Rotary injection molding press

Details Rotary injection molding press Rotary injection molding press

1983-04-04

1985-10-15

Czaja, Donald

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

Means responsive to abnormal condition completely stop...

264 405, 425150, 425DIG45, B29F 100

Patent

active

045471401

ABSTRACT:
An improved rotary injection molding press for plastic parts of the type having a movable platform which indexes one or more manually opened and closed mold blocks to and from different stations on the press. Should an open mold block index from a preparation station to the index station where an injector mechanism injects fluid plastic into closed mold blocks, an actuator detects the open mold block to activate switch means to stop the press. Should a closed mold block index from a cooling station when the injected plastic cools in the mold block to an eject station which ejects the completed part from open mold blocks, a pin disposed in the mold block activates a switch to stop the press. Additionally a protective shroud is provided surrounding the injector mechanism to protect the press operator. Removal of the shroud activates a switch to stop the press.

REFERENCES:
patent: 2201244 (1940-05-01), Root
patent: 2906214 (1959-09-01), Frank
patent: 3877859 (1975-04-01), Grazine
patent: 4421467 (1983-12-01), Richmond
Illinois Precision Corporation brochure entitled for "Model TTM-H2".

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