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:
Nov. 23, 2010
Filed:
Dec. 03, 2009
Kensaku Honda, Aichi-ken, JP;
Yuji Sato, Aichi-ken, JP;
Koji Shibayama, Aichi-ken, JP;
Atsushi Nagata, Aichi-ken, JP;
Kensaku Honda, Aichi-ken, JP;
Yuji Sato, Aichi-ken, JP;
Koji Shibayama, Aichi-ken, JP;
Atsushi Nagata, Aichi-ken, JP;
Toyoda Gosei Co., Ltd., Aichi-pref., JP;
Abstract
A check valveis formed by a pair of the valve body portions. Ends of the valve body portionsthat are close to an upper inflation portion EU are joined to a communication passage wallby an outflow-side joint portion. Each valve body portionincludes a flexible portionthat is located in the vicinity of the outflow-side joint portionand between the outflow-side joint portionand a lower inflation portion EL. The front edges of the valve body portionsare joined to the communication passage wallby a first edge joint portion. The first edge joint portionalso functions as a wall joint portionthat joins the communication passage wallsto each other. The rear ends of the valve body portionsare joined to each other by a second edge joint portion, which extends along the flowing direction of inflation gas. An auxiliary joint portionis located between the first edge joint portionand the second edge joint portion, and in the vicinity of the second edge joint portion. The auxiliary joint portionjoins the valve body portionsto each other. The auxiliary joint portionalso functions as a rigid portion, which is harder to flex than the flexible portion. The rigid portionextends along the flowing direction of the inflation gas.