Mold device for molding a preform

Details Mold device for molding a preform Mold device for molding a preform

1986-11-24

1989-01-10

Hoag, Willard E.

Plastic article or earthenware shaping or treating: apparatus

Female mold and means to shape parison directly by internal...

Including means to prepare parison

425534, 425540, 425576, B29C 4506, B29C 4936

Patent

active

047970847

ABSTRACT:
A mold device for molding a preform in which a lip mold is provided on the lower surface of a transfer plate rotatably mounted above a machine bed, and the lip mold is moved up and down together with a core mold to carry out opening and closing a mold without vertically moving the cavity mold with respect to the lip mold or without vertically moving the transfer mold together with the lip mold with respect to the fixed cavity mold.

REFERENCES:
patent: 3224040 (1965-12-01), Bridges et al.
patent: 3632274 (1972-01-01), Gillespie
patent: 3820930 (1974-06-01), Hehl
patent: 3905740 (1975-09-01), Lovejoy
patent: 4422843 (1983-12-01), Aoki
patent: 4473515 (1984-09-01), Ryder
patent: 4529372 (1985-07-01), Saumsiegle
patent: 4648824 (1987-03-01), Aoki

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