ES2046215T3 - Metodo para la fabricacion de un elemento acolchado, especialmente un asiento-cojin. - Google Patents
Metodo para la fabricacion de un elemento acolchado, especialmente un asiento-cojin.Info
- Publication number
- ES2046215T3 ES2046215T3 ES198787830351T ES87830351T ES2046215T3 ES 2046215 T3 ES2046215 T3 ES 2046215T3 ES 198787830351 T ES198787830351 T ES 198787830351T ES 87830351 T ES87830351 T ES 87830351T ES 2046215 T3 ES2046215 T3 ES 2046215T3
- Authority
- ES
- Spain
- Prior art keywords
- steam
- matrix
- manufacture
- filling
- holes
- 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 - Lifetime
Links
Classifications
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
- B29C33/04—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam
- B29C33/048—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam using steam
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/42—Heating or cooling
-
- 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
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
- B29C63/025—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material applied by a die matching with the profile of the surface of resilient articles, e.g. cushions, seat pads
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
- B29C65/483—Reactive adhesives, e.g. chemically curing adhesives
- B29C65/485—Multi-component adhesives, i.e. chemically curing as a result of the mixing of said multi-components
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
- B29C65/522—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive by spraying, e.g. by flame spraying
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7841—Holding or clamping means for handling purposes
- B29C65/7847—Holding or clamping means for handling purposes using vacuum to hold at least one of the parts to be joined
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
- B29C66/1122—Single lap to lap joints, i.e. overlap joints
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/301—Three-dimensional joints, i.e. the joined area being substantially non-flat
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/53—Joining single elements to tubular articles, hollow articles or bars
- B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
- B29C66/5326—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially flat
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/727—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being porous, e.g. foam
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/832—Reciprocating joining or pressing tools
- B29C66/8322—Joining or pressing tools reciprocating along one axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B68—SADDLERY; UPHOLSTERY
- B68G—METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING; UPHOLSTERY NOT OTHERWISE PROVIDED FOR
- B68G7/00—Making upholstery
- B68G7/05—Covering or enveloping cores of pads
-
- 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
- B29L2031/58—Upholstery or cushions, e.g. vehicle upholstery or interior padding
-
- 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
- Y10T156/1039—Surface deformation only of sandwich or lamina [e.g., embossed panels]
- Y10T156/1041—Subsequent to lamination
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Seats For Vehicles (AREA)
Abstract
EN LA FABRICACION DE ELEMENTOS ACOLCHONADOS, TALES COMO EL ALMOHADILLADO DE ASIENTOS DE VEHICULOS A MOTOR, EL MATERIAL DE CUBRICION (3), (DE TELA, PIEL, MATERIAL SINTETICO O SIMILAR), SE APLICA SOBRE EL DE RELLENO (2),(NORMALMENTE MATERIAL EXPANDIDO), DESPUES DE HABER SIDO CONFORMADO DE ACUERDO CON LA SUPERFICIE DEL RELLENO (2) POR MEDIO DE LA PRESION REALIZADA POR UNA MATRIZ METALICA Y LA APLICACION SIMULTANEA DE VAPOR. EL FLUJO DE VAPOR ALCANZA AL MATERIAL DE CUBRICION PASANDO A TRAVES DE LA PARTE INFERIOR (12) DE LA MATRIZ Y EMERGIENDO POR LOS AGUJEROS (17) DE QUE ESTA PROVISTA LA PARED QUE ESTA EN CONTACTO CON EL MATERIAL. EL VAPOR USADO DURANTE LA OPERACION DE PRESIONADO SE EXTRAE DE UN DEPOSITO (24) DE VAPOR PRESURIZADO, CUYA CAMARA NO ESTA DIRECTAMENTE COMUNICADA CON LOS AGUJEROS, Y CUYO CUERPO ESTA UNIDO POR CONDUCCION TERMICA CON LA PARED DE LA MATRIZ.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT67757/86A IT1195191B (it) | 1986-10-06 | 1986-10-06 | Procedimento per la fabbricazione di un elemento imbottito in particolare un cuscino di sedile |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2046215T3 true ES2046215T3 (es) | 1994-02-01 |
Family
ID=11305056
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES198787830351T Expired - Lifetime ES2046215T3 (es) | 1986-10-06 | 1987-10-06 | Metodo para la fabricacion de un elemento acolchado, especialmente un asiento-cojin. |
Country Status (7)
Country | Link |
---|---|
US (2) | US4844761A (es) |
EP (1) | EP0263798B1 (es) |
JP (1) | JP2581709B2 (es) |
BR (1) | BR8705262A (es) |
DE (1) | DE3788267T2 (es) |
ES (1) | ES2046215T3 (es) |
IT (1) | IT1195191B (es) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63203183A (ja) * | 1987-02-20 | 1988-08-23 | 池田物産株式会社 | 表皮一体成形シ−トの表面模様付け方法 |
JPS63203184A (ja) * | 1987-02-20 | 1988-08-23 | 池田物産株式会社 | 表皮一体成形シ−トの表面模様付け方法 |
US5462786A (en) * | 1991-03-22 | 1995-10-31 | Asaa Technologies, Inc. | Decorative panels for automobile interiors |
JP2960583B2 (ja) * | 1991-08-09 | 1999-10-06 | テイ・エス テック株式会社 | 接着剤を用いたシートの製造方法 |
US5232543A (en) * | 1992-07-17 | 1993-08-03 | Lear Seating Corporation, Inc. | Apparatus for bonding fabric to seat cushion trenches |
IT1260632B (it) * | 1993-03-29 | 1996-04-22 | Sepi Spa | Procedimento ed apparecchiatura per la fabbricazione di un elemento imbottito, particolarmente per un sedile di autoveicolo. |
US5336352A (en) * | 1993-04-23 | 1994-08-09 | Tachi-S Co., Ltd. | Method for forming a trim cover assembly for automotive seat |
US5393479A (en) * | 1993-05-27 | 1995-02-28 | Hoover Universal, Inc. | Method for shaping a trim cover fabric for a vehicle seat |
US5902434A (en) * | 1996-03-25 | 1999-05-11 | Lear Corporation | Method for bonding a cover material to a foam cushion |
EP0956185B1 (en) * | 1996-03-12 | 2001-05-30 | Giuliana Guerrieri | Apparatus for gluing frames, mirrors, glass sheets and the like to panels, in particular furniture panels |
FR2746699B1 (fr) * | 1996-03-27 | 1998-05-29 | Faure Bertrand Equipements Sa | Procede et dispositif d'encollage d'une matelassure ou d'une coiffe d'habillage d'un siege |
US5743996A (en) * | 1996-08-27 | 1998-04-28 | Tachi-S Co., Ltd. | Structure of bonding die for forming a seat |
US5935364A (en) * | 1996-10-02 | 1999-08-10 | Steelcase Inc. | Thermal forming upholstery process |
US6345865B1 (en) | 1998-12-28 | 2002-02-12 | T.S. Tech Co., Ltd. | Vehicle seat, a skin material for a vehicle seat and a method of manufacturing the vehicle seat |
JP2002011781A (ja) * | 2000-06-29 | 2002-01-15 | Tachi S Co Ltd | シートの加熱加圧成形型 |
US20060232111A1 (en) * | 2003-02-05 | 2006-10-19 | Kenichi Hasegawa | External covering material for motor vehicle, motor vehicle seat, and apparatus for producing the seat |
FR2868271B1 (fr) * | 2004-04-02 | 2006-07-28 | Cera | Procede de realisation d'une matelassure comprenant un element de revetement en cuir ayant subit un etirement |
US20070131347A1 (en) * | 2005-12-13 | 2007-06-14 | Lear Corporation | Method of forming a fabric covered article |
DE102006029026A1 (de) * | 2006-06-14 | 2007-12-20 | Sitech Sitztechnik Gmbh | Verkleben von Körpern aus einem Schaumstoffmaterial oder anderer Trägermaterialien mit Bezügen |
FR2943268B1 (fr) * | 2009-03-20 | 2014-02-28 | Arcil | Moule de thermofromage a isolation thermique et procede associe. |
GB201115291D0 (en) | 2011-09-05 | 2011-10-19 | Surface Generation Ltd | Tool temperature management |
DE102011121993B8 (de) * | 2011-12-22 | 2018-02-22 | Grammer Ag | Fahrzeugsitz, Verfahren zum Herstellen eines Fahrzeugsitzpolsterteils und Verwendung eines Heißpressstempels |
US10246153B2 (en) * | 2012-10-11 | 2019-04-02 | Polaris Industries Inc. | Side-by-side vehicle |
US10870376B2 (en) | 2017-03-10 | 2020-12-22 | Magna Seating Inc | Trim cover steam machine |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1716735A (en) * | 1923-12-04 | 1929-06-11 | Us Hoffman Machinery Corp | Steaming device for hats |
US2112384A (en) * | 1935-02-04 | 1938-03-29 | Jesse B Hawley | Method of making hats |
FR2336246A2 (fr) * | 1975-02-05 | 1977-07-22 | Roth Sa Freres | Procede de fabrication de panneaux en forme a base de carton et de mousse, et panneaux ainsi realises |
US4077821A (en) * | 1975-09-15 | 1978-03-07 | Detroit Gasket Company | Method of forming foam laminates and headliners |
JPS5850162B2 (ja) * | 1976-02-05 | 1983-11-09 | 日産自動車株式会社 | 段ボ−ル製内装材の製造法 |
JPS52123762A (en) * | 1976-04-05 | 1977-10-18 | Tachikawa Spring Co | Method of producing seat |
GB1520834A (en) * | 1976-04-09 | 1978-08-09 | Wilkinson Sword Gmbh | Razors |
US4372900A (en) * | 1980-11-13 | 1983-02-08 | Detroit Gasket & Mfg. Co. | Method of forming reinforced foam structure |
DE3045413C2 (de) * | 1980-12-02 | 1983-09-08 | Windmöller & Hölscher, 4540 Lengerich | Verfahren zum Oxydieren eines extrudierten schmelzflüssigen Polyäthylenfilms |
FR2542666B1 (fr) * | 1983-03-17 | 1986-06-20 | Saint Gobain Isover | Panneaux composites moules |
US4786351A (en) * | 1985-12-31 | 1988-11-22 | Astechnologies, Inc. | Process and apparatus for simultaneously shaping foam and laminating fabric thereto |
US4718153A (en) * | 1986-04-10 | 1988-01-12 | Steelcase Inc. | Cushion manufacturing process |
US4795517A (en) * | 1986-06-05 | 1989-01-03 | Astechnologies, Inc. | Process for shaping and covering cushion foam |
US4740417A (en) * | 1986-07-22 | 1988-04-26 | Cone Mills Corporation | Thermoplastic vacuum molding method and article produced thereby |
US4744160A (en) * | 1986-09-10 | 1988-05-17 | Astechnologies, Inc. | Fabric pressing machine using superheated steam |
-
1986
- 1986-10-06 IT IT67757/86A patent/IT1195191B/it active
-
1987
- 1987-10-05 BR BR8705262A patent/BR8705262A/pt not_active IP Right Cessation
- 1987-10-06 JP JP62253459A patent/JP2581709B2/ja not_active Expired - Lifetime
- 1987-10-06 US US07/104,904 patent/US4844761A/en not_active Expired - Fee Related
- 1987-10-06 ES ES198787830351T patent/ES2046215T3/es not_active Expired - Lifetime
- 1987-10-06 DE DE87830351T patent/DE3788267T2/de not_active Expired - Fee Related
- 1987-10-06 EP EP87830351A patent/EP0263798B1/en not_active Expired - Lifetime
-
1989
- 1989-02-28 US US07/316,825 patent/US4979890A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
BR8705262A (pt) | 1988-05-24 |
DE3788267D1 (de) | 1994-01-05 |
US4979890A (en) | 1990-12-25 |
EP0263798A2 (en) | 1988-04-13 |
JPS63147490A (ja) | 1988-06-20 |
IT1195191B (it) | 1988-10-12 |
DE3788267T2 (de) | 1994-03-31 |
US4844761A (en) | 1989-07-04 |
EP0263798B1 (en) | 1993-11-24 |
JP2581709B2 (ja) | 1997-02-12 |
EP0263798A3 (en) | 1989-08-16 |
IT8667757A0 (it) | 1986-10-06 |
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Legal Events
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FG2A | Definitive protection |
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