Watertight joint for rigid piping, in particular for the articul

Details Watertight joint for rigid piping, in particular for the articul Watertight joint for rigid piping, in particular for the articul

1986-10-20

1988-01-05

Arola, Dave W.

Pipe joints or couplings

Elbow

285185, 285910, F16L 5500

Patent

active

047171804

ABSTRACT:
The joint is formed of two parts coupled with a variable angle. The two joint parts have coupling surfaces traversed by a rotation pin disposed perpendicularly to the longitudinal direction of the joint. Respective toothed crowns of the two coupling surfaces describe predetermined variable angular positions of the two joint parts. A seal with two concentric rings is placed between said coupling surfaces.

REFERENCES:
patent: 451300 (1891-04-01), Drew
patent: 586841 (1897-07-01), Drew
patent: 1080669 (1913-12-01), Ziegler
patent: 1232473 (1917-07-01), Andersen
patent: 2423069 (1947-06-01), McElhose et al.
patent: 4543007 (1985-09-01), Quiogue

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