Inflatable curtain air-bag

• US 20070040358A1
• Filed: 01/16/2004
• Published: 02/22/2007
• Est. Priority Date: 03/24/2003
• Status: Active Grant

• Current Assignee: Autoliv Development AB (Autoliv Incorporated)
• Original Assignee: Autoliv Development AB (Autoliv Incorporated)
• Inventors: Kismir, Altay
• Granted Patent: US 7,614,643 B2
• Time in Patent Office: Days
• US Class Current: 280/728.200
• CPC Class Codes: B60R 2021/23316 Inner seams, e.g. creating separate compartments or used as tethering means
• CPC Class Codes: B60R 2021/23542 Weaving
• CPC Class Codes: B60R 21/213 in vehicle roof frames or pillars
• CPC Class Codes: B60R 21/232 Curtain-type airbags deploying mainly in a vertical direction from their top edge

Abstract

An air-bag is disclosed which preferably takes the form of an inflatable curtain The air-bag forms at least one inflatable region (3,6) and has an upper edge (14) provided with a plurality of mounting tabs (20,21,22,23). Each mounting tab (20,21,22,23) defines an axis which is inclined inwardly toward a region above the centre of the air-bag. Preferably, each tab is inclined at an angle between 30° and 70°.

Claims

1. An air-bag, the air-bag comprising at least one inflatable region, the air bag having an upper edge provided with a plurality of mounting tabs, each of the plurality of the mounting tabs defining an axis, the axes of the plurality of the mounting tabs being inclined inwardly toward a region above the centre of the air-bag.

2. An air-bag according to claim 1 wherein the air-bag is in the form of an inflatable curtain.

3. An air-bag according to claim 1 wherein at least one of the tabs is inclined at an angle between 30°

and 80°

.

4. An air-bag according to claim 1 wherein the upper edge is provided with the tabs including a first group of the tabs positioned near the center of the air-bag and a second group of the tabs positioned outwardly from the center and the first group of the tabs, the second set of the tabs being inclined with a more acute angle than the first set of the tabs.

5. An air-bag according to claim 1 wherein each of the plurality of the tabs is formed of a woven fabric, the fabric having orthogonal warp yarns and weft yarns, the axis of the tabs making an acute angle with the orthogonal matrix of the warp and the weft yarns.

6. An air-bag according to claim 1 wherein the axis of each of the plurality of the tabs being defined by a side edge of the mounting tab.

7. An air-bag according to claim 1 wherein the plurality of the tabs being formed of a single layer of material forming the air-bag.