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发明授权
CN1803494B 气囊以及气囊装置 失效 - 权利终止

气囊以及气囊装置
摘要：
本发明提供一种划分成配置有充气机的第一室和包围该第一室的第二室的气囊，其中使该第二室提前膨胀。该气囊(10)的内部设有第一及第二内片(22A、22B)，该气囊(10)的内部被划分成第一室(1)和包围该第一室(1)的第二室(2)。第二内片(22B)上设有用于连通第1室(1)和第2室(2)的后侧开口(27、28)。第一内片(22A)上设有前侧开口(29)。后侧开口(27、28)的开口面积的总和大于前侧开口(29)的开口面积的总和。各开口(27、28、29)的开口面积的总和大于通气孔(18)的开口面积的总和。
摘要（英）：

An airbag includes a first and a second inner panel that partition the internal part of the airbag into a first chamber, and a second chamber surrounding the first chamber. Rear-side openings that allow the first chamber to communicate with the second chamber are provided in the second inner panel. Front-side openings are provided in the first inner panel. A sum of the opening areas of the rear-side openings is greater than a sum of the opening areas of the front-side openings. The sum of the opening areas of each of the rear-side openings and the front-side openings is greater than a sum of the opening areas of vent holes.

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