WO2010007456A1 - Structure de semelle améliorée - Google Patents

Structure de semelle améliorée Download PDF

Info

Publication number
WO2010007456A1
WO2010007456A1 PCT/IB2008/001826 IB2008001826W WO2010007456A1 WO 2010007456 A1 WO2010007456 A1 WO 2010007456A1 IB 2008001826 W IB2008001826 W IB 2008001826W WO 2010007456 A1 WO2010007456 A1 WO 2010007456A1
Authority
WO
WIPO (PCT)
Prior art keywords
sole structure
cavity
cushion member
midsole
foot
Prior art date
Application number
PCT/IB2008/001826
Other languages
English (en)
Inventor
Roberto Gazzara
Stefano Contini
Original Assignee
Prince Sports, Inc.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Prince Sports, Inc. filed Critical Prince Sports, Inc.
Priority to US12/737,113 priority Critical patent/US20110162232A1/en
Priority to JP2011518015A priority patent/JP2011527924A/ja
Priority to PCT/IB2008/001826 priority patent/WO2010007456A1/fr
Priority to CN2008801301013A priority patent/CN102076235A/zh
Priority to EP08763003A priority patent/EP2303049A1/fr
Publication of WO2010007456A1 publication Critical patent/WO2010007456A1/fr

Links

Classifications

    • 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
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B1/00—Footwear characterised by the material
    • A43B1/0072—Footwear characterised by the material made at least partially of transparent or translucent 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
    • A43B13/026—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
    • A43B21/00—Heels; Top-pieces or top-lifts
    • A43B21/24—Heels; Top-pieces or top-lifts characterised by the constructive form
    • A43B21/26—Resilient heels
    • 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
    • A43B7/144—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 heel, i.e. the calcaneus bone

Definitions

  • the present invention relates to an improved sole structure. More particularly, the present invention relates to a sole structure, which has improved capabilities in terms of shock absorbing and comfort for the user's foot.
  • a conventional shoe generally comprises an upper that is associated to a sole structure.
  • the sole structure typically comprises an outsole provided with a tread in contact with the ground, a midsole for supporting the user's foot and one or more insoles for a better comfort of the user's foot.
  • the sole structure may often comprise additional elements such as a shank member and a counter member, which are positioned respectively at the arch plantar and at heel region of user's foot for providing additional support.
  • shock absorbing capabilities are an important factor to consider in a sole structure, particularly when the shoe is addressed to the exploitation of sports activities.
  • shoe technology has been constantly focused on the development of sole arrangements aimed at providing a shock absorbing action.
  • a shock absorbing body which consists of a shaped piece of an elastomeric material, such as polyurethane or soft rubber, that is received in a recess formed in the outsole, under the midsole, typically at the heel region of the user's foot.
  • the shock absorbing body has a channeled structure, which comprises a plurality of vertical channels, in which a filler material is arranged.
  • This arrangement is characterized by a relatively poor level of compressibility in a direction towards the ground, since the vertical channels are defined by a support lattice having walls oriented in the same direction of the pressure exerted by the user's foot. This fact constitutes a severe limitation to shock absorbing performances.
  • the shock absorbing body has a cellular structure, which is instead horizontally oriented and defines different levels of cells that are filled with a filler material, such as gel, silicone, polyurethane resins or soft rubber.
  • a filler material such as gel, silicone, polyurethane resins or soft rubber.
  • the main aim of the present invention is to provide a sole structure, which allows the overcoming of the drawbacks of the state of the art and the satisfaction of such a need.
  • the sole structure comprises an insert member, which is positioned between the outsole and the midsole and comprises at least a cage portion, positioned at the heel region of the user's foot.
  • the cage portion comprises a first cavity, which accommodates at least partially a cushion member, which can be at least partially inserted in a second cavity of the midsole.
  • the sole structure according to the invention, has improved capabilities in terms of shock absorbing and support to the user's foot and, at the same time, it is quite robust and simple to manufacture.
  • Fig. 1 is a perspective view of a sports shoe, comprising the sole structure, according to the invention.
  • Fig. 2 is a perspective partial view of the sole structure, according to the present invention, in a first embodiment; and Fig. 3 schematically shows an exploded view of the sole structure, according to the present invention, in said first embodiment; and
  • Fig. 4 schematically shows a partial lateral view of the sole structure of figures 2-3; and;
  • Fig. 5 schematically shows a partial sectional view of the sole structure of figures 2-3; and;
  • Fig. 6 is a partial lateral view of the sole structure, according to the present invention, in a fUrther embodiment.
  • Fig. 7 schematically shows a partial exploded view of the sole structure of figure 6.
  • the present invention relates to a sole structure 10, which is normally associated to an upper 1 1 defining a volume for receiving the user's foot, thereby forming a shoe 100.
  • the sole structure 10 comprises an outsole 31, which may comprises a tread 313 that may have different shapes, according to the needs.
  • the outsole 31 is divided in two distinct pieces 31 1 and 312 that are positioned respectively at the heel region IOOA and the toe region IOOC of the user's foot. According to the needs, the outsole 31 may instead comprise a unique piece that covers also the arc plantar region 10OB.
  • the outsole 31 may preferably comprise a window (not shown) and/or it may be of a transparent material, so as to allow internal inspection.
  • the outsole 31 may be made of a polymeric material resistant to wear, such as rubber, thermoplastic rubber, thermoplastic polyurethane or other polyurethane materials.
  • the sole structure 10 comprises a midsole 33, which extends above the outsole 31, so as to provide support to the user's foot.
  • the midsole 33 is preferably made of Ethylene Vinyl Acetate (EVA) and comprises a lower surface 332 and an upper surface 331.
  • EVA Ethylene Vinyl Acetate
  • the sole structure 10 preferably comprises also one or more insoles 150 (shown in figure 3 only), which lay above the midsole 33, within the volume defined by the upper 1 1 and which are preferably removable.
  • the sole structure 10 comprises an insert member 4, which is positioned between the outsole
  • the insert member 4 comprises at least a cage portion 410, which is positioned at the heel region IOOA.
  • said cage portion 410 is made of a unique piece of relatively rigid plastic material, e.g. a polyurethane material.
  • the cage portion may be obtained by overlapping a plurality of relatively rigid shells.
  • the cage portion 410 may be integral with a shank portion 420, which is positioned at the arch plantar region 10OB.
  • shank portion 420 may be provided as a separated piece that is operatively associated to the insert member 4 and/or the outsole 31.
  • the cage portion 410 comprises a first cavity 41, which preferably extends in a direction substantially perpendicular to the ground.
  • the first cavity 41 preferably comprises a bottom end 4 IA, at which a bottom wall 414 is provided.
  • the bottom wall 414 optionally comprises a window (not shown) and/or it may be of a transparent material.
  • the first cavity 41 is instead fully or partially open towards the midsole
  • the midsole 33 comprises a second cavity 330 that is arranged substantially aligned with said upper end 4 IB, so as to communicate with the first cavity 41.
  • the second cavity 330 is preferably a hole that passes through the entire thickness of the midsole 33 between the surfaces 331 and 332.
  • the first cavity 41 will be in communication with the internal volume of the shoe
  • the second cavity 330 may be upwardly closed by a layer of material, associated to the midsole 33, or by a wall that is integral with the midsole 33.
  • said layer of material (or said wall) is relatively thin and flexible.
  • Such a layer of material may be also at least partially removable.
  • the cage portion 410 preferably comprises a first lateral wall 41 1 that may have a horseshoe shape, with the cavity oriented towards the toe region lOOC.
  • the lateral wall 41 1 has an internal surface 412, which laterally defines at least partially the perimeter of the first cavity 41, and an external surface 413, which defines at least partially the contour of the sole structure 10 at the heel region 10OA.
  • the cage portion 410 preferably comprises also a second lateral wall 415, which has an arched shape with its convexity directed towards the toe region lOOC.
  • the lateral wall 415 advantageously defines the remaining perimeter of the first cavity 41.
  • the first cavity 41 may be laterally defined by a unique lateral wall having an annular shape.
  • the cage portion 410 preferably comprises one or more third cavities 43, which communicate with the first cavity 41 and advantageously extend at least partially through the first lateral wall 411.
  • the third cavities 43 are holes passing through the entire thickness of the first lateral wall 411 from the internal surface 41 to the external surface 413, so as to put the first cavity 41 in communication with the external environment.
  • the third cavities may be closed at the end 43A (figure 2) that is positioned opposite with respect to the first cavity 41.
  • the first cavity 41 and the third cavities 43 extend along directions that are not parallel, preferably perpendicular.
  • each side of the lateral wall 41 1 comprises a plurality of parallel third cavities 43 that have a substantially tubolar shape, as shown in figures 1-5.
  • the third cavities 43 may be also positioned along the second lateral wall 415 or along both the walls 41 1 and 415.
  • the shape of the third cavities 43 may be any, according to the needs, as well as their position along the lateral wall 41 1 and/or 415.
  • the first cavity 41 accommodates at least partially a cushion member 5, which preferably comprises a main body 51 having at least an upper portion 510 that is or can be at least partially accommodated in the second cavity 330.
  • the cushion member 5 is capable to enter in contact with the user's foot or with an insole 150.
  • the cavity 330 is a hole passing through the thickness of the midsole 33 an advantageous direct contact is realized between the cushion member 5 and the user's foot or the insole 150.
  • the user's foot can benefit from an improved cushioning effect, since the pressure of the user's heel is directly exerted on the cushion member 5 and not on the midsole anymore. In this manner, the midsole 33 does not attenuate at all the cushioning effect offered by the cushion member 5.
  • the upper portion 510 is preferably inserted in the cavity 330, so as to slightly protrude from the upper surface 331.
  • This solution remarkably facilitates the realization of a contact between the cushion member 5 and user's foot or the insole 150.
  • the upper portion 510 may be shaped according to a slightly rounded profile, as shown in figure 5, a stepped profile, so as to ensure a good coupling with the lateral wall of the second cavity 330 or a mushroom profile, so as to ensure a good coupling with the upper edge of the second cavity and with the upper surface 331 of the midsole 33.
  • the upper portion 510 may be inserted in the second cavity 330, so as to stay at the same level with respect to the upper surface 331 of the midsole 33.
  • the upper portion 510 is only partially inserted in the second cavity
  • the upper portion 510 may be positioned outside the cavity 330 and be aligned with it.
  • the pressure of the user's foot will cause the full insertion of the upper portion 510 in the second cavity 330 and its protrusion from the upper surface 331 of the midsole 33, thus forcing the cushion member 5 to enter in contact with the user's foot or the insole 150.
  • the cushion member 5 comprises also one or more lateral portions 520, which are preferably accommodated at least partially in the third cavities 43 and which are advantageously shaped, so as to match with the internal profile of the third cavities 43.
  • the cushion member 5 is thus arranged, so as to be capable to change its volume in a predefined manner when a pressure is applied on it, and more particularly, to expand along one or more predefined directions 200 not parallel and preferably perpendicular with respect to the direction 201, along which pressure of the user's foot is applied.
  • the cushion member is arranged so as to be capable of expanding along one or more directions 200 that are horizontal with respect to the ground while the pressure on it is exerted along a vertical direction 201.
  • the cushion member 5 when pressure is applied (e.g. because the user leans his foot on ground) the cushion member 5 may expand through the third cavities 43. Conversely, when pressure is released (e.g. because the user lift his foot from ground) the cushion member 5 may recover at least partially its initial volume.
  • the cushion member 5 is preferably made of a gel material, an impact-resistant elastic material (e.g. d3oTM) or an elastomeric material.
  • the cushion member 5 consists of a shaped pad that is filled with a gel material. This solution allows a quicker expansion of the cushion member 5 when a pressure is exterted on it.
  • the cushion member 5 may also comprise a plurality of portions made of different materials and/or made of the same material having different densities, such as a plurality of layers of different materials, which are overlapped or positioned side by side.
  • the upper portion 510 may comprise a layer of gel, which is injected over the main body 51 that comprises a different material or a gel having a different density.
  • other combinations of layers and/or materials are possible.
  • the main body 51 may be formed by a plurality of vertical layers of different materials, which have a cylindrical geometry and are positioned according to a concentric layout.
  • the sole structure, according to the invention, allows to achieving the intended aim and objects.
  • the sole structure 10 comprises the insert member 4 having the cage portion 410 that comprises a cavity 41 for accommodating the cushion member 5 and defined by one or more lateral walls.
  • IOOA IOOA and at the same time to provide support to the user's foot.
  • the midsole 33 is provided with the second cavity 330, through which the cushion member 5 can be inserted.
  • This feature allows to bring the cushion member in direct contact with the user's foot or with an internal insole.
  • the cushion member 5 may expand along predefined directions, preferably perpendicular to the pressure applied. This allows a further improving of the shock absorbing effect.
  • the cage portion 410 of the insert member 41 is structured with the third cavities 43, so as to help this anisotropic expansion of the cushion member 5 while providing support to the user's foot at the same time.
  • Manufacturing tests have proven that the sole structure 10 according to the present invention, can be, assembled in a simple manner, particularly at industrial level. This feature allows to remarkably reducing the manufacturing costs.

Abstract

La présente invention porte sur une structure de semelle (10), comprenant une semelle d'usure (31) et une semelle intercalaire (33) et un élément d'insert (4) entre ladite semelle d'usure et ladite semelle intercalaire. L'élément d'insert comprend au moins une partie de cage (410) comportant une première cavité (41) qui reçoit un élément de coussin (5). La semelle intercalaire comprend une seconde cavité (330), dans laquelle ledit élément de coussin peut être au moins partiellement inséré.
PCT/IB2008/001826 2008-07-14 2008-07-14 Structure de semelle améliorée WO2010007456A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US12/737,113 US20110162232A1 (en) 2008-07-14 2008-07-14 Sole structure
JP2011518015A JP2011527924A (ja) 2008-07-14 2008-07-14 改善された靴底構造
PCT/IB2008/001826 WO2010007456A1 (fr) 2008-07-14 2008-07-14 Structure de semelle améliorée
CN2008801301013A CN102076235A (zh) 2008-07-14 2008-07-14 改进的鞋底结构
EP08763003A EP2303049A1 (fr) 2008-07-14 2008-07-14 Structure de semelle améliorée

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2008/001826 WO2010007456A1 (fr) 2008-07-14 2008-07-14 Structure de semelle améliorée

Publications (1)

Publication Number Publication Date
WO2010007456A1 true WO2010007456A1 (fr) 2010-01-21

Family

ID=40433840

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2008/001826 WO2010007456A1 (fr) 2008-07-14 2008-07-14 Structure de semelle améliorée

Country Status (5)

Country Link
US (1) US20110162232A1 (fr)
EP (1) EP2303049A1 (fr)
JP (1) JP2011527924A (fr)
CN (1) CN102076235A (fr)
WO (1) WO2010007456A1 (fr)

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WO2017042846A1 (fr) 2015-09-07 2017-03-16 Farolfi Gregorio Absorbeur de choc et système de poussée propulsive optimisé pour chaussure et semelle
EP3119227B1 (fr) * 2014-03-19 2019-07-31 NIKE Innovate C.V. Ensemble semelle ayant un composant de polyuréthane thermoplastique sur celui-ci et son procédé de fabrication
IT202000026615A1 (it) * 2020-11-10 2022-05-10 Loris Bolzonello Insieme suola, intersuola, sottopiede di montaggio e inserto per realizzazione di una calzatura
US11957203B2 (en) * 2017-05-12 2024-04-16 U-Invest S.R.L. Fatigue-reducing safety shoe

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US10238175B2 (en) 2015-04-08 2019-03-26 Nike, Inc. Article with a cushioning assembly having inner and outer bladder elements with interfitting features and method of manufacturing an article
EP3552509B1 (fr) 2015-04-08 2021-03-17 NIKE Innovate C.V. Article doté d'un ensemble d'amortissement comportant des éléments de vessie internes et externes et un élément de renfort et procédé de fabrication de l'article
EP3285607B1 (fr) 2015-04-21 2020-05-06 Nike Innovate C.V. Élément de vessie construit en trois feuilles et procédé de fabrication d'un élément de vessie
CH711110A2 (de) * 2015-05-20 2016-11-30 On Clouds Gmbh Sohlenkonstruktion für einen flexiblen Schuh.
US10448704B2 (en) * 2015-10-02 2019-10-22 Nike, Inc. Plate with foam for footwear
WO2018217557A2 (fr) 2017-05-23 2018-11-29 Nike, Inc. Semelle intercalaire bombée à rigidité à la compression étagée
KR102258453B1 (ko) 2017-05-23 2021-06-02 나이키 이노베이트 씨.브이. 등급화된 응답을 갖는 중창 시스템
KR102326973B1 (ko) 2017-05-23 2021-11-16 나이키 이노베이트 씨.브이. 등급화된 응답을 갖는 중창
USD821712S1 (en) * 2017-10-20 2018-07-03 Nike, Inc. Shoe midsole
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US20210204651A1 (en) * 2020-01-03 2021-07-08 Nike, Inc. Sole structure for article of footwear

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EP1306023A2 (fr) * 2001-10-23 2003-05-02 Wolverine World Wide, Inc. Sandale avec système de lanière

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EP3119227B1 (fr) * 2014-03-19 2019-07-31 NIKE Innovate C.V. Ensemble semelle ayant un composant de polyuréthane thermoplastique sur celui-ci et son procédé de fabrication
WO2017042846A1 (fr) 2015-09-07 2017-03-16 Farolfi Gregorio Absorbeur de choc et système de poussée propulsive optimisé pour chaussure et semelle
US11957203B2 (en) * 2017-05-12 2024-04-16 U-Invest S.R.L. Fatigue-reducing safety shoe
IT202000026615A1 (it) * 2020-11-10 2022-05-10 Loris Bolzonello Insieme suola, intersuola, sottopiede di montaggio e inserto per realizzazione di una calzatura
WO2022101947A1 (fr) * 2020-11-10 2022-05-19 Loris Bolzonello Ensemble comprenant une semelle, semelle intermédiaire, semelle de propreté de montage et insert pour la fabrication d'une chaussure

Also Published As

Publication number Publication date
JP2011527924A (ja) 2011-11-10
US20110162232A1 (en) 2011-07-07
EP2303049A1 (fr) 2011-04-06
CN102076235A (zh) 2011-05-25

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