DE69720543D1 - Verfahren zum herstellen mehrerer plättchen zur verwendung in einem formwerkzeug für retroreflektive würfeleckengegenstände, formwerkzeug und erzeugte gegenstände - Google Patents

Verfahren zum herstellen mehrerer plättchen zur verwendung in einem formwerkzeug für retroreflektive würfeleckengegenstände, formwerkzeug und erzeugte gegenstände

Info

Publication number
DE69720543D1
DE69720543D1 DE69720543T DE69720543T DE69720543D1 DE 69720543 D1 DE69720543 D1 DE 69720543D1 DE 69720543 T DE69720543 T DE 69720543T DE 69720543 T DE69720543 T DE 69720543T DE 69720543 D1 DE69720543 D1 DE 69720543D1
Authority
DE
Germany
Prior art keywords
reference plane
working surface
molding tool
laminae
lamina
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
DE69720543T
Other languages
English (en)
Other versions
DE69720543T2 (de
Inventor
M Benson
C Kelliher
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 DE69720543D1 publication Critical patent/DE69720543D1/de
Application granted granted Critical
Publication of DE69720543T2 publication Critical patent/DE69720543T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00605—Production of reflex reflectors
    • B29D11/00625—Moulds for reflex reflectors
    • 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
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49982—Coating
    • Y10T29/49984—Coating and casting
    • 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
    • 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
DE69720543T 1997-07-02 1997-12-09 Verfahren zum herstellen mehrerer plättchen zur verwendung in einem formwerkzeug für retroreflektive würfeleckengegenstände, formwerkzeug und erzeugte gegenstände Expired - Fee Related DE69720543T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/887,074 US6253442B1 (en) 1997-07-02 1997-07-02 Retroreflective cube corner sheeting mold and method for making the same
US887074 1997-07-02
PCT/US1997/022492 WO1999001269A1 (en) 1997-07-02 1997-12-09 Method of manufacturing a plurality of laminae for use in a mold for forming retroreflective cube corner articles, mold and articles formed therewith

Publications (2)

Publication Number Publication Date
DE69720543D1 true DE69720543D1 (de) 2003-05-08
DE69720543T2 DE69720543T2 (de) 2004-02-19

Family

ID=25390408

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69720543T Expired - Fee Related DE69720543T2 (de) 1997-07-02 1997-12-09 Verfahren zum herstellen mehrerer plättchen zur verwendung in einem formwerkzeug für retroreflektive würfeleckengegenstände, formwerkzeug und erzeugte gegenstände

Country Status (13)

Country Link
US (3) US6253442B1 (de)
EP (1) EP0993357B1 (de)
JP (1) JP4054895B2 (de)
KR (1) KR100501050B1 (de)
CN (1) CN1153661C (de)
AT (1) ATE236001T1 (de)
AU (1) AU724030B2 (de)
BR (1) BR9714751A (de)
CA (1) CA2295104A1 (de)
DE (1) DE69720543T2 (de)
NO (1) NO996561L (de)
TR (1) TR199903341T2 (de)
WO (1) WO1999001269A1 (de)

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JP3445587B2 (ja) * 2001-09-13 2003-09-08 コナミ株式会社 対戦型ラリーゲームプログラム
US6700712B2 (en) 2001-11-13 2004-03-02 3M Innovative Properties Company Multidirectional single surface optically shaped film
US7140812B2 (en) * 2002-05-29 2006-11-28 3M Innovative Properties Company Diamond tool with a multi-tipped diamond
US20040045419A1 (en) * 2002-09-10 2004-03-11 Bryan William J. Multi-diamond cutting tool assembly for creating microreplication tools
US7152983B2 (en) 2003-03-06 2006-12-26 3M Innovative Properties Company Lamina comprising cube corner elements and retroreflective sheeting
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US7174619B2 (en) * 2003-03-06 2007-02-13 3M Innovative Properties Company Methods of making microstructured lamina and apparatus
JP4333236B2 (ja) * 2003-07-03 2009-09-16 セイコーエプソン株式会社 液体噴射ヘッドの製造用金型の製造方法およびその素材ブロック
US7677146B2 (en) * 2006-05-10 2010-03-16 3M Innovative Properties Company Cutting tool using one or more machined tool tips in a continuous or interrupted cut fast tool servo
JP5091864B2 (ja) 2006-08-22 2012-12-05 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物品及びその製造方法
US7628100B2 (en) * 2007-01-05 2009-12-08 3M Innovative Properties Company Cutting tool using one or more machined tool tips with diffractive features in a continuous or interrupted cut fast tool servo
US20080264553A1 (en) * 2007-04-27 2008-10-30 Hewlett-Packard Development Company Lp Embossing
CN101868741B (zh) * 2007-08-24 2012-08-22 日本电石工业株式会社 角隅型回归反射物品
CN101420829B (zh) * 2007-10-25 2011-09-21 深圳富泰宏精密工业有限公司 金属外壳及其制作方法
CN102016656A (zh) * 2008-04-02 2011-04-13 3M创新有限公司 用于制备具有叠加特征的光学膜的方法和系统
US9810817B2 (en) 2008-04-02 2017-11-07 3M Innovative Properties Company Light directing film and method for making the same
CN102441774B (zh) * 2010-10-08 2015-11-25 福建省晋江市夜光达反光材料有限公司 一种微棱镜阴阳条纹反光模具的制作方法
CN102967892B (zh) * 2011-08-30 2015-12-02 原相科技股份有限公司 用于光学式触控装置的反光镜及使用该反光镜的光学式触控装置
US9050762B2 (en) 2012-03-23 2015-06-09 Orafol Americas Inc. Methods for fabricating retroreflector tooling and retroreflective microstructures and devices thereof
JP6445520B2 (ja) 2013-03-15 2018-12-26 スリーエム イノベイティブ プロパティズ カンパニー 微小タイル型プリズム状キューブコーナー物品
JP6246704B2 (ja) * 2014-12-15 2017-12-13 株式会社アスカネット 再帰性反射体の製造型の製造方法
US11806795B2 (en) 2017-02-14 2023-11-07 3M Innovative Properties Company Security articles comprising groups of microstructures made by end milling
US11073641B2 (en) 2017-09-11 2021-07-27 Orafol Americas Inc. Methods of fabricating retroreflector prisms with polygonal apertures and devices thereof
US11351745B2 (en) 2020-08-27 2022-06-07 Aura Optical Systems, Lp Microprismatic retroreflective mold, sheet, and article and methods of manufacture thereof

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Also Published As

Publication number Publication date
JP4054895B2 (ja) 2008-03-05
US20040212887A1 (en) 2004-10-28
EP0993357B1 (de) 2003-04-02
CA2295104A1 (en) 1999-01-14
CN1275943A (zh) 2000-12-06
WO1999001269A1 (en) 1999-01-14
AU5692098A (en) 1999-01-25
CN1153661C (zh) 2004-06-16
NO996561D0 (no) 1999-12-29
TR199903341T2 (xx) 2000-07-21
NO996561L (no) 2000-03-02
EP0993357A1 (de) 2000-04-19
BR9714751A (pt) 2000-08-08
KR100501050B1 (ko) 2005-07-18
AU724030B2 (en) 2000-09-07
US20010009475A1 (en) 2001-07-26
DE69720543T2 (de) 2004-02-19
KR20010014417A (ko) 2001-02-26
US6253442B1 (en) 2001-07-03
ATE236001T1 (de) 2003-04-15
JP2002507944A (ja) 2002-03-12

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