TWO-COLOR MOLD METHOD FOR FRAME

摘要

PROBLEM TO BE SOLVED: To prevent the generation of defects such as sink marks, deformation and the like on thick-walls sections formed on a part of a frame. SOLUTION: Part 14 formed by dividing thick-wall sections 3 in the thickness direction are formed of first resin, and then remaining sections 22 of the thick- wall section 3 are molded of second resin. The wall thickness of the part 14 and the remaining sections 22 of the thick-wall section 3 can be formed into equivalent to those of other sections in general to prevent the generation of defects such as sink marks, deformation and the like respectively and also prevent the defects for the whole of the thick-wall section 3.