Flexible sheet used for disposable sanitary article
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United States of America Patent
Stats
-
Apr 8, 2003
Grant Date -
Jun 28, 2001
app pub date -
Dec 27, 2000
filing date -
Dec 27, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
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 both sides, trough regions having a depth of at least 0.01 mm which are distributed over the flexible sheet at a density of at least 500/cm.sup.2.
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