MOLD MOLDING APPARATUS, MOLD, AND METHOD FOR MOLDING/TAKING OUT MOLD

摘要

PROBLEM TO BE SOLVED: To provide a mold molding apparatus which can mold a cylindrical mold molding without producing deformation/distortion in the molding and a mold. SOLUTION: In the mold which has a pin 3 and molds the cylindrical thin-wall molding 5, in the pin 3, a minute channel 32 formed in the extraction direction is formed in a specular finish surface 31. The mold molding apparatus has a cavity 1, the pin 3, a core 2, and an ejection piece 4. COPYRIGHT: (C)2005,JPO&NCIPI