| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prevent fibers of glass wool from leaking to the inside of a flexible duct at the end part of the duct, in a predetermined flexible duct using the glass wool as a heat insulating material. <P>SOLUTION: At the axial direction end part of an interior skin 10, an interior skin extension part 10a without the presence of the glass wool 20 is provided on the internal skin closer to the axial direction outer side than the axial direction end part 20a of the glass wool 20 disposed as an intermediate layer. At the interior skin extension part 10a, an exterior skin 30 is fixed to the interior skin 10 in an adhesion state directly or through a foamed heat insulating material 50 provided on the interior skin extension part 10a without interposing the glass wool 20. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
