EP1938703B1 - Innerboot with inner surface in several parts - Google Patents
Innerboot with inner surface in several parts Download PDFInfo
- Publication number
- EP1938703B1 EP1938703B1 EP06425872A EP06425872A EP1938703B1 EP 1938703 B1 EP1938703 B1 EP 1938703B1 EP 06425872 A EP06425872 A EP 06425872A EP 06425872 A EP06425872 A EP 06425872A EP 1938703 B1 EP1938703 B1 EP 1938703B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- inner boot
- boot
- sports shoe
- layer
- shoe according
- 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.)
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Links
- 239000000463 material Substances 0.000 claims description 18
- 238000003466 welding Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 230000000295 complement effect Effects 0.000 claims 1
- 229920003023 plastic Polymers 0.000 claims 1
- 239000004033 plastic Substances 0.000 claims 1
- 210000002414 leg Anatomy 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 210000001699 lower leg Anatomy 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 210000002303 tibia Anatomy 0.000 description 1
Images
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
- A43B5/0405—Linings, paddings or insertions; Inner boots
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/26—Tongues for shoes
Definitions
- the invention relates to a slipper for sports shoes, particularly suitable for shoes used in sports such as skiing. It also relates to a method of manufacturing such a shoe. Finally, it also relates to a sports shoe comprising such a shoe.
- a ski boot consists of a rigid rod surrounding a comfort boot in which the skier slides his foot.
- a liner comprises a tab in its front part, which can deviate under the pressure of the foot through a notch of the shoe upper to facilitate the boot and the heaving of the shoe.
- the function of such a shoe is to ensure the comfort of the skier despite the high pressure exerted by the rigid stem of the ski boot, which goes up to the skier's tibia.
- the wall of such a shoe comprises an inner layer, in contact with the skier's leg, made by the union of several separate parts juxtaposed, to facilitate its manufacturing process, to allow use several different materials and form aesthetic effects visible from the top of the ski boot.
- these different distinct parts are fixed by a seam, which is generally joined returned to make it invisible and make the shoe aesthetically attractive.
- the disadvantage of this solution is however to present a thicker line at this seam, likely to generate painful points since it is directly in contact and strongly pressed against the skier's leg during the practice of skiing and more particularly during knee flexions.
- EP-A-0 839 464 discloses an inner liner for a sports shoe, the wall of which comprises an inner layer comprising a plurality of superposed distinct parts, a superimposed outer layer and at least one interposed foam layer, at least two distinct parts of the inner layer positioned in the upper part of the slippers are fastened together by welding or sewing.
- An alternative embodiment is to opt for single seams edge to edge, especially when one of the materials of one of the two parts is relatively rigid since in such a case the turning of the seam is not possible.
- These simple seams do not have the disadvantage of discomfort seams returned but have a less attractive aesthetic appearance.
- a first object of the present invention is therefore to provide a shoe boot slipper with improved comfort and aesthetics.
- a second object of the present invention is to provide a shoe slipper more resistant to wear over time.
- the liner comprises an inner layer in several juxtaposed separate parts fixed by a weld, for example of ultrasound or high frequency type.
- the figure 1 illustrates a boot 1 for a ski boot, the wall of which comprises an inner layer obtained by the juxtaposition of several distinct parts, explained hereinafter, this inner layer being superimposed with an outer layer 10 and at least one layer of foam interposed to ensure the comfort around the skier's foot and lower leg.
- the inner layer of the wall of the liner comprises on the upper rear part a V-shaped part 2 in a material of greater resistance to friction than the material of the neighboring part 3.
- These two parts 2, 3 are for example in a material based on thermoplastic fibers, compatible with the application of a welding technique known from the prior art, for example by ultrasound, which allows their attachment by welding on a surface 4 covering at their common border.
- the materials may be of any kind, at least one of which undergoes, if necessary, treatment by adding, for example, a plastic sheet to form a complex that accepts a welding technique, according to a known treatment process. of the prior art.
- the inner layer of the tongue 11 of the liner comprises in its upper part a V-shaped portion 5, connected by a weld zone 7 with the neighboring part 6.
- the two parts 2 and 5 have the particularity of undergoing the friction of the foot of the skier during the boot and heaving of the boot, and it is advantageous to be able to position specifically at these locations materials more resistant to friction than the usual fabrics 3, 6 used for the rest of the slipper, which are generally cozy, such as velveteen.
- a slippery material may also be advantageous for its property of facilitating footwear. It is interesting to note that the lowest point 8, 9 of these friction parts 2, 5 can advantageously be around half of the total height of the shoe, preferably between 1/3 and 2/3 from this height.
- V-shape of these parts corresponds to the movement of the foot during the boot, which converges from an uncertain position in the top of the boot to a unique and precise positioning in the lower foot of the boot.
- any other form of these parts, narrower in their lower part than their upper part, could correspond to this feature.
- the particular positioning of parts 2, 5 makes it possible to give an attractive aesthetic appearance to the boot which is generally hidden within a ski boot upper and of which only its upper part is visible and highlighted.
- the two parts are not necessarily in different materials but may be in identical materials and have different colors or designs.
- their positioning may be different in the upper part of the boot while creating an aesthetic effect.
- the invention also relates to the method of manufacturing such a ski boot liner, comprising the step of forming the inner layer of the wall of the liner, that is to say intended to come into contact with the foot and the skier's leg, from several different parts fixed together by a weld.
- the weld has been specifically implemented for portions of slipper visible and underfoot rubbing.
- the seams are likely to cause hard spots in all areas around the foot or the user's leg and still have a limited life.
- the welding technique is implemented for a certain zone of the inner layer of the liner, it may also be advantageous to use it for other zones and the spirit of the invention is limited to therefore not at its location at a particular place of the inner layer of the wall of a slipper.
- the concept of the invention can be implemented on any boot of sport shoe, distinct or not a shoe shank, removable or not, strongly pressed against the foot or leg. So we mean by slipper enlarged any part of comfort, inside a shoe, which performs the functions of comfort, insulation ...
Description
L'invention concerne un chausson pour chaussure de sport, particulièrement adapté pour les chaussures utilisées dans les sports de glisse tel que le ski. Elle concerne aussi un procédé de fabrication d'un tel chausson. Enfin, elle concerne aussi une chaussure de sport comprenant un tel chausson.The invention relates to a slipper for sports shoes, particularly suitable for shoes used in sports such as skiing. It also relates to a method of manufacturing such a shoe. Finally, it also relates to a sports shoe comprising such a shoe.
Une chaussure de ski se compose d'une tige rigide entourant un chausson de confort dans lequel le skieur glisse son pied. Un tel chausson comprend une languette dans sa partie antérieure, qui peut s'écarter sous la pression du pied à travers une échancrure de la tige de chaussure pour faciliter le chaussage et le déchaussage de la chaussure. La fonction d'un tel chausson est de garantir le confort du skieur malgré la pression élevée exercée par la tige rigide de la chaussure de ski, qui remonte jusqu'au tibia du skieur.A ski boot consists of a rigid rod surrounding a comfort boot in which the skier slides his foot. Such a liner comprises a tab in its front part, which can deviate under the pressure of the foot through a notch of the shoe upper to facilitate the boot and the heaving of the shoe. The function of such a shoe is to ensure the comfort of the skier despite the high pressure exerted by the rigid stem of the ski boot, which goes up to the skier's tibia.
Selon une solution de l'art antérieur, la paroi d'un tel chausson comprend une couche intérieure, en contact avec la jambe du skieur, réalisée par la réunion de plusieurs parties distinctes juxtaposées, pour faciliter son procédé de fabrication, permettre d'utiliser plusieurs matériaux différents et former des effets esthétiques visibles depuis le haut de la chaussure de ski. Dans une telle solution, ces différentes parties distinctes sont fixées par une couture, qui est en général jointée retournée pour la rendre invisible et rendre le chausson esthétiquement attrayant. L'inconvénient de cette solution est toutefois de présenter une ligne plus épaisse au niveau de cette couture, susceptible de générer des points douloureux puisqu'elle est directement en contact et fortement pressée contre la jambe du skieur lors de la pratique du ski et plus particulièrement lors des flexions des genoux.According to a solution of the prior art, the wall of such a shoe comprises an inner layer, in contact with the skier's leg, made by the union of several separate parts juxtaposed, to facilitate its manufacturing process, to allow use several different materials and form aesthetic effects visible from the top of the ski boot. In such a solution, these different distinct parts are fixed by a seam, which is generally joined returned to make it invisible and make the shoe aesthetically attractive. The disadvantage of this solution is however to present a thicker line at this seam, likely to generate painful points since it is directly in contact and strongly pressed against the skier's leg during the practice of skiing and more particularly during knee flexions.
Le document
Une variante de réalisation consiste à opter pour des coutures simples bord à bord, notamment lorsque l'un des matériaux d'une des deux parties est relativement rigide puisque dans un tel cas le retournement de la couture n'est pas possible. Ces coutures simples ne présentent pas l'inconvénient d'inconfort des coutures retournées mais ont un aspect esthétique moins attractif.An alternative embodiment is to opt for single seams edge to edge, especially when one of the materials of one of the two parts is relatively rigid since in such a case the turning of the seam is not possible. These simple seams do not have the disadvantage of discomfort seams returned but have a less attractive aesthetic appearance.
De plus, au-delà des aspects de confort et d'esthétique, toutes les coutures présentent l'inconvénient d'une usure dans le temps qui limite la durée de vie des chaussons.In addition, beyond the aspects of comfort and aesthetics, all seams have the disadvantage of wear over time which limits the life of the shoes.
Il existe donc un besoin d'une nouvelle structure de chausson de chaussure de sport qui permette de réunir les avantages des solutions existantes sans en présenter les inconvénients.There is therefore a need for a new sports shoe boot structure that allows to reap the benefits of existing solutions without the disadvantages.
Un premier objet de la présente invention consiste donc à proposer un chausson de chaussure de sport au confort et à l'esthétique améliorés.A first object of the present invention is therefore to provide a shoe boot slipper with improved comfort and aesthetics.
Un second objet de la présente invention consiste à proposer un chausson de chaussure de sport plus résistant à l'usure dans le temps.A second object of the present invention is to provide a shoe slipper more resistant to wear over time.
Selon le concept de l'invention, le chausson comprend une couche intérieure en plusieurs parties distinctes juxtaposées fixées par une soudure, par exemple de type à ultrason ou haute fréquence.According to the concept of the invention, the liner comprises an inner layer in several juxtaposed separate parts fixed by a weld, for example of ultrasound or high frequency type.
L'invention est plus précisément définie par les revendications.The invention is more precisely defined by the claims.
Ces objets, caractéristiques et avantages de la présente invention seront exposés en détail dans la description suivante d'un mode d'exécution particulier fait à titre non-limitatif en relation avec la figure jointe unique, qui est une vue en perspective de dessus d'un chausson de chaussure de ski selon un mode d'implémentation de l'invention.These objects, features and advantages of the present invention will be set forth in detail in the following description of a particular embodiment made in a non-limiting manner in relation to the single attached figure, which is a perspective view from above of a ski boot liner according to an embodiment of the invention.
La
La couche intérieure de la paroi du chausson comprend sur la partie haute arrière une partie 2 en forme de V dans un matériau de plus grande résistance au frottement que le matériau de la partie avoisinante 3. Ces deux parties 2, 3 sont par exemple dans un matériau à base de fibres thermoplastiques, compatible avec l'application d'une technique de soudure connue de l'art antérieur, par ultrason par exemple, qui permet leur fixation par soudure sur une surface de recouvrement 4 au niveau de leur frontière commune. En remarque, les matériaux peuvent être quelconques, l'un au moins d'entre eux subissant si nécessaire un traitement par l'ajout par exemple d'une feuille plastique pour former un complexe acceptant une technique de soudure, selon un procédé de traitement connu de l'art antérieur.The inner layer of the wall of the liner comprises on the upper rear part a V-
De manière symétrique et semblable, la couche intérieure de la languette 11 du chausson comprend dans sa partie haute une partie 5 en forme de V, liée par une zone de soudure 7 avec la partie avoisinante 6.Symmetrically and similarly, the inner layer of the
Les deux parties 2 et 5 présentent la particularité de subir le frottement du pied du skieur lors du chaussage et déchaussage du chausson, et il est avantageux de pouvoir positionner spécifiquement à ces emplacements des matériaux plus résistants aux frottements que les tissus habituels 3, 6 utilisés pour le reste du chausson, qui sont en général douillet, comme de la veloutine. En variante, un matériau glissant peut aussi être avantageux pour sa propriété consistant à faciliter le chaussage. Il est intéressant de noter que le point le plus bas 8, 9 de ces parties de frottement 2, 5 peut avantageusement se situer aux alentours de la moitié de la hauteur totale du chausson, de préférence entre le 1/3 et les 2/3 de cette hauteur. De plus, la forme en V de ces parties correspond au déplacement du pied lors du chaussage, qui converge depuis une position incertaine dans le haut du chausson vers un positionnement unique et précis dans la partie chaussante inférieure du chausson. Bien sûr, toute autre forme de ces parties, plus étroite dans leur partie basse que leur partie haute, pourrait correspondre à cette fonctionnalité.The two
D'autre part, le positionnement particulier des parties 2, 5 permet de donner un aspect esthétique attractif au chausson qui est en général caché au sein d'une tige de chaussure de ski et dont seule sa partie haute est visible et mise en valeur. Ainsi, les deux parties ne sont pas obligatoirement dans des matériaux différents mais peuvent être dans des matériaux identiques et présenter des couleurs ou des dessins différents. De plus, leur positionnement peut être différent dans la partie haute du chausson tout en créant un effet esthétique. En variante par exemple, il peut n'y avoir qu'une seule des deux parties 2, 5 représentées.On the other hand, the particular positioning of
L'invention porte aussi sur le procédé de fabrication d'un tel chausson de chaussure de ski, comprenant l'étape consistant à former la couche intérieure de la paroi du chausson, c'est à dire destinée à venir en contact avec le pied et la jambe du skieur, à partir de plusieurs parties différentes fixées entre elles par une soudure.The invention also relates to the method of manufacturing such a ski boot liner, comprising the step of forming the inner layer of the wall of the liner, that is to say intended to come into contact with the foot and the skier's leg, from several different parts fixed together by a weld.
Finalement, la solution atteint bien les objets recherchés et présente les avantages suivants :
- la liaison entre ces différentes surfaces intérieures ne forme plus un bourrelet, ce qui améliore le confort du chausson, tout en lui donnant un aspect esthétique attrayant car il n'y a pas de couture apparente ;
- il faut noter que la soudure représente un surcoût initial par rapport à la couture, qui explique notamment que l'homme du métier n'a jamais utilisé cette solution de fixation pour les surfaces intérieures d'un chausson de chaussure de sport. La mise en évidence du problème technique de l'inconfort des coutures est un apport important de l'invention ;
- enfin, la solution retenue apporte l'avantage secondaire d'une plus grande résistance à l'usure, notamment dans les zones de frottement avec les pieds du skieur dans les phases de chaussage et déchaussage, et augmente donc la durée de vie des chaussons.
- the connection between these different interior surfaces no longer forms a bead, which improves the comfort of the liner, while giving it an attractive aesthetic appearance because there is no apparent seam;
- it should be noted that the weld represents an initial additional cost compared to the seam, which explains in particular that the skilled person has never used this fixing solution for the interior surfaces of a shoe boot slipper. The highlighting of the technical problem of seam discomfort is an important contribution of the invention;
- finally, the solution adopted provides the secondary advantage of greater resistance to wear, especially in the friction zones with the feet of the skier in the phases of boot and heave, and thus increases the life of the shoes.
Dans le mode d'exécution décrit, la soudure a été spécifiquement implémentée pour des parties de chausson visibles et subissant des frottements du pied. Toutefois, les coutures sont susceptibles de provoquer des points durs dans toutes zones autour du pied ou la jambe de l'utilisateur et présentent toujours une durée de vie limitée. De plus, dès lors que la technique de soudure est mise en oeuvre pour une certaine zone de la couche intérieure du chausson, il peut être aussi intéressant de l'utiliser pour d'autres zones et l'esprit de l'invention ne se limite donc pas à son emplacement à un endroit particulier de la couche intérieure de la paroi d'un chausson. D'ailleurs, même si le problème mentionné de manque de confort ne s'applique pas aux coutures positionnées sur des couches extérieures du chausson, puisqu'elles ne sont pas directement en contact avec le pied ou la jambe du skieur mais derrière une couche de mousse, il peut être utile de remplacer ces coutures par des soudures pour profiter de l'outillage à disposition pour le procédé de fabrication et augmenter la durée de vie du chausson.In the embodiment described, the weld has been specifically implemented for portions of slipper visible and underfoot rubbing. However, the seams are likely to cause hard spots in all areas around the foot or the user's leg and still have a limited life. Moreover, since the welding technique is implemented for a certain zone of the inner layer of the liner, it may also be advantageous to use it for other zones and the spirit of the invention is limited to therefore not at its location at a particular place of the inner layer of the wall of a slipper. Moreover, even if the mentioned problem of lack of comfort does not apply to seams positioned on outer layers of the bootie, since they are not directly in contact with the foot or the leg of the skier but behind a layer of foam, it may be useful to replace these seams by welds to take advantage of the tooling available for the manufacturing process and increase the life of the shoe.
Enfin, le concept de l'invention peut s'implémenter sur tout chausson de chaussure de sport, distinct ou non d'une tige de la chaussure, amovible ou non, fortement pressé contre le pied ou la jambe. On entend donc par chausson de manière élargie toute partie de confort, à l'intérieur d'une chaussure, qui remplit les fonctions de confort, d'isolation...Finally, the concept of the invention can be implemented on any boot of sport shoe, distinct or not a shoe shank, removable or not, strongly pressed against the foot or leg. So we mean by slipper enlarged any part of comfort, inside a shoe, which performs the functions of comfort, insulation ...
Claims (11)
- Inner boot for sports shoe whose wall comprises an inner layer composed of several distinct, contiguous parts (2, 3, 5, 6), a superimposed outer layer (10), and at least one intermediate foam layer, at least two distinct parts (2, 3; 5, 6) of the inner layer that are positioned in the upper region of the inner boot being fastened one to another through a welding seam (4; 7).
- Inner boot for sports shoe according to claim 1, characterised in that the inner layer of the inner boot wall comprises at least one part (2; 5) made of a material more resistant or more slippery than the remainder of the layer in the regions that are stressed by a friction caused by the foot of a user.
- Inner boot for sports shoe according to the preceding claim, characterised in that the portion of the inner layer of the more resistant material comprises a portion (2) situated in the upper region of the rear area of the inner boot.
- Inner boot for sports shoe according to claim 2 or 3, characterised in that the portion of the inner layer of the more resistant material comprises a portion (5) situated in the upper region of the shoe tongue (11).
- Inner boot for sports shoe according to any one of claims 3 and 4, characterised in that the portion of the more resistant material of the inner layer of the inner boot wall is V shaped.
- Inner boot for sports shoe according to the preceding claim, characterised in that the lowermost point (8; 9) of the V shaped portion is situated between one third and two thirds of the height of the inner boot.
- Inner boot for sports shoe according to any one of the preceding claim, characterised in that at least one of its materials is a complex comprising- any material whatsoever that is not compatible with the welding,- a complementary material providing the compatibility with the welding.
- Inner boot for sports shoe according to any one of the preceding claim, characterised in that it further comprises several portions fastened together by welding onto the outer layer (10).
- Sports shoe, comprising in its interior an inner boot according to any one of the preceding claims.
- Sports shoe according to the preceding claim, characterised in that it comprises a rigid outer shaft of a plastics material and a distinct and removable inner boot.
- Process for the manufacture of an inner boot for sports shoe according to any one of claims 1 to 8, comprising the step of forming the inner layer of the inner boot wall by welding together at least two adjacent distinct parts (2, 3; 5, 6) positioned within the upper region of the inner boot, as well as the step of superimposing at least one foam layer and one outer layer (10) in order to form the wall of the inner boot.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE602006007603T DE602006007603D1 (en) | 2006-12-29 | 2006-12-29 | Inner shoe with inner surface of several parts |
| EP06425872A EP1938703B1 (en) | 2006-12-29 | 2006-12-29 | Innerboot with inner surface in several parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP06425872A EP1938703B1 (en) | 2006-12-29 | 2006-12-29 | Innerboot with inner surface in several parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1938703A1 EP1938703A1 (en) | 2008-07-02 |
| EP1938703B1 true EP1938703B1 (en) | 2009-07-01 |
Family
ID=38123748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP06425872A Active EP1938703B1 (en) | 2006-12-29 | 2006-12-29 | Innerboot with inner surface in several parts |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP1938703B1 (en) |
| DE (1) | DE602006007603D1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3044525B1 (en) * | 2015-12-04 | 2019-08-02 | Rossignol Lange S.R.L. | TONGUE FOR FOOTWEAR SHOE INTERIOR |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT401709B (en) * | 1993-02-11 | 1996-11-25 | Koeflach Sportgeraete Gmbh | MOLDED PART, IN PARTICULAR CUTTING FOR AN INNER SHOE |
| IT1279487B1 (en) * | 1995-12-14 | 1997-12-10 | Nordica Spa | PROCEDURE FOR OBTAINING INNER LINERS, PARTICULARLY FOR SPORTS FOOTWEAR |
| IT1288681B1 (en) * | 1996-10-30 | 1998-09-23 | Nordica Spa | SPORT FOOTWEAR WITH IMPROVED WEARABILITY |
| FR2786069B1 (en) * | 1998-11-19 | 2000-12-22 | Salomon Sa | SURF BOOTS |
| AT413181B (en) * | 2003-09-09 | 2005-12-15 | Strolz Schuhe Gesellschfaft M | SKI SHOE |
-
2006
- 2006-12-29 EP EP06425872A patent/EP1938703B1/en active Active
- 2006-12-29 DE DE602006007603T patent/DE602006007603D1/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP1938703A1 (en) | 2008-07-02 |
| DE602006007603D1 (en) | 2009-08-13 |
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