BE789478A - Procede et dispositif d'extrusion de matieres plastiques en feuilles multicouches - Google Patents

Procede et dispositif d'extrusion de matieres plastiques en feuilles multicouches

Info

Publication number
BE789478A
BE789478A BE789478DA BE789478A BE 789478 A BE789478 A BE 789478A BE 789478D A BE789478D A BE 789478DA BE 789478 A BE789478 A BE 789478A
Authority
BE
Belgium
Prior art keywords
layer sheets
extruding plastics
extruding
plastics
sheets
Prior art date
Application number
Other languages
English (en)
Inventor
W J Schrenk
Original Assignee
Dow Chemical Co
Priority date (The priority date 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 date listed.)
Publication date
Publication of BE789478A publication Critical patent/BE789478A/fr

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
    • B29C48/30—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
    • B29C48/03—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
    • B29C48/16—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
BE789478D 1971-10-01 Procede et dispositif d'extrusion de matieres plastiques en feuilles multicouches BE789478A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18553471A 1971-10-01 1971-10-01

Publications (1)

Publication Number Publication Date
BE789478A true BE789478A (fr) 1973-03-29

Family

ID=22681385

Family Applications (1)

Application Number Title Priority Date Filing Date
BE789478D BE789478A (fr) 1971-10-01 Procede et dispositif d'extrusion de matieres plastiques en feuilles multicouches

Country Status (12)

Country Link
US (1) US3773882A (fr)
JP (1) JPS5620172B2 (fr)
AU (1) AU459221B2 (fr)
BE (1) BE789478A (fr)
BR (1) BR7206808D0 (fr)
CA (1) CA972512A (fr)
DE (1) DE2247955C2 (fr)
FR (1) FR2156604B1 (fr)
GB (1) GB1408622A (fr)
IT (1) IT965486B (fr)
NL (1) NL174633C (fr)
SE (1) SE426218B (fr)

Families Citing this family (109)

* Cited by examiner, † Cited by third party
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US4094947A (en) * 1976-09-03 1978-06-13 The Dow Chemical Company Multilayer coextrusion process for producing selective reflectivity
USRE31780E (en) * 1979-12-26 1984-12-25 The Mearl Corporation Multilayer light-reflecting film
US4310584A (en) * 1979-12-26 1982-01-12 The Mearl Corporation Multilayer light-reflecting film
JPS5881278A (ja) * 1981-11-11 1983-05-16 Hitachi Ltd 膨張弁
JPS58129377U (ja) * 1982-02-24 1983-09-01 株式会社イナックス 湯水混合水栓
US4540623A (en) * 1983-10-14 1985-09-10 The Dow Chemical Company Coextruded multi-layered articles
US4797308A (en) * 1987-07-06 1989-01-10 The Mearl Corporation Simulated mother-of-pearl
US5162074A (en) * 1987-10-02 1992-11-10 Basf Corporation Method of making plural component fibers
EP0413688B1 (fr) * 1987-10-02 1994-06-22 Basf Corporation Procédé et appareil pour la fabrication de fibres profilées à composants multiples
US4923551A (en) * 1988-03-07 1990-05-08 The Dow Chemical Company Method for the production of composite plastic film
DE3821902A1 (de) * 1988-06-29 1990-01-04 Reifenhaeuser Masch Anlage zum extrudieren eines mehrschichtigen stranges aus thermoplastifizierten kunststoffen
US5122905A (en) * 1989-06-20 1992-06-16 The Dow Chemical Company Relective polymeric body
US5486949A (en) * 1989-06-20 1996-01-23 The Dow Chemical Company Birefringent interference polarizer
US5149578A (en) * 1989-12-26 1992-09-22 The Dow Chemical Company Multilayer film for tamper indication by use of optical interference reflection
US5278694A (en) * 1990-01-11 1994-01-11 The Dow Chemical Company Optically dissimilar composition for polymeric reflective bodies
US5103337A (en) * 1990-07-24 1992-04-07 The Dow Chemical Company Infrared reflective optical interference film
US5126880A (en) * 1990-12-18 1992-06-30 The Dow Chemical Company Polymeric reflective bodies with multiple layer types
US5094793A (en) * 1990-12-21 1992-03-10 The Dow Chemical Company Methods and apparatus for generating interfacial surfaces
US5217794A (en) * 1991-01-22 1993-06-08 The Dow Chemical Company Lamellar polymeric body
JPH07507152A (ja) * 1992-02-25 1995-08-03 ミネソタ　マイニング　アンド　マニュファクチャリング　カンパニー 全ポリマー紫外線反射フィルム
US5234729A (en) * 1992-02-27 1993-08-10 The Dow Chemical Company Multilayer polymeric reflective bodies for decorative and security applications
JP3521940B2 (ja) * 1992-10-09 2004-04-26 旭硝子株式会社 照明装置および液晶表示装置
US5339198A (en) * 1992-10-16 1994-08-16 The Dow Chemical Company All-polymeric cold mirror
CA2148115A1 (fr) * 1992-10-29 1994-05-11 Walter J. Schrenk Corps multicouche reflechissant et faconnable
US5353154A (en) * 1992-11-02 1994-10-04 The Dow Chemical Company Polymeric reflective materials utilizing a back light source
US5360659A (en) * 1993-05-24 1994-11-01 The Dow Chemical Company Two component infrared reflecting film
US5389324A (en) * 1993-06-07 1995-02-14 The Dow Chemical Company Layer thickness gradient control in multilayer polymeric bodies
US5946431A (en) * 1993-07-30 1999-08-31 Molecular Dynamics Multi-functional photometer with movable linkage for routing light-transmitting paths using reflective surfaces
US6804058B1 (en) 1993-12-21 2004-10-12 3M Innovative Properties Company Electroluminescent light source and display incorporating same
US6096375A (en) * 1993-12-21 2000-08-01 3M Innovative Properties Company Optical polarizer
US5828488A (en) * 1993-12-21 1998-10-27 Minnesota Mining And Manufacturing Co. Reflective polarizer display
DE69423651T2 (de) 1993-12-21 2000-09-21 Minnesota Mining And Mfg. Co., Saint Paul Mehrschichtiger optischer film
US5882774A (en) 1993-12-21 1999-03-16 Minnesota Mining And Manufacturing Company Optical film
US6025897A (en) 1993-12-21 2000-02-15 3M Innovative Properties Co. Display with reflective polarizer and randomizing cavity
US6101032A (en) * 1994-04-06 2000-08-08 3M Innovative Properties Company Light fixture having a multilayer polymeric film
US5500173A (en) * 1995-02-17 1996-03-19 Basf Corporation Method of making molded muticomponent articles using a thin plate flow distributor
AU716525B2 (en) 1995-06-26 2000-02-24 Minnesota Mining And Manufacturing Company Backlight system with multilayer optical film reflector
US5699188A (en) * 1995-06-26 1997-12-16 Minnesota Mining And Manufacturing Co. Metal-coated multilayer mirror
IL122244A0 (en) 1995-06-26 1998-04-05 Minnesota Mining & Mfg Multilayer polymer film with additional coatings or layers
US6737154B2 (en) 1995-06-26 2004-05-18 3M Innovative Properties Company Multilayer polymer film with additional coatings or layers
US6088067A (en) * 1995-06-26 2000-07-11 3M Innovative Properties Company Liquid crystal display projection system using multilayer optical film polarizers
EP0871923A1 (fr) * 1995-06-26 1998-10-21 Minnesota Mining And Manufacturing Company Dispositifs transflectifs a transflecteur de polarisation reflechissant
US5686979A (en) * 1995-06-26 1997-11-11 Minnesota Mining And Manufacturing Company Optical panel capable of switching between reflective and transmissive states
EP0855043B1 (fr) * 1995-06-26 2003-02-05 Minnesota Mining And Manufacturing Company Polariseurs et miroirs multicouches a reflexion diffuse
US6080467A (en) 1995-06-26 2000-06-27 3M Innovative Properties Company High efficiency optical devices
DE69626018D1 (de) 1995-06-26 2003-03-06 Minnesota Mining & Mfg Lichtstreuender klebstoff
BR9609392A (pt) 1995-06-26 1999-05-18 Minnesota Mining & Mfg Dispositivo de multicamadas transparente
KR100401041B1 (ko) * 1995-08-11 2003-12-31 미네소타 마이닝 앤드 매뉴팩춰링 캄파니 복층광학필름을이용한전계발광램프
US5661839A (en) 1996-03-22 1997-08-26 The University Of British Columbia Light guide employing multilayer optical film
US5808798A (en) * 1996-03-27 1998-09-15 Minnesota Mining And Manufacturing Co. Nonpolarizing beamsplitter
US5976424A (en) * 1996-07-31 1999-11-02 Minnesota Mining And Manufacturing Company Method for making multilayer optical films having thin optical layers
US5808794A (en) 1996-07-31 1998-09-15 Weber; Michael F. Reflective polarizers having extended red band edge for controlled off axis color
US5999316A (en) 1997-12-06 1999-12-07 3M Innovative Properties Company Light valve with rotating polarizing element
US6045894A (en) * 1998-01-13 2000-04-04 3M Innovative Properties Company Clear to colored security film
US6808658B2 (en) 1998-01-13 2004-10-26 3M Innovative Properties Company Method for making texture multilayer optical films
WO1999036248A2 (fr) 1998-01-13 1999-07-22 Minnesota Mining And Manufacturing Company Procede de fabrication de films optiques multicouches
US6049419A (en) 1998-01-13 2000-04-11 3M Innovative Properties Co Multilayer infrared reflecting optical body
US6788463B2 (en) 1998-01-13 2004-09-07 3M Innovative Properties Company Post-formable multilayer optical films and methods of forming
US6207260B1 (en) 1998-01-13 2001-03-27 3M Innovative Properties Company Multicomponent optical body
US6475608B2 (en) 1998-11-16 2002-11-05 Engelhard Corporation Multi-layer iridescent films
US20010046086A1 (en) * 1998-12-23 2001-11-29 3M Innovative Properties Company Polymeric interference film
US20040185258A1 (en) * 2001-08-13 2004-09-23 Tatsuo Fukushi Electron beam-bonded multilayer laminated body and process for its production
US6905324B2 (en) * 2002-04-26 2005-06-14 Cloeren Incorporated Interface control
AU2003272986A1 (en) * 2002-10-15 2004-05-04 Sharp Kabushiki Kaisha Solar cell and solar cell module using same
US7105117B2 (en) * 2003-01-06 2006-09-12 General Motors Corporation Manufacturing method for increasing thermal and electrical conductivities of polymers
US7420756B2 (en) 2003-05-20 2008-09-02 Donnelly Corporation Mirror reflective element
US7172008B2 (en) * 2003-09-18 2007-02-06 Velcro Industries B.V. Hook fasteners and methods of making the same
US20050090616A1 (en) * 2003-10-27 2005-04-28 Dias Anthony J. Microlayered composites and processes for making the same
EP1905581A1 (fr) 2003-10-27 2008-04-02 ExxonMobil Chemical Patents Inc. Composites à micro-couches et son processus de fabrication
US20060024491A1 (en) * 2004-07-27 2006-02-02 Engelhard Corporation Optical effect films with customized central layer
EP1805001A1 (fr) * 2004-10-22 2007-07-11 Dow Gloval Technologies Inc. Appareil et procede de fabrication d'articles composites renforces de plastique en forme
US7602108B2 (en) * 2005-05-26 2009-10-13 Eastman Chemical Company Micro-coextruded film modified with piezoelectric layers
US7180779B2 (en) * 2005-07-11 2007-02-20 Atmel Corporation Memory architecture with enhanced over-erase tolerant control gate scheme
US20070014977A1 (en) * 2005-07-12 2007-01-18 Daniel Graney Multilayer Film
US20070047080A1 (en) * 2005-08-31 2007-03-01 3M Innovative Properties Company Methods of producing multilayer reflective polarizer
US7357890B2 (en) 2005-10-18 2008-04-15 Cryovac, Inc. Apparatus and method for extruding a multilayered structure
US20070237918A1 (en) * 2006-04-06 2007-10-11 3M Innovative Properties Company Wrapping material comprising a multilayer film as tear strip
US20080274340A1 (en) * 2007-05-04 2008-11-06 Giammatteo Marc W Non-specular iridescent films
EP2535766A3 (fr) 2007-05-20 2013-05-01 3M Innovative Properties Company Film réflectif asymmetique et rétroéclairage ayant une cavité creuse réutilisant la lumière
WO2008144650A1 (fr) 2007-05-20 2008-11-27 3M Innovative Properties Company Injecteurs de lumière de collimation pour rétroéclairages à bord lumineux
KR101488042B1 (ko) 2007-05-20 2015-01-29 쓰리엠 이노베이티브 프로퍼티즈 컴파니 광-재순환 유형의 얇은 중공 공동 백라이트의 설계 파라미터
WO2008144644A2 (fr) 2007-05-20 2008-11-27 3M Innovative Properties Company Rétroéclairages de recyclage avec composants semi-spéculaires
US20090223025A1 (en) * 2007-12-20 2009-09-10 Issac Cyrluk Support chord protector
EP2255231A1 (fr) 2008-02-07 2010-12-01 3M Innovative Properties Company Rétroéclairage creux comportant des films structurés
EP2252828A1 (fr) 2008-02-22 2010-11-24 3M Innovative Properties Company Rétroéclairages ayant des répartitions de flux lumineux de sortie sélectionnées et systèmes d'affichage qui utilisent ces rétroéclairages
US20090243133A1 (en) * 2008-02-29 2009-10-01 3M Innovative Properties Company Film caliper control
ITMI20080927A1 (it) * 2008-05-20 2009-11-21 Meccaniche Luigi Bander A S P Pannello fotovoltaico relativo procedimento di produzione ed impianto per la realizzazione di tale procedimento
WO2009149010A1 (fr) 2008-06-04 2009-12-10 3M Innovative Properties Company Panneau lumineux creux avec source de lumière basculée
US20090305012A1 (en) * 2008-06-07 2009-12-10 Kevin Song Functional Optical Films with Nanostructures
US20100072655A1 (en) * 2008-09-23 2010-03-25 Cryovac, Inc. Die, system, and method for coextruding a plurality of fluid layers
US8876512B2 (en) * 2008-09-23 2014-11-04 Cryovac, Inc. Die for coextruding a plurality of fluid layers
WO2010048392A1 (fr) * 2008-10-24 2010-04-29 Tonen Chemical Corporation Membranes microporeuses multicouches et procédés de fabrication et d’utilisation de telles membranes
US8012572B2 (en) 2009-03-06 2011-09-06 Cryovac, Inc. Multilayer, heat-shrinkable film comprising a plurality of microlayers
WO2011019408A1 (fr) 2009-08-14 2011-02-17 Milliken & Company Composite multicouche utile en tant qu’additif polymère
JP5819930B2 (ja) 2010-03-26 2015-11-24 スリーエム イノベイティブ プロパティズ カンパニー 非平坦化フィルム及びその製造プロセス
EP2433779B1 (fr) * 2010-09-23 2015-08-12 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Élément composite fabriqué à partir d'une préforme et d'une feuille multicouche thermoplastique
KR20140031845A (ko) 2011-01-11 2014-03-13 도레이 배터리 세퍼레이터 필름 주식회사 다층 미다공막, 이러한 막의 제조 방법 및 이러한 막의 사용
US8709558B2 (en) 2011-06-14 2014-04-29 Cryovac, Inc. Sterilizable film for aseptic packaging
US9895837B2 (en) 2011-09-20 2018-02-20 3M Innovative Properties Company Textured film and process for manufacture
US9128307B2 (en) 2012-02-20 2015-09-08 Pleotint, L.L.C. Enhanced thermochromic window which incorporates a film with multiple layers of alternating refractive index
WO2015066588A1 (fr) 2013-11-04 2015-05-07 The Procter & Gamble Company Compositions de polymères thermoplastiques ayant une morphologie lamellaire co-continue
US10350633B2 (en) 2015-09-04 2019-07-16 The United States Of America, As Represented By The Secretary Of The Navy Composites and coatings containing multilayer polymer flakes for engineered reflective properties
EP3229047A1 (fr) 2016-04-05 2017-10-11 3M Innovative Properties Company Article rétroréfléchissant à motif détectable aux infrarouges
EP3229048A1 (fr) 2016-04-05 2017-10-11 3M Innovative Properties Company Article rétroréfléchissant à infrarouge détectable
US11662509B2 (en) 2017-03-02 2023-05-30 3M Innovative Properties Company Dynamic reflected color film with low optical caliper sensitivity
CN106965402A (zh) * 2017-04-27 2017-07-21 常州丰盛光电科技股份有限公司 复合材料层倍增器
US11006642B2 (en) 2017-10-17 2021-05-18 Dcw Casing Llc Apparatus and method for applying liquid to sausage
EP4291406A1 (fr) 2021-02-10 2023-12-20 Flex Films (USA) Inc. Articles multicouches et leurs procédés de fabrication

Family Cites Families (3)

* Cited by examiner, † Cited by third party
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GB374148A (en) * 1931-03-06 1932-06-06 Erinoid Ltd Improvements in or relating to apparatus for extruding plastic materials
DE1629349A1 (de) * 1966-02-08 1971-04-29 Dow Chemical Co Verfahren und Vorrichtung zur Herstellung von Kunststofferzeugnissen
US3565985A (en) * 1969-04-10 1971-02-23 Dow Chemical Co Method of preparing multilayer plastic articles

Also Published As

Publication number Publication date
JPS5620172B2 (fr) 1981-05-12
DE2247955A1 (de) 1973-04-12
IT965486B (it) 1974-01-31
FR2156604A1 (fr) 1973-06-01
SE426218B (sv) 1982-12-20
BR7206808D0 (pt) 1973-10-09
CA972512A (en) 1975-08-12
NL7213142A (fr) 1973-04-03
NL174633C (nl) 1984-07-16
AU4691072A (en) 1974-03-28
NL174633B (nl) 1984-02-16
DE2247955C2 (de) 1983-10-20
GB1408622A (en) 1975-10-01
JPS4843764A (fr) 1973-06-23
AU459221B2 (en) 1975-03-20
US3773882A (en) 1973-11-20
FR2156604B1 (fr) 1976-08-13

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: THE DOW CHEMICAL CY

Effective date: 19920929