sole structure for a shoe item

专利摘要:
SOLE STRUCTURES AND FOOTWEAR ITEMS HAVING MEMBERS OF IMPACT STRENGTH OF THE FOAM TYPE AND / OR WITH BALLOONS FILLED WITH MODERATE FLUID WITH PLATE The present invention relates to sole structures for footwear articles, including athletic shoes, which include: (a) an outer sole component; (b) a midsole component engaged with the outsole component, wherein the midsole component includes at least one opening or receptacle; (c) at least one fluid filled balloon system or foam system provided at the opening or receptacle and / or (d) a rigid plate system including one or more rigid plates overlapping the fluid filled balloon or system (s) foam. The rigid plate (s) can be attached directly to the midsole component or the rigid plate (s) can rest on the balloon (s) filled with fluid or foam just above the surface of the midsole component when the sole structure is in an uncompressed condition. Shoe articles and methods of manufacturing sole structures and shoe articles including such sole structures are also described.
公开号:BR112015006329B1
申请号:R112015006329-2
申请日:2013-09-10
公开日:2021-01-26
发明作者:Robert M. Bruce；Joshua P. Heard
申请人:Nike Innovate C.V.；
IPC主号:

专利说明:

RELATED ORDER DATA
[001] This application claims priority for US Patent Application 13 / 623,701, entitled “Sole Structures and Articles of Footwear Having Plate Moderated Fluid-Filled Bladders and / or Foam Type Impact Force Attenuation Members” and filed on September 20, 2012, US Patent Application 13 / 623,701 in its entirety is incorporated by reference here. FIELD OF THE INVENTION
[002] The present invention relates to the footwear field. More specifically, aspects of the present invention concern sole structures and / or footwear articles (for example, athletic shoes) which include rigid plate (s) overlapping foam type and / or bladder type impact attenuation elements filled with fluid. FUNDAMENTALS
[003] Conventional athletic footwear items include two primary elements, namely, an upper and a sole structure. The upper provides a cover for the foot that securely receives and positions the foot in relation to the sole structure. In addition, the upper part can have a configuration that protects the foot and provides ventilation, thereby cooling the foot and removing perspiration. The sole structure is attached to a lower surface of the upper and is usually positioned between the foot and any contact surface. In addition to attenuating the reaction forces of the ground and absorbing energy, the sole structure can provide traction and potentially control harmful foot movement, such as overpronation. The general characteristics and configuration of the upper and sole structure are discussed in more detail below.
[004] The upper part forms a void inside the shoe to receive the foot. The void has the general shape of the foot and access to the void is provided at an ankle opening. In this way, the upper part extends over the instep and the toe areas, along the medial and lateral sides of the foot and around the heel area of the foot. A system of laces is often incorporated in the upper part to selectively change the size of the ankle opening and to allow the user to modify certain dimensions of the upper part, particularly the circumference, to accommodate feet of varying proportions. In addition, the upper part can include a tongue that extends under the lacing system to increase the comfort of the shoe (for example, to moderate the pressure applied to the foot by the laces) and the upper part can also include a heel buttress for limit or control the movement of the heel.
[005] The sole structure generally incorporates multiple layers that are conventionally called as insole, midsole and outsole. The insole (which can also constitute a sock lining) is a thin member located inside the upper part and adjacent to the plantar (lower) surface of the foot to increase the comfort of the footwear, for example, to drain away the moisture and provide a soft comfortable feeling. The midsole, which is traditionally attached to the upper along the entire length of the upper, forms the middle layer of the sole structure and serves a variety of purposes including controlling foot movements and mitigating impact forces. The outer sole forms the foot contact element of the shoe and is generally modeled from a durable, wear-resistant material that includes texture or other characteristics to improve traction.
[006] The primary element of a conventional midsole is a resilient polymer foam material, such as polyurethane or ethyl vinyl acetate ("EVA"), which extends the entire length of the shoe. The material properties of the polymer foam in the midsole are primarily dependent on factors including the dimensional configuration of the midsole and the specific characteristics of the material selected for the polymer foam, including the density of the polymer foam material. By varying these factors throughout the midsole, the relative hardness, the degree of attenuation of the soil reaction force and the energy absorption properties can be altered to satisfy the specific demands of the activity for which the footwear is intended to be used. .
[007] Despite the various footwear models available and features, new footwear models and constructions continue to be developed and are a welcome advance in technique. SUMMARY OF THE INVENTION
[008] This summary presents an introduction to some general concepts related to this invention in a simplified form which are further described below in the detailed description. This summary is not intended to identify key or essential aspects of the invention.
[009] While potentially useful for any desired types or styles of shoes, aspects of this invention may be of particular interest for sole structures of athletic footwear items that include basketball shoes, running shoes, training shoes, soccer shoes, type shoes sneakers, golf shoes, etc.
[010] More specific aspects of this invention relate to sole structures for footwear articles that include one or more of the following: (a) an outer sole component including an outer main surface and an inner main surface; (b) an midsole component engaged with the inner main surface of the outsole component, wherein the midsole component includes at least one opening or receptacle; (c) at least one bladder system filled with fluid or foam member provided in the opening (s) or receptacle (s) and / or (d) a rigid plate system including one or more rigid plates overlapping the system ( s) bladder filled with fluid or foam member (s). The rigid plate (s) can be attached directly to the midsole component or the rigid plate (s) can rest on the bladder (s) filled with fluid or foam member (s), optionally just above a surface of the midsole component when the sole structure is in an uncompressed condition.
[011] Other sole structures according to some aspects of this invention may include one or more of the following: (a) an outer sole component; (b) an midsole component including one or more midsole parts engaged with an inner main surface of the outsole component, wherein the midsole component includes an opening or receptacle defined therein and where the surface of the midsole component adjacent to the opening or receptacle includes a lower cutting area that defines a gap, for example, between at least a portion of the lower surface of the midsole component and the inner main surface of the outer sole component; (c) a fluid-filled bladder system or a foam member located at least partially within the opening or receptacle; and (d) a rigid plate system at least partially overlapping the fluid-filled bladder system or the foam member. A compressive force applied between the rigid plate system and the outer main surface of the outer sole component causes the lower cut (s) and / or gap (s) to decrease in height.
[012] Other sole structures according to some examples of that invention may include one or more of the following: (a) an outer sole component including an outer main surface and an inner main surface; (b) an midsole component engaged with the inner main surface of the outsole component, wherein the midsole component includes a receptacle defined therein; (b) a fluid-filled bladder system or foam member located at least partially within the receptacle and / or (d) a rigid plate member at least partially overlapping the fluid-filled bladder system or the foam member, in that the lower surface of the rigid plate member is exposed and forms a lower surface of the sole structure in an arc area of the sole structure.
[013] Additional aspects of this invention refer to footwear articles including upper and sole structures of the various types described above coupled with the upper. Still further aspects of this invention relate to methods for manufacturing sole structures and / or footwear of the various types described above (and described in more detail below). More specific aspects of this invention will be described in more detail below. BRIEF DESCRIPTION OF THE DRAWINGS
[014] The preceding summary of the invention, as well as the following detailed description of the invention, will be better understood when considered in conjunction with the accompanying drawings, in which similar reference numerals refer to the same or similar elements in all the various views in which that reference number appears.
[015] Figures 1A to 1J show various views of sole structures and / or their components according to some examples of this invention, Figures 2A to 2C show various views of sole structures according to other examples of this invention, Figures 3A to 3D show various views of a shoe article including a sole structure according to at least some examples of that invention. Figures 4A and 4B show various views of a midsole component according to some examples of that invention, Figures 5A to 5E show various views of sole structures according to some examples of that invention, Figures 6A and 6B show various views of a shoe article including a sole structure according to at least some examples of that invention, Figure 7 includes a sectional view of a sole structure according to another example of that invention. Figures 8A and 8B include sectional views of portions of a shoe article according to another example of that invention. In the invention, Figures 9A and 9B include section views of portions of sole structures according to other examples of this invention and Figures 10A to 10C include various views of another example of sole and shoe structure according to some examples of this invention. DETAILED DESCRIPTION OF THE INVENTION
[016] In the following description of several examples of shoe structures and components in accordance with the present invention, reference is made to the accompanying drawings, which form a part of it, and in which various exemplary structures are shown, by way of illustration, environments in which aspects of the invention can be practiced. It should be understood that other structures and environments can be used and that structural and functional modifications can be made from the specifically described structures and methods without departing from the scope of the present invention. I. GENERAL DESCRIPTION OF THE ASPECTS OF THIS INVENTION
[017] Aspects of this invention refer to sole structures and / or footwear articles (for example, athletic shoes) that include rigid plate (s) superimposing impact attenuation elements of the foam type and / or the full bladder type with fluid. More specific features and aspects of this invention will be described in more detail below. A. CHARACTERISTICS OF SOLE STRUCTURES AND FOOTWEAR ITEMS ACCORDING TO EXAMPLES OF THIS INVENTION
[018] Some aspects of this invention relate to sole structures for footwear and footwear articles (or other foot receiving devices), including athletic shoes, having such sole structures. Sole structures for shoe articles according to at least some examples of this invention may include one or more of the following: (a) an outer sole component including an outer main surface and an inner main surface, where the main surface The exterior includes at least one projection area (for example, a projection of the forefoot and / or a projection area of the hindfoot), in which the projection area (s) is at least partially surrounded and protrudes beyond a surface area. main outsole, where the projection area (s) can be connected to the surface area of the main outer sole by a flexible web member (for example, around at least a portion of the perimeter of the area (s) of projection); (b) a midsole component engaged with the inner main surface of the outsole component; wherein the midsole component includes at least one opening or receptacle located close to the projection area (s); (c) at least one fluid-filled bladder system and / or foam member engaged with the inner main surface of the outsole component or the receptacle above the projection area and / or (d) a rigid plate system including a or more portions of rigid plate at least partially overlapping the fluid-filled bladder system (s).
[019] The rigid plate system may include a single plate covering multiple (e.g., forefoot and hindfoot) balloons filled with fluid and / or foam members or multiple separate plates without departing from this invention. The plate (s) can include other structural features as well. For example, if desired, portions of the rigid forefoot plate may include a groove that separates a region of the first metatarsal and / or thumb support from one or more of the other regions of the metatarsal support (for example, at least one support region of the fifth metatarsus). This feature can help to produce a more natural feeling for the shoe, as the medial side of the foot can flex slightly with respect to the lateral side of the foot (which allows for a more natural feeling and / or movement during pronation and withdrawal of the foot during the step or jump). In addition or alternatively, the rear area of the heel of the portions of the rearfoot plate may include a groove that allows the medial side of the foot to flex slightly with respect to the side face. The rigid plates can also be bent in the direction of the heel for the fingers and / or in the direction of the medial face to the side face, for example, to function as a spring and / or to produce a backward or return energy and / or to apply suction cups, couple or otherwise support the sides of the foot.
[020] Fluid-filled bladder systems can adopt a variety of constructions without departing from this invention, including conventional constructions as they are known and used in this technique. If desired, each fluid-filled bladder system can constitute a single fluid-filled bladder. Alternatively, if desired, one or more fluid-filled bladder systems may constitute two or more fluid-filled balloons located within their respective openings and / or receptacle areas (e.g., two or more fluid-filled balloons stacked). Fluid-filled balloons may include a sealed envelope or other outer barrier layer filled with a gas under ambient or elevated pressure. The bladder (s) may include internal structures (for example, traction elements) and / or interior fused or welded connections (for example, connections from the upper surface to the lower surface) to control the outer shape of the bladder.
[021] In some exemplary structures according to this invention, the surface area (s) of the main outer sole will completely surround the projection area in which they are located. Additionally or alternatively, in some structures according to this invention, the opening (s) and / or the receptacle (s) of the midsole component will completely surround the recessed area (s) of the outer sole component and / or the system (s) ) of a bladder filled with fluid (or foam member (s)) mounted on it.
[022] Sole structures according to other examples of this invention can include one or more of the following: (a) an outer sole component including an outer main surface and an inner main surface; (b) an midsole component engaged with the inner main surface of the outer sole component, wherein the midsole component includes one or more receptacles and one or more base surfaces at least partially surrounding the receptacle (s); (c) one or more fluid-filled bladder systems and / or foam members received in the receptacle (s), wherein the upper surface of the fluid-filled bladder system or foam member extends above the base surface of the component midsole when the sole structure is in an uncompressed condition; and / or (d) one or more rigid plate components (for example, of the types described above) having a main surface overlapping the upper surface of the bladder system filled with fluid or foam member, wherein the main surface of the Rigid plate does not contact the base surface of the midsole component when the sole structure is in an uncompressed condition. The rigid plate component (s) may include perimeter edges that extend over the respective base surface (s) of the midsole component, such that the base surface of the midsole component acts as a stop to slow or stop movement descending of the rigid plate component (s) during compression of the sole structure.
[023] Still additional sole structures according to some aspects of this invention may include one or more of the following: (a) an outer sole component including an outer main surface and an inner main surface; (b) an midsole component including one or more midsole parts engaged with the inner main surface of the outsole component, wherein the midsole component includes a forefoot opening and / or a hindfoot opening and in which: (i) the lower surface of the midsole component adjacent to the forefoot opening includes a first lower cut area that defines a first gap between at least a portion of the lower surface of the midsole component and the inner main surface of the outer sole component and / or (ii) the lower surface of the midsole component adjacent to the hindfoot opening includes a second lower cut area that defines a second gap between at least a portion of the lower surface of the midsole component and the inner main surface of the sole component external; (c) a fluid-filled bladder system or a forefoot foam member located at least partially within the forefoot opening and optionally engaged with the inner main surface of the outer sole component; (d) a fluid-filled bladder or hindfoot foam member located at least partially within the hindfoot opening and optionally engaged with the inner main surface of the outer sole component and (c) a rigid plate system including a first portion of rigid plate at least partially overlapping the fluid-filled bladder system or forefoot foam member and / or a second portion of rigid plate at least partially overlapping the fluid-filled bladder or hindfoot member. A compressive force applied between the rigid plate system and the outer main surface of the outer sole component causes the first and / or the second spans to reduce in height. If desired, sole structures according to some examples of this aspect of the invention may include only the midsole and forefoot outsole structures (with the rigid plate extending over only those structures) or only the midsole and outer sole structures hindfoot (with the rigid plate extending over only those structures).
[024] The lower cut area (s) and / or the gap (s) between the midsole bottom and the inner main surface of the outsole component may extend completely around the perimeter of the opening or receptacle in which they are located, although, if desired, the lower cut area (s) and / or the gap (s) may be discontinuous (for example, partially extending around the perimeter of their respective openings or receptacles). This lower cut area (s) and / or gap (s) can have a maximum height within a range of 1 to 15 mm when the sole structure is in an uncompressed condition and, in some examples, a maximum height of 1.5 to 12 mm or even 1.75 to 10 mm when the sole structure is in an uncompressed condition.
[025] Other exemplary sole structures according to some examples of that invention may include one or more of the following: (a) a forefoot outsole component including an outer main surface and an inner main surface; (b) a hindfoot outsole component separate from the hindfoot outsole component, the hindfoot outsole component including an outer main surface and an inner main surface; (c) a forefoot midsole component engaged with the inner main surface of the forefoot sole component, wherein the forefoot midsole component includes a forefoot receptacle defined therein; (d) a hindfoot midsole component separate from the forefoot sole component and engaged with the inner main surface of the hindfoot sole component, wherein the hindfoot midsole component includes a hindfoot receptacle defined therein; (e) a bladder system filled with fluid or forefoot foam member located at least partially within the forefoot receptacle; (f) a fluid-filled bladder or hindfoot member located at least partially within the hindfoot receptacle and / or (g) a rigid plate member including a first portion of the rigid plate at least partially overlapping the bladder filled with fluid or forefoot foam member and / or a second portion of rigid plate at least partially overlapping the bladder system filled with fluid or hindfoot member. A lower surface of the rigid plate member of that exemplary structure is exposed and forms a lower surface of the sole structure in the arch area of the sole structure, for example, between the forefoot sole component and the retro outer sole component. - foot. If desired, sole structures according to some examples of this aspect of the invention may include only the midsole and forefoot outsole components (with the rigid plate extending over only those components) or only the midsole and outsole components of hindfoot (with the rigid plate extending over only those components).
[026] The receptacles (for example, forefoot and / or hindfoot receptacles) may extend completely or partially through the overall thickness of the midsole component. When these receptacles constitute openings that extend completely through the midsole component, the bladder system (s) filled with fluid and / or foam member (s) provided in the receptacles can be mounted directly on the inner main surface of the outer sole component. and inside the openings. The lower surface (s) of the rigid plate component (s) can be attached to the upper surface (s) of the bladder system (s) filled with fluid and / or foam member (s), for example, by cements or adhesives . The rigid plate component (s) need not be attached to the midsole component in at least some exemplary constructions in accordance with this aspect of the invention.
[027] Sole structures of the types described above may include additional features that help to engage balloons filled with fluid and / or foam members and maintain the desired position of the various elements in the sole structure. For example, if desired, the inner main surface of the outer sole component may include one or more recessed areas and the receptacle (s) may include openings that at least partially surround the recessed area (s) of the outer sole component. The recessed areas can correspond with (at least be located on) the projection areas on the main outer surface of the outer sole component, as described above. The bladder (s) filled with fluid and / or foam member (s) can be mounted within the recessed areas of the outer sole component.
[028] Still further aspects of this invention relate to footwear articles including upper parts (for example, of any desired design, construction or structure, including conventional designs, constructions or structures) and sole structures of the various types described above coupled with the top. In some more specific examples, the upper part may include a sole member closing its lower surface, where the sole member overlaps the upper surface of the midsole component and all components of the rigid plate. Additionally or alternatively, if desired, a sock lining or insole member may overlap the midsole component and / or the sole member (when present). B. CHARACTERISTICS OF THE METHOD
[029] Additional aspects of this invention refer to methods of manufacturing footwear or its various components. A more specific aspect of this invention relates to methods for manufacturing sole structures for footwear articles of the various types described above. Although the various components and parts of the sole structures and footwear articles according to aspects of this invention can be made in ways that are conventionally known and used in the art, examples of aspects of the method of this invention refer to the combination of the sole structure and / or parts of the footwear and their union in ways that produce the various structures described above.
[030] Given the general description of the characteristics, aspects, structures and arrangements according to the invention provided above, a more detailed description of specific exemplary footwear articles and methods according to that invention follows. II. DETAILED DESCRIPTION OF EXEMPLARY SOLE STRUCTURES AND FOOTWEAR ITEMS ACCORDING TO THIS INVENTION
[031] With reference to the figures and the following discussion, various sole structures, footwear articles and their characteristics according to the present invention are disclosed. The sole and footwear structures represented and discussed are athletic shoes and the concepts revealed in relation to various aspects of that shoe can be applied to a wide range of athletic shoe styles including, but not limited to: hiking shoes, tennis shoes, football shoes, football shoes, basketball shoes, running shoes, training shoes, golf shoes, etc. In addition, at least some concepts and aspects of the present invention can be applied to a wide range of non-footwear athletic, including work boots, sandals, loafers and thin shoes. Accordingly, the present invention is not limited to the precise modalities disclosed here, but applies to footwear in general.
[032] Figures 1A to 1E illustrate a first exemplary sole structure 100 according to some aspects of this invention. Figure 1A is an exploded view of the sole structure 100 (showing the constituent parts of that exemplary structure 100), figure 2B is a top view and figure 1C is a bottom view. Figure 1D is a sectional view taken along line 1D-1D in figure 1B and figure 1E is a sectional view taken along line 1E-1E in figure 1B. As shown in figure 1A, that exemplary sole structure 100 includes an outer sole component 110; a bladder system filled with hindfoot fluid 120; a bladder system filled with forefoot fluid 130; a midsole component 140 and a rigid plate component 150. Various characteristics of these component parts and their construction are described in more detail below.
[033] The outer sole component 110 includes an outer main surface 110a (which may include sole, latches, raised surfaces or other traction elements, such as the zigzag type structure shown in figure 1C) and an upper inner main surface 110b. Although the outer sole component 110 can be made as a single piece or part, as shown in these figures, if desired, it could be made of multiple pieces or parts, such as a forefoot component and a heel or hindfoot component. separate. The outer sole component 110 can be made of any desired materials, including materials that are conventionally known and used in the shoeing technique, such as rubbers, plastics, thermoplastic polyurethanes and so on. In addition, the outer sole component 110 can be made in any desired manner without departing from this invention, including in conventional ways that are known and used in the shoe technique (for example, by molding processes). The inner main surface 110b of this exemplary illustrated outsole component 110 includes a recessed forefoot area 112 and a recessed recessed area 114. Raised rims 116 molded into the main surface 110b define (and at least partially surround) the recessed areas 112, 114 in this exemplary structure. These recessed areas 112 and 114 contain and help to secure fluid-filled bladder systems 120, 130, as will be explained in more detail below.
[034] Referring also to figures 1C to 1E, these figures show additional details of the outer main surface 110a of that exemplary outer sole component structure 110. More specifically, as shown in these figures, the outer main surface 110a includes a projection area forefoot 112a corresponding to the lowered forefoot area 112 and a hindfoot projection area 114a corresponding to the lowered hindfoot area 114. The forefoot projection area 112a is at least partially surrounded by (and in this illustrated example, completely surrounded by ) and protrudes beyond a first main outer sole surface area 110c located around and adjacent to the forefoot projection area 112a. Similarly, the hindfoot projection area 114a is at least partially surrounded by (and in this illustrated example, completely surrounded by) and projects beyond a second main outer sole surface area 110d located around and adjacent to the projection area of hindfoot 114a. These “main outsole surface areas” 110c and 110d are shown as dashed line wraps in figure 1C and this term is used here to represent the surface area of the outer sole immediately adjacent and outside the projection area (for example, out of any connection “soul” material or go as described here). The projection areas 112a and 114a can extend below the surface areas of the main outer sole 110c and 110d by a maximum (or highest) distance (Dprojection) of approximately 1 to 15 mm and, in some examples, by a distance of approximately 1.5 to 12 mm or even 1.75 to 10 mm. The height of the Dprojection projection can be the same or different in the forefoot and hindfoot areas, and that projection height can vary around the perimeter of the projection areas 112a and 114a.
[035] The forefoot projection area 112a of this illustrated example is connected to the first main outsole surface area 110c by a flexible web member 116a and the hindfoot projection area 114a of this illustrated example is connected to the second surface area. main outsole 110d by another flexible web member 116b. Although not a requirement, if desired (and as illustrated in these figures), flexible web members 116a and 116b can extend completely around their respective projection areas 112a and 114a. The flexible webs 116a and 116b form portions of the underside of the raised rings 116, described above.
[036] The lower main surface of the midsole component 140 is engaged with the inner main surface 110b of the outer sole component 110, for example, by cements or adhesives, by mechanical connectors and / or in other ways, including in ways conventional as they are known and used in the art. The midsole component 140 can be a single piece or multiple pieces and it can be made of conventional materials as they are known and used in the art, such as polymer foam materials (for example, polyurethane foams, ethyl vinyl acetate foams, vein, filita, etc.). As shown in Figure 1A, the midsole component 140 includes a forefoot opening 140a and a hindfoot opening 140b. The forefoot opening 140a at least partially surrounds the lowered forefoot area 112 and the hindfoot opening 140b at least partially surrounds the lowered hindfoot area 114. The upper main surface 140c of that exemplary midsole component 140 includes a lowered area 142 that extends at least partially around the forefoot opening 140a and the hindfoot opening 140b. The recessed area 142 can be sized and formed to receive and retain the bottom surface of the rigid plate component 150, as will be explained in more detail below.
[037] The openings 140a and 140b help to define chambers to receive and maintain the bladder systems filled with fluid 130 and 120, respectively. As shown in the exemplary structure of Figure 1D, a perimeter edge 130E of the bladder system filled with forefoot fluid 130 does not extend to and / or contact a side edge 144 of the forefoot opening 140a of the midsole component 140 when the bladder filled with forefoot fluid 130 is in an uncompressed condition. Similarly, as shown in the exemplary structure of figure 1E, an edge of the perimeter 120E of the bladder system filled with hindfoot fluid 120 does not extend into and / or contact the side edge 146 of the hindfoot opening 140b of the midsole component 140 when the bladder system filled with reef fluid 120 is in an uncompressed condition. These gaps between the edges of the perimeter 120E and 130E and the side edges 144, 146 of the openings 140a, 140b produce space to allow the fluid-filled bladder systems 120, 130 to deform, for example, when placed in a stressed or loaded condition , for example, when a user steps, lands, jumps, etc. The rim areas 120R and 130R of these exemplary fluid-filled bladder structures represent seam areas (for example, a hot-melt or welded seam) between two portions of the plastic liner used in the manufacture of the fluid-filled balloons of these examples. These rim areas 120R, 130R may or may not be spaced from the side edges 144, 146 of the openings 140a, 140b. Alternatively, if desired, at least some portions of these rim areas 120R, 130R can be cut from the fluid-filled bladder systems 120, 130 before the balloons are mounted on the sole structure 100. The openings 140a and 140b can match generally in size and shape with the bladder system to be received in them, although the openings 140a, 140b may be slightly wider, in order to produce the span described above.
[038] Fluid filled bladder systems 120, 130 can be made in any desired manner and / or from any desired materials including in conventional ways and / or using conventional materials as are known in the art. As shown in figures 1A and 1D, in this illustrated example, the forefoot fluid filled bladder system 130 constitutes a single fluid filled bladder located in the lowered forefoot area 112. The forefoot fluid filled bladder system 130 can have its lower surface fixed to the inner main surface 110b of the outer sole component 110 within the recessed area 112, for example, using cements or adhesives. This bladder system filled with exemplary forefoot fluid 130 is sized and positioned to support the metatarsal head regions of the user's foot (for example, from the head area of the first metatarsal to the head area of the fifth metatarsal of the user's foot). Although a fluid-filled bladder system of any size can be used without departing from this invention, in some exemplary structures, the forefoot fluid-filled bladder system 130 will have a maximum thickness when inflated (and mounted on a sole structure) 1.27 cm (0.5 inches) or less. Like some other potential bands, this bladder system filled with forefoot fluid 130 can have a thickness in a range from 0.635 cm to 2.54 cm (0.25 to 1 inch) (when inflated and mounted on a shoe) in at least least a few examples of that invention.
[039] The hindfoot fluid filled bladder system 120 of this exemplary structure 100, on the other hand, as shown in figures 1A and 1E, includes two stacked fluid filled balloons located in the lowered hindfoot area 114 (vertically stacked and vertically aligned) ). The two stacked balloons can be identical or different from each other. The hindfoot fluid filled bladder system 120 may have its bottom surface attached to the inner main surface 110b of the outer sole component 110 within the recessed area 114, for example, using cements or adhesives. Additionally or alternatively, if desired, the two fluid-filled balloons of system 120 can be attached together, for example, using cements or adhesives. The bladder system filled with hindfoot fluid 120 supports the user's heel (for example, the calcaneus bone and surrounding area). In some sole structures according to aspects of this invention, such a bladder system filled with hindfoot fluid 120 may have a thickness of 1.905 cm (0.75 inches) or less when inflated and mounted on a shoe. Like some other potential bands, this 120-foot fluid-filled bladder system can have a thickness in a range of 1.27 to 3.81 cm (0.5 to 1.5 inches) (when inflated and mounted on a shoe ), or even within a range of 1.588 to 3.175 cm (0.625 to 1.25 inches), in at least some examples of this invention.
[040] The upper surfaces 120S and 130S of fluid-filled bladder systems 120 and 130 of this exemplary structure 100 are sized and formed so that they lie within the recessed area 142 and are flush with (and / or gently contouring in) the upper main surface 140c outside the recessed area 142. If desired, one or more of the individual balloons in the fluid-filled bladder systems 120, 130 may include internal structures (e.g., traction elements) and / or welded or fused connections between its upper and lower surfaces to control the shape of the bladder, for example, in ways that are known and used in the art. As some more specific examples, the shapes of the balloons can be controlled using NIKE “ZOOM AIR” technology (for example, with traction members provided in the balloons filled with fluid) and / or internal welding or bonding technology, such as the technologies described in US Patents 5,083,361, 6,385,864, 6,571,490 and 7,386,946, each of which is incorporated herein entirely by reference.
[041] Figures 1A, 1B, 1D and 1E further illustrate that the recessed area 142 of the midsole component 140 and the upper surfaces 120S and 130S of the fluid-filled bladder systems 120, 130 of this example are at least partially covered (and in this illustrated example, fully covered) by the rigid board component 150. The rigid board component 150 can be made of a suitable hard and rigid material, such as foam-free plastic materials including fiber-reinforced plastic (eg fiber-reinforced composites) carbon, fiberglass, etc.), rigid polymers (eg PEBAX) or the like. The rigid plate component 150 can be sized and formed to lie within the recessed area 142, such that there is a smooth and / or smooth transition at the junction between the upper surface 150S of the rigid plate component 150 and the upper surface 140c of the midsole 140 around the recessed area 142. As a more specific example, the rigid plate component 150 can be approximately 0.317 to 0.952 cm (1/8 to 3/8 inches) thick and, in some examples, approximately 0.317 to 0.635 cm (1/8 to% inches) thick. Also, if desired, the lower surface of the rigid plate component 150 can be attached to the recessed area 142 and / or the upper surfaces 120S and 130S of the fluid-filled bladder systems 120, 130, for example, by cements or adhesives, for example. mechanical or similar connectors. The upper surface 150S of the rigid plate component 150 and the upper surface 140c of the midsole component can be curved, arched and / or otherwise contoured, in order to comfortably support the user's foot (for example, curved in ways in which the upper surfaces of conventional and known medium soles are curved). As some even more specific examples, the rigid plate component 150 (as well as the other rigid plate components described below) can be made of a PEBAX® Rnew 70R53 SP01 material or other rigid material having a hardness of 50 to 80 Shore D and, in some instances, 60 to 72 Shore D (“PEBAX” is a registered trademark for a polyether block starch material available from Arkema).
[042] In this exemplary illustrated structure 100, the rigid plate component 150 constitutes a single contiguous plate member that extends from the rear area of the midsole heel 140 to a location beyond the head region of the first metatarsal of the user's foot and to a location beyond the head region of the user's fifth metatarsal. The rigid plate component 150 in this example also completely covers the upper surfaces 120S, 130S of the two fluid-filled bladder systems 120, 130. The rigid plate component 150 helps to moderate and disperse the load applied to the bladder system (s) filled with fluid and helps prevent punctual loading of fluid filled bladder systems. The gaps between the side walls 144, 146 of the midsole component 140 and the edges 120E, 130E of the fluid-filled bladder systems 120, 130 and the lack of adhesive along these sides improves the sensitivity, efficiency and energy return of that impact attenuation system with fluid filled bladder, moderated with rigid plate and / or sole structure.
[043] In the structure of figures 1A to 1E, fluid filled bladder systems 120, 130 are attached to and between the inner main surface 110b of the outer sole component 110 and the lower surface of the rigid plate 150, but not the midsole 140. This feature allows fluid-filled balloons to expand within the spans provided in openings 140a and 140b, while still maintaining a stable overall sole structure 100. As mentioned above, this feature also helps to improve the sensitivity, efficiency and return energy of the system.
[044] Also, the inclusion of projection areas 112a and 114a in the outer sole component 110 helps to provide a more responsive sole structure 100. As shown in figures 1D and 1E, below the fluid-filled bladder systems 120, 130, the outer sole component 110 projects downward beyond the adjacent base areas of the surrounding outer sole 110c and 110d (dimension Dprojection described above ). The tuned, flexible web structures 116a, 116b allow the outsole component 110 to flex more easily up and down in the projection areas 112a, 114a. These characteristics, along with the general rigid plate component 150, return energy to the user's foot as the user steps into the projection areas 112a, 114a and begins to lift the foot, which produces kickback, sensitivity and the feeling of a driving force.
[045] The rigid plate component 150 may include other characteristics that help to produce the kickback energy, sensitivity and propelling sensation for the sole structures according to at least some examples of this invention. Although the rigid plate component 150 may be relatively flat, in some exemplary structures according to the invention, it will include a curved arc area.
[046] This characteristic is illustrated schematically in figures 1F and 1G. Figure 1F shows an inverted view of a foot 160 on a rigid plate member 150, for example, as shown in figures 1A and 1B and figure 1G shows a side view. Locations A, B and C (see also figure 1B) show where the rigid plate component 150 supports the head of the first metatarsal (location A), the head of the fifth metatarsal (location B) and the rear of the heel (for example , calcaneus) (location C). One or more of these locations A, B, C can be subjected to downward force when the user's foot 160 places weight on the shoe (for example, during a step, when landing a heel, when pressing to start a heel, etc.) . As shown in figure 1G, the rigid plate component 150 can be arched in the direction of the heel for the fingers and / or in the direction of the medial face to the lateral face.
[047] If the rigid plate component 150 is slightly arched upwards (for example, as shown a little exaggerated in figure 1G), sufficient downward force on the rigid plate component 150 will cause the plate 150 to flatten slightly, particularly when sufficient force is present in both the forefoot and hindfoot portions of the plate 150. Such force is shown in figure 1G by the downward force arrow 162. The downward force 162 can cause the rigid plate component 150 to flatten on either or both the direction of the heel to the toe and / or the direction from the medial to the lateral. Due to its rigid character and curved construction, the rigid plate component 150 can act as a spring, so that when the downward force 162 is sufficiently reduced or released, the rigid plate component 150 will endeavor to return to its shape and non-stressed (not flattened) condition, thereby causing a retraction or retraction force, shown in figure 1G by the upward force arrows 164. This retraction or retraction force 164 produces additional retraction energy, sensitivity and a propelling sensation for sole structures according to examples of the invention which include a curved rigid plate component 150.
[048] In the structures described above together with figures 1A to 1E, the projection areas 112a and 114a of the outer sole component 110 are engaged with the base portions 110c and 110d, respectively, of the outer sole component 110 by souls flexible 116a and 116b, respectively, which extend around the entire perimeter of the projection areas 112a and 114a. This is not a requirement. In addition, as illustrated in figure 1H (which is a view similar to figure 1C described above), the flexible web areas 116a and / or 116b can be discontinuous around the perimeter of the projection areas 112a and 114a. Open spaces 170 can be produced around the perimeter of projection areas 112a and 114a between adjacent web areas 116a and 116b. Figures 1I and 1J show sectional views similar to figures 1D and 1E, respectively, except showing the section in areas where open spaces 170 are provided in flexible web areas 116a and 116b.
[049] Any number of separate web areas 116a and / or 116b and open spaces 170 can be provided around the perimeter of the projection areas 112a and / or 114a without departing from this invention. In some exemplary constructions, at least 25% of the perimeter length around the respective projection area 112a, 114a will include the flexible web area and at least 40% of that perimeter length or even at least 50% of that perimeter length can constitute the flexible core area in some examples.
[050] As yet another example, if desired, one or more of the flexible web areas 116a and 116b around a projection area 112a and / or 114a can be completely omitted, that is, so that the projection areas 112a and / or 114a of the outer sole are separate components from the outer sole component (s) that make up the base areas 110c and / or 110d, respectively. The projection area 112a and / or 114a can further project out of the base areas by a desired distance (for example, Dprojection described above). In such a structure, the projection area (s) 112a and / or 114a can be fixed to the remainder of the sole structure in any desired manner; such as by fixing the projection areas 112a and / or 114a with the fluid-filled bladder systems 120, 130 overlying it, by fixing the fluid-filled bladder systems 120 and 130 with the plate component 150 and by fixing the plate 150 with midsole component 140. Alternatively, plate component 150 can be attached, for example, to the upper (for example, to a sole member, as described in more detail below). The various parts can be fixed together in any desired way, including through the use of cements or adhesives and / or through the use of mechanical connectors.
[051] If necessary or desired, in structures in which flexible souls 116a and / or 116b are discontinuous or omitted, a membrane or other structure can be provided, for example, within openings 140a and / or 140b, to help prevent water, moisture, fragments or other foreign objects to penetrate the sole structure and / or enter the shoe's inner chamber.
[052] Figures 2A and 2B illustrate an exemplary alternative sole structure 200 in accordance with that exemplary aspect of the invention. The main difference between this exemplary sole structure 200 and the one shown in figures 1A to 1E refers to the bladder system filled with hindfoot fluid 220. Instead of the stacked fluid filled balloons shown in figures 1A and 1E (for example, balloons filled with NIKE “ZOOM AIR” fluid), in this exemplary structure 200, the hindfoot fluid filled bladder system 220 includes a single fluid filled bladder received at opening 140b within midsole component 140. The upper surface 220S such a fluid-filled bladder system 220 can be attached to the lower surface of the rigid plate component 150, for example, using cements or adhesives. Likewise, the bottom surface of this fluid-filled bladder 220 can be attached to the inner main surface 110b of the outer sole component 110, in the area of the recess 114, for example, using cements or adhesives. The side edges 220E of this fluid filled bladder system 220 can be spaced from the side edges 146 of the hindfoot opening 140b to allow space for bladder expansion 220, for example, as discussed above. The fluid filled bladder system 220 will generally function in the same manner as described above for fluid filled bladder system 120. Also, fluid filled bladder 220 may include traction elements, internal welds and / or other structures to help control and maintain your shape.
[053] Figures 1D, 1E, 1I, 1J and 2B illustrate constructions in which there is a gap between a perimeter edge 120E, 130E and 220E of a fluid-filled bladder and an inner edge 144 and 146 of the midsole component 140 in openings 140a and 140b. The span can be of any desired size and / or volume without departing from this invention, as long as adequate volume is provided to accommodate changes in the shape of the midsole and / or fluid-filled bladder component when a compressive force is applied to the structure sole. Figure 2C illustrates an exemplary structure according to at least some examples of this invention, in which portions of the bladder edge filled with fluid 220E extend to and even touch portions of the edge 146 of the midsole component 140 within the opening area 140b (a similar lateral edge construction and contact between bladder edges and the edge of aperture 144 could be used in the forefoot opening 140a, if desired). In the exemplary structure illustrated in Figure 2C, some spaces 230 are produced near the upper, central and / or lower areas of the fluid filled bladder system 220 to accommodate deflection and / or changes in the size of the fluid filled bladder system 220 and / or midsole component 140.
[054] Figures 3A to 3D illustrate an exemplary shoe item 300 including a sole structure 100 such as those described above in conjunction with figures 1A to 2C. Figure 3A shows a view of the side face of the shoe 300, figure 3B shows a view of the medial face and figures 3C and 3D are section views in locations like those shown in figures 1D, 1E and 2B, but with at least minus some of the upper part of the shoe 302 and other component parts also shown. Although the sole structure shown in figures 3A to 3D corresponds more specifically to that shown in figures 1A to 1E, those skilled in the art, given the benefit of this disclosure, will recognize that the sole structures in figures 2A to 2C could also be used in footwear, for example, of the type shown in figures 3A to 3D, without departing from this invention.
[055] The upper part 302 can have any desired construction and can be made of any desired number of parts and / or materials (connected in any desired way), including conventional constructions, parts and / or materials as are known and used in the art of footwear. The upper part 302 can be designed to provide regions with desired characteristics, such as regions with greater durability and / or abrasion resistance, regions of greater breathability, regions of greater flexibility, regions with desired levels of support, regions with desired levels of softness or comfort, etc. As shown in figures 3A and 3B, the upper part 302 includes an ankle opening 304 and one or more lashing systems 306 (such as laces, straps, buckles, etc.) to secure footwear 300 to a user's foot. A tongue member 308 can be provided over the instep area of the shoe 300 to help moderate the feel of the mooring system 306 on the wearer's foot.
[056] As best shown in figures 3C and 3D, in this exemplary structure 300, the lower edges 302a of the upper part 302 are joined by a sole member 310 that insulates the bottom of the general upper part 302. This union can be made, for example, sewing the upper edges 302a on the sole member 310 or in any other desired manner, for example, as is known and used in the art. The sole member 310 and the upper part 302 of this exemplary construction form a foot receiving chamber accessible through the ankle opening 304. The upper part 302 and the sole member 310 can be engaged with the sole structure 100, for example , by gluing or otherwise by fixing the upper part 302 and sole 310 on the midsole component 140 (for example, on the side and / or upper surfaces of the midsole component 140) and / or the rigid plate component 150 (for example , on its upper surface). As still shown in figures 3C and 3D, the upper foot receiving chamber 302 may still include a sock liner 312 (also called an "insole"). Although it can be attached inside the foot receiving chamber, the sock liner 312 can also simply be on top of the sole member 310. The sock liner 312 can be made of a comfortable, soft material (for example, a material foam) to provide a smooth, comfortable surface to engage the user’s foot.
[057] Alternatively, if desired, one or more of the sole member 310, the sock lining 312 and / or the tongue member 308 can be replaced by an inner boot member or other structure to receive the user's foot. As another option, for example, as shown in figures 3A and 3B, the area around the ankle opening 304 can be produced with a comfortable, soft fabric element 316, to create a comfortable fit for the user's foot when the system mooring is tight.
[058] In the sole structure 100 shown in Figure 3A, the side face of the outer sole 110 includes a raised side edge 110L that extends around and supports the side surface of the midsole component 140 along the forefoot area / lateral midfoot (for example, along the face of the head region of the fifth metatarsus). This side edge 110L produces additional support for the lateral side of the foot, for example, during a cutting or turning action. The front of the outer sole 110 also extends upward to form a 110T toe type structure (for example, to provide durability and abrasion resistance in the toes). The outsole 110 can wrap around at least some side areas of the midsole component 140 in any desired locations to produce a larger area for a secure and durable connection to the midsole component 140 and / or to provide greater support.
[059] Figures 4A and 4B illustrate top and bottom views, respectively, of another exemplary midsole component 400 that can be included in the sole structures according to at least some examples of that invention. As shown in Figure 4A, that exemplary midsole component 400 includes an upper main surface 402 with a forefoot opening 404 and a hindfoot opening 406 defined therein to receive fluid-filled bladder systems (or potentially other impact attenuation systems) , such as foam materials). Recessed areas 408 are produced on the upper main surface 402 which extend at least partially around the openings 404, 406 to receive the rigid plate components as will be described in more detail below. Although described as through holes, openings 404 and / or 406 can be blind holes that extend only partially through the material of the midsole component 400, if desired. The upper surface 402 of the midsole component 400 may further include a blind hole 410, for example, for receiving an electronic module for measuring athletic performance associated with the use of the shoe item including that midsole component 400. Electronic modules of this type for inclusion in footwear are known and commercially available, as are the electronic modules used in NIKE + ™ systems.
[060] Figure 4A shows additional features that can be included in the midsole components 400 according to at least some examples of that invention. The recessed area 408 around the hindfoot opening 406 in this exemplary structure 400 includes cutout areas 412 that extend near the bottom of the midsole component 400 (but not all the way through the midsole component 400, although they could extend all the way, if desired). These cutout areas 412 align with the through holes produced in the side wall of the midsole component 400 (shown as dashed lines in figure 4A) which, in turn, provide visual access to the inside of the midsole component 400 from the outside of the sole structure. This feature will be described in more detail below in conjunction with figures 5B and 5C.
[061] The lower main surface 420 of the midsole component 400 of this example includes recessed rims 422 around the openings 404, 406, for example, to produce a receptacle for receiving the raised rim 116 of the outsole component 110, as shown in figure 1A. The lower main surface 420 of the midsole component 400 can be joined to an outer sole component, for example, as the component 110 shown in figure 1A.
[062] This lower main surface 420 of this exemplary structure 400 still includes a recessed area 424 in the arch or midfoot region. This recessed area 424 can be sized and formed to receive a correspondingly shaped and formed arch support member, such as a polyether or carbon fiber block amide arch support plate. The recessed area 424 can be of an appropriate depth (for example, 0.317 cm to 0.635 cm (1/8 inch to% inch)), such that the support plate fits in it in a level, smooth manner, creating a level and general smooth joint between these parts.
[063] Figures 5A to 5D show top, side, medial and bottom views, respectively, of a sole structure 500 including a midsole component 400 of the types described above in conjunction with figures 4A and 4B. This exemplary sole structure 500 includes a full bladder system with forefoot fluid 130 and a full bladder system with hindfoot fluid 120 of the types described above in conjunction with figures 1A to 1E, although variations in the overall structure, including variations in number of balloons, are possible without departing from this invention (for example, sole structures according to the invention may have only a forefoot bladder or only a hindfoot bladder, if desired).
[064] A major difference between the sole structure 500 of this illustrated example and those of figures 1A to 2C concerns the rigid plate component. Although figures 1A to 2B show a single rigid plate member 150, in this illustrated sole structure 500, the rigid plate component includes a rigid forefoot plate member 502 and a separate rigid hindfoot plate member 504. A gap is produced between the rigid forefoot plate member 502 and the rigid hindfoot plate member 504 in the arch / midfoot area, as shown in figure 5A. The rigid plate members 502, 504 fit within the recessed areas 408 produced on the upper main surface 402 of the midsole component 400, as described above. Rigid plate members 502, 504 (for example, made of hard plastic, fiber-reinforced plastic, polyether block amides, etc., as described above) can be attached to the recessed area 408 and / or the upper surfaces of fluid-filled bladder systems 120, 130, for example, by cements or adhesives or other desired connection systems.
[065] An additional support in the arch area is provided in this exemplary sole structure 500 by the outer arch support plate 506 which extends through the arch area from the lateral outer face of the midsole component 400 to the medial outer face of the midsole component 400. Notably, in this exemplary structure 500, the arch support plate 506 is provided on the lower main surface 420 of the midsole component 400, the surface opposite to the location where the rigid plate members 502, 504 are mounted. The arch support plate 506 is mounted within the recessed area 424 produced on the lower main surface 420 of the midsole component 400 (see figure 4B), and it is partially covered by the outer sole component 110 (the covered portion being shown in lines dashed in figures 5B to 5D). This arch support plate 506 can be made of any desired material, such as hard polymer materials (eg PEBAX® polyether block amide materials), fiber reinforced polymer materials (eg fiber carbon, fiberglass, etc.), metal materials, etc. If desired, the arch support plate 506 can be located, sized and / or modeled so as to provide at least some of the propelling or spring return effect described above in conjunction with figures 1F and 1G.
[066] Providing a rigid forefoot plate component 502 separate from the rigid hindfoot plate component 504 can increase the flexibility of the overall sole structure 500 and at least slightly separate the flexion and movement of the hindfoot area from forefoot area. This separation can improve the overall comfort and feel of the shoe, when the user steps (and the weight shifts from the heel to the forefoot) and produces a more natural movement and sensation. The optional arch support plate 506 can provide additional stability and its location outside the midsole component 400 can improve the overall feel and comfort of the sole structure 500, particularly in the midfoot area.
[067] Figure 5A shows additional features that can be provided in the sole structures according to at least some examples of this invention. In that illustrated sole structure 500, the rigid forefoot plate 502 includes a groove 502a that separates a support region of the first metatarsal 502b from a support region of the fifth metatarsal 502c (and optionally from other support areas of the metatarsus). Additionally, as shown, the support region of the first metatarsal 502b extends forward to support all or substantially the entire area of the user's big toe. The groove 502a leaves a small portion of the upper surface of the bladder system filled with forefoot fluid 130 exposed on the upper main surface 402 of the midsole component 400. Similarly, the rigid hindfoot plate 504 includes a groove 504a on the rear heel area that separates the medial support region of the heel 504b from the lateral support region of the heel 504c. The groove 504a leaves a small portion of the upper surface of the bladder system filled with hindfoot fluid 120 exposed on the upper main surface 402 of the midsole component 400.
[068] Areas with groove 502a and / or 504a in the forefoot and hindfoot plate components 502, 504, respectively, can increase the flexibility of the entire structure of the sole 500 and separate at least a little the flexion of the lateral face of the foot of the medial side of the foot. During walking, running, or other walking activities, a person will typically land a step on the side of the heel of the shoe, and as the step continues, the force of the weight will move from the side of the foot to the medial side of the foot and to front where the separation from the ground occurs in the area of the big toe (on the medial side of the foot). This process is called "pronation". Slots 502a and / or 504a help to reduce the overall hardness of the sole structure 500 and improve comfort and feel during a step cycle as the weight shifts from the side to the medial side of the foot. This results in a more natural movement and sensation during a stride cycle.
[069] Figures 5B and 5C additionally show the cutout areas 412 of the midsole component 400 extended through the side walls of the midsole component 400, thereby opening a through hole or window into the midsole component 400 where the system bladder filled with hindfoot fluid 120 is mounted. In this way, the hindfoot fluid filled bladder system 120 can be partially seen from the outside of the sole structure 500. If desired, the fluid filled bladder system 120 can be colored differently from other characteristics of the sole structure, so that the bladder system 120 is distinguishable and is more clearly visible from the outside of the sole 500 through the cutout areas 412. The outer areas of these through holes can adopt any desired size, shape and characteristics without departing from this invention. In addition to producing an inward window and an interesting aesthetic appearance for the sole structure 500, through holes can help lighten the midsole component 400 a little and help control and / or tune the component's flexibility and support characteristics midsole 400.
[070] If desired, according to at least some examples of this invention, the outer sole component 110 may be made of a transparent or translucent material (or a partially transparent or translucent material, for example, a colored polymer component, however clear or substantially clear). When done in this way, the color of the underlying midsole component 400, the arch support member 506 and / or fluid-filled bladder systems can be seen through the bottom surface of the outer sole component 110. If desired, the surfaces bottom of one or more of the fluid filled bladder systems 120, 130 can be made of material having a color different from that of the lower surface of the midsole component 400, so that the fluid filled balloons 120, 130 and the midsole component 400 can be distinguished from each other through the bottom of the outer sole component 110 (for example, assuming that balloons filled with fluid 120, 130 are mounted on the outer sole component 110 through openings 140a, 140b fully extended through the midsole 400). For example, in the view shown in figure 5D, the color (s) in the projection areas 112a and 114a may be different from the color (s) in the locations of the outsole component 110 directly covering the midsole component 400 due to the ability to see the bottom of the balloons filled with fluid 120, 130 through the outer sole component 110. Likewise, if desired, the arch support member 506 can be made of material having a different color (at least on its lower surface) from that from the lower surface of the midsole component 400, so that the support member 506 and the midsole component 400 can be distinguished from each other through the bottom of the outsole component 110. As a more specific example, in the view shown in the figure 5D, the color (s) in an outer sole area covering the arch support member 506 may be different from the color (s) in the locations of the outer sole component 110 directly covering the midsole component 400 due to the capacity to see the bottom of the support member 506 through the outer sole component 110. The lower surfaces of the support member of the arch 506 and balloons filled with fluid in the projection areas 112a and 114a can be the same or different colors.
[071] Figure 5E illustrates other characteristics of the exemplary plate members 512 and 514 that can be used in place of the plate components 502 and / or 504 described above. More specifically, these illustrated plate components 512 and 514 eliminate the relatively large groove areas 502a and 504a shown in plate constructions 502 and 504 of figure 5A. Alternatively, if desired, the forefoot plate 512 of figure 5E could be used with the hindfoot plate 504 of figure 5A or the forefoot plate 502 of figure 5A could be used with the hindfoot plate 514 of figure 5E. Notably, the exemplary forefoot plate structure 512 of Figure 5E includes an extended thumb support area 502b, although this projection could be omitted (or the entire upper edge of the plate could be made to curve more smoothly) without departing from this invention. .
[072] Figures 6A and 6B illustrate views of the lateral and medial face, respectively, of a shoe article 600 including sole structures 500 like those of figures 5A to 5E incorporated therein. Footwear 600 includes an upper component 602, which can be made of one or more component parts, engaged with the sole structure 500. The upper part 602 and the sole structure 500 can have any of the desired characteristics and / or combination of features described above, including the features and / or combination of features of the upper limb 302 described above in conjunction with figures 3A to 3D.
[073] The midsole component 400 in the example of the exemplary sole structure 500 shown in figures 6A and 6B further includes one or more rear through holes in the heel 430 through which a portion of the upper part 602 is exposed. In addition to providing an interesting aesthetic appearance for the sole structure 500, the rear through hole (s) 430 can help lighten the midsole component 400 a little and help control and / or tune the component's flexibility and support characteristics midsole 400.
[074] Figure 7 illustrates another exemplary sole structure 700 according to at least some aspects of this invention. As shown in figure 7, that exemplary sole structure 700 includes an outer sole component 710 including an outer main surface 710a and an inner main surface 710b. The outer sole component 710 can be made of any desired material, including the materials described above for the outer sole component 110 (such as transparent or translucent materials) and / or conventional outer sole materials as are known and used in the art. Although not shown in the exemplary structure 700 of Figure 7, if desired, the inner main surface 710b of the outer sole component 710 may include one or more elevated areas (such as the elevated ribs 116) defining a space for receiving one or more bladder systems filled with fluid, for example, as the double stacked fluid filled bladder system 720 shown in figure 7.
[075] The inner main surface 710b of the outer sole component 710 is engaged with a midsole component 740, for example, by adhesives or cements. The midsole component 740 of this example can have any desired characteristics or properties, including any of the characteristics or properties of the midsole components 140 and 400 described above. This exemplary midsole component 740 includes at least one receptacle area 740a, which can be of any desired size or shape (for example, located in a forefoot area to support at least some of the metatarsal head and / or toes) a user, located in a hindfoot area to support the user's heel, a single bladder filled with fluid that extends from the heel area to the midfoot or antipod area of the sole structure, etc.). The base surface 742 can at least partially surround the area of the receptacle 740a, and at least some portions of that base surface 742 can be lowered slightly into the upper main surface of the midsole component 740. If desired, the midsole component 740 may include separate receptacle areas of forefoot and hindfoot 740a. Also, the receptacle areas 740a can constitute complete through holes as shown in figure 7 or they can constitute blind holes (for example, in which a layer of the midsole component 740 or midsole material is provided at the bottom of the receptacle area 740a covering the inner main surface 710b of the outer sole component 710).
[076] As mentioned above, a bladder system filled with fluid 720 is received in the area of receptacle 740a. In contrast to the structures described above in conjunction with figures 1A to 6B, in that exemplary sole structure 700, an upper surface 720S of the fluid-filled bladder system 720 extends above the base surface 742 of the midsole component 740 when the sole structure 700 is in an uncompressed condition. The maximum distance or height in an uncompressed state (high area) can vary from approximately 1 to 15 mm and, in some instances, from approximately 1.5 to 12 mm or even from 1.75 to 10 mm. The height of the raised area The raised area can be the same or different in the forefoot and hindfoot areas and this height can vary around the perimeter of the receptacles.
[077] Finally, as shown in figure 7, this exemplary sole structure 700 includes a rigid plate component 750 having a lower main surface 750S overlapping and engaging the upper surface 720S of the bladder system filled with fluid 720. The plate component rigid 750 can have the structure and / or other characteristics of any of the rigid plate components 150, 502 and / or 504 described above, including the various slot structures 502a, 504a described above. Although not a requirement, if desired, the rigid plate component 750 can be attached to the upper surface 720S of the bladder system filled with fluid 720, for example, by cements or adhesives, by mechanical connectors, etc. As shown in Figure 7, edges of the 750E perimeter of the rigid plate component 750 extend beyond the edges 720E of the fluid filled bladder system 720 and over the base surface 742 of the midsole component 740. Notably, however, in this exemplary structure 700, the lower main surface 750S of the rigid plate component 750 does not contact the base surface 742 of the midsole component 740 when the sole structure 700 is in an uncompressed condition. In addition, the edges of the 750E perimeter of the rigid plate component 750 “hang over” the base surface 742 when the sole structure 700 is in an uncompressed condition, thereby defining a space 760 between the edges of the 750E perimeter and the surface base 742. If desired, however, a portion of the base surface 742 (for example, the extreme outer edges) can extend up to and contact the lower main surface 750S of the rigid plate component 750 when the sole structure 700 is in an uncompressed condition, while still leaving some portion of the space 760 in the structure 700.
[078] Space 760 provides additional / different impact force attenuation properties for the sole structure 700 of this exemplary construction. When a downward force 762 is applied to the rigid plate component 750 (for example, by a user's step, landing a jump, etc.), the rigid plate component 750 will shift downwards by compressing the fluid-filled bladder system 720. The span 760 allows this movement to occur without the need to further compress any midsole foam material, thereby resulting in a more comfortable, somewhat softer feel. If necessary, the base surface 742 can act as a "stop" system to stop or reduce system compression and bladder filled with fluid 720 and prevent excessive system compression. Because the fluid-filled bladder system 720 of this exemplary sole structure 700 includes a gas under pressure in the sealed bladder envelope, the fluid-filled bladder system 720 quickly retracts and attempts to return to its original configuration. This action applies an upward force to the rigid plate component 750, which is shown in figure 7 by arrows 764. The general sole structure 710 provides a soft, comfortable feel for the user, excellent attenuation of the impact force, sensitivity and a desired thrust return or 764 kickback force to the user's foot.
[079] Sole structures 700 of the types illustrated in figure 7 may include a single fluid-filled bladder system (for example, in the forefoot, in the hindfoot, covering at least some areas of both the forefoot and the hindfoot, a support bladder standing, etc.). Alternatively, if desired, sole structures of the types illustrated in Figure 7 may include multiple fluid-filled bladder systems (for example, vertically stacked, horizontally arranged, etc.) and / or multiple rigid plate components, for example, of the types illustrated in figures 5A to 5E. As an alternative yet, if desired, sole structures of the types illustrated in figure 7 can include multiple fluid-filled bladder systems and a single rigid plate component, for example, of the types illustrated in figures 1A to 2C. As an alternative, if desired, in any of the sole structures described above, a single fluid-filled bladder system may have multiple rigid plate components covering it. Any desired numbers and combinations of fluid filled bladder systems and rigid plate components can be used without departing from this invention, including more than two fluid filled bladder systems and plate components.
[080] Figures 8A and 8B illustrate exemplary sectional views of a shoe article 800 incorporating the feature of the impact attenuation space 760 of the sole structure 700 described above together with figure 7. The exemplary upper part 802 shown in figures 8A and 8B can be the same or similar to those described above in conjunction with figures 3A to 3D. The structure shown in figure 8A can be provided, for example, in a forefoot area of a shoe structure (for example, as described above in conjunction with figures 1A to 1D, 3C and 4A to 6B) and the structure shown in figure 8B can be provided, for example, in a rear area of a shoe structure (for example, as described above in conjunction with figures 1A to 1C, 1E and 3D to 6B). Also, if desired, the stacked bag fluid filled bladder system 720 shown in figure 8B can be replaced by a single fluid filled bladder system, for example, as shown in figure 2B. Also, the outer sole structure 880 shown in figures 8A and 8B includes projection areas and raised rims more similar to the outer sole structures 110 described above in conjunction with the figures, 1A to 6B, although an outer sole construction like the one shown in figure 7 (for example, one without the projection areas of the outer sole) can be used under at least some of the bladder areas filled with fluid without departing from this invention.
[081] The upper part 802 may have any desired construction and may be made of any desired number of parts and / or materials (connected in any desired manner), including conventional constructions, parts and / or materials as are known and used in the art of the footwear. The upper 802 can be designed to provide regions with desired characteristics, such as regions with greater durability and / or abrasion resistance, regions with greater breathability, regions with greater flexibility, regions with desired levels of support, regions with desired levels of softness or comfort, etc. Like the example shown in figures 3A and 3B, the upper part 802 may include an ankle opening and one or more lashing systems (such as laces, straps, buckles, etc.) to secure footwear 800 to the user's foot. An 808 tongue member can be provided over the instep area of the shoe 800 to help moderate the feel of the user's foot lashing system.
[082] As still shown in figures 8A and 8B, in this exemplary structure 800, the lower edges 802a of the upper part 802 are connected together by a sole member 810 that insulates the bottom of the general upper part 802. This connection can be made, for example, sewing the edges of the upper part 802a of the sole member 810, or in any other suitable manner desired, for example, as is known and used in the art. The sole member 810 and the upper part 802 of this exemplary construction form a foot receiving chamber accessible through the ankle opening. The upper part 802 and the sole member 810 can be engaged with the sole structure 810, for example, by gluing or otherwise by attaching the upper part 802 and the sole 810 to the midsole component 740 (for example, on the surfaces and / or upper sides of the midsole component 740) and / or the rigid plate component 750 (for example, on its upper surface). As still shown in figures 8A and 8B, the top foot receiving chamber 802 may still include a sock liner 812. Although it can be attached within the foot receiving chamber, the sock liner 812 can simply be in above the sole member 810 (and thus can be easily removed from the foot receiving chamber). The sock liner 812 can be made of a comfortable, soft material (for example, a foam material), to produce a comfortable, soft surface for engaging the user's foot.
[083] Alternatively, if desired, one or more of the sole member 810, the sock liner 812 and / or the tongue member 808 can be replaced by an inner boot member or other structure to receive the user's foot. As another option, for example, with the structure shown in figures 3A and 3B, the area around the ankle opening of this exemplary upper part 802 can be provided with a comfortable, soft fabric element 316, to make a comfortable fit on the foot of user.
[084] Figures 9A and 9B illustrate section views of the hindfoot and forefoot, respectively, of another exemplary sole structure construction according to at least some examples of this invention. These hindfoot and forefoot structures can be used in a single shoe construction, if desired. Alternatively, any of these structures can be used individually and / or in conjunction with any of the other components of the sole structure or constructions described above in conjunction with figures 1A to 8B. More detailed descriptions of these constructions are provided below.
[085] Figure 9A shows an illustration of a heel or hindfoot portion of a sole structure 900 in accordance with that exemplary aspect of this invention. As shown, this sole structure 900 includes an outer sole component 910 that has an outer main surface 910a and an inner main surface 910b. In this exemplary illustrated structure 900, the outer sole component 910 does not include the projection areas described above, for example, with respect to figures 1A to 6B, 8A and 8B, but a projection area could be provided, if desired.
[086] A midsole component 940 is engaged with the main inner surface 910b of the outsole component 910. As illustrated in figure 9A, that exemplary midsole component 940 includes an opening 940b defined therein (which can be a blind hole or a through hole). A bladder system filled with hindfoot fluid 920 is located at least partially within the opening 940b and, in this example, is engaged with the inner main surface 910b of the outer sole component 910 within the opening 940b. A rigid plate member 950 at least partially overlaps an upper surface 920S of the fluid filled bladder system 9 such that the upper surface 920S of the fluid filled bladder system 920 and the lower surface 950S of the plate member 950 are in contact to each other (and optionally attached together, for example, by adhesives) when that portion of sole structure 900 is in an uncompressed condition.
[087] Figure 9A further illustrates that in this exemplary structure 900, the edges of perimeter 950E of the rigid plate member 950 extend over (and optionally contact) a base surface 942 provided on the upper main surface of the midsole component 940. If If desired, the rigid plate member 950 can be attached to the midsole component 940 in that perimeter area, for example, by adhesives.
[088] As still shown in figure 9A, a lower surface of the midsole component 940 adjacent to the inner wall 946 of the opening 940b includes a lower cut area 948 that defines a gap between at least a portion of the lower surface of the midsole component 940 and the inner main surface 910b of the outer sole component 910. Although the lower cut area 948 can define any desired size, shape and / or volume without departing from that invention, in this exemplary structure illustrated, the lower cut area 948 is generally disk-shaped and has a higher or maximum height (lower cut) within a range of 1 to 15 mm when that portion of the sole structure 900 is in an uncompressed condition and, in some instances, a maximum height of 1 , 5 to 12 mm or even 1.75 to 10 mm when that portion of the sole structure 900 is in an uncompressed condition. Also, the lower cut area 948 may extend completely around an inner perimeter area of aperture 940b or partially around the inner perimeter area of aperture 940b. As another example, if desired, the lower cut area 948 can be discontinuous around the inner perimeter of aperture 940b (for example, present in several separate segments).
[089] In use, when a compressive force 962 is applied between the rigid plate member 950 and the outer main surface 910a of the outer sole component 910, the lower cut 948 or the height of the span (lower cut) reduces in height ( for example, at least partially collapses). If necessary, the lower cutting area 948 can also provide space for deflection and changes in the shape of the bladder 920 and / or the midsole component 940. The fluid-filled bladder 920 produces kickback energy, sensitivity and the feeling of a propelling force .
[090] Figure 9B shows a portion of similar sole structure 960, but sized and formed more for use in a forefoot area of a general sole and / or shoe structure. The same reference numbers are used in figure 9B as in 9A to represent the same or similar parts, so the corresponding description is omitted. In this exemplary illustrated structure 960, the outer sole component 910 does not include the projection areas described above, for example, with respect to figures 1A to 6B, 8A and 8B, but a projection area could be provided, if desired. Also, in this illustrated example, although the bottom cut area 948 can define any desired size, shape and / or volume without departing from this invention, in this exemplary structure, the bottom cut area 948 is generally disk-shaped and has a highest or maximum height (lower cut) within a range of 1 to 15 mm when that portion of sole structure 960 is in an uncompressed condition and, in some instances, a maximum height of 1.5 to 12 mm or even even 1.75 to 10 mm when that portion of the 960 soleplate is in an uncompressed condition. Also, the lower cut area 948 may extend completely around an inner perimeter area of aperture 940b or partially around the inner perimeter area of aperture 940b. As another example, if desired, the lower cut area 948 can be discontinuous around the inner perimeter of opening 940b (for example, present in several separate segments). The sole structure 960 of figure 9B can operate in a manner similar to that described above for the sole structure 900 of figure 9A.
[091] Figures 9A and 9B show the lower cut regions 948 located on a lower surface of the midsole component 940 around the perimeter of the opening 940b (that is, with the opening for the lower cut region 948 provided on the inner wall 946 of the opening 940b of the midsole component 940). This is not a requirement. In addition, if desired, the lower cut region 948 could be provided at other locations along the inner wall 946 of the midsole component 940, for example, such that the midsole material defines both the upper and lower surfaces of the lower cut region 948. As some more specific examples, if desired, the lower cut region 948 could be provided in the center of the inner wall 946 or in the lower half of the inner wall 946.
[092] The lower cut area (s) 948 and the span (s) described above in conjunction with figures 9A and / or 9B can be used in any of the sole structures described above in combination with any of the structure structures sole described above or as a replacement for at least some of the sole structures described above. In addition, the lower cut area (s) 948 and the span (s) described above in conjunction with figures 9A and / or 9B and the sole structures containing such lower cut area (s) 948 and span (s) can be used in conjunction with any desired upper construction, including the upper construction described above. As additional alternatives, if desired, the sole structure portions of figures 9A or 9B can be used individually in a given sole or shoe structure, for example, with other conventional impact force mitigating components provided in other areas or regions of the sole or shoe structure.
[093] Figures 10A to 10C illustrate features of additional sole structures according to at least some examples of that invention. Figure 10A shows a bottom view, Figure 10B shows a side view and Figure 10C shows a sectional view of the plate member 1050. In the exemplary sole structure 1000 shown in these figures, the midsole and outsole components for the forefoot are separated from the midsole and hindfoot outsole components, as will be described in more detail below.
[094] More specifically, as shown in figures 10A and 10B, this exemplary sole structure 1000 includes a forefoot outsole component 1010 including an outer main surface 1010a and an inner main surface located opposite the outer main surface (and inside the general sole structure 1000). A 1040 forefoot midsole component is engaged with the inner main surface of the 1010 forefoot outsole component. This 1040 forefoot midsole component includes a forefoot receptacle defined therein (for example, the through hole or a blind hole) and this receptacle can adopt any of the shapes, structures and / or characteristics described above. A bladder system filled with forefoot fluid can be provided at least partially within the forefoot receptacle, for example, in any of the ways described above. This forefoot 1010 outsole component and its various component parts described above may adopt any of the general shapes, structures and / or characteristics of the outsole components described above in conjunction with figures 1A to 9B, including a projection area 1012, as shown in dashed lines in figure 10B.
[095] As shown in figures 10A and 10B, that forefoot 1010 outsole component includes a rigid plate member 1050 and that rigid plate member 1050 includes a portion that at least partially overlaps the bladder system filled with forefoot fluid inside the midsole component 1040, for example, in any of the various ways described above. In contrast to the other sole structures described above, however, in that sole structure 1000, the rigid plate member 1050 includes a portion located under the forefoot sole component 1010 (for example, at least partially overlapping the midsole component forefoot 1040 and the bladder filled with fluid contained in the receptacle in it) and a portion located outside the forefoot sole component 1010. Notably, as shown in the exemplary structures of figures 10A and 10B, the lower surface 1050a of the limb of rigid plate 1050 is exposed and forms a bottom surface of the entire sole structure 1000 in an arc area of the sole structure (i.e., in a location behind the forefoot sole component 1010).
[096] The sole structure 1000 of this illustrated example even includes a 1060 hindfoot impact attenuation system to attenuate soil reaction forces in a heel area of the sole structure 1000. In some exemplary sole structures 1000 in accordance with aspects of this invention, this 1060 hindfoot impact attenuation system may take a conventional shape (for example, different from the various hindfoot systems described above in conjunction with figures 1A to 9A), such as impact mitigation systems including a or more balloons filled with fluid (without a rigid plate cover member), impact attenuation systems including one or more foam components, impact attenuation systems including two or more foam column elements, attenuation system of impact including one or more mechanical impact absorbing elements, etc.
[097] Alternatively, as shown in figures 10A and 10B, however, in this exemplary sole structure 1000, the hindfoot impact attenuation system 1060 includes a hindfoot outer sole component 1062 separate from the forefoot sole component. 1010a and a hindfoot midsole component 1064 separate from the forefoot midsole component 1040. The forefoot and hindfoot outsole components and the forefoot and hindfoot midsole components are separated from each other in this exemplary sole structure 1000 by the exposed portion of rigid plate member 1050. As shown in figure 10A, in this exemplary sole structure 1000, the rear portion of rigid plate member 1050 extends over and engages the upper surface of at least a portion of the impact attenuation system hindfoot 1060 (for example, it overlaps and / or engages the upper surface of at least one of the hindfoot midsole component 1064 or the hindfoot outsole component 1 062).
[098] As yet another option or alternative, if desired, the hindfoot impact attenuation system 1060 can adopt the general shape and structure described above with respect to figures 1A to 9A. More specifically, the 1064 hindfoot midsole component (which is separate from the 1040 forefoot midsole component) is engaged with an inner main surface of the 1062 hindfoot outsole component and that 1064 hindfoot midsole component may include a hindfoot receptacle (a through hole or a blind hole) defined therein to receive a bladder system filled with hindfoot fluid. In this exemplary sole structure 1000, in addition to including a first portion of rigid plate at least partially overlapping the bladder system filled with forefoot fluid, the rigid plate member 1050 still includes a second portion of rigid plate at least partially overlapping (and optionally completely covering) the bladder system filled with hindfoot fluid provided in the 1064 hindfoot midsole component. In other words, the construction and / or parts of the sole structure 1000 may be similar to the construction and / or the parts of the sole structure 100 of figure 1A (and / or the various other modalities and variations described above in figures 1A to 9B), but the midsole and front and rear outsole structures are separated in the arch area and divided into two separate parts . This construction leaves the bottom surface 1050a of the rigid plate member 1050 exposed and forming a bottom surface of the sole structure 1000 in an arc area between the forefoot outsole component 1010 and the hindfoot outsole component 1062.
[099] As still shown in figures 10B and 10C, this exemplary sole structure 1000 includes a side face support component 1070 extended along a forefoot side face of the sole structure 1000. That exemplary side face support component 1070 includes at least a portion located between the forefoot sole component 1010 and the forefoot midsole component 1040. The side face support component 1070 can wrap around a portion of the upper part 1002 and provide additional support, for example. for example, along the lateral forefoot side or area of the fifth metatarsal of the shoe, for athletic use, such as additional support during quick cornering or cutting movements while running, etc.
[0100] Figures 10A to 10C show additional details of the rigid plate members 1050 that can be used in this sole structure 1000 and / or other sole structures according to examples of this invention (for example, in the structures of figures 1A to 9B ). For example, as shown in these figures, the rigid plate member 1050 may include a side face edge 1052 and a medial face edge 1054 extended upward from the bottom surface 1050a of the rigid plate member 1050 at least in the arc area of the structure. outsole 1000. These side edges 1052 and 1054 help provide a stable support for the user's foot.
[0101] The rigid plate member 1050 of this exemplary structure still includes a plurality of rib elements 1056 formed therein, and in this illustrated example, rib elements 1056 are parallel or substantially parallel and extend in a direction generally from front to front. rear of the sole structure 1000. The rib elements 1056 add rigidity to the plate member 1050 in the arch area and help to reduce the overall weight of the plate member 1050. Any desired number of rib elements 1056 can be provided without moving away of this invention, including 1056 rib elements of any desired size and / or cross-sectional shape. Also, although shown on the inner surface in figures 10A and 10C, if desired, some or all of the rib elements 1056 could be provided on the outer surface of the plate member 1050 without departing from this invention. The rigid plate member 1050 can be somewhat curved, if desired, for example, in the front to rear and / or side to side directions, for example, as described above.
[0102] Figures 10A and 10B still show that the sole structure 1000 can be engaged with an upper part 1002 to form a shoe item. The upper part 1002 can have any desired construction and / or materials without departing from that invention, including the constructions and / or materials described above and / or other constructions and materials as are known and used in the art. A heel buttress 1072 to support the user's heel is also shown in the exemplary structure of figure 10B.
[0103] The various exemplary structures described above in conjunction with figures 1A to 10C use balloons filled with fluid sealed within receptacles defined in a midsole component. The fluid-filled balloons used in the examples of that invention include a fluid, such as a gas, under ambient pressure or under high pressure (above standard or atmospheric pressure). Such fluid-filled balloons are advantageous because they can produce excellent attenuation of the impact force, sensitivity and a propelling or retracting force for the user's foot. Rigid plates help to improve the return of this strength to the user (for example, when compared to a softer lining material). If desired, however, in at least some exemplary structures according to that invention, one or more of the fluid-filled balloons in the structures described above can be replaced with a foam material, such as polyurethane foams, ethyl vinyl acetate foams and so on. against. Foams of these types can be at least partially overlapped with a rigid plate member, for example, in the various ways described above.
[0104] Finally, several of the structures described above included moderate fluid filled balloons with rigid plates located in both the forefoot and hindfoot areas. Aspects of this invention are not limited to such structures. For example, if desired, a moderate fluid filled bladder system with rigid plate (or foam system) could be provided only in the rear area of the sole structure, optionally with other impact force attenuation systems provided in other areas of the sole structure, such as in the antipod or in the arch area, including conventional impact force attenuation systems provided in these other areas (for example, polymeric foam materials, fluid filled bladder systems, mechanical impact absorption systems , etc.). As another example, if desired, a moderate fluid filled bladder system with a rigid plate (or foam system) could be provided only in the forefoot area of the sole structure, optionally with other impact force attenuation systems in other areas of the sole structure, such as in the retro or in the arch area, including conventional impact force attenuation systems provided in these other areas (for example, polymeric foam materials, fluid filled bladder systems, mechanical impact absorption systems , etc.). As additional alternatives, if desired, moderate fluid-filled bladder systems with additional rigid plates (or foam systems) can be provided throughout the sole structure, for example, such that the forefoot area includes two or more separate bladder filled systems with moderate fluid with rigid plate and / or such that the hindfoot area includes two or more separate bladder filled systems with moderate fluid with rigid plate. A moderate fluid filled bladder system with a rigid plate could also be provided in the middle of the foot or in the arch area, if desired and / or at least one of the moderate fluid filled bladder systems with a rigid forefoot or hindfoot plate can be provided. extend at least partially to the middle of the foot or the arch area. 111. CONCLUSION
[0105] The present invention is disclosed above and in the accompanying drawings with reference to a variety of modalities. The purpose served by the disclosure, however, is to present examples of the various characteristics and concepts related to the invention, not to limit the scope of the invention. One skilled in the relevant art will recognize that numerous variations and modifications can be made in the modalities described above without departing from the scope of the present invention, as defined by the appended claims.

权利要求:
Claims (41)
[0001]
1. Sole structure (100) for a shoe item (300), CHARACTERIZED by the fact that it comprises: an outer forefoot component (110) including an outer main surface (110a) and an inner main surface (110b) ; a forefoot midsole component (140) engaged with the inner main surface (110b) of the forefoot outsole component (110), wherein the forefoot midsole component (140) includes a forefoot receptacle (740a) defined therein ; a bladder system filled with forefoot fluid (130) located at least partially within the forefoot receptacle (740a); and a rigid plate member (150) including a rigid plate portion at least partially overlapping the bladder system filled with forefoot fluid (130), where a lower surface (1050a) of the rigid plate member (150) is exposed and forms a lower surface of the sole structure (100) in an arc portion of the sole structure (100) behind the outer sole component of the forefoot (110).
[0002]
2. Sole structure (100), according to claim 1, CHARACTERIZED by the fact that it still comprises: a hindfoot impact attenuation system to attenuate soil reaction forces in a heel area of the sole structure ( 100).
[0003]
3. Sole structure (100) according to claim 2, CHARACTERIZED by the fact that the rigid plate member (150) includes a rear portion that extends over the hindfoot impact attenuation system.
[0004]
4. Sole structure (100) according to claim 2, CHARACTERIZED by the fact that the hindfoot impact attenuation system includes at least one fluid-filled bladder.
[0005]
5. Sole structure (100) according to claim 2, CHARACTERIZED by the fact that the hindfoot impact attenuation system includes a polymeric foam material.
[0006]
6. Outsole structure (100), according to claim 1, CHARACTERIZED by the fact that it still comprises: a hindfoot outsole component separated from the forefoot outsole component (110); and a hindfoot midsole component separate from the forefoot midsole component (140), wherein a rear portion of the rigid plate member (150) engages an upper surface of the hindfoot midsole component.
[0007]
7. Sole structure (100), according to claim 1, CHARACTERIZED by the fact that it still comprises: a side face support component (1070) that extends along a forefoot side face of the sole structure ( 100), wherein at least a portion of the side-facing support component (1070) is located between the forefoot sole component (110) and the forefoot midsole component (140).
[0008]
8. Sole structure (100) according to claim 1, CHARACTERIZED by the fact that the forefoot receptacle (740a) constitutes a through hole that extends completely through the forefoot midsole component (140), and wherein the forefoot fluid filled bladder system (130) is engaged with the inner main surface (110b) of the forefoot sole component (110).
[0009]
9. Sole structure (100) according to claim 1, CHARACTERIZED by the fact that the rigid plate member (150) includes a side face edge (1052) that extends upwards from the bottom surface (1050a ) of the rigid plate member (150) in the arch portion of the sole structure (100) and a medial face edge that extends upwards from the bottom surface (1050a) of the rigid plate member (150) in the arch portion of the sole structure (100).
[0010]
10. Sole structure (100) according to claim 1, CHARACTERIZED by the fact that the rigid plate member (150) includes a plurality of rib elements (1056) formed therein.
[0011]
11. Outsole structure (100) according to claim 10, CHARACTERIZED by the fact that the plurality of rib elements (1056) extends in a direction from the front to the rear of the sole structure (100).
[0012]
12. Sole structure (100) according to claim 1, CHARACTERIZED by the fact that the rigid plate portion of the rigid plate member (150) directly contacts an upper surface of the bladder system filled with forefoot fluid (130 ) at least when a compressive force is applied between the outer main surface (110a) of the forefoot sole component (110) and an upper surface of the rigid plate portion.
[0013]
13. Sole structure (100) according to claim 12, CHARACTERIZED by the fact that the rigid plate portion completely covers the upper surface of the bladder system filled with forefoot fluid (130).
[0014]
14. Sole structure (100) according to claim 1, CHARACTERIZED by the fact that the forefoot sole component (110) includes a projection area (112a) corresponding to a location of the forefoot receptacle (740a) .
[0015]
15. Sole structure (100), according to claim 14, CHARACTERIZED by the fact that the projection area (112a) has a maximum height of 1 to 15 mm with respect to a base portion of the outer sole component of forefoot (110) located around the projection area (112a).
[0016]
16. Outsole structure (100) according to claim 15, CHARACTERIZED by the fact that the forefoot outer sole component (110) includes a first portion of the outer sole within the projection area (112a) and a second portion outer sole separated from the first outer sole portion as the base portion.
[0017]
17. Outsole structure (100) according to claim 15, CHARACTERIZED by the fact that the forefoot outer sole component (110) includes a first portion of the outer sole within the projection area (112a), a second portion outer sole as the base portion and a flexible web (116a) that connects the first portion of the outer sole and the second portion of the outer sole.
[0018]
18. Sole structure (100) according to claim 1, CHARACTERIZED by the fact that the lower surface of the forefoot midsole component (140) adjacent to the forefoot receptacle (740a) includes a lower cut region ( 948) between at least a portion of the lower surface of the forefoot midsole component (140) and the inner main surface (110b) of the forefoot sole component (110), wherein the compressive force applied between the rigid plate portion of the rigid plate member (150) and the outer main surface (110a) of the forefoot sole component (110) causes the lower cut region (948) to decrease in height.
[0019]
19. Sole structure (100) according to claim 18, CHARACTERIZED by the fact that the lower cut region (948) extends completely around the forefoot receptacle (740a).
[0020]
20. Sole structure (100), according to claim 18, CHARACTERIZED by the fact that the lower cut region (948) has a maximum height of 1 to 15 mm when the sole structure (100) is in a condition not compressed.
[0021]
21. Sole structure (1000) for a shoe item, CHARACTERIZED by the fact that it comprises: a hindfoot outer sole component (1062) including an outer main surface and an inner main surface; a hindfoot midsole component (1064) engaged with the inner main surface of the hindfoot outsole component (1062), wherein the hindfoot midsole component (1064) includes a hindfoot receptacle defined therein; a bladder system filled with hindfoot fluid located at least partially within the hindfoot receptacle; and a rigid plate member (1050) including a rigid plate portion at least partially overlapping the bladder fluid-filled bladder system, wherein a lower surface of the rigid plate member (1050) is exposed and forms a lower surface of the sole structure (1000) in an arc portion of the sole structure (1000) in front of the hindfoot outsole component (1062).
[0022]
22. Sole structure (1000), according to claim 21, CHARACTERIZED by the fact that it still comprises: a forefoot impact attenuation system to attenuate soil reaction forces in a forefoot area of the sole structure ( 1000).
[0023]
23. Sole structure (1000) according to claim 22, CHARACTERIZED by the fact that the rigid plate member (1050) includes an advanced portion that extends over the forefoot impact attenuation system.
[0024]
24. Sole structure (1000) according to claim 22, CHARACTERIZED by the fact that the forefoot impact attenuation system includes at least one fluid-filled bladder.
[0025]
25. Sole structure (1000) according to claim 22, CHARACTERIZED by the fact that the forefoot impact attenuation system includes a polymeric foam material.
[0026]
26. Sole structure (1000), according to claim 21, CHARACTERIZED by the fact that it still comprises: a forefoot outsole component separated from the hindfoot outsole component (1062); and a forefoot midsole component separate from the forefoot midsole component (1064), wherein an advanced portion of the rigid plate member (1050) engages an upper surface of the forefoot midsole component.
[0027]
27. Sole structure (1000), according to claim 26, CHARACTERIZED by the fact that it still comprises: a side face support component that extends along a forefoot side face of the sole structure (1000), wherein at least a portion of the side-facing support component is located between the forefoot sole component and the forefoot midsole component.
[0028]
28. Sole structure (1000) according to claim 21, CHARACTERIZED by the fact that the hindfoot receptacle constitutes a through hole that extends completely through the hindfoot midsole component (1064), and in which the bladder filled with hindfoot fluid is engaged with the inner main surface of the hindfoot outsole component (1062).
[0029]
29. Sole structure (1000) according to claim 21, CHARACTERIZED by the fact that the rigid plate member (1050) includes a side face edge that extends upwards from the lower surface of the rigid plate member (1050) ) in the arch portion of the sole structure (1000) and a medial face edge that extends upwards from the lower surface of the rigid plate member (1050) in the arch portion of the sole structure (1000).
[0030]
30. Sole structure (1000) according to claim 21, CHARACTERIZED by the fact that the rigid plate member (1050) includes a plurality of rib elements formed therein.
[0031]
31. Sole structure (1000) according to claim 30, CHARACTERIZED by the fact that the plurality of rib elements extends in a direction from the front to the rear of the sole structure (1000).
[0032]
32. Sole structure (1000) according to claim 21, CHARACTERIZED by the fact that the rigid plate portion of the rigid plate member (1050) directly contacts an upper surface of the bladder system filled with at least hindfoot fluid when a compressive force is applied between the outer main surface of the hindfoot outsole component (1062) and an upper surface of the rigid plate portion.
[0033]
33. Sole structure (1000) according to claim 32, CHARACTERIZED by the fact that the rigid plate portion completely covers the upper surface of the bladder system filled with hindfoot fluid.
[0034]
34. Sole structure (1000) according to claim 21, CHARACTERIZED by the fact that the outer sole component of the hindfoot (1062) includes a projection area corresponding to a location of the hindfoot receptacle.
[0035]
35. Sole structure (1000), according to claim 34, CHARACTERIZED by the fact that the projection area has a maximum height of 1 to 15 mm with respect to a base portion of the rear sole component. (1062) located around the projection area.
[0036]
36. Outsole structure (1000) according to claim 35, CHARACTERIZED by the fact that the hindfoot outsole component (1062) includes a first portion of the outer sole within the projection area and a second portion of the outer sole separated from the first portion of the outer sole as the base portion.
[0037]
37. Sole structure (1000) according to claim 35, CHARACTERIZED by the fact that the hindfoot outsole component (1062) includes a first portion of the outer sole within the projection area, a second portion of the outer sole as the base portion and a flexible web connecting the first portion of the outer sole and the second portion of the outer sole.
[0038]
38. Sole structure (1000) according to claim 21, CHARACTERIZED by the fact that a lower surface of the hindfoot midsole component (1064) adjacent to the hindfoot receptacle includes a lower cut region between at least one portion of the bottom surface of the hindfoot midsole component (1064) and the inner main surface of the hindfoot sole component (1062), wherein a compressive force is applied between the rigid plate portion of the rigid plate member (1050) and the outer main surface of the hindfoot outsole component (1062) causes the lower cut region to decrease in height.
[0039]
39. Sole structure (1000) according to claim 38, CHARACTERIZED by the fact that the lower cut region extends completely around the hindfoot receptacle.
[0040]
40. Sole structure (1000) according to claim 38, CHARACTERIZED by the fact that the lower cut region has a maximum height of 1 to 15 mm when the sole structure (1000) is in an uncompressed condition.
[0041]
41. Sole structure (100, 1000) for a shoe item (300), CHARACTERIZED by the fact that it comprises: an outer forefoot component (110) including an outer main surface (110a) and an inner main surface ( 110b); a hindfoot outsole component (1062) separate from the hindfoot outsole component (110), the hindfoot outsole component (1062) including an outer main surface and an inner main surface; a forefoot midsole component (140) engaged with the inner main surface (110b) of the forefoot outsole component (110), wherein the forefoot midsole component (140) includes a forefoot receptacle (740a) defined therein ; a hindfoot midsole component (1064) separate from the forefoot outsole component (110) and engaged with the inner inner surface of the hindfoot outsole component (1062), wherein the hindfoot midsole component (1064) includes a hindfoot receptacle defined therein; a bladder system filled with forefoot fluid (130) located at least partially within the forefoot receptacle (740a); a bladder system filled with hindfoot fluid located at least partially within the hindfoot receptacle; and a rigid plate member (150) including a first rigid plate portion at least partially overlapping the forefoot fluid-filled bladder system (130) and a second rigid plate portion at least partially overlapping the fluid-filled bladder system hindfoot, where the lower surface (1050a, 1050) of the rigid plate member (150) is exposed and forms a lower surface of the sole structure (100, 1000) in an arc portion of the sole structure (100, 1000 ) between the forefoot outsole component (110) and the hindfoot outsole component (1062).

类似技术:

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BR112015006329B1|2021-01-26|sole structure for a shoe item

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同族专利:

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公开号 | 公开日

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ES2622363T3|2017-07-06|

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BR112015006329A2|2017-07-04|

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JP2018202196A|2018-12-27|

---

CN104640467B|2016-08-17|

---

ES2779323T3|2020-08-14|

---

EP2897483A1|2015-07-29|

---

EP3114950B1|2020-01-01|

---

IN2015DN02860A|2015-09-11|

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JP2015529136A|2015-10-05|

---

EP3114950A1|2017-01-11|

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KR101752984B1|2017-07-03|

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ZA201502160B|2016-10-26|

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WO2014046915A1|2014-03-27|

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AU2013318445B2|2016-08-25|

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CN104640467A|2015-05-20|

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CA2885042C|2017-04-25|

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MX2015003661A|2015-09-25|

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US10856612B2|2020-12-08|

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US20140075778A1|2014-03-20|

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CA2885042A1|2014-03-27|

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EP2897483B1|2016-12-07|

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KR20150058357A|2015-05-28|

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AU2013318445A1|2015-04-02|

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法律状态:
2018-11-21| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|

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2020-03-24| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|

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2020-11-17| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|

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2021-01-26| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 10/09/2013, OBSERVADAS AS CONDICOES LEGAIS. |

优先权:

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申请号 | 申请日 | 专利标题

---

US13/623,701|US10856612B2|2012-09-20|2012-09-20|Sole structures and articles of footwear having plate moderated fluid-filled bladders and/or foam type impact force attenuation members|

---

US13/623,701|2012-09-20|

---

PCT/US2013/058986|WO2014046915A1|2012-09-20|2013-09-10|Sole structures and articles of footwear having plate moderated fluid-filled bladders and/or foam type impact force attenuation members|

---