CA994309A - Retro-reflecting element and method for making same - Google Patents

Retro-reflecting element and method for making same

Info

Publication number
CA994309A
CA994309A CA195,634A CA195634A CA994309A CA 994309 A CA994309 A CA 994309A CA 195634 A CA195634 A CA 195634A CA 994309 A CA994309 A CA 994309A
Authority
CA
Canada
Prior art keywords
retro
reflecting element
making same
making
reflecting
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
CA195,634A
Other languages
English (en)
Other versions
CA195634S (en
Inventor
Ludwig Eigenmann
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.)
Individual
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
Application granted granted Critical
Publication of CA994309A publication Critical patent/CA994309A/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)
  • Road Signs Or Road Markings (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Optical Elements Other Than Lenses (AREA)
CA195,634A 1973-03-21 1974-03-21 Retro-reflecting element and method for making same Expired CA994309A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21913/73A IT1045337B (it) 1973-03-21 1973-03-21 Materiale catarifrangente in particolare per segnaletica stradale per sentante proprieta di retro riflessione alla luce radente

Publications (1)

Publication Number Publication Date
CA994309A true CA994309A (en) 1976-08-03

Family

ID=11188670

Family Applications (1)

Application Number Title Priority Date Filing Date
CA195,634A Expired CA994309A (en) 1973-03-21 1974-03-21 Retro-reflecting element and method for making same

Country Status (11)

Country Link
US (1) US3964820A (enExample)
JP (1) JPS5027495A (enExample)
AT (1) AT351972B (enExample)
BE (1) BE812629A (enExample)
CA (1) CA994309A (enExample)
CH (1) CH567630A5 (enExample)
DE (1) DE2414045C2 (enExample)
FR (1) FR2222490B1 (enExample)
GB (1) GB1463574A (enExample)
IT (1) IT1045337B (enExample)
NL (1) NL7403875A (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4072403A (en) * 1975-07-16 1978-02-07 Ludwig Eigenmann Retro-reflecting assembly
IT1054942B (it) * 1976-01-14 1981-11-30 Eigenmann Ludwig Perfezionamento ai procedimenti per la produzione di elementi catari frangenti in particolare per segnaletica stradale relativi elementi perfezionati e materiale nastriforme per segnaletica stradale orizzontale comportante i detti elementi
IT1097474B (it) * 1978-07-05 1985-08-31 Eigenmann Ludwig Elementi retroriflettenti perfezionati per segnaletica stradale,e metodo per il loro orientamento e posa in opera
US4789219A (en) * 1986-03-06 1988-12-06 The United States Of America As Represented By The United States Department Of Energy Gradient index retroreflector
JPS63141215U (enExample) * 1987-03-07 1988-09-16
US5268789A (en) * 1992-02-18 1993-12-07 Minnesota Mining And Manufacturing Company Retroreflective assembly and process for making same
US7874686B2 (en) * 2004-09-27 2011-01-25 Brainlab Ag Reflective marker and method for its manufacture
US9207373B2 (en) 2007-04-10 2015-12-08 Stoncor Group, Inc. Methods for fabrication and highway marking usage of agglomerated retroreflective beads
US8292539B2 (en) * 2007-04-10 2012-10-23 Stoncor Group, Inc. Agglomerated retroreflective beads for highway marking and methods for fabrication and use thereof
DE102009019986B8 (de) 2009-05-06 2013-08-01 Ilumark Gmbh Retro-reflektierender Marker
US9631367B2 (en) 2011-08-05 2017-04-25 Certainteed Corporation System, method and apparatus for increasing surface solar reflectance of roofing
CA2783921A1 (en) 2011-08-05 2013-02-05 Certainteed Corporation System, method and apparatus for increasing surface solar reflectance of roofing
RU2642746C1 (ru) * 2016-11-16 2018-01-25 Александр Вячеславович Филиппов Горизонтальная дорожная разметка (варианты)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2294930A (en) * 1941-04-07 1942-09-08 Minnesota Mining & Mfg Reflex light reflector
US2951419A (en) * 1953-06-11 1960-09-06 Jerome H Lemelson Reflective display device
US3556637A (en) * 1968-06-27 1971-01-19 Minnesota Mining & Mfg Reflex-reflecting aggregate and markers prepared therefrom
BE765884A (fr) * 1970-04-22 1971-09-16 Eigenmann Ludwig Materiau catadioptrique perfectionne, a double focalisation de la lumiere, en particulier pour signalisation routiere
IT1009505B (it) * 1971-07-10 1976-12-20 Eigenmann Ludwig Perfezionamento ai materiali catari frangenti in particolare per segna letica orizzontale e verticale car telli indicatori e simili e relati vi materiali catarifrangenti perfe zionati

Also Published As

Publication number Publication date
GB1463574A (en) 1977-02-02
JPS5027495A (enExample) 1975-03-20
FR2222490A1 (enExample) 1974-10-18
DE2414045A1 (de) 1974-10-03
DE2414045C2 (de) 1986-05-15
AU6698274A (en) 1975-09-25
IT1045337B (it) 1980-05-10
BE812629A (fr) 1974-07-15
AT351972B (de) 1979-08-27
US3964820A (en) 1976-06-22
CH567630A5 (enExample) 1975-10-15
ATA227174A (de) 1979-01-15
FR2222490B1 (enExample) 1980-05-16
NL7403875A (enExample) 1974-09-24

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