Film molding apparatus

Details Film molding apparatus Film molding apparatus

1993-10-08

1995-03-21

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Preform reshaping or resizing means: or vulcanizing means...

Including both heating and cooling means

425397, 425407, 425419, 425420, 425812, 425445, B29C 7102

Patent

active

053990811

ABSTRACT:
A film molding apparatus wherein a film is immersed in a vessel of a film supply unit, the film containing at least 50 weight % swelling agent relative to a polymer constituting the film, and the vessel being filled with soaking liquid which acts so as not to destroy a swelling condition of the film, and a film piece corresponding to one molded product is supplied from the film supply unit to a mold press.

REFERENCES:
patent: 3482281 (1969-12-01), Thiel
patent: 3663135 (1972-05-01), Schiesser
patent: 3746497 (1973-07-01), Neil
patent: 3777002 (1973-12-01), Suzuki et al.
patent: 3811647 (1974-05-01), Pink
patent: 3966686 (1976-06-01), Asakura et al.
patent: 4162885 (1979-07-01), Asel
patent: 4789328 (1988-12-01), Knoll
patent: 4857255 (1989-08-01), Imanishi et al.
patent: 4929164 (1990-05-01), Duina
patent: 5139407 (1992-08-01), Kim et al.

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