Feeding apparatus for lightweight plastic particles into a high

Details Feeding apparatus for lightweight plastic particles into a high Feeding apparatus for lightweight plastic particles into a high

1977-03-18

1978-04-04

Makay, Albert J.

Cutlery

302 59, 214 23, B65G 6532

Patent

active

040823660

ABSTRACT:
Scrap polyurethane foam particles are intermittently fed into a high pressure hydrolysis reactor for recycling by means of a novel feed apparatus mounted on the reactor. The particles are air carried through a controlled inlet valve into the housing of the feed apparatus. The housing is lined with an open ended cylindrical perforated sleeve that retains a charge of particles but permits the air to be exhausted from the housing. An outlet valve is opened and a piston, reciprocative in the sleeve, pushes the particles through the housing outlet into the high pressure reactor. The piston is retracted, the outlet valve closed, and the cycle repeated.

REFERENCES:
patent: 4003530 (1977-01-01), Davis

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