Patent ID: 7954847

Claim:
A stretchable webbing for an inflatable belt assembly the stretchable webbing comprising: a plurality of knitting yarns; an inserting yarn connected to the knitting yarns; a first filament of the inserting yarn having a first fusing point; and a second filament of the inserting yarn having a second fusing point that is lower than the first fusing point with the first and second filaments being adjacent so that heating of the inserting yarn to a temperature of at least the second fusing point and below the first fusing point bonds the second filament to the knitting yarns, and bonds the first filament to the knitting yarns with the second filament, wherein the knitting yarns comprise a first knitting portion having a fusing point equal to the fusing point of the first filament, and a second knitting portion having a fusing point equal to the fusing point of the second filament.