Patent ID: 6705672
Filing Date: 2004-03-16
Classification: B60H,B62D

Abstract:
A vehicular air-conditioning duct structure included in a beam member, comprising:at least two beam member bodies that are divisible longitudinally with respect to, and that form, the beam member; and a material for a duct integrated on an inner surface of each of the two beam member bodies, wherein the material for the duct has a heat-insulating property; wherein at least the two beam member bodies are joined such that joining surfaces of each of the at least two beam member bodies face each other in order to join the surfaces to form a closed, tubular portion wherein: the joining surfaces of the at least two beam member bodies are surfaces of the beam member bodies; and gradually changing portions for gradually changing the closed tubular structure in a vicinity of the joining surfaces are formed adjacent the joining surfaces, and the material for the duct is compressed by the gradually changing portions.