Apertured plastic film

摘要

An apertured plastic film (10) having a plurality of wales (12), a plurality of sloped side walls (14) extending from the wales (12) and a plurality of clusters of irregular micro-holes (18) defined by a network of fiber-like elements (20), each cluster of irregular micro-holes (18) being connected between at least two of the sloped side walls (14). The film also has a plurality of rows of undulating ribs (22) having the network of wales (12) connected to opposite sides of the ribs (22) and extending in a transverse direction from the ribs (22). The films of the invention are useful as covering materials for absorbent products such as diapers, wound dressings and sanitary napkins.