GB2452260A - Nappy having an uneven outer surface when wet - Google Patents

Nappy having an uneven outer surface when wet Download PDF

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Publication number
GB2452260A
GB2452260A GB0716660A GB0716660A GB2452260A GB 2452260 A GB2452260 A GB 2452260A GB 0716660 A GB0716660 A GB 0716660A GB 0716660 A GB0716660 A GB 0716660A GB 2452260 A GB2452260 A GB 2452260A
Authority
GB
United Kingdom
Prior art keywords
nappy
layer
strips
outer layer
layers
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.)
Withdrawn
Application number
GB0716660A
Other versions
GB0716660D0 (en
Inventor
Simon Rhys David
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB0716660A priority Critical patent/GB2452260A/en
Publication of GB0716660D0 publication Critical patent/GB0716660D0/en
Publication of GB2452260A publication Critical patent/GB2452260A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • A61F13/53—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
    • A61F13/531—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 a homogeneous composition through the thickness of the pad
    • A61F13/532—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 a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
    • A61F13/5323—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 a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad having absorbent material located in discrete regions, e.g. pockets
    • 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
    • A61F13/42—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators with wetness indicator or alarm
    • 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
    • A61F13/515—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 characterised by the interconnection of the topsheet and the backsheet
    • 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
    • A61F13/15203—Properties of the article, e.g. stiffness or absorbency
    • A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
    • A61F2013/15365—Dimensions
    • A61F2013/1539—Dimensions being expandable

Abstract

A nappy comprises a first liquid permeable layer <B>2</B> adapted to lie against a person, an outer layer <B>3</B> of liquid impermeable material, absorbent material <B>4</B> between the inner <B>2</B> and outer <B>3</B> layers and spaced tie members <B>7</B> connecting the inner layer <B>2</B> and the outer layer <B>3</B> together through the absorbent material <B>4</B>. In use, when the nappy becomes wet, the absorbent material <B>4</B> swells causing the outer layer <B>3</B> between the tie members <B>7</B> to be biased away from the inner layer <B>2</B> causing the outer layer <B>3</B> to form an irregular surface which can be felt through clothing of a person wearing the nappy. The tie members <B>7</B> may be parallel, elongate strips of material forming channels of absorbent material between the inner <B>2</B> and outer <B>3</B> layers. The width of material between the strips of material in the outer layer <B>3</B> may be greater than the width of material between the strips of material in the inner layer <B>2</B>.

Description

Title: Improvements Relating to Nappies The present invention relates to improvements to nappies.
It is often desirable to ascertain whether or not a nappy is wet so that it should be changed.
Hitherto it has been necessary to inspect the nappy by removing first clothes from the person wearing the nappy and then opening the nappy. This can be tedious.
ft has been suggested to incorporate a colour changing indicator on the outside of the nappy. But this would still make it necessary to inspect the nappy by removing first clothes from the person wearing the nappy.
The invention seeks to provide a solution to this problem.
According to the present invention there is provided a nappy comprising a first inner liquid permeable layer of material adapted to lie against a person, an outer layer of liquid impermeable material, absorbent material between said first and second layers of material, and spaced tie members connecting the first and second layers of material together through the absorbent material, in use when the nappy becomes wet the absorbent material swells causing the outer layer between the tie members to be biased away from the inner layer causing an irregular surface in the outer layer s'hich can be felt through clothing of a person wearing the nappy.
Preferably the tie members are a plurality of elongate and parallel strips of material forming channels of absorbent material between the first and second layers, and undulations are formed in the second layer when the nappy is wet.
Preferably the width of material between the strips of material in the second layer is greater than the width of material between the strips of material in the first layer.
An embodiment of the invention will now be described with reference to the accompanying drawing in which: Figure 1 shows a perspective view of a nappy.
Figure 2A shows a cross section view of the nappy of Figure 1 when dry, and Figure 2B shows a cross section view of the nappy of Figure 1 when wet.
Referring to Figure 1 there is shown a nappy I. Nappy I comprises a first inner liquid permeable layer 2 of material adapted to lie against a person, an outer layer of liquid impermeable material 3, and absorbent material 4 between the first and second layers of material. Nappy I may further comprise flaps 5A,5B which, when the nappy is worn, bond with adhesive ties 6A,6B.
Spaced tie members are provided in the form of a plurality of elongate and parallel strips 7 of material connecting the first and second layers 2,3 of material together through the absorbent material forming channels of absorbent material. The width of material between the strips 7 in the second layer 3 is greater than the width of material between the strips 7 in the first layer 2.
As shown in Figure 2B, when the nappy becomes wet, the absorbent material swells causing the outer layer 3 between the strips 7 to be biased away from the inner layer 2 and undulations are formed in the second layer 3 which can be felt through clothing of a person wearing the nappy, e.g. by passing a finger over the undulations under clothing.
It is anticipated that the strips 7 could be welded or stitched to the first and second layers 2,3.
The tie members may be at least 1.5cm apart, so that the undulations are large enough to be felt.
The tie members may be other than parallel strips of material, e.g. annular strips between the first and second layers producing circular lumps the second layer when the nappy is wet. Also the tie members may be located only over a portion of absorbent area of the nappy.
The invention may take a form different to that specifically described above. For example the width of material between the strips 7 in the second layer 3 maybe.cqual the width of material between the strips 7 in the first layer 2 causing undulations in both the first and second layers.
Further modifications will be apparent to those skilled in the art without departing from the scope of the present invention.

Claims (4)

1. A nappy comprising a first inner liquid permeable layer of material adapted to lie against a person, an outer layer of liquid impermeable material, absorbent material between said first and second layers of material, and spaced tie members connecting the first and second layers of material together through the absorbent material, in use when the nappy becomes wet the absorbent material swells causing the outer layer between the tie members to be biased away from the inner layer causing an irregular surface in the outer layer which can be felt through clothing of a person wearing the nappy.
2. A nappy according to claim 1, wherein the tie members are a plurality of elongate and parallel o strips of material forming channels of absorbent material between the first and second layers, and undulations are formed in the second layer when the nappy is wet.
3. A nappy according to claim 2, wherein the width of material between the strips of material in the second layer is greater than the width of material between the strips of material in the first layer.
4. A nappy substantially as hereinbefore described with reference to and as shown in the accompanying drawings.
GB0716660A 2007-08-28 2007-08-28 Nappy having an uneven outer surface when wet Withdrawn GB2452260A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0716660A GB2452260A (en) 2007-08-28 2007-08-28 Nappy having an uneven outer surface when wet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0716660A GB2452260A (en) 2007-08-28 2007-08-28 Nappy having an uneven outer surface when wet

Publications (2)

Publication Number Publication Date
GB0716660D0 GB0716660D0 (en) 2007-10-03
GB2452260A true GB2452260A (en) 2009-03-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
GB0716660A Withdrawn GB2452260A (en) 2007-08-28 2007-08-28 Nappy having an uneven outer surface when wet

Country Status (1)

Country Link
GB (1) GB2452260A (en)

Cited By (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2506816A1 (en) * 2009-11-30 2012-10-10 Unicharm Corporation Disposable diaper
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
US20150173968A1 (en) * 2013-12-19 2015-06-25 The Procter & Gamble Company Absorbent articles having channel-forming areas and wetness indicator
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
EP2886093B1 (en) 2013-12-19 2016-09-21 The Procter and Gamble Company Absorbent Article comprising one or more colored areas
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
US9713557B2 (en) 2012-12-10 2017-07-25 The Procter & Gamble Company Absorbent article with high absorbent material content
US9713556B2 (en) 2012-12-10 2017-07-25 The Procter & Gamble Company Absorbent core with high superabsorbent 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
EP2813201B1 (en) 2013-06-14 2017-11-01 The Procter and Gamble Company Absorbent article and absorbent core forming channels when wet
US9974699B2 (en) 2011-06-10 2018-05-22 The Procter & Gamble Company Absorbent core for disposable absorbent articles
US9987176B2 (en) 2013-08-27 2018-06-05 The Procter & Gamble Company Absorbent articles with channels
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
US10292875B2 (en) 2013-09-16 2019-05-21 The Procter & Gamble Company Absorbent articles with channels and signals
US10322040B2 (en) 2015-03-16 2019-06-18 The Procter & Gamble Company Absorbent articles with improved cores
US10470948B2 (en) 2003-02-12 2019-11-12 The Procter & Gamble Company Thin and dry diaper
US10507144B2 (en) 2015-03-16 2019-12-17 The Procter & Gamble Company Absorbent articles with improved strength
US10543129B2 (en) 2015-05-29 2020-01-28 The Procter & Gamble Company Absorbent articles having channels and wetness indicator
US10561546B2 (en) 2011-06-10 2020-02-18 The Procter & Gamble Company Absorbent structure for absorbent articles
US10632029B2 (en) 2015-11-16 2020-04-28 The Procter & Gamble Company Absorbent cores having material free areas
US10639215B2 (en) 2012-12-10 2020-05-05 The Procter & Gamble Company Absorbent articles with channels and/or pockets
US10736795B2 (en) 2015-05-12 2020-08-11 The Procter & Gamble Company Absorbent article with improved core-to-backsheet adhesive
US10842690B2 (en) 2016-04-29 2020-11-24 The Procter & Gamble Company Absorbent core with profiled distribution of absorbent material
US11090199B2 (en) 2014-02-11 2021-08-17 The Procter & Gamble Company Method and apparatus for making an absorbent structure comprising channels
US11123240B2 (en) 2016-04-29 2021-09-21 The Procter & Gamble Company Absorbent core with transversal folding lines
US11207220B2 (en) 2013-09-16 2021-12-28 The Procter & Gamble Company Absorbent articles with channels and signals
US11510829B2 (en) 2014-05-27 2022-11-29 The Procter & Gamble Company Absorbent core with absorbent material pattern

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US11793682B2 (en) 2003-02-12 2023-10-24 The Procter & Gamble Company Thin and dry diaper
US10660800B2 (en) 2003-02-12 2020-05-26 The Procter & Gamble Company Comfortable diaper
US10470948B2 (en) 2003-02-12 2019-11-12 The Procter & Gamble Company Thin and dry diaper
US11135096B2 (en) 2003-02-12 2021-10-05 The Procter & Gamble Company Comfortable diaper
US11234868B2 (en) 2003-02-12 2022-02-01 The Procter & Gamble Company Comfortable diaper
US9763835B2 (en) 2003-02-12 2017-09-19 The Procter & Gamble Company Comfortable diaper
US9241845B2 (en) 2007-06-18 2016-01-26 The Procter & Gamble Company Disposable absorbent article with sealed absorbent core with substantially continuously distributed absorbent particulate polymer material
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
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
US9326896B2 (en) 2008-04-29 2016-05-03 The Procter & Gamble Company Process for making an absorbent core with strain resistant core cover
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US9192525B2 (en) 2009-11-30 2015-11-24 Unicharm Corporation Disposable diaper
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