Coating processes – Solid particles or fibers applied – Interior or hollow article coating
Patent
1994-07-01
1996-12-17
Aftergut, Karen
Coating processes
Solid particles or fibers applied
Interior or hollow article coating
264 79, 264131, 264133, 264135, 264270, 427231, 427239, 427284, 427377, B05D 722, B28B 1106, B32B 3112, C04B 4146
Patent
active
055851410
ABSTRACT:
Cast iron pipe and other elongated hollow articles are lined with a cementitious mortar for certain applications, such as the transmission of potable water or sewage. To improve the resistance to attack from acids and to provide a crack and void spot free cement lining, a calcium alumina cement is used to line the article. A plasticizer such as fireclay is added to the calcium alumina cement prior to its application. The cement lined article is then coated with an asphaltic based coating and then cured in a high humidity environment.
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Farkas Steven
Loving C. Gilmer
Aftergut Karen
Amsted Industries Incorporated
Brosius Edward J.
Gregorczyk F. S.
Manich Stephen J.
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