Restrained pipe joint

Details Restrained pipe joint Restrained pipe joint

1986-05-12

1987-04-28

Arola, Dave W.

Pipe joints or couplings

Flexible joint, rigid members

Socketed packing type

285374, 285403, F16L 2102

Patent

active

046608664

ABSTRACT:
The invention concerns pipe joints in which an improved locking segment has an outwardly extending protrusion which is adapted to abut a circumferential wall in the bell end of a pipe which telescopically receives a second pipe.

REFERENCES:
patent: 763542 (1904-06-01), Crawford et al.
patent: 1072736 (1913-09-01), Kelly
patent: 1474435 (1923-11-01), McWane
patent: 1474437 (1923-11-01), McWane
patent: 1588444 (1926-06-01), Carson
patent: 3239244 (1966-03-01), Leinfelt
patent: 3433509 (1969-03-01), Jeffery et al.
patent: 3480302 (1969-11-01), Jeffery et al.
patent: 3684320 (1972-08-01), Platzer
patent: 4540204 (1985-09-01), Battle et al.

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