Method of working in situ the end of a heat exchanger tube

Details Method of working in situ the end of a heat exchanger tube Method of working in situ the end of a heat exchanger tube

1986-11-25

1988-08-09

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29406, 29523, 29727, B21D 5302

Patent

active

047618663

ABSTRACT:
This invention is directed to a method of working the free end of heat exchanger tubes, and particularly the formation of braze cups, with the heat exchanger tubes in situ relative to the heat exchanger core with the method including the step of utilizing centering tooling positioned about a tube expansion rod to assure that the braze cup is centered relative to its respective tube axis.

REFERENCES:
patent: 2675050 (1954-04-01), Downing
patent: 2736361 (1956-02-01), Kocks
patent: 3739620 (1973-06-01), Jesmore et al.
patent: 3826122 (1974-07-01), Brauninger
patent: 4164807 (1979-08-01), King, Sr.
patent: 4327567 (1982-05-01), Martin
patent: 4584765 (1986-04-01), Gray
patent: 4585751 (1986-04-01), Gray
patent: 4653305 (1987-03-01), Kanamaru et al.

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