WO1994023761A2 - Improved absorbent members having improved fluid distribution via low density and basis weight acquisition zones - Google Patents
Improved absorbent members having improved fluid distribution via low density and basis weight acquisition zones Download PDFInfo
- Publication number
- WO1994023761A2 WO1994023761A2 PCT/US1994/003073 US9403073W WO9423761A2 WO 1994023761 A2 WO1994023761 A2 WO 1994023761A2 US 9403073 W US9403073 W US 9403073W WO 9423761 A2 WO9423761 A2 WO 9423761A2
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- WO
- WIPO (PCT)
- Prior art keywords
- acquisition
- absorbent
- zone
- layer
- storage layer
- Prior art date
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- 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
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- A—HUMAN NECESSITIES
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- 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
- A61F13/53—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 absorbing medium
- A61F2013/530481—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 absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
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- A—HUMAN NECESSITIES
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- A61F13/00—Bandages or dressings; Absorbent pads
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- A61F2013/530481—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 absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
- A61F2013/530569—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 absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the particle size
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- A61F13/00—Bandages or dressings; Absorbent pads
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- A61F13/53—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 absorbing medium
- A61F13/534—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 absorbing medium having an inhomogeneous composition through the thickness of the pad
- A61F13/537—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 absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
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- A61F2013/53721—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 absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction with capillary means
- A61F2013/53726—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 absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction with capillary means on the top layer
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- 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
- A61F13/56—Supporting or fastening means
- A61F13/58—Adhesive tab fastener elements
- A61F2013/588—Adhesive tab fastener elements on waist panels
Definitions
- the topsheet 38 has a weight from about 18 to about 25 grams per square meter, a minimum dry tensile strength of at least about 400 grams per centimeter in the machine direction and a wet tensile strength of at least about 55 grams per centimeter in the cross-machine direction.
- the elastic members 44 may be affixed to the diaper in any of several ways which are known in the art.
- the elastic members 44 may be ultrasonically bonded, heat and pressure sealed into the diaper 20 using a variety of bonding patterns or the elastic members 44 may simply be glued to the diaper 20.
- the absorbent member 42 is positioned between the topsheet 38 and the backsheet 40 to form the diaper 20.
- the absorbent members of the present invention are fibrous webs or batts which comprise both entangled masses of fibers and particles of absorbent gelling material.
- the absorbent member 42 is generally compressible, conformable, non-irritating to the wearer's skin, and capable of absorbing and retaining liquids and certain body exudates. It should be understood that for purposes of this invention that an absorbent member comprises at least two structural elements or layers, but is not necessarily limited to two layers or sheets of materials. Thus, the absorbent member 42 may actually comprise laminates or combinations of several sheets or webs of the requisite types of materials as hereinafter described.
- the slightly cross-linked, absorbent gelling materials which may be used in the structures of the present invention are generally employed in their partially neutralized form.
- such materials are considered partially neutralized when at least 25 mole percent, and preferably at least 50 mole percent of monomers used to form the polymer are acid group-containing monomers which have been neutralized with a salt-forming cation.
- Suitable salt-forming cations include alkali metal, ammonium, substituted ammonium and amines. This percentage of the total monomers utilized which are neutralized acid group-containing monomers is referred to herein as the "degree of neutralization.” Degree of neutralization will preferably not exceed 98%.
- the structure is said to "wick" the fluid.
- the degree of wicking can be controlled by the amount of cross-linking agent used to cross-link the cellulose fibers. Wicking is also controlled by physically altering the structure via the degree of compression imparted to the cross-linked fibers in the structure. The higher the density, the more the structure is able to propagate the fluid due to the fibers' being in a more restrained configuration than they would be in a lower density situation.
- the acquisition zone 56 may also have a number of different cross-sectional areas and configurations including those wherein the area of portions of the acquisition zone 56 is less or greater than its top surface area (i.e., the acquisition zone 56 is smaller or wider below the top surface of the upper acquisition layer 72).
- the acquisition zone 56 may have conical, trapezoidal, T-shaped or rectangular cross-sectional areas.
- the acquisition zone 56 preferably has a rectangular cross-sectional area so as to provide a uniform acquisition zone 56.
- the diaper 20 is applied to a wearer, by positioning the back waistband region 24 under the wearer's back, and drawing the remainder of the diaper 20 between the wearer's legs so that the front waistband region 22 is positioned across the front of the wearer.
- the ends of the tape-tab fasteners 46 are then secured preferably to outwardly facing areas of the diaper 20.
Abstract
Description
Claims
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950704340A KR100322309B1 (en) | 1993-04-05 | 1994-03-22 | Absorbent member with low density and low basis weight capture band |
BR9406039A BR9406039A (en) | 1993-04-05 | 1994-03-22 | Multilayer absorbent element and absorbent article |
EP94910985A EP0692954B1 (en) | 1993-04-05 | 1994-03-22 | Improved absorbent members having improved fluid distribution via low density and basis weight acquisition zones |
DE69411002T DE69411002T2 (en) | 1993-04-05 | 1994-03-22 | ABSORBENT MATERIAL, PROVIDED WITH UPPER ZONE LOW DENSITY AND LOW SPECIFIC WEIGHT |
AU63681/94A AU6368194A (en) | 1993-04-05 | 1994-03-22 | Improved absorbent members having improved fluid distribution via low density and basis weight acquisition zones |
JP6523196A JPH08508662A (en) | 1993-04-05 | 1994-03-22 | Absorbent member for good distribution of liquid due to low density and low basis weight acquisition zone |
CA002159807A CA2159807C (en) | 1993-04-05 | 1994-03-22 | Improved absorbent members having improved fluid distribution via low density and basis weight acquisition zones |
HU9502909A HU219919B (en) | 1993-04-05 | 1994-03-22 | Improved absorbent member having improved fluid distribution via low density and basis weight acquistion zones and absorbent article |
NO953924A NO953924L (en) | 1993-04-05 | 1995-10-03 | Absorption element with improved fluid distribution via low density and surface weight capture zones |
FI954729A FI954729A (en) | 1993-04-05 | 1995-10-04 | Improved absorbent portions that distribute fluid with improved density and basis weight through low receiving zones |
HK98113161A HK1012160A1 (en) | 1993-04-05 | 1998-12-10 | Improved absorbent members having improved fluid distribution via low density and basis weight acquisition zones |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/042,950 | 1993-04-05 | ||
US08/042,950 US5348547A (en) | 1993-04-05 | 1993-04-05 | Absorbent members having improved fluid distribution via low density and basis weight acquisition zones |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1994023761A2 true WO1994023761A2 (en) | 1994-10-27 |
WO1994023761A3 WO1994023761A3 (en) | 1995-02-02 |
Family
ID=21924624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1994/003073 WO1994023761A2 (en) | 1993-04-05 | 1994-03-22 | Improved absorbent members having improved fluid distribution via low density and basis weight acquisition zones |
Country Status (17)
Country | Link |
---|---|
US (1) | US5348547A (en) |
EP (1) | EP0692954B1 (en) |
JP (1) | JPH08508662A (en) |
KR (1) | KR100322309B1 (en) |
AT (1) | ATE167047T1 (en) |
AU (1) | AU6368194A (en) |
BR (1) | BR9406039A (en) |
CA (1) | CA2159807C (en) |
CZ (1) | CZ283819B6 (en) |
DE (1) | DE69411002T2 (en) |
ES (1) | ES2117265T3 (en) |
FI (1) | FI954729A (en) |
HK (1) | HK1012160A1 (en) |
HU (1) | HU219919B (en) |
NO (1) | NO953924L (en) |
SG (1) | SG49677A1 (en) |
WO (1) | WO1994023761A2 (en) |
Cited By (10)
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US6011195A (en) * | 1996-10-10 | 2000-01-04 | Kimberly-Clark Worldwide, Inc. | Wet resilient absorbent article |
GB2363395B (en) * | 1999-02-12 | 2003-07-16 | Kimberly Clark Co | Distribution-retention material for personal care products |
EP2740452A1 (en) | 2012-12-10 | 2014-06-11 | The Procter & Gamble Company | Absorbent article with high absorbent material content |
EP2740454A1 (en) | 2012-12-10 | 2014-06-11 | The Procter and Gamble Company | Absorbent article with profiled acquisition-distribution system |
EP2813201A1 (en) | 2013-06-14 | 2014-12-17 | The Procter and Gamble Company | Absorbent article and absorbent core forming channels when wet |
EP3238679A1 (en) | 2016-04-29 | 2017-11-01 | The Procter and Gamble Company | Absorbent article with a distribution layer comprising channels |
DE202012013572U1 (en) | 2012-12-10 | 2017-12-05 | The Procter & Gamble Company | Absorbent article with high absorption material content |
DE202012013571U1 (en) | 2012-12-10 | 2017-12-06 | The Procter & Gamble Company | Absorbent particles with high absorption material content |
EP3315106A1 (en) | 2016-10-31 | 2018-05-02 | The Procter and Gamble Company | Absorbent article with an intermediate layer comprising channels and back pocket |
WO2019005666A1 (en) | 2017-06-30 | 2019-01-03 | The Procter & Gamble Company | Absorbent article with a lotioned topsheet |
Families Citing this family (147)
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TW329666U (en) * | 1993-05-12 | 1998-04-11 | Kimberly Clark Co | Absorbent article having enhanced wicking capability |
US5540979A (en) * | 1994-05-16 | 1996-07-30 | Yahiaoui; Ali | Porous non-woven bovine blood-oxalate absorbent structure |
US5810798A (en) | 1995-06-30 | 1998-09-22 | Kimberly-Clark Worldwide, Inc. | Absorbent article having a thin, efficient absorbent core |
US5843852A (en) * | 1995-12-21 | 1998-12-01 | Kimberly-Clark Worldwide, Inc. | Absorbent structure for liquid distribution |
US6060638A (en) * | 1995-12-22 | 2000-05-09 | Kimberly-Clark Worldwide, Inc. | Matched permeability liner/absorbent structure system for absorbent articles and the like |
US5728081A (en) * | 1996-07-16 | 1998-03-17 | Fibertech Group, Inc. | Absorbent composite article having fluid acquisition sub-layer |
US5843055A (en) * | 1996-07-24 | 1998-12-01 | The Procter & Gamble Company | Stratified, multi-functional fluid absorbent members |
US6152904A (en) | 1996-11-22 | 2000-11-28 | Kimberly-Clark Worldwide, Inc. | Absorbent articles with controllable fill patterns |
US5879343A (en) * | 1996-11-22 | 1999-03-09 | Kimberly-Clark Worldwide, Inc. | Highly efficient surge material for absorbent articles |
US5820973A (en) * | 1996-11-22 | 1998-10-13 | Kimberly-Clark Worldwide, Inc. | Heterogeneous surge material for absorbent articles |
US5843063A (en) | 1996-11-22 | 1998-12-01 | Kimberly-Clark Worldwide, Inc. | Multifunctional absorbent material and products made therefrom |
EP0941157B1 (en) * | 1996-12-06 | 2004-02-04 | Weyerhaeuser Company | Unitary stratified composite |
US6485667B1 (en) | 1997-01-17 | 2002-11-26 | Rayonier Products And Financial Services Company | Process for making a soft, strong, absorbent material for use in absorbent articles |
CO5070597A1 (en) * | 1997-10-08 | 2001-08-28 | Kimberly Clark Co | ABSORBENT ARTICLE WITH ABSORBED LAMINATED STRUCTURE WITH RAMIFIED BASE WEIGHT AND COAT REGION |
US6383960B1 (en) | 1997-10-08 | 2002-05-07 | Kimberly-Clark Worldwide, Inc. | Layered absorbent structure |
US5965468A (en) * | 1997-10-31 | 1999-10-12 | Kimberly-Clark Worldwide, Inc. | Direct formed, mixed fiber size nonwoven fabrics |
US6710225B1 (en) | 1998-06-15 | 2004-03-23 | Kimberly-Clark Worldwide, Inc. | Layered absorbent structure with a zoned basis weight |
US6465379B1 (en) | 1998-06-30 | 2002-10-15 | Bki Holding Corporation | Unitary absorbent material for use in absorbent structures |
US6673982B1 (en) | 1998-10-02 | 2004-01-06 | Kimberly-Clark Worldwide, Inc. | Absorbent article with center fill performance |
US6667424B1 (en) | 1998-10-02 | 2003-12-23 | Kimberly-Clark Worldwide, Inc. | Absorbent articles with nits and free-flowing particles |
US6562192B1 (en) | 1998-10-02 | 2003-05-13 | Kimberly-Clark Worldwide, Inc. | Absorbent articles with absorbent free-flowing particles and methods for producing the same |
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-
1998
- 1998-12-10 HK HK98113161A patent/HK1012160A1/en not_active IP Right Cessation
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WO1991011165A1 (en) * | 1990-01-23 | 1991-08-08 | The Procter & Gamble Company | Structures of stiffened fiber web overlaying superabsorbent |
WO1991011977A1 (en) * | 1990-02-12 | 1991-08-22 | The Procter & Gamble Company | Odor controlling compositions and articles |
WO1992011830A2 (en) * | 1991-01-03 | 1992-07-23 | The Procter & Gamble Company | Absorbent article having rapid acquiring, multiple layer absorbent core |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6245962B1 (en) | 1996-10-10 | 2001-06-12 | Kimberly-Clark Worldwide, Inc. | Wet resilient absorbent article |
US6011195A (en) * | 1996-10-10 | 2000-01-04 | Kimberly-Clark Worldwide, Inc. | Wet resilient absorbent article |
GB2363395B (en) * | 1999-02-12 | 2003-07-16 | Kimberly Clark Co | Distribution-retention material for personal care products |
US6765125B2 (en) | 1999-02-12 | 2004-07-20 | Kimberly-Clark Worldwide, Inc. | Distribution—Retention material for personal care products |
DE202012013572U1 (en) | 2012-12-10 | 2017-12-05 | The Procter & Gamble Company | Absorbent article with high absorption material content |
EP2740452A1 (en) | 2012-12-10 | 2014-06-11 | The Procter & Gamble Company | Absorbent article with high absorbent material content |
EP2740454A1 (en) | 2012-12-10 | 2014-06-11 | The Procter and Gamble Company | Absorbent article with profiled acquisition-distribution system |
WO2014093323A1 (en) | 2012-12-10 | 2014-06-19 | The Procter & Gamble Company | Absorbent article with profiled acquisition-distribution system |
WO2014093319A1 (en) | 2012-12-10 | 2014-06-19 | The Procter & Gamble Company | Arborsent article with high absorent material content |
DE202012013571U1 (en) | 2012-12-10 | 2017-12-06 | The Procter & Gamble Company | Absorbent particles with high absorption material content |
DE202014011107U1 (en) | 2013-06-14 | 2017-12-15 | The Procter & Gamble Company | When wet, channels forming absorbent article and absorbent core |
WO2014200794A1 (en) | 2013-06-14 | 2014-12-18 | The Procter & Gamble Company | Absorbent article and absorbent core forming channels when wet |
EP3254656A1 (en) | 2013-06-14 | 2017-12-13 | The Procter & Gamble Company | Absorbent article and absorbent core forming channels when wet |
EP2813201A1 (en) | 2013-06-14 | 2014-12-17 | The Procter and Gamble Company | Absorbent article and absorbent core forming channels when wet |
EP3284450A1 (en) | 2013-06-14 | 2018-02-21 | The Procter & Gamble Company | Absorbent article and absorbent core forming channels when wet |
DE202014011155U1 (en) | 2013-06-14 | 2018-03-07 | The Procter & Gamble Company | When wet, channels forming absorbent article and absorbent core |
WO2017189188A1 (en) | 2016-04-29 | 2017-11-02 | The Procter & Gamble Company | Absorbent article with a distribution layer comprising channels |
EP3238679A1 (en) | 2016-04-29 | 2017-11-01 | The Procter and Gamble Company | Absorbent article with a distribution layer comprising channels |
EP3315106A1 (en) | 2016-10-31 | 2018-05-02 | The Procter and Gamble Company | Absorbent article with an intermediate layer comprising channels and back pocket |
WO2018081333A1 (en) | 2016-10-31 | 2018-05-03 | The Procter & Gamble Company | Absorbent article with an intermediate layer comprising channels and back pocket |
WO2019005666A1 (en) | 2017-06-30 | 2019-01-03 | The Procter & Gamble Company | Absorbent article with a lotioned topsheet |
Also Published As
Publication number | Publication date |
---|---|
AU6368194A (en) | 1994-11-08 |
FI954729A0 (en) | 1995-10-04 |
BR9406039A (en) | 1996-03-26 |
EP0692954A1 (en) | 1996-01-24 |
DE69411002T2 (en) | 1998-10-29 |
ATE167047T1 (en) | 1998-06-15 |
HUT73574A (en) | 1996-08-28 |
CA2159807C (en) | 1999-10-05 |
NO953924L (en) | 1995-12-05 |
CZ283819B6 (en) | 1998-06-17 |
KR960701669A (en) | 1996-03-28 |
WO1994023761A3 (en) | 1995-02-02 |
KR100322309B1 (en) | 2002-07-27 |
EP0692954B1 (en) | 1998-06-10 |
FI954729A (en) | 1995-10-04 |
HU9502909D0 (en) | 1995-12-28 |
DE69411002D1 (en) | 1998-07-16 |
CZ260495A3 (en) | 1996-07-17 |
JPH08508662A (en) | 1996-09-17 |
HU219919B (en) | 2001-09-28 |
ES2117265T3 (en) | 1998-08-01 |
SG49677A1 (en) | 1998-06-15 |
NO953924D0 (en) | 1995-10-03 |
HK1012160A1 (en) | 1999-07-23 |
US5348547A (en) | 1994-09-20 |
CA2159807A1 (en) | 1994-10-27 |
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