US3705729A - Ski - Google Patents

Ski Download PDF

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Publication number
US3705729A
US3705729A US12209A US3705729DA US3705729A US 3705729 A US3705729 A US 3705729A US 12209 A US12209 A US 12209A US 3705729D A US3705729D A US 3705729DA US 3705729 A US3705729 A US 3705729A
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US
United States
Prior art keywords
facing sheet
ski
load
steel edges
lower facing
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
US12209A
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English (en)
Inventor
Anton Arnsteiner
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of US3705729A publication Critical patent/US3705729A/en
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
    • A63C5/12—Making thereof; Selection of particular materials
    • A63C5/122—Selection of particular materials for damping purposes, e.g. rubber or the like

Definitions

  • a ski including a ski body having at least one load- [52] US. Cl. ..280/l1.13 L bearing lower facing Sheet, Steel edges and at least one [51] 1111. C1 ..A63C intermediate layer of an elastomeric material, and the [58] Fleld 01 Search 280/1 1.13 L, 11.13 E Steel edges being laterally arranged adjacent the lower facing sheet whereby the steel edges and lower facing [56] References and sheet both are connected to the ski body over the UNITED STATES PATENTS common intermediate layer of elastomeric material so that the latter dampens stresses developed under vary- 2,995,379 8/1961 Head ..280/1 1.13 LM ing load and temperature conditions.
  • This invention relates to a ski which consists of a ski body, at least one loadbearing lower facing sheet, steel edges and at least one intermediate layer of elastomer material.
  • the upper side of the ski body is usually provided with a load-bearing upper facing sheet and a top coating.
  • Skis of such construction are commonly known.
  • the load-bearing lower and upper facing sheets consist of metal or glassfiber-reinforced plastic.
  • the ski body whose height decreases from the ski center toward the ends, frequently consists of plastic side parts (called sides or side coating) and a core of wood, foam plastics or the like, which is massive or provided with hollow spaces.
  • the running surface preferably consists of polyethylene.
  • plastic materials are suitable for the top coating. Constructions without a special top coating or running surface are also possible. In this case the free upper side of the upper facing sheet or the free bottom side of the upper facing sheet are treated accordingly.
  • Steel edges extending integrally throughout the length of the ski are used almost exclusively, and nowadays also continuous steel edges provided with grooves and recesses. Usually the steel edges have an angle section.
  • elastomer material e.g. rubber
  • an intermediate layer arranged between the steel edges and a load-bearing lower facing sheet of metal
  • an intermediate layer between two metal sheets of the upper facing sheet
  • an elastomer intermediate layer is arranged between two superposed layers of the ski body (French Pat. No. 1,152,848) or between the upper facing sheet or lower facing sheet on the one hand, and the ski body on the other (US. Pat. No. 2,995,379).
  • the invention consists in that the steel edges are arranged laterally beside the load-bearing lower facing sheet and that the steel edges as well as the load-bearing lower facing sheet are connected with the ski body over a common intermediate layer of elastomer material.
  • the materials of the load-bearing lower facing sheet, the steel edges and the ski body show different elongation characteristics as a function of the stresses occuring under a load (tensile load) as well as of temperature. This difference in elongation is shown by the different modulus of elasticity and the different coefficient of thermal expansion. In compound construction, differences of stress are found between the mentioned ski structural parts under load or fluctuations in temperature. This means that a certain force is exercised by one structural part on the other so that the individual structural parts cannot behave freely according to their internal characteristics.
  • the elastomer material of the intermediate layer also shows the known effect of absorbing vibrations. It is further of importance that elastomer materials, before being cured, show the properties of an adhesive. For this reason the elastomer intermediate layer can also function as an adhesive layer between the ski body on the one hand, and the steel edges as well as the lower facing sheet on the other.
  • the ski is well suitable for adapting to the encountered obstructions of the soil and thus ensures a smooth ride.
  • the mentioned offset of stresses between the steel edges, the load-bearing lower facing sheet and the ski body also has a favorable effect on the ultimate strength of the ski.
  • FIG. 1 is a view in top plan of a ski embodying the present invention
  • FIG. 2 is a view in partial section taken along line II-II of FIG. 1;
  • FIG. 3 is a section view taken along line III-III of FIG. 1.
  • the embodiment relates to a ski in sandwich construction comprising a load-bearing upper facing sheet 1, a load-bearing lower facing sheet 2 and aski body arranged between the two, said ski body consisting of sides 3 of phenol resin and a core 4 of wood, for example of an ash-tree.
  • the upper facing sheet 1 and the lower facing sheet 2 are sheet-like structural parts of light weight metal or glass fiber-reinforced plastic or of another material suitable for bearing load.
  • a construction of the upper facing sheet 1 or lower facing sheet 2 in two or more sheets is also possible, for example in the form of compound sheets of metal and plastic.
  • the steel edges 5 of the ski showing an angle section are arranged laterally beside the load-bearing lower facing sheet 2.
  • a running coating 6 of polyethylene covers the load-bearing lower facing sheet 2 and the flanges of the steel edges 5.
  • An intermediate layer 7 of elastomer material for example rubber, is arranged between the steel edges 5 and the lower facing sheet 2 on the one hand, and the ski body 3, 4 on the other.
  • the steel edges 5 as well as the load-bearing lower facing sheet 2 are connected with the ski body 3, 4 over a common, elastomer intermediate layer 7 offsetting stresses.
  • the invention requires only one such elastomer intermediate layer 7, though further elastomer intermediate layers can be arranged in the ski body, for example between two layers of the upper facing sheet and/or lower facing sheet, between the upper facing sheet and the ski body or, with an almost partially horizontally laminated construction of the ski body or the core, between two superposed layers of the ski body or the core.
  • the upper side of the steel edges 5 and of the load-bearing lower facing sheet 2 are flush with each other. Though it is convenient for technical reasons of production, it is not essential for the invention. It is of importance, however, that the steel edges 5 are arranged beside the load-bearing lower facing sheet 2 (notas known-on the bottom side of the lower facing sheet), even with a step provided between the upper side of the steel edges 5 and the upper side of the load-bearing facing sheet 2, i.e. with the lower facing sheet 2 being staggered in height relative to the steel edges 5.
  • a ski comprising a ski body, at least one load-bearing lower facing sheet, steel edges and at least one intermediate layer of elastomer material, wherein the steel edges are arranged laterally beside and in spaced relationship with the load-bearing lower facing sheet and the steel edges as well as said lower facing sheet are solely connected with the ski body over a common intermediate layer of elastomer material.

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  • Laminated Bodies (AREA)
US12209A 1969-02-21 1970-02-19 Ski Expired - Lifetime US3705729A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT176769A AT296103B (de) 1969-02-21 1969-02-21 Schi

Publications (1)

Publication Number Publication Date
US3705729A true US3705729A (en) 1972-12-12

Family

ID=3520563

Family Applications (1)

Application Number Title Priority Date Filing Date
US12209A Expired - Lifetime US3705729A (en) 1969-02-21 1970-02-19 Ski

Country Status (3)

Country Link
US (1) US3705729A (enrdf_load_stackoverflow)
AT (1) AT296103B (enrdf_load_stackoverflow)
DE (1) DE2007435B2 (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4261778A (en) * 1976-11-23 1981-04-14 A/S Norske Skiprodukter Method of producing skis
US4634140A (en) * 1983-10-27 1987-01-06 Fischer Gesellschaft M.B.H. Process of manufacturing a ski and a ski which is manufactured by that process
US20050073132A1 (en) * 2001-01-05 2005-04-07 Scott Barbieri Gliding board with varying bending properties
US20090051142A1 (en) * 2007-06-01 2009-02-26 Salomon S.A. Gliding board with lateral running edges
US20090179402A1 (en) * 2008-01-10 2009-07-16 Francois Sylvain Horizontal laminated ski construction

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT366919B (de) * 1979-12-17 1982-05-25 Kaestle Gmbh Ski
DE3141194A1 (de) * 1981-10-16 1983-05-11 Lentia GmbH Chem. u. pharm. Erzeugnisse - Industriebedarf, 8000 München Verbundwerkstoff und verfahren zu seiner herstellung
DE3822900C2 (de) * 1988-07-06 1993-10-14 Danubia Petrochem Deutschland Verfahren zur Herstellung eines Skis oder eines skiähnlichen Sportgeräts

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1152848A (fr) * 1956-06-29 1958-02-26 Abel Rossignol Ets Ski
US2995379A (en) * 1958-12-30 1961-08-08 Head Howard Ski
FR1299263A (fr) * 1961-08-31 1962-07-20 Ski
US3194572A (en) * 1960-12-07 1965-07-13 Fischer Josef Laminated ski
AT250229B (de) * 1964-03-25 1966-10-25 Albert Bader Seitenbelag für Skier
US3329437A (en) * 1965-03-10 1967-07-04 Hart Ski Mfg Co Inc Bottom structure for skis

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1152848A (fr) * 1956-06-29 1958-02-26 Abel Rossignol Ets Ski
US2995379A (en) * 1958-12-30 1961-08-08 Head Howard Ski
US3194572A (en) * 1960-12-07 1965-07-13 Fischer Josef Laminated ski
FR1299263A (fr) * 1961-08-31 1962-07-20 Ski
AT250229B (de) * 1964-03-25 1966-10-25 Albert Bader Seitenbelag für Skier
US3329437A (en) * 1965-03-10 1967-07-04 Hart Ski Mfg Co Inc Bottom structure for skis

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4261778A (en) * 1976-11-23 1981-04-14 A/S Norske Skiprodukter Method of producing skis
US4634140A (en) * 1983-10-27 1987-01-06 Fischer Gesellschaft M.B.H. Process of manufacturing a ski and a ski which is manufactured by that process
US20050073132A1 (en) * 2001-01-05 2005-04-07 Scott Barbieri Gliding board with varying bending properties
US7396036B2 (en) 2001-01-05 2008-07-08 The Burton Corporation Gliding board with varying bending properties
US20090051142A1 (en) * 2007-06-01 2009-02-26 Salomon S.A. Gliding board with lateral running edges
US8096573B2 (en) * 2007-06-01 2012-01-17 Salomon S.A.S. Gliding board with lateral running edges
US20090179402A1 (en) * 2008-01-10 2009-07-16 Francois Sylvain Horizontal laminated ski construction
US8104784B2 (en) * 2008-01-10 2012-01-31 K-2 Corporation Horizontal laminated ski construction

Also Published As

Publication number Publication date
DE2007435A1 (enrdf_load_stackoverflow) 1970-09-10
AT296103B (de) 1972-01-25
DE2007435B2 (de) 1975-11-13

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