DK158135B - Vaeskeopsugende baneformet vare samt fremgangsmaade til fremstilling af denne - Google Patents
Vaeskeopsugende baneformet vare samt fremgangsmaade til fremstilling af denne Download PDFInfo
- Publication number
- DK158135B DK158135B DK499783A DK499783A DK158135B DK 158135 B DK158135 B DK 158135B DK 499783 A DK499783 A DK 499783A DK 499783 A DK499783 A DK 499783A DK 158135 B DK158135 B DK 158135B
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- DK
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- product
- absorbent
- liquid
- film
- product according
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- Y10T156/1739—Webs of different width, longitudinally aligned
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
- Y10T156/1702—For plural parts or plural areas of single part
- Y10T156/1744—Means bringing discrete articles into assembled relationship
- Y10T156/1751—At least three articles
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Epidemiology (AREA)
- Vascular Medicine (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Botany (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Laminated Bodies (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Description
1 DK 158135 B
Opfindelsen omhandler en fremgangsmåde til fremstilling af en væskeabsorberende vare til engangsbrug og en sådan vare af den i krav lrs indledning angivne art, der benyttes i bandager, hygiejnebind, bleer eller komplette udskiftningsundertøj til småbørn eller inkontinente voksne personer.
5
Der kendes sådanne varer med en folie af polyethylen, der er ombukket langs emnets rand til dannelse af et vandafvisende og uigennemtrængeligt smalt bånd på siden af en ikke-vævet overflade. Når en sådan vare er korrekt anbragt på brugeren, forbliver de væsker, der skal absorberes, i den af polyethylenbåndet afgrænsede zone. Risikoen for udsivninger er lille, men en sådan vare har den ulempe, at brugerens hud er fugtig over hele varens overflade.
15
Der kendes også hygiejnebind, som er helt omsluttet af en ikke-vævet vare og imellem denne og en absorberende pude er forsynet med en formstoffolie i U-form, der beskytter ikke blot varens underflade, men også dens sider. Nu han- pn delsføres der også hygiejnebind med en formstoffolie, hvis u-formede grene er ombukket langs længdekanterne til dannelse af en slags afløbsrende. Her er risikoen for udsivninger langs siderne praktisk taget nul, men varens ender frembyder ingen spærring over for væskerne.
25
Fra fransk patentskrift nr. 2 301 189 kendes en absorberende vare af den omhandlede art og en fremgangsmåde til dens fremstilling, hvor den væskegennemtrængelige zone tilvejebringes ved perforering med nåle, efterfulgt af en 30 opvarmning til udvidelse af hullerne. Denne fremgangsmåde er vanskelig at administrere, da lidt for brede huller medfører en svækkelse af sammenhængskraften til skade for varens kvalitet. Endvidere er den gennemtrængelige zones tilskæring og form begrænset og medfører unødigt mate-35 rialetab.
.DK 158135 B
2
Opfindelsen har til formål at afhjælpe disse ulemper ved de kendte varer af denne art. Dette opnås ifølge opfindelsen ved en fremgangsmåde af den i krav 1' s kendetegnende del angivne art og for en vare med en opbygning af 5 den i krav 6's indledning angivne art, der er udformet som angivet i krav 6's kendetegnende del.
Den uigennemtrængelige folie kan mikroperforeres før udskæringen, eksempelvis ved hjælp af en valse med pigge og 10 en modvalse med en mosagtig overflade, hvilke valser har samme bredde som folien. Herved opnås der en vare, som tilbageholder væskerne på særdeles tilfredsstillende måde uden at vise nogen form for opløsningsfænomener.
15 Udskæringen kan tilvejebringes ved hjælp af en kniv, der udskærer en sinuskurve i den bevægede uigennemtrængelige folie, hvor amplituden af sinuskurven svarer til den halve bredde af den gennemtrængelige zone og den halve bølgelængde til længden af den gennemtrængelige zone.
20
Ved hjælp af opfindelsen kan der tilvejebringes varer af den angivne art til engangsbrug, hvor den absorberede væske er indesluttet i en uigennemtrængelig lomme, og hvor væskernes opstigning langs siderne ved enderne er 25 umulig.
Opfindelsen forklares nærmere i forbindelse med tegningen, hvor: 30 Fig. 1 er en plan afbildning fra oven af en vare ifølge en første udførelsesform for opfindelsen, fig. 2 er en plan afbildning fra oven af en vare, hvis centrale absorptionszone er afgrænset af to i en uigen-35 nemtrængelig folie udskårne bånd,
. DK 158135 B
3 fig. 3 er et snit igennem fig. 1 langs linien A-A, fig. 4 er et snit igennem fig. 2 langs linien A-A, 5 fig. 5 er et snit igennem fig. 2 langs linien B-B, fig. 6 er et snit igennem fig. 1 langs linien B-B, fig. 7 er en afbildning fra enden af fig. 1, 10 fig. 8 er en afbildning fra enden af fig. 2, fig. 9 er en afbildning fra oven af et komplet udskiftningsundertøj ifølge opfindelsen.
15 fig. 10 er et snit igennem fig. 9 langs linien A-A, fig. 11 er et snit igennem fig. 9 langs linien B-B, 20 fig. 12 er en afbildning fra enden af fig. 9, fig. 13 er en skematisk afbildning af et apparat til fremstilling af en vare ifølge opfindelsen, 25 fig· 14 er en afbildning fra oven af en forud afskåret folie langs en bane til fremstilling af absorptionszoner, . . °g fig. 15 er en afbildning fra oven af to i en folie på 30 fig. 14 afskårne bånd og samlet til dannelse af åbne zoner.
Den på fig. 1 og 2 viste vare ifølge opfindelsen omfatter en absorberende masse 1 med en øverste overflade 2 og en 35 nederste overflade 3, bestående af en for væsker gennem-trængelig ikke-vævet vare 4. En for væsker uigennemtrængelig folie 5 er anbragt imellem den absorberende 4
DK 158135 B
masse 1 og varen 4 mod den øverste overflade 2. Folien 5 har en for væsker gennemtrængelig zone 6 og kan bestå af to halvfolier 5a og 5b. Varens ender er betegnet ved 7 og 8.
5
Som vist på fig. 3 omfatter zonen 6 et antal perforeringer 6a, og folien 5 er overtrukket med den ikke-vævede vare 4 og længderandene limet eller varmeklæbet ved 10.
10 I udførelsesformen på fig. 4 er de to halvfolier 5a og 5b udklippet og samlet til dannelse af en aflang åbning 6, og den absorberende masse 1 er fuldstændigt omsluttet undtagen i området 6.
15 Den absorberende masse 1 er hensigtsmæssigt omsluttet af en folie 9 af vævet vat, der tilvejebringer en god væskediffusion. Folien 9 er anbragt imellem den absorberende masse 1 og den uigennemtrængelige folie 5a, 5b.
20 I udførelsesformen på fig. 5 er de to halvfolier 5a og 5b ved begge overfladerne 2 og 3 limet eller varmeklæbet ved 10a og 10b til fuldstændig omslutning af den absorberende masse 1 ved emnets ender 7 og 8.
25 I den på fig. 6 viste udførelsesform omslutter folien 5 fuldstændigt den absorberende masse 1, og dens langsgående rande er limet eller varmeklæbet ved 10 langs varens underste overflade 3.
30 Som vist på fig. 7 og 8 er folien 5 eller de to halvfolier 5a og 5b limet eller varmeklæbet sammen i tværretningen til lukning af varens ender 7 og 8.
Det ses, at væskerne absorberes i den absorberende masse 35 1 og igennem zonen 6 og diffunderer i hele den absorbe rende masse, især i de partier, der er indklemt i den uigennemtrængelige folie 5. Da enderne 7 og 8 er lukket,
DK 158135 B
s kan væskerne ikke befugte varens øverste overflade 2, og den ikke-vævede vare 4 forbliver eventuelt kun fugtig i zonen 6.
5 Fig. 9-12 viser et komplet udskiftningsundertøj med en absorberende masse 11, der er omsluttet af en folie 19 af vævet vat og fastgjort på en uigennemtrængelig folie 22.
Langs den absorberende masses længdekanter er der klæbet strimler i udstrakt stand på folien 22. To bånd 15a og 10 15b, som er udklippet af en uigennemtrængelig folie, er anbragt på den absorberende masse 11 og afgrænser en zone 16 til gennemgang af væsker. Ved enderne af den absorberende masse 11 dækker båndene 15a og 15b hinanden fuldstændigt. Udskiftningsundertøjets endepartier 17 og 18 er 15 lukket, og folierne 15a, 15b og 22 er limet eller varme-klæbet i tværretningen. Også længdekanterne er limet eller varmeklæbet. Den øverste overflade 12 af det komplette udskiftningssæt består af en ikke-vævet vare 14, der er gennemtrængelig for væsker, og som er limet eller 20 varmeklæbet langs hele sin overflade til de to bånd 15a og 15b.
Fig. 13 viser et apparat til fremstilling af varen ifølge opfindelsen, hvor et bånd 31 af en defibreret masse, om-25 sluttet af en folie af vævet vat, føres igennem trykvalser 32 og derefter igennem en båndafklipningsanordning 33 til dannelse af en række adskilte absorberende masser 34. En uigennemtrængelig folie 35 afrulles fra en moderrulle 36 og føres igennem en afklipningsanordning 37 30 til dannelse af to halvbånd 35a og 35b. Båndet 35a følger en længere vandringsbane end båndet 35b til dannelse af de på fig. 2 viste zoner 6. Umiddelbart før påføringen på de absorbernde masser 34 fæstnes båndene 35a og 35b ved hjælp af en klæbeanordning 38 til en ikke-vævet vare 39.
35 På kendt måde fremføres de adskilte absorberende masser 34 på en formstof folie, der skal danne bagsiden af det komplette udskiftningsundertøj.
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Herved dannes der et kontinuert hylster bestående af en rækkefølge af absorberende masser indklemte i en uigennemtrængelig omslutning undtagen i deres øverste centrale zone. De individuelle varer adskilles eksempelvis ved 5 hjælp af en skærebrænder. Det er også muligt at varme-klæbe varerne i tværretningen og derefter adskille dem ved hjælp af en roterende kniv.
Fig. 14 og 15 viser, hvorledes man ud fra en folie 45 10 tilvejebringer to halvbånd 45a og 45b.
Folien 45 afklippes langs et spor T bestående af en rækkefølge af retliniede afsnit T^, T2, T3... med samme længde £ og forløbende parallelt med længdeaksen XX' af 15 folien 45, beliggende i forbandt på hver sin side af aksen XX’, idet afstanden imellem to afsnit og T^, der ligger på samme side af aksen XX ’, er større end * . De hosliggende ender af to på hinanden følgende afsnit og T2, der ligger på hver sin side af aksen XX', er f or-20 bundet gennem et afsnit Ί" 12, hvis midtpunkt M^2 er beliggende på aksen XX'.
Båndet 45b forskydes i tværretningen en strækning lidt større end d^ (afstanden imellem afsnittene T1, T2, og 25 aksen XX') og derefter i længderetningen en strækning lig med skridtlængden af sporet T således, at to afsnit, såsom og T2, kommer til at ligge symmetrisk i forhold til aksen XX'. Herved dannes der en rækkefølge af åbne zoner 46, og båndene 45a og 45b dækker kun hinanden 30 imellem zonerne 46.
UDFØRELSESEKSEMPEL
For at tilvejebringe en zone 46 med en største længde-35 dimension 315 mm og bredde 110 mm og med en varedimension 550 x 350 mm udgår man fra en polyethylenfolie med bredden 300 mm.
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Der af klippes afsnit T^, Tg, Tg ... med længden 205 mm parallelt med aksen XX' og beliggende i en afstand på 30 mm fra aksen. Afsnittene T^, Tg, Tg anbringes således, at afstanden M]_2~M23 "to hosliggende skrå afsnit 5 T'i2' ^'23 er ^75 mm* Afklipningsskridtlængden er 265 nun.
Ved at forskyde båndet 45b 50 mm i tværretningen og 265 mm i længderetningen tilvejebringes der en rækkefølge af åbne zoner 46 med bredden 110 mm og en maksimal længde 10 315 mm.
De to bånd 45a og 45b overlapper hinanden med 10 mm i længderetningen langs aksen XX', 15 20 25 30 35
Claims (15)
1. Fremgangsmåde til kontinuerlig fremstilling af en en-5 gangsvare til absorption af væsker ved hjælp af et apparat, der omfatter en anordning til defibrering af papirmasse, en anordning til dannelse af et kontinuerligt bånd (31) ud fra den defibrerende masse, og en anordning (33) til afklipning af båndet til dannelse af en 10 rækkefølge af absorberende masser (34), hvor en folie (35,45) af et uigennemtrængeligt materiale med væske-gennemtrængelige zoner (46) afrulles fra en moderrulle (36) og aflægges på de absorberende masser med de væske-gennemtrængelige zoner liggende i de absorberende massers 15 centrale område, og de dannede hylstre opdeles i individuelle emner, kendetegnet ved, at a) den uigennemtrængelige folie (35, 45) før aflægningen på de absorberende masser (34) føres igennem en afklip- 20 ningsanordning (37) til dannelse af to kontinuerte bånd (35a, 35b, 45a, 45b) i foliens midterområde langs et spor bestående af en rækkefølge af retliniede afsnit (T^, Tg, ...) af samme længde og forløbende parallelt med foliens længdeakse (XX') og beliggende i forbandt på hver 25 sin side af aksen og forskudt indbyrdes således, at afstanden imellem to på hinanden følgende afsnit beliggende på samme side af aksen er større end længden af et afsnit, og hvilke afsnits ender er forbundet gennem skrå afsnit (Τ' / T’23), ^er skærer aksen (χχ') i deres 30 midtpunkt (M12, Mgg), b) det første bånd (35b, 45b) forskydes i tværrretningen en strækning, der er lidt større end afstanden (d^) imellem de på hver sin side af aksen (XX*) beliggende afsnit 35 og denne akse, 9 DK 158135 B c) det andet bånd (35a, 45a) bevæges i en bane, hvis længde er en afklipningsskridtlængde større end det første bånds (35b, 45b) bane, og 5 d) begge båndene (35a, 45a) og (35b, 45B) derefter af lægges på de absorberende masser (34) til indbyrdes afgrænsning af de væskegennemtrængelige åbne zoner (46).
2. Fremgangsmåde ifølge krav 1, kendetegnet 10 ved, at de to bånd (35a, 35b, 45a, 45b) af uigennem trængelige folier (35, 45) ved varmklæbning eller limning forbindes med en ikke-vævet vare (39) før aflægningen på de absorberende masser (34).
3. Fremgangsmåde ifølge krav 1, kendetegnet ved, at de to bånd (35a) og (35b) fastgøres ved hjælp af et klæbeorgan (38) til en ikke-vævet vare (39) umidddel-bart før aflægningen på de absorberende masser (34).
4. Fremgangsmåde ifølge krav 1, kendetegnet ved, at opdelingen af det imellem den uigennemtrængelige folie (35, 45) og den varens underside dannende form stof folie (22) indklemte bånd (31) af defibreret masse foretages ved skærebrænding. 25
5. Fremgangsmåde ifølge krav 1, kendetegnet ved, at endepartierne (7,8) af hver vare varmklæbes i tværretningen før opdelingen af hylsteret i individuelle varer. 30
6. Engangsvare til absorption af væsker som fremstillet ved fremgangsmåden ifølge krav 1-5 og omfattende en absorberende masse (1,11), hvis i det mindste øverste overflade (2) består af en væskegennemtrængelig ikke-væ- 35 vet vare (4,14) og en imellem den absorberende masse og den ikke-vævede vare anbragt uigennemtrængelig folie (5,15) med en for væsker gennemtrængelig central zone 10 DK 158135 B (6,16), som dækker mindst 50% af dén absorbernde masse (1), kendetegnet ved, at folien (5,15) består af mindst to bånd (5a, 5b) og (15a, 15b), der er afklippet i længderetningen af en enkelt folie langs en 5 knækket eller bølgeformet linie, og som efter forskydning danner den væskegennemtrængelige zone (6,16).
7. Vare ifølge krav 6, kendetegnet ved, at den uigennemtrængelige folie (5,15) består af to halvbånd 10 (5a, 5b) og (15a, 15b), der er limet eller varmklæbet i tværretningen til hinanden til lukning af varens endepartier (7,17) og (8,18).
8. Vare ifølge krav 6, kendetegnet ved, at bån-15 dene (35a, 45a) og (35b, 45b) er varmklæbet langs undersiden af de absorberende masser (34).
8 DK 158135 B
9. Vare ifølge krav 6 eller 7, kendetegnet ved, at båndene (5a, 15a) og (5b, 15b) er varmklæbet eller 20 limet i længderetningen til dannelse af en formstoffolie (22), der er uigennemtrængelig for væsker og udgør den underste overflade (3).
10. Vare ifølge krav 6-9, kendetegnet ved, at 25 den uigennemtrængelige folie (5) er limet eller varmklæbet til den ikke-vævede vare (4) langs hele overfladen af den øverste overflade (2).
11. Vare ifølge krav 6-10, kendetegnet ved, at 30 den er udformet som en bandage.
12. Vare ifølge krav 6-10, kendetegnet ved, at den er udformet som et hygiejnebind.
13. Vare ifølge krav 6-10, kendetegnet ved, at den er udformet som en barneble eller ble til inkontinen-te voksne personer. . DK 158135 B u
14. Vare ifølge krav 6-10, kendetegnet ved, at den er udformet som et komplet udskiftningsundertøj til spædbørn eller til inkontinente voksne personer.
15. Vare ifølge krav 14, kendetegnet ved, at den omfatter elastiske partier beliggende i den til anbringelse i bærerens skridtparti bestemte zone. 10 15 20 25 30 35
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8203409 | 1982-03-02 | ||
FR8203409A FR2522521B1 (fr) | 1982-03-02 | 1982-03-02 | Article a usage unique destine a absorber les liquides |
FR8300023 | 1983-02-03 | ||
PCT/FR1983/000023 WO1983003051A1 (en) | 1982-03-02 | 1983-02-03 | Method for manufacturing an article of a unique use and article having a unique use intended to absorb liquids |
Publications (4)
Publication Number | Publication Date |
---|---|
DK499783D0 DK499783D0 (da) | 1983-11-01 |
DK499783A DK499783A (da) | 1983-11-01 |
DK158135B true DK158135B (da) | 1990-04-02 |
DK158135C DK158135C (da) | 1990-08-27 |
Family
ID=9271480
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK499783A DK158135C (da) | 1982-03-02 | 1983-11-01 | Vaeskeopsugende baneformet vare samt fremgangsmaade til fremstilling af denne |
Country Status (21)
Country | Link |
---|---|
US (1) | US4595441A (da) |
EP (1) | EP0101690B1 (da) |
JP (1) | JPS59500255A (da) |
AU (1) | AU549965B2 (da) |
BE (1) | BE893697A (da) |
CA (1) | CA1278280C (da) |
DE (2) | DE3234501A1 (da) |
DK (1) | DK158135C (da) |
ES (2) | ES519714A0 (da) |
FI (1) | FI75488C (da) |
FR (1) | FR2522521B1 (da) |
GR (1) | GR78471B (da) |
IE (1) | IE54379B1 (da) |
IT (1) | IT1162830B (da) |
MA (1) | MA19715A1 (da) |
MX (1) | MX158405A (da) |
NO (1) | NO158325C (da) |
OA (2) | OA07331A (da) |
PT (1) | PT76320B (da) |
WO (1) | WO1983003051A1 (da) |
ZA (1) | ZA831072B (da) |
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US4410324A (en) * | 1981-03-16 | 1983-10-18 | Sabee Reinhardt N | Form fit diaper with inside seal and thickened crotch and method of making the same |
FR2542608B1 (fr) * | 1983-03-14 | 1986-12-12 | Biotrol Sa Lab | Serviette absorbante pour incontinence urinaire feminine |
DE3343622A1 (de) * | 1983-12-02 | 1985-06-20 | W. Pelz Gmbh & Co, 2362 Wahlstedt | Windelslip fuer erwachsene |
FR2557774B1 (fr) * | 1984-01-06 | 1988-04-22 | Boussac Saint Freres Bsf | Couche-culotte a etancheite amelioree. |
FR2566631B1 (fr) * | 1984-06-28 | 1988-08-05 | Boussac Saint Freres Bsf | Couche-culotte a ceinture elastique et procede de fabrication d'une telle couche-culotte |
FR2586533B1 (fr) * | 1985-08-27 | 1987-12-11 | Boussac Saint Freres Bsf | Matelas absorbant en forme de sablier pour une couche-culotte et procede de fabrication en continu de tels matelas. |
US4666550A (en) * | 1986-02-24 | 1987-05-19 | Philip Morris Incorporated | Apparatus for producing a strip of laminated sheet material |
JPH02102650A (ja) * | 1988-10-11 | 1990-04-16 | Honshu Paper Co Ltd | 使い捨ておむつ |
JPH02234760A (ja) * | 1989-03-09 | 1990-09-17 | Uni Charm Corp | 使い捨て着用物品の製造方法 |
JP2622414B2 (ja) * | 1989-04-29 | 1997-06-18 | ユニ・チャーム株式会社 | 着用物品用構成部材の製造方法 |
US5191906A (en) * | 1990-10-30 | 1993-03-09 | Philip Morris Incorporated | Process for making wrappers for smoking articles which modify the burn rate of the smoking article |
GR1002280B (el) * | 1991-09-27 | 1996-05-02 | Mcneil-Ppc Inc. | Απορροφητικον αντικειμενο το οποιο εχει παραθυρο προσβολης. |
MY125576A (en) * | 1991-09-27 | 2006-08-30 | Johnson & Johnson Inc | No waste absorbent product. |
JP3130367B2 (ja) * | 1992-04-17 | 2001-01-31 | ユニ・チャーム株式会社 | 使い捨てオムツの肌当て上面シートに弾性開口部を形成する方法 |
JP3130365B2 (ja) * | 1992-04-30 | 2001-01-31 | ユニ・チャーム株式会社 | 肌当て上面シートに弾性開口部を有する使い捨てオムツ及びその弾性開口部を形成する方法 |
JP3563417B2 (ja) * | 1992-06-01 | 2004-09-08 | 株式会社日本吸収体技術研究所 | ポケット構造をもつオムツおよびその製造法 |
US5330598A (en) * | 1992-08-14 | 1994-07-19 | Paragon Trade Brands, Inc. | Method of manufacturing an absorbent garment with target region and end caps |
IT1257101B (it) * | 1992-09-16 | 1996-01-05 | Gianfranco Palumbo | Articolo assorbente con distribuzione controllata del liquido. |
SE508450C2 (sv) * | 1992-11-11 | 1998-10-05 | Sca Hygiene Prod Ab | Absorberande artikel jämte sätt för framställning härav |
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1982
- 1982-03-02 FR FR8203409A patent/FR2522521B1/fr not_active Expired
- 1982-06-29 BE BE0/208489A patent/BE893697A/fr not_active IP Right Cessation
- 1982-09-17 DE DE19823234501 patent/DE3234501A1/de active Granted
-
1983
- 1983-02-03 EP EP83900491A patent/EP0101690B1/fr not_active Expired
- 1983-02-03 DE DE8383900491T patent/DE3363230D1/de not_active Expired
- 1983-02-03 WO PCT/FR1983/000023 patent/WO1983003051A1/en active IP Right Grant
- 1983-02-03 JP JP58500582A patent/JPS59500255A/ja active Granted
- 1983-02-03 AU AU11541/83A patent/AU549965B2/en not_active Ceased
- 1983-02-03 US US06/552,147 patent/US4595441A/en not_active Expired - Lifetime
- 1983-02-11 ES ES519714A patent/ES519714A0/es active Granted
- 1983-02-11 MA MA19933A patent/MA19715A1/fr unknown
- 1983-02-11 ES ES1983270301U patent/ES270301U/es active Pending
- 1983-02-16 IE IE322/83A patent/IE54379B1/en not_active IP Right Cessation
- 1983-02-17 ZA ZA831072A patent/ZA831072B/xx unknown
- 1983-02-28 GR GR70624A patent/GR78471B/el unknown
- 1983-03-01 OA OA57925A patent/OA07331A/xx unknown
- 1983-03-01 MX MX196436A patent/MX158405A/es unknown
- 1983-03-01 IT IT67234/83A patent/IT1162830B/it active
- 1983-03-01 CA CA000422633A patent/CA1278280C/fr not_active Expired - Lifetime
- 1983-03-01 PT PT76320A patent/PT76320B/pt unknown
- 1983-10-11 FI FI833692A patent/FI75488C/fi not_active IP Right Cessation
- 1983-10-13 OA OA58132A patent/OA07561A/xx unknown
- 1983-11-01 NO NO83833981A patent/NO158325C/no unknown
- 1983-11-01 DK DK499783A patent/DK158135C/da not_active IP Right Cessation
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