IT1046126B - Perfezionamenti ai materiali retro collimanti in particolare per segnaletica stradale e relativi agglomerati retrocollimanti - Google Patents

Perfezionamenti ai materiali retro collimanti in particolare per segnaletica stradale e relativi agglomerati retrocollimanti

Info

Publication number
IT1046126B
IT1046126B IT22963/74A IT2296374A IT1046126B IT 1046126 B IT1046126 B IT 1046126B IT 22963/74 A IT22963/74 A IT 22963/74A IT 2296374 A IT2296374 A IT 2296374A IT 1046126 B IT1046126 B IT 1046126B
Authority
IT
Italy
Prior art keywords
retrocollimant
refinements
agglomerates
back materials
road signage
Prior art date
Application number
IT22963/74A
Other languages
English (en)
Original Assignee
Eigenmann Ludwig
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 Eigenmann Ludwig filed Critical Eigenmann Ludwig
Priority to IT22963/74A priority Critical patent/IT1046126B/it
Priority to US05/578,922 priority patent/US4012114A/en
Priority to GB21108/75A priority patent/GB1501910A/en
Priority to CA227,324A priority patent/CA1032913A/en
Priority to DE2522710A priority patent/DE2522710C2/de
Application granted granted Critical
Publication of IT1046126B publication Critical patent/IT1046126B/it

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)
  • Optical Elements Other Than Lenses (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Road Signs Or Road Markings (AREA)
IT22963/74A 1974-05-20 1974-05-20 Perfezionamenti ai materiali retro collimanti in particolare per segnaletica stradale e relativi agglomerati retrocollimanti IT1046126B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT22963/74A IT1046126B (it) 1974-05-20 1974-05-20 Perfezionamenti ai materiali retro collimanti in particolare per segnaletica stradale e relativi agglomerati retrocollimanti
US05/578,922 US4012114A (en) 1974-05-20 1975-05-19 High efficiency reflecting system, and method
GB21108/75A GB1501910A (en) 1974-05-20 1975-05-19 High efficiency retro-reflecting device
CA227,324A CA1032913A (en) 1974-05-20 1975-05-20 Retroreflecting aggregate composed of spherical and microspherical components
DE2522710A DE2522710C2 (de) 1974-05-20 1975-05-20 Rückstrahlaggregat, insbesondere für Zwecke der horizontalen Straßenmarkierung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT22963/74A IT1046126B (it) 1974-05-20 1974-05-20 Perfezionamenti ai materiali retro collimanti in particolare per segnaletica stradale e relativi agglomerati retrocollimanti

Publications (1)

Publication Number Publication Date
IT1046126B true IT1046126B (it) 1980-06-30

Family

ID=11202351

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22963/74A IT1046126B (it) 1974-05-20 1974-05-20 Perfezionamenti ai materiali retro collimanti in particolare per segnaletica stradale e relativi agglomerati retrocollimanti

Country Status (5)

Country Link
US (1) US4012114A (it)
CA (1) CA1032913A (it)
DE (1) DE2522710C2 (it)
GB (1) GB1501910A (it)
IT (1) IT1046126B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4293189A (en) * 1978-03-31 1981-10-06 Solid Corporation Light reflecting device
US4702598A (en) * 1985-02-25 1987-10-27 Research Corporation Flow cytometer
US4678695A (en) * 1985-12-23 1987-07-07 Minnesota Mining And Manufacturing Company Encapsulated flattop retroreflective sheeting and method for producing the same
US4889409A (en) * 1988-02-16 1989-12-26 Ball Corporation Hemispherical retroreflector
FR2706045B1 (fr) * 1993-06-04 1995-08-11 Espace Ind Controles Cible rétro-réfléchissante et son procédé de fabrication.
KR100518130B1 (ko) * 1995-07-07 2006-01-27 미네소타 마이닝 앤드 매뉴팩춰링 캄파니 실릴말단기를가진설포폴리(에스테르-우레탄)포장도로표시조성물
US5756633A (en) * 1996-03-01 1998-05-26 Minnesota Mining And Manufacturing Company Silyl terminated sulfopoly(ester-urethane) compositions
US5747626A (en) * 1996-03-01 1998-05-05 Minnesota Mining And Manufacturing Company Silyl terminated sulfopoly(ester-urethane pavement marking compositions
US5857801A (en) * 1997-04-03 1999-01-12 The D.S. Brown Company Roadway reflector
US5929160A (en) * 1997-09-25 1999-07-27 Minnesota Mining And Manufacturing Company Method for reducing water uptake in silyl terminated sulfopoly(ester-urethanes)
EP3347319B1 (en) * 2015-09-11 2020-10-28 3M Innovative Properties Company Durable retroreflective elements with a blend of beads
JP6899379B2 (ja) 2015-09-11 2021-07-07 スリーエム イノベイティブ プロパティズ カンパニー イオン性コポリマーコアを含む耐久性のある再帰反射素子

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2713286A (en) * 1949-10-22 1955-07-19 Minnesota Mining & Mfg Reflex light reflectors and glass bead elements thereof
US3284722A (en) * 1963-03-22 1966-11-08 Rca Corp Light coupling device
BE765884A (fr) * 1970-04-22 1971-09-16 Eigenmann Ludwig Materiau catadioptrique perfectionne, a double focalisation de la lumiere, en particulier pour signalisation routiere
US3637285A (en) * 1970-06-23 1972-01-25 Stewart Filmscreen Corp Reflex light reflector
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
DE2522710C2 (de) 1986-11-13
GB1501910A (en) 1978-02-22
DE2522710A1 (de) 1976-01-29
CA1032913A (en) 1978-06-13
US4012114A (en) 1977-03-15

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