Molding part of thermoplastic resin and method of fabricating sa

Details Molding part of thermoplastic resin and method of fabricating sa Molding part of thermoplastic resin and method of fabricating sa

1995-04-03

1997-07-08

McCamish, Marion E.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264 457, 264 465, 264528, 264529, 264DIG14, B29D 900

Patent

active

056457790

ABSTRACT:
A protector made of thermoplastic resin to which a foaming agent is added is adapted such that no foams are present in the thermoplastic resin forming a predetermined volume area including lock portions mounted on a protector body for integrating the protector body and a lid element but foams are present in the thermoplastic resin forming the area other than the predetermined volume area, whereby a molded part of thermoplastic resin is provided which accomplishes weight reduction and an insured strength at a strength-required area.

REFERENCES:
patent: 3211605 (1965-10-01), Spaak et al.
patent: 3384691 (1968-05-01), Weissman et al.
patent: 3767742 (1973-10-01), Robin
patent: 3958053 (1976-05-01), Ryan
patent: 3962390 (1976-06-01), Mori et al.
patent: 4129635 (1978-12-01), Yasuike et al.
patent: 4157413 (1979-06-01), Ruhl
patent: 4808450 (1989-02-01), Guy
Database WPI, Section CH, Week 8023, Class A32, AN 80-40795C ; JPA 55-057,439; Apr. 29, 1980.

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