| 摘要 |
PCT No. PCT/GB93/00170 Sec. 371 Date Sep. 1, 1994 Sec. 102(e) Date Sep. 1, 1994 PCT Filed Jan. 27, 1993 PCT Pub. No. WO93/15342 PCT Pub. Date Aug. 5, 1993A seal for a gas isolator comprises a cantilever leaf spring (1) attached to a fixed frame or a movable member (2) of the isolator, and a bias spring (3) acting on the leaf spring, and a bar (4) disposed below the seal for clamping and supporting the latter, characterized by at least one additional damping element which will usually comprise a further leaf spring (7), and characterized in that the clamping/support bar (4) is of reduced width.
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