DK141783A - Ekstruderingsvaerktoej - Google Patents
Ekstruderingsvaerktoej Download PDFInfo
- Publication number
- DK141783A DK141783A DK141783A DK141783A DK141783A DK 141783 A DK141783 A DK 141783A DK 141783 A DK141783 A DK 141783A DK 141783 A DK141783 A DK 141783A DK 141783 A DK141783 A DK 141783A
- Authority
- DK
- Denmark
- Prior art keywords
- extrusion
- Prior art date
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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
- B29C48/87—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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
- B29C48/023—Extruding materials comprising incompatible ingredients
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
- B29C48/336—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging one by one down streams in the die
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
- B29C48/865—Heating
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92009—Measured parameter
- B29C2948/92209—Temperature
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92323—Location or phase of measurement
- B29C2948/92361—Extrusion unit
- B29C2948/92409—Die; Nozzle zone
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92904—Die; Nozzle zone
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9733882 | 1982-06-07 | ||
JP57097338A JPS58212919A (ja) | 1982-06-07 | 1982-06-07 | 多層押出成形用ダイ |
Publications (4)
Publication Number | Publication Date |
---|---|
DK141783D0 DK141783D0 (da) | 1983-03-28 |
DK141783A true DK141783A (da) | 1983-12-08 |
DK160813B DK160813B (da) | 1991-04-22 |
DK160813C DK160813C (da) | 1991-10-07 |
Family
ID=14189693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK141783A DK160813C (da) | 1982-06-07 | 1983-03-28 | Flerlagsekstrudermundstykke |
Country Status (8)
Country | Link |
---|---|
US (1) | US4484883A (da) |
EP (1) | EP0096179A3 (da) |
JP (1) | JPS58212919A (da) |
CA (1) | CA1196459A (da) |
DE (1) | DE96179T1 (da) |
DK (1) | DK160813C (da) |
FI (1) | FI831060L (da) |
IE (1) | IE54292B1 (da) |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4765999A (en) * | 1985-07-26 | 1988-08-23 | Presto Products, Incorporated | Polyester/copolyester coextruded packaging film |
DE3600396A1 (de) * | 1985-11-09 | 1987-05-14 | Reifenhaeuser Masch | Breitschlitzduesenwerkzeug zum strangpressen von mehrschichtigen laminaten aus thermoplastischem kunststoff |
US4705707A (en) * | 1985-12-17 | 1987-11-10 | Presto Products, Incorporated | Polyethylene/polyester nonoriented heat sealable moisture barrier film and bag |
US4716061A (en) * | 1985-12-17 | 1987-12-29 | Presto Products, Incorporated | Polypropylene/polyester nonoriented heat sealable moisture barrier film and bag |
GB2190035A (en) * | 1986-05-08 | 1987-11-11 | Polysystems Machinery Manufact | Film extrustion die-lip heater |
US4931234A (en) * | 1986-05-12 | 1990-06-05 | Husky Injection Molding Systems Ltd. | Coinjection of hollow articles and preforms |
IT1215422B (it) * | 1986-05-13 | 1990-02-08 | Reifenhaeuser Masch | Trafila per l'estrusione di un nastro di materia plastica del tipo termoplastico espanso. |
US4895744A (en) * | 1986-06-26 | 1990-01-23 | General Electric Company | Method of making a multi-layer parison |
US4798526A (en) * | 1986-07-17 | 1989-01-17 | General Electric Company | Modular extrusion head |
US5019433A (en) * | 1986-06-26 | 1991-05-28 | General Electric Corporation | Multi-layer molten plastic body |
US4723902A (en) * | 1986-08-21 | 1988-02-09 | Wheeling Stamping Company | Balanced flow extrusion crosshead and die assembly |
US4863661A (en) * | 1986-08-25 | 1989-09-05 | Xaloy, Inc. | Resin molding process employing a mickel-based alloy liner |
US4897028A (en) * | 1987-03-20 | 1990-01-30 | General Electric Company | Apparatus for thermoplastically processing synthetic polymeric resins |
US5007818A (en) * | 1987-03-20 | 1991-04-16 | General Electric Company | Apparatus for thermoplastically shaping polymeric resins |
US4946743A (en) * | 1987-06-26 | 1990-08-07 | Reynolds Consumer Products, Inc. | Nonoriented polyester films for lidding stock with modified heat seal layer |
JPH0517221Y2 (da) * | 1988-04-13 | 1993-05-10 | ||
JPH0266519A (ja) * | 1988-09-01 | 1990-03-06 | Matsushita Electric Ind Co Ltd | 液晶表示パネル |
US5008056A (en) * | 1988-09-26 | 1991-04-16 | Union Carbide Chemicals And Plastics Technology Corporation | Reduction in die drool in filled resins and product improvement |
US4913863A (en) * | 1989-01-30 | 1990-04-03 | Hoechst Celanese Corporation | Split extrusion die assembly for thermoplastic materials and methods of using the same |
US4948543A (en) * | 1989-06-15 | 1990-08-14 | Union Carbide Chemicals And Plastics Company, Inc. | Process for eliminating surface melt fracture during extrusion of thermoplastic polymers |
US5106562A (en) * | 1989-12-28 | 1992-04-21 | American National Can Company | Extrusion methods and apparatus |
DE4104301C2 (de) * | 1991-02-13 | 1993-11-04 | Werner Dipl Ing Meister | Extrusionswerkzeug zur herstellung von schlauchfoermigen hohlkoerpern |
US5292463A (en) * | 1992-09-03 | 1994-03-08 | General Electric Company | Variable width film die |
DE9301353U1 (de) * | 1992-10-28 | 1993-12-16 | Windmöller & Hölscher, 49525 Lengerich | Folienblaskopf |
US5281381A (en) * | 1992-11-04 | 1994-01-25 | Mobil Oil Corporation | Method for extruding polyolefins containing vinylidene chloride polymers |
JPH06254947A (ja) * | 1993-03-05 | 1994-09-13 | Moriyama Seisakusho:Kk | 樹脂押出装置 |
WO1996033856A1 (en) * | 1995-04-24 | 1996-10-31 | Black Clawson Sano Inc. | Extrusion die |
DE69607694T2 (de) * | 1995-07-17 | 2001-02-22 | Elf Atochem S.A., Puteaux | Verfahren zum Koextrudieren von zwei Materialen mit unterschiedlicher Temperatur |
EP0950501A1 (fr) * | 1998-04-16 | 1999-10-20 | Sommer Revêtements France S.A. | Procédé de fabrication d'un cordon de soudure pour revêtements de sols et cordon de soudure obtenu |
DE19823304B4 (de) * | 1998-05-25 | 2004-01-22 | Windmöller & Hölscher Kg | Vorrichtung zum Extrudieren von Kunststoff-Mehrschichtfolien, -platten oder -schläuchen |
JP3486559B2 (ja) * | 1998-09-30 | 2004-01-13 | 八千代工業株式会社 | 多層クロスヘッド |
DE19959482C2 (de) * | 1999-12-10 | 2002-01-10 | Fischer W Mueller Blasformtech | Extrusionskopf für das Blasformen von Hohlkörpern aus thermoplastischem Kunststoff |
US6626206B1 (en) | 2000-01-20 | 2003-09-30 | Extrusion Dies, Inc. | Feedblock for adjusting the dimensions of a set of co-extruded layers of a multi-layer sheet |
FR2810577B1 (fr) * | 2000-06-22 | 2003-02-07 | Solvay | Tete d'extrusion pour tubes en matiere plastique expansee |
NL1025903C2 (nl) * | 2004-04-08 | 2005-10-11 | Wavin Bv | Meerlaags buis uit thermoplastische kunststof en werkwijze voor het verkrijgen daarvan. |
DE102006035960A1 (de) * | 2006-08-02 | 2008-02-07 | Biotronik Vi Patent Ag | Vorrichtung zur Herstellung von strangförmigen Gütern |
DE102007050291B4 (de) * | 2007-10-22 | 2010-04-08 | Cincinnati Extrusion Gmbh | Extrusionswerkzeug und Verfahren zum Extrudieren von Kunststoffprofilen |
DE102008047210B4 (de) | 2008-09-15 | 2011-07-21 | Battenfeld-Cincinnati Austria Gmbh | Extrusionslinie und Verfahren zum Kühlen von Kunststoffprofilen |
DE102013100938A1 (de) * | 2012-11-09 | 2014-05-15 | Windmöller & Hölscher Kg | Düsenvorrichtung für eine Blasextrusionsvorrichtung zur Herstellung einer mehrschichtigen Blasfolie |
DE102013108045B9 (de) | 2013-07-26 | 2017-09-21 | Windmöller & Hölscher Kg | Blasfolien-Extrusionsvorrichtung, Temperaturregelung für eine Blasfolien-Extrusionsvorrichtung und Verfahrenzur Temperaturregelung einer Blasfolien-Extrusionsvorrichtung |
DE102013017111A1 (de) * | 2013-10-15 | 2015-04-16 | Reifenhäuser GmbH & Co. KG Maschinenfabrik | Verfahren zum herstellen einer endlosfolie mit einer blasfolienanlage, verfahren zum herstellen einer mehrschichtigen eindlosfolie sowie blasfolienanlage |
DE102016119944A1 (de) * | 2016-10-19 | 2018-04-19 | Windmöller & Hölscher Kg | Blaskopf für eine Blasextrusionsvorrichtung sowie Verfahren zur Herstellung einer Blasfolie |
US20180187802A1 (en) * | 2016-12-30 | 2018-07-05 | Polyflow Llc | Multi-layer pipes |
US20210079562A1 (en) | 2017-12-21 | 2021-03-18 | Beaulieu International Group Nv | Biodegradable fabric and use of such fabric |
CN112776309B (zh) * | 2021-02-01 | 2023-03-28 | 鹤山市业成塑料制品有限公司 | 一种pet瓶坯模具的冷却机构 |
DE102022104009A1 (de) * | 2022-02-21 | 2023-08-24 | KraussMaffei Extrusion GmbH | Extrusionswerkzeug und Extrusionsanlage |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3461496A (en) * | 1965-11-08 | 1969-08-19 | Thomas W Winstead | Apparatus for extruding a skin covered,foamed thermoplastic |
US3446884A (en) * | 1966-04-22 | 1969-05-27 | Canadian Ind | Extrusion process and apparatus for producing a thermoplastic pipe having a glossy surface |
US3525125A (en) * | 1967-07-12 | 1970-08-25 | Basf Ag | Annular die for extruders,particularly an annular die for the production of blown tubular film and sheeting from expandable thermoplastics |
US3635624A (en) * | 1968-10-22 | 1972-01-18 | Yoshio Nakakoshi | Blow-molding apparatus |
CH507085A (de) * | 1969-05-09 | 1971-05-15 | Multifol Patentverwertungs Ag | Verfahren zur Herstellung eines teilweise gereckten Kunststoff-Folienmaterials, Einrichtung zur Durchführung des Verfahrens sowie ein durch dieses Verfahren hergestelltes Erzeugnis |
US3588987A (en) * | 1970-03-11 | 1971-06-29 | Edward Korostoff | Extrusion dies and method and apparatus for fabrication of extrusion dies |
US3860372A (en) * | 1971-02-26 | 1975-01-14 | Dow Chemical Co | Adjustable feedblock for encapsulated multilayer extrusion |
US3933958A (en) * | 1971-03-22 | 1976-01-20 | Reynolds Metals Company | Method of making tubular plastic film |
JPS5137938B2 (da) * | 1971-12-29 | 1976-10-19 | ||
US3809515A (en) * | 1972-03-03 | 1974-05-07 | Farrell Patent Co | Extrusion die for blowing plastic film |
FR2234977B3 (da) * | 1973-06-27 | 1977-05-06 | Crown Zellerbach Corp | |
US3950118A (en) * | 1974-05-17 | 1976-04-13 | Phillips Petroleum Company | Control of temperature profile across a heat exchanger |
JPS5811770B2 (ja) * | 1977-06-13 | 1983-03-04 | 日本電信電話株式会社 | 計数形折線符号器 |
JPS565750A (en) * | 1979-06-27 | 1981-01-21 | Toyo Seikan Kaisha Ltd | Multilayer extrusion of plastic and multilayer extruding die |
US4298325A (en) * | 1980-03-24 | 1981-11-03 | Cole Robert J | Die for the extrusion of material in tube form |
-
1982
- 1982-06-07 JP JP57097338A patent/JPS58212919A/ja active Pending
-
1983
- 1983-03-28 DK DK141783A patent/DK160813C/da not_active IP Right Cessation
- 1983-03-29 FI FI831060A patent/FI831060L/fi not_active Application Discontinuation
- 1983-03-30 IE IE714/83A patent/IE54292B1/en not_active IP Right Cessation
- 1983-04-05 EP EP83103317A patent/EP0096179A3/en not_active Withdrawn
- 1983-04-05 DE DE198383103317T patent/DE96179T1/de active Pending
- 1983-04-05 US US06/482,130 patent/US4484883A/en not_active Expired - Lifetime
- 1983-04-18 CA CA000426088A patent/CA1196459A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IE830714L (en) | 1983-12-07 |
EP0096179A2 (en) | 1983-12-21 |
CA1196459A (en) | 1985-11-12 |
DK141783D0 (da) | 1983-03-28 |
US4484883A (en) | 1984-11-27 |
DK160813B (da) | 1991-04-22 |
FI831060L (fi) | 1983-12-08 |
DE96179T1 (de) | 1984-06-07 |
FI831060A0 (fi) | 1983-03-29 |
DK160813C (da) | 1991-10-07 |
JPS58212919A (ja) | 1983-12-10 |
EP0096179A3 (en) | 1985-09-25 |
IE54292B1 (en) | 1989-08-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |