| 摘要 |
PROBLEM TO BE SOLVED: To provide a sealing device excellent in the gas shutoff performance and easiness in the mounting operation. SOLUTION: The sealing device is equipped with a rubber-like resilient member continuing over the circumference of a ring-shaped groove and a resin member having a high gas shutoff performance covering the sides of the resilient member and having a cut part partially cut on the circumference following the ring-shaped groove. This precludes a permeative leak and a gap leak and allows easy mounting owing to its good elongation property. COPYRIGHT: (C)2004,JPO
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