FI68392B - Foerfarande och anordning foer framstaellning av mineralullsfibrer speciellt stenullsfibrer - Google Patents
Foerfarande och anordning foer framstaellning av mineralullsfibrer speciellt stenullsfibrer Download PDFInfo
- Publication number
- FI68392B FI68392B FI811267A FI811267A FI68392B FI 68392 B FI68392 B FI 68392B FI 811267 A FI811267 A FI 811267A FI 811267 A FI811267 A FI 811267A FI 68392 B FI68392 B FI 68392B
- Authority
- FI
- Finland
- Prior art keywords
- nozzle
- melt
- pressure
- divergent
- blowing
- Prior art date
Links
- 239000000155 melt Substances 0.000 claims description 44
- 239000000835 fiber Substances 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 28
- 238000007664 blowing Methods 0.000 claims description 21
- 230000008569 process Effects 0.000 claims description 13
- 239000011490 mineral wool Substances 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 7
- 239000004604 Blowing Agent Substances 0.000 description 31
- 239000003570 air Substances 0.000 description 18
- 239000007789 gas Substances 0.000 description 13
- 229910052500 inorganic mineral Inorganic materials 0.000 description 6
- 239000011707 mineral Substances 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 5
- 210000002445 nipple Anatomy 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 239000011324 bead Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 210000002268 wool Anatomy 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000002557 mineral fiber Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012681 fiber drawing Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000007704 transition Effects 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
- D04H1/42—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 characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4209—Inorganic fibres
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/06—Manufacture of glass fibres or filaments by blasting or blowing molten glass, e.g. for making staple fibres
-
- 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
- D04H1/42—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 characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4209—Inorganic fibres
- D04H1/4218—Glass fibres
- D04H1/4226—Glass fibres characterised by the apparatus for manufacturing the glass fleece
-
- 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
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
-
- 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
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
- D04H1/732—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by fluid current, e.g. air-lay
-
- 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
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
- D04H1/736—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged characterised by the apparatus for arranging fibres
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Inorganic Fibers (AREA)
- Nonwoven Fabrics (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Claims (11)
1. Förfarande för framställning av mineralullsfibrer, speciellt stenullsfibrer, enligt munstycksbläsförfarandet, 5 vid vilket fran ätminstone en öppning i bottnen av en smält-degel (4) utkommer ätminstone en smältström (1), vilken de-fibreras i ett konvergerande och divergerande dragmunstycke medelst ett väsentligen parallellt med smältströmmen ström-mande bläsmedium, varvid bläsmediet genom ett mellan raunio stycksinloppet (8) och -utloppet alstrat tryckfall insugs i munstycket och strömningshastigheten reduceras i en efter munstycket kopplad diffusör (12), kännetecknat därav, att a) i inloppet (8) av dragmunstycket alstras sädant tryckfall, 15 att smältströmmen delar sig i ätminstone 30 enkelträdar, b) i den divergerande delen (9) av dragmunstycket räder ett minimalt, utlösningen av tryckslag förhindrande tryckfall för stelning av fibrerna över en tillräcklig längd utan änd-ring av det laminära gränsskiktet, och 20 c) den därpä följande tryckomsättningen ästadkommes först med stöt vid konstant tvärsnitt hos dragmunstycket och där-efter pä i och för sig känt sätt i underljuddiffusören (12).
2. Förfarande enligt patentkravet 1, kännetecknat därav, att tryckfallet päverkas medelst i änden av 25 den divergerande delen (9) inströmmande drivsträlar.
3. Förfarande enligt patentkravet 2, kännetecknat därav, att blandandet av drivsträlarna med bläsmediet sker vid konstant tryck.
4. Förfarande enligt nägot av patentkraven 1...3, 30 kännetecknat därav, att smältutströmningsöpp-ningarna (3) befinner sig pä ett sädant avständ frän dragmunstycket, vid vilket räder ett tryck av 0,92...0,98 x de-gelns (4) omgivningstryck.
5. Förfarande enligt nägot av patentkraven 1...4, 35 kännetecknat därav, att förhällandet för trycken vid änden av munstyckets divergerande del (9) och i degelns 19 68392 omgivning utgör 0,2— 0,4, företrädesvis 0,3...0,35.
6. Förfarande enligt nägot av patentkraven 1...5, kännetecknat därav, att som bläsmedium används luft vid omgivningstemperatur och att tili smältströmmarna 5 vid utträdet frän degeln (4) mätäs varmgas.
7. Dragmunstycke för framställning av mineralullsfib-rer, speciellt stenullsfibrer medelst munstycksbläsförfa-randet enligt patentkravet 1, vid vilket frän ätminstone en öppning i bottnen av en smältdegel (4) utkommer ätminstone 10 en smältström (1), vilken defibreras i ett konvergerande och divergerande dragmunstycke medelst ett väsentligen parallellt med smältströmmen strömmande bläsmedium, varvid bläsmediet genom ett mellan munstycksinloppet (8) och -utloppet alstrat tryckfall insugs i munstycket och strömningshastigheten re- 15 duceras i en efter munstycket kopplad diffusör (12), k ä n-netecknad därav, att a) konturen av munstycket i konvergerande delen (8) löper innanför tvä koncentriska radier av Π = 28 % och r2 = 50 %, företrädesvis r2 = 32 % av det smalaste tvärsnittet (7) i 20 munstycket, b) divergerande delen (9) av munstycket uppvisar en utvidg-ningsvinkel av 1,8°...2,2°, och c) under den divergerande delen (9) har anordnats ett omrä-de med konstant tvärsnitt (11), tili vilket en underljuddif- 25 fusör (12) ansluter sig.
8. Dragmunstycke enligt patentkravet 7, k ä n n e -tecknat av en mellan den divergerande delen (9) och delen (11) med konstant tvärsnitt anordnad blandningsträcka (13), i vilket drivsträlmunstycken (14) inmynnar.
9. Dragmunstycke enligt patentkraven 7 elelr 8, kän netecknat därav, att den divergerande delen (9) har en längd av 35...4C mm.
10. Dragmunstycke enligt patentkraven 7 eller 8, kännetecknat därav, att i den divergerande de-
35 Ien (9), i ätminstone ett pä tvären tili bläsmediets ström-ningsriktning stäende pian, anordnats medel för utsugning av det laminära gränsskiktet.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803016114 DE3016114A1 (de) | 1980-04-25 | 1980-04-25 | Verfahren und vorrichtung zur herstellung von mineralwollefasern |
| DE3016114 | 1980-04-25 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI811267L FI811267L (fi) | 1981-10-26 |
| FI68392B true FI68392B (fi) | 1985-05-31 |
| FI68392C FI68392C (fi) | 1985-09-10 |
Family
ID=6101004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI811267A FI68392C (fi) | 1980-04-25 | 1981-04-23 | Foerfarande och anordning foer framstaellning av mineralullsfibrer speciellt stenullsfibrer |
Country Status (13)
| Country | Link |
|---|---|
| US (2) | US4337074A (sv) |
| EP (1) | EP0038989B2 (sv) |
| JP (2) | JPS56169847A (sv) |
| AR (1) | AR225960A1 (sv) |
| AT (1) | ATE9681T1 (sv) |
| AU (1) | AU542736B2 (sv) |
| BR (1) | BR8102516A (sv) |
| DE (2) | DE3016114A1 (sv) |
| DK (1) | DK185381A (sv) |
| ES (1) | ES8202770A1 (sv) |
| FI (1) | FI68392C (sv) |
| NO (1) | NO152210C (sv) |
| ZA (2) | ZA812704B (sv) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3145011A1 (de) * | 1981-11-12 | 1983-05-19 | Rheinhold & Mahla Gmbh, 6800 Mannheim | Verfahren und vorrichtung zur herstellung von wollefasern |
| DE3305809A1 (de) * | 1983-02-19 | 1984-08-23 | Bayer Ag, 5090 Leverkusen | Verfahren und vorrichtung zur zerteilung von schmelzen |
| DE3305810A1 (de) * | 1983-02-19 | 1984-08-23 | Bayer Ag, 5090 Leverkusen | Duesenziehverfahren und ziehduese zur zerteilung von schmelzen |
| DE3309989A1 (de) * | 1983-03-19 | 1984-10-11 | Bayer Ag, 5090 Leverkusen | Verfahren und vorrichtung zur reduktion der geschwindigkeit von stroemenden medien |
| US4466819A (en) * | 1983-08-11 | 1984-08-21 | Owens-Corning Fiberglas Corporation | Method and apparatus for producing a continuous glass filament mat |
| US4631013A (en) * | 1984-02-29 | 1986-12-23 | General Electric Company | Apparatus for atomization of unstable melt streams |
| DE3509424A1 (de) * | 1985-03-15 | 1986-09-18 | Grünzweig + Hartmann und Glasfaser AG, 6700 Ludwigshafen | Einrichtung zur herstellung von mineralfasern aus silikatischen rohstoffen wie basalt, nach dem duesenblasverfahren |
| DE3515346A1 (de) * | 1985-04-27 | 1986-10-30 | Bayer Ag, 5090 Leverkusen | Vorrichtung zur herstellung von feinen mineralfasern |
| US4600423A (en) * | 1985-05-01 | 1986-07-15 | Owens-Corning Fiberglas Corporation | Method and apparatus for producing a continuous glass filament mat |
| DE3704692A1 (de) * | 1987-02-14 | 1988-08-25 | Bayer Ag | Verfahren und vorrichtung zur herstellung feinster mineralfasern, insbesondere glasfasern |
| DE3807420A1 (de) * | 1988-03-07 | 1989-09-21 | Gruenzweig & Hartmann | Einrichtung zur erzeugung von fasern, insbesondere mineralfasern, aus einer schmelze |
| DE3810596A1 (de) * | 1988-03-29 | 1989-10-12 | Bayer Ag | Feinstfasern aus polyphenylsulfid |
| US4909817A (en) * | 1989-02-06 | 1990-03-20 | Owens-Corning Fiberglas Corporation | Apparatus and method for the manufacture of loose fibrous mineral material |
| CA2032229C (fr) * | 1989-12-19 | 2001-10-16 | Paolo Baracchini | Matelas thermo-isolant en fibres minerales a orientation aleatoire |
| DE4011884A1 (de) * | 1990-04-12 | 1991-10-17 | Bayer Ag | Verfahren zur herstellung von dickstellenarmen mineralwollefasern |
| DE4236514C2 (de) † | 1992-10-26 | 1997-03-27 | Fischer Karl Ind Gmbh | Verfahren und Vorrichtung zur Förderung und Ablage von Scharen endloser Fäden mittels Luftkräften |
| DE19507643C1 (de) * | 1995-03-04 | 1996-07-25 | Rockwool Mineralwolle | Verfahren zum Unschädlichmachen von in einem Mineralwollevlies befindlichen heißen Einschlüssen und Vorrichtung zur Durchführung des Verfahrens |
| US5795517A (en) * | 1996-05-03 | 1998-08-18 | Owens-Corning Canada | Collection and deposition of chopped fibrous strands for formation into non-woven webs of bonded chopped fibers |
| DE19929709C2 (de) * | 1999-06-24 | 2001-07-12 | Lueder Gerking | Verfahren zur Herstellung von im Wesentlichen endlosen feinen Fäden und Verwendung der Vorrichtung zur Durchführung des Verfahrens |
| DE102005001078A1 (de) * | 2005-01-08 | 2006-07-20 | Schott Ag | Glaspulver, insbesondere biologisch aktives Glaspulver und Verfahren zur Herstellung von Glaspulver, insbesondere biologisch aktivem Glaspulver |
| CN103510164B (zh) * | 2013-09-26 | 2016-06-29 | 苏州大学 | 应用于制备纳米纤维的熔喷喷嘴部件及喷嘴装置 |
| WO2016093211A1 (ja) * | 2014-12-11 | 2016-06-16 | 日本電気硝子株式会社 | 創傷治療用ガラス組成物、創傷被覆材及びその製造方法 |
| CN110685068A (zh) * | 2019-09-03 | 2020-01-14 | 徐州久源纺织有限公司 | 一种节省空间的弹棉花设备 |
| CN112266164A (zh) * | 2020-09-29 | 2021-01-26 | 西安建筑科技大学 | 一种制备矿棉纤维的装置及方法 |
| CN115321810B (zh) * | 2022-08-19 | 2023-09-19 | 北京科技大学 | 一种玻璃光纤制备方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2224466A (en) * | 1938-05-24 | 1940-12-10 | Owens Corning Fiberglass Corp | Skirted blower |
| US2961698A (en) * | 1956-09-17 | 1960-11-29 | Johns Manville Fiber Glass Inc | Process and apparatus for producing fibrous mats |
| NL270569A (sv) * | 1960-10-24 | |||
| FR2085525B1 (sv) * | 1970-04-29 | 1975-01-10 | Saint Gobain Pont A Mousson | |
| US3773483A (en) * | 1970-05-06 | 1973-11-20 | Fiberglas Canada Ltd | Process for fibre drawing by fluid means |
| US4060355A (en) * | 1972-08-02 | 1977-11-29 | Firma Vki-Rheinhold & Mahla Ag | Device for the manufacture of fibers from fusible materials |
| US4001357A (en) * | 1972-08-02 | 1977-01-04 | Alfred Walz | Process for the manufacture of fibers from fusible materials |
| US3881903A (en) * | 1974-04-04 | 1975-05-06 | Owens Corning Fiberglass Corp | Apparatus for producing glass fibers |
-
1980
- 1980-04-25 DE DE19803016114 patent/DE3016114A1/de not_active Withdrawn
-
1981
- 1981-04-07 NO NO811193A patent/NO152210C/no unknown
- 1981-04-07 US US06/251,808 patent/US4337074A/en not_active Expired - Lifetime
- 1981-04-13 DE DE8181102814T patent/DE3166411D1/de not_active Expired
- 1981-04-13 AT AT81102814T patent/ATE9681T1/de not_active IP Right Cessation
- 1981-04-13 EP EP81102814A patent/EP0038989B2/de not_active Expired - Lifetime
- 1981-04-13 AU AU69454/81A patent/AU542736B2/en not_active Ceased
- 1981-04-20 JP JP5865581A patent/JPS56169847A/ja active Pending
- 1981-04-21 JP JP5932681A patent/JPS56164029A/ja active Pending
- 1981-04-23 FI FI811267A patent/FI68392C/fi not_active IP Right Cessation
- 1981-04-24 ZA ZA00812704A patent/ZA812704B/xx unknown
- 1981-04-24 ZA ZA00812705A patent/ZA812705B/xx unknown
- 1981-04-24 DK DK185381A patent/DK185381A/da not_active Application Discontinuation
- 1981-04-24 ES ES501637A patent/ES8202770A1/es not_active Expired
- 1981-04-24 AR AR285078A patent/AR225960A1/es active
- 1981-04-24 BR BR8102516A patent/BR8102516A/pt unknown
-
1982
- 1982-03-15 US US06/358,403 patent/US4419117A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| ZA812704B (en) | 1982-04-28 |
| AR225960A1 (es) | 1982-05-14 |
| JPS56169847A (en) | 1981-12-26 |
| DK185381A (da) | 1981-10-26 |
| DE3166411D1 (en) | 1984-11-08 |
| JPS56164029A (en) | 1981-12-16 |
| NO152210B (no) | 1985-05-13 |
| BR8102516A (pt) | 1982-01-05 |
| DE3016114A1 (de) | 1981-10-29 |
| ES501637A0 (es) | 1982-02-01 |
| FI68392C (fi) | 1985-09-10 |
| AU542736B2 (en) | 1985-03-07 |
| US4337074A (en) | 1982-06-29 |
| EP0038989B1 (de) | 1984-10-03 |
| ES8202770A1 (es) | 1982-02-01 |
| FI811267L (fi) | 1981-10-26 |
| NO811193L (no) | 1981-10-26 |
| EP0038989A1 (de) | 1981-11-04 |
| NO152210C (no) | 1985-08-28 |
| EP0038989B2 (de) | 1990-07-04 |
| ATE9681T1 (de) | 1984-10-15 |
| AU6945481A (en) | 1981-10-29 |
| ZA812705B (en) | 1982-04-28 |
| US4419117A (en) | 1983-12-06 |
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| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: BAYER AKTIENGESELLSCHAFT |