Apparatus and process for manufacturing finned tubes

Details Apparatus and process for manufacturing finned tubes Apparatus and process for manufacturing finned tubes

1979-01-26

1982-10-12

Larson, Lowell A.

Metal working

Means to assemble or disassemble

Heat exchanger

291573AH, 226112, B21C 3726

Patent

active

043531628

ABSTRACT:
Apparatus and process for manufacturing a finned tube, said apparatus comprising a tube feed assembly which has absolute control over the rotational speed of the bare tube being processed as well as the linear feed rate thereof, a grooved roller assembly (when forming an applied fin "G" tube) to materially improve the material flow distribution of the tube during groove formation, a fin forming assembly which deforms the finning material to permit the use of thinner finning material and which compensates for fluctuations between feed rates of the finning material and rotational speed of the tube or presentation rate of the grooved tube to the deforming finning material during fin swageing, and a fin swageing assembly.

REFERENCES:
patent: 2626452 (1953-01-01), Gridley
patent: 2956335 (1960-10-01), Matheny et al.
patent: 3247696 (1966-04-01), Stikeleather
patent: 3568288 (1971-03-01), Nihlen
patent: 3745801 (1973-07-01), Kallfelz et al.
patent: 3819073 (1974-06-01), Asselborn et al.
patent: 3876488 (1975-04-01), Uemura et al.

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