Method of making a heat transfer device

Details Method of making a heat transfer device Method of making a heat transfer device

1999-08-23

2000-10-31

Tolan, Ed

Metal deforming

By extruding through orifice

With metal-deforming other than by extrusion

72302, 72377, 2989003, B21C 2300

Patent

active

061384895

ABSTRACT:
A method of producing a heat transfer device comprising a base (1) and a number of flanges (2) projecting from the base (1), the device being formed with the flanges in a first mutual relation in a first operation and the base being subjected to at least partial deformation in a second operation so that the flanges projecting from the deformed portion of the base are brought into a second mutual relation, the flanges being arranged at shorter mutual distances in the second relation than in the first relation.

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