Hingeable segmented pipe couplings

Details Hingeable segmented pipe couplings Hingeable segmented pipe couplings

1986-10-21

1987-10-27

Arola, Dave W.

Pipe joints or couplings

With fluid pressure seal

Flexible lip

285367, 285373, 285912, F16L 1704

Patent

active

047024992

ABSTRACT:
A hingeable segmented pipe coupling includes dual or plural coupling segments which are hingeable relative to each other in the absence of transverse hinge pins, at least one pair of bolting pads including arcuate surfaces which roll with respect to each other, and each of which includes a fulcrum for engagement with a headed securing member associated with those bolting pads. In preferred embodiments, the bolting faces of the bolting pads are contoured to prevent rotational movement of the coupling segments about the axis of the securing member.

REFERENCES:
patent: 2459251 (1949-01-01), Stillwagon
patent: 2752173 (1956-06-01), Krooss
patent: 3024046 (1962-03-01), Frost et al.
patent: 4408788 (1983-10-01), Beukema
patent: 4601495 (1986-07-01), Webb

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