US20170246052A1 - Configurable absorbent articles - Google Patents

Configurable absorbent articles Download PDF

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Publication number
US20170246052A1
US20170246052A1 US15/234,540 US201615234540A US2017246052A1 US 20170246052 A1 US20170246052 A1 US 20170246052A1 US 201615234540 A US201615234540 A US 201615234540A US 2017246052 A1 US2017246052 A1 US 2017246052A1
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US
United States
Prior art keywords
absorbent article
absorbent
topsheet
waist region
wetness guard
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US15/234,540
Other languages
English (en)
Inventor
Susan Joy Ludwig
Amy Lynn Tally
Taylor Javier Morris
Donald Carroll Roe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Priority to US15/234,540 priority Critical patent/US20170246052A1/en
Assigned to THE PROCTER & GAMBLE COMPANY reassignment THE PROCTER & GAMBLE COMPANY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MORRIS, TAYLOR JAVIER, LUDWIG, SUSAN JOY, ROE, DONALD CARROLL, TALLY, AMY LYNN
Priority to PCT/US2017/019047 priority patent/WO2017147246A1/en
Priority to EP17709276.4A priority patent/EP3419575B1/de
Priority to CN201780012174.1A priority patent/CN108697546B/zh
Publication of US20170246052A1 publication Critical patent/US20170246052A1/en
Priority to US16/214,255 priority patent/US11344454B2/en
Abandoned legal-status Critical Current

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    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F2013/49068—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterized by the shape of the outline
    • A61F2013/49074—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterized by the shape of the outline hourglass; dog bone-shaped
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/513—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
    • A61F2013/51355—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability for improving fluid flow

Definitions

  • the present disclosure is directed to configurable absorbent articles.
  • Absorbent articles are used to contain bodily exudates (e.g., urine and BM) in infants, children, and adults.
  • Absorbent articles may be used in hospitals for diapering infants, premature babies, and/or Neonatal Abstinence Syndrome (“NAS”) babies. Premature babies, NAS babies, or other small infants may require special care by nurses and other hospital staff. These babies are oftentimes on ventilators, feeding tubes, or other life support or monitoring systems. In some instances, the babies may be positioned within incubators, also known as isolets. The babies are typically kept in high humidity, sterile environments as they have very delicate skin that needs to be protected. It is important to the health of these premature babies that they not be handled too much and that they are maintained in a very sterile environment.
  • NAS Neonatal Abstinence Syndrome
  • the present disclosure provides configurable absorbent articles suitable for premature and NAS babies (and other small infants, other babies, or other wearers), while not being limited to any certain sizes or uses. As discussed above, one issue with current absorbent articles is that they are not configured for the specific needs of premature or NAS babies, in some instances, forcing nurses to handle these babies more than the nurses' desire.
  • the configurable absorbent articles of the present disclosure overcome the disadvantages of current premature and/or NAS baby absorbent articles by providing very narrow crotch regions, narrow chassis regions, small overall dimensions, soft skin-contacting surfaces, front and back umbilical cord notches (in some forms to create a reversible absorbent article), front and back reverse umbilical cord projections (in some forms to create a reversible absorbent article), discrete and detachable fastening members (to allow nurses to configure the absorbent articles as needed and have fastening flexibility), one or more wetness guards, and/or low opacity outer cover nonwovens and/or backsheets, for example.
  • the discrete and detachable fastening members may have slots or apertures formed therein, so that tubes or hoses used to aid or monitor the health of the premature or NAS babies may be inserted therethrough without disturbing the baby or without the need for moving the baby. These slots or apertures may also help hold the tubes or hoses in place. Low opacity backsheets and/or outer cover nonwoven materials may be helpful in identifying when the absorbent article needs changed without the need for moving the babies.
  • the configurable absorbent articles of the present disclosure may allow for use without any fastening members, owing to the discrete and detachable fastening members. This may be desired by nurses in some instances and may reduce the need to touch or move the baby.
  • the absorbent articles of the present disclosure may also be reversible to allow the nurse to apply the absorbent article as he/she desires or as is needed.
  • Absorbent materials in absorbent cores of the absorbent articles may be homogeneous to allow for reversible use. Further, the absorbent cores may have an extended hourglass shape to help narrow the crotch region and provide for more fit options and leg placements.
  • the absorbent articles of the present disclosure may comprise one or more wetness guards.
  • the wetness guards may comprise one or more liquid impermeable materials, such as films or nonwoven materials, and one or more non-film materials, such as one or more nonwoven materials.
  • the wetness guards may be positioned in areas of the absorbent articles that come into contact with a baby's lower back, waist, and/or legs, but not be positioned where a crotch area of the baby contacts the absorbent article.
  • the non-film material may face toward the baby to provide comfort, while the liquid impermeable material may face away from the baby.
  • the wetness guards may accomplish at least two functions.
  • the urine is typically wicked away from the point of entry into the absorbent core throughout the absorbent core (both laterally and longitudinally). This may cause areas of the absorbent pad where the baby's lower back, waist, and/or legs are to be wet.
  • the wetness guards provide a barrier between the wet areas and the baby's lower back, waist, and/or legs thereby leading to improved skin health for the baby.
  • the wetness guards may comprise soft non-film materials facing the baby's skin. As such, the baby's lower back, waist, and/or legs may rest on a soft, comfortable material again leading to improved skin health.
  • the present disclosure is directed, in part, to an absorbent article comprising a central lateral axis, a central longitudinal axis, a first end edge, a second end edge opposing the first end edge, a first side edge, a second side edge opposing the first side edge, a first waist region on a first side of the central lateral axis, a second waist region on a second side of the central lateral axis, and a crotch region extending intermediate the first waist region and the second waist region and crossing the central lateral axis.
  • the absorbent article comprises a liquid permeable, apertured or nonapertured topsheet.
  • the topsheet may be hydrophobic or hydrophilic, or may have hydrophilic or hydrophobic portions or layers.
  • the absorbent article comprises a liquid impermeable backsheet, an acquisition material, and an absorbent core positioned at least partially intermediate the acquisition material and the liquid impermeable backsheet.
  • the absorbent core comprises an absorbent material.
  • the absorbent material may have a first width, in a direction parallel to the central lateral axis, in the first waist region.
  • the absorbent material may have a second width, in the direction parallel to the lateral axis, in the second waist region.
  • the absorbent material may have a third width, in the direction parallel to the lateral axis, in the crotch region.
  • the first width and the second width may be greater than the third width and the first and second widths may be the same, substantially the same, or different.
  • the absorbent article comprises a pair of leg cuffs positioned proximal to the first and second side edges.
  • the absorbent article comprises a first wetness guard in the first waist region.
  • the first wetness guard may comprise a first liquid impermeable material in a facing relationship with the topsheet and a second liquid permeable material forming a first portion of a wearer-facing surface of the absorbent article.
  • the absorbent article may comprise a second wetness guard in the second waist region.
  • the second wetness guard may comprise a third liquid impermeable material in a facing relationship with the topsheet and a fourth liquid permeable material forming a second portion of the wearer-facing surface of the absorbent article.
  • the absorbent article may comprise a removable fastening member comprising a first surface, a second surface opposite to the first surface, a first end, a second end opposite to the first end, a first fastener comprising a first plurality of hooks on the first surface and positioned proximate to the first end, and a second fastener comprising a second plurality of hooks on the first surface and positioned proximate to the second end.
  • the present disclosure is directed, in part, to an absorbent article comprising a central lateral axis, a central longitudinal axis, a first end edge, a second end edge opposing the first end edge, a first side edge, a second side edge opposing the first side edge, a first waist region on a first side of the central lateral axis, a second waist region on a second side of the central lateral axis, and a crotch region extending intermediate the first waist region and the second waist region and crossing the central lateral axis.
  • the absorbent article comprises a liquid permeable topsheet, a liquid impermeable backsheet, and an absorbent core positioned at least partially intermediate the topsheet and the liquid impermeable backsheet.
  • the absorbent core comprises an absorbent material.
  • the absorbent material may have a first width, in a direction parallel to the central lateral axis, in the first waist region.
  • the absorbent material may have a second width, in the direction parallel to the lateral axis, in the second waist region.
  • the absorbent material may have a third width, in the direction parallel to the lateral axis, in the crotch region.
  • the first width and the second width may be greater than the third width.
  • the first and second widths may the same, substantially the same, or different.
  • the absorbent article comprises a pair of leg cuffs positioned proximal to the first and second side edges and a first wetness guard in the first waist region.
  • the first wetness guard may comprise a first liquid impermeable material in a facing relationship with the topsheet and a second liquid permeable material forming a first portion of a wearer-facing surface of the absorbent article.
  • the absorbent article may comprise a second wetness guard in the second waist region.
  • the second wetness guard may comprise a third liquid impermeable material in a facing relationship with the topsheet and a fourth liquid permeable material forming a second portion of the wearer-facing surface of the absorbent article.
  • the absorbent article may comprise a removable fastening member comprising a first surface, a second surface opposite to the first surface, a first end, a second end opposite to the first end, a first fastener comprising a first plurality of hooks on the first surface and positioned proximate to the first end, and a second fastener comprising a second plurality of hooks on the first surface and positioned proximate to the second end.
  • the present disclosure is directed, in part, to an absorbent article comprising a central lateral axis, a central longitudinal axis, a first end edge, a second end edge opposing the first end edge, a first side edge, a second side edge opposing the first side edge, a first waist region on a first side of the central lateral axis, a second waist region on a second side of the central lateral axis, and a crotch region extending intermediate the first waist region and the second waist region and crossing the central lateral axis.
  • the absorbent article may comprise a liquid permeable, apertured or non-apertured topsheet.
  • the topsheet may be hydrophilic or hydrophobic, or may have hydrophobic or hydrophilic portions or layers.
  • the absorbent article may comprise a liquid impermeable backsheet, an acquisition material, and an absorbent core positioned at least partially intermediate the acquisition material and the liquid impermeable backsheet.
  • the absorbent core comprises an absorbent material.
  • the absorbent material may have a first width, in a direction parallel to the central lateral axis, in the first waist region.
  • the absorbent material may have a second width, in the direction parallel to the lateral axis, in the second waist region.
  • the absorbent material may have a third width, in the direction parallel to the lateral axis, in the crotch region.
  • the first width and the second width may be greater than the third width.
  • the first width and the second width may be the same, substantially the same, or different.
  • the absorbent article comprises a pair of leg cuffs positioned proximal to the first and second side edges, respectively, and a first wetness guard in the first waist region.
  • the first wetness guard may comprise a first liquid impermeable material in a facing relationship with the topsheet and a second liquid permeable material forming a first portion of a wearer-facing surface of the absorbent article.
  • the absorbent article may comprise a second wetness guard in the second waist region.
  • the second wetness guard may comprise a third liquid impermeable material in a facing relationship with the topsheet and a fourth liquid permeable material forming a second portion of the wearer-facing surface of the absorbent article.
  • the first wetness guard overlaps a first portion of the absorbent core and the second wetness guard overlaps a second, different portion of the absorbent core.
  • the first wetness guard may be a discrete component that is joined to a first portion of the topsheet and/or first portions of the leg cuffs.
  • the second wetness guard may be a discrete component that is joined to a second portion of the topsheet and/or second portions of the leg cuffs.
  • the absorbent article may comprise a removable fastening member comprising a first surface, a second surface opposite to the first surface, a first end, a second end opposite to the first end, a first fastener comprising a first plurality of hooks on the first surface and positioned proximate to the first end, and a second fastener comprising a second plurality of hooks on the first surface and positioned proximate to the second end.
  • the absorbent article comprises an outer cover material joined to a non-absorbent core facing side of the backsheet.
  • the outer cover material or the backsheet may comprise a first graphic in the first waist region.
  • the outer cover material or the backsheet may comprise a second graphic in the second waist region.
  • the second graphic may be a mirror image of the first graphic relative to the central longitudinal axis to indicate reversibility of the absorbent article to a caregiver.
  • the various absorbent articles may be placed in packages.
  • the packages may be sold in arrays or on-line arrays.
  • FIG. 1 is a plan view of an example absorbent of the present disclosure
  • FIG. 2 is a plan view of an example absorbent article of the present disclosure, wearer-facing surface facing the viewer;
  • FIG. 3 is a plan view of the absorbent article of FIG. 2 , garment-facing surface facing the viewer;
  • FIG. 4 is a cross-sectional view of the absorbent article of FIG. 2 , taken about line 4 - 4 ;
  • FIG. 5 is a plan view of an example absorbent core for the absorbent articles of the present disclosure having an extended hourglass shape
  • FIG. 6 is a plan view of another absorbent article of the present disclosure, wearer-facing surface facing the viewer;
  • FIG. 7 is a left side view of an example absorbent article comprising a discrete fastening member of the present disclosure
  • FIG. 8 is another left side view of an example absorbent article of the present disclosure without a discrete fastening member
  • FIG. 9 is a perspective view of an example absorbent article of the present disclosure comprising crotch folds created by crotch narrowing joints;
  • FIG. 9A is a plan view of an example absorbent of the present disclosure.
  • FIG. 10 is a plan view of an example absorbent article of the present disclosure illustrating crotch notches
  • FIG. 11 is a plan view of an example absorbent article of the present disclosure, wearer-facing surface facing the viewer, and comprising two wetness guards;
  • FIG. 12 is a perspective view of an example absorbent article of the present disclosure, wearer-facing surface facing the viewer, and illustrating wetness guards;
  • FIG. 13 a is plan view of an example absorbent article of the present disclosure, wearer-facing surface facing the viewer, and illustrating two wetness guard configurations;
  • FIG. 14 is a plan view of an example absorbent article of the present disclosure, wearer-facing surface facing the viewer, and illustrating two wetness guard configurations;
  • FIG. 15 is a plan view of an example discrete wetness guard for use with the absorbent article of FIG. 14 ;
  • FIG. 16 is a plan view of an example absorbent article of the present disclosure, wearer-facing surface facing the viewer, and illustrating two wetness guard configurations;
  • FIG. 17 is a schematic illustration of how the sleeve type wetness guard of FIG. 16 would surround a portion of an absorbent article
  • FIG. 18 is a plan view of an example of a discrete fastening member for an absorbent article of the present disclosure, garment-facing surface facing the viewer;
  • FIG. 19 is a plan view of an example of a discrete fastening member for an absorbent article of the present disclosure, wearer-facing surface facing the viewer;
  • FIG. 20 is a cross-sectional view of the discrete fastening member taken about line 20 - 20 of FIG. 19 ;
  • FIG. 21 is a plan view of an example of a discrete fastening member for an absorbent article of the present disclosure, garment-facing surface facing the viewer;
  • FIG. 22 is a plan view of an example of a discrete fastening member for an absorbent article of the present disclosure, wearer-facing surface facing the viewer;
  • FIG. 23 is a plan view of an example absorbent article of the present disclosure having umbilical cord notches
  • FIG. 24 is a plan view of the example absorbent article of FIG. 23 , garment-facing surface facing the viewer;
  • FIG. 25 is a plan view of an example absorbent article of the present disclosure having umbilical cord projections
  • FIG. 26 is a plan view of the example absorbent article of FIG. 25 , garment-facing surface facing the viewer;
  • FIGS. 27-29 are schematic illustrations of absorbent articles showing graphics and/or indicia, with their garment-facing surfaces facing the viewer;
  • FIG. 30 is a plan view of an example insert positioned on a wearer-facing surface of an absorbent article
  • FIG. 31 is a plan view of an example insert for use with an absorbent article
  • FIG. 32 is a cross-sectional example illustration of the insert, taken about line 32 - 32 of FIG. 31 ;
  • FIG. 32A is another cross-sectional example illustration of the insert, taken about line 32 A- 32 A of FIG. 31 ;
  • FIG. 33 is a plan view of another example insert for use with an absorbent article
  • FIG. 34 is a plan view of another example insert for use with an absorbent article
  • FIG. 35 is a plan view of an example absorbent article, wearer-facing surface facing the viewer;
  • FIG. 36 is a perspective side view photograph of an example absorbent article
  • FIG. 37 is a plan view of an example absorbent article, wearer-facing surface facing the viewer;
  • FIG. 38 is a front perspective view of an example absorbent article
  • FIG. 39 is a side perspective view of an example absorbent article
  • FIG. 40 is a plan view of an example absorbent article, wearer-facing surface facing the viewer;
  • FIG. 41 is a plan view of an example absorbent article, wearer-facing surface facing the viewer;
  • FIG. 42 is a perspective view photograph of an absorbent article with folded over cuffs, wearer-facing surface facing away from the surface on which the absorbent article is resting;
  • FIG. 43 is a plan view of an absorbent article with folded over cuffs
  • FIG. 44 is an example cross-sectional view of the absorbent article prior to the cuffs being folded toward the longitudinal axis;
  • FIG. 45 is an example end view of the absorbent article of FIG. 43 before any tack down bonds are applied;
  • FIG. 46 is a top view of an instrument used in the Crotch Compression Force Measurement Test.
  • FIG. 47 is a side view the instrument used in the Crotch Compression Force measurement Test.
  • join and “joined” encompass configurations whereby an element is directly secured to another element by affixing the element directly to the other element, and configurations whereby an element is indirectly secured to another element by affixing the element to intermediate member(s) which in turn are affixed to the other element.
  • array means a display of packages comprising disposable absorbent articles of different sizes having like article constructions.
  • Packages for the absorbent articles have the same brand and/or sub-brand, and the packages are oriented in proximity to each other in a given area of a retail store.
  • An array is marketed as a line-up of products normally having like packaging elements (e.g., packaging material type, film, paper, dominant color, design theme, etc.) that conveys to consumers that the different individual packages are part of a larger line-up.
  • Arrays often have the same brand, for example, “Pampers®” In other instances, the arrays may have brands from the same manufacturer, such as “Pampers®” and Luvs®, for example.
  • Arrays also often have the same trademarks, including trademarks of the brand, sub-brand, and/or features and/or benefits across a line-up.
  • on-line array means an “array” distributed by a common on-line source.
  • FIG. 1 is a plan view of an absorbent article 10 folded about its lateral axis, garment-facing surface of a first waist region or a front waist region facing the viewer.
  • FIG. 2 is a plan view of the absorbent article 10 of FIG. 1 , with the absorbent article 10 laid flat with the elastics extended, wearer-facing surface facing the viewer.
  • FIG. 3 is a plan view of the absorbent article 10 of FIG. 2 , with the absorbent article 10 laid flat with the elastics extended, garment-facing surface facing the viewer.
  • FIG. 1 is a plan view of an absorbent article 10 folded about its lateral axis, garment-facing surface of a first waist region or a front waist region facing the viewer.
  • FIG. 2 is a plan view of the absorbent article 10 of FIG. 1 , with the absorbent article 10 laid flat with the elastics extended, wearer-facing surface facing the viewer.
  • FIG. 3 is a plan view of the absorbent article 10 of FIG. 2 , with the absorbent article 10 laid flat with the
  • the absorbent article 10 may comprise a lateral axis 12 , a longitudinal axis 14 , a first waist region or a front waist region 16 , a second waist region or a back waist region 18 , and a crotch region 20 .
  • the “first” and “second” waist regions 16 and 18 may be referred to in the claims since the absorbent article can be applied in either direction.
  • the absorbent article 10 may have a first wetness guard 22 and a second wetness guard 24 . In some instances, only one wetness guard may be provided on the absorbent articles of the present disclosure.
  • the single wetness guard may be provided on either side of the lateral axis 12 of the absorbent articles 10 .
  • the absorbent articles 10 may also comprise cuffs 26 or raised barriers for containing bodily exudates so that they may be absorbed by an absorbent core.
  • the absorbent articles 10 may comprise a first end edge 28 on a first side of the lateral axis 12 and a second end edge 30 on a second side of the lateral axis 12 .
  • the absorbent articles 10 may comprise a first side edge 32 on a first side of the central longitudinal axis 14 and a second side edge 34 on a second side of the central longitudinal axis 14 .
  • the absorbent articles 10 may comprise a liquid permeable material or liquid permeable topsheet 36 , a liquid impermeable material or liquid impermeable backsheet 38 , and an absorbent core 40 positioned at least partially intermediate the topsheet 36 and the backsheet 38 .
  • topsheet 36 , the backsheet 38 , and the absorbent core 40 may be manufactured of any suitable materials.
  • Suitable topsheet materials may comprise porous foams, reticulated foams, apertured plastic films, or woven or nonwoven webs of natural fibers (e.g., wood or cotton fibers), synthetic fibers (e.g., polyester or polypropylene fibers), non-apertured material, apertured materials, apertured nonwoven materials, apertured nonwoven materials that are produced using an overbonding and ring rolling process, or a material having a combination of natural and synthetic fibers. Spunbond high loft materials may also be used, whether apertured or non-apertured.
  • the topsheet 36 may have an embossed pattern, graphics, patterned, indicia, and/or three-dimensional features, either along with or instead of apertures.
  • the topsheet 36 may be a planar topsheet.
  • the topsheet may be a topsheet like that disclosed in U.S. Patent Application Publication No. 2015/0250662, to Isele et al., filed on Mar. 2, 2015 or in U.S. Patent Application Publication No. 2016/0136014, to Arora et al., filed on Nov. 5, 2015.
  • the topsheet may be hydrophobic or hydrophilic. If the topsheet is apertured, it may be desirably to have the topsheet by hydrophobic.
  • Suitable backsheet materials may comprise breathable materials or highly breathable materials that permit vapors to escape from the absorbent article 10 while still preventing, or at least inhibiting, bodily exudates from passing through the backsheet 34 (i.e., liquid impermeable materials). Such materials may comprise nonwoven materials, woven materials, films, and/or laminates comprising a combination of one or more of these materials. Other backsheet materials may be non-breathable materials, such as films, for example.
  • the MVTR of the laminate or backsheet may be in the range of about 500 g/m 2 /24 hr to about 5000 g/m 2 /24 hr, about 1000 g/m 2 /24 hr to about 4000 g/m 2 /24 hr, or about 2000 g/m 2 /24 hr to about 3000 g/m 2 /24 hr, specifically reciting all 0.1 g/m 2 /24 hr increments within the above-referenced ranges and all ranges formed therein or thereby.
  • the MVTR can be determined by placing a quantity of a hydrophilic material, such as calcium chloride, into a non-porous, open-top vessel (not shown) having an outwardly-extending flange around the vessel opening. A portion of the material for which the MVTR is to be determined is placed in overlying relationship relative to the vessel opening and is in contact with the flange of the vessel to completely cover the open end of the vessel. An annular gasket and an annular retaining ring are then placed over the material to be tested and are securely clamped to the vessel flange by any convenient clamping arrangement, to tightly and completely seal the periphery of the vessel opening in order that transmission of air or moisture vapor can only occur through the material being tested. The resulting assembly is then weighed to determine the initial weight of the vessel and its contents.
  • a hydrophilic material such as calcium chloride
  • the assembly is placed in a chamber having a constant temperature (40° C.) and a constant humidity (75% relative humidity).
  • the vessel is maintained under those atmospheric conditions for a period of five (5) hours, after which it is removed from the chamber, wrapped tightly with an impervious film to prevent transfer of moisture into and out of the vessel, and is allowed to reach thermal equilibrium with the ambient atmosphere in which the weigh balance is located. Thermal equilibrium is achieved in about 30 minutes, after which the film overwrap is removed from the vessel, which is again weighed to determine the final weight of the vessel and its contents.
  • the MVTR is calculated by the following formula, which provides the MVTR in g/m 2 /24 hr:
  • MVTR ( Final ⁇ ⁇ Wt ⁇ ⁇ ( gm ) - Initial ⁇ ⁇ Wt ⁇ ⁇ ( gm ) ) ⁇ 24.0 Sample ⁇ ⁇ Area ⁇ ⁇ ( sq . ⁇ meters ) ⁇ 5.0 ⁇ ⁇ hr .
  • a suitable absorbent core 40 for use in the absorbent articles 10 of the present disclosure may comprise any absorbent material 42 which is generally compressible, conformable, non-irritating to the wearer's skin, and capable of absorbing and retaining bodily exudates.
  • the configuration and construction of the absorbent core 40 may also be varied (e.g., the absorbent core(s) or other absorbent structure(s) may have varying caliper zones, hydrophilic gradient(s), a superabsorbent gradient(s), or lower average density and lower average basis weight acquisition zones; or may comprise one or more layers or structures).
  • the configuration and construction of the absorbent core 40 may be uniform and homogeneous, such that the absorbent article 10 can be reversible.
  • the absorbent material 42 may be uniform and homogeneous (i.e., not profiled).
  • the absorbent core 40 may have an hourglass shape, an extended hourglass shape, or rectangular shape, for example.
  • FIG. 5 is a plan view of an example absorbent core 40 having an extended (extended about the longitudinal axis 14 ) hourglass shape.
  • the absorbent material 42 may have an hourglass shape and the absorbent core 40 may be rectangular (i.e., the core bag is rectangular and the absorbent material 42 has an hourglass shape).
  • the absorbent material 42 and/or the absorbent core 40 as a whole may have a first width, in a direction parallel to the lateral axis 12 , in the first waist region 16 , may have a second width, in the direction parallel to the lateral axis 12 , in the second waist region 18 , and may have a third width, in the direction parallel to the lateral axis 12 , in the crotch region 20 .
  • the first and second widths may be greater than the third width.
  • the first and second widths may be the same, substantially the same, or different.
  • the absorbent material 42 may have the shape illustrated in FIG. 5 that is then surrounded by a rectangular core bag.
  • the absorbent material 42 may comprise superabsorbent polymers, foams, air-felt (cellulosic material), or mixtures thereof. In some forms the absorbent material 42 may comprise less than 30%, less than 35%, less than 40%, at least 40%, at least 50%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 98%, at least 99%, or 100% superabsorbent polymers, by weight of the absorbent material. In other forms, the absorbent material 42 may only comprise air-felt and may be free of, or substantially free of (e.g., less than 5% by weight of the absorbent material) any superabsorbent polymers.
  • the absorbent material 42 may have air-felt and less than 15% of superabsorbent polymers, less than 10% of superabsorbent polymers, less than 5% of superabsorbent polymers, less than 3% of superabsorbent polymers, or less than 1% of superabsorbent polymers.
  • the absorbent material 42 may comprise a mixture of air-felt and superabsorbent polymers (e.g., 30% to 70% air-felt and 30% to 70% superabsorbent polymers).
  • the absorbent material 42 may be enclosed in a core bag 44 .
  • the core bag 44 may comprise a first substrate 46 at least partially on a first side of the absorbent material 42 and a second substrate 48 at least partially on a second side of the absorbent material 42 .
  • the first substrate 46 may form a C-wrap around portions of the absorbent material 42 and the second material 48 to enclose the absorbent material 42 .
  • the core wrap may have any suitable configuration known to those of skill in the art.
  • the absorbent core 40 may comprise one or more absorbent material free areas or channels, or substantially absorbent material free areas (e.g., areas with substantially no superabsorbent polymers or air-felt).
  • first substrate 46 may be joined, bonded, or glued to the second substrate 48 in these areas or channels.
  • channels may be embossed into the absorbent core 40 .
  • the absorbent articles 10 may comprise one or more acquisition materials 50 .
  • the absorbent articles 10 may also comprise one or more optional distribution materials 51 ( FIG. 4 ) either between the topsheet 32 and the acquisition material 50 or between the acquisition material 50 and core bag 44 .
  • the acquisition material 50 and/or the distribution material 51 may extend the full width and/or length of the core bag 44 .
  • the acquisition material 50 and/or distribution material 51 may extend less than the full width and/or length of the core bag 44 .
  • the acquisition material 50 or the distribution material 51 may have a rectangular shape, an hourglass shape, or an extended hourglass shape, for example.
  • the acquisition material 50 may be used to aid the topsheet 36 in acquiring bodily exudates and moving the bodily exudates into the absorbent core 40 .
  • the distribution material 51 may help the absorbent articles 10 distribute bodily exudates above the absorbent core 40 .
  • the acquisition material may be a nonwoven material and the distribution material may be cross-linked cellulosic fibers, tissue, or another nonwoven material, for example. In some instances, only an acquisition material may be provided, only a distribution may be provided, or neither may be provided depending on the desired properties of a particular absorbent article.
  • the pair of cuffs 26 may extend at least partially between, or fully between, the first end edge 28 and the second end edge 30 .
  • the cuffs 26 may or may not have one or more elastics 52 .
  • the cuffs 26 may be pre-strained prior to being joined to the absorbent articles 10 so that they may still stand (i.e., extend upwardly) relative to the topsheet 36 .
  • the cuffs 26 that are free of elastics may not be pre-strained.
  • only a single pair of cuffs may be provided to aid in helping narrow the crotch region 20 . In some forms, referring to FIG.
  • a second pair of cuffs 27 may be provided in addition to the first pair of cuffs 26 .
  • the second pair of cuffs 27 may be free of elastics and may or may not be pre-strained.
  • each of the cuffs 26 or 27 may have one or more elastics 52 and 53 , respectively.
  • the elastics 52 and/or 53 may cause the cuffs to stand (i.e., extend upwardly) relative to the topsheet 36 .
  • the elastics 52 and 53 may have any suitable length along the longitudinal axis 14 .
  • the cuffs 26 (or 27 ) may each have three longitudinally extending folds (labeled F in FIG.
  • the cuffs 26 or 27 may have any suitable configuration.
  • the cuffs generally aid bodily exudate containment to the area of the absorbent core 40 and reduce side edge leakage. Contracted and/or standing portions of the cuffs 26 and/or 27 may be more prominent on a first side of the lateral axis 12 or the second side of the lateral axis 14 . In other instances, the contracted and/or standing portions of the cuffs 26 and/or 27 may be the same on both sides of the central lateral axis 12 . In some instances, the cuffs 26 and/or 27 may extend the same distance on each side of the central lateral axis 12 . In some instances, the absorbent articles 10 may not comprise any cuffs.
  • the absorbent articles 10 may not comprise any cuffs, but some form of raised barriers may be used in their place.
  • a pair of raised barriers may be attached to the topsheet 36 , positioned under the topsheet 36 , or formed from a portion of the topsheet 36 and/or acquisition or distribution materials.
  • the raised barriers may comprise flexible foams, liquid impermeable materials, nonwoven materials, films, and/or other suitable materials.
  • the raised barriers may be “raised” relative to the topsheet 36 and may act in a similar fashion as the cuffs 26 and 27 , thereby causing bodily exudates to remain over the absorbent core 40 such that they can be absorbed by the absorbent core 40 .
  • the raised barriers may have any suitable thickness measured in a direction parallel to the lateral axis 12 , such as 2 mm to 10 mm, for example. In some instances, one raised barrier may be provided and this single raised barrier may fully surround, or partially surround, the absorbent core 40 or portions thereof.
  • the raised barriers may be raised a suitable amount from the topsheet 36 to contain the bodily exudates within the absorbent articles 10 , such as in the range of 1 mm to 30 mm, or 2 mm to 20 mm, for example. Further details regarding raised barriers, including example structures and shape can be found in U.S. Patent Appln. Publ. No. 2014/0171898 to Greening I I, et al.
  • the raised barriers may be used with at least one pair of cuffs as well for better containment.
  • the cuffs may be positioned laterally inboard or laterally outboard of the raised barriers.
  • the raised barriers or the cuffs 26 , 27 may be referred to as “bodily exudate containment means”.
  • an outer cover nonwoven material 58 may be positioned on a non-absorbent core-facing side of the backsheet 38 .
  • the outer cover nonwoven material 58 may be joined to the backsheet 38 using an adhesive 56 , for example.
  • the outer cover nonwoven material 58 may be formed of one or more layers and typically may be a soft material.
  • the outer cover nonwoven material 58 may comprise a plurality of bonds, embossments, or three-dimensional features to provide a more consumer appealing appearance or for other reasons.
  • FIG. 7 is a side view of the absorbent article of FIG. 1 with a fastening member 100 .
  • FIG. 8 is a side view of the absorbent article of FIG. 1 without the fastening member 100 .
  • FIG. 9 is a perspective view of the absorbent article of FIG. 1 , garment-facing surface facing the viewer.
  • the absorbent articles 10 of the present disclosure may comprise a pair of crotch narrowing joints 60 in the crotch region 20 .
  • only one side of the crotch region 20 may comprise a crotch narrowing joint 60 .
  • the crotch narrowing joints 60 may be created when a wearer-facing portion of the outer cover nonwoven material 58 or a wearer-facing portion of the cuffs 26 or 27 (if a second set of cuffs is provided) is joined to a standing portion or other portion of the cuffs 26 or 27 (if a second set of cuffs is provided) or to a portion of the topsheet 36 .
  • the joint may be an adhesive bond, a mechanical bond, a thermal bond, and/or any other suitable type of bond, or joinder.
  • the crotch narrowing joints 60 may be formed by joining a wearer-facing portion of the backsheet 38 (or laminate comprising the backsheet 38 and outer cover nonwoven material 58 ) to a portion of the cuffs 26 or 27 or to a portion of the topsheet 36 .
  • portions of the outer cover nonwoven material 58 proximate to the first and second side edges 32 and 34 may be joined directly or indirectly to a portion of the cuffs 26 or 27 or a portion of the topsheet 36 .
  • the absorbent articles 10 are able to achieve a narrow folded crotch width, (“W” in FIG. 1 ) at or proximate to the lateral axis 12 .
  • This narrow folded crotch width may be especially important for premature babies for a number of reasons.
  • the smaller the folded crotch width the better the absorbent articles will fit them without applying any leg separating forces on their legs, thereby allowing the legs to rest in a comfortable position, such as near the body midline, for example.
  • the inner thigh areas of the legs of the baby may be in contact with portions of the cuffs and/or the backsheet.
  • the baby's inner thigh areas may be in contact with portions of the cuffs 26 and/or 27 and portions of the soft outer cover nonwoven material 58 , thereby providing a more comfortable wearer experience and at times reducing inner thigh chafing.
  • the crotch narrowing joints 60 cause portions of the crotch region 20 to fold inwardly toward the longitudinal axis 14 , when the elastics of the cuffs are at least partially relaxed, thereby creating crotch folds 61 .
  • these crotch folds 61 provide for the narrow folded crotch width W.
  • the crotch folds 61 also provide the absorbent article 10 with angled portions 63 in the crotch region 20 .
  • the angled portions 63 may have an angle in the range of about 10 degrees to about 80 degrees, about 15 degrees to about 75 degrees, about 20 degrees to about 70 degrees, about 30 degrees to about 60 degrees, about 40 degrees to about 60 degrees, relative to the lateral axis 12 , specifically reciting all 0.1 degree increments within the specified ranges and all ranges formed therein or thereby. All angles are measured according to the Folded Crotch Angle Test herein.
  • the absorbent core 40 may have an extended hourglass shape with leg notches 62 elongated in a direction parallel to the longitudinal axis 14 .
  • This feature allows for the legs (“L”) to be positioned at multiple locations within the leg notches 62 to fit different wearers and situations.
  • the legs of a wearer may be positioned more proximate to a first end edge 41 or more proximate to a second end edge 43 of the absorbent core 40 to suit certain situations or positions of the baby.
  • the acquisition materials 50 and/or distribution materials 51 may have a similar shape or a different shape.
  • the absorbent core 40 may have a width measured along its lateral axis 12 ′ in the range of about 5 mm to about 300 mm, about 10 mm to about 100 mm, about 15 mm to about 75 mm, about 15 mm to about 40 mm, about 15 mm to about 25 mm, or about 20 mm, specifically reciting all 0.1 mm increments within the specified range and all ranges formed therein or thereby.
  • the absorbent core 40 may have a width measured along either the first end edge 41 or the second end edge 43 in the range of about 15 mm to about 500 mm, about 20 mm to about 300 mm, about 25 mm to about 100 mm, about 30 mm to about 50 mm, about 35 mm to about 40 mm, or about 38 mm, specifically reciting all 0.1 mm increments within the specified range and all ranges formed therein or thereby.
  • crotch notches 64 may be cut out of the absorbent articles 10 , absorbent cores 40 thereof, and/or other components thereof (e.g., acquisition material 50 ) in areas proximate to the lateral axis 12 .
  • the crotch notches 64 may instead be formed in components of the absorbent articles before or during manufacture.
  • the crotch notches 64 may have any suitable size and shape to achieve a narrow folded crotch width. Some example shapes are illustrated in FIG. 10 .
  • the crotch notches 64 may be formed in the topsheet, the backsheet, the acquisition material, the outer cover nonwoven material, and/or portions of the cuffs, for example.
  • the crotch notches 64 may be used with the hourglass or extended hourglass shaped absorbent cores disclosed herein.
  • the acquisition material 50 and/or distribution material may also be hourglass shaped, for example.
  • the crotch notches 64 may be cut out so that a chassis of the absorbent article is hourglass shaped, or has an extended (along the longitudinal axis 14 ) hourglass shape.
  • the crotch narrowing joints 60 may be an optional feature. It has been discovered that a narrow Folded Crotch Width, in some instances, may still be achieved even without the crotch narrowing joints 60 .
  • This narrow Folded Crotch Width may be attributable to the elongated hourglass shapes of the absorbent core (see FIG. 5 ) in combination with elastic contraction from at least one pair of leg cuffs 26 , and possibly from two pairs of leg cuffs 26 and 27 . In such an instance, the absorbent article, in a folded configuration, may take on the example shape of FIG. 9A .
  • FIG. 9A illustrates the narrow Folded Crotch Width as “W”.
  • the folded crotch width (i.e., W in FIG. 1 ) measured according to the Folded Crotch Width Test herein, may be less than about 150 mm, less than about 100 mm, less than about 75 mm, less than about 50 mm, less than about 45 mm, less than about 50 mm, less than about 40 mm, less than about 35 mm, less than about 30 mm, less than about 25 mm, less than about 20 mm, or less than about 15 mm, depending on the size of the absorbent article 10 .
  • the folded crotch width measured according to the Folded Crotch Width Test herein, may be in the range of about 10 mm to about 150 mm, about 10 mm to about 100 mm, about 10 mm to about 75 mm, about 15 mm to about 50 mm, about 15 mm to about 45 mm, less than 45 mm, less than 40 mm, less than 35 mm, about 20 mm to about 40 mm, about 25 mm to about 35 mm, or about 15 mm to about 30 mm, for example, specifically reciting all 0.1 mm increments within the above-specified ranges and all ranges formed therein or thereby.
  • one or more wetness guards 22 , 24 may be provided on the absorbent article 10 .
  • the wetness guards 22 and 24 are provided to establish a barrier between the lower back, waist, and/or legs of the baby and portions of the topsheet 36 that are soiled with bodily exudates.
  • a first wetness guard 22 may be positioned on the first side of the central lateral axis 12 and a second wetness guard 24 may be positioned on the second side of the central lateral axis 12 .
  • only one wetness guard (either 22 or 24 ) may be provided in certain absorbent articles 10 .
  • wetness guards may also be provided either in addition to the wetness guards 22 and 24 , or in lieu of them.
  • some wetness guards may extend longitudinally at least partially between the first end edge 28 and the second end edge 30 .
  • the wetness guards 22 and 24 may have any suitable width (measured in a direction parallel to the central lateral axis 12 ) and the length (measured in a direction parallel to the central longitudinal axis 14 ).
  • the wetness guards 22 and 24 may have a first width and the absorbent articles 10 may have a second width.
  • the first width may be the same as or different than (larger or smaller) than the second width.
  • a wetness guard may only extend intermediate the cuffs 26 or the cuffs 27 and not extend all the way to the first and second side edges 32 and 34 .
  • one of the wetness guards 22 or 24 may have a first width and the other of the wetness guards 22 or 24 may have a second width.
  • the first and second widths may be the same or different.
  • one of the wetness guards 22 or 24 may have a first length (measured in a parallel to the central longitudinal axis 14 ) and the other of the wetness guards 22 or 24 may have a second length.
  • the first and second lengths may be the same or different.
  • the first wetness guard 22 may have a longer length than the second wetness guard 24 , or vice versa. In some instances, the wetness guards 22 and 24 may have the same length such that the absorbent article 10 may be reversible.
  • the first wetness guard 22 may overlap a first portion of the absorbent core and the second wetness guard 24 may overlap a second portion of the absorbent core.
  • the first wetness guard 22 may have a first end 66 and a second end 68 .
  • the first end 66 may be positioned proximate to the first end edge 28 of the absorbent article 10 .
  • the second end 68 may be positioned intermediate the first end edge 28 and the lateral axis 12 .
  • the second end 68 of the first wetness guard 22 is illustrated as being straight, it may also be concave or convex relative to the lateral axis 12 or may have any other suitable shape.
  • the first wetness guard 22 may be positioned over at least a portion of the topsheet 36 and may overlap or cross the longitudinal axis 14 . In other instances, the wetness guard 22 may be positioned over a portion of the topsheet 36 and portions of the cuffs 26 , 27 or the raised barriers.
  • a first portion 70 of the first wetness guard 22 may be joined to the cuffs 26 , 27 , the raised barriers, the topsheet 36 , and/or the backsheet 38 proximate to the first end edge 28 of the absorbent article 10 .
  • a second portion 72 of the first wetness guard 22 may be joined to the cuffs 26 , 27 , the raised barriers, the topsheet 36 , and/or the backsheet 38 proximate to the first side edge 32 of the absorbent article 10 .
  • a third portion 74 of the first wetness guard 22 may be joined to the cuffs 26 , 27 , the raised barriers, the topsheet 36 , and/or the backsheet 38 proximate to the second side edge 34 of the absorbent article 10 .
  • the joining may comprise using mechanical joining or adhesive joining, for example.
  • the joining may be intermittent or continuous.
  • the second end 68 may be free of attachment to the topsheet 36 , the cuffs 26 , 27 , and the raised barrier such that a pocket, 71 , is created at least between a non-wearer-facing surface of the first wetness guard 22 and the topsheet 36 .
  • the second end 68 may be joined to, or partially joined to, the topsheet 36 , the cuffs 26 , 27 , and/or the raised barriers, for example.
  • a pocket may also be created by the second wetness guard 24 in a similar fashion as the pocket 71 of the wetness guard 22 .
  • the second wetness guard 24 may have a first end 76 and a second end 78 .
  • the first end 76 may be positioned proximate to the second end edge 30 of the absorbent article 10 .
  • the second end 78 may be positioned intermediate the second end edge 30 and the lateral axis 12 .
  • the second end 78 of the second wetness guard 24 is illustrated as being straight, it may also be concave or convex relative to the lateral axis 12 or may have any other suitable shape.
  • the second wetness guard 24 may be positioned over at least a portion of the topsheet 36 and may overlap or cross the longitudinal axis 14 . In other instances, the wetness guard 24 may be positioned over the portion of the topsheet 36 and portions of the cuffs 26 , 27 or the raised barriers.
  • a first portion 80 of the second wetness guard 24 may be joined to the cuffs 26 , 27 , the raised barriers 56 , the topsheet 36 , and/or the backsheet 38 proximate to the second end edge 30 of the absorbent article 10 .
  • a second portion 82 of the second wetness guard 24 may be joined to the cuffs 26 , 27 , the raised barriers, the topsheet 36 , and/or the backsheet 38 proximate to the first side edge 32 of the absorbent article 10 .
  • a third portion 84 of the second wetness guard 22 may be joined to the cuffs 26 , 27 , the raised barriers, the topsheet 36 , and/or the backsheet 38 proximate to the second side edge 34 of the absorbent article 10 .
  • the joining may comprise using mechanical joining or adhesive joining, for example.
  • the joining may be intermittent or continuous.
  • the second end 78 may be free of attachment to the topsheet 36 , the cuffs 26 , 27 , and the raised barrier, such that a pocket (like pocket 71 of FIG. 12 ) is created at least between a non-wearer-facing surface of the second wetness guard 24 and the topsheet 36 .
  • the second end 78 may be joined to, or partially joined to, the topsheet 36 , the cuffs 26 , 27 , and/or the raised barriers, for example.
  • first and/or the second wetness guards 22 and 24 may be joined to the topsheet 36 , the cuffs 26 , 27 , the raised barriers, and/or the backsheet 38 at any suitable locations on a wearer-facing surface of the absorbent article 10 .
  • all, or some of the perimeters of the wetness guards 22 and 24 may be joined to the wearer-facing surface.
  • all or some of non-perimeter areas may be joined to the wearer-facing surface.
  • the two wetness guards 22 and 24 if both are provided, may be joined to a portion of the wearer-facing surface in the same fashion or in different fashions.
  • one or both of the wetness guards 22 and 24 may be discrete components that are not joined to the absorbent article 10 in a package, but instead are provided as a discrete component. Nurses or caregivers may then position the wetness guard or guards on portions of the wearer-facing surface of the absorbent articles 10 as appropriate.
  • the wetness guards 22 and 24 may have a space between themselves and the first and second end edges 28 and 30 . Stated another way, the most longitudinally outward portions of each wetness guard does not have to be positioned on the first end edges 28 or the second end edge 30 , but instead a gap may exist, such as a 0.5 inch gap, for example.
  • the wetness guards 22 and 24 may have the same construction or a different construction. Referring to FIGS. 2 and 4 , the wetness guard 22 and 24 may each comprise a laminate comprising a first liquid impermeable material (or substantially liquid impermeable material) 86 and a second liquid permeable material 88 . The wetness guards may also comprise other liquid permeable or impermeable layers. The layers 86 and 88 may be joined together in any suitable fashion, such as through the use of an adhesive 90 . The adhesive 90 may be continuous or discontinuous and may be slot coated or spirally applied, for example. The first liquid impermeable material 86 may comprise one or more nonwoven materials or films or a nonwoven and a film as a laminate.
  • the second liquid permeable material 88 may comprise one or more nonwoven materials or non-film materials.
  • the first liquid impermeable material 86 may face a portion of the topsheet 36
  • the second liquid permeable material 88 may face the wearer or form a portion of a wearer-facing surface of the absorbent article.
  • the first liquid impermeable material 86 may be used to create a barrier between the portion of the topsheet 36 under the wetness guards and the second liquid permeable material 88 to keep material 88 dry and sterile.
  • the second liquid permeable material 88 may be used to provide a lower back, waist, and/or legs of a baby with a soft, dry, sterile, and comforting surface.
  • the first and second wetness guards 22 and 24 may form a crotch receiving area 92 in the absorbent article 10 .
  • the crotch receiving area 92 is the area between the two wetness guards 22 and 24 where a baby's crotch area is positioned when the absorbent article 10 is positioned on the baby.
  • the crotch receiving area 92 between the first and second wetness guards 22 and 24 may be any suitable size (length or width) for a particular size baby.
  • a ratio of the surface area of the crotch receiving area 92 to the wetness guards 22 and 24 may be about 7:1, about 6:1, about 5:1, about 4:1, about 3:1, about 2:1, about 1:1, or about 0.5:1, or may be in the range of about 10:1 to about 1:1, specifically reciting all 0.1 increments of the ratios specified above and all ratios formed within the specified range.
  • the crotch receiving area 92 may have an area in the range of about 25 cm 2 to about 750 cm 2 , about 40 cm 2 to about 500 cm 2 , about 50 cm 2 to about 400 cm 2 , about 50 cm 2 to about 250 cm 2 , about 50 cm 2 to about 200 cm 2 , about 50 cm 2 to about 150 cm 2 , about 50 cm 2 to about 100 cm 2 , or about 60 cm 2 to about 80 cm 2 , for example, specifically reciting all 0.1 cm 2 increments within the specified ranges and all ranges formed therein or thereby.
  • the absorbent article when laid flat, elastic contraction pulled out, may have a length, in a direction parallel to a central longitudinal axis 14 , of less than 500 mm, less than 400 mm, less than 300 mm, less than 275 mm, but at least 100 mm.
  • the absorbent article, when laid flat, elastic contraction pulled out, may have a width, in a direction parallel to a central lateral axis 12 of less than 200 mm, less than 150 mm, less than 130 mm, less than 100 mm, but at least 50 mm.
  • the backsheet 38 and the outer cover nonwoven material 58 may extend beyond the first and second end edges 28 and 30 and be folded over the wearer-facing side of the absorbent article 10 .
  • the folded over portions of the backsheet 38 and the outer cover nonwoven 58 may be joined to the topsheet 36 , portions of the cuffs 26 , 27 , the raised barriers, and/or the backsheet 38 .
  • the folded over portion of the backsheet 38 may form the first liquid impermeable material 86 and the outer cover nonwoven material 58 may form the second liquid permeable material 88 of the wetness guards 22 and 24 .
  • the backsheet 38 and the outer cover nonwoven material 58 may not be joined to a portion of the wearer-facing surface, but instead may merely be folded over the wearer-facing surface.
  • first and/or second wetness guards 22 and 24 may be formed from discrete laminates each comprising the first liquid impermeable material 86 and the second liquid impermeable material 88 . These discrete laminates may be joined to the topsheet 36 , portions of the cuffs 26 , 27 , portions of the raised barriers, and/or to the backsheet 38 .
  • the absorbent article 10 may have a wearer-facing surface area (the entire wearer-facing surface including areas of the wetness guards) in the range of about 150 cm 2 to about 1,500 cm 2 , about 175 cm 2 to about 1,000 cm 2 , about 200 cm 2 to about 800 cm 2 , about 200 cm 2 to about 500 cm 2 , about 200 cm 2 to about 400 cm 2 , about 200 cm 2 to about 300 cm 2 , about 200 cm 2 to about 250 cm 2 , about 210 cm 2 to about 240 cm 2 , or about 225 cm 2 , for example, specifically reciting all 0.1 cm 2 increments within the specified ranges and all ranges formed therein or thereby.
  • the wetness guards 22 or 24 may have an area in the range of about 10 cm 2 to about 800 cm 2 , about 15 cm 2 to about 600 cm 2 , about 15 cm 2 to about 400 cm 2 , about 20 cm 2 to about 300 cm 2 , about 20 cm 2 to about 200 cm 2 , about 20 cm 2 to about 100 cm 2 , about 20 cm 2 to about 75 cm 2 , or about 25 cm 2 to about 70 cm 2 , for example, specifically reciting all 0.1 cm 2 increments within the specified ranges and all ranges formed therein or thereby.
  • the wetness guard 22 may have an area that is the same or different than the wetness guard 24 , if both are provided in an absorbent article.
  • the wetness guards 22 and 24 may only be attached to the first side edge 32 , the second side edge 34 , and/or a portion of the absorbent article 10 proximate to one of the side edges 32 and 34 , for example.
  • the wetness guards 22 and/or 24 may be attached to the outer cover nonwoven material 58 , the backsheet 38 , the topsheet 34 , one of the raised barriers, and/or one of the cuffs ( 26 or 27 ), for example.
  • the wetness guard 22 in FIG. 13 may be configured to be folded over into the position illustrated in, for example FIG. 2 .
  • the wetness guard 24 may have a similar configuration as the illustrated wetness guard 22 or may be provided as described with reference to FIG. 2 .
  • the wetness guard 22 (and/or the wetness guard 24 if provided in the same configuration) may comprise a fastener 23 , such as a plurality of hooks or an adhesive, for example, such that when the wetness guard 22 is folded over the absorbent article 10 , it can be joined by the fastener 23 to a portion of the wearer-facing surface of the absorbent article 10 .
  • the materials of the wetness guard 22 may be the same as or similar to that described above.
  • one or both of the wetness guards 22 and 24 may be a discrete component ( FIG. 15 ) from the absorbent article 10 ( FIG. 14 ) and may be configured to be placed on the absorbent article 10 , in for example, the positions illustrated in FIG. 2 , or in other positions as desired by the nurse or caregiver.
  • one wetness guard 22 may be a discrete component and the other wetness guard 24 may be joined to the cuffs 26 (or 27 ), the raised barrier, the topsheet 36 , and/or the backsheet 38 .
  • the discrete wetness guard or guards may be packaged with the absorbent articles 10 or may be packaged and/or sold separately.
  • the discrete wetness guard 22 (and/or the wetness guard 24 , if discrete) may have a first fastener 23 and a second fastener 25 .
  • the first and second fasteners 23 and 25 may be used to join the discrete wetness guard 22 to a portion of the wearer-facing surface of the absorbent article 10 as desired and maintain the wetness guard 22 in position during use of the absorbent article 10 .
  • the materials of the wetness guard may be the same as or similar to that described above.
  • the wetness guards 22 and 24 may be provided in a sleeve form.
  • the sleeve may be positioned on the absorbent article 10 in a package, positioned separately from the absorbent article 10 in the package, or may be sold in a separate package. Once positioned on the absorbent article, the sleeve may be moveable in the directions of arrows 94 and 96 to allow a nurse or caregiver to position the wetness guard 22 as desired.
  • one wetness guard 24 may be joined to the wearer-facing surface and another wetness guard 22 may take the form of a sleeve.
  • the materials of the wetness guard may be the same as or similar to that described above.
  • only portions of the wetness guard positioned over the wearer-facing surface may have the wetness guard constructions described herein, with other portions (i.e., portions wrapped around a non-wearer-facing surface 98 of the absorbent article 10 ) being constructed of other materials, such as nonwoven materials without films, for example.
  • FIG. 17 illustrates an example of how the wetness guard 22 in the form of a sleeve would surround the absorbent article 10 .
  • the absorbent articles 10 of the present disclosure may have one or more fastening members.
  • the fastening members may be related art fastening members (i.e., taped fastening members) that are permanently attached to the absorbent article 10 in the back waist region 18 and are engaged by fasteners (e.g., hooks) to a garment-facing surface of the front waist region or vice versa.
  • fasteners e.g., hooks
  • a landing zone may be provided on the garment-facing surface of the front waist region 16 for such engagement.
  • the fastening members may be fully removable fastening members 100 .
  • the fastening members may be stretch panels that may be discrete elements. Referring to FIGS.
  • the fastening members 100 may each comprise a first surface 102 , a second surface 104 , a first end 106 , and a second end 108 .
  • the first surface 102 may be opposite to the second surface 104 and the first end 106 may be opposite to the second end 108 .
  • the fastening members 100 may comprise a first fastener 110 configured to engage a first portion of the outer cover nonwoven material 58 or a first portion of a landing zone and positioned on the first surface 102 .
  • the absorbent article 10 may be free of a landing zone.
  • the fastening members 100 may comprise a second fastener 112 configured to engage a second, different portion of the outer cover nonwoven material 58 and positioned on the first surface 102 .
  • first fastening member 110 on the first surface 102 and the second fastening member 112 on the second surface 104 , so that the fastener can be folded into a loop to hold a tube, for example.
  • the first portion of the outer cover nonwoven material 58 may be in the front waist region 16 , the back waist region 18 , or the crotch region 20 .
  • the second portion of the outer cover nonwoven material 58 may be in the front waist region 16 , the back waist region 18 , or the crotch region 20 .
  • the fastener 110 may be positioned proximate to the first end 106 and the fastener 112 may be positioned proximate to the second end 108 .
  • only one fully removable fastening member 100 may be provided on an absorbent article 10 and the other fastening member may be permanently joined to the absorbent article on at least one of its ends.
  • the fastening members 100 are removable from the absorbent article 10 , they can be fastened as desired or as needed by a nurse or caregiver.
  • the nurse or caregiver may remove the fastening members 100 from the absorbent article 10 and not use them if the baby is in a certain position, for example.
  • the nurse or caregiver may only use one of the fastening members 100 if the baby is in another certain position, for example.
  • the fastening members 100 may comprise a first nonwoven or other substrate 114 , a second or other nonwoven substrate 116 , and an elastic material 117 positioned at least partially intermediate the first and second substrates 114 and 116 .
  • the elastic material may comprise an elastic nonwoven material, an elastic film, or elastic strands, for example.
  • the elastic material may be apertured or micro-apertured to promote breathability.
  • the fastening members may comprise one or more substrates and may not comprise an elastic material.
  • a middle portion 118 (e.g., between the first and second ends 106 and 108 ) of the fastening member 100 may define one or more slots 120 or apertures therein.
  • the slots or apertures 120 may have any suitable size and/or shape.
  • premature, NAS babies, and other babies are on feeding tubes, corded monitoring device (e.g., heart rate monitor), corded life support device, or the like. These tubes and cords may be positioned through the slots 120 or apertures to help hold the tubes and cords in place.
  • the middle portion 118 , or other portions, of the fastening member 100 may be formed of a highly breathable material, such as a highly breathable film, nonwoven, film/nonwoven laminate, or an apertured film or apertured nonwoven material, for example.
  • a first umbilical cord notch 122 may be defined in the first end edge 28 in the front waist region 16 and a second umbilical cord notch 124 may be defined in the second end edge 30 in the back waist region 18 .
  • the first and second umbilical cord notches 122 and 124 may have any suitable size, shape, and/or depth relative to the first and second end edges 28 and 30 , respectively. In some instances, only the first or the second umbilical cord notch may be provided.
  • the absorbent article 10 may be applied with the front waist region 16 on a front of a wearer or with the front waist region 16 on a back of the wearer. Stated another way, by providing the two umbilical cord notches, the absorbent article 10 may be reversible.
  • the longitudinal axis 14 (see e.g., FIG. 2 ) may extend through the umbilical cord notches.
  • first sides of the fastening members 100 may be permanently fixed to a portion of the back waist region 18 and may not be releasably joined to the absorbent article 10 .
  • the first side of the fastening members 100 may be permanently fixed to the portions of the back waist region 18 using one or more bonds 138 , lines of adhesives, or may be otherwise permanently fixed.
  • Second sides of the fastening members 100 may comprise fasteners used to join the second sides of the fastening member 100 to portion of the front waist region 16 .
  • the second sides of the fastening members 100 may be permanently fixed to the front waist region 16 and the first sides of the fastening members 100 may comprise fasteners used to join the first sides of the fastening members 100 to the back waist region 18 .
  • a first umbilical cord projection 126 may extend from the first end edge 28 in the front waist region 16 and a second umbilical cord projection 128 may extend from the second end edge 30 in the back waist region 18 .
  • the first and second umbilical cord projections 126 and 128 may have any suitable size, shape, and/or height relative to the first and second end edges 28 and 30 , respectively. In some instances, only the first or the second umbilical cord projection may be provided.
  • the absorbent article 10 may be applied with the front waist region 16 on a front of a wearer or with the front waist region 16 on a back of the wearer. Stated another way, by providing the two umbilical cord projections, the absorbent article 10 may be reversible.
  • the longitudinal axis 14 (see e.g., FIG. 2 ) may extend through the umbilical cord projections.
  • the umbilical cord projections may have one or more slots 130 or apertures defined therein.
  • the slots 130 or apertures may have any suitable size and/or shape.
  • premature, NAS babies, and other babies may be on feeding tubes, corded monitoring device (e.g., heart rate monitor), or the like. These tubes and cords may be positioned through the slots 130 or apertures to help hold the tubes and cords in place.
  • no umbilical cord notches or umbilical cord projections may be provided on an absorbent article (see e.g., FIGS. 1 and 2 ).
  • an umbilical cord notch may be provided on a first side of the lateral axis 12 and an umbilical cord projection may be provided on a second side of the lateral axis 12 .
  • the absorbent article on the baby may be as free of bodily exudates as possible to protect the baby's skin.
  • conventional wetness indicators may not function adequately owing to the high humidity environment of the incubators.
  • the present disclosure provides a way to solve these issues by providing the outer cover nonwoven material 58 and/or the backsheet 38 with a low opacity.
  • the outer cover nonwoven material 58 and/or the backsheet 38 are able to visually determine, without touching the baby, whether the absorbent articles need to be changed, thus not disturbing the baby if the absorbent article is not soiled or sufficiently soiled.
  • the opacity of the backsheet 38 may be in the range of about 10% to about 80%, about 15% to about 70%, about 20% to about 70%, or about 25% to about 70%, specifically reciting all 0.1% increments within the specified ranges and all ranges formed therein or thereby. All opacity % are determined using the Opacity Test herein.
  • the opacity of the outer cover nonwoven material 58 may be in the range of about 1% to about 50%, about 5% to about 30%, about 5% to about 25%, about 10% to about 20%, about 10% to about 15%, or may be less than about 30%, less than about 25%, less than about 20%, less than about 15%, or less than about 10%, specifically reciting all 0.1% increments within the specified ranges and all ranges formed therein or thereby. All opacity % are determined using the Opacity Test herein.
  • the opacity of both the backsheet 38 and the outer cover nonwoven material 58 measured as a laminate may be in the range of about 15% to about 95%, about 20% to about 80%, about 30% to about 70%, or about 40% to about 60%, specifically reciting all 0.1% increments within the specified ranges and all ranges formed therein or thereby. All opacity percentages are determined using the Opacity Test herein.
  • the absorbent article 10 may comprise a wetness indicator 132 , which may be positioned on a wearer-facing side of the backsheet 38 or in other suitable locations.
  • the wetness indicator may change colors or appear or disappear to indicate to nurses or caregivers that the absorbent article is soiled and needs changed.
  • the wetness indicator may change colors, appear, or disappear based on temperature changes (caused by bodily exudates entering the absorbent article) within the absorbent article 10 .
  • the absorbent article 10 may be free of a wetness indicator.
  • the absorbent articles 10 may comprise lotions, ointments, skin protecting ointments, vitamins, anti-bacterial treatments, anti-microbial treatments, anti-fungal treatments, on the topsheet 36 , leg cuffs 26 and/or 27 , and/or other components to promote skin health for the baby.
  • the absorbent articles of the present disclosure may be placed into packages.
  • the packages may comprise films, for example.
  • the packages may comprise indicia, brand names, claims, pictures, and/or graphics, relating to the absorbent articles.
  • the absorbent articles within the packages may have all or some of the features disclosed herein.
  • the packages may comprise absorbent articles with different features or sizes in the same package or in different packages.
  • a package may comprise a plurality of absorbent articles and a plurality of discrete fastening members and/or discrete wetness guards configured for use with the absorbent articles.
  • At least some of the plurality of fastening members may each comprise a first surface, a second surface opposite to the first surface, a first end, a second end opposite to the first end, a first fastener comprising a first plurality of hooks on the first surface and positioned proximate to the first end, and a second fastener comprising a second plurality of hooks on the first surface and positioned proximate to the second end.
  • the absorbent articles of the present disclosure may be sold or displaced in arrays or on-line arrays.
  • the arrays or on-line arrays may comprise different sizes of the absorbent articles or absorbent articles with different features.
  • the arrays or on-line arrays may also comprise the discrete fasteners or discrete wetness guards.
  • wetness guards 22 and 24 described herein may be used together, for example, a wetness guard that is discrete may be used with a wetness guard that folds over, or a wetness guard that is attached at only one side of the absorbent article 10 may be used with a permanent or discrete wetness guard.
  • Other features of the absorbent articles may be used in combination with any of the wetness guard configurations described herein.
  • the absorbent articles of the present disclosure may have a Crotch Compression Force in the range of about 0.4N to about 2.5N, about 0.4N to about 1.5N, about 0.5N to about 2.0N, about 0.6N to about 1.5N, about 0.7N to about 1N, about 0.8N to about 0.9N, about 0.75N to about 1N, or less than about 2.0N, less than about 1.8N, less than about 1.6N, less than about 1.5N, or less than about 1N, specifically reciting all 0.01N increments with the specified ranges and all ranges formed therein or thereby. All Crotch Compression Force measurements are made according to the Crotch Compression Force Measurement Test herein.
  • FIGS. 27-29 are schematic illustrations of absorbent articles 10 with graphics and/or indicia 134 , 136 (hereafter “graphics”), with their garment-facing surfaces facing the viewer.
  • the graphics 134 may be on a first side of the central lateral axis 12 and the graphics 136 may be on a second side of the central lateral axis 12 of the absorbent article 10 .
  • the graphics 134 and/or 136 may or may not cross the central longitudinal axis of the absorbent article 10 .
  • the graphics 134 and/or 136 may be a single graphic or multiple graphics that form a single image, multiple images, single patterns, or multiple patterns.
  • the graphics 134 may be a mirror image of the graphics 136 (or may be the same or substantially the same), relative to the central lateral axis 12 , to indicate reversibility of the absorbent article to a caregiver or wearer. In other instances, the graphics 134 may not be a mirror image of the graphics 136 , relative to the central lateral axis 12 . Referring to FIG. 29 , the graphics 134 and/or 136 may be at least partially comprised of brand names, characters, and/or logos. The graphics 134 and/or 136 may be printed on, positioned on, and/or applied to the backsheet 38 and/or the outer cover nonwoven material 58 , for example.
  • the outer cover nonwoven material 58 may have an opacity such that the graphics 134 and 136 are viewable therethrough.
  • the graphics 134 and 136 may be on a garment-facing side of the backsheet 38 and/or the wearer-facing side of the backsheet 38 .
  • the graphics 134 may also be printed on, or otherwise applied to, a landing zone in the front waist region 16 .
  • the graphics 136 may be printed on, or otherwise applied to, a landing zone in the back waist region 18 . By providing two landing zones, the caregiver is able to recognize that the absorbent article 10 is reversible.
  • the landing zones may be a separate material joined to the outer cover nonwoven material 58 or may be formed by portions of the outer cover nonwoven material 58 .
  • the absorbent article 10 may be reversible. Stated another way, a baby's (or wearer's) back waist region may be positioned adjacent to graphics 134 or 136 depending on how the absorbent article 10 is donned on the baby. If the absorbent article 10 is meant to be reversible, the absorbent material 42 within the absorbent core 40 , in some instances, may be uniform and homogeneous. The absorbent core 40 may also be longitudinally centered in the absorbent article to aid in reversibility of the absorbent article.
  • the graphics may indicate where fasteners (e.g., 110 , 112 ) may be attached (e.g., landing zone) on the garment-facing surface to provide a caregiver with a guide as to proper application of the fasteners and, thereby, a proper application of the absorbent article 10 .
  • one or more inserts 140 may be provided for use with the absorbent article 10 .
  • the one or more inserts 140 may be packaged together with the absorbent article 10 or packaged and sold separately.
  • One or more inserts 140 and one or more absorbent articles 10 may be in a kit.
  • the one or more inserts 140 may be positioned within the absorbent article 10 after the absorbent article 10 is donned on the wearer or before the absorbent article 10 is donned on the wearer.
  • the inserts 140 essentially provide an additional absorbent containment element that may be used prior to soiling the absorbent article 10 or after soiling of the absorbent article 10 .
  • the inserts 140 may be advantageous in that the baby or wearer may not need to be fully changed and, thereby, moved or handled less, compared to if only the absorbent article 10 was used. Multiple inserts may be used at one time, so that once soiled the most wearer-facing insert may be removed.
  • the inserts 140 may be fastening or joined to the wearer-facing surface of the absorbent article 10 or to a wearer-facing surface of another insert using any suitable joining techniques.
  • the inserts 140 may merely be placed on the wearer-facing surface of the absorbent article 10 or the wearer-facing surface without some separate attachment or joining mechanism. In these instances, the inserts 140 may remain in place by friction or merely by weight of the baby.
  • At least portion of the inserts may have low coefficients of friction to allow them to slide over a portion of a wearer-facing surface of the absorbent article 10 , when being inserted into the absorbent article while it is on a wearer.
  • the inserts are helpful as full absorbent article changes may be reduced, thereby leading to less stress on (i.e., less movement of) a baby or premature baby.
  • FIG. 30 is a plan view of the insert 140 positioned on a wearer-facing surface of an absorbent article 10 of the present disclosure.
  • FIG. 31 is a plan view of the insert.
  • FIG. 32 is a cross-sectional illustration of the insert 140 of FIG. 31 , taken about line 32 - 32 .
  • FIG. 33 is a plan view of another insert 140 ′.
  • FIG. 34 is a plan view of another insert 140 ′′.
  • the inserts 140 may comprise a topsheet 142 , an optional acquisition material and/or distribution material 144 , an absorbent core 146 , a backsheet 148 , and optionally an outer cover nonwoven material 150 .
  • the topsheet 142 may be formed of one or more nonwoven materials, one or more films, or a laminate formed of one or more nonwoven materials and one or more films.
  • the topsheet 142 may comprise a liquid permeable material or apertures 152 defined in the topsheet 142 may make the topsheet 142 liquid permeable or more liquid permeable.
  • the topsheet 142 may also comprise three-dimensional features, embossments, bond patterns, lotions, and/or surfactants, for example.
  • the acquisition material and/or distribution material 144 may be formed of nonwoven materials, foams, or other suitable materials.
  • the acquisition material and/or distribution material 144 is only illustrated in FIG. 32 , since it is an optional feature.
  • a layer of cross-linked cellulosic fibers may also be present intermediate the topsheet 142 and the acquisition material and/or distribution material 144 .
  • the absorbent core 146 may comprise an absorbent material.
  • the absorbent material may comprise airfelt and superabsorbent polymers, mostly or only airfelt, or mostly or only superabsorbent polymers.
  • the absorbent core 146 may have areas that are free of the absorbent material (e.g., channels that are free of the absorbent material) or may have areas where the absorbent material is densified (e.g., channels that are formed by densified areas in the absorbent material).
  • the backsheet 148 may be liquid impermeable, and may or may not be air permeable (or “breathable”). In some instances, the backsheet 148 may not be provided and bodily exudates that are not absorbed by the absorbent core 146 may pass through the insert 140 and into the absorbent articles 10 .
  • the outer cover nonwoven material 150 may or may not be provided and may be formed of a nonwoven material, for example.
  • the insert 140 may have the cross section illustrated when taken about line 32 A- 32 A of FIG. 31 .
  • the topsheet 142 may form a C-wrap around end regions of the backsheet 148 and be joined to the backsheet 148 using adhesive bonds 149 , or other types of joining.
  • a portion of the backsheet 148 may rest on the topsheet 36 of the absorbent article 10 .
  • a portion of the backsheet 148 may form a garment-facing surface of the insert.
  • An optional acquisition material and/or distribution material 144 may be provided.
  • the insert of FIG. 32A may, in some instances, have an outer cover nonwoven material as well.
  • an insert 140 ′ is illustrated.
  • This example insert 140 ′ has a grasp tab 154 on one end and a cut out 156 on the other end.
  • the grasp tab 154 may be used by a caregiver to easily grasp and remove the insert 140 ′.
  • the grasp tab 154 in an example, may be formed only of a backsheet material, or other liquid impermeable material, so that bodily exudates cannot wick to the grasp tab 154 . In other instances, the grasp tab 154 may be formed of a portion of the topsheet 142 , a portion of the backsheet 148 , and/or a portion of the outer cover nonwoven material 150 .
  • any of the inserts described herein may be manufactured in a strip of a plurality of the inserts and may be packaged as a roll of inserts, for example. Lines of weakness 158 may be formed intermediate the various inserts. In such an instance, a roll of a plurality of inserts may be provided to a caregiver or nurse and the caregiver or nurse can then tear off any suitable number of inserts for use on a particular wearer.
  • the inserts may also be packaged in stacks, for example, or in other forms.
  • the insert 140 ′′ is illustrated.
  • the example insert 140 ′′ may have a grasp tab 154 on both ends to allow for easier caregiver or nurse placement and removal of the inserts 140 ′′.
  • the various inserts may comprise stiffening members or stiffened portions (e.g., foams, densified regions) to aid in application of the inserts into a donned absorbent article 10 .
  • stiffening members or stiffened portions e.g., foams, densified regions
  • the absorbent articles may be free of fragrances, perfumes, and/or lotions.
  • one or more components of the absorbent articles, such as the topsheet, for example may be free of fragrances, perfumes, and/or lotions,
  • the elastics 52 may extend the full longitudinal direction, substantially the full longitudinal direction, or only part of the full longitudinal direction of the absorbent article 10 .
  • the elastics 52 may only be joined to the cuffs 26 in a joined area 222 .
  • the elastics 52 may not extend the full longitudinal direction of the absorbent article 10 after the absorbent article is separated from other absorbent articles at the first end edge 28 and at the second end edge 30 .
  • the elastics 52 may “snap back” toward the joined area 222 . Portions of the elastics 52 outside of the joined area 222 may be free of joinder to the cuffs 26 , thereby not applying elastic forces to areas of the cuffs 26 outside of the joined area 222 .
  • the joined area 222 may be centrally located on the elastics 52 in the longitudinal direction (i.e., a direction about the longitudinal axis 20 ). Stated another way, the joined area 222 may exhibit symmetry with respect to the lateral axis 12 . In other cases, the joined area 222 may not exhibit symmetry with respect to the lateral axis 12 or may not even cross the lateral axis 12 . In this instance, the joined area 222 may be fully positioned on a first side of the lateral axis 12 or may be fully positioned on a second side of the lateral axis 12 . More than one joined area 222 may exist for a single cuff 26 .
  • one joined area may be on the first side of the lateral axis 12 and a second joined area may be on a second side of the lateral axis 12 .
  • the joined areas 222 may have a length extending in a direction generally parallel to the longitudinal axis 14 of about 0.25 inches to about 10 inches, about 0.5 inches to about 7 inches, about 1 inch to about 6 inches, about 1 inch to about 5 inches, or about 1 inch to about 4 inches, specifically reciting all 0.1 inch increments with the specified ranges and all ranges formed therein or thereby.
  • the certain longitudinal length of the joined areas 222 in a particular absorbent article 10 may depend on the size of the absorbent article 10 and/or the intended use of the absorbent article 10 .
  • the joined area 222 may comprise one or more adhesives and/or one or more mechanical, ultrasonic, and/or thermal bonds, for example, to join the elastics 52 in the joined area 222 to the cuffs 26 .
  • the joined areas 222 are illustrated as a rectangular block for illustration purposes only, and other suitable shapes are within the scope of the present disclosure.
  • the elastics 52 may be under a pre-strain when joined to the cuffs 26 to activate the joined areas 222 when the pre-strain is released. In some instances, the elastics 52 may only extend longitudinally through the joined area 222 and may be pre-strained.
  • the cuffs 26 may be formed of one or more materials or nonwoven materials. If only one material is used, that material may be folded over itself to enclose the elastics 52 .
  • the joined area 222 may be two or more discrete bonds 222 ′ with pre-strained elastics 52 P therebetween as illustrated in FIG. 37 .
  • the elastics 53 if provided, may have the same or different features as the elastics 52 described in this paragraph. In other instances, only the elastics 53 may have the features described in this paragraph with respect to the elastics 52 .
  • the absorbent pad may form a U-like shape by bringing the first end edge 28 towards the second end edge 30 . This may provide better bodily exudate containment.
  • An example absorbent article having this U-like shape is illustrated in FIG. 36 .
  • the joined areas 222 may not be provided and the cuffs may comprise a first nonwoven substrate or a first substrate and a second nonwoven substrate or a second substrate.
  • the first and second nonwoven substrates may be joined to each other at different longitudinal pre-strain forces. As such, when these pre-strain forces are released, the cuff may contract and form a structure like the top absorbent article of FIG. 36 .
  • One pre-strain force in one of the first and second substrates may be negligible or may be zero.
  • an absorbent article 10 may have cuffs 26 with a certain elastic configuration.
  • the elastics 52 and/or 53 may or may not have the joined areas 222 , 222 ′ discussed above.
  • the elastics 52 may each have a first bond 224 proximate to the first end edge 28 and a second bond 226 positioned more distal from the first end edge 28 than the first bond 224 .
  • the elastics 52 may also each have a third bond 228 proximate to the second end edge 30 and a fourth bond 130 positioned more distal from the second end edge 30 than the third bond 228 .
  • the elastics 52 may be cut (example cut lines “CL” illustrated in dash in FIG.
  • the elastics 52 may also be cut intermediate the fourth bond 230 and the joined area 222 .
  • the bonds 224 and 226 owing to contraction of the elastic 52 therebetween, may cause the first end edge 28 to curl or fold over a portion of the wearer-facing surface proximate to the first end edge 28 .
  • the bonds 228 and 230 owing to the contraction of the elastic 52 therebetween, may cause the second end edge 30 to curl or fold over a portion of the wearer-facing surface proximate to the second end edge 30 .
  • FIG. 38 is a perspective front view of a curled or folded over portion of an absorbent article in the front waist region.
  • FIG. 39 is a perspective view of the curled or folded over portion of an absorbent article in the front waist region.
  • the back waist region may also have the curling or folded over features in the example absorbent articles of FIGS. 38 and 39 . These features may be used with or without the various wetness guards 22 , 24 disclosed herein.
  • these curled or folded over portions may be used to create the wetness guards 22 , 24 when they are curled or folded over.
  • the curled or folded over portions may be tacked, bonded, and/or glued to the wearer-facing surface to hold them in place.
  • the elastics 53 of the cuffs 27 if provided, may have the similar or the same features as the elastics 52 of the cuffs 26 described in this paragraph.
  • the bonds 224 , 226 , 228 , and 230 may comprise adhesive bonds, mechanical bonds, ultra-sonic bonds, and/or thermal bonds, for example.
  • One or more tack down bonds 221 may also be present on the absorbent article 10 .
  • the tack down bonds 221 may be used to join the cuffs 26 to the topsheet or to other portions of the absorbent article 10 .
  • a continuous bond 232 may be provided in at least one end region of the elastics 52 .
  • the continuous bond 232 may function like the first, second, third, and fourth bonds 224 , 226 , 228 , and 230 described above and may result in curled or folded portions illustrated in FIGS. 38 and 39 .
  • the continuous bonds 232 may comprise adhesive bonds, mechanical bonds, ultra-sonic bonds, and/or mechanical bonds, for example. Continuous bonds may also be provided on the elastics 53 of the cuffs 27 , if provided.
  • the elastics may be pre-strained before the continuous bond is applied such that elastic contraction within the continuous bonds may cause the end portions to curl or fold over.
  • portions of the absorbent core 40 , the absorbent material 42 within the absorbent core 40 , and/or other layers of the absorbent articles may comprise one or more fold lines 233 to allow easier folding of portions of the absorbent articles 10 .
  • the fold lines 233 may be areas with reduced or no absorbent material 42 or embossed areas, for example.
  • the fold lines may be at any suitable locations within the absorbent core 40 and/or the absorbent article 10 .
  • the fold lines may be helpful to a caregiver or nurse when situating the absorbent pad 10 at least partially around a baby, for example.
  • the cuffs may be made online or by hand.
  • a first nonwoven web or a first web may be advanced (e.g., on a conveyor) in a machine direction.
  • One or more elastics may be applied in a pre-strained condition to the first nonwoven web.
  • the pre-strained elastic may have the same machine direction length as the first nonwoven web.
  • the pre-strained elastic may be joined to the first nonwoven web in a plurality of joined areas 222 (e.g., one or more joined areas per discrete cuff length). In some instances, the pre-strained elastic may only be joined to the first nonwoven web in the joined areas 222 .
  • the joining may use adhesives or bonds, as discussed herein.
  • the remainder of the elastic outside of the joined areas 222 may be free of joinder to the first nonwoven web.
  • the first nonwoven web may then be folded over itself to enclose the elastic.
  • a second nonwoven web or second web may be positioned over the first nonwoven web and may be joined to the first nonwoven web to enclose the elastic.
  • the second nonwoven web may also be joined to the elastic in the joined areas 222 .
  • the formed web of cuffs may then be cut to suitable discrete lengths.
  • the elastic in each cuff may “snap back” towards the joined areas 222 , leaving the elastic only pre-strained in the joined area, with the remainder of the elastic being non-pre-strained and not attached to the first and/or second nonwoven discrete webs.
  • the cuffs may then be attached to an absorbent article.
  • the structure of FIG. 36 may be created.
  • the first nonwoven web may first be joined to a moving web comprising a topsheet, a backsheet, and an absorbent core positioned at least partially therebetween, among other components (e.g., an acquisition layer positioned intermediate the topsheet and the absorbent core).
  • the cuffs and the moving web may be cut into discrete absorbent articles at the same time.
  • the elastics may also be joined to the first and/or second nonwoven webs at bonds (e.g., bonds 224 , 226 , 228 , and 230 or continuous bonds 232 ). These features may apply in a single web cuff that is folded over itself or to a two web cuff. Also, the elastics may only be joined to the first and/or second nonwoven webs at the bonds and not in the joined areas 222 .
  • portions of the elastics intermediate the bonds will remain pre-strained after the elastics are cut intermediate bond pairs (e.g., “CL” of FIG. 37 ) and after the cuffs are cut into suitable discrete lengths. This may cause the pre-strained elastic portions intermediate the bonds (e.g., 224 and 226 ), to contract upon release of the pre-strain force and cause the curling or folding of longitudinal end portions as illustrated in FIGS. 38 and 39 .
  • FIGS. 42-45 a pair of cuffs 326 may be integrally formed in the absorbent article 10 by folding the first and second side edges 32 and 34 inwardly toward the longitudinal axis 14 .
  • FIG. 42 is a perspective view photograph of an absorbent article with folded over cuffs.
  • FIG. 43 is a plan view of an absorbent article 10 with folded over cuffs 326 .
  • FIG. 44 is an example cross-sectional view of the absorbent article 10 prior to the cuffs 326 being folded toward the longitudinal axis 14 .
  • FIG. 45 is an example end view of the absorbent article 10 of FIG. 43 before any tack down bonds are applied.
  • the absorbent article 10 comprises a topsheet 36 , an absorbent core 40 , a backsheet 38 , and an outer cover nonwoven material 58 .
  • the absorbent core 40 is disposed at least partially between the topsheet 36 and the backsheet 38 .
  • Elastics 352 may also be positioned intermediate the topsheet 36 and the backsheet 38 or may be positioned intermediate the backsheet 38 and the outer cover nonwoven material 58 .
  • Portions of the topsheet 36 , the backsheet 38 , and the outer cover nonwoven material 58 may be folded towards the longitudinal axis 14 to create a structure like that illustrated in FIGS. 43 and 45 .
  • the elastics 352 may only be joined to the cuff 326 in a joined area 322 , much like joined area 222 .
  • the joined area 322 may comprise an adhesive that joins the elastics 352 to the topsheet 36 and/or backsheet 38 (or to the backsheet 38 and/or the outer cover nonwoven material 58 ).
  • One or more tack down bonds 321 (similar to tack down bonds 221 described herein) may also be present on the absorbent article 10 proximate to the first end edge 28 and the second end edge 30 .
  • the tack down bonds 321 may be used to hold the ends of the cuffs 326 in the folded over configuration.
  • the elastics 352 may not be provided and the cuffs 326 may “stand” because of the tack down bonds 321 . Any suitable number of tack down bonds 321 may be provided.
  • the tack down bonds 321 in combination with the joined area 322 of the elastics 352 may cause the cuffs 326 to “stand” more than without the elastics 352 and the joined area 322 as illustrated in FIG. 42 .
  • the elastics 352 may be joined to the topsheet 36 and/or backsheet 38 (or to the backsheet 38 and/or the outer cover nonwoven material 58 ) along their full length or along most of their length.
  • Other features, such as the wetness guards 22 , 24 , for example, of the absorbent articles 10 described herein may also be used with the absorbent article of FIGS. 42-45 .
  • One or more acquisition materials and/or distribution materials may also be provided at least partially intermediate the topsheet 36 and the absorbent core 40 , similar to acquisition material 50 and distribution material 51 described herein.
  • A. An absorbent article comprising:
  • a crotch region extending intermediate the first waist region and the second waist region and crossing the central lateral axis;
  • topsheet a liquid permeable, apertured topsheet, wherein the topsheet is hydrophobic
  • an absorbent core positioned at least partially intermediate the acquisition material and the liquid impermeable backsheet, wherein the absorbent core comprises an absorbent material, wherein the absorbent material has a first width, in a direction parallel to the central lateral axis, in the first waist region, wherein the absorbent material has a second width, in the direction parallel to the lateral axis, in the second waist region, wherein the absorbent material has a third width, in the direction parallel to the lateral axis, in the crotch region, and wherein the first width and the second width are greater than the third width;
  • first wetness guard in the first waist region, wherein the first wetness guard comprises:
  • a second wetness guard in the second waist region wherein the second wetness guard comprises:
  • a removable fastening member comprising:
  • the Crotch Compression Force Measurement Test is measured using a horizontally oriented constant rate of extension tensile tester ( FIGS. 46 and 47 ) with a computer interface (a suitable instrument is a horizontally oriented MTS Criterion 42 interfaced with a computer running TestWorks 4 software, as available from MTS Systems Corp., Eden Prairie, Minn.) using an S-beam type load cell, with moment or off-axis side load cancelling capabilities, for which the forces measured are within 10% and 90% of the limit of the cell.
  • Two vertically oriented cylindrical posts 1001 and 1002 ), each with a diameter of 7.0 mm, are utilized to compress the sample.
  • One post is affixed to the moveable crosshead ( 1003 ), and the other is affixed to a moveable sled ( 1004 ) as part of the stationary test fixture.
  • the absorbent article sample is suspended between the vertical compression posts.
  • the posts are then simultaneously brought together, compressing the crotch region of the sample, simulating the compression at the crotch region of an absorbent article from the legs of the wearer during normal use.
  • the instrument collects force and distance data. All testing is performed in a conditioned room maintained at about 23° C. ⁇ 2 C and about 50% ⁇ 2% relative humidity.
  • Opacity by contrast ratio measurements are made using a 0°/45° spectrophotometer suitable for making standard CIE L*a*b* color measurements (e.g., Hunterlab Labscan XE spectrophotometer, Hunter Associates Laboratory Inc., Reston Va. or equivalent).
  • the diameter of the instrument's measurement port should be chosen such that only the region of interest is included within the measurement port. Analyses are performed in a room controlled at about 23° C. ⁇ 2 C.° and 50% ⁇ 2% relative humidity.
  • Opacity is calculated by dividing the Y value measured using the black tile as backing, divided by the Y value measured using the white tile as backing, then multiplying the ratio by 100. Record the opacity value to the nearest 0.01%. Calculate opacity for the 10 replicates and report the average opacity to the nearest 0.01%.
  • the Folded Crotch Width (W) (see FIG. 1 ) is measured by folding an absorbent article sample so that the front and back waist edges are aligned, and so that corresponding lateral edges are aligned with each other. Using a calibrated ruler certified by NIST, measure and record the lateral width of the outer surface of the sample along the fold to the nearest 0.1 mm. Repeat this procedure for 10 substantially similar absorbent articles samples. Average together the 10 individual Folded Crotch Width (W) measurements and report the value nearest 0.1 mm.
  • the Folded Crotch Angle (A) (see FIG. 1 ) is measured by folding an absorbent article sample so that the front and back waist edges are aligned, and so that corresponding lateral edges are aligned with each other. Using a calibrated protractor certified by NIST measure, and record the angles (A) of the two angled portions 63 (see FIG. 1 ) of the sample relative to the lateral axis of the folded sample to the nearest 0.1 degrees. Repeat this procedure for 10 substantially similar absorbent article samples. Average together the 20 individual Folded Crotch Angle (A) measurements and report the value nearest 0.1 degrees.

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EP17709276.4A EP3419575B1 (de) 2016-02-25 2017-02-23 Konfigurierbare saugfähige artikel
CN201780012174.1A CN108697546B (zh) 2016-02-25 2017-02-23 可配置吸收制品
US16/214,255 US11344454B2 (en) 2016-02-25 2018-12-10 Configurable absorbent articles

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