Plastic coating for pipe couplings

Details Plastic coating for pipe couplings Plastic coating for pipe couplings

1990-05-01

1992-02-25

Arola, Dave W.

Pipe joints or couplings

With casing, lining or protector

285 55, 285342, 285351, 285369, F16L 1112

Patent

active

050907387

ABSTRACT:
An improved method of coating a pipe coupling with a corrosion resistant polymeric coating includes coating an entire coupling, then simultaneously forming an upstanding flange on the coupling body when, in the parting process, the body and nut are separated. The improved coupling is adapted to utilize a moisture barrier between thee nut and the flange.

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Sketches, provided by the inventor's assignee, showing Previous Coating Method, p. 1.

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