CN1248901A - Internally heated absorbent article - Google Patents

Internally heated absorbent article Download PDF

Info

Publication number
CN1248901A
CN1248901A CN97181984A CN97181984A CN1248901A CN 1248901 A CN1248901 A CN 1248901A CN 97181984 A CN97181984 A CN 97181984A CN 97181984 A CN97181984 A CN 97181984A CN 1248901 A CN1248901 A CN 1248901A
Authority
CN
China
Prior art keywords
heater
piece
absorbent product
sanitary towel
hygroscopic
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.)
Granted
Application number
CN97181984A
Other languages
Chinese (zh)
Other versions
CN1191804C (en
Inventor
E·H·鲁舍尔
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.)
Kimberly Clark Worldwide Inc
Kimberly Clark Corp
Original Assignee
Kimberly Clark Worldwide Inc
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 Kimberly Clark Worldwide Inc filed Critical Kimberly Clark Worldwide Inc
Publication of CN1248901A publication Critical patent/CN1248901A/en
Application granted granted Critical
Publication of CN1191804C publication Critical patent/CN1191804C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/84Accessories, not otherwise provided for, for absorbent pads
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F7/02Compresses or poultices for effecting heating or cooling
    • A61F2007/0244Compresses or poultices for effecting heating or cooling with layers
    • A61F2007/026Compresses or poultices for effecting heating or cooling with layers with a fluid absorbing layer
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F7/02Compresses or poultices for effecting heating or cooling
    • A61F7/03Compresses or poultices for effecting heating or cooling thermophore, i.e. self-heating, e.g. using a chemical reaction
    • A61F7/032Compresses or poultices for effecting heating or cooling thermophore, i.e. self-heating, e.g. using a chemical reaction using oxygen from the air, e.g. pocket-stoves
    • A61F7/034Flameless

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

An absorbent article includes a particulate chemical mixture, which is exothermically reactive in the presence of air or moisture, for heating at least a portion of the absorbent article. The heat generated improves the absorption of body fluids by lowering the viscosity of the absorbed fluids.

Description

The absorbent product of inner heating
Invention field
Relate generally to absorbent product of the present invention relates to the absorbent product that has being exposed to the mixture of generation heat under air and/or the moisture particularly.
Background of invention
For absorb body fluids such as menstrual fluid etc., various methodologies is arranged as everyone knows and be configured to various device or equipment.Sanitary towel is the most frequently used in this class device.The relevant technologies that has earlier is used in the various patents of absorb body fluids and the protection underwear neonychium avoiding polluting and sanitary towel in relating to plentifully.Existing people points out in whole sanitary towels, have 20~25%, has to sew.One of reason of sewing is that menstrual fluid is a kind of viscous fluid with hydration composition and mucus composition.
A problem of hygroscopic material aspect of performance is, absorbed material has viscosity more, and absorbance is just low more.Basically, low viscous material can be promptly cover spare by sanitary towel be that hygroscopic piece absorbs.The higher material of menstrual fluid medium viscosity then may not can be absorbed and still be trapped in the cover part on.Perhaps, the higher material of this viscosity also might be absorbed but be trapped near points of contamination or its and hinder the absorption of low-viscosity substances.So just limited the efficient of hygroscopic piece and to the utilization rate of sanitary towel's hygroscopic capacity.In addition, this hygroscopic piece also can comprise the superabsorbent material, the latter can be from low stickum preferential absorption moisture content, the result will increase the viscosity of surplus materials.This becomes difficult more with regard to the problem that makes hygroscopic piece absorb mucus component in the menstrual fluid.
So far, adopted surfactant to improve body fluid absorption.Being used for one or more materials of body plan sanitary towel for example covers part and/or hygroscopic piece all through handling the wettability that improves material.The problem of application surface activating agent is, though be improved through the surface energy of the material of surfactant coated, if surfactant is that to talk about completely also be the viscosity that can significantly not improve body fluid.Like this, the higher material of viscosity still can not be absorbed effectively.
So just need the absorbent product of so for example sanitary towel and so on, the viscosity that they regulate viscous mass makes it to be absorbed.
General introduction of the present invention
Briefly, the present invention relates to can be used to the absorbent product of absorb body fluids.This absorbent product has cover part, block piece, is enclosed in hygroscopic piece between cover part and the block piece and the heater that is used for heating this hygroscopic piece.This heater produces about 22~about 55 ℃ temperature when being activated under being exposed to air and/or moisture.
One object of the present invention is to provide has the absorbent product that can produce heat when activating.Another object of the present invention is to provide and be provided with the sanitary towel that can produce hot device when activating in a kind of.
Another object of the present invention is to provide the sanitary towel that has heater and improved the hygroscopic piece utilization rate.
A further object of the present invention is the sanitary towel that provides such, and the compound mixture that it has can produce heat, makes that the viscosity that sticks in the menstrual fluid part can be owing to being heated of this body fluid is minimized.
Brief description of the drawings
Fig. 1 is the top view of an embodiment of absorbent product of the present invention;
Fig. 2 is the cross-sectional figure along 2-2 line among Fig. 1;
Fig. 3 is the cross-sectional figure of another embodiment of the present invention;
Fig. 4 is the cross-sectional figure of yet another embodiment of the invention;
Fig. 5 is the cross-sectional figure of further embodiment of this invention;
The detailed description of most preferred embodiment
Though the ending of this description has been specifically noted with claims and the clear and definite interest field relevant with the present invention, can believe, with reference to the accompanying drawing that describes in detail below in conjunction with the present invention, can understand the present invention quickly.
With reference to figure 1~5, wherein identical parts are to indicate with identical label, and Fig. 1 shows the top view of bright sanitary towel of the present invention 10.As shown in drawings, when observing from top to bottom, this face of being seen is that contiguous wearer places in use, and this sanitary towel 10 comprises the cover spare 12 of liquid, short and narrower hygroscopic piece 14 and liquid-tight back of the body spare or the block piece 16 than cover part 12.Shown in Fig. 2~4, cover part 12 and block piece 16 are stretched over outside the edge 18 of hygroscopic piece 14, to surround the periphery 20 of hygroscopic piece 14 and definite sanitary towel 10.Here used edge or " hygroscopic piece edge " are at the first-class valency of meaning, and it comprises the border that hygroscopic piece 14 is stopped, unless specify, are not limited to refer to the longitudinal edge or the horizontal edge of hygroscopic piece 14.Though not shown in the figures bright, expert scholar can recognize that cover part 12, hygroscopic piece 14 and block piece 16 are can be conterminal, but this is not an ideal situation.Cover part 12 and block piece 18 can be sealed together in any suitable manner, only otherwise stay hard, the undesirable residue of wearer's discomfort are got final product.Here the speech of using " sealing " comprises such configuration, even cover part 12 directly is attached on the block piece 16 or will cover part 12 is fixed to one earlier and does not show and be fixed on the block piece 16 subsequently on the bright middleware again.The method of installing cover part 12 and block piece 16 is that expert scholar is known, comprises adopting hot-melt adhesive, contact adhesive, construction adhesive, double-sided belt, heat seal and ultrasonic bonds.
Here the speech of using " sanitary towel " is meant the goods that wear and be close to its pudendum for the women, is used for absorbing and storing various ejections such as blood, menstrual fluid liquid and the urine of discharging from health, and no longer washs and reuse and abandoned after stained.Vestibule part device between interior and part lip outside with respect to the women wearer is also included within the scope of the present invention.
Sanitary towel 10 also comprises being positioned at covers under the part 12 and heater 22 best and hygroscopic piece 14 vicinities.This heater 22 can comprise one or more grooves, wherein contain material heat release or electrochemical reaction, this reacting substance is being that oxygen or moisture can produce heat when activating, this heater 22 or can comprise a kind of can be effectively from the wearer from the hot material of distribution on one's body.This heater 22 preferably can reduce blood through in than the viscosity of viscous composition, allow bigger fluid activity, utilized the hygroscopic capacity of hygroscopic piece thus better.When adopt heat release or during electrochemical reacting substance, heater 22 should produce enough heat and form about 22~about 55 ℃ temperature, is more preferably about 27.5~about 46 ℃ temperature, and preferably about 27.5~about 37 ℃ temperature.
Observe sanitary towel 10 in more detail, this sanitary towel 10 is avette in the drawings but is not limited thereto.Sanitary towel 10 can have hourglass shape, runway shape or any other shape or structure that allows this sanitary towel 10 and wearer to connect airtight.Sanitary towel 10 of the present invention can have any thickness and can keep one period that is enough to make its rarefaction for dense condensed liquid stream, and its thickness can be from several millimeters to about 15 millimeters.
Referring to Fig. 3, sanitary towel 10 also can comprise one or more other layers 24, their design be used for improving in a preferred manner, improvement or transfering fluid mobile.Layer comprise cellulosic and material polymer more like this, as chiffon, superabsorbent thing and melt-blown material.Like this layer and material can be bought from many places, are that to be familiar with the personage of disposable absorbent article such as sanitary towel, diaper and incontinence device known simultaneously.Sanitary towel 10 also can comprise and can be used to make sanitary towel 10 in use to cooperate the shaping piece of wearer's build.
Cover part 12 is designed to be used for the Body contact with the wearer, thereby should easily permeate for body fluid.Cover body 12 should not stimulate wearer's skin and preferably not absorb obviously its surperficial body fluid of pollution of amount.Cover body 12 can be by weaving or non-woven natural or synthetic material is made.But the material that is suitable for comprises the bonding carded webs of the fiber of polyester, polypropylene, polyethylene, nylon or other thermal.The thin film fabric and the Web materials of other polyolefin such as polypropylene and poly copolymer, linear low density polyethylene, pore also can be worked well.The compound material of ideal especially polymer and non-woven fabric material.Another kind of cover part material then is polyacrylic nonwoven fabric.This fabric can comprise about TiO 2 pigment of 1%~about 6% so that it has clean white appearance.Preferably use uniform spunbonded materials, this is because on it is vertical full intensity is arranged, even after its porous, so just can in use resist and tear or draw back.The basic weight of optimal polypropylene fabric is about 10~40 gram/rice 2, and be more preferably about 12~about 30 gram/rice 2
In order to help liquid infiltration to cross fabric, cover body 12 also usable surface activating agent is handled and is improved its hydrophilic.Surfactant can comprise partial additive or inner material such as the polysiloxanes that applies.
What contiguous cover part 12 was provided with is hygroscopic piece 14.The material that is used for hygroscopic piece 14 is designed to be used for the absorber ejection and comprises menstrual fluid liquid, blood and urine.The material that is suitable for comprises wood pulp fluff, artificial silk, Cotton Gossypii and meltblown polymer such as polyester, polypropylene or common moulding material.Moulding material is the compositions of the air-flow shaping of meltblown polymer such as polypropylene and water absorbent fiber altogether.Hygroscopic piece 14 can be a complex, and it comprises and can be formed by various natural or synthetic fibers, wood pulp cellulose, regenerated cellulose or cotton fiber, air lay chiffon or pulps and other fibers.Hygroscopic piece 14 can be made by other known materials that is used for absorbent product, and this comprises the plain oakum of multi-layer fiber, cellulose sponge, the synthetic sponge of hydrophilic, as polyurethane etc.The capacity of hygroscopic piece 14 can change according to the purpose purposes of final products.
The body fluid of shelves part 16 contained absorption in hygroscopic piece 14 and wear the effect of playing separator between the people of sanitary towel 10.Therefore, block piece 16 is nonhygroscopic and can not sees through liquid.Block piece 16 should be that softness is complied with, and this is to keep because a part of block piece 16 will be close to wearer's place, thigh district.Here the speech of using " compliance " refers to a kind of like this material, and promptly this material can promptly be imitated with human body external shape and profile roughly.In a most preferred embodiment, block piece 16 allows air or steam to pass through sanitary towel 10 but passes through hygroscopic piece 14 by liquid.A kind of good material of block piece 16 is little concavo-convex polymer such as polyethylene or polyacrylic film, the about 0.012~about 1.0mm of its thickness.Two component films also can use, and equally also can use through being treated as liquid-tight woven and non-woven fabric.
Referring to Fig. 1 and 2, heater 22 be positioned at the cover part 12 under and be located among the hygroscopic piece 14.Heater 22 can comprise among the material 30 that is packaged in the air permeable that matches and moisture vapor transmission gas.This material 30 can be synthetic or natural weaving or non-woven material.Material 30 preferably can allow air and moisture by and keeping so granulous chemical mixture simultaneously.The non-limitative example of material 30 comprises polyester nonwoven thing and non-woven spunbond polypropylene.Natural material also is suitable for and comprises this chemical mixture.Cotton Gossypii is exactly to be suitable for the natural material that encapsulates this chemical mixture.
The exothermic agent that can be used for the present invention can be easily with the menstrual fluid of airborne oxygen, absorption in water or the two react and in reaction, produce the material of heat.When heater 22 produces when hot by the exothermic reaction with oxygen.The just inevitable and air exchange of this reactant.Below cited be not specific restriction, described reactant can be the mixture of following substances: oxidizable substance, as ferrum, as-reduced ferrum, nickel, sulfuration is received and/or sodium sulfate; Oxidization acceleration agent and catalyst such as sodium chloride, calcium chloride, magnesium chloride, activated carbon, carbon dust and comprise chemical compound, the manganese of copper and the mixture of forming by water retention agents such as wood powder or pulp powder.Other exothermic agent is described in United States Patent (USP) 4331731 and 4573447, and their disclosed contents are incorporated herein by reference.
For example, the chemical mixture of heater 22 can comprise a kind of intermedium, and it has the aqueous solution that the fine granularity carbon by the sodium chloride and 15% (weight) of 10% (weight) of the Vermiculitum, 55% (weight) of 30% (weight) is formed.This intermedium mixes with thin iron powder in about 1: 1 ratio.Why preferred iron powder is because it can produce heat with airborne oxygen reaction rapidly in the condition that has moisture.In addition, this material is good heat conductor, allows equably districution temperature and avoids forming partial temperature-sensitive zone.The fineness of iron powder can change to change the heat that reaction rate changes generation therefrom.Generally, the content of this metal powder is big more, and the heat of reaction is also big more.
Sodium chloride is to be used for the oxidation of catalysis ferrum, because it is very easily bought and be inexpensive, is ideal especially.But sodium chloride can be replaced by other suitable chlorides and sulfate, for example potassium chloride, calcium chloride, magnesium chloride, iron sulfate, potassium sulfate, sodium sulfate and magnesium sulfate.
Expert scholar as can be known, the component of above-mentioned chemical mixture, granularity and composition quality can be done significant the variation and form the mixture of heat and colder reaction.
When the used heater 22 of the present invention is when carrying out by the activated electrochemical reaction of water, electrochemical reaction at this moment produces heat by Applied Electrochemistry activated reducible and activated oxidable of electrochemistry.Also original paper can be formed by the unpolarized negative electrode of air that has made another kind of material such as hydrogen reduction thereon.This oxidable can be the paper tinsel material that is formed by aluminum or magnesium or both alloys.This reducible is separated by absorbent material such as felt with oxidable.Form electrolytical salt and preferably join in reducible or place it contiguous, need remove the saturated with water absorbing material to remove from dry granular shape form.So just can make heater 22 prolong it and preserve the life-span.Preferably allow electrolytic salt be added to equably in negative electrode or reducible.In the situation of the air depolarization negative electrode of carbon that adopts deexcitation or manganese dioxide, edible salt is made equably dry mixed according to 1 to 2.5 gram salt than about 1 gram carbon with activated carbon or manganese dioxide at first.The salt of preferably about 1.5 grams of aforementioned proportion is than the carbon or the manganese dioxide of about 1 gram.
Heater 22 also can comprise the material that can be effectively distributes from the heat of wearer's health on hygroscopic piece 14.This class material preferably has high thermal conductivity with respect to hygroscopic piece 14.The thermal conductivity of material can promptly be determined by known method.
Referring to Fig. 3, wherein show the cross section of understanding another embodiment of the present invention.Heater 22 makes the top and hygroscopic piece 14 adjacency of heater 22 between hygroscopic piece 14 and block piece 16, and its underpart and block piece 16 adjacency.Similar with described in Fig. 1 and 2 of heater 22, the chemical mixture that constitutes heater 22 is then surrounded by encapsulating material 30.
Referring to Fig. 4, wherein show and understand the cross section of an embodiment more of the present invention.Heater 22 is at block piece 16 with between the maintenance layer 28 below the block piece 16.Block piece 16 and maintenance layer 28 are secured together, and surround heater 22.In this embodiment, although described chemical mixture is encapsulated within the aforementioned encapsulating material 30, this is not to be necessary.Keeper 28 can be by forming with block piece 16 materials similar.Best, keeper 28 is made by breathable material such as spunbond porose coating materials etc.Keeper 28 can comprise one or more holes or hole 32, no matter the air penetrability of the composition of this keeper 28 how with the exchange rate that improves oxygen.Hole or hole 32 preferably are positioned on the surface that faces clothing of keeper 28, and the size in hole or hole 32 should make described chemical mixture in that do not use in the described encapsulating material 30 also not can loss, but still can pass through encapsulating material 30 and air exchange.When encapsulating material 30 for example is to use polyolefin film and can not breathe freely with air exchange the time, hole 32 is necessary.
Hole 32 can be formed by multitude of different ways, comprises shearing, acanthopore and punching etc.In some cases, hole 32 can be arranged on the very narrow zone or belt-like zone that keeps on the layer 28.And it is opposite with the foraminous situation that all distributes on the whole maintenance layer 28.By hole 32 is arranged along an arrowband, just can slow down moisture by encapsulating material 30 with from chemical mixture loss outwardly.So just can in chemical mixture, keep humid atmosphere and prolong its life-span.
Referring to Fig. 5, wherein show the cross section of understanding another embodiment of the present invention.The chemical mixture of heater 22 can randomly or equably distribute, or with top similar with regard to the described situation in Fig. 1~4, on the discernible pocket that is confined to disperse, and only contains more a spot of chemical mixture on each pocket.
Top with reference to several optimum examples and with respect to a series of selectable special elaborations with illustrate the present invention, but expert scholar is not breaking away under the spiritual prerequisite of the present invention, can grasp its all displacement format, reduced form, correction form and change form.Therefore, should regard top description as the example of preferable range of the present invention is released rather than its restriction.

Claims (21)

1. absorbent product that absorb body fluids is used, it comprises a) saturating liquid cover spare; B) liquid-tight block piece; C) be packaged in hygroscopic piece between above-mentioned cover spare and the block piece; And d) is used for the heater that heats described hygroscopic piece and be adjacent.
2. absorbent product as claimed in claim 1, wherein, described heater produces about 22~about 55 ℃ temperature.
3. absorbent product as claimed in claim 1, wherein, described heater produces about 27.5~about 45 ℃ temperature.
4. absorbent product as claimed in claim 1, wherein, described heater produces about 27.5~about 36 ℃ temperature.
5. absorbent product as claimed in claim 1, wherein, described heater is the chemical mixture that is distributed in the described hygroscopic piece.
6. absorbent product as claimed in claim 5, wherein, described chemical mixture is a basic uniform distribution in whole described hygroscopic piece.
7. absorbent product as claimed in claim 1, wherein, described heater comprises the chemical mixture that produces heat with the oxygen reaction.
8. absorbent product as claimed in claim 7, wherein, described chemical mixture comprises oxidizable substance, oxidization acceleration agent and catalyst.
9. absorbent product as claimed in claim 8, wherein, described oxidizable substance comprises ferrum.
10. absorbent product as claimed in claim 1, wherein, described heater is the electrochemistry heating element heater.
11. absorbent product as claimed in claim 10, wherein, the water in described electrochemistry heating element heater and the described body fluid reacts and produces heat.
12. absorbent product as claimed in claim 1, wherein, the thermal conductivity that described heater has is than the height of described hygroscopic piece.
13. a sanitary towel, it comprises a) saturating liquid cover spare; B) liquid-tight block piece; C) be packaged in hygroscopic piece between described liquid cover spare and the block piece; And d) is used for the heater that heats this hygroscopic piece and be adjacent.
14. sanitary towel as claimed in claim 13, wherein, described heater is positioned in the middle of the described hygroscopic piece substantially.
15. sanitary towel as claimed in claim 14, wherein, described heater is between described hygroscopic piece and described block piece.
16. sanitary towel as claimed in claim 13, wherein, described heater is the chemical mixture that is evenly distributed to substantially in the described hygroscopic piece.
17. sanitary towel as claimed in claim 16, wherein, described chemical mixture and oxygen reaction produce about 22 ℃~about 55 ℃ temperature.
18. sanitary towel as claimed in claim 17, wherein, described chemical mixture comprises ferrum.
19. a sanitary towel, it comprises a) saturating liquid cover spare; B) liquid-tight block piece; C) be encapsulated in hygroscopic piece between described cover spare and the described block piece; D) adorn the maintenance layer that invests on the described block piece at least partially; And e) is used for heating the heater that is encapsulated in described block piece and keeps the described hygroscopic piece between the layer.
20. sanitary towel as claimed in claim 19, wherein, described maintenance layer comprises the hole.
21. sanitary towel as claimed in claim 20, wherein, described heater comprises the chemical mixture with ferrum, and wherein said chemical mixture and oxygen reaction produce about 20~about 55 ℃ temperature.
CNB97181984XA 1996-12-30 1997-12-19 Internally heated absorbent article Expired - Fee Related CN1191804C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US3398796P 1996-12-30 1996-12-30
US60/033,987 1996-12-30
US85487697A 1997-05-12 1997-05-12
US08/854,876 1997-05-12

Publications (2)

Publication Number Publication Date
CN1248901A true CN1248901A (en) 2000-03-29
CN1191804C CN1191804C (en) 2005-03-09

Family

ID=26710411

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB97181984XA Expired - Fee Related CN1191804C (en) 1996-12-30 1997-12-19 Internally heated absorbent article

Country Status (11)

Country Link
EP (1) EP0973471A1 (en)
JP (1) JP2001507602A (en)
KR (1) KR20000069767A (en)
CN (1) CN1191804C (en)
AU (1) AU734471B2 (en)
BR (1) BR9714108A (en)
CA (1) CA2276128A1 (en)
CZ (1) CZ234899A3 (en)
IL (1) IL130610A0 (en)
RU (1) RU2217116C2 (en)
WO (1) WO1998029079A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101090694B (en) * 2004-12-29 2011-03-30 金伯利-克拉克环球有限公司 Absorbent article featuring a temperature change member
CN105828754A (en) * 2013-12-16 2016-08-03 英派尔科技开发有限公司 Endothermic sponge

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6770064B1 (en) 1996-12-30 2004-08-03 Kimberly-Clark Worldwide, Inc. Internally heated absorbent article
US6149636A (en) 1998-06-29 2000-11-21 The Procter & Gamble Company Disposable article having proactive sensors
US6186991B1 (en) 1998-06-29 2001-02-13 The Procter & Gamble Company Disposable article having a responsive system including a mechanical actuator
US6342037B1 (en) 1998-06-29 2002-01-29 The Procter & Gamble Company Device having fecal component sensor
US6407308B1 (en) 1998-06-29 2002-06-18 The Procter & Gamble Company Disposable article having sensor to detect impending elimination of bodily waste
US6093869A (en) * 1998-06-29 2000-07-25 The Procter & Gamble Company Disposable article having a responsive system including a feedback control loop
US6160198A (en) * 1998-06-29 2000-12-12 The Procter & Gamble Company Disposable article having a discontinuous responsive system
US6372951B1 (en) 1998-06-29 2002-04-16 The Procter & Gamble Company Disposable article having sensor to detect impending elimination of bodily waste
EP1091720B1 (en) 1998-06-29 2004-05-19 The Procter & Gamble Company Disposable absorbent article having a responsive system including an electrical actuator
US6359190B1 (en) 1998-06-29 2002-03-19 The Procter & Gamble Company Device for measuring the volume of a body cavity
US6565549B1 (en) * 2000-02-15 2003-05-20 The Procter & Gamble Company Absorbent article with thermally activatable adhesives
US6791004B2 (en) 2000-02-15 2004-09-14 The Procter & Gamble Company Absorbent article with thermal cell actuator
GB0225795D0 (en) 2002-11-05 2002-12-11 Guillon Michael Wipes
US6893453B2 (en) 2002-12-17 2005-05-17 Kimberly-Clark Worldwide, Inc. Thermal therapy pad with variable heat control
US7250548B2 (en) * 2003-06-16 2007-07-31 Kimberly-Clark Worldwide, Inc. Absorbent article with temperature change member disposed on the outer cover and between absorbent assembly portions
US20050136765A1 (en) * 2003-12-23 2005-06-23 Kimberly-Clark Worldwide, Inc. Fibrous materials exhibiting thermal change during use
WO2006022567A1 (en) * 2004-08-04 2006-03-02 Kolesnikova Tatiana Vladimirov Absorbing article
US8168852B2 (en) 2004-12-23 2012-05-01 Kimberly-Clark Worldwide, Inc. Activated carbon substrates
US7763061B2 (en) 2004-12-23 2010-07-27 Kimberly-Clark Worldwide, Inc. Thermal coverings
US20060142712A1 (en) * 2004-12-23 2006-06-29 Kimberly-Clark Worldwide, Inc. Absorbent articles that provide warmth
US7686840B2 (en) 2005-12-15 2010-03-30 Kimberly-Clark Worldwide, Inc. Durable exothermic coating
US8425578B2 (en) 2006-08-31 2013-04-23 Kimberly-Clark Worldwide, Inc. Warming product
JP4753833B2 (en) * 2006-10-20 2011-08-24 花王株式会社 Absorbent articles
JP4804306B2 (en) * 2006-10-25 2011-11-02 花王株式会社 Absorbent articles
US8187697B2 (en) 2007-04-30 2012-05-29 Kimberly-Clark Worldwide, Inc. Cooling product
JP2009261536A (en) * 2008-04-24 2009-11-12 Kao Corp Sanitary napkin
JP2012090873A (en) * 2010-10-28 2012-05-17 Suzuki Yushi Kogyo Kk Water-absorbing exothermic patch sheet
US9095479B2 (en) * 2012-07-30 2015-08-04 Sca Hygiene Products Ab Disposable absorbent product with coated element and related methods
WO2018017743A1 (en) * 2016-07-19 2018-01-25 Allegiance Corporation Perineal thermal pack with improved liquid containment
JP7123370B2 (en) * 2018-04-25 2022-08-23 株式会社シーリング underwear wearing body
JP2019194162A (en) * 2018-05-01 2019-11-07 ツァ ギャリー Ventilation material comprising whitening and heating function by oxygen supply to skin

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2573791A (en) * 1947-04-19 1951-11-06 John N M Howells Heat applying bandage
DE1491138A1 (en) * 1965-04-15 1969-02-20 Caillonette James C Therapeutic pack
JPS5828898B2 (en) 1980-08-01 1983-06-18 三菱瓦斯化学株式会社 exothermic laminate
US4397315A (en) * 1981-09-16 1983-08-09 The Kendall Company Dressing with temperature pack
US4573447A (en) 1985-02-19 1986-03-04 Sunbelt America Corporation Chemical heater
US5178139A (en) * 1990-03-05 1993-01-12 Stephen P. Angelillo Absorbent pad and thermal pack
US5167655A (en) * 1991-04-29 1992-12-01 Mccoy Kevin Cold therapy panty
AU678770B2 (en) * 1992-08-10 1997-06-12 Okanagan House Inc. Thermal bandage
US5681298A (en) * 1994-12-22 1997-10-28 Kimberly-Clark Worldwide, Inc. Toilet training aid creating a temperature change
JPH08206147A (en) * 1995-02-06 1996-08-13 Akio Usui Exothermic body and plaster using the same
US5984995A (en) * 1996-03-29 1999-11-16 The Procter & Gamble Company Heat cells

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101090694B (en) * 2004-12-29 2011-03-30 金伯利-克拉克环球有限公司 Absorbent article featuring a temperature change member
CN105828754A (en) * 2013-12-16 2016-08-03 英派尔科技开发有限公司 Endothermic sponge
CN105828754B (en) * 2013-12-16 2018-04-27 英派尔科技开发有限公司 Heat absorption sponge

Also Published As

Publication number Publication date
EP0973471A1 (en) 2000-01-26
IL130610A0 (en) 2000-06-01
AU5729498A (en) 1998-07-31
CA2276128A1 (en) 1998-07-09
RU2217116C2 (en) 2003-11-27
CN1191804C (en) 2005-03-09
BR9714108A (en) 2001-11-13
CZ234899A3 (en) 1999-12-15
KR20000069767A (en) 2000-11-25
JP2001507602A (en) 2001-06-12
WO1998029079A1 (en) 1998-07-09
AU734471B2 (en) 2001-06-14

Similar Documents

Publication Publication Date Title
CN1191804C (en) Internally heated absorbent article
RU2238761C2 (en) Absorption article having covering nonwoven-material layer comprising zone with three-dimensional profile
KR100294140B1 (en) Porous composite sheet and process for the production thereof
KR0133545B1 (en) Sheet shaped heat-generation body
KR0157434B1 (en) Odor-removing cover for absorbent pads and method of making same
CN102378612B (en) Absorbent commodity
JP5180617B2 (en) Functional sheet
US20090042468A1 (en) Highly air-permeable and water-resistance sheet, a highly air-permeable and water-resistance sheet composite and an absorbent article, and a method for anufacturing a highly air-permeable and water-resistance sheet and a method for manufacturing a highly air-permeable and water-resistance sheet composite
RU2244535C2 (en) Combined covering and transmitting layer of nonwoven material for absorbing product (variants) and an absorbing product (variants)
CN1041108A (en) Bicomponent material
KR20020039634A (en) Absorbent article
CN1043258A (en) Absorption plant with a plurality of grooves
KR20000069445A (en) Highly absorbent composite compositions, absorbent sheets provided with the compositions, and process for producing the same
EP0844859A1 (en) Absorbent core for absorbing body liquids and method
CA2716200A1 (en) Apertured nonwoven webs with lined apertures
JPH0457346B2 (en)
JP2862274B2 (en) Manufacturing method of water-absorbing sheet
WO2008065748A1 (en) Air permeable and water resistant sheet and absorbent article using the same
KR20050061479A (en) System for controlling malodor created by body fluids
CN209019181U (en) A kind of paper diaper
EP0592001B2 (en) Catamenial device with odor control
JPS62170565A (en) Surface material of absorbable article and its production
JP3981745B2 (en) Water-absorbing structure and method for producing the same
RU221281U1 (en) Absorbent diaper
RU221544U1 (en) Absorbent diaper

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee