Fixed dummy blocks for extrusion presses

Details Fixed dummy blocks for extrusion presses Fixed dummy blocks for extrusion presses

B - Operations, Transporting

21

C

205/21

B21C 33/00 (2006.01) B21C 26/00 (2006.01)

Patent

CA 1190518

A B S T R A C T An expandable fixed dummy block is provided for fixing on the end of a stem of an extrusion press. The dummy block has a longitudinally ex- tending axis of symmetry and outer wall, a base having a central cavity symmetrical about the axis symmetry, and a mandrel symmetrical about the longitudinal axis For sitting in the cavity in the base. The cavity is defined by an endless side wall sloping radially inwardly away from the outer wall to a bottom and the mandrel has a face and side wall sloping radially inwardly from the edge of the mandrel to a rear seat. The angle of the side wall defining the cavity to the axis of symmetry is less than the angle of the side wall of the mandrel to the axis of symmetry.

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