In-line coating and curing a continuously moving welded tube wit

Details In-line coating and curing a continuously moving welded tube wit In-line coating and curing a continuously moving welded tube wit

1998-07-31

2000-05-16

Parker, Fred J.

Coating processes

Direct application of electrical, magnetic, wave, or...

Electrostatic charge, field, or force utilized

427195, 427202, 427318, 427486, B05D 106, B05D 302

Patent

active

060634529

ABSTRACT:
A tube product and improvement in the production of coating tubing includes hot dip galvanize zinc coating of tubing, and before solidification of the zinc coating, clear coating of the tubing with organic polymer coating. The heat of the hot dip cures the clear coating, and the clear coating preserves a consistency and reflectivity of the zinc previously unseen in finished products. In additional preferred embodiments, organic polymer coatings are applied to zinc coated and uncoated tubing, and the organic polymer coatings are applied by electrostatic powder coating.

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