Airbag apparatus and tether sewing method

An airbag apparatus comprising:

• an airbag that is folded up in a normal state and is inflated and deployed in an emergency state;
• and
• an inflator configured to supply a deployment gas to the airbag,
• wherein the airbag comprises:
• a base fabric constituting an outer shell of the airbag;
• a tether sewn to the base fabric and configured to restrict a shape of the airbag when the airbag is inflated and deployed by the deployment gas,
• wherein
• the base fabric has a first pin hole therethrough in a contact region where the base fabric and the tether contacts each other, and
• the tether has a second pin hole therethrough in the contact region, wherein a position of the second pin hole corresponds to a position of the first pin hole,
• wherein the tether has a folded back portion sewn to the tether and covering the first and second pin holes, and
• wherein the respective first and second pin holes are configured to receive a positioning pin for fixing the base fabric and tether to each other.