Device to produce molded plastic parts from a flowable reaction

Details Device to produce molded plastic parts from a flowable reaction Device to produce molded plastic parts from a flowable reaction

1988-10-18

1990-01-23

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Female mold type means

425544, 425557, 425567, B29C 4527

Patent

active

048955035

ABSTRACT:
To avoid contaminating the sprue runner which leads from the mixing device to the molding cavity of a molding tool for the production of molded plastic, especially foam plastic, parts, an insertable lining is placed in the sprue runner and can be removed along with the molded part.

REFERENCES:
patent: 3995981 (1976-12-01), Fries
patent: 4680003 (1987-07-01), Schulte et al.
patent: 4743188 (1988-05-01), Gray et al.

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