| US 7,581,755 B2 | ||
| Airbag device | ||
| Makoto Nagai, Wako (Japan); and Fumiharu Ochiai, Wako (Japan) | ||
| Assigned to Honda Motor Co., Ltd., Tokyo (Japan) | ||
| Filed on Jun. 20, 2008, as Appl. No. 12/214,757. | ||
| Application 12/214757 is a division of application No. 10/932875, filed on Sep. 02, 2004, granted, now 7,401,811. | ||
| Claims priority of application No. 2003-317761 (JP), filed on Sep. 10, 2003; application No. 2003-411899 (JP), filed on Dec. 10, 2003; application No. 2003-412200 (JP), filed on Dec. 10, 2003; application No. 2003-417862 (JP), filed on Dec. 16, 2003; application No. 2004-188825 (JP), filed on Jun. 25, 2004; and application No. 2004-188826 (JP), filed on Jun. 25, 2004. | ||
| Prior Publication US 2008/0265552 A1, Oct. 30, 2008 | ||
| Int. Cl. B60R 21/16 (2006.01) | ||
| U.S. Cl. 280—743.1 [280/743.2] | 10 Claims |

| 1. An airbag device comprising an airbag, the airbag comprising first and second base cloths sewn at their outer peripheries,
and inflated by supplying gas generated by an inflator to the inside of the airbag through a central portion of one base cloth
upon collision of a vehicle,
wherein the first and second base cloths are joined by a plurality of bonding portions continuously extending in a generally
circumferential direction,
wherein said plurality of bonding portions are vortical and provided each continuously extending from one end thereof near
the central portion toward the other end thereof near the outer periphery, and
wherein a load caused by inflation of the airbag breaks each of the bonding portions sequentially from the central portion
end to the outer periphery end thereof.
|