Method of assembling and packing an automotive airbag

摘要

A method of assembling an airbag for a seatbelt restraint such that the deflated airbag lays flat when it is stacked and secured to a webbing of the seatbelt. The airbag is assembled from a plurality of material strips. The strips are edge joint welded together so that the joints lay flat between the individual strips comprising the airbag.

主权项

1. A method of packing an automotive airbag comprising:
stacking a plurality of material strips having first and second edges; edge joint welding pairs of first edges together and pairs of second edges together, the pairs of second edges being staggered from the pairs of first edges, to form an accordion stack in which the strips in the stack lay flat; forming a tube having first and second openings by edge joint welding together top and bottom strips of the stack; closing the first and second openings by edge joint welding to form an inflatable bag; and securing the bag to a seatbelt webbing.