EP0580522B1 - Ski mit verbessertem Profil - Google Patents

Ski mit verbessertem Profil Download PDF

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Publication number
EP0580522B1
EP0580522B1 EP93420226A EP93420226A EP0580522B1 EP 0580522 B1 EP0580522 B1 EP 0580522B1 EP 93420226 A EP93420226 A EP 93420226A EP 93420226 A EP93420226 A EP 93420226A EP 0580522 B1 EP0580522 B1 EP 0580522B1
Authority
EP
European Patent Office
Prior art keywords
ski
recess
recesses
ribs
sole
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
EP93420226A
Other languages
English (en)
French (fr)
Other versions
EP0580522A1 (de
Inventor
Jean Liard
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 EP0580522A1 publication Critical patent/EP0580522A1/de
Application granted granted Critical
Publication of EP0580522B1 publication Critical patent/EP0580522B1/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
    • A63C5/00—Skis or snowboards
    • A63C5/003—Structure, covering or decoration of the upper ski surface
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C5/00—Skis or snowboards
    • A63C5/06—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 with an improved profile, in particular intended for the practice of winter sports, and more particularly for the practice of alpine skiing.
  • the skis consist of a sliding sole, intended to be in direct contact with snow or ice, and the lateral edges of which are provided with metal edges, themselves connected to the upper face of the ski. by side portions called edges. These edges can be vertical or tilted.
  • the ski is thicker at the level of the skate than at the ends where the ski gradually thins. This greater thickness is intended on the one hand, to allow the mounting of the screws of the bindings which hold the shoes of the skier, and on the other hand and above all, to confer on this central zone an increased rigidity, in order to allow a distribution sufficiently spread of the load induced by the mass of the skier.
  • the ski obtained has sufficient inertia in its upstream and downstream zones with respect to the skate, while thereby giving the ski greater flexibility and, consequently, promoting the bending of the ski and therefore the rounding of the turn, on the other hand, such a configuration reveals an alteration in the rigidity of the ski, in particular in torsion, which results from the bringing together of the reinforcing elements of the neutral fiber of the ski in the anterior and posterior zones.
  • the ski according to this configuration requires either the use of specific boots, comprising a large central groove making it possible to house the central rib of the ski, or the use of specific fixing plates compatible with the presence of the central rib of the ski. .
  • the object of the invention is to provide a ski which overcomes these various drawbacks by proposing a lighter ski, while retaining the inertia of the anterior and posterior zones necessary for increasing the characteristics of liveliness and reactivity of the ski .
  • the ski according to the invention comprises a gliding sole provided with metal edges, the lateral edges of which are connected by vertical or inclined edges with respect to the perpendicular of the sole to the conventionally continuous upper face seen in profile, and on the face at least one of which and in front of and / or behind the central zone of the skid, extends at least one recess, the depth of which decreases from said zone of the skid to the vicinity of the front and / or rear contact line of the ends of the ski.
  • the thickness of the ribs defined by said recess decreases from the area of the pad to the vicinity of the contact line before and / or rear of the ends, and the width of the recesses widens from the pad in the direction of said ends.
  • This ski comprises, in known manner, reinforcing elements, situated on either side and as far as possible from its neutral fiber, and in particular in internal contact with the decorative element on one side, and the sole of the other side.
  • reinforcing elements are typically made from a metal alloy, such as an alloy based on aluminum and zinc (ZICRAL - registered trademark) or in a textile sheet, for example green, carbon fibers, or polyaramide (KEVLAR - registered trademark), possibly pre-impregnated with a thermosetting resin.
  • the upper reinforcing element may advantageously have at the ends, the shape of an inverted omega ( ⁇ ), the loop of which corresponds to the bottom of the recess characteristic of the invention, and the lateral wings of which make it possible to increase significantly the lateral flexural strength of the ski.
  • ⁇ inverted omega
  • the invention consists in not modifying the traditional skate area, that is to say in preserving the upper surface of the ski without breaking or discontinuity, in contrast to skis having a projecting platform, but especially to generate ribs on either side of the skate area and on the two lateral edges of the upper face of the ski, which then has the shape of an inverted ⁇ , capable of giving it rigidity in lateral bending, and in torsion, greater than that of skis known to date, and therefore promote the stability of this ski.
  • the recesses are symmetrical with respect to a vertical plane passing through the longitudinal longitudinal line of the ski.
  • these recesses have a certain asymmetry, and in particular a variation in depth, the ribs of the same flare being able to be of different dimensions, the bottom of the flare not necessarily being parallel to the sole. .
  • the upper face provided with these recesses is attached and fixed to the entire ski by gluing.
  • the ski provided with these two recesses is obtained directly from molding.
  • Figure 1 is a schematic perspective representation of a ski according to the invention.
  • Figure 2 is a top plan view of this ski.
  • Figure 3 is a schematic view in longitudinal section along the median axis of a first embodiment of the ski.
  • Figure 4 is a view similar to that of Figure 3 of a second embodiment of this ski.
  • Figures 5 to 11 are schematic representations of cross sections of the ski according to the invention, made along the lines shown in Figures 2, 3 and 4, and referenced in Roman numerals whose number corresponds to the figure concerned.
  • Figures 12 and 13 are also cross sections along the line VI - VI of Figure 2, but of a particular embodiment according to the invention.
  • Figures 14 and 15 are partial longitudinal sections showing alternative embodiments of the front part of a ski according to the invention.
  • FIG. 16 is a graph representative of the stiffness curve of a traditional ski and of a ski according to the invention.
  • a ski according to the invention in which a ski according to the invention is shown diagrammatically and bears the general reference (1), this basically consists of a central zone or pad (8) of thickness greater than those of the two ends, and typically about 20 (twenty) millimeters, and extending over a distance close to 600 (six hundred) millimeters.
  • These two ends are respectively constituted by the heel (4) and the spatula (5), of upwardly curved shape.
  • the tip and the heel are lifted up slightly from a line so-called front (6) and rear (7) contact respectively.
  • the thickness of the ski at these two ends is reduced relative to the skate, and is close to 5 (five) millimeters.
  • this ski comprises a gliding sole (17), connected to the upper face of the ski (3) by lateral edges (2), possibly inclined relative to the perpendicular of the sole. It goes without saying that the invention can also be applied to skis with rectangular cross section, that is to say with vertical side edges.
  • the upper face (3) has two recesses, respectively an anterior recess (9) and a posterior recess (10), located on either side of the area of the pad (8) and extending to the surroundings respectively of the planes integrating the front (6) and rear (7) contact lines.
  • these recesses (9) and (10) widen from the area of the skid to the aforementioned contact planes. In addition, they are more hollow in the vicinity (15,16) of the shoe (8) than towards the ends, so that their depth decreases from the area of the shoe to the said contact planes, and generates on the lateral edges of the face.
  • upper (3) respectively anterior (11) and (12) and posterior (13) and (14) ribs. These ribs of variable thickness (in transverse direction with respect to the ski) are more visible on the transverse sections 5 to 11, described in more detail below.
  • FIG. 8 corresponds to a section made at the level of the pad area (8), an area of maximum thickness intended to receive the fasteners. In the absence of a recess at this level, the upper face (3) is flat and parallel to the sole (17).
  • Figures 9 and 10 correspond respectively to Figures 7 and 6 for the posterior recess.
  • FIG. 11 corresponds to the rear contact zone, that is to say at the start of the heel, and therefore of reduced thickness.
  • the recesses have been shown symmetrically.
  • the ribs (11,12) on the one hand, and (13,14) on the other hand are of equal thickness and equal height relative to the bottom (19) of the corresponding recesses.
  • the plane materialized by the bottom (19) is parallel to the sole (17), and the slopes (21) and (22) joining the top of the ribs to the bottom (19) are also symmetrical with respect to the midline. longitudinal of the ski (1).
  • FIGS. 12 and 13 it is also possible to envisage asymmetrical recesses, as shown in FIGS. 12 and 13, in which, on the one hand, the plane materialized by the bottom (19) of the recesses ( 9) and (10) is not parallel to the sole (17), but also in which the ribs themselves do not have the same thickness and / or the same shape, as shown in particular in FIG. 13.
  • skis are obtained which are themselves asymmetrical, in particular from the point of view of the distribution of the masses, but also reinforcing elements, making it possible to differentiate between a right ski and a left ski.
  • Each of the two skis constituting a pair therefore has inertia and resistance to the various specific flexural stresses, inducing a different behavior, in particular when cornering, thereby optimizing the initiation of turns and / or the grips of edges.
  • FIGS. 3 and 4 show a ski according to the invention in longitudinal section.
  • the ski according to the invention is obtained directly from the molding, the mold having male parts corresponding to the recesses (9) and (10) of the ski, the different elements entering in the constitution of the ski, in particular the sole, the lower and upper reinforcing elements and the decoration being placed in the mold, and the central core is injected, typically made of polyurethane foam, the expansion causes the elements to be pressed against the internal walls of the mold and thereby imparting in skiing the final shape sought, and in particular the two recesses (9) and (10).
  • the ski is obtained in two stages, a first phase of realization of the shell by stamping of metallic reinforcements, or by thermoforming or pre-molding of a thermoplastic or thermosetting shell or of fibrous reinforcements, and a second phase of injection of the central nucleus.
  • an upper part (20) presenting the two recesses (9) and (10) is reported on a ski (1) produced in the traditional manner, for example these being obtained by machining, and revealing the ribs (11 - 14).
  • the part (20) is fixed to the ski (1), in particular by bonding, either directly or even, by means of an elastic or visco-elastic film, with the aim of increasing the damping characteristics thereof. .
  • FIG. 9 materializes the upper reinforcement element (23) of the ski according to the invention.
  • this reinforcing element can be constituted by a metallic alloy, or by a textile sheet pre-impregnated with a thermosetting resin. It is positioned in internal contact with the decor element (24), and is therefore relatively distant from the neutral fiber of the ski.
  • this reinforcing element has an inverted ⁇ shape, the wings of which are separated, and the loop of which adopts the shape of the bottom (19) of the flare (10). The wings follow the internal shape of the ribs (13,14).
  • the skis thus obtained exhibit very good resistance in lateral bending, in particular due to the lateral wings of the upper reinforcement element in the form of ⁇ .
  • the increased depth of the recesses at proximity to the skate area also makes it possible to correct the stiffness curve of the ski, while reducing the mass of the ski and maintaining at the ends a sufficient mass to release a correct inertia and a sufficient resistance to bending forces to allow to obtain a ski of good reactivity and nervousness, and also of precision.
  • FIG. 16 shows the stiffness curve of a traditional ski, in solid lines, and of the ski according to the invention, in which the reduction in stiffness clearly appears in the adjacent areas of the skate area, while retaining the required stiffness at the ends.

Landscapes

  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Claims (8)

  1. Ski, insbesondere Alpinski, mit einer Gleitsohle (17) und mit metallischen Leisten (18), deren seitliche Stirnflächen über seitliche Hochkanten (2) mit der herkömmlicherweise in Profilansicht durchgehenden Oberseite (3) verbunden sind, wobei die Oberseite (3) vor und/oder hinter dem mittleren Bereich der Aufstandsfläche (8) mindestens eine Ausnehmung (9, 10) aufweist, deren Tiefe von dem Bereich der Aufstandsfläche (8) ab bis hin in die Nähe der vorderen (6) und/oder hinteren (7) Berührungslinie der Enden (4, 5) des Skis abnimmt, dadurch gekennzeichnet, daß die Dicke der von der Ausnehmung (9, 10) definierten Rippen (11 bis 14) vom Bereich der Aufstandsfläche (8) ab bis hin in die Nähe der vorderen (6) und/oder hinteren (7) Berührungslinie der Enden (4, 5) des Skis abnimmt, und daß die Breite der Ausnehmungen (9, 10) sich vom Bereich der Aufstandsfläche (8) ab in Richtung zu den Enden (4, 5) aufweitet.
  2. Ski nach Anspruch 1 mit auf beiden Seiten seiner neutralen Faser angeordneten Verstärkungselementen, die auf der Grundlage einer metallischen Legierung oder eines mittels eines unter Wärmeeinwirkung aushärtbaren Harzes vorimprägnierten Gewebes ausgeführt sind, dadurch gekennzeichnet, daS das obere Verstärkungselement (23) die Gestalt eines auf dem Kopf stehenden Omega (Ω) aufweist, dessen Schleifenbogen dem Boden der Ausnehmung (19) entspricht und dessen seitliche Bögen an die innere Formgebung der durch die Ausnehmung definierten Rippen (11 bis 14) angepaßt sind.
  3. Ski nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß alle Ausnehmungen (9, 10) symmetrisch zu einer vertikalen Ebene sind, die durch die longitudinale Mittellinie des Skis läuft.
  4. Ski nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Ausnehmungen (9, 10) eine gewisse Asymmetrie zu einer vertikalen Ebene aufweisen, die durch die longitudinale und/oder transversale Mittellinie des Skis läuft.
  5. Ski nach Anspruch 4, dadurch gekennzeichnet, daß der Boden (19) der Ausnehmungen (9, 10) nicht parallel zur Sohle (17) verläuft.
  6. Ski nach Anspruch 4 oder 5, dadurch gekennzeichnet, daß die Rippen (11, 12) und (13, 14) derselben Ausnehmung (9, 10) von unterschiedlicher Form, insbesonderer unterschiedlicher Dicke und/oder unterschiedlicher Höhe sind.
  7. Ski nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die mit den Ausnehmungen (9, 10) versehene Oberfläche (3) mittels Verkleben auf dem Ski befestigt ist.
  8. Ski nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß er insgesamtspritzgegossen ist.
EP93420226A 1992-06-11 1993-06-02 Ski mit verbessertem Profil Expired - Lifetime EP0580522B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9207310 1992-06-11
FR9207310A FR2692158B1 (fr) 1992-06-11 1992-06-11 Ski à profil perfectionné.

Publications (2)

Publication Number Publication Date
EP0580522A1 EP0580522A1 (de) 1994-01-26
EP0580522B1 true EP0580522B1 (de) 1996-01-17

Family

ID=9430814

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93420226A Expired - Lifetime EP0580522B1 (de) 1992-06-11 1993-06-02 Ski mit verbessertem Profil

Country Status (6)

Country Link
US (1) US5427401A (de)
EP (1) EP0580522B1 (de)
JP (1) JPH0613881U (de)
AT (1) ATE133082T1 (de)
DE (1) DE69301344T2 (de)
FR (1) FR2692158B1 (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2704440B1 (fr) * 1993-04-30 1995-07-28 Salomon Sa Planche de glisse, notamment surf de neige.
FR2705905B1 (fr) * 1993-06-02 1995-07-07 Rossignol Sa Ski à profil perfectionné.
FR2716117B1 (fr) * 1994-02-17 1997-06-06 Rossignol Sa Procédé pour la fabrication d'un ski à noyau et ski ainsi obtenu.
FR2718651B1 (fr) * 1994-04-15 1996-06-14 Rossignol Sa Ski alpin.
JP3072826B2 (ja) * 1994-07-04 2000-08-07 株式会社ジャパーナ スキ−板
FR2722418B1 (fr) * 1994-07-13 1996-09-27 Salomon Sa Societe Anonyme Ski alpin en forme et a profil evolutif ameliore
FR2731159B1 (fr) * 1995-03-02 1997-04-11 Dynastar Skis Sa Procede pour la fabrication d'une planche de glisse dont la face superieure presente des evidements et planche de glisse ainsi obtenue
US5782482A (en) * 1996-01-30 1998-07-21 K-2 Corporation Snowboard and method of construction
USD386236S (en) * 1996-09-27 1997-11-11 Thermal Snowboards, Inc. Snowboard with contoured surface
DE19652779A1 (de) * 1996-12-19 1998-06-25 Marker Deutschland Gmbh Snowboard
FR2758729B1 (fr) * 1997-01-24 1999-03-26 Rossignol Sa Procede de fabrication d'un surf de neige et surf de neige ainsi obtenu
USD418545S (en) * 1997-05-01 2000-01-04 Donald Cassel High strength snowboard
US6499758B1 (en) * 1998-03-20 2002-12-31 William H. Bollman Egonomic sportsboard
WO1999016514A1 (en) 1997-09-26 1999-04-08 Volant Sports L.L.C. Snowboard with selectively added structural components
USD403728S (en) * 1997-11-11 1999-01-05 Elan Line D.O.O. Ski or a similar skating device
EP0937485A3 (de) * 1998-02-24 2002-07-24 Franz Völkl GmbH & Co. Ski und Tennis Sportartikelfabrik KG Schneegleitbrett, insbesondere Ski
US6056311A (en) * 1998-08-12 2000-05-02 Dal Research Enterprises, Inc. Skiing and surfing apparatus producing increased lift
FR2787723B1 (fr) * 1998-12-23 2001-01-26 Skis Dynastar Planche de glisse
WO2000038801A1 (fr) * 1998-12-28 2000-07-06 Nidecker S.A. Planche de glisse
AT411869B (de) * 1999-12-22 2004-07-26 Atomic Austria Gmbh Brettartiges gleitgerät, insbesondere schi oder snowboard
FR2820984B1 (fr) 2001-02-20 2003-06-06 Rossignol Sa Plateforme de rehaussement de la fixation d'une planche de glisse, et planche de glisse equipee d'une telle plateforme
FR2820983B1 (fr) 2001-02-20 2004-04-16 Rossignol Sa Planche de glisse
FR2820982B1 (fr) * 2001-02-20 2003-03-28 Rossignol Sa Planche de glisse
FR2820981B1 (fr) * 2001-02-22 2003-03-28 Rossignol Sa Procede pour realiser une planche de glisse sur neige, renfort et planche de glisse sur neige comprenant un tel renfort
FR2832643B1 (fr) * 2001-11-27 2004-01-16 Rossignol Sa Perfectionnement pour planche de glisse sur neige
FR2834906B1 (fr) * 2002-01-24 2004-04-02 Rossignol Sa Perfectionnement pour planche de glisse sur neige
US6955236B2 (en) * 2002-06-21 2005-10-18 Starting Line Products, Inc. Snowmobile ski
FR2851174B1 (fr) * 2003-02-18 2005-03-25 Rossignol Sa Planche de glisse sur neige a face exterieure comportant un film transparent de protection et procede de realisation
FR2851475B1 (fr) * 2003-02-26 2006-10-13 Salomon Sa Paire de skis prevus pour la pratique de la glisse et notamment du ski alpin
SI22083B (sl) * 2005-07-18 2009-12-31 Elan, D.O.O. Smučka ali snežna deska z izboljšano torzijsko togostjo
AT505448B1 (de) * 2007-06-28 2009-05-15 Kaestle Gmbh Ski
US8419043B2 (en) * 2007-10-22 2013-04-16 William H. Bollman Flexible ergonomic sportsboard wedges
FR2939323B1 (fr) * 2008-12-08 2011-03-25 Salomon Sas Ski alpin avec flexion controlee
FR2947461B1 (fr) * 2009-07-06 2011-06-10 Rossignol Sa Planche de glisse sur neige
DE102010031838A1 (de) * 2010-07-22 2012-01-26 Blizzard Sport Ges.M.B.H. Gleitbrett, insbesondere Ski
US8984729B2 (en) * 2012-09-06 2015-03-24 Ramp Sports, Llc Skis and methods of making same
US10471335B2 (en) * 2014-07-31 2019-11-12 Travis Rice Snowboard apparatus or accessory

Citations (2)

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Publication number Priority date Publication date Assignee Title
JPS526239A (en) * 1975-07-02 1977-01-18 Nippon Gakki Seizo Kk Ski
IT1235307B (it) * 1989-07-31 1992-06-26 Nordica Spa Sci a conformazione variabile.

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US1998702A (en) * 1934-04-13 1935-04-23 Boline John Ski
FR804598A (fr) * 1936-04-06 1936-10-27 Perfectionnements aux skis
AT182660B (de) * 1953-12-08 1955-07-25 Marius Eriksen Ski
CH622430A5 (en) * 1978-02-22 1981-04-15 Werner Weibel Ski
JPS60207681A (ja) * 1984-03-29 1985-10-19 株式会社　スワロ−スキ− スキ−
FR2583296B1 (fr) * 1985-06-14 1987-09-18 Salomon Sa Ski, notamment a usage de ski alpin
AT387724B (de) * 1986-05-27 1989-03-10 Rohrmoser Alois Skifabrik Ski
FR2602979B1 (fr) * 1986-08-20 1990-09-21 Salomon Sa Dispositif amortisseur de chocs et vibrations entre un ski et la fixation de la chaussure
JPH01201279A (ja) * 1988-02-04 1989-08-14 Mizuno Corp スキー板
US5141243A (en) * 1990-01-22 1992-08-25 Pacific Coast Composites, Inc. Alpine ski with a simplified construction
FR2664172B1 (fr) * 1990-07-09 1992-09-18 Salomon Sa Ski a face superieure nervuree.
EP0465794B1 (de) * 1990-07-09 1994-03-02 Salomon S.A. Ski mit gerippter Oberfläche

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS526239A (en) * 1975-07-02 1977-01-18 Nippon Gakki Seizo Kk Ski
IT1235307B (it) * 1989-07-31 1992-06-26 Nordica Spa Sci a conformazione variabile.

Also Published As

Publication number Publication date
US5427401A (en) 1995-06-27
DE69301344T2 (de) 1996-05-30
JPH0613881U (ja) 1994-02-22
FR2692158B1 (fr) 1994-12-16
DE69301344D1 (de) 1996-02-29
EP0580522A1 (de) 1994-01-26
ATE133082T1 (de) 1996-02-15
FR2692158A1 (fr) 1993-12-17

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