FI69780C - Ihaolig av delar hopsatt utspraongsspindel vars yttre yta emellertid aer enhetlig och som kan avlaegsnas fraon en faerdig vingstolpe och foerfarande foer tillverkning av denna - Google Patents
Ihaolig av delar hopsatt utspraongsspindel vars yttre yta emellertid aer enhetlig och som kan avlaegsnas fraon en faerdig vingstolpe och foerfarande foer tillverkning av denna Download PDFInfo
- Publication number
- FI69780C FI69780C FI800236A FI800236A FI69780C FI 69780 C FI69780 C FI 69780C FI 800236 A FI800236 A FI 800236A FI 800236 A FI800236 A FI 800236A FI 69780 C FI69780 C FI 69780C
- Authority
- FI
- Finland
- Prior art keywords
- spindle
- och
- fiber
- thick end
- shell
- Prior art date
Links
- 238000004804 winding Methods 0.000 claims description 16
- 239000000835 fiber Substances 0.000 claims description 14
- 229920005989 resin Polymers 0.000 claims description 10
- 239000011347 resin Substances 0.000 claims description 10
- 239000011230 binding agent Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 2
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 230000007423 decrease Effects 0.000 claims 1
- 239000011521 glass Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920000271 Kevlar® Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 239000004761 kevlar Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000003389 potentiating effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/82—Cores or mandrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
- B29L2031/082—Blades, e.g. for helicopters
- B29L2031/085—Wind turbine blades
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- 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
- Y10T29/49336—Blade making
-
- 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2973—Particular cross section
- Y10T428/2975—Tubular or cellular
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Sustainable Development (AREA)
- General Engineering & Computer Science (AREA)
- Moulding By Coating Moulds (AREA)
- Wind Motors (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Adornments (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Claims (5)
1. Ihilig, av delar hopsatt utsprangsspindel, vars yttre yta emellertid är enhetlig och som kan avlägsnas fran en färdig vingstolpe, för att användas ovanpa denna vid framställning av vingstolpar för stora vindturbiner i en lindningsmekanism utan att spindeln blir en del av nämnda stolpar, vllken splndel smalnar av frln tjockänden till spetsänden, vilken spindel har kopp-lingsdon (32,40) vid dess tjockände och spetsände för montering av spindeln vridbart pa nämnda lindningsmekanism, kännetecknad därav, att spindeln innefattar ett rörformigt inre skal (20) som bestär av tva ihaliga avsmalnande cylinderhalvor (14,16) av fiberförstärkt hartsbindemedel, vars tvärsnitt smalnar av fran tjockänden till spetsänden, varvid cylinderhalvorna (14,16) är ihoplimmade, samt ett yttre skal av fiberförstärkt hartsbindemedel, som är fastlimmat vid den yttre ytan av det inre skalet (20) , varvid det inre och det yttre skalet bildar en avsmalnande spindelvägg, vars väggtjocklek växlar.
2. Spindel enligt patentkravet 1, kännetecknad därav, att spindelväggen avtar i tjocklek fran tjockänden till spetsänden.
3. Spindel enligt patentkravet 1 eller 2, kännetecknad därav, att kopplingsdonet (32) vid tjockänden innefattar ett par koncentriska ringar (36,38), som är fastspända vid spindelväggens tjockände.
4. Spindel enligt nagot av patentkraven 1-3, kännetecknad därav, att spindelväggen är försedd med ett flertal hai (42).
5. Förfarande för framställning av en ihälig, av delar hopsatt spindel enligt patentkravet 1, vars yttre yta emellertid är enhetlig och som kan avlägsnas fran en färdig vingstolpe, kännetecknat därav, att man i filmform breder ut fiberförstärkt hartsbindemedel i ett par formar (10 och 12) för framställning av inre sylinderhalvor (14,16), som är spegelbilder av varandra och vars tvärsnitt smalnar av fran tjockänden tili spetsänden, att man limmar halvorna (14,16) ihop för att bllda ett ihäligt, avsmalnande cylinderformigt inre skal (20), breder ut f iberförstärkt hartsbindemedel pä den yttre ytan av det inre skalet (20) för att bilda ett avsmalnande cylinderformigt yttre skal, som är fullständigt limmat vid nämnda inre skal (20),
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US970679 | 1979-02-02 | ||
| US06/009,706 US4242160A (en) | 1979-02-02 | 1979-02-02 | Method of winding a wind turbine blade using a filament reinforced mandrel |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI800236A7 FI800236A7 (fi) | 1980-08-03 |
| FI69780B FI69780B (fi) | 1985-12-31 |
| FI69780C true FI69780C (fi) | 1986-05-26 |
Family
ID=21739248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI800236A FI69780C (fi) | 1979-02-02 | 1980-01-28 | Ihaolig av delar hopsatt utspraongsspindel vars yttre yta emellertid aer enhetlig och som kan avlaegsnas fraon en faerdig vingstolpe och foerfarande foer tillverkning av denna |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US4242160A (sv) |
| JP (1) | JPS55105531A (sv) |
| KR (1) | KR860002142B1 (sv) |
| AU (1) | AU528170B2 (sv) |
| BR (1) | BR8000364A (sv) |
| CA (1) | CA1122125A (sv) |
| DE (1) | DE3002685C2 (sv) |
| DK (1) | DK22880A (sv) |
| FI (1) | FI69780C (sv) |
| FR (1) | FR2448048A1 (sv) |
| GB (1) | GB2040871B (sv) |
| IL (1) | IL59111A (sv) |
| IN (1) | IN154084B (sv) |
| IT (1) | IT1129791B (sv) |
| NL (1) | NL8000262A (sv) |
| NO (1) | NO155823B (sv) |
| SE (1) | SE446474B (sv) |
| ZA (1) | ZA80128B (sv) |
Families Citing this family (56)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3103710C2 (de) * | 1981-02-04 | 1983-03-24 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | "Rotor in Schalenbauweise" |
| DE3114567A1 (de) * | 1981-04-10 | 1982-10-28 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | "grossflaechiges rotorblatt" |
| JPS58132539A (ja) * | 1982-02-02 | 1983-08-06 | Bridgestone Corp | 円筒状ゴムスリーブの製造方法及び製造装置 |
| GB2154541A (en) * | 1984-02-25 | 1985-09-11 | Ford Motor Co | Filament winding of articles on retained mandrel of complex shape |
| CH665385A5 (de) * | 1984-03-09 | 1988-05-13 | Hobas Eng & Durotec Ag | Einrichtung zum herstellen einer dichtungsmuffe fuer rohre. |
| US4621980A (en) * | 1984-09-19 | 1986-11-11 | United Technologies Corporation | Fiber reinforced composite spar for a rotary wing aircraft |
| IT1177395B (it) * | 1984-12-12 | 1987-08-26 | Dino Piccoli | Apparecchiatura per la produzione in discontinuo di strutture tubolari |
| US4671831A (en) * | 1985-08-26 | 1987-06-09 | Edo Corporation Fiber Science Division | Method of manufacture of large high pressure composite bottles |
| US4684423A (en) * | 1986-02-10 | 1987-08-04 | Edo Corporation/Fiber Science Division | Method fabricating a collapsible mandrel structure to be used in manufacturing reinforced hollow tanks |
| US4986675A (en) * | 1989-06-12 | 1991-01-22 | Eaton Indiana, Inc. | Self-aligning bearing |
| US5335167A (en) * | 1992-05-27 | 1994-08-02 | Boyd John W | Filament winding apparatus |
| FR2713978B1 (fr) * | 1993-12-20 | 1996-03-15 | Inst Francais Du Petrole | Mandrin pour enroulement filamentaire - Application à la fabrication de profilés cintrés. |
| DE29618525U1 (de) * | 1996-10-24 | 1997-05-15 | aerodyn Energiesysteme GmbH, 24768 Rendsburg | Blattflansch für Rotorblätter von Windkraftanlagen |
| FR2774325B1 (fr) * | 1998-02-05 | 2000-03-17 | Alexandre Hamlyn | Procede de fabrication de corps flottants et embarcations nautiques mandrins et appareils pour cette fabrication |
| ATE234713T1 (de) | 1998-07-03 | 2003-04-15 | Bonus Energy As | Verfahren zum herstellen geschlossener strukturen aus verbundwerkstoff und formgerät zur benutzung in diesem verfahren |
| DE10034958A1 (de) * | 2000-07-19 | 2002-02-07 | Aloys Wobben | Rotorblattnabe |
| DE102004049098A1 (de) * | 2004-10-08 | 2006-04-13 | Eew Maschinenbau Gmbh | Rotorblatt für eine Windenergieanlage |
| FR2882681B1 (fr) | 2005-03-03 | 2009-11-20 | Coriolis Composites | Tete d'application de fibres et machine correspondante |
| WO2007012201A1 (en) * | 2005-07-25 | 2007-02-01 | The University Of Manitoba | Composite wind tower systems and methods of manufacture |
| DE602005018207D1 (de) * | 2005-09-09 | 2010-01-21 | Saab Ab | Verwendung eines spiralförmigen Werkzeugs und Verfahren zur Herstellung eines Flächenelements mit mindestens einem Versteifungsteil |
| US7766625B2 (en) * | 2006-03-31 | 2010-08-03 | General Electric Company | Methods and apparatus for reducing stress in turbine buckets |
| US7815160B2 (en) * | 2006-04-04 | 2010-10-19 | A & P Technology | Composite mandrel |
| US8691037B2 (en) * | 2006-12-14 | 2014-04-08 | The Boeing Company | Method for minimizing fiber distortion during fabrication of one-piece composite barrel section |
| FR2912680B1 (fr) * | 2007-02-21 | 2009-04-24 | Coriolis Composites Sa | Procede et dispositif de fabrication de pieces en materiau composite, en particulier de troncons de fuselage d'avion |
| FR2912953B1 (fr) * | 2007-02-28 | 2009-04-17 | Coriolis Composites Sa | Machine d'application de fibres avec tubes flexibles d'acheminement de fibres |
| FR2913365B1 (fr) * | 2007-03-06 | 2013-07-26 | Coriolis Composites Attn Olivier Bouroullec | Tete d'application de fibres avec systemes de coupe de fibres particuliers |
| FR2913366B1 (fr) * | 2007-03-06 | 2009-05-01 | Coriolis Composites Sa | Tete d'application de fibres avec systemes de coupe et de blocage de fibres particuliers |
| US7815839B2 (en) | 2007-07-25 | 2010-10-19 | United Technologies Corporation | Hybrid mandrels |
| ATE516947T1 (de) | 2008-05-05 | 2011-08-15 | Siemens Ag | Verfahren zur herstellung von windturbinenschaufeln mit verbundwerkstoffen |
| FR2943943A1 (fr) * | 2009-04-02 | 2010-10-08 | Coriolis Composites | Procede et machine pour l'application d'une bande de fibres sur des surfaces convexes et/ou avec aretes |
| FR2948058B1 (fr) * | 2009-07-17 | 2011-07-22 | Coriolis Composites | Machine d'application de fibres comprenant un rouleau de compactage souple avec systeme de regulation thermique |
| FR2948059B1 (fr) * | 2009-07-17 | 2011-08-05 | Coriolis Composites | Machine d'application de fibres avec rouleau de compactage transparent au rayonnement du systeme de chauffage |
| US20110100540A1 (en) * | 2009-10-30 | 2011-05-05 | General Electric Company | Methods of manufacture of wind turbine blades and other structures |
| US20110103965A1 (en) * | 2009-10-30 | 2011-05-05 | General Electric Company | Wind turbine blades |
| EP2354106A1 (en) | 2010-02-05 | 2011-08-10 | 3B | Glass fibre composition and composite material reinforced therewith |
| EP2354105A1 (en) | 2010-02-05 | 2011-08-10 | 3B | Glass fibre composition and composite material reinforced therewith |
| EP2354104A1 (en) | 2010-02-05 | 2011-08-10 | 3B | Glass fibre composition and composite material reinforced therewith |
| ES2398553B1 (es) * | 2011-02-24 | 2014-02-06 | Gamesa Innovation & Technology S.L. | Una pala de aerogenerador multi-panel mejorada. |
| EP2511078B1 (en) * | 2011-04-14 | 2018-05-30 | Siemens Aktiengesellschaft | Method of producing a fibre reinforced structure |
| US20120090790A1 (en) * | 2011-11-08 | 2012-04-19 | Ge Wind Energy Gmbh | Methods of manufacturing tooling structures |
| US20120090789A1 (en) * | 2011-11-08 | 2012-04-19 | Ge Wind Energy Gmbh | Methods of manufacturing rotor blade tooling structures for wind turbines |
| EP2838858A1 (en) | 2012-04-18 | 2015-02-25 | 3B-Fibreglass SPRL | Glass fibre composition and composite material reinforced therewith |
| GB201307066D0 (en) | 2013-04-18 | 2013-05-29 | Airbus Operations Ltd | Winglet and braided composite spar |
| EP2808158A1 (en) | 2013-05-31 | 2014-12-03 | Siemens Aktiengesellschaft | A method and apparatus for laying a fibre material on a mould surface |
| DE102013215384A1 (de) | 2013-08-05 | 2015-02-26 | Wobben Properties Gmbh | Verfahren zur Herstellung eines Verbundformteils, Verbundformteil, Sandwichbauteil und Rotorblattelement und Windenergieanlage |
| BE1022250B1 (nl) * | 2013-12-11 | 2016-03-04 | MINERAL COMPOSITE naamloze vennootschap | Werkwijze voor het vervaardigen van een steunbuis van een rotorblad en van een rotorblad waarin zulke steunbuis is toegepast |
| CN103807111B (zh) * | 2014-01-26 | 2016-09-28 | 桐乡市石门永新玻璃钢制品有限公司 | 50kw风力发电机组的叶片 |
| FR3034338B1 (fr) | 2015-04-01 | 2017-04-21 | Coriolis Composites | Tete d'application de fibres avec rouleau d'application particulier |
| DE102015117437A1 (de) * | 2015-10-14 | 2017-04-20 | Wobben Properties Gmbh | Windenergieanlagen-Rotorblatt und Verfahren zum Herstellen eines Windenergieanlagen-Rotorblattes |
| FR3043010B1 (fr) | 2015-10-28 | 2017-10-27 | Coriolis Composites | Machine d'application de fibres avec systemes de coupe particuliers |
| JP2017129091A (ja) * | 2016-01-22 | 2017-07-27 | 株式会社日立製作所 | 風力発電装置またはブレードの製造方法 |
| FR3048373B1 (fr) | 2016-03-07 | 2018-05-18 | Coriolis Group | Procede de realisation de preformes avec application d'un liant sur fibre seche et machine correspondante |
| FR3056438B1 (fr) | 2016-09-27 | 2019-11-01 | Coriolis Group | Procede de realisation de pieces en materiau composite par impregnation d'une preforme particuliere. |
| FR3070623B1 (fr) | 2017-09-04 | 2020-10-09 | Coriolis Composites | Procede de realisation d’une piece en materiau composite par aiguilletage oriente d’une preforme |
| RU180305U1 (ru) * | 2018-02-26 | 2018-06-08 | Александр Федорович Чабак | Волокнистая заготовка для изготовления конструктивных элементов изделий |
| CN112373063B (zh) * | 2020-10-21 | 2023-04-07 | 国能联合动力技术(连云港)有限公司 | 一种风电叶片导流布置方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB578485A (en) * | 1944-03-22 | 1946-07-01 | Bruno Jablonsky | Improvements in and relating to the manufacture of hollow articles of bonded fibrous laminae |
| US2878038A (en) * | 1955-06-27 | 1959-03-17 | Reinhold Engineering & Plastic | Plastic pipe bend and method for making same |
| GB1262704A (en) * | 1968-08-10 | 1972-02-02 | Messerschmitt Boelkow Blohm | Helicopter rotor blade |
| US3593398A (en) * | 1969-09-11 | 1971-07-20 | Sw Ind Inc | Relatively long machinery roll having high strength-to-weight ratio |
| US3896858A (en) * | 1973-02-28 | 1975-07-29 | William J Whatley | Utility pole |
| US4081220A (en) * | 1976-12-17 | 1978-03-28 | United Technologies Corporation | Semi-spar wound blade |
| US4172175A (en) * | 1978-02-17 | 1979-10-23 | Tillotson-Pearson, Inc. | Pole construction |
-
1979
- 1979-02-02 US US06/009,706 patent/US4242160A/en not_active Expired - Lifetime
- 1979-12-13 CA CA000341887A patent/CA1122125A/en not_active Expired
-
1980
- 1980-01-09 ZA ZA00800128A patent/ZA80128B/xx unknown
- 1980-01-10 AU AU54530/80A patent/AU528170B2/en not_active Ceased
- 1980-01-10 IN IN38/CAL/80A patent/IN154084B/en unknown
- 1980-01-10 IL IL59111A patent/IL59111A/xx unknown
- 1980-01-16 NL NL8000262A patent/NL8000262A/nl not_active Application Discontinuation
- 1980-01-18 DK DK22880A patent/DK22880A/da not_active Application Discontinuation
- 1980-01-18 GB GB8001718A patent/GB2040871B/en not_active Expired
- 1980-01-21 BR BR8000364A patent/BR8000364A/pt unknown
- 1980-01-24 FR FR8001476A patent/FR2448048A1/fr active Granted
- 1980-01-25 DE DE3002685A patent/DE3002685C2/de not_active Expired
- 1980-01-25 SE SE8000601A patent/SE446474B/sv not_active IP Right Cessation
- 1980-01-25 IT IT19444/80A patent/IT1129791B/it active
- 1980-01-28 NO NO800188A patent/NO155823B/no unknown
- 1980-01-28 JP JP923480A patent/JPS55105531A/ja active Granted
- 1980-01-28 FI FI800236A patent/FI69780C/fi not_active IP Right Cessation
- 1980-01-30 KR KR1019800000348A patent/KR860002142B1/ko not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT1129791B (it) | 1986-06-11 |
| DE3002685C2 (de) | 1986-11-20 |
| JPS6353016B2 (sv) | 1988-10-20 |
| GB2040871B (en) | 1983-05-05 |
| NO155823B (no) | 1987-02-23 |
| ZA80128B (en) | 1981-03-25 |
| DK22880A (da) | 1980-08-03 |
| SE8000601L (sv) | 1980-08-03 |
| AU5453080A (en) | 1980-08-07 |
| NO800188L (no) | 1980-08-04 |
| IL59111A (en) | 1983-07-31 |
| BR8000364A (pt) | 1980-09-30 |
| JPS55105531A (en) | 1980-08-13 |
| IN154084B (sv) | 1984-09-15 |
| FR2448048B1 (sv) | 1983-12-09 |
| US4242160A (en) | 1980-12-30 |
| KR830002152A (ko) | 1983-05-23 |
| GB2040871A (en) | 1980-09-03 |
| CA1122125A (en) | 1982-04-20 |
| AU528170B2 (en) | 1983-04-14 |
| KR860002142B1 (ko) | 1986-12-11 |
| FR2448048A1 (fr) | 1980-08-29 |
| FI69780B (fi) | 1985-12-31 |
| IT8019444A0 (it) | 1980-01-25 |
| NL8000262A (nl) | 1980-08-05 |
| FI800236A7 (fi) | 1980-08-03 |
| DE3002685A1 (de) | 1980-08-14 |
| SE446474B (sv) | 1986-09-15 |
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Owner name: UNITED TECHNOLOGIES CORPORATION |