Rotation shaft seal

Details Rotation shaft seal Rotation shaft seal

2007-11-02

2008-12-23

Patel, Vishal (Department: 3676)

Seal for a joint or juncture

Seal between relatively movable parts

Circumferential contact seal for other than piston

C277S564000, C277S572000

Reexamination Certificate

active

07467798

ABSTRACT:
A rotation shaft seal provided with a rubber sealing portion which contacts a surface of a rotation shaft and an outer case to which the rubber sealing portion is unitedly fixed. The outer case has an inner brim portion on an inner end portion on a sealed fluid side. The inner brim portion is covered by the rubber sealing portion. A sliding portion is disposed on an axis-orthogonal face including the inner brim portion.

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