Injection-molded article, injection molding method, and injection molding machine.

摘要

A molded article dotted with holding sections for holding optical parts has a guaranteed dimensional accuracy regarding the wall thickness of the holding sections. Pressing members (10A,10B) are arranged in a molding cavity surface of a cavity defined by a stationary mold part (1A) and a movable mold part (6), and urging members (12) urged at a fixed pressure are provided in the molding cavity surface. After a predetermined amount of resin material has been injected into the cavity, the injection gate (1D) is closed. Before closing the injection gate, however, the pressing members (10A,10B) are pressed in the direction of the interior of the cavity so as to displace the resin material in the cavity against the urging force of the urging members (12) to thereby uniformalize the resin material in the cavity.