ES549435A0 - Perfeccionamientos en un dispositivo rotativo para dispersarun gas en un metal fundido - Google Patents
Perfeccionamientos en un dispositivo rotativo para dispersarun gas en un metal fundidoInfo
- Publication number
- ES549435A0 ES549435A0 ES549435A ES549435A ES549435A0 ES 549435 A0 ES549435 A0 ES 549435A0 ES 549435 A ES549435 A ES 549435A ES 549435 A ES549435 A ES 549435A ES 549435 A0 ES549435 A0 ES 549435A0
- Authority
- ES
- Spain
- Prior art keywords
- rotary device
- cast metal
- disperse gas
- disperse
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/111—Centrifugal stirrers, i.e. stirrers with radial outlets; Stirrers of the turbine type, e.g. with means to guide the flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
- B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
- B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
- B01F23/23314—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements through a hollow stirrer element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/81—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis the stirrers having central axial inflow and substantially radial outflow
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B21/00—Obtaining aluminium
- C22B21/06—Obtaining aluminium refining
- C22B21/064—Obtaining aluminium refining using inert or reactive gases
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ
-
- 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
- F27D27/00—Stirring devices for molten material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
- B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
- B01F23/23311—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements through a hollow stirrer axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
- B01F23/2335—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the direction of introduction of the gas relative to the stirrer
- B01F23/23352—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the direction of introduction of the gas relative to the stirrer the gas moving perpendicular to the axis of rotation
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AR31281788A AR240572A3 (es) | 1985-11-29 | 1988-12-22 | Perfeccionamientos en un dispositivo rotativo para dispersar un gas en un metal fundido |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB848430194A GB8430194D0 (en) | 1984-11-29 | 1984-11-29 | Rotary device |
GB848430195A GB8430195D0 (en) | 1984-11-29 | 1984-11-29 | Treating molten metal |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8702503A1 ES8702503A1 (es) | 1986-12-16 |
ES549435A0 true ES549435A0 (es) | 1986-12-16 |
Family
ID=26288506
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES549435A Expired ES8702503A1 (es) | 1984-11-29 | 1985-11-29 | Perfeccionamientos en un dispositivo rotativo para dispersarun gas en un metal fundido |
Country Status (10)
Country | Link |
---|---|
US (1) | US4634105A (es) |
EP (1) | EP0183402B1 (es) |
CN (1) | CN85108571B (es) |
AU (1) | AU566659B2 (es) |
BR (1) | BR8506007A (es) |
CA (1) | CA1256694A (es) |
DE (1) | DE3564449D1 (es) |
ES (1) | ES8702503A1 (es) |
NO (1) | NO164112C (es) |
NZ (1) | NZ214256A (es) |
Families Citing this family (62)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62205235A (ja) * | 1986-03-05 | 1987-09-09 | Showa Alum Corp | 溶融金属の処理装置 |
FR2604107B1 (fr) * | 1986-09-22 | 1988-11-10 | Pechiney Aluminium | Dispositif rotatif de mise en solution d'elements d'alliage et de dispersion de gaz dans un bain d'aluminium |
GB8804267D0 (en) * | 1988-02-24 | 1988-03-23 | Foseco Int | Treating molten metal |
CA1305609C (en) * | 1988-06-14 | 1992-07-28 | Peter D. Waite | Treatment of molten light metals |
US4898367A (en) * | 1988-07-22 | 1990-02-06 | The Stemcor Corporation | Dispersing gas into molten metal |
US4954167A (en) * | 1988-07-22 | 1990-09-04 | Cooper Paul V | Dispersing gas into molten metal |
US5013490A (en) * | 1988-10-21 | 1991-05-07 | Showa Aluminum Corporation | Device for releasing and diffusing bubbles into liquid |
GB8910288D0 (en) * | 1989-05-05 | 1989-06-21 | Foseco Int | Treatment of molten metals |
US4992241A (en) * | 1990-03-15 | 1991-02-12 | Alcan International Limited | Recycling of metal matrix composites |
US5143357A (en) * | 1990-11-19 | 1992-09-01 | The Carborundum Company | Melting metal particles and dispersing gas with vaned impeller |
US5234202A (en) * | 1991-02-19 | 1993-08-10 | Praxair Technology, Inc. | Gas dispersion apparatus for molten aluminum refining |
US5160693A (en) * | 1991-09-26 | 1992-11-03 | Eckert Charles E | Impeller for treating molten metals |
TR27649A (tr) * | 1992-04-15 | 1995-06-14 | Union Carbide Ind Gases Tech | Erimis alüminyumun tasfiyesi icin gelistirilmis gaz dagitma aygiti. |
US5397377A (en) * | 1994-01-03 | 1995-03-14 | Eckert; C. Edward | Molten metal fluxing system |
US5527381A (en) * | 1994-02-04 | 1996-06-18 | Alcan International Limited | Gas treatment of molten metals |
US5678807A (en) * | 1995-06-13 | 1997-10-21 | Cooper; Paul V. | Rotary degasser |
GB9514178D0 (en) * | 1995-07-12 | 1995-09-13 | Stride Steven | Improvements in and relating to melt treatment apparatus and methods |
EP0778251A1 (de) | 1995-12-04 | 1997-06-11 | C. Conradty Mechanical & Electrical GmbH | Korrosionsschutzeinrichtung für Körper aus Graphit oder Kohlenstoff |
US5944496A (en) * | 1996-12-03 | 1999-08-31 | Cooper; Paul V. | Molten metal pump with a flexible coupling and cement-free metal-transfer conduit connection |
US5951243A (en) * | 1997-07-03 | 1999-09-14 | Cooper; Paul V. | Rotor bearing system for molten metal pumps |
US6027685A (en) * | 1997-10-15 | 2000-02-22 | Cooper; Paul V. | Flow-directing device for molten metal pump |
US6056803A (en) * | 1997-12-24 | 2000-05-02 | Alcan International Limited | Injector for gas treatment of molten metals |
US6093000A (en) | 1998-08-11 | 2000-07-25 | Cooper; Paul V | Molten metal pump with monolithic rotor |
US6303074B1 (en) | 1999-05-14 | 2001-10-16 | Paul V. Cooper | Mixed flow rotor for molten metal pumping device |
US6398844B1 (en) * | 2000-02-07 | 2002-06-04 | Air Products And Chemicals, Inc. | Blanketing molten nonferrous metals and alloys with gases having reduced global warming potential |
US6689310B1 (en) | 2000-05-12 | 2004-02-10 | Paul V. Cooper | Molten metal degassing device and impellers therefor |
US6723276B1 (en) | 2000-08-28 | 2004-04-20 | Paul V. Cooper | Scrap melter and impeller |
US7470392B2 (en) * | 2003-07-14 | 2008-12-30 | Cooper Paul V | Molten metal pump components |
US7507367B2 (en) * | 2002-07-12 | 2009-03-24 | Cooper Paul V | Protective coatings for molten metal devices |
US20050013715A1 (en) | 2003-07-14 | 2005-01-20 | Cooper Paul V. | System for releasing gas into molten metal |
US20070253807A1 (en) | 2006-04-28 | 2007-11-01 | Cooper Paul V | Gas-transfer foot |
US7402276B2 (en) * | 2003-07-14 | 2008-07-22 | Cooper Paul V | Pump with rotating inlet |
US7731891B2 (en) * | 2002-07-12 | 2010-06-08 | Cooper Paul V | Couplings for molten metal devices |
GB2396310A (en) * | 2002-12-21 | 2004-06-23 | Foseco Int | Rotary device with vanes for dispersing a gas in a molten metal |
US7906068B2 (en) * | 2003-07-14 | 2011-03-15 | Cooper Paul V | Support post system for molten metal pump |
DE202006017166U1 (de) | 2006-11-09 | 2007-01-11 | Waibel, Walter | Drehgelenk |
US9410744B2 (en) | 2010-05-12 | 2016-08-09 | Molten Metal Equipment Innovations, Llc | Vessel transfer insert and system |
US8613884B2 (en) | 2007-06-21 | 2013-12-24 | Paul V. Cooper | Launder transfer insert and system |
US9156087B2 (en) | 2007-06-21 | 2015-10-13 | Molten Metal Equipment Innovations, Llc | Molten metal transfer system and rotor |
US8337746B2 (en) | 2007-06-21 | 2012-12-25 | Cooper Paul V | Transferring molten metal from one structure to another |
US9409232B2 (en) | 2007-06-21 | 2016-08-09 | Molten Metal Equipment Innovations, Llc | Molten metal transfer vessel and method of construction |
US8366993B2 (en) | 2007-06-21 | 2013-02-05 | Cooper Paul V | System and method for degassing molten metal |
US9205490B2 (en) | 2007-06-21 | 2015-12-08 | Molten Metal Equipment Innovations, Llc | Transfer well system and method for making same |
US9643247B2 (en) | 2007-06-21 | 2017-05-09 | Molten Metal Equipment Innovations, Llc | Molten metal transfer and degassing system |
US8444911B2 (en) | 2009-08-07 | 2013-05-21 | Paul V. Cooper | Shaft and post tensioning device |
US8524146B2 (en) | 2009-08-07 | 2013-09-03 | Paul V. Cooper | Rotary degassers and components therefor |
US8535603B2 (en) | 2009-08-07 | 2013-09-17 | Paul V. Cooper | Rotary degasser and rotor therefor |
US8449814B2 (en) * | 2009-08-07 | 2013-05-28 | Paul V. Cooper | Systems and methods for melting scrap metal |
US10428821B2 (en) * | 2009-08-07 | 2019-10-01 | Molten Metal Equipment Innovations, Llc | Quick submergence molten metal pump |
US8714914B2 (en) | 2009-09-08 | 2014-05-06 | Paul V. Cooper | Molten metal pump filter |
US9108244B2 (en) | 2009-09-09 | 2015-08-18 | Paul V. Cooper | Immersion heater for molten metal |
CN102908927B (zh) * | 2012-09-29 | 2014-09-17 | 杭州金马能源科技有限公司 | 纳米材料高速分散匀质机 |
US9903383B2 (en) | 2013-03-13 | 2018-02-27 | Molten Metal Equipment Innovations, Llc | Molten metal rotor with hardened top |
US9011761B2 (en) | 2013-03-14 | 2015-04-21 | Paul V. Cooper | Ladle with transfer conduit |
US10052688B2 (en) | 2013-03-15 | 2018-08-21 | Molten Metal Equipment Innovations, Llc | Transfer pump launder system |
US10138892B2 (en) | 2014-07-02 | 2018-11-27 | Molten Metal Equipment Innovations, Llc | Rotor and rotor shaft for molten metal |
US10947980B2 (en) | 2015-02-02 | 2021-03-16 | Molten Metal Equipment Innovations, Llc | Molten metal rotor with hardened blade tips |
US10267314B2 (en) | 2016-01-13 | 2019-04-23 | Molten Metal Equipment Innovations, Llc | Tensioned support shaft and other molten metal devices |
CN107571399B (zh) * | 2016-01-30 | 2019-05-28 | 刘浩然 | 保温墙板混料同步搅拌器 |
US11149747B2 (en) | 2017-11-17 | 2021-10-19 | Molten Metal Equipment Innovations, Llc | Tensioned support post and other molten metal devices |
US11358217B2 (en) | 2019-05-17 | 2022-06-14 | Molten Metal Equipment Innovations, Llc | Method for melting solid metal |
US11873845B2 (en) | 2021-05-28 | 2024-01-16 | Molten Metal Equipment Innovations, Llc | Molten metal transfer device |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE522976C (de) * | 1930-03-19 | 1931-04-17 | Blei Und Silberhuette Braubach | Verfahren und Vorrichtung zur Durchmischung von Gasen oder Daempfen mit Schmelzen, insbesondere mit Metall- bzw. Legierungsschmelzen |
US2660525A (en) * | 1952-01-22 | 1953-11-24 | Charles B Foster | Method of extracting lead from its sulfides |
GB956600A (en) * | 1960-07-07 | 1964-04-29 | Ostberg Jan Erik | Method of stirring, dispersing or homogenising metal or slag charges having a temperature of at least 800íµ., and mechanical device for such stirring, etc |
US3227547A (en) * | 1961-11-24 | 1966-01-04 | Union Carbide Corp | Degassing molten metals |
CH508047A (de) * | 1966-10-11 | 1971-05-31 | Oestberg Jan Erik | Anordnung zur Ausbildung einer Strömung in der Reaktionszone zwischen zwei in einem Behälter übereinander befindlichen Schichten von sehr verschiedenem spezifischem Gewicht |
GB1266500A (es) * | 1968-05-31 | 1972-03-08 | ||
BE756091A (fr) * | 1969-09-12 | 1971-02-15 | Britsh Aluminium Cy Ltd | Procede et dispositif pour le traitement de metal |
GB1367069A (en) * | 1970-10-22 | 1974-09-18 | British Aluminium Co Ltd | Removal of non-metallic constituents from liquid metal |
US3849119A (en) * | 1971-11-04 | 1974-11-19 | Aluminum Co Of America | Treatment of molten aluminum with an impeller |
US3767382A (en) * | 1971-11-04 | 1973-10-23 | Aluminum Co Of America | Treatment of molten aluminum with an impeller |
US3870511A (en) * | 1971-12-27 | 1975-03-11 | Union Carbide Corp | Process for refining molten aluminum |
US3743263A (en) * | 1971-12-27 | 1973-07-03 | Union Carbide Corp | Apparatus for refining molten aluminum |
US3839019A (en) * | 1972-09-18 | 1974-10-01 | Aluminum Co Of America | Purification of aluminum with turbine blade agitation |
CH583781A5 (es) * | 1972-12-07 | 1977-01-14 | Feichtinger Heinrich Sen | |
US3972709A (en) * | 1973-06-04 | 1976-08-03 | Southwire Company | Method for dispersing gas into a molten metal |
US3958980A (en) * | 1974-11-08 | 1976-05-25 | Union Carbide Corporation | Process for removing alkali-metal impurities from molten aluminum |
US4047938A (en) * | 1974-12-23 | 1977-09-13 | Union Carbide Corporation | Process for refining molten metal |
NO142764C (no) * | 1974-12-23 | 1980-10-08 | Union Carbide Corp | Tolagsforing for en utvendig oppvarmet stoepejernsdigel samt fremgangsmaate for fremstilling av en slik foring |
US4195823A (en) * | 1975-05-19 | 1980-04-01 | Kobe Steel, Ltd. | Method of and an apparatus for agitating a bath of melted metal for treating the same |
US4040610A (en) * | 1976-08-16 | 1977-08-09 | Union Carbide Corporation | Apparatus for refining molten metal |
US4373704A (en) * | 1980-06-12 | 1983-02-15 | Union Carbide Corporation | Apparatus for refining molten metal |
FR2491954A1 (fr) * | 1980-10-14 | 1982-04-16 | Pechiney Aluminium | Dispositif de traitement d'un bain de metal liquide par injection de gaz |
JPS581025A (ja) * | 1981-05-27 | 1983-01-06 | Sumitomo Light Metal Ind Ltd | 溶融金属の処理装置 |
US4357004A (en) * | 1981-07-06 | 1982-11-02 | Union Carbide Corporation | Apparatus for refining molten metal |
FR2512067B1 (fr) * | 1981-08-28 | 1986-02-07 | Pechiney Aluminium | Dispositif rotatif de dispersion de gaz pour le traitement d'un bain de metal liquide |
FR2514370B1 (fr) * | 1981-10-14 | 1989-09-29 | Pechiney Aluminium | Dispositif pour le traitement, au passage, d'un courant de metal ou alliage liquide a base d'aluminium ou de magnesium |
US4556419A (en) * | 1983-10-21 | 1985-12-03 | Showa Aluminum Corporation | Process for treating molten aluminum to remove hydrogen gas and non-metallic inclusions therefrom |
JPS60200923A (ja) * | 1984-03-23 | 1985-10-11 | Showa Alum Corp | 気泡の微細化分散装置 |
-
1985
- 1985-11-04 DE DE8585307973T patent/DE3564449D1/de not_active Expired
- 1985-11-04 EP EP85307973A patent/EP0183402B1/en not_active Expired
- 1985-11-12 US US06/797,022 patent/US4634105A/en not_active Expired - Lifetime
- 1985-11-19 CA CA000495625A patent/CA1256694A/en not_active Expired
- 1985-11-20 CN CN85108571A patent/CN85108571B/zh not_active Expired
- 1985-11-20 NZ NZ214256A patent/NZ214256A/en unknown
- 1985-11-26 AU AU50386/85A patent/AU566659B2/en not_active Ceased
- 1985-11-28 NO NO854786A patent/NO164112C/no unknown
- 1985-11-29 BR BR8506007A patent/BR8506007A/pt not_active IP Right Cessation
- 1985-11-29 ES ES549435A patent/ES8702503A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU5038685A (en) | 1986-06-05 |
CN85108571B (zh) | 1988-07-06 |
ES8702503A1 (es) | 1986-12-16 |
EP0183402A3 (en) | 1986-09-03 |
NZ214256A (en) | 1987-01-23 |
AU566659B2 (en) | 1987-10-29 |
US4634105A (en) | 1987-01-06 |
EP0183402B1 (en) | 1988-08-17 |
NO164112B (no) | 1990-05-21 |
NO164112C (no) | 1990-08-29 |
CA1256694A (en) | 1989-07-04 |
DE3564449D1 (en) | 1988-09-22 |
EP0183402A2 (en) | 1986-06-04 |
BR8506007A (pt) | 1986-08-19 |
NO854786L (no) | 1986-05-30 |
CN85108571A (zh) | 1986-05-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 20000201 |