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Patent Searching and Data


Title:
VENTILATION MEMBER
Document Type and Number:
WIPO Patent Application WO/2007/023842
Kind Code:
A1
Abstract:
A ventilation member (100) is provided with a cylindrical part (11), a ventilation filter (19) and a cover part (31). In a mounted state where the cylindrical member (11) is fitted in the cover part (31), spaces functioning as ventilation paths (AR2, AR3) are formed between a bottom section (35) of the cover part (31) and the ventilation filter (19) and between a side wall section (39) of the cover part (31) and a body section (17) of the cylindrical part (11). An opening area (S2) of a filter opening section (15) in an in-plane direction (WL) vertical to the thickness direction of the ventilation filter (19) is larger than an opening area (S1) of a connecting opening section (13) in the in-plane direction (WL).

Inventors:
FURUYAMA SATORU (JP)
YANAGI TOSHIKI (JP)
Application Number:
PCT/JP2006/316473
Publication Date:
March 01, 2007
Filing Date:
August 23, 2006
Export Citation:
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Assignee:
NITTO DENKO CORP (JP)
FURUYAMA SATORU (JP)
YANAGI TOSHIKI (JP)
International Classes:
F21V31/03; F21S8/10
Foreign References:
JPS609522U1985-01-23
JP2001143524A2001-05-25
JPS4124461Y1
JPH1085536A1998-04-07
JP2001143524A2001-05-25
Other References:
See also references of EP 1939523A4
Attorney, Agent or Firm:
KAMADA, Koichi et al. (TOMOE MARION BLDG. 4-3-1, Nishitenma, Kita-ku, Osaka-sh, Osaka 47, JP)
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