Apparatus for cleaning viscous materials

Details Apparatus for cleaning viscous materials Apparatus for cleaning viscous materials

1986-10-03

1989-06-27

Fisher, Richard V.

Liquid purification or separation

Processes

Separating

210741, 210107, 210387, 210399, 425197, B01D 2902, B01D 3304, B01D 3704

Patent

active

048427500

ABSTRACT:
The invention relates to an apparatus for cleaning viscous materials, more particularly melted down scrap synthetic materials in a recycling process. The apparatus of the invention comprises a cleaning screen in the form of a strip which can be moved at right angles to the direction of flow of the material to be cleaned, so that the soiled area of the screen may be replaced by a clean area. In order to prevent the synthetic material from escaping when the cleaning screen is advanced, the volume before the screen is enlarged. This reduces or eliminates the pressure upon the screen so that the strip can easily be displaced, with no escape of the viscous material from the gaps in which the cleaning screen is located.

REFERENCES:
patent: 2507311 (1950-05-01), Lodge
patent: 2867324 (1959-01-01), Hirs
patent: 3855126 (1974-12-01), Smith
patent: 3940335 (1976-02-01), Kalman
patent: 4159953 (1979-07-01), Paquette
patent: 4318677 (1982-03-01), Wrich et al.
patent: 4358262 (1982-11-01), Herbert
patent: 4410477 (1983-10-01), Claude
patent: 4486304 (1984-12-01), Neuman et al.

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