DE69312065D1 - Optimierter aufbau retroreflektierender koerper fuer gekruemmte anwendungen - Google Patents

Optimierter aufbau retroreflektierender koerper fuer gekruemmte anwendungen

Info

Publication number
DE69312065D1
DE69312065D1 DE69312065T DE69312065T DE69312065D1 DE 69312065 D1 DE69312065 D1 DE 69312065D1 DE 69312065 T DE69312065 T DE 69312065T DE 69312065 T DE69312065 T DE 69312065T DE 69312065 D1 DE69312065 D1 DE 69312065D1
Authority
DE
Germany
Prior art keywords
retrore
optimized structure
reflective body
curved applications
curved
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
DE69312065T
Other languages
English (en)
Other versions
DE69312065T2 (de
Inventor
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
Application granted granted Critical
Publication of DE69312065D1 publication Critical patent/DE69312065D1/de
Publication of DE69312065T2 publication Critical patent/DE69312065T2/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
    • 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
DE69312065T 1992-06-08 1993-04-23 Optimierter aufbau retroreflektierender koerper fuer gekruemmte anwendungen Expired - Fee Related DE69312065T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/895,275 US5189553A (en) 1992-06-08 1992-06-08 Optimized construction of retroreflective articles for curved applications
PCT/US1993/003826 WO1993025921A1 (en) 1992-06-08 1993-04-23 Optimized construction of retroreflective articles for curved applications

Publications (2)

Publication Number Publication Date
DE69312065D1 true DE69312065D1 (de) 1997-08-14
DE69312065T2 DE69312065T2 (de) 1998-03-19

Family

ID=25404255

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69312065T Expired - Fee Related DE69312065T2 (de) 1992-06-08 1993-04-23 Optimierter aufbau retroreflektierender koerper fuer gekruemmte anwendungen

Country Status (10)

Country Link
US (1) US5189553A (de)
EP (1) EP0645019B1 (de)
JP (1) JPH07507642A (de)
KR (1) KR950702036A (de)
AT (1) ATE155250T1 (de)
AU (1) AU671636B2 (de)
CA (1) CA2135387A1 (de)
DE (1) DE69312065T2 (de)
ES (1) ES2106340T3 (de)
WO (1) WO1993025921A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5189553A (en) * 1992-06-08 1993-02-23 Minnesota Mining And Manufacturing Company Optimized construction of retroreflective articles for curved applications
US5450235A (en) * 1993-10-20 1995-09-12 Minnesota Mining And Manufacturing Company Flexible cube-corner retroreflective sheeting
US5691846A (en) * 1993-10-20 1997-11-25 Minnesota Mining And Manufacturing Company Ultra-flexible retroreflective cube corner composite sheetings and methods of manufacture
US6318867B1 (en) 1993-10-20 2001-11-20 3M Innovative Properties Company Conformable cube corner retroreflective sheeting
US5614286A (en) * 1993-10-20 1997-03-25 Minnesota Mining And Manufacturing Company Conformable cube corner retroreflective sheeting
USD383312S (en) * 1996-01-19 1997-09-09 Minnesota Mining And Manufacturing Company Seal pattern on retroreflective sheeting
US5706132A (en) * 1996-01-19 1998-01-06 Minnesota Mining And Manufacturing Company Dual orientation retroreflective sheeting
US5805338A (en) * 1996-04-10 1998-09-08 Minnesota Minning And Manufacturing Company Pillowed flexible cube-corner sheeting and methods of manufacture
US5919551A (en) * 1996-04-12 1999-07-06 3M Innovative Properties Company Variable pitch structured optical film
US6036322A (en) * 1997-12-01 2000-03-14 Reflexite Corporation Multi-orientation retroreflective structure
US6280822B1 (en) * 1999-01-11 2001-08-28 3M Innovative Properties Company Cube corner cavity based retroeflectors with transparent fill material
US6287670B1 (en) 1999-01-11 2001-09-11 3M Innovative Properties Company Cube corner cavity based retroreflectors and methods for making same
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
DE102009058244A1 (de) * 2009-12-14 2011-06-16 Giesecke & Devrient Gmbh Vorrichtung für die Untersuchung eines Gegenstands, vorzugsweise eines Wertdokuments, unter Verwendung optischer Strahlung
US20160370514A1 (en) * 2013-07-01 2016-12-22 3M Innovative Properties Company Retroreflective sheeting including a solvent-based topcoat
DE102018101291B4 (de) 2018-01-22 2020-10-29 Hans-Erich Gubela Verwendung und Verfahren zur Herstellung eines elastischen Retroreflektors
DE102018101292B4 (de) 2018-01-22 2020-10-29 Hans-Erich Gubela Retroreflektorelement zur Verwendung im Straßenverkehr und Spritzgussform
DE102018101289B4 (de) * 2018-01-22 2019-10-17 Imos Gubela Gmbh Retroreflektor mit einer gekrümmten Oberfläche, Abformwerkzeug zur Herstellung des Retroreflektors und Verfahren zur Herstellung des Abformwerkzeugs

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2380447A (en) * 1945-07-31 Optical reflecting material
US2310790A (en) * 1943-02-09 Optical reflecting material
US2481757A (en) * 1945-05-23 1949-09-13 Thoger G Jungersen Optical reflecting material
US3332327A (en) * 1964-10-23 1967-07-25 Elastic Stop Nut Corp Pavement marker
US3924929A (en) * 1966-11-14 1975-12-09 Minnesota Mining & Mfg Retro-reflective sheet material
US3469898A (en) * 1967-11-20 1969-09-30 Gerald Altman Reflex reflective products and processes for their manufacture
US3922065A (en) * 1968-05-31 1975-11-25 Minnesota Mining & Mfg Cube-corner retro-reflective article
US3810804A (en) * 1970-09-29 1974-05-14 Rowland Dev Corp Method of making retroreflective material
US3684348A (en) * 1970-09-29 1972-08-15 Rowland Dev Corp Retroreflective material
US3712706A (en) * 1971-01-04 1973-01-23 American Cyanamid Co Retroreflective surface
US3744117A (en) * 1971-09-30 1973-07-10 Amerace Esna Corp Method for making a curved cube-corner reflector
US3935359A (en) * 1972-06-23 1976-01-27 Rowland Development Corporation Retroreflective sheeting and method and apparatus for producing same
US3830682A (en) * 1972-11-06 1974-08-20 Rowland Dev Corp Retroreflecting signs and the like with novel day-night coloration
US4127693A (en) * 1975-02-10 1978-11-28 Lemelson Jerome H Reflex reflectors with pyramid-shaped indentations
US3984175A (en) * 1975-03-13 1976-10-05 International Tools (1973) Ltd. Pavement marker
US3992080A (en) * 1975-06-13 1976-11-16 Reflexite Corporation Retroreflective sheet material with controlled stretch and method of making same
US4025159A (en) * 1976-02-17 1977-05-24 Minnesota Mining And Manufacturing Company Cellular retroreflective sheeting
US4182548A (en) * 1977-07-05 1980-01-08 Ferro Corporation Retroreflective marking tape
US4279471A (en) * 1979-12-31 1981-07-21 Reflexite Corporation Retroreflector for road surfaces
US4601861A (en) * 1982-09-30 1986-07-22 Amerace Corporation Methods and apparatus for embossing a precision optical pattern in a resinous sheet or laminate
US4486363A (en) * 1982-09-30 1984-12-04 Amerace Corporation Method and apparatus for embossing a precision optical pattern in a resinous sheet
US4648689A (en) * 1983-04-11 1987-03-10 Minnesota Mining And Manufacturing Company Pavement marking tape
US4588258A (en) * 1983-09-12 1986-05-13 Minnesota Mining And Manufacturing Company Cube-corner retroreflective articles having wide angularity in multiple viewing planes
US4555161A (en) * 1984-02-16 1985-11-26 Reflexite Corporation Encapsulated retroreflective material and method of making same
US4612473A (en) * 1984-07-18 1986-09-16 Nilssen Ole K Incandescent lamp with dichroic trihedral corner reflectors
US4672089A (en) * 1984-08-10 1987-06-09 Amerace Corporation Retroreflective sheeting
MX169129B (es) * 1984-08-10 1993-06-22 Amerace Corp Metodo para producir construcciones de lamina de estructura laminada retrorreflejante del tipo de esquinas de cubo y el producto obtenido con el mismo.
US4618518A (en) * 1984-08-10 1986-10-21 Amerace Corporation Retroreflective sheeting and methods for making same
US4938563A (en) * 1986-11-21 1990-07-03 Minnesota Mining And Manufacturing Company High efficiency cube corner retroflective material
US4801193A (en) * 1988-03-04 1989-01-31 Reflexite Corporation Retroreflective sheet material and method of making same
US5117304A (en) * 1990-09-21 1992-05-26 Minnesota Mining And Manufacturing Company Retroreflective article
IL104366A0 (en) * 1992-01-16 1993-05-13 Stimsonite Corp Photoluminescent retroreflective sheeting
US5189553A (en) * 1992-06-08 1993-02-23 Minnesota Mining And Manufacturing Company Optimized construction of retroreflective articles for curved applications

Also Published As

Publication number Publication date
CA2135387A1 (en) 1993-12-23
ATE155250T1 (de) 1997-07-15
US5189553A (en) 1993-02-23
KR950702036A (ko) 1995-05-17
DE69312065T2 (de) 1998-03-19
JPH07507642A (ja) 1995-08-24
AU671636B2 (en) 1996-09-05
ES2106340T3 (es) 1997-11-01
EP0645019A1 (de) 1995-03-29
WO1993025921A1 (en) 1993-12-23
AU4113393A (en) 1994-01-04
EP0645019B1 (de) 1997-07-09

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication related to discontinuation of the patent is to be deleted
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee