EP1383402B1 - Sole with extensible structure, footwear equipped with same and method for mounting same - Google Patents

Sole with extensible structure, footwear equipped with same and method for mounting same Download PDF

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Publication number
EP1383402B1
EP1383402B1 EP02735471A EP02735471A EP1383402B1 EP 1383402 B1 EP1383402 B1 EP 1383402B1 EP 02735471 A EP02735471 A EP 02735471A EP 02735471 A EP02735471 A EP 02735471A EP 1383402 B1 EP1383402 B1 EP 1383402B1
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EP
European Patent Office
Prior art keywords
sole
extensible
base
insole
forepart
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.)
Expired - Lifetime
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EP02735471A
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German (de)
French (fr)
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EP1383402A1 (en
Inventor
Jean-Jacques Durand
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Exten S
Original Assignee
Exten S
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Application filed by Exten S filed Critical Exten S
Priority to DK02735471T priority Critical patent/DK1383402T3/en
Publication of EP1383402A1 publication Critical patent/EP1383402A1/en
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Publication of EP1383402B1 publication Critical patent/EP1383402B1/en
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    • 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
    • A43B13/02—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
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/26—Footwear characterised by the shape or the use adjustable as to length or size
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/12—Special watertight footwear
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B9/00—Footwear characterised by the assembling of the individual parts
    • A43B9/12—Stuck or cemented footwear

Abstract

Sole with stretchable structure, in which the forepart is associated with a stretchable material to fit differing foot widths easily; and footwear equipped with such a sole. The sole base (1) comprises openings (4) in which the lugs (3) of the stretchable part (2) are positioned in a sealed manner. The insole (5) comprises a deformable structure (6) in its forepart. When the wearer's foot is put into a footwear article provided with such a complex, it exerts pressure on the edges of the upper (10) thus causing deformation of the sole, which avoids feelings of compression of the foot.

Description

La présente invention concerne une semelle de chaussure permettant de chausser avec aisance différentes largeurs de pieds ; elle concerne également l'article chaussant équipé d'une telle semelle ainsi que le procédé de montage de cet article chaussant. Une telle semelle est connue du document US 4 967 492.The present invention relates to a shoe sole allowing fit with ease different foot widths; it also concerns the article footwear equipped with such a sole and the method of mounting this footwear article. Such a sole is known from US 4,967,492.

Les chaussures sont traditionnellement fabriquées avec une largeur choisie par le fabricant. Cette largeur est plus ou moins importante mais elle est prédéterminée; elle ne varie pas en fonction de la largeur du pied de l'utilisateur.The shoes are traditionally made with a width chosen by the manufacturer. This width is more or less important but it is predetermined; it does not vary according to the width of the user's foot.

On sait aussi s'adapter à plusieurs largeurs de pieds en fabriquant une partie supérieure en matière élastique, mais sans pouvoir élargir la partie inférieure en contact avec le sol.We also know how to adapt to several widths of feet by manufacturing a part superior in elastic material, but without being able to enlarge the lower part in contact with the ground.

Le dispositif selon l'invention permet de remédier à ces inconvénients. Il comporte en effet selon une première caractéristique, une semelle comprenant au moins une zone extensible dans la partie avant pied; ainsi, lors de l'utilisation, la chaussure fabriquée épouse la largeur anatomiqùe du pied sur sa partie inférieure.The device according to the invention overcomes these disadvantages. he according to a first feature, a sole comprising less an extensible zone in the front part of the foot; so, when using, the footwear manufactured conforms to the anatomical width of the foot on its lower part.

Dans la semelle de chaussure conforme à l'invention tel que revendiquée à la revendication 1, la partie avant-pied extensible transversalement est obtenue par moulage (ou collage) sur un fond de semelle d'un ou plusieurs inserts d'un matériau à structure déformable doté d'un potentiel d'élasticité et d'une mémoire de forme adapté au confort souhaité. Cet insert extensible est plat sur la face supérieure et pourvu d'une ou plusieurs saillies sur la face inférieure. Ces saillies sont destinées à s'encastrer dans le fond de semelle.In the shoe sole according to the invention as claimed in claim 1, the forefoot portion transversely extensible is obtained by molding (or gluing) against a background of soleplate of one or more inserts of deformable structure material having a elasticity potential and a shape memory adapted to the desired comfort. This insert extensible is flat on the upper surface and provided with one or more projections on the lower side. These projections are intended to be embedded in the sole bottom.

Selon une autre caractéristique, le fond de semelle est fabriqué à partir d'une matière de type classique tel que cuir, élastomère, caoutchouc, polyuréthanne ou tout autre matière traditionnellement utilisée dans la fabrication de semelle de chaussure et présentant des caractéristiques normales de résistance à l'abrasion.According to another characteristic, the sole base is made from a conventional type material such as leather, elastomer, rubber, polyurethane or any another material traditionally used in the manufacture of shoe insoles and having normal characteristics of abrasion resistance.

Selon une autre caractéristique, le fond de semelle comporte des ouvertures destinées à recevoir les saillies de la face inférieure de l'insert extensible, tout en préservant l'étanchéité de la liaison entre les deux matériaux.According to another feature, the sole base has openings intended to receive the projections of the underside of the expandable insert, while preserving the tightness of the connection between the two materials.

Selon une autre caractéristique, une première de montage est constituée d'une ou plusieurs zones ajourées dans sa partie avant-pied et d'une partie arrière rigide. Cette structure de la partie avant de la première de montage permet la déformation transversale de la zone avant-pied.According to another characteristic, a first assembly consists of a or several perforated zones in its forefoot part and a rigid rear part. This structure of the front part of the first assembly allows deformation transverse of the forefoot area.

D'autres modes de réalisation de la première de montage peuvent être envisagés. La partie déformable de l'avant-pied pourra être réalisée uniquement par la juxtaposition de fentes longitudinales. Selon un autre mode de réalisation, la partie déformable de l'avant-pied pourra être obtenue par la réalisation d'une ou plusieurs ouvertures longitudinales, celles-ci étant comblées ou non par le moulage ou le collage d'un ou plusieurs inserts en matière extensible.Other embodiments of the mounting first may be considered. The deformable part of the forefoot can be made only by the juxtaposition of longitudinal slots. According to another embodiment, the part deformable of the forefoot can be obtained by the realization of one or more longitudinal openings, these being filled or not by molding or gluing one or more inserts in extensible material.

L'invention concerne aussi l'article chaussant tel que revendiqué à la revendication 3 équipé de la semelle extensible venant d'être décrite. Selon une forme de réalisation préférée, cet article chaussant est constitué d'une tige, de la première de montage avec une partie avant-pied déformable et une partie arrière rigide, d'une première de propreté non collée dans sa partie périphérique et de la semelle à insert extensible conforme à la présente invention. Lorsque l'utilisateur chausse un article muni d'un tel complexe, son pied exerce une pression sur les bords de la tige induisant la déformation de la première de montage et de la semelle. Cette capacité de la semelle et de la première de montage à se déformer évite les sensations de compression du pied.The invention also relates to the article of footwear as claimed in claim 3 equipped with the extensible soleplate just described. According to a preferred embodiment, this footwear is consisting of a rod, the first mounting with a deformable forefoot part and a rigid rear part, of a cleanliness not glued in its part peripheral and the expandable insert sole according to the present invention. When the user wears an article equipped with such a complex, his foot exercises a pressure on the edges of the rod inducing the deformation of the first mounting and of the sole. This ability of the sole and the first of assembly to be deforming avoids the feeling of compression of the foot.

Le procédé de montage tel que revendiqué à la revendication 5 de cet article chaussant consiste à préparer une première de montage avec une partie rigide à l'arrière et une partie déformable dans la zone avant-pied. Au moyen d'une forme de largeur standard, la tige est montée sur ladite première de montage et collée sur la semelle équipée de son insert extensible. On place enfin la première de propreté à l'intérieur de la chaussure.The assembly method as claimed in claim 5 of this article of footwear consists in preparing a first mounting with a rigid part at the rear and a deformable part in the forefoot area. By means of a standard width form, the rod is mounted on said first mounting and glued on the sole equipped with its extensible insert. Finally, the sock is placed inside the shoe.

L'invention est illustrée, sans être aucunement limitée, par la description d'un mode de réalisation particulier, donné à titre d'exemple et représenté sur les dessins annexés dans lesquels :

  • La figure 1 représente la semelle en vue du dessous.
  • La figure 2 est une vue en coupe longitudinale de la semelle.
  • La figure 3 est une vue éclatée de l'ensemble fond de semelle, insert élastique et première de montage.
  • La figure 4 est une vue en coupe et en perpective d'une chaussure équipée du système.
    • The invention is illustrated, without being limited in any way, by the description of a particular embodiment, given by way of example and shown in the appended drawings in which:
  • Figure 1 shows the sole in view from below.
  • Figure 2 is a longitudinal sectional view of the sole.
  • Figure 3 is an exploded view of the sole bottom assembly, elastic insert and mounting first.
  • Figure 4 is a sectional and perspective view of a shoe equipped with the system.

    • La semelle représentée sur les figures 1 et 2 est constituée d'un fond de semelle (1) et d'un insert en matière extensible (2) assemblés par moulage ou par collage afin d'assurer l'étanchéité entre les deux matériaux. Les saillies (3) de l'insert extensible se positionnent dans les ouvertures (4) pratiquées dans le fond de semelle. Dans l'exemple de réalisation représenté, ce type d'implantation en parallèle permet l'addition des élasticités de chaque saillie (3) . Ce complexe, fond de semelle rigide et insert extensible permet d'obtenir une semelle suffisamment structurée pour s'adapter à une fabrication soudée traditionnelle.The sole shown in Figures 1 and 2 consists of a bottom of sole (1) and an insert of extensible material (2) assembled by molding or by bonding to ensure the seal between the two materials. The projections (3) of the insert expandable position in the openings (4) made in the sole bottom. In the exemplary embodiment shown, this type of parallel implementation allows the addition of the elasticities of each protrusion (3). This complex, rigid sole bottom and Stretchable insert provides a sufficiently structured outsole to fit to a traditional welded fabrication.

    La figure 3 représente un empilement de supports indépendants avec des propriétés déformables et extensibles. Le fond de semelle (1) en matière rigide est rendu déformable de par les ouvertures (4) pratiquées dans la zone avant-pied. L'insert (2) dont les saillies (3) viennent s'encastrer dans les ouvertures (4) du fond de semelle (1) est un joint d'étanchéité extensible. La première de montage (5) est équipée d'une partie avant-pied rendue déformable par la présence des fentes longitudinales (6) et d'une partie arrière rigide (7)FIG. 3 represents a stack of independent supports with deformable and extensible properties. The sole bottom (1) rigid material is rendered deformable by the openings (4) made in the forefoot area. The insert (2) whose projections (3) are embedded in the openings (4) of the sole base (1) is an extensible seal. The first mounting (5) is equipped with a forefoot part made deformable by the presence of the longitudinal slots (6) and a rigid rear part (7)

    Dans l'ensemble de réalisation représenté sur la figure 4, cette configuration permet de garder l'élasticité sur tous les étages une fois le montage terminé. Le fond de semelle (1), l'insert (2) et la première de montage (5) présentent des caractéristiques extensibles en dehors des zones de collage (9) . La première intérieure (8) non collée sur sa périphérie ne bloque pas la déformation des couches inférieures. C'est la pression du pied s'appliquant sur les bords extérieurs de la tige (10) qui induit la déformation de l'ensemble des couches extensibles superposées.In the embodiment set shown in FIG. 4, this configuration allows to keep elasticity on all floors once the assembly is completed. The bottom the sole (1), the insert (2) and the first mounting (5) have extensible features outside the bonding areas (9). The first one interior (8) not glued on its periphery does not block the deformation of the layers lower. It is the pressure of the foot on the outer edges of the stem (10) which induces the deformation of the set of superimposed extensible layers.

    A titre d'exemple non limitatif, les dimensions de l'insert au niveau des saillies seront de l'ordre de 3.5 mm en épaisseur et de 7mm en largeur. Bien entendu, ces dimensions ne sont qu'indicatives; elles peuvent varier en fonction de la pointure et du confort que l'on désire donner à la chaussure.By way of non-limiting example, the dimensions of the insert at the projections will be of the order of 3.5 mm in thickness and 7 mm in width. Of course, these dimensions are only indicative; they may vary according to the size and comfort that one wishes to give to the shoe.

    Cette structure de chaussure donne un confort de marche qui convient particulièrement aux "articles pieds sensibles", mais bien entendu cette structure extensible peut-être envisagée pour d'autres types de montage que le soudé ou d'autres types d'articles chaussants.This shoe structure gives a walking comfort that suits particularly to "sensitive feet articles", but of course this structure expandable may be considered for other types of assembly than the welded or other types of footwear.

    La présente invention est particulièrement destinée à la fabrication de chaussures ayant la capacité de s'adapter à différentes largeurs de pieds.The present invention is particularly intended for the manufacture of shoes with the ability to adapt to different foot widths.

    Claims (5)

    1. Extensible sole for shoes of the type where the rigid sole base (1) is glued (9) onto the edges of the upper (10), characterised in that said base (1) comprises an insert (2), transversally extensible and provided with one or several protrusions (3) in its lower surface, said insert (2) being produced by moulding a material by shape memory and being glued or injection welded on said base (1), the forepart of said base (1) being provided with one or several openings (4), wherein the protrusion or protrusions (3) are embedded, in sealed way.
    2. Extensible sole according to claim 1, characterised in that the rigid sole base (1) has abrasive properties.
    3. Footwear equipped with an extensible sole according to claim 1, characterised in that it is constituted of an upper (10), an insole (5), a sock (8) and a sole with extensible insert (2), the insole (5) being constituted of a deformable forepart (6) and a rigid back part (7).
    4. Footwear according to claim 3 characterised in that the deformable forepart (6) of the insole (5) is obtained by parallel slits made longitudinally in said forepart.
    5. Method for assembling footwear according to either one or the other of claims 3 or 4, characterised by the following operations :
      preparation of a sole sub-assembly, by assembling a rigid sole base (1) and an extensible insert (2) glued or moulded on said base,
      preparation and mounting of the insole (5) and its deformable forepart (6), with its rigid back part (7),
      mounting and gluing, using a standard width last, of the upper (10) on the insole (5),
      assembly of a sub-assembly consisting of the sole and the mounted upper,
      setting of the sock (8) on the upper face of the insole (5).
    EP02735471A 2001-04-27 2002-04-22 Sole with extensible structure, footwear equipped with same and method for mounting same Expired - Lifetime EP1383402B1 (en)

    Priority Applications (1)

    Application Number Priority Date Filing Date Title
    DK02735471T DK1383402T3 (en) 2001-04-27 2002-04-22 Insole with stretchable structure, footwear provided with such a sole and method for mounting it

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    FR0105702 2001-04-27
    FR0105702A FR2823955B1 (en) 2001-04-27 2001-04-27 SOLE WITH AN EXPANDABLE STRUCTURE, ARTICLE OF FOOTWEAR PROVIDED WITH SUCH A SOLE AND ITS ASSEMBLY METHOD
    PCT/FR2002/001366 WO2002087375A1 (en) 2001-04-27 2002-04-22 Sole with extensible structure, footwear equipped with same and method for mounting same

    Publications (2)

    Publication Number Publication Date
    EP1383402A1 EP1383402A1 (en) 2004-01-28
    EP1383402B1 true EP1383402B1 (en) 2005-05-25

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    EP02735471A Expired - Lifetime EP1383402B1 (en) 2001-04-27 2002-04-22 Sole with extensible structure, footwear equipped with same and method for mounting same

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    US (3) US7155845B2 (en)
    EP (1) EP1383402B1 (en)
    JP (1) JP4028391B2 (en)
    CN (1) CN1254203C (en)
    AT (1) ATE296041T1 (en)
    CA (1) CA2465366C (en)
    DE (1) DE60204308T2 (en)
    ES (1) ES2237350T3 (en)
    FR (1) FR2823955B1 (en)
    MA (1) MA26018A1 (en)
    PT (1) PT1383402E (en)
    RU (1) RU2003134367A (en)
    TN (1) TNSN03100A1 (en)
    WO (1) WO2002087375A1 (en)

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    Publication number Priority date Publication date Assignee Title
    US7621058B2 (en) 2001-04-27 2009-11-24 Exten.S Sole with extensible structure
    US7966751B2 (en) 2001-04-27 2011-06-28 Exten.S Sole with extensible structure

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    US20070062069A1 (en) 2007-03-22
    TNSN03100A1 (en) 2005-04-08
    CA2465366C (en) 2011-03-08
    CN1254203C (en) 2006-05-03
    WO2002087375A1 (en) 2002-11-07
    CA2465366A1 (en) 2002-11-07
    US7966751B2 (en) 2011-06-28
    RU2003134367A (en) 2004-12-27
    US20040128861A1 (en) 2004-07-08
    MA26018A1 (en) 2003-12-31
    ATE296041T1 (en) 2005-06-15
    US20100024249A1 (en) 2010-02-04
    FR2823955B1 (en) 2004-01-16
    JP2004524130A (en) 2004-08-12
    JP4028391B2 (en) 2007-12-26
    US7155845B2 (en) 2007-01-02
    ES2237350T3 (en) 2005-09-16
    CN1509148A (en) 2004-06-30
    US7621058B2 (en) 2009-11-24
    FR2823955A1 (en) 2002-10-31
    EP1383402A1 (en) 2004-01-28
    DE60204308D1 (en) 2005-06-30
    ES2237350T1 (en) 2005-08-01
    PT1383402E (en) 2005-10-31
    DE60204308T2 (en) 2006-02-02

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