Method of treating sucker rod

Details Method of treating sucker rod Method of treating sucker rod

1976-05-03

1977-08-30

Kendall, Ralph S.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427292, 427319, 427327, 427328, 427405, 427422, 427425, 427427, 166244C, E21B 1700, C23C 700

Patent

active

040455912

ABSTRACT:
A method of treating sucker rod comprising shot peening the rod to clean and harden the exterior surface thereof, preheating the rod, and coating the rod with a metal alloy by using an electric arc spray gun to provide a layer of alloy on the exterior surface thereof. The rod is subsequently cooled and then coated with a baked-on, plastic-like surface.
In one embodiment of the invention, used rod is first degreased, and following the shot peening operation the rod is subjected to an electronic test to determine the symmetry of compositon of the metal, as well as to ascertain if any flaws are present therein. The rod is then coated with metal and subsequently sprayed with plastic as in the above recited example.

REFERENCES:
patent: 2126430 (1938-08-01), Unger
patent: 2217719 (1940-10-01), Williams
patent: 2939963 (1960-06-01), Rideout
patent: 2982360 (1961-05-01), Morton et al.
patent: 3009100 (1961-11-01), Muchnick
patent: 3715790 (1973-02-01), Reinberger
patent: 3942230 (1976-03-01), Nolband
patent: 3958049 (1976-05-01), Payne

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