FR2530530B1 - Procede de production d'une feuille mince en matiere thermoplastique et cette feuille - Google Patents
Procede de production d'une feuille mince en matiere thermoplastique et cette feuilleInfo
- Publication number
- FR2530530B1 FR2530530B1 FR8311968A FR8311968A FR2530530B1 FR 2530530 B1 FR2530530 B1 FR 2530530B1 FR 8311968 A FR8311968 A FR 8311968A FR 8311968 A FR8311968 A FR 8311968A FR 2530530 B1 FR2530530 B1 FR 2530530B1
- Authority
- FR
- France
- Prior art keywords
- sheet
- thermoplastic material
- producing thin
- thin sheet
- producing
- 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
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/222—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length characterised by the shape of the surface
-
- 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
-
- 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
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
- B29C48/915—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means
- B29C48/9155—Pressure rollers
-
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
- B29C48/915—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means
- B29C48/917—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means by applying pressurised gas to the surface of the flat article
-
- 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
-
- 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
-
- 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
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
- B29C59/04—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
- B29K2023/0608—PE, i.e. polyethylene characterised by its density
- B29K2023/0625—LLDPE, i.e. linear low density polyethylene
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Laminated Bodies (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/400,416 US4668463A (en) | 1982-07-21 | 1982-07-21 | Method of making linear low density polyethylene film |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2530530A1 FR2530530A1 (fr) | 1984-01-27 |
FR2530530B1 true FR2530530B1 (fr) | 1987-08-28 |
Family
ID=23583523
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8311968A Expired FR2530530B1 (fr) | 1982-07-21 | 1983-07-20 | Procede de production d'une feuille mince en matiere thermoplastique et cette feuille |
Country Status (14)
Country | Link |
---|---|
US (1) | US4668463A (fr) |
JP (1) | JPS5967016A (fr) |
AR (1) | AR231615A1 (fr) |
AU (1) | AU553258B2 (fr) |
BE (1) | BE897338A (fr) |
BR (1) | BR8303887A (fr) |
CA (1) | CA1191315A (fr) |
CH (1) | CH653952A5 (fr) |
DE (1) | DE3326056A1 (fr) |
FR (1) | FR2530530B1 (fr) |
GB (1) | GB2124139B (fr) |
IT (1) | IT1163825B (fr) |
NL (1) | NL189654C (fr) |
SE (1) | SE461713B (fr) |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0139089A3 (fr) * | 1983-06-28 | 1986-01-08 | Union Carbide Corporation | Procédé de réduction des marges ondulées durant la fabrication de feuilles en polyéthylènes linéaires à densité basse (lldpe) |
US4552709A (en) * | 1983-11-04 | 1985-11-12 | The Procter & Gamble Company | Process for high-speed production of webs of debossed and perforated thermoplastic film |
DE3521331A1 (de) * | 1984-07-03 | 1986-01-30 | Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid | Verfahren zur herstellung eines hochfesten polymerfilms und vorrichtung zur ausfuehrung des verfahrens |
US4608221A (en) * | 1984-12-28 | 1986-08-26 | Union Carbide Corporation | Process for reducing draw resonance in polymeric film |
NL8502191A (nl) * | 1985-08-06 | 1987-03-02 | Stamicarbon | Werkwijze voor het vervaardigen van vlakfolie. |
NZ218971A (en) * | 1986-01-21 | 1989-05-29 | Mitsui Toatsu Chemicals | Porous polyolefin films and their preparation |
DE3623936C1 (fr) * | 1986-07-16 | 1987-12-03 | Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover, De | |
NL8700305A (nl) * | 1987-02-10 | 1988-09-01 | Stamicarbon | Werkwijze voor het vervaardigen van vlakfolie uit hogedichtheid polyetheen. |
US4780264A (en) * | 1987-05-22 | 1988-10-25 | The Dow Chemical Company | Linear low density polyethylene cast film |
US4859379A (en) * | 1987-12-30 | 1989-08-22 | Mobil Oil Corporation | Process for reducing draw resonance by heating film after extrusion |
US4897293A (en) * | 1988-07-12 | 1990-01-30 | Kendall Company | Novel roofing membrane and method of making |
US5582923A (en) | 1991-10-15 | 1996-12-10 | The Dow Chemical Company | Extrusion compositions having high drawdown and substantially reduced neck-in |
US5674342A (en) * | 1991-10-15 | 1997-10-07 | The Dow Chemical Company | High drawdown extrusion composition and process |
US5395471A (en) * | 1991-10-15 | 1995-03-07 | The Dow Chemical Company | High drawdown extrusion process with greater resistance to draw resonance |
DE4413363A1 (de) * | 1994-04-18 | 1995-10-26 | Tegafol Gmbh | Verfahren zur Herstellung von PP-Folien mit erhöhter Festigkeit |
US5773106A (en) | 1994-10-21 | 1998-06-30 | The Dow Chemical Company | Polyolefin compositions exhibiting heat resistivity, low hexane-extractives and controlled modulus |
US5618568A (en) * | 1995-02-01 | 1997-04-08 | Extrusion Dies, Inc. | Dual-chamber vacuum box |
DE19538049C2 (de) * | 1995-10-12 | 1997-10-23 | Bp Chemicals Plastec Gmbh | Verfahren zur Herstellung einer Folienbahn |
BE1010654A3 (fr) * | 1996-09-30 | 1998-11-03 | Solvay | Procede de mise en oeuvre d'une matiere thermoplastique semi-cristalline. |
DE19848395C2 (de) * | 1997-11-13 | 2003-01-30 | Tv Mainrollo Gmbh | Kühlmöbel mit einer Abdeckung |
DE19844786C2 (de) * | 1998-09-30 | 2002-10-31 | Tv Mainrollo Gmbh | Kühlmöbel mit einer Abschirmung |
JP4248783B2 (ja) * | 1999-09-14 | 2009-04-02 | クロペイ プラスチック プロダクツ カンパニー,インコーポレイテッド | プラスチックフィルムおよび不織積層物の高速製造方法 |
US6619941B1 (en) * | 2000-04-28 | 2003-09-16 | Battenfeld Gloucester Engineering Co., Inc. | Cast film cooling device |
US7374045B2 (en) * | 2003-03-26 | 2008-05-20 | Diliberto Samuel L | Disaster pack and method for making the same |
ATE367782T1 (de) | 2005-04-26 | 2007-08-15 | Rkw Ag | Verfahren zur herstellung einer folienbahn |
US7870960B2 (en) * | 2005-09-16 | 2011-01-18 | Diliberto Samuel L | Disaster pack |
DE102005054032A1 (de) * | 2005-11-10 | 2007-05-16 | Tesa Ag | Verfahren zur Herstellung von Haftklebemassen hoher Anisotropie |
WO2009099968A2 (fr) * | 2008-02-01 | 2009-08-13 | Clear Fx, Llc | Films artistiques et procédés de fabrication |
US8221298B2 (en) * | 2008-07-21 | 2012-07-17 | Paragon Films, Inc. | Apparatus and method for folding film edges |
EP2256159A1 (fr) * | 2009-05-26 | 2010-12-01 | Borealis AG | Composition de polymère pour tuyaux réticulés |
PL2256158T3 (pl) * | 2009-05-26 | 2014-09-30 | Borealis Ag | Kompozycja polimerowa do usieciowanych wyrobów |
US9827696B2 (en) | 2011-06-17 | 2017-11-28 | Fiberweb, Llc | Vapor-permeable, substantially water-impermeable multilayer article |
EP2723568B1 (fr) | 2011-06-23 | 2017-09-27 | Fiberweb, LLC | Article multicouches perméable à la vapeur d'eau, mais essentiellement imperméable à l'eau |
US10369769B2 (en) | 2011-06-23 | 2019-08-06 | Fiberweb, Inc. | Vapor-permeable, substantially water-impermeable multilayer article |
WO2012178011A2 (fr) | 2011-06-24 | 2012-12-27 | Fiberweb, Inc. | Article multicouches perméable à la vapeur d'eau, mais essentiellement imperméable à l'eau |
EP2565013B1 (fr) | 2011-09-02 | 2014-11-26 | Rkw Se | Procédé de tension d'une bande de feuille |
US9492332B2 (en) | 2014-05-13 | 2016-11-15 | Clopay Plastic Products Company, Inc. | Breathable and microporous thin thermoplastic film |
BR112018000507B1 (pt) * | 2015-07-10 | 2023-01-24 | Berry Global, Inc | Processo para a fabricação de um filme respirável microporoso |
US11472085B2 (en) | 2016-02-17 | 2022-10-18 | Berry Plastics Corporation | Gas-permeable barrier film and method of making the gas-permeable barrier film |
ITUA20162365A1 (it) * | 2016-04-07 | 2017-10-07 | Colines Spa | Sistema e metodo per la riduzione della risonanza di stiro in impianti per la produzione di film plastici |
US11584111B2 (en) | 2018-11-05 | 2023-02-21 | Windmoeller & Hoelscher Kg | Breathable thermoplastic film with reduced shrinkage |
EA202190934A1 (ru) | 2018-11-05 | 2022-02-04 | Клонер С.Л. | Соэкструдированная многослойная структура и способ ее получения |
CN113263729B (zh) * | 2021-07-16 | 2021-10-08 | 广东天安新材料股份有限公司 | 一种多层聚氯乙烯薄膜的层压方法 |
Family Cites Families (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2137235A (en) * | 1937-02-15 | 1938-11-22 | Du Pont | Shaped articles from polymeric materials |
US2945261A (en) * | 1956-05-31 | 1960-07-19 | Monsanto Chemicals | Preparation of foamed thermoplastic resin forms having wrinkle-free profile surfaces |
BE591344A (fr) * | 1960-06-03 | 1900-01-01 | ||
US3161560A (en) * | 1961-01-04 | 1964-12-15 | Int Paper Co | Extrusion coated paper and method of making the same |
DE1504432C3 (de) * | 1961-04-20 | 1974-09-19 | Kalle Ag, 6202 Wiesbaden-Biebrich | Verfahren beim Herstellen von Polyolefin-Flachfolien |
CH393727A (de) * | 1961-04-20 | 1965-06-15 | Kalle Ag | Verfahren zur Herstellung von Polyolefin-Flachfolien |
US3159696A (en) * | 1961-11-07 | 1964-12-01 | Avisun Corp | Method and apparatus for casting of shaped articles |
US3340328A (en) * | 1962-12-13 | 1967-09-05 | Continental Oil Co | Blends of polyethylenes having improved properties |
DE1504464C3 (de) * | 1964-06-02 | 1975-05-15 | Hoechst Ag, 6000 Frankfurt | Verfahren und Vorrichtung zur Herstellung von hochtransparenten Folien aus thermoplastischen Kunststoffen |
JPS4615706Y1 (fr) * | 1967-10-24 | 1971-06-01 | ||
US3547891A (en) * | 1969-04-02 | 1970-12-15 | Eastman Kodak Co | Heat formable polyester film |
CA950617A (en) * | 1969-06-04 | 1974-07-09 | Jan B. Van Cappellen | Method and apparatus for controlling "necking-in" of extruded film |
GB1392519A (en) * | 1972-09-07 | 1975-04-30 | Scott Ltd H A | Process and apparatus for producing or treating plastics films and sheets and materials produced thereby |
DE2346543C3 (de) * | 1973-09-15 | 1980-04-03 | Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover | Fünf-Walzen-Kalander zur Herstellung von Folien aus thermoplastischem Kunststoff |
DE2425957A1 (de) * | 1974-05-30 | 1975-12-18 | Scott Ltd H & A | Verfahren und vorrichtung zum herstellen gepraegter kunststoffolien und kunststoffplatten sowie derartige platten |
GB1469983A (en) * | 1974-08-07 | 1977-04-14 | Ici Ltd | Polymeric film production |
CA1054763A (fr) * | 1974-10-31 | 1979-05-22 | William J. Bonner | Appareil et methode de repoussage sur materiau en feuilles |
JPS5835131B2 (ja) * | 1975-04-01 | 1983-08-01 | 帝人株式会社 | 熱可塑性樹脂フイルムの製造装置 |
US4115499A (en) * | 1975-04-04 | 1978-09-19 | Monsanto Research Corporation | Large void-free polyethylene castings |
US4182606A (en) * | 1975-11-20 | 1980-01-08 | Fiber Industries, Inc. | Slit extrusion die |
US4336212A (en) * | 1977-10-11 | 1982-06-22 | Asahi-Dow Limited | Composition for drawn film, cold drawn film made of said composition and process for manufacture of said film |
US4243619A (en) * | 1978-03-31 | 1981-01-06 | Union Carbide Corporation | Process for making film from low density ethylene hydrocarbon copolymer |
US4193961A (en) * | 1978-04-04 | 1980-03-18 | Kling-Tecs, Inc. | Method of extruding polypropylene yarn |
US4211743A (en) * | 1978-05-24 | 1980-07-08 | Nauta Roll Corporation | Apparatus and method for embossing web material |
US4294791A (en) * | 1979-01-05 | 1981-10-13 | Teijin Limited | Process for producing thermoplastic resin film of markedly reduced thickness unevenness |
US4255365A (en) * | 1979-01-23 | 1981-03-10 | E. I. Du Pont De Nemours And Company | Pneumatic gauge adjustment of edge-pinned cast web |
JPS5846212B2 (ja) * | 1979-05-18 | 1983-10-14 | 旭化成株式会社 | ポリエチレン組成物 |
US4339507A (en) * | 1980-11-26 | 1982-07-13 | Union Carbide Corporation | Linear low density ethylene hydrocarbon copolymer containing composition for extrusion coating |
US4310295A (en) * | 1981-01-28 | 1982-01-12 | E. I. Du Pont De Nemours And Company | Device for uniform web pinning |
US4394474A (en) * | 1981-04-21 | 1983-07-19 | The Dow Chemical Company | Product and process for reducing block and increasing slip of linear low density ethylene copolymer films |
US4486377A (en) * | 1982-09-27 | 1984-12-04 | Union Carbide Corporation | Process for reducing draw resonance in polymeric film |
-
1982
- 1982-07-21 US US06/400,416 patent/US4668463A/en not_active Expired - Lifetime
-
1983
- 1983-07-18 CA CA000432639A patent/CA1191315A/fr not_active Expired
- 1983-07-19 SE SE8304038A patent/SE461713B/sv not_active IP Right Cessation
- 1983-07-20 BR BR8303887A patent/BR8303887A/pt not_active IP Right Cessation
- 1983-07-20 BE BE0/211212A patent/BE897338A/fr not_active IP Right Cessation
- 1983-07-20 AR AR293662A patent/AR231615A1/es active
- 1983-07-20 FR FR8311968A patent/FR2530530B1/fr not_active Expired
- 1983-07-20 IT IT22158/83A patent/IT1163825B/it active
- 1983-07-20 DE DE19833326056 patent/DE3326056A1/de active Granted
- 1983-07-21 GB GB08319664A patent/GB2124139B/en not_active Expired
- 1983-07-21 JP JP58133555A patent/JPS5967016A/ja active Granted
- 1983-07-21 AU AU17160/83A patent/AU553258B2/en not_active Ceased
- 1983-07-21 CH CH4007/83A patent/CH653952A5/fr not_active IP Right Cessation
- 1983-07-21 NL NLAANVRAGE8302606,A patent/NL189654C/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL8302606A (nl) | 1984-02-16 |
AU553258B2 (en) | 1986-07-10 |
SE461713B (sv) | 1990-03-19 |
SE8304038L (sv) | 1984-01-22 |
GB2124139B (en) | 1986-03-12 |
IT8322158A0 (it) | 1983-07-20 |
GB8319664D0 (en) | 1983-08-24 |
CH653952A5 (fr) | 1986-01-31 |
DE3326056C2 (fr) | 1993-01-28 |
AR231615A1 (es) | 1985-01-31 |
FR2530530A1 (fr) | 1984-01-27 |
BR8303887A (pt) | 1984-02-28 |
BE897338A (fr) | 1984-01-20 |
NL189654B (nl) | 1993-01-18 |
NL189654C (nl) | 1993-06-16 |
GB2124139A (en) | 1984-02-15 |
CA1191315A (fr) | 1985-08-06 |
SE8304038D0 (sv) | 1983-07-19 |
AU1716083A (en) | 1984-01-26 |
DE3326056A1 (de) | 1984-01-26 |
IT1163825B (it) | 1987-04-08 |
US4668463A (en) | 1987-05-26 |
JPH0359823B2 (fr) | 1991-09-11 |
IT8322158A1 (it) | 1985-01-20 |
JPS5967016A (ja) | 1984-04-16 |
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