Device for manufacturing a metal profile

Details Device for manufacturing a metal profile Device for manufacturing a metal profile

B - Operations, Transporting

21

C

B21C 23/01 (2006.01) B21C 23/00 (2006.01) B21C 29/00 (2006.01)

Patent

CA 2388416

An extrusion device for manufacturing a profile from an extrusion block (36), which is at least in part of metallic material, contains a container (10) with container bore (12) to accommodate an extrusion block (36), a stem (32), a shaping chamber and/or a shaping die (18) and a heating facility (25) arranged between the con- tainer bore (12) and the die (18). The heating facility (25) contains a heating cham- ber (22) in the form of a hollow metal tube featuring at least a first and a second heating section (22a, 22b) with heating chamber walls (26a, 26b) and means (30) for inductively heating the heating chamber walls (26a, 26b). The first heating sec- tion (22a) exhibits a larger cross-sectional diameter than the - with respect to the direction of extrusion x - second heating section (22b), forming thereby a step-like narrowing in cross-section.

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