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Patent Searching and Data

Document Type and Number:
WIPO Patent Application WO/2019/189568
Kind Code:
[Problem] To provide an air filter that does not degrade appearance when used. [Solution] This air filter is provided with: a first fiber layer 21 having a first color and disposed on an upstream side of an air flow; and a lipophilic second fiber layer 22 having a second color with higher brightness than the first color and disposed on a downstream side of the air flow with respect to the first fiber layer 21. The second fiber layer 22 is a main collection layer, and the first fiber layer 21 is a cover layer for shielding the second fiber layer 22. The air filter is, for example, an air filter for a ventilation fan, an air filter for a range hood, or an air filter for an air conditioner.

NAKAJIMA Tatsuki (NIPPON MUKI CO. LTD., 415, Oaza Yukisak, Yuki-shi Ibaraki 46, 〒3070046, JP)
SEKI Kazuya (NIPPON MUKI CO. LTD., 415, Oaza Yukisak, Yuki-shi Ibaraki 46, 〒3070046, JP)
HATTORI Toshiyuki (Umeda Center Building, 4-12, Nakazaki-Nishi 2-Chome, Kita-K, Osaka-Shi Osaka 23, 〒5308323, JP)
Application Number:
Publication Date:
October 03, 2019
Filing Date:
March 28, 2019
Export Citation:
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NIPPON MUKI CO., LTD. (5-1-5, Higashi-ueno Taitou-k, Tokyo 15, 〒1100015, JP)
DAIKIN INDUSTRIES, LTD. (Umeda Center Building, 4-12 Nakazaki-Nishi 2-Chome, Kita-Ku, Osaka-Sh, Osaka 23, 〒5308323, JP)
International Classes:
B01D39/14; B01D46/10; B01D46/42; F24C15/20; F24F1/0073; F24F7/06
Foreign References:
Attorney, Agent or Firm:
SHIMIZU, Yoshihiro (Asahi Seimei Otemachi Building 7F, 6-1 Otemachi 2-chome, Chiyoda-k, Tokyo 04, 〒1000004, JP)
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