Pipe string connection for high load operation

Details Pipe string connection for high load operation Pipe string connection for high load operation

1977-10-25

1979-12-04

Arola, Dave W.

Pipe joints or couplings

Elbow

Serially connected, adjustable

285281, F16L 4300

Patent

active

041768647

ABSTRACT:
An improved articulated pipe coupling for connecting a stationary pipe connection to a movable pipe connection is disclosed. The pipe coupling consists of two articulated pipes which are joined together and to the pipe connections by three interchangeable ball pipe joints. These pipe joints permit the articulated pipes to rotate relative to one another. The improvement to the pipe coupling consists of a resilient tension member connected between the uppermost pipe joint and the midpoint of the upper articulated Z-shaped pipe to apply a force to the upper pipe joint for all positions of the pipe coupling. This applied force has a component which acts on the upper pipe joint in a direction opposing the weight applied to the upper joint by the weight of the pipe coupling to relieve the weight loading thereon.

REFERENCES:
patent: 1870021 (1932-08-01), Phillips
patent: 3891004 (1975-06-01), Knight

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