ES8400716A1 - Metodo de fabricacion de un articulo por devanado de filamento. - Google Patents
Metodo de fabricacion de un articulo por devanado de filamento.Info
- Publication number
- ES8400716A1 ES8400716A1 ES516875A ES516875A ES8400716A1 ES 8400716 A1 ES8400716 A1 ES 8400716A1 ES 516875 A ES516875 A ES 516875A ES 516875 A ES516875 A ES 516875A ES 8400716 A1 ES8400716 A1 ES 8400716A1
- Authority
- ES
- Spain
- Prior art keywords
- stations
- filaments
- chuck
- station
- manufacturing
- 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
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H81/00—Methods, apparatus, or devices for covering or wrapping cores by winding webs, tapes, or filamentary material, not otherwise provided for
-
- 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
- B29C53/821—Mandrels especially adapted for winding and joining
-
- 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
- B29C53/56—Winding and joining, e.g. winding spirally
- B29C53/58—Winding and joining, e.g. winding spirally helically
- B29C53/583—Winding and joining, e.g. winding spirally helically for making tubular articles with particular features
- B29C53/585—Winding and joining, e.g. winding spirally helically for making tubular articles with particular features the cross-section varying along their axis, e.g. tapered, with ribs, or threads, with socket-ends
-
- 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
- B29C53/56—Winding and joining, e.g. winding spirally
- B29C53/58—Winding and joining, e.g. winding spirally helically
- B29C53/60—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels
- B29C53/62—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels rotatable about the winding axis
- B29C53/66—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels rotatable about the winding axis with axially movable winding feed member, e.g. lathe type winding
- B29C53/665—Coordinating the movements of the winding feed member and the mandrel
-
- 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
- F03D1/065—Rotors characterised by their construction elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2250/00—Geometry
- F05B2250/20—Geometry three-dimensional
- F05B2250/29—Geometry three-dimensional machined; miscellaneous
- F05B2250/292—Geometry three-dimensional machined; miscellaneous tapered
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
-
- 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
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/2936—Wound or wrapped core or coating [i.e., spiral or helical]
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Moulding By Coating Moulds (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Ropes Or Cables (AREA)
- Winding Of Webs (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/334,609 US4381960A (en) | 1981-12-28 | 1981-12-28 | Method of manufacturing a filament wound article |
Publications (2)
Publication Number | Publication Date |
---|---|
ES516875A0 ES516875A0 (es) | 1983-11-16 |
ES8400716A1 true ES8400716A1 (es) | 1983-11-16 |
Family
ID=23307986
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES516875A Expired ES8400716A1 (es) | 1981-12-28 | 1982-10-27 | Metodo de fabricacion de un articulo por devanado de filamento. |
Country Status (18)
Country | Link |
---|---|
US (1) | US4381960A (en:Method) |
JP (1) | JPS58114920A (en:Method) |
KR (1) | KR890000614B1 (en:Method) |
AU (1) | AU547286B2 (en:Method) |
BR (1) | BR8206174A (en:Method) |
CA (1) | CA1176148A (en:Method) |
DE (1) | DE3239803A1 (en:Method) |
DK (1) | DK155180C (en:Method) |
ES (1) | ES8400716A1 (en:Method) |
FI (1) | FI823656L (en:Method) |
FR (1) | FR2518980B1 (en:Method) |
GB (1) | GB2112739B (en:Method) |
IL (1) | IL67114A (en:Method) |
IT (1) | IT1155417B (en:Method) |
NL (1) | NL187898C (en:Method) |
NO (1) | NO161363C (en:Method) |
SE (1) | SE447642B (en:Method) |
ZA (1) | ZA827461B (en:Method) |
Families Citing this family (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3211417C2 (de) * | 1982-03-27 | 1986-12-18 | Uranit GmbH, 5170 Jülich | Vorrichtung zum Herstellen von Kreuzwicklungsschichten für faserverstärkte, rotationssymmetrische Wickelkörper |
US4469730A (en) * | 1982-12-30 | 1984-09-04 | The Boeing Company | Composite base structure and end fitting joint and method |
FR2568511A1 (fr) * | 1984-08-06 | 1986-02-07 | Braille Yves | Procede continu d'enroulements helicoidaux croises, d'une nappe en ruban, pour realiser des profiles a parois minces, en materiaux composites |
GB2168111B (en) * | 1984-12-08 | 1988-05-18 | Rolls Royce | Rotor aerofoil blade containment |
US4690850A (en) * | 1986-06-06 | 1987-09-01 | K-2 Corporation | Fiber reinforced braided ski core and method and apparatus for making same |
WO1989009336A1 (en) * | 1988-03-23 | 1989-10-05 | George Jeronimidis | Improvements in or relating to structures containing anisotropic material |
US4886202A (en) * | 1988-11-07 | 1989-12-12 | Westinghouse Electric Corp. | Method of making metal matrix monotape ribbon and composite components of irregular shape |
US4997503A (en) * | 1989-07-19 | 1991-03-05 | Phillips Petroleum Company | Filament winding apparatus and method |
DE4005772A1 (de) * | 1990-02-23 | 1991-09-05 | Deutsche Forsch Luft Raumfahrt | Stabfoermiger koerper und verfahren zu dessen herstellung |
US5145320A (en) * | 1990-08-28 | 1992-09-08 | The United States Of America As Represented By The Secretary Of The Navy | Mass loaded composite rotor for vibro-acoustic application |
JP3054623B2 (ja) * | 1991-06-05 | 2000-06-19 | 株式会社シマノ | 竿材及びその製造方法 |
US5375324A (en) * | 1993-07-12 | 1994-12-27 | Flowind Corporation | Vertical axis wind turbine with pultruded blades |
US5492579A (en) * | 1994-02-09 | 1996-02-20 | Shakespeare Company | Method for making composite utility pole |
US5555696A (en) * | 1995-03-20 | 1996-09-17 | William S. Morrison, III | Filament wound architectural column |
US5692351A (en) * | 1995-03-20 | 1997-12-02 | William S. Morrison, III | Column support system with neck piece for supporting overhead loads |
SE511108C2 (sv) * | 1997-12-16 | 1999-08-09 | Eng Tex Ab | Metod att bilda förformar vid tillverkning av fiberkompositer |
EP1109657B2 (en) | 1998-07-03 | 2013-12-04 | Siemens Aktiengesellschaft | Method for producing closed composite structures and moulding apparatus to be used by the method |
US6367225B1 (en) * | 1999-07-26 | 2002-04-09 | Wasatch Technologies Corporation | Filament wound structural columns for light poles |
US20030186038A1 (en) * | 1999-11-18 | 2003-10-02 | Ashton Larry J. | Multi orientation composite material impregnated with non-liquid resin |
KR100397030B1 (ko) * | 2001-04-03 | 2003-09-03 | (주)코에지 | 풍력발전기의 로터 블레이드 및 그 성형방법 |
US7490964B2 (en) | 2002-10-09 | 2009-02-17 | Genlyte Thomas Group Llc | Modular pole system for a light fixture |
DE102004058331C5 (de) * | 2003-12-05 | 2017-03-23 | Ernst Klütsch | Umlenkvorrichtung zum Umlenken eines fadenartigen Gebildes sowie Verwendung einer derartigen Umlenkvorrichtung |
ES2249182B1 (es) * | 2004-09-14 | 2007-05-01 | Gamesa Eolica S.A. | Viga estructural de la pala de un aerogenerador eolico y proceso de fabricacion de la misma. |
US7153090B2 (en) * | 2004-12-17 | 2006-12-26 | General Electric Company | System and method for passive load attenuation in a wind turbine |
US7802968B2 (en) | 2005-07-29 | 2010-09-28 | General Electric Company | Methods and apparatus for reducing load in a rotor blade |
US7363751B2 (en) * | 2005-09-06 | 2008-04-29 | Shakespeare Composite Structures, Llc | Wound-in tenon/wound-in tenon collar for attachment of luminaire |
DE102006011513A1 (de) * | 2006-03-10 | 2007-09-13 | Rolls-Royce Deutschland Ltd & Co Kg | Einlaufkonus aus einem Faserverbundwerkstoff für ein Gasturbinentriebwerk und Verfahren zu dessen Herstellung |
US20090196756A1 (en) * | 2008-02-05 | 2009-08-06 | General Electric Company | Wind turbine blades and method for forming same |
EP2116359B1 (en) | 2008-05-05 | 2011-07-20 | Siemens Aktiengesellschaft | Method of manufacturing wind turbine blades comprising composite materials |
US8123463B2 (en) * | 2008-07-31 | 2012-02-28 | General Electric Company | Method and system for manufacturing a blade |
US8061666B1 (en) | 2008-08-05 | 2011-11-22 | Philips Electronics Ltd | Adapter assembly for pole luminaire |
CN102414011B (zh) * | 2009-04-28 | 2013-10-23 | 丰田自动车株式会社 | 纤维缠绕装置以及纤维缠绕方法 |
DE102010005986B4 (de) * | 2009-07-29 | 2017-10-19 | East 4D- Carbon Technology Gmbh | Verfahren zur Herstellung von kegel- und kegelstumpfförmigen Hohlkörpern und demgemäße Erzeugnisse |
US20110047900A1 (en) * | 2009-08-24 | 2011-03-03 | UC Solutions, LLC | Modular Composite Utility Pole |
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 |
EP2361752B1 (de) * | 2010-02-24 | 2015-04-08 | BARD Holding GmbH | Faserverbundbauteil und Verfahren zur Herstellung desselben |
EP2838858A1 (en) | 2012-04-18 | 2015-02-25 | 3B-Fibreglass SPRL | Glass fibre composition and composite material reinforced therewith |
US20140119937A1 (en) * | 2012-10-31 | 2014-05-01 | General Electric Company | Wind turbine rotor blade with fabric skin and associated method for assembly |
EP2954199B1 (en) * | 2013-02-07 | 2019-08-07 | LM WP Patent Holding A/S | Limp, elongate element with glass staple fibres |
US10099434B2 (en) * | 2014-09-16 | 2018-10-16 | General Electric Company | Composite airfoil structures |
DE102015117437A1 (de) * | 2015-10-14 | 2017-04-20 | Wobben Properties Gmbh | Windenergieanlagen-Rotorblatt und Verfahren zum Herstellen eines Windenergieanlagen-Rotorblattes |
KR101952653B1 (ko) * | 2017-12-13 | 2019-02-27 | 우림이엔지 주식회사 | 원통의 원주방향 테이핑 장치 |
RU180305U1 (ru) * | 2018-02-26 | 2018-06-08 | Александр Федорович Чабак | Волокнистая заготовка для изготовления конструктивных элементов изделий |
US11400624B2 (en) * | 2018-09-24 | 2022-08-02 | Raytheon Technologies Corporation | Constant cross section mandrel for CMC components |
US20200309307A1 (en) * | 2019-03-28 | 2020-10-01 | Cherne Industries Incorporated | Pneumatic Plug System And Method |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3429758A (en) * | 1966-01-24 | 1969-02-25 | Edwin C Young | Method of making filament wound structural columns |
FR1529729A (fr) * | 1967-04-25 | 1968-06-21 | R D T Soc Pour L Etude | Tube en fibres de verre et résine synthétique, procédé et machine pour sa fabrication |
GB1288566A (en:Method) * | 1969-04-02 | 1972-09-13 | ||
US3673028A (en) * | 1969-10-01 | 1972-06-27 | Owens Corning Fiberglass Corp | Glass fiber container and method of construction |
US4089727A (en) * | 1976-09-07 | 1978-05-16 | Shakespeare Company | Apparatus for making fiber reinforced plastic members |
US4081220A (en) * | 1976-12-17 | 1978-03-28 | United Technologies Corporation | Semi-spar wound blade |
US4273601A (en) * | 1977-10-31 | 1981-06-16 | Structural Composites Industries, Inc. | Method for the production of elongated resin impregnated filament composite structures |
US4247258A (en) * | 1978-11-13 | 1981-01-27 | United Technologies Corporation | Composite wind turbine blade |
-
1981
- 1981-12-28 US US06/334,609 patent/US4381960A/en not_active Expired - Fee Related
-
1982
- 1982-09-15 CA CA000411436A patent/CA1176148A/en not_active Expired
- 1982-10-12 ZA ZA827461A patent/ZA827461B/xx unknown
- 1982-10-13 DK DK452282A patent/DK155180C/da active
- 1982-10-15 GB GB08229468A patent/GB2112739B/en not_active Expired
- 1982-10-22 BR BR8206174A patent/BR8206174A/pt not_active IP Right Cessation
- 1982-10-25 FR FR8217787A patent/FR2518980B1/fr not_active Expired
- 1982-10-25 AU AU89733/82A patent/AU547286B2/en not_active Ceased
- 1982-10-25 KR KR8204781A patent/KR890000614B1/ko not_active Expired
- 1982-10-26 FI FI823656A patent/FI823656L/fi not_active Application Discontinuation
- 1982-10-27 ES ES516875A patent/ES8400716A1/es not_active Expired
- 1982-10-27 SE SE8206093A patent/SE447642B/sv not_active IP Right Cessation
- 1982-10-27 NO NO823569A patent/NO161363C/no unknown
- 1982-10-27 DE DE19823239803 patent/DE3239803A1/de active Granted
- 1982-10-28 JP JP57189973A patent/JPS58114920A/ja active Granted
- 1982-10-29 IT IT23989/82A patent/IT1155417B/it active
- 1982-10-29 NL NLAANVRAGE8204193,A patent/NL187898C/xx not_active IP Right Cessation
- 1982-10-29 IL IL67114A patent/IL67114A/xx not_active IP Right Cessation
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES8400716A1 (es) | Metodo de fabricacion de un articulo por devanado de filamento. | |
GB2085397B (en) | Method of manufacturing a filament wound article | |
AR226743A1 (es) | Metodo para la produccion de una composicion para el tratamiento de heridas | |
CH468252A (fr) | Procédé de fabrication d'un bandage pneumatique et bandage pneumatique obtenu par la mise en oeuvre du procédé | |
CA1022315A (en) | Filaments of crystalline plastics and method for manufacture thereof | |
JPS555849A (en) | Molding method and die of reinforced plastic tube having annular groove | |
ES496819A0 (es) | Procedimiento para la produccion de una hilaza de filamentosde poliolefina | |
BR7504662A (pt) | Processo para manufatura de artigos moldados,revestidos com pelicula | |
IL67115A0 (en) | Method of manufacturing a filament wound article | |
GB2037191B (en) | Mandrel/chuck with retractable stop | |
JPS52101674A (en) | Hollow filament apparatus and method and apparatus for winding hollow filaments | |
JPS52122457A (en) | Method of manufacturing filament of electron emitting element | |
CH533507A (fr) | Procédé et installation pour la fabrication d'un article pelliculaire, et article obtenu | |
CH470488A (fr) | Procédé de fabrication d'un ruban destiné à la fabrication de paliers et ruban obtenu par ce procédé | |
IT987950B (it) | Procedimento e dispositivo per la fabbricazione di un filato a filamenti aggrovigliati | |
PT66313A (fr) | Miroir convergent,notamment pour central solaire et son procede de fabrication | |
JPS52108466A (en) | Method of manufacturing poly ethylene terephthalate film | |
JPS51151115A (en) | Manufacturing method of thin film integrated magnetic head | |
BE605080A (fr) | Procédé de fabrication de spirales de lampes à incandescence, en particulier pour les lampes de projection | |
IT993123B (it) | Processo di fabbricazione di una valvola di pneumatico ricoperta di gomma | |
FR1392190A (fr) | Procédé de fabrication d'un ruban et ruban obtenu par la mise en oeuvre de ce procédé | |
GB523650A (en) | Improvements relating to a method of producing a fibre can body and apparatus for carrying out the same | |
IE850333L (en) | Mandrel support used in filament winding of plastic¹articles. | |
AU483360B2 (en) | METHOD FOR MANUFACTURING A SYNTHETIC filament | |
IT7926104A0 (it) | Metodo e apparecchiatura per la fabbricazione di filati avvolti. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19970619 |