Method of making multi-segment plastic components

Details Method of making multi-segment plastic components Method of making multi-segment plastic components

1994-01-14

1995-07-25

Woo, Jay H.

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

164132, 249 62, 249184, 264317, 264318, B29C 3352

Patent

active

054359600

ABSTRACT:
A core ring assembly for use in production of a plastic injection-molded component is formed by injecting molten metal alloy into core dies to produce two intricately shaped ring type elements--one male, one female. Removing the male and female ring elements from the core dies and combining the two elements in an assembly machine to form a uniform, geometrically symmetrical, integral core ring assembly. The core ring assembly is transported to a plastic molding machine for overmolding the core ring assembly with either thermosetting or thermoplastic material. Then, the core assembly is melted out from the plastic component in a hot oil bath or induction melt-out, and the molten alloy recovered thereby is returned to a molten metal alloy tank for reuse.

REFERENCES:
patent: 4871505 (1989-10-01), Lapeyre
patent: 4958675 (1990-09-01), Kidd
patent: 5173237 (1992-12-01), Kidd
patent: 5257922 (1993-11-01), Vansnick et al.

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