Sealing element

Details Sealing element Sealing element

1979-05-04

1981-07-28

Britts, Ramon S.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Washer structure

Sealing

411544, F16B 4300, F16B 3924

Patent

active

042803900

ABSTRACT:
A sealing element is characterized by an upset metal disc having a central opening and reversely positioned annular grooves, and an annular sealing member in each groove. The sealing element as a sealing washer provides for effective sealing engagement with the head of a fastener and the surface of an article being fastened to seal the fastener opening in such article. The sealing element may also be employed as a valve seat and seal in a check valve assembly in which a biased poppet element is carried by the sealing element and is responsive to fluid pressure for controlled passage of fluid through the check valve assembly.

REFERENCES:
patent: 2983534 (1961-05-01), Heller et al.
patent: 3519279 (1970-07-01), Wagner
patent: 3606357 (1971-09-01), Yonkers
patent: 3661046 (1972-05-01), Waud et al.
patent: 3788185 (1974-01-01), Gutshall

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