EP1279419A1 - Alpinski - Google Patents

Alpinski Download PDF

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Publication number
EP1279419A1
EP1279419A1 EP02356136A EP02356136A EP1279419A1 EP 1279419 A1 EP1279419 A1 EP 1279419A1 EP 02356136 A EP02356136 A EP 02356136A EP 02356136 A EP02356136 A EP 02356136A EP 1279419 A1 EP1279419 A1 EP 1279419A1
Authority
EP
European Patent Office
Prior art keywords
ski
zone
inserts
raising
additional elements
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP02356136A
Other languages
English (en)
French (fr)
Other versions
EP1279419B1 (de
EP1279419B8 (de
Inventor
Eric Restani
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Skis Rossignol SA
Original Assignee
Skis Rossignol SA
Rossignol SA
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 Skis Rossignol SA, Rossignol SA filed Critical Skis Rossignol SA
Publication of EP1279419A1 publication Critical patent/EP1279419A1/de
Publication of EP1279419B1 publication Critical patent/EP1279419B1/de
Application granted granted Critical
Publication of EP1279419B8 publication Critical patent/EP1279419B8/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • A63C5/00—Skis or snowboards
    • A63C5/12—Making thereof; Selection of particular materials
    • A63C5/128—A part for the binding being integrated within the board structure, e.g. plate, rail, insert
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C5/00—Skis or snowboards
    • A63C5/04—Structure of the surface thereof

Definitions

  • the invention relates to the field of sliding sports, more specifically alpine skiing. It relates more particularly to a ski which includes a zone for raising the binding formed by an extra thickness of the very structure of the ski.
  • the invention makes it possible to optimize the mechanical properties of a ski having such a structure.
  • the invention also relates to a method for manufacturing such skis.
  • the upper face of the ski is equipped in the skate area with a safety binding consisting of a stop and a heel piece.
  • a safety binding consisting of a stop and a heel piece.
  • This raising can be obtained in different ways, and for example through the use of a screwed raising platform, or more generally secured, to the upper face of the board.
  • Many types of platforms have already been proposed, such as in particular that described in document US 5,879,019.
  • this enhancement zone formed by the structure is important, and in particular induces a significant stiffening of the skate area.
  • An objective of the invention is to modulate this influence, in order to obtain a ski whose dynamic behavior can be optimized.
  • the invention therefore relates to an alpine ski which comprises at least one zone for raising the binding formed by an excess thickness of the structure of the ski forming a projection at the level of the skate zone.
  • the ski may include a single enhancement zone, which accommodates the two elements of the binding.
  • This raising zone can also be divided into two parts, a first part receiving the stop, the other part receiving the heel piece. For some cases, only the stopper, even the heel piece can be mounted on a raising zone.
  • this ski is characterized in that it comprises an insert disposed over at least a portion of the length of each of its lateral faces. This insert is located between the upper face of the enhancement zone and the edges, and its outer face is flush with the lateral face of the ski.
  • the ski comprises elongated parts which can extend over all or part of the length of the enhancement zone. These parts can be located in the enhancement zone itself, that is to say above the level that the ski would have if it did not include the enhancement zone. These inserts can also be located below this level, above the edges. The presence of these inserts, and in particular their dimensions and the material used, influence the overall stiffness of the structure, in particular at the level of the pad area.
  • the inserts can be formed by elements made of a material which is less rigid than the materials which form the core of the ski at the level of the enhancement zone, so as to impart damping properties to the ski.
  • the behavior of such a ski can thus be closer to that of a traditional ski equipped with a platform attached to its upper face, since the inserts have a compression capacity which allows slight movements of the upper part of the enhancement zone compared to the rest of the ski.
  • this ski retains the advantages of an enhancement zone integrated into the structure of the ski. Indeed, the central part of the ski being thicker, it is possible to use sparse materials to lighten it and at the same time obtain a stiffness equivalent to that of a ski having an added platform.
  • the inserts can be formed by elements made of a more rigid material than the materials which form the core of the ski, at the level of the raising zone, so as to increase the stiffness of the structure.
  • the stiffness of the ski at the level of the skate area is appreciably increased by the characteristic inserts, without weighing down the structure compared to a ski equipped with an added platform.
  • the inserts can be substantially parallel to the upper face of the raising zone.
  • the inserts can extend towards the median longitudinal plane of the ski, and not be present only near the lateral faces of the ski.
  • the depth of these inserts can be optimized as a function of the overall stiffness that one wishes to obtain for skiing.
  • the two inserts can for example come into contact with one another, at the level of the median longitudinal plane of the ski, over at least part of their length.
  • the inserts are distant from the sole of the ski by a height greater than the minimum thickness of the ski, measured between the tip and heel zones.
  • the characteristic inserts are preferably located in the portion of the ski forming the enhancement area of the binding.
  • these inserts influence the board, but they can also serve as an anchoring zone for the mounting screws of the binding, depending on their position inside the structure.
  • the invention also relates to a method of manufacturing the ski described above.
  • the various constituent elements of the ski are placed in a mold, between a bottom and a mold cover.
  • the inserts are made from parts which are placed in the mold, but which protrude from the final shape of the ski.
  • additional elements as well as various layers situated above, in particular the upper protective layer, are then leveled to form the lateral faces of the ski, which makes it possible to obtain the final shape of the characteristic inserts, with their outer face flush with the side face of the ski.
  • a rigid element intended to be integrated in the raising zone can, like the upper protective layer, extend laterally, to be leveled during finishing operations.
  • This reinforcing layer can also be placed below the additional elements, and be treated in the same way.
  • the invention relates both to an alpine ski having a zone for raising the binding which is an integral part of the structure of the ski, and to a manufacturing method making it possible to obtain such a ski.
  • Such a ski (1) is illustrated in FIG. 1 and has in a known manner a skid zone (2), a tip zone (3) and a heel zone (4).
  • the ski (1) comprises, at the level of the skid zone (2), a zone for raising the binding which is formed by a projection of the very structure of the ski.
  • the upper face (6) of this raising zone (5) determines an extra thickness of the ski relative to the edges (9), which is more accentuated at the skate than in the heel zone (4) and in the tip zone (3).
  • the upper face (6) of the raising zone (5) is intended to receive the stop and the heel piece of the binding.
  • this raising zone (5) included the extensions (10) forming arms extending in front and behind of the raising zone (5) proper.
  • the ski (1) comprises on each of its lateral faces (11), at least one insert (12).
  • This insert (12) can, as illustrated in FIGS. 1 and 2, extend over almost the entire length of the raising zone (5).
  • This insert can also extend over only part of this enhancement zone, or even extend over the entire length, and lead to the front and rear of the enhancement zone (5).
  • the usual overhanging edge is not shown intended to make the edge prominent, so as to increase the edge grip.
  • the lateral faces of the ski are substantially vertical, when in reality they have a slight setback above the edges.
  • the inserts (12) can be parallel to the upper face (6) of the raising zone (5). They are then parallel to the sole of the ski. These inserts (12) can be located at different height levels between the edges (9) and the upper face (6) of the raising zone (5). In the illustrated form, the insert (12) is located at a height slightly greater than the thickness of the ski measured in the heel and tip areas. However, these inserts could be located at a slightly lower level, closer to the edges (9).
  • each insert (12) can comprise different zones having a different depth, measured in the direction of the median longitudinal plane of the ski (13).
  • the insert (12) in its front (15, 16) and rear (19, 20) parts, the insert (12) has a depth less than half the width of the ski, so that the structure of the ski forms lateral partitions (21 , 22) connecting the upper part (27) of the raising zone (5) to the lower part (28) of the ski structure.
  • these partitions (21, 22) are located substantially perpendicular to the areas intended to receive the stop and the heel piece of the binding, so as to ensure good transmission of the supports. Between these two partitions (21, 22), the inserts (12) meet to come into contact with one another, substantially at the median level of the raising zone.
  • the inserts have a depth which is variable along the length of the ski. Adjusting this depth makes it possible to modify the influence of the stiffness of the raising zone (5) on the rest of the ski structure as desired. This influence is also modified according to the nature of the material used to make the insert.
  • the insert (12) tends to stiffen the enhancement area of the ski, which is favorable for edge taking.
  • This use of rigid insert also makes it possible to lighten the structure of the ski at the central level, and overall to reduce the weight of the ski.
  • each of the inserts (12) can also be adjusted so as to optimize the dynamic behavior of the ski, while reducing its structure.
  • the influence of the stiffness of the raising zone can also be adjusted by the choice of a particular profile or section with regard to the insert (12).
  • the inserts (12) have a generally triangular section.
  • the central portion of the structure forming the partition (30) has a generally trapezoidal section.
  • This partition (30) therefore has a lower width in its upper part. This small width modifies the bending stiffness of the upper part (31) of the raising zone (5), to allow a slight movement of the upper zone (31) around the longitudinal axis of the ski. This possibility of travel is favored when the material used for the inserts (12) is compressible.
  • the partition (30) is connected to the section of the lower part (32) of the ski structure.
  • the supports exerted on the upper face (33) of the raising zone (5) are effectively transmitted in the direction of the edges, to favor the setting of edges.
  • an insert (34) could be incorporated in a sparse material, of the cellular or alveolar type.
  • the upper portion (31) of the raising zone (5) being intended to receive the stop and the heel piece, it could advantageously, as illustrated in FIG. 5, integrate therein a reinforcement (37) making it possible to stiffen it, and this especially when the inserts (12) are made of a compressible material.
  • This reinforcement (37), disposed below the upper protective face (38) can be drilled and receive the mounting screws of the elements forming the attachment.
  • the ski may include two areas for raising the binding, one accommodating the stop, the other accommodating the heel piece.
  • only one of the elements of the binding for example the stop, can be mounted on a zone for raising the binding, the other element, and typically the heel piece, being mounted on a platform.
  • the invention also relates to a method for manufacturing a ski according to the invention. This process can, as illustrated in FIGS. 7 to 12, link the following different steps.
  • the various elements used to make the lower part of the structure of the ski are placed in a mold base (40). These include the edges (9), the sole (41) and the lateral reinforcing elements (42) intended to form the edges of the ski, at least in the lower part of the latter. Thereafter, two additional elements (43) are put in place above the reinforcement elements (42). These additional elements will subsequently form the characteristic inserts in the portion located inside the structure of the ski. These additional elements (43) rest on a shoulder (44) produced in the bottom (40) of the mold. These additional elements (43) protrude inside the structure of the ski by a portion (45) which can extend more or less deeply depending on the depth which it is desired to give to the characteristic inserts.
  • the rest of the structure intended to form the ski has not been shown, since it may be either preformed elements intended to form the core, or different reinforcements without influence on the other characteristics of the invention.
  • the ski can also be produced by injecting components which react in situ to form a polyurethane core.
  • the mold cover (47) is put in place after having deposited a sheet (48) intended to form the upper protective layer.
  • This sheet (48) can be associated with a reinforcing element (49), typically made of glass fibers impregnated with epoxy resin, and which will serve to anchor the mounting screws of the elements of the fixing.
  • the assembly thus produced is removed from the mold and the figure illustrated in FIG. 9 is thus obtained.
  • the additional elements (43), as well as part of the upper sheet (48) and the reinforcement (49) project laterally from the final shape of the ski.
  • the upper layer of the protection (48), the reinforcement (49) and the additional elements (43) are then leveled laterally at the limits of the upper portion of the enhancement zone.
  • the portions of the additional elements (43) remaining in the structure form the characteristic inserts (12) as illustrated in FIG. 10.
  • the additional elements (43) are placed in the bottom of the mold (40) above the lateral reinforcing elements (42).
  • a metal sheet (50) is placed which also extends laterally from the structure of the ski.
  • This sheet (50) is folded in its center to form a housing (51) sinking into the structure of the ski between the additional elements (43).
  • This housing (51) receives a filling element (52) which will form the bulk of the partition connecting the upper part of the raising zone to the rest of the structure.
  • This metal sheet (50) will therefore be covered with a layer of plastic (54) which will form the upper protective layer. It is possible to add a fiber reinforcement element, not shown, between the metal sheet (50) and the protective layer (54).
  • the additional elements (43), the metal foil (50) and the protective layer (54) are then leveled at the level of the lateral reinforcement elements (52).
  • the metal layer (50) can advantageously be tapped to receive the mounting screws for the fasteners.
  • an additional part (55) is used which is placed in the bottom of the mold (40) above the lateral reinforcing elements (42).
  • This additional element can have a depression in its center (56) to balance the upper and lower parts of the structure, and to facilitate the positioning of the different elements during the molding.
  • In the bottom of this depression (56) are pierced with openings (57) intended to allow the passage of the polyurethane foam, when the latter expands after injection of the liquid mixture of the reactive chemical components.
  • openings (57) intended to allow the passage of the polyurethane foam, when the latter expands after injection of the liquid mixture of the reactive chemical components.
  • this foam presses the upper protective layer (58) and the associated reinforcement (59) under the mold cover.
  • the upper protective layer (58) and the characteristic part (55) are leveled in their portion projecting laterally from the final structure of the ski. The portions of the part (55) remaining in the structure of the ski therefore form the characteristic inserts, with the influence already mentioned on the stiffness of the board.
  • the ski thus obtained therefore has a raising zone equipped with lateral inserts, over all or part of its length.
  • This raising zone can accommodate the various elements of the fixing which are then screwed through its upper face.
  • the mounting mounting screws are anchored inside the characteristic inserts, essentially in cases where the material used for the inserts has sufficient mechanical resistance, and typically when it is made of metal.

Landscapes

  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
EP02356136A 2001-07-27 2002-07-09 Alpinski Expired - Fee Related EP1279419B8 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0110089 2001-07-27
FR0110089A FR2827786B1 (fr) 2001-07-27 2001-07-27 Ski alpin

Publications (3)

Publication Number Publication Date
EP1279419A1 true EP1279419A1 (de) 2003-01-29
EP1279419B1 EP1279419B1 (de) 2006-03-15
EP1279419B8 EP1279419B8 (de) 2006-06-14

Family

ID=8866008

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02356136A Expired - Fee Related EP1279419B8 (de) 2001-07-27 2002-07-09 Alpinski

Country Status (5)

Country Link
US (1) US7192048B2 (de)
EP (1) EP1279419B8 (de)
AT (1) ATE320287T1 (de)
DE (1) DE60209866T2 (de)
FR (1) FR2827786B1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050212258A1 (en) * 1974-07-01 2005-09-29 Mark Enders Flex Enhancing Device
EP1380323A1 (de) * 2002-07-10 2004-01-14 HTM Sport- und Freizeitgeräte Aktiengesellschaft Gleitbrett, insbesondere Ski oder Snowboard, und Verfahren zur Herstellung
FR2858842B1 (fr) 2003-08-14 2005-10-28 Ksb Sas Dispositif de mise en communication de deux conduits a verins actionnes par une cartouche pyrotechinique
FR2897274B1 (fr) * 2006-02-10 2009-07-10 Salomon Sa Dispositif d'interface pour une planche de glisse

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4300786A (en) * 1979-12-19 1981-11-17 Johnson Wax Associates Snow ski with adjustable camber
FR2686520A1 (fr) 1992-01-28 1993-07-30 Salomon Sa Perfectionnement pour ski comprenant une plateforme centrale en saillie.
DE4205846A1 (de) * 1992-02-03 1993-10-14 Voelkl Franz Ski Ski
FR2718650A1 (fr) 1994-04-18 1995-10-20 Rossignol Sa Ski alpin.
DE19614184A1 (de) * 1996-04-11 1997-10-30 Voelkl Franz Ski Ski, Snowboard oder dergleichen Schneegleitelement
US5879019A (en) 1995-11-29 1999-03-09 Skis Rossignol S.A. Piste ski equipped with a device intended to adapt the transverse position of a binding as a function of forces exerted by the skier

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1998702A (en) * 1934-04-13 1935-04-23 Boline John Ski
ATE43071T1 (de) * 1985-02-15 1989-06-15 Walter Kuchler Gleitvorrichtung, insbesondere alpinski.
DE3619118A1 (de) * 1986-06-06 1987-12-10 Wilfried Matt Ski
AT400524B (de) * 1988-10-10 1996-01-25 Atomic Austria Gmbh Schi
IT1240702B (it) * 1989-06-26 1993-12-17 Fischer Gesellschaft M.B.H. Sci, in particolare per sport alpini.
ATE115876T1 (de) * 1990-04-05 1995-01-15 Head Sport Ag Ski.
FR2666021B1 (fr) * 1990-08-24 1992-11-13 Salomon Sa Ski de fond, notamment pour la pratique du pas alternatif.
FR2672505B1 (fr) * 1991-02-08 1993-05-21 Salomon Sa Ski pour sport d'hiver comprenant une plateforme de montage des fixations.
FR2698012B1 (fr) * 1992-11-19 1994-12-16 Rossignol Sa Structure de ski.
FR2702387B1 (fr) * 1993-03-11 1995-04-28 Rossignol Sa Plaque pour le montage sur un ski alpin, d'une fixation pour chaussure.
US5785342A (en) * 1996-07-30 1998-07-28 Bronson; Henry D. Ski binding dampening assembly
US5820154A (en) * 1997-04-29 1998-10-13 Howe; John G. Ski construction
FR2780294B1 (fr) * 1998-06-25 2000-08-11 Rossignol Sa Planche de glisse sur neige

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4300786A (en) * 1979-12-19 1981-11-17 Johnson Wax Associates Snow ski with adjustable camber
FR2686520A1 (fr) 1992-01-28 1993-07-30 Salomon Sa Perfectionnement pour ski comprenant une plateforme centrale en saillie.
US5346244A (en) 1992-01-28 1994-09-13 Salomon Sa Ski comprising a projecting central platform
DE4205846A1 (de) * 1992-02-03 1993-10-14 Voelkl Franz Ski Ski
FR2718650A1 (fr) 1994-04-18 1995-10-20 Rossignol Sa Ski alpin.
US5879019A (en) 1995-11-29 1999-03-09 Skis Rossignol S.A. Piste ski equipped with a device intended to adapt the transverse position of a binding as a function of forces exerted by the skier
DE19614184A1 (de) * 1996-04-11 1997-10-30 Voelkl Franz Ski Ski, Snowboard oder dergleichen Schneegleitelement

Also Published As

Publication number Publication date
DE60209866T2 (de) 2006-08-10
ATE320287T1 (de) 2006-04-15
EP1279419B1 (de) 2006-03-15
US20030020257A1 (en) 2003-01-30
DE60209866D1 (de) 2006-05-11
FR2827786B1 (fr) 2003-09-12
FR2827786A1 (fr) 2003-01-31
EP1279419B8 (de) 2006-06-14
US7192048B2 (en) 2007-03-20

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