PROBLEM TO BE SOLVED: To provide a plastic injection molding mold apparatus capable of positioning and fixing of a core plate without depending on a frictional force and preventing the core plate and the cavity plate from being broken, a method for manufacturing a plastic molded article using a mold for injection molding of a plastic, a plastic injection-molded article obtained from the plastic injection molding mold apparatus, and a clamping and fixing tool for the plastic injection molding mold apparatus.;SOLUTION: The plastic injection molding mold apparatus is characterized by that a mold clamping bush is buried by exposing its opening part on the lower face of the cavity plate, a mold clamping pin projecting from the upper face of the core plate and fitting to the mold clamping bush is planted, the projected part of the mold clamping pin is formed into a tapered column-like shape with a decreasing diameter upward, and the mold clamping bush has a tapered hole with a decreased diameter upward by an approximately equal angle of taper to the tapered shape of the projected part of the mold clamping pin.;COPYRIGHT: (C)2006,JPO&NCIPI
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