LU83444A1 - Procede pour lier de maniere autogene une feuille continue non-tissee,et cette feuille continue - Google Patents
Procede pour lier de maniere autogene une feuille continue non-tissee,et cette feuille continue Download PDFInfo
- Publication number
- LU83444A1 LU83444A1 LU83444A LU83444A LU83444A1 LU 83444 A1 LU83444 A1 LU 83444A1 LU 83444 A LU83444 A LU 83444A LU 83444 A LU83444 A LU 83444A LU 83444 A1 LU83444 A1 LU 83444A1
- Authority
- LU
- Luxembourg
- Prior art keywords
- strip
- bonds
- roller
- bonding
- fibers
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 33
- 239000000835 fiber Substances 0.000 claims description 50
- 238000004049 embossing Methods 0.000 claims description 24
- 238000010521 absorption reaction Methods 0.000 claims description 17
- 238000002844 melting Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims description 10
- 239000012815 thermoplastic material Substances 0.000 claims description 10
- 229920001169 thermoplastic Polymers 0.000 claims description 7
- 239000004416 thermosoftening plastic Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 230000004927 fusion Effects 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000004745 nonwoven fabric Substances 0.000 description 6
- 239000004743 Polypropylene Substances 0.000 description 5
- 239000004744 fabric Substances 0.000 description 5
- -1 polypropylene Polymers 0.000 description 5
- 229920001155 polypropylene Polymers 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 238000009960 carding Methods 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000004520 agglutination Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 230000005087 leaf formation Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920005594 polymer fiber Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000003655 tactile properties Effects 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/556—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving by infrared heating
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24826—Spot bonds connect components
-
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/69—Autogenously bonded nonwoven fabric
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Nonwoven Fabrics (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/161,270 US4315965A (en) | 1980-06-20 | 1980-06-20 | Method of making nonwoven fabric and product made thereby having both stick bonds and molten bonds |
| US16127080 | 1980-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU83444A1 true LU83444A1 (fr) | 1981-10-29 |
Family
ID=22580524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU83444A LU83444A1 (fr) | 1980-06-20 | 1981-06-19 | Procede pour lier de maniere autogene une feuille continue non-tissee,et cette feuille continue |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4315965A (da) |
| BE (1) | BE889315A (da) |
| DE (1) | DE3123912A1 (da) |
| DK (1) | DK158917C (da) |
| FR (1) | FR2485051A1 (da) |
| GB (1) | GB2078271B (da) |
| IT (1) | IT1144248B (da) |
| LU (1) | LU83444A1 (da) |
| NL (1) | NL8102991A (da) |
| SE (1) | SE449377B (da) |
Families Citing this family (78)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4422892A (en) * | 1981-05-04 | 1983-12-27 | Scott Paper Company | Method of making a bonded corrugated nonwoven fabric and product made thereby |
| US4421812A (en) * | 1981-05-04 | 1983-12-20 | Scott Paper Company | Method of making a bonded corrugated nonwoven fabric and product made thereby |
| US4414597A (en) * | 1981-09-14 | 1983-11-08 | Chicopee | Floppy disc liner |
| US4476078A (en) * | 1982-05-04 | 1984-10-09 | James River-Dixie/Northern, Inc. | Process for manufacturing embossed nonwoven fibrous products |
| NZ205684A (en) * | 1982-09-30 | 1987-02-20 | Chicopee | Non-woven fabric containing conjugate fibres:pattern densified without fusing the fibres |
| US4493868A (en) * | 1982-12-14 | 1985-01-15 | Kimberly-Clark Corporation | High bulk bonding pattern and method |
| US5135804A (en) * | 1983-02-18 | 1992-08-04 | Allied-Signal Inc. | Network of polyethylene fibers |
| US4566154A (en) * | 1983-08-02 | 1986-01-28 | Scott Paper Company | Nonwoven web spreader |
| SE458418B (sv) * | 1984-07-16 | 1989-04-03 | Moelnlycke Ab | Absorptionskropp med kontinuerlig densitetsgradient samt saett foer dess framstaellning |
| US4568581A (en) * | 1984-09-12 | 1986-02-04 | Collins & Aikman Corporation | Molded three dimensional fibrous surfaced article and method of producing same |
| US4778460A (en) * | 1985-10-07 | 1988-10-18 | Kimberly-Clark Corporation | Multilayer nonwoven fabric |
| US4668566A (en) * | 1985-10-07 | 1987-05-26 | Kimberly-Clark Corporation | Multilayer nonwoven fabric made with poly-propylene and polyethylene |
| US4749423A (en) * | 1986-05-14 | 1988-06-07 | Scott Paper Company | Method of making a bonded nonwoven web |
| US4781962A (en) * | 1986-09-09 | 1988-11-01 | Kimberly-Clark Corporation | Composite cover material for absorbent articles and the like |
| US4987024A (en) * | 1986-09-11 | 1991-01-22 | International Paper Company | Battery separator fabric and related method of manufacture |
| US5075990A (en) * | 1986-09-11 | 1991-12-31 | International Paper Company | Battery separator fabric method for manufacturing |
| US5611879A (en) * | 1987-12-18 | 1997-03-18 | Kimberly-Clark Corporation | Absorbent article having an absorbent with a variable density in the Z direction and a method of forming said article |
| JP2547238B2 (ja) * | 1988-03-29 | 1996-10-23 | 株式会社日本触媒 | 繊維強化樹脂成形材料の製造方法 |
| US4892769A (en) * | 1988-04-29 | 1990-01-09 | Weyerhaeuser Company | Fire resistant thermoplastic material containing absorbent article |
| US4900377A (en) * | 1988-04-29 | 1990-02-13 | Weyerhaeuser Company | Method of making a limited life pad |
| US4885200A (en) * | 1988-04-29 | 1989-12-05 | Weyerhaeuser Company | Infant car seat liner |
| US4886697A (en) * | 1988-04-29 | 1989-12-12 | Weyerhaeuser Company | Thermoplastic material containing absorbent pad or other article |
| US4882213A (en) * | 1988-04-29 | 1989-11-21 | Weyerhaeuser Company | Absorbent article with tear line guide |
| US4961930A (en) * | 1988-04-29 | 1990-10-09 | Weyerhaeuser Company | Pet pad of thermoplastic containing materials with insecticide |
| US4891454A (en) * | 1988-04-29 | 1990-01-02 | Weyerhaeuser Company | Infant car seat liner |
| US5626820A (en) * | 1988-12-12 | 1997-05-06 | Kinkead; Devon A. | Clean room air filtering |
| US5582865A (en) * | 1988-12-12 | 1996-12-10 | Extraction Systems, Inc. | Non-woven filter composite |
| US5199141A (en) * | 1990-01-10 | 1993-04-06 | Gates Formed-Fibre Products, Inc. | Method of producing a nonwoven fibrous textured panel and panel produced thereby |
| US5077874A (en) * | 1990-01-10 | 1992-01-07 | Gates Formed-Fibre Products, Inc. | Method of producing a nonwoven dibrous textured panel and panel produced thereby |
| EP0559969B1 (fr) * | 1992-03-06 | 1996-05-15 | Sommer S.A. | Produit textile gaufre, procédé de préparation de celui-ci et dispositifs à cet effet |
| US5470424A (en) * | 1993-11-30 | 1995-11-28 | Kimberly-Clark Corporation | Process for forming liquid impermeable sheet material having a fibrous surface and products formed thereby |
| US5607647A (en) * | 1993-12-02 | 1997-03-04 | Extraction Systems, Inc. | Air filtering within clean environments |
| WO1995019828A1 (en) * | 1994-01-25 | 1995-07-27 | Extraction Systems, Inc. | Air filtering |
| DE19527057C2 (de) * | 1995-07-25 | 2002-06-27 | Reifenhaeuser Masch | Verfahren zur thermomechanischen Behandlung einer Vliesbahn aus thermoplastischem Kunststoff und Anlagen für die Durchführung des Verfahrens |
| WO1997021865A1 (en) * | 1995-12-15 | 1997-06-19 | The Dexter Corporation | Abrasive nonwoven web and method of manufacture |
| US5951795A (en) * | 1997-06-19 | 1999-09-14 | Forintek Canada Corp. | Method of making a smooth surfaced mat of bonded wood fines used in panel manufacture |
| KR100623837B1 (ko) * | 2000-05-25 | 2006-09-12 | 에스케이케미칼주식회사 | 고밀도 열융착 견면의 제조방법 및 장치 |
| US20020119720A1 (en) * | 2000-10-13 | 2002-08-29 | Arora Kelyn Anne | Abrasion resistant, soft nonwoven |
| US6589267B1 (en) * | 2000-11-10 | 2003-07-08 | Vasomedical, Inc. | High efficiency external counterpulsation apparatus and method for controlling same |
| JP2004515664A (ja) * | 2000-12-11 | 2004-05-27 | ダウ グローバル テクノロジーズ インコーポレイティド | 熱接着布およびその製造方法 |
| DE10156734A1 (de) * | 2001-11-19 | 2003-05-28 | Truetzschler Gmbh & Co Kg | Vorrichtung zum Verfestigen eines förderbaren Faservlieses |
| US7547469B2 (en) | 2002-12-03 | 2009-06-16 | Velcro Industries B.V. | Forming loop materials |
| US20050217092A1 (en) * | 2002-12-03 | 2005-10-06 | Barker James R | Anchoring loops of fibers needled into a carrier sheet |
| ITSV20020063A1 (it) * | 2002-12-30 | 2004-06-30 | Compass Sa | Pannello sagomato in materiale termoplastico, lastra intermedia per la fabbricazione di detto pannello e procedimento per la fabbricazione del detto pannello e della detta lastra intermedia |
| ES2300532T5 (es) * | 2003-10-17 | 2013-08-23 | Reifenhäuser GmbH & Co. KG Maschinenfabrik | Laminado de fibras y procedimiento para la producción de un laminado de fibras |
| US20060128247A1 (en) * | 2004-12-14 | 2006-06-15 | Kimberly-Clark Worldwide, Inc. | Embossed nonwoven fabric |
| US20080113152A1 (en) * | 2006-11-14 | 2008-05-15 | Velcro Industries B.V. | Loop Materials |
| US7914723B2 (en) * | 2007-04-24 | 2011-03-29 | Ahlstrom Corporation | Nonwoven bonding patterns producing fabrics with improved abrasion resistance and softness |
| WO2008154303A1 (en) * | 2007-06-07 | 2008-12-18 | Velcro Industries B.V. | Needling loops into carrier sheets |
| WO2008154300A1 (en) * | 2007-06-07 | 2008-12-18 | Velcro Industries B.V. | Anchoring loops of fibers needled into a carrier sheet |
| WO2009110882A1 (en) * | 2008-03-01 | 2009-09-11 | Hewlett-Packard Development Company, L.P. | Imparting pattern into material using embossing roller |
| CA2803382C (en) | 2010-07-02 | 2015-03-31 | The Procter & Gamble Company | Method for delivering an active agent |
| US20180163325A1 (en) | 2016-12-09 | 2018-06-14 | Robert Wayne Glenn, Jr. | Dissolvable fibrous web structure article comprising active agents |
| RU2640933C1 (ru) | 2010-07-02 | 2018-01-12 | Дзе Проктер Энд Гэмбл Компани | Филаменты, содержащие пригодные для перорального введения активные компоненты, нетканые полотна и способы их изготовления |
| CA2803636C (en) | 2010-07-02 | 2017-05-16 | The Procter & Gamble Company | Detergent product and method for making same |
| RU2541949C2 (ru) | 2010-07-02 | 2015-02-20 | Дзе Проктер Энд Гэмбл Компани | Филаменты, содержащие активный агент, нетканые полотна и способы их получения |
| HUE030120T2 (en) * | 2010-07-02 | 2017-04-28 | Procter & Gamble | Procedure for forming a film from a non-woven web |
| WO2012022626A1 (de) | 2010-08-17 | 2012-02-23 | Mehler Texnologies Gmbh | Verbundwerkstoff mit beschichtungsmaterial |
| WO2013028251A1 (en) | 2011-08-25 | 2013-02-28 | Velcro Industries B.V | Hook-engageable loop fasteners and related systems and methods |
| US9119443B2 (en) | 2011-08-25 | 2015-09-01 | Velcro Industries B.V. | Loop-engageable fasteners and related systems and methods |
| TWI675947B (zh) * | 2015-06-30 | 2019-11-01 | 日商可樂麗股份有限公司 | 不織布及其之製造方法 |
| WO2018140675A1 (en) | 2017-01-27 | 2018-08-02 | The Procter & Gamble Company | Compositions in the form of dissolvable solid structures comprising effervescent agglomerated particles |
| JP6923673B2 (ja) | 2017-05-16 | 2021-08-25 | ザ プロクター アンド ギャンブル カンパニーＴｈｅ Ｐｒｏｃｔｅｒ ＆ Ｇａｍｂｌｅ Ｃｏｍｐａｎｙ | 溶解性固形構造体の形態のコンディショニングヘアケア組成物 |
| JP7110356B2 (ja) | 2018-01-26 | 2022-08-01 | ザ プロクター アンド ギャンブル カンパニー | 香料を含む水溶性単位用量物品 |
| CN111492047A (zh) | 2018-01-26 | 2020-08-04 | 宝洁公司 | 水溶性制品以及相关方法 |
| US11053466B2 (en) | 2018-01-26 | 2021-07-06 | The Procter & Gamble Company | Water-soluble unit dose articles comprising perfume |
| KR20200086739A (ko) | 2018-01-26 | 2020-07-17 | 더 프록터 앤드 갬블 캄파니 | 효소를 포함하는 수용성 단위 용량 물품 |
| WO2019168829A1 (en) | 2018-02-27 | 2019-09-06 | The Procter & Gamble Company | A consumer product comprising a flat package containing unit dose articles |
| US10982176B2 (en) | 2018-07-27 | 2021-04-20 | The Procter & Gamble Company | Process of laundering fabrics using a water-soluble unit dose article |
| US11666514B2 (en) | 2018-09-21 | 2023-06-06 | The Procter & Gamble Company | Fibrous structures containing polymer matrix particles with perfume ingredients |
| US12234431B2 (en) | 2018-10-03 | 2025-02-25 | The Procter & Gamble Company | Water-soluble unit dose articles comprising water-soluble fibrous structures and particles |
| US11859338B2 (en) | 2019-01-28 | 2024-01-02 | The Procter & Gamble Company | Recyclable, renewable, or biodegradable package |
| US12031254B2 (en) | 2019-03-19 | 2024-07-09 | The Procter & Gamble Company | Process of reducing malodors on fabrics |
| EP3712237A1 (en) | 2019-03-19 | 2020-09-23 | The Procter & Gamble Company | Fibrous water-soluble unit dose articles comprising water-soluble fibrous structures |
| JP7381613B2 (ja) | 2019-06-28 | 2023-11-15 | ザ プロクター アンド ギャンブル カンパニー | アニオン性界面活性剤を含有する溶解性固体繊維性物品 |
| EP4188554A1 (en) | 2020-07-31 | 2023-06-07 | The Procter & Gamble Company | Water-soluble fibrous pouch containing prills for hair care |
| KR20230041748A (ko) | 2020-08-19 | 2023-03-24 | 더 프록터 앤드 갬블 캄파니 | 직접-첨가된 마이크로캡슐을 포함하는 가요성 다공성 용해성 고체 시트 물품 및 이의 제조 방법 |
| WO2023034763A1 (en) | 2021-08-30 | 2023-03-09 | The Procter & Gamble Company | Dissolvable solid structure comprising first and second polymeric structurants |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3261899A (en) * | 1962-11-27 | 1966-07-19 | Celanese Corp | Dry process for making synthetic fiber paper |
| US3442740A (en) * | 1965-04-12 | 1969-05-06 | Du Pont | Process for producing a bonded non-woven sheet |
| GB1437601A (en) * | 1967-11-10 | 1976-06-03 | Ici Ltd | Non-woven fabrics and a process for making them |
| US3660555A (en) * | 1969-03-06 | 1972-05-02 | Phillips Petroleum Co | Method of bonding nonwoven textile fabrics |
| US3542634A (en) * | 1969-06-17 | 1970-11-24 | Kendall & Co | Apertured,bonded,and differentially embossed non-woven fabrics |
| CA948388A (en) * | 1970-02-27 | 1974-06-04 | Paul B. Hansen | Pattern bonded continuous filament web |
| US3772107A (en) * | 1971-11-03 | 1973-11-13 | A Gentile | Method and apparatus for forming a nonwoven fibrous web |
| US4128679A (en) * | 1971-11-17 | 1978-12-05 | Firma Carl Freudenberg | Soft, non-woven fabrics and process for their manufacture |
| US4005169A (en) * | 1974-04-26 | 1977-01-25 | Imperial Chemical Industries Limited | Non-woven fabrics |
| US4042655A (en) * | 1975-09-05 | 1977-08-16 | Phillips Petroleum Company | Method for the production of a nonwoven fabric |
-
1980
- 1980-06-20 US US06/161,270 patent/US4315965A/en not_active Ceased
-
1981
- 1981-06-16 DE DE19813123912 patent/DE3123912A1/de not_active Withdrawn
- 1981-06-18 IT IT6784681A patent/IT1144248B/it active
- 1981-06-18 SE SE8103834A patent/SE449377B/sv not_active IP Right Cessation
- 1981-06-19 BE BE0/205163A patent/BE889315A/fr not_active IP Right Cessation
- 1981-06-19 LU LU83444A patent/LU83444A1/fr unknown
- 1981-06-19 FR FR8112138A patent/FR2485051A1/fr active Granted
- 1981-06-19 GB GB8119031A patent/GB2078271B/en not_active Expired
- 1981-06-19 DK DK269981A patent/DK158917C/da not_active IP Right Cessation
- 1981-06-22 NL NL8102991A patent/NL8102991A/nl not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2485051B1 (da) | 1984-06-15 |
| GB2078271A (en) | 1982-01-06 |
| US4315965A (en) | 1982-02-16 |
| GB2078271B (en) | 1984-03-28 |
| NL8102991A (nl) | 1982-01-18 |
| BE889315A (fr) | 1981-10-16 |
| SE449377B (sv) | 1987-04-27 |
| DK269981A (da) | 1981-12-21 |
| FR2485051A1 (fr) | 1981-12-24 |
| IT8167846A0 (it) | 1981-06-18 |
| DK158917B (da) | 1990-07-30 |
| DK158917C (da) | 1991-01-21 |
| DE3123912A1 (de) | 1982-05-13 |
| SE8103834L (sv) | 1981-12-21 |
| IT1144248B (it) | 1986-10-29 |
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