Screen changer

Details Screen changer Screen changer

1975-01-10

1976-06-08

Granger, Theodore

Liquid purification or separation

With repair or assembling means

Sliding or rolling on guide means

210329, 210DIG15, B01D 2902

Patent

active

039620921

ABSTRACT:
A simplified screen changer is provided which is particularly suitable for the extrusion of synthetic resinous thermoplastics. Screens are supported in a recessed movable plate. The screen on the upstream side is sealed against leakage by means of an extrusion pressure actuated sealing ring. The apparatus is of simple and rugged construction.

REFERENCES:
patent: 565972 (1896-08-01), Lowlex
patent: 3441138 (1969-04-01), Rosaen et al.
patent: 3645401 (1972-02-01), Roberts
patent: 3743101 (1973-07-01), Schmidt
patent: 3788484 (1974-01-01), Godin
patent: 3797665 (1974-03-01), Paquette
patent: 3876545 (1975-04-01), Norwood

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