SOLE STRUCTURE FOR A FOOTWEAR ITEM AND THE SAME

专利摘要:
sole structures and footwear articles containing bladders filled with fluid moderated by plate and / or foam-type impact force attenuation members are sole structures for footwear articles, including sports shoes, which include: (a) an outer sole component; (b) an midsole component engaged with 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 or receptacle; and / or (d) a rigid plate system including one or more rigid plates overlapping the fluid-filled bladder or foam system (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 just above the surface of the midsole component when the sole structure is in an uncompressed condition. also described are shoe articles and methods for producing sole structures and shoe articles including such sole structures.
公开号:BR112015006180B1
申请号:R112015006180-0
申请日:2013-09-11
公开日:2020-12-15
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 No. 13 / 623,722, 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 No. 13 / 623,722, in its entirety, is incorporated into this document for reference purposes. FIELD OF THE INVENTION
[002] The present invention relates to the footwear field. More specifically, aspects of the present invention relate to floor structures and / or footwear articles (for example, sports shoes) that include rigid plate (s) overlapping fluid-bladder-type impact mitigation elements and / or foam type. BACKGROUND OF THE INVENTION
[003] Conventional sports shoe items include two main elements, namely, an upper and a sole structure. The upper part is a foot cover that securely receives the foot and positions it 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 ground reaction forces and absorbing energy, the sole structure can provide traction and control potentially dangerous foot movements, such as overpronation. The general aspects and configuration of the upper and sole structure are discussed in more detail below.
[004] The upper part forms a gap inside the shoe to receive the foot. The gap has the general shape of the foot, and access to the gap is provided in an ankle opening. Thus, the upper part extends over the instep and toes, along the lateral and medial sides of the foot, and around the heel area of the foot. A shoelace system is usually incorporated into the upper to selectively change the size of the ankle opening and allow the user to modify certain dimensions of the upper, in particular the circumference, to accommodate feet of varying proportions. In addition, the upper part may include a tongue that extends under the lacing system to improve the comfort of the shoe (for example, to moderate the pressure applied to the foot by the laces), and the upper part may also include a buttress to limit or control the movement of the heel.
[005] The sole structure generally incorporates multiple layers, conventionally called insole, midsole and outsole. The insole (which can also form a lining for sock) is a thin member located inside the upper part and adjacent to the plantar (lower) surface of the foot to improve the comfort of the shoe, for example, to absorb moisture and provide a feeling of softness and comfort. The midsole, which is traditionally connected 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 usually made of a durable and wear-resistant material, which includes texture elements or other mechanisms to improve traction.
[006] The main element of a conventional midsole is a polymeric, resilient foam material, such as polyurethane or ethyl vinyl acetate (“EVA”), which extends over the entire length of the shoe. The properties of the polymeric foam material in the midsole depend primarily on factors that include the dimensional configuration of the midsole and the specific characteristics of the material selected for the polymeric foam, including the density of the polymeric foam material. Through the variation of these factors throughout the midsole, the relative stiffness, the degree of attenuation of the reaction force of the soil and the energy absorption properties can be changed to meet the specific demands of the activity for which the footwear is intended.
[007] Despite the various models and characteristics of footwear available, new models and constructions of footwear continue to be developed and are a welcome advance in technique. SUMMARY OF THE INVENTION
[008] The intention of this summary is to present, in a simplified way, an introduction to some general concepts related to the present invention, described in detail below in the Detailed Description. This Summary is not intended to identify critical or essential aspects of the invention.
[009] Although potentially useful for any desired types or styles of shoes, aspects of the invention may be of particular interest for sports shoe sole structures that include basketball shoes, running shoes, multifunctional training shoes, cleats, sneakers, golf shoes, etc.
[010] More specific aspects of the present 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 fluid-filled bladder system (s) 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) full of fluid or foam member (s), optionally just above a midsole component surface when the sole structure is in an uncompressed condition.
[011] Other sole structures according to some aspects of the present 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 an midsole component surface adjacent to the opening or receptacle includes a lower cutting area that defines a gap, for example, between at least a part 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 bladder system filled with fluid or foam member. A compressive force applied between the rigid plate system and an external main surface of the outer sole component causes the lower cut (s) and / or gap (s) to be reduced in height.
[012] Other sole structures according to some examples of the present 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 main internal surface of the outsole component, wherein the midsole component includes a receptacle defined therein; (c) a bladder system filled with fluid 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 foam member, where a lower surface of the rigid plate member is exposed and forms a lower surface of the sole structure in one arch area of the sole structure.
[013] Additional aspects of the present invention refer to footwear articles including upper and sole structures of the various types described above attached to the upper. Still other additional aspects of the present invention relate to methods for producing sole structures and / or footwear of the various types described above (and described in more detail below). More specific aspects of the present invention will be described in more detail below. BRIEF DESCRIPTION OF THE DRAWINGS
[014] The Summary of the previous Invention, as well as the Detailed Description of the Invention below, will be better understood when considered together with the accompanying drawings, in which similar reference numerals refer to the same elements or similar elements in all several views where that reference number appears.
[015] Figs. 1A to 1J show various views of sole structures and / or components thereof according to some examples of the present invention; Figs. 2A to 2C show various views of sole structures according to other examples of the present invention; Figs. 3A to 3D show various views of a shoe article including a sole structure according to at least some examples of the present invention; Figs. 4A and 4B show various views of a midsole component according to some examples of the present invention; Figs. 5A to 5E show various views of sole structures according to other examples of the present invention; Figs. 6A and 6B show various views of a shoe article including a sole structure according to at least some examples of the present invention; Fig. 7 includes a cross-sectional view of a sole structure according to another example of the present invention; Figs. 8A and 8B include cross-sectional views of parts of a shoe article according to another example of the present invention; Figs. 9A and 9B include cross-sectional views of parts of sole structures according to other examples of the present invention; and Figs. 10A to 10C include various views of another illustrative sole and shoe structure according to some examples of the present invention. DETAILED DESCRIPTION OF THE INVENTION
[016] In the following description of several examples of shoe structures and components according to the present invention, reference is made to the attached drawings, which form a part of it, and in which, by way of example, several examples are illustrated of structures and 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 to the structures and methods described specifically without departing from the scope of the present invention. I. General Description of Aspects of the Present Invention
[017] Aspects of the present invention relate to floor structures and / or footwear articles (for example, sports shoes) that include rigid plate (s) overlapping fluid-bladder-type impact mitigation elements and / or foam type. More specific features and aspects of the present invention will be described in more detail below. A. Aspects of Sole Structures and Footwear according to the Examples of the Present Invention
[018] Some aspects of the present invention relate to sole structures for footwear and footwear articles (or other foot receiving devices) including sports shoes, containing such sole structures. Sole structures for footwear articles according to at least some examples of the present 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 outer area includes at least one projection area (for example, a forefoot projection area and / or a hindfoot projection area), where the projection area (s) is / are at least partially surrounded (s) ) by and protrudes (m) beyond a main surface area of the outer sole, where the projection area (s) can be connected to the main surface area of the outer sole by a flexible web member (for example, around at least part of a perimeter of the projection area (s)); (b) an midsole component engaged with the main internal 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 bladder system filled with fluid and / or foam member attached to the inner main surface of the outer sole component or to the receptacle above the projection area; and / or (d) a rigid plate system including one or more parts of the rigid plate at least partially overlapping the fluid-filled bladder system (s).
[019] The rigid plate system may include a single plate covering multiple fluid-filled bladders (for example, in the forefoot and hindfoot) and / or foam members or multiple separate plates, without departing from the present invention. The plate (s) may also include other structural aspects. For example, if desired, rigid forefoot parts may include a groove that separates a first metatarsal support region and / or thumb from one or more other metatarsal support regions (for example, at least a fifth region metatarsal support). This aspect can help to provide a more natural feeling for the shoe, since the medial side of the foot can flex a lot in relation to the lateral part of the foot (which allows a more natural sensation and / or movement during pronation and get up from the fingers during a step or jump). Additionally or as an alternative, the rear heel area of the rear plate parts may include a groove that similarly allows the medial side of the foot to flex somewhat with respect to the side. Rigid plates can also be curved from the heel to the fingers and / or from the direction from the medial side to the side, for example, to function as a spring and / or to provide recovery or return energy and / or to hold , couple or otherwise support the sides of the foot.
[020] Fluid filled bladder systems can assume a variety of constructions without departing from the present invention, including conventional constructions, as they are known and used in this technique. If desired, each fluid bladder system can build a single fluid-filled bladder. Alternatively, if desired, one or more of the fluid-filled bladder systems may constitute two or more fluid-filled bladders located within their respective openings and / or receptacle areas (for example, two or more fluid-filled bladders) . Fluid-filled bladders may include a sealed wrap or outer barrier layer filled with a gas under ambient or elevated pressure. The bladder (s) may include internal structures (for example, tension elements) and / or internal fused or welded connections (for example, connections from the upper surface to the lower surface) to control the external shape of the bladder.
[021] In some examples of structures according to the present invention, the main surface area (s) of the outer sole will completely surround the projection area in which they are located. In addition or as an alternative, in some structures according to the present invention, the opening (s) and / or receptacle (s) of the midsole component will completely surround the recessed area (s) of the outer sole component and / or the bladder system (s) filled with fluid (or foam member (s)) mounted on it.
[022] The sole structures according to other examples of the present 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 outsole 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 an upper surface of the fluid-filled or foam bladder system extends above the surface of midsole component base 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 come into contact with 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 along the respective base surface (s) of the midsole component so that the base surface of the component midsole acts as a stop to slow or stop the downward movement of the rigid plate component (s) during compression of the sole structure.
[023] Still other additional sole structures according to some aspects of the present 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 attached to the inner main surface of the outsole component, wherein the midsole component includes a forefoot opening and / or a hindfoot opening, and where: (i ) a 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 part 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 part of the lower surface of the midsole component and the inner main surface of the midsole component; (c) a bladder system filled with forefoot fluid or a foam member located at least partially within the forefoot opening and optionally engaged with the inner main surface of the outer sole component; (c) a bladder system filled with hindfoot fluid or a foam member located at least partially within the hindfoot opening and optionally engaged with the inner main surface of the outer sole component; and (e) a rigid plate system including a first rigid plate part at least partially overlapping the bladder system filled with forefoot fluid or foam member and / or a second rigid plate part at least partially overlapping the bladder system filled with hindfoot fluid or foam 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 second gaps to be reduced in height. If desired, sole structures according to some examples of this aspect of the invention may include only the outer sole and forefoot midsole structures (with the rigid plate extending only over these structures) or only the midsole and outer sole structures hindfoot (with the rigid plate extending only over these structures).
[024] The bottom cut area (s) and / or the gap (s) between the bottom of the midsole and the inner main surface of the outsole component may extend completely around perimeter of the opening or receptacle in which they are located, although, if desired, the lower cut area (s) and / or gap (s) may be discontinuous (for example, partially extending around the perimeter of respective openings or receptacles). These bottom 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 instances, a height maximum of 1.5 to 12 mm or even 1.75 to 10 mm when the sole structure is in an uncompressed condition.
[025] Other illustrative sole structures according to some examples of the present invention may include one or more of the following: (a) a forefoot sole component including an outer main surface and an inner main surface; (b) a hindfoot sole component separate from the hindfoot sole component, the hindfoot sole component including an outer main surface and an inner main surface; (c) a forefoot midsole component attached to 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 forefoot fluid or foam member located at least partially within the forefoot receptacle; (f) a bladder system filled with hindfoot fluid or foam member located at least partially within the hindfoot receptacle; and / or (g) a rigid plate member including a first rigid plate part at least partially overlapping the bladder system filled with forefoot fluid or foam member and / or a second rigid plate part at least partially overlapping the system bladder filled with hindfoot fluid or foam member. A lower surface of the rigid board member of this illustrative structure is exposed and forms a lower surface of the soil structure in an arch area of the sole structure, for example, between the forefoot sole component and the outer sole component of hindfoot. If desired, sole structures according to some examples of this aspect of the invention may include only the outer sole and forefoot midsole components (with the rigid plate extending only over those components) or only the midsole and outer sole components. hindfoot (with the rigid plate extending only over these components).
[026] The receptacles (for example, forefoot and / or hindfoot receptacles) may extend completely or partially through the total 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 main internal surface of the component. outsole and inside the openings. The outer surface (s) of the rigid plate component (s) can be attached to the upper surface (s) of the system ( s) bladder 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 illustrative constructions in accordance with this aspect of the invention.
[027] Sole structures of the types described above may include additional aspects that help to engage the bladders 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 area (s) undercut (s) of the outsole component. The recessed areas can correspond (for example, to be located on) projection areas on the main external 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 other additional aspects of the present invention relate to footwear 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 attached to the top. In some more specific examples, the upper part may include a strobel-like member (bagged) closing its lower surface, where the strobel-like member overlaps an upper surface of the midsole component and all rigid plate components. Additionally or as an alternative, if desired, a lining for sock or insole member may overlap the midsole component and / or the strobel-like member (when present). B. Aspects of the Method
[029] Additional aspects of the present invention refer to methods of producing footwear or various components thereof. A more specific aspect of the present invention relates to methods for producing sole structures for footwear of the various types described above. Although the various components and parts of the sole structures and footwear articles according to the aspects of the present invention can be produced in conventionally known ways and used in the art, the examples of aspects of the method of the present invention refer to the combination of the structure soles and / or parts of shoes and the connection of them to each other 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 detailed description of examples of specific footwear and methods according to the present invention follows. II. Detailed Description of Examples of Sole Structures and Footwear Articles in accordance with the Present Invention
[031] Referring to the figures and the following discussion, various sole structures, footwear articles and characteristics thereof according to the present invention are disclosed. The sole and footwear structures represented and discussed are sports shoes, and the concepts revealed in relation to the various aspects of this shoe can be applied to a wide variety of styles of sports shoes, including, but not limited to: walking shoes, tennis shoes, soccer shoes, football shoes, basketball shoes, running shoes, multifunctional training shoes, golf shoes, etc. In addition, at least some concepts and aspects of the present invention can be applied to a wide variety of non-sports shoes, including work boots, sandals, loafers and dress shoes. Therefore, the present invention is not limited to the exact embodiments disclosed here, but applies to footwear in general.
[032] Figs. 1A to 1E illustrate a first illustrative sole structure 100, in accordance with some aspects of the present invention. Fig. 1A is an exploded view of the sole structure 100 (showing the constituent parts of this illustrative structure 100), Fig. 1B is a top view, and Fig. 1C is a bottom view. Fig. 1D is a cross-sectional view along line 1D-1D in Fig. 1B, and Fig. 1E is a cross-sectional view along line 1E-1E in Fig. 1B. As shown in Fig. 1A, this illustrative 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; an midsole component 140; It is a rigid plate component 150. Various aspects of these component parts and their construction are described in more detail below.
[033] The outer sole element 110 includes an outer main surface 110a (which may include sole, shims, raised surfaces or other traction elements, such as the zigzag structure illustrated in Fig. 1C) and an inner main surface 110b. Although the outer sole component 110 can be formed as a single piece or part, as illustrated in these figures, if desired, it could be formed of multiple parts or parts, such as a forefoot component and a separate heel or hindfoot component. The outer sole component 110 can be made of any desired materials, including materials that are conventionally known and used in the footwear technique, such as rubbers, plastics, thermoplastic polyurethanes, among others. In addition, the outer sole component 110 can be formed in any desired manner without departing from the present invention, including in conventional ways that are known and used in the footwear technique (for example, by molding processes). The inner main surface 110b of this illustrated outer sole component 110 includes a recessed forefoot area 122 and a recessed rear area 114. Raised edges 116 molded on the main surface 110b define (and at least partially surround) the recessed areas 112, 114 in this illustrative structure. These recessed areas 112 and 114 contain and help to hold fluid-filled bladder systems 120, 130, as will be explained in more detail below.
[034] Turning also to Figs. 1C to 1E, these figures provide additional details of the outer main surface 110a of this illustrative outer sole component structure 110. More specifically, as illustrated in these figures, the outer main surface 110a includes a forefoot projection area 112a corresponding to the forefoot recessed area 112 and a hindfoot projection area 114a corresponding to the recessed hindfoot area 114. The forefoot projection area 112a is at least partially surrounded by (and in this illustrated example, completely surrounded by) and projects 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 rear projection area 114a. These “main outsole surface areas” 110c and 110d are illustrated as dotted line attachments in Fig. 1C, and this term is used here to represent the outer sole surface area immediately adjacent to and outside the projection area (for example, example, out of any connection “soul” material or gap, as described here). Projection areas 112a and 114a can extend below the main outer sole surface areas 110c and 110d for a maximum (or greater) distance (DP) of approximately 1-15 mm, and in some instances, for a distance of approximately 1.5 to 12 mm or even 1.75 to 10 mm. The projection height of the projection can be the same or different in the forefoot and back of the foot areas, and this 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 outer sole surface area 110c by a flexible web member 116a, and the hindfoot projection area 114a of this illustrated example is connected to the second area of main outer sole surface 110d by another flexible web member 116b. When not required, 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 underside parts of the raised edges 116 described above.
[036] The lower main surface of the midsole component 140 is coupled to the internal 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 conventional known and used in the technique. The midsole component 140 may be a single piece or multiple pieces, and may be made of conventional materials known and used in the art, such as polymeric foam materials (eg, polyurethane foams, ethyl vinyl acetate foams, Phylon, Phylite, etc.). As Fig. 1A illustrates, the midsole component 140 includes a forefoot opening 140a and a hindfoot opening 140b. The hindfoot opening 140a at least partially encircles the recessed forefoot area 112, and the hindfoot opening 140b at least partially encircles the recessed hindfoot area 114. The upper main surface 140c of this illustrative midsole component 140 includes a recessed area 142 which it 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] Openings 140a and 140b help define chambers for receiving and retaining fluid filled bladder systems 130 and 120, respectively. As illustrated in the illustrative structure of Fig. 1D, a perimeter edge 130E of the bladder system filled with forefoot fluid 130 does not extend to and / or comes in contact with a side edge 144 of the forefoot opening 140a of the midsole component 140 when the bladder system filled with forefoot fluid 130 is in an uncompressed condition. Similarly, as illustrated in the illustrative structure of Fig. 1E, a perimeter edge 120E of the bladder system filled with hindfoot fluid 120 does not extend to and / or comes in contact with a side edge 146 of the hindfoot opening 140a of the component midsole 140 when the bladder system filled with hindfoot fluid 120 is in an uncompressed condition. These gaps between the perimeter edges 120E and 130E and the side edges 144, 146 of the openings 140a, 140b provide space to allow 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 shoulder areas 120E and 130R of these illustrative fluid-filled bladder structures represent seam areas (for example, a hot-applied or welded seam) between two plastic liner parts used in the production of the fluid-filled bladders of these examples. These flange areas 120E, 130E may or may not be spaced from the side edges 144, 146 of the openings 140a, 140b. Alternatively, if desired, at least some parts of these 120E flange areas can be removed from fluid-filled bladder systems 120, 130 before the bladders are mounted on sole structure 100. Openings 140a and 140b can generally match in size and shape of the bladder system to be received therein, although the openings 140a, 140b may be slightly larger in order to provide the gap described above.
[038] Fluid filled bladder systems 120, 130 can be formed in any desired manner and / or from any desired materials, including in conventional ways and / or using conventional materials as known in the art. As illustrated in Figs. 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 bottom surface attached to the inner main surface 110b of the outer sole component 110 within the recessed area 112, for example, using cements or adhesives. This forefoot fluid filled bladder system 130 is sized and positioned to support the metatarsal head regions of a user's foot (for example, from the first metatarsal head area to the fifth metatarsal head area of the user's foot). user). Although any bladder size can be used without departing from the present invention, in some illustrative structures, the fluid-filled bladder system 130 will have a maximum thickness when inflated (and mounted on a sole structure) of 12.7 millimeters (0, Inches) or less. Like some other potential bands, this bladder system filled with forefoot fluid 130 can have a thickness in a range of 6.35 to 25.4 millimeters (0.25 to 1 inch) (when inflated and mounted on a shoe) in at least some examples of the present invention.
[039] The bladder system filled with hindfoot fluid 120 of this illustrative structure 100, on the other hand, as illustrated in Figs. 1A and 1E, includes two stacked fluid-filled bladders located in the recessed hollow area 114 (vertically stacked and vertically aligned). The two stacked bladders can be identical or different from each other. The hindfoot fluid-filled bladder system 120 may have its lower 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. In addition or as an alternative, if desired, the two stacked fluid-filled bladders of system 120 can be attached together, for example, using cements or adhesives. The hindfoot fluid-filled bladder system 120 supports the user's heel (for example, the calcaneus bone and the surrounding area). In some sole structures in accordance with aspects of the present invention, this bladder system filled with hindfoot fluid 120 may be 19.05 mm (0.75 inch) thick or less when inflated and mounted on a shoe. Like some other potential strips, this 120-foot fluid filled bladder system can have a thickness in a range of 12.7 to 38.1 millimeters (0.5 to 1.5 inches) (when inflated and mounted on a shoe), or even within a range of 15.87 to 31.75 millimeters (0.625 to 1.25 inches), in at least some examples of the present invention.
[040] The upper surfaces 120S and 130S of the fluid-filled bladder systems 120 and 130 of this illustrative structure 100 are sized and formed so that they reside within the lowered area 142 and are level with (and / or smoothly inward) a upper main surface 140c outside the recessed area 142. If desired, one or more of the individual bladders of fluid filled bladder systems 120, 130 may include internal structures (e.g. tension elements) and / or internal fusion or solder connections between the upper and lower surfaces thereof 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 bladders can be controlled using NIKE “ZOOM AIR” technology (for example, with tension members provided in the fluid-filled bladders) and / or internal bonding or welding technology, such as the technologies described in US Patent Nos. 5,083,361, 6,385,864, 6,571,490 and 7,386,946, each of which is incorporated herein in its entirety by reference.
[041] Figs. 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 rigid and resistant material, such as non-foamed plastic materials including fiber-reinforced plastics (eg carbon fiber composites, fiber glass, etc.), rigid polymers (eg PEBAX), among others. The rigid plate component 150 can be sized and formed to reside within the recessed area 142 so 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 3.17 to 9.52 millimeters (1/8 to 3/8 inches) thick, and in some instances , about 3.17 to 6.35 mm (1/8 to 1/4 inch) thick. In addition, 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, mechanical connectors, among others. 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 to comfortably support a user's foot (e.g., curved so that that the upper surfaces of conventional and known midsoles 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® brand Rnew 70R53 SP01 material or another hard material with 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 amide material available from Arkema).
[042] In the example of structure 100 illustrated, the rigid plate component 150 constitutes a single contiguous plate member that extends from a midsole rear heel area 140 to a location beyond the first metatarsal head region of the foot of the user and to a location beyond the fifth metatarsal head region of the user's foot. 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 system (s) ) of fluid-filled bladder and helps prevent dot 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, improve responsiveness, efficiency and energy of return of this system of attenuation of impact and / or structure of soles with bladder filled with fluid moderated by rigid plate.
[043] In the structure of Figs. 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 to the midsole component 140. This aspect allows fluid-filled bladders expand within the gaps provided in openings 140a and 140b, while still maintaining a stable overall sole structure 100. As noted above, this aspect also helps to improve system responsiveness, efficiency and return energy.
[044] In addition, the inclusion of projection areas 112a and 114a in the outer sole component 110 helps provide a more responsive sole structure 100. As Figs. 1D and 1E, under the fluid filled bladder systems 120, 130, the outer sole component 110 projects downwardly beyond the adjacent outer sole base areas 110c and 110d (PD dimension projection described above). The slender, flexible web structures 116a, 116b allow the outer sole component 100 to flex more easily up and down in the projection areas 112a, 114a. These aspects, along with the general rigid plate component 150, return energy to the user's foot as the user steps over the projection areas 112a, 114a and begins to lift the foot, which provides energy for recovery, responsiveness and the feeling of a driving force.
[045] The rigid plate component 150 may include other aspects that help to provide recovery energy, responsiveness and a sense of propulsion to the sole structures according to at least some examples of the present invention. Although the rigid plate component 150 may be relatively flat, in some illustrative structures according to the invention, it will include a curved arc area.
[046] This aspect is illustrated schematically in Figs. 1F and 1G. Fig. 1F shows a top-down view of a foot 160 on a rigid plate member 150, for example, as illustrated in Figs. 1A and 1B, and Fig. 1G shows a side view. Locations A, B and C (see also Fig. 1B) show where the rigid plate component 150 supports the first metatarsal head (location A), the fifth metatarsal head (location B), and the rear heel (for example, calcaneus) (location C). One or more of these locations A, B, C can be subjected to a downward force as the user's foot 60 places weight on the shoe (for example, during a step, when landing with a heel, when preparing to give a jump, etc.). As shown in Fig. 1G, the rigid plate component 150 can be arched towards the heel towards the fingers and / or towards the medial side towards the side.
[047] If the rigid plate component 150 arches slightly upwards (for example, as illustrated somewhat exaggeratedly in Fig. 1G), sufficient downward force on the rigid plate component 150 will cause the plate 150 is quite horizontal, particularly when sufficient force is present in both the forefoot and hindfoot parts of the plate 150. Such force is illustrated in Fig. 1G by the downward force arrow 162. The downward force 162 can cause the rigid plate component 150 is level horizontally in one of the directions from the heel to the toes and / or in the direction from the medial side to the lateral side, or both. 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 reduced or released sufficiently, the rigid plate component 150 will strive to return its unstressed shape and condition (not planed), thus causing a recovery or return force, illustrated in Fig. 1G, by the upward force arrows 164. This return or recovery force 164 provides additional recovery energy, responsiveness and sensation of propulsion to the sole structures according to the examples of the invention which include a curved rigid plate component 150.
[048] In the structures described above in conjunction with Figs. 1A to 1E, the projection areas 112a and 114a of the outer sole component 110 are engaged with the base parts 110c and 110d, respectively, of the outer sole component 110 by the flexible webs 116a and 116b, respectively, which extend around the entire perimeter of projection areas 112a and 114a. This is not a requirement. Instead, as illustrated in Fig. 1H (which is a view similar to Fig. 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 provided around the perimeter of projection areas 112a and 114a between adjacent web areas 116a and 116b. Figs. 1I and 1J show cross-sectional views similar to Figs. 1D and 1E, respectively, except showing the cross section in areas where open spaces 170 are provided in flexible web areas 116a and 116b.
[049] Any number of separate flexible web areas 116a and / or 116b and open spaces 170 can be provided around a perimeter of the projection areas 112a and / or 114a without departing from the present invention. In some illustrative constructions, at least 25% of the perimeter length around the respective projection area 112a, 114b will include the flexible web area, and at least 40% of this perimeter length or even at least 50% of this perimeter length can constitute the flexible soul 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 omitted completely, that is, so that the projection areas 112a and / or 114a of the outer sole are separate components from the outer sole component (s) constituting the base areas 110c and / or 110d, respectively. The projection area 112a and / or 114a can still project outwards from the base areas by a desired distance (for example, DP projection described above). In such a structure, the projection area (s) 112a and / or 114a can be fixed to the rest of the sole structure in any desired manner, such as by fixing the projection areas 112a and / or 114a with the fluid-filled bladder 120 and 130, by attaching fluid-filled bladder systems 120 and 130 to the plate component 150, and by attaching the plate component 150 to the midsole component 140. Alternatively, the plate component 150 can be attached, for example, to the upper part (for example, to a strobel-like member, as described in more detail below). The various parts can be fixed together in any desired way, including through the use of cement or adhesives and / or through the use of mechanical connectors.
[051] If necessary or desired, in structures where flexible souls 116a and / or 116b are discontinuous or omitted, a membrane or other structure may be provided, for example, within openings 140a and / or 140b, to help prevent water, moisture, residue or other foreign objects penetrate the sole structure and / or enter the shoe's inner chamber.
[052] Figs. 2A and 2B illustrate an example of alternative sole structure 200 in accordance with this illustrative aspect of the invention. The main difference between this illustrative sole structure 200 and that illustrated in Figs. 1A to 1E refers to the hindfoot fluid filled bladder system 220. Instead of the stacked fluid filled bladders illustrated in Figs. 1A and 1E (for example, NIKE “ZOOM AIR” fluid filled bladders), in this illustrative structure 200, the hindfoot fluid filled bladder system 220 includes a single fluid filled bladder received at opening 140b within the component midsole 140. The upper surface 220S of this fluid filled bladder system 220 can be attached to the lower surface of the rigid plate component 150, for example, using cements or adhesives. Similarly, the lower surface of this fluid-filled bladder 220 can be attached to the inner main surface 110b of the outer sole component 110, in the recess area 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 make room for bladder expansion 220, for example, as discussed above. The fluid filled bladder system 220 will generally work in the same manner as described above for fluid filled bladder system 120. In addition, fluid filled bladder 220 may include tension elements, internal welds and / or other structures to assist to control and maintain your shape.
[053] Figs. 1D, 1E, 1I, 1J and 2B illustrate constructions in which there is a distinct 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 gap can be of any desired size and / or volume without departing from the present invention, provided that adequate volume is provided to accommodate changes in the shape of the midsole and / or fluid-filled bladder component when compressive force is applied to the structure sole. Fig. 2C illustrates an illustrative structure according to at least some examples of the present invention in which parts of the edge of the bladder filled with fluid 220E extend up to, and even come into contact with parts of the edge 146 of the midsole component 140 within of the opening area 140b (a similar lateral edge construction and contact between the edges of the bladder and the opening edge 144 could be used in the forefoot opening 140a, if desired). In the structure example in Fig. 2C illustrated, some spaces 230 are provided close to 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] Figs. 3A to 3D illustrate an example of a shoe article 300 including a sole structure 100 such as that described above in conjunction with Figs. 1A to 2C. Fig. 3A shows a side view of the shoe 300, Fig. 3B shows a medial side view, and Figs. 3C and 3D are seen in cross section in locations like those illustrated in Figs. 1D, 1E and 2B, but with at least some of the upper part of the shoe 302 and other component parts also illustrated. Although the sole structure illustrated in Figs. 3A-3D corresponds more precisely to that illustrated in Figs. 1A to 1E, those skilled in the art, given the benefit of this disclosure, will recognize that the sole structures of Figs. 2A to 2C could also be used in shoes, for example, of the type illustrated in Figs. 3A to 3D, without departing from the present 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 known and used in the footwear technique . The upper part 302 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. As illustrated in Figs. 3A and 3B, the upper part 302 includes an ankle opening 304 and one or more fastening systems 306 (such as laces, laces, buckles, etc.) for fastening 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 fixing system 306 on the wearer's foot.
[056] As best illustrated in Figs. 3C and 3D, in this example of structure 300, the lower edges 302a of the upper part 302 are connected to each other by a strobel-like member 310 which completely closes the bottom of the entire upper part 302. This connection can be made, for example , sewing the upper edges 302a to the strobel-like member 310, or in any other desired manner, for example, as known and used in the art. The strobel-like member 310 and the upper part 302 of this construction example form a standing receiving chamber accessible through the ankle opening 304. The upper part 302 and the strobel-like member 310 can be engaged with the sole structure 100, for example , by gluing or in some other way fixing the upper part 302 and the strobel 310 to the midsole component 140 (for example, to the side and / or upper surfaces of the midsole component 140) and / or to the rigid plate component 150 (for example, to its upper surface). As further illustrated in Figs. 3C and 3D, the top 302 upright receiving chamber can additionally include a sock liner 312 (also called an “insole”). Although the 312 sock liner can be attached inside the upright receiving chamber, it can also simply be on top of the strobel 310 member. The 312 sock liner can be made of a soft, comfortable material (for example, a foam), to provide a soft, comfortable surface to engage the user's foot.
[057] Alternatively, if desired, one or more of the strobel 310 type member, the sock liner 312 and / or the tongue member 308 can be replaced by a booty member or other structure to receive the user's foot. As another option, for example, as illustrated in Figs. 3A and 3B, the area around the ankle opening 304 can be provided with a soft and comfortable fabric element 316 to provide a comfortable fit to the user's foot when the fastening system is tightened.
[058] In the sole structure 100 shown in Fig. 3A, the side 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 midfoot area / lateral forefoot (for example, along the side of the fifth metatarsal head region). This 110L side edge provides additional support for the side of the foot, for example, during a cutting or turning action. The front of the outer sole 110 also extends upwards to form a toe-like structure 110T (for example, to provide durability and resistance to abrasion on the toes). The outsole 110 may involve at least some side areas of the midsole component 140 in any desired locations to provide an enlarged area for a secure and durable connection to the midsole component 140 and / or to provide greater support.
[059] Figs. 4A and 4B illustrate top and bottom views, respectively, of another example of component and midsole 400 that can be included in the sole structures according to at least some examples of the present invention. As shown in Fig. 4A, this example of 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 attenuation systems impact, such as foam materials). Recessed areas 408 are provided on the upper main surface 402 which extends at least partially around the openings 404, 406 to receive 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 additionally include a blind hole 410, for example, to receive an electronic module for measuring athletic performance associated with the use of a shoe item including this midsole component 400. Such electronic modules for inclusion in shoes are known and commercially available, such as electronic modules used in NIKE + ® type systems.
[060] Fig. 4A shows additional aspects that can be included in the midsole components 400 according to at least some examples of the present invention. The recessed area 408 around the hindfoot opening 406 in this illustrative structure 400 includes cut areas 412 that extend near the bottom of the midsole component 400 (but not entirely through the midsole component 400, although they can extend throughout the path, if desired). These cutting areas 412 align with through holes provided in the side wall of the midsole component 400 (illustrated as dotted lines in Fig. 4A), which in turn provide visual access to the inside of the midsole component 400 from the outside of the structure sole. This aspect will be described in more detail below in conjunction with Figs. 5B and 5C.
[061] The lower main surface 420 of the midsole component 400 of this example includes recessed edges 422 around the openings 404, 406, for example, to provide a receptacle for receiving the raised edge 116 of the outer sole component 110, as shown in FIG. 1A. The lower main surface 420 of the midsole component 400 can be joined to an outsole component, for example, as the component 110 shown in Fig. 1A.
[062] This lower main surface 420 of this illustrative structure 400 additionally 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 shaped arc support member, such as a carbon fiber or polyether block amide arc support plate. The recessed area 424 can be of an appropriate depth (for example, 3.17 mm (1/8 inch) to 6.35 mm (1/4 inch)) so that the support plate fits in it smooth, flat, forming a generally smooth and level junction between these parts.
[063] Figs. 5A to 5D show top, side, medial and bottom views, respectively, of a sole structure 500 including an midsole component 400 of the types described above in conjunction with Figs. 4A and 4B. This example of sole structure 500 includes a bladder system filled with forefoot fluid 130 and a bladder system filled 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 the number of bladders are possible without departing from the present 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 that of Figs. 1A to 2C refers to the rigid plate component. Although Figs. 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 provided between the rigid forefoot plate member 502 and rigid hindfoot plate member 504 in the arch / center of the foot, as shown in Fig. 5A. The rigid plate members 502, 504 fit into the recessed areas 408 provided on the upper main surface 402 of the midsole component 400, as described above. Rigid plate members 502, 504 (for example, made of rigid plastic, fiber-reinforced plastic, polyether block amides, etc., as described above), can be attached to the lowered area 408 and / or the upper surfaces of bladder systems filled with fluid 120, 130, for example, by cements or adhesives or other desired connection systems.
[065] Additional support in the arch area is provided in this example of outsole structure 500 by the outer arch support plate 506 that extends through the arch area from the outer side of the midsole component 400 to the medial side outer of the midsole component 400. Note that in this example 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 assembled. The arch support plate 506 is mounted within the recessed area 424 provided on the lower main surface 420 of the midsole component 400 (see Fig. 4B), and it is partially covered by the outer sole component 110 (with the covered part being illustrated in broken lines in Figs. 5B to 5D). This 506 arc support plate can be made of any desired material, such as rigid polymeric materials (eg PEB AX® polyether block amide materials), fiber reinforced polymeric materials (eg carbon fiber , fiberglass, etc.), metallic materials, etc. If desired, the arc support plate 506 can be located, sized and / or formed so as to provide at least part of the elastic recovery or propulsion effect described above in conjunction with Figs. 1F and 1G.
[066] Providing a rigid forefoot plate component 502 separate from the rigid hindfoot plate component 504 can improve the flexibility of the overall sole structure 500 and by uncoupling at least a little flexion and movement of the hindfoot area from the forefoot. This uncoupling can improve the overall comfort and feel of the shoe as the user takes a step (and the weight deviates from the heel to the forefoot) and provides a more natural movement and feel. The optional arch support plate 506 can provide additional stability, and its location on the outside of the midsole component 400 can enhance the overall feel and comfort of the sole structure 500, particularly in the midfoot area.
[067] Fig. 5A shows additional aspects that can be provided in the sole structures according to at least some examples of the present invention. In this illustrated sole structure 500, the rigid forefoot plate 502 includes a groove 502a that separates a first metatarsal support region 502b from a fifth metatarsal support region 502c (and optionally, from the other metatarsal support areas). Additionally, as illustrated, the first metatarsal support region 502b extends forward to support all or substantially the entire area of the user's big toe. The groove 502a leaves a small part of the upper surface of the bladder system fluid filled with the forefoot 130 exposed on the upper main surface 402 of the midsole component 400. Similarly, the rigid forefoot plate 504 includes a groove 504a in the rear heel area that separates a medial heel support region 504b from a lateral heel support region 504c. The groove 504a leaves a small part 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] The grooved areas 502a and / or 504a in the forefoot and hindfoot plate components 502, 504, respectively, can improve the flexibility of the general sole structure 500 and uncouple at least a little flexion on the lateral side of the foot. medial side of the foot. During walking, running, or other walking activities, a person will usually land a step on the side of the shoe's heel, and as the step continues, the weight force will move from the side of the foot to the medial side of the shoe. foot and forward, where the ground lifting takes place in the area of the big toe (on the medial side of the This process is called "pronation". Slots 502a and / or 504a help to reduce the overall thickness of the sole structure 500 and improve comfort and sensation during a tread cycle as the weight moves from the side to the medial side of the foot. This results in a more natural movement and feel during a step cycle.
[069] Figs. 5B and 5C further illustrate the cutting areas 412 of the midsole component 400 extending through the side walls of the midsole component 400, thereby opening a through hole or window into the midsole component 400 where the bladder system is 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 aspects of the sole structure so that the bladder system 120 stands out and is more clearly visible from the outside of the sole 500 through the cutting areas 412. The outside areas of these through holes can assume any desired size, shape and aspect without departing from the present invention. In addition to providing a window for the sole structure 500 and an interesting aesthetic appearance to it, through holes can help lighten the midsole component 400 a little and help to control and / or fine-tune flexibility and support aspects of the midsole component 400.
[070] If desired, according to at least some examples of the present invention, the outer sole component 110 may be made of a transparent or translucent material (or of a partially transparent or translucent material, for example, a colored polymeric component, but clear or substantially clear). When produced 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 parts of one or more of the fluid-filled bladder systems 120, 130 can be made of a material with a different color from the lower surface of the midsole component 400 so that the fluid-filled bladders 120, 130 and the midsole component 400 are distinguishable from each other through the bottom of the outer sole component 110 (for example, assuming that the fluid-filled bladders 120, 130 are mounted on the outer sole component 110 through openings 140a, 140b extending completely through the component midsole 400). For example, in the view illustrated in Fig. 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 bladders filled with fluid 120, 130 through the outer sole component 110. Similarly, if desired, the arch support member 506 can be made of a material with a different color (at least on its bottom surface) from the bottom surface of the midsole component 400 so that the support member 506 and the midsole component 400 are distinguishable from each other through the bottom of the outer sole component 110. As a more specific example, in the view illustrated in Fig. 5D, the color (s) in the outer sole area covering the arch support member 506 may be different from that of the color (s) in the locations of the outsole component 110 directly covering the component center sole 400 due to the ability to see the lower part of the support member 506 through the outer sole component 110. The lower surfaces of the arch support member 506 and the fluid-filled bladders in the projection areas 112a and 114a may have the same colors or different colors.
[071] Fig. 5E illustrates other aspects of the illustrative 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 Fig. 5A. Alternatively, if desired, the forefoot plate 512 of Fig. 5E could be used with the forefoot plate 504 of Fig. 5A of the forefoot plate 502 of Fig. 5A could be used with the forefoot plate 514 of Fig. 5E . Note that the forefoot plate structure 512 illustrative of Fig. 5E includes an extended thumb support area 502b, although this projection can be omitted (or the overall upper edge of the plate could be formed to bend more smoothly) without depart from the present invention.
[072] Figs. 6A and 6B illustrate lateral and medial side views, respectively, of a shoe article 600 including sole structures 500 as in Figs. 5A to 5E incorporated therein. Footwear 600 includes an upper component 602, which can be made of one or more component parts, attached to the sole structure 500. The upper part 602 and the sole structure 500 can have any of the desired aspects and / or combination of the aspects described above, Including the aspects and / or combination of the aspects of the upper limb 302 described above in conjunction with Figs. 3A to 3D.
[073] The midsole component 400 in the sole structure example 500 shown in Figs. 6A and 6B additionally include one or more rear heel through holes 430 through which a portion of the upper part 602 is exposed. In addition to providing an interesting aesthetic appearance for the outsole structure 500, the through hole (s) 430 can help illuminate the midsole component 400 a little and help to control and / or adjust finely the flexibility and support aspects of the midsole component 400.
[074] Fig. 7 illustrates another example of sole structure 700 according to at least some aspects of the present invention. As shown in Fig. 7, this illustrative 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 known and used in the art. Although not illustrated in the illustrative structure 700 of Fig. 7, if desired, the inner main surface 710b of the outer sole component 710 may include one or more raised areas (such as raised ribs 116) defining a space for receiving one or more bladder systems filled with fluid, for example, like the double stacked fluid filled bladder system 720 shown in Fig. 7.
[075] The inner main surface 710b of the outer sole component 710 is attached to 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 illustrative 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 user's metatarsal head and / or fingers, located in a hindfoot area to support a user's heel, a single bladder filled with fluid that extends from the heel area to the midfoot or forefoot area of the sole structure, etc.). A base surface 742 may at least partially surround the receptacle area 740a, and at least some parts of this base surface 742 may be lowered slightly to the upper main surface of the midsole component 740. If desired, the midsole component 740 may include separate forefoot and hindfoot 740a areas. In addition, receptacle areas 740a may constitute complete through holes as shown in Fig. 7, or they may constitute blind holes (for example, where a layer of the midsole component 740 or a midsole material is provided at the bottom of the area receptacle 740a covering the inner main surface 710b of the outer sole component 710).
[076] As noted above, a fluid filled bladder system 720 is received in receptacle area 740a. Unlike the structures described above in conjunction with Figs. 1A to 6B, in this example of 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 D) 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 D 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 illustrated in Fig. 7, this illustrative sole structure 700 includes a rigid plate component 750 having a lower main surface 750S overlapping and engaging with the upper surface 720S of the bladder system filled with fluid 720. O rigid plate component 750 may 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 Fig. 7, the perimeter edges 750E of the rigid plate component 750 extend beyond the edges 720E of the fluid filled bladder system 720 and above the base surface 742 of the midsole component 740. Note that, however, in this illustrative structure 700, the lower main surface 750S of the rigid plate component 750 does not come into contact with the base surface 742 of the midsole component 740 when the sole structure 700 is in an uncompressed condition. Instead, the perimeter edges 750E of the rigid plate component 750 "hang over" the base surface 742 when the sole structure 700 is in an uncompressed condition, thus defining a gap 760 between the perimeter edges 750E and the base surface. 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, leaving some part of space 760 in structure 700.
[078] Space 760 provides different / additional impact force attenuation properties to the sole structure 700 of this illustrative construction. When a downward force 762 is applied to the rigid plate component 750 (for example, by a user step, when landing from a jump, etc.), the rigid plate component 750 will move downward, compressing the bladder filled with 720 fluid. The gap 760 allows this movement to occur without the need to further compress any midsole foam material, thus resulting in a slightly softer, more comfortable feeling. If necessary, the base surface 742 can act as a “stop” system to interrupt or slow down the compression of the bladder system filled with fluid 720 and prevent excessive compression of the system. Since the fluid-filled bladder system 720 of this illustrative sole structure 700 includes a gas under pressure in the sealed bladder wrap, the fluid-filled bladder system 720 recovers quickly and attempts to return to its original configuration. This action applies an upward force on the rigid plate component 750, which is shown in Fig. 7 by arrows 764. The general sole structure 710 provides a comfortable, soft feel to the user, excellent attenuation of impact force, responsiveness and a propulsive return force or recovery 764 desired at the user's feet.
[079] Sole structures 700 of the types illustrated in Fig. 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 hindfoot, A support bladder total foot, etc.). Alternatively, if desired, sole structures of the types illustrated in Fig. 7 can 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 Figs. 5A to 5E. As yet another alternative, if desired, sole structures of the types illustrated in Fig. 7 can include multiple fluid-filled bladder systems and a single rigid plate component, for example, of the types illustrated in Figs. 1A to 2C. As yet another alternative, if desired, in any of the sole structures described above, a single fluid-filled bladder system may have multiple rigid plate components covering the same. Any desired numbers and combinations of fluid-filled bladder systems and rigid plate components can be used without departing from the present invention, including more than two fluid-filled bladder systems and plate components.
[080] Figs. 8A and 8B illustrate illustrative cross-sectional views of a shoe article 800 incorporating the impact attenuation space aspect 760 of the sole structure 700 described above in conjunction with Fig. 7. The illustrative upper part 802 shown in Figs. 8A and 8B can be the same or similar to that described above in conjunction with Figs. 3A to 3D. The structure illustrated in Fig. 8A can be provided, for example, in a forefoot area of a shoe structure (for example, as described above in conjunction with Figs. 1A to 1D, 3C and 4A to 6B), and the The structure illustrated in Fig. 8B can be provided, for example, in a rear area of a shoe structure (for example, as described above in conjunction with Figs. 1A to 1C, 1E and 3D to 6B). In addition, if desired, the stacked bag fluid filled bladder system 720 shown in Fig. 8N can be replaced by a single fluid filled bladder system, as shown in Fig. 2B. In addition, the outer sole structure 880 shown in Figs. 8A and 8B include projection areas and raised edges more similar to the outsole structures 110 described above in conjunction with Figs. 1A to 6B, although an outsole construction like the one illustrated in Fig. 7 (for example, one without the outsole projection areas) can be used in at least some of the fluid-filled bladder areas without departing from the present invention.
[081] The upper 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 known and used in the footwear technique . 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. As the example illustrated in Figs. 3A and 3B, the upper 802 may include an ankle opening and one or more fastening systems (such as laces, laces, buckles, etc.) to secure footwear 800 to a user's foot. A tongue member 808 can be provided over the instep area of the shoe 800 to help moderate the feel of the attachment system on the wearer's foot.
[082] As further illustrated in Figs. 8A and 8B, in this example of structure 800, the lower edges 802a of the upper part 802 are connected to each other by a strobel-like member 810 that completely closes the bottom of the entire upper part 802. This connection can be made, for example by sewing the upper edges 802a to the strobel-like member 810, or in any other desired manner, for example, as known and used in the art. The strobel-like member 810 and the upper part 802 of this construction example form a standing receiving chamber accessible through the ankle opening. The upper part 802 and the strobel-like member 810 can be attached to the sole structure 810, for example, by gluing or otherwise fixing the upper part 802 and the strobel 810 to the midsole component 740 (for example, to the lateral surfaces and / or upper of the midsole component 740) and / or the rigid plate component 750 (for example, its upper surface). As further illustrated in Figs. 8A and 8B, the top receiving foot chamber 802 may additionally include a sock liner 812. Although it can be fixed within the foot receiving chamber, the sock liner 812 can simply be above the strobel-like member 810 ( and thus can be more easily removed from the standing receiving chamber). The sock liner 812 can be made of a soft, comfortable material (for example, a foam material), to provide a soft, comfortable surface to engage with the user's foot.
[083] Alternatively, if desired, one or more of the strobel-like member 810, the sock liner 812 and / or the tongue member 808 can be replaced by a booty member or other structure to receive the user's foot. As another option, for example, as the structure illustrated in Figs. 3A and 3B, the area around the ankle opening 802 of this illustrative upper 802 can be provided with a soft and comfortable fabric element 316 to provide a comfortable fit to the user's foot.
[084] Figs. 9A and 9B illustrate cross-sectional views of hindfoot and forefoot, respectively, of another example of sole structure construction according to at least some examples of the present 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 sole structure components or constructions described above in conjunction with Figs. 1A to 8B. More detailed descriptions of these constructions are provided below.
[085] Fig. 9A shows an illustration of a heel or back part of a sole structure 900 in accordance with this illustrative aspect of the present invention. As illustrated, 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 example of illustrated structure 900, the outer sole component 910 does not include the projection areas described above, for example, with reference to Figs. 1A to 6B, 8A and 8B, but a projection area could be provided, if desired.
[086] An midsole component 940 is engaged with the main inner surface 910b of the outsole component 910. As illustrated in Fig. 9A, this illustrative midsole component 940 includes an opening 940b defined therein (which can be a blind hole) or a through hole). A hindfoot fluid-filled bladder system 920 is located at least partially within opening 940b and, in this example, is engaged with the inner main surface 910b of outer sole component 910 within opening 940b. A rigid plate member 950 overlaps at least partially an upper surface 920S of the fluid filled bladder system 920 so 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 with each other (and optionally attached to each other, for example, by means of adhesives) when that part of the sole structure 900 is in an uncompressed condition.
[087] Fig. 9A further illustrates that, in this illustrative structure 900, the perimeter edges 950E of the rigid plate member 950 extend over (and optionally come in contact with) a base surface 942 provided on the upper main surface of the component midsole 940. If desired, the rigid plate member 950 can be attached to the midsole component 940 in this perimeter area, for example, by means of adhesives.
[088] As further illustrated in Fig. 9A, a lower surface of the midsole component 940 adjacent to the inner wall 946 of the opening 940b includes a recess area 948 that defines a gap between at least part 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 the present invention, in this illustrated structure example, the lower cut area 948 generally it is shaped like a disk and has a higher or maximum height (H cut) within a range of 1 to 15 mm when that part of the 900 sole structure is in an uncompressed condition, and in some instances, a maximum height from 1.5 to 12 mm or even from 1.75 to 10 mm when that part of the sole structure 900 is in an uncompressed condition. In addition, 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).
[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 gap height (lower cut) has its height reduced ( for example, it contracts at least partially). 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 bladder filled with fluid 920 provides recovery energy, responsiveness and the feeling of a propulsive force .
[090] Fig. 9B shows a part with a similar sole structure 960, but dimensioned and formed more for use in a forefoot area of a general sole and / or shoe structure. The same reference numbers are used in Fig. 9B as in 9A to represent the same or similar parts, so that the corresponding description is omitted. In this example of illustrated structure 960, the outer sole component 910 does not include the projection areas described above, for example, with reference to Figs. 1A to 6B, 8A and 8B, but a projection area could be provided, if desired. In addition, in this illustrated example, although the lower cut area 948 can define any desired size, shape and / or volume without departing from the present invention, in this illustrated structure example, the lower cut area 948 generally has the shape of a disk and has a higher or maximum height (lower cut) within a range of 1 to 15 mm when that part of the 960 sole structure 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 part of the 960 soleplate is in an uncompressed condition. In addition, 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 Fig. 9B can function in a manner similar to that described above for the sole structure 900 of Fig. 9A.
[091] Figs. 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. Instead, 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, so that the midsole material defines both the upper and lower surface of the region bottom cut 948. As some more specific examples, if desired, the bottom 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] (A) the lower cut area (s) 948 and the gap (s) described above in conjunction with Figs. 9A and / or 9B could be used in any of the sole structures described above, either in combination with any of the sole structures 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 gap (s) described above in conjunction with Figs. 9A and / or 9B and the sole structures containing such lower cut area (s) 948 and gap (s) can be used in conjunction with any desired upper construction, including the upper construction described above. Still as additional alternatives, if desired, the sole structure parts of Figs. 9a or 9B can be used individually in a given sole or shoe structure, for example, with other conventional impact force attenuation components provided in other areas or regions of the sole or shoe structure.
[093] Figs. 10A to 10C illustrate aspects of additional sole structures according to at least some examples of the present invention. Fig. 10A shows a bottom view, Fig. 10B shows a side view, and Fig. 10C provides a cross-sectional view of the plate member 1050. In the example of sole structure 1000 illustrated in these figures, the midsole components and forefoot outsole are separated from the midsole and hindfoot outsole components, as will be described in more detail below.
[094] More specifically, as illustrated in Figs. 10A and 10B, this example of sole structure 1000 includes a forefoot sole component 1010 including an outer main surface 1010a and an inner main surface located opposite the outer main surface (and internal to the general sole structure 1000). A 1040 forefoot midsole component is attached to the inner main surface of the 1010 forefoot outsole component. This 1040 forefoot midsole component includes a forefoot receptacle defined therein (for example, a through hole or a blind hole), and that receptacle can take 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 can assume any of the general shapes, structures and / or characteristics of the outsole components described above in conjunction with Figs. 1A to 9B, including a projection area 1012, as illustrated in broken lines in Fig. 10B.
[095] As illustrated in Figs. 10A and 10B, this forefoot 1010 component includes a rigid plate member 1050, and that rigid plate member 1050 includes a part that overlaps at least partially the bladder system filled with forefoot fluid inside the midsole component 1040, for example, in any of the various ways described above. Unlike the other sole structures described above, however, in this 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 forefoot midsole component 1040 and the fluid-filled bladder contained in the receptacle therein) and a part located outside the forefoot outer sole component 1010. Note that, as illustrated in the illustrative structures of Figs. 10A and 10B, a lower surface 1050a of the rigid plate member 1050 is exposed and forms a lower surface of the general sole structure 1000 in an arc area of the sole structure (i.e., in a location behind the outer sole component. forefoot 1010).
[096] The sole structure 1000 of this example further illustrated includes a 1060 hindfoot impact attenuation system to attenuate ground reaction forces in a heel area of the sole structure 1000. In some illustrative sole structures 1000 according to aspects of the present 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 Figs. 1A to 9A), such as impact attenuation systems including one or more fluid-filled bladders (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 systems and impact including one or more mechanical impact absorbing elements, etc.
[097] As an alternative, as illustrated in Figs. 10A and 10B, however, in this illustrative sole structure 1000, the hindfoot impact mitigation system 1060 includes a hindfoot sole component 1062 separate from the hindfoot sole component 1010a and a separate hindfoot midsole component 1064 of 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 example of sole structure 1000 by the exposed part of the rigid plate member 1050. As illustrated in Fig. 10A, in this example of sole structure 1000, a rear portion of the rigid plate member 1050 extends over and engages an upper surface of at least a portion of the hindfoot impact attenuation system 1060 (for example, example, overlaps and / or engages the upper surface of at least one of the hindfoot midsole component 1064 or the hindfoot outsole component 1062).
[098] As yet another option or alternative, if desired, the hindfoot impact attenuation system 1060 can assume the general shape and structure described above with respect to Figs. 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 receptacle hindfoot (a through hole or a blind hole) defining in the same to receive a bladder system filled with hindfoot fluid. In this example of sole structure 1000, in addition to including a first rigid plate part at least partially overlapping the bladder system filled with forefoot fluid, the rigid plate member 1050 additionally includes a second rigid plate part at least partially overlapping ( and optionally completely covering) the hindfoot fluid-filled bladder system provided in hindfoot midsole component 1064. In other words, the construction and / or parts of the sole structure 1000 may be similar to the construction and / or parts of the sole structure sole 100 of Fig. 1A (and / or the various other embodiments and variants described above in Figs. 1A to 9B), but the front and rear midsole and outsole 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 sole component 1010 and the hindfoot outer sole component 1062.
[099] As further illustrated in Figs. 10B and 10C, this illustrative sole structure 1000 includes a lateral support component 1070 extending along a side forefoot side of the sole structure 1000. That illustrative lateral support component 1070 includes at least a part located between the component forefoot outsole 1010 and the forefoot midsole component 1040. The side support component 1070 can wrap a part of the upper part 1002 and provide additional support, for example, along the side of the forefoot or the fifth metatarsal area of the shoe, for athletic use, such as additional support during quick turns or cutting movements during running, etc.
[0100] Figs. 10A to 10C show additional details of the rigid plate members 1050 that can be used in this sole structure 1000 and / or in other sole structures according to the examples of the present invention (for example, in the structures of Figs. 1A to 9B) . For example, as illustrated in these figures, rigid plate member 1050 may include a side edge 1052 and a medial side edge 1054 extending upwardly from the bottom surface 1050a of rigid plate member 1050 at least in the arc area of the sole structure 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 illustrative structure further 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 behind 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 supplied without moving away of the present invention, including 1056 rib elements of any desired size and / or cross-sectional shape. In addition, although illustrated on the inner surface in Figs. 10A and 10C, if desired, all or some of the rib elements 1056 could be provided on the outer surface of the plate member 1050 without departing from the present invention. The rigid plate member 1050 can be slightly curved, if desired, for example, in the front to rear and / or side to side directions, for example, as described above.
[0102] Figs. 10A and 10B 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 constructions and / or materials without departing from the present invention, including the constructions and / or materials described above and / or other constructions and materials known and used in the art. A 1072 buttress to support the user's heel is also illustrated in the illustrative structure of Fig. 10B.
[0103] The various illustrative structures described above in conjunction with Figs. 1A to 10C use fluid-filled bladders sealed within the receptacles defined a midsole component. The fluid-filled bladders used in the examples of the present invention include a fluid, such as a gas, under ambient pressure or under high pressure (above standard or atmospheric pressure). Such fluid-filled bladders are advantageous, since they can provide excellent attenuation of impact force, responsiveness and a propulsive return force or elastic recovery to the user's foot. Rigid plates help to better return this force to the user (for example, compared to a softer overlay material). If desired, however, in at least some illustrative structures in accordance with the present invention, one or more of the fluid-filled bladders in the structures described above can be replaced with a foam material, such as polyurethane foams, acetate foams. ethyl vinyl, among others. 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 bladders of rigid plaque located in both the forefoot and hindfoot areas. Aspects of the present invention are not limited to such structures. For example, if desired, a bladder system filled with fluid moderated by 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 forefoot or arch area, including conventional impact force attenuation systems provided in these other areas (eg polymeric foam materials, fluid-filled bladder systems, mechanical impact absorber systems, etc. .). As another example, if desired, a bladder system filled with fluid moderated by a 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 the forefoot or arch area, including conventional impact force attenuation systems provided in these other areas (for example, polymeric foam materials, fluid-filled bladder systems, mechanical impact absorber systems, etc.). Also as additional alternatives, if desired, additional fluid-filled bladder systems moderated by rigid plates (or foam systems) can be provided in the general sole structure, for example, so that the forefoot area includes two or more fluid-filled bladder separated by separate rigid plate and / or so that the hindfoot area includes two or more separate fluid-filled bladder systems. A fluid-filled bladder system with a rigid plate could also be provided in the midfoot or arch area, if desired, and / or at least one of the fluid-filled bladder systems with a forefoot or hindfoot plate can be used. extend at least partially to the midfoot or arch area. III. Conclusion
[0105] The present invention is disclosed above and in the accompanying drawings, with reference to a variety of embodiments. However, the purpose proposed by the disclosure is to present examples of the various aspects and concepts related to the invention, and not to limit the scope of the invention. Those skilled in the relevant art will recognize that numerous variations and modifications may be made in the above-described embodiments, without departing from the scope of the present invention, as defined by the appended claims.

权利要求:
Claims (30)
[0001]
1. Sole structure (100) for a shoe item (300), FEATURED for comprising: an outer sole component (110) including an outer main surface (110a) and an inner main surface (110b); an midsole component (140) engaged with the inner main surface (110b) of the outsole component (110), wherein the midsole component (140) includes a receptacle (740a) defined therein, and in which a cutting region bottom (948) is defined in the midsole component (140) as a space between at least part of a lower surface of the midsole component (140) and the inner main surface (110b) of the outer sole component (110), in that the lower cut region (948) extends at least partially around a periphery of the receptacle (740a); a fluid-filled bladder system (130) located at least partially within the receptacle (740a); and a rigid plate part (150) at least partially overlapping the fluid-filled bladder system (130), wherein a compressive force is applied between the rigid plate part (150) and the outer main surface (110a) of the component outer sole (110) causes the lower cut region (948) to decrease in height.
[0002]
2. Sole structure (100) according to claim 1, CHARACTERIZED by the fact that the lower cut region (948) extends completely around the periphery of the receptacle (740a).
[0003]
3. Sole structure (100) according to claim 1, CHARACTERIZED by the fact that the receptacle (740a) constitutes a through hole that extends completely through the midsole component (140), and in which the bladder system filled with fluid (130) it is attached to the inner main surface (110b) of the outer sole component (110).
[0004]
4. Sole structure (100) according to claim 1, CHARACTERIZED by the fact that the receptacle (740a) is provided in a heel part of the midsole component (140).
[0005]
5. Sole structure (100) according to claim 1, CHARACTERIZED by the fact that the receptacle (740a) is provided in a forefoot part of the midsole component (140).
[0006]
6. Sole structure (100), according to claim 1, 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 decompressed.
[0007]
7. Sole structure (100), according to claim 1, CHARACTERIZED by the fact that the lower cut region (948) has a maximum height of 1.75 to 10 mm when the sole structure (100) is in an uncompressed condition.
[0008]
8. Sole structure (100) according to claim 4 or 5, CHARACTERIZED by the fact that the fluid-filled bladder system (130) includes a single fluid-filled bladder located at least partially within the receptacle (740a) .
[0009]
9. Sole structure (100) according to claim 4, CHARACTERIZED by the fact that the fluid-filled bladder system (130) includes two stacked fluid-filled bladders located at least partially within the receptacle (740a).
[0010]
10. Sole structure (100), according to claim 1, CHARACTERIZED by the fact that the rigid plate part (150) is fixed to the upper surface of the bladder system filled with fluid (130).
[0011]
11. Sole structure (100) according to claim 1, CHARACTERIZED by the fact that the perimeter edges of the rigid plate part (150) extend over a base surface (742) provided on an upper main surface (140c ) of the midsole component (140).
[0012]
12. Sole structure (100), according to claim 11, CHARACTERIZED by the fact that the rigid plate part (150) is attached to the midsole component (140) in the perimeter area.
[0013]
13. Sole structure (100), according to claim 1, CHARACTERIZED by the fact that the lower cut region (948) is discontinuous around the periphery of the receptacle (740a).
[0014]
14. Sole structure (100), according to claim 1, CHARACTERIZED by the fact that the receptacle (740a) is provided in a heel part of the midsole component (140), in which a forefoot part of the midsole component midsole (140) includes a second receptacle (740a) defined therein, wherein a second lower cut region (948) is defined in the midsole component (140) as a space between at least a part of the lower surface of the midsole component (140) and the inner main surface (110b) of the outer sole component (110), where the second lower cut region (948) extends at least partially around a periphery of the second receptacle (740a), and in that the sole structure (100) further includes: a second fluid-filled bladder system (130) located at least partially within the second receptacle (740a); and a second rigid plate part (150) at least partially overlapping the second fluid-filled bladder system (130), wherein a compressive force is applied between the second rigid plate part (150) and the outer main surface (110a ) of the outer sole component (110) causes the second lower cut region (948) to decrease in height.
[0015]
15. Footwear article (300) CHARACTERIZED by the fact that it comprises an upper (302) and a sole structure (100) as defined in any one of claims 1 to 14.
[0016]
16. Sole structure (700, 804) for a shoe item (800), FEATURED for understanding: an outer sole component (710, 880) including an outer main surface (710a) and an inner main surface (710b) ; an midsole component (740) engaged with the inner main surface (710b) of the outer sole component (710, 880), wherein the midsole component (740) includes a receptacle area (740a) and a base surface (742 ) at least partially surrounding the receptacle area (740a); a fluid-filled bladder system (720) received in the receptacle area (740a), where an upper surface (720S) of the fluid-filled bladder system (720) extends above the base surface (742) of the component midsole (740) when the sole structure (700, 804) is in an uncompressed condition; and a rigid plate component (750) having a main surface (750S) overlapping the upper surface (720S) of the fluid-filled bladder system (720), where the main surface of the rigid plate component is absent from contact with the base surface (742) of the midsole component (740) when the sole structure (700, 804) is in an uncompressed condition.
[0017]
17. Sole structure (700, 804), according to claim 16, CHARACTERIZED by the fact that: the receptacle area (740a) is a forefoot receptacle (740a) and the base surface (742) is a surface forefoot base (742) at least partially surrounding the forefoot receptacle (740a); where the fluid filled bladder system (720) is a forefoot fluid filled bladder system (720) received in the forefoot receptacle (740a), where the upper surface (720S) is an upper surface (720S) of the bladder system filled with forefoot fluid (720) which extends above the forefoot base surface (742) of the midsole component (740) when the sole structure (700, 804) is in uncompressed condition; and where the rigid plate component (750) is a rigid forefoot plate component (750), where the main surface (750S) is a main surface (750S) of the rigid forefoot component (750) overlapping the upper surface (720S) of the bladder system filled with forefoot fluid (720), where the main surface (750S) of the rigid forefoot plate component (750) is absent from contact with the forefoot base surface (742) of the midsole component (740) when the sole structure (700, 804) is in uncompressed condition.
[0018]
18. Sole structure (700, 804), according to claim 17, CHARACTERIZED by the fact that the forefoot receptacle (740a) includes a first opening (740a) that extends completely through the midsole component (740), and where the bladder system filled with forefoot fluid (720) is mounted on the inner main surface (710b) of the outer sole component (710, 880) and on the first opening.
[0019]
19. Sole structure (700, 804), according to claim 17, CHARACTERIZED by the fact that the inner main surface (710b) of the outer sole component (710, 880) includes a lowered forefoot area (112), and wherein the forefoot receptacle (740a) includes a forefoot opening (740a) that at least partially surrounds the lowered forefoot area (112) of the outer sole component (710, 880).
[0020]
20. Sole structure (700, 804) according to claim 17, CHARACTERIZED by the fact that the outer main surface (710a) of the outer sole component (710, 880) includes a forefoot projection area (112a) , where the forefoot projection area is at least partially surrounded by and protrudes beyond a first main outer sole surface area (110c), where the forefoot projection area is connected to the first sole surface area main outer (110c) by a first flexible web member (116a), and where the bladder system filled with forefoot fluid (720) is engaged with the inner main surface (710b) of the outer sole component (710, 880 ) in the forefoot projection area.
[0021]
21. Sole structure (700, 804), according to claim 17, CHARACTERIZED by the fact that the rigid forefoot plate component (750) includes perimeter edges (750E) that extend over the forefoot base surface ( 742).
[0022]
22. Sole structure (700, 804), according to claim 17, CHARACTERIZED by the fact that the bladder system filled with forefoot fluid (720) supports a first metatarsal head region of a user's foot and a fifth metatarsal head region of the user's foot, and where the rigid forefoot plate component (750) includes a groove (502a) that separates a first metatarsal support region (502b) from the rigid forefoot plate component (750) from a fifth metatarsal support region (502c) of the rigid forefoot plate component (750).
[0023]
23. Sole structure (700, 804), according to claim 17, CHARACTERIZED by the fact that the forefoot base surface (742) completely surrounds the forefoot receptacle (740a); or wherein the forefoot base surface (742) includes a recessed surface that engages at least part of a perimeter (750E) of the rigid forefoot plate component (750) when a forefoot area of the sole structure (700, 804) is compressed.
[0024]
24. Sole structure (700, 804) according to claim 16, CHARACTERIZED by the fact that: the receptacle area (740a) is a hindfoot receptacle (740a) and the base surface (742) is a surface hindfoot base (742) at least partially surrounding the hindfoot receptacle (740a); where the fluid filled bladder system (720) is a hindfoot fluid filled bladder system (720) received in the hindfoot receptacle (740a), where the upper surface (720S) is an upper surface (720S) of the bladder system filled with hindfoot fluid (720) which extends above the hindfoot base surface (742) of the midsole component (740) when the sole structure (700, 804) is in uncompressed condition; and where the rigid plate component (750) is a rigid hindfoot plate component (750), where the main surface (750S) is a main surface (750S) of the rigid hindfoot component (750) overlapping the upper surface (720S) of the bladder system filled with hindfoot fluid (720), where the main surface (750S) of the rigid hindfoot plate component (750) is absent from contact with the hindfoot base surface (742) of the midsole component (740) when the sole structure (700, 804) is in uncompressed condition.
[0025]
25. Sole structure (700, 804) according to claim 24, CHARACTERIZED by the fact that the hindfoot receptacle (740a) includes a first opening (740a) that extends completely through the midsole component (740), and in which the hindfoot fluid filled bladder system (720) is mounted on the inner main surface (710b) of the outer sole component (710, 880) and the first opening (740a).
[0026]
26. Sole structure (700, 804) according to claim 24, CHARACTERIZED by the fact that the inner main surface (710b) of the outer sole component (710, 880) includes a recessed rear area (114) and wherein the hindfoot receptacle (740a) includes a hindfoot opening (740a) that at least partially surrounds the lowered hindfoot area (114) of the outer sole component (710, 880).
[0027]
27. Sole structure (700, 804) according to claim 24, CHARACTERIZED by the fact that the outer main surface (710a) of the outer sole component (710) includes a rear projection area (114a), in that the hindfoot projection area (114a) is at least partially surrounded by and projects beyond a first main outer sole surface area (110d), in which the hindfoot projection area (114a) is connected to the first main outer sole surface (110d) by a first flexible web member (116b) and where the bladder system filled with hindfoot fluid (720) is engaged with the inner main surface (710b) of the outer sole component (710 ) in the rear projection area (114a).
[0028]
28. Sole structure (700, 804) according to claim 24, CHARACTERIZED by the fact that the rigid hindfoot plate component (750) includes perimeter edges (750E) that extend over the hindfoot base surface ( 742).
[0029]
29. Sole structure (700, 804), according to claim 24, CHARACTERIZED by the fact that the hindfoot base surface (742) completely surrounds the hindfoot receptacle (740a); or wherein the rear foot surface (742) includes a recessed surface that engages at least part of a perimeter (750E) of the rigid rear foot plate component (750) when a rear foot area of the sole structure (700, 804) is compressed.
[0030]
30. Sole structure (700, 804), according to claim 17, CHARACTERIZED by the fact that: the midsole component (740) further includes a hindfoot receptacle (740a) and a hindfoot base surface (742) at least partially surrounding the hindfoot receptacle (740a); and where the sole structure (700, 804) further comprises: a bladder system filled with hindfoot fluid (720) received in the hindfoot receptacle (740a), where an upper surface (720S) of the bladder system filled with hindfoot fluid (720) extends above the hindfoot base surface (742) of the midsole component (740) when the sole structure (700, 804) is in uncompressed condition; and a rigid hindfoot plate component (750) having a main surface (750S) overlapping the upper surface (720S) of the bladder system filled with hindfoot fluid (720), wherein the main surface (750S) of the rigid plate of hindfoot is absent from contact with the hindfoot base surface (742) of the midsole component (740) when the sole structure (700, 804) is in uncompressed condition.

类似技术:

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公开号 | 公开日 | 专利标题

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BR112015006180B1|2020-12-15|SOLE STRUCTURE FOR A FOOTWEAR ITEM AND THE SAME

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JP2018202196A|2018-12-27|Sole structures and articles of footwear having plate moderated fluid-filled bladders and/or foam type impact force attenuation members

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EP2897484B1|2017-08-30|Sole structures and articles of footwear having plate moderated fluid-filled bladders

同族专利:

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公开号 | 公开日

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CN106263248B|2019-07-02|

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ES2708431T3|2019-04-09|

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IN2015DN02862A|2015-09-11|

---

EP2897482B1|2018-10-31|

---

WO2014046940A1|2014-03-27|

---

AU2016244231B2|2019-01-03|

---

KR20150058317A|2015-05-28|

---

CN104661547A|2015-05-27|

---

AU2013318385A1|2015-03-12|

---

US20140075779A1|2014-03-20|

---

CN104661547B|2016-10-12|

---

JP6076482B2|2017-02-08|

---

CA2884263C|2017-06-13|

---

CN106263248A|2017-01-04|

---

KR101811505B1|2017-12-21|

---

AU2013318385B2|2016-08-25|

---

EP3430933A1|2019-01-23|

---

MX356222B|2018-05-18|

---

EP3430933B1|2020-07-15|

---

EP2897482A1|2015-07-29|

---

US20160360831A1|2016-12-15|

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US9456658B2|2016-10-04|

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BR112015006180A2|2017-07-04|

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JP2015529139A|2015-10-05|

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ZA201502649B|2016-10-26|

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AU2016244231A1|2016-11-03|

---

MX2015003650A|2015-09-25|

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CA2884263A1|2014-03-27|

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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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2020-09-15| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|

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2020-12-15| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 11/09/2013, OBSERVADAS AS CONDICOES LEGAIS. |

优先权:

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申请号 | 申请日 | 专利标题

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US13/623,722|2012-09-20|

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US13/623,722|US9456658B2|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|

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PCT/US2013/059268|WO2014046940A1|2012-09-20|2013-09-11|Sole structures and articles of footwear having plate moderated fluid-filled bladders and/or foam type impact force attenuation members|

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