Shaft packing

Details Shaft packing Shaft packing

1994-07-07

1996-08-13

Will, Thomas B.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 62, 277152, F16J 1532

Patent

active

055448950

ABSTRACT:
A shaft packing includes a casing and at least two polymeric disks. One disk forms a protective lip and the other disk forms a packing lip. The internal diameters of the disks are smaller than the external diameter of the shaft to be packed. Between the two disks is positioned an expanding ring which ensures an inversion and expanding of the packing lip in the opposite direction to the protective lip.

REFERENCES:
patent: 2177441 (1939-10-01), Pesarese
patent: 3250541 (1966-05-01), McKinven, Jr.
patent: 3941393 (1976-03-01), Bainard
patent: 4427201 (1984-01-01), Belsanti
patent: 5015001 (1991-05-01), Jay
patent: 5342065 (1994-08-01), Blanke

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