| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a ventilation member which is usable for the casings of automobile components such as lamps, motors, sensors, switches, ECUs, gear boxes, and the like and the ventilation membrane of which does not have a tendency to deformation. <P>SOLUTION: This ventilation member 10 includes a plate-like first metal body 4 having a first through-hole 5 for ventilation, the ventilation membrane 2 which has a first main surface 2p and a second main surface 2q and which is disposed on the first metal body 4 so as to cover the first through-hole 5 by the first main surface 2p, a second plate-like metal body 6 which has a second through-hole 7 for ventilation that is separated from the first through-hole by the ventilation diaphragm 2 and which is disposed on the second main surface 2q side of the ventilation membrane 2 so that a ventilation is allowed between the first through-hole 5 and the second through-hole 7 through the ventilation membrane 2, and a joint part 12 which includes a structure in which the projection 9 of the second metal body 6 is fitted into the recess 8 of the first metal body 4 and which joins the first metal body 4 and the second metal body 6 to each other while the ventilation membrane 2 is held between the first metal body 4 and the second metal body 6. <P>COPYRIGHT: (C)2011,JPO&INPIT |
