EP0826318B2 - Sportsshoe with returning means which are supple and resistant to traction - Google Patents

Sportsshoe with returning means which are supple and resistant to traction Download PDF

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Publication number
EP0826318B2
EP0826318B2 EP97112899A EP97112899A EP0826318B2 EP 0826318 B2 EP0826318 B2 EP 0826318B2 EP 97112899 A EP97112899 A EP 97112899A EP 97112899 A EP97112899 A EP 97112899A EP 0826318 B2 EP0826318 B2 EP 0826318B2
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EP
European Patent Office
Prior art keywords
guiding element
plane
tension
passage
sports shoe
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Expired - Lifetime
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EP97112899A
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German (de)
French (fr)
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EP0826318A1 (en
EP0826318B1 (en
Inventor
Bruno Borsoi
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Salomon SAS
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Salomon SAS
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Application filed by Salomon SAS filed Critical Salomon SAS
Priority to DE29724537U priority Critical patent/DE29724537U1/en
Priority to DE29724703U priority patent/DE29724703U1/en
Publication of EP0826318A1 publication Critical patent/EP0826318A1/en
Application granted granted Critical
Publication of EP0826318B1 publication Critical patent/EP0826318B1/en
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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C3/00—Hooks for laces; Guards for hooks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/37—Drawstring, laced-fastener, or separate essential cooperating device therefor
    • Y10T24/3768—Drawstring, laced-fastener, or separate essential cooperating device therefor having loop or sleeve shaped directing means
    • Y10T24/3771—Entirely formed from flaccid material

Definitions

  • the present invention relates to the field of sports shoes; in particular, the field of technical footwear such as hiking, snowboarding, in-line skating, paragliding, etc.
  • a sports shoe of the aforementioned type traditionally comprises a sole and a rod provided with an opening for the passage of the foot and having on either side of this opening means of return or loops which cooperate with one or more clamping means such as a lace to ensure by clamping, the partial closure of the opening.
  • the return means located on the top of a portion of the stem are under pressure in various circumstances.
  • Some snowboard boots, for example, are intended to cooperate with a binding comprising transverse straps that exert pressure on the top of the foot; and therefore compress the return means or passers. It has been found that bulky and rigid loops such as metal or plastic hooks, buckles or eyelets can cause hard spots; this can cause a problem of foot pain and also deform the strap in places more or less permanently.
  • EP-A-0717942 discloses a lace loop consisting of an outer shell and a viewfinder.
  • the inner portion of the rod comprises return means which are subjected to pressure from an outer portion of the rod after tightening the latter by different means (lacing, velcro, zipper, etc.). These pressures again cause problems of discomfort or deformation of the shoe that is best avoided.
  • the clamping performance is not optimum.
  • the friction experienced by the lace is high.
  • the lace deforms the band narrowing its width due to the return angle which creates additional friction and can lead to premature wear of the loop, or even the break thereof.
  • the object of the present invention is therefore to provide a satisfactory solution to the disadvantages described above.
  • Such a return means has the advantages of limited space and flexibility while reducing friction with the lace; thus ensuring a good performance and a long life.
  • the boot 1 is a snowboard boot comprising a flexible or semi-flexible upper 10 and a clamping device 11 of the upper.
  • the boot In the configuration shown, the boot is in position in a traditional surf binding 2 which has the particularity of comprising a base 20 intended to be attached to a board (not shown) and two straps 20, 21 which hold the boot firmly in place. base 20.
  • the straps 20, 21 thus exert a significant pressure locally on the clamping device; hence the need for adequate means of return to avoid the risks of discomfort and others previously mentioned.
  • the solution passes through the use of return means 3 comprising a closed loop 30 of flexible material and resistant to traction.
  • the shoe of Figure 2 has been deliberately simplified to highlight only the essence of the invention.
  • the stem has a portion 110; in this case anterior portion or upper, which is provided with an opening 12 defining two quarters 110a, 110b to be clamped.
  • the return means are distributed in opposite directions on either side of the opening 12 on each quarter 110a, 110b.
  • a clamping means such as a lace 4 is provided to circulate through each loop 30 in a cross circuit and alternating a return means and its opposite, for example; which brings the neighborhoods closer to one another.
  • FIG. 3 which illustrates the prior art, shows the major defect caused on the return means.
  • the loop 30 which is in the form of a strap portion connected to the rod portion 110, undergoes a significant pull from the tightening means or yaw 4.
  • the return angle 'a' being relatively low when the loops are close to one another, there is deformation of the webbing by reducing width and thus appearance of high friction forces that oppose the sliding of the lace in the loop. This may have the consequence of affecting the homogeneity of the tightening, in particular at the end, when pulling on the ends of the lace. It is then necessary to resume the tightening by pulling again on each strand of lace between two loops. The lacing operation can thus become tedious and time consuming.
  • FIG. 4 shows the solution of the invention.
  • the return means 3 represented comprises a closed loop identical to that of FIG. 3 but which is associated with a guide element 31.
  • the guide member 31 has a sliding surface 310 for the passage of the clamping means 4 inside the flexible loop 30 in a passage plane P.
  • This surface has the function of facilitating the passage and the sliding of the clamping means 4.
  • the plane P is taken for reference in order to facilitate explanations and approximately corresponds to the plane of the path of the lace 4 in the vicinity of each return means.
  • the plane P may vary from one region to another of the shoe because of the curved shape of the rod.
  • the guide element has a certain rigidity in the plane P thus defined. This rigidity must be such that the tensioning of the clamping means can not cause the lateral deformation of the guide element and therefore does not affect the width of the strap of the loop. Thus, the guide element will have a width at least equal to that of the loop.
  • Figures 6 and 7 show the particular shape of the sliding surface for guiding the clamping means 4 on sliding.
  • the sliding surface of the guide element has a generatrix of convex shape in the passage plane P and a generatrix of concave shape in the plane P 'perpendicular to P.
  • the concavity in the plane P' promotes holding and guiding of the lace in contact with the element. Sliding is improved by the convexity according to P.
  • throat thus defined in general terms is however not the only one possible. It is also possible to provide a tubular shape of the surface in order to guarantee lace guidance in any radial direction.
  • the thicknesses of the lateral edges 310a, 310b of the guide element will be provided as a function of the material used so as to have a certain compressive deformability in the direction along the plane P '. As a result, the hard point phenomenon already mentioned disappears completely.
  • the guide element has a slot 311 for ensuring the passage of the strap portion 30 through the guide member and its connection with the guide member.
  • the light passes through the element from one edge 310a to the other 310b.
  • This connecting means has the advantage of being the most resistant and the simplest that can be implemented. However other means of connection can be envisaged such as riveting, clipping / pinching, stapling, ....
  • each quarter 110a, 110b are distributed in opposite manner on each quarter 110a, 110b and are arranged so that each loop has a portion connected to one of the quarters and a portion including said guide member which extends beyond the neighborhood on the opening 12.
  • the guide element takes position in the thickness of the quarter in the event of pressure exerted on the clamping device by an external element; and this partly thanks to the flexibility of the loop. This reduces the risk of hard point.
  • the strap portion is chosen from a textile material because of its properties of flexibility and tensile strength. In some cases, it might be possible to envisage using portions of rubber or leather strips.
  • the strap portion is connected to the shank by sewing, preferably, or by other means such as riveting, stapling, or a combination of several means. It is also within the scope of the invention to provide a strap portion as a continuous portion of a piece of fabric of the upper.
  • the guide element is, of course, constituted in a material with a low coefficient of friction. Different materials are likely to agree.
  • the guide element is made of a plastic material selected from PTFE, PTFCE, FEP, nylons, polyamides, polyethylenes, polyacéthals.
  • the element can be made in one piece or on the contrary in several parts assembled mechanically or molded.

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

A sports boot has the two side-pieces (110) of its upper joined by a bootlace (4) passed through loops (30) of a supple material which is resistant to traction. Each loop contains a guide with an anti-friction surface (310) for the lace, possessing sufficient rigidity to prevent it from being deformed by the pressure of the lace. Each loop is made from a strip of a textile material, while its guide is made from a low-friction plastic such as PTFE, PTCFE, FEP, nylon, polyamide, polyethylene or polyacetal.

Description

La présente invention se rapporte au domaine de la chaussure de sport ; en particulier le domaine de la chaussure technique du type randonnée, surf de neige, patin en ligne, parapente, etc.The present invention relates to the field of sports shoes; in particular, the field of technical footwear such as hiking, snowboarding, in-line skating, paragliding, etc.

Une chaussure de sport du type précité comprend traditionnellement une semelle et une tige munie d'une ouverture pour le passage du pied et comportant de part et d'autre de cette ouverture des moyens de renvoi ou passants qui coopèrent avec un ou plusieurs moyens de serrage tel qu'un lacet pour assurer par serrage, la fermeture partielle de l'ouverture.A sports shoe of the aforementioned type traditionally comprises a sole and a rod provided with an opening for the passage of the foot and having on either side of this opening means of return or loops which cooperate with one or more clamping means such as a lace to ensure by clamping, the partial closure of the opening.

Pour certaines chaussures, les moyens de renvoi localisés sur le dessus d'une partie de la tige subissent des pressions dans diverses circonstances. Certaines chaussures de surf des neiges, par exemple, sont destinées à coopérer avec une fixation comprenant des sangles transversales qui exercent une pression sur le dessus du pied ; et par conséquent, compriment les moyens de renvoi ou passants. On a constaté que des passants encombrants et rigides tels que des crochets, boucles ou oeillets métalliques ou plastiques peuvent occasionner des points durs ; ce qui peut engendrer un problème de douleur du pied et aussi déformer la sangle par endroit de façon plus ou moins permanente.For some shoes, the return means located on the top of a portion of the stem are under pressure in various circumstances. Some snowboard boots, for example, are intended to cooperate with a binding comprising transverse straps that exert pressure on the top of the foot; and therefore compress the return means or passers. It has been found that bulky and rigid loops such as metal or plastic hooks, buckles or eyelets can cause hard spots; this can cause a problem of foot pain and also deform the strap in places more or less permanently.

Le document EP-A-0717942 décrit un passant pour lacet constitué d'une enveloppe extérieure et d'un viseur.EP-A-0717942 discloses a lace loop consisting of an outer shell and a viewfinder.

Certaines chaussures de randonnée ou autres, qui présentent un dispositif de serrage interne d'une partie de la tige, rencontrent un problème analogue. Dans ce cas, la partie interne de tige comprend des moyens de renvoi qui subissent une pression de la part d'une partie externe de tige après serrage de cette dernière par différents moyens (laçage, velcro, fermeture à glissière,..). Ces pressions engendrent à nouveau des problèmes d'inconfort ou de déformation de la chaussure qu'il est préférable d'éviter.Some hiking boots or others, which have an internal clamping device of a portion of the stem, encounter a similar problem. In this case, the inner portion of the rod comprises return means which are subjected to pressure from an outer portion of the rod after tightening the latter by different means (lacing, velcro, zipper, etc.). These pressures again cause problems of discomfort or deformation of the shoe that is best avoided.

Pour remédier à ce problème, il est connu d'utiliser des passants souples et résistants à la traction sous forme de bandes textiles repliées en forme de boucle et reliées à la tige pour limiter leur encombrement et favoriser leur déformation sous l'effet d'une pression extérieure.To remedy this problem, it is known to use flexible loops and resistant to traction in the form of textile strips folded in the form of a loop and connected to the rod to limit their size and promote their deformation under the effect of a external pressure.

Un exemple d'un tel emploi est donné dans le document FR-A-2 726 440 qui concerne une chaussure de sport comprenant un dispositif de serrage interne au niveau du cou-de-pied et une tige externe de protection contre les agressions extérieures qui enserre le dispositif interne et exerce donc des pressions sur les moyens de renvoi du dispositif.An example of such a use is given in the document FR-A-2 726 440 which relates to a sports shoe comprising an internal clamping device at the instep and an outer rod protection against external aggression which encloses the internal device and thus exerts pressure on the return means of the device.

Ces moyens de renvoi ne donnent pas toutefois entière satisfaction.These means of return do not however give complete satisfaction.

En raison de la nature et des caractéristiques de la boucle ; en particulier de sa texture et de sa souplesse, le rendement de serrage n'est pas optimum. Les frottements subits par le lacet sont élevés. Par ailleurs, le lacet déforme la bande en rétrécissant sa largeur en raison de l'angle de renvoi ce qui crée des frottements supplémentaires et peut conduire à une usure prématurée de la boucle, voire à la rupture de celle-ci.Due to the nature and characteristics of the loop; in particular its texture and flexibility, the clamping performance is not optimum. The friction experienced by the lace is high. Furthermore, the lace deforms the band narrowing its width due to the return angle which creates additional friction and can lead to premature wear of the loop, or even the break thereof.

Le but de la présente invention est donc d'apporter une solution satisfaisante aux inconvénients exposés ci-dessus.The object of the present invention is therefore to provide a satisfactory solution to the disadvantages described above.

Ce but est atteint en utilisant un moyen et élément de renvoi selon les revendications 1 et 8.This object is achieved by using a means and return element according to claims 1 and 8.

Un tel moyen de renvoi présente les avantages d'un encombrement limité et d'une souplesse importante tout en réduisant les frottements avec le lacet ; lui assurant ainsi un bon rendement et une longévité importante.Such a return means has the advantages of limited space and flexibility while reducing friction with the lace; thus ensuring a good performance and a long life.

D'autres caractéristiques et avantages de l'invention ressortiront des caractéristiques de la description détaillée suivante illustrée par les dessins annexés dont

  • la figure 1 montre un exemple schématique d'une chaussure de surf en prise dans une fixation à sangle ;
  • la figure 2 est une vue simplifiée en perspective d'une chaussure selon l'invention ;
  • la figure 3 est une vue d'un détail d'une chaussure de l'art antérieur :
  • la figure 4 est une vue similaire à celle de la figure 3 qui applique la solution de l'invention ;
  • la figure 5 est une vue en coupe A-A de la vue de la figure 4 ;
  • la figure 6 est une vue en coupe B-B de la vue de la figure 5 ;
  • la figure 7 est une vue en coupe C-C de la vue de la figure 5.
Other features and advantages of the invention will emerge from the features of the following detailed description illustrated by the accompanying drawings, in which:
  • Figure 1 shows a schematic example of a surf shoe engaged in a strap fastener;
  • Figure 2 is a simplified perspective view of a shoe according to the invention;
  • FIG. 3 is a view of a detail of a shoe of the prior art:
  • Figure 4 is a view similar to that of Figure 3 which applies the solution of the invention;
  • Figure 5 is a sectional view AA of the view of Figure 4;
  • Figure 6 is a sectional view BB of the view of Figure 5;
  • FIG. 7 is a sectional view CC of the view of FIG.

En se référant à la figure 1, il s'agit d'un exemple d'application d'une chaussure de l'invention qui permet de mettre en évidence l'un des problèmes techniques déjà cités.Referring to Figure 1, it is an example of application of a shoe of the invention that can highlight one of the technical problems already mentioned.

La chaussure 1 est une botte de surf des neiges comprenant une tige souple ou semi-souple 10 et un dispositif de serrage 11 de la tige. Dans la configuration représentée, la botte est en position dans une fixation de surf traditionnelle 2 qui a la particularité de comprendre une embase 20 destinée à être rattachée à une planche (non représentée) et deux sangles 20, 21 qui maintiennent fermement la botte dans l'embase 20.The boot 1 is a snowboard boot comprising a flexible or semi-flexible upper 10 and a clamping device 11 of the upper. In the configuration shown, the boot is in position in a traditional surf binding 2 which has the particularity of comprising a base 20 intended to be attached to a board (not shown) and two straps 20, 21 which hold the boot firmly in place. base 20.

Les sangles 20, 21 exercent donc une pression importante localement sur le dispositif de serrage ; d'où la nécessité de prévoir des moyens de renvoi adaptés pour éviter les risques d'inconfort et d'autres précédemment cités.The straps 20, 21 thus exert a significant pressure locally on the clamping device; hence the need for adequate means of return to avoid the risks of discomfort and others previously mentioned.

Comme le montre la figure 2, la solution passe par l'utilisation de moyens de renvoi 3 comprenant une boucle fermée 30 en matériau souple et résistant à la traction.As shown in Figure 2, the solution passes through the use of return means 3 comprising a closed loop 30 of flexible material and resistant to traction.

La chaussure de la figure 2 a été volontairement simplifiée pour ne faire ressortir que l'essentiel de l'invention. La tige présente une portion 110 ; en l'occurrence portion antérieure ou empeigne, qui est munie d'une ouverture 12 délimitant deux quartiers 110a, 110b à serrer.The shoe of Figure 2 has been deliberately simplified to highlight only the essence of the invention. The stem has a portion 110; in this case anterior portion or upper, which is provided with an opening 12 defining two quarters 110a, 110b to be clamped.

Les moyens de renvoi sont répartis de façon opposée de part et d'autre de l'ouverture 12 sur chaque quartier 110a, 110b.The return means are distributed in opposite directions on either side of the opening 12 on each quarter 110a, 110b.

Un moyen de serrage tel qu'un lacet 4 est prévu pour circuler au travers de chaque boucle 30 selon un circuit croisé et alternant un moyen de renvoi et son opposé, par exemple; ce qui provoque le rapprochement des quartiers l'un vers l'autre.A clamping means such as a lace 4 is provided to circulate through each loop 30 in a cross circuit and alternating a return means and its opposite, for example; which brings the neighborhoods closer to one another.

Une telle méthode de laçage n'est pas la seule réalisation possible, bien entendu.Such a lacing method is not the only possible realization, of course.

La figure 3 qui illustre l'art antérieur, montre le défaut majeur provoqué sur le moyen de renvoi. La boucle 30 qui se présente sous la forme d'une portion de sangle reliée à la portion de tige 110, subit une traction importante de la part du moyen de serrage ou lacet 4. L'angle de renvoi 'a' étant relativement faible lorsque les boucles sont rapprochées l'une de l'autre, il y a déformation de la sangle par réduction de largeur et donc apparition de forces de frottements élevées qui s'opposent au glissement du lacet dans la boucle. Ceci peut avoir pour conséquence d'affecter l'homogénéité du serrage, en particulier en bout, lorsque l'on tire sur les extrémités du lacet. Il faut ensuite reprendre le serrage en tirant à nouveau sur chaque brin de lacet compris entre deux boucles. L'opération de laçage peut ainsi devenir fastidieuse et longue.FIG. 3, which illustrates the prior art, shows the major defect caused on the return means. The loop 30 which is in the form of a strap portion connected to the rod portion 110, undergoes a significant pull from the tightening means or yaw 4. The return angle 'a' being relatively low when the loops are close to one another, there is deformation of the webbing by reducing width and thus appearance of high friction forces that oppose the sliding of the lace in the loop. This may have the consequence of affecting the homogeneity of the tightening, in particular at the end, when pulling on the ends of the lace. It is then necessary to resume the tightening by pulling again on each strand of lace between two loops. The lacing operation can thus become tedious and time consuming.

Ces frottements peuvent conduire à une usure prématurée de la sangle de la boucle jusqu'à rupture possible.This friction can lead to premature wear of the strap of the buckle until possible rupture.

La figure 4 montre la solution de l'invention. Le moyen de renvoi 3 représenté comprend une boucle fermée identique à celle de la figure 3 mais qui est associée à un élément de guidage 31.Figure 4 shows the solution of the invention. The return means 3 represented comprises a closed loop identical to that of FIG. 3 but which is associated with a guide element 31.

Comme le montre la figure 5, l'élément de guidage 31 présente une surface de glissement 310 pour le passage du moyen de serrage 4 à l'intérieur de la boucle souple 30 selon un plan de passage P. Cette surface a pour fonction de faciliter le passage et le glissement du moyen de serrage 4. Le plan P est pris pour référence afin de faciliter les explications et correspond approximativement au plan du trajet du lacet 4 au voisinage de chaque moyen de renvoi. Bien entendu, le plan P peut varier d'une région à l'autre de la chaussure en raison de la forme incurvée de la tige.As shown in Figure 5, the guide member 31 has a sliding surface 310 for the passage of the clamping means 4 inside the flexible loop 30 in a passage plane P. This surface has the function of facilitating the passage and the sliding of the clamping means 4. The plane P is taken for reference in order to facilitate explanations and approximately corresponds to the plane of the path of the lace 4 in the vicinity of each return means. Of course, the plane P may vary from one region to another of the shoe because of the curved shape of the rod.

L'élément de guidage a pour autre caractéristique importante de présenter une certaine rigidité dans le plan P ainsi défini. Cette rigidité doit être telle que la mise sous tension du moyen de serrage ne puisse provoquer la déformation latérale de l'élément de guidage et par conséquent n'affecte la largeur de la sangle de la boucle. Ainsi, l'élément de guidage aura une largeur au moins égale à celle de la boucle.Another important feature of the guide element is that it has a certain rigidity in the plane P thus defined. This rigidity must be such that the tensioning of the clamping means can not cause the lateral deformation of the guide element and therefore does not affect the width of the strap of the loop. Thus, the guide element will have a width at least equal to that of the loop.

Les figures 6 et 7 montrent la forme particulière de la surface de glissement destinée à guider le moyen de serrage 4 au glissement. La surface de glissement de l'élément de guidage présente une génératrice de forme convexe dans le plan de passage P et une génératrice de forme concave dans le plan P' perpendiculaire à P. La concavité dans le plan P' favorise la tenue et le guidage du lacet au contact de l'élément. Le glisssement est quant à lui amélioré par la convexité selon P.Figures 6 and 7 show the particular shape of the sliding surface for guiding the clamping means 4 on sliding. The sliding surface of the guide element has a generatrix of convex shape in the passage plane P and a generatrix of concave shape in the plane P 'perpendicular to P. The concavity in the plane P' promotes holding and guiding of the lace in contact with the element. Sliding is improved by the convexity according to P.

La forme de gorge ainsi définie en termes généraux n'est toutefois pas la seule possible. On peut aussi prévoir une forme tubulaire de la surface afin de garantir un guidage du lacet dans toute direction radiale.The shape of throat thus defined in general terms is however not the only one possible. It is also possible to provide a tubular shape of the surface in order to guarantee lace guidance in any radial direction.

De préférence, les épaisseurs des bords latéraux 310a, 310b de l'élément de guidage seront prévues en fonction du matériau utilisé de façon à présenter une certaine déformabilité en compression dans la direction selon le plan P'. De ce fait, le phénomène de point dur déjà évoqué disparait complètement.Preferably, the thicknesses of the lateral edges 310a, 310b of the guide element will be provided as a function of the material used so as to have a certain compressive deformability in the direction along the plane P '. As a result, the hard point phenomenon already mentioned disappears completely.

Selon une autre caractéristique de l'invention, l'élément de guidage présente une lumière 311 permettant d'assurer le passage de la portion de sangle 30 au travers de l'élément de guidage et sa liaison avec l'élément de guidage. La lumière traverse l'élément d'un bord 310a à l'autre 310b. Ce moyen de liaison a pour avantage d'être le plus résistant et le plus simple pouvant être mis en oeuvre. Toutefois d'autres moyens de liaison peuvent être envisagés comme le rivetage, clippage/pincement, agrafage,....According to another characteristic of the invention, the guide element has a slot 311 for ensuring the passage of the strap portion 30 through the guide member and its connection with the guide member. The light passes through the element from one edge 310a to the other 310b. This connecting means has the advantage of being the most resistant and the simplest that can be implemented. However other means of connection can be envisaged such as riveting, clipping / pinching, stapling, ....

Comme le montrent les diverses figures, les moyens de renvoi 3 sont répartis de façon opposée sur chaque quartier 110a, 110b et sont agencés de manière que chaque boucle présente une partie reliée sur un des quartiers et une partie incluant ledit élément de guidage qui déborde du quartier sur l'ouverture 12.As shown in the various figures, the return means 3 are distributed in opposite manner on each quarter 110a, 110b and are arranged so that each loop has a portion connected to one of the quarters and a portion including said guide member which extends beyond the neighborhood on the opening 12.

De la sorte, l'élément de guidage prend position dans l'épaisseur du quartier en cas de pression exercée sur le dispositif de serrage par un élément extérieur ; et ce en partie grâce à la souplesse de la boucle. On diminue ainsi le risque de point dur.In this way, the guide element takes position in the thickness of the quarter in the event of pressure exerted on the clamping device by an external element; and this partly thanks to the flexibility of the loop. This reduces the risk of hard point.

De préférence, la portion de sangle est choisie en matériau textile en raison de ses propriétés de souplesse et de résistance en traction. Dans certains cas, on pourrait éventuellement envisager d'utiliser des portions de bandes en caoutchouc ou en cuir. La portion de sangle est reliée à la tige par couture, de préference, ou encore par d'autres moyens tels que rivetage, agrafage, ou une combinaison de plusieurs moyens. Il rentre aussi dans la cadre de l'invention de prévoir une portion de sangle comme une partie continue d'un morceau de tissu de la tige.Preferably, the strap portion is chosen from a textile material because of its properties of flexibility and tensile strength. In some cases, it might be possible to envisage using portions of rubber or leather strips. The strap portion is connected to the shank by sewing, preferably, or by other means such as riveting, stapling, or a combination of several means. It is also within the scope of the invention to provide a strap portion as a continuous portion of a piece of fabric of the upper.

L'élément de guidage est, bien entendu, constitué dans un matériau de faible coefficient de frottement. Différents matériaux sont susceptibles de convenir. Avantageusement, l'élément de guidage est constitué dans un matériau plastique choisi parmi les PTFE, les PTFCE, les FEP, les nylons, les polyamides, les polyéthylènes, les polyacéthals.The guide element is, of course, constituted in a material with a low coefficient of friction. Different materials are likely to agree. Advantageously, the guide element is made of a plastic material selected from PTFE, PTFCE, FEP, nylons, polyamides, polyethylenes, polyacéthals.

L'élément peut être réalisé en une seule pièce ou au contraire en plusieurs pièces assemblées mécaniquement ou moulées.The element can be made in one piece or on the contrary in several parts assembled mechanically or molded.

Bien entendu, la présente invention n'est pas limitée aux modes de réalisation décrits et inclut tout mode équivalent rentrant dans le cadre des revendications ci-après.Of course, the present invention is not limited to the embodiments described and includes any equivalent mode within the scope of the claims below.

Claims (8)

  1. Sports shoe having a means of tension (4) cooperating with a set of reverse means (3) for setting under tension a shaft portion (110); whereby each reverse means includes a closed structure (30), which reverse means (3) has a guiding element (31), which is connected to said structure (30), and a sliding surface (310) for the passage of the means of tension (4) inside of the structure (30) according to a passage plane P, whereby the sliding surface (310) of the guiding element (31) has a convex surface line in the passage plane P and a concave surface line in the plane P' rectangular to P, whereby the guiding element (31) has a sufficient rigidity in the plane P for resisting deformation during the setting under tension of the means of tension (4), characterized in that the closed structure (30) is formed of a soft and traction-resisting material, and in that the structure (30) is a closed loop.
  2. Sports shoe according to claim 1, characterized in that the closed loop (30) has the form of a belt portion, which is connected to the shaft portion (110).
  3. Sports shoe according to claim 2, characterized in that the belt portion (30) is chosen from a textile material.
  4. Sports shoe according to claims 1, 2 or 3, characterized in that the shaft portion (110) has an opening (12), which is delimited by at least two portions (110a, 110b) to be set under tension; the reverse means (3) being distributed on each portion in an opposed manner and constituted in such a way that each loop (30) has one part which is connected to one of the portions and one part which includes the guiding element (31), which protrudes from the portion over the opening (12).
  5. Sports shoe according to claim 2, characterized in that the guiding element has an opening (311) allowing to guarantee the passage of the belt portion through the guiding element (31) and its connection to the guiding element.
  6. Sports shoe according to one of the preceding claims, characterized in that the guiding element (31) is constituted of a material of low coefficient of friction.
  7. Sports shoe according to claim 6, characterized in that the guiding element (31) is constituted of a plastic material chosen from PTFEs, PTFCEs, FEPs, nylons, polyamides, polyethylenes, polyacetals.
  8. Reverse means (3) for tensioning a shaft portion (110) of a shoe by means of a tension means (4); the reverse means (3) having a guiding element (31), which is connected to a closed structure (30), and having a sliding surface (310) for the passage of the tension means (4) inside of the structure (30) according to a passage plane P, whereby the sliding surface (310) of the guiding element (31) has a convex surface line in the passage plane P and a concave surface line in the plane P' rectangular to P, whereby the guiding element (31) has a sufficient rigidity in the plane P for resisting deformation during the setting under tension of the tension means (4), characterized in that the closed structure (30) is constituted of a soft and traction-resisting material, and in that the structure (30) is a closed loop.
EP97112899A 1996-08-29 1997-07-26 Sportsshoe with returning means which are supple and resistant to traction Expired - Lifetime EP0826318B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE29724537U DE29724537U1 (en) 1996-08-29 1997-07-26 Sports shoe, which has soft reversing means that are resistant to pulling
DE29724703U DE29724703U1 (en) 1996-08-29 1997-07-26 Sports boot - has loops for lace equipped with plastic anti-friction elements

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9610700 1996-08-29
FR9610700A FR2752683B1 (en) 1996-08-29 1996-08-29 SPORTS SHOE COMPRISING FLEXIBLE AND TRACTION RESISTANT MEANS

Publications (3)

Publication Number Publication Date
EP0826318A1 EP0826318A1 (en) 1998-03-04
EP0826318B1 EP0826318B1 (en) 2002-09-25
EP0826318B2 true EP0826318B2 (en) 2006-04-05

Family

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Application Number Title Priority Date Filing Date
EP97112899A Expired - Lifetime EP0826318B2 (en) 1996-08-29 1997-07-26 Sportsshoe with returning means which are supple and resistant to traction

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US (2) US5906057A (en)
EP (1) EP0826318B2 (en)
JP (1) JP3880695B2 (en)
AT (1) ATE224655T1 (en)
DE (1) DE69715759T3 (en)
FR (1) FR2752683B1 (en)

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Also Published As

Publication number Publication date
US5906057A (en) 1999-05-25
DE69715759D1 (en) 2002-10-31
FR2752683B1 (en) 1998-11-06
ATE224655T1 (en) 2002-10-15
DE69715759T3 (en) 2006-12-14
DE69715759T2 (en) 2003-08-14
US20010001906A1 (en) 2001-05-31
JPH1080304A (en) 1998-03-31
EP0826318A1 (en) 1998-03-04
EP0826318B1 (en) 2002-09-25
JP3880695B2 (en) 2007-02-14
FR2752683A1 (en) 1998-03-06

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