| 摘要 |
PROBLEM TO BE SOLVED: To provide a mold which can mold a high quality product by controlling the occurrence of hesitation etc., when a molding having minute through holes is molded and the high quality molding molded by the mold. SOLUTION: In the mold for injection-molding the molding having the many through holes 2 and dummy holes 3, a thin-wall part 11 is formed toward the molding part side of the through holes 2 on the invisible surface side of the molding part and in the whole or part of the periphery of the molding part. COPYRIGHT: (C)2005,JPO&NCIPI
|
