Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1976-06-07
1980-02-05
Crane, Daniel C.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
291573B, 228110, 228183, 228262, 228263, 62515, 165144, B23K 106, B23K 108
Patent
active
041864743
ABSTRACT:
The copper inlet and outlet tube arrangements for an essentially all aluminum coil comprised of aluminum fins, hairpin tubes, and return bends, are ultrasonically soldered to open ends of the hairpin tubes at the same time as the return bends are soldered to the hairpin tubes in an ultrasonic soldering bath; with any bonds of the copper inlet and outlet tube arrangements, such as connections to an expansion device and a connection to a suction header being located at an elevation above the solder bath to preclude contamination of the bath from the bonds.
REFERENCES:
patent: 2660412 (1953-11-01), Sandberg
patent: 3752381 (1973-08-01), Watson, Jr.
patent: 3760481 (1973-09-01), Greever
patent: 3831263 (1974-08-01), Dzierski
patent: 3833986 (1974-09-01), De Cicco
patent: 3905789 (1975-09-01), Carpenter
patent: 3920176 (1975-11-01), Becker et al.
patent: 3942705 (1976-03-01), Barbay
patent: 3985280 (1976-10-01), Yamaji et al.
patent: 3989179 (1976-11-01), Antonevich
patent: 3991933 (1976-11-01), Antonevich
Arenz E. C.
Crane Daniel C.
Westinghouse Electric Corp.
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