EP1330965B1 - Snowboard boot - Google Patents

Snowboard boot Download PDF

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Publication number
EP1330965B1
EP1330965B1 EP02356256A EP02356256A EP1330965B1 EP 1330965 B1 EP1330965 B1 EP 1330965B1 EP 02356256 A EP02356256 A EP 02356256A EP 02356256 A EP02356256 A EP 02356256A EP 1330965 B1 EP1330965 B1 EP 1330965B1
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EP
European Patent Office
Prior art keywords
sole
boot
liner
compressibility
foot
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 - Fee Related
Application number
EP02356256A
Other languages
German (de)
French (fr)
Other versions
EP1330965A1 (en
Inventor
Nicolas Yvars
Ricardo Perotto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Skis Rossignol SA
Original Assignee
Skis Rossignol SA
Rossignol SA
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Filing date
Publication date
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Publication of EP1330965A1 publication Critical patent/EP1330965A1/en
Application granted granted Critical
Publication of EP1330965B1 publication Critical patent/EP1330965B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • 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
    • A43B5/0401—Snowboard boots
    • 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
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/187—Resiliency achieved by the features of the material, e.g. foam, non liquid materials
    • A43B13/188—Differential cushioning regions
    • 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
    • A43B5/00—Footwear for sporting purposes
    • A43B5/04—Ski or like boots
    • A43B5/0427—Ski or like boots characterised by type or construction details
    • A43B5/0435—Adjustment of the boot to the foot
    • A43B5/0441—Adjustment of the boot to the foot by lifting the insole

Definitions

  • the invention relates to the field of snow sliding sports. It is more specifically a shoe for the practice of snowboarding. It relates more particularly to arrangements provided inside the boot to facilitate the movements of orientation of the leg relative to the board.
  • the leg has a certain freedom of inclination relative to the plane of the board.
  • the movement of the knee inwards results, because of the articulation of the ankle, by a modification of the inclination of the foot. This general movement is usually called “rolling" motion.
  • This inclination of the leg inward is done differently depending on the type of shoe used.
  • soft shoes in association with a binding comprising straps holding the foot, and a rear gutter making it possible to take support towards the rear.
  • This kind of fixation allows a slight movement of the shoe inside the straps by transverse sliding of the sole on the base of the binding.
  • shoes whose sole is more rigid because it has fastening members on the binding. This sole is pressed on the upper face of the board, or on the base of the binding. In this case, no transverse movement of the shoe is allowed, unlike the other type of attachment mentioned above.
  • the problem that the invention proposes to solve is that of allowing a tilt of the leg and thus a pivoting of the foot within the lower part of the boot, while maintaining the firm attachment of the sole of the shoe relative to to the board.
  • This rigid insert has support points located at its median longitudinal plane, so that when the user exerts efforts on one side of the foot, this insert pivots around its support points relative to the hull. , causing a transverse inclination of the foot. In this way, the forces exerted by the user can be located either on the inside or the outer side of the shoe.
  • This technique is not transferable to the snowboarding field, since it concerns a shoe eminently rigid, while the shoes used in the field of surfing are the opposite particularly flexible, to allow lateral movement of the leg.
  • the solutions described in the aforementioned documents relate only to a transverse inclination of the foot, the leg remaining in the same vertical plane due to the rigidity of the upper part of the shoe.
  • the document EP 0 743 023 describes a surf shoe that is arranged to facilitate foot flexion movements around the ankle, when tilting the leg.
  • this shoe has a compressible area at the heel, which allows the pivoting of the latter and good bending of the ankle.
  • two compressible zones located on either side of the sole allow flexion movements.
  • the problem solved by the invention is that of providing both a firm grip and a firm anchoring of the boot with respect to the surfboard, while allowing a transverse inclination capacity of the leg and foot relative to to the sole of the shoe and without weakening or complicating the structure of the sole of the shoe.
  • the invention therefore relates to a shoe for the practice of snowboarding.
  • a shoe for the practice of snowboarding.
  • such a shoe has a flexible boot inside which is set up a removable boot, used for its qualities of comfort, the flexible boot being designed to ensure a seal and a closed anchorage on the board.
  • the sole of the liner has the characteristics defined in the characterizing part of claim 1.
  • the sole of the liner has a hardness greater than that it has in the peripheral lateral zones, so that when the user exerts a support on one side of the foot, the peripheral zone crushes, while the central part of the sole of the liner does not deforms that very little. This deformation does not involve in any case the sole of the outer boot which remains firmly anchored to the board.
  • the central portion of the sole of the slipper as for it provides a pivot effect that facilitates and promotes this movement.
  • the sole of the boot which, in its upper part, has the characteristics of the characteristic part of claim 2.
  • the upper part of the sole of the boot we mean the portion that receives the contact of the shoe, as opposed to the portion of the sole that seals and comes into contact with the ground.
  • the lateral zones situated on either side of the more rigid zone may have similar or different mechanical properties, and more precisely identical or different compressibility. In the case where they are different, it may be preferred that the zone located on the inner side of the foot has the greatest compressibility. Indeed, it is more generally observed transverse movements of the leg oriented inward.
  • the region of lower compressibility located in the central part of the sole of the boot or boot, has at least in its front part, areas of lesser hardness, s extending transversely, so as to encourage the unwinding of the foot when walking.
  • the central part of the shoe which has greater rigidity than the lateral areas remains deformable at the zones of lesser hardness characteristic, so as to match the curvature of the foot, including its front, at the level of the metatarsophalangeal joint during the walking movement.
  • these areas of lesser hardness can be formed by transverse grooves in which material is removed. It can also be solid areas filled with a relatively deformable material. Slits or transverse cuts, open downwards can fulfill the same function.
  • the region of lesser compressibility of the sole of the bootie or the boot can be divided into two branches extending on either side of the plumb of the calcaneus.
  • the sole area of the liner or boot directly above the calcaneus remains relatively compressible, and is at least partially surrounded by a more rigid region, defining a housing for the end of the calcaneus.
  • the heel through which a significant portion of the vertical forces is transmitted, remains supported by a relatively compressible zone, which confers a certain comfort to the user.
  • the housing thus formed for the heel ensures a lateral positioning thereof which can be useful in the "rolling" movements corresponding to the transverse inclination of the foot. In other words, the heel thus slightly maintained remains in the axis of the foot, which ensures a good transmission of efforts.
  • the sole of the boot or boot can be made of two different plastics obtained by overmolding or assembly / bonding or thermocompression. These plastics may be of different Shore hardnesses, or preferably foams whose densities are different or variable, and therefore lower in the side portions of greater compressibility.
  • the sole of the liner may also incorporate an additional element added forming an insert in its thickness.
  • This sole can be for example overmolded on the stem part of the rest of the bootie, or alternatively be manufactured independently, and bonded to the lower part of the boot, in a traditional way.
  • the invention relates to a surf shoe, as illustrated in FIG. figure 1 .
  • a shoe (1) essentially comprises a boot flexible (2) whose sole (3) comes into contact with the board either directly or through the base of a fastener.
  • This attachment ensures a firm anchoring and almost without play of the sole (3) on the board.
  • the attachment cooperates with one or more organs located under or in the sole, on one side of the latter, or even on another part of the shoe.
  • it may be a metal plate (4) extending transversely under the sole (3) of the shoe, at the level of the arch.
  • bindings can, in an advantageous form but which is not mandatory, operate according to a principle commonly known as “step'in", allowing automatic donning without the user having to actuate the hooking means manually after putting in place the shoe precisely in relation to the binding.
  • the shoe (1) illustrated in figure 1 comprises inside the flexible boot a removable boot (5) which provides comfort functions, being for example made of a thermally insulating material and relatively soft to the contact.
  • this removable boot (5) has a sole (6) having a specific configuration. More specifically, and as illustrated in figure 2 , this sole has around its median longitudinal plane (7) an area (8) of lower compressibility. This lower compressibility is appreciated in view of the compressibility of the lateral zones (9, 10) located on either side of this zone (8). These lateral zones (9, 10) are intended to receive the supports of the foot, especially in the front part, and at the level of the phalanges of the lateral fingers.
  • the front part of the less compressible central zone (8) has three transverse grooves (11, 12, 13) facilitating the deformation of the front of this zone (8) in a vertical plane passing through the median longitudinal plane (7). ). This deformability is useful to follow the course of the foot joint, including the metatarsophalangeal joint during walking movements.
  • the foot (20) rests on the sole (6) bearing on both the relatively compressible side areas (9, 10) and the central area (8) of lower compressibility.
  • This sole (6) rests on the sole (3) of the outer boot which rests itself on the board (15) directly as in the illustrated form, or via the base of a binding in other forms not illustrated.
  • This pivoting corresponds to the movement induced by the inclination of the leg on the inner side.
  • the sole (6) of the deformable liner comprises a zone (16) relatively compressible at the level of the calcaneal plumb.
  • This compressible zone (16) is surrounded at least partially by extensions (17, 18) of the rear part of the more compressible central zone (8).
  • These extensions (17, 18) are of less compressibility than the zone (16) above the heel, so that they define a housing in which the heel can be inserted.
  • This housing (19) is illustrated at figure 5 .
  • This area (16) above the heel is compressed when the forces are exerted vertically by the user.
  • the inscription of the heel in the housing (19) thus prevents the heel from shifting too far laterally and thus keeps the foot in the axis of the shoe, despite the slight movements that allows the soft shoe.
  • the zone (16) above the heel is made of the same material as the lateral zones (9, 10) located on either side of the median longitudinal plane (7). This area directly above the heel is directly connected to the lateral zones (9, 10). However, in non-illustrated variants, the area above the heel could be totally circumscribed by an area of greater rigidity, thus defining a quasi-circular housing.
  • the central area of lower compressibility can be interrupted between the front part and the rear part of the foot, so that the area of lower compressibility surrounding the plumb heel is independent of the portion of lower compressibility located at the front of the sole.
  • this central edge is part of a component (22) which also comprises the compressible areas (27,28), but the invention also covers the non-illustrated variant in which the central edge is constituted by a rib protruding formed in the outsole (24).

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Description

Domaine techniqueTechnical area

L'invention se rattache au domaine des sports de glisse sur neige. Elle vise plus précisément une chaussure destinée à la pratique du surf des neiges. Elle concerne plus particulièrement des agencements prévus à l'intérieur de la chaussure pour faciliter les mouvements d'orientation de la jambe par rapport à la planche.The invention relates to the field of snow sliding sports. It is more specifically a shoe for the practice of snowboarding. It relates more particularly to arrangements provided inside the boot to facilitate the movements of orientation of the leg relative to the board.

Techniques antérieuresPrevious techniques

De façon générale, pour la pratique du surf des neiges, il est souhaitable de pouvoir bénéficier d'une très bonne transmission des efforts entre le pied de l'utilisateur et la planche. Cette bonne transmission passe généralement par l'emploi de fixations assurant une solidarisation ferme et efficace de la semelle de la chaussure par rapport à la face supérieure de la planche. Une très grande variété de ce type de fixations a déjà été proposée, en assurant un accrochage ou ancrage mécanique ferme de la semelle ou plus généralement de la chaussure sur la planche.In general, for the practice of snowboarding, it is desirable to be able to benefit from a very good transmission of the forces between the user's foot and the board. This good transmission generally involves the use of fasteners ensuring a solid and effective solidarity of the sole of the boot relative to the upper face of the board. A very wide variety of this type of fasteners has already been proposed, ensuring a firm attachment or mechanical anchoring of the sole or more generally of the shoe on the board.

Pour certaines pratiques de surf, il est également nécessaire que la jambe possède une certaine liberté d'inclinaison par rapport au plan de la planche. Il peut notamment être utile de pouvoir incliner la jambe vers l'intérieur, pour décaler le poids du corps par rapport à la position des pieds. Le mouvement du genou vers l'intérieur se traduit, du fait de l'articulation de la cheville, par une modification de l'inclinaison du pied. Ce mouvement général est habituellement appelé mouvement de "rolling".For some surfing practices, it is also necessary that the leg has a certain freedom of inclination relative to the plane of the board. In particular, it may be useful to be able to tilt the leg inwards, to shift the weight of the body relative to the position of the feet. The movement of the knee inwards results, because of the articulation of the ankle, by a modification of the inclination of the foot. This general movement is usually called "rolling" motion.

Cette inclinaison de la jambe vers l'intérieur s'effectue de manière différente selon le type de chaussure utilisée. Ainsi, on peut utiliser des chaussures souples, en association avec une fixation comportant des sangles maintenant le pied, et une gouttière arrière permettant la prise d'appui vers l'arrière. Ce genre de fixation autorise un léger mouvement de la chaussure à l'intérieur des sangles par coulissement transversal de la semelle sur l'embase de la fixation. On peut également utiliser des chaussures dont la semelle est plus rigide, car elle comporte des organes d'accrochage sur la fixation. Cette semelle est plaquée sur la face supérieure de la planche, ou sur l'embase de la fixation. Dans ce cas, aucun mouvement transversal de la chaussure n'est permis, contrairement à l'autre type de fixation évoqué ci-avant.This inclination of the leg inward is done differently depending on the type of shoe used. Thus, it is possible to use soft shoes, in association with a binding comprising straps holding the foot, and a rear gutter making it possible to take support towards the rear. This kind of fixation allows a slight movement of the shoe inside the straps by transverse sliding of the sole on the base of the binding. It is also possible to use shoes whose sole is more rigid, because it has fastening members on the binding. This sole is pressed on the upper face of the board, or on the base of the binding. In this case, no transverse movement of the shoe is allowed, unlike the other type of attachment mentioned above.

Le problème que se propose de résoudre l'invention est celui de permettre une inclinaison de la jambe et donc un pivotement du pied au sein de la partie basse de la chaussure, tout en maintenant l'accrochage ferme de la semelle de la chaussure par rapport à la planche.The problem that the invention proposes to solve is that of allowing a tilt of the leg and thus a pivoting of the foot within the lower part of the boot, while maintaining the firm attachment of the sole of the shoe relative to to the board.

Le Demandeur a déjà apporté certaines solutions à ce problème notamment en proposant une chaussure décrite dans le document EP 1 166 669 , dont la semelle présente certains agencements autorisant des mouvements de la semelle par rapport aux moyens d'ancrage vis à vis de la fixation. Dans cette solution, on permet à la semelle de la chaussure de se déformer pour se déplacer légèrement par rapport à la fixation. Ces solutions, bien que satisfaisantes sont mécaniquement complexes. En effet, l'emploi de matériaux élastiques au niveau de la semelle de marche de la chaussure peut engendrer des problèmes d'étanchéité ainsi que d'usure. Ce genre de problème s'observe notamment dans les chaussures décrites dans le document WO 97/27773 .The Applicant has already provided some solutions to this problem, in particular by providing a shoe described in the document EP 1 166 669 , whose sole has some arrangements allowing movement of the sole relative to the anchoring means with respect to the attachment. In this solution, the sole of the shoe is allowed to deform to move slightly relative to the binding. These solutions, although satisfactory, are mechanically complex. Indeed, the use of elastic materials in the outsole of the shoe can cause sealing problems as well as wear. This kind of problem is particularly observed in the shoes described in the document WO 97/27773 .

On a déjà proposé des solutions permettant de modifier l'inclinaison du pied à l'intérieur d'une chaussure de ski rigide. Cette solution qui fait l'objet des publications US 4 144 659 et US 4 074 446 , consiste à équiper la chaussure de ski rigide d'un insert rigide intercalé entre le chausson de la chaussure, et la coque de la chaussure proprement dite.Solutions have already been proposed for modifying the inclination of the foot inside a rigid ski boot. This solution is the subject of US 4,144,659 publications and US 4,074,446 is to equip the rigid ski boot with a rigid insert inserted between the boot of the shoe, and the shell of the shoe itself.

Cet insert rigide présente des points d'appui situés au niveau de son plan longitudinal médian, de sorte que lorsque l'utilisateur exerce des efforts d'un côté du pied, cet insert pivote autour de ses points d'appuis par rapport à la coque, entraînant une inclinaison transversale du pied. De la sorte, les efforts exercés par l'utilisateur peuvent être localisés soit du côté intérieur, soit du côté extérieur de la chaussure. Cette technique n'est pas transposable au domaine du surf des neiges, puisqu'elle concerne une chaussure éminemment rigide, alors que les chaussures utilisées dans le domaine du surf sont à l'opposé particulièrement souples, pour autoriser un mouvement latéral de la jambe. Les solutions décrites dans les documents précités concernent uniquement une inclinaison transversale du pied, la jambe restant dans un même plan vertical du fait de la rigidité de la partie haute de la chaussure.This rigid insert has support points located at its median longitudinal plane, so that when the user exerts efforts on one side of the foot, this insert pivots around its support points relative to the hull. , causing a transverse inclination of the foot. In this way, the forces exerted by the user can be located either on the inside or the outer side of the shoe. This technique is not transferable to the snowboarding field, since it concerns a shoe eminently rigid, while the shoes used in the field of surfing are the opposite particularly flexible, to allow lateral movement of the leg. The solutions described in the aforementioned documents relate only to a transverse inclination of the foot, the leg remaining in the same vertical plane due to the rigidity of the upper part of the shoe.

Par ailleurs, l'emploi d'un tel insert augmente notablement la hauteur de la chaussure, alors que dans la pratique du surf, il est préférable d'avoir le pied le plus proche de la planche pour que les efforts soient transmis le plus efficacement.Moreover, the use of such an insert significantly increases the height of the shoe, while in the practice of surfing, it is preferable to have the foot closest to the board for efforts to be transmitted most effectively .

Le document EP 0 743 023 décrit une chaussure de surf qui est agencée pour faciliter les mouvements de flexion du pied autour de la cheville, lors de l'inclinaison de la jambe.The document EP 0 743 023 describes a surf shoe that is arranged to facilitate foot flexion movements around the ankle, when tilting the leg.

Pour ce faire, cette chaussure possède une zone compressible au niveau du talon, qui autorise le pivotement de ce dernier et une bonne flexion de la cheville. Lorsque l'utilisateur est en appui sur l'avant du pied, deux zones compressibles situées de part et d'autre de la semelle permettent des mouvements de flexion.To do this, this shoe has a compressible area at the heel, which allows the pivoting of the latter and good bending of the ankle. When the user is in support on the front of the foot, two compressible zones located on either side of the sole allow flexion movements.

Le problème que cherche à résoudre l'invention est celui de fournir à la fois un accrochage et un ancrage fermes de la chaussure par rapport à la planche de surf, tout en autorisant une capacité d'inclinaison transversale de la jambe et du pied par rapport à la semelle de la chaussure et ce, sans fragiliser ou complexifier la structure de la semelle de la chaussure.The problem solved by the invention is that of providing both a firm grip and a firm anchoring of the boot with respect to the surfboard, while allowing a transverse inclination capacity of the leg and foot relative to to the sole of the shoe and without weakening or complicating the structure of the sole of the shoe.

Exposé de l'inventionPresentation of the invention

L'invention concerne donc une chaussure pour la pratique du surf des neiges. De façon connue, une telle chaussure comporte une botte souple à l'intérieur de laquelle est mis en place un chausson amovible, utilisé pour ses qualités de confort, la botte souple étant quant à elle conçue pour assurer une étanchéité et un ancrage fermé sur la planche.The invention therefore relates to a shoe for the practice of snowboarding. In known manner, such a shoe has a flexible boot inside which is set up a removable boot, used for its qualities of comfort, the flexible boot being designed to ensure a seal and a closed anchorage on the board.

Conformément à l'invention, la semelle du chausson présente les caractéristiques définies dans la partie caractérisante de la revendication 1. Autrement dit, autour de son plan longitudinal médian, la semelle du chausson présente une dureté supérieure à celle qu'elle présente dans les zones périphériques latérales, de sorte que lorsque l'utilisateur exerce un appui d'un côté du pied, la zone périphérique s'écrase, alors que la partie centrale de la semelle du chausson ne se déforme que très peu. Cette déformation ne fait intervenir en aucun cas la semelle de la botte extérieure qui reste fermement ancrée par rapport à la planche.According to the invention, the sole of the liner has the characteristics defined in the characterizing part of claim 1. In other words, around its median longitudinal plane, the sole of the liner has a hardness greater than that it has in the peripheral lateral zones, so that when the user exerts a support on one side of the foot, the peripheral zone crushes, while the central part of the sole of the liner does not deforms that very little. This deformation does not involve in any case the sole of the outer boot which remains firmly anchored to the board.

Ainsi, lorsque l'utilisateur incline sa jambe vers l'intérieur, ce mouvement se transmet par l'articulation de la cheville sur le pied, et plus spécifiquement sur la partie avant du pied. Ce mouvement se traduit donc par une inclinaison transversale du pied et plus précisément de l'avant du pied par rapport au plan de la planche. Cette inclinaison transversale est rendue possible du fait que les zones périphériques de la semelle du chausson sont plus facilement compressibles.Thus, when the user tilts his leg inward, this movement is transmitted by the articulation of the ankle on the foot, and more specifically on the front part of the foot. This movement is therefore reflected by a transverse inclination of the foot and more precisely the front of the foot relative to the plane of the board. This transverse slope is made possible because the peripheral zones of the sole of the liner are more easily compressible.

La partie centrale de la semelle du chausson quant à elle assure un effet de pivot qui facilite et favorise ce mouvement.The central portion of the sole of the slipper as for it provides a pivot effect that facilitates and promotes this movement.

Dans une variante de réalisation équivalente, on peut prévoir que c'est un composant de la semelle de la botte qui, dans sa partie supérieure, présente les caractéristiques de la partie caractéristique de la revendication 2. Par partie supérieure de la semelle de la botte, on entend la portion qui reçoit le contact du chausson, par opposition à la portion de la semelle qui assure l'étanchéité et qui vient au contact avec le sol.In an equivalent variant embodiment, it may be provided that it is a component of the sole of the boot which, in its upper part, has the characteristics of the characteristic part of claim 2. By the upper part of the sole of the boot we mean the portion that receives the contact of the shoe, as opposed to the portion of the sole that seals and comes into contact with the ground.

En pratique les zones latérales, situées de part et d'autre de la zone plus rigide, peuvent présenter des propriétés mécaniques similaires ou différentes, et plus précisément des compressibilité identiques ou différentes. Dans le cas où elles sont différentes, on pourra préférer que la zone située du coté interne du pied présente la compressibilité la plus importante. En effet, on observe plus généralement des mouvements transversaux de la jambe orientés vers l'intérieur.In practice, the lateral zones situated on either side of the more rigid zone may have similar or different mechanical properties, and more precisely identical or different compressibility. In the case where they are different, it may be preferred that the zone located on the inner side of the foot has the greatest compressibility. Indeed, it is more generally observed transverse movements of the leg oriented inward.

Selon une autre caractéristique de l'invention, on peut prévoir que la région de compressibilité moins importante, située dans la partie centrale de la semelle du chausson ou de la botte, présente au moins dans sa partie avant, des zones de moindre dureté, s'étendant transversalement, de manière à favoriser le déroulé du pied lors de la marche. Autrement dit, la partie centrale de la chaussure, qui présente une rigidité plus importante que les zones latérales reste toutefois déformable au niveau des zones de moindre dureté caractéristique, de manière à épouser la courbure du pied, et notamment de sa partie avant, au niveau de l'articulation métatarsophalangienne lors du mouvement de marche.According to another characteristic of the invention, it can be provided that the region of lower compressibility, located in the central part of the sole of the boot or boot, has at least in its front part, areas of lesser hardness, s extending transversely, so as to encourage the unwinding of the foot when walking. In other words, the central part of the shoe, which has greater rigidity than the lateral areas remains deformable at the zones of lesser hardness characteristic, so as to match the curvature of the foot, including its front, at the level of the metatarsophalangeal joint during the walking movement.

En pratique, ces zones de moindre dureté peuvent être formées par des rainures transversales dans lesquelles de la matière est enlevée. Il peut également s'agir de zones pleines emplies d'une matière relativement déformable. Des fentes ou entailles transversales, ouvertes vers le bas peuvent remplir la même fonction.In practice, these areas of lesser hardness can be formed by transverse grooves in which material is removed. It can also be solid areas filled with a relatively deformable material. Slits or transverse cuts, open downwards can fulfill the same function.

Selon une autre caractéristique de l'invention, dans la zone du talon, la région de compressibilité moins importante de la semelle du chausson ou de la botte peut se diviser en deux branches s'étendant de part et d'autre de l'aplomb du calcanéum. Autrement dit, la zone de la semelle du chausson ou de la botte située à l'aplomb du calcanéum reste relativement compressible, et est entourée au moins partiellement d'une région plus rigide, définissant un logement pour l'extrémité du calcanéum.According to another characteristic of the invention, in the area of the heel, the region of lesser compressibility of the sole of the bootie or the boot can be divided into two branches extending on either side of the plumb of the calcaneus. In other words, the sole area of the liner or boot directly above the calcaneus remains relatively compressible, and is at least partially surrounded by a more rigid region, defining a housing for the end of the calcaneus.

Ainsi, le talon, par lequel se transmet une partie importante des efforts verticaux, reste supporté par une zone relativement compressible, ce qui confère un certain confort à l'utilisateur. Le logement ainsi formé pour le talon assure un positionnement latéral de celui-ci qui peut être utile dans les mouvements de "rolling" correspondant à l'inclinaison transversale du pied. Autrement dit, le talon ainsi légèrement maintenu reste dans l'axe du pied, ce qui assure une bonne transmission des efforts.Thus, the heel, through which a significant portion of the vertical forces is transmitted, remains supported by a relatively compressible zone, which confers a certain comfort to the user. The housing thus formed for the heel ensures a lateral positioning thereof which can be useful in the "rolling" movements corresponding to the transverse inclination of the foot. In other words, the heel thus slightly maintained remains in the axis of the foot, which ensures a good transmission of efforts.

En pratique, la semelle du chausson ou de la botte peut être réalisée en deux matières plastiques différentes, obtenues par surmoulage ou assemblage/collage ou thermocompression. Ces matières plastiques peuvent être de duretés Shore différentes, ou bien préférablement des mousses dont les densités sont différentes ou variables, et donc inférieure dans les portions latérales de plus grande compressibilité. La semelle du chausson peut également incorporer un élément supplémentaire rajouté formant un insert dans son épaisseur.In practice, the sole of the boot or boot can be made of two different plastics obtained by overmolding or assembly / bonding or thermocompression. These plastics may be of different Shore hardnesses, or preferably foams whose densities are different or variable, and therefore lower in the side portions of greater compressibility. The sole of the liner may also incorporate an additional element added forming an insert in its thickness.

Cette semelle peut être par exemple surmoulée sur la partie tige du reste du chausson, ou bien encore être fabriquée indépendamment, et associée par collage à la partie basse du chausson, de façon traditionnelle.This sole can be for example overmolded on the stem part of the rest of the bootie, or alternatively be manufactured independently, and bonded to the lower part of the boot, in a traditional way.

Description sommaire des figuresBrief description of the figures

La manière de réaliser l'invention ainsi que les avantages qui en découlent ressortiront bien de la description du mode de réalisation qui suit à l'appui des figures annexées dans lesquelles :

  • La figure 1 est une vue en perspective sommaire d'une chaussure conforme à l'invention.
  • La figure 2 est une vue de dessous de la semelle du chausson interne de la chaussure de la figure 1.
  • La figure 3 est une vue en coupe transversale de la chaussure de la figure 1, montée sur une planche.
  • La figure 4 correspond à la coupe de la figure 3 dans laquelle le pied est incliné transversalement.
  • La figure 5 est une vue en coupe transversale partielle de la chaussure de la figuré 1, montrée au niveau du talon.
  • La figure 6 est une vue en coupe transversale d'une chaussure selon une variante de réalisation
The manner of carrying out the invention as well as the advantages which result therefrom will emerge clearly from the description of the embodiment which follows with reference to the appended figures in which:
  • The figure 1 is a brief perspective view of a shoe according to the invention.
  • The figure 2 is a bottom view of the sole of the inner bootie of the shoe of the figure 1 .
  • The figure 3 is a cross-sectional view of the shoe of the figure 1 , mounted on a board.
  • The figure 4 corresponds to the cut of the figure 3 wherein the foot is inclined transversely.
  • The figure 5 is a partial cross-sectional view of the shoe of FIG. 1, shown at the heel.
  • The figure 6 is a cross-sectional view of a shoe according to an embodiment variant

Manière de réaliser l'inventionWay of realizing the invention

Comme déjà dit, l'invention concerne une chaussure de surf, telle qu'illustrée à la figure 1. Une telle chaussure (1) comporte de façon essentielle une botte souple (2) dont la semelle (3) vient au contact de la planche soit directement, soit par l'intermédiaire de l'embase d'une fixation. Cette fixation assure un ancrage ferme et quasiment sans jeu de la semelle (3) sur la planche. Pour ce faire, la fixation coopère avec un ou plusieurs organes situés sous ou dans la semelle, sur un coté de cette dernière, voire sur une autre partie de la chaussure. Dans la forme illustrée, donnée à titre d'exemple, il peut s'agir d'une plaque métallique (4) s'étendant transversalement sous la semelle (3) de la chaussure, au niveau de la voûte plantaire.As already mentioned, the invention relates to a surf shoe, as illustrated in FIG. figure 1 . Such a shoe (1) essentially comprises a boot flexible (2) whose sole (3) comes into contact with the board either directly or through the base of a fastener. This attachment ensures a firm anchoring and almost without play of the sole (3) on the board. To do this, the attachment cooperates with one or more organs located under or in the sole, on one side of the latter, or even on another part of the shoe. In the illustrated form, given by way of example, it may be a metal plate (4) extending transversely under the sole (3) of the shoe, at the level of the arch.

Bien évidemment, de nombreuses autres formes de fixations peuvent être employées sans sortir du cadre de l'invention.Of course, many other forms of fasteners can be used without departing from the scope of the invention.

Ces fixations peuvent, dans une forme avantageuse mais qui n'est pas obligatoire, fonctionner selon un principe communément appelé "step'in", autorisant le chaussage automatique sans que l'utilisateur ait à actionner les moyens d'accrochage manuellement après avoir mis en place la chaussure de façon précise par rapport à la fixation.These bindings can, in an advantageous form but which is not mandatory, operate according to a principle commonly known as "step'in", allowing automatic donning without the user having to actuate the hooking means manually after putting in place the shoe precisely in relation to the binding.

La chaussure (1) illustrée à la figure 1 comporte à l'intérieur de la botte souple un chausson amovible (5) qui assure des fonctions de confort, en étant par exemple réalisé en un matériau isolant thermiquement et relativement doux au contact.The shoe (1) illustrated in figure 1 comprises inside the flexible boot a removable boot (5) which provides comfort functions, being for example made of a thermally insulating material and relatively soft to the contact.

Conformément à l'invention, ce chausson amovible (5) présente une semelle (6) possédant une configuration spécifique. Plus précisément, et comme illustré à la figure 2, cette semelle possède autour de son plan longitudinal médian (7) une zone (8) de plus faible compressibilité. Cette plus faible compressibilité s'apprécie au regard de la compressibilité des zones latérales (9, 10) situées de part et d'autre de cette zone (8). Ces zones latérales (9, 10) sont destinées à recevoir les appuis du pied, notamment dans la partie avant, et au niveau des phalanges des doigts latéraux.According to the invention, this removable boot (5) has a sole (6) having a specific configuration. More specifically, and as illustrated in figure 2 , this sole has around its median longitudinal plane (7) an area (8) of lower compressibility. This lower compressibility is appreciated in view of the compressibility of the lateral zones (9, 10) located on either side of this zone (8). These lateral zones (9, 10) are intended to receive the supports of the foot, especially in the front part, and at the level of the phalanges of the lateral fingers.

Les zones illustrées à la figure 2 sont données à titre d'exemple et ne correspondent pas à la seule forme de réalisation couverte par l'invention.The areas illustrated in figure 2 are given by way of example and do not correspond to the single embodiment covered by the invention.

Lorsque les différentes zones périphériques (9, 10) et centrales (8) sont réalisées en matériaux différents, avec des interfaces bien délimitées, la variation de compressibilité est relativement franche. Toutefois, cette variation de compressibilité sur la surface de la semelle peut être plus progressive, notamment lorsque la semelle est réalisée par assemblage de pièces en biseau, ou à partir de matériaux de modules différents, ou encore en procédant à une injection de charges supplémentaires au niveau de la zone centrale (8).When the different peripheral zones (9, 10) and central zones (8) are made of different materials, with well-defined interfaces, the variation in compressibility is relatively straightforward. However, this variation of compressibility on the surface of the soleplate may be more progressive, especially when the soleplate is made by assembling beveled parts, or from different module materials, or by performing an injection of additional charges at level of the central area (8).

Dans la forme illustrée à la figure 2, la partie avant de la zone centrale (8) moins compressible possède trois rainures transversales (11, 12, 13) facilitant la déformation de l'avant de cette zone (8) dans un plan vertical, passant par le plan longitudinal médian (7). Cette déformabilité s'avère utile pour suivre le déroulement de l'articulation du pied, notamment l'articulation métatarsophalangienne lors des mouvements de marche.In the form illustrated in figure 2 , the front part of the less compressible central zone (8) has three transverse grooves (11, 12, 13) facilitating the deformation of the front of this zone (8) in a vertical plane passing through the median longitudinal plane (7). ). This deformability is useful to follow the course of the foot joint, including the metatarsophalangeal joint during walking movements.

Comme illustré aux figures 3 et 4, le pied (20) repose sur la semelle (6) en portant à la fois sur les zones latérales (9, 10) relativement compressibles et sur la zone centrale (8) de compressibilité inférieure. Cette semelle (6) repose sur la semelle (3) de la botte extérieure qui repose elle-même sur la planche (15) directement comme dans la forme illustrée, ou par l'intermédiaire de l'embase d'une fixation dans d'autres formes non illustrées.As illustrated in Figures 3 and 4 , the foot (20) rests on the sole (6) bearing on both the relatively compressible side areas (9, 10) and the central area (8) of lower compressibility. This sole (6) rests on the sole (3) of the outer boot which rests itself on the board (15) directly as in the illustrated form, or via the base of a binding in other forms not illustrated.

Lorsque l'utilisateur exerce un effort du côté interne du pied, selon la flèche F de la figure 4, la zone latérale (10) a tendance à fortement se comprimer, alors que la zone centrale (8) se comprime nettement moins, la résistance exercée par cette zone centrale (8) assure le pivotement du pied selon la flèche P de la figure 4.When the user exerts a force on the internal side of the foot, according to the arrow F of the figure 4 , the lateral zone (10) tends to strongly compress, while the central zone (8) compresses much less, the resistance exerted by this central zone (8) ensures the pivoting of the foot according to the arrow P of the figure 4 .

Ce pivotement correspond au mouvement induit par l'inclinaison de la jambe du côté interne.This pivoting corresponds to the movement induced by the inclination of the leg on the inner side.

Selon une autre caractéristique de l'invention, la semelle (6) du chausson déformable comprend une zone (16) relativement compressible au niveau de l'aplomb du calcanéum. Cette zone compressible (16) est entourée au moins partiellement par des prolongements (17, 18) de la partie arrière de la zone centrale (8) plus compressible. Ces prolongements (17, 18) sont d'une compressibilité moindre que la zone (16) à l'aplomb du talon, de sorte qu'ils définissent un logement dans lequel peut s'inscrire le talon. Ce logement (19) est illustré à la figure 5.According to another characteristic of the invention, the sole (6) of the deformable liner comprises a zone (16) relatively compressible at the level of the calcaneal plumb. This compressible zone (16) is surrounded at least partially by extensions (17, 18) of the rear part of the more compressible central zone (8). These extensions (17, 18) are of less compressibility than the zone (16) above the heel, so that they define a housing in which the heel can be inserted. This housing (19) is illustrated at figure 5 .

Cette zone (16) à l'aplomb du talon se comprime lorsque les efforts sont exercés verticalement par l'utilisateur. L'inscription du talon dans le logement (19) empêche donc le talon de se décaler latéralement de façon trop importante et maintient donc le pied dans l'axe de la chaussure, malgré les légers déplacements qu'autorise la chaussure souple.This area (16) above the heel is compressed when the forces are exerted vertically by the user. The inscription of the heel in the housing (19) thus prevents the heel from shifting too far laterally and thus keeps the foot in the axis of the shoe, despite the slight movements that allows the soft shoe.

Dans la forme illustrée à la figure 2, la zone (16) à l'aplomb du talon est réalisée dans la même matière que les zones latérales (9, 10) situées de part et d'autre du plan longitudinal médian (7). Cette zone à l'aplomb du talon est directement reliée aux zones latérales (9, 10). Toutefois, dans des variantes non illustrées, la zone à l'aplomb du talon pourrait être totalement circonscrite par une zone de plus forte rigidité, définissant ainsi un logement quasi circulaire.In the form illustrated in figure 2 , the zone (16) above the heel is made of the same material as the lateral zones (9, 10) located on either side of the median longitudinal plane (7). This area directly above the heel is directly connected to the lateral zones (9, 10). However, in non-illustrated variants, the area above the heel could be totally circumscribed by an area of greater rigidity, thus defining a quasi-circular housing.

Dans d'autres variantes non illustrées, la zone centrale de plus faible compressibilité peut être interrompue entre la partie avant et la partie arrière du pied, de sorte que la zone de plus faible compressibilité entourant l'aplomb du talon est indépendante de la portion de plus faible compressibilité située à l'avant de la semelle.In other variants not shown, the central area of lower compressibility can be interrupted between the front part and the rear part of the foot, so that the area of lower compressibility surrounding the plumb heel is independent of the portion of lower compressibility located at the front of the sole.

Comme déjà évoqué, dans une autre variante illustrée à la figure 6, c'est la partie haute (22) de la semelle (23) de la botte (2) qui présente les propriétés caractéristiques de l'invention. Dans ce cas, c'est une des zones latérales (27,28) de cette partie haute (22) de la semelle de la botte qui se comprime sous l'effet de l'inclinaison de la jambe. Le pied pivote alors au dessus de l'arête centrale (29)de la semelle de la botte. Dans la forme illustrée, cette arête centrale fait partie d'un composant (22) qui comporte également les zones compressibles (27,28), mais l'invention couvre également la variante non illustrée dans laquelle l'arête centrale est constituée par une nervure proéminente formée dans la semelle de marche (24).As already mentioned, in another variant illustrated in figure 6 it is the upper part (22) of the sole (23) of the boot (2) which has the characteristic properties of the invention. In this case, it is one of the lateral zones (27,28) of this upper part (22) of the sole of the boot which is compressed under the effect of the inclination of the leg. The foot then pivots above the central ridge (29) of the sole of the boot. In the form shown, this central edge is part of a component (22) which also comprises the compressible areas (27,28), but the invention also covers the non-illustrated variant in which the central edge is constituted by a rib protruding formed in the outsole (24).

Il ressort de ce qui précède que la chaussure de surf conforme à l'invention présente de multiples avantages, et notamment :

  • ■ la possibilité d'obtenir un maintien ferme et un ancrage efficace de la semelle de la chaussure par rapport à la planche, tout en autorisant un mouvement de "rolling" et ce sans fragiliser ou compliquer la structure de la semelle rigide de la chaussure ;
  • ■ la rigidité supplémentaire nécessaire pour faciliter les mouvements de "rolling" ne perturbe pas le déroulé du pied lors de la marche ;
  • ■ en changeant de chausson, il est possible de modifier les propriétés de compressibilité facilitant le "rolling" selon les souhaits de l'utilisateur, il est d'ailleurs possible d'utiliser la même chaussure en remplaçant le chausson par un chausson neutre sans rapport avec l'invention.
It follows from the foregoing that the surf shoe according to the invention has many advantages, and in particular:
  • ■ the possibility of a firm support and effective anchoring of the sole of the shoe relative to the board, while allowing a movement of "rolling" and without weakening or complicating the structure of the rigid sole of the shoe;
  • ■ the additional rigidity necessary to facilitate the movements of "rolling" does not disturb the unwinding of the foot when walking;
  • ■ by changing slipper, it is possible to modify the compressibility properties facilitating the "rolling" according to the wishes of the user, it is also possible to use the same shoe by replacing the slipper by an unrelated neutral slipper with the invention.

Claims (7)

  1. Snowboard boot (1), comprising a supple outer boot (2) inside which a removable liner (5) is installed, the sole (6) of the liner (5) having a region (8) with a lower compressibility than the other regions of the said sole, characterized in that the said lower compressibility region is located in the central part of the sole, and is bordered by higher compressibility lateral zones (9, 10) extending along the whole periphery of the sole, in order to facilitate the pivoting movements of the boot substantially about its longitudinal axis and with regard to the plane of the sole (3) of the boot.
  2. Snowboard boot (1), comprising a supple outer boot (2) inside which a removable liner (5) is installed, one component (22) of the sole (23) of the outer boot (2) having, in its upper portion, a region (29) with lower compressibility than the other regions of the said component, characterized in that the said lower compressibility region is located in the central part of the said component, and is bordered by higher compressibility lateral zones (27, 28) extending along the whole periphery of the said component, in order to facilitate the pivoting movements of the foot substantially about its longitudinal axis, and with regard to the plane of the sole of the boot.
  3. Boot according to either of Claims 1 and 2, characterized in that the region (8) with lower compressibility has, at least in its front portion, zones of lower hardness (11-13), extending transversally, in order to favour the lifting of the foot while walking.
  4. Boot according to Claim 3, characterized in that the lower hardness zones are formed by transverse grooves (11-13).
  5. Boot according to either of Claims 1 and 2, characterized in that in the heel zone, the lower compressibility region of the sole of the liner or of the outer boot is divided into two branches (17, 18) extending on either side of the stand (16) of the heel.
  6. Boot according to either of Claims 1 and 2, characterized in that the sole (6) of the liner or of the outer boot is made from two different plastics, obtained by over-moulding, assembly/bonding or thermoforming.
  7. Boot according to Claim 1, characterized in that the sole of the liner (6) is over-moulded or assembled on the leg portion of the rest of the liner.
EP02356256A 2002-01-29 2002-12-10 Snowboard boot Expired - Fee Related EP1330965B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0201014 2002-01-29
FR0201014A FR2835155B1 (en) 2002-01-29 2002-01-29 FOOTWEAR FOR SNOW SURFING

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EP1330965A1 EP1330965A1 (en) 2003-07-30
EP1330965B1 true EP1330965B1 (en) 2009-02-18

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0407584D0 (en) * 2004-04-05 2004-05-05 Collinson Marc G Sock-like footwear with padded sole and method for making the same
US9833038B2 (en) * 2015-03-19 2017-12-05 Nike, Inc. Multi-density midsole and plate system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0743023A1 (en) * 1995-05-18 1996-11-20 Salomon S.A. Flexible boot for snow-surfing

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Publication number Priority date Publication date Assignee Title
FR2033181A1 (en) * 1969-02-27 1970-12-04 Eie Nils
US4074446A (en) 1976-06-18 1978-02-21 Joel Howard Eisenberg Ski boot
US4144659A (en) 1978-02-06 1979-03-20 Eisenberg Joel Howard Ski boot
US4372062A (en) * 1980-12-29 1983-02-08 Joel H. Eisenberg Ski boot
US5906058A (en) 1993-07-19 1999-05-25 K-2 Corporation Snowboard boot having a rigid strut
JP3358941B2 (en) * 1996-06-19 2002-12-24 株式会社シマノ Cleat position structure of snowboard boots
US6202326B1 (en) * 1996-07-18 2001-03-20 Róttefella AS Sole for a cross-country, trail or telemark ski-boot
US5638613A (en) * 1996-09-24 1997-06-17 J. H. Williams Inventions, Inc. Weighted flexible shoe insole
FR2810206B1 (en) 2000-06-19 2002-07-19 Rossignol Sa FOOTWEAR FOR SNOW SURFING

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0743023A1 (en) * 1995-05-18 1996-11-20 Salomon S.A. Flexible boot for snow-surfing

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DE60231188D1 (en) 2009-04-02
EP1330965A1 (en) 2003-07-30
FR2835155B1 (en) 2004-04-30
FR2835155A1 (en) 2003-08-01

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