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公开(公告)号：US20190078216A1
公开(公告)日：2019-03-14
申请号：US16188468
申请日：2018-11-13
申请人： NOK CORPORATION
发明人： Norihiro HAMADA , Yutaka KODA , Kiyohiro SUZUKI , Nan YU
摘要： The present disclosure provides a method for preventing corrosion capable of sufficiently protecting a surface of an aluminum-based member (in particular, a contact surface with a gasket) from corrosion, particularly when the surface of the aluminum-based member is sealed by the gasket. The method for preventing corrosion of a surface of an aluminum-based member constituting a structure that sandwiches the gasket together with another member in a press contact state, wherein a surfactant is made to adhere to the surface of the aluminum-based member.
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公开(公告)号：US20200270414A1
公开(公告)日：2020-08-27
申请号：US16872670
申请日：2020-05-12
申请人： NOK CORPORATION
发明人： Akiko KOGA , Norihiro HAMADA , Taisuke MATSUDA , Tetsushi KIJIMA
摘要： A sealing member includes: a rubber base material; and a coating provided on the rubber base material and having a melting point of 50° C. or higher, wherein the coating contains a polymer containing an acrylic acid ester containing a perfluoroalkyl group or a methacrylic acid ester containing a perfluoroalkyl group, as a monomer.
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公开(公告)号：US20190049016A1
公开(公告)日：2019-02-14
申请号：US16159898
申请日：2018-10-15
申请人： NOK CORPORATION
发明人： Norihiro HAMADA , Yutaka KODA , Kiyohiro SUZUKI , Nan YU
IPC分类号： F16J15/10
摘要： The present disclosure provides a gasket for corrosion prevention, which can exhibit an excellent corrosion protection performance over a long period of time, without changing rubber characteristics of a rubber elastic body itself.The gasket for corrosion prevention includes a rubber elastic body and a surface active agent, and the surface active agent exists at least in an inner part of the rubber elastic body, in an impregnated state in which the surface active agent can exude to a surface of the rubber elastic body.
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