FLACHROHR FÜR EINEN WÄRMETAUSCHER

摘要

PCT No. PCT/FR96/00939 Sec. 371 Date Feb. 21, 1997 Sec. 102(e) Date Feb. 21, 1997 PCT Filed Aug. 18, 1996 PCT Pub. No. WO97/01071 PCT Pub. Date Jan. 9, 1997A flat tube for a heat exchanger is disclosed. The flat tube is produced by assembling a main part made of a folded metal strip defining a flat side, two rounded ends and two side portions with two free edges, as well as a secondary part made of a metal strip forming a central portion with two flanged free edges, whereby the secondary part is sandwiched into the main part to form a multichannel tube. The tube may be used in heat exchangers for motor vehicle heating and/or air conditioning systems.