| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a seal member free from sticking between a seal ring and a backup ring. <P>SOLUTION: In this seal member composed of the seal ring 3 used for sealing fluid, and the backup ring 4 mounted at an inside diameter side face of the seal ring, the seal ring is composed of polytetrafluoroethylene resin, and the backup ring is composed of fluorine resin excluding polytetrafluoroethylene resin. <P>COPYRIGHT: (C)2007,JPO&INPIT |
