Foreign material removing device in synthetic resin reclaiming m

Details Foreign material removing device in synthetic resin reclaiming m Foreign material removing device in synthetic resin reclaiming m

1978-09-08

1979-11-13

Bleutge, John C.

Plastic article or earthenware shaping or treating: apparatus

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

210407, 210408, 264 37, 264 404, 264169, 264DIG69, 425197, 425198, B29B 112

Patent

active

041741986

ABSTRACT:
A foreign material removing device in a synthetic resin reclaiming machine including an extruder having a screw shaft, a filter cylinder connected to the extruder, a resin filter mounted within the filter cylinder so as to form a resin chamber therebetween, a scraper shaft positioned within the filter cylinder and including projected strips as scraper which protrude aslant to the axis of the scraper shaft such that the strips contact the inner surface of the filter and interconnect with the screw shaft, a body fixed to the filter cylinder which includes a first guide hole, one end thereof being connected to the inside of the filter cylinder, an ejecting port, and a second guide hole disposed in an orthogonal direction with respect to the axis of the scraper so as to connect the first guide hole to the foreign material ejecting port further including a plurality of resin passages communicating with the resin chamber, a plurality of dies fixed to the body which include connecting passages for ejecting resin and a plurality of nozzle holes connecting to the resin ejecting passages, a squeezing piston connected to the body which reciprocates within a sliding guide hole, a slide piston operatively associated with the squeezing piston for contacting the squeezing piston, and a spring member for biasing the slide piston toward the squeezing piston.

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patent: 3932102 (1976-01-01), Rosenbaum
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patent: 3971721 (1976-07-01), Fogarty
patent: 4051574 (1977-10-01), Gaspar
patent: 4082487 (1978-04-01), Rapp

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