Shaft seal with retractable polytetrafluoroethylene-lined sealin

Details Shaft seal with retractable polytetrafluoroethylene-lined sealin Shaft seal with retractable polytetrafluoroethylene-lined sealin

1978-12-13

1981-03-31

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277DIG6, F16J 1534

Patent

active

042589274

ABSTRACT:
A shaft seal with a polytetrafluoroethylene-lined lip having the following dimensional criteria thus providing sufficient retraction to effect positive sealing against a smaller diameter shaft section after installation and stretching over a larger diameter shaft section:

REFERENCES:
patent: 3493645 (1970-02-01), Sanderson et al.
patent: 4126317 (1978-11-01), Bainard

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