DK143432B - Engangsble - Google Patents
Engangsble Download PDFInfo
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- DK143432B DK143432B DK315976AA DK315976A DK143432B DK 143432 B DK143432 B DK 143432B DK 315976A A DK315976A A DK 315976AA DK 315976 A DK315976 A DK 315976A DK 143432 B DK143432 B DK 143432B
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- layer
- absorbent
- diaper
- absorbent core
- approx
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- 230000002745 absorbent Effects 0.000 claims description 20
- 239000002250 absorbent Substances 0.000 claims description 20
- 239000000835 fiber Substances 0.000 claims description 14
- 230000002209 hydrophobic effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 4
- 210000002700 urine Anatomy 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims description 2
- 229920000742 Cotton Polymers 0.000 claims 2
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- -1 polyethylene Polymers 0.000 claims 2
- 239000004698 Polyethylene Substances 0.000 claims 1
- 239000004743 Polypropylene Substances 0.000 claims 1
- 229920002678 cellulose Polymers 0.000 claims 1
- 239000001913 cellulose Substances 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- 229920000573 polyethylene Polymers 0.000 claims 1
- 229920001155 polypropylene Polymers 0.000 claims 1
- 229920000915 polyvinyl chloride Polymers 0.000 claims 1
- 239000004800 polyvinyl chloride Substances 0.000 claims 1
- 239000002023 wood Substances 0.000 claims 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 description 6
- 229920000728 polyester Polymers 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 238000009736 wetting Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229920004934 Dacron® Polymers 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 208000010201 Exanthema Diseases 0.000 description 1
- 206010046555 Urinary retention Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 201000005884 exanthem Diseases 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000027939 micturition Effects 0.000 description 1
- 231100000344 non-irritating Toxicity 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 206010037844 rash Diseases 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000012260 resinous material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 231100000046 skin rash Toxicity 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
- A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
- A61F13/53704—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having an inhibiting function on liquid propagation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/51121—Topsheet, i.e. the permeable cover or layer facing the skin characterised by the material
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/5116—Topsheet, i.e. the permeable cover or layer facing the skin being formed of multiple layers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/512—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/513—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
- A61F13/51305—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability having areas of different permeability
- A61F13/51311—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability having areas of different permeability the permeability gradient being in the vertical direction
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15203—Properties of the article, e.g. stiffness or absorbency
- A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
- A61F2013/15422—Density
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
- A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
- A61F2013/53791—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer being resilient or elastic
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)
- Absorbent Articles And Supports Therefor (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Laminated Bodies (AREA)
Description
(19) DANMARK
|j| <12) FREMUEGGELSESSKRIFT ου 143432 B
DIREKTORATET FOR PATENT- OG VAREMÆRKEVÆSENET
(21) Ansøgning nr. 3159/76 (51) IntCI.3 A 41 B 13/02 (22) Indleveringsdag 13· Jul. 1976 // A 61 F 13/16 (24) Løbedag 13. Jul. 1976 (41) Aim. tilgængelig 1. feb. 1977 (44) Fremlagt 24. aug. 1981 (86) International ansøgning nr. - (86) international indleveringsdag - (85) Videreførelsesdag - (62) Stamansøgning nr. -
(30) Prioritet 31. jul. 1975, 6ΟΟ931, US
(71) Ansøger COLGATE-PALMOLIVE COMPANY, New York, US.
(72) Opfinder John Michael Hernandez, US: Karl H. Roberts, US.
(74) Fuldmægtig Firmaet Chas. Hude.
(54) Engangsble.
Den foreliggende opfindelse angår en éngangsble af den i indledningen til krav 1 angivne art.
Engangsbleer omfattende en absorberende kerne, der er lagt ind imellem vandgennemtrængelige og vanduigennemtrængelige ydre lag kendes f.eks. fra US patentskrift nr. 3.888.251. En af de alvorligere mangle ler ved sådanne engangsbleer er deres manglende evne til effektivt at forhindre "returvædning", dvs. at spildvæsken, der er indeholdt Ό i den absorberende kerne, igen kommer i berøring med barnets hud.
j· v) På grund af barnets vægt og aktivitet presses følgelig en del af væsken ved tryk ud af den absorberende kerne, hvorpå væsken nemt trænger igennem det tilstødende vandgennemtrængelige lag og såle- *
Q
2 143432 ledes kommer i berøring med barnets hud. Dette resulterer i et væsentligt ubehag for barnet, hvilket fører til, at bleen kan klæbe sig fast, især i skridtområdet,og medføre hududslæt med mere.
Det er blevet forsøgt at formindske de ovennævnte problemer med bleer, der har en speciel form for lægget konstruktion for at forøge bleens absorptionskapacitet. Bleer med i det væsentlige rektangulær form og med indbyrdes afstand anbragte paneler er således almindeligvis af en upassende bredde, der gør det muligt, at barnets ben tvinger bleen nedad, således at den får en tendens til at synke væk fra legemets torso. Dette forhindrer en korrekt udnyttelse af bleens absorptionsmuligheder. På grund af den spredte position af de foldede paneler og den deraf følgende ikke-effek-tive overførsel af spildvæske til den absorberende kerne er desuden vådgøring af frontbanen tæt op ad barnets hud praktisk taget uundgåelig.
Det er den foreliggende opfindelses formål at anvise en éngangsble, hvor de ovennævnte mangler elimineres eller i det mindste i væsentlig grad formindskes ved at reducere det i éngangsbleens absorberende kerneområde indeholdte spildvæskemateriales berøring med barnets hud til et minimum for derved at holde barnet i en mere tør tilstand.
Dette formål tilgodeses ved, at den indledningsvist omtalte éngangsble er ejendommelig ved det i den kendetegnende del af krav 1 anførte, idet det hydrofobe, fibrøse lag i usammentrykket tilstand kan lade væsker passere, men i sammentrykket tilstand i det væsentlige forhindrer enhver væskegennemstrømning, idet de sammentrykkede fibre går i indbyrdes indgreb til dannelse af en væsketætning eller barriere, således at der tilvejebringes en forbedret tørhed af overfladen, specielt i bleens skridtom-råde og en forbedret luftcirkulation i bledækningsområdet, hvorved bleen giver en følelse af luftpude til barnet.
Sammenbindingen giver éngangsbleen en forstærket styrke i bleens fasthæftningsområde og sikrer, at dens fysiske form for tilbageholdelseskapacitet for bleen efter barnets urinering er særdeles god takket være bleenhedens fjedrende eller "tilbagespringende" karakter. Dette medfører, at det totale antal bleskift kan redu- 5 U3432 ceres.
Selv om forskellige polyestre kan benyttes, liar det for at få en elastisk, fibrøs og stærk pudestruktur vist sig, at det bedste resultat opnås ved at benytte polyesterfibre af reaktionsproduktet af ethylenglycol og dimethylterephthalat.
Den bedste elasticitet opnås endvidere ved,at sammenbindingen af fibrene er udført med et klæbemiddel. Dette bør være et varme-modstandsdygtigt bindemiddel, der på enkel måde kan påføres ved sprøjtning.
Det hydrofobe, fibrøse lag skal have en tykkelse på mellem ca.
4 og ca. 13 mm, idet tyndere lag ikke giver tilstrækkelig væsketætning, og et tykkere gør bleen for voluminøs og uhåndterlig og kan være ubehagelig for barnet.
Den foreliggende opfindelses genstand forklares nærmere nedenfor under henvisning til tegningen. På denne viser fig. 1 et lodret snit gennem en éngangsble ifølge opfindelsen, og fig. 2 et sprængbillede af éngangsbleen vist i fig. 1.
En ble 10 ifølge den foreliggende opfindelse har fire hovedkomponenter omfattende et vandgennemtrængeligt lag 12, et hydrofobt fibrøst lag 14, en absorberende kerne 16 med absorberende baner 18 og 20 og et absorberende lag 22 samt et vanduigennemtrængeligt lag 24.
Det vandgennemtrængelige lag er normalt tilvejebragt i form af en ikke-absorberende blød, ikke-vævet stofbane, som kan have et stort antal af små perforeringer 26. Dette lag er nemt gennemtrængeligt for vand og letter passagen af spildvæske hen imod bleens indre kerneområde 16. Det vandgennemtrængelige lag 12 ligger tæt op ad barnets hud, når bleen er lagt på barnet, og bør derfor have en blødhed og en ikke-irriterende natur, der sikrer, at den sidder behageligt på barnet. Det vandgennemtrængelige lag 12 kan følgelig være 143432 4 fremstillet af papir eller af ethvert af alle de forskellige ikke-vævede stofbaner, som har de ønskede egenskaber med hensyn til blødhed over for berøring, der almindeligvis benævnes “greb", porøsitet og en hydrofob virkning med hensyn til væske. Materialer, der er egnet til sådant brug, er i hvert tilfælde velkendt inden for den foreliggende teknik.
Det fibrøse lag 14 kan tilberedes ud fra hydrofobe, hindedannende, harpiksholdige materialer af forskellige velkendte sorter. Disse omfatter f. eks. harpiksholdig polyester omfattende reaktionsproduktet fra f. eks. ethylen og dimethylterephthalat, hvilke harpiksholdige polyestere kan fås under varemærkebetegnelserne Dacron, Vycron, Kodel, Terylen o.s.v.
Til brug ved den foreliggende opfindelse er det polyesterfibermate-riale, der kan fås fra J.P. Stevens Nonwoven, Inc. under varemærkebetegnelsen Bondaire, foretrækkes specielt. Dette materiale, der er en harpiksholdig polyester, omfatter reaktionsproduktet fra ethylenglycol og dimethylterephthalat, der er bundet ved sprøjtning med et varmemodstandsdygtigt bindemiddel, såsom det i handelen tilgængelige produkt kendt som "Firegard" til at give en elastisk fibrøs pudestruktur.
De harpiksfibre, der benyttes til at tilberede det fibrøse lag 14, bør almindeligvis have en gennemsnitlig længde på fra 6 mm til 90 mm. For at opnå de ønskede egenskaber med hensyn til elasticitet, svampeagtighed og sammentrykkelighed bør laget 14 have en tæthed fra ca. 0,01gm/cc til ca. 0,03 gm/cc.
Det resulterende lag har et tomt volumen, d.v.s. et forhold af frit mellemrum i forhold til det fiberoptagede rum, som har en tendens til at sikre en korrekt virkemåde for laget 14.
Det anbefales almindeligvis, at laget har en tykkelse fra ca. 4,5 mm til 13 mm. Hvis laget 14 således er for tyndt, kan det ske, at den ønskede væsketætnende virkning, som det opnår takket være fibrenes indbyrdes indgreb ved sammentrykning af laget 14, ikke vil forekomme. I praksis bør man undgå overdreven tykkelse, da bleen derved kan blive for voluminøs og uhåndterlig for ikke at nævne muligt ubehag for det barn, som bærer bleen.
5 143432
Det beskrevne lag 14 kan fremstilles i overensstemmelse med inden for den foreliggende teknik velkendte fremgangsmåder. Fibre med de nævnte dimensioner kan således underkastes turbulente betingelser, hvorved fibrene orienteres tilfældigt, f. eks. ved luftblæsning og/ eller ved at tumle eller kaste dem hulter til bulter og ved tilsvar rende fremgangsmåder. Denne operation kan udføres ved temperaturer, der er tilstrækkelig store til at blødgøre fibrene, hvilket resulterer i en sammensmeltning af fibrene ved i det mindste et væsentligt antal af deres berøringspunkter. Alternativt kan fibrene behandles med et bindemiddel, f. eks. ved sprøjtning, for at skabe den ønskede fibrøse struktur. Bindemidler, der er egnede til denne anvendelse, er velkendte inden for den foreliggende teknik og omfatter f. eks. de i handelen forekommende produkter Mycar 2671 (B„F.Goodrich) og E771 (Rohm and Haas).
De fibre, der indbefattes i laget 14, er i det væsentlige på grund af deres hydrofobe karakter, i det væsentlige formbevarende, medens de udviser en effektiv fleksibilitet, elasticitet og sammentrykke-lighed, d.v.s. en "tilbagespringende" karakteristik, trods det forhold, at de udsættes for væsentlige mængder af spildvæske. Det fibrøse lag 14's vandtætnende egenskaber, således som de benyttes., for at forhindre "tilbagevådgøring" i overensstemmelse med den foreliggende opfindelse, kan forklares som følger. Med bleen lagt på plads på barnet er det vandgennemtrængelige lag 12 nabostillet til barnets hud. Når barnet urinerer, passerer urinen gennem det vandgennemtrængelige lag 12 og det fibrøse lag 14 og ind i den absorberende kerne 16, hvor det absorberes af banerne 18 og 20 og laget 22. Barnets vægt har en tendens til at sammentrykke laget 14, hvilket foranlediger, at fibrene kommer i indbyrdes indgreb. Dette reducerer igen i væsentlig grad laget 14’s tomrumvolumen i en sådan grad, at der dannes en tætning eller en barriere mod urinens genindtrængning ind i det vandgennemtrængelige lag 12.
Problemet vedrørende urinens tilbagetrædning er af indlysende grunde særlig akut i de områder af blebedækningen, der er underkastet kræfterne hidrørende fra barnets vægt. I disse specielle områder er imidlertid laget 14’s barrierevirkning mest udtalt og virkningsfuld.
Claims (1)
- 6 143432 Det er sandt, at laget 14, hvor det sammenpresses, kan danne en barriere for urinstrømmen til den absorberende kerne. Man har imidlertid i praksis fundet, at urinspildet ikke desto mindre nemt passerer ind i den absorberende kerne 16 og specielt i de områder af bleen, der er umiddelbart nabostillede til den sammentrykkede del af laget 14. Den absorberende kerne 16 kan ganske enkelt omfatte en konvolutagtig konstruktion omfattende absorberende baner eller lag 18 og 20 fyldt med et fibrøst, fnugagtigt stof 22, såsom træfnug, bomuldsfnug og tilsvarende materialer. Denne konvolut kan formes efter at blæse det absorberende fnugagtige materiale som en belægning enten på et af eller begge de absorberende baner 18 og 20, idet det sidstnævnte omfatter absorberende papir såsom renseservietagtigt papir eller tilsvarende materiale. Alternativt kan den absorberende kerne 16 ganske enkelt omfatte et antal papirlag eller folder med en fnugagtig belægning på disse eller folder af kreppet cellulose, vatlag og tilsvarende indlæg. Laget 24 er fremstillet af et hensigtsmæssigt vandtæt ikke-absorbe-rende, fortrinsvis harpikshindedannende polymert materiale, der er væskeuigennemtrængeligt for at forhindre væsken fra at strømme fuldstændigt gennem bleen. Banen eller laget 24 er fortrinsvis fremstillet af en polyethylenhinde. Andre hensigtsmæssige materialer omfatter f. eks. polypropylen og polyvinylchlorid. 1. Éngangsble (10), der i rækkefølge omfatter: et vandgennemtræn-geligt lag (12) ; et svampeagtigt, elastisk og sammentrykkeligt hydrofobt, fibrøst lag (14); en absorberende kerne (22) og et vanduigennemtrængeligt lag (24) , kendetegnet ved, at det hydrofobe, fibrøse lag (14) har en tæthed fra ca. 0,01 gm/cc til 0,03 gm/cc og indbefatter ikke vævede hydrofobe fibre med en gennemsnitlig længde fra ca. 6 mm til ca. 90 mm, hvilke fibre er bundet sammen ved i det mindste ét væsentligt antal af deres berøringspunkter.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/600,931 US3987792A (en) | 1975-07-31 | 1975-07-31 | Disposable diaper having improved liquid retention |
US60093175 | 1975-07-31 |
Publications (3)
Publication Number | Publication Date |
---|---|
DK315976A DK315976A (da) | 1977-02-01 |
DK143432B true DK143432B (da) | 1981-08-24 |
DK143432C DK143432C (da) | 1982-01-04 |
Family
ID=24405648
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK315976A DK143432C (da) | 1975-07-31 | 1976-07-13 | Engangsble |
Country Status (17)
Country | Link |
---|---|
US (1) | US3987792A (da) |
AU (1) | AU510715B2 (da) |
BE (1) | BE844662A (da) |
BR (1) | BR7604846A (da) |
CA (1) | CA1057458A (da) |
CH (1) | CH610737A5 (da) |
DE (1) | DE2632933A1 (da) |
DK (1) | DK143432C (da) |
FR (1) | FR2319307A1 (da) |
GB (1) | GB1535607A (da) |
GR (1) | GR60012B (da) |
IE (1) | IE43039B1 (da) |
IT (1) | IT1062620B (da) |
MX (1) | MX145547A (da) |
NL (1) | NL7608447A (da) |
PH (1) | PH12322A (da) |
ZA (1) | ZA763957B (da) |
Families Citing this family (55)
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GB1557460A (en) * | 1975-12-09 | 1979-12-12 | Johnson & Johnson | Absorbent pad |
US4077410A (en) * | 1976-07-06 | 1978-03-07 | Johnson & Johnson | Disposable absorbent pad with non-woven facing |
DE2922988A1 (de) * | 1978-06-09 | 1979-12-20 | Colgate Palmolive Co | Wegwerf-hygieneartikel mit hydrophober folie gegen ruecknaessen |
US4331501A (en) * | 1979-06-06 | 1982-05-25 | Riegel Textile Corporation | Apparatus and process for successively fabricating disposable diapers having multi-layer interior absorbent pads |
US4425126A (en) | 1979-12-28 | 1984-01-10 | Johnson & Johnson Baby Products Company | Fibrous material and method of making the same using thermoplastic synthetic wood pulp fibers |
JPS56106710U (da) * | 1980-01-17 | 1981-08-19 | ||
US4323069A (en) * | 1980-05-12 | 1982-04-06 | The Procter & Gamble Company | Disposable absorbent article having an intermediate layer interposed between the topsheet and the absorbent core |
US4324246A (en) * | 1980-05-12 | 1982-04-13 | The Procter & Gamble Company | Disposable absorbent article having a stain resistant topsheet |
US4551143A (en) * | 1980-10-06 | 1985-11-05 | Johnson & Johnson Baby Products Company | Nonwoven fibrous product and method of making same |
US4392861A (en) * | 1980-10-14 | 1983-07-12 | Johnson & Johnson Baby Products Company | Two-ply fibrous facing material |
US4392862A (en) * | 1981-03-02 | 1983-07-12 | The Procter & Gamble Company | Absorptive device |
US4568341A (en) * | 1982-03-10 | 1986-02-04 | James G. Mitchell | Absorbent pads, incontinence care products and methods of production |
US4839216A (en) * | 1984-02-16 | 1989-06-13 | The Procter & Gamble Company | Formed material produced by solid-state formation with a high-pressure liquid stream |
US4681793A (en) * | 1985-05-31 | 1987-07-21 | The Procter & Gamble Company | Non-occluding, liquid-impervious, composite backsheet for absorptive devices |
US4738676A (en) * | 1984-06-21 | 1988-04-19 | The Procter & Gamble Company | Pantiliner |
US4629643A (en) * | 1985-05-31 | 1986-12-16 | The Procter & Gamble Company | Microapertured polymeric web exhibiting soft and silky tactile impression |
US4798602A (en) * | 1986-03-04 | 1989-01-17 | Exxon Chemical Patents Inc. | Disposable liquid-absorbent products |
US4798603A (en) | 1987-10-16 | 1989-01-17 | Kimberly-Clark Corporation | Absorbent article having a hydrophobic transport layer |
US5093176A (en) * | 1988-02-16 | 1992-03-03 | Absorbent Technologies, Inc. | Composite cooking device |
US5134007A (en) * | 1988-05-24 | 1992-07-28 | The Procter & Gamble Company | Multiple layer absorbent cores for absorbent articles |
US4988344A (en) * | 1988-05-24 | 1991-01-29 | The Procter & Gamble Company | Absorbent articles with multiple layer absorbent layers |
US4988345A (en) * | 1988-05-24 | 1991-01-29 | The Procter & Gamble Company | Absorbent articles with rapid acquiring absorbent cores |
CA2014203C (en) * | 1989-05-08 | 2000-03-21 | Margaret Gwyn Latimer | Absorbent structure having improved fluid surge management and product incorporating same |
CA2026326A1 (en) | 1989-10-04 | 1991-04-05 | James Arthur Davis | Disposable diaper having a humidity transfer region, breathable zone panel and separation layer |
US5141794A (en) * | 1989-11-03 | 1992-08-25 | At&T Bell Laboratories | Superabsorbent article having relatively thin liquid absorbent portion |
US5037409A (en) * | 1990-07-12 | 1991-08-06 | Kimberly-Clark Corporation | Absorbent article having a hydrophilic flow-modulating layer |
CA2057687C (en) * | 1991-09-11 | 2002-09-17 | Georgia L. Zehner | Newborn's growth adjustable absorbent diaper having variable overlapping and non-overlapping ears |
US5366453A (en) * | 1991-09-11 | 1994-11-22 | Kimberly-Clark Corporation | Newborn's growth adjustable absorbent diaper having variable overlapping and non-overlapping ears |
ZA92308B (en) * | 1991-09-11 | 1992-10-28 | Kimberly Clark Co | Thin absorbent article having rapid uptake of liquid |
US5192606A (en) * | 1991-09-11 | 1993-03-09 | Kimberly-Clark Corporation | Absorbent article having a liner which exhibits improved softness and dryness, and provides for rapid uptake of liquid |
CA2057739A1 (en) * | 1991-09-11 | 1993-03-12 | Kimberly-Clark Worldwide, Inc. | Disposable diaper having differentially stretchable ears with childproof fastening |
US5489282A (en) * | 1991-09-11 | 1996-02-06 | Kimberly-Clark Corporation | Newborn's growth adjustable absorbent diaper having variable overlapping and non-overlapping ears |
US5370764A (en) | 1992-11-06 | 1994-12-06 | Kimberly-Clark Corporation | Apparatus for making film laminated material |
MX9300424A (es) | 1992-11-06 | 1994-05-31 | Kimberly Clark Co | Tela laminada fibrosa y metodo y aparato para la fabricacion de la misma. |
US5368910A (en) * | 1993-04-02 | 1994-11-29 | The Procter & Gamble Company | Macroscopically expanded plastic web having improved fluid drainage |
US5368909A (en) * | 1993-04-02 | 1994-11-29 | The Procter & Gamble Company | Fluid-pervious plastic web having improved fluid drainage |
DE4318500A1 (de) * | 1993-06-04 | 1994-12-08 | Walter Dr Koecher | Flüssigkeitsabsorbierender Textilstoffverbund |
US5817394A (en) | 1993-11-08 | 1998-10-06 | Kimberly-Clark Corporation | Fibrous laminated web and method and apparatus for making the same and absorbent articles incorporating the same |
CA2175991C (en) * | 1993-11-18 | 2000-09-05 | John Thomas Cooper | Fibrous and apertured, three-dimensional, macroscopically expanded plastic web |
BR9408104A (pt) * | 1993-11-18 | 1997-08-05 | Procter & Gamble | Textura plástica permeável a fluidos resiliente tridimensional expandida macroscopicamemtee e processo para formar essa textura |
US5665452A (en) * | 1994-03-03 | 1997-09-09 | The Procter & Gamble Company | Three-dimensional, macroscopically expanded, apertured laminate webs |
US5562650A (en) * | 1994-03-04 | 1996-10-08 | Kimberly-Clark Corporation | Absorbent article having an improved surge management |
US6186991B1 (en) | 1998-06-29 | 2001-02-13 | The Procter & Gamble Company | Disposable article having a responsive system including a mechanical actuator |
US7772455B1 (en) | 1997-11-14 | 2010-08-10 | The Procter & Gamble Company | Disposable article providing improved management of bodily exudates |
US6149636A (en) | 1998-06-29 | 2000-11-21 | The Procter & Gamble Company | Disposable article having proactive sensors |
US6359190B1 (en) | 1998-06-29 | 2002-03-19 | The Procter & Gamble Company | Device for measuring the volume of a body cavity |
WO2000000082A1 (en) | 1998-06-29 | 2000-01-06 | The Procter & Gamble Company | Disposable article having proactive sensor |
US6160198A (en) * | 1998-06-29 | 2000-12-12 | The Procter & Gamble Company | Disposable article having a discontinuous responsive system |
US6342037B1 (en) | 1998-06-29 | 2002-01-29 | The Procter & Gamble Company | Device having fecal component sensor |
US6372951B1 (en) | 1998-06-29 | 2002-04-16 | The Procter & Gamble Company | Disposable article having sensor to detect impending elimination of bodily waste |
US6433244B1 (en) | 1998-06-29 | 2002-08-13 | The Procter & Gamble Company | Disposable treatment article having a responsive system |
KR20010053334A (ko) | 1998-06-29 | 2001-06-25 | 데이비드 엠 모이어 | 일회용 배설물 처리 기구 |
WO2000005065A1 (en) * | 1998-07-22 | 2000-02-03 | The Procter & Gamble Company | Paper web having a liquid impermeable, breathable barrier layer |
US20050099294A1 (en) * | 2003-08-05 | 2005-05-12 | Bogner James T. | System for managing conditions |
US20060058767A1 (en) * | 2004-09-14 | 2006-03-16 | Fen Zhang | Diapers with improved leak prevention |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
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FR1365163A (fr) * | 1962-12-29 | 1964-06-26 | Procédé de fabrication de serviettes périodiques | |
FR1346027A (fr) * | 1963-01-29 | 1963-12-13 | Perfectionnement à la fabrication d'alaises hygiéniques | |
GB1158520A (en) * | 1966-06-28 | 1969-07-16 | Kendall & Co | Absorbent Dressings |
GB1259983A (en) * | 1968-01-23 | 1972-01-12 | Kimberly Clark Co | Sanitary napkin |
US3612055A (en) * | 1969-09-29 | 1971-10-12 | Johnson & Johnson | Disposable diaper or the like and method of manufacture |
CH524968A (it) * | 1970-03-13 | 1972-07-15 | Cartiera Di Cairate S P A | Pannolino per bambini |
US3683916A (en) * | 1971-01-11 | 1972-08-15 | Frederick K Mesek | Disposable diaper |
US3888257A (en) * | 1973-10-01 | 1975-06-10 | Parke Davis & Co | Disposable absorbent articles |
-
1975
- 1975-07-31 US US05/600,931 patent/US3987792A/en not_active Expired - Lifetime
-
1976
- 1976-07-02 ZA ZA00763957A patent/ZA763957B/xx unknown
- 1976-07-08 MX MX165440A patent/MX145547A/es unknown
- 1976-07-13 DK DK315976A patent/DK143432C/da not_active IP Right Cessation
- 1976-07-13 AU AU15837/76A patent/AU510715B2/en not_active Ceased
- 1976-07-14 GR GR51264A patent/GR60012B/el unknown
- 1976-07-15 IT IT50453/76A patent/IT1062620B/it active
- 1976-07-15 GB GB29544/76A patent/GB1535607A/en not_active Expired
- 1976-07-22 DE DE19762632933 patent/DE2632933A1/de active Granted
- 1976-07-23 FR FR7622530A patent/FR2319307A1/fr active Granted
- 1976-07-26 BR BR7604846A patent/BR7604846A/pt unknown
- 1976-07-26 CA CA257,773A patent/CA1057458A/en not_active Expired
- 1976-07-27 CH CH959976A patent/CH610737A5/xx not_active IP Right Cessation
- 1976-07-27 IE IE1688/76A patent/IE43039B1/en unknown
- 1976-07-29 PH PH7618735A patent/PH12322A/en unknown
- 1976-07-29 BE BE169361A patent/BE844662A/xx not_active IP Right Cessation
- 1976-07-29 NL NL7608447A patent/NL7608447A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
PH12322A (en) | 1979-01-16 |
DE2632933A1 (de) | 1977-02-17 |
IE43039B1 (en) | 1980-12-03 |
US3987792A (en) | 1976-10-26 |
FR2319307B1 (da) | 1980-09-12 |
AU1583776A (en) | 1978-01-19 |
DK315976A (da) | 1977-02-01 |
ZA763957B (en) | 1978-02-22 |
BR7604846A (pt) | 1977-08-09 |
FR2319307A1 (fr) | 1977-02-25 |
DE2632933C2 (da) | 1987-11-19 |
GR60012B (en) | 1978-03-30 |
CH610737A5 (da) | 1979-05-15 |
MX145547A (es) | 1982-03-08 |
CA1057458A (en) | 1979-07-03 |
IT1062620B (it) | 1984-10-20 |
GB1535607A (en) | 1978-12-13 |
BE844662A (fr) | 1976-11-16 |
IE43039L (en) | 1977-01-31 |
AU510715B2 (en) | 1980-07-10 |
DK143432C (da) | 1982-01-04 |
NL7608447A (nl) | 1977-02-02 |
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Legal Events
Date | Code | Title | Description |
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PBP | Patent lapsed |