GB1476447A - Reflector sturcture - Google Patents

Reflector sturcture

Info

Publication number
GB1476447A
GB1476447A GB4646074A GB4646074A GB1476447A GB 1476447 A GB1476447 A GB 1476447A GB 4646074 A GB4646074 A GB 4646074A GB 4646074 A GB4646074 A GB 4646074A GB 1476447 A GB1476447 A GB 1476447A
Authority
GB
United Kingdom
Prior art keywords
reflector
zones
islands
elements
backing
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
Application number
GB4646074A
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
Priority to GB4646074A priority Critical patent/GB1476447A/en
Publication of GB1476447A publication Critical patent/GB1476447A/en
Expired 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Laminated Bodies (AREA)
  • Optical Elements Other Than Lenses (AREA)

Abstract

1476447 Reflex reflectors MINNESOTA MINING & MFG CO 28 Oct 1974 46460/74 Addition to 1211027 Heading G2J The reflector, which is a modification of that of Specification 1211027, comprises a body 1 of transparent material e.g. a sheet of flexible plastics 0À25 mm thick having formed integrally on its rear surface a number of zones or islands 6 of cubecorner reflector elements 3. The zones 6 are separated by channels 5 into which is sealed a flexible backing 7, e.g. of thin-gauge polyester, which thereby forms inter-connecting walls which surround the zones or islands 6 to enclose and protect the elements 3. The backing 7 may be covered with a layer 9 of pressure-sensitive adhesive for mounting the reflector after removal of a protective sheet 10.
GB4646074A 1974-10-28 1974-10-28 Reflector sturcture Expired GB1476447A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4646074A GB1476447A (en) 1974-10-28 1974-10-28 Reflector sturcture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4646074A GB1476447A (en) 1974-10-28 1974-10-28 Reflector sturcture

Publications (1)

Publication Number Publication Date
GB1476447A true GB1476447A (en) 1977-06-16

Family

ID=10441364

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4646074A Expired GB1476447A (en) 1974-10-28 1974-10-28 Reflector sturcture

Country Status (1)

Country Link
GB (1) GB1476447A (en)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2455295A1 (en) * 1979-04-27 1980-11-21 Ferro Corp Surface reflective marking material strip - consists of sheet with refractive surface and three faceted reflecting units on opposite sides
US4555161A (en) * 1984-02-16 1985-11-26 Reflexite Corporation Encapsulated retroreflective material and method of making same
FR2628219A1 (en) * 1988-03-04 1989-09-08 Reflexite Corp RETROREFLECTIVE SHEET AND MANUFACTURING METHOD
EP0333502A2 (en) * 1988-03-18 1989-09-20 Minnesota Mining And Manufacturing Company Internally illuminated retroreflective sign
EP0399815A2 (en) * 1989-05-23 1990-11-28 Minnesota Mining And Manufacturing Company Flexible, substrate-insular retroreflective sheeting
US5069964A (en) * 1989-05-23 1991-12-03 Minnesota Mining And Manufacturing Company Flexible, substrate-insular retroreflective sheeting
US5565151A (en) * 1994-09-28 1996-10-15 Reflexite Corporation Retroreflective prism structure with windows formed thereon
US5930041A (en) * 1995-12-01 1999-07-27 Stimsonite Corporation Method of producing cellular retroreflective sheeting
US6258443B1 (en) 1994-09-28 2001-07-10 Reflexite Corporation Textured retroreflective prism structures and molds for forming same
US8534849B2 (en) 2009-04-15 2013-09-17 3M Innovative Properties Company Retroreflecting optical construction
US8891038B2 (en) 2009-04-15 2014-11-18 3M Innovative Properties Company Lightguide with optical film containing voids and blacklight for display system
US8964146B2 (en) 2009-04-15 2015-02-24 3M Innovative Properties Company Optical film for preventing optical coupling
US9291752B2 (en) 2013-08-19 2016-03-22 3M Innovative Properties Company Retroreflecting optical construction
US9618663B2 (en) 2010-04-15 2017-04-11 3M Innovative Properties Company Retroreflective articles including optically active areas and optically inactive areas
US9791604B2 (en) 2010-04-15 2017-10-17 3M Innovative Properties Company Retroreflective articles including optically active areas and optically inactive areas
US9910194B2 (en) 2010-04-15 2018-03-06 3M Innovative Properties Company Retroreflective articles including optically active areas and optically inactive areas
US10649274B2 (en) 2009-04-15 2020-05-12 3M Innovative Properties Company Optical construction and display system incorporating same

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2455295A1 (en) * 1979-04-27 1980-11-21 Ferro Corp Surface reflective marking material strip - consists of sheet with refractive surface and three faceted reflecting units on opposite sides
US4555161A (en) * 1984-02-16 1985-11-26 Reflexite Corporation Encapsulated retroreflective material and method of making same
FR2628219A1 (en) * 1988-03-04 1989-09-08 Reflexite Corp RETROREFLECTIVE SHEET AND MANUFACTURING METHOD
EP0333502A2 (en) * 1988-03-18 1989-09-20 Minnesota Mining And Manufacturing Company Internally illuminated retroreflective sign
EP0333502A3 (en) * 1988-03-18 1990-05-16 Minnesota Mining And Manufacturing Company Internally illuminated retroreflective sign
EP0399815A2 (en) * 1989-05-23 1990-11-28 Minnesota Mining And Manufacturing Company Flexible, substrate-insular retroreflective sheeting
EP0399815A3 (en) * 1989-05-23 1991-01-09 Minnesota Mining And Manufacturing Company Flexible, substrate-insular retroreflective sheeting
US5069964A (en) * 1989-05-23 1991-12-03 Minnesota Mining And Manufacturing Company Flexible, substrate-insular retroreflective sheeting
US6770225B2 (en) 1994-09-28 2004-08-03 Reflexite Corporation Textured retroreflective prism structures and molds for forming same
US5840406A (en) * 1994-09-28 1998-11-24 Reflexite Corporation Retroreflective prism structure with windows formed thereon
US6258443B1 (en) 1994-09-28 2001-07-10 Reflexite Corporation Textured retroreflective prism structures and molds for forming same
US5565151A (en) * 1994-09-28 1996-10-15 Reflexite Corporation Retroreflective prism structure with windows formed thereon
US5930041A (en) * 1995-12-01 1999-07-27 Stimsonite Corporation Method of producing cellular retroreflective sheeting
US9551816B2 (en) 2009-04-15 2017-01-24 3M Innovative Properties Company Retroreflecting optical construction
US8891038B2 (en) 2009-04-15 2014-11-18 3M Innovative Properties Company Lightguide with optical film containing voids and blacklight for display system
US8964146B2 (en) 2009-04-15 2015-02-24 3M Innovative Properties Company Optical film for preventing optical coupling
US11435616B2 (en) 2009-04-15 2022-09-06 3M Innovative Properties Company Optical construction and display system incorporating same
US8534849B2 (en) 2009-04-15 2013-09-17 3M Innovative Properties Company Retroreflecting optical construction
US10649274B2 (en) 2009-04-15 2020-05-12 3M Innovative Properties Company Optical construction and display system incorporating same
US9910194B2 (en) 2010-04-15 2018-03-06 3M Innovative Properties Company Retroreflective articles including optically active areas and optically inactive areas
US9791604B2 (en) 2010-04-15 2017-10-17 3M Innovative Properties Company Retroreflective articles including optically active areas and optically inactive areas
US10132969B2 (en) 2010-04-15 2018-11-20 3M Innovative Properties Company Retroreflective articles including optically active areas and optically inactive areas
US10379271B2 (en) 2010-04-15 2019-08-13 3M Innovative Properties Company Retroreflective articles including optically active areas and optically inactive areas
US10557976B2 (en) 2010-04-15 2020-02-11 3M Innovative Properties Company Retroreflective articles including optically active areas and optically inactive areas
US9618663B2 (en) 2010-04-15 2017-04-11 3M Innovative Properties Company Retroreflective articles including optically active areas and optically inactive areas
US10859738B2 (en) 2010-04-15 2020-12-08 3M Innovative Properties Company Retroreflective articles including optically active areas and optically inactive areas
US9291752B2 (en) 2013-08-19 2016-03-22 3M Innovative Properties Company Retroreflecting optical construction

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years