Pipe joints or couplings – With fluid pressure seal – With separate – encased pipe-gripping means
Patent
1987-08-14
1989-05-16
Callaghan, Thomas F.
Pipe joints or couplings
With fluid pressure seal
With separate, encased pipe-gripping means
285113, 285242, 285297, 285331, 285915, F16L 3316
Patent
active
048304093
ABSTRACT:
A pipe end fitting or coupling including an elongated tubular body having a bore at its first end and a counterbore at its second end with the counterbore being formed as a plurality of frusto-conical grooves and with each of the grooves converging toward its second end. A support sleeve is mounted within the bore and extends throughout the counterbore to form an annular chamber. A cylindrical pipe may be fitted into the annular chamber to form respective chambers with each of the grooves. The respective chambers are filled with a hardenable epoxy resin to complete the end fitting connection.
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Callaghan Thomas F.
Matthews Guy E.
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