Plastic material dryer

Details Plastic material dryer Plastic material dryer

1989-03-23

1991-03-05

Bennet, Henry A.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

219 1055A, B01K 500, H05B 678

Patent

active

049967797

ABSTRACT:
A method of and apparatus for effectively drying pelletized or powdered plastic material by irradiation of the plastic material by microwaves while agitating it in a rotating drum that provides for sealing against leakage of plastic material or microwaves and provides means for exhausting moisture laden air therefrom. The combination of radiation by microwaves, even agitation by the rotating drum, and exhaustion of moisture driven from the plastic material provides a method of effectively drying plastic material uniformly, efficiently, and to a state of sufficient dryness for proper molding.

REFERENCES:
patent: 4510361 (1985-04-01), Mahan

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