DE2361264A1 - Fluorescent plastic marker-pieces for roads pavements and crossings - consist of plates with one vertical side and three slanting sides of angle greater than total reflection angle - Google Patents

Fluorescent plastic marker-pieces for roads pavements and crossings - consist of plates with one vertical side and three slanting sides of angle greater than total reflection angle

Info

Publication number
DE2361264A1
DE2361264A1 DE2361264A DE2361264A DE2361264A1 DE 2361264 A1 DE2361264 A1 DE 2361264A1 DE 2361264 A DE2361264 A DE 2361264A DE 2361264 A DE2361264 A DE 2361264A DE 2361264 A1 DE2361264 A1 DE 2361264A1
Authority
DE
Germany
Prior art keywords
marking
angle
pieces
plates
crossings
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.)
Pending
Application number
DE2361264A
Other languages
German (de)
Inventor
Willy Mlinkowski
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
Priority to DE2361264A priority Critical patent/DE2361264A1/en
Publication of DE2361264A1 publication Critical patent/DE2361264A1/en
Pending legal-status Critical Current

Links

Classifications

    • 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

Abstract

The plastic forming the marker-pieces may be of acrylic glass, and is of a geometrical shape to absorb the light from the sun, street lamps or head-lights and to reflect it back at an angle of emergence of more than forty-two degrees. Most of the light striking the top and sides is reflected forwards. The marker-pieces may be discs placed on kerb-edges or such like. Their underneath side may be painted white, in order to increase the light yield.

Description

Fluoreszierende Kunstof fiaarkierungstwile zur Fahrbahn und Fußwegmarkierung»Fluorescent plastic markings on the pavement and footpath marking »

Zur Erhöhung der Verkehrsicherheit werden Fahrbahnbegrenzungen, Fußgängerwege und überquerungswege markiert. Sa ist bekannt und vorgeschlagen worden,solche Markierungen aus Kunstoff herzustellen und sie farbig zu kennzeichnen,sei es durch Farbanstriche durch aufgebrachte Fluoreszenzfarben oder durch fluoreszierende Stoffe·enthaltende Kunstoffe„Der Nachteil aufgebrachter Anstriche besteht in dem starken Verschleiß durch den Verkehr bzwodurch Witterungseinflüssee Kunstoffe,die Fluoreszenzstoffe enthalten,besitzen den Nachteil,daß die Lichtausbeute nur shr gering ist»To increase traffic safety, lane boundaries, pedestrian paths and crossings are marked. Sa is known and has been proposed to make such labels from plastic and mark it in color, either by paint coatings by applied fluorescent dyes or fluorescent substances · containing Kunstoffe "The downside applied coatings is in the strong wear due to traffic or o by weather conditions e Plastics that contain fluorescent substances have the disadvantage that the light output is only very low »

Diese Nachteile werden erfindungsgemäß dadurch vermieden,daß man den Markierungsteilen aus fluoreszierendem Kunstoff eine bestimmte Form erteilt»Diese soll eine Ausnutzung der Total = reflexion ermöglichen.Licht,das als Tageslicht,Straßenbeleuchtung oder Autoscheinwerferlicht in den transparenten Kunstoff (zob.Acrylglas) eindringt und in ihm das Fluoreszenzlicht erzeugt,kann nur aus dein. Kunstoffteil wieder austreten,wenn der Austrittswinkel größer als 4-2° ist «Fluoreszenzlicht ,das unter gröserem Winkel auf die Innenoberfläche fällt,wird totalreflektiert,da bei einer Brechzahl des Kunstoffes von etwa 1.5 der Grenzwinkel y^S/'y -4 = 42° beträgt. Gibt man einem Markierungsteil z.B. die in Abb.1 dargestellte Form,so tritt das Licht bevorzugt an der Vorderfläche aus, die senkrecht zur Plattenoberfläche gerichtet ist,währendAccording to the invention, these disadvantages are avoided by giving the marking parts made of fluorescent plastic a certain shape. This is intended to make it possible to utilize the total reflection the fluorescent light generated for him can only come from your. Plastic part emerge again when the exit angle is greater than 4-2 °. Fluorescent light falling at a larger angle on the inner surface is totally reflected, since the critical angle y ^ S / 'y -4 = 42 with a refractive index of the plastic of around 1.5 ° is. For example, if a marking part is given the shape shown in Fig. 1, the light preferably emerges on the front surface, which is directed perpendicular to the plate surface, while

die Seiten mit der Oberfläche einen Winkel bildenthe sides form an angle with the surface

Der überwiegende Teil des Fluoreszenzlichtes,das auf die Seitenflächen und die obere Fläche fällt,wird reflektiert (zum Teil mehrfachjund kann bevor.zugt an der Vorderfläche austreten.Da deren Flächeninhalt klein ist gegenüber der Gesamtoberfläche des Markierungsteiles,leuchtet diese Fläche shr hell auf.Diese hell leuchtenden Flächen sind die eigent= Markierungsflächen.Bei einer Markierung von Bordsteinen, Treppenstufen usw.können Formteile gemäß Abb«1verwendet und wie Abb« 2 zeigt eingebaut werden.Aus der dunkel gezeichneten Vorderfläche tritt sehr intensives Fluoreszenzlicht aus. Ein Beispiel für eine Fahrbahnbegrenzung(z.B.auf Kraftfahrzueg= straßen) zeigt Abb.3 Die Markieru^gsteile sind scheibenförmig ausgebildet und bilden den Aufsatz eines Begrenzungsfalles. Weitere Anwendungsbeispiele sind Markierungen von Fußgänger* Überwegen usw, &09825/0066Most of the fluorescent light that hits the Side surfaces and the upper surface falls, is reflected (sometimes several times and can be preferred on the front surface Since their area is small compared to the total surface of the marking part, this area glows These brightly shining surfaces are the real thing When marking curbs, Stair treads etc. can be used and molded as shown in Fig. 1 As shown in Fig. 2, very intense fluorescent light emerges from the darkly drawn front surface. An example of a lane delimitation (e.g. on motor vehicles = streets) is shown in Fig. 3 The marking parts are disc-shaped formed and form the essay of a limiting case. Further application examples are markings on pedestrians * Overpass etc, & 09825/0066

Claims (3)

Patentansß ruch.Patent claim. 1) yMarkiem risst eile aus fluoreszierendem Kunstoff zur1) yMarkiem rips pieces out of fluorescent plastic Fahrbahn-und Fußgängermarkierung dadurch gekennzeichnet, daß den Markierungsteilen eine solche geometrische Form gegeben wird,daß der überwiegende Teil des erzeugten Fruoreszenzlichtes durch Ausnutzung der Totalreffision bevorzugt aus einer bestimmten Fläche austritt,deren Inhalt klein ist gegenüber der Gesamtoberfläche des Markierüngs= teiles.Roadway and pedestrian marking, characterized in that the marking parts have such a geometric shape is given that the majority of the generated Fruorescent light by using the total impact preferably emerges from a certain area, the content of which is small compared to the total surface of the marking part. 2) Markierungsteile nach Anspruch 1 dadurch gekennzeichnet, daß sie in Form von Platten ausgeführt werden mit einer zur Oberfläche senkrechten Seitenfläche während die drei anderen Seitenflächen schräg zur Oberfläche verlaufen mit einem Winkel,der größer ist als der Totalrefexions"'inkel.2) marking parts according to claim 1, characterized in that they are designed in the form of plates with a side face perpendicular to the surface while the three other side faces run obliquely to the surface with an angle greater than the total internal reflection "'angle. 3) Markierungsteile nach Anspruch 1 dadurch gekennzeichnet, daß die als Scheiben mit senkrecht zur Oberfläche verlaufenden Schnittkanten auf die Begrenzungsrnarkierung aufgesetzt werden.3) marking parts according to claim 1, characterized in that as discs with perpendicular to the surface running cutting edges on the boundary marking be put on. 4-) Markierungsteile nach Anspruch 1,2 und 35 dadurch gekennfeeich nett daß deren Unterseite zur Erhöhung der Lichtausbeute mit einem wefißen (reflektierendem) Anstrich versehen wird«4) Marking parts according to claim 1,2 and 3 5, characterized gekennfeeich net t that its base is provided for increasing the light yield with a wefißen (reflective) coating " BAD 50 9 825/0066 BATH 50 9 825/0066
DE2361264A 1973-12-08 1973-12-08 Fluorescent plastic marker-pieces for roads pavements and crossings - consist of plates with one vertical side and three slanting sides of angle greater than total reflection angle Pending DE2361264A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE2361264A DE2361264A1 (en) 1973-12-08 1973-12-08 Fluorescent plastic marker-pieces for roads pavements and crossings - consist of plates with one vertical side and three slanting sides of angle greater than total reflection angle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2361264A DE2361264A1 (en) 1973-12-08 1973-12-08 Fluorescent plastic marker-pieces for roads pavements and crossings - consist of plates with one vertical side and three slanting sides of angle greater than total reflection angle

Publications (1)

Publication Number Publication Date
DE2361264A1 true DE2361264A1 (en) 1975-06-19

Family

ID=5900277

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2361264A Pending DE2361264A1 (en) 1973-12-08 1973-12-08 Fluorescent plastic marker-pieces for roads pavements and crossings - consist of plates with one vertical side and three slanting sides of angle greater than total reflection angle

Country Status (1)

Country Link
DE (1) DE2361264A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6511256B1 (en) 1999-05-27 2003-01-28 Avery Dennison Corporation Pavement marker with improved daytime visibility and fluorescent durability
US6558069B1 (en) 1999-05-27 2003-05-06 Avery Dennison Corporation Pavement marker with improved daytime visibility

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6511256B1 (en) 1999-05-27 2003-01-28 Avery Dennison Corporation Pavement marker with improved daytime visibility and fluorescent durability
US6558069B1 (en) 1999-05-27 2003-05-06 Avery Dennison Corporation Pavement marker with improved daytime visibility
AU763589B2 (en) * 1999-05-27 2003-07-24 Stimsonite Corporation Pavement marker with improved daytime visibility

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Legal Events

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OD Request for examination
OHJ Non-payment of the annual fee