Patent ID: 8123250

Claim:
An airbag apparatus comprising: a housing, an inflator secured to the housing and having a generally columnar shape, the inflator including at a first end discharge ports for emission of inflation gas; and an airbag secured to and housed in the housing in a folded up configuration, the airbag including: a bag body constituting an outer circumferential wall of the airbag and inflatable with inflation gas, the bag body including an insert hole that receives the inflator such that a region of the inflator on the side of the first end provided with the discharge ports is housed inside the airbag and secures the bag body to the housing whereas a region of the inflator on the side of a second end projects out of the insert hole; and a sealing cloth having flexibility and so connected to the bag body as to cover a peripheral area of the insert hole on an inner circumference of the bag body for providing gas seal at the insert hole of the bag body, the sealing cloth including a through hole for receiving the inflator on a location corresponding to the insert hole of the bag body and at least one slit that encircles the through hole generally wholly in a circumferential direction and enables relative slip movement between a peripheral area of the through hole on the sealing cloth and the peripheral area of the insert hole on the bag body in generally radial directions about the through hole.