Title:
VENTILATION MEMBER
Document Type and Number:
Japanese Patent JP2015186777
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a ventilation member which is suitable for maintaining a filter function even when a foreign object adheres thereto or large impact is applied thereto.SOLUTION: A ventilation member 1A includes: a first porous body 2 which ventilates in a direction perpendicular to a main surface; and a second porous body 3 which is provided so as to overlap with the first porous body 2 when viewed from the direction perpendicular to the main surface. The second porous body 3 is integrally provided with the first porous body 2 at a position such that a space 5 is secured between the first porous body 2 and the second porous body 3. The second porous body 3 is formed by a porous resin and ventilates in the direction perpendicular to the main surface. The first porous body 2 is formed by the same porous resin as the porous resin forming the second porous body 3. The first porous body 2 and the second porous body 3 are plate-like rigid bodies. The first porous body 2 and the second porous body 3 are integrally molded by injection molding.
Inventors:
YANO YOZO
Application Number:
JP2014064572A
Publication Date:
October 29, 2015
Filing Date:
March 26, 2014
Export Citation:
Assignee:
NITTO DENKO CORP
International Classes:
B01D46/10; B01D39/16; H05K5/06
Domestic Patent References:
| JP2004266211A | 2004-09-24 | |||
| JP2011150919A | 2011-08-04 | |||
| JP2008007534A | 2008-01-17 | |||
| JP2003152347A | 2003-05-23 | |||
| JP2012025160A | 2012-02-09 |
Attorney, Agent or Firm:
Koichi Kamata