Seal system between two metal flanges

Details Seal system between two metal flanges Seal system between two metal flanges

1986-12-12

1988-05-10

Shoap, Allan N.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277236, 285110, 285187, 285363, 285917, F16J 1502, F16L 1902

Patent

active

047430354

ABSTRACT:
A seal system between two metal pipes (1, 2) flanges (4, 5) exposed to extreme temperatures, includes at least one elastic annular lip (11, 12) which is held by one of the flanges, with its highest point (10) in contact with the other flange to form a seal line when the flanges are assembled. The lip (11, 12) is an integral part of one of the flanges (4, 5) and it is made by lathing two grooves (13, 14; 17, 18) with one groove (13, 17) radially penetrating the cylindrical surface (15, 19) of the flange, and the other groove penetrating perpendicularly to the former in the flat surface (7, 8) of the flange to define a thinned area (16, 20) between the two grooves to ensure the elasticity of the lip (11, 12).

REFERENCES:
patent: 1348667 (1920-08-01), Snyder
patent: 2937893 (1960-05-01), Hill et al.
patent: 2981573 (1961-04-01), Reuter
patent: 3176723 (1965-04-01), Hodgeman et al.
patent: 3264005 (1966-08-01), Bialkowski

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