EP0490044A1 - Ski pour sport d'hiver comprenant un raidisseur et une embase - Google Patents

Ski pour sport d'hiver comprenant un raidisseur et une embase Download PDF

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Publication number
EP0490044A1
EP0490044A1 EP91117195A EP91117195A EP0490044A1 EP 0490044 A1 EP0490044 A1 EP 0490044A1 EP 91117195 A EP91117195 A EP 91117195A EP 91117195 A EP91117195 A EP 91117195A EP 0490044 A1 EP0490044 A1 EP 0490044A1
Authority
EP
European Patent Office
Prior art keywords
stiffener
base
ski according
ski
flexible
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.)
Withdrawn
Application number
EP91117195A
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German (de)
English (en)
French (fr)
Inventor
Philippe Commier
Jacques Le Masson
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.)
Salomon SAS
Original Assignee
Salomon SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from FR9016047A external-priority patent/FR2670392B1/fr
Priority claimed from FR9105011A external-priority patent/FR2675391B1/fr
Application filed by Salomon SAS filed Critical Salomon SAS
Publication of EP0490044A1 publication Critical patent/EP0490044A1/fr
Withdrawn legal-status Critical Current

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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
    • A63C9/00—Ski bindings
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C5/00—Skis or snowboards
    • A63C5/04—Structure of the surface thereof
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C5/00—Skis or snowboards
    • A63C5/06—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 present invention relates to a ski, such as an alpine ski, a cross-country ski, a monoski or a snowboard. It relates more particularly to an improvement in this type of skiing.
  • ski consist of an elongated beam, the front end of which is curved upwards to form a spatula, the rear end also being more slightly to form the heel.
  • the structure generally comprises peripheral protective elements, internal resistance elements to resist the flexural and torsional stresses, and a core. These elements are assembled by gluing or by injection, the assembly generally being carried out hot in a mold having the final shape of the ski, with a front part strongly raised in a tip, a rear part slightly raised in the heel, a central arched part. .
  • the present invention relates to improvements made to these skis in order to facilitate their manufacture which makes it possible to obtain the desired characteristics. due to the diversity of parameters that can be chosen.
  • the ski according to the invention consists of a first lower assembly or base, and a second upper assembly or stiffener, the two assemblies being linked with each other by connection means produced by a flexible connection and / or partially rigid.
  • the stiffener has a length less than the length of the surface of the base in contact with the snow. It is advantageously between 50 and 100% of the length of the base measured between the two lines of contact with the snow.
  • the base and the stiffener are elongated beams whose height can be variable along the ski to decrease towards the front and rear ends.
  • connection between the base and the stiffener is produced by a flexible interface, constituted by a sheet of elastic or viscoelastic material, and extends under the entire lower surface of the stiffener.
  • the flexible connection is partial and extends only under part of the length of the stiffener.
  • connection between the base and the stiffener is a rigid connection and does not extend under the entire lower surface of the stiffener.
  • Figure 1 is a side view of a first embodiment of a ski according to the invention.
  • Figure 2 is a cross section along II-II of Figure 1.
  • Figure 3 is a cross section along III-III of Figure 1.
  • Figure 3a is a variant.
  • FIG. 4 is a variant of FIG. 3.
  • Figure 5 is a side view showing the various components of the ski according to the first embodiment.
  • Figures 6 and 7 are schematic views showing the ski in cross section and in two variants.
  • Figures 8, 9, 10 and 11 are top views showing three embodiments of the stiffener.
  • Figures 12 to 18 are side views showing different variants of the connecting means.
  • FIG. 12 represents a particular mode of stiffener.
  • Figures 13 and 14 show flexible partial connections.
  • Figures 15 and 16 show rigid partial connections.
  • Figures 17 and 18 show mixed connections, partially flexible and partially rigid.
  • Figures 19 and 20 show a variant of a stiffener fixed by connections at its ends.
  • Figures 21 and 22 show another embodiment of Figures 19 and 20.
  • Figures 23 to 27 are variants showing in cross section and schematically other embodiments.
  • Figures 28 and 29 are side views showing variants.
  • FIG. 30 is a diagram representing the stiffness of a ski as a function of its flexion.
  • Figures 31 and 32 are views similar to Figure 1 illustrating alternative embodiments.
  • FIG. 33 is a cross-sectional view along T of FIGS. 31 and 32.
  • Figure 34 is a side view of the ski equipped with its support.
  • FIG. 35 is a cross-sectional view according to a simplified variant of FIG. 33.
  • Figures 36, 38, 39, 40, 41 and 44 are side views showing variants.
  • FIG. 37 is a cross-sectional view along T1 of FIG. 36.
  • FIG. 42a shows a detail of the embodiment of FIG. 41.
  • FIG. 42b shows a detail of the embodiment of FIG. 40.
  • Figures 42c and 42d are views similar to Figure 42b showing two variants.
  • Figure 42e shows a detail of an embodiment of Figure 42b.
  • FIG. 43 shows in perspective a detail of the embodiment of FIG. 41.
  • Figures 44 and 44a show a variant of Figures 40 and 41.
  • Figure 45 is a cross-sectional view similar to Figure 33 showing a variant.
  • FIG. 46 shows an alternative embodiment.
  • Figures 47 to 49 show two variants of the invention and in particular of the support.
  • Figures 47 and 48 are simplified cross-sectional views such as that of Figure 33.
  • Figure 49 is a longitudinal sectional view in the region of the support.
  • Figures 50 to 52 show, respectively in perspective, cross section and in plan, a variant of a ski according to the invention and in particular of the stiffener.
  • FIG. 1 represents a ski according to a first embodiment according to the invention. It comprises a lower assembly or base (1) and an upper assembly or stiffener (2) Said stiffener (2) is disposed above the base (1) and linked to the latter by connecting means (3).
  • the base (1) is the element in contact with the snow and is in the form of an elongated beam (10) having its own distribution of thickness, of width and therefore its own stiffness.
  • This elongated beam can have a stiffness less than or equal to that of a conventional ski.
  • the base (1) comprises a central part (113) slightly arched, having a lower sliding surface (114) and an upper surface (115).
  • the central part (113) occupies most of the length of the base and is extended on the one hand at the front by an anterior part (116) raised to form the spatula (117) and on the other hand, by a rear part (118) slightly raised to form the heel of the ski.
  • the rear part (118) being relatively short and of low lift, and the front part (116) is longer and much more arched, as is known per se and shown in the figures.
  • the structure of the base (1) can be of the sandwich type or of the box type or of any other type.
  • a preferred structure is shown comprising a rigid upper reinforcement (101) in the form of a shell with a "U" section forming a top wall (102) and two side walls (103 and 104), covering a core ( 105), the assembly being closed at its lower part by a lower element (106) comprising the metal edges (107, 108), a sliding layer (109) generally made of polyethylene as well as lower reinforcement elements (110, 111).
  • An upper surface layer (112) covers the upper reinforcement to form the decor of the base.
  • the reinforcing layers (101,110,111) can be of all types such as layers of composite materials such as fiberglass, carbon fiber with epoxy or polyester resin, or a metal alloy.
  • the core (105) can be filled or unloaded foam, wood or aluminum honeycomb.
  • the surface layer providing the decoration can be made of polyamide or other material, such as a thermoplastic material. It can be monolayer or made up of several layers.
  • the upper face (115) of the central part (113) of the base (1) is covered with a stiffener (2).
  • This element is intended to complete the distribution of the stiffnesses of the base (1) so as to obtain the desired overall distribution.
  • Said stiffener (2) can be of any kind, any shape and any structure.
  • the stiffener (2) is in the form of an elongated part (20) also having its own distribution of thickness, width and therefore stiffness.
  • the structure of the stiffener is of the box type and is formed of a core (201) disposed between an upper reinforcement (202) and a lower reinforcement (203 ).
  • the structure could also be of the sandwich type, that is to say be made up of a stack of different elements such as reinforcements and cores.
  • the stiffener (2) can also be constituted by a simple section in the shape of an "Omega" for example, as shown in FIG. 4. In this case, provision can be made to make the stiffener in composite material by the technique TRE (Reinforced Stampable Thermoplastic) or SMC (Sheet Molding Compound) for example.
  • the upper reinforcement (202) is covered with another additional reinforcement layer (204) in the shape of an inverted "U” and forming an upper wall (205) and two side walls (206,207).
  • a surface layer (208) covers the top and the side faces of the stiffener (2) to form the finish and the decoration thereof.
  • the reinforcing layers of the stiffener can be of all types such as layers of composite materials such as fiberglass, carbon fiber, with epoxy or polyester resin or even metallic reinforcements.
  • the core (201) can be filled or unloaded foam, wood or aluminum honeycomb.
  • the surface layer providing the decoration can be made of polyamide.
  • the stiffener (2) has a length "L2" less than the length "L1" of the base (1).
  • the front end (209) of the stiffener is located between the tip contact point (119) of the base and the front end (120) of the standardized area for mounting the fasteners.
  • the rear end (210) of the stiffener is located between the rear contact point (121) and the rear end (122) of the standardized area for mounting the fasteners.
  • the stiffener (2) has a length "L2" such that "L2" is less than "L1".
  • the length "L2" of the stiffener is between 50% and 100% of the length "L1".
  • the relative longitudinal position of the stiffener (2) relative to the base (1) may for example be such that the middle (211) of the stiffener (2) is at the middle (123) of the length (L1 ) contact of the base (1) with snow. But it could be otherwise; thus the middle (211) of the stiffener (2) can be further forward (AV) or further back (AR) relative to the middle (123) of the base.
  • the stiffener (2) can have the same width as the width of the base (1), as shown more particularly in FIG. 3. But it can be otherwise; thus the stiffener (2) may have a width "l2" less than the width "l1" of the base (1) and thus be narrower than the latter, as shown diagrammatically in FIG. 5. Similarly, the stiffener (2) can be wider than the base (1), as shown in Figure 7.
  • width of the two base unit (1) and / or stiffener (2) can be constant or variable as shown in Figures 8, 9 and 10.
  • FIG. 8 shows, in top view, an exemplary embodiment of a ski according to which the width "l2" of the stiffener (2) is variable and roughly follows the variation of the width "l1" of the base ( 1).
  • Figure 9 is a view similar to Figure 7 showing another embodiment in which the width "l1" of the base (1) is variable while the width "l2" of the stiffener is constant.
  • FIG. 10 is another variant according to which the variation of the width "l2" of the stiffener is opposite to that of the width "l1" of the base, that is to say that when the width "l1" of l 'base 1 increases, the width "l2" of the stiffener 2 decreases.
  • the stiffener 2 comprises in its central zone (212) a narrowing in width to form two lateral clearances (213,214) extending over a length "L'2" less than "L2", the stiffener (2) thus comprising a central part (215) of reduced width .
  • the stiffener (2) can advantageously comprise a narrowing of its thickness in the central zone (212) extending over a length L''2 less than L2.
  • the clearance thus formed in the region provided for the mounting of the bindings makes it possible to reduce the height between the skier's shoe and the snow.
  • the base (1) and the stiffener (2) are elongated parts of respective height "h1" and "h2".
  • the two heights "h1” and “h2” can have the same value, but also be different.
  • "h1” can be greater or less than "h2”.
  • "h1" and / or “h2" can be constant depending on the longitudinal position where the measurement is made.
  • the stiffener can have its height "h2" which decreases towards the front or towards the rear, or even both both towards the front and towards the rear as shown. It is the same for the base.
  • the stiffener (2) is linked to the base (1) by connection means (3) such that the connection between the two elements is flexible and / or partially rigid.
  • connection (3) between the two base assemblies (1) and stiffener (2) is completely flexible.
  • the connecting means (3) are produced by a flexible interface (30) arranged between the two assemblies, over the entire length of the stiffener.
  • the interface therefore has a width "l2" equal to that of the stiffener (2) and a length "L2" equal to that of the latter.
  • the interface (30) is produced by a layer of a flexible material of the elastic type, and in particular of the viscoelastic type, of thickness from 0.1 to 5 mm, which is glued or welded on the one hand to the upper surface. (115) of the base (1) and on the other hand under the lower surface (216) of the stiffener.
  • the material used can be elastic with a hardness of 10 to 85 shores A or viscoelastic material with a modulus of elasticity of 15 to 160 megapascal, a hardness of 50 to 95 shores A and a damping value of 0 , 13-0.72.
  • these data are only examples of implementation, and for a temperature of 20 degrees and a frequency of 15 hertz.
  • the interface (30) is fixed to the base (1) and the stiffener (2) is produced either by a thermosetting resin of the polyester, vinylester or polyurethane epoxy type or a thermoplastic film such as a polyamide, or any other way.
  • the flexible connection according to the embodiment previously described is total and extends under the entire length (L2) of the stiffener (2), but it can be otherwise. Indeed, the flexible connection can only be partial and not extend under the entire length of the stiffener (2), as shown in FIGS. 13 and 14.
  • FIG. 13 therefore represents a first variant according to which the connection (3) is flexible and partial, and is produced by two flexible interfaces, a first flexible front interface (31) and a second flexible rear interface (32) disposed respectively under the front end (209) and rear end (210) of the stiffener (2).
  • FIG. 14 represents a second variant according to which the flexible connection (3) is produced by a flexible central interface (33) disposed between the base (1) and the stiffener (2) in the central zone of the ski and the length of which " L3 "is less than the length" L2 "of said stiffener, to constitute a partial flexible connection.
  • connection (3) between the base (1) and the stiffener (2) is partially rigid; that is to say that the connection, when it is rigid, does not extend under the entire surface of the stiffener (2) as shown in FIGS. 15 and 16.
  • FIG. 15 shows a variant according to which the connection (3) is partial and rigid; that is to say that the stiffener (2) is rigidly connected by its central lower surface (218) to the base (1).
  • the connection (3) is partial and rigid; that is to say that the stiffener (2) is rigidly connected by its central lower surface (218) to the base (1).
  • the central part (212) is fixed to the base (1) while the front part (219) and the rear part (220) are free.
  • Figure 16 shows another arrangement where the connection (3) is rigid and partial. According to this arrangement, only the front and rear ends (209 and 210) of the stiffener (2) are fixed to the base (1) to leave the central area (212) free.
  • the rigid connection (3) can be obtained by any means such as bonding, by mechanical connection such as screws or rivets or even by welding, in particular by ultrasound or by vibration.
  • connection (3) between the base (1) and its stiffener (2) can be mixed, that is to say partly flexible and partly rigid as shown in FIG. 17.
  • the central zone of the ski comprises a flexible central link (33), while the front and rear ends (209 and 210) of the stiffener are fixed to the base (1) by two partial links , rigid, a first rigid link or front link (35) and a second rigid link or rear link (36).
  • the arrangement is opposite.
  • the rigid partial connection (34) is in the center as in the variant of FIG. 15, but the front (219) and rear (220) parts of the stiffener (2) are linked to the base by flexible partial connections, a first flexible front link (31) and a second flexible rear link (32).
  • the rigid central link (34) can be obtained by a downward projection coming from the stiffener or a central intermediate wedge or central rigid interface (340).
  • Figures 19 and 20 show the case where the stiffener is linked to the base by its front and rear ends (209, 210) and where the fasteners (5) are directly linked to the stiffener.
  • an adjustment screw (22) resting on an elastomer ring (23) elastically connects the stiffener (2 ) at the base (1) in the central part of the ski.
  • the longitudinal displacements of the stiffener are made possible by providing a space of a few tenths of mm. in the longitudinal direction between the shoulder (220) of the screw (22) passing through the stiffener and the internal walls of the hole in the stiffener.
  • Figures 21 and 22 show a variant of Figures 18 and 19 in which the stiffener is connected to the base by a transverse rod (24) integral with the stiffener (2) and each end of the rod bears laterally in an oblong hole ( 15) produced in the base, and particularly through a lateral flange (16) of the base.
  • the transverse rod (24) is fixed transversely to the base by any suitable retaining means. The longitudinal displacements of the stiffener relative to the base are made possible as in the previous embodiment.
  • the upper surface (115) of the base is a surface whose generator is parallel to the lower sliding surface (114).
  • the upper surface (115) is at the bottom and inclined as shown in FIG. 23 where the connection interface (3) is inclined either towards the inside of the ski, or towards the outside.
  • Figures 24, 25 and 26 are schematic views in cross section of three other alternative forms of the interface.
  • the interface area is not flat but has a complex shape.
  • the surface of the interface (3) is curved.
  • the base (1) comprises a longitudinal hollow profile and the lower surface (216) of the stiffener (2) comprises a corresponding room profile.
  • the arrangement shown in Figure 26 is reversed.
  • the base (1) comprises on the top a projecting profile and the lower surface (216) of the stiffener comprises a corresponding hollow profile.
  • the lower surface (216) of the stiffener (2) has a shape complementary to the upper surface (115) of the base, and this at least at the connection, but it could be otherwise. , as shown in the variant of FIG. 27 according to which it is the connection (3) which ensures the form cooperation, on the one hand with the base (1) at its lower surface, and on the other hand with the stiffener (2) on its upper surface.
  • the surface layer (112) of the base (1) can extend over the entire length thereof, including in the area of the connection or only in areas where there is no said connection (3).
  • FIG. 3a shows a variant according to which the surface layer (112) of the base extends even in the region of the connection.
  • the interface (30) is fixed on the surface layer (112) of said base (1).
  • the stiffness of the stiffener (2) may be less than or equal to that of the base (1).
  • Figures 28 and 29 show variants in which the stiffener (2) mounted on a flexible interface is retained longitudinally relative to the base (1).
  • the base (1) comprises two stops, a first front stop (130), and a second rear stop (131).
  • Figure 28 is an embodiment according to which the stiffener is somehow embedded in the base.
  • Figure 29 is another embodiment.
  • FIGS. 14 and 15 make it possible to obtain a ski whose stiffness varies non-linearly with the deformation of the ski.
  • This ski reacting differently depending on the speed and amplitude of the flexions. Indeed, at rest and during slight bending, given the presence of the front (ea) and rear (er) spaces, the base is not in contact with the ends of the stiffener. On the other hand, from a certain bending, there is contact and action of the stiffener on the base.
  • FIG. 30 schematically represents the curve of the stiffness of the ski as a function of the bending of the latter.
  • the flexible connection produced with an elastic interface and produced with a sheet may be such that said sheet has a constant or variable thickness. For example, being thicker towards the front or vice versa, or even thicker both forwards and backwards.
  • a layer of flexible material whose properties are such that the stiffness is not constant throughout this layer. Indeed it could be more flexible at the front or vice versa.
  • Figure 31 shows an improvement particularly suitable when the stiffener (2) has a width less than the base (1).
  • the ski comprises at least one support (4) intended to receive the binding (s) (5) for retaining the skier's boot.
  • Said support (4) has the shape of a stirrup having the shape of an inverted “U” and comprises an upper wall (40) extended laterally and downwards by two side walls (41, 42) to constitute a housing ( 43) lower having the shape of a longitudinally extending hollow profile intended for the passage of the stiffener (2). It should be noted that the dimensions of the housing both horizontal "l4" and vertical "h4" are greater than the horizontal dimensions "l2" and vertical "h2" of the stiffener to form a space "e" necessary for the freedom of the latter.
  • the stiffener does not directly receive the stresses of the skier. Also, the support or the bracket (4) is supported only on the base (1).
  • connection between the support and the base is rigid and obtained for example by gluing, welding or any other means, such as mechanical.
  • the support (4) constitutes the mechanical element for transmitting and distributing the stresses of the skier on the base.
  • the support (4) receives at the front the front attachment (51) and extends rearward over a length "L4" up to under the rear attachment (52). Said rear attachment (52) commonly called heel being itself fixed on the rear part of said support (4).
  • FIG. 32 represents a variant according to which the ski comprises two supports (4) spaced from one another, a first front support (4a) on which the front stop (51) for retaining the boot is fixed, and a second support or rear support (4b) on which the heel piece (52) is fixed.
  • the support (4, 4a, 4b) can be an injected plastic element or a metal profile, a pultruded or extruded plastic element.
  • a pultruded or extruded plastic element By way of example, mention may be made of the use of polyamides or stylemes for the composition of the support.
  • the support (4, 4a, 4b) can be in one and the same piece or be made up of different pieces, or even made up of a part of the corresponding fixing (5, 51, 52).
  • connection (6) between the support (4, 4a, 4b) and the base can be rigid but also flexible.
  • FIG. 34 shows such a variant, and in which the connection is made by an interface (60) made of flexible material.
  • Figure 35 is a variant of Figures 33 and 34 in which the stiffener (2) is integrated in the base (1).
  • the base (1) is extended, on each side, by two lateral edges (10, 11) thus creating a housing (13) intended for the passage of the stiffener (2).
  • the dimensions of the housing (13) both horizontal “l5" and vertical "h5" are greater than the horizontal dimensions "l2" and vertical "h2" of the stiffener to form, as in the case of the previous variant, a space “e” .
  • the support (4) is, in this case, in the form of a simple plate integral with the upper surfaces of the lateral edges (10, 11) of the base (1).
  • Figures 36 and 37 show another variant in which the stiffener (2) is linked to the base (1) by a transverse articulation (7).
  • two lateral retaining walls (70, 71) are provided which are integral with the base (1).
  • a support (4) for the fastenings as shown in FIG. 38.
  • FIG 39 there is shown another variant in side view according to which the base (1) comprises in its central part (113), a projection (8) to which the stiffener (2) is linked; the connection can of course be rigid or flexible and in this case, produced by an interface as in the previous embodiments.
  • Figures 40 to 43 show other embodiments in which the stiffener (2) is connected to the base by its front and rear ends (209, 210) by retaining means constituted by intermediate elements (90, 91 ) vertical and lateral restraint.
  • the lower surface (216) of the stiffener (2) is not directly in contact with the upper surface (115) of the base (1), while in the variant of Figure 41 there is contact.
  • the increase in height has the particular effect of increasing the torque exerted by the stiffener on the base at the level of the retaining elements (90, 91), which has the consequence of increasing the pressure from the base on the snow.
  • the retaining means (90, 91) each consist of at least one transverse wall (92) extending upwards and a horizontal wall (93) extending towards the center of the ski to form a lower housing (94) open towards the center of the ski and closed laterally by two side walls (95, 96) of lateral retention.
  • the ends (209, 210) of the stiffener being engaged and retained in the lower housing (94).
  • the clearance "e1" allows a displacement "d" of the corresponding end. But the relative displacement can be done against the action of an elastic system (97), as shown in Figure 42d.
  • the height of the stiffener can be adjustable by an adjustment means such as screwing or the like as shown in FIG. 42c.
  • the longitudinal and vertical retaining means (90, 91) could also be constituted by articulation systems (90 ', 91') as shown in Figures 44 and 44a.
  • the front (209) and rear (210) ends of the stiffener (2) are linked to the base (1) by a transverse articulation axis (90, 91), said articulation (90 ', 91') being retained at the base (1) by a hinge support (80) comprising two lateral retaining walls (81, 82).
  • the bracket (4, 4a, 4b) shown above has the general shape of an inverted “U", but it could be otherwise, as for example that is represented in FIG. 45.
  • the bracket (4) is formed by a part having the general shape of a "U” whose transverse wall (46) is disposed between the stiffener (2) and its base (1).
  • the damping of the ski is achieved by the friction of the ends (209 and 210) of the stiffener on the upper surface of the base.
  • FIG. 46 represents a variant of a ski in a cross section according to which it comprises an outer casing (200) under which the base (1) is located with its stiffener (2).
  • the outer envelope (200) having for example a decorative effect.
  • Figures 47 to 49 show an alternative embodiment of the invention in which the support (4) comprises one or more layers of reinforcements so as to complete the stiffness characteristics of the base (1).
  • Such a construction can be useful in particular when it is desired to reduce the height of the base / support complex while retaining sufficient mechanical characteristics.
  • FIG. 47 illustrates the case where the stirrup is provided with a reinforcement insert (470) having the form of a plate inserted in a shell (471) in the shape of an inverted U.
  • the insert can be a metal plate of aluminum alloy for example or a plate of composite material.
  • the support (4) can be obtained by injection molding of the plastic shell (48). In this case, one can of course provide that the insert is secured to the shell during injection.
  • FIG. 48 illustrates the case where the stirrup consists of a reinforcing shell (480) in the shape of an inverted U on which a layer of decoration (481) is secured.
  • the reinforcing shell (480) can be made of one or more layers of composite materials of any type as seen previously for the construction of the reinforcing layers of the base.
  • the decor layer (481) can be made of a plastic material such as polyamide or the like.
  • FIG. 49 illustrates the internal structure of the ski of the invention in the region where the support extends (4).
  • the structure of the base (1) comprises, inter alia, a sliding layer (109), lower reinforcing elements (110, 111), a core (105).
  • the upper reinforcement elements do not cover the core, unlike in the case of FIG. 3a and are replaced by the reinforcement element (480) of the support (4).
  • the support (4) can extend more widely beyond the area for mounting the bindings, which can be particularly advantageous insofar as its function is not only that of having to transmit the stresses of the skier on the base but also that of intervening in the distribution of stiffness along the ski.
  • Figures 50 to 52 show an embodiment in which the stiffener is of a particular design so as to limit its size and therefore reduce the height of the bindings relative to the snow.
  • the stiffener (2) consists of two central sections (24, 25) of useful length L3 at least equal to or greater than the length of the area provided for mounting the fasteners (5).
  • the profiles are spaced from each other by a distance 13 sufficient for the passage of the fasteners (5). They can be housed laterally in part or completely in the complementary shaped housings (14) of the base so as to limit their overall size as much as possible.
  • Front and rear coupling members (26, 27) make it possible to statically connect each of the ends of the profiles (24, 25). Each of these members (26, 27) is fixed by a rigid or flexible connection to the base (1) of the ski.
  • the profiles are preferably made of composite material by pultrusion and assembled by molding, gluing or any other means to the coupling members (26, 27).

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
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EP91117195A 1990-12-14 1991-10-09 Ski pour sport d'hiver comprenant un raidisseur et une embase Withdrawn EP0490044A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR9016047A FR2670392B1 (fr) 1990-12-14 1990-12-14 Ski pour sport d'hiver constitue d'une embase et d'un raidisseur.
FR9016047 1990-12-14
FR9105011A FR2675391B1 (fr) 1991-04-16 1991-04-16 Ski pour sport d'hiver comprenant un raidisseur et une embase.
FR9105011 1991-04-16

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EP0490044A1 true EP0490044A1 (fr) 1992-06-17

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EP (1) EP0490044A1 (ja)
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FR2698013A1 (fr) * 1992-11-19 1994-05-20 Rossignol Sa Dispositif de montage d'une chaussure sur un ski alpin.
EP0609543A1 (fr) * 1993-02-05 1994-08-10 Salomon S.A. Perfectionnement pour dispositif pour ski et ski équipé d'un tel dispositif
EP0620028A1 (fr) * 1993-04-16 1994-10-19 Skis Rossignol S.A. Ski comportant des chants et une coque supérieure
EP0620027A1 (fr) * 1993-04-16 1994-10-19 Skis Rossignol S.A. Ski comportant des chants et une coque supérieure
EP0627946A1 (en) * 1992-02-24 1994-12-14 K-2 Corporation Snow ski with integral binding isolation mounting plate
EP0677306A1 (fr) * 1994-04-15 1995-10-18 Skis Rossignol S.A. Ski et son procédé de fabrication
FR2718650A1 (fr) * 1994-04-18 1995-10-20 Rossignol Sa Ski alpin.
EP0744195A1 (fr) * 1995-05-22 1996-11-27 Skis Rossignol S.A. Planche de glisse sur neige comportant une plate-forme de réception et de surélévation des fixations de la chaussure
EP0744194A1 (fr) * 1995-05-22 1996-11-27 Skis Rossignol S.A. Planche de glisse sur neige pourvue de chants auxiliaires de hauteur inférieure à celle de la planche
EP0753330A1 (fr) * 1995-07-13 1997-01-15 Skis Rossignol S.A. Moyens pour pratiquer le ski de fond selon la technique du pas du patineur
FR2742343A1 (fr) * 1995-12-19 1997-06-20 Rossignol Sa Planche de glisse equipee d'un dispositif destine a modifier la raideur de la planche sous l'effet d'une poussee verticale donnee par l'utilisateur
EP0806228A1 (fr) * 1996-05-07 1997-11-12 Skis Rossignol S.A. Ski
US5775715A (en) * 1995-08-01 1998-07-07 K-2 Corporation Piezoelectric damper for a board such as a snow ski or snowboard
US5836604A (en) * 1995-05-22 1998-11-17 Skis Rossignol, S.A. Board for gliding on snow, including a device for mounting a boot binding
WO1999024126A1 (en) * 1997-11-11 1999-05-20 Elan Line D.O.O. Ski provided with a vibration damping layer
US5915716A (en) * 1995-08-02 1999-06-29 Skis Rossignol S.A. Vibration-damping device for board for sliding on snow
USRE36453E (en) * 1993-04-16 1999-12-21 Skis Rossignol S.A. Ski including sides and an upper shell
USRE36586E (en) * 1991-11-19 2000-02-29 Skis Rossignol S.A. Shaped ski of non-rectangular cross section
FR2788002A1 (fr) * 1998-12-30 2000-07-07 Jean Louis Tardy Ski a profils de carres variables
US6095547A (en) * 1995-08-01 2000-08-01 K-2 Corporation Active piezoelectric damper for a snow ski or snowboard
FR2809021A1 (fr) * 2000-05-18 2001-11-23 Look Fixations Sa Element de rehaussement d'une fixation
WO2002056979A1 (en) * 2001-01-19 2002-07-25 Elan, D.D. Ski with integrated platform
US6783145B2 (en) 2001-02-20 2004-08-31 Skis Rossignol S.A. Raising platform for a binding of a board for gliding, and board for gliding equipped with such a platform
US6834880B2 (en) 2001-02-20 2004-12-28 Skis Rossignol S.A. Board for gliding
US7021648B2 (en) * 2001-02-20 2006-04-04 Skis Rossignols S.A. Board for gliding
FR2894490A1 (fr) * 2005-12-14 2007-06-15 Skis Rossignol Sas Soc Par Act Perfectionnement pour planche de glisse sur neige
EP1952855A1 (de) * 2007-02-02 2008-08-06 ATOMIC Austria GmbH Schi oder Snowboard mit einem Mittel zur Beinflussung seiner Geometrie
EP1952856A1 (de) * 2007-02-02 2008-08-06 ATOMIC Austria GmbH Schi oder Snowboard mit einem plattenartigen Kraftuebertragungselement
EP1952854A1 (de) * 2007-02-02 2008-08-06 ATOMIC Austria GmbH Schi oder Snowboard mit einem Mittel zur Beeinflussung seiner Geometrie sowie Verfahren zu dessen Herstellung

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US5782482A (en) * 1996-01-30 1998-07-21 K-2 Corporation Snowboard and method of construction
US6131939A (en) 1998-08-17 2000-10-17 Fels Canadian Ski Company Ltd. Snow ski having slidingly interconnected upper and lower ski sections
US6520529B1 (en) * 1999-09-29 2003-02-18 K-2 Corporation Integrated modular glide board
US6612605B2 (en) 1999-09-29 2003-09-02 K-2 Corporation Integrated modular glide board
FR2812211B1 (fr) * 2000-07-28 2003-02-07 Salomon Sa Planche de glisse
US6866273B2 (en) 2000-12-08 2005-03-15 The Burton Corporation Sliding device
FR2832643B1 (fr) * 2001-11-27 2004-01-16 Rossignol Sa Perfectionnement pour planche de glisse sur neige
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DE20204651U1 (de) 2002-03-18 2003-08-07 Harder, Wulf, Åmål Vorrichtung zum Schutz gegen unauthorisierte Benutzung von Software
FR2854333B1 (fr) * 2003-04-30 2005-07-22 Rossignol Sa Perfectionnement pour planche de glisse sur neige
ITVE20030021A1 (it) * 2003-06-10 2004-12-11 Vittorio Quaggiotti Sci da discesa.
FR2873043B1 (fr) * 2004-07-15 2008-10-03 Skis Rossignol Sa Sa Perfectionnement pour planche de glisse sur neige
US7000978B1 (en) * 2004-08-20 2006-02-21 Frank Messano Thin-skin ultralight recreational vehicle body system
DE102005054985A1 (de) * 2005-11-16 2007-05-24 Marker Völkl International GmbH Schneegleitbrett sowie Schalenbauteil für ein Schneegleitbrett
US7461738B1 (en) 2007-06-30 2008-12-09 Keith Manufacturing Co. Reciprocating slat conveyors
FR2926735B1 (fr) * 2008-01-25 2010-03-26 Salomon Sa Ski alpin avec moyens de reglage
US20100025193A1 (en) 2008-07-30 2010-02-04 Scott Michael Delamarter Conveyor slat/support beam assembly for reciprocating slat conveyor
AT508022B1 (de) 2009-07-06 2010-10-15 Atomic Austria Gmbh Brettartiges gleitgerät in der gestalt eines schis oder snowboards
US9305120B2 (en) 2011-04-29 2016-04-05 Bryan Marc Failing Sports board configuration
US20220314101A1 (en) * 2021-04-02 2022-10-06 SWS Sports Boards Industries LLC Snowboards, skis and method of manufacturing same

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FR2109654A5 (ja) * 1970-09-28 1972-05-26 Smolka & Co Wiener Metall
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Cited By (47)

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Publication number Priority date Publication date Assignee Title
USRE36586E (en) * 1991-11-19 2000-02-29 Skis Rossignol S.A. Shaped ski of non-rectangular cross section
EP0627946A4 (en) * 1992-02-24 1995-01-25 K 2 Corp SKI WITH INSULATING AND SOLIDARITY MOUNTING PLATE FOR FIXING.
EP0627946A1 (en) * 1992-02-24 1994-12-14 K-2 Corporation Snow ski with integral binding isolation mounting plate
US5671940A (en) * 1992-11-19 1997-09-30 Skis Rossignol S.A. Device for mounting a boot on a downhill ski
FR2698013A1 (fr) * 1992-11-19 1994-05-20 Rossignol Sa Dispositif de montage d'une chaussure sur un ski alpin.
EP0609543A1 (fr) * 1993-02-05 1994-08-10 Salomon S.A. Perfectionnement pour dispositif pour ski et ski équipé d'un tel dispositif
FR2701215A1 (fr) * 1993-02-05 1994-08-12 Salomon Sa Perfectionnement pour dispositif d'amortissement pour ski et ski équipé d'un tel dispositif.
US5465994A (en) * 1993-02-05 1995-11-14 Salomon S.A. Device for damping ski vibrations
FR2703916A1 (fr) * 1993-04-16 1994-10-21 Rossignol Sa Ski comportant des chants et une coque supérieure.
FR2703915A1 (fr) * 1993-04-16 1994-10-21 Rossignol Sa Ski comportant des chants et une coque supérieure.
USRE36453E (en) * 1993-04-16 1999-12-21 Skis Rossignol S.A. Ski including sides and an upper shell
EP0620028A1 (fr) * 1993-04-16 1994-10-19 Skis Rossignol S.A. Ski comportant des chants et une coque supérieure
EP0620027A1 (fr) * 1993-04-16 1994-10-19 Skis Rossignol S.A. Ski comportant des chants et une coque supérieure
US5496053A (en) * 1993-04-16 1996-03-05 Skis Rossignol S.A. Ski including sides and an upper shell
US5553884A (en) * 1993-04-16 1996-09-10 Skis Rossignol S.A. Ski comprising narrow sides and an upper shell
EP0677306A1 (fr) * 1994-04-15 1995-10-18 Skis Rossignol S.A. Ski et son procédé de fabrication
FR2718648A1 (fr) * 1994-04-15 1995-10-20 Rossignol Sa Ski et son procédé de fabrication.
FR2718650A1 (fr) * 1994-04-18 1995-10-20 Rossignol Sa Ski alpin.
EP0744195A1 (fr) * 1995-05-22 1996-11-27 Skis Rossignol S.A. Planche de glisse sur neige comportant une plate-forme de réception et de surélévation des fixations de la chaussure
EP0744194A1 (fr) * 1995-05-22 1996-11-27 Skis Rossignol S.A. Planche de glisse sur neige pourvue de chants auxiliaires de hauteur inférieure à celle de la planche
FR2734489A1 (fr) * 1995-05-22 1996-11-29 Rossignol Sa Planche de glisse sur neige "a demi-coque", pourvue de chants de support de la coque
FR2734490A1 (fr) * 1995-05-22 1996-11-29 Rossignol Sa Planche de glisse sur neige comportant une plateforme de reception et de surelevation des fixations de la chaussure
US5836604A (en) * 1995-05-22 1998-11-17 Skis Rossignol, S.A. Board for gliding on snow, including a device for mounting a boot binding
EP0753330A1 (fr) * 1995-07-13 1997-01-15 Skis Rossignol S.A. Moyens pour pratiquer le ski de fond selon la technique du pas du patineur
FR2736556A1 (fr) * 1995-07-13 1997-01-17 Rossignol Sa Moyens pour pratiquer le ski de fond selon la technique du pas du patineur
US6095547A (en) * 1995-08-01 2000-08-01 K-2 Corporation Active piezoelectric damper for a snow ski or snowboard
US5775715A (en) * 1995-08-01 1998-07-07 K-2 Corporation Piezoelectric damper for a board such as a snow ski or snowboard
US5915716A (en) * 1995-08-02 1999-06-29 Skis Rossignol S.A. Vibration-damping device for board for sliding on snow
EP0780142A1 (fr) * 1995-12-19 1997-06-25 Skis Rossignol S.A. Planche de glisse équipée d'un dispositif destiné à modifier la raideur de la planche sous l'effet d'une poussée verticale donnée par l'utilisateur
FR2742343A1 (fr) * 1995-12-19 1997-06-20 Rossignol Sa Planche de glisse equipee d'un dispositif destine a modifier la raideur de la planche sous l'effet d'une poussee verticale donnee par l'utilisateur
FR2748398A1 (fr) * 1996-05-07 1997-11-14 Rossignol Sa Planche de glisse
EP0806228A1 (fr) * 1996-05-07 1997-11-12 Skis Rossignol S.A. Ski
WO1999024126A1 (en) * 1997-11-11 1999-05-20 Elan Line D.O.O. Ski provided with a vibration damping layer
FR2788002A1 (fr) * 1998-12-30 2000-07-07 Jean Louis Tardy Ski a profils de carres variables
FR2809021A1 (fr) * 2000-05-18 2001-11-23 Look Fixations Sa Element de rehaussement d'une fixation
WO2002056979A1 (en) * 2001-01-19 2002-07-25 Elan, D.D. Ski with integrated platform
US6783145B2 (en) 2001-02-20 2004-08-31 Skis Rossignol S.A. Raising platform for a binding of a board for gliding, and board for gliding equipped with such a platform
US6834880B2 (en) 2001-02-20 2004-12-28 Skis Rossignol S.A. Board for gliding
US7021648B2 (en) * 2001-02-20 2006-04-04 Skis Rossignols S.A. Board for gliding
FR2894490A1 (fr) * 2005-12-14 2007-06-15 Skis Rossignol Sas Soc Par Act Perfectionnement pour planche de glisse sur neige
EP1808202A1 (fr) 2005-12-14 2007-07-18 Skis Rossignol Perfectionnement pour planche de glisse sur neige
EP1952855A1 (de) * 2007-02-02 2008-08-06 ATOMIC Austria GmbH Schi oder Snowboard mit einem Mittel zur Beinflussung seiner Geometrie
EP1952856A1 (de) * 2007-02-02 2008-08-06 ATOMIC Austria GmbH Schi oder Snowboard mit einem plattenartigen Kraftuebertragungselement
EP1952854A1 (de) * 2007-02-02 2008-08-06 ATOMIC Austria GmbH Schi oder Snowboard mit einem Mittel zur Beeinflussung seiner Geometrie sowie Verfahren zu dessen Herstellung
US7900950B2 (en) 2007-02-02 2011-03-08 Atomic Austria Gmbh Ski or snowboard with a means for influencing its geometry and a method of producing it
US7946608B2 (en) 2007-02-02 2011-05-24 Atomic Austria Gmbh Ski or snowboard with a plate-type force-transmitting element
US8020887B2 (en) 2007-02-02 2011-09-20 Atomic Austria Gmbh Ski or snowboard with a means for influencing its geometry

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US5447322A (en) 1995-09-05
JPH04292182A (ja) 1992-10-16

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