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)
French (fr)
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/xx

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

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
US4310584A (en) * 1979-12-26 1982-01-12 The Mearl Corporation Multilayer light-reflecting film
USRE31780E (en) * 1979-12-26 1984-12-25 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
WO1989002938A1 (en) * 1987-10-02 1989-04-06 Hills Research & Development, Inc. Profiled multi-component fibers and method and apparatus for making same
US4923551A (en) * 1988-03-07 1990-05-08 The Dow Chemical Company Method for the production of composite plastic film
DE8816689U1 (de) * 1988-06-29 1990-04-05 Reifenhäuser GmbH & Co Maschinenfabrik, 5210 Troisdorf Vorrichtung 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
CA2130810A1 (en) * 1992-02-25 1993-09-02 Walter J. Schrenk All-polymeric ultraviolet reflecting film
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
WO1994010589A1 (en) * 1992-10-29 1994-05-11 The Dow Chemical Company Formable reflective multilayer body
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
US5828488A (en) * 1993-12-21 1998-10-27 Minnesota Mining And Manufacturing Co. Reflective polarizer display
US6025897A (en) 1993-12-21 2000-02-15 3M Innovative Properties Co. Display with reflective polarizer and randomizing cavity
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
CN1046664C (zh) 1993-12-21 1999-11-24 美国3M公司 多层聚合物薄膜，其制造方法及其应用
US5882774A (en) 1993-12-21 1999-03-16 Minnesota Mining And Manufacturing Company Optical film
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
US6088067A (en) * 1995-06-26 2000-07-11 3M Innovative Properties Company Liquid crystal display projection system using multilayer optical film polarizers
JPH11508702A (ja) 1995-06-26 1999-07-27 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 多層光学フィルムリフレクタを備えたバックライトシステム
CN1106937C (zh) 1995-06-26 2003-04-30 美国3M公司 带有附加涂层或附加层的多层聚合物薄膜
WO1997001781A2 (en) * 1995-06-26 1997-01-16 Minnesota Mining And Manufacturing Company Diffusely reflecting multilayer polarizers and mirrors
US5699188A (en) * 1995-06-26 1997-12-16 Minnesota Mining And Manufacturing Co. Metal-coated multilayer mirror
JP3935936B2 (ja) * 1995-06-26 2007-06-27 スリーエム カンパニー 反射偏光型半透過反射体を備えた半透過反射型ディスプレイ
BR9608724A (pt) 1995-06-26 1999-06-29 Minnesota Mining & Mfg Adesivo difusor de luz e dispositivo ótico
WO1997001778A1 (en) 1995-06-26 1997-01-16 Minnesota Mining And Manufacturing Company Transparent multilayer device
US5686979A (en) * 1995-06-26 1997-11-11 Minnesota Mining And Manufacturing Company Optical panel capable of switching between reflective and transmissive states
US6737154B2 (en) 1995-06-26 2004-05-18 3M Innovative Properties Company Multilayer polymer film with additional coatings or layers
US6080467A (en) 1995-06-26 2000-06-27 3M Innovative Properties Company High efficiency optical devices
DE69616075T2 (de) * 1995-08-11 2002-06-20 Minnesota Mining And Mfg. Co., Saint Paul Elektrolumineszenzlampe mit optischen mehrschichtfilm
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
US6808658B2 (en) * 1998-01-13 2004-10-26 3M Innovative Properties Company Method for making texture multilayer optical films
DE69942143D1 (de) 1998-01-13 2010-04-29 Minnesota Mining & Mfg Verfahren und vorrichtung zur herstellung mehrschichtiger optischer folien
US6207260B1 (en) 1998-01-13 2001-03-27 3M Innovative Properties Company Multicomponent optical body
US6788463B2 (en) * 1998-01-13 2004-09-07 3M Innovative Properties Company Post-formable multilayer optical films and methods of forming
US6049419A (en) 1998-01-13 2000-04-11 3M Innovative Properties Co Multilayer infrared reflecting optical body
US6045894A (en) * 1998-01-13 2000-04-04 3M Innovative Properties Company Clear to colored security film
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
JP3866747B2 (ja) * 2002-10-15 2007-01-10 シャープ株式会社 太陽電池モジュール
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 (de) 2003-10-27 2008-04-02 ExxonMobil Chemical Patents Inc. Mikroschichtzusammensetzung und Herstellungsverfahren dafür
US20060024491A1 (en) * 2004-07-27 2006-02-02 Engelhard Corporation Optical effect films with customized central layer
PL1814704T3 (pl) * 2004-10-22 2009-12-31 Dow Global Technologies Inc Wyroby kompozytowe z tworzyw sztucznych i sposób ich wytwarzania
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
TWI439641B (zh) 2007-05-20 2014-06-01 3M Innovative Properties Co 用於側面發光型背光之準直光注入器
WO2008144656A2 (en) 2007-05-20 2008-11-27 3M Innovative Properties Company Light recycling hollow cavity type display backlight
EP2487535A1 (de) 2007-05-20 2012-08-15 3M Innovative Properties Company Entwurfsparameter für Rückbeleuchtungen, welche einen dünnen Hohlraum aufweisen und das Licht mehrfach verwenden
KR101519171B1 (ko) 2007-05-20 2015-05-11 쓰리엠 이노베이티브 프로퍼티즈 컴파니 중공 공동 광 재순환 백라이트 내의 반경면 구성요소
US20090223025A1 (en) * 2007-12-20 2009-09-10 Issac Cyrluk Support chord protector
KR101571576B1 (ko) 2008-02-07 2015-11-24 쓰리엠 이노베이티브 프로퍼티즈 컴파니 구조화된 필름을 구비한 중공형 백라이트
US9541698B2 (en) 2008-02-22 2017-01-10 3M Innovative Properties Company Backlights having selected output light flux distributions and display systems using same
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
US8757858B2 (en) 2008-06-04 2014-06-24 3M Innovative Properties Company Hollow backlight with tilted light source
US20090305012A1 (en) * 2008-06-07 2009-12-10 Kevin Song Functional Optical Films with Nanostructures
US8876512B2 (en) * 2008-09-23 2014-11-04 Cryovac, Inc. Die for coextruding a plurality of fluid layers
US20100072655A1 (en) 2008-09-23 2010-03-25 Cryovac, Inc. Die, system, and method for coextruding a plurality of fluid layers
JP5519682B2 (ja) * 2008-10-24 2014-06-11 東レバッテリーセパレータフィルム株式会社 多層微多孔膜ならびにかかる膜を製造および使用するための方法
US8012572B2 (en) 2009-03-06 2011-09-06 Cryovac, Inc. Multilayer, heat-shrinkable film comprising a plurality of microlayers
WO2011019408A1 (en) 2009-08-14 2011-02-17 Milliken & Company Multilayer composite useful as a polymer additive
WO2011119387A2 (en) 2010-03-26 2011-09-29 3M Innovative Properties Company Textured film and process for manufacture thereof
EP2433779B1 (de) * 2010-09-23 2015-08-12 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Aus einer Vorform und einer mehrlagigen thermoplastischen Folie & xA;hergestelltes Verbundelement
JPWO2012096248A1 (ja) 2011-01-11 2014-06-09 東レバッテリーセパレータフィルム株式会社 多層微多孔膜、かかる膜の製造方法、およびかかる膜の使用
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 (en) 2013-11-04 2015-05-07 The Procter & Gamble Company Thermoplastic polymer compositions having co-continuous plate-like morphology
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
EP3229048A1 (de) 2016-04-05 2017-10-11 3M Innovative Properties Company Infraroterkennbarer rückstrahlender gegenstand
EP3229047A1 (de) 2016-04-05 2017-10-11 3M Innovative Properties Company Retroreflektierender artikel mit infraroterkennbarem muster
WO2018160866A1 (en) 2017-03-02 2018-09-07 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
WO2022173778A1 (en) 2021-02-10 2022-08-18 Flex Film (Usa), Inc. Multilayer articles and methods of making

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

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: THE DOW CHEMICAL CY

Effective date: 19920929