JPS4880291A - - Google Patents

Info

Publication number
JPS4880291A
JPS4880291A JP48006697A JP669773A JPS4880291A JP S4880291 A JPS4880291 A JP S4880291A JP 48006697 A JP48006697 A JP 48006697A JP 669773 A JP669773 A JP 669773A JP S4880291 A JPS4880291 A JP S4880291A
Authority
JP
Japan
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.)
Pending
Application number
JP48006697A
Other languages
Japanese (ja)
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
Priority claimed from IT1942372A external-priority patent/IT946620B/it
Priority claimed from IT2649972A external-priority patent/IT1003066B/it
Application filed filed Critical
Publication of JPS4880291A publication Critical patent/JPS4880291A/ja
Pending 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F1/00—Designs or pictures characterised by special or unusual light effects
    • B44F1/02—Designs or pictures characterised by special or unusual light effects produced by reflected light, e.g. matt surfaces, lustrous surfaces
    • B44F1/04—Designs or pictures characterised by special or unusual light effects produced by reflected light, e.g. matt surfaces, lustrous surfaces after passage through surface layers, e.g. pictures with mirrors on the back
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Road Signs Or Road Markings (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
JP48006697A 1972-01-15 1973-01-16 Pending JPS4880291A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT1942372A IT946620B (it) 1972-01-15 1972-01-15 Procedimento per la produzione industriale di elementi catarifran genti a doppia focalizzazione per segnaletica stradale ed equivalen ti impieghi e prodotto ottenuto con il detto procedimento
IT2649972A IT1003066B (it) 1972-07-01 1972-07-01 Perfezionamento ai processi per la produzione industriale di elementi catarifrangenti a focalizzazione dio catottrica multipla e relativi prodotti in particolare per segna letica stradale

Publications (1)

Publication Number Publication Date
JPS4880291A true JPS4880291A (zh) 1973-10-27

Family

ID=26327160

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48006697A Pending JPS4880291A (zh) 1972-01-15 1973-01-16

Country Status (4)

Country Link
JP (1) JPS4880291A (zh)
AT (1) AT331679B (zh)
GB (1) GB1415792A (zh)
NL (1) NL7300593A (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0354816U (zh) * 1989-09-28 1991-05-27

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2632107C2 (de) * 1975-07-16 1986-01-09 Ludwig Dr. Vacallo Tessin Eigenmann Rückstrahlaggregat für Markierungsmaterial zur horizontalen Straßenmarkierung
US6978896B2 (en) 2002-04-11 2005-12-27 3M Innovative Properties Company Method of making retrochromic beads and kit thereof
US7036944B2 (en) 2002-04-11 2006-05-02 3M Innovative Properties Company Retrochromic articles
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
EP3347319B1 (en) 2015-09-11 2020-10-28 3M Innovative Properties Company Durable retroreflective elements with a blend of beads

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0354816U (zh) * 1989-09-28 1991-05-27

Also Published As

Publication number Publication date
NL7300593A (zh) 1973-07-17
AT331679B (de) 1976-08-25
ATA28673A (de) 1975-11-15
GB1415792A (en) 1975-11-26

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