Self centering seal

Details Self centering seal Self centering seal

1986-06-27

1987-10-27

Gall, Lloyd A.

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

411533, 411542, F16B 4300

Patent

active

047026570

ABSTRACT:
A self-centering seal for threaded fasteners and the like consists of a rigid, load-bearing retainer in the form of a ring having an elastomeric seal molded in place therein at the inner periphery. The seal is of tear drop shape in section having a portion which projects beyond the surfaces of the retainer, adjacent recessed portions and an inner tip portion with a relatively large radius of curvature. The diameter of the tip portion is sized to be an interference fit on the fastener shank so that the seal may be preassembled with the fastener.

REFERENCES:
patent: 2560092 (1951-07-01), La Maser
patent: 2761347 (1956-09-01), McKee
patent: 2795444 (1957-06-01), Wenzell
patent: 2983534 (1961-09-01), Heller et al.
patent: 3202033 (1965-08-01), Weidner
patent: 3259404 (1966-07-01), Papenguth
patent: 3606357 (1971-09-01), Yonkers
patent: 3726178 (1973-04-01), Dimitry

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