Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yasuhisa Minagawa0
Date of Patent
October 2, 2018
0Patent Application Number
147902290
Date Filed
July 2, 2015
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention provides a gasket excellent in properties such as sliding properties and resistance to liquid leakage. The present invention relates to a gasket whose sliding surface includes annular projections, the gasket having polymer chains immobilized on at least part of its surface, the annular projections including a first projection that is nearest to a top face, and a bottom side projection that is farthest from the top face, the first projection and/or the bottom side projection having an annular flat portion with a width of 0.1 mm or more.
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