This invention is directed to a nonwoven fabric having knuckle-free planar surfaces being comprised of (1) parallel linear machine direction yarns residing in a single plane and (2) interconnecting, cross-machine direction polymeric material also residing in said plane and substantially entirely surrounding...http://www.google.ca/patents/US4740409?utm_source=gb-gplus-sharePatent US4740409 - Nonwoven fabric and method of manufacture
