| 摘要 |
PROBLEM TO BE SOLVED: To provide a rubber member which keeps rubbers different in destruction strength and rigidity adjacent to each other so that an interface is present and to enhance the destruction level and adhesion level of the rubber member which enables one rubber to be high in destruction strength but low in rigidity as compared with the other rubber. SOLUTION: In the rubber member wherein rubbers different in both destruction strength and rigidity are adjacent to each other so that the interface is present, one rubber is high in destruction strength but low in rigidity as compared with the other rubber and the minimum value of rigidity is present within 3 mm from the interface. Preferably, the minimum value of rigidity is present on the side of the rubber low in rigidity of the rubbers. COPYRIGHT: (C)2008,JPO&INPIT
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