EP2922436B1 - Schuhsohle - Google Patents

Schuhsohle Download PDF

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Publication number
EP2922436B1
EP2922436B1 EP13808090.8A EP13808090A EP2922436B1 EP 2922436 B1 EP2922436 B1 EP 2922436B1 EP 13808090 A EP13808090 A EP 13808090A EP 2922436 B1 EP2922436 B1 EP 2922436B1
Authority
EP
European Patent Office
Prior art keywords
network
shoe sole
walls
sole according
stiffening
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.)
Not-in-force
Application number
EP13808090.8A
Other languages
English (en)
French (fr)
Other versions
EP2922436A1 (de
Inventor
Guillaume Caulliez
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.)
Decathlon SE
Original Assignee
Decathlon SE
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 Decathlon SE filed Critical Decathlon SE
Publication of EP2922436A1 publication Critical patent/EP2922436A1/de
Application granted granted Critical
Publication of EP2922436B1 publication Critical patent/EP2922436B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B1/00—Footwear characterised by the material
    • A43B1/0009—Footwear characterised by the material made at least partially of alveolar or honeycomb material
    • 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
    • A43B13/18—Resilient soles
    • A43B13/181—Resiliency achieved by the structure of the sole
    • 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
    • A43B13/18—Resilient soles
    • A43B13/181—Resiliency achieved by the structure of the sole
    • A43B13/186—Differential cushioning region, e.g. cushioning located under the ball of the foot
    • 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 invention relates to a sole, in particular an intermediate sole, for footwear, in particular for walking shoes worn on a daily basis, said soleplate being able to be produced by molding a synthetic material, for example based on an elastomer or polychloride. of vinyl (PVC).
  • a synthetic material for example based on an elastomer or polychloride. of vinyl (PVC).
  • FR-2 800 581 a one-piece sole having a base surface on which are formed cells delimited by radial walls interconnected so as to form a stiffening network of said sole.
  • such a stiffening network also provides a compression stiffness that does not provide sufficient cushioning foot impacts on the ground to ensure the walking comfort of the wearer.
  • the document FR-2 800 581 plans to have on the stiffening network a sockliner for absorbing shocks during ground support. It is also known to equip a sole with inserts to improve the damping characteristics.
  • the document CN-2 291 809 proposes a damping insert such as an absorbent gel or an air cushion which is arranged in a housing formed in a stiffening network of a sole to combine rigidity and cushioning.
  • Insole damping inserts are also known which are formed from an elastomeric material, such as ethylene-vinyl acetate (EVA) and / or polyurethane inserts.
  • EVA ethylene-vinyl acetate
  • the material used for making such inserts does not always meet the criteria of comfort of the sole, especially with respect to the weight of said sole and / or the durability of the cushioning.
  • the EVA is a very light and absorbent material, but not very durable and expensive, while the polyurethane has a greater resistance to use but a significant weight.
  • the invention aims to improve the prior art by providing in particular a shoe sole having an optimal and durable compromise between rigidity and cushioning to improve the walking comfort of the wearer, said sole being furthermore easy to manufacture.
  • the invention provides a shoe sole having a base surface on which are formed cells which are delimited by radial walls coming from said surface, said walls being connected together to form a stiffening network of said soleplate.
  • said stiffening network having a zone in which said walls are separated to make pads each formed by a wall portion which is delimited by recesses, said pads being arranged to be deformable to create a damping sub-network ground impacts.
  • the soleplate may be made by molding a synthetic material that is resistant to wear and abrasion, for example based on an elastomer, such as rubber, or based on PVC.
  • the sole has a lower surface 1 intended for ground support and which may have a structure facilitating adhesion, for example being notched by means of different sets of transverse and longitudinal grooves of variable depth, in particular according to the use of the shoe.
  • the lower surface 1 may be covered with a layer of adhesion-improving and / or wear-limiting material of the sole, such as a thermoplastic polyurethane (TPU) layer.
  • TPU thermoplastic polyurethane
  • the sole has a base surface 2 comprising a stiffening network of said sole which is also arranged to limit the weight of said sole.
  • the stiffening network comprises radial walls 3 issuing from the base surface 2 which extend upwards opposite the bottom surface 1, said walls being connected together to delimit cells 4.
  • the walls 3 are made of the same material as that of the base surface 2, in particular being derived from the molding of the sole.
  • the stiffening network extends over all or part of the base surface 2, the upper edges of the cells 4 forming a bearing surface of the foot on which may be disposed an internal insole for reinforcing one or more particular properties of said sole, such as the absorption of moisture or the reduction of friction.
  • the stiffening network is formed at least on a heel portion of the base surface 2 which is the most stressed during the impacts of the foot on the ground, in particular to stabilize the back of the wearer, the thickness of the walls 3 may depend on the degree of stiffening desired which is in particular a function of the use of the shoe.
  • the stiffening network extends from the heel portion to an arch portion of the base surface 2 so as to provide both torsional and flexural rigidity of the soleplate without compromising the forward mobility. foot which is necessary for the propulsion of the foot during the cycle of walking.
  • the radial walls 3 may have different heights so as to form a relief corresponding to the morphology of the sole of the foot in order to give the support surface of the sole anatomical geometry optimizing walking comfort.
  • a peripheral edge 5 extends around the periphery of the base surface 2 so as to surround the stiffening network, said network comprising peripheral cells 4 which are associated with said edge via lateral radial walls 3a.
  • the peripheral edge 5 may comprise an upper extension 6 projecting from said network and which is rounded outwardly in particular to facilitate the mounting of the shoe upper.
  • each cell 4 is delimited by six walls 3 arranged in a hexagonal geometry, said walls being connected by a vertex 7 of said cell.
  • the stiffening network extends over the base surface 2 in a honeycomb configuration allowing an optimal ratio between lightness and strength of the sole, said network limiting the weight of the sole while ensuring its rigidity in several directions of the base surface 2 for better stability.
  • the stiffening network may have a set of cells 4 of different geometries, for example by including a different number of walls 3 and / or being connected in a different configuration.
  • each side wall 3a connects a peripheral cell 4 to the peripheral edge 5 extending between a vertex 7 of said cell and said edge so as to have a different direction from those of the walls 3 of said cell which are connected by said Mountain peak.
  • each radial wall 3 extends from an apex 7 at an angle of 120 ° with the adjacent walls 3.
  • the base surface 2 has a forefoot part comprising a set of corrugated ribs 8 extending transversely between the peripheral edge and parallel to each other. to provide flexibility to said forefoot portion.
  • the stiffening network and the set of ribs 8 are thus arranged on the base surface 2 so as to promote the wrapping and unwinding of the foot during the ground support, said set of ribs facilitating the flexion of the joint metatarsophalangeal foot.
  • the radial walls 3 are separated in one or more areas of the said network where increased cushioning is necessary, said disconnection allowing the realization of pads 9 each formed by a portion of wall 3 and arranged to be deformed under the weight of the carrier to create a sub-network damping impacts of the foot on the ground.
  • the damping sub-network is made in one piece with the sole, not requiring any particular assembly, in order to guarantee damping properties of said sole more homogeneous and more durable.
  • the stiffening network may comprise a housing formed in one or more zones to be softened and in which the sub-network damping is reported, said subarray can be made from a material having a hardness different from the material of the sole.
  • Each wall portion 3 forming a stud 9 is delimited by recesses 10 which can be made during or after the molding of the sole, said recesses allowing a bending of the pads 9 independently of each other.
  • the recesses 10 are formed at a junction between at least two radial walls 3 to promote the deformation of the damping sub-network.
  • the damping sub-network may be formed in the zones undergoing the maximum foot pressures, in particular the ground footing zones where optimal shock absorption is required, said sub-network being able to be located in the part of the foot. heel and / or in the forefoot part.
  • the damping subarray is formed in an inner zone of the stiffening network, said sub-network being connected to the peripheral edge 5 via the side walls 3a.
  • this arrangement allows to maintain around the zone of walls 3 uncoupled stiffness of the sole necessary to maintain the dynamism of the supports.
  • the damping subarray is formed in the center of the heel portion by the separation of at least one wall 3 of six hexagonal cells 4 of the stiffening network.
  • the recesses 10 are formed at a vertex 7 common to at least two cells 4 in particular to ensure the continuity of the damping subarray in the stiffening network.
  • the cells 4 disengaged from the damping subarray comprise at least two recesses 10 formed on a vertex 7, respectively.
  • the two recesses 10 are formed on two respective vertices 7 adjacent to one another. that a stud 9 is formed in a wall 3 of a cell 4.
  • the disconnected cells 4 may comprise a number of pads 9 different according to their arrangement in the damping sub-network.
  • the damping sub-network comprises a central cell 4a and five peripheral cells 4b-4f, said peripheral cells being connected to the peripheral edge 5 by respectively at least two side walls 3a.
  • the central cell 4a is surrounded by respectively two peripheral cells before 4b, 4c and rear 4d, 4e, the fifth peripheral cell 4f being adjacent to the two rear cells 4d, 4e, the opposite of said central cell.
  • the separation of the walls 3 is such that the softening of the stiffening network gradually increases towards the inside of said network.
  • a recess 10 is formed in each of the vertices 7 of the central recess 4a so that said central recess forms six studs 9, the peripheral cells before 4b, 4c and rear 4d, 4e having three studs 9 which are each delimited in particular by a recess 10 formed in a vertex 7 common with said central cavity.
  • the rear peripheral cells 4d, 4e each comprise a fourth pad 9 which is common with the fifth peripheral cell 4f.
  • the damping sub-network comprises pads 9 oriented in at least two different directions so that the deflection of said pads can be made according to the direction of the support force to adjust the cushioning of the sole.
  • the pads 9 are arranged at 120 ° from each other, said pads then having three different orientations.
  • the size of the damping sub-network and / or the number of pads 9 may vary depending on the physiological characteristics of the user, such as his sex or weight.
  • the pads 9 may be formed so as to have an inclination with respect to the base surface 2 in one or more directions, in particular according to their arrangement within the damping sub-network, said pads being able to be inclined towards the front or towards the rear of the sole to promote their deformation during the support of the foot.
  • the recesses 10 extend over the entire height of the walls 3 to obtain maximum deflection of the pads 9 in the direction of the base surface 2.
  • the recesses 10 may extend over only a portion of the height of the walls 3 to form a connecting bridge at the base of the pads 9 to limit their sagging and get a more gradual cushioning.
  • the connecting bridges at the base of the pads 9 may be derived from the molding of the sole.
  • the partial recesses may also be made by means of a material cast in the soleplate which may be identical to the material of said sole or be different, such as EVA or polyurethane.
  • the recesses 10 may be made so as to form studs 9 having an upward tapered geometry, said studs being in particular trapezoidal or triangular so as to increase the softening of the stiffening network, the geometry of said studs being able to be arranged according to the use of the shoe, in particular according to the sport practice for which the cushioning of the sole must be adapted to the nature of the terrain of evolution and mode of travel.
  • the pads 9 may comprise a greater or lesser upper bearing surface, which is also adapted to the use of the boot and / or to the user, said pads having an identical or different section between them which can be especially triangular, oval or hexagonal.
  • the stiffening network may comprise cells 4 of different sizes, the cells 4 of the damping sub-network may have a larger dimension than the other cells 4.
  • the size of the cells 4 may gradually decrease towards the peripheral edge 5, so that the damping sub-network comprises smaller peripheral cells 4 than the other cells 4 of said sub-network so as to increase the inward damping of said sub-network while maintaining the peripheral stiffness.

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Claims (13)

  1. Schuhsohle, die eine Grundfläche (2) aufweist, auf der Zellen (4) gebildet werden, die durch radiale Wände (3) eingegrenzt werden, die aus der besagten Fläche hervortreten, wobei die besagten Wände miteinander verbunden sind, um ein Versteifungsnetz für die besagte Sohle zu bilden, wobei die besagte Sohle dadurch gekennzeichnet ist, dass das Versteifungsnetz eine Zone aufweist, in der die Wände (3) voneinander getrennt sind, um Stollen (9) zu erzeugen, die jeweils durch einen Wandabschnitt (3) gebildet werden, der durch Aussparungen (10) eingegrenzt wird, wobei die besagten Stollen angeordnet sind, um sich verformen zu können, um ein Sub-Netz zum Abfedern der Erschütterungen bei Bodenkontakt zu kreieren.
  2. Schuhsohle nach Anspruch 1, dadurch gekennzeichnet, dass die Aussparungen (10) an einer Verbindung zwischen zumindest zwei Wänden (3) des Versteifungsnetzes gebildet werden.
  3. Schuhsohle nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Sub-Netz zum Abfedern in einer inneren Zone des Versteifungsnetzes realisiert wird.
  4. Schuhsohle nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Versteifungsnetz Seitenwände (3a) umfasst, die dem umlaufenden Rand (5) der Sohle zugeordnet sind.
  5. Schuhsohle nach den Ansprüchen 3 und 4, dadurch gekennzeichnet, dass das Sub-Netz zum Abfedern über die Seitenwände (3a) mit dem umlaufenden Rand (5) verbunden ist.
  6. Schuhsohle nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass jede Zelle (4) durch sechs Wände (3) eingegrenzt wird, die entsprechend einer hexagonalen Geometrie angeordnet sind, wobei sich das Versteifungsnetz gemäß einer Wabenkonfiguration über die Grundfläche (2) erstreckt.
  7. Schuhsohle nach Anspruch 6, wenn dieser von Anspruch 2 abhängig ist, dadurch gekennzeichnet, dass die Aussparungen (10) an einem Scheitelpunkt (7) gebildet werden, den zumindest zwei Zellen (4) gemeinsam haben.
  8. Schuhsohle nach Anspruch 7, dadurch gekennzeichnet, dass zumindest zwei Aussparungen (10) auf jeweils einem Scheitelpunkt (7) einer Zelle (4) gebildet werden.
  9. Schuhsohle nach Anspruch 8, dadurch gekennzeichnet, dass zwei Aussparungen (10) auf jeweils zwei angrenzenden Scheitelpunkten (7) gebildet werden, um einen Stollen (9) in einer Wand (3) zu bilden.
  10. Schuhsohle nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die Stollen (9) in zumindest zwei unterschiedliche Richtungen ausgerichtet sind.
  11. Schuhsohle nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass sich die Aussparungen (10) über die gesamte Höhe der Wände (3) erstrecken.
  12. Schuhsohle nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass sich die Aussparungen (10) über einen Abschnitt der Höhe der Wände (3) erstrecken, um eine Verbindungsbrücke an der Basis der Stollen (9) zu bilden.
  13. Schuhsohle nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass das Versteifungsnetz auf zumindest einem Fersenabschnitt der Grundfläche (2) gebildet wird.
EP13808090.8A 2012-11-21 2013-11-21 Schuhsohle Not-in-force EP2922436B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1261098A FR2998144B1 (fr) 2012-11-21 2012-11-21 Semelle de chaussure
PCT/FR2013/052818 WO2014080132A1 (fr) 2012-11-21 2013-11-21 Semelle de chaussure

Publications (2)

Publication Number Publication Date
EP2922436A1 EP2922436A1 (de) 2015-09-30
EP2922436B1 true EP2922436B1 (de) 2016-11-02

Family

ID=48170558

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13808090.8A Not-in-force EP2922436B1 (de) 2012-11-21 2013-11-21 Schuhsohle

Country Status (6)

Country Link
EP (1) EP2922436B1 (de)
CN (1) CN104918507B (de)
ES (1) ES2606201T3 (de)
FR (1) FR2998144B1 (de)
PL (1) PL2922436T3 (de)
WO (1) WO2014080132A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10278450B2 (en) * 2015-10-07 2019-05-07 Nike, Inc. Sole structures and articles of footwear having an elongated hexagonal siping pattern and/or a heel pocket structure
USD781038S1 (en) * 2015-12-22 2017-03-14 Nike, Inc. Shoe outsole
USD788420S1 (en) * 2015-12-28 2017-06-06 Nike, Inc. Shoe outsole
CN110074507A (zh) * 2019-05-21 2019-08-02 顺德职业技术学院 一种可定位跟踪的鞋子
WO2021169804A1 (zh) * 2020-02-26 2021-09-02 初石智能科技(上海)有限公司 鞋中底、鞋类制品、三维数据处理方法、3d打印方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR520232A (fr) * 1919-05-31 1921-06-22 Matthew Thomas Mitchell Byrne Perfectionnements aux semelles et talons pour chaussures
CN2291809Y (zh) 1997-06-06 1998-09-23 张崇棠 透明鞋中底
WO2000010414A1 (en) * 1998-08-21 2000-03-02 Legatzke David K Dispersed-air footpad
FR2787683B1 (fr) * 1998-12-29 2001-03-09 Real Coussin de confort pour chaussure
FR2800581B1 (fr) * 1999-11-09 2002-03-29 Samson H Semelle de chaussure et chaussure equipee de cette semelle
US7475497B2 (en) * 2005-01-18 2009-01-13 Nike, Inc. Article of footwear with a perforated midsole
CN2838342Y (zh) * 2005-05-18 2006-11-22 徐贺杰 自动通风鞋底
CN201055029Y (zh) * 2007-03-23 2008-05-07 丁国南 止滑鞋
NZ582489A (en) * 2007-09-14 2011-12-22 Spenco Medical Corp A triple density replacement gel insole

Also Published As

Publication number Publication date
WO2014080132A1 (fr) 2014-05-30
CN104918507A (zh) 2015-09-16
PL2922436T3 (pl) 2017-03-31
FR2998144B1 (fr) 2015-02-20
ES2606201T3 (es) 2017-03-23
CN104918507B (zh) 2016-12-21
FR2998144A1 (fr) 2014-05-23
EP2922436A1 (de) 2015-09-30

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