Injection molding machine having an injection nozzle control dev

Details Injection molding machine having an injection nozzle control dev Injection molding machine having an injection nozzle control dev

1988-03-16

1989-02-28

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

425192R, 425564, 425574, B29C 4520

Patent

active

048081035

ABSTRACT:
An injection molding machine includes a plasticizing cylinder, a shutoff nozzle mounted at the front of the plasticizing cylinder, a shutoff nozzle control for opening or closing the shutoff nozzle, and a carrier block including a bore for receiving a rear terminus of the plasticizing cylinder. The shutoff nozzle control includes a first power device supported in the carrier block; a force-transmitting element connected to the shutoff nozzle and extending therefrom to the first power device; and a coupling arrangement including a movable coupling mechanism for placing the force-transmitting element into an engaged or a disengaged position relative to the first power device, whereby in the disengaged position the plasticizing cylinder is, together with the force-transmitting element, movable away from the first power device and the carrier block. The coupling arrangement further has a second power device connected to the coupling mechanism for placing the coupling mechanism into the engaged or disengaged position.

REFERENCES:
patent: 4708622 (1987-11-01), Hehl

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