DE69424436D1 - Asymmetrischer würfeleckiger gegenstand und herstellungsverfahren - Google Patents

Asymmetrischer würfeleckiger gegenstand und herstellungsverfahren

Info

Publication number
DE69424436D1
DE69424436D1 DE69424436T DE69424436T DE69424436D1 DE 69424436 D1 DE69424436 D1 DE 69424436D1 DE 69424436 T DE69424436 T DE 69424436T DE 69424436 T DE69424436 T DE 69424436T DE 69424436 D1 DE69424436 D1 DE 69424436D1
Authority
DE
Germany
Prior art keywords
manufacturing
asymmetric cube
cube
asymmetric
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
DE69424436T
Other languages
English (en)
Other versions
DE69424436T2 (de
Inventor
M Benson
L 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 DE69424436D1 publication Critical patent/DE69424436D1/de
Application granted granted Critical
Publication of DE69424436T2 publication Critical patent/DE69424436T2/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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49995—Shaping one-piece blank by removing material
    • Y10T29/49996—Successive distinct removal operations
    • 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
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/30—Milling
    • Y10T409/303752—Process
DE69424436T 1993-10-20 1994-10-20 Asymmetrischer würfeleckiger gegenstand und herstellungsverfahren Expired - Fee Related DE69424436T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13946293A 1993-10-20 1993-10-20
PCT/US1994/011942 WO1995011465A2 (en) 1993-10-20 1994-10-20 Asymetric cube corner article and method of manufacture

Publications (2)

Publication Number Publication Date
DE69424436D1 true DE69424436D1 (de) 2000-06-15
DE69424436T2 DE69424436T2 (de) 2001-01-04

Family

ID=22486781

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69424436T Expired - Fee Related DE69424436T2 (de) 1993-10-20 1994-10-20 Asymmetrischer würfeleckiger gegenstand und herstellungsverfahren

Country Status (7)

Country Link
US (2) US5564870A (de)
EP (1) EP0724738B1 (de)
JP (1) JP3834596B2 (de)
CN (1) CN1054918C (de)
CA (1) CA2173231A1 (de)
DE (1) DE69424436T2 (de)
WO (1) WO1995011465A2 (de)

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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
US5600484A (en) * 1993-10-20 1997-02-04 Minnesota Mining And Manufacturing Company Machining techniques for retroreflective cube corner article and method of manufacture
WO1996027757A1 (en) * 1995-03-03 1996-09-12 Minnesota Mining And Manufacturing Company Light directing film having variable height structured surface and light directing article constructed therefrom
US5706132A (en) * 1996-01-19 1998-01-06 Minnesota Mining And Manufacturing Company Dual orientation retroreflective sheeting
US6015214A (en) * 1996-05-30 2000-01-18 Stimsonite Corporation Retroreflective articles having microcubes, and tools and methods for forming microcubes
CN1125994C (zh) * 1996-10-18 2003-10-29 日本电石工业株式会社 三角锥型立体角型循环反射板
US6021559A (en) * 1996-11-01 2000-02-08 3M Innovative Properties Company Methods of making a cube corner article master mold
DE29707066U1 (de) * 1997-04-21 1997-08-14 Imos Gubela Gmbh Mikroretroflektor
US5889615A (en) * 1997-06-27 1999-03-30 Minnesota Mining And Manufacturing Company Dual axis retroreflective articles
US5898523A (en) * 1997-07-02 1999-04-27 Minnesota Mining & Manufacturing Company Tiled retroreflective sheeting composed of highly canted cube corner elements
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
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
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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
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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
US6287670B1 (en) 1999-01-11 2001-09-11 3M Innovative Properties Company Cube corner cavity based retroreflectors and methods for making same
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
JP2001133614A (ja) * 1999-10-29 2001-05-18 Hitachi Chem Co Ltd 拡散反射板及びその転写原型、その製造方法及びそれを用いたベースフィルム、転写フィルム、並びにこれらを用いた拡散反射板の製造方法
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
ATE473491T1 (de) * 2001-06-19 2010-07-15 Nippon Carbide Kogyo Kk Rückreflektierendes produkt, in dem eine integrierte schaltung enthalten ist
CA2456611C (en) 2001-08-09 2010-09-21 Nippon Carbide Kogyo Kabushiki Kaisha Retroreflective device
US7859759B2 (en) * 2002-05-20 2010-12-28 Sabic Innovative Plastics Ip B.V. Film, backlight displays, and methods for making the same
US7180672B2 (en) * 2002-05-20 2007-02-20 General Electric Company Optical substrate and method of making
US6862141B2 (en) * 2002-05-20 2005-03-01 General Electric Company Optical substrate and method of making
US6952627B2 (en) * 2002-12-18 2005-10-04 General Electric Company Method and apparatus for fabricating light management substrates
EP1698915B1 (de) * 2003-12-02 2014-11-12 Nippon Carbide Kogyo Kabushiki Kaisha Würfelecken-retroreflexionsartikel des dreieck-pyramidentyps mit gekrümmter reflexionsseitenoberfläche
US7072092B2 (en) * 2003-12-31 2006-07-04 General Electric Company Optical substrate with modulated structure
US7195360B2 (en) * 2004-12-28 2007-03-27 3M Innovative Properties Company Prismatic retroreflective article and method
KR20130008643A (ko) * 2004-12-28 2013-01-22 쓰리엠 이노베이티브 프로퍼티즈 컴파니 불소- 또는 규소-함유 프리즘을 갖는 프리즘 역반사 물품
US7866871B2 (en) * 2006-01-13 2011-01-11 Avery Dennison Corporation Light enhancing structures with a plurality of arrays of elongate features
US7674028B2 (en) 2006-01-13 2010-03-09 Avery Dennison Corporation Light enhancing structures with multiple arrays of elongate features of varying characteristics
US7366393B2 (en) * 2006-01-13 2008-04-29 Optical Research Associates Light enhancing structures with three or more arrays of elongate features
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
US20090214828A1 (en) * 2008-02-26 2009-08-27 Vicki Herzl Watkins Blunt tip prism film and methods for making the same
US8393229B2 (en) * 2010-02-24 2013-03-12 The Hong Kong Research Institute Of Textiles And Apparel Limited Soft pressure sensing device
US20110216412A1 (en) * 2010-03-05 2011-09-08 David Reed Master tools with selectively orientable regions for manufacture of patterned sheeting
USD665584S1 (en) 2010-03-05 2012-08-21 Orafol Europe Gmbh Retro-reflective sheeting with a corner cube surface pattern having angular corner cube circular regions
US9651721B2 (en) * 2012-08-27 2017-05-16 Avery Dennison Corporation Retroreflector with low refractive index backing
US20160011346A1 (en) 2014-07-14 2016-01-14 Sergiy Vasylyev High incidence angle retroreflective sheeting
KR102239965B1 (ko) * 2014-08-01 2021-04-15 미래나노텍(주) 비대칭 피라미드 패턴을 포함하는 고휘도 광학시트 및 그 제조방법
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
US10925268B1 (en) * 2015-03-13 2021-02-23 Ray D. Flasco Inside corner cubic surface reflector fishing lure
JP2017116779A (ja) * 2015-12-25 2017-06-29 スリーエム イノベイティブ プロパティズ カンパニー 再帰性反射ライセンスプレート、及び再帰性反射シート
JP6730871B2 (ja) * 2016-04-07 2020-07-29 デクセリアルズ株式会社 光学体、窓材及びロールカーテン
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
US11001979B2 (en) 2018-08-13 2021-05-11 Vergence Automation, Inc. Methods and apparatus for ultrawide entrance angle reflective articles for use with autonomous vehicle machine vision systems
US11762133B1 (en) 2018-09-13 2023-09-19 Vergence Automation, Inc. Retroreflective materials and articles incorporating near-ideal total internal retroreflective elements
FR3112399B1 (fr) * 2020-07-08 2022-06-24 Commissariat Energie Atomique Cible ultrasonique pour le contrôle non destructif

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Also Published As

Publication number Publication date
JPH09504621A (ja) 1997-05-06
US5831767A (en) 1998-11-03
DE69424436T2 (de) 2001-01-04
CN1054918C (zh) 2000-07-26
US5564870A (en) 1996-10-15
WO1995011465A3 (en) 1995-05-11
EP0724738B1 (de) 2000-05-10
CN1133091A (zh) 1996-10-09
CA2173231A1 (en) 1995-04-27
JP3834596B2 (ja) 2006-10-18
EP0724738A1 (de) 1996-08-07
WO1995011465A2 (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