Plastic and nonmetallic article shaping or treating: processes – Forming articles by uniting randomly associated particles – With subsequent cutting – grooving – breaking – or comminuting
Patent
1982-08-06
1984-05-01
Woo, Jay H.
Plastic and nonmetallic article shaping or treating: processes
Forming articles by uniting randomly associated particles
With subsequent cutting, grooving, breaking, or comminuting
264141, 425331, 425DIG230, C09C 156
Patent
active
044460864
ABSTRACT:
A process and apparatus for producing a dust-free blend of additives for use in plastic manufacture wherein the materials are extruded through apertures in a thin die plate supported by a strong die plate support, the apertures in the die plate being larger at their inlet ends than at their outlet ends, and apertures in the die plate support being larger than the die plate apertures, and the product being strand-like pellets of the additive materials.
REFERENCES:
patent: 2902715 (1959-09-01), Norman
patent: 3129458 (1964-04-01), Mitchell
patent: 3518723 (1970-07-01), Wooding
patent: 4080134 (1978-03-01), Klaeysen et al.
Molenaar Maarten
Schreuder Hermann A.
EnviroStrand, Inc.
Woo Jay H.
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