The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 01, 2015
Filed:
Jan. 10, 2012
Atsushi Daimon, Osaka, JP;
Kou Uemura, Osaka, JP;
Youzou Yano, Osaka, JP;
Nitto Denko Corporation, Osaka, JP;
Abstract
A ventilation unit (A) includes: a ventilation member () configured to be attached to an opening () of a housing (), the ventilation member () including a water-proof gas-permeable membrane () for covering the opening (); a sealing member () configured to seal a gap between the housing () and the ventilation member (); and an annular partition wall member (A) defining an inner space in which the ventilation member () is fitted. The partition wall member (A) is configured to keep in contact with the housing (), and blocks a clearance formed outside the sealing member () and between a peripheral portion of the ventilation member () and the housing () when the ventilation member () is attached to the opening () of the housing ().