Reusable filter unit with recoverable filter membrane

Details Reusable filter unit with recoverable filter membrane Reusable filter unit with recoverable filter membrane

1985-06-07

1987-07-07

Sadowski, David

Liquid purification or separation

Filter

Divided filtered, and unfiltered liquid passages

210445, 210450, 210451, 210453, B01D 1300

Patent

active

046785760

ABSTRACT:
A reusable laboratory filter unit having a recoverable filter member. The unit has an upper body or reservoir for receiving the liquid to be filtered and a lower body or receptacle for receiving filtrate. A plate for supporting the filter membrane is captured between the upper and lower bodies when the bodies are joined together. A threaded ring arrangement draws the bodies together axially without rotating one with respect to the other so the membrane is not subjected to any twisting force. Separation of the bodies exposes the support plate so it can be easily removed to recover the membrane.

REFERENCES:
patent: 1411972 (1922-04-01), Madden
patent: 2775350 (1956-12-01), Jones
patent: 3085689 (1963-04-01), Hering et al.
patent: 3295686 (1967-01-01), Krueger
patent: 3360128 (1967-12-01), Federline
patent: 3361261 (1968-01-01), Fairey et al.
patent: 3929648 (1975-12-01), Cuthbert
patent: 4055498 (1977-10-01), Radnoti

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