Restrained pipe joint

Details Restrained pipe joint Restrained pipe joint

1990-05-02

1991-08-06

Arola, Dave W.

Pipe joints or couplings

Essential catch

Resilient ring

285 94, 285184, 285374, 285323, 285308, 29428, F16L 3900

Patent

active

050371444

ABSTRACT:
A restrained pipe joint is provided for affixing the spigot end of a first pipe into the socket end of a second pipe. The pipe joint includes a circular restraining ring and a retainer ring which includes a groove ring and a plurality of locking segments. When the retaining ring is tightened, the retaining ring is forced against the circular restraining ring, thereby engaging the locking segment teeth into the spigot end of the first pipe. The groove ring abuts the circular restraining ring which holds the spigot end of the first pipe within the socket end of the second pipe.

REFERENCES:
patent: 2538683 (1951-01-01), Guiler et al.
patent: 4186950 (1980-02-01), Billingsley et al.
patent: 4298219 (1981-11-01), Amelink
patent: 4506919 (1985-03-01), Peting
patent: 4552385 (1985-11-01), Peting
patent: 4712813 (1987-12-01), Passerell et al.
patent: 4867488 (1989-09-01), Jones

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