EP0460150A1 - Ski. - Google Patents
Ski.Info
- Publication number
- EP0460150A1 EP0460150A1 EP91900665A EP91900665A EP0460150A1 EP 0460150 A1 EP0460150 A1 EP 0460150A1 EP 91900665 A EP91900665 A EP 91900665A EP 91900665 A EP91900665 A EP 91900665A EP 0460150 A1 EP0460150 A1 EP 0460150A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ski
- attachment parts
- plastic
- blank
- core
- 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
Links
- 239000004033 plastic Substances 0.000 claims abstract description 31
- 229920003023 plastic Polymers 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims description 19
- 239000006260 foam Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims description 2
- 239000000806 elastomer Substances 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 230000000630 rising effect Effects 0.000 claims 1
- 229910001234 light alloy Inorganic materials 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 15
- 239000011162 core material Substances 0.000 description 6
- 229920002635 polyurethane Polymers 0.000 description 5
- 239000004814 polyurethane Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010107 reaction injection moulding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 241000771208 Buchanania arborescens Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 239000002650 laminated plastic Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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
-
- 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
-
- 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
-
- 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
Definitions
- the invention relates in particular to a ski in which a blank ski, usually consisting of belt layers. Core, outsole and, where appropriate, steel edges, a top of its top and its side surfaces is molded from a preferably elastomeric plastic.
- Such a construction for skis is known, the casing being usually molded in one piece onto the raw ski, in a form in which the raw ski is inserted, after which the material of the casing in the remaining, the shell corresponding mold cavity is introduced.
- a preferred embodiment of this process is the RIM (Reaction Injection Molding) process, by means of which polyurethane or its components, isocyanate and polyol, which are mixed with one another and with a dye in the spray head, are injected into the mold cavity. Usually pressures (in the mold cavity) of 2 to 15 bar are used. If, as is preferred, the result is to be an elastomeric polyurethane cover, this can be achieved by selecting and adjusting the components of the polyurethane.
- the object of the invention is, in particular, to improve skis of the type mentioned at the outset, especially with regard to the mechanical-dynamic behavior of the ski.
- the primary object of the invention is to optimize the bending characteristic of skis in such a way that harmful effects of the clamped ski boot on the bending line are largely avoided.
- the invention is based on the knowledge that, in particular, the bending behavior of the ski is also influenced by the boot clamped on the ski in the binding, in the sense of a stiffening in the middle region of the ski, the simply curved, smooth "theoretical""Bending characteristic of the ski alone (without a clamped shoe) more or less deformed by clamping the shoe in the middle of the ski, ie it contains a" stiffening hump "(FIG. 11).
- the measure according to the invention as can be seen from the schematic representation of the bending characteristic in FIG.
- ski constructions have already been proposed which have elevations in front of and behind the standing area of the shoe, these are not measures for optimizing the bending characteristic curve when the shoe is clamped in, and the structure is also not made up of attachment parts which have a common shell are preferably made of elastomeric plastic.
- the vibration behavior in particular the vibration damping, the torsion behavior, and the surface pressure distribution of the ski can also be influenced by the invention.
- a special damping effect of the encased attachment parts also lies in the fact that the transmission of the vibrations of the ski to the foot or leg of the skier is dampened, which enables skiing to be carried out without fatigue.
- the attachment parts are arranged over the top chord, especially if it is made of metal, and are attached to the top chord Covered directly or indirectly - ie with the interposition of one or more intermediate layers.
- the attachments should have the lowest possible density, for example between 0.1 to 0.6 g / cm 3 .
- foams also foam-fiber composites or other light materials (light woods, honeycomb core materials) come into consideration.
- closed-cell foams can be used for the foams, which has the advantage that the specifically heavier plastic material of the casing does not penetrate into the attachments.
- the penetration of the plastic material of the cover into the foam material of the cover can also be prevented in the case of open-cell or mixed-cell foam, if the surface of the add-on parts is painted or in some other way to ensure a closed outer skin.
- a certain penetration of the plastic material of the casing into the material of the attachment parts can be advantageous for the connection of the casing and attachment. Then open-cell or mixed-cell foams should be used without a closed outer skin.
- attachment parts these expediently have a wedge shape that increases towards the center of the ski.
- attachment parts including the cover material have an overall height that increases towards the center of the ski.
- this could also be achieved in the case of non-wedge-shaped attachment parts by merely varying (increasing) the thickness of the shell over the attachment parts in the direction of the center of the ski.
- Parts of the ski binding can be connected to the front parts (or the shell sections thereof) on the end face (facing the shoe standing area) or can engage in the top parts. But you can also mount commercially available binding parts behind the front attachment part and in front of the rear attachment part on the shoe stand area.
- the top of the shell or a separate surface covering in particular also have a longitudinal rib profile in the area of the attachment parts, which makes it possible to influence the torsional rigidity and the surface pressure distribution of the ski.
- These ribs act in the sense of increasing the torsional rigidity.
- a "softer" bending line can be selected with the same torsion. The result is that the stability of the bend is maintained while the ski is easier to turn. The ski accelerates excellently out of the curve. This effect also occurs on skis without additional attachments.
- utensils or boxes for utensils into the surface covering or, in the case of a ski of the type mentioned at the beginning, into the areas of the plastic cover forming the ski surface, or to insert (glue in) recesses in the cover.
- the utensils or the boxes or depressions therefor may also protrude into the attachment parts (i.e. if attachment parts are present).
- utensils e.g. Consider: clock, thermometer, compass, lighting, reflector, avalanche search transmitter or receiver, data carrier for the control of ski lift access, valuables, keys, ski passes, altimeter etc.
- the sheath is preferably made of an elastomeric plastic, e.g. Polyurethane, wherein the plastic of the casing is preferably molded onto the raw ski in accordance with the RIM process mentioned at the beginning.
- the entire shell of the ski can consist of a uniform plastic or zones of different plastics (multi-component coating), although the zones of different plastics are cohesively connected to one another.
- FIG. 1 shows a ski in side view or partially in section
- Fig. 2 shows a plan view of the ski
- Fig. 3 is a cross section according to III-III of Fig. 1
- Fig. 4 to 6 show an attachment part for the rear ski in elevation (FIG. 4), in plan view (FIG. 5) and cross-section (FIG. 6)
- FIGS. 7 to 9 show an attachment part for the front ski in elevation (FIG. 7), in Top view (Fig. 8) and in cross-section (Fig. 9).
- 10 is 5 a cross-section according to XX of FIG. 1
- FIG. 11 shows a schematic bending characteristic diagram of a ski with a non-optimized bending line. 12 uses a schematic bending characteristic diagram to illustrate the optimization of the bending line according to the invention.
- the exemplary embodiment shown is an alpine ski which, as can be seen in particular from the cross sections according to FIGS. 3 and 10, consists of the following components: the upper flange 1 and the lower flange 2, e.g. from patiome
- the core with a central part 3 ', e.g. made of wood, and side parts 3 ", e.g. made of foam, the steel edges 4 and the outsole 5 as well as a leveling layer 6 between the outsole 5 and the lower flange 2 (which can also consist of load-bearing material, e.g. glass fiber laminate).
- a central part 3 ' e.g. made of wood
- side parts 3 " e.g. made of foam
- the steel edges 4 and the outsole 5 as well as a leveling layer 6 between the outsole 5 and the lower flange 2 (which can also consist of load-bearing material, e.g. glass fiber laminate).
- an attachment part 7 made of light material, e.g. made of foam.
- the individual components of the ski are glued together and form the raw ski, which is inserted into a mold and with a sleeve 8 made of elastomeric plastic, e.g. Polyurethane
- the individual components of the raw ski can be glued with the aid of adhesives and / or on the basis of the adhesion properties which the materials of individual components have in the processing state or by melting. Even between the material of the
- Shell and the components of the raw ski appear surface adhesion or melting.
- the material of the casing can "mechanically” cling to the pores and recesses of the coated components.
- a wedge-shaped attachment part 7 ', 7 " is arranged in front of and behind the shoe stand area 9.
- An example of the shape of the attachment parts is shown in Figs. 4 to 9, in which the dimensions of Height, width and length are distorted. Ratio to the illustrated height of the attachment parts of, for example, 8 mm (rear attachment part 7 ', FIGS. 4 to 6) or, for example, 10 mm (front attachment part 7 ", FIGS. 7 to 9), the width is somewhat larger (rear attachment part 7 1, for example 58 mm, front attachment part 7 "(eg 55 mm) and the length can be considerably longer
- rear attachment part e.g. 230 mm, front attachment part e.g. 240 mm With the rear attachment part 7 *, the width of the upper side decreases towards the center of the ski (with the same width of the base area of the attachment part), with the front attachment part 7 ", both the width of the upper side and the width of the base area towards the ski center decrease.
- the sleeve 8 made of elastomeric plastic also encloses the
- Attachment parts 7 ', 7 " can have on the rear ski on its surface a rib profile consisting of a plurality of parallel, projecting ribs 10 running in the longitudinal direction of the ski, whereby the ribs 10 can also extend over envelope areas, below which there is an attachment part 7.
- the height and width of the ribs is of the order of a few millimeters.
- the ribs 10 extend over a length about 20% of the ski length, other length or partial areas of the shell of the rear ski and / or front ski can also be equipped with a rib profile.
- utensils or boxes for utensils can be molded into the shell 8, now preferably on the front ski, or recesses for receiving utensils or the boxes can be left out.
- These utensils, Bolzano or depressions are designated by 11 in FIGS. 1 and 2.
- the utensils or their boxes or the depressions can also protrude into the attachment part 7 ′′ located under the sleeve 8.
- the depressions are lined with the plastic material of the sleeve 8.
- the upper belt is made from a fiber-plastic laminate (prepreg)
- prepreg fiber-plastic laminate
Landscapes
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Materials For Medical Uses (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0292189A AT398380B (de) | 1989-12-22 | 1989-12-22 | Ski, insbesondere alpinski, und verfahren zu seiner herstellung |
| AT2921/89 | 1989-12-22 | ||
| PCT/AT1990/000125 WO1991009653A1 (de) | 1989-12-22 | 1990-12-20 | Ski |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0460150A1 true EP0460150A1 (de) | 1991-12-11 |
| EP0460150B1 EP0460150B1 (de) | 1995-05-31 |
Family
ID=3542407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP91900665A Expired - Lifetime EP0460150B1 (de) | 1989-12-22 | 1990-12-20 | Ski und Verfahren zur Herstellung dieses Skis |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0460150B1 (de) |
| JP (1) | JPH04505872A (de) |
| AT (2) | AT398380B (de) |
| DE (1) | DE59009187D1 (de) |
| WO (1) | WO1991009653A1 (de) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT397209B (de) * | 1990-09-27 | 1994-02-25 | Rohrmoser Alois Skifabrik | Ski mit einer räumlich profilierten oberseite |
| FR2683734B1 (fr) * | 1991-11-19 | 1994-01-07 | Rossignol Sa | Ski en forme, de section non rectangulaire. |
| FR2686520B1 (fr) * | 1992-01-28 | 1994-04-15 | Salomon Sa | Perfectionnement pour ski comprenant une plateforme centrale en saillie. |
| USRE36453E (en) * | 1993-04-16 | 1999-12-21 | Skis Rossignol S.A. | Ski including sides and an upper shell |
| FR2704442B1 (fr) * | 1993-04-27 | 1995-06-02 | Rossignol Sa | Nouveau type de ski. |
| FR2704440B1 (fr) * | 1993-04-30 | 1995-07-28 | Salomon Sa | Planche de glisse, notamment surf de neige. |
| DE19652779A1 (de) | 1996-12-19 | 1998-06-25 | Marker Deutschland Gmbh | Snowboard |
| DE29706716U1 (de) | 1997-04-14 | 1997-06-19 | F2 International Ges.M.B.H., Kirchdorf | Snowboard |
| US6520529B1 (en) | 1999-09-29 | 2003-02-18 | K-2 Corporation | Integrated modular glide board |
| US6612605B2 (en) | 1999-09-29 | 2003-09-02 | K-2 Corporation | Integrated modular glide board |
| FR2800622B1 (fr) * | 1999-11-05 | 2002-02-08 | Salomon Sa | Planche de glisse destinee a la pratique du surf sur neige |
| FR2808698B1 (fr) * | 2000-05-10 | 2002-10-11 | Salomon Sa | Ski prevu pour la pratique du ski alpin |
| FR2825646B1 (fr) | 2001-06-08 | 2003-10-17 | Salomon Sa | Ski prevu pour la pratique du ski alpin |
| DE102005049478B4 (de) * | 2005-10-13 | 2015-04-02 | Marker Völkl International GmbH | Schneegleitbrett, insbesondere Snowboard |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1033316A (fr) * | 1951-03-02 | 1953-07-09 | Michal Atel | Perfectionnements aux skis |
| FR1528773A (fr) * | 1967-03-13 | 1968-06-14 | Perfectionnement aux skis et à leurs fixations | |
| AT286842B (de) * | 1968-09-30 | 1970-12-28 | Haldemann S A | Ski |
| AT351415B (de) * | 1977-02-04 | 1979-07-25 | Kaestle Gmbh | Langlaufski |
| JPS58163385A (ja) * | 1982-03-20 | 1983-09-28 | 美津濃株式会社 | インジエクシヨンスキ−板及びその製造方法 |
| JPS59166174A (ja) * | 1983-02-04 | 1984-09-19 | 美津濃株式会社 | スキ−板 |
| JPS59166173A (ja) * | 1983-02-04 | 1984-09-19 | 美津濃株式会社 | スキ−板 |
| JPS6021775A (ja) * | 1983-07-19 | 1985-02-04 | 美津濃株式会社 | インジエクシヨンスキ−板の製造方法 |
| ATA325883A (de) * | 1983-09-13 | 1984-12-15 | Rohrmoser Alois Skifabrik | Ski |
| FI861171A7 (fi) * | 1986-03-20 | 1987-09-21 | Karhu Titan Oy | Foerfarande foer tillverkning av en skida och en skida. |
| FR2620628B2 (fr) * | 1987-02-27 | 1994-08-19 | Salomon Sa | Procede pour realiser un ski et ski fait selon ce procede |
| DE3908683A1 (de) * | 1988-03-18 | 1989-10-19 | Fritz Grill | Ski mit einer zusatzeinrichtung |
-
1989
- 1989-12-22 AT AT0292189A patent/AT398380B/de not_active IP Right Cessation
-
1990
- 1990-12-20 EP EP91900665A patent/EP0460150B1/de not_active Expired - Lifetime
- 1990-12-20 DE DE59009187T patent/DE59009187D1/de not_active Expired - Fee Related
- 1990-12-20 JP JP3501130A patent/JPH04505872A/ja active Pending
- 1990-12-20 WO PCT/AT1990/000125 patent/WO1991009653A1/de not_active Ceased
- 1990-12-20 AT AT91900665T patent/ATE123232T1/de not_active IP Right Cessation
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9109653A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| ATA292189A (de) | 1994-04-15 |
| WO1991009653A1 (de) | 1991-07-11 |
| DE59009187D1 (de) | 1995-07-06 |
| JPH04505872A (ja) | 1992-10-15 |
| AT398380B (de) | 1994-11-25 |
| EP0460150B1 (de) | 1995-05-31 |
| ATE123232T1 (de) | 1995-06-15 |
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