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Side air bag device

一种侧气囊、气囊的技术，应用在运输和包装、行人/乘员安全布置、车辆安全安排等方向，能够解决侧气囊制造工时增加、制造成本升高等问题

Inactive Publication Date: 2012-08-22
JOYSON SAFETY SYST JAPAN KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In such conventional side airbags 1A, 1B, due to the pressure of the high-temperature and high-pressure gas during inflation, relatively large stresses are generated locally near the seams 5, 9 of the airbag panels 2, 3, 8, so it is necessary to install them. To increase the strength of the airbag panels 2, 3, 8 near the seams 5, 9 or to improve the heat resistance of the reinforcing unit, the manufacturing man-hours of the side airbag increase and the manufacturing cost increases.

Method used

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  • Side air bag device
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Examples

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Embodiment Construction

[0054] Such as Figure 16 As shown, a seat 14 having a seat cushion 12 and a seat back 13 is provided in a vehicle. The side airbag device 15 is provided such that the side airbag 10 is inflated between an occupant seated on the seat 14 and a door or a pillar on the side of the seat 14 . In this embodiment, the side airbag device 15 is provided on the side surface of the seat back 13 , and the side air bag 10 is inflated forward from the side edge of the seat back 13 by gas from the inflator 11 .

[0055] figure 1 It is an elevational view of the side airbag 10 viewed from the vehicle interior. The side airbag 10 includes an outer bag 16 and an inner bag 17 inside the outer bag 16 . Below, refer to Figure 5 to Figure 10 A method of sewing the side airbag 10 will be described.

[0056] Outer air bag 16 is by will Figure 5 The airbag sheet (hereinafter, sometimes referred to as outer sheet) 20 for the outer airbag shown is folded in half and the peripheral portion is se...

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PUM

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Abstract

Provided is a side air bag device such that locally high stress is prevented from being generated at the sewn portion between panels by high-temperature, high-pressure gas. An inner panel (30) is folded into two, and the upper sides thereof are attached together by a seam (40) so as to form an inner bag (17). This inner bag (17) is placed on top of an outer panel (20), the outer panel (20) is folded into two, and the peripheral sections thereof are attached together by a seam (41). An inflator (11) equipped with a distributor (50) is inserted into the inner bag (17) through openings (26, 36) and a gas jetting section (11b) is disposed in the immediate vicinity of a communication opening (18).

Description

technical field [0001] The present invention relates to a side airbag device for restraining an occupant of an automobile or the like during a side collision or a rollover, and more particularly to a side airbag device having an inner bag arranged inside an outer bag. Background technique [0002] As is well known, a side airbag device uses a gas generator to inflate a side airbag (hereinafter, simply referred to as an airbag) in the event of a side collision or rollover of a vehicle, and the inflated airbag blocks the body of the occupant. [0003] Among the side airbags, the lower portion of the side airbag which is in contact with the occupant's waist is inflated with a higher internal pressure than the upper portion (for example, Patent Documents 1 to 3 below). [0004] As a structure for dividing the inside of the side airbag into a lower part and an upper part, Figure 17 and Figure 18 The structures shown are well known. Figure 17 The side airbag 1A is formed by se...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60R21/207B60R21/231B60R21/233B60R21/237
CPCB60R21/207B60R21/2171B60R21/23138B60R21/233B60R21/237B60R2021/23123B60R2021/23316B60R2021/23332B60R2021/2612
Inventor 杉本真一杉本大辅
Owner JOYSON SAFETY SYST JAPAN KK
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