Discountinuous plane weld apparatus and method for enhancing fat

Details Discountinuous plane weld apparatus and method for enhancing fat Discountinuous plane weld apparatus and method for enhancing fat

1994-07-05

1996-10-08

Arola, Dave W.

Pipe joints or couplings

Molded joint

Interlocked

228168, 403270, F16L 1302

Patent

active

055623123

ABSTRACT:
An apparatus and method are provided for enhancing fatigue and load properties of subterranean well drill pipe immediate the area of securement of pipe sections by providing a weld in a discontinuous plane to secure pipe sections to each other, said weld having a greater cross section of welded surface and ability to distribute stresses which is less prone to fail due to rotational, tensile, and bending stresses, mid due to heavy loads and stresses arising from shock loading.

REFERENCES:
patent: 1325073 (1919-12-01), Boyd et al.
patent: 1450935 (1923-04-01), Anderson
patent: 1903852 (1933-04-01), Rollins
patent: 2216606 (1940-10-01), Taylor
patent: 2288094 (1942-06-01), Karmazin
patent: 3080179 (1963-03-01), Huntsinger
patent: 4416476 (1983-11-01), Garrett

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