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US 12,575,980 B2Granted
Laminate webs and absorbent articles having the same
AssigneeThe Procter & Gamble Company
InventorsPietro Cecchetto, Linda Ann Sauer, Shihuang Li
Life of this patent
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Abstract
A laminate web having a polymer film layer and a nonwoven layer is disclosed. The polymer film layer makes up a first side of the laminate web and the nonwoven layer makes up a second side of the laminate web. The laminate web has a plurality of first elements extending from the polymer film. The web also has a plurality of second elements such as recesses, protrusions, apertures, embossing and combinations thereof.
Claims20
An absorbent article, comprising:
- a liquid permeable topsheet, a liquid impermeable backsheet, and an absorbent core disposed between the topsheet and the backsheet, wherein the topsheet comprises a laminate web comprising a first layer comprising a polymer film and a second layer comprising a nonwoven web, wherein the polymer film and nonwoven web have been joined to form a precursor laminate, the precursor laminate having a first side defined by the polymer film, and an opposing second side defined by the nonwoven,
- wherein the first layer has a pattern of relatively smaller apertures formed therethrough and comprises at least about 95 discrete apertures per square centimeter, wherein the apertures have a diameter of less than about 500 microns, wherein the laminate has a pattern of relatively larger protrusions formed therein, wherein each of the first layer and the second layer form the larger protrusions, wherein the relatively larger protrusions being of a size sufficient for a plurality of the relatively smaller apertures to be present within each of a plurality of the protrusions, wherein each large protrusion defines a void area interiorly, wherein each of the larger protrusions has a base, wherein the base and the first side are coplanar, wherein each of the larger protrusions comprises a plateau and a sidewall extending from the plateau to the base, wherein the base is wider than the plateau, wherein the first layer is stretched to form the larger protrusions such that portion of the first layer forming the larger protrusion has a reduced thickness as compared to the base, and wherein the plateau comprises at least one of the apertures that is larger than each of the other apertures of the first layer;
- wherein the first layer is an outermost layer of the absorbent article facing the skin of the wearer;
- wherein the pattern of relatively smaller apertures and the pattern of relatively larger protrusions extends throughout the liquid permeable topsheet;
- wherein the nonwoven web comprises a carded nonwoven.
2 more elements
An absorbent article, comprising:
- a liquid permeable topsheet, a liquid impermeable backsheet, and an absorbent core disposed between the topsheet and the backsheet, wherein the topsheet comprises a laminate web comprising a first layer comprising a polymer film and a second layer comprising a nonwoven web, wherein the polymer film and nonwoven web have been joined to form a precursor laminate, the precursor laminate having a first side defined by the polymer film, and an opposing second side defined by the nonwoven,
- wherein the first layer has a pattern of relatively smaller apertures formed therethrough and comprises at least about 95 discrete apertures per square centimeter, wherein the apertures have a diameter of less than about 500 microns, wherein the laminate has a pattern of relatively larger recesses formed therein, wherein each of the first layer and the second layer form the larger recesses, wherein the relatively larger recesses being of a size sufficient for a plurality of the relatively smaller apertures to be present within each of a plurality of the recesses, wherein each large protrusion defines a void area interiorly, wherein each of the larger recesses has a base, wherein the base and the first side are coplanar, wherein each of the larger recesses comprises a plateau and a sidewall extending from the plateau to the base, wherein the base is wider than the plateau, wherein the first layer is stretched to form the larger recesses such that portion of the first layer forming the larger protrusion has a reduced thickness as compared to the base, and wherein the plateau comprises at least one of the apertures that is at least 1.5 times larger than each of the other apertures of the first layer;
- wherein the first layer is an outermost layer of the absorbent article facing the skin of the wearer;
- wherein the pattern of relatively smaller apertures and the pattern of relatively larger recesses extends throughout the liquid permeable topsheet;
- wherein the nonwoven web comprises a carded nonwoven.
2 more elements
Dependencies are inferred from the claim text.