Injection molding machine with feed plunger in hopper

Details Injection molding machine with feed plunger in hopper Injection molding machine with feed plunger in hopper

1975-01-24

1977-07-19

Reeves, Robert B.

Dispensing

With discharge assistant

Plural

222488, 222492, 425568, B29F 106

Patent

active

040364100

ABSTRACT:
An injection molding machine for plastic material comprising an injection cylinder; a displaceable element axially disposed in the cylinder, one of the cylinder and displaceable element being movable with respect to the other; an injection nozzle on one end of the injection cylinder; a feed device including a feed hopper and a plunger reciprocally mounted in said hopper in communication with the other end of the cylinder; a pressure block between the feed device and the other end of the cylinders and a substantially continuously curving passage in the pressure block.

REFERENCES:
patent: 3163888 (1965-01-01), Shattuck
patent: 3310843 (1967-03-01), Mancuso
patent: 3685937 (1972-08-01), Engel

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