METHODS OF MANUFACTURING A KNITTED COMPONENT FOR AN ARTICLE OF FOOTWEAR

专利摘要:
shoe item incorporating a tongue-knitted component. footwear items may have an upper structure that includes a knitting element and a tongue. the knitting element defines a portion of an outer surface and an opposite inner surface of the upper frame, with the inner surface defining an empty space for receiving a foot. the tongue is formed from a unitary knit construction with the knitting element and extends through a neck area of the upper structure. methods of making a knitted component for an article of footwear may include knitting a tongue. the tongue is held in the needles of a knitting machine. a first part of a knitting element is formed with the knitting machine while the tongue is held in the needles. the tongue is then joined to the first part of the knitting element. additionally, a second part of the knitting element is formed with the knitting machine.
公开号:BR112014020456B1
申请号:R112014020456-0
申请日:2013-02-19
公开日:2021-08-10
发明作者:Daren P. Tatler；Daniel A. Podhajny
申请人:Nike Innovate C.V.；
IPC主号:

专利说明:

FUNDAMENTALS
[001] Conventional footwear items generally include two primary elements, an upper frame and a sole frame. The upper frame is attached to the sole frame and forms an empty space inside the shoe to comfortably and securely receive a foot. The sole frame is attached to a lower area of the upper frame and is thus positioned between the upper frame and the floor. In athletic shoes, for example, the sole structure can include a midsole and an outer sole. The midsole often includes a polymeric foam material that attenuates ground reaction forces to reduce stresses on the foot and leg during walking, running, and other moving activities. Additionally, the midsole may include fluid-filled chambers, plates, moderators, or other elements that further attenuate forces, improve stability, or influence foot movement. The outsole attaches to a lower surface of the midsole and provides a ground-engaging portion of the outsole structure formed from a durable, wear-resistant material such as rubber. The sole structure may also include a sock lining positioned within the empty space and near a lower foot surface to enhance the comfort of the shoe.
[002] The superior structure usually extends over the inner and toe areas, along the medial and lateral sides of the foot, under the foot and around the heel area of the foot. In some footwear items, such as basketball shoes and boots, the upper frame may extend up and around the ankle to provide support or protection for the ankle. Access to the empty space within the upper structure is usually provided by an ankle opening in a heel region of the shoe. A shoelace system is often incorporated into the upper frame to adjust the fit of the upper frame, thus allowing the foot to enter and remove the void space within the upper frame. The shoelace system also allows the user to modify certain dimensions of the upper structure, particularly the width, to accommodate feet with varying dimensions. Additionally, the upper frame may include a tongue that extends under the lace system to improve the fit of the shoe, and the upper frame may incorporate a heel contour to limit heel movement.
[003] A variety of material elements (eg textiles, polymeric foam, polymeric sheets, leather, synthetic leather) are conventionally used in the fabrication of upper structure. In athletic footwear, for example, the upper structure can have multiple layers that each include a variety of joined material elements. As examples, material elements can be selected to impart stretch strength, wear resistance, flexibility, air permeability, compressibility, comfort and moisture wicking to different areas of the upper structure. In order to impart different properties to different areas of the upper structure, material elements are often cut into desired shapes and then joined, usually by stitching or adhesive joining. Furthermore, material elements are often joined in a layered configuration to print multiple properties for the same areas. As the number and type of material elements incorporated into the upper structure increases, the time and cost associated with transporting, stocking, cutting, and joining material elements can also increase. Dump material from the cutting and sewing processes also accumulates to a greater degree as the number and type of material elements incorporated into the upper structure increases. Furthermore, upper structures with a greater number of material elements may be more difficult to recycle than upper structures formed from newer types and numbers of material elements. By reducing the number of material elements used in the upper structure, therefore, dumping can be reduced while increasing the manufacturing efficiency and recyclability of the upper structure.
[004] Various configurations of an article for footwear may have an upper structure and a sole structure attached to the upper structure. The upper structure includes a knitted element and a tongue. The knitted element defines a portion of an outer surface of the upper frame and an opposite inner surface of the upper frame, with the inner surface defining an empty space for receiving a foot. The tongue is formed of a knitted construction unitary with the knitting element and extends through a throat area of the upper frame.
[005] Methods of making a knitted component for an article of footwear may include knitting a tongue with a knitting machine. The tongue is kept on the knitting machine needles. A first part of a knitted element is formed with the knitting machine while the tongue is held on the needles. The tongue is then joined to the first part of the knitted element. Additionally, a second part of the knitted element is formed with the knitting machine.
[006] Knitting methods may also include providing a knitting pattern with a modifiable field. The modifiable field is updated with data representing a first alphanumeric character. A first component with a knitting structure of the first alphanumeric character is formed. The modifiable field is updated with data representing a second alphanumeric character, the second alphanumeric character being different from the first alphanumeric character. Additionally, a second component with a knitting structure of the second alphanumeric character is formed.
[007] The advantages and novelty characteristics characterizing the aspects of the invention are highlighted with particularity in the appended claims. To gain an improved understanding of the advantages and novelty features, however, reference may be made to the following descriptive matter and attached figures which describe and illustrate various configurations and concepts relating to the invention. DESCRIPTION OF THE FIGURES
[008] The Summary above and the Detailed Description below will be better understood when read in conjunction with the attached figures.
[009] Figure 1 is a perspective view of an article of footwear;
[010] Figure 2 is a side elevation view of the item of footwear;
[011] Figure 3 is an intermediate side elevation view of the footwear article;
[012] Figures 4A to 4C are cross-sectional views of the article of footwear, as defined by sectional lines 4A-4C in figures 2 and 3;
[013] Figure 5 is a top plan view of a first knitted component that forms a part of an upper structure of the footwear article;
[014] Figure 6 is a bottom plan view of the first knitted component;
[015] Figures 7A to 7E are cross-sectional views of the first knitted component, as defined by the cut lines 7A to 7E in Figure 5;
[016] Figures 8A and 8B are plan views illustrating the knitting structures of the first knitted component;
[017] Figure 9 is a top plan view of a second knitted component that can form a part of the upper structure of the footwear article;
[018] Figure 10 is a bottom plan view of the second knitted component;
[019] Figure 11 is a schematic top plan view of the second knitted component illustrating the knitting zones;
[020] Figures 12A to 12E are cross-sectional views of the second knitted component, as defined by the sectional lines 12A to 12E in figure 9;
[021] Figures 13A to 13H are circuit diagrams of the knitting zones;
[022] Figures 14A to 14C are top plan views corresponding to Figure 5 and showing additional configurations of the first knitted component;
[023] Figure 15 is a perspective view of a knitting machine;
[024] Figures 16 to 18 are elevation views of a feeder in combination with the knitting machine;
[025] Figure 19 is an elevation view corresponding to Figure 16 and illustrating internal components of the combination feeder;
[026] Figures 20A to 20C are views in elevation corresponding to Figure 19 and illustrating the operation of the feeder in combination;
[027] Figures 21A to 21I are schematic perspective views of a knitting process using the combination feeder and a conventional feeder;
[028] Figures 22A to 22C are schematic cross-sectional views of the knitting process illustrating positions of the combination feeder and the conventional feeder;
[029] Figure 23 is a schematic perspective view illustrating another aspect of the knitting process;
[030] Figure 24 is a perspective view of another configuration of the knitting machine;
[031] Figure 25 is a top plan view of the first knitted component with a first knitted tongue;
[032] Figure 26 is a partial top plan view of the first knitted component with the first knitted tongue;
[033] Figure 27 is a cross-sectional view of the first knitted tongue, as defined by the cut line 27 in Figure 26;
[034] Figure 28 is a top plan view of the second knitted component with a second knitted tongue;
[035] Figure 29 is a partial top plan view of the second knitted component with the second knitted tongue;
[036] Figure 30 is a cross-sectional view of the second knitted tongue as defined by cut line 30 in Figure 29;
[037] Figure 31 is a top plan view of a third knitted component with a third knitted tongue;
[038] Figure 32 is a partial top plan view of the third knitted component with the third knitted tongue;
[039] Figure 33 is a cross-sectional view of the third knitted tongue as defined by section line 33 in Figure 32;
[040] Figure 34 is a top plan view of a fourth knitted component with a fourth knitted tongue;
[041] Figure 35 is a cross-sectional view of the fourth knitted component and the fourth knitted tongue as defined by section line 35 in Figure 34;
[042] Figures 36A to 36G are schematic elevation views of a knitting process for forming the first knitted component with the first knitted tongue;
[043] Figure 37 is a schematic elevation view showing an additional illustrative step of the knitting process;
[044] Figure 38 is a schematic block diagram of the knitting machine;
[045] Figures 39A to 39C are partial upper plan views corresponding to figure 26 and showing sequential variations in the first knitted tongue. DETAILED DESCRIPTION
[046] The following discussion and attached figures describe a variety of concepts relating to knitted components and the fabrication of knitted components. Although knitted components can be used in a variety of products, an article of footwear that incorporates one of the knitted components is discussed below as an example. In addition to footwear, knitted components can be used in other types of accessories (for example, shirts, pants, socks, jackets, underwear), athletic equipment (for example, golf bags, basketball and football gloves, sports structures. football restriction), containers (eg backpacks, purses) and furniture upholstery (eg chairs, sofas, car seats). Knitted components can also be used in bedding (eg sheets, blankets), tablecloths, bath towels, flags, tents, candles and parachutes. Knitted components can be used as technical textiles for industrial purposes, including structures for automotive and aerospace applications, filter materials, medical textiles (eg bandages, cotton swabs, implants), geotextiles for slope reinforcements, agrotextiles for crop protection, and industrial appliances that protect or insulate against heat and radiation. Accordingly, knitted components and other concepts described here can be incorporated into a variety of products for personal and industrial purposes. FOOTWEAR CONFIGURATION
[047] An article of footwear 100 is shown in Figures 1 to 4C as including a sole structure 110 and an upper structure 120. Although the footwear 100 is illustrated as having a general configuration suitable for running, the concepts associated with the shoes 100 can also be applied to a variety of other types of athletic shoes, including baseball shoes, basketball shoes, cycling shoes, football shoes, tennis shoes, football shoes, training shoes, hiking shoes, and climbing boots, for example. The concepts can also be applied to types of footwear that are generally considered non-athletic, including party shoes, moccasins, sandals and work boots.
[048] Accordingly, the concepts described with respect to footwear 100 apply to a wide variety of types of footwear.
[049] For reference purposes, the shoe 100 can be divided into three general regions: a forefoot region 101, a midfoot region is 102, and a heel region 103. The forefoot region Foot 101 generally includes parts of shoe 100 corresponding to the toes and joints that connect the metatarsals to the phalanges. The midfoot region 102 generally includes shoe parts 100 corresponding to an area of the arch of the foot. The heel region 103 generally corresponds to the back of the foot, including the calcaneus bone. The shoe 100 also includes a side 104 and an intermediate side 105, which extend through each of the regions 101-103 and correspond to opposite sides of the shoe 100. More particularly, the side 104 corresponds to an outer area of the foot. (ie, the surface that faces away from the other foot), and the middle side 105 corresponds to an inner area of the foot (ie, the surface that faces the other foot). Regions 101-103 and sides 104105 should not demarcate precise areas of shoe 100. Instead, regions 101-103 and sides 104-105 should represent general areas of shoe 100 to aid in the following discussion. In addition to footwear 100, regions 101-103 and sides 104-105 can also be applied to sole structure 110, upper structure 120, and individual elements.
[050] The sole frame 110 is attached to the upper 120 and extends between the foot and the floor when the shoe 100 is worn. The primary elements of the outsole structure 110 are a midsole 111, an outsole 112, and a midsole 113. The midsole 111 is secured to a lower surface of the upper structure 120 and may be formed from a midsole element. compressible polymeric foam (eg, a polyurethane or ethylvinylacetate foam) that attenuates ground reaction forces (ie, provides cushioning) when compressed between the foot and the ground during walking, running, or other moving activities. In additional configurations, midsole 111 may incorporate plates, moderators, fluid-filled chambers, durable elements, or motion control elements, which additionally attenuate forces, improve stability, or influence foot movement, or midsole 21 can basically be formed from a fluid-filled chamber. The outsole 112 is secured to a lower surface of the midsole 111 and can be formed from a wear resistant rubber material that is textured to impart traction. The sock liner 113 is located within the upper structure 120 and is positioned to extend under a lower surface of the foot to improve the comfort of the shoe 100. Although this configuration for the sole structure 110 provides an example of a sole structure that can be used in connection with the upper structure 120, a variety of other configurations, conventional or not, for the sole structure 110 may also be used. Accordingly, the characteristics of the sole structure 110 or any sole structure used with the upper structure 120 can vary considerably.
[051] The upper structure 120 defines an empty space within the shoe 100 to receive and secure a foot with respect to the sole structure 110. The empty space is shaped to accommodate the foot and extends along one side of the foot, along the along an intermediate side of the foot, across the foot, around the heel, and under the foot. Access to the void space is provided by an ankle opening 121 located in at least the heel region 103. A lace 122 extends through several lace openings 123 in the upper frame 120 and allows the user to modify the dimensions of the upper frame 120 to accommodate the proportions of the foot. More particularly, lace 122 allows the user to fasten the upper frame 120 around the foot, and the lace 122 allows the user to release the upper frame 120 to facilitate entry and removal of the foot from the void (ie, through the ankle opening 121). Additionally, the upper structure 120 includes a tongue 124 that extends under the lace 122 and lace openings 123 to improve the comfort of the footwear 100. In additional configurations, the upper structure 120 may include additional elements, such as (a) a gusset heel pad 103 which improves stability, (b) a toe guard on the forefoot 101 which is formed from a wear resistant material and (c) logos, trademarks and placards with information about the material and instructions for product care.
[052] Many conventional footwear upper structures are formed from multiple material elements (eg textiles, polymeric foam, polymeric sheets, leather, synthetic leather) that are joined by fastening or joining, for example. In contrast, a major portion of the upper structure 120 is formed from a knitted member 130, which extends through each of the regions 101-103, along both the side 104 and the intermediate side 105, through the front region. foot 101, and around heel region 103. Additionally, knitted member 130 forms portions of both an outer surface and an opposite inner surface of upper structure 120. As such, knitted member 130 defines at least a portion of the space. empty inside the top frame 120. In some configurations, the knitted member 130 may also extend under the foot. Referring to Figures 4A to 4C, however, a strobel sock 125 is secured to the knitted member 130 and an upper surface of the midsole 111, thus forming a portion of the upper structure 120 that extends under the sock lining 113. KNITTED COMPONENT CONFIGURATION
[053] The knitted component 130 is shown separate from a remainder of the shoe 100 in Figures 5 and 6. The knitted component 130 is formed from a unitary knit construction. As used herein, a knitted component (eg, knitted component 130) is defined as being formed from a "unitary knit construction" when formed as a one-piece element through a knitting process. That is, the knitting process substantially forms the various features and structures of the knitted component 130 without the need for significant additional manufacturing steps or processes. Although the parts of the knit component 130 can be joined together (e.g., edges of the knit component 130 being joined) following the knitting process, the knit component 130 remains formed in a unitary knit construction as it is formed as a one-piece knitting element. Furthermore, the knit component 130 remains formed in the unitary knit construction when other elements (e.g., shoelace 122, tongue 124, logos, trademarks, placards with care instructions and material information) are added after the knitting process. .
[054] The primary elements of the knitted component 130 are a knitted element 131 and a placed yarn 132. The knitted element 131 is formed from at least one yarn that is manipulated (e.g., with a knitting machine) to form a plurality of interlocking loops that define a variety of courses and tracks. That is, the knitted element 131 has the structure of a knitted textile. Laying yarn 132 extends through knitting element 131 and passes between the various loops within knitting element 131. Although laying yarn 132 generally extends along the courses within knitting element 131, laying yarn 132 may also extend. along bands within knitted element 131. Advantages of laid yarn 132 include providing support, stability and structure. For example, laid string 132 aids in securing the upper frame 120 around the foot, limits deformation in areas of the upper frame 120 (eg, imparts stretch resistance) and operates with respect to shoelace 122 to improve fit of footwear 100.
[055] Knitted element 131 has a generally U-shaped configuration that is contoured by a perimeter edge 133, a pair of heel edges 134, and an inner edge 135. When incorporated into the shoe 100, the perimeter edge 133 is supported. against the upper surface of the midsole 111 and is unique to the half strobel 125. The heel edges 134 are joined together and extend vertically in the region of the heel 103. In some configurations of the shoe 100, an element of material may cover a seam between heel edges 134 to reinforce seam and improve the aesthetic appearance of shoe 100. Inner edge 135 forms an ankle opening 121 and extends forward to an area where lace 122, lace openings 123, and tongue 124 are located. Additionally, the knitted element 131 has a first surface 136 and an opposing second surface 137. The first surface 136 forms a part of the outer surface of the upper structure 120, while the second surface 137 forms a part of the inner surface of the upper structure 120 , thus defining at least a portion of the empty space within the upper structure 120.
[056] Laying yarn 132, as noted above, extends through knitting element 131 and passes between the various loops within knitting element 131. More particularly, laying yarn 132 is located within knitting structure of knitting element 131, which it may have the configuration of a single textile layer in the area of placed yarn 132, and between surfaces 136 and 137, as shown in Figures 7A to 7D. When the knitted component 130 is incorporated into the shoe 100, therefore, the placed yarn 132 is located between the outer surface and the inner surface of the upper structure 120. In some configurations, portions of the placed yarn 132 may be visible or exposed in one or both surfaces 136 and 137. For example, the laid yarn 132 can rest against one of the surfaces 136 and 137, or the knitted element 131 can form notches or openings through which the laid yarn passes. An advantage of having the laid yarn 132 located between surfaces 136 and 137 is that the knitted element 131 protects the laid yarn 132 from abrasion and snagging.
[057] With reference to Figures 5 and 6, the placed yarn 132 repeatedly extends from the edge of the perimeter 133 towards the inner edge 135 and adjacent to one side of a shoelace opening 123, at least partially around the opening to shoelace 123 to an opposite side, and back to the edge of perimeter 133. When knitted member 130 is incorporated into shoe 100, knitted member 131 extends from a throat area of upper structure 120 (i.e., where the lace 122, the lace openings 123, and the tongue 124 are located) to a lower area of the upper structure 120 (i.e., where the knitted element 131 joins the sole structure 110). In this configuration, the attached wire 132 also extends from the throat area to the lower area. More particularly, the laid yarn repeatedly passes through the knitted element 131 from the neck area to the lower area.
[058] Although knitted element 131 can be formed in a variety of shapes, the courses of the knitted structure generally extend in the same direction as the laid yarn 132. That is, the courses may extend in the direction that extends between the neck area and the lower area. As such, a major portion of the placed yarn 132 extends along the courses within the knitted element 131. In areas adjacent to the lace openings 123, however, the placed yarn 132 may also extend along bands within the knitted element. 131. More particularly, sections of laid wire 132 that are parallel to inner edge 135 may extend along strips.
[059] As discussed above, laid yarn 132 passes back and forth through knitted element 131. Referring to Figures 5 and 6, laid yarn 132 also repeatedly exits knitted element 131 at perimeter edge 133 and then enters again on knitting element 131 at another location of perimeter edge 133, thus forming loops along perimeter edge 133. One advantage of this configuration is that each section of placed yarn 132 extends between the throat area and the area. The bottom can be independently tensioned, loosened, or otherwise adjusted during the footwear manufacturing process 100. That is, prior to attaching the sole frame 110 to the upper frame 120, the placed string sections 132 can be adjusted independently of tension. proper.
[060] Compared to the knitted element 131, the laid yarn 132 can exhibit a higher draw strength. That is, the laid-up yarn 132 may stretch less than the knitted element 131. Since numerous sections of the laid-up yarn 132 extend from the neck area of the upper frame 120 to the lower area of the upper frame 120, the laid-up yarn 132 imparts stretch strength to the portion of the upper frame 120 between the neck area and the lower area. Furthermore, placing tension on the lace 122 can put tension on the placed yarn 132, thus inducing the portion of the upper structure 120 between the neck area and the lower area to rest against the foot. As such, placed yarn 132 operates with respect to shoelace 122 to improve the fit of footwear 100.
[061] The knitted element 131 can incorporate several types of yarn that print different properties to separate areas of the upper structure 120. That is, an area of the knitted element 131 can be formed from a first type of yarn that prints a first set of properties, and another area of the knitted element 131 may be formed from a second type of yarn that imparts a second set of properties. In this configuration, properties can vary throughout the upper structure 120 by selecting specific yarns for different areas of knitting element 131. The properties that a particular type of yarn will impart to an area of knitting element 131 depends in part on the materials that make up the various filaments and fibers within the yarn. Cotton, for example, provides a soft feel, a natural aesthetic and is biodegradable. Elastane and stretchable polyester each provide substantial stretch and recovery, with stretched polyester also providing recyclability. Raion provides a higher shine and greater moisture absorption. Wool also provides high moisture absorption, in addition to insulating properties and biodegradability. Nylon is a durable, abrasion resistant material with relatively high strength. Polyester is a hydrophobic material that also provides relatively high durability. In addition to materials, other aspects of the yarns selected for the knitted element 131 can affect the properties of the top structure 120. For example, a yarn-forming knitted element 131 can be a monofilament yarn or a multifilament yarn. The yarn can also include separate filaments that are each formed from different materials. Additionally, the yarn can include filaments that are each formed from two or more different materials, such as a biocomponent yarn with filaments having a sheath core configuration or two halves formed from different materials. Different degrees of twist and tightening, in addition to different deniers, can also affect the properties of the top structure 120. Accordingly, both the materials forming the yarn and other aspects of the yarn can be selected to impart a variety of properties to separate areas of the structure. top 120.
[062] As with the yarns forming the knitted element 131, the configuration of the laid yarn 132 can also vary significantly. In addition to yarn, laid yarn 132 may have the configurations of a filament (eg, a monofilament), strand, rope, wire mesh, or chain, for example. Compared to the yarns forming the knitted element 131, the thickness of the laid yarn 132 may be greater. In some configurations, the laid yarn 132 may have a significantly greater thickness than the yarns of the knitted element 131. Although the cross-sectional shape of the laid yarn 132 may be round, triangular, square, rectangular, elliptical, or irregular shapes, it can also be used . Furthermore, the materials forming the placed yarn 132 can include any of the materials for the yarn within the knitted element 131, such as cotton, spandex, polyester, rayon, wool, and nylon. As noted above, laid yarn 132 can exhibit greater draw strength than knitted element 131. As such, materials suitable for laid yarn 132 can include a variety of worked filaments that are used for high tensile strength applications, including glass, aramids (eg para-aramids and meta-aramids), ultra high molecular weight polyethylene and liquid crystal polymer. As another example, a braided polyester yarn can also be used as laid yarn 132.
[063] An example of a suitable configuration for a knitted component part 130 is shown in Figure 8A. In this configuration, knitted element 131 includes a yarn 138 that forms a plurality of interlocking loops defining multiple horizontal courses and vertical bands. The placed wire 132 extends along one of the courses and alternates between being located (a) behind the loops formed from the wire 136 and (b) in front of the loops formed from the wire 138. weaves through the structure formed by knitted element 131. Although yarn 138 forms each of the courses in this configuration, additional yarns may form one or more of the courses or may form a part of one or more of the courses.
[064] Another example of a suitable configuration for a knitted component part 130 is shown in Figure 8B. In this configuration, knitted element 131 includes yarn 138 and another yarn 139. Yarns 138 and 139 are coated and cooperatively form a plurality of interlocking loops defining multiple horizontal courses and vertical bands. That is, wires 138 and 139 run parallel to each other. As with the configuration of Figure 8A, placed wire 132 extends along one of the courses and alternates between being located (a) behind loops formed from wires 138 and 139 and (b) in front of loops formed from yarns 138 and 139. An advantage of this configuration is that the properties of each of yarns 138 and 139 may be present in that area of knitted component 130. For example, yarns 138 and 139 may have different colors, with the color of yarn 138 being basically present on one face of the various stitches on knitting element 131 and the color of yarn 139 being basically present on an inverse portion of the various stitches on knitting element 131. As another example, yarn 139 may be formed from a yarn that is softer and more comfortable against the foot than yarn 138, with yarn 138 being basically present on first surface 136 and yarn 139 being basically present on second surface 137.
[065] Continuing with the configuration of Figure 8B, yarn 138 can be formed from at least a thermosetting polymeric material and natural fibers (e.g., cotton, wool, silk), while yarn 139 can be formed from a thermoplastic polymeric material. In general, a thermoplastic polymeric material melts when heated and returns to a solid state when cooled. More particularly, the thermoplastic polymeric material transitions from a solid state to a softened or liquid state when subjected to sufficient heat, and then the thermoplastic polymeric material transitions from a softened or liquid state to a solid state when sufficiently cooled. As such, thermoplastic polymeric materials are often used to join two objects or elements. In that case, the wire 139 can be used to join (a) one part of the wire 138 to another part of the wire 138, (b) the wire 138 and the placed wire 132 together, or (c) another element (e.g. , logos, trademarks, and placards with care instructions and material information) to the knit component 130, for example. As such, yarn 13 can be considered a fusible yarn as it can be used to fuse or otherwise join parts of knitted component 30 together. is formed from materials that are generally capable of fusing or otherwise joining parts of the knitted component 130 together. That is, yarn 138 can be a non-fusible yarn, while yarn 139 can be a fusible yarn. In some configurations of knitted component 130, yarn 138 (i.e., non-fusible yarn) may be substantially formed from a thermosetting polyester material, and yarn 139 (i.e., fusible yarn) may be at least. at least partially formed from a thermoplastic polyester material.
[066] The use of coated yarns can impart advantages to the knitted component 130. When yarn 139 is heated and fused to yarn 138 and yarn placed 132, this process can have the effect of strengthening or stiffening the structure of knitted component 130. Furthermore, the joining (a) of one portion of strand 138 to another portion of strand 138 or (b) strand 138 and placed strand 132 together has the effect of locking or locking the relative positions of strand 138 and strand placed 132, thus imparting stretch strength and stiffness. That is, the portions of yarn 138 may not slide relative to one another when fused with yarn 139, thus preventing warping or permanent stretching of knitted element 131 due to relative movement of the knitted structure. Another benefit relates to the unwind limitation if a portion of the knitted component 130 becomes damaged or one of the yarns 138 is cut. In addition, the placed yarn 132 may not slip relative to the knitted element 131, thus preventing the portions of the placed yarn 132 from pulling out from the knitted element 131. Accordingly, the areas of the knitted component 130 may benefit the use of both fusible and non-fusible yarns within knitted element 131.
[067] Another aspect of knitted component 130 relates to a quilted area adjacent to ankle opening 121 and extending at least partially around ankle opening 121. Referring to Figure 7E, the quilted area is formed by two overlapping layers and at least partially coextensive knitted layers 140, which may be formed from a unitary knitted construction, and a plurality of floating yarns 141 extending between the knitted layers 140. Although the sides or edges of the knitted layers 140 are secured to each other, a central area is usually unfixed. As such, the knitted layers 140 effectively form a tube or tubular structure, and floating yarns 141 can be located between the knitted layers 140 to pass through the tubular structure. That is, the float yarns 141 extend between the knitted layers 140, and are generally parallel to the surfaces of the knitted layers 140, and also pass through and fill an internal volume between the knitted layers 140. Knitted element 131 is formed from yarns that are mechanically manipulated to form interlocking loops, the floating yarns 141 are generally free or otherwise placed within an inner volume between knitted layers 140. As a further matter, knitted layers 140 they can be at least partially formed from a stretched yarn. An advantage of this configuration is that the knitted layers will effectively compress the floating yarns 141 and provide an elastic appearance to the padded area adjacent to the ankle opening 121. That is, the yarn stretched within the knitted layers 140 can be placed in tension during the knitting process. knitting that forms the knitted component 130, thereby inducing the knitted layers 140 to compress the floating yarns 141. Although the degree of draw in the drawn yarn can vary significantly, the stretched yarn can stretch at least 100% in many configurations of knitted component 130.
[068] The presence of floating strands 141 imparts a compressible appearance to the padded area adjacent to the ankle opening 121, thus improving the comfort of the footwear 100 in the area of the ankle opening 121. Many conventional articles of footwear incorporate polymeric foam elements or other compressible materials to areas adjacent to an ankle opening. In contrast to conventional footwear items, knitted component portions 130 formed of a unitary knit construction with a knitted component remainder 130 can form the padded area adjacent to the ankle opening 121. In additional configurations of the footwear 100, similar padded areas can form the padded area adjacent to the ankle opening 121. be located in other areas of the knitted component 130. For example, similar padded areas can be located as a corresponding area with junctures between the metatarsals and proximal phalanges to impart padding to the joints. As an alternative, a Terry loop frame can also be used to impart some degree of padding to areas of the top frame 120.
[069] Based on the above discussion, the knitted component 130 imparts a variety of features to the top structure 120. In addition, the knitted component 130 provides a variety of advantages over some conventional top structure configurations. As noted above, conventional footwear upper structures are formed from elements of multiple materials (eg textiles, polymeric foam, polymeric sheets, leather, synthetic leather) that are joined by stitching or joining, for example. As the number and type of material elements incorporated into an upper structure increases, the time and cost associated with transporting, storing, cutting and joining the material elements can also increase. Dump material from the cutting and sewing processes also accumulates to a higher point as the number and type of material elements incorporated into the upper structure increase. Furthermore, overhead structures with a greater number of material elements may be more difficult to recycle than overhead structures formed from fewer types and numbers of material elements. By reducing the number of material elements used in the upper structure, therefore, dumping can be reduced while increasing the manufacturing efficiency and recyclability of the upper structure. To that end, the knitted component 130 forms a substantial part of the upper structure 120, while increasing manufacturing efficiency, reducing dumping, and simplifying recyclability. ADDITIONAL KNITTED COMPONENT SETTINGS
[070] A knitted component 150 is shown in Figures 9 and 10 and can be used in place of the knitted component 130 in the shoe 100. The primary elements of the knitted component 150 are a knitted element 151 and a placed yarn 152. The knitted element 151 is formed from at least one yarn that is manipulated (e.g., with a knitting machine) to form a plurality of interlocking loops that define a variety of courses and bands. That is, the knitted element 151 has the structure of a knitted textile. The placed yarn 152 extends through the knitting element 151 and passes between the various loops within the knitting element 141. Although the placed yarn 152 generally extends along the courses within the knitting element 151, the placed yarn 152 may also extend. along bands within the knitted element 151. As with the placed yarn 132, the placed yarn 152 imparts resistance to stretch and, when incorporated into the shoe 100, operates with respect to the lace 122 to improve the fit of the shoe 100.
[071] Knitted element 151 has a generally U-shaped configuration that is highlighted by a perimeter edge 153, a pair of heel edges 154, and an inner edge 155. Additionally, knitted element 151 has a first surface 156 and a second opposing surface 157. The first surface 156 may form a portion of the outer surface of the upper structure 120, thus defining at least a portion of the void within the upper structure 120. In many configurations, the knitted element 141 may have the configuration of a single textile layer in the area of laid yarn 152. That is, knitted element 151 may be a single textile layer between surfaces 156 and 157. Additionally, knitted element 151 defines a plurality of shoelace openings 158.
[072] Similar to the laid yarn 132, the laid yarn 152 repeatedly extends from the perimeter edge 153 toward the inner edge 155, at least partially around one of the shoelace openings 158, and back to the perimeter edge 153 In contrast to the placed yarn 132, however, some portions of the placed yarn 152 angled backwards and extend to the heel edges 154. More particularly, the portions of the placed yarn 152 associated with the rearmost shoelace openings 158 se extend from one of the heel edges 154 toward the inner edge 155, at least partially around one of the rearmost shoelace openings 158, and back to one of the heel edges 154. Additionally, some portions of the placed yarn 152 does not extend around one of the shoelace openings 158. More particularly, some sections of the laid yarn 152 extends toward the inner edge 155, turning inward the adjacent areas to a one of the lace openings 158, and extend back toward the perimeter edge 153 or one of the heel edges 154.
[073] Although the knitted element 151 can be formed in a variety of shapes, the courses of the knitted structure generally extend in the same direction as the laid yarn 152. In areas adjacent to the shoelace openings 158, however, the laid yarn 152 may also extend along bands within the knitted element 151. More particularly, sections of laid yarn 152 that are parallel to inner edge 155 may extend along the bands.
[074] Compared to the knitted element 151, the laid yarn 152 can exhibit greater stretch strength. That is, the placed yarn 152 may stretch less than the knitted element 151. Since numerous sections of the placed yarn 152 extend through the knitted element 151, the placed yarn 152 can impart stretch resistance to the portions of the upper structure 120 between the neck area and the lower area. Furthermore, the placement of tension on the lace 22 can tension the placed yarn 152, thus inducing the parts of the upper structure 120 between the neck area and the lower area to rest against the foot. Additionally, since numerous sections of the laid-up string 152 extend toward the heel edges 154, the laid-up string 152 can impart stretch resistance to the upper frame portions 120 in the heel 103 region. may include the upper frame portions 120 in the heel region 103 bearing against the foot. As such, placed string 152 operates with respect to shoelace 122 to improve the fit of footwear 100.
[075] Knitting element 151 may incorporate any of the various types of yarn discussed above for knitting element 131. Laying yarn 152 may also be formed from any of the configurations and materials discussed above for laying yarn 132. Additionally , the various knitted configurations discussed in connection with Figures 8A and 8B may also be used in the knit component 150. More particularly, the knitted element 151 may have areas formed from a single yarn, two coated yarns, or one meltable yarn and one non-fusible yarn, with the fusible yarn joining (a) one part of the non-fusible yarn to another part of the non-fusible yarn or (b) the non-fusible yarn and the yarn placed 152 together.
[076] A major portion of knitted element 131 is shown as being formed from a relatively untextured textile and a common or unique knitted structure (eg a tubular knitted structure). In contrast, knitted element 151 incorporates various knitted structures that impart specific properties and advantages to different areas of knitted component 150. Furthermore, by combining various types of yarn with knitted structures, knitted component 150 can impart a range of knitting properties. different areas of the upper structure 120. Referring to Figure 11, a schematic view of the knitted component 150 shows a number of zones 160-169 having different knitted structures, each of which will now be discussed in detail. For reference purposes, each of regions 101-103 and sides 104 and 105 is illustrated in Figure 11 to provide a reference to the locations of knitted zones 160-169 when knitted component 150 is incorporated into footwear 100.
[077] A tubular knitted zone 160 extends along a major portion of the perimeter edge 153 and through each of regions 101-103 on both sides 104 and 105. The tubular knitted zone 160 also extends inward from of each of sides 104 and 106 in an area approximately located at an interface region 102 and 102 to form an inner edge advancing portion 155. The tubular knitted zone 160 forms a relatively non-textured knitted configuration. With reference to Figure 12A, a cross section through an area of the tubular knitted zone 160 is shown, and surfaces 156 and 157 are substantially parallel to one another. The tubular knitted zone 160 imparts several advantages to the shoe 100. For example, the tubular knitted zone 160 has greater durability and wear resistance than some other knitted structures, especially when the yarn in the tubular knitted zone 160 is coated with a fusible yarn. . Additionally, the relatively untextured appearance of the tubular knitted zone 160 simplifies the process of joining half strobel 125 to the perimeter edge 153. That is, the portion of the tubular knitted zone 160 located along the perimeter edge 153 facilitates the long-lasting process of the footwear 100. For reference purposes, Figure 13A presents a circuit diagram of the way in which the tubular knitted zone 160 is formed with a knitting process.
[078] Two stretched knitted zones 161 extend inward from the perimeter edge 153 and are located to match a joint location between the metatarsals and the proximal speakers of the foot. That is, the stretch zones extend inward from the perimeter edge in the area approximately located in the interface regions 101 and 102. As with the tubular knitted zone 160, the knitted configuration in the stretched knitting zones 161 may be a knitted zone tubular. In contrast to the tubular knitted area 160, however, the stretched knitted areas 161 are formed from a stretched yarn which imparts the stretch and recovery properties to the knitted component 150. Although the degree of draw in the stretched yarn can vary from Significantly, the stretched yarn can stretch at least 100% in many configurations of knitted component 150.
[079] A tubular knit and interlock zone 162 extends along a portion of the inner edge 155 in at least an intermediate region of the foot 102. The tubular knit and interlock zone 162 also forms a relatively untextured, but relatively knitted configuration. it has a greater thickness than the tubular knitted zone 160. In cross section, the tubular and interlocking knitted zone 162 is similar to Figure 12A, where the surfaces 156 and 157 are substantially parallel to each other. The tubular and interlocking knitted zone 162 imparts several advantages to the shoe 100. For example, the tubular and interlocking knitted zone 162 has greater stretch strength than some other knitted structures, which is beneficial when the shoelace 122 places the knitted zone tubular and interlock 162 and the wires placed 152 in tension. For reference purposes, Figure 13B presents a circuit diagram of the way in which the tubular or interlocking knitted zone 162 is formed with a knitting process.
[080] A 1x1 weaving knitting zone 163 is located in the forefoot region 101 and spaced inward from the perimeter edge 153. The 1x1 weaving knitting zone has a C-shaped configuration and forms a plurality of openings that extend through the knitted element 151 and from the first surface 156 to the second surface 157, as shown in Figure 12B. The openings improve the permeability of the knitted component 150, which allows air to enter the upper structure 120 and moisture to escape from the upper structure 120. For reference purposes, Figure 13C presents a circuit diagram of the way in which the knitted zone of 1x1 interlacing 163 is formed with a knitting process.
[081] A 2x2 braided knitted zone 164 extends adjacent to the 1x1 163 braided knitted zone. Compared to the 1x1 163 braided knitted zone, the 2x2 164 braided knitted zone forms larger openings, which can further improve the permeability of the component knitting 150. For reference purposes, Fig. 13D is a circuit diagram of the way in which the 2x2 interlocking knitted zone 164 is formed with a knitting process.
[082] A 3x2 interlocking knitted zone is located within the 2x2 interlocking knitted zone 164, and another 2x2 interlocking knitted zone 165 is located adjacent to one of the stretched zones 161. Compared to the 1x1 163 interlocking knitted zone and the interlocking knitted zone 2x2 164, the 3x2 interlaced knitted zone 165 forms even larger openings, which can further improve the permeability of the knitted component 150. For reference purposes, Figure 13E presents a circuit diagram of the way in which the 3x2 interlaced knitted zone 165 is formed with a knitting process.
[083] A mock 1x1 lattice knitted zone 166 is located in the forefoot region 101 and extends around the 1x1 lattice knitted zone 163. In contrast to the lattice knitted zones 163-165, which form openings through the knitting element 151 , the 1x11 mock weaving knitted zone 166 forms notches in the first surface 156, as shown in Figure 12C. In addition to improving the aesthetics of the shoe 100, the mock 1x1 woven knitted zone 166 can improve flexibility and reduce the overall mass of the knitted component 150. For reference purposes, Figure 13F presents a circuit diagram of the shape in which the zone knitted lattice mock 1x1 166 is formed with a knitting process.
[084] Two 2x2 lattice knitted zones 167 are located in the heel region 103 and adjacent to the heel edges 154. Compared to the mock 1x1 lattice knitted zone 166, the 2x2 mock braid knitted zones 167 form larger notches on the first surface 156 In areas where the placed yarn 152 extends through the notches in the mock 2x2 woven knit zones 167, as shown in Figure 12D, the placed yarn 152 may be visible and exposed in a lower area of the notches. For reference purposes, Figure 13G presents a circuit diagram of the way in which the mock 2x2 lattice knitted zones 167 are formed with a knitting process.
[085] Two 2x2 168 hybrid knitted zones are located in the middle region of foot 102 and to the front of the 2x2 mock knitted zones 167. The 2x2 168 hybrid knitted zones share features of the 2x2 164 knitted zone and 2x2 167 mock braided zones. More particularly, the 2x2 hybrid knitted zones 168 form openings having the size and configuration of the 2x2 woven knitted zone 164, and the 2x2 168 hybrid knitted zones form notches having the size and configuration of the 2x2 167 mock braided knitted zones. Laying yarn 152 extends through notches in the 2x2 hybrid knitted zones 168, as shown in Figure 12E, Laying yarn 152 are visible and exposed. For reference purposes, Figure 13H presents a circuit diagram of the way in which the 2x2 168 hybrid knitted zones are formed with a knitting process.
[086] The knitted component 150 also includes two quilted zones 169 having the general configuration of the quilted area adjacent to the ankle opening 121 and extending at least partially around the ankle opening 121, which was discussed above for the knitted component 130. As such, the quilted zones 169 are formed of two overlapping and at least partially coextensive knitted layers that may be formed from the unitary knit construction, and a plurality of floating yarns extending between the knitted layers.
[087] A comparison between Figures 9 and 10 reveals that most of the texturing in the knitted element 151 is located on the first surface 156, rather than the second surface 157. That is, the notches formed by the mock woven knit zones 166 and 167, in addition to the notches in the 2x2 hybrid knitted zones 168, are formed on the first surface 156. This configuration has an advantage of improving the comfort of the footwear 100. More particularly, this configuration places the relatively untextured configuration of the second surface 157 against the feet. A further comparison between Figures 9 and 10 reveals that the portions of laid wire 152 are exposed on the first surface 156, but not on the second surface 157. This configuration also has an advantage of improving the comfort of the footwear 100. More particularly, by spacing of the laid yarn 152 of the foot by a part of the knitting element 151, the laid yarn 152 does not come into contact with the foot.
[088] Additional configurations of knitted component 130 are shown in figures 14A to 14C. Although discussed in connection with knitted component 130, the concepts associated with each of these configurations can also be used with knitted component 150. Referring to Fig. 14A, placed yarns 132 are absent from knitted component 130. 132 impart stretch strength to areas of knitted component 130, some configurations may not require the draw strength of placed yarn 132. In addition, some configurations may benefit from greater stretch in the upper structure 120. Referring to Figure 14B, the element Knitted 131 includes two flaps 142 that are formed from the unitary knit construction with a remainder of knitted element 131 and extending along the length of knitted component 130 at perimeter edge 133. When incorporated into footwear 100, flaps 142 may replace half strobel 125. That is, tabs 142 can form cooperatively from a part of the upper structure 120 which extends under the sock lining 113 and is secured to the upper surface of the midsole 111. Referring to Fig. 14C, the knitted member 130 has a configuration that is limited to the midfoot region 102. In this configuration , other material elements (e.g. textiles, polymeric foam, polymeric sheets, leather, synthetic leather) can be joined to the knitted component 130 by stitching or joining, for example, to form the upper structure 120.
[089] Based on the above discussion, each of the knitted components 130 and 150 can have various configurations that impart characteristics and advantages to the upper structure 120. More particularly, the knitted elements 131 and 151 can incorporate various knitted structures and yarn types that impart specific properties to different areas of the upper structure 20, and placed yarns 132 and 152 can extend through the knitted structures to impart stretch strength to areas of the upper structure 120 and operate with respect to the lace 122 to improve the fit of the shoe 100. KNITTING MACHINE AND FEEDER CONFIGURATIONS
[090] Although knitting can be performed manually, the commercial fabrication of knitted components is usually performed by knitting machines. An example of a knitting machine 200 that is suitable for producing either of the knitted components 130 and 150 is shown in Figure 15. The knitting machine 200 has a V-bed flat knitting machine configuration for the purposes of the example, but any of knitted components 130 and 150 or aspects of knitted components 130 and 150 can be produced on other types of knitting machines.
[091] The knitting machine 200 includes two needle beds 201 that are angled with respect to each other, thus forming a V-shaped bed. Each of the needle beds 201 includes a plurality of individual needles 202 that are layered on a common plane. That is, the needles 202 of one bed of needles 201 are placed in a foreground, and the needles 202 of the other bed of needles 201 are placed in a background. The foreground and the background (that is, the two needle beds 201) are angled with respect to each other and meet to form an intersection that extends over a greater portion of a width of the knitting machine 200. As described in greater detail below, the needles 202 each have a first position where they are retracted and a second position where they are extended. In the first position, the needles 202 are spaced apart from the intersection where the foreground and the background meet. In the second position, however, the needles 202 pass through the intersection where the foreground and the background meet.
[092] A pair of rails 203 extend above and parallel with the intersection of the needle beds 201 and provide attachment points for multiple standard feeders 204 and combined feeders 220. Each rail 203 has two sides, each of which accommodates a standard feeder 204 or a combined feeder 220. As such, the knitting machine 200 can include a total of four feeders 204 and 220. As shown, the front most rail 203 includes a combined feeder 220 and a standard feeder 204 on opposite sides, and the rearmost rail 203 includes two standard feeders 204 on opposite sides. Although two rails 203 are shown, additional configurations of the knitting machine 200 may incorporate additional rails 203 to provide attachment points for more feeders 204 and 220.
[093] Due to the action of a cart 205, feeders 204 and 220 move along the rails 203 and needle beds 201, thereby supplying the threads for the needles 202. In figure 15, a thread 206 is provided for the combined feeder 220 by a spool 207. More particularly, yarn 206 extends from spool 207 to several yarn guides 208, a yarn retraction spring 209, and yarn tensioner 210 before entering combined feeder 220. of not shown, additional 207 spools can be used to supply wire to 204 feeders.
[094] Standard 204 feeders are conventionally used for a flat V-bed knitting machine, such as a knitting machine 200. That is, existing knitting machines incorporate standard 204 feeders. the ability to supply a yarn that the needles 202 manipulate to knit, lay, and float. As a comparison, combined feeder 220 has the ability to supply a yarn (eg yarn 206) that needles 202 knit, lay, and float, and combined feeder 220 has the ability to place yarn. In addition, the combined feeder 220 has the ability to place a variety of different wires (eg, filament, wire, rope, screen, cable, chain, or wire). Accordingly, the combined feeder 220 exhibits greater versatility than each standard feeder 204.
[095] As noted above, the combined feeder 220 can be used when placing a yarn or other yarn, in addition to knitting, hiding, and flotation of the yarn. Conventional knitting machines, which do not incorporate the 220 combi feeder, can also lay a yarn. More particularly, conventional knitting machines that are provided with a lay feeder can also lay a yarn. A conventional placement feeder for a V-bed flat knitting machine includes two components that operate in conjunction with the yarn placement. Each of the placement feeder components is attached to separate attachment points on two adjacent rails, thus occupying two attachment points. Whereas an individual standard feeder 204 occupies only one anchor point, two anchor points are generally occupied when a placement feeder is used to place a yarn into a knitted component. Furthermore, whereas the combined feeder 220 takes up only one spinning point, a conventional placement feeder takes up two fixing points.
[096] Since the knitting machine 200 includes two rails 203, four attachment points are available on the knitting machine 200. If a conventional lay feeder is used with the knitting machine 200, only two attachment points would be available for the standard feeders 204. When using the combination feeder 220 on the knitting machine 200, however, three attachment points are available for the standard feeders 204. Accordingly, the combination feeder 220 can be used when laying a yarn or other wire, and the combination feeder 220 has an advantage of occupying only one attachment point.
[097] Combination feeder 220 is shown individually in figures 16 to 19 as including a carrier 230, feeder arm 240, and a pair of drive elements 250. From metallic materials (eg, steel, aluminum, titanium), parts of the carrier 230, the feeder arm 240, and the drive elements 250 can be formed from polymer, ceramic, or composite materials, for example. As discussed above, the combined feeder 220 can be used when laying a yarn or other yarn, in addition to knitting, laying, and floating a yarn. Referring to Figure 16 specifically, a portion of wire 206 is shown to illustrate the manner in which a wire interfaces with combined feeder 220.
[098] Carrier 230 has a generally rectangular configuration and includes a first cover element 231 and a second cover element 232 that are joined by four screws 233. Cover elements 231 and 232 define an internal cavity in which the parts of the feeder arm 240 and drive elements 250 are located. Carrier 230 also includes a fastener 234 that extends outwardly from the first cover element 231 to secure the feeder 220 to one of the rails 203. Although the configuration of the fastener 234 may vary, the fastener element 234 is shown to include two spaced projected areas that form a dovetail shape, as shown in Figure 17. An inverted dovetail shape configuration on one of the rails 203 may extend into the dovetail shape of the fastening element 234 for effectively joining the combined feeder 220 to the knitting machine 200. It should be noted that the second covering element 234 forms an elongated and centrally located partition 235, as shown in Figure 18.
[099] Feeder arm 240 has a generally elongated configuration that extends through carrier 230 (ie, the cavity between cover elements 231 and 232) and outward from an underside of carrier 230. other elements, feeder arm 240 includes a drive screw 241, a spring 242, a pulley 243, a handle 244, and a distribution area 245. Drive screw 241 extends outwardly from the feeder arm 240 and is located within the cavity between the cover elements 231 and 232. One side of the drive screw 241 is also located within the partition 235 in the second cover element 232, as shown in Figure 18. The spring 242 is secured to the carrier 230 and to the feeder arm 240. More particularly, one end of spring 242 is secured to carrier 230, and an opposite end of spring 242 is secured to feeder arm 240. Sheave 243, handle 244 and dispensing area 245 are present on the feeder arm 240 for interfacing with wire 206 or other wire. In addition, pulley 243, circuit 244, and distribution area 245 are configured to ensure that yarn 206 or other yarn passes smoothly through combined feeder 220, thus being reliably supplied to needles 202. Referring again to Figure 16, wire 206 extends around pulley 243, through loop 244, and into dispensing area 245. Additionally, wire 206 extends outward from dispensing tip 246, which is a end region of the feeder arm 240, to then supply the needles 202.
[0100] Each of the drive elements 250 includes an arm 251 and a plate 252. In many configurations of the drive elements 250, each arm 251 is formed as a one-piece element with one of the plates 252. 251 are located outside carrier 230 and on an upper side of carrier 230, plates 252 are located inside carrier 250. Each of arms 251 has an elongated configuration defining an outer end 253 and an opposite inner end 254, and the arms 251 are positioned to define a space 255 between both inner ends 254. That is, arms 251 are spaced apart from each other. The 252 boards have a generally flat configuration. Referring to Figure 19, each of the plates 252 defines an opening 256 with a sloping edge 257. In addition, drive screw 241 of feeder arm 240 extends into each opening 256.
[0101] The configuration of the combined feeder 220 discussed above provides a structure that facilitates a translational movement of the feeder arm 240. As discussed in greater detail below, the transfer movement of the feeder arm 240 selectively positions the dispensing tip. 246 at a location that is above or below the intersection of the needle beds 201. That is, the dispensing tip 246 has the ability to alternate across the intersection of the needle beds 201. One advantage of the feeder arm's translational movement 240 is that the combined feeder 220 (a) supplies the yarn 206 for knitting, embedding and floating when the dispensing tip 246 is positioned above the intersection of the needle beds 201 and (b) supplies the yarn 206 or other yarn for placement when the tip manifold 256 is positioned below the intersection of the needle beds 201. In addition, the feeder arm 240 alternates between the two positions depending on the form in which the feeder of 220 combo is being used.
[0102] On alternation across the intersection of the needle beds 201, the feeder arm 240 translates from a retracted position to an extended position. When in the retracted position, dispensing tip 246 is positioned above the intersection of needle beds 201. When in the extended position, dispensing tip 246 is positioned below the intersection of needle beds 201. Dispensing tip 246 is closer. of carrier 230 when feeder arm 240 is in the retracted position than when feeder arm 240 is in the extended position. Similarly, dispensing tip 246 is further away from carrier 230 when feeder arm 240 is in the extended position than when feeder arm 240 is in the retracted position. In other words, dispensing tip 246 moves away from carrier 230 when in the extended position, and dispensing tip 246 moves closer to carrier 230 when in the retracted position.
[0103] For reference purposes in Figures 16 to 20C, in addition to additional figures discussed later, an arrow 221 is positioned adjacent to distribution area 245. When arrow 221 points up or in the direction of carrier 230, the feeder arm 240 is in the stowed position. When arrow 221 points down or away from carrier 230, feeder arm 240 is in the extended position. Accordingly, by reference to the position of arrow 221, the position of feeder arm 240 can be readily determined.
[0104] The natural state of feeder arm 240 is the stowed position. That is, when no significant force is applied to the areas of the combined feed 220, the feed arm remains in the stowed position. With reference to Figures 16 to 19, for example, no forces or other influences are illustrated as interacting with the combined feeder 220, and the feeder arm 240 is in the retracted position. The translational movement of the feeder arm 240 can occur, however, when sufficient force is applied to one of the arms 251. More particularly, the translational movement of the feeder arm 240 occurs when a sufficient force is applied to one of the outer ends 253. and is directed into space 255. With reference to Figures 20A and 20B, a force 222 acts on one of the outer ends 253 and is directed into space 255, and the feeder arm 240 is illustrated as having translated into the extended position. Upon removal of force 222, however, feeder arm 240 will return to the stowed position. It should be noted that figure 20C shows force 222 as acting on inner ends 254 and being directed outward, and feeder arm 240 remains in the retracted position.
[0105] As discussed above, feeders 204 and 220 move along rails 203 and needle beds 201 due to the action of carriage 205. More particularly, a drive screw within carriage 205 contacts feeders 204 and 220 to push feeders 204 and 220 along the needle beds 201. With respect to the combined feeder 220, the drive screw may contact one of the outer ends 253 or one of the inner ends 254 to push the combination feeder 220 along the beds 201. When the drive screw contacts one of the outer ends 253, the feeder arm 240 translates to the extended position and the dispensing tip 246 passes below the intersection of the needle beds 201. When the drive screw contacts one of the inner ends 254 and is located within the space 255, the feeder arm 240 remains in the retracted position and the dispensing tip 246 is It is above the intersection of the needle beds 201. Accordingly, the area where the trolley 205 contacts the combination feeder 220 determines whether the feeder arm 240 is in the retracted position or the expanded position.
[0106] The mechanical action of the combined feeder 220 will now be discussed. Figures 18 to 20B show the combined feeder 220 with the first covering element 231 removed, thereby exposing the elements within the cavity in the carrier 230. By comparing Figure 19 with Figures 20A and 20B, the form in which the force 222 induces feeder arm 240 to translate may be apparent. When force 222 acts on one of the outer ends 253, one of the drive elements 250 slides in a direction that is perpendicular to the length of the feeder arm 240. That is, one of the drive elements 250 slides horizontally in figures 19 to 20B. Movement of one of the drive elements 250 causes the drive screw 241 to engage one of the sloping edges 257. Since the movement of the drive elements 250 is restricted to the direction that is perpendicular to the length of the feeder arm 240, the drive 241 rolls or slides against sloping edge 257 and causes feeder arm 240 to translate to the extended position. Upon removal of force 222, spring 242 pulls feeder arm 240 from the extended position to the vertical position.
[0107] Based on the above discussion, the combined feeder 220 alternates between the stowed position and the extended position depending on whether one yarn or the other is being used for knitting, inlaying or floating or being used for placement. Combined feeder 220 has a configuration in which the application of force 222 causes feeder arm 240 to translate from the stowed position to the extended position, and removal of force 222 causes feeder arm 240 to translate from the extended position to the stowed position. That is, the combined feeder 220 has a configuration in which the application and removal of force 222 causes the feeder arm 240 to alternate between opposite sides of the needle beds 201. In general, the outer ends 253 can be considered drive areas , which induces movement in feeder arm 240. In additional configurations of the combined feeder 220, the trigger areas may be in other locations or may respond to other stimuli to induce movement in the feeder arm 240. For example, the trigger areas may be electrical inputs coupled to servomechanisms that control the movement of the feeder arm 240. Accordingly, the combined feeder 220 may have a variety of structures that operate in the same general way as the configuration discussed above. KNITTING PROCESS
[0108] The manner in which the knitting machine 200 operates to manufacture a knitted component will now be discussed in detail. In addition, the following discussion will demonstrate the operation of the combined feeder 220 during a knitting process. With reference to Figures 21A, a part of the knitting machine 200 which includes a plurality of needles 202, the rail 203, the pattern feeder 204 and the combined feeder 220 is shown. While combined feeder 220 is attached to a front side of rail 203, standard feeder 204 is attached to a rear side of rail 203. Wire 206 passes through combined feeder 220, and one end of wire 206 extends to out from dispensing tip 246. Although wire 206 is shown, any other wire (e.g., filament, wire, rope, screen, cable, chain) may pass through combined feeder 220. Another wire 211 passes through pattern feeder 204 and forms a part of a knitted component 260, and yarn loops 211 forming an uppermost stroke on the knitted component 260 are held by hooks located at the ends of the needles 202.
[0109] The knitting process discussed here refers to forming a knitted component 260, which can be any knitted component, including knitted components that are similar to knitted components 130 and 150. For purposes of discussion, only a relatively small section of the knitted component 260 is illustrated in the figures to allow the knitted structure to be illustrated. Furthermore, the scale or proportions of the various elements of the knitting machine 200 and the knitted component 260 can be improved to better illustrate the knitting process.
[0110] The standard feeder 204 includes a feeder arm 212 with a dispensing tip 213. The feeder arm 212 is angled to position the dispensing tip 213 at a location that is (a) centered between the needles 202 and (b) above of an intersection of the needle beds 201. Figure 22A presents a schematic cross-sectional view of this configuration. Note that the needles 202 are placed on different planes, which are angled with respect to each other. That is, the needles 202 form needle beds 201 placed on different planes. The needles 202 each have a first position and a second position. In the first position, which is illustrated by solid line, the needles 202 are retracted. In the second position, which is illustrated by dashed lines, needles 202 are extended. In the first position, the needles 202 are spaced apart from the intersection where the planes on which the needle beds 201 meet. In the second position, however, the needles 202 are extended and pass through the intersection where the planes on which the needle beds 201 meet. That is, the needles 202 cross each other when extended to the second position. It should be noted that the distribution tip 213 is located above the intersection of the planes. In this position, the dispensing tip 213 supplies the yarn 211 to the needles 202 for knitting, embedding and floating purposes.
[0111] Combined feeder 220 is in the stowed position, as evidenced by the direction of arrow 221. Feeder arm 240 extends down from carrier 230 to position dispensing tip 246 in a location that is (a) centered between needles 202 and (b) above the intersection of needle beds 201. Figure 22B shows a schematic cross-sectional view of this configuration. Note that dispensing tip 246 is positioned in the same relative location as dispensing tip 213 in Fig. 22A.
[0112] Referring now to Figure 21B, the pattern feeder 204 moves along the rail 203 and a new course is formed in the knitted component 260 from the yarn 211. More particularly, the needles 202 pull sections of the yarn 211 through the loops. of the previous course, thus forming the new course. Accordingly, strokes can be added to knitted component 260 by moving pattern feeder 204 along needles 202, thus allowing needles 202 to manipulate yarn 211 and form additional circuitry from yarn 211.
[0113] Continuing with the knitting process, the feeder arm 240 now translates from the stowed position to the extended position, as shown in Figure 21C. In the extended position, feeder arm 240 extends downward from carrier 230 to position dispensing tip 246 at a location that is (a) centered between needles 202 and (b) below the intersection of needle beds 201. Figure 22C shows a schematic cross-sectional view of this configuration. Note that dispensing tip 246 is positioned below the location of dispensing tip 246 in Figure 22B due to the translational movement of feeder arm 240.
[0114] Referring now to Figure 21D, the combined feeder 220 moves along the rail 203 and the yarn 206 is placed between the loops of the knitted component 260. That is, the yarn 206 is located in front of some of the loops and behind the other handles in an alternating pattern. In addition, thread 206 is placed in front of loops being held by needles 202 from one bed of needle 201, and thread 206 is placed behind loops being held by needles 202 from the other bed of needle 201. feeder arm 240 remains in the extended position in order to place yarn 206 in the area below the intersection of needle beds 201. This effectively places yarn 206 within the newly formed path by pattern feeder 204 in Fig. 21B.
[0115] In order to complete the placement of yarn 206 within knitted component 260, pattern feeder 204 moves along rail 203 to form a new course from yarn 211, as shown in Figure 21E. By forming the new course, yarn 206 is effectively knitted into or otherwise integrated into the structure of knitted component 260. At this stage, feeder arm 240 can also translate from the extended position to the retracted position.
[0116] Figures 21D and 21E illustrate separate movements of feeders 204 and 220 along rail 203. That is, figure 21D illustrates a first movement of combined feeder 220 along rail 203, and figure 21E illustrates a second movement feeder from the standard feeder 204 along the rail 203. In many knitting processes, the feeders 204 and 220 can be effectively moved simultaneously to place the yarn 206 and form a new course from the yarn 211. The combined feeder 220, however, it moves ahead or in front of the standard feeder 204 in order to position the yarn 206 prior to forming the new course from the yarn 211.
[0117] The general knitting process highlighted in the above discussion provides an example of the way in which the placed yarns 132 and 152 can be located in the knitted elements 131 and 151. More particularly, the knitted components 130 and 150 can be formed by using the combined feeder 220 to effectively insert lay yarns 132 and 152 into knitted elements 131. Due to the alternating action of feeder arm 240, lay yarns can be located within a previously formed course prior to forming a new course.
[0118] Continuing with the knitting process, the feeder arm 240 now translates from the stowed position to the extended position, as shown in Figure 21F. Combined feeder 220 then moves along track 203 and yarn 206 is placed between the loops of knitted component 260, as shown in Figure 21G. This effectively places wire 206 within the course formed by the standard feeder 204 in Figure 21E. In order to complete placement of yarn 206 on knitted component 260, pattern feeder 204 moves along path 203 to form a new course from yarn 211, as shown in Figure 21H. By forming the new course, yarn 206 is effectively knitted into or otherwise integrated into the structure of knitted component 260. At this stage, feeder arm 240 can also translate from the extended position to the retracted position.
[0119] With reference to figure 21H, the wire 206 forms a loop 214 between the two placed sections. In the discussion of knitted component 130 above, it is noted that laid yarn 132 repeatedly exits knitted element 131 at perimeter edge 133 and then reenters knitted element 131 at another location on perimeter edge 133, thus forming loops along of the perimeter edge 133, as seen in Figures 5 and 6. The loop 214 is similarly formed. That is, loop 214 is formed where yarn 206 exits the knitted structure of knitted component 260 and then reenters the knitting structure.
[0120] As discussed above, the standard feeder 204 has the ability to supply a yarn (eg yarn 211) that the needles 202 manipulate for knitting, embedding and floating. The combined feeder 220, however, has the ability to supply a yarn (eg yarn 206) that the needles 202 knit, embed or float, in addition to placing the yarn. The above discussion of the knitting process describes the way in which the combination feeder 220 places a yarn while in the extended position. The combined feeder 220 can also supply yarn for knitting, laying and floating while in the stowed position. Referring to Fig. 21I, for example, combination feeder 220 moves along track 203 while in the retracted position and forms a course of knitted component 260 while in the retracted position. Accordingly, by the feeder arm switching 240 between the retracted position and the extended position, the combined feeder 220 can supply the yarn 206 for knitting, laying, floating and laying purposes. An advantage of the combined feeder 220 therefore relates to its versatility in supplying a yarn that can be used for a greater number of functions than the standard feeder 204.
[0121] The ability of the combined feeder 220 to supply yarn for knitting, laying, floating, and laying is based on the alternating action of feeder arm 240. Referring to figures 22A and 22B, dispensing tips 213 and 246 are in positions identical with respect to needles 220. As such, both feeders 204 and 220 can supply a yarn for knitting, inlaying and floating. Referring to Fig. 22C, the dispensing tip 246 is in a different position. As such, the combination feeder 220 can supply one wire or another for placement. An advantage of the combined feeder 220 therefore relates to its versatility in supplying a yarn that can be used for knitting, drawing in, floating and laying. ADDITIONAL CONSIDERATIONS OF THE KNITTING PROCESS
[0122] Additional aspects concerning the knitting process will be discussed now. Referring to Fig. 23, the upper course of knitted component 260 is formed from both yarns 206 and 211. More particularly, a left side of the course is formed from yarn 211, while a right side of the course is formed from wire 206. Additionally, wire 206 is placed on the left side of the course. In order to form this configuration, the standard feeder 204 may initially form the left side of the course of the yarn 211. The combined feeder 220 then places the yarn 206 within the right side of the course while the feeder arm 240 is in the extended position. Subsequently, the feeder arm 240 moves from the extended position to the retracted position and forms the right side of the stroke. Accordingly, the combined feeder can place a yarn within a portion of a course and then supply the yarn for the purpose of knitting the remainder of the course.
[0123] Figure 24 shows a configuration of the knitting machine 200 that includes four combination feeders 220. As discussed above, the combination feeder 220 has the ability to supply a yarn (e.g. yarn 206) for knitting, embedding, floating and put.According to this versatility, the standard feeders 204 can be replaced with multiple combined feeders 220 on the knitting machine 200 or on several conventional knitting machines.
[0124] Figure 8B shows a knitted component 130 configuration where two yarns 138 and 139 are coated to form knitted element 131, and placed yarn 132 extends through knitted element 131. The general knitting process discussed above can be used also to form this configuration. As shown in Figure 15, the knitting machine 200 includes multiple pattern feeders 204, and two of the pattern feeders 204 can be used to form the knitted element 131, with the combined feeder 220 depositing the laying yarn 132. Accordingly, the method The knitted fabric discussed above in Figures 21A through 21I can be modified by adding another pattern feeder 204 to supply additional yarn. In configurations where yarn 138 is a non-fusible yarn and yarn 139 is a fusible yarn, knitted component 130 may be heated following the knitting process to melt knitted component 130.
[0125] The part of the knitted component 260 shown in figures 21A to 21I has the configuration of a rib type knitted textile with regular and uninterrupted courses and bands. That is, the knitted component portion 260 does not have, for example, any areas of weave similar to weave knitted zones 163-165 or mock weave areas similar to knitted mock weave zones 166 and 167. In order to form knitted zones woven 163-165 on any of knitted components 150 and 260, a combination of a racked needle bed 201 and a transfer stitch loops from front to back of needle beds 201 and back to front of needle beds 201 on different racked positions is used. In order to form mock weave areas similar to mock weave knitting zones 166 and 167, a combination of a racked needle bed and a front to back transfer stitch loop of needle beds 201 is used.
[0126] The strokes within a knitted component are generally parallel to each other. Since a major portion of the placed yarn 152 follows the courses within the knitting element 151, it may be suggested that several sections of the placed yarn 152 are parallel to one another. Referring to Figure 9, for example, some sections of the laid-up wire 152 extend between edges 153 and 155 and other sections extend between edges 153 and 154. Several sections of the laid-up wire 152 are therefore not parallel. The dart formation concept can be used to imprint this configuration not parallel to the laid string 152. More particularly, variable length strokes can be formed to effectively insert the wedge-shaped structures between sections of the laid string 152. The structure formed in knitted component 150, therefore, where several sections of laid yarn 152 are not parallel, can be accomplished through the darting process.
[0127] Although most of the laid yarn 152 follows the courses within the knitted element 151, some sections of the laid yarn 152 follow bands. For example, sections of laid wire 152 that are adjacent to and parallel to inner edge 155 follow bands. This can be accomplished by first inserting a section of the laid wire 152 along a portion of a course and at a point where the laid wire 152 is to follow a band. The placed wire 152 is then pulled back to move the placed wire 152 out of the way, and the course is closed. As the subsequent course is being formed, the laid yarn 152 is again pulled back to move the laid yarn 152 out of the way at the point where the laid yarn 152 is to follow the band, and the course is terminated. This process is repeated until the laid wire 152 extends a specified distance along the strip. Similar concepts can be used for portions of yarn placed 132 in knitted component 130.
[0128] A variety of procedures can be used to reduce the relative movement between (a) knitting element 131 and placed yarn 132 or (b) knitting element 151 and placed yarn 152. That is, several procedures can be used to prevent the placed yarns 132 and 152 from slipping, moving through, being pulled out or otherwise becoming displaced from the knitting elements 131 and 151. For example, the fusion of one or more yarns that are formed from the thermoplastic polymeric materials in placed yarns 132 and 152 can prevent movement between the placed yarns 132 and 152 and the knitted elements 131 and 151. Additionally, the placed yarns 132 and 152 can be attached to the knitting elements when periodically fed to knitting needles as an inlay element. That is, the stitch yarns 132 and 152 can be formed into stitches and emboss into stitches along their lengths (eg, once per centimeter) in order to secure the stitch yarns 132 and 152 to the knitting elements 131 and 151 and prevent the movement of the placed wires 132 and 152.
[0129] Following the knitting process described above, various operations can be performed to improve the properties of any of knitted components 130 and 150. For example, a water repellent coating or other water resistance treatment can be applied to limit the ability of knitting structures to absorb and retain water. As another example, knitted components 130 and 150 can be steam applied to improve loft and induce yarn melting. As discussed above with reference to Figure 8B, wire 138 may be a non-fusible wire and wire 139 may be a fusible wire. When under steam, yarn 139 may melt or otherwise soften so as to transition from a solid state to a softened or liquid state, and then transition from a softened or liquid state to a solid state when sufficiently cooled. As such, wire 139 can be used to join (a) one portion of wire 138 to another portion of wire 138, (b) wire 138 and placed wire 132 together, or (c) another element (e.g. , logos, trademarks and placards with care instructions and material information) to the knit component 130, for example. Accordingly, a steam application process can be used to induce yarn melting in knitted components 130 and 150.
[0130] Although the procedures associated with the steam application process can vary greatly, one method involves attaching one of the knitted components 130 and 150 to a template during steam application. An advantage of attaching one of the knitted components 130 and 150 to a template is that the resulting dimensions of specific areas of the knitted components 130 and 150 can be controlled. For example, pins on the template can be located to hold the corresponding areas of the perimeter edge 133 of the knit component 130. By retaining specific dimensions for the perimeter edge 133, the perimeter edge 133 will be the correct length for a part of the process A long-lasting tool that joins the upper structure 120 to the sole structure 110. Accordingly, the attachment areas of the knitted components 130 and 150 can be used to control the resulting dimensions of the knitted components 130 and 150 following the steam application process.
[0131] The knitting process described above for forming the knitted component 260 can be applied to the fabrication of knitted components 130 and 150 for shoes 100. The knitting process can also be applied to the fabrication of a variety of other knitted components. That is, knitting processes utilizing one or more combined feeders or other alternating feeders can be used to form a variety of knitted components. As such, knitted components formed through the knitting process described above, or a similar process, can also be used in other types of apparel (eg, shirts, pants, socks, jackets, underwear), athletic equipment (eg. , golf bags, basketball and football gloves, football restraint structures), containers (eg backpacks, bags) and furniture upholstery (eg chairs, sofas, car seats). Knitted components can also be used in bedding (eg sheets, blankets), tablecloths, flags, tents, candles and parachutes. Knitted components can be used as technical textiles for industrial purposes, including structures for automotive and aerospace applications, filter materials, medical textiles (e.g. bandages, cotton swabs, implants), geotextiles for reinforcing containments, agrotextiles for crop protection, and industrial clothing that protects or insulates heat and radiation. Accordingly, knitted components formed through the knitting process described above, or a similar process, can be incorporated into a variety of products for personal and industrial purposes. TONGUE KNITTED COMPONENTS
[0132] In the shoe 100, the tongue 124 is separated from the knitted component 130 and joined to the knitted component 130, possibly with stitching, adhesive or thermal bonding. In addition, pawl 124 is discussed as being added to knitted component 130 following the knitting process. As shown in Figures 25 and 26, however, knitted component 130 includes a knitted tongue 170 which is formed from the unitary knit construction with the knitting element 131. That is, the knitted element 131 and the tongue 170 are formed as a one-piece element through a knitting process, which will be discussed in more detail below. Although tongue 124 or another tongue can be joined to knitting element 131 after knitted component 130 is formed, tongue 170 or other knitted tongue can be formed during the knitting and unitary knitting construction process with a component part knitted 130.
[0133] Tongue 170 is located within a neck area (ie where the shoelace 122 and the shoelace openings 123 are located) of the knit member 130 and extends along the neck area. When incorporated into footwear 100, for example, tongue 170 extends from an advancing portion of the neck area to ankle opening 121. As with knitting element 131, tongue 170 is shown to be formed from of a relatively untextured textile and a common or unique knitting structure. Tongue 170 is also shown in Figure 27 as having a generally flat configuration. Examples of knitting structures that can print this configuration for tongue 170, in addition to knitting element 131, are any one of several knitting structures in knitting zones 160-162 discussed above. In additional configurations, however, openings can be formed in areas of tongue 170 using the knitting structures of knitting zones 163-165, notches can be formed in areas of tongue 170 using knitting structures of the zones of mock weave knitting 166 or 167, or a combination of openings and notches can be formed in areas of tongue 170 by using the knitting structure of hybrid knitting zone 168. Additionally, areas of tongue 170 can have a quilted appearance when formed to have floating layers and yarns, for example, that are similar to the padded area 169. Accordingly, the flat, untextured appearance of the tongue 170 is illustrated for purposes of example, and various features can be imprinted through the use of different structures of knitting.
[0134] With reference to Figures 28 and 29, a knitted tongue 175 is shown as being formed from a unitary knit construction with the knitting element 151 of the knitted component 150. The tongue 175 has the same general shape as the tongue 170, but may have a thicker padded appearance. More particularly, pawl 175 is shown in Fig. 30 as including two overlapping and at least partially coextensive knitted layers 176, which may be formed from a unitary knitted construction, and a plurality of yarn loops 177 located between the layers 176. Although the sides or edges of the layers 176 are fastened or knitted together, a central area is generally unfastened. As such, the layers 176 effectively form a tube or tubular structure, and the wire loops 177 are located between and extend outwardly from one of the layers 176. Effectively, the wire loops 177 fill an internal volume between the layers 176 and impart a compressibility or quilted appearance to tongue 175. It should also be noted that each of the layers 176 and yarn loops 177 may be formed from a unitary knit construction during the knitting process that forms the component. knitted 150.
[0135] Another knitted component 180 is shown in Fig. 31 as including a knitting element 181, a placed yarn 182, and a knitted tongue 183. With the exception of the presence of tongue 183, the knitted component 180 has a general structure of a knitted component described in U.S. Patent Application Publication No. 2010/0154256 to Dua, which is incorporated herein by reference. Tongue 183 is formed from a unitary knitting construction with knitting element 181 and includes various knitting structures. Referring to Fig. 32, for example, the peripheral areas of pawl 183 exhibit a non-textured configuration that can have any one of several knitting structures in knitting zones 160-162. At least two areas of tongue 183 incorporate openings and can have any one of several knitting structures in interlocking knitting zones 163-165. Referring to Fig. 33, a central area of pawl 183 has a compressible or quilted appearance that includes two overlapping and at least partially coextensive knitted layers 184, which may be formed from the unitary knit construction, and a plurality of floating yarns 185 extending between layers 184. The center area of tongue 183 may therefore require the knitting structure of the zo on quilt 169. Although the sides or edges of layers 184 are secured together, a center area is generally not prey. As such, layers 184 effectively form a tube or tubular structure, and floating wires 185 can be located or placed between layers 184 to pass through the tubular structure. That is, float strands 185 extend between layers 184, are generally parallel to the surfaces of layers 184, and also pass through and fill an internal volume between layers 184. While a larger portion of tongue 183 is formed to From strands that are mechanically manipulated to form the interlocking loops, the floating strands 185 are generally free or otherwise placed within the inner volume between the layers 184. As a further matter, the layers 184 may be at least partially formed from of a stretched yarn to print the advantages discussed above for knitted layers 140 and float yarns 141.
[0136] Tongue 183 provides an example of the way in which various knitting structures can be used. As discussed above, the peripheral areas of pawl 183 exhibit a non-textured configuration, two areas of pawl 183 incorporate openings, and the center area of pawl 183 includes knitted layers 184 and floating yarns 185 to provide a compressible or quilted appearance. Mock weave knitting structures and hybrid knitting structures can be used as well. Accordingly, various knitting structures can be incorporated into tongue 183 or any other knitted tongue (eg tongue 170 and 175) to imprint different properties or different aesthetics.
[0137] Tongue 170 is attached to an advancing portion of the neck area of knitting element 131. That is, tongue 170 is knitted together with trio element 131 in a portion of the neck area that is closest of the forefoot region 101 in the shoe 100. Each of the tongues 175 and 183 are respectively secured or knitted at a similar position in the knitted components 150 and 180. Referring to Figures 34 and 35, however, a knitted tongue 190 is secured. along a length of the neck area of a configuration of knitted member 131 that does not include placed yarn 132 or shoelace openings 123. More particularly, the edges of tongue 190 are knitted in an area of knitting element 131 that is spaced apart outward from the inner edge 135. Accordingly, any of the configurations of the tongues 170, 175, 183, and 190 can be secured (for example, by constructing unitary knitting) at various locations in the neck areas of the tri-components. quoted 130, 150 and 180.
[0138] Advantages of construction tongue 170 during the knitting process and of unit knit construction are more efficient fabrication and common properties. More particularly, fabrication efficiency can be increased by forming more knitted components 130 during the knitting process and eliminating several steps (e.g., creating a separate tongue, securing the tongue) that are often performed by hand. Tongue 170 and knitting element 131 may also have common properties when formed from the same yarn (or yarn type) or with similar knitting structures. For example, using the same yarn in both tongue 170 and knitting element 131 imparts similar properties of durability, strength, stretch, wear resistance, biodegradability, thermal and hydrophobic. In addition to the physical properties, using the same yarn in both tongue 170 and knitting element 131 can print common aesthetic and tactile properties such as color, gloss and texture. By using the same knitting structures on both tongue 170 and knitting element 131 it is possible to print common physical properties and common aesthetic properties. These advantages can also be present when at least a part of the knitting element 131 and at least a part of the tongue 170 are formed from a common yarn (or yarn type) or with common knitting structures.
Tongue 175 includes wire loops 177 between layers 176, and pawl 183 includes floating wires 185 between layers 184. A benefit of wire loops 177 and floating wires 185 is that compressible or padded areas are formed . In addition to wire loops 177 and floating wires 185, other types of free wire sections can be used. For the purposes of this application, "free yarn sections" or variations thereof are defined as segments or portions of yarn that are not directly forming interlocking loops (eg, defining courses and bands) of a knitting structure, such as floating yarn , laid wires, terry wires, wire ends, and cut wire segments, for example. Furthermore, it should be noted that sections of free yarn can be a part of an individual yarn, with other parts of the yarn forming interlocking loops of the knitted structure. For example, the portion of a yarn forming terry loops (eg the free yarn sections) can be between the yarn portions forming interlocking loops of a knitting structure. As an alternative to the free wire sections, foamed materials or other types of compressible materials can be used inside tongues 175 and 183.
[0140] As a final matter, although pawl 170 is described in combination with knitted component 130, pawl 170 can also be used with knitted components 150 and 180, in addition to other knitted components. Similarly, pawls 175, 183 and 190 can be used with any knitted components 130, 150 and 180 in addition to other knitted components. The combinations described here are therefore for the purpose of example and other combinations can also be used. Furthermore, the specific configurations of pawls 170, 175, 183 and 190 should also provide examples and may also vary significantly. For example, the position of layers 184 and float wires 185 can be increased, moved to a periphery of pawl 183, or removed from pawl 183. Accordingly, the various combinations and configurations should provide examples, and other combinations and configurations can also be used. TONGUE KNITTING PROCESS
[0141] The way in which the knitting machine 200 operates to manufacture a tongue-knitted component will now be discussed in detail. In addition, the following discussion will demonstrate the way in which knitting element 131 and tongue 170 are formed from unitary knitting construction, but similar processes can be used for other knitted components and tongues. With reference to Figures 26A to 26G, a portion of the knitting machine 200 is schematically represented as including needle beds 201, a rail 203, a standard feeder 204 and a combined feeder 220. It should be understood that although the knitted component 130 is formed between the needle beds 201, the knitted component 130 is illustrated adjacent the needle beds 201 to (a) be more visible during the discussion of the knitting process and (b) illustrate the position of the knitted component parts 130 in relation one another and the needle beds 201. In addition, although a rail 203, a standard feeder 204, and a combined feeder 220 are shown, additional rails 203, standard feeders 204, and a combination feeder 220 may be used. Accordingly, the general structure of the knitting machine 200 is simplified for purposes of explaining the knitting process.
[0142] Initially, a part of the tongue 170 is formed by the knitting machine 200, as shown in figure 36A. In forming that portion of pawl 170, pattern feeder 204 repeatedly moves along rail 203 and several courses are formed from at least one yarn 211. More particularly, needles 202 pull sections of yarn 211 through loops of a previous course, thus forming another course. This action continues until pawl 170 is substantially formed, as shown in Figure 36B. It should be noted that at this stage although pawl 170 is shown to be formed from wire 211, additional wires can be incorporated into pawl 170 from additional standard feeders 204. For example, a fusible wire can be incorporated into at least the upper or end stroke of pawl 170 to help ensure that pawl 170 is joined or knitted properly with knitting element 131. Additionally, at least the end course of pawl 170 may include cross stitches with relatively tight knitting or dense to ensure that pawl 170 remains properly positioned on needles 202 during the later stages of the pecking process.
[0143] The knitting machine 200 now starts the process of forming the knitting element 131, as shown in Figure 36C, according to the knitting process discussed previously. As the knitting process continues, the combined feeder 220 places yarn 206 to form laid yarn 132, as shown in Figure 36D, also in accordance with the knitting process discussed previously. By a comparison of Figures 36C and 36D, pawl 170 remains stationary with respect to needle beds 201, but knitted element 131 moves down and may overlap pawl 170 as successive strokes are formed in knitted element 131. This continues until a stroke is formed and must join pawl 170 to knitted element 131. More particularly, pawl 170 remains stationary with respect to needle beds 201 as parts of knitted component 131 are formed. At the point shown in Figure 36E, however, a course is formed that (a) extends through the end course of pawl 170, which includes the crossed push-in points and (b) joins with the end course of pawl 170. stroke joins tongue 170 to knitting element 131. At this stage, therefore, knitting element 131 and tongue 170 are effectively formed from a unitary knitting construction.
[0144] Once the tongue 170 is joined to the knitting element 131, the knitting machine 200 continues the process of forming courses, thus forming more of the knitting element 131, as shown in figure 36F. Since pawl 170 is now joined to knitting element 131, pawl 170 moves down with knitting element 131 as successive strokes are formed, as seen from a comparison of Figures 36E and 36F. The advancing motion of the knitting machine 200 continues the process of forming courses on the knitting element 131 until the knitted component 130 is substantially formed, as shown in Figure 36G.
[0145] Now that the general process associated with forming the knit component 130 to include tongue 170 is presented, additional aspects of the knitting process will be discussed. As noted above, a castable yarn may be incorporated into at least the end stroke of tongue 170 to help ensure that tongue 170 is properly joined or knitted with knitting element 131. In some knitting processes, the yarn that forms the end course of tongue 170 is cut off. By incorporating fusible yarn into the final stroke of tongue 170, the knitting structure at the interface of tongue 170 with knitting element 131 can be reinforced. That is, fusing the fusible wire will melt or otherwise join the wire sections at the interface and prevent the cut wire from unwinding.
[0146] In addition, as noted above, at least the final stroke of pawl 170 may include crisscross stitches with relatively tight or dense knitting to ensure that pawl 170 remains properly positioned on needles 202 during the later stages of the knitting process . During much of the knitting process that forms knitting element 131, pawl 170 remains stationary with respect to needle beds 201. Movement, vibration, or other actions of knitting machine 200 can, however, dislodge parts of the knitting machine. final course of the needles 202, thus forming dropped stitches. By forming cross-lay stitches with relatively tight or dense knitting, fewer dropped stitches are formed. Furthermore, if dropped stitches are formed, the fusible yarn within the final stroke will fuse or otherwise join the dropped stitches within the knitting structure.
[0147] Once pawl 170 is knitted, several needles 202 hold pawl 170 in place while knitting element 131 is formed. Effectively, the needles 202 holding the tongue 170 are not available for further knitting until the tongue 170 is joined to the knitting element 131. As a result, only those needles 202 are located beyond the edges (ie, to the right or to the left) of pawl 170 are available to form knitting element 131. The end stroke of pawl 170 must therefore have a width equal to or less than the distance between opposite sides of inner edge 135 in the area where the tongue 170 is joined with knitting element 131. In other words, the design of knitted component 130 must compensate for (a) the length of the end stroke of pawl 170 and (b) the number of needles 202 that are reserved to hold the tongue. ghetto 170 while knitting element 131 is formed.
[0148] In the knitting process discussed above, both pawl 170 and knitting element 131 are formed from yarn 211. Whereas pawl 170 remains stationary with respect to needle beds 201 through a part of the knitting process. knitting, parts of the knitting element 131 move downward as successive strokes are formed. Since a segment of yarn 211 may extend from the end stroke of tongue 170 to the first short of knitting element 131 (ie, the lower edges of knitting element 131), this segment of yarn must be of sufficient length. to compensate for the downward movement of the first stroke of the knitting element 131. Indeed, a comparison of Figures 36C to 36E demonstrates that the first stroke of the knitting element 131 moves down and away from the final stroke of the pawl 170 as the knitting element 131 is formed. Accordingly, if a segment of yarn 211 extends from the final course of pawl 170 to the first course of knitting element 131, that segment of yarn should be of sufficient length to compensate for the increasing distance between the final course of pawl 170 and the first course of knitting element 131.
[0149] Although various methods can be employed to compensate for the increasing distance between the final course of tongue 170 and the first course of knitting element 131, figure 37 shows an expansion section 195 as being formed following the formation of tongue 170 The expansion section 195 can then be cast from needles 202. As the distance between the final stroke of the pawl 170 and the first stroke of the knitting element 131 increases, the expansion section 195 may unwind and elongate . That is, the unwinding of the expansion section 195 can be used to effectively lengthen the yarn section 211 between the final stroke of the pawl 170 and the first stroke of the knitting element 131. In some configurations, the expansion section 195 may be formed as a jersey type fabric for easy unrolling.
[0150] The various figures 36A to 36G illustrate the knitted component 130 as being independently formed. In some knitting processes, however, a dumping element is knitted prior to forming the knitted component 130. The dumping element engages a number of rollers that provide a downward force on the knitted component 130. The downward force ensures that the strokes move to away from needles 202 as later courses are formed.
[0151] Based on the above discussion, the knitting element 131 and the tongue 170 can be formed from the construction of unitary knitting through a single knitting process. As described, pawl 170 is formed first and remains stationary on needle beds 201 as knitting element 131 is formed. After a course is formed that joins knitting element 131 and tongue 170, knitting element 131 and tongue 170 move down together as additional portions of knitting element 131 are formed. SEQUENTIAL CHANGES
[0152] The knitting machine 200 includes, among other elements, a knitting mechanism 270, a pattern 280, and a computing device 290, as shown schematically in Figure 38. The knitting mechanism 270 includes many of the mechanical components of the machine knitting 200 (e.g., needles 202, feeders 204 and 220, trolley 205) that mechanically manipulate yarns 206 and 211 to form a knitted component (e.g., knitted component 130). Pattern 280 includes knit component data, including the yarns that are used for each stitch, the type of knitting structures formed by each stitch, and the specific needles 202 and feeders 204 and 220 that are used for each stitch, for example. The operation of knitting machine 200 is governed by computing device 290, which reads data from pattern 280 and directs the corresponding operation of knitting mechanism 270.
[0153] Multiple substantially identical knitted components can be formed by knitting machine 200. More particularly, computing device 290 can repeatedly read pattern 280 and direct knitting mechanism 270 to form substantially identical knitted components. In general, therefore, each knitted component that is formed will be substantially identical to other knitted components that are formed based on a particular pattern 280. Referring to Figures 39A to 39C, however, three versions of pawl 170 are illustrated. While Fig. 39A shows pawl 170 as including a knitting structure (e.g. yarns of different colors) with alphanumeric characters forming "1 OF 100", figs. 39B and 39C, respectively, show pawl 170 as including knitting structures with alphanumeric characters that form "2 OF 100" and "3 OF 100".
[0154] One way to perform sequence changes of the type illustrated in figures 39A to 39C is to create multiple patterns. Effectively, each of the pawl 170 configurations illustrated in Figures 39A to 39C may have a different pattern. As an alternative, an application (eg, software) run by computing device 290 can change pattern 280 while each successive tab 170 is formed to provide sequential changes. For example, pattern 280 may include a modifiable field 281, which is an area of pattern 280 that can be updated or changed by computing device 290. For reference purposes, the parts of pattern 280 that correspond to "1", " 2" and "3" in Figs. 39A to 39C may be governed by modifiable field 281. Computing device 290 may include a counter, for example, that updates modifiable field 281 with each successive knitted component that is formed. Accordingly, sequential changes to pattern 280 can be automated through the use of an application run by computing device 290, thus rectifying the need to have different patterns 280 for each variation of tongue sequence 170.
[0155] During operation, pattern 280 with modifiable field 281 is provided by an operator, designer, or manufacturer, for example. Computing device 290 can form a first knitted component with a pattern configuration for modifiable field 281 or can update modifiable field 281 in accordance with other instructions or data. As such, for example, tongue 170 of Fig. 39A can be knitted with "1 OF 100". Computing device 290 now updates modifiable field 281 with data representing another alphanumeric character, possibly a sequential alphanumeric character when computing device 290 includes a counter, and pawl 170 of Fig. 39B may be knitted with "2 OF 100". The procedure is repeated and computing device 290 updates modifiable field 281 with data representing another alphanumeric character and tongue 170 of Fig. 39A can be knitted with "3 OF 100". Accordingly, the modifiable field of pattern 280 can be updated repeatedly with data representing the different alphanumeric characters, possibly sequential alphanumeric characters.
[0156] The invention is described above and in the attached figures with reference to a variety of configurations. The purpose served by the description, however, is to provide an example of various features and concepts related to the invention, not to limit the scope of the invention. Those skilled in the art will recognize that numerous variations and modifications can be made to the configurations described above without departing from the scope of the present invention as defined by the appended claims.

权利要求:
Claims (9)
[0001]
1. Method of manufacturing a knitted component (130) for an article of footwear (100), the method CHARACTERIZED in that it comprises: knitting a tongue (170) with a knitting machine (200); holding the tongue (170) ) on the needles (202) of the knitting machine (200); knitting a first part of a knitting element (131) with the knitting machine (200) while the tongue (170) is held on the needles (202); tongue (170) to the first part of the knitting element (131); knit a second part of the knitting element (131) with the knitting machine (200).
[0002]
2. Method according to claim 1, CHARACTERIZED by the fact that it additionally includes a step of selecting the knitting machine (200) to be a flat knitting machine.
[0003]
3. Method according to claim 1, CHARACTERIZED in that it additionally includes a step of knitting an expansion section (195) following the step of knitting the tongue (170), and in which the step of knitting the first part of knitting element (131) includes unwinding expansion section (195).
[0004]
4. The method of claim 1, CHARACTERIZED in that the step of knitting the tongue (170) includes forming a course of the tongue (170) to include at least one of (a) a fusible yarn and (b) crisscross embedded stitches.
[0005]
5. Method according to claim 1, CHARACTERIZED by the fact that the step of joining the tongue (170) includes forming a course with the knitting machine (200) that joins the tongue (170) to the knitting element (131 ).
[0006]
6. Method of manufacturing a knitted component (130) for an article of footwear (100), the method CHARACTERIZED in that it comprises: knitting a tongue (170) with a knitting machine (200); a knitting element (131) with the knitting machine (200); the pawl (170) being stationary with respect to a bed of needles (201) of the knitting machine (200) during knitting of the first part of the knitting element (131), and the first part of the knitting element (131) moving with respect to the tongue (170) during knitting of the first part of the knitting element (131); forming a course with the knitting machine (200) that joins the tongue (170) to the knitting element (131); knit a second part of the knitting element (131) with the knitting machine (200), the tongue (170) and the first part of the knitting element (131) moving together while knitting the second part of the knitting element ( 131).
[0007]
7. Method according to claim 6, CHARACTERIZED by the fact that it additionally includes a step of selecting the knitting machine (200) to be a flat knitting machine.
[0008]
8. The method of claim 6, CHARACTERIZED in that it further includes a step of knitting an expansion section (195) after the step of knitting the tongue (170), and wherein the step of knitting the first part of knitting element (131) includes unwinding expansion section (195).
[0009]
9. The method of claim 6, CHARACTERIZED in that the step of knitting the tongue (170) includes forming a final course of the tongue (170) to include at least one of (a) a fusible yarn and (b ) crossed embedding points.

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法律状态:
2018-03-27| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|

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2019-09-03| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|

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2021-03-23| B07A| Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]|

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2021-06-08| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|

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2021-08-10| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 19/02/2013, OBSERVADAS AS CONDICOES LEGAIS. |

优先权:

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申请号 | 申请日 | 专利标题

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US13/400,511|US8448474B1|2012-02-20|2012-02-20|Article of footwear incorporating a knitted component with a tongue|

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US13/400,511|2012-02-20|

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PCT/US2013/026618|WO2013126313A2|2012-02-20|2013-02-19|Article of footwear incorporating a knitted component with a tongue|

---