Patent ID: 6676397
Filing Date: 2004-01-13
Classification: B29C,B60H,F24F

Abstract:
A method for manufacturing an air passage switching door, the air passage switching door including a door base member, a packing material being bonded to the door base member to be crossed with the door base member around a rotation shaft for rotating the door base member, the method comprising:a first step for placing the single packing material having a size corresponding to the door base member in a forming die; and a second step for forming the door base member and the rotation shaft by injecting a melted resin onto both side surfaces of the packing material, wherein: in the second step, the melted resin is injected onto one side area of the packing material among one side surface of the packing material, and is injected onto the other side area of the packing material among the other side surface of the packing material, to form the door base member crossed with the packing material.