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METHOD FOR PRODUCING A REARRANGED FABRIC HAVING IMPROVED CROSS-STRENGTH

  • US 3,747,161 A
  • Filed: 08/20/1971
  • Issued: 07/24/1973
  • Est. Priority Date: 08/20/1971
  • Status: Expired due to Term
First Claim
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1. A method of manufacturing a rearranged nonwoven fabric having improved cross strength comprising:

  • (a) treating a layer of fibers with a plurality of rearranging forces to move fibers into areas of lesser fiber density and areas of greater fiber density, (b) stretching the rearranged layer of fibers in its transverse direction, and (c) treating the stretched layer with a plurality of rearranging forces to form a plurality of interconnected bundles of fiber segments defining a pattern of areas of lesser fiber density.

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