Apparatus for coating pipe threads

Details Apparatus for coating pipe threads Apparatus for coating pipe threads

1988-10-14

1991-01-22

Hoag, Willard

Coating apparatus

With means to apply electrical and/or radiant energy to work...

Electrostatic and/or electromagnetic attraction or...

118308, 118411, 118423, 228 37, 228 39, 239295, B05C 102

Patent

active

049862103

ABSTRACT:
Apparatus for coating the endmost threaded section of a pipe with corrosion resistant powder coating material by rotating the pipe and spraying the section to be coated with electrostatically charged, air-entrained powder through two stationary nozzles, one of which is directed at the section to be coated, and the other of which is directed at the chamfered end of the pipe. To prevent overspray of the powder from contacting the pipe adjacent to the area to be coated, a pair of air nozzles are directed at the area of the pipe adjacent to the area to be coated.

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