| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a seal structure in which a sliding frictional resistance against a rod 50 is reduced. <P>SOLUTION: The seal structure includes a resin-made ring 1 having a U-shaped cross section and a rubber-made elastic body 2. The elastic body 2 is installed in a recessed groove 10 of the ring 1 to reduce a pressure receiving force of an internal surface 30 of the recessed groove 10. <P>COPYRIGHT: (C)2011,JPO&INPIT |
