Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 10, 2010
Patent Application Number
11065089
Date Filed
February 25, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
A gasket material contains a steel plate and a foamed rubber layer disposed on both sides or one side of the steel plate. The foamed rubber layer is provided by a process including foaming a pre-foamed layer containing a pre-foamed composition. The pre-foamed layer has a thickness of 15 to 50 .mu.m, and the pre-foamed composition has a foaming factor of 2 to 4.
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