Patent ID: 7641845

Claim:
A method for manufacturing a foil decorated molding, comprising steps of: providing an injection molding device, the injection molding device comprising a male mold and a female mold, the male mold having a projecting part protruding toward the female mold, the female mold defining a cavity corresponding to the projecting part, a channel defined in the male mold, a plug resiliently attached and movable in the channel for obturating the recessed portion of the channel and is capable of opening or closing the channel automatically; transporting the foil into the injection molding device and between the male and female molds; locking the foil to the female mold to form an airproof space together with the cavity of the female; vacuuming the airproof space to suck the foil toward the female mold; clamping the male and female molds to form a molding space surround by the foil in the cavity of the female mold, projecting part and parts around the projecting part of the male mold; inputting thermal medium into the molding space through the channel to press the foil to cling to an inner surface of the cavity of the female mold; injecting molten resin into the molding space; and cooling and opening the injection molding device, the molten resin cooled forming a molding.