EP0968665A1 - Ski boot - Google Patents

Ski boot Download PDF

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Publication number
EP0968665A1
EP0968665A1 EP99810509A EP99810509A EP0968665A1 EP 0968665 A1 EP0968665 A1 EP 0968665A1 EP 99810509 A EP99810509 A EP 99810509A EP 99810509 A EP99810509 A EP 99810509A EP 0968665 A1 EP0968665 A1 EP 0968665A1
Authority
EP
European Patent Office
Prior art keywords
collar
blade
shoe according
buckling
yielding
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.)
Granted
Application number
EP99810509A
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German (de)
French (fr)
Other versions
EP0968665B1 (en
Inventor
Jean Bauvois
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.)
Lange International SA
Original Assignee
Lange International SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lange International SA filed Critical Lange International SA
Publication of EP0968665A1 publication Critical patent/EP0968665A1/en
Application granted granted Critical
Publication of EP0968665B1 publication Critical patent/EP0968665B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00Footwear for sporting purposes
    • A43B5/04Ski or like boots
    • A43B5/0427Ski or like boots characterised by type or construction details
    • A43B5/0452Adjustment of the forward inclination of the boot leg
    • A43B5/0454Adjustment of the forward inclination of the boot leg including flex control; Dampening means
    • A43B5/0456Adjustment of the forward inclination of the boot leg including flex control; Dampening means with the actuator being disposed at the rear side of the boot
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00Footwear for sporting purposes
    • A43B5/04Ski or like boots
    • A43B5/0427Ski or like boots characterised by type or construction details
    • A43B5/0452Adjustment of the forward inclination of the boot leg
    • A43B5/0454Adjustment of the forward inclination of the boot leg including flex control; Dampening means
    • A43B5/0464Adjustment of the forward inclination of the boot leg including flex control; Dampening means with exchangeable parts

Definitions

  • the present invention relates to a ski boot comprising a first part constituted essentially a sole and an enveloping upper the foot and the malleolar region and a second part consisting of a collar articulated with respect to the rod so as to allow movement of the front collar backwards and vice versa, and means for retaining the collar opposing the tilting of the collar towards the rear but yielding when the effort tending to make tilting the collar exceeds a determined value.
  • the purpose of such a construction is to protect the knees of the skier, more specifically the cruciate ligament anterior, when excessive forward force is exerted on the tibia relative to the femur. He was observed that ruptures of the anterior cruciate ligament due to excessive effort of this type have increased in a very large extent while other people's injuries types, especially leg fractures and the ankle have decreased considerably due to progress made in security fasteners. A excessive effort on the anterior cruciate ligament produced in particular during a hump passage, whether either by jumping, at the reception, or by descending quickly the bump.
  • the object of the present invention is to provide means restraint satisfying the same conditions of triggering from a determined effort, but from much simpler construction than the means of restraint known from the prior art.
  • the shoe according to the invention is characterized in that that the retaining means consist of a part working in compression and yielding by buckling.
  • the retaining piece may be a salvage piece shaped such as an elastic flexible blade or a part without shape recovery, such as a blade or a bar whose buckling causes it to fold beyond yield strength or a tubular piece sagging by crushing beyond a certain axial compression, such sag can be assimilated to a buckling.
  • this could be connected to one of the parts of the shoe, preferably the collar, by a clevis hinged on the collar, in such a way that it can occupy either a restraint position or a position separated from the other part of the shoe authorizing the straightening of the collar, i.e. a rest or walking position.
  • Figure 1 shows the back of a ski boot with, torn away, the retainer according to a first mode of execution.
  • Figure 2 is a similar view showing a restraint according to a second mode of execution.
  • Figure 3 is a side view of the device retained according to this second embodiment.
  • Figure 4 is an axial sectional view of the device shown in Figure 3.
  • Figure 5 is again a view of the rear of a ski boot fitted with a retainer according to a third embodiment.
  • Figure 6 shows the retainer of the Figure 5 after subsidence.
  • Figure 1 partially shows a shoe ski which we recognize the hull 1 comprising a rod 2 and a sole 3 and a lower leg collar 4 articulated on the rod 2 at two opposite points 5 in the malleolar region.
  • the collar 4 is prevented from tilting backwards by a blade 6 whose ends are retained in housings formed in spans of rod 2 and collar 4.
  • the blade 6 is for example made of spring steel.
  • blade 6 When a force is exerted on the collar 4 in the direction of tilting backwards, blade 6 is subjected to axial compression. If this compression exceeds a certain value, blade 6 yields by buckling, as shown in dashed lines 6 '. According to the elasticity of the blade 6, it is capable or not recover its initial shape after flaming. In the case where the blade 6 does not recover its initial shape, the user will replace the blade with a new blade.
  • the embodiment shown in Figures 2 to 4 differs from the first embodiment in that the blade 6 is mounted in a yoke 7 rotatably mounted on the collar 4 around an axis 8.
  • the lower end of the blade 6 In use position the lower end of the blade 6 is engaged in a housing 9 of rod 2 and functions as the blade of Figure 1. Thanks to the joint 8, the end of the blade 6 can however be moved away from the rod 2, as shown in dashed lines 6 ". In this position, the blade 6 is ineffective and the collar 4 can straighten up freely.
  • the retaining device yielding by buckling consists of a tubular piece 10 of truncated or barrel-shaped ovoid shape.
  • the part 10 can be made of metal or of material synthetic. It will of course be replaced after each crush.
  • the tubular part could of course be simply cylindrical or of any other shape appropriate.
  • the resistance of parts yielding by buckling may be adapted to the user morphology.
  • the solution according to the invention is of course also applicable to a ski boot whose collar is hinged from the back to the back of the shell, for example as described in the requests for Patent EP 0 594 554, EP 0 619 958, EP 0 470 384 or WO 94/21 149.

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

Abstract

The ski boot comprises a collar (4) articulated on a body (1) and a collar retainer (6) connected opposite to its tipping. The retainer gives way when the collar tipping force passes beyond a specified value. The retainer is constituted from a part which works in compression but gives way on bending.

Description

La présente invention a pour objet une chaussure de ski comprenant une première partie constituée essentiellement d'une semelle et d'une tige enveloppant le pied et la région malléolaire et une seconde partie constituée d'un collier articulé par rapport à la tige de manière à permettre un mouvement du collier d'avant en arrière et inversement, et des moyens de retenue du collier s'opposant au basculement du collier vers l'arrière, mais cédant lorsque l'effort tendant à faire basculer le collier dépasse une valeur déterminée.The present invention relates to a ski boot comprising a first part constituted essentially a sole and an enveloping upper the foot and the malleolar region and a second part consisting of a collar articulated with respect to the rod so as to allow movement of the front collar backwards and vice versa, and means for retaining the collar opposing the tilting of the collar towards the rear but yielding when the effort tending to make tilting the collar exceeds a determined value.

Une telle construction a pour but de protéger le genoux du skieur, plus précisément le ligament croisé antérieur, lorsqu'une force excessive vers l'avant est exercée sur le tibia relativement au fémur. Il a été observé que les ruptures du ligament croisé antérieur dues à un effort excessif de ce type ont augmenté dans une très grande mesure alors que les blessures d'autres types, en particulier les fractures de la jambe et de la cheville ont considérablement diminué en raison des progrès réalisés dans les fixations de sécurité. Un effort excessif sur le ligament croisé antérieur se produit notamment lors d'un passage de bosse, que ce soit en sautant, à la réception, ou en redescendant rapidement la bosse.The purpose of such a construction is to protect the knees of the skier, more specifically the cruciate ligament anterior, when excessive forward force is exerted on the tibia relative to the femur. He was observed that ruptures of the anterior cruciate ligament due to excessive effort of this type have increased in a very large extent while other people's injuries types, especially leg fractures and the ankle have decreased considerably due to progress made in security fasteners. A excessive effort on the anterior cruciate ligament produced in particular during a hump passage, whether either by jumping, at the reception, or by descending quickly the bump.

Du brevet US 5 107 608 on connaít déjà une chaussure équipée d'un dispositif de retenue à déclenchement destiné à protéger le ligament croisé antérieur en cas d'effort excessif. Ce dispositif comprend un verrou en forme de levier coudé du premier genre retenu par un ressort. En cas d'effort excessif sur le collier, le ressort ne parvient plus à retenir le verrou, qui bascule et libère le collier. Un tel dispositif présente l'inconvénient de ne pouvoir être remis en position initiale par le skieur. Il est en outre relativement encombrant.From US patent 5,107,608 we already know a shoe fitted with a trigger restraint intended to protect the anterior cruciate ligament in case of excessive effort. This device includes a lock first kind of angled lever retained by a spring. In case of excessive effort on the collar, the spring can no longer hold the lock, which tilts and releases the necklace. Such a device has the drawback of not being able to be initial position by the skier. It is further relatively bulky.

De la demande internationale WO 97/22 271, on connaít en outre une chaussure de ski également équipée d'un dispositif de retenue déclenchant en cas d'effort excessif sur le collier, vers l'arrière. Ce dispositif est constitué d'une genouillère à ressort, dont l'articulation présente un jeu autorisant un certain déplacement longitudinal de l'axe d'articulation dans l'élément inférieur de la genouillère, et dont les éléments viennent en butée, en un point situé à une certaine distance de l'axe d'articulation, au bout d'une course inférieure au déplacement possible de l'axe. Les éléments de la genouillère étant arrivés en butée et le ressort de la genouillère ayant déjà subit une certaine compression, si l'effort sur le collier continue de croítre il se produit un pivotement des éléments de la genouillère autour de leur point d'appui et la genouillère déclenche si son articulation dépasse l'alignement des points d'articulation de la genouillère à la tige et au collier. Ce dispositif a l'avantage de pouvoir être ramené en position initiale par le skieur, mais il est relativement complexe et encombrant. From international application WO 97/22 271, we know in addition a ski boot also equipped with a restraint system triggering in the event of effort excessive on the collar, backwards. These measures consists of a spring toggle, of which the joint presents a clearance allowing a certain longitudinal displacement of the articulation axis in the lower element of the kneepad, and whose elements come into abutment, at a point located at a certain distance from the hinge pin, at the end of a stroke less than the possible displacement of the axis. The elements of the kneepad having arrived in stop and the spring of the toggle having already undergone some compression, if the effort on the collar continues to grow there is a pivoting of knee brace elements around their fulcrum and the kneepad triggers if its joint exceeds the alignment of the articulation points of the knee protector on stem and collar. This device has the advantage of being able to be brought back to the initial position by the skier, but it's relatively complex and bulky.

La présente invention a pour but de réaliser des moyens de retenue satisfaisant les mêmes conditions de déclenchement à partir d'un effort déterminé, mais de construction beaucoup plus simple que les moyens de retenue connus de l'art antérieur.The object of the present invention is to provide means restraint satisfying the same conditions of triggering from a determined effort, but from much simpler construction than the means of restraint known from the prior art.

La chaussure selon l'invention est caractérisée en ce que les moyens de retenues sont constitués d'une pièce travaillant en compression et cédant par flambage.The shoe according to the invention is characterized in that that the retaining means consist of a part working in compression and yielding by buckling.

Dans la demande de brevet EP 0 596 281 il a été proposé de remplacer dans une chaussure de ski de fond, un ressort de poussée par récupération d'énergie par une lame travaillant en flambage, mais cette lame fléchit simplement comme un ressort pour assurer la même fonction que le ressort, c'est-à-dire réduire l'effort nécessaire du skieur pour ramener son ski lors de la pratique du pas de patinage (skating).In patent application EP 0 596 281 it was proposed to replace in a cross-country ski boot, a thrust spring by energy recovery by a blade working in buckling, but this blade flexes simply as a spring to ensure the same function as the spring, i.e. reduce the effort necessary for the skier to bring back his ski during the skating step practice.

La pièce de retenue peut être une pièce à récupération de forme telle qu'une lame flexible élastique ou une pièce sans récupération de forme, telle qu'une lame ou une barre dont le flambage provoque la pliure au-delà de la limite d'élasticité ou une pièce tubulaire s'affaissant par écrasement au-delà d'une certaine compression axiale, un tel affaissement pouvant être assimilé à un flambage.The retaining piece may be a salvage piece shaped such as an elastic flexible blade or a part without shape recovery, such as a blade or a bar whose buckling causes it to fold beyond yield strength or a tubular piece sagging by crushing beyond a certain axial compression, such sag can be assimilated to a buckling.

Dans le cas d'une lame flexible à récupération de forme, celle-ci pourrait être reliée à l'une des parties de la chaussure, de préférence le collier, par une chape articulée sur le collier, de telle manière qu'elle peut occuper soit une position de retenue, soit une position écartée de l'autre partie de la chaussure autorisant le redressement du collier, c'est-à-dire une position de repos ou de marche.In the case of a flexible blade with recovery of shape, this could be connected to one of the parts of the shoe, preferably the collar, by a clevis hinged on the collar, in such a way that it can occupy either a restraint position or a position separated from the other part of the shoe authorizing the straightening of the collar, i.e. a rest or walking position.

Le dessin annexé représente, à titre d'exemple, trois modes d'exécution de l'invention.The accompanying drawing shows, by way of example, three modes of carrying out the invention.

La figure 1 représente l'arrière d'une chaussure de ski avec, en arraché, le dispositif de retenue selon un premier mode d'exécution.Figure 1 shows the back of a ski boot with, torn away, the retainer according to a first mode of execution.

La figure 2 est une vue analogue représentant un dispositif de retenue selon un deuxième mode d'exécution.Figure 2 is a similar view showing a restraint according to a second mode of execution.

La figure 3 est une vue de côté du dispositif de retenue selon ce deuxième mode d'exécution.Figure 3 is a side view of the device retained according to this second embodiment.

La figure 4 est une vue en coupe axiale du dispositif représenté à la figure 3.Figure 4 is an axial sectional view of the device shown in Figure 3.

La figure 5 est à nouveau une vue de l'arrière d'une chaussure de ski équipée d'un dispositif de retenue selon un troisième mode d'exécution.Figure 5 is again a view of the rear of a ski boot fitted with a retainer according to a third embodiment.

La figure 6 représente le dispositif de retenue de la figure 5 après affaissement.Figure 6 shows the retainer of the Figure 5 after subsidence.

La figure 1 représente partiellement une chaussure de ski dont on reconnaít la coque 1 comprenant une tige 2 et une semelle 3 et un collier de bas de jambe 4 articulé sur la tige 2 en deux points opposés 5 dans la région malléolaire.Figure 1 partially shows a shoe ski which we recognize the hull 1 comprising a rod 2 and a sole 3 and a lower leg collar 4 articulated on the rod 2 at two opposite points 5 in the malleolar region.

Le collier 4 est empêché de basculer vers l'arrière par une lame 6 dont les extrémités sont retenues dans des logements formés dans des portées de la tige 2 et du collier 4. La lame 6 est par exemple en acier ressort. Lorsqu'un effort est exercé sur le collier 4 dans le sens d'un basculement vers l'arrière, la lame 6 est soumise à une compression axiale. Si cette compression dépasse une certaine valeur, la lame 6 cède par flambage, comme représenté en traits mixtes 6'. Selon l'élasticité de la lame 6, celle-ci est capable ou non de récupérer sa forme initiale après flambage. Dans le cas où la lame 6 ne récupère pas sa forme initiale, l'utilisateur remplacera la lame par une nouvelle lame.The collar 4 is prevented from tilting backwards by a blade 6 whose ends are retained in housings formed in spans of rod 2 and collar 4. The blade 6 is for example made of spring steel. When a force is exerted on the collar 4 in the direction of tilting backwards, blade 6 is subjected to axial compression. If this compression exceeds a certain value, blade 6 yields by buckling, as shown in dashed lines 6 '. According to the elasticity of the blade 6, it is capable or not recover its initial shape after flaming. In the case where the blade 6 does not recover its initial shape, the user will replace the blade with a new blade.

Le mode d'exécution représenté aux figures 2 à 4 diffère du premier mode d'exécution en ce que la lame 6 est montée dans une chape 7 montée rotativement sur le collier 4 autour d'un axe 8. En position d'utilisation l'extrémité inférieure de la lame 6 est engagée dans un logement 9 de la tige 2 et fonctionne comme la lame de la figure 1. Grâce à l'articulation 8, l'extrémité de la lame 6 peut toutefois être écartée de la tige 2, comme représenté en traits mixtes 6". Dans cette position, la lame 6 est inefficace et le collier 4 peut se redresser librement.The embodiment shown in Figures 2 to 4 differs from the first embodiment in that the blade 6 is mounted in a yoke 7 rotatably mounted on the collar 4 around an axis 8. In use position the lower end of the blade 6 is engaged in a housing 9 of rod 2 and functions as the blade of Figure 1. Thanks to the joint 8, the end of the blade 6 can however be moved away from the rod 2, as shown in dashed lines 6 ". In this position, the blade 6 is ineffective and the collar 4 can straighten up freely.

Selon le troisième mode d'exécution représenté aux figures 5 et 6, le dispositif de retenue cédant par flambage est constitué d'une pièce tubulaire 10 de forme ovoïde tronquée ou en tonneau. Lorsque la compression de la pièce 10 dépasse une certaine valeur, celle-ci cède et s'affaisse comme représenté à la figure 10. La pièce 10 peut être en métal ou en matière synthétique. Elle sera bien entendu remplacée après chaque écrasement.According to the third embodiment shown in Figures 5 and 6, the retaining device yielding by buckling consists of a tubular piece 10 of truncated or barrel-shaped ovoid shape. When the compression of part 10 exceeds a certain value, it gives way and collapses as shown in the Figure 10. The part 10 can be made of metal or of material synthetic. It will of course be replaced after each crush.

La pièce tubulaire pourrait bien entendu être simplement cylindrique ou de toute autre forme appropriée.The tubular part could of course be simply cylindrical or of any other shape appropriate.

Dans tous les modes d'exécution la résistance des pièces cédant par flambage pourra être adaptée à la morphologie de l'utilisateur.In all modes of execution the resistance of parts yielding by buckling may be adapted to the user morphology.

La solution selon l'invention est bien entendu également applicable à une chaussure de ski dont le collier est articulé par l'arrière à l'arrière de la coque, par exemple comme décrit dans les demandes de brevet EP 0 594 554, EP 0 619 958, EP 0 470 384 ou WO 94/21 149.The solution according to the invention is of course also applicable to a ski boot whose collar is hinged from the back to the back of the shell, for example as described in the requests for Patent EP 0 594 554, EP 0 619 958, EP 0 470 384 or WO 94/21 149.

Claims (6)

Chaussure de ski comprenant une première partie (1) constituée essentiellement d'une semelle (3) et d'une tige (2) enveloppant le pied et la région malléolaire et une seconde partie constituée d'un collier de bas de jambe (4) articulé par rapport à la tige de manière à permettre un mouvement du collier d'avant en arrière et inversement et des moyens de retenue (6; 10) du collier s'opposant au basculement du collier vers l'arrière, mais cédant lorsque l'effort tendant à faire basculer le collier dépasse une valeur déterminée, caractérisée en ce que les moyens de retenue sont constitués d'une pièce (6; 10) travaillant en compression et cédant par flambage.Ski boot comprising a first part (1) essentially consisting of a sole (3) and a stem (2) enveloping the foot and the malleolar region and a second part consisting of a bottom collar leg (4) articulated with respect to the rod so as to allow movement of the collar back and forth and conversely and retaining means (6; 10) of the collar opposing the tilting of the collar backwards, but yielding when the effort tending to tip over the collar exceeds a determined value, characterized in that the retaining means consist of a part (6; 10) working in compression and yielding by buckling. Chaussure selon la revendication 1, caractérisée en ce que la pièce cédant par flambage est une lame (6).Shoe according to claim 1, characterized in that the part yielding by buckling is a blade (6). Chaussure selon la revendication 2, caractérisée en ce que la lame (6) est articulée sur le collier.Shoe according to claim 2, characterized in that the blade (6) is articulated on the collar. Chaussure selon la revendication 3, caractérisée en ce que la lame (6) est fixée dans une chape (7) elle-même montée rotativement sur le collier.Shoe according to claim 3, characterized in that the blade (6) is fixed in a yoke (7) itself rotatably mounted on the collar. Chaussure selon la revendication 1, caractérisée en ce que la pièce cédant par flambage est une pièce tubulaire (10). Shoe according to claim 1, characterized in what the buckling part is a part tubular (10). Chaussure selon la revendication 5, caractérisée en ce que ladite pièce tubulaire (10) est de forme ovoïde tronquée ou en tonneau.Shoe according to claim 5, characterized in that said tubular part (10) is ovoid in shape truncated or barrel-shaped.
EP19990810509 1998-07-03 1999-06-10 Ski boot Expired - Lifetime EP0968665B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH01434/98A CH692122A5 (en) 1998-07-03 1998-07-03 ski boot.
CH143498 1998-07-03

Publications (2)

Publication Number Publication Date
EP0968665A1 true EP0968665A1 (en) 2000-01-05
EP0968665B1 EP0968665B1 (en) 2002-08-14

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EP19990810509 Expired - Lifetime EP0968665B1 (en) 1998-07-03 1999-06-10 Ski boot

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CH (1) CH692122A5 (en)
DE (1) DE69902506T2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT525999B1 (en) * 2022-04-07 2023-10-15 Atomic Austria Gmbh Sports shoe with joint connection

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5107608A (en) 1990-10-02 1992-04-28 Arthur Kreitenberg Safety releasing ski boot
EP0486940A1 (en) * 1990-11-22 1992-05-27 Salomon S.A. Alpine ski boot
EP0596281A1 (en) 1992-11-06 1994-05-11 Salomon S.A. Shoe for the practice of winter sports
WO1997022271A1 (en) 1995-12-19 1997-06-26 Lange International S.A. Injury preventing ski boot

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2665618B1 (en) 1990-08-07 1993-06-25 Salomon Sa ALPINE SKI BOOT WITH REAR ENTRY WITH SOLIDARITY BINDING ELEMENT BUT SPACED FROM THE ARTICULATED ROD.
AT400284B (en) 1992-10-23 1995-11-27 Dynafit Skischuh Gmbh SKI BOOT
FR2702935B1 (en) 1993-03-24 1995-06-09 Salomon Sa SLIDING SPORTS SHOE.
IT1266413B1 (en) 1993-04-09 1996-12-30 Nordica Spa STRUCTURE OF SPORTS SHOES, ESPECIALLY FOR SKIING OR SKATING

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5107608A (en) 1990-10-02 1992-04-28 Arthur Kreitenberg Safety releasing ski boot
EP0486940A1 (en) * 1990-11-22 1992-05-27 Salomon S.A. Alpine ski boot
EP0596281A1 (en) 1992-11-06 1994-05-11 Salomon S.A. Shoe for the practice of winter sports
WO1997022271A1 (en) 1995-12-19 1997-06-26 Lange International S.A. Injury preventing ski boot

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Publication number Publication date
EP0968665B1 (en) 2002-08-14
CH692122A5 (en) 2002-02-28
DE69902506T2 (en) 2003-04-17
DE69902506D1 (en) 2002-09-19

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