Ski
US4412687A · kind A · utility
36Cited by
7References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 11, 1982 |
| Grant date | Nov 1, 1983 |
| Priority date | — |
| Expiry date | Feb 11, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24157
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A ski of laminated material which comprises at least one core layer of rigid material wherein at least a portion of at least one of its plane sides is covered with a rubberlike material having a loss tangent of about 0.1 and in which material twisted filament bundles are embedded, the filaments having a tensile strength of at least 2000 N/mm.sup.2 and a modulus of elasticity of at least 7.times.10.sup.4 N/mm.sup.2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.