Metal working – Method of mechanical manufacture – Heat exchanger or boiler making
Reexamination Certificate
2011-01-18
2011-01-18
Chang, Rick K (Department: 3726)
Metal working
Method of mechanical manufacture
Heat exchanger or boiler making
C029S890030, C029S890039, C029S890054, C165S164000, C165S166000, C165S167000
Reexamination Certificate
active
07870671
ABSTRACT:
Brazed double wall plate heat exchangers are manufactured so that the double walls are connected and sealed to each other around port holes of the exchanger. This is obtained by providing areas that are shaped so as to include areas not covering each other. The brazing is provided by capillary suction of brazing material from other plate areas.
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Nilsson Peter
Rissler Per
Breiner & Breiner, LLC
Chang Rick K
SWEP International AB
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