CA2384709A1 - Improved continuous process for making glittering cube corner sheeting - Google Patents

Improved continuous process for making glittering cube corner sheeting Download PDF

Info

Publication number
CA2384709A1
CA2384709A1 CA002384709A CA2384709A CA2384709A1 CA 2384709 A1 CA2384709 A1 CA 2384709A1 CA 002384709 A CA002384709 A CA 002384709A CA 2384709 A CA2384709 A CA 2384709A CA 2384709 A1 CA2384709 A1 CA 2384709A1
Authority
CA
Canada
Prior art keywords
sheeting
cube corner
heated zone
zone
extended
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.)
Abandoned
Application number
CA002384709A
Other languages
English (en)
French (fr)
Inventor
Richard W. Anderson
John L. Vandenberg
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 Innovative Properties Co
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2384709A1 publication Critical patent/CA2384709A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/12Reflex reflectors
    • G02B5/122Reflex reflectors cube corner, trihedral or triple reflector type
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/12Reflex reflectors
    • G02B5/122Reflex reflectors cube corner, trihedral or triple reflector type
    • G02B5/124Reflex reflectors cube corner, trihedral or triple reflector type plural reflecting elements forming part of a unitary plate or sheet
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44FSPECIAL DESIGNS OR PICTURES
    • B44F1/00Designs or pictures characterised by special or unusual light effects
    • B44F1/02Designs or pictures characterised by special or unusual light effects produced by reflected light, e.g. matt surfaces, lustrous surfaces
    • B44F1/04Designs or pictures characterised by special or unusual light effects produced by reflected light, e.g. matt surfaces, lustrous surfaces after passage through surface layers, e.g. pictures with mirrors on the back

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Laminated Bodies (AREA)
CA002384709A 1999-10-04 2000-02-04 Improved continuous process for making glittering cube corner sheeting Abandoned CA2384709A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US41277299A 1999-10-04 1999-10-04
US09/412,772 1999-10-04
PCT/US2000/002961 WO2001025825A1 (en) 1999-10-04 2000-02-04 Improved continuous process for making glittering cube corner sheeting

Publications (1)

Publication Number Publication Date
CA2384709A1 true CA2384709A1 (en) 2001-04-12

Family

ID=23634422

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002384709A Abandoned CA2384709A1 (en) 1999-10-04 2000-02-04 Improved continuous process for making glittering cube corner sheeting

Country Status (10)

Country Link
US (1) US6776935B2 (enExample)
EP (1) EP1221060B1 (enExample)
JP (1) JP2003511713A (enExample)
KR (1) KR100620348B1 (enExample)
CN (1) CN1153986C (enExample)
AU (1) AU2756000A (enExample)
CA (1) CA2384709A1 (enExample)
DE (1) DE60017274T2 (enExample)
TW (1) TW519576B (enExample)
WO (1) WO2001025825A1 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7018573B2 (en) * 2002-10-08 2006-03-28 Eastman Kodak Company Method for making a modified cube corner retro-reflective screen
JP2006126312A (ja) 2004-10-27 2006-05-18 Seiko Epson Corp スクリーン、スクリーンの製造方法及びプロジェクタ
US7121155B2 (en) * 2004-12-29 2006-10-17 3M Innovative Properties Company Pressure indicating structure
US8438499B2 (en) 2005-05-03 2013-05-07 Mcafee, Inc. Indicating website reputations during user interactions
US9384345B2 (en) 2005-05-03 2016-07-05 Mcafee, Inc. Providing alternative web content based on website reputation assessment
US8566726B2 (en) 2005-05-03 2013-10-22 Mcafee, Inc. Indicating website reputations based on website handling of personal information
US7562304B2 (en) 2005-05-03 2009-07-14 Mcafee, Inc. Indicating website reputations during website manipulation of user information
US8701196B2 (en) 2006-03-31 2014-04-15 Mcafee, Inc. System, method and computer program product for obtaining a reputation associated with a file
US7972462B2 (en) * 2006-05-09 2011-07-05 Nitto Denko Corporation Method for manufacturing combination-type optical film, apparatus for the method, combination-type optical film and image display device
CN105690721A (zh) * 2014-11-27 2016-06-22 宁波高新区赛尔富电子有限公司 一种透镜成型机
EP3583452A4 (en) 2017-02-14 2021-03-17 3M Innovative Properties Company NON-ORTHOGONAL CUBE CORNER ELEMENTS AND NETWORKS OF THESE MANUFACTURED BY COMBINATION MILLING

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5530941A (en) * 1978-08-26 1980-03-05 Kyoichi Murata Reflective sheet and its manufacturing method
US4332847A (en) * 1979-09-20 1982-06-01 Relfexite Corporation Method for compression molding of retroreflective sheeting and sheeting produced thereby
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
US4588258A (en) 1983-09-12 1986-05-13 Minnesota Mining And Manufacturing Company Cube-corner retroreflective articles having wide angularity in multiple viewing planes
US4775219A (en) 1986-11-21 1988-10-04 Minnesota Mining & Manufacturing Company Cube-corner retroreflective articles having tailored divergence profiles
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
US5138488A (en) 1990-09-10 1992-08-11 Minnesota Mining And Manufacturing Company Retroreflective material with improved angularity
US5450235A (en) 1993-10-20 1995-09-12 Minnesota Mining And Manufacturing Company Flexible cube-corner retroreflective sheeting
US5763049A (en) 1996-04-30 1998-06-09 Minnesota Mining And Manufacturing Company Formed ultra-flexible retroreflective cube-corner composite sheeting with target optical properties and method for making same
US5840405A (en) * 1996-04-30 1998-11-24 Minnesota Mining And Manufacturing Company Glittering cube-corner retroreflective sheeting
US5770124A (en) * 1996-04-30 1998-06-23 Minnesota Mining And Manufacturing Company Method of making glittering cube-corner retroreflective sheeting
US5948488A (en) * 1996-04-30 1999-09-07 3M Innovative Properties Company Glittering cube-corner article
US5814355A (en) * 1996-04-30 1998-09-29 Minnesota Mining And Manufacturing Company Mold for producing glittering cube-corner retroreflective sheeting
USD444953S1 (en) 1997-10-31 2001-07-17 3M Innovative Properties Company Glittering cube-corner retroreflective sheeting
US6096247A (en) * 1998-07-31 2000-08-01 3M Innovative Properties Company Embossed optical polymer films

Also Published As

Publication number Publication date
EP1221060B1 (en) 2005-01-05
CN1377467A (zh) 2002-10-30
KR100620348B1 (ko) 2006-09-11
DE60017274D1 (de) 2005-02-10
TW519576B (en) 2003-02-01
CN1153986C (zh) 2004-06-16
JP2003511713A (ja) 2003-03-25
KR20020041816A (ko) 2002-06-03
US6776935B2 (en) 2004-08-17
DE60017274T2 (de) 2005-12-08
AU2756000A (en) 2001-05-10
US20010042931A1 (en) 2001-11-22
WO2001025825A1 (en) 2001-04-12
EP1221060A1 (en) 2002-07-10

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued