FI113186B - Kokare för kontinuerlig kokning av fibermaterial - Google Patents
Kokare för kontinuerlig kokning av fibermaterial Download PDFInfo
- Publication number
- FI113186B FI113186B FI952387A FI952387A FI113186B FI 113186 B FI113186 B FI 113186B FI 952387 A FI952387 A FI 952387A FI 952387 A FI952387 A FI 952387A FI 113186 B FI113186 B FI 113186B
- Authority
- FI
- Finland
- Prior art keywords
- digester
- screen
- arrangement
- cooker
- cooking
- Prior art date
Links
- 238000010411 cooking Methods 0.000 title claims abstract description 29
- 239000002657 fibrous material Substances 0.000 title claims abstract description 7
- 238000003466 welding Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 2
- 238000012216 screening Methods 0.000 claims 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 16
- 238000004061 bleaching Methods 0.000 description 9
- 239000012530 fluid Substances 0.000 description 9
- 238000011010 flushing procedure Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000011122 softwood Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 239000011121 hardwood Substances 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 150000004045 organic chlorine compounds Chemical class 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- FMDUVJYVAXFKIH-QKWFRNNBSA-N 2-(diethylamino)-n-(2,6-dimethylphenyl)acetamide;4-[(1r)-1-hydroxy-2-(methylamino)ethyl]benzene-1,2-diol;hydrochloride Chemical compound Cl.CNC[C@H](O)C1=CC=C(O)C(O)=C1.CCN(CC)CC(=O)NC1=C(C)C=CC=C1C FMDUVJYVAXFKIH-QKWFRNNBSA-N 0.000 description 1
- 240000007124 Brassica oleracea Species 0.000 description 1
- 235000003899 Brassica oleracea var acephala Nutrition 0.000 description 1
- 235000011301 Brassica oleracea var capitata Nutrition 0.000 description 1
- 235000001169 Brassica oleracea var oleracea Nutrition 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000004900 laundering Methods 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004076 pulp bleaching Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/24—Continuous processes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C7/00—Digesters
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C7/00—Digesters
- D21C7/14—Means for circulating the lye
Landscapes
- Paper (AREA)
- Artificial Filaments (AREA)
- Multicomponent Fibers (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Cookers (AREA)
- General Preparation And Processing Of Foods (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Claims (7)
1. Kokare (1) för kontinuerlig kokning under förhöjt tryck och temperatur av fibermaterial, där införsel av fibermaterial och kokvätska sker vid kokarens 5 topp, avdragning av använd kokvätska göres frän ätminstone ett kokarsilsar-rangemang (ID) mellan toppen och bottnen av kokaren, och fibermaterialet utmatas frän kokarens botten (1C), och minst ett silarrangemang (2) i den nedre delen av kokaren, där ätminstone ett av silarrangemangen (ID, 2) har ätminstone ett silelement (2A), vars huvudkonfigurationen är cirkulär, kän-10 netecknad av, att det företrädesvis är monterat genom svetsning och är anordnat inne i kokarens vägg genom svetsning, varvid svetsfogarna (23) är placerade sä att välvning av massan undgäs varvid silelementet (2A) innefat-tar en silytesammanställning (14,16,17) som är stött av inätriktade kanter (21D) av en ihälig del (21) med en cirkulär yttre form, och där silsamman-15 ställningen (14,16,17) är svetsad pä plats inne i det ihäliga elementet (21).
2. Kokare enligt patentkrav 1, kännetecknad av, att kanterna (21D) är integrate med det ihäliga elementet (21).
3. Kokare enligt patentkrav 1, kännetecknad av, att det ihäliga elementet (21) är försett med en förseglingsplatta (21B), varigenom ett inlopps- och ett ! *]: utloppsrör sticker ut (22).
4. Kokare enligt patentkrav 1, kännetecknad av, att minst tvä svetsfogar v : 25 (23C), som i stort sett är vertikalt placerade, används.
• · :: 5. Kokare enligt patentkrav 1, kännetecknad av, att kokarsilsarrangemang- et (2) bestär av ett antal silelement (2A) utformade för att föra förträngd vätska ut tili ett centralrör (5B), som företrädesvis utmynnar omedelbart 30 ovanför silarrangemanget (2). tl· 14 113186
6. Kokare enligt patentkrav 5, kännetecknad av, ett ytterligare lägsta silar-rangemang (IB) och att avstlnden mellan den övre kanten av det lägsta ko-karsilsarrangemanget (IB) och den nedre kanten av det nästlägsta kokarsils-arrangemanget (2) är mindre än 5 m, företrädesvis mindre än 2 m och mest 5 föredraget mindre än 1 m.
7. Kokare enligt patentkrav 1, kännetecknad av, att ett antal silar är kopp-lade till ett backspolningssystem (7), där ett begränsat antal silar, företrädesvis fyra, kan backspolas inom ett bestämt tidsintervall, medan de äterstä- 10 ende silelementen (2A), företrädesvis 20, avdrager vätska frän kokaren (1). • · « « • It » · · • · • · • * • · t • · « • · • · t ♦ · · * · · • I · » » *
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9203462 | 1992-11-18 | ||
| SE9203462A SE500455C2 (sv) | 1992-11-18 | 1992-11-18 | Förfarande vid kontinuerlig kokning under förhöjt tryck och temperatur av fibermateral i en vertikal kokare |
| SE9300223 | 1993-03-16 | ||
| PCT/SE1993/000223 WO1994011564A1 (en) | 1992-11-18 | 1993-03-16 | Digester for continuous cooking of fibre material |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI952387L FI952387L (sv) | 1995-05-17 |
| FI952387A0 FI952387A0 (sv) | 1995-05-17 |
| FI113186B true FI113186B (sv) | 2004-03-15 |
Family
ID=20387855
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI952389A FI114718B (sv) | 1992-11-18 | 1995-05-17 | Förfarande för kontinuerlig kokning av massa |
| FI952387A FI113186B (sv) | 1992-11-18 | 1995-05-17 | Kokare för kontinuerlig kokning av fibermaterial |
| FI952388A FI115142B (sv) | 1992-11-18 | 1995-05-17 | Kokare för kontinuerlig kokning av fibermaterial |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI952389A FI114718B (sv) | 1992-11-18 | 1995-05-17 | Förfarande för kontinuerlig kokning av massa |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI952388A FI115142B (sv) | 1992-11-18 | 1995-05-17 | Kokare för kontinuerlig kokning av fibermaterial |
Country Status (18)
| Country | Link |
|---|---|
| US (4) | US5470437A (sv) |
| EP (3) | EP0669998B2 (sv) |
| JP (3) | JP3287848B2 (sv) |
| CN (1) | CN1036728C (sv) |
| AT (3) | ATE156538T1 (sv) |
| AU (3) | AU684759B2 (sv) |
| BR (3) | BR9307478A (sv) |
| CA (3) | CA2149535C (sv) |
| DE (4) | DE69312955T3 (sv) |
| ES (3) | ES2105269T5 (sv) |
| FI (3) | FI114718B (sv) |
| MA (1) | MA23034A1 (sv) |
| NO (3) | NO306479B1 (sv) |
| NZ (3) | NZ252758A (sv) |
| RU (3) | RU2121537C1 (sv) |
| SE (3) | SE500455C2 (sv) |
| WO (3) | WO1994011564A1 (sv) |
| ZA (3) | ZA937958B (sv) |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU671262B2 (en) * | 1991-11-19 | 1996-08-22 | Procter & Gamble Company, The | Absorbent article having a nonwoven and apertured film coversheet |
| SE500959C2 (sv) * | 1993-02-16 | 1994-10-10 | Kvaerner Pulping Tech | Silanordning i en kontinuerlig kokare |
| US5766413A (en) * | 1993-04-23 | 1998-06-16 | Kvaerner Pulping Ab | Process for isothermal cooking pulp in a continuous digester |
| SE502486C2 (sv) * | 1994-02-18 | 1995-10-30 | Kvaerner Pulping Tech | Förfarande och anordning av ventil för avdragning och backspolning av exv. kokarvätska vid cellulosakokare samt användning därav vid kokarsilar |
| BR9609160A (pt) * | 1995-06-29 | 1999-12-14 | Reijo K Salminen | Sistema de digestor contínuo, processo de digestão de aparas de madeiras |
| US5658428A (en) * | 1995-10-19 | 1997-08-19 | Kvaerner Pulping Technologies Ab | Method for impregnation in a single-vessel hydraulic digester |
| US5885414A (en) * | 1997-08-18 | 1999-03-23 | Kvaerner Pulping Ab | Method of producing pulp with high alkali cooking in the last cooking stage |
| US5985096A (en) * | 1997-09-23 | 1999-11-16 | Ahlstrom Machinery Inc. | Vertical pulping digester having substantially constant diameter |
| US6123808A (en) * | 1997-12-09 | 2000-09-26 | Ahlstrom Machinery Inc. | Distribution of dilution liquor to the discharge of a cellulose pulp digester |
| US20010032711A1 (en) * | 1998-10-26 | 2001-10-25 | C. Bertil Stromberg | Pulp cooking with particular alkali profiles |
| US20020069986A1 (en) * | 2000-06-16 | 2002-06-13 | Marcoccia Bruno S. | System and method for improved filtrate addition in a continuous digester |
| SE515971C2 (sv) * | 2000-11-03 | 2001-11-05 | Kvaerner Pulping Tech | Kontinuerlig kokning av massa med nettomedströmsflöde i kokarens bottenparti |
| SE515970C2 (sv) * | 2000-11-03 | 2001-11-05 | Kvaerner Pulping Tech | Kontinuerlig kokning av massa med avdrag av begagnad koklut dels från kokaren, dels från en efterföljande tryckdiffusör |
| CN1308545C (zh) * | 2003-08-26 | 2007-04-04 | 山东泉林纸业有限责任公司 | 一种纸浆立式蒸煮锅 |
| FI117477B (sv) * | 2004-05-28 | 2006-10-31 | Metso Paper Inc | Silanordning |
| US20050274468A1 (en) * | 2004-05-28 | 2005-12-15 | Metso Paper, Inc. | Central screen |
| US7736467B2 (en) * | 2004-06-29 | 2010-06-15 | Metso Paper Pori Oy | Screen assembly for a pulp digester |
| SE531067C2 (sv) * | 2005-09-15 | 2008-12-09 | Metso Fiber Karlstad Ab | Kontinuerlig kokare med vätskecirkulation |
| US7799173B2 (en) * | 2007-01-18 | 2010-09-21 | Andritz Inc. | Screen plates having diagonal slots with curved inlets for a digester |
| SE530744C2 (sv) * | 2007-02-23 | 2008-09-02 | Metso Fiber Karlstad Ab | Ångfaskokare samt ett förfarande vid kontinuerlig kokning |
| SE531717C2 (sv) * | 2007-11-30 | 2009-07-21 | Metso Fiber Karlstad Ab | Kokarsil för en kontinuerlig cellulosamassakokare |
| SE532930C2 (sv) * | 2008-03-20 | 2010-05-11 | Metso Fiber Karlstad Ab | Matningssystem innefattande parallella pumpar för en kontinuerlig kokare |
| US7867363B2 (en) * | 2008-08-27 | 2011-01-11 | Metso Fiber Karlstad Ab | Continuous digester system |
| SE533670C2 (sv) * | 2009-04-01 | 2010-11-30 | Metso Fiber Karlstad Ab | System och metod för reglering av en kontinuerlig ångfaskokare |
| US8951388B2 (en) * | 2011-04-08 | 2015-02-10 | Pec-Tech Engineering And Construction Pte Ltd | Method and system for efficient production of dissolving pulp in a kraft mill producing paper grade pulp with a continuous type digester |
| CA2860758C (en) | 2012-01-12 | 2019-04-02 | Valmet Ab | Profile bar screen for digester vessels |
| CN102619122A (zh) * | 2012-04-25 | 2012-08-01 | 湖南骏泰浆纸有限责任公司 | 立式连续蒸煮器上循环装置 |
| AU2013280241B2 (en) * | 2012-06-28 | 2016-02-11 | Shell Internationale Research Maatschappij B.V. | Digestion units configured for high yield biomass processing |
| US9115214B2 (en) | 2012-09-24 | 2015-08-25 | Abengoa Bioenergy New Technologies, Llc | Methods for controlling pretreatment of biomass |
| CN102978987A (zh) * | 2012-12-24 | 2013-03-20 | 江苏华机环保设备有限责任公司 | 一种立式蒸煮锅 |
| EP3129546A4 (en) * | 2014-04-07 | 2017-11-15 | Stora Enso Oyj | A method of digesting cellulose fibrous material in a continuous digester |
| SE538326C2 (sv) * | 2014-09-01 | 2016-05-17 | Valmet Oy | Profile bar screen for digester vessels |
| RU208723U1 (ru) * | 2021-09-14 | 2022-01-11 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный университет промышленных технологий и дизайна" | Вертикальный варочный котел |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE211196C1 (sv) * | ||||
| US2414062A (en) * | 1944-05-02 | 1947-01-07 | Kamyr Ab | Apparatus for heating and controlling the temperature in a continuously operating digester |
| US2852369A (en) * | 1954-09-17 | 1958-09-16 | Electric Steel Foundry | Digester strainer |
| US2998064A (en) * | 1957-12-11 | 1961-08-29 | Improved Machinery Inc | Strainer construction |
| SE325770B (sv) * | 1969-10-13 | 1970-07-06 | Kamyr Ab | |
| SE343344B (sv) * | 1970-06-29 | 1972-03-06 | Kamyr Ab | |
| US3755072A (en) † | 1970-10-23 | 1973-08-28 | Kamyr Ab | Strainer device for cellulose digester |
| US3700548A (en) * | 1971-04-28 | 1972-10-24 | Improved Machinery Inc | Apparatus and methods of continuous digesting |
| US3836463A (en) * | 1972-07-28 | 1974-09-17 | Gen Signal Corp | System and apparatus for cleaning bar grid |
| US4193839A (en) * | 1976-05-11 | 1980-03-18 | Kamyr, Inc. | Flow control method and apparatus for continuous wood chip digester screenless liquor extractor |
| US4436586A (en) * | 1982-01-22 | 1984-03-13 | Kamyr, Inc. | Method of producing kraft pulp using an acid prehydrolysis and pre-extraction |
| JPS609287A (ja) * | 1983-06-29 | 1985-01-18 | Fuji Photo Film Co Ltd | 映像記録装置のカツト制御装置 |
| CA2037717C (en) * | 1990-09-17 | 1996-03-05 | Bertil Stromberg | Extended kraft cooking with white liquor added to wash circulation |
| US5328564A (en) * | 1990-09-17 | 1994-07-12 | Kamyr, Inc. | Modified digestion of paper pulp followed by ozone bleaching |
| US5236554A (en) * | 1991-08-16 | 1993-08-17 | Kamyr, Inc. | Digester having plural screens with means for controlling liquid injection and withdrawal |
-
1992
- 1992-11-18 SE SE9203462A patent/SE500455C2/sv not_active IP Right Cessation
-
1993
- 1993-03-16 RU RU95112496A patent/RU2121537C1/ru active
- 1993-03-16 NZ NZ252758A patent/NZ252758A/en unknown
- 1993-03-16 DE DE69312955T patent/DE69312955T3/de not_active Expired - Fee Related
- 1993-03-16 AT AT93912023T patent/ATE156538T1/de not_active IP Right Cessation
- 1993-03-16 WO PCT/SE1993/000223 patent/WO1994011564A1/en active IP Right Grant
- 1993-03-16 ES ES93912023T patent/ES2105269T5/es not_active Expired - Lifetime
- 1993-03-16 AU AU63965/94A patent/AU684759B2/en not_active Ceased
- 1993-03-16 JP JP51196994A patent/JP3287848B2/ja not_active Expired - Fee Related
- 1993-03-16 BR BR9307478A patent/BR9307478A/pt not_active IP Right Cessation
- 1993-03-16 CA CA002149535A patent/CA2149535C/en not_active Expired - Fee Related
- 1993-03-16 EP EP93912023A patent/EP0669998B2/en not_active Expired - Lifetime
- 1993-04-08 DE DE69310929T patent/DE69310929T2/de not_active Expired - Fee Related
- 1993-04-08 WO PCT/SE1993/000311 patent/WO1994011565A1/en active IP Right Grant
- 1993-04-08 AT AT93910495T patent/ATE153398T1/de not_active IP Right Cessation
- 1993-04-08 RU RU95112494A patent/RU2113574C1/ru active
- 1993-04-08 NZ NZ252340A patent/NZ252340A/en not_active IP Right Cessation
- 1993-04-08 ES ES93910495T patent/ES2103082T3/es not_active Expired - Lifetime
- 1993-04-08 CA CA002149434A patent/CA2149434C/en not_active Expired - Fee Related
- 1993-04-08 JP JP51197094A patent/JP3287849B2/ja not_active Expired - Fee Related
- 1993-04-08 AU AU40966/93A patent/AU680194B2/en not_active Ceased
- 1993-04-08 BR BR9307479A patent/BR9307479A/pt not_active IP Right Cessation
- 1993-04-08 EP EP93910495A patent/EP0673452B1/en not_active Expired - Lifetime
- 1993-07-16 US US08/092,420 patent/US5470437A/en not_active Expired - Lifetime
- 1993-10-08 JP JP51197194A patent/JP3223285B2/ja not_active Expired - Lifetime
- 1993-10-08 ES ES93924847T patent/ES2077548T3/es not_active Expired - Lifetime
- 1993-10-08 WO PCT/SE1993/000816 patent/WO1994011566A1/en active IP Right Grant
- 1993-10-08 AT AT93924847T patent/ATE164400T1/de not_active IP Right Cessation
- 1993-10-08 DE DE69317670T patent/DE69317670T2/de not_active Expired - Fee Related
- 1993-10-08 BR BR9307480A patent/BR9307480A/pt not_active IP Right Cessation
- 1993-10-08 DE DE0673453T patent/DE673453T1/de active Pending
- 1993-10-08 CA CA002149423A patent/CA2149423C/en not_active Expired - Lifetime
- 1993-10-08 AU AU54355/94A patent/AU673392B2/en not_active Ceased
- 1993-10-08 NZ NZ257659A patent/NZ257659A/en not_active IP Right Cessation
- 1993-10-08 EP EP93924847A patent/EP0673453B1/en not_active Expired - Lifetime
- 1993-10-08 RU RU95112468A patent/RU2126470C1/ru active
- 1993-10-26 ZA ZA937958A patent/ZA937958B/xx unknown
- 1993-10-26 ZA ZA937959A patent/ZA937959B/xx unknown
- 1993-11-10 ZA ZA938390A patent/ZA938390B/xx unknown
- 1993-11-17 MA MA23340A patent/MA23034A1/fr unknown
- 1993-11-17 CN CN93121428A patent/CN1036728C/zh not_active Expired - Fee Related
-
1994
- 1994-07-08 SE SE9402411A patent/SE513746C2/sv not_active IP Right Cessation
- 1994-07-08 SE SE9402412A patent/SE9402412L/sv not_active Application Discontinuation
-
1995
- 1995-03-22 US US08/408,706 patent/US5591303A/en not_active Expired - Lifetime
- 1995-03-31 US US08/415,203 patent/US5567280A/en not_active Expired - Lifetime
- 1995-05-17 FI FI952389A patent/FI114718B/sv not_active IP Right Cessation
- 1995-05-17 FI FI952387A patent/FI113186B/sv active
- 1995-05-17 FI FI952388A patent/FI115142B/sv active IP Right Grant
- 1995-05-18 NO NO951974A patent/NO306479B1/no not_active IP Right Cessation
- 1995-05-18 NO NO951972A patent/NO306477B1/no not_active IP Right Cessation
- 1995-05-18 NO NO951973A patent/NO306478B1/no not_active IP Right Cessation
-
1997
- 1997-01-16 US US08/784,808 patent/US5827401A/en not_active Expired - Fee Related
Also Published As
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