Metal working – Method of mechanical manufacture – Heat exchanger or boiler making
Reexamination Certificate
2007-03-05
2010-02-23
Bryant, David P (Department: 3726)
Metal working
Method of mechanical manufacture
Heat exchanger or boiler making
C029S525140, C029S890051, C122S017100, C122S017200, C122S018100, C122S018300, C122S504000
Reexamination Certificate
active
07665210
ABSTRACT:
A method of manufacturing a combustion chamber for use in a water heater is provided. A skirt is formed, and an edge portion of a plate is spot welded to the skirt. The edge portion of the plate is circumferentially welded to the skirt, thereby forming a seal between the plate and the skirt.
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Doss Garrett
Gordon Michael
Lannes Eric M.
Bradford White Corporation
Bryant David P
RatnerPrestia
Taousakis Alexander P
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