Conduit coupling

Details Conduit coupling Conduit coupling

1996-10-11

1998-03-24

Arola, Dave W.

Pipe joints or couplings

Packed

Wedge

285369, 285382, F16L 1702

Patent

active

057304769

ABSTRACT:
For the purpose of decreasing the tightening torque necessary for a fastening nut in use for conduit coupling, the coupling assembly comprises a gripping member 40 formed as a conical spring member having a central opening formed as a waved circle, a plurality of gripping tabs formed away from each other by an equal angle such as 60.degree. along the inner periphery of the opening, each of the tabs formed as a curve having a curvature convex toward the center of the gripping member, and an end edge 44 of each tab in engagement with the periphery of a conduit with a minimum contact area therebetween.

REFERENCES:
patent: 1822056 (1931-09-01), Noble
patent: 3359021 (1967-12-01), Wurzel et al.
patent: 3545794 (1970-12-01), Wise
patent: 3653695 (1972-04-01), Dunton et al
patent: 5390969 (1995-02-01), Guest

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