US3884234A - Disposable diaper - Google Patents

Disposable diaper Download PDF

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Publication number
US3884234A
US3884234A US40753173A US3884234A US 3884234 A US3884234 A US 3884234A US 40753173 A US40753173 A US 40753173A US 3884234 A US3884234 A US 3884234A
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United States
Prior art keywords
diaper
fold line
surface
line
portion
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Expired - Lifetime
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Glenn N Taylor
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Colgate Palmolive Co
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Colgate Palmolive Co
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Priority to US40753173 priority Critical patent/US3884234A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45Absorbent 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
    • A61F13/49Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/49001Absorbent articles specially adapted to be worn around the waist, e.g. diapers having preferential bending zones, e.g. fold lines or grooves

Abstract

A diaper is provided in which, with respect to a fold line extending from the front waistline portion to the back waistline portion equidistant from the diaper lateral margins, a portion of the surface for contact with the diaper wearer on one side of the fold line is secured to a portion of that surface on the side of the fold line, those first and second portions being symmetrically located with respect to the fold line.

Description

1 United States Patent 1191 1111 3,884,234 Taylor May 20, 1975 [54] DI SPOSABLE DIAPER 3,710,797 1/1973 Marsan 128/284 3,776,233 12/1973 Schaar 128/287 [75] Inventor: Glen" Tayh" Cary 3,807,402 4/1974 Miller et 111. 128/287 [73] Assignee: Colgate-Palmolive Company, New

York, NY. Primary ExaminerRichard A. Gaudet [22] Filed: Oct 18 1973 Assistant Examiner-J. Yasko [21] App1. No.: 407,531 ABSTRACT A diaper is provided in which, with respect to a fold line extending from the from waistline p rt on to the [58] Fie'ld 286 284 back waistline portion equidistant from the diaper latera] margins, a portion of the surface for contact with the diaper wearer on one side of the fold line is se- [56] References Clted cured to a portion of that surface on the side of the UNITED STATES PATENTS fold line, those first and second portions being sym- 3,402,715 9/1968 Liloia 611 a] 128/287 metrically located with respect to the line 3,572,342 3/1971 Lindquist et a1 128/287 3,650,273 3/1972 Schaar 128/287 7 Claims, 2 Drawing Figures DISPOSABLE DIAPER BACKGROUND OF THE INVENTION This invention relates to diapers, the inventive fea tures being particularly suitable for incorporation into disposable diapers.

SUMMARY OF THE INVENTION It is a principal object of the present invention to provide a diaper construction that fits well in the crotch region of the diaper, will accept a surge of liquid without leakage, and prevents, to a degree, fecal matter from moving about within the diaper.

The features of the present invention are incorporated in a diaper having front and back waistline portions, a crotch portion therebetween, lateral margins extending between the waistline portions, and a surface for contact with the diaper wearer. In such a diaper a fold line is provided extending from the front waistline portion to the back waistline portion equidistant from the lateral margins. According to the present invention, with respect to that fold line a first portion of the above-mentioned surface on one side of the fold line is, secured to a second portion of that surface on the other side of the line, said surface portions being symmetrically located with respect to the reference line. Each such surface portion is in the form of a line extending from a location adjacent the fold line, toward a lateral margin. In preferred embodiments those surface portions are secured by adhesive, and each line comprises an arc, the tangent to the arc at any predetermined point thereof making an angle with the fold line which is at least as great as the angle made by the tangent of any other point of the are closer to the fold line.

BRIEF DESCRIPTION OF THE DRAWINGS DETAILED DESCRIPTION OF A PARTICULAR PREFERRED EMBODIMENT Referring to the drawings, a disposable diaper comprises an absorbent body 12 and a water impervious backing sheet 14, such as plastic. The sheet 14 overlaps the upper surface of the absorbent body 12 with flaps 16, 18 which define lateral margins 20, 22of the diaper. The flaps 16, 18 are secured (as by heat sealing) to the absorbent body 12 and to the underlying portion of the plastic sheet 14 in the front and back waistline portions 24, 26. Conventional tape units 28 may be provided for securing thediaper to the infant. A central fold line A extends from the front waistline portion 24 throughthe central crotch region 30 to the back waistline portion 26 and equidistant from the lateral margins 20, 22. A reference line B may be considered drawn perpendicular to fold line A and equidistant from the front and back waistline portions 24, 26.

According to the present invention, portions of the upper surface of the absorbent body 12 (which typically comprises a non-woven liner which overlies the bulk of the absorbent material) on one side of the fold line A are secured to portions of that surface on the opposite side of fold line A, the two portions being symmetrically located with respect to the reference line A. In the preferred form, these surface portions comprise elongated arcs which extend from a first location 32 adjacent the fold line A and on the front waistline portion side of reference line B to a second location 34 which is both further from reference line A and from front waistline 24 than is first location 32. In FIG. 1, the surface portion on the right side of the reference line A is indicated by the elongated are 36 which extends between locations 32 and 34 and intersects reference line B. The location 34 is preferably about equidistant from the fold line A and the lateral margin 22.

In the preferred form of the invention, the are 36 may simply be the locus of a line of glue applied to the upper surface of the absorbent body 12. The folding of the diaper about the line A while the glue retains tack, will result in the securing of the surface portion which the glue overlies to the symmetrically disposed surface portion on the opposite side of the fold line A. In one particularly preferredform, shown in FIG. 1, the arc 36 is in the form of a quadrant of a circle with the tangent at the location (i.e., location 32) being substantially tangent to the reference line A.

FIG. 2 illustrates the configuration of the completed diaper 10 after the diaper has been unfolded for application to the infant. The glue line 36 now overlies the fold line A and the diaper is no longer confined to a plane. This results in a gathering of the absorbent material in the crotch portion of the diaper with an attendant increase in absorbent capacity for a surge of fluid. Furthermore, this causes the diaper to assume a tapered configuration in the crotch region to assure a better fit of the diaper on the infant. Additionally, a pocket 38, which can limit the movement of fecal matter within the diaper, is formed in the rear portion of the diaper.

While a particular preferred embodiment of the invention has been illustrated in the accompanying drawings and described in detail, other embodiments are within the scope of the invention and the following claims.

I claim:

1. In a diaperhaving front and back waistline portions, a crotch portion therebetween, lateral margins extending between said waistline portions, and a surface for contact with the wearer, the improvement wherein, with respect to a fold line extending between said waistline portions approximately equidistant from said lateral margins, a portion of said surface on one side of said fold line, and along a line extending toward the diaper lateral margin, is secured to a similarly disposed surface portion on the other side of said fold line thereby forming a pocket in the rear portion of the diaper. t

2. The diaper of claim 1 whereinan adhesive secures said first surface portion to said second surface portion.

3. The diaper of claim 2 wherein said adhesive is disposed uninterruptedly along said line on said surface.

4. The diaper of claim 1 wherein said line on said surface portion is in the form of an arc, the tangent to said are at any predetermined point thereof making an angle with said fold line which is at least as great as the angle made by the tangent at any other point closer than said predetermined point to said fold line.

7. The diaper of claim 1 wherein said line on said surface extends from a first location adjacent said fold line to a second location approximately equidistant from said fold line and a diaper lateral margin.

Claims (7)

1. In a diaper having front and back waistline portions, a crotch portion therebetween, lateral margins extending between said waistline portions, and a surface for contact with the wearer, the improvement wherein, with respect to a fold line extending between said waistline portions approximately equidistant from said lateral margins, a portion of said surface on one side of said fold line, and along a line extending toward the diaper lateral margin, is secured to a similarly disposed surface portion on the other side of said fold line thereby forming a pocket in the rear portion of the diaper.
2. The diaper of claim 1 wherein an adhesive secures said first surface portion to said second surface portion.
3. The diaper of claim 2 wherein said adhesive is disposed uninterruptedly along said line on said surface.
4. The diaper of claim 1 wherein said line on said surface portion is in the form of an arc, the tangent to said arc at any predetermined point thereof making an angle with said fold line which is at least as great as the angle made by the tangent at any other point closer than said predetermined point to said fold line.
5. The diaper of claim 4 wherein said arc intersects a reference line drawn between the midpoints of said lateral margins.
6. The diaper of claim 5 wherein said arc is substantially a quadrant of a circle.
7. The diaper of claim 1 wherein said line on said surface extends from a first location adjacent said fold line to a second location approximately equidistant from said fold line and a diaper lateral mArgin.
US40753173 1973-10-18 1973-10-18 Disposable diaper Expired - Lifetime US3884234A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US40753173 US3884234A (en) 1973-10-18 1973-10-18 Disposable diaper

Applications Claiming Priority (16)

Application Number Priority Date Filing Date Title
US40753173 US3884234A (en) 1973-10-18 1973-10-18 Disposable diaper
SE7412756A SE404868B (en) 1973-10-18 1974-10-10 The disposable diaper
ZA00746502A ZA7406502B (en) 1973-10-18 1974-10-11 Disposable diaper
DE19742448752 DE2448752C2 (en) 1973-10-18 1974-10-12
AU7437774A AU496999B2 (en) 1973-10-18 1974-10-16 Disposable diaper
DK541574A DK137306C (en) 1973-10-18 1974-10-16
CA211,673A CA1057453A (en) 1973-10-18 1974-10-17 Disposable diaper
FR7434995A FR2247992B1 (en) 1973-10-18 1974-10-17
IE214074A IE39951B1 (en) 1973-10-18 1974-10-17 Diapers
IT5360574A IT1021849B (en) 1973-10-18 1974-10-17 Improvement in nappies type of collection supplies
GB4508974A GB1437278A (en) 1973-10-18 1974-10-17 Diapers
ES1974224554U ES224554U (en) 1973-10-18 1974-10-17 Improvements introduced in a honeycomb.
JP49120204A JPS59601B2 (en) 1973-10-18 1974-10-18
BE149685A BE821249A (en) 1973-10-18 1974-10-18 A disposable diaper for baby
NL7413679A NL178388C (en) 1973-10-18 1974-10-18 Diaper.
CH1395074A CH585527A5 (en) 1973-10-18 1974-11-17

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US3884234A true US3884234A (en) 1975-05-20

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US40753173 Expired - Lifetime US3884234A (en) 1973-10-18 1973-10-18 Disposable diaper

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US (1) US3884234A (en)
JP (1) JPS59601B2 (en)
AU (1) AU496999B2 (en)
BE (1) BE821249A (en)
CA (1) CA1057453A (en)
CH (1) CH585527A5 (en)
DE (1) DE2448752C2 (en)
DK (1) DK137306C (en)
ES (1) ES224554U (en)
FR (1) FR2247992B1 (en)
GB (1) GB1437278A (en)
IE (1) IE39951B1 (en)
IT (1) IT1021849B (en)
NL (1) NL178388C (en)
SE (1) SE404868B (en)
ZA (1) ZA7406502B (en)

Cited By (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4050463A (en) * 1976-08-20 1977-09-27 Colgate-Palmolive Company Diapers
US4100922A (en) * 1975-07-09 1978-07-18 Colgate-Palmolive Company Disposable diaper
US4316465A (en) * 1979-03-30 1982-02-23 Dotson Robert S Jun Ophthalmic handpiece with pneumatically operated cutter
US4601717A (en) * 1983-12-08 1986-07-22 The Procter & Gamble Company Diaper with fold points
WO1993015700A1 (en) * 1992-02-18 1993-08-19 Mölnlycke AB An absorbent disposable article constructed from at least two flat flexible bodies containing absorbent material, and a package of articles having s-shaped edges
US5413570A (en) * 1984-07-02 1995-05-09 Kimberly-Clark Corporation Diapers with elasticized side pockets
US5415644A (en) * 1984-07-02 1995-05-16 Kimberly-Clark Corporation Diapers with elasticized side pockets
AU661084B2 (en) * 1992-02-26 1995-07-13 Kimberly-Clark Worldwide, Inc. Disposable absorbent garment
US5554142A (en) * 1994-11-30 1996-09-10 The Procter & Gamble Company Absorbent article having multiple effective height transverse partition
US5582606A (en) * 1992-12-02 1996-12-10 Kimberly-Clarke Corporation Absorbent article having dual barrier means
US5601544A (en) * 1993-12-23 1997-02-11 Kimberly-Clark Corporation Child's training pant with elasticized shaped absorbent and method of making the same
US5690625A (en) * 1992-02-18 1997-11-25 Molnlycke Ab Absorbent disposable article constructed from at least two plat flexible bodies containing absorbent material, and a package of articles having s-shaped edges
US5895382A (en) * 1993-04-26 1999-04-20 Kimberly-Clark Worldwide, Inc. Foreshortened containment flaps in a disposable absorbent article
US6010490A (en) * 1992-12-18 2000-01-04 The Procter & Gamble Company Absorbent article having an upstanding transverse partition
US6497693B1 (en) * 1999-03-05 2002-12-24 Uni-Charm Corporation Disposable undergarment
US6666851B2 (en) * 2000-07-31 2003-12-23 Uni-Charm Corporation Disposable garment
US20050171499A1 (en) * 2004-02-02 2005-08-04 The Procter & Gamble Company Simple disposable absorbent article
US20050203475A1 (en) * 2004-03-12 2005-09-15 The Procter & Gamble Company Simple disposable absorbent article having breathable side barriers
US20050288645A1 (en) * 2004-06-29 2005-12-29 Lavon Gary D Disposable absorbent article having backsheet strips
US20050288646A1 (en) * 2004-06-29 2005-12-29 The Procter & Gamble Company Disposable absorbent article having barrier cuff strips
US20060264860A1 (en) * 2005-05-18 2006-11-23 Theodora Beck Disposable absorbent article having layered containment pockets
US20060264861A1 (en) * 2005-05-20 2006-11-23 Lavon Gary D Disposable absorbent article having breathable side flaps
US20060271005A1 (en) * 2005-05-31 2006-11-30 Lavon Gary D Side notched folded diaper
US20070032770A1 (en) * 2005-08-04 2007-02-08 Lavon Gary D Simple disposable absorbent article
US20070049897A1 (en) * 2005-08-24 2007-03-01 Lavon Gary D Disposable pull-on garment having frangible belt
US20070066951A1 (en) * 2005-09-21 2007-03-22 Lavon Gary D Disposable absorbent article having deployable belt strips
US20070066952A1 (en) * 2005-09-21 2007-03-22 Lavon Gary D Disposable absorbent article having deployable belt strips
US20070066954A1 (en) * 2005-09-21 2007-03-22 Lavon Gary D Disposable absorbent article having deployable belt strips
US20070066953A1 (en) * 2005-09-21 2007-03-22 Lavon Gary D Disposable absorbent article having deployable belt strips
US20070118091A1 (en) * 2005-11-23 2007-05-24 The Procter & Gamble Company Disposable absorbent article having deployable chassis ears
US20080183149A1 (en) * 2007-01-31 2008-07-31 Gary Dean Lavon Diaper having hip stretch panels
US20080208155A1 (en) * 2007-02-22 2008-08-28 Gary Dean Lavon Diaper having abdominal stretch panels
US20080208156A1 (en) * 2007-02-28 2008-08-28 Gary Dean Lavon Disposable absorbent article having deployable belt ears
US20080234649A1 (en) * 2007-03-23 2008-09-25 The Procter & Gamble Company Diaper having deployable chassis ears and stretch waistband
US7618404B2 (en) 2005-06-23 2009-11-17 The Procter & Gamble Company Disposable absorbent article having doubled side flaps and backsheet strips
US7695463B2 (en) 2005-06-22 2010-04-13 The Procter & Gamble Company Disposable absorbent article having dual layer barrier cuff strips
US20100180357A1 (en) * 2007-06-13 2010-07-22 Betalife Gmbh Anti-transpiration insert
US8684990B2 (en) 2005-09-12 2014-04-01 The Procter & Gamble Company Simple disposable pant-like garment having breathable side barriers
US8979815B2 (en) 2012-12-10 2015-03-17 The Procter & Gamble Company Absorbent articles with channels
US9060904B2 (en) 2007-06-18 2015-06-23 The Procter & Gamble Company Disposable absorbent article with sealed absorbent core with substantially continuously distributed absorbent particulate polymer material
US9066838B2 (en) 2011-06-10 2015-06-30 The Procter & Gamble Company Disposable diaper having reduced absorbent core to backsheet gluing
US9072634B2 (en) 2007-06-18 2015-07-07 The Procter & Gamble Company Disposable absorbent article with substantially continuously distributed absorbent particulate polymer material and method
US9216116B2 (en) 2012-12-10 2015-12-22 The Procter & Gamble Company Absorbent articles with channels
US9216118B2 (en) 2012-12-10 2015-12-22 The Procter & Gamble Company Absorbent articles with channels and/or pockets
US9326896B2 (en) 2008-04-29 2016-05-03 The Procter & Gamble Company Process for making an absorbent core with strain resistant core cover
US9340363B2 (en) 2009-12-02 2016-05-17 The Procter & Gamble Company Apparatus and method for transferring particulate material
US9375358B2 (en) 2012-12-10 2016-06-28 The Procter & Gamble Company Absorbent article with high absorbent material content
US9468566B2 (en) 2011-06-10 2016-10-18 The Procter & Gamble Company Absorbent structure for absorbent articles
US9492328B2 (en) 2011-06-10 2016-11-15 The Procter & Gamble Company Method and apparatus for making absorbent structures with absorbent material
US9532910B2 (en) 2012-11-13 2017-01-03 The Procter & Gamble Company Absorbent articles with channels and signals
US9668926B2 (en) 2011-06-10 2017-06-06 The Procter & Gamble Company Method and apparatus for making absorbent structures with absorbent material
US9713556B2 (en) 2012-12-10 2017-07-25 The Procter & Gamble Company Absorbent core with high superabsorbent material content
US9713557B2 (en) 2012-12-10 2017-07-25 The Procter & Gamble Company Absorbent article with high absorbent material content
US9763835B2 (en) 2003-02-12 2017-09-19 The Procter & Gamble Company Comfortable diaper
US9789011B2 (en) 2013-08-27 2017-10-17 The Procter & Gamble Company Absorbent articles with channels
US9789009B2 (en) 2013-12-19 2017-10-17 The Procter & Gamble Company Absorbent articles having channel-forming areas and wetness indicator
US9968497B2 (en) 2014-05-27 2018-05-15 The Procter & Gamble Company Absorbent core with curved channel-forming areas
US9974699B2 (en) 2011-06-10 2018-05-22 The Procter & Gamble Company Absorbent core for disposable absorbent articles
US9974698B2 (en) 2014-05-27 2018-05-22 The Procter & Gamble Company Absorbent core with curved and straight absorbent material areas
US9987176B2 (en) 2013-08-27 2018-06-05 The Procter & Gamble Company Absorbent articles with channels
US10052242B2 (en) 2014-05-27 2018-08-21 The Procter & Gamble Company Absorbent core with absorbent material pattern
US10071002B2 (en) 2013-06-14 2018-09-11 The Procter & Gamble Company Absorbent article and absorbent core forming channels when wet
US10130527B2 (en) 2013-09-19 2018-11-20 The Procter & Gamble Company Absorbent cores having material free areas
US10137039B2 (en) 2013-12-19 2018-11-27 The Procter & Gamble Company Absorbent cores having channel-forming areas and C-wrap seals
US10149788B2 (en) 2011-06-10 2018-12-11 The Procter & Gamble Company Disposable diapers

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Cited By (94)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4100922A (en) * 1975-07-09 1978-07-18 Colgate-Palmolive Company Disposable diaper
US4050463A (en) * 1976-08-20 1977-09-27 Colgate-Palmolive Company Diapers
US4316465A (en) * 1979-03-30 1982-02-23 Dotson Robert S Jun Ophthalmic handpiece with pneumatically operated cutter
US4601717A (en) * 1983-12-08 1986-07-22 The Procter & Gamble Company Diaper with fold points
US5599338A (en) * 1984-07-02 1997-02-04 Kimberly-Clark Corporation Diapers with elasticized side pockets
US5413570A (en) * 1984-07-02 1995-05-09 Kimberly-Clark Corporation Diapers with elasticized side pockets
US5415644A (en) * 1984-07-02 1995-05-16 Kimberly-Clark Corporation Diapers with elasticized side pockets
US5690625A (en) * 1992-02-18 1997-11-25 Molnlycke Ab Absorbent disposable article constructed from at least two plat flexible bodies containing absorbent material, and a package of articles having s-shaped edges
WO1993015700A1 (en) * 1992-02-18 1993-08-19 Mölnlycke AB An absorbent disposable article constructed from at least two flat flexible bodies containing absorbent material, and a package of articles having s-shaped edges
AU661084B2 (en) * 1992-02-26 1995-07-13 Kimberly-Clark Worldwide, Inc. Disposable absorbent garment
US5582606A (en) * 1992-12-02 1996-12-10 Kimberly-Clarke Corporation Absorbent article having dual barrier means
US6010490A (en) * 1992-12-18 2000-01-04 The Procter & Gamble Company Absorbent article having an upstanding transverse partition
US5895382A (en) * 1993-04-26 1999-04-20 Kimberly-Clark Worldwide, Inc. Foreshortened containment flaps in a disposable absorbent article
US5601544A (en) * 1993-12-23 1997-02-11 Kimberly-Clark Corporation Child's training pant with elasticized shaped absorbent and method of making the same
US5554142A (en) * 1994-11-30 1996-09-10 The Procter & Gamble Company Absorbent article having multiple effective height transverse partition
US6497693B1 (en) * 1999-03-05 2002-12-24 Uni-Charm Corporation Disposable undergarment
AU758129B2 (en) * 1999-03-05 2003-03-13 Uni-Charm Corporation Disposable undergarment
US6666851B2 (en) * 2000-07-31 2003-12-23 Uni-Charm Corporation Disposable garment
US9763835B2 (en) 2003-02-12 2017-09-19 The Procter & Gamble Company Comfortable diaper
US20050171499A1 (en) * 2004-02-02 2005-08-04 The Procter & Gamble Company Simple disposable absorbent article
US20100241097A1 (en) * 2004-02-02 2010-09-23 Pankaj Nigam Simple disposable absorbent article
US7736351B2 (en) 2004-02-02 2010-06-15 The Procter & Gamble Company Simple disposable absorbent article
US20050203475A1 (en) * 2004-03-12 2005-09-15 The Procter & Gamble Company Simple disposable absorbent article having breathable side barriers
US7318820B2 (en) 2004-03-12 2008-01-15 The Procter & Gamble Company Simple disposable absorbent article having breathable side barriers
US7377914B2 (en) 2004-06-29 2008-05-27 The Procter & Gamble Company Disposable absorbent article having backsheet strips
US8684988B2 (en) 2004-06-29 2014-04-01 The Procter & Gamble Company Disposable absorbent article having barrier cuff strips
US20070173780A1 (en) * 2004-06-29 2007-07-26 Lavon Gary D Disposable absorbent article having backsheet strips
US20050288645A1 (en) * 2004-06-29 2005-12-29 Lavon Gary D Disposable absorbent article having backsheet strips
US20050288646A1 (en) * 2004-06-29 2005-12-29 The Procter & Gamble Company Disposable absorbent article having barrier cuff strips
US7763004B2 (en) 2005-05-18 2010-07-27 The Procter & Gamble Company Disposable absorbent article having layered containment pockets
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IT1021849B (en) 1978-02-20
AU7437774A (en) 1976-04-29
IE39951B1 (en) 1979-01-31
DE2448752C2 (en) 1985-09-12
BE821249A1 (en)
BE821249A (en) 1975-02-17
GB1437278A (en) 1976-05-26
CH585527A5 (en) 1977-03-15
DK541574A (en) 1975-06-16
CA1057453A1 (en)
JPS59601B2 (en) 1984-01-07
ES224554U (en) 1977-01-16
AU496999B2 (en) 1978-11-16
FR2247992A1 (en) 1975-05-16
IE39951L (en) 1975-04-18
NL7413679A (en) 1975-04-22
DK137306C (en) 1978-07-31
JPS50101157A (en) 1975-08-11
SE404868B (en) 1978-11-06
SE7412756A (en) 1975-04-21
CA1057453A (en) 1979-07-03
ZA7406502B (en) 1976-05-26
NL178388C (en) 1986-03-17
NL178388B (en) 1985-10-16
DK137306B (en) 1978-02-20
DE2448752A1 (en) 1975-04-24
FR2247992B1 (en) 1979-09-21

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