| 摘要 |
<p>An air bag unit provided with an air bag (1) which inflates and cushions a passenger at the time of collision of a car, wherein the air bag (1) is equipped with two base cloths (2, 3) at least one surface of each of which is coated with a rubber or a thermoplastic resin and which are cut in predetermined shapes, and these cloths (2, 3) are put one upon another so that their surfaces coated with the rubber or thermoplastic resin face inward. A reinforcing cloth (9) is sandwiched between the outer peripherical end portions of these cloths (2, 3) and the cloths (2, 3) and the reinforcing cloth (9) are fused thermally to one another. Accordingly, the bonded portion is not thick because there is no sewed up portion by sewing yarns unlike in the case of sewing. As a result, the package capacity of the air bag is small and hence, the air bag device is lightweight and compact. Since the bonded portion of the two base cloths (2, 3) is reinforced with the reinforcing cloth (9), sufficient strength can be secured and even when an inflating gas bursts into the bag, these cloths (2, 3) are not separated easily. <IMAGE></p> |
