Liquid purification or separation – Processes – Separating
Patent
1992-07-02
1993-10-26
Dawson, Robert A.
Liquid purification or separation
Processes
Separating
210495, 2104972, 210499, 55502, 55DIG31, B01D 2913
Patent
active
052563120
ABSTRACT:
The apparatus comprises a pneumatically sealed filter assembly which provided a tight coupling between a filter and a mounting frame for preventing unfiltered fluids, such as air, from bypassing the filter. The apparatus comprises a filter, a mounting frame and an inflatable sealing assembly of substantially uniform thickness which forms a seal between the filter and the mounting frame. The inflatable sealing assembly is a low pressure seal, maintaining a maximum pressure of ten pounds per square inch.
REFERENCES:
patent: 3849092 (1974-11-01), Bakke et al.
patent: 4082525 (1978-04-01), Allan
patent: 4626265 (1986-12-01), Adiletta
patent: 4732675 (1988-03-01), Badalata et al.
patent: 5075000 (1991-12-01), Bernard et al.
Dawson Robert A.
Millard W. L.
Neiman Thomas N.
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