Process for the manufacture of heat-exchanger elements of strip-

Details Process for the manufacture of heat-exchanger elements of strip- Process for the manufacture of heat-exchanger elements of strip-

1984-12-31

1986-07-22

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

291573R, 165170, 228118, 228157, 228183, B21D 5300, B21D 5302, B23P 1526

Patent

active

046010890

ABSTRACT:
In a finned heat exchanger, preferably of aluminum, the feed of the fins (1) are secured to tubular passages (3, 3a, 3b) formed from plates (2) that have been rolled together and then expanded. The bond between the fins (1) and the plates (2) may be an adhesive bond, as by welding or a cohesive bond, as by tight pressing together.

REFERENCES:
patent: 2195259 (1940-03-01), Ramsaur
patent: 2657018 (1953-10-01), Simpelaar
patent: 3205560 (1965-09-01), Loehlein
patent: 3205563 (1965-09-01), Pauls et al.
patent: 3712372 (1973-01-01), Tranel
patent: 4304821 (1981-12-01), Hayase et al.

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