FR1211669A - Granular material that reflects light, especially for road marking - Google Patents

Granular material that reflects light, especially for road marking

Info

Publication number
FR1211669A
FR1211669A FR1211669DA FR1211669A FR 1211669 A FR1211669 A FR 1211669A FR 1211669D A FR1211669D A FR 1211669DA FR 1211669 A FR1211669 A FR 1211669A
Authority
FR
France
Prior art keywords
granular material
reflects light
road marking
marking
road
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
Other languages
French (fr)
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 FR1211669A publication Critical patent/FR1211669A/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
    • G02B5/126—Reflex reflectors including curved refracting surface
    • G02B5/128—Reflex reflectors including curved refracting surface transparent spheres being embedded in matrix
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR1211669D 1957-09-18 1958-09-18 Granular material that reflects light, especially for road marking Expired FR1211669A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1211669XA 1957-09-18 1957-09-18

Publications (1)

Publication Number Publication Date
FR1211669A true FR1211669A (en) 1960-03-17

Family

ID=22394995

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1211669D Expired FR1211669A (en) 1957-09-18 1958-09-18 Granular material that reflects light, especially for road marking

Country Status (1)

Country Link
FR (1) FR1211669A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2570726A1 (en) * 1984-09-21 1986-03-28 Porters Ind Inc REFLECTIVE PARTICLES AND PROCESS FOR PRODUCING THE SAME
EP0565765A2 (en) * 1992-04-17 1993-10-20 SWARCO VESTGLAS Vestische Strahl- und Reflexglas GmbH Retroreflective body, particularly for road marking

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2570726A1 (en) * 1984-09-21 1986-03-28 Porters Ind Inc REFLECTIVE PARTICLES AND PROCESS FOR PRODUCING THE SAME
EP0565765A2 (en) * 1992-04-17 1993-10-20 SWARCO VESTGLAS Vestische Strahl- und Reflexglas GmbH Retroreflective body, particularly for road marking
EP0565765A3 (en) * 1992-04-17 1994-05-18 Swarco Vestglas Vestische Stra Retroreflective body, particularly for road marking

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