Inflatable curtain airbag assembly

Patent metadata

Field	Value
Publication number	US-2015367810-A1
Application number	US-201414762385-A
Country	US
Kind code	A1
Filing date	Feb 5, 2014
Priority date	Feb 5, 2013
Publication date	Dec 24, 2015
Grant date	—

Abstract

An inflatable curtain airbag assembly has a tubular rolled or folded curtain airbag, and at least one stiffening member provided at the tubular rolled or folded curtain airbag. The stiffening member is fixed by an adhesive connection, a sewing connection, a welding connection or a melting connection directly to the curtain airbag.

First claim

1 - 10 . (canceled)

11 . An inflatable curtain airbag assembly comprising:
a curtain airbag selected from a group consisting of a tubular rolled airbag and a folded airbag; and at least one stiffening member provided at the curtain airbag, the stiffening member fixed directly to the curtain airbag by a connection.

12 . The inflatable curtain airbag assembly of claim 11 , wherein the connection is selected from a group consisting of an adhesive connection, a sewing connection, a welding connection and a melting connection.

13 . The inflatable curtain airbag assembly according to claim 11 , wherein the stiffening member includes at least in one section with a height perpendicular to a length direction of the curtain airbag which is greater than a diameter of the curtain airbag.

14 . The inflatable curtain airbag assembly according to claim 13 , further comprising a wrapper attached with two side rims at the stiffening member.

15 . The inflatable curtain airbag assembly according to claim 14 , wherein the wrapper presses the curtain airbag in an oval-shaped cross section.

16 . The inflatable curtain airbag assembly according to claim 14 , wherein the stiffening member includes at least one protruding section to which the wrapper is fixed.

17 . The inflatable curtain airbag assembly according to claim 11 , wherein the stiffening member protrudes the curtain airbag at least in one protrusion, and the at least one protrusion of the stiffening member includes an attachment section for fixing the inflatable curtain airbag assembly at an interior vehicle structure.

18 . The inflatable curtain airbag assembly according to claim 17 , wherein the stiffening member is made as a molded plastic part, and comprises an integrated molded fastener.

19 . The inflatable curtain airbag assembly according to claim 17 , wherein the stiffening member includes at least two projecting fingers to which the wrapper is fixed, the at least two projecting fingers arranged in a distance to each other, and wherein the protrusion for fixing the inflatable curtain airbag assembly at an interior vehicle structure is arranged between the projecting fingers.

20 . The inflatable curtain airbag assembly according to claim 11 , wherein the stiffening member is made of a plastic tab having a thickness of at least 0.5 mm.

21 . An inflatable curtain airbag assembly comprising:
a curtain airbag selected from a group consisting of a tubular rolled airbag and a folded airbag; and at least one stiffening member provided at the curtain airbag, the stiffening member fixed directly to the curtain airbag by a connection; at least two stiffening members fixed directly to the curtain airbag by a connection, the at least two stiffening members spaced apart a distance from one another, wherein the distance is smaller than 120% of a circumference or perimeter of a cross-section of the curtain airbag.

Assignees

• Autoliv Dev

Inventors

• Gilles Garett
• Wold Dana
• Witt John F

Classifications

• B60R21/213 Primary

  in vehicle roof frames or pillars · CPC title

• B60R21/2334 Primary

  Expansion control features · CPC title

• B60R21/232

  Curtain-type airbags deploying mainly in a vertical direction from their top edge · CPC title

• B60R21/201

  Packaging straps or envelopes for inflatable members · CPC title