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:
Dec. 04, 2007
Filed:
Aug. 26, 2005
Masako Asai, Aichi-ken, JP;
Yasushi Okada, Aichi-ken, JP;
Tatsuo Hirano, Aichi-ken, JP;
Toyoda Gosei Co., Ltd., Aichi-ken, JP;
Abstract
The airbag includes a bag-shaped circumferential wall formed of base cloths, and a lap portion. In the lap portion, a terminal portion of a downstream side base cloth, which is located in downstream of inflation gas, is superposed on a terminal portion of an upstream side base cloth, which is located in upstream of inflation gas. Then the lapping terminal portions are joined to each other at both sides thereof in a direction extending along edges of the terminal portions, thereby providing the lap portion. A communication port communicating inside and outside of the airbag is provided between the joined portions and between the terminal portions of the upstream and the downstream side base cloths. With this construction, in the course of airbag inflation, inflation gas flowing toward the downstream side base cloth from the upstream side base cloth sucks air into the airbag from outside via the communication port, and when the airbag bumps against a target object of protection halfway of inflation, inflation gas is exhausted out of the airbag via the communication port. Moreover, when the airbag is completely inflated, the communication port is closed with the terminal portions contacted with each other. The airbag of the present invention suppresses increase of internal pressure upon engaging a target object of protection halfway of inflation, as well as completing inflation swiftly.