EP0646335A1 - Inner shoe tongue for skiboot - Google Patents

Inner shoe tongue for skiboot Download PDF

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Publication number
EP0646335A1
EP0646335A1 EP94810468A EP94810468A EP0646335A1 EP 0646335 A1 EP0646335 A1 EP 0646335A1 EP 94810468 A EP94810468 A EP 94810468A EP 94810468 A EP94810468 A EP 94810468A EP 0646335 A1 EP0646335 A1 EP 0646335A1
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EP
European Patent Office
Prior art keywords
foam
tongue
padding
shoe
pressure
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Granted
Application number
EP94810468A
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German (de)
French (fr)
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EP0646335B1 (en
EP0646335B2 (en
Inventor
Alessandro Condini
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Lange International SA
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Lange International SA
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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/04—Ski or like boots
    • A43B5/0405—Linings, paddings or insertions; Inner boots
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/26—Tongues for shoes
    • 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
    • A43B7/125—Special watertight footwear provided with a vapour permeable member, e.g. a membrane

Definitions

  • the present invention relates to a shoe part other than the sole, in particular an inner boot tongue for a ski boot, essentially consisting of an outer part made of waterproof semi-rigid plastic material, of foam-type padding and woven or knitted lining.
  • Such tabs are commonly used in the inner boot of ski boots.
  • the outer part is intended to withstand the pressure of the shoe tightening loops, the role of the foam being to ensure that the pressure exerted by the loops does not translate into painful localized pressure.
  • a good foot hold in the shoe requires a relatively strong tightening of the loops and the skier often has the impression of a hard spot on the shin despite the presence of the foam. This feeling of a hard spot, which can become painful, is actually due to the crushing of the foam. It turns out that even if this foam is not completely crushed statically by the loop, it is completely crushed, in a repetitive and instantaneous manner, in dynamic behavior, by the repeated bending of the leg, when the skier is skiing.
  • the tongue described in document CH-A-677 588 has, in addition to the foam, a thick, soft non-woven textile layer. This layer, which appreciably increases the thickness of the tongue, also ends up being completely crushed by the action of the loops of the shoe.
  • Document EP-A-0 468 532 discloses a tongue comprising a pocket mounted between two layers of foam, this pocket being filled with a liquid having a particular viscosity and mixed with solid particles, this mixture being sold under the brand FLOLITE.
  • the advantage of such a material is that it adapts the shape of the tongue to the shape of the tibia, but once it has taken this shape, it has no damping role, given the incompressibility of the liquid.
  • this material acts as a pressure distributor on the tibia, in dynamic work, its viscosity is such that it does not have time to flow under the pressure of the loop and the skier feels the localized pressure of this loop.
  • the object of the present invention is to make part of a shoe, other than the sole, as simple as possible, ensuring good cushioning, that is to say the absorption of a temporary overpressure due to an impact or to work. dynamics of a shoe tightening means when bending the leg. Said part must also ensure the comfort of the foot under static pressure by a good distribution of the external pressure.
  • the shoe part according to the invention is characterized in that the inner face of the outer part of the tongue has a honeycomb structure directly covered by the padding.
  • the honeycomb structure may be, for example, of the embossed or honeycomb type.
  • the foam is preferably open cell, but it could be closed cell.
  • the cells are closed by the foam padding, so that a certain amount of air remains trapped in the cells.
  • the foam penetrates very little into the cells.
  • the air trapped in the cells forms a mattress whose effect will be added to the effect of the foam in dynamic work, that is to say during repeated flexions of the leg in the case of a tongue .
  • dynamic compression which is added to the static clamping pressure, the foam indeed penetrates more, by deforming, in the cells and the air contained in the cells is compressed, the elasticity resulting from this compression having the effect of rapidly pushing the foam out of the cells when the dynamic compression ceases.
  • Figure 1 is a view of the exterior of a complete tab.
  • FIG. 2 is a side view of the same loose tab, the foam part of which has been partially separated from the plastic part.
  • Figure 3 is a view of the plastic part only seen from the inside of the liner.
  • FIG. 4 is an exploded schematic view of part of the tongue with a cellular structure different from that shown in FIGS. 2 and 3.
  • FIGS 5, 6 and 7 illustrate the behavior of the tongue during dynamic compression.
  • FIG. 8 represents a liner fitted with a tongue according to FIG. 1.
  • the tongue represented in FIG. 1 comprises a part 1 of semi-rigid plastic material, of curved shape in horse saddle, reinforced in the execution represented by a plastic cover 2 partially covering the plastic part 1.
  • the plastic part 1 is finished , at its lower end, by a tab 3 provided with a positioning notch for fixing it at a point 9 of the liner 10 shown in FIG. 8.
  • the inside of the plastic part 1 is coated with a layer of foam 4 with open cells covered with a woven or knitted lining 5 sewn to the plastic part 1.
  • the inner face of the plastic part 1 has a honeycomb honeycomb structure 6.
  • honeycomb structure 6 could be replaced by another honeycomb structure, for example a structure of the embossed type 6 ′ as shown in FIG. 4 where we also see, in exploded view, the layer of foam 4 and the lining 5.
  • FIG. 5 represents the state of the tongue at the start of compression when the pressure has only a value P1.
  • the pressure P1 has the effect of compressing the lining 5 and, to a certain extent, the padding 4.
  • This padding 4 bears against the end of the ribs formed by the honeycomb structure 6.
  • the air 7 contained in the cells of this alveolar structure is not yet compressed.
  • FIG. 6 represents the state of the tongue when the pressure has reached an intermediate value P2 which has the effect of compressing the padding 4 which deforms and penetrates into the alveoli 7 of the alveolar structure by compressing the air contained in these alveoli . It should be noted that the air contained in the padding 4 is also compressed.
  • FIG. 7 shows the tongue when the pressure has reached its maximum value P3, that is to say at the top of the pressure pulse.
  • P3 the maximum value
  • the state of the tongue in static compression compression corresponds to the state represented in FIG. 5 or to an intermediate state between the state represented in FIG. 5 and the state represented in FIG. 6, depending on the force with which the shoe is tightened.
  • the structure according to the invention is applicable to any part of a shoe or a bootie other than the sole, in particular the lateral parts at the height of the malleoli, the top and the sides of the tarsal and metatarsal part.
  • the alveolar structure does not necessarily have to be regular as shown, but the alveoli could be of varying depth and shape.
  • the foam it could be complex and in particular made up of foams of different densities and / or with open and closed cells.

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

Abstract

The part of the boot concerned, in particular an inner-shoe (bootee) tongue for a ski boot, consists essentially of a leaktight, semirigid plastic outer part (1) having an alveolar structure (6) directly covered by a foam-type padding (4) and of a woven or knitted lining (5). The air enclosed in the cavities of the alveolar structure forms a shock-absorbing pad (padding) which is particularly effective in dynamic compression. <IMAGE>

Description

La présente invention a pour objet une partie de chaussure autre que la semelle, en particulier une languette de chausson intérieur pour chaussure de ski, constituée essentiellement d'une partie extérieure en matière plastique semi-rigide étanche, d'un rembourrage de type mousse et d'une doublure tissée ou tricotée.The present invention relates to a shoe part other than the sole, in particular an inner boot tongue for a ski boot, essentially consisting of an outer part made of waterproof semi-rigid plastic material, of foam-type padding and woven or knitted lining.

De telles languettes sont communéments utilisées dans les chaussons intérieurs de chaussure de ski. La partie extérieure est destinée à supporter la pression des boucles de serrage de la chaussure, le rôle de la mousse étant d'assurer que la pression exercée par les boucles ne se traduise pas en une pression localisée douloureuse. Une bonne tenue du pied dans la chaussure nécessite toutefois un serrage relativement fort des boucles et le skieur a souvent l'impression de point dur sur le tibia malgré la présence de la mousse. Cette sensation de point dur, qui peut devenir douloureuse est due en fait à un écrasement de la mousse. Il s'avère que même si cette mousse n'est pas complètement écrasée statiquement par la boucle, elle est écrasée totalement, de façon répétitive et instantanée, en comportement dynamique, par la flexion répétée de la jambe, lorsque le skieur skie.Such tabs are commonly used in the inner boot of ski boots. The outer part is intended to withstand the pressure of the shoe tightening loops, the role of the foam being to ensure that the pressure exerted by the loops does not translate into painful localized pressure. A good foot hold in the shoe, however, requires a relatively strong tightening of the loops and the skier often has the impression of a hard spot on the shin despite the presence of the foam. This feeling of a hard spot, which can become painful, is actually due to the crushing of the foam. It turns out that even if this foam is not completely crushed statically by the loop, it is completely crushed, in a repetitive and instantaneous manner, in dynamic behavior, by the repeated bending of the leg, when the skier is skiing.

La languette décrite dans le document CH-A-677 588 présente, en plus de la mousse, une épaisse couche textile non tissée moelleuse. Cette couche, qui augmente sensiblement l'épaisseur de la languette, finit également par être écrasée totalement par l'action des boucles de la chaussure.The tongue described in document CH-A-677 588 has, in addition to the foam, a thick, soft non-woven textile layer. This layer, which appreciably increases the thickness of the tongue, also ends up being completely crushed by the action of the loops of the shoe.

Du document EP-A-0 468 532, on connaît une languette comprenant une poche montée entre deux couches de mousse, cette poche étant remplie d'un liquide présentant une viscosité particulière et mélangé à des particules solides, ce mélange étant commercialisé sous la marque FLOLITE. Un tel matériau a pour avantage d'assurer une adaptation de la forme de la languette à la forme du tibia, mais une fois qu'il a pris cette forme, il n'a pas de rôle amortisseur étant donné l'incompressibilité du liquide. En outre, si ce matériau agit comme répartiteur de la pression sur le tibia, en travail dynamique, sa viscosité est telle qu'il n'a pas le temps de fluer sous la pression de la boucle et que le skieur ressent la pression localisée de cette boucle.Document EP-A-0 468 532 discloses a tongue comprising a pocket mounted between two layers of foam, this pocket being filled with a liquid having a particular viscosity and mixed with solid particles, this mixture being sold under the brand FLOLITE. The advantage of such a material is that it adapts the shape of the tongue to the shape of the tibia, but once it has taken this shape, it has no damping role, given the incompressibility of the liquid. In addition, if this material acts as a pressure distributor on the tibia, in dynamic work, its viscosity is such that it does not have time to flow under the pressure of the loop and the skier feels the localized pressure of this loop.

On a déjà songé à utiliser un fluide compressible, c'est-à-dire un gaz, dans la fabrication de semelles de chaussures de sport. De telles chaussures sont décrites par exemple dans les brevets US 4 183 156 et 4 219 945. Le gaz est enfermé sous pression dans une multiplicité de chambres communiquant entre elles. Cette structure est destinée à amortir les chocs tout en assurant une certaine réponse élastique. Or on sait que les matériaux synthétiques ne sont pas parfaitement étanches au gaz, de telle sorte qu'une telle structure nécessite l'emploi de matériaux synthétiques particuliers et le choix d'un gaz approprié, de manière à conserver une pression suffisante pendant plusieurs années. L'utilisation d'une telle structure pour des parties de chaussures autres que la semelle, en particulier des languettes, telle que proposée dans le brevet français 2 586 342, ne présente donc pas un réel intérêt, surtout que les conditions de compression ne sont pas comparables à celle d'une semelle de chaussure en ce qui concerne la grandeur de la pression permanente et des pointes de pression.We have already thought about using a compressible fluid, that is to say a gas, in the manufacture of soles for sports shoes. Such shoes are described, for example, in US patents 4,183,156 and 4,219,945. The gas is trapped under pressure in a multiplicity of chambers communicating with each other. This structure is intended to absorb shocks while ensuring a certain elastic response. Now we know that synthetic materials are not perfectly gas tight, so that such a structure requires the use of specific synthetic materials and the choice of an appropriate gas, so as to maintain sufficient pressure for several years. . The use of such a structure for parts of shoes other than the sole, in particular tongues, as proposed in French patent 2,586,342, is therefore not of real interest, especially since the compression conditions are not not comparable to that of a shoe sole with regard to the magnitude of the permanent pressure and the pressure peaks.

La présente invention a pour but de réaliser de manière aussi simple que possible une partie de chaussure, autre que la semelle, assurant un bon amortissement c'est-à-dire l'absorption d'une surpression momentanée due à un choc ou au travail dynamique d'un moyen de serrage de la chaussure lors de la flexion de la jambe. Ladite partie doit également assurer le confort du pied en pression statique par une bonne répartition de la pression extérieure.The object of the present invention is to make part of a shoe, other than the sole, as simple as possible, ensuring good cushioning, that is to say the absorption of a temporary overpressure due to an impact or to work. dynamics of a shoe tightening means when bending the leg. Said part must also ensure the comfort of the foot under static pressure by a good distribution of the external pressure.

Pour obtenir ce résultat, la partie de chaussure selon l'invention est caractérisée en ce que la face intérieure de la partie extérieure de la languette présente une structure alvéolaire directement recouverte par le rembourrage.To obtain this result, the shoe part according to the invention is characterized in that the inner face of the outer part of the tongue has a honeycomb structure directly covered by the padding.

La structure alvéolaire peut être, par exemple, de type gauffré ou en nid d'abeilles.The honeycomb structure may be, for example, of the embossed or honeycomb type.

La mousse est de préférence à cellules ouvertes, mais elle pourrait être à cellules fermées.The foam is preferably open cell, but it could be closed cell.

Les alvéoles sont fermées par la mousse de rembourrage, de telle sorte qu'une certaine quantité d'air reste emprisonnée dans les alvéoles. Lors du serrage de la chaussure, la mousse ne pénètre que très peu dans les alvéoles. L'air emprisonné dans les alvéoles constitue un matelas dont l'effet va s'ajouter à l'effet de la mousse en travail dynamique, c'est-à-dire lors des flexions répétées de la jambe dans le cas d'une languette. Lors de la compression dynamique, qui s'ajoute à la pression statique de serrage, la mousse pénètre en effet d'avantage, en se déformant, dans les alvéoles et l'air contenu dans les alvéoles est comprimé, l'élasticité résultant de cette compression ayant pour effet de repousser rapidement la mousse hors des alvéoles lorsque la compression dynamique cesse.The cells are closed by the foam padding, so that a certain amount of air remains trapped in the cells. When tightening the shoe, the foam penetrates very little into the cells. The air trapped in the cells forms a mattress whose effect will be added to the effect of the foam in dynamic work, that is to say during repeated flexions of the leg in the case of a tongue . During dynamic compression, which is added to the static clamping pressure, the foam indeed penetrates more, by deforming, in the cells and the air contained in the cells is compressed, the elasticity resulting from this compression having the effect of rapidly pushing the foam out of the cells when the dynamic compression ceases.

Dans le cas d'un rembourrage en mousse à cellules ouvertes, l'air comprimé dans les alvéoles s'échappe à travers la mousse et la doublure intérieure. Etant donné la très grande perte de charge dans la mousse, l'air, en travail dynamique, n'a toutefois pas le temps de s'échapper complètement des alvéoles, de telle sorte qu'une partie de cet air reste sous forme comprimée dans les alvéoles, l'élasticité résultant de cette compression ayant également pour effet de repousser rapidement la mousse hors des alvéoles lorsque la compression dynamique cesse.In the case of open cell foam padding, the compressed air in the cells escapes through the foam and the inner lining. Given the very large pressure drop in the foam, the air, in dynamic work, does not however have time to completely escape from the alveoli, so that part of this air remains in compressed form in the alveoli, the elasticity resulting from this compression also having the effect of rapidly pushing the foam out of the alveoli when the dynamic compression ceases.

Ainsi contrairement aux semelles amortisseuses des chaussures de sport, il n'est pas nécessaire d'avoir une enveloppe étanche au gaz. Dans le mode d'exécution préféré, on tire parti, au contraire, de la non étanchéité de la mousse et de la doublure. De plus, non seulement la nouvelle structure de la languette est réalisée sans élément additionnel, mais elle permet de supprimer l'épaisse couche textile non tissée présente dans la languette selon le brevet CH 677 588.So unlike the shock absorbing soles of sports shoes, it is not necessary to have a gas-tight envelope. In the preferred embodiment, on the contrary, advantage is taken of the non-sealing of the foam and of the lining. In addition, not only the new structure of the tongue is produced without additional element, but it makes it possible to remove the thick non-woven textile layer present in the tongue according to patent CH 677 588.

Le dessin annexé représente, à titre d'exemple, une forme d'exécution de l'invention.The accompanying drawing shows, by way of example, an embodiment of the invention.

La figure 1 est une vue de l'extérieur d'une languette complète.Figure 1 is a view of the exterior of a complete tab.

La figure 2 est une vue de côté de la même languette décousue et dont la partie mousse a été partiellement écartée de la partie plastique.FIG. 2 is a side view of the same loose tab, the foam part of which has been partially separated from the plastic part.

La figure 3 est une vue de la partie plastique seule vue de l'intérieur du chausson.Figure 3 is a view of the plastic part only seen from the inside of the liner.

La figure 4 est une vue schématique éclatée d'une partie de la languette avec une structure alvéolaire différente de celle représentée aux figures 2 et 3.FIG. 4 is an exploded schematic view of part of the tongue with a cellular structure different from that shown in FIGS. 2 and 3.

Les figures 5, 6 et 7 illustrent le comportement de la languette lors d'une compression dynamique.Figures 5, 6 and 7 illustrate the behavior of the tongue during dynamic compression.

La figure 8 représente un chausson équipé d'une languette selon la figure 1.FIG. 8 represents a liner fitted with a tongue according to FIG. 1.

La languette représentée à la figure 1 comprend une partie 1 en matière plastique semi-rigide, de forme galbée en selle de cheval, renforcée dans l'exécution représentée par une couverture plastique 2 recouvrant partiellement la partie plastique 1. La partie plastique 1 est terminée, à son extrémité inférieure, par une patte 3 munie d'une encoche de positionnement pour sa fixation en un point 9 du chausson 10 représenté à la figure 8. Le côté intérieur de la partie plastique 1 est revêtue d'une couche de mousse 4 à cellules ouvertes recouverte d'une doublure 5 tissée ou tricotée cousue à la partie plastique 1.The tongue represented in FIG. 1 comprises a part 1 of semi-rigid plastic material, of curved shape in horse saddle, reinforced in the execution represented by a plastic cover 2 partially covering the plastic part 1. The plastic part 1 is finished , at its lower end, by a tab 3 provided with a positioning notch for fixing it at a point 9 of the liner 10 shown in FIG. 8. The inside of the plastic part 1 is coated with a layer of foam 4 with open cells covered with a woven or knitted lining 5 sewn to the plastic part 1.

Comme ceci est visible à la figure 2, la face intérieure de la partie plastique 1 présente une structure alvéolaire en nid d'abeilles 6.As can be seen in FIG. 2, the inner face of the plastic part 1 has a honeycomb honeycomb structure 6.

La structure en nid d'abeilles 6 pourrait être remplacée par une autre structure alvéolaire, par exemple une structure de type gauffrée 6' telle que représentée à la figure 4 où l'on voit également, en vue éclatée, la couche de mousse 4 et la doublure 5.The honeycomb structure 6 could be replaced by another honeycomb structure, for example a structure of the embossed type 6 ′ as shown in FIG. 4 where we also see, in exploded view, the layer of foam 4 and the lining 5.

Le comportement de la structure de la languette lors d'une compression dynamique sera maintenant décrite en relation avec les figures 5 à 7.The behavior of the tongue structure during dynamic compression will now be described in relation to FIGS. 5 to 7.

La figure 5 représente l'état de la languette en début de compression lorsque la pression n'a qu'une valeur P1. La pression P1 a pour effet de comprimer la doublure 5 et, dans une certaine mesure, le rembourrage 4. Ce rembourrage 4 est en appui contre l'extrémité des nervures formées par la structure alvéolaire 6. L'air 7 contenu dans les alvéoles de cette structure alvéolaire n'est pas encore comprimé.FIG. 5 represents the state of the tongue at the start of compression when the pressure has only a value P1. The pressure P1 has the effect of compressing the lining 5 and, to a certain extent, the padding 4. This padding 4 bears against the end of the ribs formed by the honeycomb structure 6. The air 7 contained in the cells of this alveolar structure is not yet compressed.

La figure 6 représente l'état de la languette lorsque la pression a atteint une valeur intermédiaire P2 qui a pour effet de comprimer le rembourrage 4 qui se déforme et pénètre dans les alvéoles 7 de la structure alvéolaire en comprimant l'air contenu dans ces alvéoles. Il convient de noter que l'air contenu dans le rembourrage 4 est également comprimé.FIG. 6 represents the state of the tongue when the pressure has reached an intermediate value P2 which has the effect of compressing the padding 4 which deforms and penetrates into the alveoli 7 of the alveolar structure by compressing the air contained in these alveoli . It should be noted that the air contained in the padding 4 is also compressed.

La figure 7 montre la languette lorsque la pression a atteint sa valeur maximale P3, c'est-à-dire au sommet de l'impulsion de pression. Pendant la phase de compression, l'air comprimé dans les alvéoles 7 s'échappe lentement à travers le rembourrage 4 et la doublure 5. En raison de la très grande perte de charge à travers le rembourrage 4, perte de charge encore augmentée par l'air comprimé dans les cellules ouvertes de ce rembourrage la pression de l'air diminue relativement lentement dans les alvéoles. La pression P disparaît généralement avant que la pression de l'air dans les alvéoles n'ait sensiblement diminué. Ainsi, jusqu'à la fin de l'impulsion de pression, la languette conserve une certaine quantité d'air comprimé assurant une très grande élasticité de la languette à la compression et empêchant toute sensation de point dur à l'endroit d'une pression localisée sur la languette, pression localisée notamment due au moyen de serrage de la chaussure.FIG. 7 shows the tongue when the pressure has reached its maximum value P3, that is to say at the top of the pressure pulse. During the compression phase, the compressed air in the alveoli 7 slowly escapes through the padding 4 and the lining 5. Due to the very large pressure drop through the padding 4, pressure loss further increased by l Compressed air in the open cells of this padding the air pressure decreases relatively slowly in the alveoli. The pressure P generally disappears before the air pressure in the cells has significantly decreased. Thus, until the end of the pressure pulse, the tab retains a certain amount of compressed air ensuring a very high elasticity of the tongue to compression and preventing any feeling of hard point at the place of a localized pressure on the tongue, localized pressure in particular due to the tightening means of the shoe.

L'état de la languette en compression statique de serrage correspond à l'état représenté à la figure 5 ou à un état intermédiaire entre l'état représenté à la figure 5 et l'état représenté à la figure 6, selon la force avec laquelle est effectué le serrage de la chaussure.The state of the tongue in static compression compression corresponds to the state represented in FIG. 5 or to an intermediate state between the state represented in FIG. 5 and the state represented in FIG. 6, depending on the force with which the shoe is tightened.

La structure selon l'invention est applicable à toute partie d'une chaussure ou d'un chausson autre que la semelle, en particulier les parties latérales à la hauteur des malléoles, le dessus et les côtés de la partie tarsienne et métatarsienne.The structure according to the invention is applicable to any part of a shoe or a bootie other than the sole, in particular the lateral parts at the height of the malleoli, the top and the sides of the tarsal and metatarsal part.

La structure alvéolaire ne doit pas nécessairement être régulière comme représenté, mais les alvéoles pourraient être de profondeur et de forme variable. Quant à la mousse elle pourrait être complexe et en particulier constituée de mousses de densités différentes et/ou à cellules ouvertes et fermées.The alveolar structure does not necessarily have to be regular as shown, but the alveoli could be of varying depth and shape. As for the foam, it could be complex and in particular made up of foams of different densities and / or with open and closed cells.

Claims (5)

Partie de chaussure autre que la semelle, en particulier partie de chausson intérieur pour chaussure de ski, constituée essentiellement d'une partie extérieure en matière plastique semi-rigide étanche (1), d'un rembourrage (4) de type mousse et d'une doublure tissée ou tricotée (5), caractérisée en ce que la face intérieure de la partie extérieure (1) présente une structure alvéolaire (6; 6') directement recouverte par le rembourrage (4).Part of shoe other than the sole, in particular part of inner boot for ski boot, consisting essentially of an outer part of semi-rigid waterproof plastic (1), of padding (4) of foam type and a woven or knitted lining (5), characterized in that the inner face of the outer part (1) has a honeycomb structure (6; 6 ') directly covered by the padding (4). Partie de chaussure selon la revendication 1, caractérisée en ce que le rembourrage (4) est constitué d'une mousse à cellules ouvertes.Shoe part according to claim 1, characterized in that the padding (4) consists of open cell foam. Languette selon la revendication 1 ou 2, caractérisée en ce que qu'elle est exclusivement constituée de la partie extérieure alvéolaire, d'une couche de mousse et de la doublure tissée ou tricotée.Tongue according to claim 1 or 2, characterized in that it consists exclusively of the outer cellular part, a layer of foam and the woven or knitted lining. Partie de chaussure selon l'une des revendications 1 à 3, caractérisée en ce que la structure alvéolaire est une structure en nid d'abeilles (6).Shoe part according to one of claims 1 to 3, characterized in that the honeycomb structure is a honeycomb structure (6). Partie de chaussure selon l'une des revendications 1 à 3, caractérisée en ce que la structure alvéolaire est une structure gauffrée (6').Shoe part according to one of claims 1 to 3, characterized in that the honeycomb structure is an embossed structure (6 ').
EP94810468A 1993-09-07 1994-08-11 Inner shoe tongue for skiboot Expired - Lifetime EP0646335B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH02657/93A CH689665A5 (en) 1993-09-07 1993-09-07 Shoe portion other than the sole, in particular slipper tongue inside ski boot.
CH2657/93 1993-09-07
CH265793 1993-09-07

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EP0646335A1 true EP0646335A1 (en) 1995-04-05
EP0646335B1 EP0646335B1 (en) 1997-07-23
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EP (1) EP0646335B2 (en)
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DE (1) DE69404408T3 (en)

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EP1110466A3 (en) * 1999-12-21 2002-01-09 Lange International S.A. Innerboot for skiboots
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Also Published As

Publication number Publication date
CH689665A5 (en) 1999-08-13
EP0646335B1 (en) 1997-07-23
US5575090A (en) 1996-11-19
DE69404408D1 (en) 1997-09-04
DE69404408T2 (en) 1998-02-05
EP0646335B2 (en) 2000-09-27
DE69404408T3 (en) 2001-04-19

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