Safe air bag device

An airbag device and airbag technology, applied in pedestrian/occupant safety arrangement, vehicle safety arrangement, transportation and packaging, etc., can solve the problems of rising manufacturing cost, limitation of rapid gas supply, and increased quality, and achieve manufacturing cost reduction, Smooth and fast supply, light weight reduction effect

Inactive Publication Date: 2010-03-03
NIHON PLAST CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, in the above-mentioned conventional structure, that is, in the structure in which the tip end of the pipe connected to the inflator is inserted into the airbag, the use of the pipe will lead to an increase in manufacturing cost and an increase in quality, and the pressure loss (ventilation resistance) and Flow time can result in limited rapid supply of gas

Method used

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Examples

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Embodiment Construction

[0069] One embodiment of the airbag device according to the present invention will be described below with reference to the drawings.

[0070] Figure 1 to Figure 3 Among them, 1 is an airbag, and the airbag device 2 having the airbag 1 is also called a curtain airbag device, and is installed on the side upper edge of the vehicle body 3 constituting a vehicle as a storage position. 5 on top of the car. The airbag 1 is also called a curtain airbag, an airbag for side protrusion, an inflatable curtain or an airbag for head protection. The side of the passenger sitting on the seat is roughly expanded into a planar shape to protect the passenger.

[0071] Hereinafter, directions such as the front-rear direction, the direction of both sides as the vehicle width direction, and the up-and-down direction will be described on the basis of the forward direction of the vehicle body 3, and the front side direction ( figure 1 Arrow F direction shown), above ( figure 1 Arrow U direction...

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Abstract

In a curtain type safe air bag device, a gas is smoothly and rapidly supplied from an inflator to a safe air bag. The air bag (1) is slenderly folded and accommodated in a vehicle roof portion (5), then the air bag (1) is unwound to form a curtain shape. An elongated body portion (25) of the inflator (25) is accommodated in a communication road (40) for communicating a first air chamber (41) witha second air chamber (42) and arranged along the length direction of the vehicle roof portion (5). An gas port (25b) of the inflator (25) is arranged at the side of the first air chamber (41) with bigvolume. The communication road (40) is narrowed by the body portion (25a) of the inflator to control the gas flow, compared with the second air chamber (42), more gas is supplied to the first air chamber (41).

Description

technical field [0001] The present invention relates to, for example, an airbag device deployed along a side window of an automobile. Background technique [0002] Conventionally, an airbag device having an airbag that inflates and deploys after introducing gas is a so-called curtain airbag device that deploys the airbag along a window portion of a door at the side of an automobile compartment. An airbag of such an airbag device, that is, a curtain airbag is usually folded into a long and thin shape, and is installed along the roof at the upper edge of the window. When subjected to impacts such as side collision and lateral rotation (rolling), the inflator provides gas, and the curtain airbag is deployed from the upper side to the lower side along the side window to restrain and protect the occupants. [0003] The above-mentioned curtain airbag is an airbag for the front and rear seats, having: an inflatable portion for the front to protect the occupant of the front seat; a...

Claims

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Application Information

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IPC IPC(8): B60R21/213B60R21/20B60R21/231B60R21/232
Inventor 梅原寿一原田博充
Owner NIHON PLAST CO LTD
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