Material feed unit for an injection molding machine

Details Material feed unit for an injection molding machine Material feed unit for an injection molding machine

1981-06-15

1984-02-14

Valenza, Joseph E.

Conveyors: power-driven

Conveyor system having a gravity conveyor section

198550, 198671, B65G 4718

Patent

active

044311052

ABSTRACT:
A plunger feed system for feeding stiff or thickened material into the injection unit barrel of an injection molding machine, minimizing the feed path of the material, to minimize the degradation of the fibers in the material. The system comprises a pair of pressurizable rams acutely arranged over an injection barrel, each ram also arranged perpendicular to the other, to facilitate the feeding operation and minimize material degradation.

REFERENCES:
patent: 1716317 (1929-06-01), Lowy
patent: 2765899 (1956-10-01), Ballard
patent: 2888155 (1959-05-01), Raymer, Sr. et al.
patent: 3978978 (1976-09-01), Herter
patent: 4077509 (1978-03-01), Berg, Jr.

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