Patent classifications
A61F2013/53782
Method of manufacturing an activated composite web and an activated composite web for absorptive devices
A method of manufacturing an activated composite web includes laminating a film layer to a nonwoven web to form a composite web, forming a plurality of apertured protuberances in the film layer, and passing the composite web through intermeshing elements to form an activated composite web. The intermeshing elements form a plurality of first lanes, with first widths, substantially unaffected by activation, and a plurality of second lanes, with second widths. The second widths are less than the first widths. Portions of the plurality of apertured protuberances define first apertures in the first lanes and second apertures in the second lanes. The cross-sections of the second apertures are larger than the first apertures. The first apertures have their major axes substantially aligned in the first direction while the second apertures have their major axis substantially aligned in the second direction. An activated composite web also is provided.
FLEXIBLE AND COMPLIANT MECHANICALLY-DEFORMED NONWOVENS FOR USE IN ABSORBENT ARTICLES
A mechanically deformed nonwoven comprising a plurality of protrusions extending outwardly from a first surface of the nonwoven and having openings c corresponding to the protrusions in a second surface of the nonwoven. The nonwoven has a Horizontal Bending Drop at 100 mm of at least 75 mm and a Z-Compliance Index of at least 50 mm.sup.3/N. The nonwoven can be used in absorbent articles such as diapers as an acquisition layer between the absorbent core and the backsheet and/or as a masking layer between an absorbent layer core and the backsheet.
ABSORBENT ARTICLE WITH AN EXUDATE MANAGEMENT LAYER
An absorbent article can have a topsheet layer, a liquid impermeable layer, and an absorbent core positioned between the topsheet layer and the liquid impermeable layer. The absorbent article can further include an exudate management layer in fluid communication with the topsheet layer. In various embodiments, the exudate management layer can be positioned on a body facing surface of the topsheet layer. In various embodiments, the exudate management layer can be positioned between the topsheet layer and the absorbent core. The exudate management layer has a first component which defines an opening for direct passage of body exudates into the absorbent core. The exudate management layer has a second component which at least partially overlaps the first component of the exudate management layer and further extends in the longitudinal direction of the absorbent article in a direction towards the posterior region of the absorbent article.
Absorbent articles forming a three-dimensional basin
An absorbent article such as a diaper comprises a topsheet, a backsheet and an absorbent core. The absorbent layer comprises at least a longitudinally-extending central portion, and a first and second side portions disposed transversally outward of the central portion. The absorbent core further comprises first and second folding guides between the central portion and the side portions. Each side portion comprises a plurality of winglets, each winglet having a proximal side relative to a folding guide and extending outward from this proximal side, and wherein neighboring winglets are separated by a gap between their neighboring sides. The central portion and the side portions form a three-dimensional basin when the absorbent core is folded along the folding guides. The article further may comprise at least one liquid management layer substantially free of superabsorbent polymer between the topsheet and the absorbent core. The absorbent core may be substantially free of cellulose fibers.
Absorbent article having laminated second sheet with through-holes
An absorbent article (1) comprising a top sheet (2), a back sheet (3), an absorbent body (4) disposed therebetween and a second sheet (10) disposed between the top sheet (2) and the absorbent body (4), wherein the second sheet (10) is composed of a laminate having a nonwoven fabric layer (11) and a plastic film layer (12) from the top sheet side and has a plurality of through-holes (13).
Absorbent article with contoured fit
An absorbent article includes a topsheet layer, backsheet layer, and a subjacent layer between the topsheet layer and backsheet layer. A compressible fluid management layer is positioned between the topsheet layer and subjacent layer. The compressible fluid management layer has an inner edge that defines an annular opening, with the annular opening extending entirely through the compressible fluid management layer. The compressible fluid management layer includes a dimension which is smaller than a dimension of the subjacent layer. The absorbent article further includes a first embossed feature positioned at least at portions, within the annular opening, and adjacent to the compressible fluid management layer inner edge, shaped to conform to the shape of the inner edge. The first embossed feature is positioned within the topsheet layer and the subjacent layer. The article also includes a second embossed feature positioned lateral to compressible fluid management layer peripheral edges.
METHOD OF MANUFACTURING AN ACTIVATED COMPOSITE WEB AND AN ACTIVATED COMPOSITE WEB FOR ABSORPTIVE DEVICES
A method of manufacturing an activated composite web includes laminating a film layer to a nonwoven web to form a composite web, forming a plurality of apertured protuberances in the film layer, and passing the composite web through intermeshing elements to form an activated composite web. The intermeshing elements form a plurality of first lanes, with first widths, substantially unaffected by activation, and a plurality of second lanes, with second widths. The second widths are less than the first widths. Portions of the plurality of apertured protuberances define first apertures in the first lanes and second apertures in the second lanes. The cross-sections of the second apertures are larger than the first apertures. The first apertures have their major axes substantially aligned in the first direction while the second apertures have their major axis substantially aligned in the second direction. An activated composite web also is provided.
THREE-DIMENSIONAL MATERIALS HAVING APERTURES AND VOIDS
An absorbent article comprising a liquid permeable nonwoven topsheet, a nonwoven second material that is a separate material from the topsheet, a liquid impermeable backsheet, and an absorbent core positioned intermediate the second material and the backsheet. The second material is positioned intermediate the topsheet and absorbent core and is generally planar. The topsheet comprises a plurality of recesses and raised areas, and voids are defined in the raised areas under the topsheet. A first aperture is formed in a substantially central location of the raised areas. The recesses each form a base positioned most distal from the substantially central locations of the raised areas. A second aperture is formed in the bases of the recesses. The first aperture extends through the topsheet, and the second aperture extends through the topsheet and at least partially through the second material.
ABSORBENT ARTICLE WITH LEG CUFFS
A disposable absorbent article may include a chassis that includes a topsheet, a backsheet, and an absorbent core disposed between the topsheet and the backsheet; and a leg gasketing system. The leg gasketing system may include an inner cuff and an outer cuff; the inner cuff may include an inner cuff folded edge and an inner cuff material edge and the outer cuff may include an outer cuff folded edge and an outer cuff material edge such that the web of material is folded laterally inward to form the outer cuff folded edge and folded laterally outward to form the inner cuff folded edge. The leg gasketing system may also include a leg gasketing system pocket with an opening on an inboard longitudinal edge of the pocket.
FLUID DISTRIBUTION MATERIAL FOR ABSORBENT ARTICLES
A fluid distribution material for use in an absorbent article includes a formed film layer having a user-facing side and a garment-facing side opposite the user-facing side. The formed film layer includes a plurality of apertured protuberances arranged in a pattern having 10 to 40 protuberances per linear inch. Each of the protuberances includes a continuous sidewall extending from the user-facing side. The garment-facing side has a plurality of apertures aligned with the plurality of apertured protuberances and land areas in between the apertures. A nonwoven layer is laminated to the garment-facing side of the formed film layer. The nonwoven layer includes a plurality of continuous fibers extending across the land areas and the plurality of apertures of the formed film layer and attached to the land areas at bond sites. The fluid distribution material has a compressibility of less than 10% between pressures of 0.21 psi and 0.60 psi.