DE69623633T2 - Rückstrahlende elemente - Google Patents

Rückstrahlende elemente

Info

Publication number
DE69623633T2
DE69623633T2 DE69623633T DE69623633T DE69623633T2 DE 69623633 T2 DE69623633 T2 DE 69623633T2 DE 69623633 T DE69623633 T DE 69623633T DE 69623633 T DE69623633 T DE 69623633T DE 69623633 T2 DE69623633 T2 DE 69623633T2
Authority
DE
Germany
Prior art keywords
core element
optical elements
retroreflective
thermoplastic material
core
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
DE69623633T
Other languages
English (en)
Other versions
DE69623633D1 (de
Inventor
A Hachey
K Stump
L Bescup
V Kusilek
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 DE69623633D1 publication Critical patent/DE69623633D1/de
Application granted granted Critical
Publication of DE69623633T2 publication Critical patent/DE69623633T2/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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/58—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising fillers only, e.g. particles, powder, beads, flakes, spheres
    • B29C70/64—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising fillers only, e.g. particles, powder, beads, flakes, spheres the filler influencing the surface characteristics of the material, e.g. by concentrating near the surface or by incorporating in the surface by force
    • 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
    • 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
    • B29D11/00615—Production of reflex reflectors moulded by partially embedding reflective elements, e.g. glass beads, into the surface of a support, e.g. to make prefabricated road markings
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
    • E01F9/506—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users characterised by the road surface marking material, e.g. comprising additives for improving friction or reflectivity; Methods of forming, installing or applying markings in, on or to road surfaces
    • E01F9/524—Reflecting elements specially adapted for incorporation in or application to road surface markings
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
    • E01F9/553—Low discrete bodies, e.g. marking blocks, studs or flexible vehicle-striking members
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/12—Reflex reflectors
    • G02B5/126—Reflex reflectors including curved refracting surface
    • G02B5/128—Reflex reflectors including curved refracting surface transparent spheres being embedded in matrix

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Ophthalmology & Optometry (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Road Signs Or Road Markings (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
DE69623633T 1995-07-18 1996-06-05 Rückstrahlende elemente Expired - Fee Related DE69623633T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/503,532 US5750191A (en) 1994-05-20 1995-07-18 Retroreflective elements
PCT/US1996/009417 WO1997003814A2 (en) 1995-07-18 1996-06-05 Retroreflective elements

Publications (2)

Publication Number Publication Date
DE69623633D1 DE69623633D1 (de) 2002-10-17
DE69623633T2 true DE69623633T2 (de) 2003-05-22

Family

ID=24002481

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69623633T Expired - Fee Related DE69623633T2 (de) 1995-07-18 1996-06-05 Rückstrahlende elemente
DE69636742T Expired - Fee Related DE69636742T2 (de) 1995-07-18 1996-06-05 Retroreflektierende Elemente

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69636742T Expired - Fee Related DE69636742T2 (de) 1995-07-18 1996-06-05 Retroreflektierende Elemente

Country Status (10)

Country Link
US (1) US5750191A (de)
EP (3) EP0839087B1 (de)
JP (1) JPH11509493A (de)
KR (1) KR19990029004A (de)
CN (1) CN1190928A (de)
AT (2) ATE346741T1 (de)
AU (1) AU703175B2 (de)
BR (1) BR9609491A (de)
DE (2) DE69623633T2 (de)
WO (1) WO1997003814A2 (de)

Families Citing this family (47)

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Publication number Priority date Publication date Assignee Title
US6156436A (en) * 1997-04-04 2000-12-05 3M Innovative Properties Company Use of a crystalline bead bond layer in a retroreflective article
USRE40088E1 (en) 1997-06-13 2008-02-19 3M Innovative Properties Company Liquid pavement marking compositions
CN1128170C (zh) 1997-06-13 2003-11-19 美国3M公司 路面标记、涂料组合物、液体路面标记组合物及其用途和制造方法以及标记表面的方法
AU8257398A (en) 1997-07-16 1999-02-10 Minnesota Mining And Manufacturing Company Pavement marking having raised protuberances and method of making
US5941655A (en) * 1997-07-16 1999-08-24 3M Innovative Properties Company Direction-indicating pavement marking having raised protuberances and method of making
US6217252B1 (en) 1998-08-11 2001-04-17 3M Innovative Properties Company Wear-resistant transportation surface marking method and materials
US6107436A (en) * 1998-10-05 2000-08-22 3M Innovative Properties Company Polyfunctional polymer
US6350823B1 (en) 1998-10-05 2002-02-26 3M Innovative Properties Company Pavement marking composition
US6247818B1 (en) 1998-10-20 2001-06-19 3M Innovative Properties Company Method for making retroreflective elements having enhanced retroreflectivity under dry and/or wet conditions
US6365262B1 (en) 1998-10-20 2002-04-02 3M Innovative Properties Company Pavement marking articles having enhanced retroreflectivity under dry or wet conditions and method for making same
DE19903632A1 (de) 1999-01-29 2000-08-10 Fraunhofer Ges Forschung Verfahren zur Beeinflussung der optischen Eigenschaften von Polymeren
US6696126B1 (en) 1999-08-12 2004-02-24 The United States Of America As Represented By The Secretary Of The Navy Visual-tactile signage
US6966660B1 (en) 1999-10-15 2005-11-22 3M Innovative Properties Company Article exhibiting dry and wet retroreflectivity
US6623793B2 (en) 2000-08-16 2003-09-23 Litetech, Inc. Process for forming a reflective surface
ATE460465T1 (de) * 2000-12-29 2010-03-15 Michelin Soc Tech Reifen mit einer farbigen oberflächenzusammensetzung
FR2818984A1 (fr) * 2000-12-29 2002-07-05 Michelin Soc Tech Pneumatique ayant une composition coloree metallisee de surface
KR100430976B1 (ko) * 2000-12-30 2004-05-12 삼성아토피나주식회사 에틸렌 중합 및 에틸렌/α-올레핀 공중합용 담지촉매의제조방법
AUPR554501A0 (en) * 2001-06-07 2001-07-12 Lehmann Pacific Solar Pty Limited Radiative cooling surface coatings
US6677926B2 (en) 2001-06-11 2004-01-13 Xerox Corporation Electrophoretic display device
US20040057793A1 (en) * 2002-09-23 2004-03-25 Gurzo Vincent R. Method for accelerating the drying rate of road marking compositions
CN1878914A (zh) * 2003-11-06 2006-12-13 3M创新有限公司 包含粘结树脂芯体的逆向反射元件以及路面标记
US7223307B2 (en) * 2004-01-21 2007-05-29 3M Innovative Properties Company Disc coater
US7156528B2 (en) 2004-01-21 2007-01-02 3M Innovative Properties Company Retroreflective elements and articles
US20050158461A1 (en) * 2004-01-21 2005-07-21 3M Innovative Properties Company Methods of making reflective elements
WO2005073468A1 (en) 2004-01-21 2005-08-11 3M Innovative Properties Company Retroreflective elements and articles
US7168815B2 (en) * 2004-01-21 2007-01-30 3M Innovative Properties Company Retroreflective elements and articles
GB2438680A (en) * 2006-05-31 2007-12-05 John Hoyte Light reflective element for dispersal over a loose surface
US7744306B2 (en) * 2007-04-02 2010-06-29 Greer Robert F Preformed thermoplastic indicia for airport runways and taxiways
US9207373B2 (en) 2007-04-10 2015-12-08 Stoncor Group, Inc. Methods for fabrication and highway marking usage of agglomerated retroreflective beads
US8245973B2 (en) * 2007-11-21 2012-08-21 The Boeing Company Methods and systems for improving aircraft visibility
US8840956B2 (en) * 2008-10-31 2014-09-23 Potters Industries, Llc Retroreflective coating and method for applying a retroreflective coating on a structure
US20100272962A1 (en) * 2009-04-22 2010-10-28 Potters Industries Inc. Reflective substrate surface system, reflective assembly, and methods of improving the visibility of a substrate surface
US8647013B2 (en) * 2010-02-09 2014-02-11 Potters Industries, Llc Reflective substrate surface system, reflective assembly, and methods of improving the visibility of a substrate surface
US8556436B2 (en) 2010-02-26 2013-10-15 Timothy Byrne Retroreflective surfaces for articles
US9340934B2 (en) 2011-09-01 2016-05-17 3M Innovative Properties Company Pavement marking materials and methods
EP2855611B1 (de) 2012-05-29 2022-02-16 3M Innovative Properties Company Markierungszusammensetzungen für strassenbelag
EP3149070A1 (de) 2014-04-29 2017-04-05 3M Innovative Properties Company Copolymere aus poly ethylen-co-acrylsäure) und polydiorganosiloxanen
US10605967B2 (en) 2014-08-08 2020-03-31 3M Innovative Properties Company Retroreflective elements including particles
US10179861B2 (en) * 2015-07-08 2019-01-15 Ennis Paint, Inc. Prilled compounded thermoplastic roadway marking materials
CN108027463B (zh) * 2015-09-11 2021-12-07 3M创新有限公司 具有离子共聚物芯的耐用回射元件
US10858496B2 (en) 2015-09-11 2020-12-08 3M Innovative Properties Company Durable retroreflective elements with a blend of beads
EP3596271A1 (de) 2017-03-15 2020-01-22 3M Innovative Properties Company Fahrbahnmarkierungssystem für spuridentifikation
CN110462136A (zh) 2017-03-20 2019-11-15 3M创新有限公司 白色道路标记
US11011082B2 (en) 2017-05-16 2021-05-18 Promedica Health System, Inc. Stairway safety device
EP3724400A1 (de) 2017-12-14 2020-10-21 3M Innovative Properties Company Fahrbahnmarkierungen und fahrbahnmarkierungssystem zur spuridentifizierung
US11467324B2 (en) 2018-10-26 2022-10-11 Tundra Composits, LLC Complex retroreflective bead
US20220221628A1 (en) 2021-01-12 2022-07-14 Tundra Composites, LLC Retroreflective composite reflective microspheres and reflective inorganic material

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US2440584A (en) * 1944-06-19 1948-04-27 Minnesota Mining & Mfg Lenticular reflex reflector sheet and method of making the same
US2407680A (en) * 1945-03-02 1946-09-17 Minnesota Mining & Mfg Reflex light reflector
US2567233A (en) * 1946-09-19 1951-09-11 Minnesota Mining & Mfg Reflex-reflective sheet material useful for protective garments and the like
US2793136A (en) * 1953-10-08 1957-05-21 United Shoe Machinery Corp Slip-resistant surfaces and processes for making the same
US2865266A (en) * 1956-11-28 1958-12-23 American Marietta Co Centerline paint
US3043196A (en) * 1957-09-18 1962-07-10 Minnesota Mining & Mfg Reflective marking aggregate
US3005382A (en) * 1957-11-25 1961-10-24 Minnesota Mining & Mfg Reflex-reflecting sheet materials
US3171827A (en) * 1960-10-31 1965-03-02 Prismo Safety Corp Reflective granules
US3175935A (en) * 1961-05-08 1965-03-30 Minnesota Mining & Mfg Method of making reflective particles and resultant article
US3190178A (en) * 1961-06-29 1965-06-22 Minnesota Mining & Mfg Reflex-reflecting sheeting
US3274888A (en) * 1962-01-19 1966-09-27 Minnesota Mining & Mfg Inorganic reflex-reflective aggregate
US3252376A (en) * 1962-02-16 1966-05-24 Prismo Safety Corp Reflex reflective granule and marking material made thereof
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Also Published As

Publication number Publication date
EP1157812A3 (de) 2002-05-29
BR9609491A (pt) 1999-03-02
EP1754985A3 (de) 2007-08-01
DE69623633D1 (de) 2002-10-17
ATE346741T1 (de) 2006-12-15
JPH11509493A (ja) 1999-08-24
CN1190928A (zh) 1998-08-19
WO1997003814A3 (en) 1997-03-27
DE69636742D1 (de) 2007-01-11
EP1157812B1 (de) 2006-11-29
EP1754985A2 (de) 2007-02-21
KR19990029004A (ko) 1999-04-15
MX9800353A (es) 1998-07-31
EP1157812A2 (de) 2001-11-28
ATE223809T1 (de) 2002-09-15
EP0839087B1 (de) 2002-09-11
EP0839087A1 (de) 1998-05-06
AU703175B2 (en) 1999-03-18
AU6099396A (en) 1997-02-18
US5750191A (en) 1998-05-12
WO1997003814A2 (en) 1997-02-06
DE69636742T2 (de) 2007-10-18

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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