DE69018953D1 - Mehrschichtige Folienmaterialien und Verpackungen, sowie Methoden und Vorrichtung zu ihrer Herstellung. - Google Patents
Mehrschichtige Folienmaterialien und Verpackungen, sowie Methoden und Vorrichtung zu ihrer Herstellung.Info
- Publication number
- DE69018953D1 DE69018953D1 DE69018953T DE69018953T DE69018953D1 DE 69018953 D1 DE69018953 D1 DE 69018953D1 DE 69018953 T DE69018953 T DE 69018953T DE 69018953 T DE69018953 T DE 69018953T DE 69018953 D1 DE69018953 D1 DE 69018953D1
- Authority
- DE
- Germany
- Prior art keywords
- melt stream
- stream element
- layer
- die
- encapsulating
- 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
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
-
- 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
-
- 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
- B29C48/185—Articles comprising two or more components, e.g. co-extruded layers the components being layers comprising six or more components, i.e. each component being counted once for each time it is present, e.g. in a layer
-
- 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
- B29C48/304—Extrusion nozzles or dies specially adapted for bringing together components, e.g. melts within 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
- B29C48/30—Extrusion nozzles or dies
- B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
-
- 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
- B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
- B29C48/307—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets specially adapted for bringing together components, e.g. melts within 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
- B29C48/30—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
-
- 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
- B29C48/49—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using two or more extruders to feed one die or nozzle
- B29C48/495—Feed-blocks
-
- 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
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/08—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the cooling method
- B32B37/085—Quenching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
- B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
-
- 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
- B29C2793/00—Shaping techniques involving a cutting or machining operation
- B29C2793/0063—Cutting longitudinally
-
- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0017—Combinations of extrusion moulding with other shaping operations combined with blow-moulding or thermoforming
-
- 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
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2327/00—Polyvinylhalogenides
- B32B2327/06—PVC, i.e. polyvinylchloride
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
- Hybrid Cells (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Battery Mounting, Suspending (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/458,487 US5236642A (en) | 1987-12-31 | 1989-12-28 | Multiple layer sheet materials, and packages, and methods and apparatus for making |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69018953D1 true DE69018953D1 (de) | 1995-06-01 |
Family
ID=23820980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69018953T Expired - Lifetime DE69018953D1 (de) | 1989-12-28 | 1990-12-21 | Mehrschichtige Folienmaterialien und Verpackungen, sowie Methoden und Vorrichtung zu ihrer Herstellung. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5236642A (de) |
EP (1) | EP0435790B1 (de) |
AT (1) | ATE121669T1 (de) |
DE (1) | DE69018953D1 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5705111A (en) * | 1987-12-31 | 1998-01-06 | American National Can Company | Methods for making multiple layer sheet materials |
US5250350A (en) * | 1991-12-03 | 1993-10-05 | The Dow Chemical Company | Modified burn characteristic Saranex film |
DE69607694T2 (de) * | 1995-07-17 | 2001-02-22 | Atochem Elf Sa | Verfahren zum Koextrudieren von zwei Materialen mit unterschiedlicher Temperatur |
US6576305B2 (en) * | 1996-06-07 | 2003-06-10 | Saint-Gobain Vetrotex America, Inc. | Package having a multilayer film disposed around a layered coil of filament strands |
AU6372600A (en) * | 1999-08-17 | 2001-03-13 | Dow Chemical Company, The | Multilayer barrier structures and process for preparing the same |
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 |
US6528134B1 (en) | 2000-06-21 | 2003-03-04 | Pechiney Emballage Flexible Europe | Non-wax packaging film |
US6500514B1 (en) | 2000-08-29 | 2002-12-31 | Pechiney Emballage Flexible Europe | Encapsulated barrier for flexible films and a method of making the same |
US7384679B2 (en) * | 2000-08-29 | 2008-06-10 | Pechiney Emballage Flexible Europe | Encapsulated barrier for flexible films and a method of making and using the same |
US6793474B2 (en) * | 2001-02-09 | 2004-09-21 | American Maplan Corporation | Method and system for dual co-extrusion |
US6837698B2 (en) * | 2001-12-19 | 2005-01-04 | 3M Innovative Properties Company | Multilayer coextrusion die and method |
US6949283B2 (en) * | 2001-12-19 | 2005-09-27 | 3M Innovative Properties Company | Polymeric coextruded multilayer articles |
US7421830B1 (en) * | 2002-09-24 | 2008-09-09 | Extrutech International, Inc. | Layered composites |
US7385004B2 (en) * | 2002-12-10 | 2008-06-10 | Cellresin Technologies, Llc | Enhanced lubrication in polyolefin closure with polyolefin grafted cyclodextrin |
US7166671B2 (en) * | 2002-12-10 | 2007-01-23 | Cellresin Technologies, Llc | Grafted cyclodextrin |
US8129450B2 (en) | 2002-12-10 | 2012-03-06 | Cellresin Technologies, Llc | Articles having a polymer grafted cyclodextrin |
US20050094903A1 (en) * | 2003-11-04 | 2005-05-05 | Nyambi Samuel O. | Pouch |
KR101158945B1 (ko) | 2004-05-24 | 2012-07-06 | 셀레진 테크날러지스, 엘엘씨 | 양성이며 이식된 장벽 물질 |
US10005259B2 (en) * | 2004-12-10 | 2018-06-26 | L'oreal | Packaging device for a hair dyeing product |
US7568902B2 (en) * | 2005-06-08 | 2009-08-04 | Eastern Petroleum Sdn Bhd | Bitumen bale capsule, capsule dispenser, and bale strip former for viscous bitumen products |
AR075359A1 (es) * | 2009-01-30 | 2011-03-30 | Kraft Foods Global Brands Llc | Producto de confiteria de chocolate con estabilidad superior |
WO2017042086A1 (en) * | 2015-09-07 | 2017-03-16 | Sabic Global Technologies B.V. | Process for production of stretch film |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU5893073A (en) * | 1973-08-06 | 1975-02-06 | The Dow Chemical Company | Multilayer laminated sheet for rigid packaging |
JPS5759048B2 (de) * | 1974-07-16 | 1982-12-13 | Nippon Unicar Co Ltd | |
JPS56157355A (en) * | 1980-05-08 | 1981-12-04 | Tokan Kogyo Co Ltd | Laminated film using regenerated resin and its manufacture and its device |
US4436778A (en) * | 1981-10-05 | 1984-03-13 | Ball Corporation | Multilayer tubular body with uncentered barrier layer |
GB2143471B (en) * | 1983-07-18 | 1987-08-12 | Metal Box Plc | Multilayer plastics structures and apparatus and methods for their manufacture |
US4533510A (en) * | 1983-09-19 | 1985-08-06 | Nissel Frank R | Method and apparatus for continuously co-extruding a sheet |
JPS61283521A (ja) * | 1985-06-10 | 1986-12-13 | Idemitsu Petrochem Co Ltd | 多層樹脂材料の製造方法 |
US4789513A (en) * | 1987-06-05 | 1988-12-06 | P.C.E. Corp. | Coextrusion apparatus and process |
US4784815A (en) * | 1987-06-05 | 1988-11-15 | P.C.E. Corp. | Edge-laminating apparatus and process |
US4842791A (en) * | 1987-06-30 | 1989-06-27 | The Dow Chemical Company | Extrusion apparatus and process for production of multilayer film containing an inner barrier layer |
US4804510A (en) * | 1987-06-30 | 1989-02-14 | The Dow Chemical Company | Filtering system for use in coextrusion apparatus and method of use |
US4780258A (en) * | 1987-07-17 | 1988-10-25 | P.C.E. Corp. | Coextruded laminate having barrier layers |
US4839131A (en) * | 1987-09-03 | 1989-06-13 | P.C.E. Corp. | Layer width control |
US4944972A (en) * | 1987-12-31 | 1990-07-31 | American National Can Company | Coextrusion apparatus, methods, and related films and packages |
US5061534A (en) * | 1988-04-22 | 1991-10-29 | American National Can Company | High oxygen barrier film |
EP0345987B1 (de) * | 1988-06-09 | 1996-09-18 | American National Can Company | Verfahren zum Herstellen von mehrschichtigen Folienmaterialien, Verfahren zur Verarbeitung von Polymeren, Extrusionsvorrichtung, polymerisches Folienmaterial und hiermit hergestellte Verpackung |
-
1989
- 1989-12-28 US US07/458,487 patent/US5236642A/en not_active Expired - Lifetime
-
1990
- 1990-12-21 DE DE69018953T patent/DE69018953D1/de not_active Expired - Lifetime
- 1990-12-21 EP EP90420564A patent/EP0435790B1/de not_active Expired - Lifetime
- 1990-12-21 AT AT90420564T patent/ATE121669T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ATE121669T1 (de) | 1995-05-15 |
EP0435790B1 (de) | 1995-04-26 |
US5236642A (en) | 1993-08-17 |
EP0435790A3 (en) | 1991-08-21 |
EP0435790A2 (de) | 1991-07-03 |
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