ES8403366A1 - Un metodo para la fabricacion de articulos con refuerzo de fibra. - Google Patents
Un metodo para la fabricacion de articulos con refuerzo de fibra.Info
- Publication number
- ES8403366A1 ES8403366A1 ES521916A ES521916A ES8403366A1 ES 8403366 A1 ES8403366 A1 ES 8403366A1 ES 521916 A ES521916 A ES 521916A ES 521916 A ES521916 A ES 521916A ES 8403366 A1 ES8403366 A1 ES 8403366A1
- Authority
- ES
- Spain
- Prior art keywords
- fiber reinforced
- manufacture
- adhesive
- reinforced articles
- sheets
- 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.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/28—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer impregnated with or embedded in a plastic substance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- B64C11/16—Blades
- B64C11/20—Constructional features
- B64C11/26—Fabricated blades
-
- 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
- B29L2031/087—Propellers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2315/00—Other materials containing non-metallic inorganic compounds not provided for in groups B32B2311/00 - B32B2313/04
- B32B2315/08—Glass
- B32B2315/085—Glass fiber cloth or fabric
-
- 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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
- Y10T156/1036—Bending of one piece blank and joining edges to form article
-
- 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
- Y10T29/49332—Propeller 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
- Y10T29/49336—Blade making
- Y10T29/49337—Composite blade
Abstract
METODO PARA LA FABRICACION DE ARTICULOS CON REFUERZO DE FIBRA.COMPRENDE LAS SIGUIENTES ETAPAS: PRIMERA, SE PROPORCIONA UNA HORMA DE SUBCONJUNTO DE LA FORMA DESEADA DEL ARTICULO CON REFUERZO DE FIBRA; SEGUNDA, SE ENVUELVE DICHA HORMA DE SUBCONJUNTO CON UNA PLURALIDAD DE LAMINAS (38, 40) DE MATERIAL FIBROSO, CADA UNA DE LAS CUALES CONTIENE UNA PEQUEÑA CANTIDAD DE ADHESIVO TERMOPLASTICO (50) DEPOSITADO SOBRE UNA SOLA DE SUS SUPERFICIES; TERCERA, SE DEPOSITAN DICHAS LAMINAS DE MATERIAL FIBROSO, UNA SOBRE OTRA, SOBRE DICHO SUBCONJUNTO MIENTRAS SE UNE LA PRIMERADE DICHAS LAMINAS A LA HORMA DE SUBCONJUNTO Y CADA LAMINA SUBSIGUIENTE (40) A UNA LAMINA ADYACENTE PRECEDENTE (38) MEDIANTE CALOR Y PRESION; Y POR ULTIMO, SE MOLDEA DICHO MATERIAL FIBROSO IMPREGNADO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/382,828 US4470862A (en) | 1982-05-27 | 1982-05-27 | Manufacture of fiber reinforced articles |
Publications (2)
Publication Number | Publication Date |
---|---|
ES521916A0 ES521916A0 (es) | 1984-04-01 |
ES8403366A1 true ES8403366A1 (es) | 1984-04-01 |
Family
ID=23510564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES521916A Expired ES8403366A1 (es) | 1982-05-27 | 1983-04-28 | Un metodo para la fabricacion de articulos con refuerzo de fibra. |
Country Status (11)
Country | Link |
---|---|
US (1) | US4470862A (es) |
JP (1) | JPS58211418A (es) |
BR (1) | BR8302056A (es) |
CA (1) | CA1195223A (es) |
DE (1) | DE3314185C2 (es) |
ES (1) | ES8403366A1 (es) |
FR (1) | FR2527515B1 (es) |
GB (1) | GB2120599B (es) |
IT (1) | IT1163260B (es) |
NL (1) | NL8301516A (es) |
SE (1) | SE455176B (es) |
Families Citing this family (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1161534B (it) * | 1983-10-26 | 1987-03-18 | Agusta Aeronaut Costr | Longherone per pala di elicottero e metodo per la sua realizzazione |
FR2616409B1 (fr) * | 1987-06-09 | 1989-09-15 | Aerospatiale | Pale en materiaux composites et son procede de fabrication |
US5022824A (en) * | 1988-10-07 | 1991-06-11 | United Technologies Corporation | Pinned airfoil propeller blade |
US4988469A (en) * | 1988-11-21 | 1991-01-29 | United Technologies Corporation | Method of fabricating fiber reinforced composite articles by resin transfer molding |
US5042968A (en) * | 1989-11-02 | 1991-08-27 | United Technologies Corporation | Propeller blade subassembly and method for making a propeller blade subassembly |
US5118257A (en) * | 1990-05-25 | 1992-06-02 | Sundstrand Corporation | Boot attachment for composite turbine blade, turbine blade and method of making turbine blade |
US5314309A (en) * | 1990-05-25 | 1994-05-24 | Anthony Blakeley | Turbine blade with metallic attachment and method of making the same |
US5080851A (en) * | 1990-09-06 | 1992-01-14 | United Technologies Corporation | Method for stabilizing complex composite preforms |
US5252165A (en) * | 1990-09-20 | 1993-10-12 | United Technologies Corporation | Method of making contoured fiber reinforced body |
US5127802A (en) * | 1990-12-24 | 1992-07-07 | United Technologies Corporation | Reinforced full-spar composite rotor blade |
US5222297A (en) * | 1991-10-18 | 1993-06-29 | United Technologies Corporation | Composite blade manufacture |
US5392514A (en) * | 1992-02-06 | 1995-02-28 | United Technologies Corporation | Method of manufacturing a composite blade with a reinforced leading edge |
US5320494A (en) * | 1992-12-22 | 1994-06-14 | United Technologies Corporation | Helicopter rotor blade having a replaceable anhedral tip |
GB2279114A (en) * | 1993-06-15 | 1994-12-21 | Nuaire Ltd | Fan impeller blade |
US5681513A (en) * | 1995-08-04 | 1997-10-28 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Method for fabricating composite structures using continuous press forming |
US5720597A (en) * | 1996-01-29 | 1998-02-24 | General Electric Company | Multi-component blade for a gas turbine |
US6447705B1 (en) * | 1996-06-28 | 2002-09-10 | Texas Instruments Incorporated | Tackifier application for resin transfer molding |
US6350513B1 (en) | 1997-10-08 | 2002-02-26 | Mcdonnell Douglas Helicopter Company | Low density structures having radar absorbing characteristics |
US6428380B1 (en) * | 1998-02-02 | 2002-08-06 | Michael B. Murphy | Method and apparatus for applying a transparent skin to a model airplane |
US6296037B1 (en) * | 1999-08-10 | 2001-10-02 | Newell Window Furnishings, Inc. | Foam core vane for door and window covering |
DE19959598A1 (de) * | 1999-12-10 | 2001-06-13 | Rolls Royce Deutschland | Verfahren zum Herstellen einer Schaufel einer Strömungsmaschine |
US6413051B1 (en) | 2000-10-30 | 2002-07-02 | General Electric Company | Article including a composite laminated end portion with a discrete end barrier and method for making and repairing |
US7138028B2 (en) * | 2001-07-26 | 2006-11-21 | The Boeing Company | Vacuum assisted resin transfer method for co-bonding composite laminate structures |
US8246882B2 (en) * | 2003-05-02 | 2012-08-21 | The Boeing Company | Methods and preforms for forming composite members with interlayers formed of nonwoven, continuous materials |
US20080289743A1 (en) * | 2003-05-02 | 2008-11-27 | Tsotsis Thomas K | Highly porous interlayers to toughen liquid-molded fabric-based composites |
US20050257887A1 (en) * | 2004-05-24 | 2005-11-24 | Tsotsis Thomas K | Method and apparatus for melt-bonded materials for tackification of dry fabric preforms |
JP4734527B2 (ja) * | 2004-03-17 | 2011-07-27 | 川崎重工業株式会社 | トラフユニットおよびそれを用いた空気浮上式ベルトコンベア装置 |
US20080072569A1 (en) * | 2006-09-27 | 2008-03-27 | Thomas Ory Moniz | Guide vane and method of fabricating the same |
DE102006061915A1 (de) * | 2006-12-21 | 2008-07-03 | Rolls-Royce Deutschland Ltd & Co Kg | Hybrid-Fanschaufel und Verfahren zu deren Herstellung |
ES2319152B1 (es) * | 2007-07-17 | 2010-01-11 | Fco.Javier Garcia Castro | Procedimiento para la fabricacion de palas eolicas. |
FR2922188B1 (fr) * | 2007-10-11 | 2010-04-23 | Airbus France | Cale en materiau composite renforcee et procede de renforcement d'une cale en materiau composite |
US20100122459A1 (en) * | 2008-11-17 | 2010-05-20 | General Electric Company | Method of making wind turbine blade |
US8182213B2 (en) * | 2009-04-22 | 2012-05-22 | Pratt & Whitney Canada Corp. | Vane assembly with removable vanes |
WO2011075176A1 (en) * | 2009-12-18 | 2011-06-23 | Magna International Inc. | Sheet molding compound with cores |
PL2524134T3 (pl) | 2010-01-14 | 2014-11-28 | Neptco Inc | Komponenty łopaty wirnika turbiny wiatrowej i sposoby ich wytwarzania |
US10137542B2 (en) | 2010-01-14 | 2018-11-27 | Senvion Gmbh | Wind turbine rotor blade components and machine for making same |
FR2964427B1 (fr) * | 2010-09-06 | 2014-05-09 | Messier Dowty Sa | Carter de turboreacteur et turboreacteur recevant de tels carters |
FR2964411B1 (fr) * | 2010-09-06 | 2012-08-24 | Messier Dowty Sa | Aube de turboreacteur, notamment une aube de redresseur, et turboreacteur recevant de telles aubes |
EP2599714B1 (en) * | 2011-11-30 | 2014-10-08 | Hamilton Sundstrand Corporation | Propeller blade having compliant adhesive at spar interface |
GB201120994D0 (en) * | 2011-12-07 | 2012-01-18 | Airbus Uk Ltd | Integral stiffener |
US9168999B2 (en) * | 2012-04-18 | 2015-10-27 | Hamilton Sundstrand Corporation | Propeller blade with internal stiffener |
US20130280079A1 (en) * | 2012-04-18 | 2013-10-24 | Hamilton Sundstrand Corporation | Propeller blade with metallic foam spar core |
EP2660144A1 (en) * | 2012-04-30 | 2013-11-06 | Hamilton Sundstrand Corporation | Propeller blade with modified spar stiffness. |
US9139287B2 (en) * | 2012-06-26 | 2015-09-22 | Hamilton Sundstrand Corporation | Propeller blade with carbon foam spar core |
WO2014120123A2 (en) | 2013-01-29 | 2014-08-07 | United Technologies Corporation | Thermoplastic nosecone for a turbine engine |
US20150266572A1 (en) * | 2014-03-21 | 2015-09-24 | Hamilton Sundstrand Corporation | Propeller blade having compliant spar core |
US20160032939A1 (en) * | 2014-07-31 | 2016-02-04 | General Electric Company | Airfoil structures |
DE102017105935B4 (de) | 2017-03-20 | 2021-09-02 | Preh Gmbh | Verfahren zum vollflächigen Verbinden von antiparallel verlaufenden Kontaktflächen eines ersten und zweiten Fügepartners mittels eines Formlings |
US10633084B2 (en) * | 2017-08-25 | 2020-04-28 | Bell Helicopter Textron Inc. | Geodesic composite structures |
GB2588381A (en) * | 2019-10-14 | 2021-04-28 | Short Brothers Plc | Patch material |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2630868A (en) * | 1949-10-29 | 1953-03-10 | Gen Electric | Plastic rotor blade |
US2890147A (en) * | 1954-12-23 | 1959-06-09 | Owens Corning Fiberglass Corp | Method of making metal-reinforced boards of mineral fibers |
FR1216393A (fr) * | 1957-11-21 | 1960-04-25 | Bristol Aircraft Ltd | Perfectionnements apportés à la fabrication de panneaux en résine renforcée par des fibres |
US3140846A (en) * | 1958-04-14 | 1964-07-14 | Eonair Inc | Aircraft covering composition and method of making same |
US2929755A (en) * | 1958-07-24 | 1960-03-22 | Orenda Engines Ltd | Plastic blades for gas turbine engines |
US3150024A (en) * | 1960-09-20 | 1964-09-22 | Magee Carpet Co | Method and apparatus for laminating a layer of plastic and scrim on the backing of carpet |
US3321019A (en) * | 1965-10-22 | 1967-05-23 | United Aircraft Corp | Fiberglass blade |
US3525662A (en) * | 1966-08-15 | 1970-08-25 | Moore & Munger | Composite contoured carpets for automobiles and the like and method for making the same |
FR1496905A (fr) * | 1966-10-17 | 1967-10-06 | United Aircraft Corp | Pale en matière plastique renforcée par des fibres de verre |
GB1262704A (en) * | 1968-08-10 | 1972-02-02 | Messerschmitt Boelkow Blohm | Helicopter rotor blade |
US3682738A (en) * | 1969-09-03 | 1972-08-08 | Johnson & Johnson | Methods and apparatus for depositing powdered materials in patterned areas |
DD100058A1 (de) * | 1972-10-12 | 1980-10-01 | Schaufeln für Axialventilatoren und Verfahren zur Herstellung dieser Schaufeln | |
US3873654A (en) * | 1973-03-05 | 1975-03-25 | Robert G Smith | Process of forming a rigid foam airfoil section |
FR2234130B1 (es) * | 1973-05-14 | 1976-04-30 | Kamov Nikolai | |
US4051289A (en) * | 1976-04-12 | 1977-09-27 | General Electric Company | Composite airfoil construction |
JPS53106243A (en) * | 1977-02-25 | 1978-09-16 | Nobuhiro Michimae | Method of producing belt core cloth having latent curve |
GB1587314A (en) * | 1978-05-22 | 1981-04-01 | Rolls Royce | Method of forming an article from composite material |
GB2032832B (en) * | 1978-09-16 | 1982-07-28 | Dowty Rotol Ltd | Foam-containing structures |
DE2855179C2 (de) * | 1978-12-20 | 1982-06-09 | Dr. Carl Hahn GmbH, 4000 Düsseldorf | Tampon für die Frauenhygiene |
BR8105757A (pt) * | 1980-10-02 | 1982-05-25 | United Technologies Corp | Processo pra a producao de um aerofolio |
-
1982
- 1982-05-27 US US06/382,828 patent/US4470862A/en not_active Expired - Fee Related
-
1983
- 1983-01-17 CA CA000419629A patent/CA1195223A/en not_active Expired
- 1983-04-08 GB GB08309579A patent/GB2120599B/en not_active Expired
- 1983-04-19 DE DE3314185A patent/DE3314185C2/de not_active Expired - Fee Related
- 1983-04-20 BR BR8302056A patent/BR8302056A/pt not_active IP Right Cessation
- 1983-04-20 SE SE8302233A patent/SE455176B/sv not_active IP Right Cessation
- 1983-04-22 FR FR8306627A patent/FR2527515B1/fr not_active Expired
- 1983-04-27 JP JP58074852A patent/JPS58211418A/ja active Granted
- 1983-04-28 ES ES521916A patent/ES8403366A1/es not_active Expired
- 1983-04-29 IT IT20848/83A patent/IT1163260B/it active
- 1983-04-29 NL NL8301516A patent/NL8301516A/nl not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
SE455176B (sv) | 1988-06-27 |
DE3314185C2 (de) | 1994-04-28 |
ES521916A0 (es) | 1984-04-01 |
JPS58211418A (ja) | 1983-12-08 |
US4470862A (en) | 1984-09-11 |
IT8320848A1 (it) | 1984-10-29 |
IT8320848A0 (it) | 1983-04-29 |
GB2120599B (en) | 1985-10-09 |
JPH0242059B2 (es) | 1990-09-20 |
IT1163260B (it) | 1987-04-08 |
NL8301516A (nl) | 1983-12-16 |
FR2527515A1 (fr) | 1983-12-02 |
DE3314185A1 (de) | 1983-12-01 |
CA1195223A (en) | 1985-10-15 |
BR8302056A (pt) | 1984-04-17 |
SE8302233L (sv) | 1983-11-28 |
FR2527515B1 (fr) | 1987-03-20 |
GB2120599A (en) | 1983-12-07 |
SE8302233D0 (sv) | 1983-04-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19991102 |