Title:
WATERPROOF BREATHABLE FILTER AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2011/158408
Kind Code:
A1
Abstract:
The disclosed waterproof breathable filter (1) is provided with: a resin film (2) to which a plurality of through holes (21) are formed; and a treated layer (3) that is hydrophobic and oil repellant, and is formed on at least one surface of the two surfaces in the direction of thickness of the resin film (2) in a manner so as to have openings (31) at positions corresponding to the through holes (21). The through holes (21) have a predetermined size that is at least 0.01 µm and no greater than 10 µm, and are distributed uniformly in a manner so that the density thereof falls in a particular band within the range of 10 to 1×108 holes/mm2.
Inventors:
FURUYAMA, Satoru (1-2 Shimohozumi 1-chome, Ibaraki-sh, Osaka 80, 〒5678680, JP)
古山了 (〒80 大阪府茨木市下穂積１丁目１番２号日東電工株式会社内 Osaka, 〒5678680, JP)
NAGAI, Yozo (1-2 Shimohozumi 1-chome, Ibaraki-sh, Osaka 80, 〒5678680, JP)
古山了 (〒80 大阪府茨木市下穂積１丁目１番２号日東電工株式会社内 Osaka, 〒5678680, JP)
NAGAI, Yozo (1-2 Shimohozumi 1-chome, Ibaraki-sh, Osaka 80, 〒5678680, JP)
Application Number:
JP2011/001698
Publication Date:
December 22, 2011
Filing Date:
March 23, 2011
Export Citation:
Assignee:
NITTO DENKO CORPORATION (1-2 Shimohozumi 1-chome, Ibaraki-shi Osaka, 80, 〒5678680, JP)
日東電工株式会社 (〒80 大阪府茨木市下穂積１丁目１番２号 Osaka, 〒5678680, JP)
FURUYAMA, Satoru (1-2 Shimohozumi 1-chome, Ibaraki-sh, Osaka 80, 〒5678680, JP)
古山了 (〒80 大阪府茨木市下穂積１丁目１番２号日東電工株式会社内 Osaka, 〒5678680, JP)
日東電工株式会社 (〒80 大阪府茨木市下穂積１丁目１番２号 Osaka, 〒5678680, JP)
FURUYAMA, Satoru (1-2 Shimohozumi 1-chome, Ibaraki-sh, Osaka 80, 〒5678680, JP)
古山了 (〒80 大阪府茨木市下穂積１丁目１番２号日東電工株式会社内 Osaka, 〒5678680, JP)
International Classes:
B01D39/16; B01D46/54; B01D69/10; B01D71/48; B01D71/50; B01D71/64; B32B5/32; H05K7/20
Attorney, Agent or Firm:
KAMADA, Koichi et al. (8th Fl, UMEDA PLAZA BLDG. ANNEX4-3-25, Nishitenma,Kita-ku, Osaka-shi, Osaka 47, 〒5300047, JP)
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Claims:
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