Heat exchanger tube having embossed ring bell and brazing ring

Details Heat exchanger tube having embossed ring bell and brazing ring Heat exchanger tube having embossed ring bell and brazing ring

F - Mech Eng,Light,Heat,Weapons

28

F

257/27, 26/92

F28F 1/10 (2006.01)

Patent

CA 1303605

Inventions HEAT EXCHANGER TUBE HAVING EMBOSSED RING BELL WITH BRAZING RING Inventors: STEPHEN B. UNRUH and DANIEL P. GAFFANEY JR. Abstract of the Disclosure A heat exchanger tube has a bell formed on one end. At the base of the bell there is embossed a ring large enough to provide the necessary holding force required for tension expansion of the tubing. A brazing ring can be emplaced in the inside of the embossed ring prior to inserting a male tube member into the bell. When the bell is brazed, capillary action between the end of the male member and the inner surface of the bell will draw the braze up into the bell.

579982

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