Process and apparatus for boiler tube panel welding and...

Details Process and apparatus for boiler tube panel welding and... Process and apparatus for boiler tube panel welding and...

2006-04-18

2006-04-18

Kerns, Kevin (Department: 1725)

Metal fusion bonding

Process

Applying or distributing fused filler

C219S059100, C219S06000A, C219S061000, C029S890054

Reexamination Certificate

active

07028882

ABSTRACT:
An apparatus and process for depositing an overlay weld on a boiler tube panel comprising a plurality of tubes with adjacent tubes joined together with membranes therebetween, and then straightening the panel in response to bowing that occurs as a result of depositing the overlay weld. The apparatus generally comprises an overlay welding apparatus that deposits an overlay weld on a surface of a boiler tube panel, and a straightening apparatus for straightening the panel following deposition of the overlay weld. The straightening process entails placing the boiler tube panel between two members, and the pressing a portion of the panel therebetween.

REFERENCES:
patent: 5014901 (1991-05-01), Moran
patent: 6013890 (2000-01-01), Hulsizer
patent: 6175093 (2001-01-01), Cauthon et al.
patent: 6548783 (2003-04-01), Kilovsky et al.
patent: 2002/0139234 (2002-10-01), Inouye et al.
patent: 2003/0234241 (2003-12-01), Harth, III

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