Coating apparatus – Projection or spray type – Work-supported and guided carriage
Patent
1974-09-30
1976-03-02
Stein, Mervin
Coating apparatus
Projection or spray type
Work-supported and guided carriage
118DIG10, 219 85, B05B 1306
Patent
active
039410870
ABSTRACT:
A resin coated steel pipe is produced by forming the pipe from a band using forming rollers, welding the seam, inserting a paint sprayer which coats an anti-corrosive coating on the inside wall of the pipe, applying an adhesive on the outer surface of the pipe, and applying a layer of the synthetic resin over the adhesive layer. The paint sprayer includes a gun-pipe which protrudes through a stack of ferromagnetic cores, which cores are water-cooled and are used for welding the seam.
REFERENCES:
patent: 2693782 (1954-11-01), Moore
patent: 3245824 (1966-04-01), Treat et al.
patent: 3270176 (1966-08-01), O'Neill et al.
patent: 3379853 (1968-04-01), Domizi
patent: 3406271 (1968-10-01), Cachet et al.
Gerber Eliot S.
Hawkins Steven
Stein Mervin
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