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An air-bag

A technology of airbags and air supply pipes, applied in the direction of fabrics, vehicle safety arrangements, textiles, etc.

Inactive Publication Date: 2006-12-06
AUTOLIV DEV AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is obviously unfavorable where the fabric is required to remain airtight
[0007] It should be seen that the seams holding the above-mentioned air supply tube in place are under great tension, which can cause the above-mentioned "yarn pulling" or "combing" phenomenon

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Examples

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Embodiment Construction

[0034] Figure 1-4 It has already been explained, so it will not be described in detail.

[0035] Referring now to Figures 5-7, the airbag of the present invention in the form of a so-called inflatable curtain 10 is shown. The inflatable curtain 10 is formed by overlapping two layers of fabrics 11 and 12 with the same shape. The two layers of fabric 11 , 12 are interconnected by seams 13 defining inflatable areas 14 , 15 , 16 . One of these inflatable areas 14 is subdivided into inflatable chambers by seams 17 connecting the fabric layers 11 , 12 in said inflatable area 14 .

[0036] As shown in FIG. 5, the bottom edge of the inflatable curtain 10 has a protrusion 18 on one end thereof, and the protrusion 18 is connected to an anchor point in the vehicle. The other end of the bottom edge of the inflatable curtain 10 has a generally triangular extension 19 which is connectable to an anchor point in the vehicle. The top edge 20 of the inflatable curtain 10 has a plurality of...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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PUM

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Abstract

An air-bag (10) is formed from two super-imposed layers (11, 12) of fabric which define between them at least one inflatable region. A gas supply duct (22) extends into the air-bag. Apertures (24) are formed in the gas supply duct. The gas supply duct (22) is of elongate form, and is formed from a fabric having intersecting warp and and weft yarns, the warp and weft yarns being inclined at an angle of between 30 DEG and 60 DEG (preferably 45 DEG ) to the axis of the gas supply duct.

Description

technical field [0001] The present invention relates to air bags, and more particularly to air bags having an internal air supply tube connected to a gas generator, the walls of which have holes for introducing gas into discrete inflatable regions or chambers in the air bag. Background technique [0002] A known airbag has a plurality of inflatable regions or chambers to which gas is supplied from a gas generator. An example of such an airbag is the so-called "inflatable curtain" that can be installed in the roof above the door opening, and in the event of an accident, the "inflatable curtain" is deployed next to the window opening formed in the door, thereby A protective curtain is formed between the vehicle occupants and the side of the vehicle. This inflatable curtain protects occupants from injury in the event of a vehicle side impact or rollover. [0003] US-6,199,898 B discloses a safety device in which the inflatable curtain consists of an inflatable member divided ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60R21/16B60R21/232B60R21/233B60R21/2346D03D1/02
CPCB60R21/232B60R21/2346Y10T442/3179
Inventor F·沙尔庞捷
Owner AUTOLIV DEV AB