Thermoplastic waste converter

Details Thermoplastic waste converter Thermoplastic waste converter

1975-04-09

1976-04-13

Lake, Roy

Solid material comminution or disintegration

Apparatus

Including means applying fluid to material

241 15, B02C 1108

Patent

active

039499413

ABSTRACT:
An apparatus for converting thermoplastic waste material into a commercial-grade granular material wherein the waste material is introduced into a chamber containing a rotating cutter which shreds and frictionally heats the thermoplastic material which is thereafter cooled by cooling water added to the material while the cutting operation continues. The cooling water or vapor is then withdrawn or exhausted from the container under negative pressure leaving the granular material dry. Also, solvents are removed from the material. The cutter blade may include baffle bars which provide frictional heating surfaces for heating the thermoplastic waste material.

REFERENCES:
patent: 3510067 (1970-05-01), Beck et al.
patent: 3717307 (1973-02-01), Beck

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