Post-manufacturing processes for submerged combustion burner

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United States of America Patent

PATENT NO 9751792
SERIAL NO

14824981

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Abstract

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A portion of a submerged combustion burner is disposed into a pressure vessel. The portion of the submerged combustion burner has a welded area that has a first microstructure defined by a first number of voids. The vessel is filled with an inert gas, pressurized, and heated. Pressurizing and heating operations are performed for a time and at a temperature and a pressure sufficient to produce a second microstructure in the welded area of the burner. The second microstructure is defined by a second number of voids less than the first number of voids.

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Patent Owner(s)

  • JOHNS MANVILLE

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Baker, John Wayne Golden, US 18 63
Madeni, Juan Carlos Littleton, US 5 7

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