CN1206341A - Disposable absorbent article - Google Patents
Disposable absorbent article Download PDFInfo
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- CN1206341A CN1206341A CN 96199378 CN96199378A CN1206341A CN 1206341 A CN1206341 A CN 1206341A CN 96199378 CN96199378 CN 96199378 CN 96199378 A CN96199378 A CN 96199378A CN 1206341 A CN1206341 A CN 1206341A
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- absorbent article
- top flat
- core
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- disposable absorbent
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Abstract
The present invention relates to an absorbent article comprising a topsheet (1), backsheet (2) and core (3) wherein said core comprises at least two depressed areas forming channels (5).
Description
Technical field
The present invention relates to disposable absorbent article, as diaper or sanitary towel, these class articles for use have improved the transfer rate of fluid from the top flat to the absorbent article core.
Background technology
Hygienic article such as sanitary towel, baby diapers, moisture absorption insert and moisture absorption adult-incontinence articles is that this public territory is known.All these absorbent devices generally include a surface and the surface towards medicated clothing towards the wearer.Accept to absorb liquid and slop (as menstruation) on the top flat towards wearer's surface, then they are transferred in the moisture-absorbent member or absorbent article core that stores them.
The described known top flat in this area comprises supatex fabric, Woven fabric and thin film.Weave or supatex fabric is made of fiber, according to the throughput direction of selected liquid by them, these fibers provide the hole with different and varying dimensions natively.That thin film normally is made of polymeric material and become infiltrative by perforation.Usually these holes of design provide the specific characteristic (as the fluid transmission of orientation) and the shape and size in these holes to change.The wall in these holes limits the direction that the amount (if having outside the plane that exceeds film thickness) of extending and this class are extended, and common shape with funnel provides these holes.Can hold the fluid deposition of not commensurability and different rates and Excreta is transferred to absorbent article core with this mode top flat.
In order to obtain the maximum fluid transmission from the top flat to the absorbent article core, top flat is typically connected on the absorbent article core.Except guarantee between top flat and the absorbent article core directly and contact closely, thereby make things convenient for fluidic transmission, the connected mode of top flat and absorbent article core also guarantees the stability of product and the integrity of absorbent article core, particularly during use.
Can adopt multiple distinct methods that top flat is connected on the absorbent article core.A kind of this method comprises the use adhesive.Adhesive is administered on the absorbent article core with spray or spiral form usually, thereby absorbent article core is covered by adhesive basically fully before being placed into top flat on the absorbent article core.But the use of method of attachment (particularly adhesive) has caused many problems.Top flat trends towards being clamminess feeling to be increased, and this is the needs that the utmost point does not conform with consumer.And, the fluid transmission performance of top flat and affecting adversely.This is the minimizing owing to the available fluid transmission table area that is caused by adhesive obstruction top flat.
Therefore, the purpose of this invention is to provide the absorbent device with acceptable fluid transmission distribution from the top flat to the absorbent article core, this is to realize by the top flat that top flat is closely contacted each other with absorbent article core and provide the sense of being clamminess when using to reduce.
Have now found that this problem can realize by only in some specific zone top flat being connected with absorbent article core., and top flat is linked to each other with core material forming passage at these specific region compressed core materials at these sunk areas.Think that the existence of passage causes crossing top flat and is applied with tension force, thus reach and holding core and top flat between closely with directly contact.Only need connect in the zone of depressing of chip, thereby have reduced the amount of required connection material.And, except the amount of the used connection material that reduces economically valuable, the sense of being clamminess when the present invention has also reduced the use of top flat.
Another advantage that contains the absorbent device of passage of the present invention is that passage has also promoted the fluid transfer rate from the top flat to the absorbent article core.
Described in this area and in absorbent device, used passage to finish different functions.For example, US 3,575, and 174 disclose sanitary towel's (smooth or crooked), and it is to keep the configuration that is shaped by the deep channel that is pressed into cover plate and enters the extrusion of absorbent article core.Make up sanitary towel so as cosily to keep with the direct of wearer's health with contact closely so that effectively utilize its moisture absorption capacity.
US 4,392, and 862 relate to the absorbent device with improved body contacting surface similarly.These articles for use comprise the surface layer parts of a saturating liquid, support component, an absorbent article core and a liquid-tight egative film of a saturating liquid, and they are stacked on top of each other.It is too weak and can not use separately that the document has disclosed these surface layer parts itself, and thereby be attached on the support component by the adhesion area that separates, form an assembly, then this assembly is stacked on the absorbent article core.The edge that the document has also been described articles for use can become single articles for use with four stacked unit constructions with any method (as hot melt adhesive).
US 3,575, and 174 have described the sanitary towel that the embossing passage of placing by the longitudinal edge that uses contiguous sanitary towel reduces the probability of contamination or side leakage.Wearer's thigh works to these passages, forms a closed containers thereby the side of sanitary towel is folding.The passage of embossing is to measure fully with complete scarce formation between the whole operating period that remains on protective pad by each layer of compression protective pad.
US 4,041, and 951 relate to absorbent device (as disposable urine napkin), and these articles for use give user dry and comfortable surface sense.These articles for use comprise the plane moisture absorption layer that is placed between permeable top flat and the fluid-tight egative film.Top flat comprises the sunk area of the uppermost surface of a plurality of tight contact moisture absorption layers.Sunk area does not contact the skin of user.Accompanying drawing illustrates except that depressing the top flat in zone and does not contact with moisture absorption layer.US 4,624, and 666 passages of depressing that disclosed use sanitary towel improve the fluid transmission performance and a cover plate with cleaning and dry and comfortable performance is provided.
US 4,781, and 710 relate to the moisture absorption protective pad that has improved liquid distribution and keep.Protective pad comprises the pattern of compacting, and wherein low-density tow district (tuft regions) is separated by passage and surrounds relatively.This passage comprises storage area and transmission range.Protective pad comprise top flat, egative film and be placed on top flat and egative film between the moisture absorption protective pad, preferably between each layer of thin paper.Top flat and egative film preferably stretch out absorbent article core and the edgewise edge is fixed together.Perhaps, can be by top flat being fixed on the intermediate member and with the top flat indirect securement to egative film.
The document neither one of above-mentioned prior art is recognized or is solved and reduces the direct problem that contacts that top flat and cementability between the absorbent article core keep top flat and absorbent article core simultaneously.And, although passage is well known in the art, specifically uses them and solve problem of the present invention and also do not describe.
Summary of the invention
Disposable absorbent article of the present invention comprises top flat, an egative film and the absorbent article core between this top flat and this egative film of a saturating liquid, and each all has one towards wearer's surface with one towards the surface of medicated clothing this top flat, substrate and absorbent article core,
This top flat and this egative film are connected to each other at the periphery of described absorbent article core and are in the same place,
Described absorbent article core has at least two sunk areas that form passage, the degree of depth of each described sunk area be at least described core thickness at least 25%, each described sunk area forms the tensile region, the tensile region can not arrive the periphery of described absorbent article core or another tensile region in the extension on every side of described sunk area, and
The described described absorbent article core in the medicated clothing face is connected to described tensile region enduringly of described top flat on wearer's surface.
Accompanying drawing summary Fig. 1 is the perspective plan view of the preferred embodiment of absorbent device of the present invention, and Fig. 2 is the partial cross sectional view of the II-absorbent device that the II line is got along Fig. 1.
Detailed Description Of The Invention
The present invention relates to disposable absorbent article, as sanitary towel, baby diapers, incontinence product and scanties lining.Absorbent device of the present invention comprises the following basic element of character: saturating liquid top flat (1), egative film (2) and the absorbent article core between top flat and egative film (3).Each all has a surface and the surface towards medicated clothing towards the wearer top flat, egative film and absorbent article core.Locate to be connected to each other at the periphery (4) of described absorbent device and be in the same place in the surface towards the wearer towards medicated clothing face and egative film of top flat.Absorbent article core
Absorbent article core of the present invention can comprise following parts: (a) optional main fluid Distribution Layer, preferably with optional secondary fluid Distribution Layer; (b) fluid storage layer; (c) being positioned at of choosing wantonly stores following fiber (" the dedusting ") layer of layer; (d) other optional feature.Absorbent article core of the present invention final use on the estimation can have any thickness.In a preferred embodiment of the invention, wherein absorbent device is sanitary towel or scanties lining, and the thickness of absorbent article core is the 2-20 millimeter, preferred 4-17 millimeter, most preferably 6-12 millimeter.A. master/secondary fluid Distribution Layer
An optional feature of absorbent article core of the present invention is main fluid Distribution Layer and secondary fluid Distribution Layer.Main Distribution Layer be usually located at the following of top flat and with the top flat fluid communication.Top flat is transferred to this main Distribution Layer with collected fluid and is used to be finally allocated to the storage layer.Should not occur over just on the thickness by the fluid transmission of this Distribution Layer, also occur on the length and width of absorbent device.Optional and preferred secondary Distribution Layer be usually located at the following of this main Distribution Layer and with main Distribution Layer fluid communication.The purpose of this pair Distribution Layer is to collect the fluid of main Distribution Layer easily and it is transferred to following storage layer fast.This helps to make full use of the fluid displacement of following storage layer.This fluid distribution layer can be made of any material that is generally used for this class Distribution Layer.Particularly fibrous layer keeps the capillarity between the fiber, in addition when wet layer also like this as Distribution Layer.B. fluid storage layer
The fluid storage layer is usually located at following and and the fluid communication of main or secondary Distribution Layer.The fluid storage layer can comprise any hygroscopic material commonly used or its combination.It often preferably includes sucting wet gel material and the suitable carriers that is called " hydrogel ", " superabsorbent ", " hydrocolloid " material.
Sucting wet gel material can absorb a large amount of aqueous body fluids, and can retain the body fluid that this class absorbs under middle pressure.Sucting wet gel material can evenly or anisotropically be dispersed in the suitable carriers.Suppose that carrier is moisture absorption like this, also can use suitable carriers individually.
The suitable sucting wet gel material that the present invention uses generally includes water-insoluble, crosslinked slightly basically, the neutral polymer gel material of part.When contacting with water, this material forms hydrogel.This base polymer material can be by polymerisable, unsaturated acidiferous monomer well known in the art.
Suitable carriers comprises material commonly used in the absorbent structure, as natural, modification or synthetic fibers, particularly modification or unmodified cellulose fiber, is fine hair shape and/or thin paper shape.Suitable carriers can be used with sucting wet gel material, but they can be used alone or in combination.The most preferably thin paper of sanitary towel and scanties lining aspect or thin paper lamination.
The embodiment of the absorbent structure of manufacturing of the present invention comprises thin paper folding and double-deck thin paper of forming on himself.These layer for example available adhesive or mechanical interlockings or hydrogen bridge band and be connected to each other.Sucting wet gel material or other optional material can be included between these layers.
Also can use the cellulose fibre of modification, as stiffening cellulose fibre.Also can use synthetic fibers and comprise that those are by cellulose acetate, polyvinyl fluoride, Vingon, acrylic compounds (as the polyacrylonitrile silk), polyvinyl acetate, insoluble polyvinyl alcohol, polyethylene, polypropylene, polyamide (as nylon), polyester, bicomponent fibre, tricomponent fibre, its mixture and analog.Fiber surface is preferably hydrophilic or be processed into hydrophilic.Store layer and also can comprise packing material, as perlite, kieselguhr, Vermiculitum etc. to improve the liquid retention.
If sucting wet gel material is dispersed in the carrier unevenly, layer also can local uniform but store, and promptly has the distribution gradient on one or several direction in the magnitude range that stores layer.Non-uniform Distribution also can refer to partly or entirely surround the carrier lamination of sucting wet gel material.C. Ren Xuan fiber (" bottoming ") layer
The optional components that is included in the absorbent article core of the present invention is to be close to and to be usually located to store the following fibrous layer of layer.The fibrous layer of this lower floor is commonly referred to " bottoming " layer (" dusting " layer), because in the manufacture process of absorbent article core, it provides deposition to store the substrate of the sucting wet gel material in the core.Really, when sucting wet gel material is macrostructure form (as fiber, lamellar or strip), do not need to add this fiber " bottoming " layer.But, should provide some additional fluid treatment abilities by " bottoming " layer, as the quick wicking of fluid along protective pad length.D. other optional components of absorbent structure
Absorbent article core of the present invention can comprise other optional components that exists usually in the moisture absorption net.For example, strengthening rare gauze (reinforcing scrim) can be arranged in each layer of absorbent article core or between each layer.To such an extent as to strengthening rare gauze, this class should have the interface barrier that such configuration does not form FLUID TRANSPORTATION.Suppose to strengthen rare gauze and have the structural intergrity that exists usually as the heat bonding result, they are normally unwanted for the absorbent structure of heat bonding.
Can add in the absorbent article core of the present invention and preferred near or another parts of providing as the part of main or secondary fluid Distribution Layer are odor control agents.The active carbon of coating or other odor control agent (particularly suitable zeolite or clay material) are optional to join in the absorbent structure.Can add these components with the form of any needs, but normally add with discrete granule.Absorbent article core passage (1)
According to the present invention, a basic feature of absorbent article core is that it comprises at least two sunk areas, and they form passage (5).Term used herein " sunk area " refers to the thickness (8) of the degree of depth under ambient pressure (7) less than the absorbent article core of its uncompressed state or configuration.
The degree of depth of each passage be described core thickness at least 25%, be preferably at least 75%, more preferably at least 95% of core thickness, most preferably at least 99%.According to the final use of expection, passage can have the different degree of depth.For example, the channel depth as the slim absorbent product (normally 6～10 millimeters of the thickness of its SMIS) of scanties lining is generally 9.6～6.1 millimeters.But thickness is generally 11～20 millimeters thicker product, correspondingly has the bigger degree of depth as the passage of thick sanitary towel.Preferably in identical product, depress the zone and also have the essentially identical degree of depth.
Each sunk area of passage of the present invention (5) forms tensile region (6).Here the term of usefulness " tensile region " refers to extend around the zone and can not arrive the zone of the periphery of described core or another tensile region described depressing.The distance that stretch out preferably described tensile region be no more than between the adjacency channel or the periphery of passage and described core between (whichsoever shorter) beeline 45%, preferably be no more than 25%, be most preferably not exceeding 15%.This distance be no more than usually passage Breadth Maximum 50%, preferably be no more than 25%.In the embodiment preferred, this tensile region does not exceed depresses the zone.
Passage of the present invention can have virtually any size and can have any configuration (as sphere, oblong or rectangle).Preferably, passage be strip and along the length longitudinal extension of core, and similar with the peripheral shape of absorbent device.
Passage can be positioned at any position on the core.In an embodiment preferred of the present invention, wherein absorbent device is as scanties lining or sanitary towel, the periphery of the more close absorbent article core of optimum seeking site of passage (comparing with the center of absorbent article core), and more preferably peripheral substantially parallel with absorbent article core or absorbent device.More preferably said passage is positioned at the crotch portion of core.According to the present invention, the symmetric vertical/vertical plane (I-I) of preferred at least two the relative crotch of passage portions fully relatively.
Can form the passage of absorbent article core of the present invention with any method well known in the art.Suitable method comprises uses embossing (hot, cold or chilling press) or quilting to form passage.Top flat
According to the present invention, absorbent device comprises the top flat as the basic element of character.Top flat can comprise a single or multiple lift.In an embodiment preferred, top flat comprise provide top flat towards the ground floor on the surface of user and the second layer between ground floor and the absorbent structure/core.
Top flat is done as a whole and each layer needs are submissive, soft feelings and non-stimulated to wearer's skin.It also can have elastic characteristic, and it can be stretched in one or two direction.According to the present invention, top flat can be made by the obtainable any material of this purpose that is used for known in the art, as weaves and supatex fabric and thin film.In an embodiment preferred of the present invention, one deck at least of top flat (preferred upper strata) comprises the porous polymer film of liquid.Preferably, the upper strata is made by porous film material, provide these holes with make things convenient for fluid from towards wearer's surface towards the transmission of absorbent structure.The low layer of top flat (if existence) is selected from the thin paper of non-woven fabric layer, porous membrane or air lay.
A basic feature of the present invention is the surface towards the wearer of the described absorbent article core in the medicated clothing surface is connected to described tensile region enduringly of described top flat.Preferably, top flat only is connected on the core in the described tensile region, and the periphery of described top flat and core (more preferably top flat) only is connected on the core in the described tensile region lastingly.Similarly, if top flat is made of multilamellar, all adjacent layers of top flat are connected with each other on the position of corresponding described tensile region.
Here the term of usefulness " connection " refers to the method for two adjacent layers of immobilization material well known in the art.That suitable method of attachment comprises is bonding, the fusion is bonding, ultra-sonic welded, pin seam, heat (as crease) and/or pressure is bonding or dynamic power machine is bonding.According to a preferred embodiment of the present invention, preferably connection means are adhesive.Suitable adhesive comprises the non-pressure-sensitive and cold adhesive that obtains from Findlay and Fullers.Can use adhesive with any way well known in the art, cover, control coating (control coating) and printing as spiral coating, line of rabbet joint coating, spraying, curtain flow coat.By using above-mentioned a kind of mode that adhesive is administered on top flat in the tension force or the core and adhesive is administered on core/top flat.
To such an extent as to top flat should be that such each layer is fixed together each other enduringly towards medicated clothing surface and the connection between wearer's surface.Therefore, each layer all connects on whole tensile region and is not important.Therefore, can use being connected and seeing it is ideal really of part and interruption from economic point of view.
According to the present invention, to such an extent as in the above described manner with the described core that is connected to described passage place towards the medicated clothing surface of described top flat described on wearer's surface described core towards wearer's surface at least 50%, preferred at least 90%, most preferably at least 95% with the surface towards medicated clothing of described top flat tight with directly contact.Most preferably, when described top flat is stacked in the above articles for use of zone on the described core and is unpressed state or configuration, top flat and core be basically closely with directly contact.Egative film
Egative film mainly prevent to absorb with remain in absorbent structure in the Excreta article (as underwear, trousers, nightwear and underwear) getting wet and contact absorbent product.Egative film is also preferably being made by thin plastic of liquid-tight (as menstruation and/or urine) preferably, although also can use the liquid-tight material of other flexibility.Here the term of usefulness " flexibility " refers to submissive and general shape easy and human body and profile phase applying.Egative film can also have the elastic characteristic that it is stretched in one or two direction.
Egative film crosses whole absorbent structure extension usually and can stretch into and form the part or all of of preferred flank, side coating member or the wing.
Egative film can comprise one be woven into non-woven material, as the thin polymer film of polyethylene or polyacrylic thermoplastic film or as the composite of the non-woven material of thin film coated.Preferably, egative film is that thickness is the polyethylene film of about 0.012 millimeter (0.5 Mill) to about 0.051 millimeter (2.0 Mill).
Exemplary polyethylene film is that (Cincinnati, Ohio) with trade mark P18-0401 and Ethyl Corporation, (Terre Haute Indiana) provides with the trade mark XP-39385 Visqueen Division by Clopay Corporation.Egative film preferably embossing and/or through delustring handle so that the more outward appearance of textile-like to be provided.
Absorbent device of the present invention can be used for sanitary towel, medicated underpants lining, adult incontinence products and baby diapers.Particularly, the present invention can be used for sanitary towel and scanties lining.
Claims (10)
1. disposable absorbent article comprises top flat, an egative film and the absorbent article core between this top flat and this egative film of a saturating liquid, this top flat, egative film and absorbent article core each all have one towards wearer's surface and towards the surface of medicated clothing,
This top flat and this egative film are connected to each other at the periphery of described absorbent article and are in the same place,
Described absorbent article core has at least two sunk areas that form passage (5), the degree of depth of each described sunk area be at least described core (3) thickness at least 25%, each described sunk area forms tensile region (6), the tensile region can not arrive the periphery (4) of described absorbent article core (3) or another tensile region (6) in the extension on every side of described sunk area, and
Described top flat described in the medicated clothing face is connected to described tensile region enduringly (6) described absorbent article core on wearer's surface.
2. the disposable absorbent article of claim 1, wherein when described articles for use are unpressed configuration, described core (3) towards the wearer surface at least 50% with described top flat towards the medicated clothing surface closely with directly contact.
3. the disposable absorbent article of claim 2, wherein when described articles for use are unpressed configuration, described core (3) towards the wearer surface at least 90% with described top flat towards the medicated clothing surface closely with directly contact.
4. each disposable absorbent article among the claim 1-3, wherein top flat (1) described towards medicated clothing the surface and the described surface of core (2) towards the wearer bonding by being selected from described tensile region (6), merge the mode that is connected with ultra-sonic welded and be connected to each other and be in the same place.
5. each disposable absorbent article among the claim 1-4, wherein top flat (1) the described surface and the described surface towards the wearer of core (3) towards medicated clothing sticks with glue agent and is connected to each other and is in the same place in described tensile region (6).
6. each disposable absorbent article among the claim 1-5, the distance that extend wherein said tensile region (6) be not more than adjacent logical between or between the periphery of passage and absorbent article core beeline 45%.
7. each disposable absorbent article among the claim 1-6, wherein each passage has Breadth Maximum, the distance that extend described tensile region be no more than described passage Breadth Maximum 50%.
8. each disposable absorbent article among the claim 1-7, wherein said top flat (1) comprises two-layer at least, wherein one deck is the porous polymer film of liquid at least.
9. the disposable absorbent article of claim 8, wherein said top flat (1) comprises two-layer, be the ground floor and the second layer, in described tensile region (6), the linking together enduringly each other of the wherein said second layer towards wearer's the surface and the surface towards medicated clothing of described ground floor.
10. each disposable absorbent article among the claim 1-9, wherein said absorbent device is sanitary towel or scanties lining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96199378 CN1206341A (en) | 1995-12-27 | 1996-12-12 | Disposable absorbent article |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP95120553.3 | 1995-12-27 | ||
| CN 96199378 CN1206341A (en) | 1995-12-27 | 1996-12-12 | Disposable absorbent article |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1206341A true CN1206341A (en) | 1999-01-27 |
Family
ID=5129454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96199378 Pending CN1206341A (en) | 1995-12-27 | 1996-12-12 | Disposable absorbent article |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1206341A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101874756A (en) * | 2009-04-29 | 2010-11-03 | 约翰逊·约翰逊工商业有限公司 | The absorbent article that comprises a plurality of longitudinally extending channels |
| CN105232236A (en) * | 2015-10-30 | 2016-01-13 | 浙江优全护理用品科技有限公司 | Efficient water absorbing and water locking composite core and preparation method thereof |
| CN105455957A (en) * | 2014-09-30 | 2016-04-06 | 强生消费者公司 | Absorbent article demonstrating controlled deformation and longitudinal fluid distribution |
| CN105555242A (en) * | 2013-08-27 | 2016-05-04 | 宝洁公司 | Absorbent articles with channels |
| CN106974772A (en) * | 2011-06-10 | 2017-07-25 | 宝洁公司 | Absorbing structure for absorbent article |
| CN107106347A (en) * | 2014-12-23 | 2017-08-29 | 宝洁公司 | Absorbent cores including high fluffy intermediate layer and passage |
| CN111465377A (en) * | 2017-12-21 | 2020-07-28 | 易希提卫生与保健公司 | Absorbent article comprising a strong channel seal bond |
| US11406544B2 (en) | 2013-08-27 | 2022-08-09 | The Procter & Gamble Company | Absorbent articles with channels |
| US11612523B2 (en) | 2013-08-27 | 2023-03-28 | The Procter & Gamble Company | Absorbent articles with channels |
| US11612525B2 (en) | 2017-12-21 | 2023-03-28 | Essity Hygiene And Health Aktiebolag | Absorbent article and method for manufacturing an absorbent article |
| US11833015B2 (en) | 2017-12-21 | 2023-12-05 | Essity Hygiene And Health Aktiebolag | Absorbent article and method for manufacturing an absorbent article |
| US12102514B2 (en) | 2017-12-21 | 2024-10-01 | Essity Hygiene And Health Aktiebolag | Absorbent article and method for manufacturing an absorbent article |
-
1996
- 1996-12-12 CN CN 96199378 patent/CN1206341A/en active Pending
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101874756B (en) * | 2009-04-29 | 2015-11-25 | 约翰逊·约翰逊工商业有限公司 | Comprise the absorbent article of multiple longitudinally extending channels |
| CN101874756A (en) * | 2009-04-29 | 2010-11-03 | 约翰逊·约翰逊工商业有限公司 | The absorbent article that comprises a plurality of longitudinally extending channels |
| US11110011B2 (en) | 2011-06-10 | 2021-09-07 | The Procter & Gamble Company | Absorbent structure for absorbent articles |
| CN106974772A (en) * | 2011-06-10 | 2017-07-25 | 宝洁公司 | Absorbing structure for absorbent article |
| CN106974772B (en) * | 2011-06-10 | 2021-01-12 | 宝洁公司 | Absorbent structure for absorbent article |
| US11759376B2 (en) | 2013-08-27 | 2023-09-19 | The Procter & Gamble Company | Absorbent articles with channels |
| CN105555242A (en) * | 2013-08-27 | 2016-05-04 | 宝洁公司 | Absorbent articles with channels |
| US11612523B2 (en) | 2013-08-27 | 2023-03-28 | The Procter & Gamble Company | Absorbent articles with channels |
| CN105555242B (en) * | 2013-08-27 | 2019-09-13 | 宝洁公司 | Absorbent article with channel |
| US11406544B2 (en) | 2013-08-27 | 2022-08-09 | The Procter & Gamble Company | Absorbent articles with channels |
| CN105455957A (en) * | 2014-09-30 | 2016-04-06 | 强生消费者公司 | Absorbent article demonstrating controlled deformation and longitudinal fluid distribution |
| CN105455957B (en) * | 2014-09-30 | 2020-08-14 | 强生消费者公司 | Absorbent article exhibiting controlled deformation and longitudinal fluid distribution |
| CN107106347B (en) * | 2014-12-23 | 2020-08-28 | 宝洁公司 | Absorbent core comprising a high loft middle layer and channels |
| CN107106347A (en) * | 2014-12-23 | 2017-08-29 | 宝洁公司 | Absorbent cores including high fluffy intermediate layer and passage |
| US12053358B2 (en) | 2014-12-23 | 2024-08-06 | The Procter & Gamble Company | Absorbent core comprising a high loft central layer and channels |
| CN105232236A (en) * | 2015-10-30 | 2016-01-13 | 浙江优全护理用品科技有限公司 | Efficient water absorbing and water locking composite core and preparation method thereof |
| CN111465377A (en) * | 2017-12-21 | 2020-07-28 | 易希提卫生与保健公司 | Absorbent article comprising a strong channel seal bond |
| US11612525B2 (en) | 2017-12-21 | 2023-03-28 | Essity Hygiene And Health Aktiebolag | Absorbent article and method for manufacturing an absorbent article |
| US11793683B2 (en) | 2017-12-21 | 2023-10-24 | Essity Hygiene And Health Aktiebolag | Absorbent article and method for manufacturing an absorbent article |
| US11833015B2 (en) | 2017-12-21 | 2023-12-05 | Essity Hygiene And Health Aktiebolag | Absorbent article and method for manufacturing an absorbent article |
| US12102514B2 (en) | 2017-12-21 | 2024-10-01 | Essity Hygiene And Health Aktiebolag | Absorbent article and method for manufacturing an absorbent article |
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