Method and apparatus for making heat exchanger fins

Details Method and apparatus for making heat exchanger fins Method and apparatus for making heat exchanger fins

1995-11-07

1996-12-31

Larson, Lowell A.

Metal deforming

By use of 'flying tool' engaging moving work

With cutting

72462, 76DIG11, B21D 3701, B21D 5306

Patent

active

055883192

ABSTRACT:
A method and apparatus for forming a strip of fins with louvers comprising providing fin forming rolls comprising stacked carbide plates having rolling and cutting edges forming fins with louvers, and directing a strip of clad aluminum between an opposed pair of fin forming rolls. The carbide plates are preferably made of carbide containing tungsten, cobalt and carbon, wherein the major constituent is tungsten.

REFERENCES:
patent: 3145586 (1964-08-01), Brearley et al.
patent: 3211118 (1965-10-01), Donaldson
patent: 3214954 (1965-11-01), Rhodes et al.
patent: 3228367 (1966-01-01), Donaldson
patent: 3258832 (1966-07-01), Gerstung
patent: 3318128 (1967-05-01), Rhodes
patent: 3433044 (1969-03-01), Rhodes et al.
patent: 3998600 (1976-12-01), Wallis
patent: 4067219 (1978-01-01), Bianchi

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