Method of manufacturing a heat exchanger and plate assembly

Details Method of manufacturing a heat exchanger and plate assembly Method of manufacturing a heat exchanger and plate assembly

1981-12-11

1985-10-22

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29507, 291573C, 291574, 126119, 285 47, 2853824, 285222, 165178, B23P 1526, B21D 3906, F24H 914

Patent

active

045479437

ABSTRACT:
A plate assembly is secured to a heat exchanger unit for a hot air furnace at each of one or more apertures in the unit by expanding a flange extending around an aperture on the plate within the aperture in the unit to cause such flange to conform to the exact shape of the aperture in the unit and form a leak-proof joint between the heat exchanger unit and plate assembly.

REFERENCES:
patent: 167339 (1875-08-01), Jerrold
patent: 683670 (1901-10-01), Tinkham
patent: 737494 (1903-08-01), Sanborn
patent: 1005760 (1911-10-01), Workman
patent: 1406875 (1922-02-01), Kreutzberg
patent: 2164629 (1939-07-01), Sibley
patent: 2401502 (1946-06-01), Olds
patent: 2464506 (1949-03-01), Hirschfield
patent: 2923349 (1960-02-01), Marble
patent: 3696862 (1972-10-01), Van Dijk
patent: 3908629 (1975-09-01), Wiese
patent: 3940837 (1976-03-01), Wiese
patent: 4233726 (1980-11-01), Williams
patent: 4245960 (1981-01-01), Matthews
patent: 4369569 (1983-01-01), Armstrong, Jr.
patent: 4400965 (1983-08-01), Schey
"The Soldering of Sheet-Metal Heat Exchangers", Report of Symposium, Apr. 30, 1965, published by Tin Research Institute, Freser Rd., Greenford, Middlesex.

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