Readily removable shaft seal including venting tab

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member

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Details

277 29, 277 35, 277153, F16J 1516, F16J 1532

Patent

active

044338465

ABSTRACT:
A fluid seal with sealing lips having a casing with a generally annular mounting flange portion, a second flange portion with portions thereof extending radially from the mounting portion and being subdivided into an intermediate portion and a bonding portion. At least one venting tab is formed by piercing the intermediate casing portion. The venting tab area provides a vent permitting passage of gas and vapor into and out of the sealed region. The tab area also is capable of removal or bending when engaged with a removal tool.

REFERENCES:
patent: 3116066 (1963-12-01), Koppins
patent: 3273899 (1966-09-01), Warnery
patent: 4300777 (1981-11-01), Symons

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