Shell mold mechanism

Details Shell mold mechanism Shell mold mechanism

1989-10-23

1990-11-27

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

With direct application of magnetic force to manipulate...

249 93, 249 94, 264 468, 425111, 425117, 425DIG48, B29C 3316, B29C 3910

Patent

active

049732340

ABSTRACT:
Apparatus for stabilizing the location of a skin or shell in a mold for foaming a part includes magnets on the mold adapted to be releasably interconnected to a shell retention and draw bar. The draw bar connects to an integral shell connector. The draw bar is adjustable to pull the shell with respect to the magnets for removing wrinkles from the shell prior to foaming the part.

REFERENCES:
patent: 4195046 (1980-03-01), Kesling
patent: 4465710 (1984-08-01), Uchiyama et al.
patent: 4544126 (1985-10-01), Melchert
patent: 4608744 (1986-09-01), Nemoto
patent: 4653718 (1987-03-01), Dickens
patent: 4673542 (1987-06-01), Wigner et al.
patent: 4836495 (1989-06-01), McCormack
patent: 4844853 (1989-07-01), Ito et al.

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