Filter apparatus with a flexible collar

Details Filter apparatus with a flexible collar Filter apparatus with a flexible collar

1990-10-04

1993-02-23

Dawson, Robert A.

Liquid purification or separation

With repair or assembling means

210445, 210448, 210452, 210470, B01D 2911, B01D 2700

Patent

active

051887312

ABSTRACT:
Filter apparatus for filtering liquids in pressure vessels. The invention solves the sealing problem associated with filter bags by providing a filterable seal fabricated from the filter material itself fastening to a flexible collar. The filter provides simple insertion or removal, low cost of fabrication yet ensures that substantially all liquid passing through the pressure vessel will be filtered.

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patent: 4702790 (1987-10-01), Hug et al.
patent: 4802900 (1989-02-01), Ball et al.
patent: 5015376 (1991-05-01), Picek
patent: 5045194 (1991-09-01), Gershenson
patent: 5075004 (1991-12-01), Gershenson et al.
patent: 5774769 (1973-11-01), Smith

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