IT1038126B - Composizione di rivestimento per superlaghe resistente alle alte temperature - Google Patents
Composizione di rivestimento per superlaghe resistente alle alte temperatureInfo
- Publication number
- IT1038126B IT1038126B IT23242/75A IT2324275A IT1038126B IT 1038126 B IT1038126 B IT 1038126B IT 23242/75 A IT23242/75 A IT 23242/75A IT 2324275 A IT2324275 A IT 2324275A IT 1038126 B IT1038126 B IT 1038126B
- Authority
- IT
- Italy
- Prior art keywords
- superlakes
- resistant
- covering
- composition
- high temperatures
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/07—Alloys based on nickel or cobalt based on cobalt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/052—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 40%
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/16—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/922—Static electricity metal bleed-off metallic stock
- Y10S428/923—Physical dimension
- Y10S428/924—Composite
- Y10S428/926—Thickness of individual layer specified
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12931—Co-, Fe-, or Ni-base components, alternative to each other
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12986—Adjacent functionally defined components
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US469186A US3928026A (en) | 1974-05-13 | 1974-05-13 | High temperature nicocraly coatings |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1038126B true IT1038126B (it) | 1979-11-20 |
Family
ID=23862796
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT23242/75A IT1038126B (it) | 1974-05-13 | 1975-05-13 | Composizione di rivestimento per superlaghe resistente alle alte temperature |
Country Status (10)
Country | Link |
---|---|
US (1) | US3928026A (it) |
JP (1) | JPS5919977B2 (it) |
CA (1) | CA1045421A (it) |
CH (1) | CH606454A5 (it) |
DE (1) | DE2520192C2 (it) |
FR (1) | FR2271299B1 (it) |
GB (1) | GB1489796A (it) |
IL (1) | IL47181A (it) |
IT (1) | IT1038126B (it) |
SE (1) | SE410476B (it) |
Families Citing this family (86)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3993454A (en) * | 1975-06-23 | 1976-11-23 | United Technologies Corporation | Alumina forming coatings containing hafnium for high temperature applications |
USRE33876E (en) * | 1975-09-11 | 1992-04-07 | United Technologies Corporation | Thermal barrier coating for nickel and cobalt base super alloys |
US4029477A (en) * | 1975-10-29 | 1977-06-14 | General Electric Company | Coated Ni-Cr base dispersion-modified alloy article |
USRE30995E (en) * | 1977-06-09 | 1982-07-13 | General Electric Company | High integrity CoCrAl(Y) coated nickel-base superalloys |
USRE31339E (en) * | 1977-08-03 | 1983-08-09 | Howmet Turbine Components Corporation | Process for producing elevated temperature corrosion resistant metal articles |
DE2842848A1 (de) * | 1977-10-17 | 1979-04-19 | United Technologies Corp | Ueberzogener gegenstand, insbesondere superlegierungsgasturbinenschaufel |
US4198442A (en) * | 1977-10-31 | 1980-04-15 | Howmet Turbine Components Corporation | Method for producing elevated temperature corrosion resistant articles |
US4275090A (en) * | 1978-10-10 | 1981-06-23 | United Technologies Corporation | Process for carbon bearing MCrAlY coating |
US4275124A (en) * | 1978-10-10 | 1981-06-23 | United Technologies Corporation | Carbon bearing MCrAlY coating |
US4339509A (en) * | 1979-05-29 | 1982-07-13 | Howmet Turbine Components Corporation | Superalloy coating composition with oxidation and/or sulfidation resistance |
US4313760A (en) * | 1979-05-29 | 1982-02-02 | Howmet Turbine Components Corporation | Superalloy coating composition |
US4346137A (en) * | 1979-12-19 | 1982-08-24 | United Technologies Corporation | High temperature fatigue oxidation resistant coating on superalloy substrate |
US4372377A (en) * | 1981-03-16 | 1983-02-08 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Heat pipes containing alkali metal working fluid |
US4615865A (en) * | 1981-08-05 | 1986-10-07 | United Technologies Corporation | Overlay coatings with high yttrium contents |
CA1209827A (en) * | 1981-08-05 | 1986-08-19 | David S. Duvall | Overlay coatings with high yttrium contents |
US4419416A (en) * | 1981-08-05 | 1983-12-06 | United Technologies Corporation | Overlay coatings for superalloys |
US4514469A (en) * | 1981-09-10 | 1985-04-30 | United Technologies Corporation | Peened overlay coatings |
CA1212020A (en) * | 1981-09-14 | 1986-09-30 | David N. Duhl | Minor element additions to single crystals for improved oxidation resistance |
US4451299A (en) * | 1982-09-22 | 1984-05-29 | United Technologies Corporation | High temperature coatings by surface melting |
US5035958A (en) * | 1983-12-27 | 1991-07-30 | General Electric Company | Nickel-base superalloys especially useful as compatible protective environmental coatings for advanced superaloys |
US5043138A (en) * | 1983-12-27 | 1991-08-27 | General Electric Company | Yttrium and yttrium-silicon bearing nickel-base superalloys especially useful as compatible coatings for advanced superalloys |
GB2152082A (en) * | 1983-12-27 | 1985-07-31 | United Technologies Corp | Enhancement of superalloy resistance to environmental degradation |
US4677035A (en) * | 1984-12-06 | 1987-06-30 | Avco Corp. | High strength nickel base single crystal alloys |
US4711665A (en) * | 1985-07-26 | 1987-12-08 | Pennsylvania Research Corporation | Oxidation resistant alloy |
US4889589A (en) * | 1986-06-26 | 1989-12-26 | United Technologies Corporation | Gaseous removal of ceramic coatings |
US4729799A (en) * | 1986-06-30 | 1988-03-08 | United Technologies Corporation | Stress relief of single crystal superalloy articles |
US4842953A (en) * | 1986-11-28 | 1989-06-27 | General Electric Company | Abradable article, and powder and method for making |
US4937042A (en) * | 1986-11-28 | 1990-06-26 | General Electric Company | Method for making an abradable article |
US5277936A (en) * | 1987-11-19 | 1994-01-11 | United Technologies Corporation | Oxide containing MCrAlY-type overlay coatings |
US4758480A (en) * | 1987-12-22 | 1988-07-19 | United Technologies Corporation | Substrate tailored coatings |
US4851300A (en) * | 1988-05-09 | 1989-07-25 | United Technologies Corporation | Precoat for improving platinum thin film adhesion |
US5015502A (en) * | 1988-11-03 | 1991-05-14 | Allied-Signal Inc. | Ceramic thermal barrier coating with alumina interlayer |
US4916022A (en) * | 1988-11-03 | 1990-04-10 | Allied-Signal Inc. | Titania doped ceramic thermal barrier coatings |
US4944858A (en) * | 1988-12-08 | 1990-07-31 | United Technologies Corporation | Method for applying diffusion aluminide coating |
US5039477A (en) * | 1989-06-02 | 1991-08-13 | Sugitani Kinzoku Kogyo Kabushiki Kaisha | Powdered metal spray coating material |
DE3926479A1 (de) * | 1989-08-10 | 1991-02-14 | Siemens Ag | Rheniumhaltige schutzbeschichtung, mit grosser korrosions- und/oder oxidationsbestaendigkeit |
US5273712A (en) * | 1989-08-10 | 1993-12-28 | Siemens Aktiengesellschaft | Highly corrosion and/or oxidation-resistant protective coating containing rhenium |
US5582635A (en) * | 1990-08-10 | 1996-12-10 | Siemens Aktiengesellschaft | High temperature-resistant corrosion protection coating for a component in particular a gas turbine component |
KR930002869B1 (ko) * | 1990-12-31 | 1993-04-12 | 포항종합제철 주식회사 | 소둔가열로용 방열튜브 및 그 제조방법 |
WO1993013245A1 (en) * | 1991-12-24 | 1993-07-08 | Detroit Diesel Corporation | Thermal barrier coating and method of depositing the same on combustion chamber component surfaces |
US5538796A (en) * | 1992-10-13 | 1996-07-23 | General Electric Company | Thermal barrier coating system having no bond coat |
US6333121B1 (en) * | 1992-10-13 | 2001-12-25 | General Electric Company | Low-sulfur article having a platinum-aluminide protective layer and its preparation |
US5455119A (en) * | 1993-11-08 | 1995-10-03 | Praxair S.T. Technology, Inc. | Coating composition having good corrosion and oxidation resistance |
US5783318A (en) * | 1994-06-22 | 1998-07-21 | United Technologies Corporation | Repaired nickel based superalloy |
KR100259482B1 (ko) * | 1994-06-24 | 2000-06-15 | 로버트 에이. 바쎄트 | 전이금속-크롬-알루미늄-이트륨기저 코팅물의 제조방법 및 이를 포함한 기판 |
US5716720A (en) * | 1995-03-21 | 1998-02-10 | Howmet Corporation | Thermal barrier coating system with intermediate phase bondcoat |
EP0780484B1 (en) | 1995-12-22 | 2001-09-26 | General Electric Company | Thermal barrier coated articles and method for coating |
US5824423A (en) * | 1996-02-07 | 1998-10-20 | N.V. Interturbine | Thermal barrier coating system and methods |
US6422008B2 (en) | 1996-04-19 | 2002-07-23 | Engelhard Corporation | System for reduction of harmful exhaust emissions from diesel engines |
US5987882A (en) * | 1996-04-19 | 1999-11-23 | Engelhard Corporation | System for reduction of harmful exhaust emissions from diesel engines |
UA32758C2 (uk) * | 1998-03-23 | 2002-04-15 | Юнайтед Технолоджіз Корпорейшн Пратт Енд Уітні | Спосіб електронно-променевого одержання покриттів, вільних від лідерів |
US6306515B1 (en) * | 1998-08-12 | 2001-10-23 | Siemens Westinghouse Power Corporation | Thermal barrier and overlay coating systems comprising composite metal/metal oxide bond coating layers |
EP1094131B1 (en) * | 1999-10-23 | 2004-05-06 | ROLLS-ROYCE plc | A corrosion protective coating for a metallic article and a method of applying a corrosion protective coating to a metallic article |
US6365236B1 (en) | 1999-12-20 | 2002-04-02 | United Technologies Corporation | Method for producing ceramic coatings containing layered porosity |
US6607789B1 (en) | 2001-04-26 | 2003-08-19 | General Electric Company | Plasma sprayed thermal bond coat system |
US6655369B2 (en) | 2001-08-01 | 2003-12-02 | Diesel Engine Transformations Llc | Catalytic combustion surfaces and method for creating catalytic combustion surfaces |
JP2003147464A (ja) | 2001-11-02 | 2003-05-21 | Tocalo Co Ltd | 高温強度部材 |
US7141128B2 (en) * | 2002-08-16 | 2006-11-28 | Alstom Technology Ltd | Intermetallic material and use of this material |
JP4173762B2 (ja) * | 2003-04-04 | 2008-10-29 | 株式会社神戸製鋼所 | α型結晶構造主体のアルミナ皮膜の製造方法および積層皮膜被覆部材の製造方法 |
US6769878B1 (en) * | 2003-05-09 | 2004-08-03 | Power Systems Mfg. Llc | Turbine blade airfoil |
EP1541713A1 (de) * | 2003-12-11 | 2005-06-15 | Siemens Aktiengesellschaft | Metallische Schutzschicht |
EP1780294A1 (de) * | 2005-10-25 | 2007-05-02 | Siemens Aktiengesellschaft | Legierung, Schutzschicht zum Schutz eines Bauteils gegen Korrosion und Oxidation bei hohen Temperaturen und Bauteil |
EP1783236A1 (de) * | 2005-11-04 | 2007-05-09 | Siemens Aktiengesellschaft | Legierung, Schutzschicht zum Schutz eines Bauteils gegen Korrosion und/oder Oxidation bei hohen Temperaturen und Bauteil |
CN101365815B (zh) | 2005-12-28 | 2011-05-25 | 安萨尔多能源公司 | 用于制备保护涂层的合金组合物及其用途及应用方法以及涂覆有该组合物的高温合金制品 |
US20070207328A1 (en) | 2006-03-01 | 2007-09-06 | United Technologies Corporation | High density thermal barrier coating |
US20070248457A1 (en) * | 2006-04-25 | 2007-10-25 | General Electric Company | Rub coating for gas turbine engine compressors |
EP1925687A1 (de) * | 2006-11-24 | 2008-05-28 | Siemens Aktiengesellschaft | NiCoCrAI-Schicht und metallisches Schichtsystem |
US7879459B2 (en) * | 2007-06-27 | 2011-02-01 | United Technologies Corporation | Metallic alloy composition and protective coating |
US8043717B2 (en) * | 2007-09-14 | 2011-10-25 | Siemens Energy, Inc. | Combustion turbine component having rare earth CoNiCrAl coating and associated methods |
US7867626B2 (en) * | 2007-09-14 | 2011-01-11 | Siemens Energy, Inc. | Combustion turbine component having rare earth FeCrAI coating and associated methods |
US8039117B2 (en) * | 2007-09-14 | 2011-10-18 | Siemens Energy, Inc. | Combustion turbine component having rare earth NiCoCrAl coating and associated methods |
US8043718B2 (en) * | 2007-09-14 | 2011-10-25 | Siemens Energy, Inc. | Combustion turbine component having rare earth NiCrAl coating and associated methods |
DE102007048484A1 (de) | 2007-10-09 | 2009-04-16 | Man Turbo Ag | Heißgasgeführte Komponente einer Strömungsmaschine |
US20100068405A1 (en) * | 2008-09-15 | 2010-03-18 | Shinde Sachin R | Method of forming metallic carbide based wear resistant coating on a combustion turbine component |
EP2216421A1 (de) * | 2009-01-29 | 2010-08-11 | Siemens Aktiengesellschaft | Legierung, Schutzschicht und Bauteil |
WO2011042052A1 (en) * | 2009-10-07 | 2011-04-14 | Siemens Aktiengesellschaft | Component with a substrate and a protective layer |
JP2013520567A (ja) * | 2010-02-26 | 2013-06-06 | シーメンス アクティエンゲゼルシャフト | 2層金属ボンドコート |
US20130157078A1 (en) * | 2011-12-19 | 2013-06-20 | General Electric Company | Nickel-Cobalt-Based Alloy And Bond Coat And Bond Coated Articles Incorporating The Same |
US20130323066A1 (en) * | 2012-05-31 | 2013-12-05 | Monika D. Kinstler | Maskant for fluoride ion cleaning |
EP2971243B1 (en) * | 2013-03-13 | 2020-02-26 | General Electric Company | Coatings for metallic substrates |
DE102013209189A1 (de) * | 2013-05-17 | 2014-11-20 | Siemens Aktiengesellschaft | Schutzbeschichtung und Gasturbinenkomponente mit der Schutzbeschichtung |
EP3071732B1 (en) * | 2013-11-19 | 2019-11-13 | United Technologies Corporation | Article having variable composition coating |
CN111560584A (zh) * | 2020-05-22 | 2020-08-21 | 江苏大学 | 一种航空发动机叶片高性能热障涂层及多工艺组合制备方法 |
CN114807823B (zh) * | 2022-04-13 | 2023-04-07 | 四川大学 | 一种燃气轮机热端部件用高温防护涂层制备方法 |
US20240052499A1 (en) | 2022-08-09 | 2024-02-15 | Zhihong Tang | High performance alumina-forming multi- element materials for high temperature applications |
CN115747795B (zh) * | 2022-12-05 | 2024-03-26 | 江苏大学 | 一种高服役寿命的热障涂层粘结层及其制备方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB734210A (en) * | 1952-12-09 | 1955-07-27 | Rolls Royce | Improvements relating to processes of manufacturing turbine blades from heat-resisting alloys |
US3754902A (en) * | 1968-06-05 | 1973-08-28 | United Aircraft Corp | Nickel base superalloy resistant to oxidation erosion |
US3649225A (en) * | 1969-11-17 | 1972-03-14 | United Aircraft Corp | Composite coating for the superalloys |
US3754903A (en) * | 1970-09-15 | 1973-08-28 | United Aircraft Corp | High temperature oxidation resistant coating alloy |
US3676085A (en) * | 1971-02-18 | 1972-07-11 | United Aircraft Corp | Cobalt base coating for the superalloys |
-
1974
- 1974-05-13 US US469186A patent/US3928026A/en not_active Expired - Lifetime
-
1975
- 1975-02-24 CA CA220,942A patent/CA1045421A/en not_active Expired
- 1975-04-19 CH CH498775A patent/CH606454A5/xx not_active IP Right Cessation
- 1975-04-28 IL IL47181A patent/IL47181A/en unknown
- 1975-05-06 DE DE2520192A patent/DE2520192C2/de not_active Expired
- 1975-05-07 SE SE7505339A patent/SE410476B/xx not_active IP Right Cessation
- 1975-05-07 JP JP50055366A patent/JPS5919977B2/ja not_active Expired
- 1975-05-07 FR FR7514277A patent/FR2271299B1/fr not_active Expired
- 1975-05-13 IT IT23242/75A patent/IT1038126B/it active
- 1975-05-13 GB GB20193/75A patent/GB1489796A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2520192C2 (de) | 1986-02-06 |
JPS50158531A (it) | 1975-12-22 |
GB1489796A (en) | 1977-10-26 |
JPS5919977B2 (ja) | 1984-05-10 |
SE7505339L (sv) | 1975-11-14 |
FR2271299B1 (it) | 1978-06-09 |
IL47181A0 (en) | 1975-08-31 |
CH606454A5 (it) | 1978-10-31 |
SE410476B (sv) | 1979-10-15 |
US3928026A (en) | 1975-12-23 |
IL47181A (en) | 1977-07-31 |
CA1045421A (en) | 1979-01-02 |
DE2520192A1 (de) | 1975-11-27 |
FR2271299A1 (it) | 1975-12-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19940429 |