Sealing washer

Details Sealing washer Sealing washer

1977-04-08

1978-06-06

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

85 53, 85 1JP, 277212C, F16B 2100, A47G 300

Patent

active

040928969

ABSTRACT:
The invention provides a washer having a deformable annular skirt extending from the underside of the washer. The skirt deforms to the shape of the surface to which the washer is secured by means of a fastening device having a shank passing through the washer. The resiliency of the skirt seals the cavity between the underside of the washer and the surface from moisture. The washer is particularly suitable for use with corrugated surfaces and for retaining the swarf produced by self drilling fastening devices. A snap-on cap for the washer is also provided to seal the head of the fastening device.

REFERENCES:
patent: 1711415 (1929-04-01), Lane
patent: 3796124 (1974-03-01), Crosa
patent: 3930432 (1976-01-01), Puchy

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