Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting – Controlling heat transfer with molding material
Patent
1975-09-23
1976-12-28
Hoag, Willard E.
Plastic and nonmetallic article shaping or treating: processes
With measuring, testing, or inspecting
Controlling heat transfer with molding material
264 37, 264117, 264142, 264176R, B29B 103, B29C 2900, B29F 308
Patent
active
040002322
ABSTRACT:
Method for cooling and pelletizing thermoplastic material including compacting the plastic material through a plurality of orifices. Air is vented from the compacting device by a conduit, and a pressurized gaseous stream is supplied in the conduit in a direction away from the compacting device. A signal is generated indicative of the temperature of a portion of the compacting device, and the flow rate of gaseous stream is controlled in response to the signal.
REFERENCES:
patent: 2289727 (1942-07-01), Randolph
patent: 3191227 (1965-06-01), Keefe
Klaeysen Adrian O.
Lehman Lester A.
Witty Ivan R.
Hoag Willard E.
Huggett Charles A.
Mobil Oil Corporation
Powers, Jr. James F.
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