NO920371L - Dysehode for plastblaasemaskin - Google Patents
Dysehode for plastblaasemaskinInfo
- Publication number
- NO920371L NO920371L NO92920371A NO920371A NO920371L NO 920371 L NO920371 L NO 920371L NO 92920371 A NO92920371 A NO 92920371A NO 920371 A NO920371 A NO 920371A NO 920371 L NO920371 L NO 920371L
- Authority
- NO
- Norway
- Prior art keywords
- plastic
- nozzle head
- blowing machine
- ejection piston
- feed head
- Prior art date
Links
- 239000004033 plastic Substances 0.000 title abstract 4
- 238000007664 blowing Methods 0.000 title 1
- 238000000071 blow moulding Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 229920001169 thermoplastic Polymers 0.000 abstract 1
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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/695—Flow dividers, e.g. breaker plates
- B29C48/70—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows
- B29C48/705—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows in the die zone, e.g. to create flow homogeneity
-
- 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
- B29C48/16—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
-
- 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
-
- 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
- B29C48/3366—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 using a die with concentric parts, e.g. rings, cylinders
-
- 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
- B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/475—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pistons, accumulators or press rams
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/695—Flow dividers, e.g. breaker plates
- B29C48/70—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/04—Extrusion blow-moulding
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/04—Extrusion blow-moulding
- B29C49/041—Extrusion blow-moulding using an accumulator head
Abstract
Matehode for en blåseformingsmaskin for diskontinuerlig tilvirkning av flersjikts samekstruderte og blåseformete hullegemer av termoplastisk plastmateriale. For å forbedre produktkvaliteten og øke kapasitetener fordelerorganene for ensartet omkretsfordeling av de enkelte smelteflytende plaststrømmene utformet som skruekanalfordelere (20), idet utstøtingsstemplet (14) består av minst to konsentriske rørstykker (42, 44, 46) og de omkretsfordelte plaststrømmene føres ut ved enden av utstøtingsstemplet (14) og forenes i det underliggende materom (16) i matehodets hus (10) til en eneste, flersjikts plastslange.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4017699 | 1990-06-01 | ||
PCT/EP1991/000984 WO1991018731A1 (de) | 1990-06-01 | 1991-05-28 | Speicherkopf für eine blasformmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
NO920371D0 NO920371D0 (no) | 1992-01-28 |
NO920371L true NO920371L (no) | 1992-03-30 |
Family
ID=6407637
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO92920371A NO920371L (no) | 1990-06-01 | 1992-01-28 | Dysehode for plastblaasemaskin |
NO92920368A NO920368L (no) | 1990-06-01 | 1992-01-28 | Lagerhode for en blaaseformingsmaskin |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO92920368A NO920368L (no) | 1990-06-01 | 1992-01-28 | Lagerhode for en blaaseformingsmaskin |
Country Status (15)
Country | Link |
---|---|
US (1) | US5256051A (no) |
EP (2) | EP0494273B1 (no) |
JP (2) | JP2562538B2 (no) |
KR (2) | KR100187708B1 (no) |
AT (2) | ATE140652T1 (no) |
AU (2) | AU7899591A (no) |
BR (2) | BR9105780A (no) |
CA (2) | CA2064688A1 (no) |
DE (2) | DE59108030D1 (no) |
DK (1) | DK0486636T3 (no) |
ES (1) | ES2069890T3 (no) |
GR (1) | GR3015445T3 (no) |
HU (2) | HU211099B (no) |
NO (2) | NO920371L (no) |
WO (2) | WO1991018731A1 (no) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5256049A (en) * | 1990-06-01 | 1993-10-26 | Mauser-Werke Gmbh | Storage head for a blow molding machine |
US5116215A (en) | 1991-07-05 | 1992-05-26 | Cincinnati Milacron Inc. | Accumulator head for extrusion blow molding machine |
CA2082437C (en) * | 1991-11-14 | 1998-01-20 | Peter C. Gates | Spiral fed multi-layer tubular die |
NL9201457A (nl) * | 1992-08-14 | 1994-03-01 | Rollepaal B V Maschf De | Verdeelkop voor het uit één of meer stromen geëxtrudeerd thermoplastisch kunststofmateriaal vormen van een buisvormig profiel. |
US5650178A (en) * | 1994-11-23 | 1997-07-22 | Bemis Manufacturing Company | Co-injection manifold for injection molding |
DE19509613A1 (de) * | 1995-03-16 | 1996-09-19 | Rotex Gmbh | Formkörper mit einer Sauerstoffbarriere-Schicht, insbesondere Hohlprofilformkörper |
US5776519A (en) * | 1997-06-06 | 1998-07-07 | Graham Engineering Corporation | Parison extrusion head with quick change die ring clamp assembly |
US5840232A (en) * | 1997-06-13 | 1998-11-24 | Wilmington Machinery, Inc. | Multi-layer parison extrusion system |
WO2000063000A1 (de) | 1999-04-16 | 2000-10-26 | Mauser-Werke Gmbh | Extrusionskopf |
DE10001363A1 (de) * | 2000-01-14 | 2001-07-26 | Windmoeller & Hoelscher | Extruderdüsenkopf |
AU2001238716A1 (en) * | 2000-02-29 | 2001-09-12 | Bemis Manufacturing Company | Co-injection apparatus for injection molding |
US6964748B2 (en) * | 2000-11-30 | 2005-11-15 | Bemis Manufacturing Company | Co-injection methods using endothermic-blowing agents and products made therefrom |
WO2005072051A2 (fr) * | 2004-01-29 | 2005-08-11 | Aisapack Holding S.A. | Systeme de dosage de matiere plastique pour dispositif de production d'articles en matiere plastique |
DE102004040151B4 (de) * | 2004-08-19 | 2008-08-21 | Hosokawa Alpine Ag | Folienblaskopf für die Herstellung von Schlauchfolien |
DE112006000926A5 (de) * | 2005-05-10 | 2008-04-03 | Mauser-Werke Gmbh | Extrusions-Speicherkopf und Verfahren zur Herstellung von blasgeformten mehrschichtigen Kunststoffhohlkörpern |
US8245847B2 (en) * | 2005-07-25 | 2012-08-21 | Warren Brent Davis | Reusable nesting and denesting plastic container |
US7390184B2 (en) * | 2005-11-09 | 2008-06-24 | Centoco Plastics Limited | Dual injection manifold |
ATE470554T1 (de) * | 2008-05-09 | 2010-06-15 | Hegler Ralph Peter Dr Ing | Extrusions-werkzeug für eine vorrichtung zur herstellung von kunststoff-verbundrohren mit querrillen |
CN101298185B (zh) * | 2008-06-27 | 2011-01-19 | 方墉 | 适于淀粉生物降解材料的吹膜机旋转模头 |
CN102555186A (zh) * | 2012-01-18 | 2012-07-11 | 潍坊市新恒达机械有限公司 | 中空成型机三层机头及中层发泡的三层中空料坯制造方法 |
CN103434117A (zh) * | 2013-08-27 | 2013-12-11 | 苏州同大机械有限公司 | 塑料中空成型机模头中的储料芯 |
KR101670838B1 (ko) * | 2014-10-23 | 2016-11-04 | 박재순 | 압출 성형기용 다이스 구조체 |
DE102015012937A1 (de) * | 2015-10-01 | 2017-04-06 | Kocher-Plastik Maschinenbau Gmbh | Vorrichtung zur Reduzierung der mikrobiologischen Kontaminaten von Behältererzeugnissen |
US10889046B2 (en) | 2016-09-12 | 2021-01-12 | Lifetime Products, Inc. | Dual color blow molding process |
DE102019127661A1 (de) * | 2019-08-06 | 2021-02-11 | Kautex Maschinenbau Gmbh | Schmelzeverteiler |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1964675A1 (de) * | 1969-12-23 | 1971-07-01 | Windmoeller & Hoelscher | Folienblaskopf zur Herstellung von Kunststoff-Schlauchfolien |
DE2046334A1 (en) * | 1970-09-19 | 1972-03-23 | Siemag Siegener Masch Bau | Rotary piston storage head - for thermoplastic fusions producing tubular products from blow mould equipment |
DE2239987A1 (de) * | 1972-08-14 | 1974-02-28 | Grigull Hans Dipl Ing | Vorrichtung zum auspressen von extrudiertem thermoplastischen material |
DE2320687A1 (de) * | 1973-04-24 | 1974-11-14 | Windmoeller & Hoelscher | Folienblaskopf fuer die herstellung von schlauchfolien |
US3985490A (en) * | 1974-06-04 | 1976-10-12 | Mauser Kommanditgesellschaft | Apparatus for extruding a homogeneous tubular length of soft thermoplastic material |
DE2537419C2 (de) * | 1975-08-22 | 1983-08-11 | Bekum Maschinenfabriken Gmbh, 1000 Berlin | Schmelzeverteiler in Rohr- oder Blasköpfen mit einer Pinole als Kern und diese umgebenden Gehäuse |
US4305902A (en) * | 1976-03-26 | 1981-12-15 | Owens-Illinois, Inc. | Method of making plastic articles |
DE2617898C2 (de) * | 1976-04-23 | 1984-06-28 | Reiner Dipl.-Ing. 5205 St.Augustin Kader | Spritzkopf zum Herstellen eines schlauchförmigen Stranges aus thermoplastischem Kunststoff |
US4120633A (en) * | 1976-06-09 | 1978-10-17 | Harald Feuerherm | Extrusion press head for the extrusion of tubular strands of plastic material |
DE2712910A1 (de) * | 1977-03-24 | 1978-09-28 | Mauser Kg | Schlauchkopf |
JPS5431465A (en) * | 1977-08-16 | 1979-03-08 | Kureha Chem Ind Co Ltd | Die for extruding multilayered tube |
US4182603A (en) * | 1978-03-27 | 1980-01-08 | Egan Machinery Company | Multilayer tubular extrusion die |
US4201532A (en) * | 1978-08-02 | 1980-05-06 | Cole Robert J | Extrusion dies of spiral mandrel type |
US4422838A (en) * | 1979-12-27 | 1983-12-27 | Ishikawajima-Harima Jukogyo Kabushiki Kaisha | Extrusion head for use in blow molding machine |
DE3000444C2 (de) * | 1980-01-08 | 1983-12-29 | Ishikawajima-Harima Jukogyo K.K., Tokyo | Blaskopf für eine Hohlkörper-Blasmaschine |
DE3026822C2 (de) * | 1980-07-16 | 1985-02-21 | Reiner Dipl.-Ing. 5205 St.Augustin Kader | Winkelspritzkopf zum Herstellen eines Schlauches |
DE3102076A1 (de) * | 1981-01-23 | 1982-09-02 | Krupp Kautex Maschinenbau GmbH, 5300 Bonn | Verfahren und vorrichtung zum herstellen eines vorformlinges aus thermoplastischem kunststoff durch extrudieren |
JPS5985720A (ja) * | 1982-11-08 | 1984-05-17 | Shin Etsu Handotai Co Ltd | インフレ−シヨンフイルム成形用ダイ装置 |
US4548569A (en) * | 1984-08-06 | 1985-10-22 | Somerset Technologies, Inc. | Accumulator head |
US4731216A (en) * | 1985-05-29 | 1988-03-15 | E. I. Du Pont De Nemours And Company | Process for manufacturing a seamless laminar article |
US4609340A (en) * | 1985-08-23 | 1986-09-02 | Hoover Universal, Inc. | Accumulator head with diverter sleeve |
DE3623308A1 (de) * | 1986-07-11 | 1988-01-28 | Battenfeld Fischer Blasform | Strangpresskopf zur herstellung von verbundschlaeuchen aus unterschiedlichen thermoplastischen kunststoffmaterialien |
EP0279321A3 (de) * | 1987-02-14 | 1990-05-09 | BEKUM Maschinenfabriken GmbH | Coextrusionskopf |
US4802833A (en) * | 1988-03-21 | 1989-02-07 | Hoover Universal, Inc. | Accumulator head for producing a storage drum with view stripe |
DE3822524A1 (de) * | 1988-07-04 | 1990-01-11 | Kautex Maschinenbau Gmbh | Verfahren und vorrichtung zum herstellen von hohlkoerpern aus thermoplastischen kunststoffen |
DE3902270A1 (de) * | 1989-01-26 | 1990-08-02 | Guenter Dipl Ing Richter | Verfahren und vorrichtung zur diskontinuierlichen herstellung mehrschichtiger, coextrudierter, schlauchartiger vorformlinge aus thermoplastischem kunststoff |
US5116215A (en) * | 1991-07-05 | 1992-05-26 | Cincinnati Milacron Inc. | Accumulator head for extrusion blow molding machine |
-
1991
- 1991-05-28 CA CA2064688A patent/CA2064688A1/en not_active Abandoned
- 1991-05-28 JP JP3509276A patent/JP2562538B2/ja not_active Expired - Fee Related
- 1991-05-28 DE DE59108030T patent/DE59108030D1/de not_active Expired - Fee Related
- 1991-05-28 DK DK91910098.2T patent/DK0486636T3/da active
- 1991-05-28 HU HU9200670A patent/HU211099B/hu not_active IP Right Cessation
- 1991-05-28 EP EP91910064A patent/EP0494273B1/de not_active Expired - Lifetime
- 1991-05-28 BR BR919105780A patent/BR9105780A/pt not_active IP Right Cessation
- 1991-05-28 AU AU78995/91A patent/AU7899591A/en not_active Abandoned
- 1991-05-28 EP EP91910098A patent/EP0486636B1/de not_active Expired - Lifetime
- 1991-05-28 HU HU9200669A patent/HU211115B/hu not_active IP Right Cessation
- 1991-05-28 BR BR919105779A patent/BR9105779A/pt not_active IP Right Cessation
- 1991-05-28 AT AT91910064T patent/ATE140652T1/de not_active IP Right Cessation
- 1991-05-28 JP JP3509526A patent/JPH05501833A/ja active Pending
- 1991-05-28 DE DE59104486T patent/DE59104486D1/de not_active Expired - Fee Related
- 1991-05-28 WO PCT/EP1991/000984 patent/WO1991018731A1/de active IP Right Grant
- 1991-05-28 CA CA2064759A patent/CA2064759C/en not_active Expired - Fee Related
- 1991-05-28 US US07/828,981 patent/US5256051A/en not_active Expired - Lifetime
- 1991-05-28 AT AT91910098T patent/ATE117932T1/de not_active IP Right Cessation
- 1991-05-28 KR KR1019920700226A patent/KR100187708B1/ko not_active IP Right Cessation
- 1991-05-28 WO PCT/EP1991/000985 patent/WO1991018732A1/de active IP Right Grant
- 1991-05-28 AU AU78996/91A patent/AU7899691A/en not_active Abandoned
- 1991-05-28 ES ES91910098T patent/ES2069890T3/es not_active Expired - Lifetime
-
1992
- 1992-01-28 NO NO92920371A patent/NO920371L/no unknown
- 1992-01-28 NO NO92920368A patent/NO920368L/no unknown
- 1992-01-31 KR KR1019920700227A patent/KR100187709B1/ko not_active IP Right Cessation
-
1995
- 1995-03-17 GR GR950400577T patent/GR3015445T3/el unknown
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