METHOD OF MANUFACTURING A TUBE SERVING TO CONVEY A FLUID OF A HEAT EXCHANGER, AND TUBE OBTAINED BY MEANS OF SAID METHOD

摘要

The invention relates to a method of manufacturing a tube (1). According to the invention, the method consists in carrying out the following steps: a) cutting a metal strip (2) from a spool to a length coinciding with the length (L) of the tube (1), the width of the spool coinciding with the width (A) of the development of the tube (1); b) forming by a stamping process the radii (3) corresponding to the rounded walls of small width; c) folding the strip (2) without closing its free edges (4); d) placing a metal filling material in the internal faces of the tube (1); e) placing disturbing means (5) inside the tube (1); f) closing the tube (1) by its free edges (4); and g) welding the tube (1). Application in particular to the automotive field.