Annular gasket for static sealing for very high temperatures and

Details Annular gasket for static sealing for very high temperatures and Annular gasket for static sealing for very high temperatures and

1981-04-23

1982-11-30

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277206R, 277236, 277 26, F16J 1508

Patent

active

043613357

ABSTRACT:
A seal adapted for environments in which high temperatures are experienced and low pressure drops are met is made by coiling in plural spirals about itself a metallic work-hardened tape which has, in cross-section a shape in the form of an open V, a throat-like recess having a semicircumferential outline being formed in correspondence with the apex of the V. The terminal portions of the spirals are held together by rivets or by spot-welding. A machine is also provided to shape the seal, which comprises specially shaped roller pairs arranged in sequential order, so as to effect on the metal tape all the operations which are necessary to impart the expected final shape thereto.

REFERENCES:
patent: 2140672 (1938-12-01), Gray et al.
patent: 2259609 (1941-10-01), Boyd
patent: 2362975 (1944-11-01), Comb
patent: 3207524 (1965-09-01), Trbovich

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