FR2145554B1 - - Google Patents

Info

Publication number
FR2145554B1
FR2145554B1 FR7224887A FR7224887A FR2145554B1 FR 2145554 B1 FR2145554 B1 FR 2145554B1 FR 7224887 A FR7224887 A FR 7224887A FR 7224887 A FR7224887 A FR 7224887A FR 2145554 B1 FR2145554 B1 FR 2145554B1
Authority
FR
France
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
FR7224887A
Other versions
FR2145554A1 (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.)
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
Publication of FR2145554A1 publication Critical patent/FR2145554A1/fr
Application granted granted Critical
Publication of FR2145554B1 publication Critical patent/FR2145554B1/fr
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
FR7224887A 1971-07-10 1972-07-10 Expired FR2145554B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT26899/71A IT1009505B (it) 1971-07-10 1971-07-10 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

Publications (2)

Publication Number Publication Date
FR2145554A1 FR2145554A1 (fr) 1973-02-23
FR2145554B1 true FR2145554B1 (fr) 1976-08-06

Family

ID=11220482

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7224887A Expired FR2145554B1 (fr) 1971-07-10 1972-07-10

Country Status (10)

Country Link
US (1) US3781083A (fr)
AT (1) AT324890B (fr)
AU (1) AU472974B2 (fr)
CA (1) CA967929A (fr)
CH (1) CH548035A (fr)
DE (1) DE2234384C3 (fr)
FR (1) FR2145554B1 (fr)
GB (1) GB1367240A (fr)
IT (1) IT1009505B (fr)
SE (1) SE391586B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3874784A (en) * 1972-06-17 1975-04-01 Ludwig Eigenmann Signal reflector with convex reflectors secured to a transparent sphere
IT1045437B (it) * 1972-12-28 1980-05-10 Eigenmann Ludwig Perfezionamento ai materiali cata rifrangenti a doppia focalizzazione in particolare per segnaletica strdale
IT1045337B (it) * 1973-03-21 1980-05-10 Eigenmann Ludwig Materiale catarifrangente in particolare per segnaletica stradale per sentante proprieta di retro riflessione alla luce radente
IT993807B (it) * 1973-08-29 1975-09-30 Eigenmann Ludwig Perfezionamenti agli elementi catarifrangenti in particolare per segnaletica stradale e relativi elementi perfezionati
IT1046126B (it) * 1974-05-20 1980-06-30 Eigenmann Ludwig Perfezionamenti ai materiali retro collimanti in particolare per segnaletica stradale e relativi agglomerati retrocollimanti
DE2632107C2 (de) * 1975-07-16 1986-01-09 Ludwig Dr. Vacallo Tessin Eigenmann Rückstrahlaggregat für Markierungsmaterial zur horizontalen Straßenmarkierung
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
US5268789A (en) * 1992-02-18 1993-12-07 Minnesota Mining And Manufacturing Company Retroreflective assembly and process for making same
DE10029529A1 (de) * 1999-12-23 2001-06-28 Rohwedder Visotech Gmbh Reflektorsystem zur Positionsbestimmung
US8292539B2 (en) * 2007-04-10 2012-10-23 Stoncor Group, Inc. Agglomerated retroreflective beads for highway marking and methods for fabrication and use thereof
US9207373B2 (en) 2007-04-10 2015-12-08 Stoncor Group, Inc. Methods for fabrication and highway marking usage of agglomerated retroreflective beads
CN114855582B (zh) * 2022-05-19 2023-01-24 安徽拓力工程材料科技有限公司 一种反光和自发光玻璃微珠间隔撒播装置及其使用方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3311441A (en) * 1963-04-03 1967-03-28 Jr Edwin R Gill Reflector
AT269690B (de) * 1964-12-28 1969-03-25 Minnesota Mining & Mfg Verfahren zur Herstellung einer rückstrahlenden Fläche

Also Published As

Publication number Publication date
GB1367240A (fr) 1974-09-18
CH548035A (de) 1974-04-11
AU472974B2 (en) 1976-06-10
IT1009505B (it) 1976-12-20
DE2234384A1 (de) 1973-01-18
DE2234384C3 (de) 1981-07-23
SE391586B (sv) 1977-02-21
FR2145554A1 (fr) 1973-02-23
DE2234384B2 (de) 1980-12-18
AU4441872A (en) 1974-01-17
CA967929A (en) 1975-05-20
AT324890B (de) 1975-09-25
US3781083A (en) 1973-12-25

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Legal Events

Date Code Title Description
ST Notification of lapse