EP1952852A1 - Snowboard with decoration element of fibrous material - Google Patents

Snowboard with decoration element of fibrous material Download PDF

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Publication number
EP1952852A1
EP1952852A1 EP08300052A EP08300052A EP1952852A1 EP 1952852 A1 EP1952852 A1 EP 1952852A1 EP 08300052 A EP08300052 A EP 08300052A EP 08300052 A EP08300052 A EP 08300052A EP 1952852 A1 EP1952852 A1 EP 1952852A1
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EP
European Patent Office
Prior art keywords
layer
additional
opening
board according
textile
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
EP08300052A
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German (de)
French (fr)
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EP1952852B1 (en
Inventor
Jacky Christoud
Thierry Monnet
Joao Mendes
Joan Torrella
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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Application filed by Skis Rossignol SA, Rossignol SA filed Critical Skis Rossignol SA
Publication of EP1952852A1 publication Critical patent/EP1952852A1/en
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Publication of EP1952852B1 publication Critical patent/EP1952852B1/en
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C5/00—Skis or snowboards
    • A63C5/003—Structure, covering or decoration of the upper ski surface
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C5/00—Skis or snowboards
    • A63C5/04—Structure of the surface thereof
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C5/00—Skis or snowboards
    • A63C5/12—Making thereof; Selection of particular materials
    • A63C5/124—Selection of particular materials for the upper ski surface
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C2203/00—Special features of skates, skis, roller-skates, snowboards and courts
    • A63C2203/08—Decoration

Definitions

  • the invention relates to the field of snow sliding sports, and more particularly it relates to an improvement in the structure of boards, intended to allow the use of fibrous materials and in particular textiles to achieve decorative elements of the layer higher.
  • boards for gliding on snow, whether skis or surfing have an upper face that has a decor that can be achieved in different ways, but mainly by making drawings, patterns or other inscriptions under the upper layer which forms the outer layer of the ski.
  • additional decorative elements generally made of a material different from that which constitutes the upper layer of protection.
  • these additional elements are generally arranged so that they are flush with the upper face of the upper protective layer, and without overflowing of excessively.
  • an opening is generally made in the upper protective layer, so as to form a window through which the additional decorative element is apparent.
  • inserts may for example be made of a material having a soft touch facilitating the gripping of the board. More specifically, these additional elements are cut to the exact shape of the window made in the upper protective layer. It is also known that generally gliding boards incorporate mechanical reinforcing layers, which are made from a fibrous material impregnated with a thermosetting resin, which thus increases the stiffness of the board. To prevent resin leakage in the interstices formed between the additional decorative element and the periphery of the window formed in the upper layer, the aforementioned document proposes to insert under the window, a waterproof film preventing any rise of resin.
  • One of the objectives of the invention is to allow the use of additional decorative elements that are made of fibrous material, and in particular textile.
  • Another object of the invention is to allow the production of very varied decorative patterns, in shapes and dimensions, with this type of fibrous material.
  • the upper protective layer has one or more openings forming windows.
  • the pressures exerted cause the deformation of the underlying layer of the upper assembly, which fills the window of the upper protective layer, being blocked at the upper level by the cover of the mold.
  • This method is not applicable to the use of additional decorative elements based on fibrous materials and in particular textile. Indeed, these materials have a porosity and a capillarity that makes them permeable to the resin that impregnates the layers of reinforcements located under the upper assembly.
  • a derivative process has been described in the document EP 0 774 280 , which describes the production of an upper assembly, for subsequent placement in a mold for the operation of manufacturing the board.
  • This upper assembly comprises an upper layer having windows inside which are inserted additional decorative elements based on transparent or translucent polymeric material.
  • This additional element is secured to the upper protective layer by a hot plating step, bonding or welding. It is obvious that such a method is not applicable or transferable to the use of additional elements of fiber material and textile in particular. Indeed, the capillarity of such a material would inevitably cause at least partial penetration of the fluid materials present in the vicinity during molding, and in particular the resin of the mechanical reinforcing layers, and to a lesser extent the material of the upper layer of protection when carrying out the upper assembly.
  • the object of the invention is therefore to allow the use of materials having a certain capillarity with a view to integrating them as an additional decorative element in a part of the upper assembly, despite the proximity of layers of reinforcement impregnated with resin having a natural tendency to migrate during the molding operation.
  • the invention therefore relates to a snow board on snow which has a core covered with an upper assembly.
  • this upper assembly comprises at least one reinforcing layer impregnated with a polymerized resin, and an upper protective layer forming the upper face, and which has a through opening.
  • the upper assembly also includes an additional decorative element, which is present inside the opening made in the upper layer. This additional element extends under the upper protective layer at the periphery of this opening.
  • the board is characterized in that the additional decorative element is formed of a layer of fibrous material.
  • fibrous is meant mainly textile materials, and in particular woven or knitted fabrics but also textile fabrics based on nonwoven materials.
  • the upper assembly also comprises a layer of a polymeric material forming a sealing barrier between the additional decorative element and the resin of the mechanical reinforcing layer.
  • This waterproof layer extends under the additional decorative element protruding from the latter to come into contact with the lower face of the upper protective layer.
  • the invention consists in using, as an additional decoration element, layers of material having a certain capillarity, and in preventing any migration of the fluid materials, and in particular of the reinforcing resin during the operation of injection protecting this additional fibrous element by the interposition of a waterproof layer which isolates it from any infiltration of the fluid material.
  • the fibrous decoration material thus retains its appearance and touch.
  • a textile touch can indeed be particularly appreciable not only for its aesthetic qualities, but also by the fact that it reduces the sensation of cold contact, due to the imprisonment of a layer of air between the fibers of the textile.
  • a textile-based decor is naturally less subject to scratching than a conventional polymeric layer.
  • the principle of the invention can be implemented in different ways, and in particular by using an additional decorative element by opening made in the upper protective layer, or even by using an additional element of decoration which is common to several through openings. And in practice, these through openings can realize patterns with complete freedom of shape, and in particular to achieve alphabetic type markings or patterns of very small dimensions. It is also possible that the through opening extends to the edge of the board, so that the additional textile element is present to the edges of the board.
  • the additional decorative element has a fraction of its periphery which follows the contour of the through opening.
  • the additional element protrudes under the upper protective layer by a band which has a substantially constant width. This width can be determined to avoid any risk of tearing of textile materials.
  • the overflow of the additional element is proportionally greater when the openings are small.
  • the additional decorative element protrude from the perimeter of the through opening by a distance greater than 5 mm, this distance being a function of the size of the pattern and the type of textile material used in particular its deformability .
  • the sealing layer protrude beyond the periphery of the additional element by a distance greater than 5 mm, in order to ensure the most complete seal possible and to prevent any penetration or migration of resin which would pollute. the additional textile element.
  • a gliding board (1) conventionally includes a lower assembly comprising a sole (2) bordered with edges (3).
  • a core (4) which can be obtained in different ways, either from a core made in a prior operation, or by a core made during an injection operation.
  • this core (4) may be bordered by longitudinal reinforcing elements (5) constituting all or part of the edges of the board.
  • the invention is in no way limited to this type of structure, but also covers conventional structures of "sandwich” or "shell” type.
  • the core (4) is covered with an upper assembly (10) which is composed in the form illustrated in FIG. figure 1 an upper protective layer (11), a reinforcing layer (12), and according to the invention a layer (13) forming the additional decorative element, associated with a sealing layer ( 14).
  • an upper assembly 10 which is composed in the form illustrated in FIG. figure 1 an upper protective layer (11), a reinforcing layer (12), and according to the invention a layer (13) forming the additional decorative element, associated with a sealing layer ( 14).
  • the upper assembly may also include other reinforcing elements or others, which have not been shown since they have no direct influence on the invention.
  • the upper protective layer (11) is conventionally made of a thermoplastic polymeric material, and can receive on its underside (16) different layers of ink or varnish, not directly related to the present invention.
  • the upper protective layer may be made from sheets of various materials, such as wood-based sheets, in particular bamboo or the like, and generally any other plant material. It may also be textiles different from those forming the additional element, in terms of materials, color, or more generally appearance.
  • This upper protective layer (11) has through openings. These openings may be located and have a closed contour when located, such as the opening (20) in the central portion of the upper protective layer (11). These openings (21) may also extend to the edge of the upper protective layer, so that they define a window that extends to the edge (5) of the board. These openings are made in a conventional manner by any punching, stamping or cutting operation.
  • the upper assembly (10) also comprises a fibrous reinforcing layer (12) which can be made in different ways, and in particular based on one or more plies of yarn, woven or not.
  • This sheet (12) is impregnated with a resin thermosetting, which when fully crosslinked gives a high rigidity to the sheet which contributes to the stiffness of the board.
  • the resins employed may be based on epoxy or polyurethane compounds.
  • the upper layer (11) also comprises a layer (13) forming the additional decorative element.
  • This layer can be made as already mentioned, by various types of material depending on the effect that it is desired to obtain.
  • This textile may also include various additional decorative elements, such as printed patterns or elements such as embroidery, seams or the like. It may also be perforated fabrics, such as lace or the like, insofar as the additional element is separated from the rest of the structure of the board by a waterproof layer (14).
  • this layer (13) is covered on its underside with a sealing layer (14), which can typically be made based on a multilayer type film to ensure good sealing and bonding. adjacent layers.
  • a sealing layer (14) which can typically be made based on a multilayer type film to ensure good sealing and bonding. adjacent layers.
  • this layer (14) projects beyond the periphery of the textile layer (13) by a distance which is set according to the viscosity of the resin employed, at molding temperatures, the porosity of the textile layer and the operating conditions.
  • this distance e 2 may be of the order of a few millimeters.
  • the textile layer (13) protrudes under the upper protective layer (11) by a distance e 1 beyond the borders (25) of the openings (20), to ensure a good maintenance of the textile layer and avoid its displacement during use.
  • the realization of the patterns can be obtained according to various methods.
  • it can be as illustrated in figure 2 method in which the core has previously been made by assembly, machining or molding operations.
  • the core (4) is placed in a mold with the different components of the lower set.
  • This core is covered with the reinforcing layer (12) pre-impregnated with a thermosetting resin.
  • the part (14) intended to form the sealing layer is then placed on the reinforcing layer (12).
  • the dimensions of this piece (14), which are greater than those of the textile piece (13) and openings (27) allow its implementation with a certain tolerance.
  • the additional decorative element (13) is then arranged on the sealing layer (14), leaving a peripheral band (28), which is intended to come into contact with the lower face of the upper protective layer (11).
  • This upper protective layer is then placed on the elements previously arranged so that the pattern (27) is centered relative to the textile layer (13).
  • the lid of the mold is then closed again and the application of a pressure causes, on the one hand, the crosslinking of the resin contained in the reinforcing layer (12) and the deformation of the various layers so that the volume formed by the openings (20, 21) is filled by the textile layer (13).
  • This textile therefore retains on its apparent face its original appearance.
  • the textile layer is secured to the upper protective layer, by prior assembly operations, to facilitate handling of the upper assembly.
  • This assembly can be obtained for example via the layer sealing, or by specific gluing, sewing or the like.
  • the sewing thread that assembles can be used to create a decoration such as embroidery, by continuously passing visible areas of the textile layer of the additional element to the upper layer protection.
  • the invention allows the realization of gliding boards which have localized patterns, made from a textile material thus having an attractive appearance and touch.
  • the invention allows in particular the use of this type of material despite the presence in its direct vicinity of fluid materials that could come pollute.

Landscapes

  • Laminated Bodies (AREA)
  • Road Paving Structures (AREA)
  • Finishing Walls (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Road Signs Or Road Markings (AREA)

Abstract

The board (1) has a core (4) covered with a top assembly (10), where the assembly includes a textile layer (13) forming a decoration additional element e.g. woven fabric, arranged inside an opening (2). The element is made up of a fibrous material layer, and includes a polymeric material waterproofing layer (14) forming a seal barrier between the element and polymerized epoxy resin of a reinforcement layer (12) of the assembly. The layer (14) extends under the element to be in contact with a lower face (16) of an upper protective layer (11).

Description

Domaine techniqueTechnical area

L'invention se rattache au domaine des sports de glisse sur neige, et elle vise plus particulièrement une amélioration apportée dans les structures de planches, destinée à permettre l'emploi de matériaux fibreux et en particulier textiles pour réaliser des éléments de décoration de la couche supérieure.The invention relates to the field of snow sliding sports, and more particularly it relates to an improvement in the structure of boards, intended to allow the use of fibrous materials and in particular textiles to achieve decorative elements of the layer higher.

Techniques antérieuresPrevious techniques

De façon générale, les planches de glisse sur neige, qu'il s'agisse de skis ou de surfs, présentent une face supérieure qui possède un décor que l'on peut réaliser de différentes manières, mais principalement par la réalisation de dessins, motifs ou autres inscriptions sous la couche supérieure qui forme la couche extérieure du ski.In general, boards for gliding on snow, whether skis or surfing, have an upper face that has a decor that can be achieved in different ways, but mainly by making drawings, patterns or other inscriptions under the upper layer which forms the outer layer of the ski.

Pour augmenter encore la qualité et l'aspect esthétique des planches, on a proposé d'intégrer sur la face supérieure, des éléments additionnels de décoration, généralement réalisés en un matériau différent de celui qui constitue la couche supérieure de protection. Pour éviter d'être exposé au risque d'arrachage mécanique, et en particulier par les carres, ces éléments additionnels sont généralement disposés de telle sorte qu'ils affleurent à la face supérieure de la couche supérieure de protection, et ce, sans déborder de façon excessive.To further increase the quality and aesthetic appearance of the boards, it has been proposed to incorporate on the upper face, additional decorative elements, generally made of a material different from that which constitutes the upper layer of protection. To avoid being exposed to the risk of mechanical tearing, and in particular by the edges, these additional elements are generally arranged so that they are flush with the upper face of the upper protective layer, and without overflowing of excessively.

Pour ce faire, on pratique généralement une ouverture dans la couche supérieure de protection, de manière à former une fenêtre par laquelle l'élément additionnel de décoration est apparent.To do this, an opening is generally made in the upper protective layer, so as to form a window through which the additional decorative element is apparent.

On a décrit dans le document FR 2 823 126 un procédé de fabrication d'une planche de glisse dans lequel les éléments de décoration additionnels sont insérés dans la couche supérieure de protection de manière à former des zones en un matériau polymérique particulier, différent de la couche polymérique constituant le reste de la couche de protection.We have described in the document FR 2 823 126 a method of manufacturing a gliding board in which the additional decorative elements are inserted in the upper protective layer so as to form zones of a particular polymeric material, different from the polymeric layer constituting the remainder of the protective layer .

Ces inserts peuvent par exemple être réalisés en un matériau présentant un touché souple facilitant la préhension de la planche. Plus précisément, ces éléments additionnels sont découpés à la forme exacte de la fenêtre réalisée dans la couche supérieure de protection. On sait par ailleurs, que généralement les planches de glisse incorporent des couches de renfort mécanique, qui sont réalisées à base d'un matériau fibreux imprégné d'une résine thermodurcissable, qui augmente ainsi la raideur de la planche. Pour éviter toute fuite de résine dans les interstices formés entre l'élément de décoration additionnel et le pourtour de la fenêtre formée dans la couche supérieure, le document précité propose d'insérer sous la fenêtre, un film étanche empêchant toute remontée de résine.These inserts may for example be made of a material having a soft touch facilitating the gripping of the board. More specifically, these additional elements are cut to the exact shape of the window made in the upper protective layer. It is also known that generally gliding boards incorporate mechanical reinforcing layers, which are made from a fibrous material impregnated with a thermosetting resin, which thus increases the stiffness of the board. To prevent resin leakage in the interstices formed between the additional decorative element and the periphery of the window formed in the upper layer, the aforementioned document proposes to insert under the window, a waterproof film preventing any rise of resin.

Un des objectifs de l'invention est de permettre l'emploi d'éléments additionnels de décoration qui soient en matériau fibreux, et en particulier textile. Un autre objectif de l'invention est de permettre la réalisation de motifs décoratifs très variés, en formes et en dimensions, avec ce type de matériau fibreux.One of the objectives of the invention is to allow the use of additional decorative elements that are made of fibrous material, and in particular textile. Another object of the invention is to allow the production of very varied decorative patterns, in shapes and dimensions, with this type of fibrous material.

Or, le procédé décrit dans le document précité n'est pas applicable à l'emploi d'inserts en matériaux textile.However, the method described in the aforementioned document is not applicable to the use of inserts of textile materials.

En effet, de par la texture et l'extensibilité d'un textile, il serait impossible de réaliser les inserts en matériaux textiles qui présentent exactement les mêmes dimensions que la fenêtre réalisée dans la couche supérieure de protection. Les risques d'effilochage d'un tissu seraient importants, et ce d'autant plus que les motifs à réaliser sont de petite taille.Indeed, due to the texture and extensibility of a textile, it would be impossible to achieve the inserts of textile materials that have exactly the same dimensions as the window made in the upper protective layer. The risk of fraying a fabric would be important, especially since the patterns to be made are small.

D'autres procédés ont également été proposés pour permettre l'intégration d'éléments de décoration additionnels de la couche supérieure de protection. Ainsi, le Demandeur a décrit dans le document EP 0 615 773 , un procédé qui consiste à réaliser un ensemble supérieur qui comporte de façon superposée la couche supérieure de protection et une couche inférieure sous-jacente en matériau polymérique, du type ABS.Other methods have also been proposed to allow the integration of additional decorative elements of the upper protective layer. So, the Applicant described in the document EP 0 615 773 , a method which consists in producing an upper assembly which comprises superimposed the upper protective layer and an underlying lower layer of polymeric material, of the ABS type.

La couche supérieure de protection possède une ou plusieurs ouvertures formant des fenêtres. Lors de l'opération de moulage, les pressions qui s'exercent provoquent la déformation de la couche sous-jacente de l'ensemble supérieur, qui vient emplir la fenêtre de la couche supérieure de protection, en étant bloquée au niveau supérieur par le couvercle du moule. Ce procédé n'est pas non plus applicable à l'emploi d'éléments additionnels de décoration à base de matériaux fibreux et en particulier textile. En effet, ces matériaux présentent une porosité et une capillarité qui les rend perméables à la résine qui imprègne les couches de renforts situées sous l'ensemble supérieur.The upper protective layer has one or more openings forming windows. During the molding operation, the pressures exerted cause the deformation of the underlying layer of the upper assembly, which fills the window of the upper protective layer, being blocked at the upper level by the cover of the mold. This method is not applicable to the use of additional decorative elements based on fibrous materials and in particular textile. Indeed, these materials have a porosity and a capillarity that makes them permeable to the resin that impregnates the layers of reinforcements located under the upper assembly.

Un procédé dérivé a été décrit dans le document EP 0 774 280 , qui décrit la réalisation d'un ensemble supérieur, en vue de sa mise en place ultérieure dans un moule pour l'opération de fabrication de la planche. Cet ensemble supérieur comporte une couche supérieure possédant des fenêtres à l'intérieur desquelles sont insérés des éléments de décoration additionnels à base de matériau polymérique transparent ou translucide. Cet élément additionnel est solidarisé à la couche supérieure de protection par une étape de placage à chaud, collage ou soudage. Il est évident qu'un tel procédé n'est pas applicable ou transposable à l'emploi d'éléments additionnels en matériau fibreux et textile en particulier. En effet, la capillarité d'un tel matériau provoquerait inévitablement la pénétration au moins partielle des matériaux fluides présents à proximité lors du moulage, et en particulier la résine des couches de renfort mécanique, et dans une moindre mesure le matériau de la couche supérieure de protection lors de la réalisation de l'ensemble supérieur.A derivative process has been described in the document EP 0 774 280 , which describes the production of an upper assembly, for subsequent placement in a mold for the operation of manufacturing the board. This upper assembly comprises an upper layer having windows inside which are inserted additional decorative elements based on transparent or translucent polymeric material. This additional element is secured to the upper protective layer by a hot plating step, bonding or welding. It is obvious that such a method is not applicable or transferable to the use of additional elements of fiber material and textile in particular. Indeed, the capillarity of such a material would inevitably cause at least partial penetration of the fluid materials present in the vicinity during molding, and in particular the resin of the mechanical reinforcing layers, and to a lesser extent the material of the upper layer of protection when carrying out the upper assembly.

L'objectif de l'invention est donc de permettre l'emploi de matériaux présentant une certaine capillarité en vue de les intégrer en tant qu'élément additionnel de décoration dans une partie de l'ensemble supérieur, et ce malgré la proximité de couches de renfort imprégnées de résine ayant une tendance naturelle à migrer lors de l'opération de moulage.The object of the invention is therefore to allow the use of materials having a certain capillarity with a view to integrating them as an additional decorative element in a part of the upper assembly, despite the proximity of layers of reinforcement impregnated with resin having a natural tendency to migrate during the molding operation.

Exposé de l'inventionPresentation of the invention

L'invention concerne donc une planche de glisse sur neige qui comporte un noyau recouvert d'un ensemble supérieur. De façon classique, cet ensemble supérieur comprend au moins une couche de renfort imprégnée d'une résine polymérisée, et une couche supérieure de protection formant la face supérieure, et qui présente une ouverture traversante. L'ensemble supérieur comporte également un élément additionnel de décoration, qui est présent à l'intérieur de l'ouverture faite dans la couche supérieure. Cet élément additionnel s'étend sous la couche supérieure de protection en périphérie de cette ouverture.The invention therefore relates to a snow board on snow which has a core covered with an upper assembly. In a conventional manner, this upper assembly comprises at least one reinforcing layer impregnated with a polymerized resin, and an upper protective layer forming the upper face, and which has a through opening. The upper assembly also includes an additional decorative element, which is present inside the opening made in the upper layer. This additional element extends under the upper protective layer at the periphery of this opening.

Conformément à l'invention, la planche se caractérise en ce que l'élément additionnel de décoration est formé d'une couche en un matériau fibreux. Par fibreux, on entend principalement les matériaux textiles, et en particulier les étoffes tissées ou tricotées mais également les étoffes textiles à base de matériaux non tissés.According to the invention, the board is characterized in that the additional decorative element is formed of a layer of fibrous material. By fibrous is meant mainly textile materials, and in particular woven or knitted fabrics but also textile fabrics based on nonwoven materials.

Par extension, on entend également les matériaux qui présentent une certaine capillarité, et en particulier le cuir, les papiers cartonnés ou des matériaux synthétiques analogues.By extension, we also mean materials that have a certain capillarity, and in particular leather, paperboard or similar synthetic materials.

Conformément à l'invention, l'ensemble supérieur comporte également une couche d'un matériau polymérique formant barrière d'étanchéité entre l'élément additionnel de décoration et la résine de la couche de renfort mécanique. Cette couche étanche s'étend sous l'élément additionnel de décoration en débordant de ce dernier pour venir au contact de la face inférieure de la couche supérieure de protection.According to the invention, the upper assembly also comprises a layer of a polymeric material forming a sealing barrier between the additional decorative element and the resin of the mechanical reinforcing layer. This waterproof layer extends under the additional decorative element protruding from the latter to come into contact with the lower face of the upper protective layer.

Autrement dit, l'invention consiste à employer en tant qu'élément additionnel de décoration des couches en matériau présentant une certaine capillarité, et à empêcher toute migration des matériaux fluides, et en particulier de la résine de renfort lors de l'opération d'injection en protégeant cet élément additionnel fibreux par l'interposition d'une couche étanche qui l'isole de toute infiltration du matériau fluide.In other words, the invention consists in using, as an additional decoration element, layers of material having a certain capillarity, and in preventing any migration of the fluid materials, and in particular of the reinforcing resin during the operation of injection protecting this additional fibrous element by the interposition of a waterproof layer which isolates it from any infiltration of the fluid material.

Le matériau fibreux de décoration conserve donc son aspect et son touché. Un touché textile peut en effet être particulièrement appréciable non seulement pour ses qualités esthétiques, mais également par le fait qu'il diminue la sensation de froid à son contact, du fait de l'emprisonnement d'une couche d'air entre les fibres du textile. De plus, un décor à base de textile est naturellement moins sujet aux rayures qu'une couche polymérique classique.The fibrous decoration material thus retains its appearance and touch. A textile touch can indeed be particularly appreciable not only for its aesthetic qualities, but also by the fact that it reduces the sensation of cold contact, due to the imprisonment of a layer of air between the fibers of the textile. In addition, a textile-based decor is naturally less subject to scratching than a conventional polymeric layer.

En pratique, le principe de l'invention peut être mis en oeuvre de différentes manières, et en particulier en utilisant un élément de décoration additionnel par ouverture réalisée dans la couche supérieure de protection, ou bien encore en utilisant un élément additionnel de décoration qui est commun à plusieurs ouvertures traversantes. Et en pratique, ces ouvertures traversantes peuvent réaliser des motifs avec une totale liberté de forme, et en particulier pour réaliser des marquages de type alphabétiques ou des motifs de très petites dimensions. Il est également possible que l'ouverture traversante s'étende jusqu'au chant de la planche, de telle sorte l'élément additionnel textile est présent jusque sur les bords de la planche.In practice, the principle of the invention can be implemented in different ways, and in particular by using an additional decorative element by opening made in the upper protective layer, or even by using an additional element of decoration which is common to several through openings. And in practice, these through openings can realize patterns with complete freedom of shape, and in particular to achieve alphabetic type markings or patterns of very small dimensions. It is also possible that the through opening extends to the edge of the board, so that the additional textile element is present to the edges of the board.

En pratique, il peut être avantageux que l'élément additionnel de décoration présente une fraction de son pourtour qui suit le contour de l'ouverture traversante. Autrement dit, l'élément additionnel déborde sous la couche supérieure de protection par une bande qui présente une largeur sensiblement constante. Cette largeur peut être déterminée pour éviter tout risque d'arrachement de matériaux textiles.In practice, it may be advantageous that the additional decorative element has a fraction of its periphery which follows the contour of the through opening. In other words, the additional element protrudes under the upper protective layer by a band which has a substantially constant width. This width can be determined to avoid any risk of tearing of textile materials.

Ainsi, rapporté à la taille du motif, le débordement de l'élément additionnel est proportionnellement plus important lorsque les ouvertures sont de petites dimensions.Thus, relative to the size of the pattern, the overflow of the additional element is proportionally greater when the openings are small.

En pratique, il est préférable que l'élément additionnel de décoration déborde du pourtour de l'ouverture traversante d'une distance supérieure à 5 mm , cette distance étant fonction de la taille du motif et du type de matériau textile utilisé en particulier sa déformabilité.In practice, it is preferable that the additional decorative element protrude from the perimeter of the through opening by a distance greater than 5 mm, this distance being a function of the size of the pattern and the type of textile material used in particular its deformability .

De même, il est préférable que la couche d'étanchéité déborde du pourtour de l'élément additionnel d'une distance supérieure à 5 mm, et ce pour assurer une étanchéité la plus complète possible et éviter toute pénétration ou migration de résine qui viendrait polluer l'élément additionnel textile.Likewise, it is preferable for the sealing layer to protrude beyond the periphery of the additional element by a distance greater than 5 mm, in order to ensure the most complete seal possible and to prevent any penetration or migration of resin which would pollute. the additional textile element.

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 coupe transversale d'une planche, conformément à l'invention.
  • La figure 2 est une vue en perspective sommaire montrant la mise en place des différents éléments permettant la réalisation d'une planche conforme à l'invention.
The manner of carrying out the invention, as well as the advantages resulting therefrom, will emerge from the description of the embodiment which follows, in support of the appended figures in which:
  • The figure 1 is a cross-sectional view of a board, according to the invention.
  • The figure 2 is a perspective perspective view showing the establishment of the various elements for the realization of a board according to the invention.

Manière de réaliser l'inventionWay of realizing the invention

Comme illustré à la figure 1, une planche de glisse (1) inclut classiquement un ensemble inférieur comportant une semelle (2) bordée de carres (3). Sur cet ensemble supérieur repose un noyau (4) qui peut être obtenu de différentes manières, soit à partir d'un noyau fabriqué dans une opération préalable, soit par un noyau réalisé pendant une opération d'injection.As illustrated in figure 1 , a gliding board (1) conventionally includes a lower assembly comprising a sole (2) bordered with edges (3). On this upper assembly rests a core (4) which can be obtained in different ways, either from a core made in a prior operation, or by a core made during an injection operation.

Dans certains types de planches, ce noyau (4) peut être bordé d'éléments longitudinaux de renforcement (5) constituant tout ou partie des chants de la planche. Toutefois, l'invention n'étant en aucun cas limité à ce type de structure, mais couvre également des structures classiques de type "sandwich" ou "coque".In certain types of planks, this core (4) may be bordered by longitudinal reinforcing elements (5) constituting all or part of the edges of the board. However, the invention is in no way limited to this type of structure, but also covers conventional structures of "sandwich" or "shell" type.

Le noyau (4) est recouvert d'un ensemble supérieur (10) qui est composé dans la forme illustrée à la figure 1 d'une couche supérieure de protection (11), d'une couche de renfort (12), et conformément à l'invention d'une couche (13) formant l'élément additionnel de décoration, associée à une couche d'étanchéité (14).The core (4) is covered with an upper assembly (10) which is composed in the form illustrated in FIG. figure 1 an upper protective layer (11), a reinforcing layer (12), and according to the invention a layer (13) forming the additional decorative element, associated with a sealing layer ( 14).

Bien entendu, l'ensemble supérieur peut comporter également d'autres éléments de renfort ou autres, qui n'ont pas été représentés puisqu'elles n'ont pas d'influence directe sur l'invention.Of course, the upper assembly may also include other reinforcing elements or others, which have not been shown since they have no direct influence on the invention.

La couche supérieure de protection (11) est réalisée classiquement à base d'un matériau polymérique de type thermoplastique, et peut recevoir sur sa face inférieure (16) différentes couches d'encre ou de vernis, sans rapport direct avec la présente invention. Dans certaines variantes de réalisation, la couche supérieure de protection peut être réalisée à base de feuilles de divers matériaux, tel que des feuilles à base de bois, en particulier de bambou ou analogue, et de façon générale de toute autre matière végétale. Il peut également s'agir de textiles différents de ceux formant l'élément additionnel, en termes de matières, de couleur, ou plus généralement d'aspect.The upper protective layer (11) is conventionally made of a thermoplastic polymeric material, and can receive on its underside (16) different layers of ink or varnish, not directly related to the present invention. In certain embodiments, the upper protective layer may be made from sheets of various materials, such as wood-based sheets, in particular bamboo or the like, and generally any other plant material. It may also be textiles different from those forming the additional element, in terms of materials, color, or more generally appearance.

Cette couche supérieure de protection (11) possède des ouvertures traversantes. Ces ouvertures peuvent être localisées et présenter un contour fermé lorsqu'elles sont situées, comme l'ouverture (20) dans la partie centrale de la couche supérieure de protection (11). Ces ouvertures (21) peuvent également s'étendre jusqu'en bordure de la couche supérieure de protection, de sorte qu'elles définissent une fenêtre qui s'étend jusqu'au chant (5) de la planche. Ces ouvertures sont réalisées de manière classique par toute opération de poinçonnage, emboutissage ou découpage.This upper protective layer (11) has through openings. These openings may be located and have a closed contour when located, such as the opening (20) in the central portion of the upper protective layer (11). These openings (21) may also extend to the edge of the upper protective layer, so that they define a window that extends to the edge (5) of the board. These openings are made in a conventional manner by any punching, stamping or cutting operation.

L'ensemble supérieur (10) comporte également une couche de renfort fibreux (12) qui peut être réalisé de différentes manières, et en particulier à base d'une ou plusieurs nappes de fils, tissés ou non. Cette nappe (12) est imprégnée d'une résine thermodurcissable, qui lorsqu'elle est totalement réticulée confère une grande rigidité à la nappe qui contribue à la raideur de la planche.The upper assembly (10) also comprises a fibrous reinforcing layer (12) which can be made in different ways, and in particular based on one or more plies of yarn, woven or not. This sheet (12) is impregnated with a resin thermosetting, which when fully crosslinked gives a high rigidity to the sheet which contributes to the stiffness of the board.

Typiquement, les résines employées peuvent être à base de composés Epoxy ou polyuréthanne.Typically, the resins employed may be based on epoxy or polyurethane compounds.

Conformément à l'invention, la couche supérieure (11) comporte également une couche (13) formant l'élément additionnel de décoration. Cette couche peut être réalisée comme déjà évoquée, par divers type de matériau selon l'effet que l'on souhaite obtenir. A titre d'exemple, on peut citer des étoffes tissées du style toile Denim, pouvant avoir subi des opérations de vieillissement, et qui possède une bonne résistance aux rayures et aux chocs de carres, ou bien encore des étoffes présentant une épaisseur plus importante, du type tricot de laine en particulier. Ce textile peut également inclure différents éléments de décoration supplémentaire, tel que des motifs imprimés ou des éléments tels que broderies, coutures ou analogue. Il peut également s'agir de textiles ajourés, tels que des dentelles ou analogues, dans la mesure où l'élément additionnel est séparé du reste de la structure de la planche par une couche étanche (14).According to the invention, the upper layer (11) also comprises a layer (13) forming the additional decorative element. This layer can be made as already mentioned, by various types of material depending on the effect that it is desired to obtain. By way of example, mention may be made of woven fabrics of the Denim-style canvas, which may have undergone aging operations, and which has a good resistance to scratches and edge impacts, or even fabrics having a greater thickness, of the wool knit type in particular. This textile may also include various additional decorative elements, such as printed patterns or elements such as embroidery, seams or the like. It may also be perforated fabrics, such as lace or the like, insofar as the additional element is separated from the rest of the structure of the board by a waterproof layer (14).

Ainsi, conformément à l'invention, cette couche (13) est recouverte sur sa face inférieure d'une couche étanche (14), qui peut typiquement être réalisée à base d'un film du type multicouche pour assurer une bonne étanchéité et un collage aux couches adjacentes. De manière à empêcher toute migration de résine depuis la couche de renfort (12) vers la couche textile (13), cette couche (14) déborde du pourtour de la couche textile (13) d'une distance qui est fixée en fonction de la viscosité de la résine employée, aux températures de moulage, de la porosité de la couche textile et des conditions opératoires.Thus, according to the invention, this layer (13) is covered on its underside with a sealing layer (14), which can typically be made based on a multilayer type film to ensure good sealing and bonding. adjacent layers. In order to prevent any resin migration from the reinforcing layer (12) to the textile layer (13), this layer (14) projects beyond the periphery of the textile layer (13) by a distance which is set according to the viscosity of the resin employed, at molding temperatures, the porosity of the textile layer and the operating conditions.

En pratique, cette distance e2 peut être de l'ordre de quelques millimètres.In practice, this distance e 2 may be of the order of a few millimeters.

De même, la couche textile (13) déborde sous la couche supérieure de protection (11) d'une distance e1 au-delà des bordures (25) des ouvertures (20), pour assurer un bon maintien de la couche textile et éviter son déplacement en cours d'utilisation.Similarly, the textile layer (13) protrudes under the upper protective layer (11) by a distance e 1 beyond the borders (25) of the openings (20), to ensure a good maintenance of the textile layer and avoid its displacement during use.

En pratique, la réalisation des motifs peut être obtenue selon divers procédés. Ainsi, il peut s'agir comme illustré à la figure 2, de procédé dans lequel le noyau a préalablement été réalisé par des opérations d'assemblage, d'usinage ou moulage.In practice, the realization of the patterns can be obtained according to various methods. Thus, it can be as illustrated in figure 2 method in which the core has previously been made by assembly, machining or molding operations.

Ainsi, le noyau (4) est mis en place dans un moule avec les différents éléments constitutifs de l'ensemble inférieur. Ce noyau est recouvert de la couche (12) de renfort pré-imprégnée d'une résine thermodurcissante. La pièce (14) destinée à former la couche étanche est ensuite disposée sur la couche de renfort (12). Les dimensions de cette pièce (14), qui sont supérieures à celles de la pièce textile (13) et des ouvertures (27) permettent sa mise en place avec une certaine tolérance.Thus, the core (4) is placed in a mold with the different components of the lower set. This core is covered with the reinforcing layer (12) pre-impregnated with a thermosetting resin. The part (14) intended to form the sealing layer is then placed on the reinforcing layer (12). The dimensions of this piece (14), which are greater than those of the textile piece (13) and openings (27) allow its implementation with a certain tolerance.

L'élément additionnel de décoration (13) est ensuite disposé sur la couche étanche (14), en laissant une bande périphérique (28), qui est destinée à venir au contact de la face inférieure de la couche supérieure de protection (11). Cette couche supérieure de protection est ensuite mise en place sur les éléments préalablement disposés de telle sorte que le motif (27) se trouve centré par rapport à la couche textile (13).The additional decorative element (13) is then arranged on the sealing layer (14), leaving a peripheral band (28), which is intended to come into contact with the lower face of the upper protective layer (11). This upper protective layer is then placed on the elements previously arranged so that the pattern (27) is centered relative to the textile layer (13).

Le couvercle du moule est ensuite refermé et l'application d'une pression provoque d'une part la réticulation de la résine contenue dans la couche de renfort (12) et la déformation des différents couches de telle sorte que le volume formé par les ouvertures (20, 21) est comblé par la couche textile (13). Ce textile conserve donc sur sa face apparente son aspect d'origine.The lid of the mold is then closed again and the application of a pressure causes, on the one hand, the crosslinking of the resin contained in the reinforcing layer (12) and the deformation of the various layers so that the volume formed by the openings (20, 21) is filled by the textile layer (13). This textile therefore retains on its apparent face its original appearance.

D'autres procédés peuvent être mis en oeuvre dans lesquels la couche textile est solidarisée à la couche supérieure de protection, par des opérations préalables d'assemblage, pour faciliter la manipulation de cet ensemble supérieur. Cet assemblage peut être obtenu par exemple par l'intermédiaire de la couche d'étanchéité, ou par collage spécifique, couture ou analogue. Dans le cas de la couture, le fil de couture qui assure l'assemblage peut être utilisé pour créer un décor tel qu'une broderie, en passant de façon continue des zones apparentes de la couche textile de l'élément additionnel à la couche supérieure de protection.Other methods can be implemented in which the textile layer is secured to the upper protective layer, by prior assembly operations, to facilitate handling of the upper assembly. This assembly can be obtained for example via the layer sealing, or by specific gluing, sewing or the like. In the case of sewing, the sewing thread that assembles can be used to create a decoration such as embroidery, by continuously passing visible areas of the textile layer of the additional element to the upper layer protection.

Il est également possible de réaliser en préalable l'ensemble supérieur intégrant la couche textile pour l'assemblage avec un noyau préalablement fabriqué.It is also possible to previously make the upper assembly incorporating the textile layer for assembly with a previously manufactured core.

Il ressort de ce qui précède que l'invention permet la réalisation de planches de glisse qui possèdent des motifs localisés, réalisés à partir d'un matériau textile présentant donc un aspect et un touché attractif.It follows from the above that the invention allows the realization of gliding boards which have localized patterns, made from a textile material thus having an attractive appearance and touch.

L'invention permet en particulier l'emploi de ce type de matériau malgré la présence à sa proximité directe de matières fluides qui pourraient venir la polluer.The invention allows in particular the use of this type of material despite the presence in its direct vicinity of fluid materials that could come pollute.

Claims (9)

Planche (1) de glisse sur neige, comportant un noyau (4) recouvert d'un ensemble supérieur (10), qui comprend : ■ une couche de renfort (12) imprégnée d'une résine polymérisée, ■ une couche supérieure (11) de protection présentant une ouverture traversante (20, 21), ■ et un élément additionnel (13) de décoration présent à l'intérieur de ladite ouverture (2) en s'étendant sous la couche supérieure de protection (11) en périphérie de ladite ouverture, caractérisée en ce que l'élément additionnel (13) de décoration est formé d'une couche d'un matériau fibreux, et qu'elle comporte une couche (14) d'un matériau polymérique formant barrière d'étanchéité entre ledit élément additionnel (13) et la résine de la couche de renfort (12), ladite couche étanche (14) s'étendant sous l'élément additionnel en débordant dudit élément (13) pour venir au contact de la face inférieure (16) de la couche supérieure de protection (11).Board (1) sliding on snow, comprising a core (4) covered with an upper assembly (10), which comprises: A reinforcing layer (12) impregnated with a polymerized resin, An upper protective layer (11) having a through opening (20, 21), And an additional decorative element (13) present inside said opening (2) extending under the upper protective layer (11) at the periphery of said opening, characterized in that the additional decorative element (13) is formed of a layer of fibrous material, and comprises a layer (14) of polymeric material forming a barrier between said additional element ( 13) and the resin of the reinforcing layer (12), said sealing layer (14) extending under the additional element protruding from said member (13) to contact the underside (16) of the upper layer protection (11). Planche de glisse selon la revendication 1, caractérisée en ce que l'élément additionnel (13) de décoration est en matériau textile.Gliding board according to Claim 1, characterized in that the additional decorative element (13) is made of textile material. Planche de glisse selon la revendication 2, caractérisée en ce que l'élément additionnel (13) de décoration est une étoffe tissée.Gliding board according to claim 2, characterized in that the additional decorative element (13) is a woven fabric. Planche de glisse selon la revendication 2, caractérisée en ce que l'élément additionnel (13) de décoration est une étoffe textile ajourée.Gliding board according to Claim 2, characterized in that the additional decorative element (13) is a perforated textile fabric. Planche de glisse selon la revendication 1, caractérisée en ce que la couche supérieure de protection (11) possède plusieurs ouvertures traversantes (20, 21) sous lesquelles s'étendent un élément additionnel de décoration commun (13).Gliding board according to claim 1, characterized in that the upper protective layer (11) has a plurality of through openings (20, 21) under which extend an additional common decorative element (13). Planche de glisse selon la revendication 1, caractérisée en ce que l'ouverture traversante (21) s'étend jusqu'au chant de la planche.Gliding board according to claim 1, characterized in that the through opening (21) extends to the edge of the board. Planche de glisse selon la revendication 1, caractérisée en ce que l'élément additionnel de décoration (13) déborde du pourtour de l'ouverture traversante (20) d'une distance e1 supérieure à 5 mm.Gliding board according to claim 1, characterized in that the additional decorative element (13) projects beyond the perimeter of the through opening (20) by a distance e 1 greater than 5 mm. Planche de glisse selon la revendication 1, caractérisée en ce que l'élément additionnel (13) présente une fraction de son pourtour qui suit le contour de l'ouverture traversante.Gliding board according to claim 1, characterized in that the additional element (13) has a fraction of its periphery which follows the contour of the through opening. Planche de glisse selon la revendication 1, caractérisée en ce que la couche d'étanchéité (14) déborde du pourtour de l'élément additionnel (13) d'une distance e2 supérieure à 5 mm.Gliding board according to claim 1, characterized in that the sealing layer (14) projects beyond the periphery of the additional element (13) by a distance e 2 greater than 5 mm.
EP08300052A 2007-02-02 2008-01-25 Snowboard with decoration element of fibrous material Active EP1952852B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0753047A FR2912065B1 (en) 2007-02-02 2007-02-02 SNOWBOARD BOARD ON SNOW

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EP1952852A1 true EP1952852A1 (en) 2008-08-06
EP1952852B1 EP1952852B1 (en) 2009-08-26

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WO2014117200A1 (en) * 2013-01-31 2014-08-07 Atomic Austria Gmbh Running base of a board-like winter sports device

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WO2014117200A1 (en) * 2013-01-31 2014-08-07 Atomic Austria Gmbh Running base of a board-like winter sports device

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ATE440647T1 (en) 2009-09-15
FR2912065A1 (en) 2008-08-08
DE602008000103D1 (en) 2009-10-08
US20080185800A1 (en) 2008-08-07
EP1952852B1 (en) 2009-08-26
FR2912065B1 (en) 2009-03-06

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