Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element with nut – washer – securing means or cap – Headed bolt or screw with threads and complementary nut
Patent
1997-11-17
1999-02-02
Wilson, Neill
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Headed fastener element with nut, washer, securing means or cap
Headed bolt or screw with threads and complementary nut
411431, 411533, 411542, F16B 3300, F16B 3714
Patent
active
058655832
ABSTRACT:
A sealing washer assembly includes a threaded fastener, a nut and a resilient member attached to the nut and washer or screw and washer. The resilient member, typically a polymer of propylene, ethylene or other suitable material, is oversized with respect to the nut. The assembly is useful for connecting one member to another via an opening in the first member, and particularly, provides a system for sealing the opening against the passage of fluid, such as air.
REFERENCES:
patent: 2353477 (1944-07-01), Koppel
patent: 3298272 (1967-01-01), Henderson
patent: 3485134 (1969-12-01), Ott
patent: 4826380 (1989-05-01), Henry
patent: 5199837 (1993-04-01), Goss
Krawczak Lawrence E.
McCormick Paul B.
Chrysler Corporation
Pasternak Thomas G.
Wilson Neill
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