DOOR PART REINFORCEMENT UNIT FOR VEHICLE AND MANUFACTURING METHOD OF THE SAME

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The present invention relates to a door part reinforcing unit for a vehicle, comprising : a door inner panel of a vehicle which has a first through hole through which a door hinge penetrates; a reinforcement panel attached to the inner surface of a stateroom side of the door inner panel, formed in a multi-layered structure where a plurality of composite layers are stacked, and having a first through hole and a second through together, wherein the bottom layer of the composite layers in contact with the door inner panel and the top layer of the stateroom of the composite layers include insulating fiber, and an intermediate layer of the composite layers disposed between the bottom layer and the top layer includes carbon fiber; and a door hinge bracket attached to the position of the second through hole on the top of the reinforcement panel.COPYRIGHT KIPO 2017