SE423739B - Forfarande for framstellning av ett komposit-turbinhjul - Google Patents
Forfarande for framstellning av ett komposit-turbinhjulInfo
- Publication number
- SE423739B SE423739B SE7607319A SE7607319A SE423739B SE 423739 B SE423739 B SE 423739B SE 7607319 A SE7607319 A SE 7607319A SE 7607319 A SE7607319 A SE 7607319A SE 423739 B SE423739 B SE 423739B
- Authority
- SE
- Sweden
- Prior art keywords
- procedure
- manufacturing
- turbine wheel
- composite turbine
- composite
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/34—Rotor-blade aggregates of unitary construction, e.g. formed of sheet laminae
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/04—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of turbine blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/006—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass turbine wheels
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
- Y10T29/4932—Turbomachine making
- Y10T29/49321—Assembling individual fluid flow interacting members, e.g., blades, vanes, buckets, on rotary support member
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Powder Metallurgy (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/590,797 US4063939A (en) | 1975-06-27 | 1975-06-27 | Composite turbine wheel and process for making same |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7607319L SE7607319L (sv) | 1976-12-28 |
SE423739B true SE423739B (sv) | 1982-05-24 |
Family
ID=24363759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7607319A SE423739B (sv) | 1975-06-27 | 1976-06-24 | Forfarande for framstellning av ett komposit-turbinhjul |
Country Status (10)
Country | Link |
---|---|
US (1) | US4063939A (de) |
JP (1) | JPS5854163B2 (de) |
BE (1) | BE843451A (de) |
CA (1) | CA1045798A (de) |
DE (1) | DE2628582C3 (de) |
FR (1) | FR2317502A1 (de) |
GB (1) | GB1542895A (de) |
IL (1) | IL49845A (de) |
IT (1) | IT1061927B (de) |
SE (1) | SE423739B (de) |
Families Citing this family (82)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6416596B1 (en) | 1974-07-17 | 2002-07-09 | The General Electric Company | Cast nickel-base alloy |
GB1582651A (en) * | 1977-04-01 | 1981-01-14 | Rolls Royce | Products formed by powder metallurgy and a method therefore |
US4152816A (en) * | 1977-06-06 | 1979-05-08 | General Motors Corporation | Method of manufacturing a hybrid turbine rotor |
US4368074A (en) * | 1977-12-09 | 1983-01-11 | Aluminum Company Of America | Method of producing a high temperature metal powder component |
DE2834222C3 (de) * | 1978-08-04 | 1981-08-27 | MTU Motoren- und Turbinen-Union München GmbH, 8000 München | Verfahren zur Herstellung der Schaufel-Scheiben-Verbindung eines Turborotors |
JPS5575504A (en) * | 1978-11-30 | 1980-06-06 | Toshiba Corp | Method of assembling blade to hub of ceramic turbine rotor |
US4464094A (en) * | 1979-05-04 | 1984-08-07 | Trw Inc. | Turbine engine component and method of making the same |
JPS5611616A (en) * | 1979-07-06 | 1981-02-05 | Mitsubishi Electric Corp | Magnetic head |
US4323394A (en) * | 1979-08-06 | 1982-04-06 | Motoren-Und Turbinen-Union Munchen Gmbh | Method for manufacturing turborotors such as gas turbine rotor wheels, and wheel produced thereby |
US4265105A (en) * | 1979-11-01 | 1981-05-05 | United Technologies Corporation | Forging apparatus |
US4252011A (en) * | 1979-11-01 | 1981-02-24 | United Technologies Corporation | Die assembly for use in forging operation |
US4312211A (en) * | 1979-11-01 | 1982-01-26 | United Technologies Corporation | Forging method and apparatus |
JPS5696002A (en) * | 1979-12-29 | 1981-08-03 | Kobe Steel Ltd | Powder molding method of irregular shaped article |
CA1156562A (en) * | 1980-06-23 | 1983-11-08 | George S. Hoppin, Iii | Dual alloy turbine wheels |
US4663241A (en) * | 1980-09-08 | 1987-05-05 | United Technologies Corporation | Powder metal disk with selective fatigue strengthening |
US4398952A (en) * | 1980-09-10 | 1983-08-16 | Reed Rock Bit Company | Methods of manufacturing gradient composite metallic structures |
SE446606B (sv) * | 1981-08-27 | 1986-09-29 | Stal Laval Turbin Ab | Sett att framstella skovelringar och skivor med skovlar for roterande maskiner sasom kompressorer eller turbiner |
US4479293A (en) * | 1981-11-27 | 1984-10-30 | United Technologies Corporation | Process for fabricating integrally bladed bimetallic rotors |
US4492737A (en) * | 1982-03-05 | 1985-01-08 | Rolls-Royce Limited | Composite metallic and non-metallic articles |
US4526747A (en) * | 1982-03-18 | 1985-07-02 | Williams International Corporation | Process for fabricating parts such as gas turbine compressors |
JPS58210302A (ja) * | 1982-05-31 | 1983-12-07 | Ngk Insulators Ltd | セラミツクロ−タ− |
IT1164343B (it) * | 1982-08-14 | 1987-04-08 | Mtu Muenchen Gmbh | Disposizione di componenti discreti, specialmente scambiatori di calore |
DE3241926A1 (de) * | 1982-11-12 | 1984-05-17 | MTU Motoren- und Turbinen-Union München GmbH, 8000 München | Verbindung eines keramischen rotationsbauteils mit einem metallischen rotationsbauteil fuer stroemungsmaschinen, insbesondere gasturbinentriebwerke |
US4538331A (en) * | 1983-02-14 | 1985-09-03 | Williams International Corporation | Method of manufacturing an integral bladed turbine disk |
US4494287A (en) * | 1983-02-14 | 1985-01-22 | Williams International Corporation | Method of manufacturing a turbine rotor |
US4573876A (en) * | 1983-02-14 | 1986-03-04 | Williams International Corporation | Integral bladed disk |
US4592120A (en) * | 1983-02-14 | 1986-06-03 | Williams International Corporation | Method for manufacturing a multiple property integral turbine wheel |
US4587700A (en) * | 1984-06-08 | 1986-05-13 | The Garrett Corporation | Method for manufacturing a dual alloy cooled turbine wheel |
US4659288A (en) * | 1984-12-10 | 1987-04-21 | The Garrett Corporation | Dual alloy radial turbine rotor with hub material exposed in saddle regions of blade ring |
US4680160A (en) * | 1985-12-11 | 1987-07-14 | Trw Inc. | Method of forming a rotor |
SE456322B (sv) * | 1986-03-04 | 1988-09-26 | Asea Stal Ab | Sett vid tillverkning av metallprodukter genom hetisostatpressning av pulver med anvendande av kernor |
US4735656A (en) * | 1986-12-29 | 1988-04-05 | United Technologies Corporation | Abrasive material, especially for turbine blade tips |
FR2610856B1 (fr) * | 1987-02-18 | 1990-04-13 | Snecma | Procede d'assemblage de pieces en superalliages a base de nickel par frittage en phase liquide et compaction isostatique a chaud |
US4864706A (en) * | 1987-08-12 | 1989-09-12 | United Technologies Corporation | Fabrication of dual alloy integrally bladed rotors |
US5312650A (en) * | 1988-01-12 | 1994-05-17 | Howmet Corporation | Method of forming a composite article by metal spraying |
US4883216A (en) * | 1988-03-28 | 1989-11-28 | General Electric Company | Method for bonding an article projection |
US4907947A (en) * | 1988-07-29 | 1990-03-13 | Allied-Signal Inc. | Heat treatment for dual alloy turbine wheels |
US5383768A (en) * | 1989-02-03 | 1995-01-24 | Hitachi, Ltd. | Steam turbine, rotor shaft thereof, and heat resisting steel |
US5100050A (en) * | 1989-10-04 | 1992-03-31 | General Electric Company | Method of manufacturing dual alloy turbine disks |
DE4219470A1 (de) * | 1992-06-13 | 1993-12-16 | Asea Brown Boveri | Bauteil für hohe Temperaturen, insbesondere Turbinenschaufel, und Verfahren zur Herstellung dieses Bauteils |
DE4219469A1 (de) * | 1992-06-13 | 1993-12-16 | Asea Brown Boveri | Hohen Temperaturen aussetzbares Bauteil, insbesondere Turbinenschaufel, und Verfahren zur Herstellung dieses Bauteils |
DE4319727C2 (de) * | 1993-06-15 | 1996-08-29 | Mtu Muenchen Gmbh | Verfahren zur Herstellung eines Schaufelringes für einen trommelartig aufgebauten Rotor, insbesondere Verdichterrotor einer Turbomaschine |
JPH1023696A (ja) * | 1996-07-01 | 1998-01-23 | Sankyo Seiki Mfg Co Ltd | スピンドルモータおよびその製造方法 |
US5755031A (en) * | 1996-11-12 | 1998-05-26 | United Technologies Corporation | Method for attaching a rotor blade to an integrally bladed rotor |
DE10244192A1 (de) * | 2002-09-23 | 2004-04-01 | Rolls-Royce Deutschland Ltd & Co Kg | Gasturbine mit Vorrichtung zur Arbeitsentnahme zur Kühlung von Scheiben |
US6786383B2 (en) * | 2002-11-14 | 2004-09-07 | Kimberly-Clark Worldwide, Inc. | Ultrasonic horn assembly with fused stack components |
US6766937B2 (en) * | 2002-12-20 | 2004-07-27 | Kimberly-Clark Worldwide, Inc. | Ultrasonic rotary horn repair |
DE10343781B4 (de) * | 2003-09-22 | 2009-02-12 | Mtu Aero Engines Gmbh | Verfahren zur Herstellung von Bauteilen |
US7153112B2 (en) * | 2003-12-09 | 2006-12-26 | Dresser-Rand Company | Compressor and a method for compressing fluid |
FR2868467B1 (fr) * | 2004-04-05 | 2006-06-02 | Snecma Moteurs Sa | Carter de turbine a crochets refractaires obtenu par procede mdp |
US7560065B2 (en) * | 2004-10-08 | 2009-07-14 | Igor Troitski | Method and system for manufacturing of multi-component complex shape parts consisting of monolithic and powder materials working at different performance conditions |
GB2424200B (en) * | 2005-03-17 | 2007-10-24 | Rolls Royce Plc | Apparatus and method of manufacture of a component by hot isostatic pressing |
CN100467204C (zh) * | 2005-04-25 | 2009-03-11 | 天津亨深机械制造有限公司 | 绳轮挤压成型工艺 |
US20090068016A1 (en) * | 2007-04-20 | 2009-03-12 | Honeywell International, Inc. | Shrouded single crystal dual alloy turbine disk |
US8028812B2 (en) * | 2007-07-23 | 2011-10-04 | Gerald Martino | Brake rotors for vehicles |
US7806243B2 (en) * | 2007-07-23 | 2010-10-05 | Gerald Martino | Vehicular brake rotors |
US20090035169A1 (en) * | 2007-08-03 | 2009-02-05 | Honda Motor Co., Ltd. | Dual metal torque transmitting apparatuses and methods for making the same |
US8128865B2 (en) * | 2007-10-31 | 2012-03-06 | Solar Turbines Inc. | Process of making a shrouded impeller |
DE112009000504T5 (de) * | 2008-03-04 | 2011-03-17 | Irwin Industrial Tool Co. | Werkzeuge mit Arbeitsoberflächen aus verdichtetem Pulvermetall und Verfahren |
US8083011B2 (en) * | 2008-09-29 | 2011-12-27 | Sreshta Harold A | Matrix turbine sleeve and method for making same |
DK2236229T3 (en) * | 2009-04-02 | 2015-10-05 | Sandvik Intellectual Property | A process for preparing a powder-based article |
GB0905731D0 (en) * | 2009-04-03 | 2009-05-20 | Eads Uk Ltd | Hybrid component |
FR2944724B1 (fr) * | 2009-04-24 | 2012-01-20 | Snecma | Procede de fabrication d'un ensemble comprenant une pluralite d'aubes montees dans une plateforme |
GB0920697D0 (en) * | 2009-11-26 | 2010-01-13 | Rolls Royce Plc | Method of manufacturing a multiple composition component |
US8801388B2 (en) * | 2010-12-20 | 2014-08-12 | Honeywell International Inc. | Bi-cast turbine rotor disks and methods of forming same |
US8721290B2 (en) * | 2010-12-23 | 2014-05-13 | General Electric Company | Processes for producing components containing ceramic-based and metallic materials |
US9228445B2 (en) | 2010-12-23 | 2016-01-05 | General Electric Company | Turbine airfoil components containing ceramic-based materials and processes therefor |
US8918996B2 (en) * | 2011-05-04 | 2014-12-30 | General Electric Company | Components and processes of producing components with regions having different grain structures |
RU2502601C1 (ru) * | 2012-04-10 | 2013-12-27 | Открытое акционерное общество Институт технологии и организации производства (ОАО НИИТ) | Способ получения рабочего колеса компрессора |
US11448230B2 (en) | 2014-05-26 | 2022-09-20 | Nuovo Pignone Tecnologie S.r.l. | Method for manufacturing a turbomachine component |
DK3148733T3 (da) * | 2014-05-30 | 2024-01-02 | Nuovo Pignone Tecnologie Srl | Fremgangsmåde til fremstilling af en komponent til en turbomaskine |
US20160221077A1 (en) * | 2015-01-30 | 2016-08-04 | United Technologies Corpoation | Bondcasting process using investment and sand casting |
RU2617752C2 (ru) * | 2015-08-10 | 2017-04-26 | Владимир Александрович Грибановский | Рабочее колесо вентилятора и компрессора и способ его изготовления из композиционного материала |
US20170198592A1 (en) * | 2016-01-11 | 2017-07-13 | General Electric Company | Methods for mounting a turbine subcomponent to a turbine component |
CN106363363A (zh) * | 2016-11-12 | 2017-02-01 | 湘潭大学 | 一种钢质叶轮半固态触变锻造成形工艺 |
WO2018148110A1 (en) * | 2017-02-08 | 2018-08-16 | Borgwarner Inc. | New alloys for turbocharger components |
US11565352B2 (en) * | 2019-11-15 | 2023-01-31 | Rolls-Royce Corporation | Techniques and assemblies for joining components using solid retainer materials |
FR3105048B1 (fr) | 2019-12-20 | 2022-08-05 | Safran | Solution de fabrication d'un disque aubage monobloc |
US11043352B1 (en) | 2019-12-20 | 2021-06-22 | Varex Imaging Corporation | Aligned grain structure targets, systems, and methods of forming |
DE102020133998A1 (de) * | 2020-12-17 | 2022-06-23 | Rolls-Royce Deutschland Ltd & Co Kg | Schaufelbauteil, Verfahren zu dessen Herstellung und Gasturbine |
CN115070044B (zh) * | 2021-03-10 | 2024-04-19 | 中国航发商用航空发动机有限责任公司 | 一种gh4169和ta19同种、异种材料多级转子组件及其制备方法 |
CN113145851A (zh) * | 2021-04-09 | 2021-07-23 | 中国航发北京航空材料研究院 | 一种粉末冶金钛铝基双合金叶盘的制备方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2431660A (en) * | 1944-12-01 | 1947-11-25 | Bbc Brown Boveri & Cie | Turbine blade |
US2769611A (en) * | 1951-08-15 | 1956-11-06 | Schwarzkopf Dev Co | Gas turbine rotors and their production |
US2757446A (en) * | 1952-06-04 | 1956-08-07 | Gen Motors Corp | Method of manufacture of articles from metal powders |
US2894318A (en) * | 1952-10-08 | 1959-07-14 | Gen Electric | Turbomachine bucket-wheel fabricated by casting |
US2941933A (en) * | 1959-11-30 | 1960-06-21 | William E Roake | Fuel element for nuclear reactor |
US3684498A (en) * | 1968-02-09 | 1972-08-15 | Friedrich Heck | Process for sinter cladding metal supports |
US3655458A (en) * | 1970-07-10 | 1972-04-11 | Federal Mogul Corp | Process for making nickel-based superalloys |
US3698962A (en) * | 1971-04-30 | 1972-10-17 | Crucible Inc | Method for producing superalloy articles by hot isostatic pressing |
US3837068A (en) * | 1971-06-14 | 1974-09-24 | Federal Mogul Corp | Method of making a composite high-strength sleeve |
US3770332A (en) * | 1971-06-14 | 1973-11-06 | Federal Mogul Corp | Composite heavy-duty bushing and method of making the same |
US3803702A (en) * | 1972-06-27 | 1974-04-16 | Crucible Inc | Method of fabricating a composite steel article |
US3888663A (en) * | 1972-10-27 | 1975-06-10 | Federal Mogul Corp | Metal powder sintering process |
US3844778A (en) * | 1973-04-12 | 1974-10-29 | Crucible Inc | Method for producing grooved alloy structures |
US3940268A (en) * | 1973-04-12 | 1976-02-24 | Crucible Inc. | Method for producing rotor discs |
DE2362469A1 (de) * | 1973-12-15 | 1975-06-19 | Daimler Benz Ag | Verfahren zum verbinden keramischer bauteile |
-
1975
- 1975-06-27 US US05/590,797 patent/US4063939A/en not_active Expired - Lifetime
-
1976
- 1976-06-21 IL IL49845A patent/IL49845A/xx unknown
- 1976-06-22 GB GB25786/76A patent/GB1542895A/en not_active Expired
- 1976-06-24 SE SE7607319A patent/SE423739B/xx unknown
- 1976-06-25 DE DE2628582A patent/DE2628582C3/de not_active Expired
- 1976-06-25 BE BE168353A patent/BE843451A/xx not_active IP Right Cessation
- 1976-06-25 IT IT7650175A patent/IT1061927B/it active
- 1976-06-25 FR FR7619453A patent/FR2317502A1/fr active Granted
- 1976-06-25 CA CA255,705A patent/CA1045798A/en not_active Expired
- 1976-06-28 JP JP51076307A patent/JPS5854163B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1542895A (en) | 1979-03-28 |
JPS5854163B2 (ja) | 1983-12-03 |
DE2628582C3 (de) | 1981-12-24 |
US4063939A (en) | 1977-12-20 |
CA1045798A (en) | 1979-01-09 |
IL49845A0 (en) | 1976-08-31 |
DE2628582A1 (de) | 1977-01-20 |
FR2317502B1 (de) | 1982-11-19 |
BE843451A (fr) | 1976-12-27 |
JPS527311A (en) | 1977-01-20 |
DE2628582B2 (de) | 1981-04-16 |
IT1061927B (it) | 1983-04-30 |
IL49845A (en) | 1979-11-30 |
SE7607319L (sv) | 1976-12-28 |
FR2317502A1 (fr) | 1977-02-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE423739B (sv) | Forfarande for framstellning av ett komposit-turbinhjul | |
NO145873C (no) | Fremgangsmaate ved fremstilling av et laminat | |
SE419136B (sv) | Forfarande for framstellning av en plantryckform | |
SE448790B (sv) | Forfarande for framstellning av ett dokument | |
SE407436B (sv) | Turbinhjul for en gasturbinmotor | |
AR209200A1 (es) | Una turbina de gas | |
SE425274B (sv) | Forfarande for framstellning av ett batteriseparatorholje | |
NO148513C (no) | Fremgangsmaate ved fremstilling av en glidefri plastfolie | |
SE426780B (sv) | Forfarande for framstellning av ett cefalexinpreparat | |
SE426595B (sv) | Forfarande for framstellning av cellulosaetrar | |
SE7705034L (sv) | Forfarande for framstellning av en berarbana | |
SE433518B (sv) | Skovelhjul eller skovelhjulselement for en gasturbin av radialtyp | |
SE432250B (sv) | Forfarande for framstellning av ett kinazolinderivat | |
SE7602945L (sv) | Forfarande for tillverkning av ett gjutstycke | |
FR2336604A1 (fr) | Volant a tissage polaire | |
SE7608206L (sv) | Forfarande for framstellning av ett rabiesvaccin | |
SE7502749L (sv) | Lophjul for axialturbin | |
SE7610913L (sv) | Forfaringssett for framstellning av ett cylinderkugghjulspar - kuggbearbetningsmaskin for genomforande av forfaringssettet - enligt forfaringssettet framstellt kugghjulspar | |
SE7600897L (sv) | System for produktion av cigarrettpaket | |
SE7709908L (sv) | Skiva for teckning av ett fordonsfonster | |
NO142247C (no) | Stoepeform for fremstilling av et sammensatt produkt | |
SE427536B (sv) | Forfarande for valsning av ett emne jemte reverservalsverk for genomforande av forfarandet | |
SE7605751L (sv) | Forfarande for framstellning av en bensotiazinforening | |
NO142248C (no) | Maskin for fremstilling av sammensatte artikler | |
SE447373B (sv) | Forfarande for framstellning av ett fergat, belagt glasforemal |