| 摘要 |
PCT No. PCT/US80/00164 Sec. 371 Date Feb. 19, 1980 Sec. 102(e) Date Feb. 19, 1980 PCT Filed Feb. 19, 1980 PCT Pub. No. WO81/02455 PCT Pub. Date Sep. 3, 1981.Sealing structure (10,110) for a sealing a first joint member (11,111) to a second joint member (12,112) across a variable space therebetween. The sealing structure includes a frustoconical Belleville spring (17,117) and an annular support spring (18,118) defining an arcuate cross section having one end (19,119) connected to the Belleville spring, and an opposite end (20,120) sealingly mounted to the first joint member (11,111). A seal element (21,121) is fixed to the Belleville spring and has a lip portion (22,122) projecting into dynamic sealing engagement with the second joint member (12).
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