Process for making reinforcing layers on inner surfaces of compl

Details Process for making reinforcing layers on inner surfaces of compl Process for making reinforcing layers on inner surfaces of compl

1984-06-18

1986-05-20

Silbaugh, Jan

Plastic and nonmetallic article shaping or treating: processes

With step of making mold or mold shaping, per se

Utilizing surface to be reproduced as an impression pattern

264242, 264317, B29C 3352

Patent

active

045900264

ABSTRACT:
A process for forming reinforcing layers or films on the complicated configured interior surfaces of a unitary molded plastic body consisting of providing soluble or meltable inert core member, applying ceramic or metallic reinforcing layers or films onto outer surfaces of the core member except its longitudinal ends, placing the core member covered with the reinforcings in the mold cavity, molding a plastic body around and integrally with the reinforcing layers or films on the core member, and fluidizing the core member to remove the same from the interior of said plastic body leaving the reinforcing layers or films on the interior surfaces of the plastic body.

REFERENCES:
patent: 2628166 (1953-02-01), Haller
patent: 3405212 (1968-10-01), Fraser et al.
patent: 3654009 (1972-04-01), Judd et al.
patent: 3882220 (1975-05-01), Ryder

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