Apparatus for cooling rubber and plastic extrudates

Details Apparatus for cooling rubber and plastic extrudates Apparatus for cooling rubber and plastic extrudates

1978-02-01

1980-01-29

Camby, John J.

Drying and gas or vapor contact with solids

Apparatus

With apparatus using centrifugal force

34 13, 165104F, 432197, F26B 1700

Patent

active

041853962

ABSTRACT:
Rubber and plastic extrudates are passed through a fluidized bed wherein they are simultaneously cooled and supported by gas-cooled, fluidized particles. In a preferred arrangement, the fluidized bed is provided with gas, cooled to a plurality of different temperatures, in order to provide a controlled cooling rate. By this technique, extrudates can be cooled as fast as they can be extruded with minimal thermal degradation, distortion, and marring.

REFERENCES:
patent: 3031769 (1962-05-01), Wilson
patent: 3997288 (1976-12-01), Takaoka et al.

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