Pipe coupling

Details Pipe coupling Pipe coupling

1991-12-16

1994-05-31

Reese, Randolph A.

Pipe joints or couplings

Packed

Sleeve

285371, 285397, 405184, F16L 2102

Patent

active

053163524

ABSTRACT:
A method and apparatus for coupling pipe, and installing coupled pipe in a trenchless installation, the pipe being adapted for use as a watermain or the like. Lengths of watermain pipe are provided with a bell at each end, and connecting nipples adapted to be received within opposing bells, to effect a fluid-tight seal. As lengths of watermain are urged into a trenchless tunnel, opposing bell-end faces withstand the force being exerted on the pipe sections, so that damage is avoided and a sealed underground pipe installation is economically and quickly effected.

REFERENCES:
patent: 381869 (1888-04-01), Williams
patent: 545877 (1895-09-01), Curlett
patent: 909029 (1909-01-01), Schmidt
patent: 1810825 (1931-06-01), Furrer
patent: 3360283 (1967-12-01), Guthrie
patent: 3458219 (1969-07-01), Wesch
patent: 3476413 (1969-11-01), Coberly et al.
patent: 3967841 (1976-07-01), Kendrick et al.
patent: 4621838 (1986-11-01), Kneidel et al.
patent: 4693502 (1987-09-01), Oetiker
patent: 5129689 (1992-07-01), Newski et al.

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