| 摘要 |
PCT No. PCT/GB86/00702 Sec. 371 Date Jul. 14, 1987 Sec. 102(e) Date Jul. 14, 1987 PCT Filed Nov. 14, 1986 PCT Pub. No. WO87/03038 PCT Pub. Date May 21, 1987.A hollow flexible joint (10) for connecting two pipes (6, 8) in an engine exhaust system, which includes two or more tubular coupling members (12, 14) adapted for connection between the pipes (6, 8), the tubular members (12, 14) each being sealingly and pivotally engaged with another tubular member (12, 14), and two of the tubular members (12, 14) being engageable with a respective adjacent end of each of the pipes (6, 8). The joint includes three or more pairs of part-spherical mated sealing surfaces (11a, 11b, 11c), and can remain gas-tight even when one of the pipes (6, 8) articulates universally relative to the other.
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