Apparatus for treating thermoplastic resin

Details Apparatus for treating thermoplastic resin Apparatus for treating thermoplastic resin

1986-12-29

1989-02-07

Jenkins, Robert W.

Agitating

Rubber or heavy plastic working

With specified vent means

366 76, 425 84, 425200, 425209, B29B 110

Patent

active

048027693

ABSTRACT:
Apparatus for treating a thermoplastic resin is made up of a feed barrel supplied with the thermoplastic resin, a slit barrel for discharging a liquid component of the resin, a press-in barrel into which a polymer is admitted under pressure, and a vent barrel having a vent opening for discharging vaporized substance generated by the thermoplastic resin and the polymer. These barrels are serially interconnected to from a cylinder which contains a screw for kneading a mixture of the resin and the polymer. The kneaded mixture is extruded as a strand.

REFERENCES:
patent: 3578740 (1971-05-01), Redding
patent: 3963558 (1976-06-01), Skidmore
patent: 4107787 (1978-08-01), Ocker
patent: 4260264 (1981-04-01), Maki
patent: 4446094 (1984-06-01), Rossiter

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