| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a filter apparatus allowing easy replacement of dust guard filter and being able to attain reduction of cost and amount of generation of wastes. SOLUTION: In the filter 9 apparatus equipped with a duct 12 communicated with a cooling fan 11 and a dust guard filter 10 provided in a part of a duct 12, the duct 12 is provided a stuck surface part 12a for attaching the dust guard filter 10, plural acicular projection 20 are provided on an attached part 12a, and the dust guard filter 10 is fixed to the projection 20 by hooking.</p> |
