Air bag for a vehicle air bag assembly and method of making the

Details Air bag for a vehicle air bag assembly and method of making the Air bag for a vehicle air bag assembly and method of making the

1992-02-10

1995-02-28

Pape, Joseph

Land vehicles

Wheeled

Attachment

280728R, B60R 2216

Patent

active

053930924

ABSTRACT:
A method of making air bags for vehicle air bag assemblies includes the step of forming a set of air bag panels. The set of panels includes a first panel with a perimetric edge and a second panel with a perimetric edge having an undulant fray-inhibiting contour. These panels are joined together to form a structure capable of being inflated to a predetermined three-dimensional configuration. Specifically, the perimetric edge of the first panel is joined to the perimetric edge of the second panel. Preferably, a plurality of second panels are die-cut with a die-board including a series of knives. Each knife has a shape corresponding to the desired shape of the second panel and the desired undulant fray-inhibiting contour of the panel's perimetric edge. The present invention also provides an air bag for a vehicle air bag assembly which includes a set of panels joined together to form a structure capable of being inflated into a three-dimensional shape. The set of air bag panels includes a first panel with a perimetric edge and a second panel with a perimetric edge having an undulant fray-inhibiting contour.

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patent: 5226671 (1993-07-01), Hill
patent: 5280954 (1994-01-01), Henseler et al.
Application Ser. No. 07/779,536, filed Oct. 17, 1991 "Air Bag Structure and Method of Forming" by Bruce R. Hill (inventor) pp. 1-25 (plus 7 sheets drugs).

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