Metal working – Method of mechanical manufacture – Heat exchanger or boiler making
Reexamination Certificate
2006-11-07
2006-11-07
Bryant, David P. (Department: 3726)
Metal working
Method of mechanical manufacture
Heat exchanger or boiler making
C029S890035, C029S890043, C029S890054, C228S262210
Reexamination Certificate
active
07131200
ABSTRACT:
A radiating appliance consisting of a plurality of heat-transfer tubes, radiators, and a heat-transfer plate is processed in a method including the following steps: position the heat-transfer tubes in grooves formed in a recess on one radiator; position the heat-transfer plate in front of the recess to locate above the heat-transfer tubes; and drive a heated flat pressure plate to press the heat-transfer plate into the recess and flatten the heat-transfer tubes, as well as melt paste tin positioned in the grooves below the heat-transfer tubes, so that the heat-transfer tubes and the radiator have increased contact area between them, and the molten paste tin firmly bonds the heat-transfer tubes, the radiator, and the heat-transfer plate to one another to form the radiating appliance.
REFERENCES:
patent: 6661660 (2003-12-01), Prasher et al.
patent: 41653 (1981-12-01), None
patent: 157370 (1985-03-01), None
Hsu Nai-Jen
Lin Hsin-Cheng
Afzali Sarang
Asia Vital Components Co. Ltd.
Birch, Stewart, Kolasch and Birch LLP
Bryant David P.
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