Apertured plastic films comprise a stretchable thermoplastic polymeric material having a plurality of micro-holes defined by a network of fiber-like elements. The films are produced by directing fluids, especially water, against the upper surface of a starting film in the form of columnar streams in...http://www.google.es/patents/US5997986?utm_source=gb-gplus-sharePatente US5997986 - Textile-like apertured plastic films
