Method of underwater granulation

Details Method of underwater granulation Method of underwater granulation

1978-03-03

1981-04-28

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

To form particulate product

264169, 425313, B28B 1110

Patent

active

042645530

ABSTRACT:
A process for extruding and granulating thermoplastic material comprises passing a thermoplastic melt through a face-cut extruder or melt pump having an insulated die plate where the insulated die plate consists of a die plate having on its face or as an integral part of the die plate which is in contact with the cooling liquid a member or portion having a plurality of cavities or pores which surround the extrusion holes, the cavities or pores being of a type that communicate with the cooling liquid. Also disclosed is the thermoplastic processing apparatus.

REFERENCES:
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patent: 3308507 (1967-03-01), Black
patent: 3372215 (1968-03-01), Murhead et al.
patent: 3436449 (1969-04-01), Trey et al.
patent: 3516120 (1970-06-01), Braun et al.
patent: 3599285 (1971-08-01), Hamilton
patent: 3599286 (1971-08-01), Karet
patent: 3605187 (1971-09-01), Wursten et al.
patent: 3749536 (1973-07-01), Remichard et al.
patent: 3981959 (1976-09-01), Cuff
patent: 4112039 (1978-09-01), Cuff

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