Flexible sheet used for disposable sanitary article

Details Flexible sheet used for disposable sanitary article Flexible sheet used for disposable sanitary article

A - Human Necessities

61

F

A61F 13/53 (2006.01) A61F 13/15 (2006.01) B32B 3/10 (2006.01) B32B 27/12 (2006.01) D04H 13/00 (2006.01)

Patent

CA 2329455

A flexible sheet for disposable sanitary article includes a plurality of aperture-arrays each having a plurality of apertures, a plurality of plane regions arranged so that each pair of the adjacent plane regions have one of the aperture-arrays therebetween and a plurality of regions rising on the plane regions along their peripheral edges surrounding the respective apertures to form irregular undulations. The rising regions each defining on its both sides trough regions having a depth of at least 0.01 mm are distributed over the flexible sheet at a density of at least 500/cm2.

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