EP0498053B1 - Ski für Wintersport mit Montagebühne für Skibindungen - Google Patents

Ski für Wintersport mit Montagebühne für Skibindungen Download PDF

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Publication number
EP0498053B1
EP0498053B1 EP91120018A EP91120018A EP0498053B1 EP 0498053 B1 EP0498053 B1 EP 0498053B1 EP 91120018 A EP91120018 A EP 91120018A EP 91120018 A EP91120018 A EP 91120018A EP 0498053 B1 EP0498053 B1 EP 0498053B1
Authority
EP
European Patent Office
Prior art keywords
ski
upper reinforcement
ski according
shock absorption
reinforcement
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 - Lifetime
Application number
EP91120018A
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English (en)
French (fr)
Other versions
EP0498053A1 (de
Inventor
Jean-Pierre Clement
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
Application filed by Salomon SAS filed Critical Salomon SAS
Publication of EP0498053A1 publication Critical patent/EP0498053A1/de
Application granted granted Critical
Publication of EP0498053B1 publication Critical patent/EP0498053B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • A63C5/06—Skis or snowboards with special devices thereon, e.g. steering devices
    • A63C5/075—Vibration dampers

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 ski and in particular of its area for mounting the bindings.
  • ski we already know different types of ski and there are many variations. These consist of an elongated beam whose front end is curved upwards to form a spatula, the rear end also being more slightly to form the heel.
  • the structure generally comprises peripheral protection 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 tip, a rear part slightly raised in heel, a central arched part. .
  • the present invention therefore seeks to overcome these drawbacks by proposing a ski whose damping device is integrated into its structure.
  • the ski according to the invention has the form of an elongated beam constituted by a core, a lower reinforcement, an upper reinforcement and a damping element in the area for mounting the bindings; said damping element being disposed on said upper reinforcement and under a second central upper reinforcement, characterized in that the second upper reinforcement is covered with a surface covering layer extending forward (AV) and towards the rear (AR) to cover beyond the mounting area the first upper reinforcement; said mounting area projecting from the general plane of the ski to form an integrated damping platform.
  • AV forward
  • AR rear
  • the first upper reinforcement and the second central upper reinforcement consist of layers of composite materials or of a metal alloy, while the core is a synthetic foam, wood or honeycomb, and the surface covering layer is polyamide or thermoplastic material.
  • the damping element consists of a strip of elastically deformable material, and for example of viscoelastic material.
  • the damping element consists of at least two independent elements, at least one of which has dimensional and / or mechanical and physical characteristics different from the other. For example, it consists of three independent elements.
  • the fitted ski is such that the binding retaining screws are anchored both in the first upper reinforcement and in the second central upper reinforcement.
  • the ski according to the invention makes it possible to satisfy at least three functions: the damping of the structure, a better tolerance of the distribution of pressures and a significant improvement in the suspension of the skier vis-à-vis the shocks received by the ski.
  • the damping elements are positioned at the places where the deformation is maximum, that is to say at the front and at the rear of the mounting area.
  • the goal is to have a damping gradient all along the mounting area with maximum damping at the ends and minimum in the center. In order to dissipate the energy of the damping element, it is sandwiched between two rigid elements thus causing it to shear.
  • Figure 1 is a side view of a first embodiment of a ski according to the invention.
  • Figure 2 is a top view of Figure 1.
  • Figure 3 is a cross section along III-III of Figure 1.
  • Figure 4 is a cross section along IV-IV of Figure 1.
  • Figure 5 is a partial view on a larger scale in a longitudinal section of the central part of the ski and its area for mounting the bindings.
  • Figure 5a shows a detail
  • FIGS 6 to 11 are views similar to Figure 5 showing alternative embodiments.
  • FIG. 1 represents a ski according to a first embodiment according to the invention.
  • the body of the ski has, in known manner, the shape of an elongated beam having a lower sliding surface (1) and an upper surface (2).
  • the slightly arched central part is extended on the one hand at the front by an anterior part (3) raised to form the tip (4) and on the other hand by a posterior part (5) slightly raised to form the heel of the ski .
  • the rear part (5) being relatively short and of low lift, and the front part (3) being longer and much more arched, as is known per se and shown in the figure.
  • the structure of the ski body can be of the sandwich type or of the box type or of any other type.
  • a preferred structure is shown comprising a first rigid upper reinforcement (6) in the form of a shell with "U" section forming a top wall (7) and two side walls (8 and 9), covering a core (10), the assembly being closed at its lower part by a lower element (11) comprising the metal edges (12,13), a sliding layer (14) generally made of polyethylene as well as lower reinforcement elements (15.16).
  • An upper surface layer (17) covers the upper reinforcement to form the decoration.
  • the reinforcing layers (6,15,16) can be of any type such as layers of composite materials such as fiberglass, carbon fiber with epoxy or polyester resin, or a metal alloy.
  • the core (10) can be filled or unloaded foam, wood or aluminum honeycomb.
  • the surface layer providing the decoration can be made of polyamide. or other such as in thermoplastic material. It can be monolayer or made up of several layers.
  • the ski comprises in its mounting area (18) bindings (19,20) a damping element (21).
  • this damping element (21) is arranged in the central part of the ski, at the level of the mounting zone (18) of the bindings, on the one hand on the upper reinforcement (6) and more precisely on the upper surface of its upper wall (7) and on the other hand, under a second reinforcement central superior (22). Said damping element is therefore sandwiched between two layers of rigid reinforcement (7,22).
  • the damping element (21) consists of a strip of resilient material advantageously of the viscoelastic type.
  • This strip of thickness between 0.5 to 6 mm can therefore be made of thermosetting or thermoplastic synthetic viscoelastic rubber or filled PVC:
  • This strip located in the central part (18) at the level of the mounting area of the fasteners does not does not extend longitudinally over the entire length of the ski, but only partially and has a length "X" which depends on the length "L” of the ski.
  • the length "X" of the damping element can for example be between 400 and 1000 millimeters.
  • the material used to constitute the damping element can be elastic with a hardness of between 60 and 90 shore A, or a viscoelastic material having a damping value of 0.1 to 0.8 (values for a temperature of 20 ° and a frequency of 15 Hz).
  • the second upper reinforcement (22) is in a technical layer of composite materials such as fiberglass or carbon with epoxy or polyester resin, or a metal sheet such as steel or aluminum. This layer can be monolayer or made up of several layers.
  • This second upper reinforcement disposed on the damping element (21) and integral with the latter by gluing or welding has for example a thickness of between 0.5 and 2 mm.
  • the damping element (21) is also glued to the upper wall (7) of the reinforcement (6).
  • the damping element (21) is arranged on the upper reinforcement layer (7) which extends over the entire length of the ski, the mounting area (18) of the bindings is found to be indoors with respect to in the upper general plane of the ski to form a platform (23) of length "X" and height "h".
  • the surface layer (17) covering the top of the second central upper reinforcement (22) extends forwards and backwards to cover beyond the platform, the first upper reinforcement (6,7 ).
  • the screws (24) intended to retain the fixings are anchored both in the first upper reinforcement (7) and in the second central upper reinforcement (22) covering the damping element (21) as shown on Figure 5a ..
  • the thickness "e" of the strip constituting the damping element is constant, but it could be otherwise, as shown in Figures 6 and 7.
  • the thickness "e" of the damping element (21) is greater at the front (AV) to decrease progressively towards the rear (AR).
  • the variation is opposite and the thickness "e" of the damping element (21) is greater at the rear (AR) to decrease progressively forward (AV).
  • FIG. 8 is a variant according to which the second central upper reinforcement (22) extends forwards (AV) and rearwards (AR) beyond the damping element (21) to be integral with the front and rear by its front (220) and rear (221) ends at the upper wall (7) of the first upper reinforcement (6).
  • FIG. 9 is another variant according to which the lower part of the central part (210) of the damping element (21) comprises a succession of hollow transverse profiles (211). these hollow profiles being intended to give better flexibility to the central part of the damping element.
  • the damping element (21) consisting of a single element in the embodiments described above, can also be constituted by two or three distinct elements ( Figures 10 and 11).
  • the damping element can consist of three independent elements (21a, 21b, 21c) at least one of which is made of a material different from the other two.
  • the front element (21a) can be arranged under the front attachment (19) while the rear element (21c) is arranged under the rear attachment (20), the median element (21b) being in turn, disposed between said front element (21a) and said rear element (21c).
  • the respective lengths "La”, “Lb”, “Lc” of the different elements (21a, 21b, 21c) can for example be such that “La” and “Lc” is between 150 and 190 mm “Lb” is between 180 and 250 mm. or “La” and “Lc” is between 200 and 400 mm “Lb” is between 150 and 200 mm.
  • At least one of the elements is made of a material different from the other two or of dimensional or physical characteristics different from the other two.
  • the front element (21a) can have mechanical and physical characteristics equal or substantially equal to the rear element (21c), while the median element is different.
  • the front (21a) and rear (21c) element can be of viscoelastic material with a hardness of 70 to 80 shore A and a damping value of 0.1 to 0.4, while the the middle element is made of elastic material with a hardness of 35 to 70 shore A.
  • front (21a) and rear (21c) elements are made of viscoelastic material with a hardness of 80 to 90 shore A and with a damping value of 0.3 to 0.8, while the middle element is made of elastic material with a hardness of 35 to 70 shore A.
  • FIG. 11 represents another variant according to which the second central upper reinforcement (22 ′) has, in a longitudinal section, the shape of an inverted ⁇ constituted by a front horizontal wall (22 ′ a) extended by a front transverse wall (22 '' a) extending downwards then from a central horizontal wall (22'b) extended upwards by a rear transverse wall (22''c) extended rearwards by a rear horizontal wall (22 ' vs).
  • the two front (22'a) and rear (22'c) horizontal walls being spaced a height "e" from the first upper reinforcement (6; 7) to constitute a housing for the front damping element (21a respectively) ) and the rear damping element (21c).
  • the central horizontal wall (22'b) is directly integral with the upper wall (7) of the upper reinforcement (6).
  • the three damping elements (21a, 21b, 21c) can be as in the previous case, identical or different in their dimensions and / or in their mechanical or physical characteristics.
  • the second central upper reinforcement (22) has a length less than the length of the first upper reinforcement (6) and in particular of its horizontal wall (7).

Landscapes

  • Vibration Dampers (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Tents Or Canopies (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Road Paving Structures (AREA)

Claims (18)

  1. Ski, insbesondere Alpinski, der die Form eines ausgestreckten Trägers hat, der durch einen Kern (10), eine untere Verstärkung (15, 16), eine obere Verstärkung (6, 7) und ein Dämpfungselement (21) in dem Bereich der Montage der Bindungen gebildet ist, wobei das Dämpfungselement auf der oberen Verstärkung (6, 7) und unter einer zweiten zentralen oberen Verstärkung (22) angeordnet ist, dadurch gekennzeichnet, daß die zweite obere Verstärkung (22) mit einer oberflächlichen Abdeckungsschicht (17) bedeckt ist, die sich nach vorne (AV) und nach hinten (AR) erstreckt, um die erste obere Verstärkung (6, 7) über den Montagebereich (18) hinaus zu überdecken, wobei der Montagebereich (18) sich im Vorsprung bezüglich der allgemeinen Ebene des Ski befindet, um eine integrierte Dämpfungsplattform zu bilden.
  2. Ski gemäß Anspruch 1, dadurch gekennzeichnet, daß die oberflächliche Abdeckungsschicht (17) aus Polyamid oder einem thermoplastischen Material ist.
  3. Ski gemäß einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß die erste obere Verstärkung (6, 7) und die zweite zentrale obere Verstärkung (22) aus Schichten aus zusammengesetzten Materialien oder aus einer metallischen Legierung gebildet sind.
  4. Ski gemäß einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Kern (10) aus einem synthetischen Schaum, aus Holz oder aus einer Wabenform ist.
  5. Ski gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Dämpfungselement (21) durch ein Band aus elastisch deformierbarem Material gebildet ist, das eine Dicke "e" und eine Länge "X" hat.
  6. Ski gemäß Anspruch 5, dadurch gekennzeichnet, daß das Dämpfungselement (21) aus einem viskoelastischen Material ist.
  7. Ski gemaß Anspruch 6, dadurch gekennzeichnet, daß die Länge "X" des Dämpfungselementes (21) zwischen 400 und 1000 mm liegt.
  8. Ski gemäß Anspruch 7, dadurch gekennzeichnet, daß die Dicke "e" des Dämpfungselementes (21) zwischen 0,5 und 6 mm liegt.
  9. Ski gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Dämpfungselement (21) aus zumindest zwei unabhängigen Elementen (21a, 21b, 21c) gebildet ist von denen zumindest eines dimensionelle und/oder mechanische und physikalische Eigenschaften hat die unterschiedlich von den anderen sind.
  10. Ski gemäß Anspruch 9, dadurch gekennzeichnet, daß das Dämpfungselement aus drei unabhängigen Elementen (21a, 21b, 21c) gebildet ist.
  11. Ski gemaß Anspruch 10, dadurch gekennzeichnet, daß das vordere Element (21a) und das hintere Element (21c) aus einem viskoelastischen Material sind.
  12. Ski gemäß Anspruch 4, dadurch gekennzeichnet, daß das vordere Element (21a) und das hintere Element (21c) eine Lange ("La, Lc") haben, die zwischen 150 und 400 mm liegt.
  13. Ski gemäß Anspruch 12, dadurch gekennzeichnet, daß das vordere Element (21a) und das hintere Element (21c) eine Härte von 70 bis 90 Shore A und einen Dämpfungswert haben, der zwischen 0,1 und 0,8 liegt, während das mittlere Element (21b) aus einem elastischen Material mit einer Härte von 35 bis 70 Shore A ist.
  14. Ski gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Schrauben (24) zum Halten der Bindungen (18, 19) gleichzeitig in der ersten oberen Verstärkung (7) und in der zweiten zentralen oberen Verstärkung (22) verankert sind.
  15. Ski gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die zweite zentrale obere Verstärkung (22) eine Länge "X" hat, die kleiner als die Länge der ersten oberen Verstärkung ist.
  16. Ski gemäß Anspruch 15, dadurch gekennzeichnet, daß die Oberfläche (17) sich über die Länge des Ski erstreckt.
  17. Ski gemäß Anspruch 16, dadurch gekennzeichnet, daß das Dämpfungselement (21) an die erste obere Verstärkung (7) und an die zweite zentrale obere Verstärkung (22) geklebt oder geschweißt ist.
  18. Ski, insbesondere Alpinski, der die Form eines ausgestreckten Trägers hat, der durch einen Kern (10), eine untere Verstärkung (15, 16), eine obere Verstärkung (6, 7) und ein Band aus einem elastisch deformierbaren Material (21) in dem Bereich der Montage der Bindungen gebildet ist, wobei das Band (21) auf der oberen Verstärkung (6, 7) und unter einer zweiten zentralen oberen Verstärkung (22) angeordnet ist, dadurch gekennzeichnet, daß die Schrauben (24) zum Halten der Bindungen (18, 19) gleichzeitig in der ersten oberen Verstärkung (7) und in der zweiten zentralen oberen Verstärkung (22) verankert sind.
EP91120018A 1991-02-08 1991-11-25 Ski für Wintersport mit Montagebühne für Skibindungen Expired - Lifetime EP0498053B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9101703A FR2672505B1 (fr) 1991-02-08 1991-02-08 Ski pour sport d'hiver comprenant une plateforme de montage des fixations.
FR9101703 1991-02-08

Publications (2)

Publication Number Publication Date
EP0498053A1 EP0498053A1 (de) 1992-08-12
EP0498053B1 true EP0498053B1 (de) 1995-03-08

Family

ID=9409681

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91120018A Expired - Lifetime EP0498053B1 (de) 1991-02-08 1991-11-25 Ski für Wintersport mit Montagebühne für Skibindungen

Country Status (6)

Country Link
US (1) US5303948A (de)
EP (1) EP0498053B1 (de)
JP (1) JPH04317676A (de)
AT (1) ATE119415T1 (de)
DE (1) DE69108001T2 (de)
FR (1) FR2672505B1 (de)

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FR2702387B1 (fr) * 1993-03-11 1995-04-28 Rossignol Sa Plaque pour le montage sur un ski alpin, d'une fixation pour chaussure.
DE4317675C2 (de) * 1993-05-27 2001-10-25 Marker Deutschland Gmbh Tragplatte zur Halterung eines Skischuhes auf einem Ski
FR2705905B1 (fr) * 1993-06-02 1995-07-07 Rossignol Sa Ski à profil perfectionné.
FR2708476B1 (fr) * 1993-08-06 1995-09-08 Rossignol Sa Dispositif pour le montage d'une fixation de chaussure sur un ski alpin.
FR2713499B1 (fr) * 1993-12-07 1996-01-19 Rossignol Sa Plaque pour le montage sur un ski alpin d'une fixation pour chaussure.
JPH10502859A (ja) * 1995-05-12 1998-03-17 ハングル アンドレアス 雪上滑走具を雪上滑走具使用者の靴と結合する装置
US5803478A (en) * 1995-06-07 1998-09-08 Gavalis; Richard Clifford Ski
AT405139B (de) * 1995-08-14 1999-05-25 Atomic Austria Gmbh Gleitgerät
US5839747A (en) * 1996-01-22 1998-11-24 Thermal Snowboards, Inc. Binding anchor
FR2769236B1 (fr) * 1997-10-03 2000-02-04 Salomon Sa Cale d'amortissement pour dispositif de retenue d'une chaussure sur une planche de glisse destinee a la pratique du surf sur neige, et dispositif muni d'une telle cale
SI9700291A (sl) * 1997-11-11 1999-06-30 Elan Line D.O.O. Smučka
US6102427A (en) * 1997-12-05 2000-08-15 K-2 Corporation Ski binding lifter having internal fastener retention layer
FR2781686B1 (fr) * 1998-07-31 2000-12-15 Salomon Sa Planche de glisse pour la pratique du ski alpin ou du surf de neige
FR2793421B1 (fr) * 1999-05-11 2002-01-11 Rossignol Sa Ski, ou autre planche de glisse sur neige, comportant au moins une plaque d'insertion pour recevoir et consolider les vis d'ancrage des fixations de la chaussure
US6612605B2 (en) * 1999-09-29 2003-09-02 K-2 Corporation Integrated modular glide board
DE29921881U1 (de) * 1999-12-13 2000-02-03 Blizzard Gmbh Gleitbrett
SI20678A (sl) * 2001-01-19 2002-04-30 Elan, D.D. Smučka z integrirano platformo
FR2827786B1 (fr) * 2001-07-27 2003-09-12 Rossignol Sa Ski alpin
AT413797B (de) * 2003-03-07 2006-06-15 Tyrolia Technology Gmbh Gleitbrett, insbesondere ski, und verfahren zur herstellung
US20110206895A1 (en) * 2010-01-26 2011-08-25 Drake Powderworks Llc Carbon fiber laminate ski or snowboard with metal rib core dampening system
US10709958B1 (en) * 2019-02-04 2020-07-14 Cross Wing Technology Holdings, LLC Sport board

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Also Published As

Publication number Publication date
FR2672505B1 (fr) 1993-05-21
ATE119415T1 (de) 1995-03-15
FR2672505A1 (fr) 1992-08-14
EP0498053A1 (de) 1992-08-12
US5303948A (en) 1994-04-19
JPH04317676A (ja) 1992-11-09
DE69108001D1 (de) 1995-04-13
DE69108001T2 (de) 1995-08-10

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