Device for inserting and pushing a bar into a press- piercing mill

Abstract From the Canadian patent

A device as disclosed for inserting and pushing a bar of square cross section into a press-piercing mill, the bar being disposed along a rolling and drilling axis of the mill. The device includes a first thrust means having a rectilinear direction of action. The thrust means is adapted to thrust the bar at a speed for introducing the bar into the mill. A second thrust means having a rectilinear direction of action is adapted for thrusting the bar at a speed for rolling and simultaneous drilling of the bar in the mill. The device also includes an actuator for simultaneously moving the two thrust means from a position in which the direction of action of the first thrust means coincides with …