Resin molding process utilizing a blow molded core

Details Resin molding process utilizing a blow molded core Resin molding process utilizing a blow molded core

1990-11-21

1992-12-08

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Corrugating

264257, 264258, 264279, 2642791, 2643284, 2643286, 264512, 264513, B29C 4920, B29C 4514

Patent

active

051695901

ABSTRACT:
Automobile panels and body parts are manufactured using a core element (10, 10'). The core element (10, 10') may be blow molded into a hollow core member for use in liquid resin molding. The core element (10') may include molded channels (26) extending longitudinally therealong to facilitate the flow of liquid about the core element (10') during the molding process. The core element (10') may also or alternatively include a corrugated portion (32) to allow bending of the rigid core (10') during placement within the mold (34). After placement in a mold (34), a liquid molding process is initiated to form the automobile panels and body parts.

REFERENCES:
patent: 4317964 (1982-02-01), Ferrary
patent: 4470785 (1984-09-01), Koorevaar
patent: 4762740 (1988-08-01), Johnson et al.
patent: 5000990 (1991-03-01), Freeman
patent: 5034173 (1991-07-01), Ahman

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