| 摘要 |
An airbag has two base cloths with a high airtightness at sewn portions, and an airbag apparatus including the airbag and an inflator. The airbag is formed by sewing the two base cloths together with a sewing thread such that chambers are provided between the base cloths. A gas injection hole is provided at an end of the airbag. Each base cloth includes a main body made of a woven cloth and a coating layer made of thermoplastic resin formed on one side of the main body. When the base cloths are sewn together, one of the base cloths is placed on the other in such a manner that the coating layers of the base cloths come into contact with each other, and then the base cloths are adhered to each other by heating the portions to be sewn and applying pressure to the base cloths as necessary.
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