Quick-disconnect inflatable seal assembly

Details Quick-disconnect inflatable seal assembly Quick-disconnect inflatable seal assembly

1987-05-22

1988-09-20

Arola, Dave W.

Pipe joints or couplings

With assembly means or feature

Particular tool-engaging means or with tool

285 97, 285107, 285108, 285109, 2851331, 285351, 285421, 285904, 277 34, F16L 1702

Patent

active

047720506

ABSTRACT:
A zero-leak cryogenic coupling includes a polymeric seal clamped to a male bayonet member with two pairs of tightening rings. The tightening rings threadably engage each other in respective pairs around tapered ends of the inflatable seal member so that a wedging action tightens the seal member about the male bayonet. Once in place, the seal may be inflated via an inflation port so that its expansion provides a pressure contact with the inside surface of a coaxial female member.

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patent: 4630648 (1986-12-01), McCord
Plastics Reference Issue, vol. 40, No. 29, Machine Design Magazine, (Dec. 12, 1968), pp. 53-58.

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