Patent ID: 6523805
Filing Date: 2003-02-25
Classification: B29C,B60H,F24F

Abstract:
An air passage switching door for opening and closing an air passage, comprising:a door base member; a rotation shaft disposed approximately at a center portion of the door base member to partition the door base member into first and second plate portions; and a single packing material having a size approximately corresponding to a plate surface of the door base member, wherein: the door base member is disposed integrally with the rotation shaft to be rotatable around the rotation shaft; and the door base member and the packing material are disposed to be crossed with each other around the rotation shaft in such a manner that the packing material is bonded onto both one side surface of the first plate portion of the door base member, and onto one side surface of the second plate portion, opposite to the one side surface of the first plate portion.