EP1383402B1 - Semelle a structure extensible, article chaussant muni d'une telle semelle et son procede de montage - Google Patents

Semelle a structure extensible, article chaussant muni d'une telle semelle et son procede de montage 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)
English (en)
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EP1383402A1 (fr
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/da
Publication of EP1383402A1 publication Critical patent/EP1383402A1/fr
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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
    • 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

Definitions

  • 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.
  • a sole is known from US 4,967,492.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • the invention also relates to the article of footwear as claimed in claim 3 equipped with the extensible soleplate just described.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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)
  • 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.
  • 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.
  • 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.
  • the present invention is particularly intended for the manufacture of shoes with the ability to adapt to different foot widths.

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Golf Clubs (AREA)

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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
    • 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.
    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)
    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.
    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.
    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.
    La présente invention est particulièrement destinée à la fabrication de chaussures ayant la capacité de s'adapter à différentes largeurs de pieds.

    Claims (5)

    1. Semelle extensible pour chaussure du type dont le fond de semelle rigide (1) est collé (9) sur les bords de la tige (10), caractérisée en ce que ledit fond (1) comporte un insert (2), extensible transversalement et qui est pourvu d'une ou plusieurs saillies (3) sur sa surface inférieure, ledit insert (2) est réalisé par moulage d'un matériau à mémoire de forme et est collé ou soudé par injection sur ledit fond (1), la partie d'avant-pied dudit fond (1) est pourvue d'une ou plusieurs ouvertures (4), dans lesquelles la ou les saillies (3) s'encastrent, de façon étanche.
    2. Semelle extensible selon la revendication 1, caractérisée en ce que le fond de semelle rigide (1), présente des caractéristiques propres à l'abrasion.
    3. Article chaussant équipé d'une semelle extensible selon la revendication 1, caractérisé en ce qu'il est constitué d'une tige (10), d'une première de montage (5), d'une première intérieure (8) et d'une semelle à insert extensible (2), la première de montage (5) étant constituée d'une partie d'avant pied déformable (6) et d'une partie arrière rigide (7).
    4. Article chaussant selon la revendication 3, caractérisé en ce que la partie d'avant pied déformable (6), de la première de montage (5) est obtenue par des fentes parallèles qui ont été ménagées longitudinalement dans ladite partie.
    5. Procédé de montage d'un article chaussant selon l'une quelconque des revendications 3 à 4, caractérisé par les opérations suivantes :
      préparation d'un sous-ensemble de semelle, par l'assemblage d'un fond de semelle rigide (1) et d'un insert extensible (2) collé ou moulé sur ledit fond,
      préparation et montage de la première de montage (5) et de sa partie d'avant pied déformable (6), avec sa partie arrière rigide (7),
      montage et collage à l'aide d'une forme de largeur standard de la tige (10) sur la première de montage (5),
      assemblage d'un sous-ensemble de la semelle avec la tige montée,
      pose de la première intérieure (8) sur la face supérieure de la première de montage (5).
    EP02735471A 2001-04-27 2002-04-22 Semelle a structure extensible, article chaussant muni d'une telle semelle et son procede de montage Expired - Lifetime EP1383402B1 (fr)

    Priority Applications (1)

    Application Number Priority Date Filing Date Title
    DK02735471T DK1383402T3 (da) 2001-04-27 2002-04-22 Sål med strækbar struktur, fodtöj forsynet med en sådan sål og fremgangsmåde til montering af dette

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    FR0105702A FR2823955B1 (fr) 2001-04-27 2001-04-27 Semelle a structure extensible, article chaussant muni d'une telle semelle et son procede de montage
    FR0105702 2001-04-27
    PCT/FR2002/001366 WO2002087375A1 (fr) 2001-04-27 2002-04-22 Semelle a structure extensible, article chaussant muni d'une telle semelle et son procede de montage

    Publications (2)

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

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    Family Applications (1)

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    EP02735471A Expired - Lifetime EP1383402B1 (fr) 2001-04-27 2002-04-22 Semelle a structure extensible, article chaussant muni d'une telle semelle et son procede de montage

    Country Status (14)

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

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    Cited By (2)

    * Cited by examiner, † Cited by third party
    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

    Also Published As

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

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