Method for mass producing superimposed annular elements of a tub

Details Method for mass producing superimposed annular elements of a tub Method for mass producing superimposed annular elements of a tub

1985-12-23

1987-10-13

Rosenbaum, Mark

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

2915736, 291574, B21D 5302, B23P 1526

Patent

active

046988882

ABSTRACT:
A method for producing a collector vessel or manifold of a heat exchanger wherein the collector vessel is tubular and composed of a plurality of superimposed annular rings which are formed with recesses for receiving heat exchanger tubes of a matrix. The method comprises producing the annular rings from strips of predetermined profiled cross section by cutting the strips to predetermined length and rolling or coiling the strips and closing the rings by welding together their open ends. Thereafter a local displacement of material is achieved by rolling each of the closed rings and, in a subsequent rolling operation, in the plane of the ring, the material is deformed to produce recesses for the matrix tubes.

REFERENCES:
patent: 368614 (1887-08-01), Pratt
patent: 368615 (1887-08-01), Pratt
patent: 1293868 (1919-02-01), Murray
patent: 1337590 (1920-05-01), Cain
patent: 1420241 (1922-06-01), Cain
patent: 4597436 (1986-07-01), Hagemeister

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