Nozzle for a synthetic plastic injection molding machine

Details Nozzle for a synthetic plastic injection molding machine Nozzle for a synthetic plastic injection molding machine

1985-07-12

1987-10-27

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

26432812, 425463, 425568, 425573, B29C 4520

Patent

active

047026863

ABSTRACT:
Nozzle for synthetic plastic injection molding machines made up of a shaft including a flow channel for plastic material and equipped with a tip. The flow channel is divided so that the plastic flows in two partial channels prior to reaching the tip. The shaft is made of a tube segment. The forward frontal orifice of the tube segment has a small plate tapering into a point. The point protrudes past the shaft. The tube segment at its frontal orifice has both an internal and an external turned recess. The internal recess serves as a seat for the small plate. The external recess serves as a seat for a nozzle cap, which comprises the injector orifice of the nozzle and serves to hold the small plate in place. The small plate has a shoulder at the transition to the tapering area to serve as a contact surface for a corresponding shoulder formed in the nozzle cap.

REFERENCES:
patent: 2500401 (1950-03-01), Cossette
patent: 3762849 (1973-10-01), Claes
patent: 4285660 (1981-08-01), Mueller

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