Coating processes – With pretreatment of the base – Heating or drying pretreatment
Reexamination Certificate
2011-08-02
2011-08-02
Cleveland, Michael (Department: 1712)
Coating processes
With pretreatment of the base
Heating or drying pretreatment
Reexamination Certificate
active
07989028
ABSTRACT:
Metallic tube, pipe and conduit are made in a continuous process that includes a zinc galvanization stage, a first passivation stage, a second passivation stage and a third passivation stage. A colorant is added to the tube, pipe or conduit during the continuous manufacturing process, and the colorant imparts the appearance of a color, such as red. The continuous movement of the tube, pipe or conduit is not halted during normal operation of the tube, pipe or conduit manufacturing and coloring process.
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Boyce William
Florek James
Hays James
Allied Tube & Conduit Corporation
Cleveland Michael
Kacvinsky Daisak PLLC
Vetere Robert
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