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Injection molding metal mold and shaped article

Image Number 3 for United States Patent #8133047.

An injection-molding die including: a fixed die; a movable die; a cavity defined by the fixed die and the movable die; and a gate for injecting a melt resin into the cavity. The cavity includes: a flow-dividing structure that divides a flow of the melt resin injected into the cavity into a plurality of resin flows; and a flow-advancing area in which the resin flows generated by the flow-dividing structure are merged together. The flow-advancing area is formed thicker than a flow-hesitating area of the flow-advancing area in the cavity.

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