Screw seal

Details Screw seal Screw seal

1988-06-06

1990-08-21

Shoap, Allan N.

Pipe joints or couplings

Particular interface

277236, 285363, 285917, F16J 1508, F16L 1708

Patent

active

049500023

ABSTRACT:
The invention concerns a sealing connection, based on a flat gasket of rectangular cross section, for the static sealing of construction elements. The shapes of the sealing surfaces according to the invention lead to a disc-spring-like bending of the gasket, superposed by a compressing deformation, by which an outstanding tightness even at lowest pressing forces is guaranteed. With that the application spectrum reaches from ultra high vacuum to high pressure, and from cryogenic to high temperatures.

REFERENCES:
patent: 404284 (1889-05-01), Johnson
patent: 1437646 (1922-12-01), Girard
patent: 1799834 (1931-04-01), Waterman
patent: 1957605 (1934-05-01), Lamont
patent: 2356901 (1944-08-01), Wackman
patent: 2766085 (1956-10-01), Muller
patent: 2795444 (1957-06-01), Nenzell
patent: 2992840 (1961-07-01), Reynolds et al.
patent: 3167320 (1965-01-01), Kyle
patent: 3208758 (1965-09-01), Carlson et al.
patent: 3700266 (1972-10-01), Glehn

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