Testable gasket seal arrangement

Details Testable gasket seal arrangement Testable gasket seal arrangement

1987-06-08

1988-08-23

Hart, Charles

Gas separation

With nonliquid cleaning means for separating media

Solid agent cleaning member movingly contacts apparatus

55355, 55500, 55502, 73 40, 73 46, B01D 5330

Patent

active

047658100

ABSTRACT:
A selective fluid flow control device has a control element which is held in sealing relationship with a housing, with first and second seals being formed to confine the fluid flow through the control element. The first and second seals define a sealed chamber from which the fluid is excluded, and a gas conduit communicates between outside of the housing and the sealed chamber for applying a test pressure to the chamber to test the quality of these seals. In a preferred embodiment, the selective fluid control device is a filter arrangement for a clean room or the like, and the seals are formed against the filter gasket by a seating arrangement formed of an extruded rail that has a web and first and second ribs, the ribs being biased against the gasket.

REFERENCES:
patent: 333412 (1885-12-01), Hoeveler
patent: 2536793 (1951-01-01), Anderson et al.
patent: 2766614 (1953-10-01), Cook
patent: 3834134 (1974-09-01), McAllister
patent: 4019371 (1977-04-01), Chaplin et al.
patent: 4202201 (1980-05-01), Johnson
patent: 4324568 (1982-04-01), Wilcox et al.
patent: 4344784 (1982-08-01), Deckas et al.
patent: 4349363 (1982-09-01), Patel et al.
patent: 4373635 (1983-02-01), Mules

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