Nissui Kako Co., Ltd

Shoji Nakagomi

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.

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Kawaguchi, Japan

Shoji Nakagomi