Patent attributes
A head portion protection airbag device includes: an airbag, formed into a folded body being folded such that a lower edge side in an unfolded state approaches an upper edge side, wrapped with an unfoldment preventing tape material and attached to the upper edge side of the window, assembled with a twisting restriction member, which is configured to prevent twisting of the folded body, on an upper edge side of the airbag, and attached to the upper edge side of the window as a bag attachment body. A plurality of attachment piece portions, which are attached to a body side of the vehicle, are arranged side by side on the upper edge side of the airbag. The bag attachment body is wrapped with the tape material in a state where the twisting restriction member is assembled to the upper edge side of the airbag in the folded body.
