Sealing fastener

Details Sealing fastener Sealing fastener

1996-10-29

1998-03-10

Wilson, Neill R.

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

Having separate expander means

Including sleeve and distinct tapered expander

411 61, 411542, 411182, F16B 1306, F16B 4302

Patent

active

057253439

ABSTRACT:
A sealing fastener, which expands by the insertion of preferably a screw. The fastener comprises a substantially flat and two expandable legs. The head has an upper side and a lower side, preferably separated by a gap. The fastener has further an elastic body molded at least on the lower surface of the head. A large unexpected improvement is achieved by having the elastic body also molded in the gap between the upper surface and the lower surface.

REFERENCES:
patent: 4245652 (1981-01-01), Kelly et al.
patent: 4500238 (1985-02-01), Vassiliou
patent: 4792475 (1988-12-01), Bien
patent: 4874277 (1989-10-01), Nowak et al.
patent: 5100273 (1992-03-01), Vassiliou
patent: 5314280 (1994-05-01), Gagliardi et al.
Sketch of fastener being sold presently in the marketplace.

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