Apparatus for producing heat transfer tube

Details Apparatus for producing heat transfer tube Apparatus for producing heat transfer tube

1979-03-22

1981-04-07

Briggs, William R.

Metal working

Plural diverse manufacturing apparatus including means for...

Binding or covering and cutting

291573AH, 113118A, 165184, B21F 2100, B21C 3722

Patent

active

042597714

ABSTRACT:
Apparatus for efficiently producing a wire fin tube for heat transfer which comprises fin-forming means for shaping a plurality of wires to a wavy shape, said fin-forming means including a pair of gears; means for guiding the wavy wires in an upstanding state including guide plates spaced apart a selected distance; means for feeding a revolving tube in a crossing direction, to the wavy wires so that the wires can be wound on the tube; means for controlling the operative speed relation of the fin forming means and the tube feeding means so that the wavy wires may be helically wound on the tube under a moderate tension so as to maintain the upstanding state and the same pitch as the distance of the guiding means; and means for welding the wire fins to the tube.

REFERENCES:
patent: 3397440 (1968-08-01), Dalin
patent: 3550235 (1970-12-01), Jarvis et al.
patent: 3789786 (1974-02-01), Wiedenmann
patent: 3856079 (1974-12-01), Geppelt
patent: 4079611 (1978-03-01), Osterkorn

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