Patent · US Expired

Ski

US4813699A · kind A · utility

3Cited by

4References

5Claims

0Family size

Assignee

Feldmuhle Aktiengesellschaft · DE

Inventors

Wolfgang Burger · Burgrain, DE
Gert Wloka · Esslingen am Neckar, DE
Helmut Sommer · Cologne, DE

Key dates

Filing date	Jun 11, 1987
Grant date	Mar 21, 1989
Priority date	—
Expiry date	Jun 11, 2007

Classification

Technology area (CPC A)Human Necessities
CPC primaryA63C5/044
WIPO fieldFurniture, games
WIPO sectorOther fields

Abstract

A ski having good glidability, and low wear in its glide zones, and in which the tread areas in the glide zones are so configured that ordinary flexural stress will not ensue in cracking or other damage to the thread. The ski has a glide surface comprising one or more elements which are in the form of at least one of solid ceramic sintered compacts and coated metal base plates.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.