A soft nonwoven web of entangled fibers or filaments having a pattern of fused bond areas and a stretched, loopy filament configuration outside of the patterned bond areas. The result is a soft web with high bulk that retains to a high degree the original bonded strength properties. In one embodiment,...http://www.google.com.au/patents/US4443513?utm_source=gb-gplus-sharePatent US4443513 - Soft thermoplastic fiber webs and method of making
