Plastic coating process for pipe couplings

Details Plastic coating process for pipe couplings Plastic coating process for pipe couplings

1987-08-24

1989-05-09

Eley, Timothy V.

Metal working

Method of mechanical manufacture

Assembling or joining

29460, 295272, B23P 2500

Patent

active

048275964

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 the nut and the flange.

REFERENCES:
patent: 3675950 (1972-07-01), Beene
patent: 3915478 (1975-10-01), Al et al.
patent: 3944262 (1976-03-01), Stiner et al.
patent: 4066283 (1978-01-01), Struck
patent: 4296950 (1981-10-01), Chamberlin

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