Method and apparatus for making a water-tight radiator element

Details Method and apparatus for making a water-tight radiator element Method and apparatus for making a water-tight radiator element

1983-12-02

1986-04-08

Godici, Nicholas P.

Metal fusion bonding

Process

With shaping

228 60, 2281734, 72 48, 72210, B23K 3106

Patent

active

045807159

ABSTRACT:
The open ends of a flat tube are closed by rolling together the edge portions of the wide, opposing sidewalls of the tube by means of two flanging rolls successively guided over these edge portions in opposite directions. One of the flanging rolls makes a longer pass than the other. The edge portions thus rolled closed are then welded to one another in a semi- or fully-automatic TIG process. The result is a clean, symmetrically shaped radiator element.

REFERENCES:
patent: 1173202 (1916-02-01), McKee
patent: 1939770 (1933-12-01), Enghauser
patent: 2277473 (1942-03-01), Anderson
patent: 3452424 (1969-07-01), Morris

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