PURPOSE: To obtain a synthetic resin molded product which is easily mask painted and useful for automobile parts etc., by molding integrally an independent molded object colored differently from a molded main part, remaining a distinguishing part positioned on a surface side, so as to be put between by a synthetic resin which shapes the molded main part.
CONSTITUTION: When a synthetic resin molded article B having a distinguished part D of a letter or a pattern colored differently from a molded main part 1 on its surface is molded, a plate 2 is set at a positioning part provided at a tip part of a core mold 8 and fixed by lowering a cavity mold 9, and a molten resin is injected into a cavity space 12 through a gate 11 from a runner 10. Then, the resin flows and arrives at a through hole 6 via a concave part 7, further it fills a cavity space 12 of a contrary side and the distinguished part D composed of the plate 2 is molded integrally so as to be put between with the synthetic resin composing the molded main part 1.
YAMAZAKI MASAYUKI
NISHINO MASAHIRO
OOHASHI MAKOTO
SASAKI KAZUO
