Pipe joints or couplings – With assembly means or feature – Particular tool-engaging means or with tool
Patent
1988-11-14
1990-01-23
Callaghan, Thomas F.
Pipe joints or couplings
With assembly means or feature
Particular tool-engaging means or with tool
285340, F16L 3700
Patent
active
048953954
ABSTRACT:
Quick connector for flexible tubes or pipes, which comprises a hollow body, equipped on the inside with a seating for an annular seal, to which body is secured a collar carrying a conical elastic ring having radial slits open towards the inner edge, the ring diverging towards the free end of the body, into which conical ring there may be inserted a flexible tube in sealing contact with the annular seal, which tube can be advanced towards the interior of the hollow body with limited elastic deformation of the conical ring and in conditions of jamming of said conical ring when the tube moves outwards, there being also present a shell projecting outwards from the body and surrounding the flexible tube and having a tapered end towards the inside, the shell being in contact with the internal edge of the slit conical ring and being adapted for preventing, when pushed inwards into the hollow body, the jamming of the conical ring on the surface of the flexible tube, thus making its withdrawal possible.
REFERENCES:
patent: 3312484 (1967-04-01), Davenport
patent: 3999783 (1976-12-01), Legris
patent: 4072328 (1978-02-01), Elliott
patent: 4288113 (1981-09-01), Saulnier
patent: 4593943 (1986-06-01), Hama et al.
Callaghan Thomas F.
Dubno Herbert
Finimpresa S.P.A.
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