| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for manufacturing a made-of-resin container and a made-of-resin container each capable of avoiding the breakage of a print protective layer due to impact, etc. without compromising the sharpness of a pattern.SOLUTION: A provided manufacturing method 1 of a made-of-resin container comprises: a primary molding step S1 of forming a transparent primary molding 6 by injection-molding, into a first mold 14, a transparent molten polypropylene resin 18; a decorative body molding step S2 of providing a decorative body 5 by blow-molding, in a shape superimposable onto the primary molding 6, a printed sheet body 12 possessing a transparent first print protective layer 11, a printed layer 10, and a second print protective layer 9; and a secondary molding step S3 of inserting, into a second mold 19, the primary molding 6 and decorative body 5 in a mutually overlaid state by contacting the primary molding 6 with the first print protective layer 11 and then injection-molding a molten colored polypropylene resin 25 from the second print protective layer 9 side of the decorative body 5 so as to form a secondary molding 7 contacted with the decorative body 5 and to integrate the primary molding 6, decorative body 5, and secondary molding 7. |
