Patent ID: 6129377
Filing Date: 2000-10-10
Classification: B60R

Abstract:
An air bag for a side air bag device adapted to be mounted on the peripheral edge of a door opening inside of the compartment of a vehicular body, comprising:an air bag having a generally rectangular bag shape having a gas inlet for introducing an inflating gas so as to cover said door opening when inflated, and a tensing joint partially jointing an inner side wall and an outer side wall is arranged to form a tension line for establishing a tension from a lower side to an obliquely upper side of said door opening peripheral edge at the time of expansion,such that a plurality of said tensing joints are juxtaposed along the direction of said tension line so as to cross said tension line,such that said individual tensing joints are arranged generally at vertical middle portions so as to form one expansion chamber having upper and lower spaces for said inflating gas to flow therethrough, andsuch that said individual tensing joints are shaped to have curved bulges bulging toward said gas inlet.