NO332060B1 - Fremgangsmate for rensing av forbrenningsanlegg - Google Patents
Fremgangsmate for rensing av forbrenningsanlegg Download PDFInfo
- Publication number
- NO332060B1 NO332060B1 NO20034587A NO20034587A NO332060B1 NO 332060 B1 NO332060 B1 NO 332060B1 NO 20034587 A NO20034587 A NO 20034587A NO 20034587 A NO20034587 A NO 20034587A NO 332060 B1 NO332060 B1 NO 332060B1
- Authority
- NO
- Norway
- Prior art keywords
- thin
- lance
- walled container
- cleaning
- explosive mixture
- Prior art date
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000002485 combustion reaction Methods 0.000 title abstract description 7
- 239000002360 explosive Substances 0.000 claims abstract description 47
- 239000000203 mixture Substances 0.000 claims abstract description 46
- 238000009434 installation Methods 0.000 claims abstract description 25
- 239000002893 slag Substances 0.000 claims abstract description 8
- 238000011109 contamination Methods 0.000 claims abstract description 6
- 238000005422 blasting Methods 0.000 claims abstract description 3
- 238000005516 engineering process Methods 0.000 claims abstract description 3
- 239000007789 gas Substances 0.000 claims description 82
- 239000000463 material Substances 0.000 claims description 45
- 238000001816 cooling Methods 0.000 claims description 41
- 230000001681 protective effect Effects 0.000 claims description 39
- 239000002826 coolant Substances 0.000 claims description 29
- 239000007788 liquid Substances 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 8
- 238000005474 detonation Methods 0.000 claims description 6
- 239000000446 fuel Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 5
- 239000007800 oxidant agent Substances 0.000 claims description 4
- 230000009969 flowable effect Effects 0.000 claims 13
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 229920002457 flexible plastic Polymers 0.000 claims 2
- 238000004880 explosion Methods 0.000 description 19
- 230000008569 process Effects 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 230000002745 absorbent Effects 0.000 description 10
- 239000002250 absorbent Substances 0.000 description 10
- 239000004033 plastic Substances 0.000 description 9
- 229920003023 plastic Polymers 0.000 description 9
- 239000003570 air Substances 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 238000011049 filling Methods 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 230000002028 premature Effects 0.000 description 7
- 239000003507 refrigerant Substances 0.000 description 7
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 6
- 230000006378 damage Effects 0.000 description 6
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- 239000011241 protective layer Substances 0.000 description 5
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000011810 insulating material Substances 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000002956 ash Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000003779 heat-resistant material Substances 0.000 description 2
- 239000011344 liquid material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000012782 phase change material Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- -1 refuse Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 240000000491 Corchorus aestuans Species 0.000 description 1
- 235000011777 Corchorus aestuans Nutrition 0.000 description 1
- 235000010862 Corchorus capsularis Nutrition 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 238000009689 gas atomisation Methods 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 238000005480 shot peening Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0007—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by explosions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag
- F27D25/006—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag using explosives
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cleaning In General (AREA)
- Incineration Of Waste (AREA)
- Gasification And Melting Of Waste (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Detergent Compositions (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH00700/01A CH695117A5 (de) | 2001-04-12 | 2001-04-12 | Verfahren zum Reinigen von Verbrennungseinrichtungen. |
CH1542002 | 2002-01-30 | ||
PCT/CH2002/000174 WO2002084193A1 (de) | 2001-04-12 | 2002-03-25 | Verfahren zum reinigen von verbrennungseinrichtungen |
Publications (3)
Publication Number | Publication Date |
---|---|
NO20034587D0 NO20034587D0 (no) | 2003-10-13 |
NO20034587L NO20034587L (no) | 2003-12-12 |
NO332060B1 true NO332060B1 (no) | 2012-06-11 |
Family
ID=25716394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO20034587A NO332060B1 (no) | 2001-04-12 | 2003-10-13 | Fremgangsmate for rensing av forbrenningsanlegg |
Country Status (18)
Country | Link |
---|---|
US (1) | US6935281B2 (sk) |
EP (1) | EP1362213B1 (sk) |
JP (2) | JP4526230B2 (sk) |
KR (1) | KR100926846B1 (sk) |
CN (1) | CN100538240C (sk) |
AT (1) | ATE285059T1 (sk) |
AU (1) | AU2002238344B2 (sk) |
CA (1) | CA2443916C (sk) |
CZ (1) | CZ304976B6 (sk) |
DE (1) | DE50201779D1 (sk) |
DK (1) | DK1362213T3 (sk) |
ES (1) | ES2235009T3 (sk) |
NO (1) | NO332060B1 (sk) |
PL (1) | PL200448B1 (sk) |
PT (1) | PT1362213E (sk) |
SK (1) | SK287434B6 (sk) |
TW (1) | TW593931B (sk) |
WO (1) | WO2002084193A1 (sk) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6431073B1 (en) | 1998-01-14 | 2002-08-13 | North American Industrial Services, Inc. | Device, system and method for on-line explosive deslagging |
AU2002238344B2 (en) * | 2001-04-12 | 2007-07-12 | Bang & Clean Gmbh | Method for cleaning combustion devices |
US7104223B2 (en) * | 2003-11-20 | 2006-09-12 | United Technologies Corporation | Detonative cleaning apparatus |
EP1533050A1 (en) * | 2003-11-20 | 2005-05-25 | United Technologies Corporation | Detonative cleaning apparatus |
US20050125933A1 (en) * | 2003-12-11 | 2005-06-16 | Hochstein James R.Jr. | Detonative cleaning apparatus |
US20050125932A1 (en) * | 2003-12-11 | 2005-06-16 | Kendrick Donald W. | Detonative cleaning apparatus nozzle |
US7267134B2 (en) * | 2004-03-15 | 2007-09-11 | United Technologies Corporation | Control of detonative cleaning apparatus |
US7011047B2 (en) | 2003-11-20 | 2006-03-14 | United Technologies Corporation | Detonative cleaning apparatus |
US20050126595A1 (en) * | 2003-12-11 | 2005-06-16 | Flatness Scott A. | Detonative cleaning apparatus |
AU2004229043B2 (en) * | 2003-11-20 | 2007-04-26 | United Technologies Corporation | Control of detonative cleaning apparatus |
US7442034B2 (en) * | 2003-12-11 | 2008-10-28 | Shocksystem, Inc. | Detonative cleaning apparatus |
DE20321732U1 (de) | 2003-12-19 | 2009-05-28 | Online Cleaning B.V. | Vorrichtung zur Reinigung von Verschmutzungen in Wärmetauschern, Abhitzekesseln und Brennkammern |
KR100757541B1 (ko) * | 2005-11-08 | 2007-09-10 | 엘지전자 주식회사 | 플라즈마 디스플레이 장치 및 그의 화상 처리방법 |
DE502005004351D1 (de) * | 2005-12-03 | 2008-07-17 | Hne Technologie Ag | Verfahren zur Innenreinigung von Industrieöfen, Bunkern und dergleichen durch Beschuss mit Industriekanonen |
EP1847678A1 (en) * | 2006-04-13 | 2007-10-24 | Air Products and Chemicals, Inc. | A thermic lance |
EP2094970B1 (en) * | 2006-11-17 | 2017-01-11 | Summerhill Biomass Systems, Inc. | Powdered fuels, dispersions thereof, and combustion devices related thereto |
US20080264357A1 (en) * | 2007-04-26 | 2008-10-30 | United Technologies Corporation | Control of detonative cleaning apparatus |
KR101187809B1 (ko) | 2010-10-04 | 2012-10-05 | 주식회사 디에이치씨 | 제한된 작업공간 내의 고형물 파쇄장치 |
EP2548662A1 (en) | 2011-07-22 | 2013-01-23 | Online Cleaning B.V. | Device for and method of cleaning installations online |
KR101318385B1 (ko) * | 2011-11-17 | 2013-10-15 | 주식회사 포스코 | 고로의 연소대 미연소 퇴적층 제거 장치 및 제거 방법 |
CH705844A2 (de) | 2011-12-07 | 2013-06-14 | Bang & Clean Gmbh | Vorrichtung und Verfahren zum Entfernen von Ablagerungen in Behältnissen mittels Sprengtechnologie. |
CH705845A2 (de) | 2011-12-07 | 2013-06-14 | Bang & Clean Gmbh | Mit einem explosionsfähigen Gemisch auftreibbare, flexible Behälterhülle für eine Vorrichtung und ein Verfahren zum Entfernen von Ablagerungen in Behältnissen mittels Sprengtechnologie. |
ITPD20120300A1 (it) | 2012-10-16 | 2014-04-17 | Fare S R L | Procedimento di pulizia di forni fusori a bacino per la produzione di articoli in vetro |
CH707256A1 (de) * | 2012-12-20 | 2014-06-30 | Bang & Clean Gmbh | Vorrichtung und Verfahren zum Reinigen von Verbrennungseinrichtungen. |
CN105228761B (zh) * | 2013-02-11 | 2019-07-16 | 冲击及清洁装置有限责任公司 | 清洗容器和设备的内部空间的方法和装置 |
CH709242A1 (de) * | 2014-02-11 | 2015-08-14 | Bang & Clean Gmbh | Verfahren und Vorrichtung zum Reinigen von Innenräumen von Behältern und Anlagen mittels Explosionstechnologie. |
DE102015207350A1 (de) | 2014-04-23 | 2015-10-29 | Kiw Kessel- Und Industriewartung Gmbh | Vorrichtung und Verfahren zur On-Line Reinigung von Wärmetauschern in Unterdruckkesseln, die mit thermischer Verbrennung arbeiten |
US9751090B2 (en) * | 2015-06-01 | 2017-09-05 | US Nitro Blasting & Environmental, LLC | Methods for cleaning precipitators |
JP5971438B1 (ja) * | 2015-07-07 | 2016-08-17 | Jfeエンジニアリング株式会社 | ボイラのダスト除去装置及びダスト除去方法 |
CN105987615A (zh) * | 2016-07-05 | 2016-10-05 | 河南国科特种装备有限公司 | 工业炉窑清堵除尘设备 |
CH713804A1 (de) * | 2017-05-24 | 2018-11-30 | Bang & Clean Gmbh | Vorrichtung und Verfahren zum Entfernen von Ablagerungen in Innenräumen von Behältern oder Anlagen. |
US10845137B2 (en) | 2018-11-30 | 2020-11-24 | Vincent P. Barreto | Combustion cleaning system and method |
US10962311B2 (en) * | 2019-01-16 | 2021-03-30 | Dos Viejos Amigos, LLC | Heat recovery steam generator cleaning system and method |
US11841198B2 (en) * | 2019-01-16 | 2023-12-12 | Dos Viejos Amigos, LLC | Cleaning system and method |
IT202000012658A1 (it) | 2020-05-28 | 2021-11-28 | Bio Protect Group Srl | Metodo ed apparato per la pulizia a caldo o a freddo di scorie della combustione mediante onda d’urto esplosiva |
JP7141436B2 (ja) * | 2020-11-02 | 2022-09-22 | 株式会社タクマ | ガス供給システム、ガス供給方法、及びガス供給プログラム |
CN112413618B (zh) * | 2020-11-25 | 2023-08-08 | 安化华晟生物能源有限责任公司 | 吹灰设备 |
CN113551248A (zh) * | 2021-08-06 | 2021-10-26 | 中国天楹股份有限公司 | 一种垃圾焚烧余热锅炉在线水力清灰系统 |
CN113757705B (zh) * | 2021-08-30 | 2022-10-28 | 西安交通大学 | 一种燃煤锅炉水平烟道吹灰器 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS609593A (ja) | 1983-06-28 | 1985-01-18 | Akihiro Saito | 溶接チツプの清掃法および装置 |
US4640043A (en) * | 1985-06-14 | 1987-02-03 | Sigler Perry J | Explosive rodent trap |
US4905900A (en) * | 1986-08-29 | 1990-03-06 | Anco Engineers, Inc. | Water cannon apparatus for cleaning a tube bundle heat exchanger, boiler, condenser, or the like |
JPS6470693A (en) * | 1987-09-11 | 1989-03-16 | Nippon Steel Corp | Method of overhauling refractory lining |
US5082502A (en) * | 1988-09-08 | 1992-01-21 | Cabot Corporation | Cleaning apparatus and process |
US5214168A (en) * | 1992-04-30 | 1993-05-25 | Arco Chemical Technology, L.P. | Integrated process for epoxide production |
JP2787177B2 (ja) * | 1992-04-30 | 1998-08-13 | 新日本製鐵株式会社 | 爆破装置における爆薬装填用袋体 |
JPH10166025A (ja) * | 1996-10-09 | 1998-06-23 | Nippon Steel Corp | 金属帯の表面浄化方法 |
US6431073B1 (en) * | 1998-01-14 | 2002-08-13 | North American Industrial Services, Inc. | Device, system and method for on-line explosive deslagging |
US5769034A (en) * | 1997-01-17 | 1998-06-23 | Zilka; Frank | Device, system and method for on-line explosive deslagging |
EP1030744A1 (en) * | 1997-11-12 | 2000-08-30 | Ablation Technologies Inc. | Method and apparatus for cleaning molds used in the glass fabrication industry |
AU2002238344B2 (en) * | 2001-04-12 | 2007-07-12 | Bang & Clean Gmbh | Method for cleaning combustion devices |
-
2002
- 2002-03-25 AU AU2002238344A patent/AU2002238344B2/en not_active Expired
- 2002-03-25 PL PL364440A patent/PL200448B1/pl unknown
- 2002-03-25 PT PT02704538T patent/PT1362213E/pt unknown
- 2002-03-25 EP EP02704538A patent/EP1362213B1/de not_active Expired - Lifetime
- 2002-03-25 CA CA2443916A patent/CA2443916C/en not_active Expired - Lifetime
- 2002-03-25 WO PCT/CH2002/000174 patent/WO2002084193A1/de active IP Right Grant
- 2002-03-25 SK SK1297-2003A patent/SK287434B6/sk unknown
- 2002-03-25 ES ES02704538T patent/ES2235009T3/es not_active Expired - Lifetime
- 2002-03-25 US US10/474,576 patent/US6935281B2/en not_active Expired - Lifetime
- 2002-03-25 DK DK02704538T patent/DK1362213T3/da active
- 2002-03-25 CZ CZ2003-2807A patent/CZ304976B6/cs not_active IP Right Cessation
- 2002-03-25 CN CNB028116666A patent/CN100538240C/zh not_active Expired - Lifetime
- 2002-03-25 KR KR1020037013229A patent/KR100926846B1/ko active IP Right Grant
- 2002-03-25 AT AT02704538T patent/ATE285059T1/de active
- 2002-03-25 JP JP2002592699A patent/JP4526230B2/ja not_active Expired - Lifetime
- 2002-03-25 DE DE50201779T patent/DE50201779D1/de not_active Expired - Lifetime
- 2002-03-29 TW TW091106369A patent/TW593931B/zh not_active IP Right Cessation
-
2003
- 2003-10-13 NO NO20034587A patent/NO332060B1/no not_active IP Right Cessation
-
2009
- 2009-10-27 JP JP2009246507A patent/JP2010023035A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CN100538240C (zh) | 2009-09-09 |
CA2443916A1 (en) | 2002-10-24 |
ATE285059T1 (de) | 2005-01-15 |
CN1514925A (zh) | 2004-07-21 |
DE50201779D1 (de) | 2005-01-20 |
JP2004526935A (ja) | 2004-09-02 |
CZ304976B6 (cs) | 2015-02-25 |
WO2002084193A1 (de) | 2002-10-24 |
EP1362213A1 (de) | 2003-11-19 |
US20040112306A1 (en) | 2004-06-17 |
AU2002238344B2 (en) | 2007-07-12 |
JP2010023035A (ja) | 2010-02-04 |
PL200448B1 (pl) | 2009-01-30 |
KR100926846B1 (ko) | 2009-11-13 |
SK12972003A3 (sk) | 2004-05-04 |
KR20040005914A (ko) | 2004-01-16 |
ES2235009T3 (es) | 2005-07-01 |
NO20034587D0 (no) | 2003-10-13 |
NO20034587L (no) | 2003-12-12 |
SK287434B6 (sk) | 2010-09-07 |
JP4526230B2 (ja) | 2010-08-18 |
PT1362213E (pt) | 2005-04-29 |
CZ20032807A3 (en) | 2004-05-12 |
PL364440A1 (en) | 2004-12-13 |
EP1362213B1 (de) | 2004-12-15 |
DK1362213T3 (da) | 2005-04-11 |
US6935281B2 (en) | 2005-08-30 |
CA2443916C (en) | 2010-06-01 |
TW593931B (en) | 2004-06-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK1K | Patent expired |