EP1745826B1 - Procede de preparation de semelle d'appareil de sport d'hiver - Google Patents

Procede de preparation de semelle d'appareil de sport d'hiver Download PDF

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Publication number
EP1745826B1
EP1745826B1 EP06450094A EP06450094A EP1745826B1 EP 1745826 B1 EP1745826 B1 EP 1745826B1 EP 06450094 A EP06450094 A EP 06450094A EP 06450094 A EP06450094 A EP 06450094A EP 1745826 B1 EP1745826 B1 EP 1745826B1
Authority
EP
European Patent Office
Prior art keywords
tool
running surface
track
predefined
blank
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.)
Not-in-force
Application number
EP06450094A
Other languages
German (de)
English (en)
Other versions
EP1745826A1 (fr
Inventor
Robert Dipl.-Ing. Dr. Schamesberger
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.)
Atomic Austria GmbH
Original Assignee
Atomic Austria GmbH
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 Atomic Austria GmbH filed Critical Atomic Austria GmbH
Publication of EP1745826A1 publication Critical patent/EP1745826A1/fr
Application granted granted Critical
Publication of EP1745826B1 publication Critical patent/EP1745826B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A63C5/04—Structure of the surface thereof
    • A63C5/0428—Other in-relief running soles
    • 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
    • A63C5/044—Structure of the surface thereof of the running sole
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/30—Milling
    • Y10T409/304536—Milling including means to infeed work to cutter
    • Y10T409/30532—Milling including means to infeed work to cutter with means to advance work or product

Definitions

  • the invention relates to a method for processing treads of winter sports equipment, such as skis or snowboards, in which a pad blank is subjected to a machining operation to obtain a predetermined surface microstructure, which improves the lubricity, and a corresponding device for machining pads of winter sports equipment.
  • the sliding of a winter sports equipment represents a friction case of a special kind. This is because the individual friction partners, such as covering, snow and intervening water film are difficult to define and the geometric conditions are difficult to describe and variable . It is known that the frictional resistance under circumstances such as in skis, but also in other circumstances, such as in boats or aircraft may possibly be favorably influenced by targeted roughening of the surface of the object in question.
  • One reason for the improved sliding properties of rough surfaces of skis is in the fact that suction effects are reduced or avoided at higher speeds.
  • polyethylene As a material for the production of Schibelägen has largely enforced polyethylene.
  • Particular advantages of polyethylene, especially with medium and high molecular weight are the good wear and sliding behavior of high toughness and at the same time excellent chemical resistance.
  • These advantages, in particular the abrasion resistance increase with increasing molecular weight, so that ultrahigh-molecular weight polyethylene with a molecular weight of several million is used, in particular for critical applications, such as racing.
  • the production and processing of ultrahigh molecular weight polyethylene linings is difficult because this material is not extrudable and extremely difficult to deform.
  • the surface structures required to improve the sliding properties are mostly applied by grinding operations, but this entails various disadvantages.
  • Another disadvantage of grinding methods is that the inevitable local heating of the lining surface undesirable chemical changes occur that worsen the sliding properties.
  • there may be chemical interactions between the abrasive material and the material of the lining which represents a further impairment.
  • the FR 2 112 645 A discloses a device for forming grooves in a plastic film similar to that used for scoring cardboard.
  • This plastic film scoring apparatus has a rotating roller having a smooth and homogeneous surface, the plastic film to be scored coming in contact with it along a generatrix of the same.
  • pressure is applied at one point or at several points thereof through the plastic film which is controllable by means of scoring members such as cutting wheels, balls or a grooved or ribbed roller.
  • the at least one scoring member is designed to support itself along the generatrix of the roller and to exert here a controllable pressure adapted to the desired scoring depth on the plastic film guided between the scoring member and the opposing roller.
  • the structure of a Schibelag can be divided into a macrostructure and a microstructure.
  • the macrostructure is defined as structures with a depth> 20 ⁇ m.
  • the microstructures are smaller structures.
  • the structuring is produced by grinding the surface, as described above, but only the macrostructure can be produced reproducibly.
  • the microstructure is dependent on a large number of parameters which can not be influenced directly, so that even under identical production conditions, there are great differences in the sliding behavior.
  • To avoid these disadvantages is in the WO 03/061783 suggested to pattern a coating by an embossing process in which an embossing roll is rolled over the coating to produce a microstructure.
  • the DE 40 13 901 A describes a method for profiling the running surfaces of skis.
  • Scaled structures are primarily produced in the area of the bond, which should improve the climbing behavior. Such structures must have typical orders of magnitude above the macrostructures as described above. In this case, a machining tool is pushed into the tread in shock-striking or chisel-like motion. However, it is not known to use such or a similar method for producing microstructures.
  • Object of the present invention is to provide a method by which the above disadvantages are avoided and with which it is possible to produce a well-defined and reproducible surface structure of a covering for a winter sports equipment.
  • the greatest possible degrees of freedom in the geometric design of the surface structure should be possible.
  • the process should furthermore not cause any influence on the chemical composition and properties.
  • Another object of the present invention is to provide a device for producing such a coating.
  • the tool comprises at least one tool tip which is moved in sliding movement over a running surface of the lining blank and is pressed onto the lining blank with a predetermined force to form grooves, wherein the plastic deformation comprehensive machining operation is performed on a coordinate table.
  • the microstructure refers to depressions or protrusions with a typical height dimension of less than 0.02 mm. It has been found that by a plastic deformation, which is brought about by a relative movement of the tool with respect to the surface of the covering or lining blank to be machined, a surface structure can be created, which is characterized by a local material displacement.
  • An essential aspect of the present invention is that the production of the surface structure is force-controlled, that is, the force with which a tool is pressed onto the running surface is largely independent of local thickness variations due to production tolerances or the like. In this way, the disadvantages described above can be avoided and in particular a uniform and completely reproducible surface structure without deterioration of the chemical properties is achieved.
  • the method according to the invention provides that, during the deformation of the lining blank, at least one tool tip is guided in sliding movement over the running surface of the lining blank. Such a method is referred to in another context as guilloche. It is an engraving process that originated in metalworking and was used a long time ago for the production of high-quality watches. According to the invention, the machining takes place on a coordinate table, which is a working device in which a tool can be moved over the workpiece in the longitudinal and transverse directions, as in the case of a plotter.
  • a diamond cone is particularly preferably used for such a method, since due to the high hardness an extreme abrasion resistance is given and due to the inert material no chemical influences on the surface are to be feared.
  • the tool tip has a radius of about 0.02 mm. In this way, microstructures of optimum size can be produced.
  • a particularly advantageous variant of the method according to the invention is characterized in that the machining process comprising the plastic deformation takes place on the lining blank prior to application to the winter sports device.
  • Such a procedure includes several advantages. On the one hand, it is possible to work on a flat base which is not curved and prestressed in the longitudinal direction like an assembled ski.
  • Another advantage of this variant of the method is that no consideration for steel edges has to be taken during machining of the coverings. Before or after processing, the lining blank is cut precisely and inserted into the recess between the steel edges.
  • winter sports equipment can be created with a tread, preferably made of polyethylene, the tread has a predetermined structure.
  • the structure is designed as a groove structure with a uniform depth. It has also been found to be favorable when the surface structure is composed of predetermined geometric patterns. Chemical changes of the coating surface can thereby be avoided that the surface structure is made by chipless machining.
  • the invention relates to a device for the production of coverings of winter sports equipment with a tool guide for guiding a tool that applies a predetermined surface structure on the tread of the covering comprising a surface microstructure, which improves the lubricity, wherein the tool for chipless production the surface microstructure is adapted to cause a plastic deformation of the tread.
  • a device for the production of coverings of winter sports equipment with a tool guide for guiding a tool that applies a predetermined surface structure on the tread of the covering comprising a surface microstructure, which improves the lubricity, wherein the tool for chipless production the surface microstructure is adapted to cause a plastic deformation of the tread.
  • such a device is characterized in that the tool has at least one tool tip for producing a groove having a predetermined profile and can be pressed with a predetermined force on the running surface of the lining blank, wherein a coordinate table is arranged for moving the tool.
  • the processing performance can be improved in a particularly favored manner, that several tools for simultaneous processing of the tread of the lining blank are provided on the tool guide. In this way it is possible, for example, simultaneously to machine a slide day over its entire width, similar to conventional methods, without abandoning the advantages described above. It is particularly advantageous in this context, when the individual tools are spring-mounted independently. This ensures that each individual tool can optimally adapt to the respective local variations in thickness. Alternatively, however, other solutions, such as a hydraulic storage of the individual tools are possible. An optimal adaptation of the surface structure to the respective required sliding and driving properties of the winter sports equipment can be carried out in a particularly preferred manner by the fact that the tool guide has a control for the production of predetermined patterns on the running surface of the lining blank.
  • the tool of FIG. 1 is an engraving diamond 5 having a shank diameter D of, for example, 3 mm, a cone angle ⁇ of 60 ° and a radius R of the diamond tip 1 of 0.02 mm.
  • the pad blank is indicated by 20.
  • Fig. 2 shows a multiple tool, in which side by side a plurality of diamond pins 5 are displaced in the longitudinal direction and each biased by a spring 6. Behind the pins 5 of the first row more pins are arranged on the gap in order to produce a larger groove density can.
  • Fig. 3 shows schematically a portion of a ski 7 with exaggerated sidecut.
  • the steel edges 8 delimit the running surface 9.
  • a plurality of grooves 11 is arranged at an angle ⁇ to the longitudinal axis 10a, which angle ⁇ in the given example is about 45 °.
  • the grooves 11 are arranged substantially in the longitudinal direction and wavy.
  • the embodiment of Fig. 5 corresponds substantially to that of Fig. 3 with the difference that the grooves 11 are arranged transversely to the longitudinal axis 10a.
  • the grooves 11 are in the form of triangular structures which are distributed over gaps on the pad 9.
  • Fig. 7 shows the surface structure of Fig. 1 in detail.
  • a depression 31 is bounded by two elevations 30, which are produced by material displacement.
  • the vertical dimension of the recess 31 is designated h 1 and is for example 0.015 mm.
  • the vertical dimension of the elevations 31 is designated by h 2 and is about 0.01 mm.
  • the total height H is about 0.025 mm. Since both h 1 and h 2 are smaller than 0.02 mm, this is a microstructure in the sense of the invention.

Landscapes

  • Road Repair (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Golf Clubs (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Milling Processes (AREA)
  • Turning (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Claims (15)

  1. Procédé de préparation de semelles (9) d'appareils de sports d'hiver, comme par exemple de skis ou des planches à neige, où une ébauche de revêtement (20) est soumise à une opération de traitement sans enlèvement de copeaux pour obtenir une microstructure de surface prédéterminée qui améliore l'aptitude au glissement, où l'opération de traitement pour réaliser la microstructure de surface comprend une déformation plastique par un outil (5), caractérisé en ce que l'outil (5) comprend au moins une pointe d'outil (1) qui, selon un mouvement glissant, est amenée à passer sur une face de glissement (9) de l'ébauche de revêtement (20) et qui est appuyée avec une force prédéterminée à l'ébauche de revêtement (20) pour former des rainures (11), l'opération de traitement, comprenant la déformation plastique, étant exécutée sur une table de coordonnées.
  2. Procédé selon la revendication 1, caractérisé en ce que la pointe d'outil est réalisée comme cône en diamant (1).
  3. Procédé selon la revendication 2, caractérisé en ce que la pointe d'outil présente un rayon d'environ 0,02 mm, et en ce que la force d'application est sélectionnée de façon que la profondeur de pénétration de la pointe d'outil soit inférieure à 0,02 mm.
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que l'opération de traitement est exécutée au moyen d'un outil (5), qui est logé d'une manière élastique et qui est appliqué de cette manière à la face de glissement (9) de l'ébauche de revêtement (20).
  5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que l'outil (5) est déplacé au moins par sections selon un angle prédéterminé (β) relativement à l'axe longitudinal de l'ébauche de revêtement (20).
  6. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que l'outil (5) est passé selon des mouvements ondulés sur l'ébauche de revêtement (20).
  7. Procédé selon l'une des revendications 1 à 6, caractérisé en ce que l'opération de traitement de l'ébauche de revêtement (20), comprenant la déformation plastique, a lieu avant l'application de la face de glissement (9) sur l'appareil de sports d'hiver.
  8. Dispositif de fabrication de revêtements d'appareils de sports d'hiver avec un guidage d'outil pour guider un outil (5), qui applique une structure de surface prédéterminée à la face de glissement (9) du revêtement, qui comprend une microstructure de surface qui améliore l'aptitude au glissement, où l'outil (5) pour la fabrication sans enlèvement de copeaux de la microstructure de surface est réalisé pour produire une déformation plastique de la face de glissement (9), caractérisé en ce que l'outil (5) présente au moins une pointe d'outil (1) pour réaliser une rainure (11) avec un profil prédéterminé et peut être appliqué avec une force prédéterminée à la face de glissement (9) de l'ébauche de revêtement (20), où une table de coordonnées est installée pour le déplacement de l'outil (5).
  9. Dispositif selon la revendication 8, caractérisé en ce que la pointe d'outil (1) est fabriquée en diamant.
  10. Dispositif selon la revendication 9, caractérisé en ce que la pointe d'outil présente un rayon d'environ 0,02 mm.
  11. Dispositif selon l'une des revendications 8 à 10, caractérisé en ce que la pointe d'outil présente un angle conique (α) d'environ 60°.
  12. Dispositif selon l'une des revendications 8 à 11, caractérisé en ce que l'outil (5) est logé d'une manière élastique dans le guidage d'outil.
  13. Dispositif selon l'une des revendications 8 à 12, caractérisé en ce que sont prévus au guidage d'outil plusieurs outils (5) pour le traitement simultané de la face de glissement (9) de l'ébauche de revêtement (20).
  14. Dispositif selon la revendication 13, caractérisé en ce que les outils individuels (5) sont logés élastiquement indépendamment les uns des autres.
  15. Dispositif selon l'une des revendications 8 à 14, caractérisé en ce que le guidage d'outil présente une commande pour produire des dessins prédéfinis sur la face de glissement (9) de l'ébauche de revêtement (20).
EP06450094A 2005-07-14 2006-07-06 Procede de preparation de semelle d'appareil de sport d'hiver Not-in-force EP1745826B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0118905A AT502101B1 (de) 2005-07-14 2005-07-14 Verfahren zur bearbeitung von laufflächen von wintersportgeräten sowie wintersportgerät und vorrichtung zur herstellung von belägen

Publications (2)

Publication Number Publication Date
EP1745826A1 EP1745826A1 (fr) 2007-01-24
EP1745826B1 true EP1745826B1 (fr) 2007-08-22

Family

ID=37192483

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06450094A Not-in-force EP1745826B1 (fr) 2005-07-14 2006-07-06 Procede de preparation de semelle d'appareil de sport d'hiver

Country Status (5)

Country Link
US (1) US7891694B2 (fr)
EP (1) EP1745826B1 (fr)
JP (1) JP2007021222A (fr)
AT (2) AT502101B1 (fr)
DE (1) DE502006000068D1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007008365B3 (de) * 2007-02-16 2008-08-21 Onyx-Systems Patentmanagement Gmbh Wintersportgerät mit Kufen
FR3043997B1 (fr) * 2015-11-24 2018-07-27 Manitou Bf Vehicule de manutention
ITUA20162890A1 (it) * 2016-04-26 2017-10-26 Penz S R L Metodo di trattamento di una soletta per un'attrezzatura di scivolamento
CN109310918B (zh) * 2016-06-10 2020-12-29 福吉米株式会社 滑行用具和其制造方法
WO2020061074A1 (fr) * 2018-09-18 2020-03-26 Daniell Stephen S Matériau de surface sensible à la poussée pour skis

Family Cites Families (19)

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Publication number Priority date Publication date Assignee Title
DE6805154U (de) * 1968-09-28 1969-03-06 Kirschbaum T Kg Koordinatentisch
US3652102A (en) * 1970-03-05 1972-03-28 George E Garcia Ski bottom finishing method
FR2112645A5 (en) * 1970-11-04 1972-06-23 Awa Grooving plastic sheet - by continuous controlled pressure forming while cold
DE2210267C3 (de) 1972-03-03 1974-08-29 Ernst Winter & Sohn, 2000 Hamburg Diamantwerkzeug, - sogea Diamantfliese - insbesondere zum Abrichten von Schleifscheiben, mit einem etwa plattenförmigen Diamantträger und in ihm in Schichten angeordneten Diamanten
DE2621490A1 (de) * 1976-05-14 1977-12-01 Voelkl Ohg Franz Ski
US4359077A (en) * 1978-07-20 1982-11-16 Fischer Gesellschaft M.B.H. Process and apparatus for forming a profiled tread surface on a ski
US4320908A (en) * 1980-03-05 1982-03-23 Asnes Skifabrikk A/S Skis
DE3211224C1 (de) * 1982-03-26 1983-04-21 C. Behrens Ag, 3220 Alfeld Spannvorrichtung fuer das Werkstueck an einer Maschine zur Bearbeitung von flachen Werkstuecken durch Schneiden
ES2056448T3 (es) * 1989-02-23 1994-10-01 Supfina Maschf Hentzen Procedimiento y aparato para el trabajo de afino o microacabado.
DE4013901A1 (de) * 1990-04-25 1991-10-31 Germina Skifabrik Verfahren und vorrichtung zum profilieren von laufsohlen fuer ski
FR2683730B1 (fr) * 1991-11-19 1995-03-31 Rossignol Sa Ski, ou autre engin ou planche de glisse sur neige, a semelle striee.
FR2713498B1 (fr) * 1993-12-09 1996-01-19 Salomon Sa Ski comprenant une semelle structurée en fonction de la distribution de pression sur ledit ski.
NO179238C (no) * 1994-06-15 1996-09-04 Norsk Hydro As Utstyr for tynnsliping av materialpröver
DE10130392C2 (de) * 2001-06-23 2003-06-26 Bernd Spaeth Gleitelemente, beispielsweise Schneegleitelemente, mit verbesserten Eigenschaften
AT500159B8 (de) * 2001-10-01 2007-02-15 Atomic Austria Gmbh Schi, sprungschi oder snowboard mit einer strukturierten oberfläche
SE523783C2 (sv) * 2001-11-29 2004-05-18 Karl-Gunnar Lundqvist En rulle med reliefmönster i mantelytan, för prägling eller slipning av belaget i en skidas styrspår
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Also Published As

Publication number Publication date
JP2007021222A (ja) 2007-02-01
AT502101B1 (de) 2007-09-15
ATE370773T1 (de) 2007-09-15
EP1745826A1 (fr) 2007-01-24
AT502101A1 (de) 2007-01-15
DE502006000068D1 (de) 2007-10-04
US7891694B2 (en) 2011-02-22
US20060251486A1 (en) 2006-11-09

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