| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a composite seal structure that has vacuum retention properties (seal performance) and corrosion resistant gaseous properties, and is durable for a long use period. <P>SOLUTION: The corrosion resistant composite seal structure includes: an elastic seal 6 that is interposed between corresponding planes 11, 12 mutually in parallel and has lip portions 13, 13 for sealing which portions form a pressure-receiving recessed groove 7; and a corrosion resistant seal 3 that has lip portions 15, 15 for sealing to which the elastic seal 6 is compressed. <P>COPYRIGHT: (C)2013,JPO&INPIT |
