Patent ID: 9701270
Date: 2017-07-11
CPC Classifications: B60R

Claim:
1. A side airbag system comprising: an airbag that is folded up to be accommodated in an accommodating portion that is formed in a seatback of a seat of a vehicle and which is configured to inflate while projecting to the front by allowing an inflation gas to enter an interior thereof; and a wrapping material that is disposed around a folded-up airbag body into which the airbag is folded so as to prevent the collapse of neatly arranged folds of the folded-up airbag body, the folded-up airbag body being configured as an elongated body having an external shape that is disposed so that a longitudinal direction thereof substantially follows an up-to-down direction, wherein: the wrapping material is formed of a flexible sheet material and is disposed so as to wrap around the folded-up airbag body, including a break planned portion capable of breaking when the airbag inflates which is provided on a front surface side of the folded-up airbag body so as to substantially follow the up-to-down direction; and the break planned portion comprises a low-strength portion where a break strength thereof is set low and a high-strength portion where the break strength is set high, wherein: the wrapping material is configured to expose at least one end portion of the folded-up airbag body in the up-to-down direction; and the low-strength portion is provided close to an exposed portion of the folded-up airbag body.