Housing type pipe coupling

Details Housing type pipe coupling Housing type pipe coupling

1998-07-08

2000-06-20

Nicholson, Eric K.

Pipe joints or couplings

With fluid pressure seal

Flexible lip

285367, 285373, F16L 1704

Patent

active

060768614

ABSTRACT:
Each of the circular coupling segments 20 has pipe fastening parts 24, 25. One pipe fastening part 24 has a protrusion 26 to be in contact with the side surface 3a of the circumferential groove 3 of one pipe 4 nearer to the end of the pipe 4 in one of the end sections thereof with respect to a circumferential direction, and a protrusion 27 to be in contact with the side surface 3b of the circumferential groove 3 of the pipe 4 farther from the end of the pipe 4 in the other end section thereof with respect to the circumferential direction. The other pipe fastening part 25 has a protrusion 28 to be in contact with the side surface 3b of the circumferential groove 3 of the pipe 5 farther from the end of the pipe 5 in one of the end sections thereof with respect to the circumferential direction, and a protrusion 29 to be in contact with the side surface 3a of the circumferential groove 3 of the pipe 5 nearer to the end of the pipe 5 in the other end section thereof with respect to the circumferential direction.

REFERENCES:
patent: 3756629 (1973-09-01), Gibb
patent: 5058931 (1991-10-01), Bowsher
patent: 5121946 (1992-06-01), Jardine
patent: 5246257 (1993-09-01), Kojima et al.

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