Method of making a newly installed plumbing system renewable

Details Method of making a newly installed plumbing system renewable Method of making a newly installed plumbing system renewable

2008-03-25

2008-03-25

Fletcher, III, William Phillip (Department: 1762)

Coating processes

Interior of hollow article coating

C427S235000, C427S407100, C427S336000

Reexamination Certificate

active

11314765

ABSTRACT:
A method of treating pipes to render the inner wall of the pipes resistant to corrosion and pre-mature deterioration. For new pipes, the inner wall is cleansed with a solvent, debris removed, and the inner wall dried. The inner wall is then coated with a corrosion-resistant primer and allowed to dry. The last step is to coat the inner wall with a corrosion- and chemical-resistant topcoat. More than one coat of primer and topcoat may be applied. The pipe may be re-treated by pumping a stripper through the inner wall removing all coating followed by cleansing and re-coating as described above.

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