| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a bonded piston seal which partly connects seal made of a rubber-like elastic body to a metal ring through an adhesive material layer excellent in water resistance adhesion properties, by vulcanizing and bonding the seal made of the rubber-like elastic body with the exception of the sliding region in which the objective seal member slides to the metal ring. <P>SOLUTION: The bonded piston seal is provided with a backcoat including (a) a phenol resin and an epoxy resin, and is provided with a finish coating adhesive bond layer including (b) a phenol resin, a halogenated polymer and a metal oxide. <P>COPYRIGHT: (C)2008,JPO&INPIT |
