Airbag with tie panel

• US 20030218325A1
• Filed: 04/24/2003
• Published: 11/27/2003
• Est. Priority Date: 05/22/2002
• Status: Active Grant

• Current Assignee: Joyson Safety Systems Japan K.K.
• Original Assignee: Takata Corporation (Ningbo Junsheng Investment Group Co., Ltd.)
• Inventors: Hasebe, Masahiro, Narimoto, Yukitoshi
• Granted Patent: US 7,360,790 B2
• Time in Patent Office: Days
• US Class Current: 280/743.2
• CPC Class Codes: B60R 2021/23107 the bag being integrated in a multi-bag system
• CPC Class Codes: B60R 2021/23386 External tether means
• CPC Class Codes: B60R 21/233 comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other B60R21/232 takes precedence
• CPC Class Codes: B60R 21/2338 Tethers
• CPC Class Codes: B60R 21/2342 Tear seams

Abstract

An airbag for protecting an occupant in a vehicle includes a left half airbag to be inflated toward a front left side of the occupant; a right half airbag to be inflated toward a front right side of the occupant; and at least one tie panel for connecting the left and right half airbag. The left and right half airbags contact with each other when the airbag is inflated.

Claims

1. An airbag for protecting an occupant in a vehicle, comprising;

a left half airbag,

a right half airbag arranged at a right side relative to the left half airbag, said right half airbag contacting the left half airbag when the left and right half airbags are inflated, and

at least one tie panel connecting the left and right half airbags.

2. An airbag according to claim 1, wherein said left and right half airbags have front sides to face an occupant to be protected when the airbag is inflated, said at least one tie panel connecting the front sides of the left and right half airbags.

3. An airbag according to claim 2, wherein said at least one tie panel connects the left and right half airbags at ends of the front sides when the left and right half airbags are inflated.

4. An airbag according to claim 2, wherein said at least one tie panel includes an upper tie panel for connecting upper portions of the front sides of the left and right half airbags, and a lower tie panel for connecting lower portions of the front sides of the left and right half airbags.

5. An airbag according to claim 1, wherein said at least one tie panel between the left and right half airbags has a length of 200 to 450 mm.

6. An airbag according to claim 1, further comprising a connecting panel for connecting at least one of upper portions of the left and right half airbags and lower portions of the left and right half airbags, said connecting panel being fully extended when the left and right half airbags are inflated.

7. An airbag according to claim 2, wherein said at least one tie panel is arranged such that a space is formed behind the at least one tie panel between the left and right half airbags to absorb impact applied to the at least one tie panel.

8. An airbag according to claim 1, further comprising at least one intermediate airbag situated between the left and right half airbags and attached to the at least one tie panel.

9. An airbag according to claim 1, further comprising a communicating part for communicating rear ends of the left and right half airbags with each other.

10. An airbag according to claim 8, wherein said communicating port has one opening for receiving gas to inflate the left and right half airbags.

11. An airbag according to claim 2, wherein said left and right half airbags are formed independently.

12. An airbag according to claim 1, wherein said left and right half airbags are arranged relative to left and right sides of an occupant to be protected.