Micro-channel tubes and apparatus and method for forming...

B - Operations – Transporting – 21 – C

Patent

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B21C 23/08 (2006.01) B21C 23/21 (2006.01) B21C 25/02 (2006.01) B21C 25/04 (2006.01) B21C 27/00 (2006.01) B21C 37/15 (2006.01)

Patent

CA 2672098

An apparatus and method are provided for extruding a micro-channel tube (402) from a non-aluminum metal or alloy such as copper. The micro-channel tube is formed by simultaneously extruding two rectangular shaped billets (404; 406) to form a top portion of the micro-channel tube and a bottom portion of the micro-channel tube in parallel. The top and bottom portions are then joined during the extrusion process (e.g., within a die assembly) to form the micro- channel tube (402).

L'invention concerne un appareil et un procédé pour extruder un tube à microcanaux (402) à partir d'un métal qui n'est pas de l'aluminium ni un alliage comme le cuivre. Le tube à microcanaux est formé en extrudant simultanément deux billettes de forme rectangulaire (404 ; 406) pour former une partie supérieure du tube à microcanaux et une partie inférieure du tube à microcanaux en parallèle. La partie supérieure et la partie inférieure sont ensuite reliées pendant le processus d'extrusion (par exemple dans un ensemble filière) pour former le tube à microcanaux (402).

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