GB2168253A - Disposable absorbent article - Google Patents
Disposable absorbent article Download PDFInfo
- Publication number
- GB2168253A GB2168253A GB08431878A GB8431878A GB2168253A GB 2168253 A GB2168253 A GB 2168253A GB 08431878 A GB08431878 A GB 08431878A GB 8431878 A GB8431878 A GB 8431878A GB 2168253 A GB2168253 A GB 2168253A
- Authority
- GB
- United Kingdom
- Prior art keywords
- absorbent core
- core means
- backsheet
- flaps
- topsheet
- 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- Withdrawn
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
- A61F13/45—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
- A61F13/47—Sanitary towels, incontinence pads or napkins
- A61F13/475—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
- A61F13/4751—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction
- A61F13/4752—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction the means being an upstanding barrier
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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Physics & Mathematics (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
A disposable absorbent article having the conventional absorbent core encased between a liquid-permeable topsheet and a liquid-impermeable backsheet is provided with thin liquid impermeable upwardly folded side flaps (27) which extend beyond the absorbent core. The side flaps may be formed by extending the backsheet beyond the absorbent core along at least part of the lateral edges of the core. <IMAGE>
Description
SPECIFICATION
Absorbent article
BACKGROUND OF THE INVENTION
This invention relates to disposable absorbent articles generally, and more particularly relates to catamenial pads and the like. Still more particularly, this invention relates to catamenial pads having upwardly folded liquid impermeable flaps along at least part of the lateral sides ofthe pad. In a preferred embodimenttheflaps are formed by having the backsheet extend beyond the periphery of the absorbent core. Optionally, the absorbent articles contain folding means which keep the flaps in the required upwardly folded position. Preferably, the folding means also imparta highly desirable longitudinal curvature to the absorbent article.
In general, disposable absorbent articles all have the same basic structure: an absorbent core which is encased between a liquid permeable, user contacting topsheet and a liquid impermeable backsheet. The priorartteachesnumerousvariationsofand elements in addition to the basic topsheet, backsheet, and absorbent core arrangements, with each variation or additional element being directed to improving a specific characteristic ofthe disposable absorbent article.
Ideally, a disposable article will exhibit good strikethrough and rewet characteristics permitting liquid to rapidly penetrate the topsheet and preventing the liquid from flowing back th rough the topsheet. It is an advantageous characteristicforthe disposable absorbent article to present a clean user contacting surface, (i.e., the topsheet does not stain or retain liquid) and forthe disposable absorbent article to protect the garments, clothing, bedding, etc. which surround the disposable article in use.
In particular in the case of catamenial pads it is desirable to improve wearing comfort by reducing the lateral dimensions ofthe pad while preventing increased soiling of the garments surrounding the pad.
It is further desirable to provide catamenial pads having soft lateral edges to increase the wearer's comfort.
It is therefore an object of the present invention to provide a disposable absorbent article providing improved prntection against soiling ofthe vicinity surrounding the area of liquid discharge while providing good wearer's comfort and convenience of use.
These and other objects of the invention will be readily apparent when considered in reference to the following description and when taken in connection with the accompanying drawings.
SUMMARY OF THE INVENTION
According to the present invention, a disposable absorbent article such as a catamenial pad is manufactured such that an absorbent core is encased between a liquid permeable topsheet and a liquid impermeable backsheet.
The disposable absorbent article is provided with thin, liquid impermeable side-flaps extending beyond the absorbent core. The side-flaps may be formed by extending the backsheet beyond the absorbent core along at least part of the lateral edge of the core. The side-flaps are folded upwardly.
Theterm"folded-upwardly"or"foldedinthe direction of the second opposed face" (of the absorbent core means) as used herein to described the side flaps indicates thefactthat, when the absorbent article is placed on a horizontal surface, the side flaps extend from the horizontal plane at a certain angle, theta.
Values oftheta suitable for the purpose of the present invention are in the range of from 200 to 90% Preferred are values oftheta in the range of from 600 to 900.
Preferably, the absorbent article is curved into the direction of the second opposed face along the longitudinal axis ofthe article. Thus, the backsheet material forms a liquid impermeable container of cup-like shape. This container will hold fluid during moments of high liquid discharge, thus allowing for the time needed for complete uptake by the absorbent core.
The degree of longitudinal curvature can conveniently be expressed as a Longitudinal Curvature
Factor (LCF), which is defined as
LCF = P/C wherein P isthe projected length between the longitudinal ends of the absorbent core means of the (curved) absorbent article, and C is the length ofthe flat core. Hence, the theoretical range of LCF val ues is from 0 (core ends touching each other) to 1 (completely flat core). Preferred absorbent articles ofthe present invention have LCFvalues in the range of from 0.20 to 0.98; more preferred are LCFvalues in the range of from 0.60 to 0.93.
Preferred embodiments ofthe present invention are disposable articles as described hereinabove, which furthercompriseoneoracombination ofthefollowingfeatures.
1 ) Folding means. This term as used herein, describes any means which assist in keeping the liquid impermeable flaps in an upwardlyfolded configuration. Depending on the method chosen,the folding means may additionally assist in maintaining the desired cup shape-like configuration of the absor- bent article. Suitable folding means can be provided by the use of a slightly tensile topsheet material which is attached to the backsheet material while the former is slightly stretched; by the use of elastics which are attached to the side-flaps whiletheformerare in their elongated state and the latter in a flattened configuration; by heat-crimpingthe side fiaps so as to reduce their dimension in the longitudinal direction ofthe absorbent article.
2) Topsheet edges. In a preferred embodiment of the disposable absorbent article ofthe present invention the topsheet is provided with side-flaps which extend beyond the periphery of the absorbent core means along the lateral edges of the core means.
Desirably, the dimensions of these topsheetflaps are such as to permit them to be folded around the liquid impermeable side flaps. Any contact ofthe wearer's skin with the side flaps is thus with topsheet material, ratherthan with the liquid impermeable (e.g. backsheet) material,thus improving the wearer's comfort.
3) Liquid impermeable seams. Particularly in executions having the topsheet edges described above it is desirable to provide liquid impermeable seams which run along at least part of the lateral edges of the absorbent core means. The means are located in the side flaps, one at each side of the absorbent core means. In a highly preferred embodimentthe liquid impermeableflapsareformed by extending the backsheet material beyond the periphery of the absorbent core means; the topsheet has topsheet flaps which extend beyond the periphery of the absorbent core means and which are folded around the backsheetflaps; and the topsheet material is affixed to both faces ofthe backsheetflaps in a manner astoform liquid impermeableseams along at least part ofthe longitudinal edges ofthe absorbent core means.
The liquid impermeable seams preferably are positioned as close as possible to the absorbent core means, e.g. at a distance of less than 10 mm, more preferably less than 5 mm, from the lateral edges of the absorbent core means.
In a more highly preferred embodimentthe topsheet material is a resilient plastic web exhibiting a fiber-like appearance resulting from its exhibiting a three-dimensional microstructure comprising a regulated continuum of debossed areas of non-uniform cross-section along their length. Web material of this typearedescribed in detail in U.S. Patent 4,342,314, issued August 3, 1982 to Radel et al, the disclosures of which are incorporated herein by reference.
Any ofthe known techniques for affixing the topsheetflap to the backsheetflap may be used to form the liquid-impermeable seam. For example, various well known heat bonding, ultrasonic bonding, or gluing procedures may be used.
4) Shaped core. This term, as used herein, describes absorbent core means in which at least part ofthe lateral edges are curved towards the center of the core. Typically, absorbent core means ofthis type possess a hour glass-like shape, although other shapes having a narrowed crotch area are possible.
5) Reverse core-profiling. It is desirable to use an absorbent core means having its maximum absorbent capacity (on a per unit of surface area basis) in the area of liquid discha rge, typical ly the crotch area. This can be achieved by providing additional absorbent material in the area of liquid discharge. This results in an absorbent core means having a non-uniform thickness; such core means will be referred to herein as "profiled cores". In art-disclosed absorbent articles the additional absorbent material is located in between the main body ofthe absorbent core means and the topsheet, i.e. the core "profile" points away from the backsheet, or "upwards".It has been discovered that, in the absorbent articles ofthe present invention, it is desirable to place any additional absorbent material between the main body ofthe absorbent core means and the backsheet. This facilitates keeping the side flaps in the required upwardlyfolded configuration, and also assists in obtaining the desired curved configuration of the absorbent core means.
Since this way of "core-profiling" is opposite to the art-disclosed methods, itwill be referred to herein as "reverse core-profiling".
Side flaps atthe preferred angle combined with the pad having a preferred LCFvaluefacilitate maintenance of a wide liquid impermeable barrier even if the core bunches during use, thus reducing soiling incidencedueto lateral bunching.
BRIEFDESCRIPTION OF THE DRAWINGS
Fig. lisa perspective view of a catameni a ' F zd according to the present invention.
Fig. 2 is a plan view ofthe catamenial pad of Fig. 1 in a flattened configuration,with portions of its compo- nents cut away.
Fig. 3 is a section view taken along section 3-30f Fig.
2.
Fig. 4 is a section viewtaken along section 4-4 of Fig.
1.
Fig. 5is a section view, as Fig. 3, of a catamenial pad having reverse core profiling.
DESCRIPTION OFA PREFERRED EMBODIMENT
Referring nowto the drawings, there is shown a preferred embodiment of the present invention as it would be used in a disposable absorbent article and, in particular, in a catamenial pad. It should be understood, however, thatthe present invention is also applicable for use in other disposable articles such as diapers, bandages and the like. As used herein, theterm "disposable article" refers to articles which are intended to absorb and contain liquids such as those discharged from the human body (e.g., blood, menses, urine), and further articles which are intended to be discarded afterasingle use (i.e., they are not intended to be laundered or otherwise restored and then reused).A catamenial pad is a disposable absorbent article which is worn byfemales external to the urogenital region and which is intended to absorb and contain menstrual fluids and other vaginal discharges.
Fig. lisa perspective view of a catamenial pad 10 incorporating the present invention. As best seen in
Fig. 3, however, the catamenial pad 10 basically comprises a liquid permeable topsheet 12, a liquid impermeable backsheet 14, and an absorbent core 16.
The absorbent core 16 has first and second opposed faces, 18and 20, respectively. The backsheet 14 overlays first opposed face 18 and is in contactwith the user's undergarments when the catamenial pad 10 is worn. The topsheet 12 overlays second opposed face20and is placed againstthe user's body when the catamenial pad 10 is worn.
Thetopsheet 12and the backsheet 14 have a topsheetflap 26and a backsheetflap 28, respectively, extending outward from the lateral edges 24 of absorbent core 16. Topsh eet fla p 26 is preferably affixedto backsheetflap 28in any mannCerand in any configuration as is well known in the catamenial pad art, such as heat crimping,thermomechanical crimp- ing or by using a hot melt adhesive. Importantly, topsheetflap 26and backsheetflap 28are not essential elements of the absorbent article ofthe present invention. Rather, these flaps are desirable for affixing the topsheetto the backsheet, thus increasing the integrity and strength of the article. Embodiments having such flapsaretherefore preferred.
The backsheet 14 is impervious to liquid and prevents liquid absorbed by the absorbent core 16 from soiling the undergarments ofthe wearer of catamenial pad 10. Preferably, backsheet 14 is a polyethylene film of from 0.012 to 0.051 mm thick, although otherflexible, liquid impervious materials may also be used. As used herein, the term "flexible
refers to materials which are compliant and which
readily conform to the shape and contours of the
human body.
Referring again to Fig. 3, it can be seen that absorbent core 16is positioned between and encased by thetopsheet 12 and the backsheet 14. Absorbent core 16is generally compressible and comformable to
body shape. The absorbent core 16may be manufac
tured in a wide variety of sizes and from a wide variety of absorbent materials such as absorbent fibrous web
or absorbentfoams, which are commonly used in
disposable absorbent articles and which are capable
of absorbing and retaining liquids. Other materials
can also be used forthe absorbent core 16such as a
multiplicity of plies of creped cellulose wadding or any
equivalent material.The absorbent capacity ofthe
material used, however, must be sufficient to absorb
and retain the expected liquid loading in the intended
use ofthe absorbent article. In a preferred embodi
ment of a catamenial pad 10 intended to receive heavy
menstrual discharges of approximately 5-1 OmI., about 6gms. of comminutedwood pulp, generally referred
to as airfelt, was used with good results.
The shape and dimensions of the absorbent core 16
are selected to fit the urogenital region of wearers of
the catamenial pad 10. While the shape and dimen
sions may be varied, it has been found that a generally
dumbell shaped absorbent core 16 having a length of
about 19.2 cm a maximum width of about 6.4 cm and a
minimum width atthe midpoint of about 5.1 cm
provides good results. However, other dimensions
and even other shapes (e.g. rectangular) may also be used for absorbent core 16.
Thetopsheet 12is liquid permeable and contacts
the skin of the catamenial pad 10 wearer. Thetopsheet 12 is compliant, soft feeling and non-i rritati ng to the wearer's skin. Further, the topsheet 12is preferably
manufactured from hydrophobic materials using any
of the well known processes for manufacturing a
liquid permeable web. Accordingly, the topsheet 12,
for example, be carded, spunbonded, melt blown or
airlaid and may be fibrous or may be continuous film
which is either apertured or embossed and apertured.
A preferred topsheet 12is a resilientplasticweb exhibiting a fiber-like appearance resulting from its
having a three-dimensional microstructure compris
ing a regulated continuum of debossed areas of
non-uniform cross-section along their length. Plastic
webs of this kind, as well as their manufacture, are
disclosed in U.S. Patent4,342,314to Radel et al,the
disclosures of which are incorporated herein by
reference.
Referring now to both Figs. pant 3, the backsheet 14
has sideflaps 29extending beyond the longitudinal
edges 24 of absorbent core 16. The width of the
sideflaps attheir narrowest point 29 is preferably from
1 to 6, more preferably from 3 to 4 times the caliper of
the absorbent core, as measured atthe center of the
core.
As can be seen from Fig. 3, the topsheet 12 is
wrapped all round the combined structure formed by the absorbent core 16, the backsheet sideflaps 29and the backsheet 14, resulting in a catamenial pad of a
structure commonly referred to in the industry as
"tubular". Sandwich-like structures are also suitable for the absorbent articles of the present invention.
However, when sandwich-like structures are used, it is desirable to provide topsheet sideflaps 27which are wide enough to be folded around the backsheet sideflaps 29and to be affixed to the lower or outer face 13 of backsheet 14 at impermeable seams 32. In this manner, the edges 34 ofthe backsheet sideflaps 29 are covered with a layer of topsheet material, thus minimizing discomfort to the wearer of the absorbent article.
In the embodiment of Fig. 4the topsheet 12 is folded around the absorbent core means 16to touch the backsheet 14 right next to the lateral edge 24 of said absorbent core means 16. At this point the liquid impermeable seam 32 is formed. It is also possible to fold the backsheet 14 around the absorbent core means 16, such as to have the backsheet 74touch the topsheet 12 in the plane ofthe topsheetface 20 of absorbent core means 16.
The impermeable seams 32 run alongside part of the lateral edges 240f the absorbent core 16. The impermeable seam is formed by affixing the topsheet
12to the backsheet sideflaps 29. Preferably, the topsheet 12 is folded all around the structure, or at least around the backsheet flaps 29, as described hereinabove fortubular structures and sandwich-like structures, respectively. This permits the topsheet to be affixed to the lower (outer) face 13 of backsheet 14 as well, thus ensuring that the edges 34 ofthe backsheet sideflaps 29 remain covered with topsheet material. Most preferably, the topsheet material covers the strips of elastic material 21 as well.Any of the well-known techniques for affixing thetopsheet 12 to the backsheet 14 may be used to form the liquid impermeable seams 32. For example, various wellknown heat bonding or gluing procedures may be used.
The strips of elastic material 21 are affixed to the backsheet material. Prior to affixing, the strips are stretched to 1 50-300%, preferably about 200%, their original length. The strips are preferably placed at a distance of 1 to 5 mm from the outer edge ofthe side flaps. The elastics act as folding means, that is, they keep the backsheet sideflaps 29in a upwardly folded configuration. At the same time, the strips of elastic material impart a curvature to the absorbent core, as shown in Fig. 1. Instead of elastic strips, other elastic means, like heatshrinkabletape orelasticglue, may be used. The backsheet 14 has a cup-like configuration, thus providing a reservoir capable of holding menstrual fluid at incidents of large flow and allowing the time necessary for complete uptake by the absorbent core 16.
Referring now to Fig. 5,the preferred embodiment shown in a flattened configuration, has a reversely profiled core, that is, in the crotch area the absorbent core 16 has an amount of additional absorbent material 17placed between the main body of the absorbent core 16 and the backsheet 14. As a result, the absorbent core has a non-uniform thickness, the core being thicker in the crotch area. The core has a smooth face 52facing the topsheet 12, and a contoured face 54,facing the backsheet 14. This configuration, referred to herein as reverse core profiling,facilitates obtaining a cup-like configuration ofthe backsheet 74; itfurtherfacilitates bending the absorbent core 16along the contours of the wearer's body. It has also been found that reverse core profiling reducestheincidenceoftopsheetwrinking during use of the absorbent article.
While particular embodiments of the present invention have been illustrated and described, it will be obvious that modifications can be made without departing from the spirit and scope of the invention.
Claims (14)
1. A disposable absorbent article comprising:
a) an absorbent core means for absorbing liquid, said absorbent core means having a first and a second opposed face and two lateral sides;
b) a liquid-impermeable backsheet overlaying said first opposed face of said absorbent core means, said backsheet having an innerface and an outerface, said innerfacefacing said absorbent core means; and
c) a liquid -permeabletopsheet overlaying said second opposed face of said absorbent core means; characterized in having side-flaps extending beyond the periphery of said first opposed face atthe lateral sides of said absorbent core means, overfrom 1 to 6 times the caliperofthe absorbent core means, said side flaps being folded in the direction of said second opposed face.
2. A disposable absorbent article according to
Claim 1, characterized in that itfurthercomprises a folding means for keeping the side flaps folded in the direction of said second opposed face.
3. A disposable absorbent article according to
Claim 2, characterized in thatthefolding means is formed by elastic strips longitudinally attached to the side flaps.
4. A disposable absorbent article according to
Claim 2 or3, characterized in that the folding means is formed at least in part in that the topsheet is of a tensile material which is stretched and attached to the side flaps.
5. A disposable absorbent article according to any of 1 through 4, characterized in that the topsheet has topsheet flaps which are folded around the side flaps.
6. A disposable absorbent article according to any of claims 1 through 5 characterized in thatthe side flaps are formed by extending the backsheet beyond the absorbent core means along at least part of the lateral edges of the core means.
7. A disposable absorbent article according to any of Claim 6 further characterized in thatthe topsheet flaps are affixed to the backsheetflaps at both the innerface and the outerface of the backsheet in a manner asto form liquid impermeable seams along at least part ofthe lateral sides ofthe absorbent core.
8. A disposable absorbent article according to any of Claims 1 through 7, characterized in that at least part ofthe lateral edges of said absorbent core means are curved towards the center of said absorbent core means.
9. A disposable absorbent article according to any of Claims 1 through 8, characterized in thatthe absorbent core means is profiled in the direction of the backsheet.
10. Adisposable absorbent article according to any of claims 1 through 9, characterized in thatthe backsheetflaps are folded upwardly at an angle of from 600 to 900.
11. A disposable absorbent articie according to any of Claims 1 through 10 characterized in thatthe article is longitudinally curved and has a longitudinal curvaturefactor(LCF) of from 0.20 to 0.98.
12. A disposable absorbent article according to
Claim 11 characterized in that it has a longitudinal curvature factor (LCF) of from 0.60 to 0.93.
13. Acatamenial pad comprising: a) an absorbent core means for absorbing liquid, said absorbent core means having a first and a second opposed face and two lateral sides;
b) aliquid-impermeablebacksheetoverlaying said first opposed face of said absorbent core means, said backsheet having an innerface and an outerface, said innerface facing said absorbent core means; and
c) a liquid-permeable topsheet overlaying said second opposed face of said absorbent core means; characterized in that the backsheet has backsheet flaps extending beyond the periphery of said first opposedfaceatthe lateral sides of said absorbent core overfrom 1 to 6times the caliper of said absrbent core means, said backsheetflaps being folded in the direction of said second opposed face; in that the topsheet has topsheetflaps extending beyond the periphery ofthe absorbent core means atthe lateral sides, said topsheetflaps being folded around the backsheetflaps and affixed to the backsheet flaps at both the innerface and the outer face ofthe backsheet, in a manner asto form liquid-impermeable seams; and in that it has a strip of elastic material affixed to the either backsheetflap along at least part of the lateral sides ofthe absorbent core means, said elastic strips acting as a folding means for keeping the backsheet flaps folded in the direction of said second opposed face.
14. A catamenial pad according to Claim 13 further characterized in that at least part ofthe lateral sides of said absorbent core means are curved toward the centerofsaid absorbent core means and in thatthe absorbent core means is profiled in the direction of the backsheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB08431878A GB2168253A (en) | 1984-12-18 | 1984-12-18 | Disposable absorbent article |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB08431878A GB2168253A (en) | 1984-12-18 | 1984-12-18 | Disposable absorbent article |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB8431878D0 GB8431878D0 (en) | 1985-01-30 |
| GB2168253A true GB2168253A (en) | 1986-06-18 |
Family
ID=10571340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB08431878A Withdrawn GB2168253A (en) | 1984-12-18 | 1984-12-18 | Disposable absorbent article |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2168253A (en) |
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2188532A (en) * | 1986-03-31 | 1987-10-07 | Uni Charm Corp | Disposable diaper |
| US4758241A (en) * | 1987-06-18 | 1988-07-19 | Papajohn Elissa D | Menstrual and incontinence pad |
| US4770657A (en) * | 1986-05-28 | 1988-09-13 | Kimberly-Clark Corporation | Three-dimensional shaped feminine pad with absorbent in the elasticized edges |
| GB2168888B (en) * | 1984-12-19 | 1989-06-07 | Kimberly Clark Co | Disposable garment |
| EP0331018A1 (en) * | 1988-02-26 | 1989-09-06 | McNEIL-PPC, INC. | Sanitary napkin with expandable flaps |
| US4904251A (en) * | 1987-03-30 | 1990-02-27 | Uni-Charm Corporation | Disposable diaper |
| USRE33351E (en) * | 1987-06-18 | 1990-09-25 | Menstrual and incontinence pad | |
| GB2233235A (en) * | 1989-06-27 | 1991-01-09 | Kao Corp | Absorbent pad with resilient side flaps |
| JPH0315510U (en) * | 1989-06-27 | 1991-02-15 | ||
| WO1993012747A1 (en) * | 1991-12-20 | 1993-07-08 | The Procter & Gamble Company | Elasticized sanitary napkin |
| WO1995031162A1 (en) * | 1994-05-16 | 1995-11-23 | SCA Mölnlycke AB | A disposable liquid absorbent article |
| US5542941A (en) * | 1991-11-29 | 1996-08-06 | The Procter & Gamble Company | Absorbent article having elasticized side flaps |
| US5558657A (en) * | 1992-07-23 | 1996-09-24 | The Procter & Gamble Company | Absorbent articles having overlapping undergarment covering components that automatically wrap the sides of undergarments |
| US5584829A (en) * | 1991-05-21 | 1996-12-17 | The Procter & Gamble Company | Absorbent articles having panty covering components that naturally wrap the sides of panties |
| US5611790A (en) | 1990-06-18 | 1997-03-18 | The Procter & Gamble Company | Stretchable absorbent articles |
| US5658269A (en) | 1990-10-29 | 1997-08-19 | The Procter & Gamble Company | Extensible absorbent articles |
| US5674212A (en) | 1990-10-29 | 1997-10-07 | The Procter & Gamble Company | Extensible absorbent articles |
| US5676652A (en) * | 1992-07-23 | 1997-10-14 | The Procter & Gamble Company | Absorbent articles having undergarment covering components with mechanical fasteners having improved tactile properties |
| US5713884A (en) | 1990-06-18 | 1998-02-03 | The Procter & Gamble Company | Stretchable absorbent articles |
| US5716349A (en) * | 1991-07-23 | 1998-02-10 | The Procter & Gamble Company | Absorbent article having longitudinal side margins with tucks |
| US5891121A (en) * | 1992-07-23 | 1999-04-06 | The Procter & Gamble Company | Absorbent articles having undergarment covering components especially suited for folding around the edges of an undergarment |
| US5972806A (en) * | 1994-07-20 | 1999-10-26 | The Procter & Gamble Company | Absorbent articles having undergarment covering components with zones of extensibility |
| US6059764A (en) | 1990-06-18 | 2000-05-09 | The Procter & Gamble Company | Stretchable absorbent articles |
| US6358233B1 (en) | 1996-03-13 | 2002-03-19 | The Procter & Gamble Company | Arcuate absorbent article with laterally extending flaps having longitudinal stretch |
| US6358234B1 (en) | 1990-01-23 | 2002-03-19 | The Procter & Gamble Company | Absorbent article having deformed hinge and zones of extensibility |
| US6503238B1 (en) | 2000-06-16 | 2003-01-07 | Sca Hygiene Products Ab | Disposable liquid absorbent article with elasticizing members |
| US7811271B2 (en) | 2005-09-09 | 2010-10-12 | The Procter & Gamble Company | Absorbent article having flap activation |
| WO2020242356A1 (en) * | 2019-05-29 | 2020-12-03 | Essity Hygiene And Health Aktiebolag | Absorbent pad with elastic elements |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2787271A (en) * | 1953-12-07 | 1957-04-02 | Clark Myrna Catherine | Sanitary napkin |
| US4285343A (en) * | 1979-10-16 | 1981-08-25 | Mcnair Rosetta M | Sanitary napkin |
| EP0091412A2 (en) * | 1982-04-01 | 1983-10-12 | Mölnlycke AB | Absorbent product |
| GB2143439A (en) * | 1983-07-05 | 1985-02-13 | Procter & Gamble | Sanitary napkin |
| GB2161384A (en) * | 1984-03-20 | 1986-01-15 | Procter & Gamble | Shaped sanitary napkin with flaps |
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1984
- 1984-12-18 GB GB08431878A patent/GB2168253A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2787271A (en) * | 1953-12-07 | 1957-04-02 | Clark Myrna Catherine | Sanitary napkin |
| US4285343A (en) * | 1979-10-16 | 1981-08-25 | Mcnair Rosetta M | Sanitary napkin |
| EP0091412A2 (en) * | 1982-04-01 | 1983-10-12 | Mölnlycke AB | Absorbent product |
| GB2143439A (en) * | 1983-07-05 | 1985-02-13 | Procter & Gamble | Sanitary napkin |
| GB2161384A (en) * | 1984-03-20 | 1986-01-15 | Procter & Gamble | Shaped sanitary napkin with flaps |
Cited By (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2168888B (en) * | 1984-12-19 | 1989-06-07 | Kimberly Clark Co | Disposable garment |
| GB2188532A (en) * | 1986-03-31 | 1987-10-07 | Uni Charm Corp | Disposable diaper |
| US4770657A (en) * | 1986-05-28 | 1988-09-13 | Kimberly-Clark Corporation | Three-dimensional shaped feminine pad with absorbent in the elasticized edges |
| US4904251A (en) * | 1987-03-30 | 1990-02-27 | Uni-Charm Corporation | Disposable diaper |
| US4758241A (en) * | 1987-06-18 | 1988-07-19 | Papajohn Elissa D | Menstrual and incontinence pad |
| USRE33351E (en) * | 1987-06-18 | 1990-09-25 | Menstrual and incontinence pad | |
| GR890100117A (en) * | 1988-02-26 | 1994-03-31 | Mcneil Ppc Inc | Sanitary napkin with distended flaps |
| EP0331018A1 (en) * | 1988-02-26 | 1989-09-06 | McNEIL-PPC, INC. | Sanitary napkin with expandable flaps |
| GB2233235A (en) * | 1989-06-27 | 1991-01-09 | Kao Corp | Absorbent pad with resilient side flaps |
| JPH0315510U (en) * | 1989-06-27 | 1991-02-15 | ||
| US6358234B1 (en) | 1990-01-23 | 2002-03-19 | The Procter & Gamble Company | Absorbent article having deformed hinge and zones of extensibility |
| US6287288B1 (en) | 1990-06-18 | 2001-09-11 | The Procter & Gamble Company | Stretchable absorbent articles |
| US5713884A (en) | 1990-06-18 | 1998-02-03 | The Procter & Gamble Company | Stretchable absorbent articles |
| US6059764A (en) | 1990-06-18 | 2000-05-09 | The Procter & Gamble Company | Stretchable absorbent articles |
| US5824004A (en) | 1990-06-18 | 1998-10-20 | The Procter & Gamble Company | Stretchable absorbent articles |
| US5611790A (en) | 1990-06-18 | 1997-03-18 | The Procter & Gamble Company | Stretchable absorbent articles |
| US5702382A (en) | 1990-06-18 | 1997-12-30 | The Procter & Gamble Company | Extensible absorbent articles |
| US5658269A (en) | 1990-10-29 | 1997-08-19 | The Procter & Gamble Company | Extensible absorbent articles |
| US5674212A (en) | 1990-10-29 | 1997-10-07 | The Procter & Gamble Company | Extensible absorbent articles |
| US5683375A (en) | 1990-10-29 | 1997-11-04 | The Procter & Gamble Company | Extensible absorbent articles |
| US5795349A (en) * | 1991-05-21 | 1998-08-18 | The Procter & Gamble Company | Absorbent articles having panty covering components that naturally wrap the sides of panties |
| US5584829A (en) * | 1991-05-21 | 1996-12-17 | The Procter & Gamble Company | Absorbent articles having panty covering components that naturally wrap the sides of panties |
| US5716349A (en) * | 1991-07-23 | 1998-02-10 | The Procter & Gamble Company | Absorbent article having longitudinal side margins with tucks |
| US5542941A (en) * | 1991-11-29 | 1996-08-06 | The Procter & Gamble Company | Absorbent article having elasticized side flaps |
| US5234422A (en) * | 1991-12-20 | 1993-08-10 | The Procter & Gamble Company | Elasticized sanitary napkin |
| TR26372A (en) * | 1991-12-20 | 1995-03-15 | Procter & Gamble | FLEXIBLE HYGIENIC PIECE |
| WO1993012747A1 (en) * | 1991-12-20 | 1993-07-08 | The Procter & Gamble Company | Elasticized sanitary napkin |
| AU674135B2 (en) * | 1991-12-20 | 1996-12-12 | Procter & Gamble Company, The | Elasticized sanitary napkin |
| US5755711A (en) * | 1992-07-23 | 1998-05-26 | The Procter & Gamble Company | Absorbent articles having overlapping undergarment covering components that automatically wrap the sides of undergarments |
| US5558657A (en) * | 1992-07-23 | 1996-09-24 | The Procter & Gamble Company | Absorbent articles having overlapping undergarment covering components that automatically wrap the sides of undergarments |
| US5891121A (en) * | 1992-07-23 | 1999-04-06 | The Procter & Gamble Company | Absorbent articles having undergarment covering components especially suited for folding around the edges of an undergarment |
| US5676652A (en) * | 1992-07-23 | 1997-10-14 | The Procter & Gamble Company | Absorbent articles having undergarment covering components with mechanical fasteners having improved tactile properties |
| WO1995031162A1 (en) * | 1994-05-16 | 1995-11-23 | SCA Mölnlycke AB | A disposable liquid absorbent article |
| US5752946A (en) * | 1994-05-16 | 1998-05-19 | Sca Molnlycke Ab | Disposable liquid absorbent article |
| US5972806A (en) * | 1994-07-20 | 1999-10-26 | The Procter & Gamble Company | Absorbent articles having undergarment covering components with zones of extensibility |
| US6077255A (en) * | 1995-07-17 | 2000-06-20 | The Procter & Gamble Company | Absorbent articles having undergarment covering components with mechanical fasteners having improved tactile properties |
| US6358233B1 (en) | 1996-03-13 | 2002-03-19 | The Procter & Gamble Company | Arcuate absorbent article with laterally extending flaps having longitudinal stretch |
| US6503238B1 (en) | 2000-06-16 | 2003-01-07 | Sca Hygiene Products Ab | Disposable liquid absorbent article with elasticizing members |
| US7811271B2 (en) | 2005-09-09 | 2010-10-12 | The Procter & Gamble Company | Absorbent article having flap activation |
| WO2020242356A1 (en) * | 2019-05-29 | 2020-12-03 | Essity Hygiene And Health Aktiebolag | Absorbent pad with elastic elements |
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| Publication number | Publication date |
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| GB8431878D0 (en) | 1985-01-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |