MOLDING METHOD OF RESIN MOLDED PRODUCT, RESIN MOLDED PRODUCT, IN-MOLD-COATING MOLDING METHOD AND IN-MOLD-COATED MOLDED PRODUCT

摘要

PROBLEM TO BE SOLVED: To provide a method for molding a resin molded product onto which surface the shape of a mold cavity surface is accurately transferred and which has beautiful appearance and is little in defects such as a partial thinning of the thickness due to thermal shrink and the like.;SOLUTION: The molding method of the resin molded product comprises a first step of filling a molten resin into a mold cavity and a second step of reducing the volume of the mold cavity while responding to the thermal shrink of the molten resin after the molten resin is filled into the mold cavity, and shaping the molten resin and forming the resin molded product. The mold clamping force by which the mold is clamped in the second step is 10-50% of the mold clamping force by which the mold is clamped in the first step.;COPYRIGHT: (C)2009,JPO&INPIT