Hose and hollow member arrangements with lip seal

Details Hose and hollow member arrangements with lip seal Hose and hollow member arrangements with lip seal

1991-07-03

1992-11-17

Reese, Randolph A.

Pipe joints or couplings

Flexible joint, rigid members

Resilient sleeve type

285110, 285235, 285363, 285231, 285226, F16L 1700

Patent

active

051637189

ABSTRACT:
A hose (1) and hollow member (2) arrangement in which the hose is fittable at its end over the hollow member. The hose (1) has an inner wall and an annular recess (3) in this wall for receiving an annular projection (10) of the hollow member, and beyond this recess (3) in the direction away from the end of the hose a lip seal (4) extending circumferentially all around the inner wall of the hose. The lip seal (4) extends away from the inner wall obliquely in the direction away from the end of the hose (1) and is disposed for engaging the end face of the hollow member (2) with a gap (9) left between opposing faces of the inner wall of the hose (1) and the lip seal (4). When assembled, a fastener (12) secured around the end portion of the hose (1) holds the hose fast against the hollow member (2). This fastener (12) is fitted at a zone of the hose (1) nearer to the end of the hose then the recess (3) so that the radial securing force does not act on the lip seal (4) which is therefore unaffected by this securing force. It is the lip seal (4) that seals against internal pressure that acts on the lip seal to reinforce the sealing action of this seal.

REFERENCES:
patent: 3087745 (1959-03-01), Rumbell
patent: 3861721 (1975-01-01), Berghofer
patent: 4726611 (1988-02-01), Sauer

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