AIRBAG DOOR OF AUTOMOBILE AND MANUFACTURE METHOD THEREOF

PROBLEM TO BE SOLVED: To prevent a step from being generated on a border area of a rigid layer and a flexible layer of a synthetic resin at the time of reaction injection molding, in an airbag of automobile with its flexible layer integrally formed with an instrument panel whose rigid layer of a syn...

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1. Verfasser: DAIHO YUKIO
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To prevent a step from being generated on a border area of a rigid layer and a flexible layer of a synthetic resin at the time of reaction injection molding, in an airbag of automobile with its flexible layer integrally formed with an instrument panel whose rigid layer of a synthetic resin is integrally formed by reaction injection molding. SOLUTION: For the instrument panel, a flexible layer 6 having lower rigidity than a rigid layer is integrally molded with a door area by reaction injection molding instead of the rigid layer 5. On a surface side of the flexible layer 6 of a border area with the rigid layer 5, a thin wall part 6a is integrally formed and a lapping margin 5a is formed on the back surface side of the border area of the rigid layer 5 so that the lapping margin 5a overlaps the back surface of the thin wall part 6a.