Camera housing optical sealing method and device

Details Camera housing optical sealing method and device Camera housing optical sealing method and device

1977-09-21

1978-09-12

Price, William

Receptacles

Closures

Having means for securing or retaining closure in its closed...

220 82R, 220378, 277188R, B65D 4532, B65D 2554, B65D 5300

Patent

active

041131371

ABSTRACT:
A new and improved device and method for hermetically sealing a lens window to a camera housing, which permits removal of the window from a pressurized housing without danger to the technician due to rapid or explosive decompression. The device comprises a unique combination of an O-ring seal and a square or rectangular cross-section face seal ring with two snap-rings in such a manner that removal of the first snap-ring causes controlled decompression of the housing, while the lens window is retained by the second snap-ring.

REFERENCES:
patent: 2215566 (1940-09-01), Schaaf, Jr.
patent: 2790462 (1957-04-01), Ashton
patent: 3132764 (1964-05-01), Hutton, Jr.
patent: 3381970 (1968-05-01), Brown

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