EP1136623B1 - Appareil de marquage routier - Google Patents

Appareil de marquage routier Download PDF

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Publication number
EP1136623B1
EP1136623B1 EP20010302098 EP01302098A EP1136623B1 EP 1136623 B1 EP1136623 B1 EP 1136623B1 EP 20010302098 EP20010302098 EP 20010302098 EP 01302098 A EP01302098 A EP 01302098A EP 1136623 B1 EP1136623 B1 EP 1136623B1
Authority
EP
European Patent Office
Prior art keywords
paint
road
carriage
bar
machine
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 - Lifetime
Application number
EP20010302098
Other languages
German (de)
English (en)
Other versions
EP1136623A1 (fr
Inventor
Angelo Sanfilippo
Gilbert Bernard
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.)
Rohm and Haas Co
Original Assignee
Rohm and Haas Co
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 Rohm and Haas Co filed Critical Rohm and Haas Co
Priority to EP20010302098 priority Critical patent/EP1136623B1/fr
Publication of EP1136623A1 publication Critical patent/EP1136623A1/fr
Application granted granted Critical
Publication of EP1136623B1 publication Critical patent/EP1136623B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/16—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings
    • E01C23/20—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings for forming markings in situ
    • E01C23/22—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings for forming markings in situ by spraying
    • E01C23/222—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings for forming markings in situ by spraying specially adapted for automatic spraying of interrupted, individual or variable markings

Definitions

  • This invention relates to a road-marking machine, and in particular, to one that can be attached to, and detached from, a transport vehicle.
  • a related machine is disclosed in FR-A-2 575 497 for applying a strip provided with ribs.
  • Such rumble strips have been produced by the application of a hot thermoplastic material to the road surface and, while it is still plastic, applying a mould to the top surface of the strip to form a short series of ribs extending upwardly from the top surface of the strip.
  • Another known technique is to apply a two-component material to form the ribs.
  • the application of thermoplastic material needs costly equipment, so that both known techniques are relatively expensive, and also provides no visual signals to drivers, as light is reflected both from the ribs and from the intervening strip.
  • the present invention aims at providing a machine by means of which a thick layer of a water-based paint is blasted at a specific location on a road surface to form an upstanding rib of material which offers a visual contrast with the adjacent road surface, and which is of sufficient height to form one of the ribs of a rumble strip.
  • the present invention provides a road-marking machine that is as defined in claim 1.
  • the machine In use, the machine would be attached to a road vehicle (not shown). As the means by which the machine is held in place on the vehicle, and supplied with paint and pneumatic or other form of power, do not form part of the subject-matter of this invention, they are not described herein in any further detail.
  • the machine 1 includes a road wheel 2 in frictional engagement with the road surface to which a rumble strip is to be applied. Extending substantially horizontally from the axle 4 of the wheel 2, and forwardly thereof, is a support bar 6. Mounted on the bar is a paint head carriage 8 having anti-friction rollers 10 engaging the upper and lower surfaces of the bar. The carriage is constrained to be movable in both directions along the bar. As it does so, the carriage comes into contact with two microswitches 12 positioned on either side of the centre point of its range of travel. The switches 12 are positioned at adjustable points on an auxiliary support bar 14, for reasons that will be discussed below.
  • an upright member 16 Extending upwardly from the bar 6, at its meeting with the axle 4, is an upright member 16 carrying a slave wheel 18 at its upper end. Extending radially from the axis of the wheel 18 is a drive bar 20 having a rod 22 pivotally coupled to it. Associated with the drive wheel 2 is an auxiliary wheel 24. Engaging both the wheel 24 and the wheel 18 is a flexible drive member 26 in the form of a chain or belt. By means which are not shown, the member 26 is kept in tension despite changes in its length because of temperature changes and wear. The effect of member 26 is to ensure that the bar 20 is rotated at a speed which is related to the speed of rotation of wheel 2. As the end of the bar 20 moves in a circle, it causes the carriage 8 to be moved along the bar in simple harmonic motion by force transmitted to the carriage by rod 22, acting alternatively as a strut and a tie.
  • the carriage 8 has mounted on it a spray head 28 for paint, and one 30 for ballotini used to increase the reflectivity of the applied paint.
  • Each spray head includes an electrically-operated valve (not shown) of which the timing of operation is controlled by the switches 12.
  • the switches 12 As the vehicle carrying the machine 1 moves along the road, the bar 6 also moves at a uniform speed. When the carriage is being pushed along the bar 6 away from the wheel 2, its speed relative to the underlying stretch of road surface is greater than the road speed.
  • the respective valves are arranged to be kept closed during this phase of the movement of the carriage. However, when the carriage is being pulled towards the wheel 2, its speed over the ground is less than the road speed, and may be zero for a short period.
  • valves are opened and closed by the switches 12, when the spray head 28 is moving only slowly relative to the road.
  • the forward switch opens the valve, to cause the paint to be ejected at the road, the spray head 28 is moving slowly forwards. Its speed decreases to zero, and then it starts to move backwards relatively to the road, spraying continually as it does so. This continues until the carriage meets the rearward switch, and closes the valve.
  • the head moves a small distance in the direction of travel, thus laying down a rib 32 of width controlled by the positions of the switches 12.
  • the width of the head is roughly equal to the desired length of each rib 32 to be formed, and the period over which paint is ejected from the head 28 determines the width of the rib.
  • the volume of paint discharged over this period determines the height of the rib.
  • the paint to be used is water-based.
  • the deposited paint may be dried conventionally (by flames or other heat-transfer medium (not shown)), according to one feature of this invention the paint is made to set extra rapidly by injecting into the paint, either immediately before, or immediately after, it issues from the head 28, particles of a solid polymer or inorganic compound, which particles are capable of absorbing water.
  • Preferred particles are of an ion-exchange resin such as is disclosed in EP-A-0 791 637, in the name of Rohm and Haas (UK) Ltd.
  • Preferred resins of this type are those sold under the trade names Amberlyst and Amberjet by Rohm and Haas.
  • the resin may be applied by means of the spray head 30, or another spray head (not shown) may be used.
  • small glass beads (ballotini) are to be used to increase the reflectivity of the ribs, they may be sprayed out of head 30 mixed with the powdered resin, or sprayed separately therefrom.
  • the period over which the resin particles are sprayed into the paint issuing from the spray head may be different from that over which the ballotini are sprayed.
  • the ribs are spaced apart from each other.
  • the ribs are formed of white or other light-coloured paint, so that each rib formed by this machine is visually differentiated from the adjacent road surfaces, giving drivers a visual waming, as well as auditory and tactile ones, when the vehicle is approaching or traversing the respective rumble strip.
  • this invention provides a simple machine by means of which paint may be sprayed at road surfaces to build up thick deposits of paint in the form of spaced-apart transverse ribs of controlled dimensions.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Repair (AREA)

Claims (6)

  1. Machine (1) destinée à appliquer une peinture sur des surfaces routières sous forme de nervures épaisses (32), comprenant une barre (6) destinée à être déplacée le long de la route à une vitesse uniforme et en ligne avec l'axe de la route, la barre portant un chariot (8) monté de façon à subir un mouvement de va-et-vient le long de la barre, le chariot portant au moins une tête de pulvérisation (28) pour projeter un jet de peinture sur la surface de chaussée sous-jacente, le chariot, au cours de son déplacement, étant destiné à actionner des interrupteurs dont la position est ajustable, interrupteurs qui commandent les parties de la trajectoire du chariot le long de la barre, sur lesquelles la peinture est appliquée sur la route.
  2. Machine selon la revendication 1, dans laquelle la barre est supportée en une extrémité par une roue (2) en prise par friction avec la route, la rotation de la roue étant convertie en un mouvement de va-et-vient du chariot (8) le long de la barre (6).
  3. Machine selon la revendication 2, dans laquelle, outre la tête (28) de pulvérisation de peinture, le chariot porte aussi une tête (30) pour projeter des ballotines et/ou des particules d'un matériau absorbant l'eau dans le jet de peinture sortant de la tête de pulvérisation (28).
  4. Machine selon la revendication 3, dans laquelle la peinture sort de la tête de pulvérisation (28) dans une direction essentiellement verticale, les particules pénétrant dans le jet de peinture en faisant un angle aigu avec la surface de la chaussée.
  5. Machine selon l'une quelconque des revendications précédentes, les interrupteurs étant deux micro-interrupteurs (12) montés sur un support auxiliaire (14) s'étendant parallèlement à la barre (6), les interrupteurs ayant leurs organes d'actionnement situés dans le trajet du chariot, et étant positionnés d'une manière ajustable le long du support auxiliaire.
  6. Machine selon la revendication 3 ou la revendication 3 et toute revendication dépendant de cette dernière, dans laquelle le matériau absorbant l'eau est une résine échangeuse d'ions.
EP20010302098 2000-03-21 2001-03-07 Appareil de marquage routier Expired - Lifetime EP1136623B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20010302098 EP1136623B1 (fr) 2000-03-21 2001-03-07 Appareil de marquage routier

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP00400775 2000-03-21
EP00400775 2000-03-21
EP20010302098 EP1136623B1 (fr) 2000-03-21 2001-03-07 Appareil de marquage routier

Publications (2)

Publication Number Publication Date
EP1136623A1 EP1136623A1 (fr) 2001-09-26
EP1136623B1 true EP1136623B1 (fr) 2005-07-20

Family

ID=26073440

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20010302098 Expired - Lifetime EP1136623B1 (fr) 2000-03-21 2001-03-07 Appareil de marquage routier

Country Status (1)

Country Link
EP (1) EP1136623B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100497832C (zh) * 2007-02-13 2009-06-10 朱建新 一种道路凹凸标线划线机
RU2535331C1 (ru) * 2013-10-14 2014-12-10 Александр Алексеевич Семенов Машина для автоматизированной дорожной разметки
CN114481794B (zh) * 2021-12-20 2023-04-18 中北工程设计咨询有限公司 一种公路设计用的划线装置
CN114382000B (zh) * 2022-01-27 2023-04-25 芜湖市高鑫交通设施有限公司 一种多线同步的道路划线机

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2941602A1 (de) * 1979-10-13 1981-04-23 Walter Hofmann, Maschinenfabrik, 2084 Rellingen Verfahren und vorrichtung zur herstellung von verkehrsleitlinien o.dgl.
FR2575497B1 (fr) * 1985-01-03 1987-02-13 Greggory Sa Procede de realisation d'une bande de signalisation et moyens pour la mise en oeuvre du procede
FR2745293A1 (fr) * 1996-02-26 1997-08-29 Rohm & Haas France Peinture de signalisation routiere, procede d'acceleration du sechage de ladite peinture et utilisation de particules d'un compose polymere ou mineral solide

Also Published As

Publication number Publication date
EP1136623A1 (fr) 2001-09-26

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