Feed device for plastics processing machines

Details Feed device for plastics processing machines Feed device for plastics processing machines

1973-09-27

1976-06-29

Jenkins, Robert W.

Plastic article or earthenware shaping or treating: apparatus

Projection

259 22, 425207, B29B 104

Patent

active

039661776

ABSTRACT:
This invention is addressed to a new and improved feeding device for feeding plastic materials, such as thermoplastic materials, to a processing machine including a fixed plate and a rotatable plate having an annular channel therebetween and a feed hopper to supply plastic material to the annular channel in which the feeding device comprises a metering screw to feed plastic material from the feed hopper to the annular channel and a hook-crown including a plurality of deflecting hooks mounted on the rotatable plate in the annular channel whereby the deflecting hooks sweep the volume of the annular channel and deflect the plastic material fed thereto by the metering screw to permit regular and efficient feeding to the processing device.

REFERENCES:
patent: 3153686 (1964-10-01), Adams
patent: 3262154 (1966-07-01), Valyi
patent: 3277528 (1966-10-01), Nikiforov
patent: 3602943 (1971-09-01), Neuville
patent: 3605186 (1971-09-01), Wagner

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