To provide a head protective airbag in which the heat resistance of a flow channel closing part of a downward gas flow channel peripheral edge of a bag body.SOLUTION: A head protective airbag includes: a bag body 31; an inner tube 60 having a plurality of flowing out ports 63, 64, 65 for supplying inflation gas G to a prescribed portion of the bag body; and a cover cloth 85 arranged in the peripheral edge of the downward gas flowing out port 65. The inner tube is formed by arranging a fold at a lower edge 60c side, folding an inner tube base cloth into two, and stitching overlapped outer peripheral edges. In the bag body, a flow channel closing part 48 made by combining a vehicle inside panel 32a and a vehicle outside panel 32b is provided in the front and rear peripheral edges of the downward gas flowing our port. The cover cloth is arranged in an inner peripheral side of a downward gas flow channel 38a between front and rear flow channel closing parts 48a, 48b so as to guide inflation gas from the downward gas flowing out port to a lower edge 31b side of the bag body.SELECTED DRAWING: Figure 3

    【課題】バッグ本体の下向きガス流路周縁の流路用閉じ部の耐熱性を向上させた頭部保護エアバッグを提供すること。【解決手段】バッグ本体31と、膨張用ガスGをバッグ本体の所定部位に供給する複数の流出口63,64,65を有したインナチューブ60と、下向きガス流出口65の周縁に配設されるカバー布85と、を備える。インナチューブは、折目を下縁60c側に配置させてインナチューブ用基布を二つ折りして、重ねた外周縁相互を縫合させて形成される。バッグ本体は、下向きガス流出口の前後の周縁に、車内側パネル32aと車外側パネル32bとを結合させた流路用閉じ部48を設ける。カバー布は、前後の流路用閉じ部48a,48bの間の下向きガス流路38aの内周側で、下向きガス流出口からの膨張用ガスをバッグ本体の下縁31b側に案内可能に、配設されている。【選択図】図3


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    Title :

    HEAD PROTECTIVE AIRBAG


    Additional title:

    頭部保護エアバッグ


    Contributors:

    Publication date :

    2020-01-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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