Manufacture of an air bag fabric

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

B - Operations, Transporting

60

R

B60R 21/16 (2006.01) D03D 1/02 (2006.01)

Patent

CA 2050784

Manufacture of an air bag fabric having zones of differing air permeability which are variable in shape and size. A dobby, tappet or Jacquard machine is used to weave into a fabric having a 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.

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