Method for manufacturing an injection-molded foam core ski plate

Details Method for manufacturing an injection-molded foam core ski plate Method for manufacturing an injection-molded foam core ski plate

1984-05-14

1986-05-20

Anderson, Philip

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264261, 2643286, 264DIG83, 425543, 425817R, B29C 6722, B29C 4514

Patent

active

045900230

ABSTRACT:
Method of manufacturing an injection-molded ski plate comprising steps of disposing a lower side member in a lower mold, disposing an upper side member in the lower mold, disposing an upper mold formed with a concaved portion corresponding to a roof-like shape with the widthwise central part of the ski plate and injecting a foaming synthetic resin into a hollow space between the lower and upper members and harding after foaming, whereby the upper member is molded following the roof-like concaved portion so that a convexed roof-like portion is formed on the upper member.

REFERENCES:
patent: 2976577 (1961-03-01), Gould
patent: 3733380 (1973-05-01), Ishida
patent: 3816573 (1974-06-01), Hashimoto et al.
patent: 3958810 (1976-05-01), Bohm
patent: 4259274 (1981-03-01), Tiitola
patent: 4386982 (1983-06-01), Weinhaus

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