To consist of with the production mannered null mold and male die

摘要

PROBLEM TO BE SOLVED: To provide a low cost mold assembly capable of adjusting the warp quantity generated in a molded article without replacing a mold itself and capable of certainly suppressing the warpage generated in the molded article after molding, and to provide a method for manufacturing the molded article using the same. ;SOLUTION: In the mold assembly 2 comprising a female mold 6 and a male mold 4 and molding a tub-shaped molded article 80 by a reactive injection molding method, a warp quantity correction mechanism 20 is provided for making at least a part of the product forming surface 10 formed to the male mold 4 movable relatively with respect to the female mold 6.;COPYRIGHT: (C)2003,JPO