Sight glass assembly

Details Sight glass assembly Sight glass assembly

1974-11-08

1976-04-20

Queisser, Richard C.

Receptacles

Closures

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

220377, 220 82A, 350319, 73334, B65D 2554

Patent

active

039513017

ABSTRACT:
A sight glass assembly comprising a housing having an opening therethrough, the opening having an enlarged section providing a shoulder, a face plate having an opening registered with the opening in the housing, mounted on the housing in opposed relation to the shoulder, a lens disposed in the enlarged section of the opening in the housing and interposed between the shoulder and the face plate, a resilient packing disposed in the enlarged section of the opening in the housing, between the lens and the housing structure, said face plate having a flange portion projecting into the enlarged section of said housing opening and engaging said resilient packing, and means for securing said face plate to said housing to apply a compressive force on the packing, causing the packing to expand laterally to provide a compressive force about the periphery of the lens.

REFERENCES:
patent: 3345872 (1967-10-01), Meginnis
patent: 3625390 (1971-12-01), Meginnis
patent: 3746431 (1973-07-01), Meginnis

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