EP1110466B1 - Innerboot for skiboots - Google Patents

Innerboot for skiboots Download PDF

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Publication number
EP1110466B1
EP1110466B1 EP20000810950 EP00810950A EP1110466B1 EP 1110466 B1 EP1110466 B1 EP 1110466B1 EP 20000810950 EP20000810950 EP 20000810950 EP 00810950 A EP00810950 A EP 00810950A EP 1110466 B1 EP1110466 B1 EP 1110466B1
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EP
European Patent Office
Prior art keywords
stiffener
innerboot
boot
foam
arms
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP20000810950
Other languages
German (de)
French (fr)
Other versions
EP1110466A2 (en
EP1110466A3 (en
Inventor
Piero Orso
Gilles Marmonier
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
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Filing date
Publication date
Application filed by Lange International SA filed Critical Lange International SA
Publication of EP1110466A2 publication Critical patent/EP1110466A2/en
Publication of EP1110466A3 publication Critical patent/EP1110466A3/en
Application granted granted Critical
Publication of EP1110466B1 publication Critical patent/EP1110466B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

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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)

Description

L'invention a pour objet un chausson de confort essentiellement en mousse et équipé d'une armature extérieure pour chaussure de sport telle que chaussure de ski ou chaussure de patin.The invention relates to a comfort slipper essentially foam and equipped with an outer frame for sports shoe such as ski boot or shoe skate.

Un tel chausson est connu de la demande de brevet WO 96/13183 et du brevet EP 0 657 112 . Dans le document WO 96/13183 la mousse du chausson est thermoformable et il est prévu de la thermoformer sur une forme. Le matériau utilisé tel que PE et PVA pourrait être thermoformé sur le pied. Le thermoformage d'un chausson de confort in situ sur le pied de l'utilisateur est d'ailleurs connu depuis de nombreuses années et il est décrit notamment dans les documents tels que EP 0 004 829 et JP 246 876 .Such a shoe is known from the patent application WO 96/13183 and the patent EP 0 657 112 . In the document WO 96/13183 the foam of the liner is thermoformable and it is expected to thermoform on a form. The material used such as PE and PVA could be thermoformed on the foot. Thermoforming a comfort slipper in situ on the foot of the user is also known for many years and is described in particular in documents such as EP 0 004 829 and JP 246,876 .

Le document JP 03 234 201 A divulgue les caractéristiques du préambule de la revendication 1.The document JP 03 234 201 A discloses the features of the preamble of claim 1.

On constate que si de nombreux inventeurs se sont préoccupés d'améliorer le thermoformage in situ de la mousse constituant le chausson, l'armature a été complètement laissée de côté. Ceci est probablement dû au fait que l'on a toujours clairement distingué et séparé les éléments de confort et la technique, la mousse du chausson appartenant au confort alors que son armature est un élément technique.It is noted that while many inventors have been concerned with improving the in situ thermoforming of the foam constituting the slipper, the frame has been completely left out. This is probably due to the fact that one has always clearly distinguished and separated the comfort elements and the technique, the foam of the slipper belonging to comfort while its frame is a technical element.

Quittant ce mode de pensée, l'invention a pour but d'améliorer l'adaptation d'un chausson de confort muni d'une armature à la morphologie du pied de l'utilisateur.Leaving this way of thinking, the invention aims to improve the adaptation of a comfort slipper provided with a frame to the morphology of the foot of the user.

A cet effet, le chausson de confort selon l'invention est caractérisé par les caractéristiques de la revendication 1.For this purpose, the comfort boot according to the invention is characterized by the features of claim 1.

L'invention a également pour objet un procédé de mise en forme d'un tel chausson de confort avec les caractéristiques de la revendication 8.The invention also relates to a method of shaping such a comfort slipper with the features of claim 8.

La lecture du document FR 2 739 760 montre à quel point l'idée de thermoformer une armature in situ était éloignée de l'esprit des inventeurs. Il est dit en effet dans ce document que l'on s'est aperçu de façon non évidente à priori que le chauffage direct de la garniture, c'est-à-dire le chausson, disposée à l'intérieur de la chaussure ne risquait pas d'endommager ni de ramollir la tige externe de cette dernière. L'homme du métier était donc amené à craindre que le chauffage du chausson ne ramollisse également son armature.Reading the document FR 2,739,760 shows how far the idea of thermoforming an in situ frame was from the mind of the inventors. It is said in fact in this document that it was found in a manner not obvious a priori that the direct heating of the lining, that is to say the liner, disposed inside the shoe would not risk not damage or soften the external stem of the latter. The skilled person was therefore led to fear that the heating of the liner also soften his frame.

L'invention a également pour objet de définir un type d'armature dont la forme est particulièrement bien adaptée au renforcement d'un chausson, surtout si cette armature est destinée à être thermoformée in situ.Another object of the invention is to define a type of reinforcement whose shape is particularly well suitable for strengthening a slipper, especially if this frame is intended to be thermoformed in situ.

Le dessin annexé représente, à titre d'exemple, un mode d'exécution de l'invention.The appended drawing represents, by way of example, an embodiment of the invention.

La figure 1 représente un chausson muni de son armature.The figure 1 represents a slipper with its frame.

La figure 2 représente l'armature seule.The figure 2 represents the frame alone.

Le chausson représenté à la figure 1 comprend une tige 1 constituée, de manière connue, d'un matériau souple revêtu d'une couche de mousse synthétique thermoformable, par exemple une mousse thermoplastique à cellules fermées telle que PE-tBDL (polyéthylène linéaire) ou EVA (éthylène acétate de vinyle), c'est-à-dire un polyéthylène à basse densité et présentant une température de ramollissement VICAT (norme NF T 51-021) relativement basse. Intérieurement, la mousse est revêtue d'une couche de Nylon (marque déposée). Le chausson est muni d'une languette 2 et d'une armature 3 également en matériau thermoformable présentant une température de ramollissement relativement basse et dans tous les cas inférieure à 100°C sous charge de 1kg. Ce matériau est de préférence un polyéthylène à basse densité tel que PE-tBDL présentant une température de ramollissement sous charge de 1kg inférieure à une fourchette de 50 à 83°C ou EVA présentant une température de ramollissement de 60 à 80°C pour une teneur en comonomère de 5 à 20% pour une température de ramollissement inférieure à 50°C pour une teneur en comonomère de 25 à 40%, ou EMA (éthylène acide métacrylique) ou encore EAA (éthylène acide acrylique) présentant respectivement des températures de ramollissement de 63°C et 84 à 74°C.The slipper represented at figure 1 comprises a rod 1 constituted, in known manner, of a flexible material coated with a layer of thermoformable synthetic foam, for example a closed-cell thermoplastic foam such as PE-tBDL (linear polyethylene) or EVA (ethylene vinyl acetate) , that is to say a low density polyethylene and having a relatively low VICAT softening temperature (NF T 51-021 standard). Internally, the foam is coated with a layer of nylon (registered trademark). The liner is provided with a tongue 2 and a frame 3 also made of thermoformable material having a relatively low softening temperature and in all cases less than 100 ° C under load of 1kg. This material is preferably a low density polyethylene such as PE-tBDL having a softening temperature under load of 1kg lower than a range of 50 to 83 ° C or EVA having a softening temperature of 60 to 80 ° C for a content as a comonomer of 5 to 20% for a softening temperature below 50 ° C for a comonomer content of 25 to 40%, or EMA (ethylene methacrylic acid) or EAA (ethylene acrylic acid) having respectively softening temperatures of 63 ° C and 84 to 74 ° C.

L'armature peut être en matériau injecté massif ou alvéolaire ou en une combinaison de ces deux matériaux.The frame may be of solid or cellular injected material or a combination of these two materials.

L'armature 3 présente une partie centrale 3a s'étendant sur l'arrière du pied, au-dessus de la zone du talon. De cette partie 2a s'étendent, vers le bas, deux parties 3b et 3c qui passent sous la région malléolaire pour remonter en direction du cou-de-pied. De la partie centrale 3a partent, en outre, vers le haut, deux branches 3d et 3e qui s'étendent, légèrement obliquement vers l'avant, de chaque côté de la zone tibiale. Cette armature assure un maintien optimal du pied et de la cheville. Elle assure également une transmission précise des efforts entre la jambe, plus particulièrement le tibia, et le ski sans créer de pression gênante, voire douloureuse, sur des vaisseaux sanguins. Lors de la pratique du ski, le mouvement du tibia donne la direction de la prise de carre, c'est-à-dire le côté du ski sur lequel la jambe va prendre appui. Cette transmission de l'appui tibial est donc essentiel dans la prise de carre et pour la précision de cette prise de carre.The frame 3 has a central portion 3a extending on the back of the foot, above the heel area. From this part 2a extend, downwards, two parts 3b and 3c which pass under the malleolar region to go up towards the instep. From the central portion 3a, in addition, upwards, two branches 3d and 3e extend, slightly obliquely forwards, on each side of the tibial zone. This frame ensures optimal support of the foot and ankle. It also ensures accurate transmission of efforts between the leg, especially the tibia, and the ski without creating uncomfortable pressure, even painful, on blood vessels. When skiing, the movement of the tibia gives the direction of the edge grip, that is to say the side of the ski on which the leg will bear. This transmission of the tibial support is therefore essential in the edge and for the accuracy of this edge.

La transmission immédiate des efforts entre le ski et la jambe est essentielle, mais celle-ci ne doit pas se faire au dépend du confort. En effet, si le skieur ressent une douleur, même légère, due à une compression des vaisseaux sanguins ou d'une pointe osseuse, ce sentiment d'inconfort se traduit par un sentiment d'insécurité. Il est donc important que l'armature du chausson ne provoque pas ce sentiment d'inconfort. La forme de l'armature 3 remplit ces conditions. Cette forme pourrait cependant s'écarter de la forme représentée.The immediate transmission of effort between the ski and the leg is essential, but it should not be at the expense of comfort. Indeed, if the skier feels pain, even slight, due to compression blood vessels or bone tip, this feeling of discomfort translates into a feeling of insecurity. It is therefore important that the slipper frame does not cause this feeling of discomfort. The shape of the frame 3 fulfills these conditions. This form may, however, deviate from the form shown.

Pour le thermoformage du chausson et de son armature, le chausson peut être chauffé par exemple à l'air chaud.For the thermoforming of the liner and its frame, the liner can be heated for example with hot air.

Claims (8)

  1. Innerboot equipped with an outer stiffener (3) made of in-situ-thermoformable material, characterized in that it is essentially made of in-situ-thermoformable foam and in that the stiffener (3) has a central part (3a) extending behind the ankle above the heel and from which there extend two arms (3b, 3c) passing on each side of the innerboot beneath the malleolar region and then rising obliquely towards the instep and two ascending arms (3d, 3e) extending obliquely on each side of the tibial region.
  2. Innerboot according to Claim 1, characterized in that the stiffener is made of a material whose Vicat softening temperature under a 1 kg load is less than 100°C.
  3. Innerboot according to Claim 2, characterized in that the stiffener is made of PE or EMA or EAA.
  4. Innerboot according to Claim 1, characterized in that the Vicat softening temperature of the stiffener is less than 50°C.
  5. Innerboot according to Claim 4, characterized in that the stiffener is made of PE or EVA.
  6. Innerboot according to one of Claims 1 to 5,
    characterized in that the material of the stiffener is solid.
  7. Innerboot according to one of Claims 1 to 5,
    characterized in that the material of the stiffener is cellular.
  8. Method of shaping an innerboot according to one of Claims 1 to 7, characterized in that the innerboot, with its stiffener, which has a central part (3a) extending behind the ankle above the heel and from which there extend two arms (3b, 3c) passing on each side of the inner boot beneath the malleolar region and then rising obliquely towards the instep and two ascending arms (3d, 3e) extending obliquely on each side of the tibial region, is placed in the boot and in that the foam and the stiffener are heated, to its Vicat softening temperature, whereupon the foot or a moulding of the foot of the wearer is inserted into the boot and the boot is kept closed until the stiffener and foam have at least partly cooled.
EP20000810950 1999-12-21 2000-10-16 Innerboot for skiboots Expired - Lifetime EP1110466B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH02332/99A CH693584A5 (en) 1999-12-21 1999-12-21 Comfort boot for sports shoe.
CH233299 1999-12-21

Publications (3)

Publication Number Publication Date
EP1110466A2 EP1110466A2 (en) 2001-06-27
EP1110466A3 EP1110466A3 (en) 2002-01-09
EP1110466B1 true EP1110466B1 (en) 2008-06-25

Family

ID=4231346

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20000810950 Expired - Lifetime EP1110466B1 (en) 1999-12-21 2000-10-16 Innerboot for skiboots

Country Status (3)

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EP (1) EP1110466B1 (en)
CH (1) CH693584A5 (en)
DE (1) DE60039281D1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8302329B2 (en) 2009-11-18 2012-11-06 Nike, Inc. Footwear with counter-supplementing strap
US8857077B2 (en) 2010-09-30 2014-10-14 Nike, Inc. Footwear with internal harness

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010026937A1 (en) * 2010-04-07 2011-10-13 Win.Air Sportartikel Gmbh Ski boot, ski and ski binding
FR2971918B1 (en) * 2011-02-25 2013-03-01 Aubisque Ets Palau Sa L INTERNAL COMFORT SHOE FOR SKI SHOES
CN103772800A (en) * 2014-01-22 2014-05-07 南通市海鸥救生防护用品有限公司 Antibacterial EVA (Ethylene-Vinyl Acetate) foam material
AT517606B1 (en) * 2015-12-22 2017-03-15 Fischer Sports Gmbh liner

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1979000886A1 (en) 1978-04-06 1979-11-01 Battelle Memorial Institute Clothing element or accessory intended to be adapted closely to a part of the human body and process for adapting this element or accessory to this part of the human body
JPH0775563B2 (en) * 1990-02-09 1995-08-16 ヤマハ株式会社 Inner boots for ski shoes and fitting method thereof
JP2734932B2 (en) * 1993-04-01 1998-04-02 ヤマハ株式会社 Fitting material for ski boots
CH689665A5 (en) * 1993-09-07 1999-08-13 Lange Int Sa Shoe portion other than the sole, in particular slipper tongue inside ski boot.
FR2713052B1 (en) 1993-12-03 1996-03-01 Salomon Sa Inner liner for sports shoe.
EP0674856A1 (en) * 1994-03-30 1995-10-04 NORDICA S.p.A Form-fitting adapter, particularly for sports shoes
IT1273915B (en) 1994-10-27 1997-07-11 Nordica Spa INTERNAL SHOE FOR SPORT SHOES AND PROCEDURE FOR OBTAINING THE SAME.
FR2726743B1 (en) * 1994-11-10 1997-01-03 Salomon Sa COMFORT SHOE FOR SKI SHOE
ITUD940197A1 (en) * 1994-12-05 1996-06-05 Dada Srl INTERNAL SHOE FOR SPORTS SHOES
FR2739760B1 (en) 1995-10-11 1997-12-12 Salomon Sa METHOD AND DEVICE FOR HEATING AN INTERIOR SHOE LINING
ATE214240T1 (en) * 1998-06-04 2002-03-15 Burton Sportartikel Gmbh INNER SHOE FOR A SPORTS SHOE

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8302329B2 (en) 2009-11-18 2012-11-06 Nike, Inc. Footwear with counter-supplementing strap
US8656612B2 (en) 2009-11-18 2014-02-25 Nike, Inc. Footwear with counter-supplementing strap
US8857077B2 (en) 2010-09-30 2014-10-14 Nike, Inc. Footwear with internal harness

Also Published As

Publication number Publication date
EP1110466A2 (en) 2001-06-27
CH693584A5 (en) 2003-10-31
EP1110466A3 (en) 2002-01-09
DE60039281D1 (en) 2008-08-07

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