Pipe joints or couplings – With fluid pressure seal – With separate – encased pipe-gripping means
Patent
1979-03-05
1980-10-21
Callaghan, Thomas F.
Pipe joints or couplings
With fluid pressure seal
With separate, encased pipe-gripping means
277207A, 285231, F16L 2108
Patent
active
042290260
ABSTRACT:
The invention relates to a connector for joining pipes, particularly of metal, which comprises a socket and a pipe having a smooth end for insertion into the socket. A seal and friction ring inside the socket seals the pipe into the socket and prevents accidental withdrawal. In the present invention retaining elements are embedded in the elastomeric sealing material of which the ring is composed and are axially slidably guided as well as being freely tiltable about an annular bead on the socket.
REFERENCES:
patent: 2953398 (1960-09-01), Haugen et al.
patent: 3384392 (1968-05-01), Gilchrist
patent: 3724880 (1973-04-01), Seiler
patent: 3963298 (1976-06-01), Seiler
Callaghan Thomas F.
Eisenwerke Friedr. Wilh. Duker GmbH & Co.
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