EP1264618A1 - Ski for alpinski - Google Patents

Ski for alpinski Download PDF

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Publication number
EP1264618A1
EP1264618A1 EP02011141A EP02011141A EP1264618A1 EP 1264618 A1 EP1264618 A1 EP 1264618A1 EP 02011141 A EP02011141 A EP 02011141A EP 02011141 A EP02011141 A EP 02011141A EP 1264618 A1 EP1264618 A1 EP 1264618A1
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EP
European Patent Office
Prior art keywords
ski
notch
core
ski according
local
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Granted
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EP02011141A
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German (de)
French (fr)
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EP1264618B1 (en
Inventor
Christian Huyghe
Nicolas Puget
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Salomon SAS
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Salomon SAS
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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
    • A63C5/06—Skis or snowboards with special devices thereon, e.g. steering devices
    • A63C5/07—Skis or snowboards with special devices thereon, e.g. steering devices comprising means for adjusting stiffness

Definitions

  • the invention relates to a ski intended for alpine skiing.
  • each ski of a pair of skis is presented as a beam elongated having due to its structure a rigidity defined in bending and in torsion.
  • FR 2 049 841 teaches to reinforce the rigidity of the front and rear areas of the ski using bands integrated into the ski structure, which act as elements of stiffening.
  • patent application FR 2 704 442 describes a ski whose three zones of spatula, skate and heel which compose it have characteristics different.
  • Patent application WO 91/09653 discloses a ski, the two zones immediately in front and behind the shoe are raised and reinforced so as to produce a regular curvature of the ski in the presence of the boot.
  • Patent application WO 99/43997 describes a short ski whose stiffness in torsion and bending is geometrically controlled by a reinforcement of variable width extending into the front and rear areas of the ski.
  • the invention proposes another mode of control of flexion and torsion of the ski according to which two adjacent zones of the ski are decoupled in flexion and / or in torsion locally modifying the structure of the ski at the common border of these two zones.
  • the general idea of the invention is based on a decoupling in torsion and / or in bending of two adjacent zones of the ski, that is to say a local weakening in flexion and / or in torsion in a deformation zone between two adjacent zones which themselves have identical or almost identical flexural and / or torsional stiffness on either side of the deformation zone.
  • the ski according to the invention is presented as an elongated beam comprising a central area and two ends forming the tip and the heel, the beam having on the one hand a structure comprising a core and upper and lower reinforcing layers, and others part of the determined cross-sectional dimensions which give it a distribution of bending and torsion determined along its length.
  • the ski is characterized by the fact that at least one of the elements of its structure has at least one local notch which creates a local deformation zone between the ski areas located upstream and downstream of the notch.
  • Figure 1 shows a ski according to the invention seen from above.
  • FIG. 2 is a side view of the ski of FIG. 1.
  • Figure 3 is a sectional view which illustrates the general structure of the ski.
  • Figure 4 shows a top view of the core of the ski and illustrates a first mode of implementation of the invention.
  • Figure 5 is a sectional view of the ski at the local deformation zone.
  • Figure 6 relates to an alternative embodiment.
  • FIG. 7 shows another embodiment of the invention relating to a layer upper reinforcement.
  • FIG. 8 likewise illustrates the invention applied to a reinforcing layer lower.
  • FIG. 9 shows a top view of a ski according to an alternative embodiment of the invention.
  • FIGS 10 and 11 relate to other alternative embodiments of the invention.
  • FIGS 1 and 2 relate to a first embodiment of the invention.
  • the ski 1 which is represented therein is formed by an elongated beam having a central zone 2 and two ends 3 and 4 forming the tip and the heel of the ski.
  • the spatula is curved upwards and rounded.
  • the heel is cut, but it is not limiting, it could also be curled and / or rounded.
  • the central zone 2 is provided for receive the shoe retaining elements.
  • the ski Seen from the side, the ski is arched, which defines lines of contact marked in 7 and 8. These lines are the contact zones of the sole 9 of the ski at rest with a flat surface.
  • the other characteristic dimensions of the ski are its developed length which is from 1.50 meters to 2 meters, these values being only indicative, the length between lines contact, maximum widths in tip and heel, minimum width in the area center as well as the dimension line, that is to say the curve followed by the edges.
  • the thickness is also a characteristic dimension. It can vary over the length and width of the beam ski.
  • ski 1 The general structure of ski 1 is of a traditional type.
  • Figure 3 shows schematic such a structure. It is formed by two side edges 10, 11, a layer lower sole 12, lower reinforcing layers 13, 14, a core 15, layers upper reinforcing layers 16, 17, and an outer decor layer 18.
  • the reinforcing layers are layers of fibers impregnated with resin and / or aluminum strips.
  • the nucleus is in wood or injected or machined foam.
  • the structure of the ski is not limiting, other modes also suitable. In particular there could be only one reinforcement layer on the top and bottom of the core.
  • the structure of the ski gives the ski stiffness characteristics in bending and torsion which determine the sliding behavior of the ski and its reaction to stresses in from the skier or the terrain.
  • the invention plans to locally create at least one deformation zone along the length of the ski elastic so as to decouple in flexion and / or torsion the areas of the ski situated upstream and downstream of this deformation zone.
  • This deformation zone creates a sudden rupture in the distribution of flexion and / or torsion along the beam of the ski.
  • the structure of the ski has been modified in two zones marked at 20, 21 so as to create a zone 22 of local deformation which operates as an elastically deformable hinge between the two zones 23 and 24 located upstream and downstream.
  • Zones 23 and 24 upstream and downstream of zone 22 retain their own rigidity in bending and torsion, these rigidities are very close to one of the other or at least in the continuity of each other taking into account the local character of the deformation zone 22.
  • Figure 4 illustrates one of them. It represents the core 15, which is for example a machined wood core, in which two lateral cuts 27 and 28 have been made over the entire the thickness of the core.
  • the wall which delimits the notch is curved in its different planes, that is to say that we avoid cutting the notches with right angles.
  • other shapes could also be suitable, in particular a triangular, elliptical or other shape.
  • the ski has two recesses 20 and 21 at the notches. At these recesses, the reinforcing layers upper and lower are closer to each other, which significantly decreases torsional and bending stiffness.
  • each of the cuts is made on a length of the core varying between 20 and 150 millimeters, preferably 100 millimeters, and a width greater than 6 millimeters and less than half the width of the core in this zone minus 5 millimeters, so as to leave a width of at least 10 millimeters in the center where the core keeps its initial thickness.
  • the recesses 20 and 21 of the ski have substantially the same shape and the same dimensions as the notches, to the thickness near the upper layers.
  • the minimum thickness in the bottom of the recesses is substantially equal at the height of the edges plus the thickness of the upper layers covering the core.
  • the recesses are connected to the rest of the structure of the ski by surfaces of connection which can extend over a greater or lesser extent.
  • the notches could be made on only part of its thickness.
  • the cuts should be at least half the depth of the core in this area.
  • Such a core 15 ′ is shown in section in FIG. 6, thus giving birth to two recesses 33 and 34 of depth close to half the height of the ski.
  • FIG 6 Another embodiment of the local deformation zone is illustrated in the figure 6.
  • This figure represents one of the upper reinforcement layers.
  • This layer 36 is by example the aluminum strip in the case of multiple reinforcing layers.
  • the strip 36 is cut according to notches 38, 39. These notches extend over the same length and width dimensions of the ski as those given for the previous cuts 27 and 28.
  • FIG. 8 likewise represents a strip 40 of lower layer which is of same nature as the strip 36, and which, as it is provided with notches 41 and 42.
  • the interior volume of the notches can be filled if necessary with filling material.
  • the local deformation zone can be located in different regions of the ski. of the privileged regions are the front and back of the area where the elements of restraint, and the proximity of the front and rear contact lines. We can have several zones deformation distributed over the front and / or rear of the ski, or even a succession of zones deformation in one or more regions of the ski.
  • the tip and / or the heel are more free to move. raise in relation to this local deformation zone.
  • FIG. 9 relates to an alternative embodiment of the invention according to which the local deformation zone is formed by a single notch 45 of one of the elements of structure of the ski, this notch being situated along a lateral edge of the ski. In that case, the notch extends over a width of the ski which is doubled with respect to the elementary notches previously described.
  • the structure of the ski has two notches 48, 49, each along a side edge of the ski.
  • the peculiarity is that these notches are offset according to the direction longitudinal which gives a local deformation zone oriented obliquely to a transverse direction.
  • the other ski of a pair of ski would have an offset reversed so that the two skis are symmetrical to each other.
  • FIG. 11 relates to another embodiment of the invention.
  • the notch 50 is centered on the longitudinal axis of the ski. Its dimensions in length, width and depth are of the same order of magnitude as those of two elementary cuts placed side by side. Such a cut favors rather a deformation of this area in torsion.

Abstract

The ski for alpine skiing has a central area (2) and two ends (3,4). It has a core and upper and lower reinforcing layers forming a variable cross section to control torsion and flexing of the ski. The ski has at least one localized cut out (20,21) which creates a localized deformation zone between the areas of the ski (23,24) up and downstream of the cut outs.

Description

L'invention concerne un ski prévu pour la pratique du ski alpin.The invention relates to a ski intended for alpine skiing.

De façon connue, chaque ski d'une paire de skis se présente comme une poutre allongée ayant du fait de sa structure une rigidité définie en flexion et en torsion.In known manner, each ski of a pair of skis is presented as a beam elongated having due to its structure a rigidity defined in bending and in torsion.

De façon à mieux maítriser la répartition de pression du ski sur la neige, il est connu de faire varier la rigidité en flexion et/ou en torsion du ski le long du ski. Ainsi, la demande de brevet FR 2 049 841 enseigne de renforcer la rigidité des zones avant et arrière du ski à l'aide de bandes intégrées dans la structure du ski, qui agissent comme des éléments de raidissement. Dans le même esprit, la demande de brevet FR 2 704 442 décrit un ski dont les trois zones de spatule, de patin et de talon qui le composent ont des caractéristiques différentes.In order to better control the pressure distribution of the ski on the snow, it is known to varying the flexural and / or torsional stiffness of the ski along the ski. So the request for FR 2 049 841 teaches to reinforce the rigidity of the front and rear areas of the ski using bands integrated into the ski structure, which act as elements of stiffening. In the same spirit, patent application FR 2 704 442 describes a ski whose three zones of spatula, skate and heel which compose it have characteristics different.

La demande de brevet WO 91/09653 divulgue quant à elle un ski dont les deux zones immédiatement en avant et en arrière de la chaussure sont rehaussées et renforcées de façon à produire une courbure régulière du ski en présence de la chaussure.Patent application WO 91/09653 discloses a ski, the two zones immediately in front and behind the shoe are raised and reinforced so as to produce a regular curvature of the ski in the presence of the boot.

La demande de brevet WO 99/43997 décrit quant à elle un ski court dont la rigidité en torsion et en flexion est contrôlée géométriquement par un renfort de largeur variable s'étendant dans les zones avant et arrière du ski.Patent application WO 99/43997 describes a short ski whose stiffness in torsion and bending is geometrically controlled by a reinforcement of variable width extending into the front and rear areas of the ski.

De telles constructions montrent que l'on peut maítriser la raideur en torsion et en flexion d'un ski dans ses différentes zones.Such constructions show that one can control the stiffness in torsion and bending of a ski in its different zones.

Face à cela, l'invention propose un autre mode de contrôle de la flexion et de la torsion du ski selon lequel on découple en flexion et/ou en torsion deux zones adjacentes du ski en modifiant localement la structure du ski à la frontière commune de ces deux zones.Faced with this, the invention proposes another mode of control of flexion and torsion of the ski according to which two adjacent zones of the ski are decoupled in flexion and / or in torsion locally modifying the structure of the ski at the common border of these two zones.

L'idée générale de l'invention repose sur un découplage en torsion et / ou en flexion de deux zones adjacentes du ski, c'est-à-dire un affaiblissement local en flexion et / ou en torsion dans une zone de déformation entre deux zones adjacentes qui ont elles-mêmes des rigidités en flexion et / ou en torsion identiques ou quasiment identiques de part et d'autre de la zone de déformation.The general idea of the invention is based on a decoupling in torsion and / or in bending of two adjacent zones of the ski, that is to say a local weakening in flexion and / or in torsion in a deformation zone between two adjacent zones which themselves have identical or almost identical flexural and / or torsional stiffness on either side of the deformation zone.

Ainsi le ski selon l'invention se présente comme une poutre allongée comprenant une zone centrale et deux extrémités formant la spatule et le talon, la poutre ayant d'une part une structure comprenant un noyau et des couches de renfort supérieures et inférieures, et d'autres part des dimensions en section déterminées qui lui confèrent une répartition de flexion et de torsion déterminée sur sa longueur.Thus the ski according to the invention is presented as an elongated beam comprising a central area and two ends forming the tip and the heel, the beam having on the one hand a structure comprising a core and upper and lower reinforcing layers, and others part of the determined cross-sectional dimensions which give it a distribution of bending and torsion determined along its length.

Le ski est caractérisé par le fait que l'un au moins des éléments de sa structure présente au moins une entaille locale qui crée une zone locale de déformation entre les zones du ski situées en amont et en aval de l'entaille.The ski is characterized by the fact that at least one of the elements of its structure has at least one local notch which creates a local deformation zone between the ski areas located upstream and downstream of the notch.

L'invention sera mieux comprise en se référant à la description ci-dessous et aux dessins en annexe qui lui sont rattachés.The invention will be better understood by referring to the description below and to annexed drawings attached to it.

La figure 1 représente un ski selon l'invention vu de dessus. Figure 1 shows a ski according to the invention seen from above.

La figure 2 est une vue de côté du ski de la figure 1.FIG. 2 is a side view of the ski of FIG. 1.

La figure 3 est une vue en section qui illustre la structure générale du ski.Figure 3 is a sectional view which illustrates the general structure of the ski.

La figure 4 représente en vue de dessus le noyau du ski et illustre un premier mode de mise en oeuvre de l'invention.Figure 4 shows a top view of the core of the ski and illustrates a first mode of implementation of the invention.

La figure 5 est une vue en section du ski au niveau de la zone locale de déformation.Figure 5 is a sectional view of the ski at the local deformation zone.

La figure 6 est relative à une variante de réalisation.Figure 6 relates to an alternative embodiment.

La figure 7 montre un autre mode de mise en oeuvre de l'invention relatif à une couche de renfort supérieure.FIG. 7 shows another embodiment of the invention relating to a layer upper reinforcement.

La figure 8 illustre de la même façon l'invention appliquée à une couche de renfort inférieure.FIG. 8 likewise illustrates the invention applied to a reinforcing layer lower.

La figure 9 représente en vue de dessus un ski selon une variante de mise en oeuvre de l'invention.FIG. 9 shows a top view of a ski according to an alternative embodiment of the invention.

Les figures 10 et 11 sont relatives à d'autres variantes de mise en oeuvre de l'invention.Figures 10 and 11 relate to other alternative embodiments of the invention.

Les figures 1 et 2 sont relatives à un premier mode de mise en oeuvre de l'invention. Le ski 1 qui y est représenté est formé par une poutre allongée ayant une zone centrale 2 et deux extrémités 3 et 4 formant la spatule et le talon du ski. Comme cela est usuel, la spatule est recourbée vers le haut et arrondie. Le talon est coupé, mais ce n'est pas limitatif, il pourrait également être recourbé et/ou arrondi. De façon connue, la zone centrale 2 est prévue pour recevoir les éléments de retenue de la chaussure.Figures 1 and 2 relate to a first embodiment of the invention. The ski 1 which is represented therein is formed by an elongated beam having a central zone 2 and two ends 3 and 4 forming the tip and the heel of the ski. As usual, the spatula is curved upwards and rounded. The heel is cut, but it is not limiting, it could also be curled and / or rounded. In known manner, the central zone 2 is provided for receive the shoe retaining elements.

Vu de côté le ski est cambré, ce qui définit vers chacune de ses extrémités des lignes de contact repérées en 7 et 8. Ces lignes sont les zones de contact de la semelle 9 du ski au repos avec une surface plane.Seen from the side, the ski is arched, which defines lines of contact marked in 7 and 8. These lines are the contact zones of the sole 9 of the ski at rest with a flat surface.

Les autres dimensions caractéristiques du ski sont sa longueur en développé qui est de l'ordre de 1,50 mètres à 2 mètres, ces valeurs n'étant qu'indicatives, la longueur entre lignes de contact, les largeurs maximales en spatule et au talon, la largeur minimale dans la zone centrale ainsi que la ligne de cotes, c'est-à-dire la courbe suivie par les carres. L'épaisseur est aussi une dimension caractéristique. Elle peut varier sur la longueur et la largeur de la poutre du ski.The other characteristic dimensions of the ski are its developed length which is from 1.50 meters to 2 meters, these values being only indicative, the length between lines contact, maximum widths in tip and heel, minimum width in the area center as well as the dimension line, that is to say the curve followed by the edges. The thickness is also a characteristic dimension. It can vary over the length and width of the beam ski.

La structure générale du ski 1 est d'un type traditionnel. La figure 3 représente de façon schématique une telle structure. Elle est formée par deux carres latérales 10, 11, une couche de semelle inférieure 12, des couches de renfort inférieures 13, 14, un noyau 15, des couches de renfort supérieures 16, 17, et une couche de décor externe 18. Les couches de renfort sont des couches de fibres imprégnées de résine et/ou des bandes d'aluminium. Le noyau est en bois ou en mousse injectée ou usinée. La structure du ski n'est pas limitative, d'autres modes de construction conviennent également. Notamment il ne pourrait y avoir qu'une seule couche de renfort sur le dessus et le dessous du noyau.The general structure of ski 1 is of a traditional type. Figure 3 shows schematic such a structure. It is formed by two side edges 10, 11, a layer lower sole 12, lower reinforcing layers 13, 14, a core 15, layers upper reinforcing layers 16, 17, and an outer decor layer 18. The reinforcing layers are layers of fibers impregnated with resin and / or aluminum strips. The nucleus is in wood or injected or machined foam. The structure of the ski is not limiting, other modes also suitable. In particular there could be only one reinforcement layer on the top and bottom of the core.

La structure du ski confère au ski des caractéristiques de rigidité en flexion et torsion qui déterminent le comportement en glisse du ski et sa réaction aux sollicitations en provenance du skieur ou du terrain. The structure of the ski gives the ski stiffness characteristics in bending and torsion which determine the sliding behavior of the ski and its reaction to stresses in from the skier or the terrain.

On a l'habitude de faire varier la rigidité en flexion ou en torsion du ski le long de sa longueur. Ainsi, usuellement la zone centrale est plus rigide que les zones d'extrémité. Cette variation est en général progressive de façon à favoriser une flexion régulière de la poutre du ski.We are used to varying the flexural or torsional stiffness of the ski along its length. Thus, usually the central zone is more rigid than the end zones. This variation is generally progressive so as to favor a regular bending of the beam of the ski.

En plus de cette répartition variable de flexion et de torsion le long du ski, l'invention prévoit de créer localement sur la longueur du ski au moins une zone de déformation élastique de façon à découpler en flexion et/ou en torsion les zones du ski situées en amont et en aval de cette zone de déformation. Cette zone de déformation crée une rupture brutale dans la répartition de flexion et/ou de torsion le long de la poutre du ski.In addition to this variable distribution of flexion and torsion along the ski, the invention plans to locally create at least one deformation zone along the length of the ski elastic so as to decouple in flexion and / or torsion the areas of the ski situated upstream and downstream of this deformation zone. This deformation zone creates a sudden rupture in the distribution of flexion and / or torsion along the beam of the ski.

Ainsi selon le mode de réalisation illustré en figure 1, la structure du ski a été modifiée dans deux zones repérées en 20, 21 de façon à créer une zone 22 de déformation locale qui fonctionne à la manière d'une charnière élastiquement déformable entre les deux zones 23 et 24 situées en amont et en aval. Les zones 23 et 24 en amont et en aval de la zone 22 conservent leur propre rigidité en flexion et en torsion, ces rigidités sont très voisines l'une de l'autre ou tout au moins dans la continuité l'une de l'autre compte tenu du caractère local de la zone de déformation 22.Thus, according to the embodiment illustrated in FIG. 1, the structure of the ski has been modified in two zones marked at 20, 21 so as to create a zone 22 of local deformation which operates as an elastically deformable hinge between the two zones 23 and 24 located upstream and downstream. Zones 23 and 24 upstream and downstream of zone 22 retain their own rigidity in bending and torsion, these rigidities are very close to one of the other or at least in the continuity of each other taking into account the local character of the deformation zone 22.

Différents modes de constructions peuvent être adoptés pour réaliser la zone locale de déformation 22.Different construction methods can be adopted to achieve the local area of distortion 22.

La figure 4 illustre l'un d'entre eux. Elle représente le noyau 15, qui est par exemple un noyau bois usiné, dans lequel deux entailles latérales 27 et 28 ont été réalisées sur toute l'épaisseur du noyau. De préférence la paroi qui délimite l'entaille est incurvée dans ses différents plans, c'est-à-dire qu'on évite de tailler les entailles avec des angles droits. D'autres formes pourraient aussi convenir, notamment une forme triangulaire, elliptique ou autre.Figure 4 illustrates one of them. It represents the core 15, which is for example a machined wood core, in which two lateral cuts 27 and 28 have been made over the entire the thickness of the core. Preferably the wall which delimits the notch is curved in its different planes, that is to say that we avoid cutting the notches with right angles. other shapes could also be suitable, in particular a triangular, elliptical or other shape.

Une fois le noyau recouvert de ses couches de renfort, le ski présente deux évidements 20 et 21 au niveau des entailles. Au niveau de ces évidements les couches de renfort supérieures et inférieures sont plus proches l'une de l'autre, ce qui diminue significativement la rigidité en torsion et en flexion.Once the core is covered with its reinforcing layers, the ski has two recesses 20 and 21 at the notches. At these recesses, the reinforcing layers upper and lower are closer to each other, which significantly decreases torsional and bending stiffness.

Egalement, on a déterminé que de préférence, chacune des entailles est réalisée sur une longueur du noyau variant entre 20 et 150 millimètres, de préférence 100 millimètres, et une largeur supérieure à 6 millimètres et inférieure à la moitié de la largeur du noyau dans cette zone moins 5 millimètres, de façon à laisser au centre une largeur d'au moins 10 millimètres où le noyau garde son épaisseur initiale.Also, it has been determined that preferably each of the cuts is made on a length of the core varying between 20 and 150 millimeters, preferably 100 millimeters, and a width greater than 6 millimeters and less than half the width of the core in this zone minus 5 millimeters, so as to leave a width of at least 10 millimeters in the center where the core keeps its initial thickness.

Les évidements 20 et 21 du ski présentent sensiblement la même forme et les mêmes dimensions que les entailles, à l'épaisseur près des couches supérieures.The recesses 20 and 21 of the ski have substantially the same shape and the same dimensions as the notches, to the thickness near the upper layers.

En particulier, l'épaisseur minimale dans le fond des évidements est sensiblement égale à la hauteur des carres additionnée de l'épaisseur des couches supérieures recouvrant le noyau.In particular, the minimum thickness in the bottom of the recesses is substantially equal at the height of the edges plus the thickness of the upper layers covering the core.

Les évidements sont reliés au reste de la structure du ski par des surfaces de raccordement qui peuvent s'étendre sur une étendue plus ou moins grande. The recesses are connected to the rest of the structure of the ski by surfaces of connection which can extend over a greater or lesser extent.

En variante, au lieu d'être réalisées sur toute l'épaisseur du noyau, les entailles pourraient être faites sur une partie seulement de son épaisseur. Toutefois on a déterminé que les entailles devaient avoir une profondeur au moins égale à la moitié de l'épaisseur du noyau dans cette zone. Un tel noyau 15' est représenté en section dans la figure 6 donnant ainsi naissance à deux évidements 33 et 34 de profondeur voisine de la moitié de la hauteur du ski.Alternatively, instead of being made over the entire thickness of the core, the notches could be made on only part of its thickness. However, it has been determined that the cuts should be at least half the depth of the core in this area. Such a core 15 ′ is shown in section in FIG. 6, thus giving birth to two recesses 33 and 34 of depth close to half the height of the ski.

Un autre mode de réalisation de la zone locale de déformation est illustré dans la figure 6. Cette figure représente l'une des couches de renfort supérieur. Cette couche 36 est par exemple la bande d'aluminium dans le cas de couches de renfort multiples.Another embodiment of the local deformation zone is illustrated in the figure 6. This figure represents one of the upper reinforcement layers. This layer 36 is by example the aluminum strip in the case of multiple reinforcing layers.

Latéralement, la bande 36 est découpée selon des entailles 38, 39. Ces entailles s'étendent sur les mêmes dimensions en longueur et en largeur du ski que celles données pour les entailles 27 et 28 précédentes.Laterally, the strip 36 is cut according to notches 38, 39. These notches extend over the same length and width dimensions of the ski as those given for the previous cuts 27 and 28.

Si la couche de renfort 36 descend le long des flancs du ski, les entailles s'étendent également dans ces zones.If the reinforcing layer 36 descends along the sides of the ski, the notches extend also in these areas.

La figure 8 représente de la même façon une bande 40 de couche inférieure qui est de même nature que la bande 36, et qui comme elle est pourvue d'entailles 41 et 42.FIG. 8 likewise represents a strip 40 of lower layer which is of same nature as the strip 36, and which, as it is provided with notches 41 and 42.

Pour cette couche inférieure, le volume intérieur des entailles peut être comblé si nécessaire avec un matériau de remplissage.For this lower layer, the interior volume of the notches can be filled if necessary with filling material.

Ces différents modes de construction relatifs au noyau, et aux couches de renfort inférieur ou supérieur peuvent être utilisés seuls ou en combinaison. De plus on pourrait adopter des modes de construction différents pour chacun des côtés du ski.These different construction methods relating to the core and the reinforcing layers lower or upper can be used alone or in combination. In addition we could adopt different construction methods for each side of the ski.

La zone locale de déformation peut être localisée en différentes régions du ski. Des régions privilégiées sont l'avant et l'arrière de la zone où sont assemblés les éléments de retenue, et la proximité des lignes de contact avant et arrière. On peut avoir plusieurs zones de déformation réparties sur l'avant et/ou l'arrière du ski, ou même une succession de zones de déformation dans une ou plusieurs régions du ski.The local deformation zone can be located in different regions of the ski. of the privileged regions are the front and back of the area where the elements of restraint, and the proximity of the front and rear contact lines. We can have several zones deformation distributed over the front and / or rear of the ski, or even a succession of zones deformation in one or more regions of the ski.

Ainsi, sur l'avant et /ou sur l'arrière, la spatule et/ou le talon sont plus libres de se relever par rapport à cette zone locale de déformation.Thus, on the front and / or on the back, the tip and / or the heel are more free to move. raise in relation to this local deformation zone.

La figure 9 est relative à une variante de mise en oeuvre de l'invention selon laquelle la zone locale de déformation est formée par une seule entaille 45 de l'un des éléments de structure du ski, cette entaille étant située le long d'un bord latéral du ski. Dans ce cas, l'entaille s'étend sur une largeur du ski qui est doublée par rapport aux entailles élémentaires précédemment décrites.FIG. 9 relates to an alternative embodiment of the invention according to which the local deformation zone is formed by a single notch 45 of one of the elements of structure of the ski, this notch being situated along a lateral edge of the ski. In that case, the notch extends over a width of the ski which is doubled with respect to the elementary notches previously described.

Selon la figure 10, la structure du ski présente deux entailles 48, 49, chacune le long d'un bord latéral du ski. La particularité est que ces entailles sont décalées selon la direction longitudinale ce qui donne une zone locale de déformation orientée en oblique par rapport à une direction transversale. Dans ce cas l'autre ski d'une paire de ski aurait un décalage inversé pour que les deux skis soient symétriques l'un de l'autre.According to FIG. 10, the structure of the ski has two notches 48, 49, each along a side edge of the ski. The peculiarity is that these notches are offset according to the direction longitudinal which gives a local deformation zone oriented obliquely to a transverse direction. In this case the other ski of a pair of ski would have an offset reversed so that the two skis are symmetrical to each other.

La figure 11 est relative à un autre mode de mise en oeuvre de l'invention. Au lieu d'être située le long d'un bord latéral du ski, l'entaille 50 est centrée sur l'axe longitudinal du ski. Ses dimensions en longueur, largeur et profondeur sont du même ordre de grandeur que celles de deux entailles élémentaires mises côte à côte. Une telle entaille favorise plutôt une déformation de cette zone en torsion.FIG. 11 relates to another embodiment of the invention. Instead of to be located along a lateral edge of the ski, the notch 50 is centered on the longitudinal axis of the ski. Its dimensions in length, width and depth are of the same order of magnitude as those of two elementary cuts placed side by side. Such a cut favors rather a deformation of this area in torsion.

Naturellement la présente description n'est donnée qu'à titre indicatif, et l'on pourrait adopter d'autres mises en oeuvre de l'invention sans pour autant sortir du cadre de celle-ci.Naturally this description is given for information only, and one could adopt other implementations of the invention without departing from the scope thereof.

Claims (10)

Ski se présentant comme une poutre allongée comprenant une zone centrale (2) et deux extrémités (3, 4) formant la spatule et le talon, la poutre ayant d'une part une structure comprenant un noyau (15, 15') et des couches de renfort supérieures et inférieures (12, 13, 14, 16, 17, 36, 40), et d'autre part des dimensions en section déterminées qui lui confèrent une répartition de flexion et de torsion déterminée sur sa longueur, caractérisé par le fait que l'un au moins des éléments de sa structure (15, 15', 12, 13, 14, 16, 17, 36, 40) présente au moins une entaille locale (27, 28, 38, 39, 41, 42) qui crée une zone locale de déformation (22) entre les zones du ski (23, 24) situées en amont et en aval de ladite entaille.Ski presenting itself as an elongated beam comprising a central zone (2) and two ends (3, 4) forming the tip and the heel, the beam having on the one hand a structure comprising a core (15, 15 ') and layers upper and lower reinforcement (12, 13, 14, 16, 17, 36, 40), and on the other hand determined dimensions in section which give it a distribution of bending and torsion determined over its length, characterized by the fact that at least one of the elements of its structure (15, 15 ', 12, 13, 14, 16, 17, 36, 40) has at least one local notch (27, 28, 38, 39, 41, 42) which creates a local deformation zone (22) between the ski zones (23, 24) situated upstream and downstream of said notch. Ski selon la revendication 1, caractérisé par le fait que chaque entaille locale (27, 28, 38, 39, 41, 42) s'étend sur une longueur du ski comprise entre 20 et 150 millimètres.Ski according to claim 1, characterized in that each local notch (27, 28, 38, 39, 41, 42) extends over a length of the ski between 20 and 150 millimeters. Ski selon la revendication 2, caractérisé par le fait que chaque entaille locale (27, 28, 38, 39, 41, 42) s'étend sur une largeur du ski supérieure à 6 millimètres et inférieure à la moitié de la largeur du ski moins 5 millimètres.Ski according to claim 2, characterized in that each local notch (27, 28, 38, 39, 41, 42) extends over a width of the ski greater than 6 millimeters and less than half the width of the ski less 5 millimeters. Ski selon la revendication 3, caractérisé par le fait que le noyau (15, 15') présente au moins une entaille (27, 28).Ski according to claim 3, characterized in that the core (15, 15 ') has at least one notch (27, 28). Ski selon la revendication 4, caractérisé par le fait que l'entaille (27, 28) s'étend sur au moins la moitié de l'épaisseur du noyau.Ski according to claim 4, characterized in that the notch (27, 28) extends over at least half the thickness of the core. Ski selon la revendication 4, caractérisé par le fait que l'entaille s'étend sur toute l'épaisseur du noyau.Ski according to claim 4, characterized in that the notch extends over the entire thickness of the core. Ski selon la revendication 3, caractérisé par le fait que l'entaille (27, 28, 38, 39, 41, 42) a une forme incurvée.Ski according to claim 3, characterized in that the notch (27, 28, 38, 39, 41, 42) has a curved shape. Ski selon la revendication 3, caractérisé par le fait que l'entaille a une forme triangulaire ou elliptique.Ski according to claim 3, characterized in that the notch has a triangular or elliptical shape. Ski selon la revendication 3, caractérisé par le fait qu'il comprend deux entailles au moins, une le long de chaque bord, les entailles étant décalées selon la direction longitudinale du ski.Ski according to claim 3, characterized in that it comprises at least two notches, one along each edge, the notches being offset in the longitudinal direction of the ski. Ski selon la revendication 1, caractérisé par le fait que l'entaille (50) est centrée sur l'axe longitudinal du ski.Ski according to claim 1, characterized in that the notch (50) is centered on the longitudinal axis of the ski.
EP02011141A 2001-06-08 2002-05-21 Ski for alpinski Expired - Lifetime EP1264618B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0107753 2001-06-08
FR0107753A FR2825646B1 (en) 2001-06-08 2001-06-08 SKI PLANNED FOR THE PRACTICE OF ALPINE SKIING

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EP1264618A1 true EP1264618A1 (en) 2002-12-11
EP1264618B1 EP1264618B1 (en) 2006-05-10

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EP02011141A Expired - Lifetime EP1264618B1 (en) 2001-06-08 2002-05-21 Ski for alpinski

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EP (1) EP1264618B1 (en)
AT (1) ATE325640T1 (en)
DE (1) DE60211249T2 (en)
FR (1) FR2825646B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1994965A1 (en) 2007-05-25 2008-11-26 Skis Rossignol Alpine ski with a cut-out at the back end
FR2939323A1 (en) * 2008-12-08 2010-06-11 Salomon Sas ALPINE SKI WITH CONTROLLED FLEXION

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2850292B1 (en) * 2003-01-27 2006-09-01 Salomon Sa SLIDING OR ROLLING BOARD

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Publication number Priority date Publication date Assignee Title
FR2599636A1 (en) * 1986-05-27 1987-12-11 Rohrmoser Alois Skifabrik SKI
FR2702386A1 (en) * 1993-03-11 1994-09-16 Rossignol Sa Ski equipped with interactive means for modifying stiffness
US6059307A (en) * 1997-10-28 2000-05-09 Western; Michael W. Skateboard deck and method for making the same

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Publication number Priority date Publication date Assignee Title
AT310052B (en) 1969-06-06 1973-09-10 Louis Beerli ski
AT398380B (en) 1989-12-22 1994-11-25 Kaestle Ag SKI, ESPECIALLY ALPINSKI, AND METHOD FOR THE PRODUCTION THEREOF
FR2704442B1 (en) 1993-04-27 1995-06-02 Rossignol Sa New type of ski.
RU2131000C1 (en) 1998-02-25 1999-05-27 Алексеев Вячеслав Викторович Installation for fresh water condensation from atmospheric air

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2599636A1 (en) * 1986-05-27 1987-12-11 Rohrmoser Alois Skifabrik SKI
FR2702386A1 (en) * 1993-03-11 1994-09-16 Rossignol Sa Ski equipped with interactive means for modifying stiffness
US6059307A (en) * 1997-10-28 2000-05-09 Western; Michael W. Skateboard deck and method for making the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1994965A1 (en) 2007-05-25 2008-11-26 Skis Rossignol Alpine ski with a cut-out at the back end
FR2939323A1 (en) * 2008-12-08 2010-06-11 Salomon Sas ALPINE SKI WITH CONTROLLED FLEXION

Also Published As

Publication number Publication date
FR2825646B1 (en) 2003-10-17
EP1264618B1 (en) 2006-05-10
FR2825646A1 (en) 2002-12-13
DE60211249T2 (en) 2007-03-08
ATE325640T1 (en) 2006-06-15
DE60211249D1 (en) 2006-06-14

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