Pipe joints or couplings – With strain relief – Extension of socket or sleeve
Patent
1990-08-24
1992-05-19
Arola, Dave W.
Pipe joints or couplings
With strain relief
Extension of socket or sleeve
2853022, 285417, F16L 3500
Patent
active
051141914
ABSTRACT:
A pipe coupling (100) including a coupling body (104) and a swage ring (102) for urging over the coupling body (104) in order to secure the pipes (122) together. The coupling body (104) includes a main sealing tooth (105) with an outboard isolation tooth arrangement (106). The isolation tooth arrangement (106) includes a plurality of isolation gripping teeth (108) which allows for a reducing gradient of pipe deformation in a direction toward the edge 118 of the coupling body (104) of the pipe fitting (100).
REFERENCES:
patent: 3889989 (1975-06-01), Legris
patent: 4061367 (1977-12-01), Moebius
patent: 4482174 (1984-11-01), Puri
Arola Dave W.
Lokring Corporation
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