Absorbent article having barrier means and medial bulge
First Claim
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1. An absorbent article having an outer perimeter, said article comprising;
- a) a bodyfacing liquid-permeable cover;
b) a garment faring liquid-impermeable baffle;
c) an absorbent core disposed between said cover and said baffle, said absorbent core having a periphery inward from said outer perimeter and an absorbent protuberance which extends above a plane parallel to said periphery; and
d) barrier means encircling said protuberance for intercepting body fluid migrating toward said outer perimeter, said barrier means being positioned between said periphery and said outer perimeter and having a height of between about 2 millimeters to about 25 millimeters, said barrier means having horizontal channel proximate said absorbent core partially dividing said barrier means into a too section and a bottom section wherein said absorbent core partially resides between top and bottom sections, said barrier means being sufficiently compressible so that a force of about 0.1 psi to about 2 psi is needed to compress said barrier at least 50 percent and said absorbent article having a flexure -resistance of less than about 1 kilogram.
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Abstract
An absorbent article with an outer perimeter is disclosed having a cover, a baffle, an absorbent core and a barrier means for intercepting fluid migrating from the absorbent core toward the outer perimeter of the sanitary napkin. The absorbent core has a protuberance that extends above a plane that is parallel to the absorbent core periphery. The barrier can encircle the protuberance so that in use the barrier effectively forms a gasket between the wearer'"'"'s body, such as the crotch and/or thighs and the absorbent article.
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Citations
23 Claims
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1. An absorbent article having an outer perimeter, said article comprising;
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a) a bodyfacing liquid-permeable cover; b) a garment faring liquid-impermeable baffle; c) an absorbent core disposed between said cover and said baffle, said absorbent core having a periphery inward from said outer perimeter and an absorbent protuberance which extends above a plane parallel to said periphery; and d) barrier means encircling said protuberance for intercepting body fluid migrating toward said outer perimeter, said barrier means being positioned between said periphery and said outer perimeter and having a height of between about 2 millimeters to about 25 millimeters, said barrier means having horizontal channel proximate said absorbent core partially dividing said barrier means into a too section and a bottom section wherein said absorbent core partially resides between top and bottom sections, said barrier means being sufficiently compressible so that a force of about 0.1 psi to about 2 psi is needed to compress said barrier at least 50 percent and said absorbent article having a flexure -resistance of less than about 1 kilogram. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 23)
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13. An absorbent article having an outer perimeter, said absorbent article comprising:
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a) a bodyfacing liquid-permeable cover; b) a garment facing liquid-impermeable baffle; c) an absorbent core disposed between said cover and said baffle and adapted to absorb at least 5 grams of fluid, said absorbent core having a outer periphery inward from said outer perimeter and a longitudinally oriented protuberance which extends above a plane parallel to said periphery; and d) barrier means encircling said protuberance for intercepting body fluid migrating toward said outer perimeter, said barrier means being positioned between said outer perimeter and said periphery and having a height of between about 2 millimeters to about 25 millimeters thereby forming a gasket between a wearer'"'"'s thighs and a portion of said absorbent core when said absorbent article is in use, said barrier means having a horizontal channel proximate said absorbent core partially dividing said barrier means into a top section and a bottom section wherein said absorbent core partially resides between said top and bottom sections, said barrier means being sufficiently compressible so that a force of about 0.3 psi to about 1.7 psi is needed to compress said barrier at least 50 percent and said absorbent article having a flexure-resistance of less than about 1 kilogram. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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21. A sanitary napkin having an outer perimeter, said sanitary napkin comprising:
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a) a bodyfacing liquid-permeable cover; b) a garment faring liquid-impermeable baffle; c) an absorbent core disposed between said cover and said baffle, said absorbent core having a periphery with a predetermined thickness positioned inward from said outer perimeter, said absorbent core having a medially positioned, longitudinally oriented protuberance which extends above a plane parallel to said periphery; and d) a polymeric foam barrier encircling and delimiting said absorbent core, said foam barrier is selected from polyurethane, polyethylene, polypropylene and combinations thereof having a density of about 0.02 grams/cm3 to about 0.1 grams/cm3, said foam barrier having a horizontal channel proximate said absorbent core partially dividing said foam barrier into a top section and a bottom section wherein said absorbent core partially resides between said top and bottom sections. - View Dependent Claims (22)
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Specification