Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 23, 2008
Patent Application Number
11979406
Date Filed
November 2, 2007
Patent Primary Examiner
Patent 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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