Injection ski and a method of manufacturing same

Details Injection ski and a method of manufacturing same Injection ski and a method of manufacturing same

1986-06-25

1987-12-08

Love, John J.

Land vehicles

Skates

Runner type

264 467, A63C 512

Patent

active

047114622

ABSTRACT:
An injection ski comprises a pair of spaced composite elements and an expanded plastic interposed between the composite elements. The upper composite element is provided with convex portions formed thereon to prevent the composite element from sagging due to its own weight during moulding operation of the ski.

REFERENCES:
patent: 2362380 (1944-11-01), Kallstrom et al.
patent: 2560693 (1951-07-01), Hickman
patent: 2634136 (1953-04-01), Tribelhorn
patent: 4130614 (1978-12-01), Saidla
patent: 4250585 (1981-02-01), Thuriault et al.
patent: 4259274 (1981-03-01), Tiitola
patent: 4382610 (1983-05-01), Arnsteiner

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