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DE69415991D1 - Neue bearbeitungstechnik für retroreflektiven würfeleckigen körper und herstellungsverfahren desselben - Google Patents

Neue bearbeitungstechnik für retroreflektiven würfeleckigen körper und herstellungsverfahren desselben

Info

Publication number
DE69415991D1
DE69415991D1 DE69415991T DE69415991T DE69415991D1 DE 69415991 D1 DE69415991 D1 DE 69415991D1 DE 69415991 T DE69415991 T DE 69415991T DE 69415991 T DE69415991 T DE 69415991T DE 69415991 D1 DE69415991 D1 DE 69415991D1
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
DE69415991T2 (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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Milling, Broaching, Filing, Reaming, And Others (AREA)
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 true DE69415991D1 (de) 1999-02-25
DE69415991T2 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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US5450235A (en) * 1993-10-20 1995-09-12 Minnesota Mining And Manufacturing Company Flexible cube-corner retroreflective sheeting
EP0724735B1 (de) * 1993-10-20 2002-02-20 Minnesota Mining And Manufacturing Company Direktmechanisch hergestellter stufenstrukturierter retroreflektiver würfelecken-körper und herstellungsverfahren
US5557836A (en) * 1993-10-20 1996-09-24 Minnesota Mining And Manufacturing Company Method of manufacturing a cube corner article
US5600484A (en) 1993-10-20 1997-02-04 Minnesota Mining And Manufacturing Company Machining techniques for retroreflective cube corner article and method of manufacture
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
US5981032A (en) * 1997-07-02 1999-11-09 3M Innovative Properties Company Retroreflective cube corner sheeting mold and sheeting formed therefrom
US5898523A (en) * 1997-07-02 1999-04-27 Minnesota Mining & Manufacturing Company Tiled retroreflective sheeting composed of highly canted cube corner elements
US6253442B1 (en) * 1997-07-02 2001-07-03 3M Innovative Properties Company Retroreflective cube corner sheeting mold and method for making the same
AU5356898A (en) * 1997-07-02 1999-01-25 Minnesota Mining And Manufacturing Company Retroreflective cube corner sheeting, molds therefore, and methods of making thesame
AU728328B2 (en) 1997-07-02 2001-01-04 Minnesota Mining And Manufacturing Company Cube corner sheeting mold and method of making the same
CN1271421A (zh) * 1997-09-25 2000-10-25 美国3M公司 双用途反射体
AU6893798A (en) * 1997-09-25 1999-04-12 Minnesota Mining And Manufacturing Company Reflective article incorporating highly nonorthogonal reflecting surfaces
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
DE69942953D1 (de) 1999-04-07 2010-12-30 3M Innovative Properties Co Oberflächlich strukturierte artikel mit geometrischen strukturen, welche zusammengesetzte flächen enthalten und ihre herstellungsverfahren
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
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
CA2399370A1 (en) 2000-01-31 2001-08-09 Nippon Carbide Kogyo Kabushiki Kaisha Triangular pyramidal cube corner retroreflection 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
BR0211774A (pt) * 2001-08-09 2004-07-27 Nippon Carbide Kogyo Kk Dispositivo retrorreflexivo
CN1299131C (zh) * 2002-06-11 2007-02-07 3M创新有限公司 母板及其复制品制作法
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
CN100501460C (zh) * 2004-11-02 2009-06-17 日本电石工业株式会社 复合三角锥型立方隅角回射片及回射物
EP1831735A1 (de) * 2004-12-28 2007-09-12 3M Innovative Properties Company Prismatischer rückreflektierender artikel mit fluor- oder siliciumhaltigen prismen
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
JP5932659B2 (ja) * 2010-10-29 2016-06-08 日本カーバイド工業株式会社 キューブコーナー型再帰反射シート
SG195166A1 (en) 2011-05-31 2013-12-30 3M Innovative Properties Co Method for making microstructured tools having discontinuous topographies, articles produced therefrom
KR20140033173A (ko) 2011-05-31 2014-03-17 쓰리엠 이노베이티브 프로퍼티즈 캄파니 상이하게 패턴 경화된 미세구조화 용품을 제조하는 방법
US9366790B2 (en) 2011-05-31 2016-06-14 3M Innovative Properties Company Retroreflective articles having composite cube-corners and methods of making
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
CN114047568B (zh) * 2021-11-03 2024-05-14 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

Family Cites Families (47)

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US2310790A (en) * 1943-02-09 Optical reflecting material
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
US3924929A (en) * 1966-11-14 1975-12-09 Minnesota Mining & Mfg Retro-reflective sheet material
US3417959A (en) * 1966-11-14 1968-12-24 Minnesota Mining & Mfg Die for forming retro-reflective article
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
US3689346A (en) * 1970-09-29 1972-09-05 Rowland Dev Corp Method for producing retroreflective material
US3684348A (en) * 1970-09-29 1972-08-15 Rowland Dev Corp Retroreflective material
US3810804A (en) * 1970-09-29 1974-05-14 Rowland Dev Corp Method of making retroreflective material
US3712706A (en) * 1971-01-04 1973-01-23 American Cyanamid Co Retroreflective surface
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
US4025159A (en) * 1976-02-17 1977-05-24 Minnesota Mining And Manufacturing Company Cellular retroreflective sheeting
US4349598A (en) * 1976-12-01 1982-09-14 Minnesota Mining And Manufacturing Company High incidence angle retroreflective material
AU4673679A (en) * 1979-05-07 1980-11-13 Ferro Corporation Retroreflective marking tape
US4202600A (en) * 1978-04-24 1980-05-13 Avery International Corporation Diced retroreflective sheeting
US4582885A (en) * 1978-07-20 1986-04-15 Minnesota Mining And Manufacturing Company Shaped plastic articles having replicated microstructure surfaces
US4668558A (en) * 1978-07-20 1987-05-26 Minnesota Mining And Manufacturing Company Shaped plastic articles having replicated microstructure surfaces
US4576850A (en) * 1978-07-20 1986-03-18 Minnesota Mining And Manufacturing Company Shaped plastic articles having replicated microstructure surfaces
US4243618A (en) * 1978-10-23 1981-01-06 Avery International Corporation Method for forming retroreflective sheeting
US4498733A (en) * 1982-07-02 1985-02-12 Amerace Corporation Reflector structure
US4588258A (en) * 1983-09-12 1986-05-13 Minnesota Mining And Manufacturing Company Cube-corner retroreflective articles having wide angularity in multiple viewing planes
US4618518A (en) * 1984-08-10 1986-10-21 Amerace Corporation Retroreflective sheeting and methods for making same
US4726706A (en) * 1986-06-02 1988-02-23 Attar Adil H Reflective pavement marker
US4703999A (en) * 1986-06-16 1987-11-03 Minnesota Mining And Manufacturing Company Wide-angle-reflective cube-corner retroreflective sheeting
US4938563A (en) * 1986-11-21 1990-07-03 Minnesota Mining And Manufacturing Company High efficiency cube corner retroflective material
US4775219A (en) * 1986-11-21 1988-10-04 Minnesota Mining & Manufacturing Company Cube-corner retroreflective articles having tailored divergence profiles
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
DE9217179U1 (de) * 1992-12-16 1993-04-22 Gubela Sen., Hans-Erich, 77871 Renchen Mikrodoppeltripel-Flächen
US5272562A (en) * 1993-02-05 1993-12-21 Minnesota Mining And Manufacturing Company Cube-corner retroreflective articles
JP3834596B2 (ja) * 1993-10-20 2006-10-18 スリーエム カンパニー 非対称性コーナキューブ物品と製作方法
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
US5557836A (en) * 1993-10-20 1996-09-24 Minnesota Mining And Manufacturing Company Method of manufacturing a cube corner article
US5565151A (en) 1994-09-28 1996-10-15 Reflexite Corporation Retroreflective prism structure with windows formed thereon

Also Published As

Publication number Publication date
JP3590064B2 (ja) 2004-11-17
JPH09504384A (ja) 1997-04-28
US6168275B1 (en) 2001-01-02
CA2173229A1 (en) 1995-04-27
US6080340A (en) 2000-06-27
EP0724736A1 (de) 1996-08-07
CN1040695C (zh) 1998-11-11
US5600484A (en) 1997-02-04
DE69415991T2 (de) 1999-05-27
WO1995011470A2 (en) 1995-04-27
CN1133637A (zh) 1996-10-16
EP0724736B1 (de) 1999-01-13

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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