EP1908500B1 - Snowboard and manufacturing process - Google Patents

Snowboard and manufacturing process Download PDF

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Publication number
EP1908500B1
EP1908500B1 EP07301407A EP07301407A EP1908500B1 EP 1908500 B1 EP1908500 B1 EP 1908500B1 EP 07301407 A EP07301407 A EP 07301407A EP 07301407 A EP07301407 A EP 07301407A EP 1908500 B1 EP1908500 B1 EP 1908500B1
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EP
European Patent Office
Prior art keywords
board
upper assembly
gliding
snow
portions
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
EP07301407A
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German (de)
French (fr)
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EP1908500A1 (en
Inventor
Yann Malroux
Emmanuel Cassibba
Philippe Largueze
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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Publication date
Application filed by Skis Rossignol SA, Rossignol SA filed Critical Skis Rossignol SA
Publication of EP1908500A1 publication Critical patent/EP1908500A1/en
Application granted granted Critical
Publication of EP1908500B1 publication Critical patent/EP1908500B1/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
    • A63C5/12—Making thereof; Selection of particular materials
    • 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
    • A63C5/12—Making thereof; Selection of particular materials
    • A63C5/128—A part for the binding being integrated within the board structure, e.g. plate, rail, insert
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/003—Non-swivel sole plate fixed on the ski

Definitions

  • the invention relates to the field of sliding boards on snow, such as skis, surfboards or the like. It relates more particularly to a method allowing the manufacture of boards incorporating the additional rigid elements present on its upper face.
  • the kernels of the skis are made by injecting different components reacting in situ inside a mold, to cause the formation of a polyurethane foam constituting the core.
  • the core comes to press the upper assembly under the mold cover to give it its final shape.
  • the upper assembly comprises several layers and in particular a fibrous reinforcement, it is necessary to join, for example by gluing, this reinforcing layer under the upper layer of protection and decoration which itself comes into contact with the mold cover.
  • skis or more generally gliding boards, in which a pre-made core is used are also known.
  • the core is made by a specific machining or molding operation, and is then assembled in a mold with the upper and lower assemblies.
  • One of the objectives of the invention is to allow easy and firm positioning of the additional elements on the upper assembly during the manufacturing process, while ensuring a very strong anchoring in the structure of the board.
  • this rigid element comprises anchoring portions, which are located below and at the lower face of one of the layers of the upper assembly. These anchoring portions form a stop which cooperates with the lower face of this layer, so as to grip all or part of the layers of the upper assembly between the lower face of the apparent portion of the rigid element and this stop. In this way, it prevents the displacement of the rigid elements relative to the upper assembly.
  • the invention consists in firmly locking the rigid element, without any possibility of deflection, by using an anchoring portion which comes into contact with the lower face of the upper assembly.
  • the upper assembly is sandwiched between the characteristic anchoring portions and the outer portion of the additional element, which is pressed directly against the upper face of the board.
  • the anchoring portions are no longer embedded in the core of the core, in the case where it is injected, so that the risks of tearing are greatly reduced.
  • the anchoring portions may be formed by the ends of the through portions, which are curved substantially parallel to the lower face of the upper assembly. These curved ends come into contact with the lower face of the upper assembly and prevent any movement of the additional element in a direction perpendicular to the upper assembly.
  • the anchoring portions may be formed by locking members mounted on the through portions, and coming into contact with the lower face of one of the layers of the upper assembly.
  • additional members are placed on the through portions, so as to flush under a layer of the upper assembly, and prevent the displacement of additional rigid elements relative to the upper assembly.
  • these locking members may be clamping washers, pins and other members which pass through the through portions extending parallel to a layer of the lower face of the upper assembly coming from the tangenter.
  • the anchoring portion or portions of the additional element can sandwich all or part of the upper assembly.
  • the anchoring portions can come into direct contact with the underside of the top layer of protection. This mode is particularly suitable for additional elements that are not mechanically stressed.
  • the characteristic anchoring portions come into contact with the lower face of the upper protective layer, it is also possible to cover these anchoring portions, and the remainder of the upper protective layer, with a fibrous reinforcement .
  • the upper assembly may also include one or more fibrous reinforcement layers which are traversed by the through portions.
  • the anchoring portions come to bear directly under these fibrous reinforcement layers, and maintain the same with respect to the upper protective layer.
  • the fibrous reinforcements may be impregnated with a mechanizing resin intended to polymerize during the injection, or else be stiffened by a previously polymerized mechanizing resin.
  • the upper assembly includes complementary layers, such as for example one or more layers based on deformable polymeric material, in some cases having viscoelastic properties, in order to contribute to the damping of the board.
  • the through portions of the rigid additional element may be constituted by spikes, advantageously self-piercing, which allow to pass through the upper protective layer, and possibly the fibrous reinforcement without the need for a preliminary drilling operation.
  • the implementation of these elements can be likened to the installation of rivets.
  • the rigid additional element may have, on its face in contact with the upper protective layer, a prominent region encircling the through portions. In this way, this protruding portion partially penetrates the deformable material of the upper protective layer. It thus constitutes a watertight barrier with respect to the possible rise of the resin reinforcements or core through the passage openings of the through portions.
  • These possible resin lifts are thus circumscribed under the rigid additional element, and are not likely to overflow on the upper face of the board.
  • the resin lifts can also be avoided by placing a waterproof film, present under the anchoring portions, and preventing any passage of material through the holes through which the through portions pass.
  • the additional rigid element can take on a variety of shapes and have various functions.
  • this rigid element is partially embedded in the upper protective layer. This is particularly the case when this additional element is a decorative member which it is desired that it is flush only at the upper face of the board.
  • the apparent portion of this rigid element may comprise at least one prominent zone, such as a snap, hook or other type, capable of ensuring the attachment of an accessory to the board.
  • the apparent portion of the rigid element may be surmounted by a member of polymeric material, of the compressible foam type. This foam may for example be compressed by the pressure exerted during the molding operation. The resilience of the material causes that after demolding, the foam re-increases in volume to form a prominent and compressible portion on the upper face of the board. In particular, it may be zones making it easier to grip the board.
  • the additional element of accommodating on its upper face the abutment or heel of a safety fastener, or more generally any member capable of undergoing great efforts. amplitude.
  • the anchoring of the additional element just under the reinforcement of the upper assembly improves the strength and tear resistance, which are imperative qualities for this type of functions.
  • the additional rigid elements are likely to be placed on the upper surface of a gliding board of very different and varied nature, so that the one shown in FIG. figure 1 is given only as an example, and in no way limits the invention.
  • the rigid additional element (1) illustrated in FIG. figure 1 consists mainly of a plate (2) forming the apparent portion of the additional element, and which can support on its upper face, different mechanisms or not shown holes, in particular for the establishment of the elements of the security fastener for example.
  • This apparent portion (2) has on its underside four through portions (3) in the form of platelets extending perpendicularly to the plate (2).
  • the through portions (3) are arranged in two spaced pairs, and each comprise a bore (4) for receiving the anchoring portions.
  • the plate (1) is intended to be secured to the upper assembly (10) constituted by the illustrated form of the upper protective and decorative layer (11) and a fibrous reinforcing layer (12), typically based on a glass yarn fabric coated with a thermosetting resin. Openings (14) are made both in the upper protective layer (11) and the fibrous reinforcement (12) so as to allow passage of the through portions (3). So, and as illustrated in figure 3 the anchoring portions (16) formed by pins penetrate the openings (4) present in the anchoring portions (3) so that these pins (16) are flush with the underside (15) of the reinforcement (12). Thus, the reinforcing layer (12) is locked between the upper protective layer (11) and the pins (16), and can not move unexpectedly.
  • the positioning of the pins, and more generally anchoring portions can be done by ensuring a slight pressure on the crossed layers, so as to take advantage of a compression of these layers to prevent any unexpected movement of the anchoring portions after their installation. This eliminates any play between the various layers, and especially between the upper face of the board and the apparent portion of the additional elements.
  • the precise position of the openings (4) in the through portions must be precise enough to avoid as much as possible the passage of foam between the underside of the upper assembly and the pins. This prevents the risk of having above the pin, a quantity of foam of the core which is a compressible area, source of play later.
  • pins that pass through not one, but several through portions, or else various form of locking members, as long as they come into contact at least over part of their length. with the reinforcing layer (12) to prevent movement.
  • the additional rigid element (40) has an apparent portion (42) under which extend the through portions (43) formed of tips whose ends (44) are self piercing.
  • the underside (45) of the exposed portion (42) has a prominent region (46) extending peripherally surrounding the through areas (43).
  • the introduction of the additional element (41) is done by drilling the upper protective layer (11).
  • a reinforcing layer (49), in particular fibrous, can then be glued or assembled by any means under the upper protective layer (11), so as to form an upper assembly easily manipulated without risk of falling additional elements.
  • the invention allows a place on a board of additional rigid elements by a method that facilitates handling operations of the upper assembly. Indeed, its additional elements pinch the upper assembly, which ensures a precise and definitive positioning, while maintaining the reinforcement layers. In addition, these additional rigid elements are anchored closer to the reinforcing layers, which ensures them good resistance to tearing.

Landscapes

  • Laminated Bodies (AREA)
  • Road Paving Structures (AREA)
  • Sliding-Contact Bearings (AREA)

Abstract

The board has a rigid element (1) with a plate (2) placed on an upper protection and decoration layer (11), and push through portions (3) extending below the plate forming a visible portion. The plate is mounted on a unit made of polymer material e.g. compressible foam. The element has pins (16) located below and at the level of a lower surface of a polymer reinforcement layer (12) of an upper assembly (10). The pins form a stop cooperating with the surface to block the layers between a plate's lower surface and the stop to prevent the displacement of the element with respect to the assembly. An independent claim is also included for a method for fabricating an upper assembly for a sliding board.

Description

DOMAINE DE L'INVENTIONFIELD OF THE INVENTION

L'invention se rattache au domaine des planches de glisse sur neige, tels que les skis, surfs ou analogues. Elle concerne plus particulièrement un procédé autorisant la fabrication de planches intégrant les éléments additionnels rigides présents sur sa face supérieure.The invention relates to the field of sliding boards on snow, such as skis, surfboards or the like. It relates more particularly to a method allowing the manufacture of boards incorporating the additional rigid elements present on its upper face.

ETAT ANTERIEUR DE LA TECHNIQUEPRIOR STATE OF THE TECHNIQUE

De façon générale, une planche de glisse comporte un noyau central sous lequel se trouve un ensemble inférieur incluant principalement une semelle de glisse, des carres et un ou plusieurs renforts inférieurs. Le noyau est recouvert d'un ensemble supérieur qui intègre une couche supérieure de protection et de décoration et, également dans la plupart des cas, une ou plusieurs couches de renfort, qui peuvent être des renforts métalliques ou des renforts fibreux imprégnés d'une résine mécanisante. Ces renforts sont destinés à augmenter la rigidité de la planche et lui conférer des propriétés mécaniques de résistance à la flexion.In general, a gliding board has a central core under which there is a lower assembly mainly comprising a gliding sole, edges and one or more lower reinforcements. The core is covered with a top assembly that incorporates a top layer of protection and decoration and, in most cases, one or more reinforcing layers, which may be metal reinforcements or fibrous reinforcements impregnated with a resin mechanizing. These reinforcements are intended to increase the rigidity of the board and give it mechanical properties of flexural strength.

Selon une première technique largement employée, les noyaux des skis sont réalisés par injection de différents composants réagissant in situ à l'intérieur d'un moule, pour provoquer la formation d'une mousse de polyuréthane constituant le noyau. Lors de ce procédé, le noyau vient plaquer l'ensemble supérieur sous le couvercle du moule pour lui donner sa forme définitive. On conçoit que, lorsque l'ensemble supérieur comporte plusieurs couches et en particulier un renfort fibreux, il est nécessaire de solidariser, par exemple par collage cette couche de renfort sous la couche supérieure de protection et de décoration qui vient elle-même au contact du couvercle du moule.According to a first widely used technique, the kernels of the skis are made by injecting different components reacting in situ inside a mold, to cause the formation of a polyurethane foam constituting the core. During this process, the core comes to press the upper assembly under the mold cover to give it its final shape. It is conceivable that, when the upper assembly comprises several layers and in particular a fibrous reinforcement, it is necessary to join, for example by gluing, this reinforcing layer under the upper layer of protection and decoration which itself comes into contact with the mold cover.

On connaît également d'autres mode de fabrications de skis, ou plus généralement de planches de glisse, dans lesquels on utilise un noyau réalisé préalablement. Ainsi, le noyau est réalisé par une opération d'usinage ou de moulage spécifique, et il est ensuite assemblé dans un moule avec les ensembles supérieur et inférieur.Other methods of manufacturing skis, or more generally gliding boards, in which a pre-made core is used are also known. Thus, the core is made by a specific machining or molding operation, and is then assembled in a mold with the upper and lower assemblies.

Dans certains cas, il peut être nécessaire, pour différentes raisons, que la face supérieure de la planche comporte des éléments additionnels destinés à des fonctions de décoration ou des fonctions techniques telles que l'accrochage de divers éléments, d'amortissement notamment. Un problème se pose donc généralement pour disposer ces différents éléments supplémentaires sur l'ensemble supérieur, d'une manière qui autorise la mise en place de cet ensemble supérieur dans le moule en conservant la position souhaitée de ces éléments additionnels sur la planche. En effet, la mise en place par collage ne peut être satisfaisante dans la mesure où les risques de décollement et d'arrachement de ces éléments additionnels seraient trop importants, lorsqu'ils sont exposés aux chocs lors de l'utilisation ultérieure de la planche. C'est pourquoi ces éléments additionnels présentent généralement une portion apparente située sur la face supérieure de la planche, et une portion traversante, qui s'étend sous la couche supérieure de protection.In some cases, it may be necessary, for different reasons, that the upper face of the board has additional elements for decorative functions or technical functions such as the attachment of various elements, including damping. A problem therefore generally arises to arrange these different additional elements on the upper assembly, in a manner that allows the establishment of this upper assembly in the mold while maintaining the desired position of these additional elements on the board. Indeed, the establishment by gluing can not be satisfactory insofar as the risk of detachment and tearing of these additional elements would be too great, when they are exposed to shocks during the subsequent use of the board. This is why these additional elements generally have an apparent portion located on the upper face of the board, and a through portion, which extends under the upper protective layer.

Des solutions ont été proposées pour assurer le maintien de ces éléments additionnels par rapport à l'ensemble supérieur lors de l'opération de moulage. Ainsi, dans le document EP 1 479 416 , il est prévu d'utiliser un système de goupille ou similaire, enclenché sur la portion traversante de l'élément additionnel, pour ainsi éviter qu'il ne puisse s'échapper de l'ensemble supérieur lors des différentes manipulations préalables au moulage. Cette goupille se retrouve noyée à l'intérieur de la mousse constituant le noyau, ce qui assure un ancrage de l'élément additionnel dans la structure de la planche. Toutefois, un inconvénient de cette technique réside dans le fait que, pour faciliter l'ancrage de la goupille, celle-ci est mise en place de telle sorte qu'elle autorise un léger débattement de l'élément additionnel par rapport à l'ensemble supérieur. Ce débattement peut, dans certains cas, engendrer des défauts de positionnement. En outre, la goupille ancre l'élément additionnel à l'intérieur de la mousse du noyau, qui possède de faibles propriétés mécaniques de résistance à l'arrachement. Il s'ensuit que des jeux mécaniques peuvent apparaître lorsque l'élément additionnel est fortement sollicité, avec même des risques d'arrachement. Des systèmes du même type sont décrits dans le document FR 2882 269 .Solutions have been proposed to maintain these additional elements relative to the upper assembly during the molding operation. So, in the document EP 1 479 416 , it is intended to use a pin system or the like, engaged on the through portion of the additional element, so as to prevent it from escaping from the upper assembly during the various manipulations prior to molding. This pin is found embedded inside the foam constituting the core, which ensures anchoring of the additional element in the structure of the board. However, a disadvantage of this technique lies in the fact that, to facilitate the anchoring of the pin, it is set up so that it allows a slight movement of the additional element relative to the assembly. superior. This movement may, in certain cases, cause positioning defects. In addition, the pin anchors the additional element within the core foam, which has poor mechanical pull-out properties. It follows that mechanical games can appear when the additional element is heavily stressed, with even the risk of tearing. Systems of the same type are described in the document FR 2882 269 .

Une autre solution a également été décrite dans les documents US2005/0248127 et EP 1 669 111 , pour la mise en place sur la face supérieure de la planche d'éléments destinés à servir de rails de montage des éléments de fixation. Pour ce faire, les éléments formant les futurs rails possèdent une portion traversante qui s'étend sous la couche supérieure de protection. Les deux rails présents des deux cotés de la planche sont reliés entre eux par des organes transversaux qui se retrouvent ensuite noyés à l'intérieur de la mousse du noyau. Les mêmes problèmes jeu mécanique, et de risque d'arrachement proviennent du fait que c'est la mousse du noyau, donc un matériau de faible résistance à l'arrachement, qui assure le maintien de l'élément additionnel.Another solution has also been described in the documents US2005 / 0248127 and EP 1 669 111 , for the establishment on the upper face of the board of elements intended to serve as mounting rails of the fasteners. To do this, the elements forming the future rails have a through portion which extends under the upper protective layer. The two rails present on both sides of the board are connected to each other by transverse members which are then embedded in the interior of the board. core foam. The same problems mechanical play, and risk of tearing come from the fact that it is the core of the foam, so a material of low resistance to tearing, which ensures the maintenance of the additional element.

Par ailleurs, le document EP 1 563 878 décrit une autre solution permettant de mettre en place des rails de montage des éléments de fixation. Cette solution consiste à faire reposer les rails proprement dit sur la face supérieure du ski, et à les bloquer grâce à des pions. Ces pions traversent les rails dans des ouvertures, et se prolongent des évidements prévus dans le noyau préformé du ski. Des éléments de blocage situés sous la face supérieure du ski coopèrent avec certaines parties des pions pour en assurer le maintien. Un tel système présente l'inconvénient majeur d'un nombre important de pièces, avec l'inévitable apparition de jeux mécaniques, ainsi que la nécessité de contrôler plusieurs chaînes de cotes pour sa fabrication et son montage.In addition, the document EP 1,563,878 describes another solution for setting up mounting rails of the fasteners. This solution consists of resting the rails proper on the upper face of the ski, and to block them with pawns. These pins pass through the rails in openings, and extend the recesses provided in the preformed core of the ski. Locking elements located under the upper face of the ski cooperate with certain parts of the pins to maintain it. Such a system has the major disadvantage of a large number of parts, with the inevitable appearance of mechanical games, as well as the need to control several odds chains for its manufacture and assembly.

L'un des objectifs de l'invention est de permettre un positionnement aisé et ferme des éléments additionnels sur l'ensemble supérieur pendant le processus de fabrication, tout en assurant un ancrage très résistant dans la structure de la planche.One of the objectives of the invention is to allow easy and firm positioning of the additional elements on the upper assembly during the manufacturing process, while ensuring a very strong anchoring in the structure of the board.

EXPOSE DE L'INVENTIONSUMMARY OF THE INVENTION

L'invention concerne donc un ensemble supérieur pour planche de glisse comprenant au moins une couche, et notamment une couche supérieure de protection. Cette planche inclut également au moins un élément rigide, métallique ou autre, partiellement apparent sur la face supérieure de la planche. Cet élément rigide comporte une portion apparente qui repose sur la couche supérieure de protection, et une ou plusieurs portions traversantes d'un seul tenant avec la portion apparente qui s'étendent sous la portion apparente, en traversant l'ensemble supérieur.The invention therefore relates to an upper assembly for a gliding board comprising at least one layer, and in particular an upper protective layer. This board also includes at least one rigid element, metallic or otherwise, partially visible on the upper face of the board. This rigid element comprises an apparent portion which rests on the upper protective layer, and one or more through portions integral with the visible portion which extend below the visible portion, passing through the upper assembly.

Conformément à l'invention, cet élément rigide comporte des portions d'ancrage, qui sont situées au dessous et au niveau de la face inférieure d'une des couches de l'ensemble supérieur. Ces portions d'ancrage forment une butée qui coopère avec la face inférieure de cette couche, de manière à enserrer tout ou partie des couches de l'ensemble supérieur entre la face inférieure de la portion apparente de l'élément rigide et cette butée. De la sorte, on empêche le déplacement des éléments rigides par rapport à l'ensemble supérieur.According to the invention, this rigid element comprises anchoring portions, which are located below and at the lower face of one of the layers of the upper assembly. These anchoring portions form a stop which cooperates with the lower face of this layer, so as to grip all or part of the layers of the upper assembly between the lower face of the apparent portion of the rigid element and this stop. In this way, it prevents the displacement of the rigid elements relative to the upper assembly.

Autrement dit, l'invention consiste à bloquer fermement l'élément rigide, sans aucune possibilité de débattement, en utilisant une portion d'ancrage qui vient au contact de la face inférieure de l'ensemble supérieur. De la sorte, l'ensemble supérieur est pris en sandwich entre les portions d'ancrage caractéristiques et la portion extérieure de l'élément additionnel, qui est plaquée directement contre la face supérieure de la planche. Complémentairement, les portions d'ancrage ne sont plus noyées dans le coeur du noyau, dans le cas où celui-ci est injecté, de sorte que les risques d'arrachement sont fortement réduits.In other words, the invention consists in firmly locking the rigid element, without any possibility of deflection, by using an anchoring portion which comes into contact with the lower face of the upper assembly. In this way, the upper assembly is sandwiched between the characteristic anchoring portions and the outer portion of the additional element, which is pressed directly against the upper face of the board. Complementarily, the anchoring portions are no longer embedded in the core of the core, in the case where it is injected, so that the risks of tearing are greatly reduced.

Les portions d'ancrage formant les butées peuvent être réalisées de différentes manières, en fonction de la géométrie des éléments additionnels, et la résistance à l'arrachement qu'ils doivent présenter dans le cadre de l'utilisation normale de la planche.The anchoring portions forming the abutments can be made in different ways, depending on the geometry of the additional elements, and the tear resistance they must present in the context of the normal use of the board.

Ainsi, les portions d'ancrage peuvent être formées par les extrémités des portions traversantes, qui sont recourbées sensiblement parallèlement à la face inférieure de l'ensemble supérieur. Ces extrémités recourbées viennent au contact de la face inférieure de l'ensemble supérieur et empêchent tout mouvement de l'élément additionnel dans une direction perpendiculaire à l'ensemble supérieur. Ce mode de réalisation et particulièrement adapté à la mise en place d'éléments additionnels soumis à de faibles contraintes mécanique. Il peut ainsi notamment s'agir d'éléments intervenant pour des fonctions de décoration.Thus, the anchoring portions may be formed by the ends of the through portions, which are curved substantially parallel to the lower face of the upper assembly. These curved ends come into contact with the lower face of the upper assembly and prevent any movement of the additional element in a direction perpendicular to the upper assembly. This embodiment and particularly suitable for the introduction of additional elements subjected to low mechanical stresses. It can thus notably be elements intervening for decorative functions.

Selon un autre mode de réalisation, les portions d'ancrage peuvent être formées par des organes de blocage montées sur les portions traversantes, et venant au contact de la face inférieure d'une des couches de l'ensemble supérieur. Autrement dit, des organes supplémentaires sont mis en place sur les portions traversantes, de manière à affleurer sous une couche de l'ensemble supérieur, et empêcher le déplacement des éléments additionnels rigides par rapport à l'ensemble supérieur. En pratique, ces organes de blocage peuvent être des rondelles de serrage, goupilles et autres organes qui traversent les portions traversantes s'étendant parallèlement à une couche de la face inférieure de l'ensemble supérieure venant le tangenter.According to another embodiment, the anchoring portions may be formed by locking members mounted on the through portions, and coming into contact with the lower face of one of the layers of the upper assembly. In other words, additional members are placed on the through portions, so as to flush under a layer of the upper assembly, and prevent the displacement of additional rigid elements relative to the upper assembly. In practice, these locking members may be clamping washers, pins and other members which pass through the through portions extending parallel to a layer of the lower face of the upper assembly coming from the tangenter.

En pratique, la ou les portions d'ancrage de l'élément additionnel peuvent prendre en sandwich tout ou partie de l'ensemble supérieur. Ainsi, dans une première forme de réalisation les portions d'ancrage peuvent venir au contact direct de la face inférieure de la couche supérieure de protection. Ce mode est plus particulièrement adapté pour les éléments additionnels peu sollicités mécaniquement. Dans le cas où les portions d'ancrage caractéristiques viennent au contact de la face inférieure de la couche supérieure de protection, il est possible également de recouvrir ces portions d'ancrage, et le reste de la couche supérieure de protection, avec un renfort fibreux.In practice, the anchoring portion or portions of the additional element can sandwich all or part of the upper assembly. Thus, in a first embodiment, the anchoring portions can come into direct contact with the underside of the top layer of protection. This mode is particularly suitable for additional elements that are not mechanically stressed. In the case where the characteristic anchoring portions come into contact with the lower face of the upper protective layer, it is also possible to cover these anchoring portions, and the remainder of the upper protective layer, with a fibrous reinforcement .

Dans une autre forme de réalisation de l'invention, l'ensemble supérieur peut également inclure une ou plusieurs couches de renfort fibreux qui sont traversées par les portions traversantes. Dans ce cas, les portions d'ancrage viennent prendre appui directement sous ces couches de renfort fibreux, et en assurent le maintien par rapport à la couche supérieure de protection. Dans ce cas, il n'est pas nécessaire que ces couches de renfort fibreux soient préalablement solidarisées, par exemple par collage, à la couche supérieure de protection, puisque les portions d'ancrage caractéristiques assurent cette fonction. Les renforts fibreux peuvent être imprégnés d'une résine mécanisante destinée à polymériser lors de l'injection, ou bien encore être rigidifiés par une résine mécanisante préalablement polymérisée. Il est également possible que l'ensemble supérieur inclue des couches complémentaires, tel que par exemple une ou plusieurs couches à base de matériau polymérique déformable, possédant dans certains cas des propriétés viscoélastiques, en vue de contribuer à l'amortissement de la planche.In another embodiment of the invention, the upper assembly may also include one or more fibrous reinforcement layers which are traversed by the through portions. In this case, the anchoring portions come to bear directly under these fibrous reinforcement layers, and maintain the same with respect to the upper protective layer. In this case, it is not necessary that these fibrous reinforcement layers are previously secured, for example by gluing, to the upper protective layer, since the characteristic anchoring portions provide this function. The fibrous reinforcements may be impregnated with a mechanizing resin intended to polymerize during the injection, or else be stiffened by a previously polymerized mechanizing resin. It is also possible that the upper assembly includes complementary layers, such as for example one or more layers based on deformable polymeric material, in some cases having viscoelastic properties, in order to contribute to the damping of the board.

Dans une forme de réalisation particulière, les portions traversantes de l'élément additionnel rigide peuvent être constituées par des pointes, avantageusement auto perçantes, qui permettent de traverser la couche supérieure de protection, et éventuellement le renfort fibreux sans nécessiter d'opération préalable de perçage. La mise en place de ces éléments peut ainsi s'apparenter à la pose de rivets.In a particular embodiment, the through portions of the rigid additional element may be constituted by spikes, advantageously self-piercing, which allow to pass through the upper protective layer, and possibly the fibrous reinforcement without the need for a preliminary drilling operation. . The implementation of these elements can be likened to the installation of rivets.

En pratique, l'élément additionnel rigide peut présenter, sur sa face au contact de la couche supérieure de protection, une zone proéminente encerclant les portions traversantes. De la sorte, cette portion proéminente pénètre partiellement la matière déformable de la couche supérieure de protection. Elle constitue ainsi une barrière étanche vis-à-vis des éventuelles remontées de la résine des renforts ou du noyau à travers les ouvertures de passages des portions traversantes. Ces éventuelles remontées de résine sont ainsi circonscrites sous l'élément additionnel rigide, et ne risquent pas de déborder sur la face supérieure de la planche. Les remontées de résine peuvent également être évitées par la mise en place d'un film étanche, présent sous les portions d'ancrage, et empêchant tout passage de matière par les trous dans lesquels passent les portions traversantes.In practice, the rigid additional element may have, on its face in contact with the upper protective layer, a prominent region encircling the through portions. In this way, this protruding portion partially penetrates the deformable material of the upper protective layer. It thus constitutes a watertight barrier with respect to the possible rise of the resin reinforcements or core through the passage openings of the through portions. These possible resin lifts are thus circumscribed under the rigid additional element, and are not likely to overflow on the upper face of the board. The resin lifts can also be avoided by placing a waterproof film, present under the anchoring portions, and preventing any passage of material through the holes through which the through portions pass.

En pratique, l'élément rigide additionnel peut épouser des formes très variées et avoir des fonctions diverses. Ainsi, il est possible que la portion apparente de cet élément rigide soit partiellement encastrée dans la couche supérieure de protection. Ceci est notamment le cas lorsque cet élément additionnel constitue un organe de décoration dont on souhaite qu'il affleure seulement au niveau de la face supérieure de la planche.In practice, the additional rigid element can take on a variety of shapes and have various functions. Thus, it is possible that the apparent portion of this rigid element is partially embedded in the upper protective layer. This is particularly the case when this additional element is a decorative member which it is desired that it is flush only at the upper face of the board.

Dans d'autres variantes, il est également possible que la portion apparente de cet élément rigide comporte au moins une zone proéminente, du type bouton pression, crochet ou autres, aptes à assurer l'accrochage d'un accessoire sur la planche. Il est également possible que la portion apparente de l'élément rigide soit surmontée d'un organe en matériau polymérique, du type mousse compressible. Cette mousse peut par exemple être comprimée par la pression exercée lors l'opération de moulage. La résilience du matériau fait qu'après démoulage, la mousse ré-augmente de volume pour former une portion proéminente et compressible sur la face supérieure de la planche. Il peut en particulier s'agir de zones facilitant la préhension de la planche.In other variants, it is also possible for the apparent portion of this rigid element to comprise at least one prominent zone, such as a snap, hook or other type, capable of ensuring the attachment of an accessory to the board. It is also possible for the apparent portion of the rigid element to be surmounted by a member of polymeric material, of the compressible foam type. This foam may for example be compressed by the pressure exerted during the molding operation. The resilience of the material causes that after demolding, the foam re-increases in volume to form a prominent and compressible portion on the upper face of the board. In particular, it may be zones making it easier to grip the board.

Parmi les multiples applications de l'invention, on peut citer la possibilité pour l'élément additionnel d'accueillir sur sa face supérieure la butée ou la talonnière d'une fixation de sécurité, ou plus généralement tout organe susceptible de subir des efforts de grande amplitude. L'ancrage de l'élément additionnel juste sous le renfort de l'ensemble supérieur améliore la tenue et la résistance à l'arrachement, qui sont des qualités impératives pour ce type de fonctions.Among the many applications of the invention, mention may be made of the possibility for the additional element of accommodating on its upper face the abutment or heel of a safety fastener, or more generally any member capable of undergoing great efforts. amplitude. The anchoring of the additional element just under the reinforcement of the upper assembly improves the strength and tear resistance, which are imperative qualities for this type of functions.

BREVE DESCRIPTION DES DESSINSBRIEF DESCRIPTION OF THE DRAWINGS

La manière de réaliser l'invention ainsi que les avantages qui en découlent ressortiront bien de la description des modes de réalisation qui suivent donnés à titre indicatif et non limitatif, et à l'appui des figures annexées dans lesquelles :

  • la figure 1 est une vue en perspective sommaire, de ¾ dessous, d'un élément additionnel rigide destiné à être intégré sur la face supérieure d'une planche de glisse ;
  • les figures 2 et 3 sont des vues en coupe montrant l'élément rigide, l'ensemble supérieur et les zones d'ancrage d'un premier mode de réalisation, illustrés respectivement avant et après assemblage ;
  • La figure 4 est une vue en coupe d'un moule de réalisation d'une planche de glisse incluant un ensemble supérieur conforme à l'invention ;
  • Les figures 5 et 6 sont des vues en coupe d'un élément additionnel rigide et de l'ensemble supérieur selon une troisième variante de réalisation, montrés respectivement avant et après assemblage.
The manner of carrying out the invention as well as the advantages which result therefrom will emerge clearly from the description of the embodiments which follow given by way of indication and not limitation, and with reference to the appended figures in which:
  • the figure 1 is a perspective view from below, of a rigid additional element intended to be integrated on the upper face of a gliding board;
  • the Figures 2 and 3 are sectional views showing the rigid element, the whole upper and the anchoring zones of a first embodiment, respectively illustrated before and after assembly;
  • The figure 4 is a sectional view of a mold for producing a gliding board including an upper assembly according to the invention;
  • The Figures 5 and 6 are sectional views of an additional rigid element and the upper assembly according to a third embodiment, respectively shown before and after assembly.

MANIERE DE REALISER L'INVENTIONMANNER OF REALIZING THE INVENTION

Comme déjà évoqué, les éléments additionnels rigides sont susceptibles d'être mis en place sur la face supérieure d'une planche de glisse de nature très diverses et variées, de sorte que celui qui est illustré à la figure 1 n'est donné qu'à titre d'exemple, et ne limite en aucun cas l'invention.As already mentioned, the additional rigid elements are likely to be placed on the upper surface of a gliding board of very different and varied nature, so that the one shown in FIG. figure 1 is given only as an example, and in no way limits the invention.

Ainsi, l'élément additionnel rigide (1) illustré à la figure 1 se compose principalement d'une plaque (2) formant la portion apparente de l'élément additionnel, et qui peut supporter sur sa face supérieure, différents mécanismes ou perçages non représentés, en particulier pour la mise en place des éléments de la fixation de sécurité par exemple. Cette portion apparente (2) présente sur sa face inférieure quatre portions traversantes (3) sous forme de plaquettes s'étendant perpendiculairement à la plaque (2). Dans la forme illustrée, les portions traversantes (3) sont agencées en deux paires espacées, et comportent chacune un perçage (4) destiné à recevoir les portions d'ancrage.Thus, the rigid additional element (1) illustrated in FIG. figure 1 consists mainly of a plate (2) forming the apparent portion of the additional element, and which can support on its upper face, different mechanisms or not shown holes, in particular for the establishment of the elements of the security fastener for example. This apparent portion (2) has on its underside four through portions (3) in the form of platelets extending perpendicularly to the plate (2). In the illustrated form, the through portions (3) are arranged in two spaced pairs, and each comprise a bore (4) for receiving the anchoring portions.

Comme illustré à la figure (2), la plaque (1) est destinée à être solidarisée à l'ensemble supérieur (10) constitué par la forme illustrée de la couche supérieure de protection et de décoration (11) et d'une couche de renfort fibreux (12), typiquement à base d'un tissu de fils de verre enduit d'une résine thermodurcissable. Des ouvertures (14) sont réalisées à la fois dans la couche supérieure de protection (11) et le renfort fibreux (12) de manière à permettre le passage des portions traversantes (3). Ainsi, et comme illustré à la figure 3, les portions d'ancrage (16) formées par des goupilles pénètrent les ouvertures (4) présentes dans les portions d'ancrage (3) de telle sorte que ces goupilles (16) affleurent sous la face inférieure (15) de la couche de renfort (12). Ainsi, la couche de renfort (12) est bloquée entre la couche supérieure de protection (11) et les goupilles (16), et ne peut se déplacer de manière inopinée.As illustrated in figure (2 ), the plate (1) is intended to be secured to the upper assembly (10) constituted by the illustrated form of the upper protective and decorative layer (11) and a fibrous reinforcing layer (12), typically based on a glass yarn fabric coated with a thermosetting resin. Openings (14) are made both in the upper protective layer (11) and the fibrous reinforcement (12) so as to allow passage of the through portions (3). So, and as illustrated in figure 3 the anchoring portions (16) formed by pins penetrate the openings (4) present in the anchoring portions (3) so that these pins (16) are flush with the underside (15) of the reinforcement (12). Thus, the reinforcing layer (12) is locked between the upper protective layer (11) and the pins (16), and can not move unexpectedly.

La mise en place des goupilles, et plus généralement des portions d'ancrage peut se faire en assurant une légère pression sur les couches traversées, de manière à profiter d'une compression de ces couches pour éviter tout mouvement inopiné des portions d'ancrage après leur installation. On élimine ainsi tout jeu entre les diverses couches, et surtout entre la face supérieure de la planche et la portion apparente des éléments additionnels.The positioning of the pins, and more generally anchoring portions can be done by ensuring a slight pressure on the crossed layers, so as to take advantage of a compression of these layers to prevent any unexpected movement of the anchoring portions after their installation. This eliminates any play between the various layers, and especially between the upper face of the board and the apparent portion of the additional elements.

La position précise des ouvertures (4) dans les portions traversantes doit être suffisamment précise pour éviter autant que possible le passage de mousse entre la face inférieure de l'ensemble supérieur et les goupilles. On prévient ainsi le risque d'avoir au dessus de la goupille, une quantité de mousse du noyau qui constitue une zone compressible, source de jeu ultérieur.The precise position of the openings (4) in the through portions must be precise enough to avoid as much as possible the passage of foam between the underside of the upper assembly and the pins. This prevents the risk of having above the pin, a quantity of foam of the core which is a compressible area, source of play later.

Bien entendu, il est également possible d'utiliser des goupilles qui traversent non pas une, mais plusieurs portions traversantes, ou bien encore des organes de blocage de formes diverses, dès lors qu'ils viennent au contact au moins sur une partie de leur longueur avec la couche de renfort (12) pour en empêcher les mouvements.Of course, it is also possible to use pins that pass through not one, but several through portions, or else various form of locking members, as long as they come into contact at least over part of their length. with the reinforcing layer (12) to prevent movement.

Comme illustré à la figure 4, l'ensemble supérieur (10) sur lequel est installé l'élément additionnel rigide (1) peut être mis en place dans un moule (30) comportant un fond de moule (31) accueillant l'ensemble inférieur (32). L'ensemble supérieur (10) et l'élément rigide additionnel sont plaqués contre le couvercle du moule (33) lors de l'expansion de la mousse formant le noyau (36).As illustrated in figure 4 , the upper assembly (10) on which is installed the rigid additional element (1) can be placed in a mold (30) having a mold bottom (31) accommodating the lower assembly (32). The upper assembly (10) and the additional rigid member are pressed against the mold cover (33) upon expansion of the core foam (36).

Dans la variante illustrée à la figure 5, l'élément rigide additionnel (40) comporte une portion apparente (42) sous laquelle s'étendent les portions traversantes (43) formées de pointes dont les extrémités (44) sont auto perçantes. La face inférieure (45) de la portion apparente (42) comporte une zone proéminente (46), s'étendant périphériquement en entourant les zones traversantes (43). La mise en place de l'élément additionnel (41) se fait par perçage de la couche supérieure de protection (11).In the variant illustrated in figure 5 , the additional rigid element (40) has an apparent portion (42) under which extend the through portions (43) formed of tips whose ends (44) are self piercing. The underside (45) of the exposed portion (42) has a prominent region (46) extending peripherally surrounding the through areas (43). The introduction of the additional element (41) is done by drilling the upper protective layer (11).

Puis, comme illustré à la figure 6, les pointes (43) sont repliées latéralement sous la face inférieure (18) de la couche supérieure de protection (11). La zone proéminente périphérique (46) circonscrit la région dans laquelle les pointes (43) ont formé des ouvertures (48) dans la couche supérieure de protection (11). Les éventuelles remontées de résine au niveau de ces ouvertures sont ainsi bloquées et ne risquent pas d'apparaître sur la partie visible de la planche. Une couche (49) de renfort, en particulier fibreux, peut être ensuite collée ou assemblée par tout moyen sous la couche supérieure de protection (11), de manière à former un ensemble supérieur facilement manipulable sans risque de chute des éléments additionnels.Then, as illustrated in figure 6 the tips (43) are folded laterally under the underside (18) of the upper protective layer (11). The protruding peripheral zone (46) circumscribes the region in which the tips (43) have formed openings (48) in the upper protective layer (11). Possible lifts resin at these openings are thus blocked and are not likely to appear on the visible part of the board. A reinforcing layer (49), in particular fibrous, can then be glued or assembled by any means under the upper protective layer (11), so as to form an upper assembly easily manipulated without risk of falling additional elements.

Il ressort de ce qui précède que l'invention permet la mise une place sur une planche d'éléments additionnels rigides par un procédé qui facilite les opérations de manipulation de l'ensemble supérieur. En effet, ses éléments additionnels pincent l'ensemble supérieur, ce qui leur assure un positionnement précis et définitif, tout en maintenant les couches de renfort. En outre, ces éléments additionnels rigides sont ancrés au plus près des couches de renforts, ce qui leur assure une bonne résistance à l'arrachement.It follows from the foregoing that the invention allows a place on a board of additional rigid elements by a method that facilitates handling operations of the upper assembly. Indeed, its additional elements pinch the upper assembly, which ensures a precise and definitive positioning, while maintaining the reinforcement layers. In addition, these additional rigid elements are anchored closer to the reinforcing layers, which ensures them good resistance to tearing.

Claims (20)

  1. Upper assembly (10) for a board for gliding on snow, comprising at least one layer, and in particular a protective upper layer (11), and including at least one rigid element (1) partially visible on the upper face of the board, said rigid element (1) comprising a visible portion (2) lying on the protective upper layer (11), and through portions (3) all in one piece with the visible portion (2), and extending under the visible portion (2) by passing through said upper assembly (10), characterized in that the rigid element (1) comprises anchoring portions (16) located underneath and on the lower face (15) of one of the layers of the upper assembly (10), these anchoring portions (16) forming an abutment which engages with said lower face (15) of said layer, so as to grip all or part of the layers of the upper element (10) between the lower face of the visible portion (2) of the rigid element (1) and said abutment (16), in order to prevent the rigid element (1) from moving, allowing no travel whatsoever relative to the upper assembly (10).
  2. Upper assembly for a board for gliding on snow as claimed in claim 1, characterized in that the anchoring portions are formed by the ends of the through portions (43), which are bent back substantially parallel to the lower face of the upper assembly (11).
  3. Upper assembly for a board for gliding on snow as claimed in claim 1, characterized in that the anchoring portions are formed by blocking components (16) mounted on the through portions (3), and coming into contact with the lower face (15) of one of the layers of the upper assembly (10).
  4. Upper assembly for a board for gliding on snow as claimed in claim 3, characterized in that the blocking components (16) penetrate the through portions (3) and extend parallel to the lower face (5) of the upper assembly (10).
  5. Upper assembly for a board for gliding on snow as claimed in claim 1, characterized in that the anchoring portions (43) come into contact with the lower face of the protective upper layer (11).
  6. Upper assembly for a board for gliding on snow as claimed in claim 1, characterized in that the anchoring portions (3) come into contact with the lower face of the reinforcement layer (12).
  7. Upper assembly for a board for gliding on snow as claimed in claim 2, characterized in that the through portions are formed by tips (44).
  8. Upper assembly for a board for gliding on snow as claimed in claim 7, characterized in that the tips (44) are self-piercing.
  9. Upper assembly for a board for gliding on snow as claimed in claim 1, characterized in that the rigid element (1) comprises on its face in contact with the protective upper layer (11), a protruding zone (46) encircling the through portions (43).
  10. Upper assembly for a board for gliding on snow as claimed in claim 1, characterized in that the visible portion (42) is partially embedded in the protective upper layer (11).
  11. Upper assembly for a board for gliding on snow as claimed in claim 1, characterized in that the visible portion comprises at least one protruding zone capable of ensuring that an accessory can be fastened onto the board.
  12. Upper assembly for a board for gliding on snow as claimed in claim 1, characterized in that the visible portion is surmounted by a component made of a polymeric material.
  13. Upper assembly for a board for gliding on snow as claimed in claim 12, characterized in that the polymeric material is a compressible foam.
  14. Upper assembly for a board for gliding on snow as claimed in claim 1, characterized in that the rigid element is arranged so as to accommodate a component of the bindings.
  15. Upper assembly for a board for gliding on snow as claimed in claim 1, characterized in that it includes at least one layer made of a deformable polymeric material.
  16. Upper assembly for a board for gliding on snow as claimed in claim 15, characterized in that the polymeric material of the deformable layer has visco-elastic properties.
  17. Upper assembly for a board for gliding on snow as claimed in claim 1, characterized in that it includes a sealing film.
  18. Board for gliding on snow incorporating an upper assembly as claimed in one of claims 1 to 17.
  19. Process for manufacturing an upper assembly (10) for a board for gliding on snow including at least one layer, and in particular a protective upper layer of the board (11), wherein rigid elements (1) comprising a visible portion (2) and through portions (3) all in one piece with the visible portion, which pass through the protective upper layer (11) are put in place on said protective upper layer, characterized in that the through portions (3) are blocked by anchoring portions (16) engaging with the through portions (3), and coming into contact with the lower face (15) of one of the layers of the upper assembly (10), or in that the ends of the through portions (43) are folded back substantially parallel to the protective upper layer (11) so as to prevent the rigid element (1) from moving, allowing no travel whatsoever relative to the upper assembly (10).
  20. Process as claimed in claim 19, wherein blocking components (16) penetrate the through portions (3), and come into contact with the lower face (15) of one of the layers of the upper assembly (10).
EP07301407A 2006-10-04 2007-09-28 Snowboard and manufacturing process Expired - Fee Related EP1908500B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0654085A FR2906731B1 (en) 2006-10-04 2006-10-04 SLIDING BOARD AND METHOD OF MANUFACTURE

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EP1908500A1 EP1908500A1 (en) 2008-04-09
EP1908500B1 true EP1908500B1 (en) 2011-08-31

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AT (1) ATE522255T1 (en)
FR (1) FR2906731B1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1254377A (en) * 1960-04-20 1961-02-17 Metallic ski
FR1313899A (en) * 1961-11-21 1963-01-04 Michal Atel Improvements to plastic-trimmed skis
FR1449848A (en) * 1965-06-29 1966-05-06 Abel Rossignol Ets Ski
AT7540U1 (en) * 2004-02-11 2005-05-25 Tyrolia Technology Gmbh SLIDING BOARD, ESPECIALLY SKI
FR2878756B1 (en) * 2004-12-07 2007-02-23 Salomon Sa METHOD FOR MANUFACTURING A SLIDING BOARD OF INJECTED COMPOSITE AND INJECTED CORE STRUCTURE AND BOARD OBTAINED BY CARRYING OUT THE PROCESS
FR2882269A1 (en) * 2005-02-23 2006-08-25 Skis Rossignol Sa Sa SNOWBOARD BOARD WITH UPPER ELEMENT OF DECORATION AND PROTECTION

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FR2906731B1 (en) 2008-11-14
FR2906731A1 (en) 2008-04-11
EP1908500A1 (en) 2008-04-09
ATE522255T1 (en) 2011-09-15

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