| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a dust removal filter which is excellent in durability, can be easily handled, and can assure a desired flow rate even if a large amount of dust is caught.SOLUTION: A dust removal filter 1 includes: a filter member 2 arranged on an upstream side of a flow channel; and a holding member 3 arranged on a downstream side of the filter member to hold the filter member. The filter member includes: a filter section 24 arranging a waveform projection section 23 formed by alternately and continuously arranging a plurality of short and long projections 21, 22 at a plurality of intervals in a plane form; and a continuous frame body 27 provided on the periphery of the filter section. The holding member includes: a holding section 31 holding the frame body while covering an opening 27d of the frame body of the filter member; and a cylindrical outflow section 33 having an opening 32 bored on the holding section and erected from the holding section.</p> |
