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Patent Searching and Data


Title:
AIR FILTER INSERT
Document Type and Number:
WIPO Patent Application WO/2012/002187
Kind Code:
A1
Abstract:
The air filter insert (12) is configured by pleating a filter sheet (13). In the air filter insert (12), a plurality of folding walls (14) are formed by the pleating of the filter sheet (13). Each folding wall (14) has first and second projections (21 and 22) that are molded by embossing. The first projections (21) provided on adjacent pairs of folding walls (14 and 14) protrude so as to approach each other and the front surfaces thereof (21A and 21A) abut each other. The second projections (22) protrude in the same direction along the X-direction and do not abut each other.

Inventors:
NAGATA Masahiko (172 Ikezawa-cho, Yamatokoriyama-sh, Nara 85, 〒6391085, JP)
永田 雅彦 (〒85 奈良県大和郡山市池沢町172 ニッタ株式会社奈良工場内 Nara, 〒6391085, JP)
SANO Yoshinari (172 Ikezawa-cho, Yamatokoriyama-sh, Nara 85, 〒6391085, JP)
佐野 義哉 (〒85 奈良県大和郡山市池沢町172 ニッタ株式会社奈良工場内 Nara, 〒6391085, JP)
YANAGIMOTO Akitoshi (172 Ikezawa-cho, Yamatokoriyama-sh, Nara 85, 〒6391085, JP)
Application Number:
JP2011/064008
Publication Date:
January 05, 2012
Filing Date:
June 20, 2011
Export Citation:
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Assignee:
NITTA CORPORATION (4-26, Sakuragawa 4-chome Naniwa-ku, Osaka-sh, Osaka 22, 〒5560022, JP)
ニッタ株式会社 (〒22 大阪府大阪市浪速区桜川4丁目4番26号 Osaka, 〒5560022, JP)
NAGATA Masahiko (172 Ikezawa-cho, Yamatokoriyama-sh, Nara 85, 〒6391085, JP)
永田 雅彦 (〒85 奈良県大和郡山市池沢町172 ニッタ株式会社奈良工場内 Nara, 〒6391085, JP)
SANO Yoshinari (172 Ikezawa-cho, Yamatokoriyama-sh, Nara 85, 〒6391085, JP)
佐野 義哉 (〒85 奈良県大和郡山市池沢町172 ニッタ株式会社奈良工場内 Nara, 〒6391085, JP)
International Classes:
B01D46/52
Attorney, Agent or Firm:
MATSUURA Takashi (Fuji Bldg. #418, 2-3 Marunouchi 3-chome, Chiyoda-k, Tokyo 05, 〒1000005, JP)
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Claims: