To obtain an intermediate product having high working degree by pushing the outer ridge of the intermediate product with a punch having a shrinkable mechanism in the radial direction in this working end along an inclining part arranged in a die.

The outer ridge 11a of a work having outward opening shape (the intermediate product) 11 is pushed with the punch 22 having the shrinkable mechanism in the radial direction in the working end 24 of the punch along the inclining part 21 arranged in the die 20. At the same time, the force is developed in the pushing direction of the outer ridge 11a along the inclining surface 21 of the die 20 by moving in the shrinking direction toward the center of die 20 on a line segment crossing at the right angle to the direction of the press. By this method, a redrawing work of a disk blank 10 can be executed with two processes of a first drawing and a second drawing.