WO2004080699A3 - Method of making retroreflective sheeting and slot die apparatus - Google Patents

Method of making retroreflective sheeting and slot die apparatus Download PDF

Info

Publication number
WO2004080699A3
WO2004080699A3 PCT/US2004/003638 US2004003638W WO2004080699A3 WO 2004080699 A3 WO2004080699 A3 WO 2004080699A3 US 2004003638 W US2004003638 W US 2004003638W WO 2004080699 A3 WO2004080699 A3 WO 2004080699A3
Authority
WO
WIPO (PCT)
Prior art keywords
slot die
die apparatus
retroreflective sheeting
making retroreflective
making
Prior art date
Application number
PCT/US2004/003638
Other languages
French (fr)
Other versions
WO2004080699A2 (en
Inventor
Stanley C Erickson
James C Breister
Erem Gregory H Van
David W Meitz
Stephen W Mohn
Paul Deroussel
Original Assignee
3M Innovative Properties Co
Stanley C Erickson
James C Breister
Erem Gregory H Van
David W Meitz
Stephen W Mohn
Paul Deroussel
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.)
Filing date
Publication date
Application filed by 3M Innovative Properties Co, Stanley C Erickson, James C Breister, Erem Gregory H Van, David W Meitz, Stephen W Mohn, Paul Deroussel filed Critical 3M Innovative Properties Co
Priority to JP2006508695A priority Critical patent/JP4575365B2/en
Priority to EP04709425A priority patent/EP1603738B1/en
Priority to DE602004024373T priority patent/DE602004024373D1/en
Priority to AT04709425T priority patent/ATE450365T1/en
Publication of WO2004080699A2 publication Critical patent/WO2004080699A2/en
Publication of WO2004080699A3 publication Critical patent/WO2004080699A3/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0254Coating heads with slot-shaped outlet
    • B05C5/0262Coating heads with slot-shaped outlet adjustable in width, i.e. having lips movable relative to each other in order to modify the slot width, e.g. to close it
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/07Flat, e.g. panels
    • B29C48/08Flat, e.g. panels flexible, e.g. films
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • B29C48/305Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • B29C48/31Extrusion nozzles or dies having a wide opening, e.g. for forming sheets being adjustable, i.e. having adjustable exit sections
    • B29C48/313Extrusion nozzles or dies having a wide opening, e.g. for forming sheets being adjustable, i.e. having adjustable exit sections by positioning the die lips
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911Cooling
    • B29C48/9135Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/914Cooling of flat articles, e.g. using specially adapted supporting means cooling drums
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911Cooling
    • B29C48/9135Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/9145Endless cooling belts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/00605Production of reflex reflectors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00Optical elements, e.g. lenses, prisms
    • B29L2011/0083Reflectors
    • B29L2011/0091Reflex reflectors

Abstract

The invention relates to a method of making retroreflective sheeting and other articles prepared from casting a fluid synthetic resin onto a tool having a microstructured surface with a slot die apparatus. The invention further relates to a slot die apparatus.
PCT/US2004/003638 2003-03-06 2004-02-09 Method of making retroreflective sheeting and slot die apparatus WO2004080699A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2006508695A JP4575365B2 (en) 2003-03-06 2004-02-09 Retroreflective sheeting manufacturing method and slot die apparatus
EP04709425A EP1603738B1 (en) 2003-03-06 2004-02-09 Method of making retroreflective sheeting and slot die apparatus
DE602004024373T DE602004024373D1 (en) 2003-03-06 2004-02-09 METHOD FOR PRODUCING A RETRORE-FLYING FILM AND SLIDE NOZZLE DEVICE
AT04709425T ATE450365T1 (en) 2003-03-06 2004-02-09 METHOD FOR PRODUCING A RETROREFLECTIVE FILM AND SLOT NOZZLE DEVICE

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/382,375 2003-03-06
US10/382,375 US7410604B2 (en) 2003-03-06 2003-03-06 Method of making retroreflective sheeting and slot die apparatus

Publications (2)

Publication Number Publication Date
WO2004080699A2 WO2004080699A2 (en) 2004-09-23
WO2004080699A3 true WO2004080699A3 (en) 2005-02-10

Family

ID=32926886

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/003638 WO2004080699A2 (en) 2003-03-06 2004-02-09 Method of making retroreflective sheeting and slot die apparatus

Country Status (6)

Country Link
US (2) US7410604B2 (en)
EP (1) EP1603738B1 (en)
JP (1) JP4575365B2 (en)
AT (1) ATE450365T1 (en)
DE (1) DE602004024373D1 (en)
WO (1) WO2004080699A2 (en)

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US6540367B1 (en) * 1999-04-07 2003-04-01 3M Innovative Properties Company Structured surface articles containing geometric structures with compound faces and methods for making same
EP2442149A3 (en) 2003-03-06 2012-05-23 3M Innovative Properties Co. Lamina comprising cube corner elements and retroreflective sheeting
US7156527B2 (en) 2003-03-06 2007-01-02 3M Innovative Properties Company Lamina comprising cube corner elements and retroreflective sheeting
US6884371B2 (en) * 2003-03-06 2005-04-26 3M Innovative Properties Company Method of making retroreflective sheeting and articles
JP2008529825A (en) 2005-01-20 2008-08-07 スリーエム イノベイティブ プロパティズ カンパニー Structured polymer film and method for producing the same
KR20070121747A (en) * 2005-04-18 2007-12-27 코니카 미놀타 옵토 인코포레이티드 Cellulose ester film, process for producing the same, optical film, polarizer, and liquid-crystal display
CN101346217B (en) * 2005-12-26 2011-08-31 柯尼卡美能达精密光学株式会社 Method of manufacturing cellulose film, manufacturing apparatus, optical film, polarizing plate and liquid crystal display
US8215943B2 (en) * 2006-06-01 2012-07-10 Avery Dennison Corporation Heat-transfer label assembly and apparatus for applying heat-transfer labels
EP2444225B1 (en) * 2007-06-20 2014-10-15 3M Innovative Properties Company Ultrasonic injection molding on a web
EP2223174A4 (en) 2007-11-27 2014-05-28 3M Innovative Properties Co Methods for forming sheeting with a composite image that floats and a master tooling
EP2350710B1 (en) 2008-10-22 2020-09-16 3M Innovative Properties Company Retroreflective sheeting
US9200775B2 (en) 2009-04-24 2015-12-01 3M Innovative Properties Company Light assembly
WO2011078988A1 (en) 2009-12-21 2011-06-30 3M Innovative Properties Company Transflective articles and light assemblies
US20110216411A1 (en) * 2010-03-05 2011-09-08 David Reed Patterned sheeting with periodic rotated patterned regions
WO2012166448A1 (en) 2011-05-31 2012-12-06 3M Innovative Properties Company Retroreflective articles having composite cube-corners and methods of making
JP5973561B2 (en) 2011-05-31 2016-08-23 スリーエム イノベイティブ プロパティズ カンパニー Method for making microstructured articles that are pattern-cured differently
CN103561927B (en) 2011-05-31 2016-07-27 3M创新有限公司 For the method preparing the microstructured tool with discontinuous shape characteristic and the goods manufactured by described instrument
US9085104B2 (en) * 2011-07-20 2015-07-21 Nordson Corporation Sculpted extrusion die
US9884447B2 (en) 2012-04-06 2018-02-06 3M Innovative Properties Company Tools for making retroreflective articles
KR102287612B1 (en) * 2014-07-28 2021-08-10 미래나노텍(주) Retroreflection structure and retroreflection sheet using the same
CN107710052B (en) 2015-06-12 2020-05-22 日本电石工业株式会社 Image display device
US10302954B2 (en) 2015-06-12 2019-05-28 Nippon Carbide Industries Co., Inc. Image display device
EP3317702B1 (en) 2015-06-30 2024-03-06 3M Innovative Properties Company A barrier element on a microstructured article
WO2018151959A1 (en) 2017-02-14 2018-08-23 3M Innovative Properties Company End milling methods for making microstructures, especially cube corner elements and articles comprising such microstructures
CN109759284B (en) * 2019-03-21 2023-12-15 泉州市大疆涂布设备有限公司 Coating machine coating die head convenient for quick and accurate replacement of gasket

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GB1279299A (en) * 1969-06-27 1972-06-28 Smith & Nephew Polyfab Production of films and multifilamentary yarns therefrom
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GB1279299A (en) * 1969-06-27 1972-06-28 Smith & Nephew Polyfab Production of films and multifilamentary yarns therefrom
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US20020197348A1 (en) * 2001-06-20 2002-12-26 Anton Rubhausen Extrusion die

Also Published As

Publication number Publication date
US20040173920A1 (en) 2004-09-09
WO2004080699A2 (en) 2004-09-23
ATE450365T1 (en) 2009-12-15
US20060134259A1 (en) 2006-06-22
EP1603738A2 (en) 2005-12-14
JP4575365B2 (en) 2010-11-04
US7410604B2 (en) 2008-08-12
EP1603738B1 (en) 2009-12-02
DE602004024373D1 (en) 2010-01-14
JP2006521230A (en) 2006-09-21
US7364421B2 (en) 2008-04-29

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