A wrapping device having a laminate film is disclosed. The laminate film includes at least a pair of outer layer and inner layer comprising synthetic resin layers non-heat-fusible relative to each other, a bonded portion through which the outer layer and the inner layer are bonded to each...http://www.google.es/patents/US5839832?utm_source=gb-gplus-sharePatente US5839832 - Wrapping device
