NO831685L - PROCEDURE FOR MANUFACTURING A COATED TEXTILE AREA. - Google Patents
PROCEDURE FOR MANUFACTURING A COATED TEXTILE AREA.Info
- Publication number
- NO831685L NO831685L NO831685A NO831685A NO831685L NO 831685 L NO831685 L NO 831685L NO 831685 A NO831685 A NO 831685A NO 831685 A NO831685 A NO 831685A NO 831685 L NO831685 L NO 831685L
- Authority
- NO
- Norway
- Prior art keywords
- coating
- filament yarn
- yarn
- coated
- base material
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 16
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 239000004753 textile Substances 0.000 title claims description 7
- 238000000576 coating method Methods 0.000 claims description 46
- 239000011248 coating agent Substances 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 11
- 239000000155 melt Substances 0.000 claims description 7
- -1 polyethylene terephthalate Polymers 0.000 claims description 6
- 238000011282 treatment Methods 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 5
- 238000002203 pretreatment Methods 0.000 claims description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 4
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 4
- 239000002759 woven fabric Substances 0.000 claims description 3
- 238000010894 electron beam technology Methods 0.000 claims description 2
- 238000007765 extrusion coating Methods 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- 238000004132 cross linking Methods 0.000 claims 2
- 239000000571 coke Substances 0.000 claims 1
- 210000004243 sweat Anatomy 0.000 claims 1
- 239000004744 fabric Substances 0.000 description 8
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 238000007598 dipping method Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 229920002994 synthetic fiber Polymers 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000037452 priming Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 239000004709 Chlorinated polyethylene Substances 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 229920001944 Plastisol Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000002318 adhesion promoter Substances 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000010409 ironing Methods 0.000 description 1
- 239000004999 plastisol Substances 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Decoration Of Textiles (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Description
Foreliggende oppfinnelse angår en fremgangsmåte for fremstilling av et belagt tekstilflateelement, spesielt vevet eller strikket vare, hvorved belegningsgrunnvaren er fremstilt under i det minste delvis anvendelse av blåsedyse-ekstruderte syntetiske filamentgarn. The present invention relates to a method for the production of a coated textile surface element, in particular woven or knitted goods, whereby the coating base material is produced using, at least in part, blow nozzle-extruded synthetic filament yarns.
Under "belegning" menes helt generelt påføring av et kunststoff på tekstilflateelement, også kalt belegningsgrunnvaren eller bærerbanen, hvorved disse f.eks. kan foreligge By "coating" is generally meant the application of a synthetic material to a textile surface element, also called the coating base material or the carrier web, whereby these e.g. may exist
i form av vevnad, strikket vare, fiberflor, spinnflor ellerin the form of woven fabric, knitted goods, fiber pile, spun pile or
i sjeldnere grad - trådlegg. Spesielt forstår man under "belegning" påføring av et kunststoff på en bélegningsgrunn-vare av høyfast kjemifibre i den hensikt å fremstille et komposittmateriale som tilfredsstiller krav til holdbarhet, fleksibilitet, overflatebeskaffenhet og farving, sammenlign f.eks. også LATTA "Coating Industrial Fabrics" i "Industrial Fabric Products Review/Buyers Guide", 1982, side 42 og følg-ende . to a lesser extent - wire laying. In particular, "coating" is understood as the application of a synthetic material to a coating base product of high-strength chemical fibers with the intention of producing a composite material that satisfies requirements for durability, flexibility, surface quality and colouring, compare e.g. also LATTA "Coating Industrial Fabrics" in "Industrial Fabric Products Review/Buyers Guide", 1982, page 42 et seq.
Den klassiske og i dag overveiende foretrukkede belegnings-metode for tekstilflateelementer er fordeling av en kunst-stoffpasta, - dispersjon eller -oppløsning ved hjelp av en rakel, den såkalte strykepåføring. Herved må tekstilflate-elementet, ved anvendelse av filamentgarn først i et separat trinn motta.et spesielt for- eller vedheftingsstrøk som vanligvis inneholder en vedheftingspromotor for å forbedre vedhefting mellom grunnvare og belegg og å lette sjiktopp-byggingen. Først da kan den egentlige belegning skje, even-tuelt i flere trinn, da fremgangsmåten kun tillater påføring av relativt små mengder sjikttykkelser pr. trinn. Nødvendig-heten med et spesielt forstrøkstrinn er maskinteknisk og energetisk krevende og fører til betydelige miljøbelastninger når man arbeider med dispergerte eller oppløste kunststoffer. The classic and today predominantly preferred coating method for textile surface elements is the distribution of a synthetic material paste, dispersion or solution using a squeegee, the so-called ironing application. Hereby, the textile surface element, when using filament yarn, must first in a separate step receive a special pre- or adhesion layer which usually contains an adhesion promoter to improve adhesion between base material and coating and to facilitate layer-top construction. Only then can the actual coating take place, possibly in several steps, as the method only allows the application of relatively small amounts of layer thicknesses per steps. The need for a special pre-coating step is mechanically and energetically demanding and leads to significant environmental impacts when working with dispersed or dissolved plastics.
I stedet for forstrøket kan bærerbanen også underkastes en impregnerings- eller dyppforbehandling som også forbedrer vedheftingen, før den underkastes belegningsprosesseh, f.eks. ved en en- eller tosidig påkasjering. av kunststoff-folier mellom varme kalandervalser. Også denne dyppforbehandlingen medførerbetydelige mangler, således trenges det et spesielt behandlingstrinn ved garnf rems ti 11 ingen, ved vevjiadf rem-stillingen eller som vevnadsutrustning, og dette represen-terer også en .ikke helt uvesentlig omgivelsesbelasthing. Instead of pre-coated, the carrier web can also be subjected to an impregnation or dipping pre-treatment which also improves adhesion, before it is subjected to a coating process, e.g. by a one- or two-sided application. of plastic foils between hot calender rolls. This dipping pre-treatment also entails significant defects, thus a special treatment step is needed at the yarn front ten 11 none, at the weaving frame position or as weaving equipment, and this also represents a not entirely insignificant environmental burden.
De såkalte smeltebelegninsmetoder der en kunststoffsmelte påføres på bærerbanen er i forhold til bestrykningsbeleg-ningsmetoden på basis av plastisoler, dispersjoner eller oppløsninger mere energibesparende og omgivelsesvennlige. Det skal henvises til artikkelen "Beschicten aus der Schmelze" av M. DOMINIK i ..tidsskriftet "KUNSTSTOFFE" 71, 1981 10, sidene 672 til 674. Med ekstruderings- og smeltevalsebelegning kan man i praksis oppnå belegninger med en hvilken som helst tykkelse, hvorfor da også disse metoder egner seg. spesielt for fremstilling av tunge kapeller o.l. Som en mangel ved disse belegningstyper må imidlertid nevnes at det ved de her vanligvis anvendte tykke vevnader må ha skjedd en energi- og maskinkrevende forbelegning eller en forutgående dyppbehandling før den på forhånd grunnede bærerbane kan belegges. The so-called melt coating methods where a plastic melt is applied to the carrier web are, compared to the coating coating method based on plastisols, dispersions or solutions, more energy-saving and environmentally friendly. Reference should be made to the article "Beschicten aus der Schmelze" by M. DOMINIK in the journal "KUNSTSTOFFE" 71, 1981 10, pages 672 to 674. With extrusion and melt roll coating, coatings of any thickness can be obtained in practice, why then these methods are also suitable. especially for the production of heavy chapels etc. As a shortcoming of these coating types, however, it must be mentioned that with the thick weaves usually used here, an energy- and machine-demanding pre-coating or a prior dip treatment must have taken place before the pre-primed carrier web can be coated.
I den senere tid er det også kjent belegningsmetoder der kunststoffer kryssbindes ved hjelp av stråling, f.eks. ved UV- eller, elektronstråling, se.her artikkelen av TRIPP/ In recent times, coating methods are also known in which plastics are cross-linked using radiation, e.g. in the case of UV or electron radiation, see here the article by TRIPP/
NABLO "ELECTRON PROCESSORS FOR COATED FABRIC MANUFACTURE" iNABLO "ELECTRON PROCESSORS FOR COATED FABRIC MANUFACTURE" i
"Journal of COATED FABRICS", vol. 8 (oktober 1978), sidene 144 til 158, eller et arbeid av HOLL i "Industrie-Lackier-betrieb" 9/19.80 henholdsvis 10/1980 , sidene 313 til 319 og 362 til 368. "Journal of COATED FABRICS", vol. 8 (October 1978), pages 144 to 158, or a work by HOLL in "Industrie-Lackier-betrieb" 9/19.80 and 10/1980 respectively, pages 313 to 319 and 362 to 368.
Også her må det, i det minste ved tunge varer, gjennomføres en forgrunning slik at de meget energetiske fordeler ved disse belegningsmetoder for det meste oppveies på grunn av forbehandlingen. Here too, at least for heavy goods, a priming must be carried out so that the very energetic advantages of these coating methods are mostly offset by the pre-treatment.
Manglene ved dyppgrunningen ble behandlet ovenfor. Til de likeledes forklarte mangler ved forstrøket kommer i tillegg at dette forstrøk reagerer vesentlig mere ømfintlig på små prosessparametersvingninger som ikke kan unngås i praksis enn det etterfølgende dekkstrøk, noe som gir seg utslag i store svingninger med henblikk på vedheftings- og rivefast-heten for den ferdig belagte vare. The shortcomings of the dip priming were dealt with above. In addition to the similarly explained shortcomings of the precoat, this precoat reacts significantly more sensitively to small process parameter fluctuations that cannot be avoided in practice than the subsequent cover coat, which results in large fluctuations with regard to the adhesion and tear resistance of the fully coated product.
Oppgave for foreliggende oppfinnelse er å avhjelpe de an-førte mangler, spesielt å stille til disposisjon en fremgangsmåte for fremstilling av et belagt tekstilflateelement der de kompliserte og delvis miljøbelastende forbehandlinger som forstrøk- eller dyppbehandling kan utelates og der for-delene ved de miljøvennlige smeltebelegningsmetoder og de energimessig spesielt gunstige strålekrusbindingsmetoder helt kommer til sin rett. The task of the present invention is to remedy the listed shortcomings, in particular to make available a method for the production of a coated textile surface element in which the complicated and partly environmentally burdensome pre-treatments such as precoating or dipping treatment can be omitted and in which the advantages of the environmentally friendly melt coating methods and the energy-wise, particularly favorable beam cone bonding methods completely come into their own.
For å løse denne oppgave foreslås det ifølge oppfinnelsen at de..blåsedyseteksturerte filamentgarn er luftdysekrusede slyngeblåsegarn med fritt utragende slynger og buer med forskjellig størrelse og at belegningsgrunnvaren, direkte, dvs. uten vedheftingsfremmende forbehandling, underkastes en belegningsbehandling som enten er en smeltebelegning eller en strålekrusbindingsbelegning. In order to solve this task, according to the invention, it is proposed that the... blow nozzle textured filament yarns are air nozzle crimped loop blown yarns with freely projecting loops and arcs of different sizes and that the coating base material, directly, i.e. without adhesion-promoting pretreatment, is subjected to a coating treatment which is either a melt coating or a jet crimp bonding coating .
Belegningsgrunnvaren er fortrinnsvis en vevnad eller en strikket vare fordi begge disse arter har en meget høy grad av rivefasthet. The coating base material is preferably a woven or knitted item because both of these types have a very high degree of tear resistance.
Fremstillingen av luftdysekrusede slyngeblåsegarn er kjent i tilstrekkelig grad. Et filamentgarn føres med et avgivel-sesoverskudd på f.eks. ca. 10 til 20% gjennom en med trykk-luftdrevet krusningsdyse der kapilarene i garnet først skilles fra hverandre og legger seg i slynger, sløyfer, buer o.l., hvoretter det igjen oppnås en viss trådsamling. Dé fritt utragende slynger, sløyfer, buer o.l. gir filamentgarnet et fibergarnlignende utseende. The production of air-jet crimped loop-blown yarns is sufficiently known. A filament yarn is fed with a disposal surplus of e.g. about. 10 to 20% through a compressed air-driven ripple nozzle where the capillaries in the yarn are first separated from each other and settle into loops, loops, bows etc., after which a certain thread assembly is again achieved. The freely projecting loops, bows, bows etc. gives the filament yarn a fiber yarn-like appearance.
En for fremstilling av de ifølge, oppfinnelsen anvendte slyngeblåsegarn egnet innretning er beskrevet i "Chemiefasern/ Textil-Industrie", oktober 19 75, sidene 9 29 til 9 30. A device suitable for the production of the loop blown yarns used according to the invention is described in "Chemiefasern/Textil-Industrie", October 1975, pages 9 29 to 9 30.
Filamentgarnene kan være spunnet av vanlige syntetiske poly-merer slik som polyamid 6 eller polyamid 66, polyakryknitril, polypropylen, aramid o.l. Fortrinnsvis består de av polyester, spesielt av polyetylentereftalat. The filament yarns can be spun from common synthetic polymers such as polyamide 6 or polyamide 66, polyacrylonitrile, polypropylene, aramid and the like. Preferably, they consist of polyester, in particular of polyethylene terephthalate.
Av smeltebelegningsmetodene blir ekstruderingsbelegning og smeltevålsebélegning foretrukket. Med disse lar det seg gjennomføre belegninger til også meget store tykkelser i et trinn. Of the melt coating methods, extrusion coating and melt roll coating are preferred. With these it is possible to carry out coatings to even very large thicknesses in one step.
Blant strålekrusbindingsbelegningsmetodene foretrekkes elektronstrålekrusbindingsbelegningen fordi den har et mini-malt energibehov og innvirker minst på belegningsgrunnvarene. Among the beam bonding coating methods, the electron beam bonding coating is preferred because it has a minimal energy requirement and has the least effect on the coating base materials.
Målet ifølge oppfinnelsen er å oppnå en spesielt god vedhefting mellom belegningsbærerbanen og belegget og dette lar seg nå på en spesielt god måte når grunnvaren som skal belegges oppviser mellom 25 og 500 fremragende slynger pr. cm<2>overflate som skal belegges. The aim according to the invention is to achieve a particularly good adhesion between the coating carrier web and the coating and this can be achieved in a particularly good way when the base material to be coated exhibits between 25 and 500 outstanding loops per cm<2>surface to be coated.
Dette lar seg spesielt oppnå ved at det blåsedyseteksturerte filamentgarn som skal anvendes oppviser mellom 20 og 80 fremragende slynger pr. løpende cm garn. Derved telles alle til-stedeværende slynger langs hele trådomfanget. This can be achieved in particular by the blowing nozzle textured filament yarn to be used showing between 20 and 80 outstanding skeins per running cm of yarn. Thereby, all loops present are counted along the entire length of the thread.
Kokekrympingen til filaméntgarnene i belegningsgrunnvaren, enten dette er glattgarn (f.eks. i varpet} eller slyngeblåsegarn (f.eks. i veften) utgjør høyst 0,7%, varmluftkrympingen høyst 2%. The boiling shrinkage of the filament yarns in the coating base material, whether this is smooth yarn (e.g. in the warp) or loop blown yarn (e.g. in the weft) amounts to no more than 0.7%, hot air shrinkage no more than 2%.
Et typisk slyngeblåsegarn for anvendelse ifølge oppfinnelsen har følgende egenskaper: A typical sling blowing yarn for use according to the invention has the following properties:
Bærerbanen kan kun være fremstilt av slyngeblåsegarn eller fremstilt med anvendelse av slikt hvorved andelen vanligvis utgjør minst 50%. The carrier web can only be made of loop-blown yarn or made with the use of such, whereby the proportion usually amounts to at least 50%.
Oppfinnelsen skal forklares nærmere ved hjelp av de følgende eksempler. The invention shall be explained in more detail by means of the following examples.
Eksempel 1.Example 1.
Av det ovenfor angitte polyetylentereftalatgarn ble det fremstilt en vevnad i toskaftbinding 1-1 med en trådtetthet på 8,5 tråder pr. cm i varp og veft. Vevnaden belegges med PVC med smeltevalsemetoden. Den på denne måte belagte vevnad oppviser følgende egenskaper: From the above-mentioned polyethylene terephthalate yarn, a weave was produced in two-shank binding 1-1 with a thread density of 8.5 threads per cm in warp and weft. The fabric is coated with PVC using the melt roll method. The fabric coated in this way exhibits the following properties:
Lineær fasthet:Linear Firmness:
Rivefasthet: Tear resistance:
Vedheftingsfasthet: Adhesion strength:
Eksempel 2. Example 2.
Garnet ifølge eksempel 1 blandes avvekslende i varp og veft med et uteksturert polyetylentereftalatgarn 1100 dtex f 210 (også dette garn oppviser en utvidelses- og krympeoppførsel som er spesielt gunstig for belegniingsprosessen og for sluttproduktegenskapenen på samme måte som det teksturerte garn) og forarbeides til en vevnad med toskaftbinding 1-1. Vevnaden belegges i henhold til smeltevalsemetoden med kloriert polyetylen. Den belagte.vevnad oppviser følgende egenskaper: The yarn according to example 1 is alternately mixed in warp and weft with an untextured polyethylene terephthalate yarn 1100 dtex f 210 (this yarn also exhibits an expansion and shrinkage behavior that is particularly favorable for the coating process and for the final product properties in the same way as the textured yarn) and processed into a woven fabric with two shaft binding 1-1. The fabric is coated according to the melt roll method with chlorinated polyethylene. The coated fabric exhibits the following properties:
Lineær fasthet:Linear Firmness:
Rivefasthet: Tear resistance:
Vedheftingsfasthet: Adhesion strength:
For mange fordel kan det være fordelaktig at det blåsedyseteksturerte filamentgarn oppviser fritt fremragende luft-fiberender. Dette kan man oppnå ved en oppruingsbehandling av slyngeblåsegarnet. For many advantages, it may be beneficial that the blow nozzle textured filament yarn exhibits free outstanding air fiber ends. This can be achieved by a roughening treatment of the loop blown yarn.
Claims (9)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3217735A DE3217735C2 (en) | 1982-05-12 | 1982-05-12 | Process for the production of a coated textile fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO831685L true NO831685L (en) | 1983-11-14 |
Family
ID=6163300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO831685A NO831685L (en) | 1982-05-12 | 1983-05-11 | PROCEDURE FOR MANUFACTURING A COATED TEXTILE AREA. |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0093900A3 (en) |
| DE (1) | DE3217735C2 (en) |
| DK (1) | DK207083A (en) |
| FI (1) | FI831444L (en) |
| IL (1) | IL68649A0 (en) |
| NO (1) | NO831685L (en) |
| ZA (1) | ZA833309B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4028637A1 (en) * | 1990-09-08 | 1992-03-12 | Akzo Gmbh | Vehicle air bag fabric - is partially coated to give air impermeable zones in pattern to cover cutting and stitching lines |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3007298A (en) * | 1955-05-31 | 1961-11-07 | British Cclanese Ltd | Method and apparatus for jet bulking of yarn |
| US3314847A (en) * | 1962-10-30 | 1967-04-18 | Du Pont | Textile |
| JPS553469B1 (en) * | 1968-02-10 | 1980-01-25 | ||
| DE2412028A1 (en) * | 1970-02-24 | 1975-09-18 | Schwarza Chemiefaser | Curable cellular moulding obtd. by expansion before irradiation - with ionising radiation of polymerisable or curable compsn. |
| DE2014564A1 (en) * | 1970-03-26 | 1971-10-14 | Frottierweberei Vossen GmbH, 4830 Gütersloh | Flexible foam-backed fabric |
| US4211806A (en) * | 1973-09-19 | 1980-07-08 | Milliken Research Corporation | Treated fabric structure |
| FR2352914A1 (en) * | 1976-05-28 | 1977-12-23 | Rhone Poulenc Textile | PVC-coated fabrics mfr. without adhesion promoter - using a substrate fabric contg. crimped fibres |
| DE8000256U1 (en) * | 1979-10-26 | 1982-01-07 | Norddeutsche Faserwerke GmbH, 2350 Neumünster | CLOTHING |
| DE2950620A1 (en) * | 1979-12-15 | 1981-06-19 | Akzo Gmbh, 5600 Wuppertal | Textured yarn fabric-leather composite shapes - for sports ball covers, and furniture covers |
-
1982
- 1982-05-12 DE DE3217735A patent/DE3217735C2/en not_active Expired
-
1983
- 1983-04-19 EP EP83103762A patent/EP0093900A3/en not_active Withdrawn
- 1983-04-27 FI FI831444A patent/FI831444L/en not_active Application Discontinuation
- 1983-05-09 ZA ZA833309A patent/ZA833309B/en unknown
- 1983-05-10 DK DK207083A patent/DK207083A/en not_active Application Discontinuation
- 1983-05-10 IL IL68649A patent/IL68649A0/en unknown
- 1983-05-11 NO NO831685A patent/NO831685L/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE3217735C2 (en) | 1985-01-17 |
| DK207083D0 (en) | 1983-05-10 |
| EP0093900A3 (en) | 1985-07-31 |
| FI831444A0 (en) | 1983-04-27 |
| FI831444L (en) | 1983-11-13 |
| DK207083A (en) | 1983-11-13 |
| IL68649A0 (en) | 1983-09-30 |
| DE3217735A1 (en) | 1983-11-24 |
| EP0093900A2 (en) | 1983-11-16 |
| ZA833309B (en) | 1984-02-29 |
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