Automatic filter screen exchange apparatus for an extruder

Details Automatic filter screen exchange apparatus for an extruder Automatic filter screen exchange apparatus for an extruder

1975-11-28

1978-03-21

Lutter, Frank W.

Liquid purification or separation

Filter

Movable medium

210396, B01D 3300

Patent

active

040802973

ABSTRACT:
A hollow cylindrical breaker drum is rotatable and mounted in a cylindrical chamber of a main body to be connected to the forward end of the extruder and a band-like filter screen is introduced into the cylindrical chamber from the outside through a slit formed in the wall of the main body to be wound around the hollow breaker drum and passed to the outside from the cylindrical chamber through another slit formed in the wall of the main body, whereby the filter screen is adapted to be automatically exchanged by differentiating the thicknesses of both slits.

REFERENCES:
patent: 3276584 (1966-10-01), Mathewson
patent: 3330416 (1967-07-01), Hornbostel
patent: 3471017 (1969-10-01), Kalman
patent: 3645399 (1972-02-01), Kalman
patent: 3856680 (1974-12-01), Elmore
patent: 3912632 (1975-10-01), Winzen
patent: 3940335 (1976-02-01), Kalman
patent: 4010391 (1977-03-01), Kalman

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