A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
2/112, 2/98.09
A61F 13/15 (2006.01) A61L 15/42 (2006.01) A61F 13/56 (2006.01)
Patent
CA 1245005
SANITARY NAPKIN WITH GROSS FORAMINA OVERLYING A LOW DENSITY, RESILIENT STRUCTURE ABSTRACT Absorbent devices, such as sanitary napkins, having an apertured topsheet which is generally pervious to liquids and which is provided with gross foramina and a resilient layer underlying said apertured topsheet. Preferred apertured topsheets include formed thermoplastic films. The apertured topsheets are provided with fine foramina having equivalent hydraulic diameters from about 0.12 to about 1.25 millimeters and gross foramina having equivalent diameters of from about 1.25 to about 9.5 millimeters. There are, in the zone subject to impact by bodily fluids, no less than four times as many fine foramina as gross foramina. The resilient layer is a high loft, low density, resilient material which is essentially moisture insensitive. Preferred optional elements include a wicking layer between the apertured topsheet and the resilient layer, an absorbent core adjacent that side of the resilient layer which is opposite the side of the resilient layer disposed toward the apertured topsheet, and a moisture barrier associated with the absorbent core on the side of the absorbent core opposite that associated with the resilient layer. The sanitary napkins can be optionally provided with adhesive attachment means adapted to secure the sanitary napkin within the crotch region of an undergarment.
484629
Sim & Mcburney
The Procter & Gamble Company
LandOfFree
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