| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a duct capable of obtaining a desired shape without increasing man-hours, reducing operation sound of a fan and suppressing excessive heating of the duct. <P>SOLUTION: The duct (1) of this embodiment is the duct (1) molded by adding a foaming agent to a thermoplastic resin, and has a rib (2) to be in a projected shape in the view from the inner side of the duct (1) and to be in a recessed shape in the view from the outer side of the duct (1). <P>COPYRIGHT: (C)2013,JPO&INPIT |
