FR2168358A1 - Composite reflective elements - formed by setting small balls in a resinous surface - Google Patents

Composite reflective elements - formed by setting small balls in a resinous surface

Info

Publication number
FR2168358A1
FR2168358A1 FR7301279A FR7301279A FR2168358A1 FR 2168358 A1 FR2168358 A1 FR 2168358A1 FR 7301279 A FR7301279 A FR 7301279A FR 7301279 A FR7301279 A FR 7301279A FR 2168358 A1 FR2168358 A1 FR 2168358A1
Authority
FR
France
Prior art keywords
small balls
spherical
coated
transparent body
balls
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.)
Granted
Application number
FR7301279A
Other languages
English (en)
French (fr)
Other versions
FR2168358B1 (show.php
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.)
EIGEMMANN LUDWIG
Original Assignee
EIGEMMANN 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
Priority claimed from IT1942372A external-priority patent/IT946620B/it
Priority claimed from IT1945572A external-priority patent/IT1044823B/it
Priority claimed from IT2649972A external-priority patent/IT1003066B/it
Application filed by EIGEMMANN LUDWIG filed Critical EIGEMMANN LUDWIG
Publication of FR2168358A1 publication Critical patent/FR2168358A1/fr
Application granted granted Critical
Publication of FR2168358B1 publication Critical patent/FR2168358B1/fr
Granted 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)
  • Physics & Mathematics (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Optical Elements Other Than Lenses (AREA)
FR7301279A 1972-01-15 1973-01-15 Composite reflective elements - formed by setting small balls in a resinous surface Granted FR2168358A1 (en)

Applications Claiming Priority (3)

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
IT1945572A IT1044823B (it) 1972-01-17 1972-01-17 Elemento catadittrico a dippia focalizzazione in particolare per segnaletica stradale
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 (2)

Publication Number Publication Date
FR2168358A1 true FR2168358A1 (en) 1973-08-31
FR2168358B1 FR2168358B1 (show.php) 1976-11-05

Family

ID=27272963

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7301279A Granted FR2168358A1 (en) 1972-01-15 1973-01-15 Composite reflective elements - formed by setting small balls in a resinous surface

Country Status (7)

Country Link
BE (1) BE794047A (show.php)
CA (1) CA998301A (show.php)
CH (1) CH566876A5 (show.php)
DE (1) DE2302170A1 (show.php)
DK (1) DK137077B (show.php)
FR (1) FR2168358A1 (show.php)
SE (1) SE381863B (show.php)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2430642A1 (fr) * 1978-07-05 1980-02-01 Eigenmann Ludwig Dispositif retro-reflechissant pour le marquage des routes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2430642A1 (fr) * 1978-07-05 1980-02-01 Eigenmann Ludwig Dispositif retro-reflechissant pour le marquage des routes

Also Published As

Publication number Publication date
SE381863B (sv) 1975-12-22
DK137077B (da) 1978-01-16
CH566876A5 (show.php) 1975-09-30
FR2168358B1 (show.php) 1976-11-05
CA998301A (en) 1976-10-12
DK137077C (show.php) 1978-06-12
DE2302170A1 (de) 1973-09-06
BE794047A (fr) 1973-05-02

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Legal Events

Date Code Title Description
ST Notification of lapse