A hook and loop fastener for flat structures, particularly for textile products, having a hook part and an interlocking part, the interlocking part being made of a nonwoven composite having worked-in, textured, polymeric threads, the nonwoven composite being used as support for the textured threads,...http://www.google.com.au/patents/US6647600?utm_source=gb-gplus-sharePatent US6647600 - Hook and loop fastener for flat materials