SE449377B - Forfarande for framstellning av ett autogent bondat fiberflor - Google Patents
Forfarande for framstellning av ett autogent bondat fiberflorInfo
- Publication number
- SE449377B SE449377B SE8103834A SE8103834A SE449377B SE 449377 B SE449377 B SE 449377B SE 8103834 A SE8103834 A SE 8103834A SE 8103834 A SE8103834 A SE 8103834A SE 449377 B SE449377 B SE 449377B
- Authority
- SE
- Sweden
- Prior art keywords
- web
- bonding
- bonds
- temperature
- roll
- Prior art date
Links
- 239000000835 fiber Substances 0.000 title claims description 50
- 238000000034 method Methods 0.000 title claims description 21
- 238000004049 embossing Methods 0.000 claims description 30
- 239000000853 adhesive Substances 0.000 claims description 19
- 230000001070 adhesive effect Effects 0.000 claims description 19
- 229920001169 thermoplastic Polymers 0.000 claims description 16
- 239000004416 thermosoftening plastic Substances 0.000 claims description 16
- 238000002844 melting Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- 230000005855 radiation Effects 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims 2
- 230000001105 regulatory effect Effects 0.000 claims 2
- 230000027455 binding Effects 0.000 description 7
- 238000009739 binding Methods 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 7
- 230000003655 tactile properties Effects 0.000 description 7
- 239000004743 Polypropylene Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 5
- -1 polypropylene Polymers 0.000 description 5
- 229920001155 polypropylene Polymers 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 239000004745 nonwoven fabric Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000009960 carding Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000155 melt Substances 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
- 239000003208 petroleum Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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 (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE8103834L SE8103834L (sv) | 1981-12-21 |
| SE449377B true SE449377B (sv) | 1987-04-27 |
Family
ID=22580524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8103834A SE449377B (sv) | 1980-06-20 | 1981-06-18 | Forfarande for framstellning av ett autogent bondat fiberflor |
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 (81)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4421812A (en) * | 1981-05-04 | 1983-12-20 | Scott Paper Company | Method of making a bonded corrugated nonwoven fabric and product made thereby |
| US4422892A (en) * | 1981-05-04 | 1983-12-27 | 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 |
| US4886697A (en) * | 1988-04-29 | 1989-12-12 | Weyerhaeuser Company | Thermoplastic material containing absorbent pad or other article |
| US4891454A (en) * | 1988-04-29 | 1990-01-02 | Weyerhaeuser Company | Infant car seat liner |
| US4885200A (en) * | 1988-04-29 | 1989-12-05 | Weyerhaeuser Company | Infant car seat liner |
| US4961930A (en) * | 1988-04-29 | 1990-10-09 | Weyerhaeuser Company | Pet pad of thermoplastic containing materials with insecticide |
| US4882213A (en) * | 1988-04-29 | 1989-11-21 | Weyerhaeuser Company | Absorbent article with tear line guide |
| US4900377A (en) * | 1988-04-29 | 1990-02-13 | Weyerhaeuser Company | Method of making a limited life pad |
| US4892769A (en) * | 1988-04-29 | 1990-01-09 | Weyerhaeuser Company | Fire resistant thermoplastic material containing absorbent article |
| US5582865A (en) * | 1988-12-12 | 1996-12-10 | Extraction Systems, Inc. | Non-woven filter composite |
| US5626820A (en) * | 1988-12-12 | 1997-05-06 | Kinkead; Devon A. | Clean room air filtering |
| 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 |
| 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 |
| ES2088087T3 (es) * | 1992-03-06 | 1996-08-01 | Sommer Sa | Producto textil gofrado, procedimiento de preparacion de este y dispositivos para este fin. |
| 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 |
| JP3751025B2 (ja) * | 1995-12-15 | 2006-03-01 | ザ デクスター コーポレイション | 研摩性不織繊維ウェブ材料及びその製造方法 |
| 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 |
| HUP0400649A2 (en) * | 2000-12-11 | 2004-07-28 | Dow Global Technologies Inc | Thermally bonded fabrics and method of making same |
| DE10156734A1 (de) * | 2001-11-19 | 2003-05-28 | Truetzschler Gmbh & Co Kg | Vorrichtung zum Verfestigen eines förderbaren Faservlieses |
| US8753459B2 (en) * | 2002-12-03 | 2014-06-17 | Velcro Industries B.V. | Needling loops into carrier sheets |
| US20050217092A1 (en) * | 2002-12-03 | 2005-10-06 | Barker James R | Anchoring loops of fibers needled into a carrier sheet |
| US7547469B2 (en) | 2002-12-03 | 2009-06-16 | Velcro Industries B.V. | Forming loop materials |
| 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 |
| DK1524350T4 (da) * | 2003-10-17 | 2013-07-08 | Reifenhaeuser Gmbh & Co Kg | Fiberlaminat og fremgangsmåde til fremstilling af et fiberlaminat |
| 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 |
| 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 |
| US20180163325A1 (en) | 2016-12-09 | 2018-06-14 | Robert Wayne Glenn, Jr. | Dissolvable fibrous web structure article comprising active agents |
| CN103025929B (zh) | 2010-07-02 | 2015-11-25 | 宝洁公司 | 包含活性剂的长丝、非织造纤维网和制备它们的方法 |
| CN102959150B (zh) | 2010-07-02 | 2016-08-03 | 宝洁公司 | 包含可摄取活性剂的长丝、非织造纤维网及其制备方法 |
| WO2012003360A2 (en) | 2010-07-02 | 2012-01-05 | The Procter & Gamble Company | Detergent product and method for making same |
| MX337814B (es) * | 2010-07-02 | 2016-03-18 | Procter & Gamble | Procedidmiento para fabricar películas a partir de tramas de tela no tejida. |
| JP5759544B2 (ja) | 2010-07-02 | 2015-08-05 | ザ プロクター アンド ギャンブルカンパニー | 活性剤を送達する方法 |
| WO2012022626A1 (de) | 2010-08-17 | 2012-02-23 | Mehler Texnologies Gmbh | Verbundwerkstoff mit beschichtungsmaterial |
| US9119443B2 (en) | 2011-08-25 | 2015-09-01 | Velcro Industries B.V. | Loop-engageable fasteners and related systems and methods |
| US9078793B2 (en) | 2011-08-25 | 2015-07-14 | Velcro Industries B.V. | Hook-engageable loop fasteners and related systems and methods |
| JP6617148B2 (ja) * | 2015-06-30 | 2019-12-11 | 株式会社クラレ | 不織布およびその製造方法 |
| EP3573593B1 (en) | 2017-01-27 | 2023-08-30 | The Procter & Gamble Company | Compositions in the form of dissolvable solid structures |
| JP6882519B2 (ja) | 2017-01-27 | 2021-06-02 | ザ プロクター アンド ギャンブル カンパニーＴｈｅ Ｐｒｏｃｔｅｒ ＆ Ｇａｍｂｌｅ Ｃｏｍｐａｎｙ | 発泡性凝集粒子を含む溶解性固形構造体形態の組成物 |
| CN110650723A (zh) | 2017-05-16 | 2020-01-03 | 宝洁公司 | 可溶性固体结构形式的调理毛发护理组合物 |
| WO2019147533A1 (en) | 2018-01-26 | 2019-08-01 | The Procter & Gamble Company | Water-soluble unit dose articles comprising enzyme |
| CN111542590A (zh) | 2018-01-26 | 2020-08-14 | 宝洁公司 | 包含香料的水溶性单位剂量制品 |
| CN111492047A (zh) | 2018-01-26 | 2020-08-04 | 宝洁公司 | 水溶性制品以及相关方法 |
| WO2019147532A1 (en) | 2018-01-26 | 2019-08-01 | The Procter & Gamble Company | Water-soluble unit dose articles comprising perfume |
| 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 |
| WO2020159860A1 (en) | 2019-01-28 | 2020-08-06 | The Procter & Gamble Company | Recycleable, renewable, or biodegradable package |
| CN113544249A (zh) | 2019-03-19 | 2021-10-22 | 宝洁公司 | 减少织物上的恶臭的方法 |
| EP3712237A1 (en) | 2019-03-19 | 2020-09-23 | The Procter & Gamble Company | Fibrous water-soluble unit dose articles comprising water-soluble fibrous structures |
| BR112021023244A2 (pt) | 2019-06-28 | 2022-01-04 | Procter & Gamble | Artigos fibrosos sólidos dissolvíveis contendo tensoativos aniônicos |
| JP7506249B2 (ja) | 2020-07-31 | 2024-06-25 | ザ プロクター アンド ギャンブル カンパニー | ヘアケア用プリル含有水溶性繊維パウチ |
| CA3189776A1 (en) | 2020-08-19 | 2022-02-24 | The Procter & Gamble Company | Flexible, porous, dissolvable solid sheet article containing direct-added microcapsules and process for making same |
| EP4395730A1 (en) | 2021-08-30 | 2024-07-10 | The Procter & Gamble Company | Dissolvable solid structure comprising first and second polymeric structurants |
| MX2024005474A (es) | 2021-12-17 | 2024-05-22 | Procter & Gamble | Articulos de champu fibroso solido disoluble que contienen sales. |
| EP4489719A1 (en) | 2022-03-10 | 2025-01-15 | The Procter & Gamble Company | Dissolvable solid structure having first and second layers |
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 SE SE8103834A patent/SE449377B/sv not_active IP Right Cessation
- 1981-06-18 IT IT6784681A patent/IT1144248B/it active
- 1981-06-19 BE BE0/205163A patent/BE889315A/fr not_active IP Right Cessation
- 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
- 1981-06-19 LU LU83444A patent/LU83444A1/fr unknown
- 1981-06-22 NL NL8102991A patent/NL8102991A/nl not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| NL8102991A (nl) | 1982-01-18 |
| DK158917B (da) | 1990-07-30 |
| IT8167846A0 (it) | 1981-06-18 |
| FR2485051A1 (fr) | 1981-12-24 |
| US4315965A (en) | 1982-02-16 |
| IT1144248B (it) | 1986-10-29 |
| GB2078271B (en) | 1984-03-28 |
| DE3123912A1 (de) | 1982-05-13 |
| DK269981A (da) | 1981-12-21 |
| FR2485051B1 (da) | 1984-06-15 |
| DK158917C (da) | 1991-01-21 |
| SE8103834L (sv) | 1981-12-21 |
| BE889315A (fr) | 1981-10-16 |
| GB2078271A (en) | 1982-01-06 |
| LU83444A1 (fr) | 1981-10-29 |
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