PURPOSE: To obtain the structure of a partial pressurizing pin, in which casting flash is not inserted between the partial pressurizing pin and a pin hole, operation failure of the partial pressurizing pin is not caused and the stable partial pressurization is obtd.
CONSTITUTION: In this structure for partial pressurizing pin executing the partial pressurization with the partial pressurizing pin 1 after filling up molten metal in the metallic mold, the shape of the tip part 2 of the partial pressurizing pin 1 is formed in tapered state and also, a pressing member 6 composed of guide bushes 8, 8 divided into two for pressing the outer peripheral surface 5 with a prescribed pressure in the metallic mold 3 opposite to the outer peripheral surface 5 of the tip part 2 and plural springs 9, is arranged.
INOUE MASAHIRO
UENO MITSUAKI
ITO OSAMU
ATAKA YOSHIMICHI
