SU1233807A3 - Ротационное устройство дл обработки расплава газами - Google Patents
Ротационное устройство дл обработки расплава газами Download PDFInfo
- Publication number
- SU1233807A3 SU1233807A3 SU823482205A SU3482205A SU1233807A3 SU 1233807 A3 SU1233807 A3 SU 1233807A3 SU 823482205 A SU823482205 A SU 823482205A SU 3482205 A SU3482205 A SU 3482205A SU 1233807 A3 SU1233807 A3 SU 1233807A3
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- rotor
- channels
- diameter
- bath
- blades
- Prior art date
Links
- 239000007789 gas Substances 0.000 title description 8
- 238000010128 melt processing Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 abstract description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 3
- 239000006185 dispersion Substances 0.000 abstract description 3
- 229910045601 alloy Inorganic materials 0.000 abstract description 2
- 239000000956 alloy Substances 0.000 abstract description 2
- 229910001338 liquidmetal Inorganic materials 0.000 abstract 1
- 239000000155 melt Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 235000009470 Theobroma cacao Nutrition 0.000 description 1
- 244000240602 cacao Species 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000009856 non-ferrous metallurgy Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
-
- 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
- B01F23/23311—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
- B01F23/2331—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
- 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
-
- 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
- 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
- C22B21/066—Treatment of circulating aluminium, e.g. by filtration
-
- 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
-
- 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
- C22B9/055—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ while the metal is circulating, e.g. combined with filtration
-
- 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
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/115—Stirrers characterised by the configuration of the stirrers comprising discs or disc-like elements essentially perpendicular to the stirrer shaft axis
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)
- Treating Waste Gases (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Coating Apparatus (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Radiation-Therapy Devices (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Chemically Coating (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LV930957A LV5628A3 (lv) | 1981-08-28 | 1993-06-30 | Rotacijas iekarta kausejuma apstradei ar gazem |
| LTRP1255A LT2640B (lt) | 1981-08-28 | 1993-09-29 | Lydalo apdorojimo dujomis rotacinis irenginys |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8116735A FR2512067B1 (fr) | 1981-08-28 | 1981-08-28 | Dispositif rotatif de dispersion de gaz pour le traitement d'un bain de metal liquide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU1233807A3 true SU1233807A3 (ru) | 1986-05-23 |
Family
ID=9261862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU823482205A SU1233807A3 (ru) | 1981-08-28 | 1982-08-26 | Ротационное устройство дл обработки расплава газами |
Country Status (28)
| Country | Link |
|---|---|
| US (1) | US4426068A (enExample) |
| EP (1) | EP0073729B1 (enExample) |
| JP (1) | JPS6049700B2 (enExample) |
| KR (1) | KR870000508B1 (enExample) |
| AT (1) | ATE12311T1 (enExample) |
| AU (1) | AU546831B2 (enExample) |
| BG (1) | BG41825A3 (enExample) |
| BR (1) | BR8205026A (enExample) |
| CA (1) | CA1184381A (enExample) |
| CS (1) | CS229943B2 (enExample) |
| DD (1) | DD202453A5 (enExample) |
| DE (1) | DE3262681D1 (enExample) |
| DK (1) | DK158325C (enExample) |
| EG (1) | EG15395A (enExample) |
| ES (1) | ES515297A0 (enExample) |
| FR (1) | FR2512067B1 (enExample) |
| GR (1) | GR77611B (enExample) |
| HK (1) | HK27686A (enExample) |
| HU (1) | HU186110B (enExample) |
| IE (1) | IE53805B1 (enExample) |
| IN (1) | IN156351B (enExample) |
| NO (1) | NO160527C (enExample) |
| PL (1) | PL131793B1 (enExample) |
| RO (1) | RO85137B (enExample) |
| SU (1) | SU1233807A3 (enExample) |
| TR (1) | TR21856A (enExample) |
| YU (1) | YU42045B (enExample) |
| ZA (1) | ZA826254B (enExample) |
Families Citing this family (50)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO155447C (no) * | 1984-01-25 | 1987-04-01 | Ardal Og Sunndal Verk | Anordning ved anlegg for behandling av en vaeske, f.eks. en aluminiumssmelte. |
| FR2562449B1 (fr) * | 1984-04-06 | 1986-11-14 | Servimetal | Dispositif de traitement de l'acier, avant coulee continue, par injection de gaz |
| FR2568267B1 (fr) * | 1984-07-27 | 1987-01-23 | Pechiney Aluminium | Poche de chloruration d'alliages d'aluminium destinee a eliminer le magnesium |
| DE3564449D1 (en) * | 1984-11-29 | 1988-09-22 | Foseco Int | Rotary device, apparatus and method for treating molten metal |
| JPS62205235A (ja) * | 1986-03-05 | 1987-09-09 | Showa Alum Corp | 溶融金属の処理装置 |
| FR2604099B1 (fr) * | 1986-09-22 | 1989-09-15 | Pechiney Aluminium | Dispositif rotatif a pels de mise en solution d'elements d'alliage et de dispersion de gaz dans un bain d'aluminium |
| JPH01271059A (ja) * | 1988-04-21 | 1989-10-30 | Honda Kinzoku Gijutsu Kk | 金属連続溶解保持炉 |
| CA1305609C (en) * | 1988-06-14 | 1992-07-28 | Peter D. Waite | Treatment of molten light metals |
| US4954167A (en) * | 1988-07-22 | 1990-09-04 | Cooper Paul V | Dispersing gas into molten metal |
| DE3827659A1 (de) * | 1988-08-16 | 1990-03-15 | Gabor Klaus Dieter Dipl Ing | Verfahren zur physikalischen aufbereitung von medien - fluessiger bis duennbreiiger konsistenz - zur veraenderung physikalischer grundeigenschaften und aufbereitungsgeraet zur durchfuehrung des verfahrens |
| US5013490A (en) * | 1988-10-21 | 1991-05-07 | Showa Aluminum Corporation | Device for releasing and diffusing bubbles into liquid |
| FR2645456B1 (fr) * | 1989-04-11 | 1994-02-11 | Air Liquide | Procede et installation de traitement d'un liquide avec un gaz |
| FR2656001A1 (fr) * | 1989-12-18 | 1991-06-21 | Pechiney Recherche | Procede et dispositif d'elaboration de produits composites a matrice metallique. |
| US5160693A (en) * | 1991-09-26 | 1992-11-03 | Eckert Charles E | Impeller for treating molten metals |
| GB2294209B (en) * | 1991-09-26 | 1996-07-03 | Charles Edward Eckert | Method for treating a molten metal with a gas |
| JPH07122106B2 (ja) * | 1991-12-02 | 1995-12-25 | 福岡アルミ工業株式会社 | 溶融軽金属の精製処理方法及び軽金属鋳塊または鋳物の製造方法 |
| US5634770A (en) * | 1992-06-12 | 1997-06-03 | Metaullics Systems Co., L.P. | Molten metal pump with vaned impeller |
| CA2097648C (en) * | 1992-06-12 | 1998-04-28 | Ronald E. Gilbert | Molton metal pump with vaned impeller and flow directing pumping chamber |
| FR2702159B1 (fr) * | 1993-03-05 | 1995-04-28 | Raymond Berchotteau | Appareil pour introduire et diffuser de l'air ou un gaz dans un liquide. |
| NO950173L (no) * | 1994-01-27 | 1995-07-28 | Praxair Technology Inc | Slagresistent oksydasjonsbeskyttelse for grafittdeler |
| US5527381A (en) * | 1994-02-04 | 1996-06-18 | Alcan International Limited | Gas treatment of molten metals |
| US5660614A (en) * | 1994-02-04 | 1997-08-26 | Alcan International Limited | Gas treatment of molten metals |
| US5597289A (en) * | 1995-03-07 | 1997-01-28 | Thut; Bruno H. | Dynamically balanced pump impeller |
| US5660766A (en) * | 1995-09-22 | 1997-08-26 | Van Dyek; Bernhard | Aerator |
| DE19539621C1 (de) * | 1995-10-16 | 1997-06-05 | Bayer Ag | Begasungsrührer für Leichtmetallschmelzen |
| EP0916066B1 (fr) * | 1996-08-02 | 1999-12-15 | Pechiney Rhenalu | Dispositif rotatif de dispersion de gaz pour le traitement d'un bain d'aluminium liquide |
| US6254340B1 (en) * | 1997-04-23 | 2001-07-03 | Metaullics Systems Co., L.P. | Molten metal impeller |
| FR2763079B1 (fr) * | 1997-05-07 | 1999-07-30 | Graphitech | Rotor et installation pour le traitement d'un bain de metal liquide |
| US6019576A (en) * | 1997-09-22 | 2000-02-01 | Thut; Bruno H. | Pumps for pumping molten metal with a stirring action |
| US6056803A (en) * | 1997-12-24 | 2000-05-02 | Alcan International Limited | Injector for gas treatment of molten metals |
| US6109449A (en) * | 1998-11-04 | 2000-08-29 | General Signal Corporation | Mixing system for separation of materials by flotation |
| US6199836B1 (en) | 1998-11-24 | 2001-03-13 | Blasch Precision Ceramics, Inc. | Monolithic ceramic gas diffuser for injecting gas into a molten metal bath |
| US6457940B1 (en) | 1999-07-23 | 2002-10-01 | Dale T. Lehman | Molten metal pump |
| CA2717264C (en) * | 2000-02-01 | 2014-04-29 | Pyrotek, Inc. | Pump for molten materials with suspended solids |
| GB2365513A (en) * | 2000-08-04 | 2002-02-20 | Pyrotek Engineering Materials | Refractory components for use in metal producing processes |
| US6524066B2 (en) * | 2001-01-31 | 2003-02-25 | Bruno H. Thut | Impeller for molten metal pump with reduced clogging |
| CN100409931C (zh) * | 2003-11-11 | 2008-08-13 | 福州华镁新技术开发有限公司 | 镁合金液搅拌精炼器 |
| BRMU8402794U8 (pt) * | 2004-08-27 | 2021-10-26 | Magnesita Insider Refratarios Ltda | Configuração aplicada a dispositivo para injeção de gás e/ou gás e pós em metais líquidos através de lança refratária rotativa |
| CA2528757A1 (en) * | 2004-12-02 | 2006-06-02 | Bruno H. Thut | Gas mixing and dispersement in pumps for pumping molten metal |
| US7497988B2 (en) * | 2005-01-27 | 2009-03-03 | Thut Bruno H | Vortexer apparatus |
| US7507365B2 (en) * | 2005-03-07 | 2009-03-24 | Thut Bruno H | Multi functional pump for pumping molten metal |
| US7534284B2 (en) * | 2007-03-27 | 2009-05-19 | Bruno Thut | Flux injection with pump for pumping molten metal |
| KR101036321B1 (ko) * | 2008-12-26 | 2011-05-23 | 주식회사 포스코 | 페로망간 탈린 장치 및 탈린 방법 |
| US9259780B2 (en) | 2013-03-15 | 2016-02-16 | Esm Group Inc. | Rotational lance drive and rotational lance injection method |
| JP6317604B2 (ja) * | 2014-03-20 | 2018-04-25 | 東京窯業株式会社 | 気泡の放出分散装置 |
| CA2928650C (en) | 2015-05-01 | 2023-09-26 | Opta Minerals Inc. | Lance drive system |
| WO2017098446A1 (en) * | 2015-12-09 | 2017-06-15 | Tenova South Africa (Pty) Ltd | Method of operating a top submerged lance furnace |
| CN109351141A (zh) * | 2018-10-25 | 2019-02-19 | 南京安伦化工科技有限公司 | 一种旋转式废气净化处理装置 |
| CN111102850B (zh) * | 2019-12-26 | 2021-07-30 | 河北工业职业技术学院 | 金属冶炼用自动匀料器 |
| PL441774A1 (pl) * | 2022-07-19 | 2024-01-22 | Akademia Górniczo-Hutnicza Im.Stanisława Staszica W Krakowie | Rotor do urządzenia rafinującego aluminium |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3227547A (en) * | 1961-11-24 | 1966-01-04 | Union Carbide Corp | Degassing molten metals |
| SE307627B (enExample) * | 1967-02-09 | 1969-01-13 | J Oestberg | |
| DE1758186A1 (de) * | 1968-04-19 | 1971-01-14 | Dr Heinrich Willter | Verfahren und Vorrichtung zur Herstellung dispersionsgeharteter Legierungen aus der Schmelze |
| US3743263A (en) * | 1971-12-27 | 1973-07-03 | Union Carbide Corp | Apparatus for refining molten aluminum |
| LU64926A1 (enExample) * | 1972-03-08 | 1973-09-12 | ||
| GB1428146A (en) * | 1972-09-18 | 1976-03-17 | Aluminum Co Of America | Purification of aluminium |
| CH583781A5 (enExample) * | 1972-12-07 | 1977-01-14 | Feichtinger Heinrich Sen | |
| US4178175A (en) | 1973-06-08 | 1979-12-11 | Kobe Steel, Ltd. | Method for agitating a bath of melted metal for treating the same |
| DE2329807C2 (de) * | 1973-06-12 | 1975-05-15 | Kobe Steel, Ltd., Kobe (Japan) | Verfahren zur Bewegung einer Metallschmelze und Vorrichtung dazu |
| DE7622931U1 (de) * | 1976-07-21 | 1976-12-02 | Oestberg, Jan-Erik, Bettna (Schweden) | Rotierender ruehrer fuer metallurgische zwecke |
| US4040610A (en) | 1976-08-16 | 1977-08-09 | Union Carbide Corporation | Apparatus for refining molten metal |
| DE2728173A1 (de) * | 1977-06-23 | 1979-01-04 | Rudolf Koppatz | Ruehrwerk fuer metallschmelzen |
-
1981
- 1981-08-28 FR FR8116735A patent/FR2512067B1/fr not_active Expired
-
1982
- 1982-06-16 IN IN691/CAL/82A patent/IN156351B/en unknown
- 1982-07-26 US US06/402,158 patent/US4426068A/en not_active Expired - Lifetime
- 1982-08-24 PL PL1982238022A patent/PL131793B1/pl unknown
- 1982-08-24 DD DD82242755A patent/DD202453A5/de not_active IP Right Cessation
- 1982-08-25 EG EG516/82A patent/EG15395A/xx active
- 1982-08-25 DE DE8282420123T patent/DE3262681D1/de not_active Expired
- 1982-08-25 AT AT82420123T patent/ATE12311T1/de not_active IP Right Cessation
- 1982-08-25 EP EP82420123A patent/EP0073729B1/fr not_active Expired
- 1982-08-25 JP JP57147508A patent/JPS6049700B2/ja not_active Expired
- 1982-08-26 CA CA000410173A patent/CA1184381A/fr not_active Expired
- 1982-08-26 GR GR69129A patent/GR77611B/el unknown
- 1982-08-26 SU SU823482205A patent/SU1233807A3/ru active
- 1982-08-26 ZA ZA826254A patent/ZA826254B/xx unknown
- 1982-08-26 BG BG057830A patent/BG41825A3/xx unknown
- 1982-08-26 TR TR21856A patent/TR21856A/xx unknown
- 1982-08-27 NO NO822913A patent/NO160527C/no not_active IP Right Cessation
- 1982-08-27 IE IE2077/82A patent/IE53805B1/en unknown
- 1982-08-27 RO RO108530A patent/RO85137B/ro unknown
- 1982-08-27 BR BR8205026A patent/BR8205026A/pt not_active IP Right Cessation
- 1982-08-27 AU AU87793/82A patent/AU546831B2/en not_active Expired
- 1982-08-27 YU YU1929/82A patent/YU42045B/xx unknown
- 1982-08-27 CS CS826269A patent/CS229943B2/cs unknown
- 1982-08-27 HU HU822771A patent/HU186110B/hu not_active IP Right Cessation
- 1982-08-27 ES ES515297A patent/ES515297A0/es active Granted
- 1982-08-27 DK DK384082A patent/DK158325C/da not_active IP Right Cessation
- 1982-08-28 KR KR8203887A patent/KR870000508B1/ko not_active Expired
-
1986
- 1986-04-17 HK HK276/86A patent/HK27686A/xx not_active IP Right Cessation
Non-Patent Citations (1)
| Title |
|---|
| Патент US № 3849119, кл. С 22 В 21/06, 1974. * |
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