Injection molding manner of the resin molded article, being injection molding manner of the resin molded article which has the mold release process which the resin molded article the mold release

摘要

PROBLEM TO BE SOLVED: To provide an injection molding method for a resin molding which can smoothly and simply release the resin molding from a mold in injection molding, a transparent optical element, an injection molding machine, and a mold for the injection molding machine.;SOLUTION: The injection molding method for the resin molding includes the mold release process of releasing the resin molding from the mold 12 of the injection molding machine. A cavity insert 37 having a forming surface for forming the resin molding is set in the movable mold 12. During a mold opening operation or after mold opening, the cavity insert 37 is oscillated by an ultrasonic oscillator 71 to release the resin molding from the cavity insert 37.;COPYRIGHT: (C)2008,JPO&INPIT