| 摘要 |
PROBLEM TO BE SOLVED: To provide a mold for molding a resin, constituted so as to suppress the occurrence of wrinkles in a film for use in molding the resin, and a resin molding method. SOLUTION: The mold for molding the resin is equipped with a lower mold 1, the upper mold 2 opposed thereto, the film 3 provided between both molds under tension, the cavity 7 provided to the upper mold 2, the protruded parts 11 provided on the side of a feed-out roll 8 in the lower mold 1, the recessed parts 13 provided in the upper mold 2 so as to be opposed to the protruded parts 11 and the edge parts 14 with blades partially provided to the ridgelines of the protruded parts 11 and the recessed parts 13. Notches 16 are formed to the film 3 by fitting the protruded parts 11 and the recessed parts 13 at the time of mold clamping. By this constitution, the notches are formed so as to hold the region corresponding to the molding of the resin performed hereinafter when the molds 1 and 2 are clamped after the molding of the resin, mold opening and the feed of the film are successively performed. Accordingly, the tension applied to the film is uniformized not only to eliminate produced wrinkles 15 but also suppress the occurrence of new wrinkles 15. COPYRIGHT: (C)2005,JPO&NCIPI |
