Apparatus for introducing injection material into a mold

Details Apparatus for introducing injection material into a mold Apparatus for introducing injection material into a mold

1995-08-24

1997-08-26

Heitbrink, Tim

Plastic article or earthenware shaping or treating: apparatus

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

Feed control of material en route to shaping area

264 407, 425149, 425206, 425207, 425542, B29C 4577

Patent

active

056608640

ABSTRACT:
By embodying a feed screw (17) for glass fiber reinforced polyester material with a hollow shaft, it is possible for the injection piston (11) for an injection unit (9) to have a compact structure so as to be passed through the feed screw (17). To process even viscous polyester compositions gently, the injection piston can be equipped with a plasticizer screw and an associated plasticizer motor.

REFERENCES:
patent: 3888393 (1975-06-01), Drori
patent: 4734025 (1988-03-01), Kawamura et al.

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