Patent ID: 6048600
Filing Date: 2000-04-11
Classification: A61F,B32B,Y10T

Abstract:
A liquid-permeable casing sheet for absorbent sanitary articles, the casing sheet including a first layer which is corrugated over at least a central part of its surface so as to provide rows of parallel waves having wave crests and wave troughs, the wave crests forming an article contact surface with a wearer's body when the article is in use, wherein the first layer further includes through-penetrating openings formed by removal of material from the first layer, said through-penetrating openings being arranged in parallel rows and said parallel rows of openings extending perpendicularly to said parallel rows of waves or corrugations, each of said through-penetrating openings passing through one of the wave crests such that said through-penetrating openings are defined by openings in a direction perpendicular to said parallel row of waves.