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Airbag

An airbag and gas technology, applied in vehicle safety arrangement, pedestrian/passenger safety arrangement, bicycle accessories, etc., can solve the problems of gas inflow limitation, cost increase, slowness, etc., and achieve the effect of simple structure balance

Active Publication Date: 2019-12-03
NIHON PLAST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The momentum of the gas introduced near the gas introduction part is strong, so the flow of gas upward is strong, and if only the gas flow path to the left and right is used, the inflow of gas to the left and right is limited
In addition, when the sleeve is used to guide the gas in the left and right directions, the introduction of gas in the left and right directions is carried out quickly, while the inflow of gas in the upward direction becomes slow. Unfolding, need additional structure, etc. and increase the manufacturing cost

Method used

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Embodiment Construction

[0028] Hereinafter, a first embodiment of the present invention will be described with reference to the drawings.

[0029] exist image 3 In , symbol 10 represents an airbag. The airbag device 11 including the airbag 10 is a head protection airbag device that protects the head A of an occupant of a bicycle or the like, which is a moving body. In the present embodiment, the airbag device 11 is, for example, an airbag device for motorcycles that is worn around the neck of the occupant. In addition, in the following, the front-rear direction (the direction of arrow FR and the direction of arrow RR), the direction of left and right sides ( figure 1 The indicated arrow L direction and arrow R direction) and the up and down directions (arrow U direction and arrow D direction) are respectively described based on the state where the occupant wears the airbag device 11 .

[0030] Moreover, this airbag device 11 can also be called an airbag module, so in addition to the above-mentio...

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Abstract

The invention provides an airbag which can deploy an airbag body part with good structural balance. The airbag is provided with a bag-shaped airbag body (12), and the airbag body (12) is provided with: a gas introduction unit (15) into which gas is introduced; a plurality of gas chambers (19) that expand by introducing gas from the gas introduction unit (15); and a gas guide part (20) that guidesthe gas introduced from the gas introduction part (15) to the gas chambers (19). The gas guide part (20) is provided with: a first gas guide section (27) that guides gas in a first direction (X) alongthe deployment direction of the airbag body (12); and a plurality of second gas guide parts (28) which are positioned in the vicinity of the end parts (27b) of the first gas guide section (27), respectively, and which branch the gas in a second direction (Y) intersecting the first direction (X).

Description

technical field [0001] The present invention relates to an airbag for protecting the head of an occupant. Background technique [0002] Conventionally, with regard to an airbag device provided with an airbag that introduces gas and inflates and deploys it, there has been disclosed one that covers the head of an occupant of a motorcycle such as a bicycle to protect the head, or that covers and sits on the seat of a car. A head protection airbag device that protects the head of the occupant. For example, an airbag main body used in such an airbag device is provided with a plurality of elongated air cells, and these air cells are arranged in parallel. Furthermore, the airbag main body is accommodated in a folded state and inflated and deployed by introducing gas from the vicinity of the occipital region to cover the entire front region including both sides of the occipital region from the occipital region. [0003] In order to divert the gas introduced into the interior from ...

Claims

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Application Information

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IPC IPC(8): B62J99/00B60R21/207B60R21/231A42B3/06
CPCB60R21/207B60R21/231A42B3/066A42B3/069B60R2021/2074A42B3/0486A41D13/018
Inventor 桥本和茂
Owner NIHON PLAST CO LTD
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