Airbag and airbag device provided with the airbag

摘要

An airbag according to the present invention has: an airbag main body that is provided with a gas introduction opening; and an inner cloth portion that is arranged to cover the gas introduction opening in the airbag main body. The inner cloth portion has a first and a second opening end parts, and is fixed to a peripheral edge part of the gas introduction opening of the airbag main body while a position of the inner cloth portion is superimposed with the gas introduction opening of the airbag main body. In this manner, an airbag is caused to inflate and expand more speedily and widely in a direction which is orthogonal to an occupant's side direction, and an occupant can be buffered and supported in a stable manner so as to have a wide area from a front side irrespective of whatsoever posture seated by the occupant may be.

主权项

1. An airbag comprising:
an airbag main body that is provided with a gas introduction opening of an inflation gas without a need to employ a specific control device; and an inner cloth portion that is mounted and fixed so as to cover the gas introduction opening in the airbag main body, the airbag main body being caused to inflate and expand by the inflation gas, wherein the inner cloth portion comprises:
a first opening end part at which one end in a lengthwise direction opens as a gas outflow opening; anda second opening end part at which the other end in the lengthwise direction opens as a gas outflow opening, wherein a mounting and fixing portion of the inner cloth portion is fixed to a circumferential edge part of the gas introduction opening of the airbag main body while a position of the inner cloth portion is superimposed with the gas introduction opening of the airbag main body, and wherein the first opening end part and the second opening end part of the inner cloth portion is folded in a predetermined procedure together with the airbag main body in a state in which the first and second end parts are sandwiched between base cloths constituting the airbag main body.