GB1415792A - Method for producing composite reflecting systems and reflecting systems obtained thereby - Google Patents

Method for producing composite reflecting systems and reflecting systems obtained thereby

Info

Publication number
GB1415792A
GB1415792A GB197873A GB197873A GB1415792A GB 1415792 A GB1415792 A GB 1415792A GB 197873 A GB197873 A GB 197873A GB 197873 A GB197873 A GB 197873A GB 1415792 A GB1415792 A GB 1415792A
Authority
GB
United Kingdom
Prior art keywords
beads
coated
heated
layer
spheres
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
GB197873A
Other languages
English (en)
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
Priority claimed from IT1942372A external-priority patent/IT946620B/it
Priority claimed from IT2649972A external-priority patent/IT1003066B/it
Application filed by Individual filed Critical Individual
Publication of GB1415792A publication Critical patent/GB1415792A/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
    • 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)
GB197873A 1972-01-15 1973-01-15 Method for producing composite reflecting systems and reflecting systems obtained thereby Expired GB1415792A (en)

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
GB1415792A true GB1415792A (en) 1975-11-26

Family

ID=26327160

Family Applications (1)

Application Number Title Priority Date Filing Date
GB197873A Expired GB1415792A (en) 1972-01-15 1973-01-15 Method for producing composite reflecting systems and reflecting systems obtained thereby

Country Status (4)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2632107A1 (de) * 1975-07-16 1977-02-03 Ludwig Eigenmann Verfahren zur herstellung rueckstrahlender transparenter koernchen fuer rueckstrahlende aggregate und nach diesem verfahren hergestellte rueckstrahlende koernchen sowie aggregate
WO2003087895A1 (en) * 2002-04-11 2003-10-23 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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0354816U (enrdf_load_html_response) * 1989-09-28 1991-05-27
EP3347319B1 (en) 2015-09-11 2020-10-28 3M Innovative Properties Company Durable retroreflective elements with a blend of beads
WO2017044425A1 (en) 2015-09-11 2017-03-16 3M Innovative Properties Company Durable retroreflective elements with an ionic copolymer core

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2632107A1 (de) * 1975-07-16 1977-02-03 Ludwig Eigenmann Verfahren zur herstellung rueckstrahlender transparenter koernchen fuer rueckstrahlende aggregate und nach diesem verfahren hergestellte rueckstrahlende koernchen sowie aggregate
WO2003087895A1 (en) * 2002-04-11 2003-10-23 3M Innovative Properties Company Method of making retrochromic beads and kit thereof
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

Also Published As

Publication number Publication date
AT331679B (de) 1976-08-25
NL7300593A (enrdf_load_html_response) 1973-07-17
ATA28673A (de) 1975-11-15
JPS4880291A (enrdf_load_html_response) 1973-10-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee