DE69415991T2 - Neue bearbeitungstechnik für retroreflektiven würfeleckigen körper und herstellungsverfahren desselben - Google Patents

Neue bearbeitungstechnik für retroreflektiven würfeleckigen körper und herstellungsverfahren desselben

Info

Publication number
DE69415991T2
DE69415991T2 DE69415991T DE69415991T DE69415991T2 DE 69415991 T2 DE69415991 T2 DE 69415991T2 DE 69415991 T DE69415991 T DE 69415991T DE 69415991 T DE69415991 T DE 69415991T DE 69415991 T2 DE69415991 T2 DE 69415991T2
Authority
DE
Germany
Prior art keywords
retrore
corned
bodies
processing technology
manufacturing methods
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 - Fee Related
Application number
DE69415991T
Other languages
English (en)
Other versions
DE69415991D1 (de
Inventor
Gerald Benson
Kenneth Smith
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing 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.)
Filing date
Publication date
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of DE69415991D1 publication Critical patent/DE69415991D1/de
Application granted granted Critical
Publication of DE69415991T2 publication Critical patent/DE69415991T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/12—Reflex reflectors
    • G02B5/122—Reflex reflectors cube corner, trihedral or triple reflector type
    • G02B5/124—Reflex reflectors cube corner, trihedral or triple reflector type plural reflecting elements forming part of a unitary plate or sheet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/2457—Parallel ribs and/or grooves
DE69415991T 1993-10-20 1994-10-20 Neue bearbeitungstechnik für retroreflektiven würfeleckigen körper und herstellungsverfahren desselben Expired - Fee Related DE69415991T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/139,920 US5600484A (en) 1993-10-20 1993-10-20 Machining techniques for retroreflective cube corner article and method of manufacture
PCT/US1994/012016 WO1995011470A2 (en) 1993-10-20 1994-10-20 Novel machining techniques for retroreflective cube corner article and method of manufacture

Publications (2)

Publication Number Publication Date
DE69415991D1 DE69415991D1 (de) 1999-02-25
DE69415991T2 true DE69415991T2 (de) 1999-05-27

Family

ID=22488898

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69415991T Expired - Fee Related DE69415991T2 (de) 1993-10-20 1994-10-20 Neue bearbeitungstechnik für retroreflektiven würfeleckigen körper und herstellungsverfahren desselben

Country Status (7)

Country Link
US (3) US5600484A (de)
EP (1) EP0724736B1 (de)
JP (1) JP3590064B2 (de)
CN (1) CN1040695C (de)
CA (1) CA2173229A1 (de)
DE (1) DE69415991T2 (de)
WO (1) WO1995011470A2 (de)

Families Citing this family (44)

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US5600484A (en) 1993-10-20 1997-02-04 Minnesota Mining And Manufacturing Company Machining techniques for retroreflective cube corner article and method of manufacture
DE69429924T2 (de) * 1993-10-20 2002-08-22 Minnesota Mining & Mfg Direktmechanisch hergestellter stufenstrukturierter retroreflektiver würfelecken-körper und herstellungsverfahren
DE69428450T2 (de) * 1993-10-20 2002-05-16 Minnesota Mining & Mfg Vielfach strukturierter würfelecken-körper
US5450235A (en) 1993-10-20 1995-09-12 Minnesota Mining And Manufacturing Company Flexible cube-corner retroreflective sheeting
US6015214A (en) * 1996-05-30 2000-01-18 Stimsonite Corporation Retroreflective articles having microcubes, and tools and methods for forming microcubes
US6304364B1 (en) * 1997-06-11 2001-10-16 President & Fellows Of Harvard College Elastomeric light valves
US6461003B1 (en) 1997-06-12 2002-10-08 Purdue Research Foundation Corner cube arrays and manufacture thereof
US6253442B1 (en) * 1997-07-02 2001-07-03 3M Innovative Properties Company Retroreflective cube corner sheeting mold and method for making the same
US5898523A (en) * 1997-07-02 1999-04-27 Minnesota Mining & Manufacturing Company Tiled retroreflective sheeting composed of highly canted cube corner elements
CN1105637C (zh) 1997-07-02 2003-04-16 美国3M公司 立方角片模具及其制备方法
US5981032A (en) * 1997-07-02 1999-11-09 3M Innovative Properties Company Retroreflective cube corner sheeting mold and sheeting formed therefrom
KR100574610B1 (ko) 1997-07-02 2006-04-28 미네소타 마이닝 앤드 매뉴팩춰링 캄파니 큐브 코너형 재귀 반사 시트, 그것을 성형하기 위한 몰드 및 그 몰드의 제조 방법
KR20010024273A (ko) * 1997-09-25 2001-03-26 스프레이그 로버트 월터 2중 용도의 반사성 물품
JP2001517808A (ja) * 1997-09-25 2001-10-09 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 高い非直交性を有する反射表面を組み込んだ反射性物品
JP3580999B2 (ja) 1997-11-17 2004-10-27 日本カーバイド工業株式会社 三角錐型キューブコーナー再帰反射シート
JP3975001B2 (ja) 1998-04-22 2007-09-12 日本カーバイド工業株式会社 三角錐型キユーブコーナー再帰反射シート
US6050691A (en) * 1998-10-19 2000-04-18 3M Innovative Properties Company Method of making randomly oriented cube-corner articles
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
EP2796906B1 (de) 1999-04-07 2017-08-23 3M Innovative Properties Company Artikel mit strukturierter Oberfläche mit geometrischen Strukturen mit zusammengesetzten Flächen und Verfahren zu deren Herstellung
JP3975039B2 (ja) 1999-12-13 2007-09-12 日本カーバイド工業株式会社 三角錐型キューブコーナー再帰反射素子
EP1271189A4 (de) 2000-01-31 2010-02-24 Nippon Carbide Kogyo Kk Dreieck-pyramiden-würfelecken-retroreflexions-element
US8728610B2 (en) * 2000-02-25 2014-05-20 3M Innovative Properties Company Compound mold and structured surface articles containing geometric structures with compound faces and method of making same
JP3468418B2 (ja) 2000-03-15 2003-11-17 日本カーバイド工業株式会社 三角錐型キユーブコーナー型再帰反射シート
JP4028155B2 (ja) 2000-04-11 2007-12-26 日本カーバイド工業株式会社 蛍光性再帰反射シート
US6626544B2 (en) * 2001-03-28 2003-09-30 Reflexite Corporation Prismatic retroreflector having a multi-plane facet
CA2456611C (en) * 2001-08-09 2010-09-21 Nippon Carbide Kogyo Kabushiki Kaisha Retroreflective device
JP4308135B2 (ja) * 2002-06-11 2009-08-05 スリーエム イノベイティブ プロパティズ カンパニー マスターおよびそのレプリカの製造方法
US6935756B2 (en) * 2002-06-11 2005-08-30 3M Innovative Properties Company Retroreflective articles having moire-like pattern
US6843571B2 (en) 2002-06-11 2005-01-18 3M Innovative Properties Company Methods of making a master and replicas thereof
US20040086198A1 (en) * 2002-11-05 2004-05-06 Gerald Brown System and method for bump height measurement
US7142767B2 (en) * 2003-12-31 2006-11-28 3M Innovative Properties Company Scratch-resistant light directing films
EP1811321B1 (de) * 2004-11-02 2013-02-27 Nippon Carbide Kogyo Kabushiki Kaisha Würfelecken-retroreflexionsblatt des zusammengesetzten dreieckspyramidentyps und retroreflexionsobjekt
KR20130008643A (ko) * 2004-12-28 2013-01-22 쓰리엠 이노베이티브 프로퍼티즈 컴파니 불소- 또는 규소-함유 프리즘을 갖는 프리즘 역반사 물품
US7195360B2 (en) * 2004-12-28 2007-03-27 3M Innovative Properties Company Prismatic retroreflective article and method
US7547105B2 (en) * 2007-07-16 2009-06-16 3M Innovative Properties Company Prismatic retroreflective article with cross-linked image layer and method of making same
US7922344B2 (en) 2008-09-02 2011-04-12 Avery Dennison Corporation Metallized retroreflective sheeting with increased daytime brightness
CN103189763B (zh) * 2010-10-29 2015-05-13 日本电石工业株式会社 立方角型回射薄片
US9366790B2 (en) 2011-05-31 2016-06-14 3M Innovative Properties Company Retroreflective articles having composite cube-corners and methods of making
EP2714358B1 (de) 2011-05-31 2020-02-19 3M Innovative Properties Company Verfahren zur herstellung von unterschiedlich gemusterten gehärteten mikrostrukturierten artikeln
US9415539B2 (en) 2011-05-31 2016-08-16 3M Innovative Properties Company Method for making microstructured tools having discontinuous topographies, and articles produced therefrom
KR102133964B1 (ko) * 2012-12-28 2020-07-15 미래나노텍(주) 변형된 구조의 큐브 코너를 이용하는 재귀반사 시트
CN104133260B (zh) * 2014-08-08 2016-09-14 浙江道明光电科技有限公司 一种新型的微棱镜型反光材料模具的制作方法
CN106990460B (zh) * 2017-04-20 2023-09-26 苏州苏大维格科技集团股份有限公司 微棱镜型反光膜及其制造方法
CN114047568A (zh) * 2021-11-03 2022-02-15 江西盛汇光学科技协同创新有限公司 全反光微棱镜立体结构阵列及反光膜及制备方法

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US1591572A (en) * 1925-02-05 1926-07-06 Jonathan C Stimson Process and apparatus for making central triple reflectors
US2027441A (en) * 1932-11-23 1936-01-14 Landis Aaron Ornamentation for bags
GB423464A (en) * 1932-12-31 1935-02-01 Gustave Leray Improvements in light reflectors
GB441319A (en) * 1933-12-21 1936-01-16 Gustave Leray Improvements in or relating to light reflectors
US2407680A (en) * 1945-03-02 1946-09-17 Minnesota Mining & Mfg Reflex light reflector
US3190178A (en) * 1961-06-29 1965-06-22 Minnesota Mining & Mfg Reflex-reflecting sheeting
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US4208090A (en) * 1967-03-24 1980-06-17 Amerace Corporation Reflector structure
US3922065A (en) * 1968-05-31 1975-11-25 Minnesota Mining & Mfg Cube-corner retro-reflective article
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US3811983A (en) * 1972-06-23 1974-05-21 Rowland Dev Corp Method for producing retroreflective sheeting
US3873184A (en) * 1973-02-16 1975-03-25 Amerace Esna Corp Reflector with interspersed angled reflex elements
US3926402A (en) * 1973-04-24 1975-12-16 Amerace Corp Pin having nonaligned cube axis and pin axis and bundle of such pins
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AU4673679A (en) * 1979-05-07 1980-11-13 Ferro Corporation Retroreflective marking tape
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US4801193A (en) * 1988-03-04 1989-01-31 Reflexite Corporation Retroreflective sheet material and method of making same
US4952023A (en) * 1988-03-18 1990-08-28 Minnesota Mining And Manufacturing Company Internally illuminated retroreflective sign
US4895428A (en) * 1988-07-26 1990-01-23 Minnesota Mining And Manufacturing Company High efficiency retroreflective material
US5122902A (en) * 1989-03-31 1992-06-16 Minnesota Mining And Manufacturing Company Retroreflective articles having light-transmissive surfaces
US5171624A (en) * 1990-06-01 1992-12-15 Reflexite Corporation Retroreflective microprismatic material and method of making same
US5138488A (en) * 1990-09-10 1992-08-11 Minnesota Mining And Manufacturing Company Retroreflective material with improved angularity
US5237449A (en) * 1991-01-29 1993-08-17 Nelson Optics Company, Inc. Biased lenticular sign system
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US5272562A (en) * 1993-02-05 1993-12-21 Minnesota Mining And Manufacturing Company Cube-corner retroreflective articles
EP0724738B1 (de) * 1993-10-20 2000-05-10 Minnesota Mining And Manufacturing Company Asymmetrischer würfeleckiger gegenstand und herstellungsverfahren
US5600484A (en) 1993-10-20 1997-02-04 Minnesota Mining And Manufacturing Company Machining techniques for retroreflective cube corner article and method of manufacture
US5450235A (en) * 1993-10-20 1995-09-12 Minnesota Mining And Manufacturing Company Flexible cube-corner retroreflective sheeting
DE69428450T2 (de) * 1993-10-20 2002-05-16 Minnesota Mining & Mfg Vielfach strukturierter würfelecken-körper
US5565151A (en) 1994-09-28 1996-10-15 Reflexite Corporation Retroreflective prism structure with windows formed thereon

Also Published As

Publication number Publication date
CA2173229A1 (en) 1995-04-27
JP3590064B2 (ja) 2004-11-17
JPH09504384A (ja) 1997-04-28
CN1133637A (zh) 1996-10-16
US6080340A (en) 2000-06-27
US6168275B1 (en) 2001-01-02
DE69415991D1 (de) 1999-02-25
EP0724736A1 (de) 1996-08-07
EP0724736B1 (de) 1999-01-13
US5600484A (en) 1997-02-04
CN1040695C (zh) 1998-11-11
WO1995011470A2 (en) 1995-04-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee