High speed extrusion

B - Operations – Transporting – 21 – C

Patent

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Details

B21C 29/04 (2006.01)

Patent

CA 2578915

An apparatus (1) for extrusion, in particular for extrusion of metal, comprising an extrusion body defining a passage for material to be extruded, including a die (2) having a bearing opening (3) extending between a bearing opening entry surface and a bearing opening exit surface, and wherein cooling means (14) are arranged in the body defining the extrusion passage stream upward of the bearing opening exit surface, characterized in that the material of the body is differentiated in thermal conductivity so as to define cooling pathways.

L'invention concerne un appareil (1) pour l'extrusion, notamment pour l'extrusion de métal, comprenant un corps d'extrusion définissant un passage pour la matière à extruder, comportant une filière dotée d'une ouverture pour palier (3) s'étendant entre une surface d'entrée d'ouverture pour palier et une surface de sortie d'ouverture pour palier. Le moyen de refroidissement (14) est prévu dans le corps définissant le courant de passage d'extrusion vers le haut de la surface de sortie de l'ouverture du palier. Ledit appareil se caractérise en ce que la matière formant le corps possède une conductivité thermique différente pour définir des passages de refroidissement.

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