Ejector valve plastic molding apparatus

Details Ejector valve plastic molding apparatus Ejector valve plastic molding apparatus

1993-02-18

1994-12-13

Nguyen, Khanh

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

With product ejector

425564, 425566, 425436R, 425436RM, 425444, 425DIG227, 249 67, B29C 4520, B29C 4540

Patent

active

053724968

ABSTRACT:
A molding apparatus for plastic objects which includes a valve which allows ejector pins to be positioned in close proximity to the valve needle. The valve includes a valve body and a flange surrounding at least a portion of the valve body such that the outer edges of the valve body and/or the flange may have slots which extend lengthwise from the top to the bottom of the valve. Depressed portions in the side portions of the flange and corresponding outer edges of the valve body may also extend through the length of the valve. The slots and depressed portions may be utilized for positioning ejector pins in close proximity to the valve needle.

REFERENCES:
patent: 4378963 (1983-04-01), Schowenberg
patent: 4705473 (1987-11-01), Schmidt
patent: 4715806 (1987-12-01), Ehrler et al.
patent: 4979892 (1990-12-01), Gellert

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