Manufacture of an air bag fabric

Details Manufacture of an air bag fabric Manufacture of an air bag fabric

1991-09-09

1992-07-21

Rice, Kenneth R.

Textiles: weaving

Warp manipulation

1391161, 139383R, 280743, D03C 1300

Patent

active

051314347

ABSTRACT:
An air bag fabric has zones of differing air permeability which are variable in shape and size. A dobby, tappet or Jacquard machine may be used to weave, into a fabric having tight basic weave, window-like zones with a weave which differs from the basic weave, as a result of which these zones have a high air permeability. The zones of low air permeability are arranged in such a way that later they form the edges of cuts and seams. It is further possible to manufacture fabrics which have zones of differing air permeability by alternating sections of high warp or weft sett with sections of low warp or weft sett. The fabrics of the invention are suitable in particular for the filter part of air bags.

REFERENCES:
patent: 592057 (1897-10-01), Knight
patent: 3360014 (1967-12-01), Poisson et al.
patent: 3451693 (1969-06-01), Carey
patent: 3481625 (1969-12-01), Chute
patent: 3937488 (1976-02-01), Wilson et al.
patent: 4840397 (1989-06-01), Katz et al.
patent: 4963412 (1990-10-01), Kokeguchi
Engineering with Fibres for Airbags--Wolf Krummheuer, Bag & Belt '90, Cologne/F.R.G., Apr. 25-27, 1990, pp. 1-19.

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