Segmented transition coupling

Details Segmented transition coupling Segmented transition coupling

1988-09-29

1990-01-30

Callaghan, Thomas F.

Pipe joints or couplings

With indicator, alarm or inspection means

285112, 285367, 285373, 285420, F16L 1700

Patent

active

048969028

ABSTRACT:
Coupling segments of a segmented pipe coupling have dissimilar ends that are interfittable with ends of an identical said coupling segment in only one specific orientation of said coupling segments, and which are antagonistic to the interfitting of said ends of said coupling segments in all other positions of orientation of said coupling segments.

REFERENCES:
patent: 863887 (1907-08-01), Stuttle
patent: 3054629 (1962-09-01), Piatek
patent: 3476410 (1969-11-01), Pastva, Jr.
patent: 3664691 (1972-05-01), Nakamura
patent: 3695638 (1972-10-01), Blakeley
patent: 4373235 (1983-02-01), Korgaonkar
patent: 4438960 (1984-03-01), Carroll et al.
patent: 4611839 (1986-09-01), Rung et al.

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