US3667468A - Sanitary napkin and method and means of producing - Google Patents
Sanitary napkin and method and means of producing Download PDFInfo
- Publication number
- US3667468A US3667468A US32560A US3667468DA US3667468A US 3667468 A US3667468 A US 3667468A US 32560 A US32560 A US 32560A US 3667468D A US3667468D A US 3667468DA US 3667468 A US3667468 A US 3667468A
- Authority
- US
- United States
- Prior art keywords
- layers
- pad
- interior
- carrier web
- channel
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title description 3
- 239000006185 dispersion Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 15
- 239000002250 absorbent Substances 0.000 claims description 7
- 230000002745 absorbent Effects 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 2
- 210000001124 body fluid Anatomy 0.000 abstract description 4
- 239000010839 body fluid Substances 0.000 abstract description 4
- 230000004888 barrier function Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 101100264195 Caenorhabditis elegans app-1 gene Proteins 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
Images
Classifications
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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
- 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
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15617—Making absorbent pads from fibres or pulverulent material with or without treatment of the fibres
- A61F13/15634—Making fibrous pads between sheets or webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/28—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
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- 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
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- A61F13/00—Bandages or dressings; Absorbent pads
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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
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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
- A61F13/45—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
- A61F2013/49076—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterized by the shape of the outline as "I"-shaped
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- 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
- A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
- A61F13/51401—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material
- A61F2013/51409—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film
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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
- A61F2013/530131—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 being made in fibre but being not pulp
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- 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
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- A61F2013/53765—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 characterized by its geometry
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2307/00—Properties of the layers or laminate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T156/1008—Longitudinal bending
- Y10T156/101—Prior to or during assembly with additional lamina
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T156/1007—Running or continuous length work
- Y10T156/1008—Longitudinal bending
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- Y10T156/1028—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina by bending, drawing or stretch forming sheet to assume shape of configured lamina while in contact therewith
- Y10T156/103—Encasing or enveloping the configured lamina
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T156/1056—Perforating lamina
- Y10T156/1057—Subsequent to assembly of laminae
Definitions
- ABSTRACT A sanitary napkin which has a fluff layer sandwiched between carrier layers, the sandwich being C-folded to provide a lined channel on one side of the sandwich which encourages more even, rapid, and complete dispersion of body fluids.
- FIG. 1 is a perspective view partially broken away of a sanitary napkin produced according to the teachings of this invention.
- FIG. 2 is a perspective view also broken away to illustrate I the type of diaper insert produceable according to the invention.
- the numeral designates generally-a sanitary napkin produced and constructed according to the teachings of this invention.
- the core of the napkin is a fluff layer 11 which has been folded on itself into a C configuration. Adjacent the bight portion 12 of the C configuration is positioned a barrier sheet 13, advantageously polyethylene. The width of the barrier sheet 13 is less than that of the unfolded fluff layer 11.
- the fluff layer 11 and barrier sheet 13 are enclosed within a carrier web 14 which, before C-folding, makes up a sandencourages more even, rapid, and complete dispersion of body fluids.
- the C-fold channel Ch (still referring to FIG.
- a sanitary napkin comprising a plurality of elongated layers of flexible material arranged to lay flat including upper and lower exterior layers constructed of non-woven material and serving to confine a plurality of interior layers, two interior layers constructed of soft absorbable material and being relatively thicker than the other layers, said two interior layers being united along the longitudinal edges thereof with one of the interior layers having an access space along the longitudinal median whereby said two interior layers have essentially a C configuration in transverse section to provide a channel for dispersion of fluid, a pair of intermediate layers of absorbent material, one of the intermediate layers being interposed between the upper exterior layer and one of the interior layers and the other intermediate layer being interposed between the other interior layer and the lower exterior layer, and a pair of inner layers of absorbent material interposed between the two interior layers.
- a sanitary napkin comprising an elongated pad of soft moisture-absorbent material, a carrier web of moisture-absorwich with the carrier web 14 providing the external layers and the fluff 11 providing the inner player. It will be noted by reference to FIG. 1 that the carrier web is overlapped on itself as at 15. Lastly, the C-folded sandwich is positioned within an enveloping outer wrap 16. This is overlapped on itself and longitudinally sealed together as at 17,
- the pad and the carrier web being folded into a C-shape along a pair of spaced'apart parallel longitudinally extending lines to provide a lower pad portion and a pair of upper pad portions superposed on the lower pad portion to form a longitudinally extending channel, the upper pad portions and the lower portion being of approximately the same thickness, the upper pad portions. being separated from the lower pad poition by a double thickness of the carrier web, and an outer wrap surrounding the C-folded pad and carrier web and extending across said channel.
- each of the upper pad portions includes a longitudinally extendinginwardly facing longitudinal edge spaced from the longitudinal edge of the other pad portion to provide a relatively narrow longitudinally extending access slot for the channel.
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- Epidemiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3256070A | 1970-04-28 | 1970-04-28 | |
US21376871A | 1971-12-29 | 1971-12-29 | |
US00230644A US3814100A (en) | 1970-04-28 | 1972-03-01 | Disposable diaper |
Publications (1)
Publication Number | Publication Date |
---|---|
US3667468A true US3667468A (en) | 1972-06-06 |
Family
ID=27364165
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US32560A Expired - Lifetime US3667468A (en) | 1970-04-28 | 1970-04-28 | Sanitary napkin and method and means of producing |
US00213768A Expired - Lifetime US3746592A (en) | 1970-04-28 | 1971-12-29 | Method of producing sanitary napkins |
US00230644A Expired - Lifetime US3814100A (en) | 1970-04-28 | 1972-03-01 | Disposable diaper |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00213768A Expired - Lifetime US3746592A (en) | 1970-04-28 | 1971-12-29 | Method of producing sanitary napkins |
US00230644A Expired - Lifetime US3814100A (en) | 1970-04-28 | 1972-03-01 | Disposable diaper |
Country Status (6)
Country | Link |
---|---|
US (3) | US3667468A (da) |
BE (1) | BE765868A (da) |
CA (1) | CA952256A (da) |
DE (1) | DE2112313B2 (da) |
FR (1) | FR2090815A5 (da) |
GB (1) | GB1313962A (da) |
Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
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US3771525A (en) * | 1970-12-23 | 1973-11-13 | Ruby Ets | Sanitary napkin having compressed core |
US3838695A (en) * | 1973-09-17 | 1974-10-01 | Personal Products Co | Flushable sanitary napkin |
US3954107A (en) * | 1974-09-06 | 1976-05-04 | Colgate-Palmolive Company | Articulated sanitary napkin pad |
US4029101A (en) * | 1974-09-06 | 1977-06-14 | Colgate-Palmolive Company | Absorbent article |
FR2433936A1 (fr) * | 1978-07-03 | 1980-03-21 | Colgate Palmolive Co | Compresse absorbante destinee a etre placee dans la region perineale |
US4883479A (en) * | 1986-09-26 | 1989-11-28 | Colgate-Palmolive Company | Absorbent napkin, particularly for infant's diaper pads |
US5423786A (en) * | 1993-09-24 | 1995-06-13 | Mcneil-Ppc, Inc. | Stabilized absorbent core and products made therefrom |
US5437653A (en) * | 1993-05-12 | 1995-08-01 | Kimberly-Clark Corporation | Absorbent article having two coapertured layers and a method of making the article |
US5454800A (en) * | 1993-05-12 | 1995-10-03 | Kimberly-Clark Corporation | Absorbent article |
USH1511H (en) * | 1992-09-10 | 1995-12-05 | Chappell; Charles W. | Absorbent articles having improved longitudinal fluid movement |
US5611879A (en) * | 1987-12-18 | 1997-03-18 | Kimberly-Clark Corporation | Absorbent article having an absorbent with a variable density in the Z direction and a method of forming said article |
US5675079A (en) * | 1995-06-07 | 1997-10-07 | Kimberly-Clark Worldwide, Inc. | Apparatus for measuring the crush recovery of an absorbent article |
US5803920A (en) * | 1995-06-07 | 1998-09-08 | Kimberly-Clark Worldwide, Inc. | Thin absorbent article |
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US6632209B1 (en) * | 1998-03-30 | 2003-10-14 | Paragon Trade Brands, Inc. | Thin absorbent core made from folded absorbent laminate |
US20030236512A1 (en) * | 2002-06-19 | 2003-12-25 | Baker Andrew A. | Absorbent core with folding zones for absorbency distribution |
US20040116884A1 (en) * | 2002-09-30 | 2004-06-17 | Takako Fujii | Body fluid absorbing article |
US20040122394A1 (en) * | 2002-12-23 | 2004-06-24 | Kimberly-Clark Worldwide, Inc. | High capacity absorbent structure and method for producing same |
US20040127870A1 (en) * | 2002-12-27 | 2004-07-01 | Dipalma Joseph | Thin curved elasticized absorbent article with absorbent concentration profile |
US20060069375A1 (en) * | 2004-09-29 | 2006-03-30 | Andrew Waksmundzki | Absorbent article with C-folded moisture barrier and methods of manufacturing same |
US20070043330A1 (en) * | 2005-08-19 | 2007-02-22 | Lankhof John P | Absorbent article |
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US11937894B2 (en) | 2010-10-20 | 2024-03-26 | Tesslagra Design Solutions, Inc. | Disposable radial access catheterization sleeve |
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US3868287A (en) * | 1971-04-27 | 1975-02-25 | Scott Paper Co | Absorbent pad and method for making same |
ES179359Y (es) * | 1972-03-29 | 1973-07-01 | Arbora International, S. A. | Panal absorbente. |
FR2188446A5 (en) * | 1972-06-14 | 1974-01-18 | Celphar Wuhrlin Labo | Feminine hygiene prod - with high absorbency core andwaterproof outer cover |
FR2200740A5 (en) * | 1972-09-27 | 1974-04-19 | Celphar Wuhrlin Labo | Sanitary towel - with non-woven envelope and non-slip backing strip |
US3900031A (en) * | 1974-08-22 | 1975-08-19 | Kimberly Clark Co | Disposable diaper with reinforced waistband and tape attachment means |
US3920017A (en) * | 1974-09-27 | 1975-11-18 | Colgate Palmolive Co | Crotch-shaped diaper and method |
US4147825A (en) * | 1975-09-15 | 1979-04-03 | Anselm Talalay | Polymeric foam cushioning article and method for making the same |
US4081301A (en) * | 1975-10-30 | 1978-03-28 | The Procter & Gamble Company | Method and apparatus for continuously attaching discrete, stretched elastic strands to predetermined isolated portions of disposable abosrbent products |
US3995640A (en) * | 1976-01-05 | 1976-12-07 | Colgate-Palmolive Company | Diaper with elastic means |
US4094319A (en) * | 1976-11-01 | 1978-06-13 | Joa Curt G | Sanitary pad with multiple end folds |
DE2855179C2 (de) * | 1978-12-20 | 1982-06-09 | Dr. Carl Hahn GmbH, 4000 Düsseldorf | Tampon für die Frauenhygiene |
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US4518451A (en) * | 1982-09-02 | 1985-05-21 | Personal Products Company | Embossed panty liner |
DE3236541A1 (de) * | 1982-10-02 | 1984-04-05 | Henkel KGaA, 4000 Düsseldorf | Tampon fuer die frauenhygiene und verfahren zu dessen herstellung |
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DK398884D0 (da) * | 1984-08-21 | 1984-08-21 | Coloplast As | Inkontinensbeskytter og fremgangsmaade til fremstilling af denne |
CA1291327C (en) * | 1985-11-04 | 1991-10-29 | Dawn Ilnicki Houghton | Absorbent article having liquid impervious shelves |
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US5733274A (en) * | 1988-03-31 | 1998-03-31 | The Procter & Gamble Company | Sanitary napkin having stiffened center |
US5007906A (en) * | 1989-10-27 | 1991-04-16 | The Procter & Gamble Company | Decoupled sanitary napkin |
DK0555341T3 (da) * | 1990-10-29 | 1995-03-06 | Procter & Gamble | Absorptionsartikel samt ble eller hygiejnebind |
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Cited By (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3771525A (en) * | 1970-12-23 | 1973-11-13 | Ruby Ets | Sanitary napkin having compressed core |
US3838695A (en) * | 1973-09-17 | 1974-10-01 | Personal Products Co | Flushable sanitary napkin |
US3954107A (en) * | 1974-09-06 | 1976-05-04 | Colgate-Palmolive Company | Articulated sanitary napkin pad |
US4029101A (en) * | 1974-09-06 | 1977-06-14 | Colgate-Palmolive Company | Absorbent article |
FR2433936A1 (fr) * | 1978-07-03 | 1980-03-21 | Colgate Palmolive Co | Compresse absorbante destinee a etre placee dans la region perineale |
US4883479A (en) * | 1986-09-26 | 1989-11-28 | Colgate-Palmolive Company | Absorbent napkin, particularly for infant's diaper pads |
US5611879A (en) * | 1987-12-18 | 1997-03-18 | Kimberly-Clark Corporation | Absorbent article having an absorbent with a variable density in the Z direction and a method of forming said article |
USH1511H (en) * | 1992-09-10 | 1995-12-05 | Chappell; Charles W. | Absorbent articles having improved longitudinal fluid movement |
US5454800A (en) * | 1993-05-12 | 1995-10-03 | Kimberly-Clark Corporation | Absorbent article |
US5437653A (en) * | 1993-05-12 | 1995-08-01 | Kimberly-Clark Corporation | Absorbent article having two coapertured layers and a method of making the article |
US5423786A (en) * | 1993-09-24 | 1995-06-13 | Mcneil-Ppc, Inc. | Stabilized absorbent core and products made therefrom |
US5675079A (en) * | 1995-06-07 | 1997-10-07 | Kimberly-Clark Worldwide, Inc. | Apparatus for measuring the crush recovery of an absorbent article |
US5803920A (en) * | 1995-06-07 | 1998-09-08 | Kimberly-Clark Worldwide, Inc. | Thin absorbent article |
US5810798A (en) * | 1995-06-30 | 1998-09-22 | Kimberly-Clark Worldwide, Inc. | Absorbent article having a thin, efficient absorbent core |
US6206865B1 (en) | 1995-11-13 | 2001-03-27 | Kimberly-Clark Worldwide, Inc. | Absorbent article having a cellulosic transfer layer |
US6632209B1 (en) * | 1998-03-30 | 2003-10-14 | Paragon Trade Brands, Inc. | Thin absorbent core made from folded absorbent laminate |
US6534149B1 (en) | 1999-04-03 | 2003-03-18 | Kimberly-Clark Worldwide, Inc. | Intake/distribution material for personal care products |
US6348253B1 (en) | 1999-04-03 | 2002-02-19 | Kimberly-Clark Worldwide, Inc. | Sanitary pad for variable flow management |
US7264615B2 (en) | 2001-04-03 | 2007-09-04 | Kimberly-Clark Worldwide, Inc. | Absorbent insert for use with an outer absorbent garment |
US20030236512A1 (en) * | 2002-06-19 | 2003-12-25 | Baker Andrew A. | Absorbent core with folding zones for absorbency distribution |
US20040116884A1 (en) * | 2002-09-30 | 2004-06-17 | Takako Fujii | Body fluid absorbing article |
US7632979B2 (en) * | 2002-09-30 | 2009-12-15 | Daio Paper Corporation | Absorbing article having honeycomb recesses on lower absorbent layer and varying layer densities |
US20040122394A1 (en) * | 2002-12-23 | 2004-06-24 | Kimberly-Clark Worldwide, Inc. | High capacity absorbent structure and method for producing same |
US6888044B2 (en) | 2002-12-23 | 2005-05-03 | Kimberly-Clark Worldwide, Inc. | High capacity absorbent structure and method for producing same |
US20040127870A1 (en) * | 2002-12-27 | 2004-07-01 | Dipalma Joseph | Thin curved elasticized absorbent article with absorbent concentration profile |
US20060069375A1 (en) * | 2004-09-29 | 2006-03-30 | Andrew Waksmundzki | Absorbent article with C-folded moisture barrier and methods of manufacturing same |
US20070043330A1 (en) * | 2005-08-19 | 2007-02-22 | Lankhof John P | Absorbent article |
US10123920B2 (en) * | 2005-08-19 | 2018-11-13 | The Procter & Gamble Company | Absorbent article having asymmetric absorbent core component |
US11937894B2 (en) | 2010-10-20 | 2024-03-26 | Tesslagra Design Solutions, Inc. | Disposable radial access catheterization sleeve |
Also Published As
Publication number | Publication date |
---|---|
US3814100A (en) | 1974-06-04 |
GB1313962A (en) | 1973-04-18 |
DE2112313B2 (de) | 1976-02-12 |
BE765868A (fr) | 1971-09-16 |
US3746592A (en) | 1973-07-17 |
DE2112313A1 (de) | 1971-11-11 |
CA952256A (en) | 1974-08-06 |
FR2090815A5 (da) | 1972-01-14 |
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