Method of forming a heat exchanger tube

Details Method of forming a heat exchanger tube Method of forming a heat exchanger tube

1980-09-11

1983-12-13

Rosenbaum, Mark

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

165179, 29507, 29523, B23P 1526

Patent

active

044198027

ABSTRACT:
Disclosed herein is a method for forming a heat exchanger tube comprising the steps of inserting an inner tube within an outer tube, interposing therebetween a heat conductive fin element and expanding the inner tube thereby causing frictional engagement of the inner tube, outer tube and interposed fin.

REFERENCES:
patent: 2693026 (1954-11-01), Simpelaar
patent: 2778610 (1957-01-01), Bruegger
patent: 3578075 (1971-05-01), Winter
patent: 3636607 (1972-01-01), DeMarco
patent: 3730229 (1973-05-01), D'Onofrio
patent: 3887004 (1975-06-01), Beck
patent: 3967840 (1976-07-01), McFall
patent: 4031602 (1977-06-01), Cunningham et al.

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