EP2856899B1 - Chaussure - Google Patents

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Publication number
EP2856899B1
EP2856899B1 EP14003308.5A EP14003308A EP2856899B1 EP 2856899 B1 EP2856899 B1 EP 2856899B1 EP 14003308 A EP14003308 A EP 14003308A EP 2856899 B1 EP2856899 B1 EP 2856899B1
Authority
EP
European Patent Office
Prior art keywords
chassis
footwear
article
ground
projections
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP14003308.5A
Other languages
German (de)
English (en)
Other versions
EP2856899A1 (fr
Inventor
Perry W. Auger
Andrew Caine
Sergio Cavaliere
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nike Innovate CV USA
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Nike Innovate CV USA
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Filing date
Publication date
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Publication of EP2856899A1 publication Critical patent/EP2856899A1/fr
Application granted granted Critical
Publication of EP2856899B1 publication Critical patent/EP2856899B1/fr
Active legal-status Critical Current
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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/22—Supports for the shank or arch of the uppers
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A43B13/026—Composites, e.g. carbon fibre or aramid fibre; the sole, one or more sole layers or sole part being made of a composite
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A43B13/12—Soles with several layers of different materials
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A43B13/12—Soles with several layers of different materials
    • A43B13/122—Soles with several layers of different materials characterised by the outsole or external layer
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/141—Soles; Sole-and-heel integral units characterised by the constructive form with a part of the sole being flexible, e.g. permitting articulation or torsion
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/16—Pieced soles
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/02—Football boots or shoes, i.e. for soccer, football or rugby
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/1445—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the midfoot, i.e. the second, third or fourth metatarsal

Definitions

  • the present disclosure is directed to an article of footwear and, more particularly, to an article of footwear having a sole structure including a chassis having both rigid and flexible components.
  • Conventional articles of athletic footwear include two primary elements, an upper and a sole structure.
  • the upper provides a covering for the foot that comfortably receives and securely positions the foot with respect to the sole structure.
  • the sole structure is secured to a lower portion of the upper and is generally positioned between the foot and the ground.
  • the sole structure may influence foot motions (for example, by resisting pronation), impart stability, and provide traction, for example. Accordingly, the upper and the sole structure operate cooperatively to provide a comfortable structure that is suited for a wide variety of athletic activities.
  • the upper is often formed from a plurality of material elements (for example, textiles, polymer sheets, foam layers, leather, synthetic leather) that are stitched or adhesively bonded together to define a void on the interior of the footwear for comfortably and securely receiving a foot. More particularly, the upper forms a structure that extends over instep and toe areas of the foot, along medial and lateral sides of the foot, and around a heel area of the foot.
  • the upper may also incorporate a lacing system to adjust fit of the footwear, as well as permit entry and removal of the foot from the void within the upper.
  • the upper may include a tongue that extends under the lacing system to enhance adjustability and comfort of the footwear, and the upper may incorporate a heel counter.
  • the sole structure generally incorporates multiple layers: a sockliner, a midsole, and a ground-engaging component.
  • the sockliner is a thin, compressible member located within the upper and adjacent to a plantar (that is, lower) surface of the foot to enhance footwear comfort.
  • the midsole is secured to a lower surface of the upper and forms a middle layer of the sole structure.
  • Many midsole configurations are primarily formed from a resilient polymer foam material, such as polyurethane (PU) or ethyl vinyl acetate (EVA), that extends throughout the length and width of the footwear.
  • PU polyurethane
  • EVA ethyl vinyl acetate
  • the midsole may also incorporate plates, moderators, fluid-filled chambers, and/or other elements that further attenuate forces, influence the motions of the foot, and/or impart stability, for example.
  • the ground-engaging component may be fashioned from a durable and wear-resistant material (for example, rubber) that includes texturing to improve traction.
  • Patent document US 2005/0016029 A1 discloses a soccer shoe that includes and upper and a cleat assembly coupled to the upper.
  • the cleat assembly further includes a medial support bar located on the medial side and a lateral support bar located on the lateral side.
  • Patent document US 2011/0088287 A1 discloses a sole structure for an article of footwear.
  • the sole structure includes a reinforcing plate wherein the reinforcing plate includes a first flange portion corresponding to a big toe of a foot and a second flange portion corresponding to a ball region of a foot.
  • the first flange portion and the second flange portion each include a cleat member.
  • Patent document US 5 339 544 A discloses a footgear structure that includes a first component, made of a single piece of synthetic material, having a rear upper portion which extends from an insole, and a second component having a front upper portion and a lining. The first and second components are mutually united, with the lining accommodated inside the rear upper portion.
  • Patent document US 2006/0021255 A1 discloses an article of footwear that includes a chassis with a forefoot portion formed of a relatively flexible material, and a midfoot portion and a heel portion formed of a material that is stiffer.
  • Sole structures have been developed that include reinforcing plates having a substantially narrow configuration in conjunction with outsoles also having a similarly narrow configuration.
  • reinforcing plates have front or rear sections that flare to a wider shape. These flared configurations can add weight, and restrict flexibility in the forefoot sections of the shoe.
  • the problem relates to improving the flexing behavior in different regions of the chassis and at the same time providing high comfort to the wearer.
  • the present disclosure is directed to an article of footwear.
  • the article of footwear comprises an upper configured to receive a foot and a sole structure fixedly attached to the upper and includes a sole component having a ground-engaging lower surface.
  • the sole structure further includes a chassis configured to provide support to the sole component, wherein the chassis includes a forefoot region, a midfoot region, a heel region, a lateral width, a longitudinal axis, and a central portion extending through at least a portion of the forefoot region, the midfoot region, and the heel region.
  • the chassis further includes a plurality of chassis projections extending laterally from the central portion of the chassis; wherein the plurality of the chassis projections includes a first chassis projection, at least a first chassis portion of the first chassis projection being formed from a first material and at least a second chassis portion of the first chassis projection being formed from a second material having a substantially different level of flexibility than the first material; characterized in that: the second chassis portion is disposed further forward than the first chassis portion; the first chassis portion directly contacts the second the second chassis portion at an interface in a transition region of the chassis; the first chassis portion has a first upper surface; the second chassis portion has a second upper surface; wherein the first upper surface is flush with the second upper surface at the interface.
  • the present disclosure is directed to an article of footwear.
  • the article of footwear may include an upper configured to receive a foot; and a sole structure fixedly attached to the upper and including a sole component having a ground-engaging lower surface.
  • the sole structure may further include a chassis configured to provide support to the sole component, wherein the chassis includes a forefoot region, a midfoot region, a heel region, a lateral width, and a central portion extending through at least a portion of the forefoot region, the midfoot region, and the heel region.
  • the chassis may further include a plurality of chassis projections extending laterally from the central portion of the chassis; a reinforcing rib disposed longitudinally and having a longitudinal length and a lateral width; and one or more chassis projections extending from the central portion of the chassis.
  • the reinforcing rib may include a rearward end disposed proximate the heel region of the chassis, the reinforcing rib longitudinally extending substantially through the midfoot region of the chassis to a forward end of the reinforcing rib.
  • the lateral width of the reinforcing rib may span a substantial majority of the lateral width of the chassis.
  • the lateral width of the reinforcing rib at the forward end and the rearward end may be less than or equal to the lateral width of the reinforcing rib at any point between the rearward end and the forward end.
  • a first portion of the chassis may be formed of a first material and a second portion of the chassis is formed of a second material having a substantially different level of flexibility than the first material.
  • fixedly attached shall refer to two components joined in a manner such that the components may not be readily separated (for example, without destroying one or both of the components).
  • exemplary modalities of fixed attachment may include joining with permanent adhesive, rivets, stitches, nails, staples, welding or other thermal bonding, and/or other joining techniques.
  • FIG. 1 depicts an embodiment of an article of footwear 10, which may include a sole structure 12 and an upper 14.
  • footwear 10 may be divided into three general regions: a forefoot region 16, a midfoot region 18, and a heel region 20.
  • Forefoot region 16 generally includes portions of footwear 10 corresponding with the toes and the joints connecting the metatarsals with the phalanges.
  • Midfoot region 18 generally includes portions of footwear 10 corresponding with an arch area of the foot.
  • Heel region 20 generally corresponds with rear portions of the foot, including the calcaneus bone.
  • Regions 16, 18, and 20 are not intended to demarcate precise areas of footwear 10. Rather, regions 16, 18, and 20 are intended to represent general relative areas of footwear 10 to aid in the following discussion.
  • sole structure 12 and upper 14 both span substantially the entire length of footwear 10, the terms forefoot region 16, midfoot region 18, and heel region 20 apply not only to footwear 10 in general, but also to sole structure 12 and upper 14, as well as the individual elements of sole structure 12 and upper 14.
  • the disclosed footwear components may be formed of any suitable materials.
  • one or more materials disclosed in Lyden et al. U.S. Patent No. 5,709,954 ) may be used.
  • upper 14 may include one or more material elements (for example, textiles, foam, leather, and synthetic leather), which may be stitched, adhesively bonded, molded, or otherwise formed to define an interior void configured to receive a foot.
  • the material elements may be selected and arranged to selectively impart properties such as durability, air-permeability, wear-resistance, flexibility, and comfort.
  • An ankle opening 22 in heel region 20 provides access to the interior void.
  • upper 14 may include a lace 24, which may be utilized to modify the dimensions of the interior void, thereby securing the foot within the interior void and facilitating entry and removal of the foot from the interior void.
  • Lace 24 may extend through apertures in upper 20, and a tongue portion 26 of upper 14 may extend between the interior void and lace 24.
  • Upper 14 may alternatively implement any of a variety of other configurations, materials, and/or closure mechanisms.
  • upper 14 may include sock-like liners instead of a more traditional tongue; alternative closure mechanisms, such as hook and loop fasteners (for example, straps), buckles, clasps, cinches, or any other arrangement for securing a foot within the void defined by upper 14.
  • Sole structure 12 may be fixedly attached to upper 14 (for example, with adhesive, stitching, welding, and/or other suitable techniques) and may have a configuration that extends between upper 14 and the ground. Sole structure 12 may include provisions for attenuating ground reaction forces (that is, cushioning the foot). In addition, sole structure 12 may be configured to provide traction, impart stability, and/or limit various foot motions, such as pronation, supination, and/or other motions. The configuration of sole structure 12 may vary significantly according to one or more types of ground surfaces on which sole structure 12 may be used, for example, natural turf, synthetic turf, dirt, pavement (for example, asphalt, concrete, and other types of pavement), as well as indoor surfaces, such as hardwood, synthetic rubber surfaces, tile, and other indoor surfaces.
  • ground surfaces on which sole structure 12 may be used for example, natural turf, synthetic turf, dirt, pavement (for example, asphalt, concrete, and other types of pavement), as well as indoor surfaces, such as hardwood, synthetic rubber surfaces, tile, and other indoor surfaces.
  • sole structure 12 may vary significantly based according to the type of activity for which footwear 10 is anticipated to be used (for example, running, walking, soccer, baseball, basketball, and other activities).
  • Footwear 10 is depicted in the accompanying figures as a cleated shoe, having a sole structure suited for natural and/or synthetic turf.
  • footwear 10, as depicted may be suited for soccer, such a cleated shoe may be applicable for use in other activities on natural and/or synthetic turf, such as baseball, football, and other such activities where traction and grip may be significantly enhanced by cleat members.
  • many of the features of footwear 10 discussed herein may be applicable to other types of footwear, including non-cleated footwear.
  • sole structure 12 may include multiple components, which may individually and/or collectively provide footwear 10 with a number of attributes, such as support, rigidity, flexibility, stability, cushioning, comfort, reduced weight, and/or other attributes.
  • sole structure 12 may include an insole 26, a midsole 28, a chassis 100, and a sole component 30, as shown in FIG. 1 . In some cases, however, one or more of these components may be omitted.
  • Insole 26 may be disposed in the void defined by upper 14. Insole 26 may extend through each of regions 16, 18, and 20 and between the lateral and medial sides of footwear 10. Insole 26 may be formed of a deformable (for example, compressible) material, such as polyurethane foams, or other polymer foam materials. Accordingly, insole 26 may, by virtue of its compressibility, provide cushioning, and may also conform to the foot in order to provide comfort, support, and stability.
  • a deformable (for example, compressible) material such as polyurethane foams, or other polymer foam materials. Accordingly, insole 26 may, by virtue of its compressibility, provide cushioning, and may also conform to the foot in order to provide comfort, support, and stability.
  • insole 26 may be removable from footwear 10, for example, for replacement or washing. In other embodiments, insole 26 may be integrally formed with the footbed of upper 14. In other embodiments, insole 26 may be fixedly attached within footwear 10, for example, via permanent adhesive, welding, stitching, and/or another suitable technique.
  • upper 14 may surround insole 26, including on an underside thereof. In other embodiments, upper 14 may not extend fully beneath insole 26, and thus, in such embodiments, insole 26 may rest atop midsole 28 (or atop chassis 100 in embodiments that do not include a midsole).
  • footwear 10 is depicted in FIG. 1 as a soccer shoe.
  • soccer shoes often do not include a midsole, since many features of footwear 10 may be applicable to shoes that do include a midsole (including soccer shoes as well as shoes for other activities), the general location of midsole 28 has been depicted in FIG. 1 as it may be incorporated into any of a variety of types of footwear (including soccer shoes if they do include midsoles).
  • Midsole 28 may be fixedly attached to a lower area of upper 14 (for example, through stitching, adhesive bonding, thermal bonding (for example, welding), and/or other techniques), or may be integral with upper 14.
  • Midsole 28 may extend through each of regions 16, 18, and 20 and between the lateral and medial sides of footwear 10.
  • midsole 28 may be exposed around the periphery of footwear 10. In other embodiments, midsole 28 may be completely covered by other elements, such as material layers from upper 14. Midsole 28 may be formed from any suitable material having the properties described above, according to the activity for which footwear 10 is intended. In some embodiments, midsole 28 may include a foamed polymer material, such as polyurethane (PU), ethyl vinyl acetate (EVA), or any other suitable material that operates to attenuate ground reaction forces as sole structure 12 contacts the ground during walking, running, or other ambulatory activities.
  • PU polyurethane
  • EVA ethyl vinyl acetate
  • a footwear sole structure may include structural elements that provide stiffness, support, and/or strength.
  • structural features may be included that distribute ground reaction forces and/or increase performance during engagement with ground surface irregularities.
  • Structural elements that provide the foregoing properties may include one or more plate-like chassis components disposed within a sole structure.
  • the chassis may be configured with various geometries in order to achieve certain attributes, such as those discussed above. Such attributes may also be achieved by selection of materials for the various components and regions of the sole structure that provide desired performance characteristics.
  • FIG. 2A is a top view and FIG. 2B is a bottom view of an exemplary embodiment of chassis 100.
  • chassis 100 is shown in isolation in FIGS. 2A and 2B .
  • chassis 100 could be associated with sole component 30 (see, e.g., FIGS. 3 , 9 , and 10 ), midsole 28, and/or upper 14 of footwear 10.
  • sole component 30 see, e.g., FIGS. 3 , 9 , and 10
  • a left foot version of chassis 100 is shown in FIGS. 2-6 , however, it should be understood that the presently disclosed features of chassis 100 may be equally applicable to a mirror image of chassis 100 that is intended for use with a right foot.
  • chassis 100 may be a plate-like structure configured to provide support, strength, stiffness, stability, and other structural properties to sole component 30.
  • Chassis 100 may include a lateral side 102 and a medial side 104. As shown in Fig. 2A , lateral side 102 and medial side 104 may be opposing sides of chassis 100.
  • chassis 100 may include a top surface 106 and a longitudinal axis 108. As shown in Fig. 2B , chassis 100 may include a bottom surface 109. Additional details of chassis 100 and other components of footwear 10 are discussed in greater detail below.
  • the sole structure according to the disclosed embodiments may include features configured to provide rigidity, strength, and/or support to various aspects of the sole structure without substantially adding weight.
  • some exemplary sole structure embodiments may include a plate-like chassis having features configured to provide increased stiffness.
  • the chassis may be configured to provide support to a ground-engaging sole component fixedly attached to the chassis.
  • the chassis may include certain features that provide resistance to vertical bending, lateral bending, and/or torsion.
  • a reinforcing rib may be provided longitudinally along the chassis.
  • the reinforcing rib may include a hollow structure, and thus, may provide rigidity without adding substantial amounts of extra material, and therefore maintains a low weight.
  • chassis 100 may include a reinforcing rib 110 disposed longitudinally and having a length along longitudinal axis 108.
  • Rib 110 may have a rearward end 112, which may be disposed proximate heel region 20 of chassis 100, a central portion 113, and a forward end 114, which may be disposed proximate midfoot region 18, forefoot region 16, or near a transition between midfoot region 18 and forefoot region 16.
  • rib 110 may longitudinally extend substantially through midfoot region 18 of chassis 100, to a forward end 114 of rib 110 and, in some embodiments, rib 110 may extend into forefoot region 16.
  • the lateral width of rib 110 may span a substantial majority of the lateral width of chassis 100 over a substantial majority of the length of rib 110.
  • the lateral width of rib 110 at forward end 114 and rearward end 112 is less than or equal to the lateral width of rib 110 at any point between rearward end 112 and forward end 114.
  • an exemplary reinforcing rib may include, not only features that provide support and stiffness (e.g., resistance to bending and torsion), but also features that provide gradual transition between stiffened portions of the chassis and portions of the chassis that are desired to remain flexible.
  • certain aspects of the rib may taper in size in one or more dimensions.
  • rib 110 may have a lateral width that tapers toward rearward end 112 and/or forward end 114, as shown in FIGS. 2A and 2B .
  • This tapering may provide for a more gradual transition between the rigidity provided by rib 110 and the greater flexibility of the portions of chassis 100 through which rib 110 does not extend.
  • the vertical height of rib 110 may taper toward rearward end 112 and forward end 114.
  • the lateral width of rib 110 may taper completely.
  • either or both of rearward end 112 and forward end 114 may terminate with a rounded shape, as shown in FIGS. 2A and 2B .
  • rearward and/or forward ends 112, 114 may terminate with a more linear taper (e.g., coming to a point).
  • rearward and/or forward ends 112, 114 may terminate with a partial taper.
  • rib 110 may be a substantially hollow structure including a longitudinally elongate cavity 116 formed in chassis 100.
  • rib 110 may include reinforcing structure within cavity 116.
  • the reinforcing structure may include a plurality of partition members 118, which may provide cross-bracing support. As shown in FIG. 2A , the reinforcing structure may include a plurality of partition members 120 arranged in a crisscross pattern.
  • the reinforcing structure may further include a central partition member 122 arranged longitudinally and bisecting partition members 120 that are arranged in a crisscross pattern. Partition members 118 may provide not only added resistance to bending forces, but also significant resistance to torsional forces.
  • partition members 118 may be formed simultaneously with other portions of chassis 100 (for example in the same injection molding process). In other embodiments, partition members 118 may be injection molded into cavity 116 in a preformed chassis plate. In still other embodiments, partition members 118 may be formed separately and bonded into cavity 116. In such embodiments, partition members 118 may be separately injection molded. In other such embodiments, partition members 118 may be formed by other processes, such as carbon-fiber layup and curing, to form a preformed structure, which may be bonded into cavity 116 or fastened within cavity 116 using an alternative process.
  • FIG. 3 is an exploded view of chassis 100 and sole component 30.
  • chassis 100 may reside within a recess 123 in sole component 30.
  • chassis 100 may be formed from injection molding.
  • chassis 100 may be formed from other processes, such as compression molding, carbon-fiber layup and molding, and/or any other suitable processes.
  • Sole component 30 may be formed using any suitable process, such as molding (for example injection molding) or other suitable processes.
  • chassis 100 and sole component 30 may both be formed separately, and then joined together, for example, by welding, adhesive, and/or other techniques.
  • chassis 100 may be formed first, and then placed within a mold, and sole component 30 may be molded around chassis 100, effectively welding the two components together in the process.
  • sole component 30 may be formed first and placed within a mold. Then, chassis 100 may be injection molded into the preformed sole component 30.
  • one or more preformed ground engaging members may be inserted into a mold, and sole component 30 may be formed by, for example, injection molding of material into the mold to thus join with the preformed ground engaging members in the mold.
  • a sole component 30 formed in this manner may be subsequently bonded to a preformed version of chassis 100 in a separate process.
  • sole component 30 may be co-molded with chassis 100 as described above. In such a process, both a preformed chassis 100 and preformed ground engaging members may be inserted into a mold configured to form the assembly of sole component 30 and chassis 100.
  • the assembly of sole component 30 and chassis 100 may be formed by any other suitable process.
  • an exemplary chassis may include features that provide comfort.
  • the chassis may have a substantially flat top surface. Therefore, the top portions of various elements may sit flush with the top surface of the chassis. Further, the chassis may have some degree of curvature in various areas to accommodate the natural curvatures of the foot.
  • top portions 124 of the reinforcing structure may be flush with top surface 106 of chassis 100. This may maintain a relatively flat, consistent surface upon which the footbed of footwear 10 (e.g., insole 26, midsole 28, and/or a bottom portion of upper 14) may rest.
  • the reinforcing structure may have an alternative configuration.
  • sole component 30 may include one or more through holes 125.
  • through holes 125 in sole component 30 may be filled in with portions of chassis 30 when assembled.
  • chassis 30 may reside at least partially above through holes 125 ( see , e.g., FIG. 9 ), thus leaving through holes 125 as open areas. This may provide weight reduction.
  • FIG. 4 is a lateral side view of chassis 100.
  • chassis 100 may be a substantially planar structure, with a slight upward curvature at its periphery in conformity with the contours of the sole of a foot.
  • bottom surface 109 of chassis 100 may be upwardly curved in midfoot region 18 to accommodate the concavity of the arch of a foot.
  • rib 110 may project downward from a laterally central portion of chassis 100.
  • rib 110 may project through one of through holes 125 in sole component 30 ( see, e.g., FIG. 11 ).
  • a bottom-most crest 126 of rib 110 may have a substantially flat lateral profile, as shown in FIG.
  • rib 110 may taper toward rearward end 112 and forward end 114, providing for a gradual transition between stiffness and flexibility of different regions of chassis 100 and, consequently, sole structure 12.
  • Enlarged views 127 and 129 are provided in FIG. 4 to illustrate the variation in cross-sectional shape of chassis 100 at different locations along the length of rib 110. The cross-sections shown in enlarged views 127, 129 will be discussed in greater detail below in conjunction with FIGS. 5 and 6 .
  • FIG. 5 is a schematic, perspective, cut-away, cross-sectional view of chassis 100 taken at line 5-5 in FIG. 4 .
  • FIG. 5 does not show partition members 118 within cavity 116.
  • rib 110 may have a cross-sectional shape that is substantially trapezoidal, as shown in FIG. 5 .
  • rib 110 may include an angled, medial wall 128, and an angled, lateral wall 130.
  • rib 110 may include a substantially horizontal lower wall 132, including a flattened lower surface (that is, crest 126).
  • the cross-sectional shape of chassis 100 in the region of rib 110 may be selected to provide the desired performance characteristics.
  • medial wall 128 and lateral wall 130 may be angled to provide enhanced lateral and torsional rigidity, without unduly increasing vertical bending stiffness.
  • the precise angles and dimensions of the cross-sectional shape of chassis 100 may be selected to achieve the desired properties. Therefore, various other trapezoidal configurations may be implemented. Further, other suitable cross-sectional shapes may be utilized to achieve the desired properties.
  • the lateral width of rib 110 may span a substantial majority of the lateral width of chassis 100 over a substantial majority of length of rib 110.
  • rib 110 may have a lateral width 500, which may approximate a lateral width 502 of chassis 100. Over a substantial majority of the length of rib 110, lateral width 500 of rib 110 may differ from lateral width 502 of chassis 100 by only a few millimeters.
  • the lateral width 500 of rib 110 may be at least 60% of the width of chassis 110 over approximately 50% or more of the length of rib 110.
  • lateral width 502 of chassis 100 may be no more than approximately 15 mm larger than the lateral width 500 of rib 110 over approximately 50% of the length of rib 110. In other embodiments, these relative dimensions may vary. in some embodiments, at the portion of chassis 100 corresponding approximately with line 5-5 in FIG. 4 , lateral width 500 of rib 110 may be in the range of approximately 10-20mm, for example about 15mm, and lateral width 502 of chassis 100 may be in the range of approximately 20-30mm, for example about 25mm. Accordingly, a lateral width 503 of non-ribbed chassis portion may be in the range of approximately 2-10mm, for example about 5mm.
  • an inner lateral width 504 of rib 110 may be in the range of approximately 10-20mm, for example about 14mm, and a lateral width 506 of crest 126 may be in the range of approximately 5-10mm, for example about 7mm.
  • the foregoing dimensions may vary according to the desired characteristics of chassis 100.
  • the height of rib 110 may taper toward rearward end 112 and forward end 114 of rib 110.
  • rib 110 may have height 508, which may be in the range of approximately 3-10mm, for example about 5mm
  • chassis 100, itself may have an overall height 510, which may be in the range of approximately 5-12mm, for example about 7mm.
  • cavity 116 of rib 110 may have an inner depth 512, which may be in the range of approximately 2-8mm, for example about 4mm.
  • chassis 100 may have a thickness 514.
  • thickness 514 of chassis may be in the range of approximately 0.75-2.5mm, for example about 1.5mm. Due to the relatively thin wall thickness 514 of chassis 100, the differences between inner lateral width 504 and lateral width 506 of crest 126 may be relatively small. For similar reasons, the difference between height 508 of rib 110 and height 510 of chassis 100 may also be relatively small. The foregoing dimensions may vary according to the desired characteristics of chassis 100.
  • FIG. 6 is a schematic, perspective, cut-away, cross-sectional view of chassis 100 taken at line 6-6 in FIG. 4 .
  • the cross-sectional shape of chassis 1 00 and rib 110 at the portion of chassis 100 corresponding approximately with line 6-6 in FIG. 4 may be substantially similar the cross-sectional shape of chassis 100 and rib 110 at the portion of chassis 100 corresponding approximately with line 5-5 in FIG. 4
  • the dimensions of chassis 100 and/or rib 110 may differ to a certain extent.
  • the cross-section at line 5-5 in FIG. 4 has a shallow and wide configuration
  • the cross-section at line 6-6 in FIG. 4 has a deeper rib configuration.
  • rib 110 may span a substantial majority of the lateral width of chassis 100 over a substantial majority of the length of rib 110. Therefore, as shown in FIG. 6 , at the portion of chassis 100 corresponding approximately with line 6-6 in FIG. 4 , rib 110 may have a lateral width 600, which may approximate a lateral width 602 of chassis 100. In some embodiments, at the portion of chassis 100 corresponding approximately with line 6-6 in FIG. 4 , lateral width 600 of rib 110 may be in the range of approximately 10-20mm, for example about 15mm, and lateral width 602 of chassis 100 may be in the range of approximately 20-30mm, for example about 26mm.
  • a lateral width 603 of non-ribbed chassis portion may be in the range of approximately 2-10mm, for example about 5mm.
  • an inner lateral width 604 of rib 110 may be in the range of approximately 10-20mm, for example about 14mm, and a lateral width 606 of crest 126 may be in the range of approximately 5-10mm, for example about 7mm.
  • the foregoing dimensions may vary according to the desired characteristics of chassis 100.
  • the height of rib 110 may taper toward rearward end 112 and forward end 114 of rib 110. At the portion of chassis 100 corresponding approximately with line 6-6 in FIG. 4 , the height of rib 110 may be near its maximum. In some embodiments, at the portion of chassis 100 corresponding approximately with line 6-6 in FIG. 4 , rib 110 may have height 608, which may be in the range of approximately 5-15mm, for example about 8mm, and chassis 100, itself, may have an overall height 610, which may be in the range of approximately 6-18mm, for example about 9mm. Also, at the portion of chassis 100 corresponding approximately with line 6-6 in FIG.
  • cavity 116 of rib 110 may have an inner depth 612, which may be in the range of approximately 3-10mm, for example about 6mm.
  • chassis 100 may have a thickness 614.
  • thickness 614 of chassis may be in the range of approximately 0.75-2.5mm, for example about 1.5mm. Due to the relatively thin wall thickness 614 of chassis 100, the differences between inner lateral width 604 and lateral width 606 of crest 126 may be relatively small. For similar reasons, the difference between height 608 of rib 110 and height 610 of chassis 100 may also be relatively small. The foregoing dimensions may vary according to the desired characteristics of chassis 100.
  • an exemplary chassis may provide support to a sole structure for an article of footwear where it is most effective, and may do so using a reduced amount of material and, accordingly, a lower weight.
  • the disclosed chassis configuration may also enable different portions of the sole structure to deflect on a more independent basis, which may allow the sole structure to conform to ground surface irregularities, keeping more of the ground-engaging sole component in contact with the ground surface, thereby maintaining traction and providing stability.
  • both reduced weight, and selective flexibility may be provided with, for example, independently bendable projections extending from a central portion of the chassis. In between the projections may be gaps, where material would otherwise be disposed. Thus, removal of this material reduces weight, while allowing the remaining portions of the chassis to deflect substantially independently of one another.
  • chassis 100 may include a central portion 138 extending longitudinally, in a laterally central region of chassis 100, through at least a portion of forefoot region 16, midfoot region 18, and heel region 20.
  • chassis 100 may include a plurality of chassis projections 140 extending laterally from central portion 138 of chassis 100, leaving a plurality of chassis gaps 142 between chassis projections 140.
  • Chassis projections 140 may be selectively disposed at strategic locations in order to provide support to sole structure 12 in select areas.
  • chassis 100 may include a narrow portion 144 between chassis projections 140.
  • narrow portion 144 may be, not only narrow, but also relatively thin in a vertical direction.
  • the thin, narrow configuration of narrow portion 144 contributes to the flexibility of forefoot region 16 of chassis 100.
  • a front portion 146 of forefoot region 16 may be readily flexed in direction 148, while the remainder of chassis 100 remains substantially rigid and unflexed.
  • the materials chosen for each portion of chassis 100 may have a significant effect on the relative flexibilities of each portion, as will be discussed in greater detail below.
  • the disclosed configuration that is, chassis projections 140 itself promotes independent flexibility of the regions of sole structure 12 corresponding with each of chassis projections 140.
  • a first portion of the chassis may be formed of a first material and a second portion of the chassis may be formed of a second material having a substantially different level of flexibility than the first material.
  • heel region 20 and/or midfoot region 18 may be formed of a first material, and forefoot region 16 may be formed of a second material that is substantially more flexible than the first material.
  • chassis projections 140 is made from two different materials.
  • front portion 146 of forefoot region 16 may be formed of a first, relatively flexible material, whereas, the remainder of chassis 100 may be formed of a second, more rigid material.
  • Transition line 150 (in FIG. 2A ), and transition line 152 (in FIG. 2B ) indicate the transition between the two materials.
  • the material selected for front portion 146 may overlap at the junction with the material selected for the rest of chassis 100, as shown by the difference in location of transition line 150 on a top portion of chassis 100 (see FIG.
  • FIG. 8 illustrates the substantial flexibility of forward chassis projections 156, 158.
  • forward chassis projection 156 which may be laterally disposed in front portion 146 of forefoot region 16 of chassis 100, may be flexible, e.g., in an upward direction 160, or in a downward direction (not shown), and/or in a torsional movement.
  • forward chassis projection 158 which may be medially disposed in front portion 146 (associated with the location of a big toe), may be flexible, e.g., in an upward direction 162, a downward direction (not shown), and/or in a torsional movement.
  • Outlines of chassis projections 156 and 158 in an unflexed configuration are shown in phantom in FIG. 8 .
  • an exemplary chassis may be assembled, and work in conjunction, with other components of a sole structure.
  • An exemplary chassis may provide strength, support, rigidity, flexibility, and other performance attributes to a ground-engaging sole component.
  • certain portions of the chassis may correspond with certain portions of the ground-engaging sole component.
  • the certain portions of the chassis may provide certain characteristics to the corresponding portions of the sole component.
  • the corresponding portions may work in harmony with one another to provide the sole structure and, ultimately the article of footwear with desired performance characteristics.
  • an exemplary disclosed ground-engaging sole component may include features to provide traction/grip in one or more directions.
  • sole component may include one or more ground-engaging members (e.g., cleats).
  • Ground-engaging members may have any of a variety of shapes and forms.
  • ground-engaging members may be disposed on the sole component at various locations. The shape, size, material, and placement of ground-engaging members may be selected to provide traction according to an anticipated set of conditions in which the article of footwear will be used. Factors considered when configuring ground-engaging members may include, for example, the ground surface on which the activity will take place, the nature of the activity, the size of the athlete, and/or other parameters.
  • sole component 30 may include a ground-engaging lower surface 902.
  • lower surface 902 of sole component 30 may include a plurality of ground-engaging members 904.
  • One or more of ground-engaging members 904 may be respectively associated with one or more of chassis projections 140.
  • FIG. 9 comparison of FIG. 9 with FIG. 2B will illustrate that the location of each of ground-engaging members 904 shown in FIG. 9 , approximately coincides with one of chassis projections 140 shown in FIG. 2B .
  • ground-engaging members that are mounted to portions of an outer member
  • ground-engaging members could be mounted directly to a reinforcing plate.
  • one or more ground-engaging members could be mounted directly to a chassis projection of a chassis.
  • the sole structure may not include a separate outer member (sole component).
  • Sole component 30 may also include other types of secondary traction elements.
  • sole component 30 may include one or more support members 170 configured to provide support to ground-engaging members 904. While support members 170 may provide support to ground-engaging members 904, support members 170 may also provide additional traction/grip.
  • Support members 170 may have any shape and/or configuration, including any of the various embodiments disclosed in copending U.S. Application Serial No. 13/234,180, filed on September 16, 2011 , entitled “Shaped Support Features for Footwear Ground-Engaging Members," U.S. Application Serial No. 13/234,182, filed on September 16, 2011 , entitled “Orientations for Footwear Ground-Engaging Member Support Features," U.S. Application Serial No.
  • sole component 30 may include features that, even when the components are assembled together, allow assembly 900 to retain flexibility in certain areas.
  • sole component 30 may include gaps 912, and a laterally narrow midfoot region 914, leaving sole component projections 116, the location of which corresponds approximately with middle chassis projections 154.
  • through hole 125 at a forefoot region of sole component 30 also reduces the amount of material between gaps 912.
  • a forward portion 918 of the forefoot region of assembly 900 may be configured to readily deflect under loads. For example, as shown in FIG. 11 , forward portion 918 may deflect upward in a direction 1100. Alternatively or additionally, forward portion 918 may be configured to deflect downward in an opposite direction, and/or undergo a torsional movement.
  • assembly 900 may also include provisions to enable a medial section 919 and a lateral section 920 sections of forward portion 918 including a forward medial ground-engaging member 921 and a forward lateral ground-engaging member 922 to deflect individually.
  • sole component 30 may include a hinge element 924, disposed separating medial section 919 and lateral section 920.
  • Hinge element 924 may function similar to a "living hinge,” by having a reduced thickness, thus allowing medial section 919 and lateral section 920 to bend with respect to one another at the joint formed by hinge element 924.
  • the material of assembly 900 in the area between ground-engaging members 921 and 922 is further reduced by through hole 125 in sole component 30.
  • sole component 30 in conjunction with the separate forward chassis projections 156 and 158 of chassis 100, enable medial section 919 and a lateral section 920 of forward portion 918 on which ground-engaging members 921 and 922 are disposed to deflect individually. For example, as shown in FIG. 12 , upon loading, medial section 919 may undergo a deflection in an upward direction 926. Similarly, lateral section 920 may undergo a deflection in an upward direction 928. Alternatively, or additionally, sections 919 and 920 may undergo an opposite, that is, downward deflection.
  • a sole structure can be configured to provide increased ground contact on irregular ground surfaces.
  • chassis projections associated with the ball of the foot and forward chassis projections, associated with a front portion of the forefoot region can deflect in a manner that accommodates the natural motion of the foot while providing substantially consistent ground contact.
  • sections of assembly 900 may deflect individually according to ground surface irregularities. For example sections of assembly 900 may deflect upwardly (e.g., when stepping on a rock), downwardly (when stepping in a hole in ground surface 1302), and/or may twist to accommodate ground surface irregularities that are not engaged squarely with a ground-engaging member. This adaptive attribute may facilitate athlete 904 maintaining good balance and consistent traction.
  • FIG. 13 illustrates an embodiment of chassis 100 incorporated into footwear 10 having a plurality of ground-engaging members 904 worn on the foot of an athlete 1300.
  • chassis 100 may be configured to adapt to an uneven ground surface 1302 as athlete 1300 steps down with his foot.
  • a rock 1304 may be disposed beneath a portion of the athlete's foot.
  • Footwear 10 may be configured to deflect independently at one or more regions in order to accommodate rock 1304, while allowing the remaining ground-engaging members to maintain consistent ground contact.
  • medial section of forward portion 918 of assembly 900 may deflect upon engaging rock 1304, while the remainder of ground engaging members 904 remain engaged with ground surface 1302.
  • a sole structure may include provisions for strengthening ground-engaging members.
  • a chassis may include features that enhance the strength of ground-engaging members, without adding a significant amount of weight.
  • a chassis may include recesses on a top side and corresponding protrusions on the bottom side.
  • a mating sole component may include corresponding recesses above ground-engaging members. This assembly may enable ground-engaging members with a shorter root structure (that is, the non-exposed portion of the ground-engaging member) to be formed, without sacrificing strength. This type of feature may be employed with any of a variety of ground-engaging elements that protrude from a sole.
  • chassis 100 may include one or more recesses 164 on top surface 106.
  • Recesses 164 may be positioned at locations that, when assembled with sole component 30, will reside above one or more of ground-engaging members 904.
  • one or more of recesses 164 may be substantially round.
  • recesses 164 may have other shapes that generally correspond with the size and/or shape of the ground-engaging members with which they are associated.
  • the inner surface of recesses 164 may have a spherical (e.g., bowl-shaped) contour.
  • the thickness of chassis 100 in recesses 164 may remain consistent with the areas of chassis 100 surrounding the recesses.
  • chassis 100 may project downward from bottom surface 109 of chassis 100, creating bulges 166 opposite recesses 164. (See FIG. 2B .)
  • Sole component 30 may include corresponding recesses 930, which may accommodate bulges 166 when sole component 30 and chassis 100 are assembled to form assembly 900.
  • one or more of recesses 164 may include a tapering channel 168.
  • Channels 168 may be positioned at locations that, when chassis 100 is assembled with sole component 30, will reside above one or more of support members 910.
  • tapering channels 168 may have a triangular cross-sectional shape, as shown in FIG. 3 . This shape corresponds with the elongated and sloped structure of support members 910.
  • channels 168 may have any suitable shape that generally correspond with the size and/or shape of the support members with which they are associated.
  • channels 168 may not be tapered.
  • chassis 100 may include protrusions 170 on bottom side 109 of chassis 100 opposite channels 168, in order to maintain the thickness of chassis 100.
  • sole component 30 may include tapering channels 932
  • FIG. 14 illustrates an example of certain sole structure components not covered by the claims, including an assembly 1400.
  • assembly 1400 may include a chassis 1402 having a reinforcing rib 1404 and a plurality of chassis projections 1405.
  • Assembly 1400 may further include a plurality of sole components 1406, which may include a plurality of ground-engaging members 1408 extending therefrom.
  • Sole components 1406 may include one or more support members 1410.
  • the features of assembly 1400 may function substantially similarly to corresponding features of assembly 900.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Claims (14)

  1. Chaussure (10) comprenant :
    une tige (14) configurée pour recevoir un pied ; et
    une structure de semelle (12) reliée de manière fixe à la tige (14) et incluant un composant de semelle (30) ayant une surface inférieure d'engagement avec le sol, la structure de semelle (12) incluant en outre un châssis (100) configuré pour fournir un support au composant de semelle (30), dans laquelle le châssis (100) inclut une région d'avant-pied (16), une région de milieu de pied (18), une région de talon (20), une largeur latérale et une portion centrale (138) s'étendant à travers au moins une portion de la région d'avant-pied (16), la région de milieu de pied (18) et la région de talon (20), le châssis (100) incluant en outre une pluralité de saillies de châssis (140) s'étendant latéralement depuis la portion centrale (138) du châssis (100) ;
    dans laquelle la pluralité de saillies de châssis (140) inclut une première saillie de châssis (154), au moins une première portion de châssis de la première saillie de châssis (154) étant formée d'un premier matériau et au moins une seconde portion de châssis de la première saillie de châssis (154) étant formée d'un second matériau ayant un niveau de flexibilité sensiblement différent du premier matériau ;
    caractérisée en ce que :
    la seconde portion de châssis (146) est disposée davantage vers l'avant que la première portion de châssis ;
    la première portion de châssis vient en contact direct avec la seconde portion de châssis (146) au niveau d'une interface dans une région de transition du châssis (100) ;
    la première portion de châssis a une première surface supérieure ;
    la seconde portion de châssis (146) a une seconde surface supérieure ;
    dans laquelle la première surface supérieure est à fleur avec la seconde surface supérieure au niveau de l'interface.
  2. Chaussure (10) selon la revendication 1, dans laquelle la première saillie de châssis (154) est disposée dans la région d'avant-pied (16) à un emplacement correspondant à la saillie des orteils.
  3. Chaussure (10) selon la revendication 1 ou 2, dans laquelle le premier matériau est disposé au niveau d'une portion arrière de la première saillie de châssis (154), et le second matériau est disposé au niveau d'une portion avant de la première saillie de châssis (154) et est sensiblement plus flexible que le premier matériau.
  4. Chaussure (10) selon l'une quelconque des revendications 1 à 3, dans laquelle le composant de semelle (30) inclut une pluralité d'éléments d'engagement avec le sol (904), dans laquelle un ou plusieurs des éléments d'engagement avec le sol (904) sont respectivement associés à une ou plusieurs des saillies de châssis (140).
  5. Chaussure (10) selon la revendication 4, dans laquelle la structure de semelle (12) est configurée pour permettre à chacun des éléments d'engagement avec le sol (904) et à la saillie de châssis (140) à laquelle il est associé de dévier sensiblement indépendamment des autres éléments d'engagement avec le sol (904) et saillies de châssis (140) respectivement associées à ceux-ci.
  6. Chaussure (10) selon la revendication 4 ou 5, dans laquelle le châssis (100) inclut au moins un retrait (164) sur une surface supérieure (106) de celui-ci à un emplacement au-dessus d'un de la pluralité d'éléments d'engagement avec le sol (904).
  7. Chaussure (10) selon la revendication 6, dans laquelle l'au moins un retrait (164) est essentiellement rond.
  8. Chaussure (10) selon la revendication 6 ou 7, dans laquelle l'au moins un retrait (164) inclut un canal conique (168) avec une forme triangulaire en coupe transversale disposé au-dessus d'un élément de support (910) adjacent à un de la pluralité d'éléments d'engagement avec le sol (904).
  9. Chaussure (10) selon l'une quelconque des revendications 1 à 8, dans laquelle le prolongement latéral de la pluralité de saillies de châssis (140) depuis la portion centrale (138) du châssis (100) laisse une pluralité d'espaces de châssis (142) et une portion étroite (144) entre la pluralité de saillies de châssis (140).
  10. Chaussure (10) selon la revendication 9, dans laquelle la portion étroite (144) est fine et contribue de ce fait à la flexibilité de la région d'avant-pied (16) du châssis (100).
  11. Chaussure (10) selon la revendication 10, dans laquelle la seconde portion de châssis (146) comprend deux saillies avant qui sont flexibles dans une direction vers le haut (162), une direction vers le bas et/ou un mouvement de torsion.
  12. Chaussure (10) selon l'une quelconque des revendications 1 à 11, dans laquelle le châssis (100) est formé d'un ou plusieurs matériaux polymères, composites et/ou d'alliage métallique appropriés.
  13. Chaussure (10) selon la revendication 12, dans laquelle au moins une portion du châssis (100) est formée d'au moins un matériau parmi :
    du polyuréthane thermoplastique et thermodurci, polyester, nylon, amide séquencé de polyéther, alliages de polyuréthane et d'acrylonitrile butadiène styrène, fibre de carbone, poly(paraphénylène téréphtalamide), fibres de para-aramide telles que Kevlar®, alliages de titane et/ou alliages d'aluminium.
  14. Chaussure (10) selon la revendication 12 ou 13, dans laquelle au moins une portion du châssis (100) est formée d'un matériau composite tel qu'un composite de carbone-Kevlar®.
EP14003308.5A 2011-09-16 2012-08-30 Chaussure Active EP2856899B1 (fr)

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US13/234,244 US20130067765A1 (en) 2011-09-16 2011-09-16 Article Of Footwear
EP12787541.7A EP2755516B1 (fr) 2011-09-16 2012-08-30 Article chaussant

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EP12787541.7A Division-Into EP2755516B1 (fr) 2011-09-16 2012-08-30 Article chaussant
EP12787541.7A Division EP2755516B1 (fr) 2011-09-16 2012-08-30 Article chaussant

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EP2755516B1 (fr) 2018-12-12
WO2013039701A3 (fr) 2013-09-19
CN106136444B (zh) 2019-01-08
WO2013039701A2 (fr) 2013-03-21
US20130067765A1 (en) 2013-03-21
CN103945721A (zh) 2014-07-23
EP2856899A1 (fr) 2015-04-08
CN103945721B (zh) 2016-08-17
EP2755516A2 (fr) 2014-07-23
CN106136444A (zh) 2016-11-23

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