EP1458934B1 - Procede pour appliquer des elements sur des surfaces d'objets de construction utilises dans le domaine de la circulation routiere - Google Patents

Procede pour appliquer des elements sur des surfaces d'objets de construction utilises dans le domaine de la circulation routiere Download PDF

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Publication number
EP1458934B1
EP1458934B1 EP02782630A EP02782630A EP1458934B1 EP 1458934 B1 EP1458934 B1 EP 1458934B1 EP 02782630 A EP02782630 A EP 02782630A EP 02782630 A EP02782630 A EP 02782630A EP 1458934 B1 EP1458934 B1 EP 1458934B1
Authority
EP
European Patent Office
Prior art keywords
elements
sonotrode
asphalt
concrete
mechanical
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
EP02782630A
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German (de)
English (en)
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EP1458934A1 (fr
Inventor
Gerhard Plasonig
Christoph Niederhauser
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.)
Woodwelding AG
Original Assignee
Woodwelding AG
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 Woodwelding AG filed Critical Woodwelding AG
Publication of EP1458934A1 publication Critical patent/EP1458934A1/fr
Application granted granted Critical
Publication of EP1458934B1 publication Critical patent/EP1458934B1/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
    • E01C23/18—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings for applying prefabricated markings
    • 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
    • E01C11/00—Details of pavings
    • E01C11/16—Reinforcements
    • E01C11/18—Reinforcements for cement concrete pavings

Definitions

  • the invention relates to a method according to the preamble of the first claim.
  • the method is used for attaching or attaching marking or signaling elements on streets or squares, in garages or car parks or on house or tunnel walls, that is on documents that consist of asphalt or concrete.
  • the invention also relates to a device for carrying out the method and the attachable with the method elements according to each of the preambles of the corresponding claims.
  • thermoplastic strips and the underlying asphalt surface are melted with a gas flame so that the molten materials join together after cooling.
  • a very large covering volume must be heated and that on the other hand, the process is very time consuming due to the long warm-up and cooling phases.
  • the energy requirement high and the melting process is difficult to control and therefore not very suitable for automation.
  • the handling of open flames and gas containers is also associated with security risks and therefore also requires additional manipulation effort.
  • solvent-based paints are sprayed onto the desired surface.
  • the substrate must first be cleaned as thoroughly as possible, and then the marking geometries must be covered or appropriate templates applied.
  • sprayed-on markings are only superficially applied and usually have only a short service life due to wear and abrasion.
  • paint particles and other z.T. harmful substances released to the environment Prefabricated signaling strips are also glued to the substrate with adhesives, with all the disadvantages as described above.
  • Ultrasound is not suitable for melting concrete or asphalt on the surface: Ultrasonic waves coupled into an asphalt or concrete surface would be introduced into deep layers due to the high modulus of elasticity and would not be absorbed at the surface, thereby causing material liquefaction. Accordingly, an ultrasonic welding process is not suitable for the welding of marking bands on a road surface.
  • thermoplastic coupling agent is deposited at the one or more parts of the two parts and liquefied using ultrasound, whereupon it penetrates into the porous surfaces of the parts to be joined and these parts together after solidification.
  • the object of the invention is to provide a method for permanent or temporary attachment of marking or signaling elements on surfaces of road construction objects, ie on documents that consist in particular of asphalt or concrete.
  • the marking or signaling elements consist at least partially of a material which can be liquefied by mechanical excitation (eg thermoplastic), ie the entire element consists of a material with at least one liquefiable (eg thermoplastic) material. Component or at least one against the pad to be straightened portion of the element consists of such a material.
  • the element is positioned on the surface on which it is to be mounted, and then at least locally pressed against the support and mechanically excited, such that the liquefiable material is at least locally and temporarily liquefied and forms a connection between the base and element after the re-solidification. Due to the mechanical excitation, the surface on which the element is pressed, partially melted.
  • the mechanical excitation is usually based on excitation by sonotrode (piezoelectric excitation for higher frequencies, magnetostrictive excitation for lower frequencies).
  • the excitation is preferably based on mechanical vibrations with a frequency that is in the range of ultrasound, whichever is the case at lower frequencies.
  • the frequencies are chosen according to the field of application. By varying the frequency, it can be determined how much the liquefiable material and optionally surrounding areas (underlay) are liquefied or heated.
  • the degree of liquefaction and heating is influenced by the amplitude, the frequency and the duration of the excitation.
  • Another important aspect is the nature of the coupling of the mechanical vibrations in the element to be attached or in the region to be liquefied thereof.
  • the element can be made, for example, for this coupling to a part of the vibrating body. Due to the partial liquefaction and re-solidification advantageously with simultaneous pressing action, a connection between the element and the substrate is produced.
  • the energy used for melting the liquefiable material is introduced in a controlled manner in terms of time and space.
  • the adjacent areas are not unnecessarily heated.
  • the connection can be made with much less energy. Nevertheless, the resulting compound is very durable and resilient due to the manner in which it is made. The other is the connection be made in much less time, since much less time is required for the introduction of the required energy.
  • no other additives such as adhesives, solvents or other bonding agents with loadings are used, the process is also environmentally friendly.
  • the strength of the connection is influenced by the strength of the mechanical energy (momentum, frequency) and / or the duration of the excitation. Depending on the field of application, it is possible to make connections that are very durable or those that can be easily loosened again. Prolonged excitation time or stronger excitation due to a higher frequency or amplitude will result in a stronger connection resulting, for example, in liquefying more material.
  • the inventive method is suitable for a variety of uses in the field of road traffic such as in road construction, signaling, and so on. It is suitable, inter alia, for attaching signaling strips or signaling images, which are used, for example, in the form of correspondingly punched films and are applied, for example, to road surfaces or to tunnel walls, for example center or edge strips, arrows or fonts.
  • the method according to the invention is also suitable for attaching signaling elements which are intended to protrude functionally over a surface to which they are attached.
  • protruding signaling elements are understood to mean elements which are mounted in the region of a center line or a borderline of a road and which indicate to a driver, when traveling over vibrations, that a crossing of the same takes place.
  • These elements can be designed to be reflective, if necessary, so that it improves especially in low light are recognizable.
  • these elements can be designed in such a way that they have directionally distinguishing properties. By this is meant, for example, an embodiment which reflects white in the direction of travel and red in the opposite direction. This will alert a wrong person to his mistake. Other embodiments are possible.
  • the method according to the invention is particularly suitable for fastening elements which are fabric-like or based on a film material. These are, for example, middle or side lines on roads, pedestrian strips, stop lines, direction indicators (arrows), etc.
  • the elements can be virtually endless (continuous lines) or limited.
  • the film material of such elements advantageously has a sheet-like or net-like carrier film which, for example, is provided with a coating which can be liquefied by mechanical excitation. This mechanically liquefiable coating is designed to be directed against the substrate to page or has protruding elements that serve as energy directors and lead to a concentration of mechanically exciting energy, such that locally takes place an increased melting.
  • the to be directed against the base side of the elements to be attached may also be only partially coated with a liquefiable material or it may be provided instead of the coating and three-dimensional areas of the liquefiable material, such as pins, rings or other, for example, regularly with the Base to be joined surface of the element distributed forms.
  • the position of such three-dimensional connection forms are advantageously marked on the opposite side, from which the mechanical vibrations are coupled, so that the mechanical energy can be selectively introduced in the right places.
  • the compounds which can be prepared by the process according to the invention can be permanent or only temporary. By temporarily, for example, compounds are understood to be present only for a foreseeable period of time. Especially in the field of construction sites, where it is necessary to redirect traffic for a certain time, appropriate connections are useful, which can be easily made and resolved. In the field of construction sites, it is particularly useful to apply temporary markings, which have a film, for example in the form of an endless belt, as a basic structure and which have a coating, which by means of mechanical excitation with the road surface are connectable. Thus, by means of a suitable device, endless or limited signaling elements can be very easily mounted in a continuous process.
  • the same device can be used in the reverse manner, namely for re-liquefying, filling and removal.
  • the compounds can also be designed so that the bands can be detached again without special aids.
  • a pretreatment for drying the substrate can be done by preheating, which, for example. A hot roller is better suited than open gas flames. In certain cases, the pre-treatment (drying, priming) is not required.
  • the method can be used for different element thicknesses and element geometries. In contrast to today's reflow methods, the material thickness can be minimized. Preheating reduces the time required for mechanical excitation and improves adhesion.
  • Compounds prepared by the invention disclosed herein are characterized by good adhesion to a wide variety of porous substrates. They show good resistance to specific influences such as weathering, abrasion, etc.
  • the method usually has no influence on the geometry of the element to be fastened, customer-specific geometries, surface structures and colors can be realized.
  • the surface structure can be embossed directly by the application tool or by a subsequent tool. This surface structure can take on additional functions. This may be, for example, that the driver perceives a noise when passing over, which results from the contact between the rotating tire and the surface structure of the signaling element, so that the driver is indicated that he traverses the mark.
  • FIG. 1 shows very simplified the essential elements of a first embodiment of a fastening device 1 for attaching an element 2, for example a marking element (broken marker strip) on a road surface, for example, asphalt or concrete.
  • the applied element 2 is strip-shaped and is separated from a belt, wherein the tape is rolled up on a supply reel 3.
  • the element 2 consists, for example, of a carrier material coated at least on one side, for example of a foil of plastic or metal, which is coated with a material which can be melted by mechanical stimulation.
  • This fusible material is, for example, thermoplastic material (for example polypropylene).
  • the element 2 may also consist entirely of the fusible material.
  • the tape for the element 2 is unwound from the supply roll 3 and pressed by a first roller 4 onto the surface (e.g., road surface) on which the element 2 is to adhere.
  • the working direction is shown schematically here by an arrow X.
  • the converter 7, which serves to convert electrical into mechanical vibrations, is driven by a generator 9.
  • the converter usually includes piezoelectric elements, which converts electrical oscillations, which are typically above 20 kHz, into corresponding mechanical oscillations.
  • the working range of the converter is chosen according to the application. Normally the frequencies are in the range between 2 kHz and 400 kHz.
  • the amplifier 8 functions as a mechanical amplifier, transforming vibrations due to its design, concentrating and transferring them to the sonotrode 6.
  • the sonotrode 6 forms, together with the amplifier 8 and the converter 7, a vibration unit 10.
  • the elements of the vibration unit 10 are usually optimized for an application area, respectively a frequency, and preferably resonate.
  • the oscillating unit 10 the element 2 and optionally the substrate on which the element 2 is to be mounted, is excited to vibrate. Due to the resulting internal and external friction is achieved that the element 2 at least partially and possibly also the substrate are melted. Due to the high shear, a high degree of plasticization is achieved.
  • the fastening device 1 shown has three oscillating units 10. These can be controlled individually. It goes without saying that a device can have a different number of oscillating units.
  • a second roller 5 is arranged, which presses the element 2 during cooling to the ground.
  • the first and second rollers 4, 5 are preferably used for adjusting the distance between the sonotrodes 6 and the element 2.
  • the fastening device 1 is used for fastening the element 2 in a continuous or discontinuous process.
  • a cutting device 11 is arranged. This is used to sever the element 2 when the marker strip to be attached is not continuous as shown. In the illustration shown, this case is shown schematically in that a first element 2 of a marking strip is shown behind the fastening device. Before the first roller 4, a detachment device 12 can be seen, which serves for the possible detachment of an element 2 from a substrate, after it has been liquefied in regions by the oscillating units.
  • the manner of the vibrations and their coupling is determined in the element 2 to be fastened.
  • Preferred are elongated or cylindrical shapes that extend over the entire width of the element and extend towards the bottom, i. taper towards the element 2 to be processed.
  • FIG. 2 shows a further embodiment of a fastening device 1 for attaching an element 2 on a substrate.
  • the fastening device 1 has here two underlying rollers 13 and two overhead rollers 14, which serve for deflecting a link chain 15.
  • the link chain 15 has on its outer surface an embossed structure 16, which serves for impressing a surface structure 17 in the element 2.
  • a sonotrode 6 is arranged here between the two underlying rollers 13 and serves for the indirect excitation of the element 2 via the link chain 15.
  • the element 2 is arranged during processing between the link chain 15 and the ground.
  • the material for the element 2 is stored on a supply roll 3 and is subtracted therefrom during processing.
  • For separating an element 2 from the material of the supply roll serves a cutting device 11. This can be arranged in front of or behind the link chain 15.
  • the fastening device 1 For driving the fastening device 1 preferably electric or hydraulic motors are used (not shown in detail).
  • the fastening device 1 is preferably self-propelled or can be used as part of another machine.
  • For processing differently shaped elements 2, it has a corresponding configuration.
  • FIG. 3 shows a further embodiment of a fastening device 1 for attaching elements 2 on a surface.
  • the fastening device 1 has an oscillating device 10 with a rotating sonotrode 6.
  • the sonotrode 6 is designed here as a sonotrode roller, which is excited by a converter 7 to preferably radial oscillations. The vibrations are transmitted to the element 2 and cause it to be plastified in regions.
  • In the working direction (x-direction) in front of and behind the sonotrode roller 6 are each a roller 4, 5 are arranged. These serve for pressing and pressing the element 2 on and in the surface of the substrate.
  • the rollers 4, 5 serve as needed for leadership and as support rollers.
  • a cutting and a detachment device 11, 12 can be seen, which are formed as blades and which serve for separating and, if activated, for detachment of the element 2.
  • FIG. 4 shows a schematic section along the axis of the sonotrode roller 6 according to FIG. 3 ,
  • the sonotrode roller 6 consists of a series of disks 18, which are connected to one another centrally via thin points 19.
  • the vibrations of the converter 7 are preferably introduced perpendicular to the axis A of the sonotrode roller.
  • An environmentally friendly and safe working method for attaching elements on surfaces of building objects in the field of road traffic which is to press the element to be mounted on the surface to which it is to be attached and by liquefying local mechanical excitation during an excitation time, so that the element is locally melted on the side facing the surface and possibly also the surface on which the element is pressed, such that after cooling the element is fixed to the substrate.
  • a mobile device for attaching a marking strip on, for example, a road surface consists of an over rollers or rollers 4, 5 mobile device with at least one vibration unit 10 consisting of sonotrode 6, converter 7 and amplifier 8 and a generator 9.
  • the mounted on the road surface marker strips In addition to their coloring, they can have a profiling which generates acoustic or various optical signals, such as, for example, white reflection in one, red reflection in the other direction.
  • FIGS. 5 to 8 show further elements 2, which are attachable to the surface of building objects of road traffic according to the inventive method. These are discrete elements that can not be handled by a supply spool. However, they can be added, for example, in a manner known per se at predetermined time intervals under the oscillating tool to a fastening device moving at a constant speed, for example along a road so that they are placed at constant distances from each other on the road surface.
  • the elements may also be individually attached to a handheld or similar device known from ultrasonic welding.
  • FIG. 5 shows a flat element 2, which is shown rectangular, but may have any shape.
  • the element On the side to be directed against the surface on which the element is to be mounted, the element has nubs 20 along the edge. At least these nubs consist of the liquefiable material, possibly the entire edge area or the nub side of the edge area. For attaching the element according to FIG. 5 this is positioned and, for example, pressed with an excited sonotrode at least in the edge region (indicated by arrows) against the surface and excited simultaneously.
  • the element 2 according to FIG. 6 is disc-shaped and has, for example, in the middle of its facing outward side a reflector. On its side to be straightened against the surface on which the element is to be mounted, the element 2 has a fastening ring 21. In the area of this ring 21, the element is excited from the outside, as illustrated by the arrows, and pressed against the surface, for example with a corresponding tubular sonotrode.
  • the fastening ring 21 can also be formed by a row of pins or nubs arranged along the edge of the element 1. At least the fixing ring 21, or the same purpose serving pins or nubs, optionally the whole element 2 consist of a material liquefiable by mechanical excitation.
  • FIG. 7 shows a similar disc-shaped element as FIG. 6 , On the surface on which the element 2 is to be mounted, side facing an electronic module 25 is arranged with antenna 26, as they are for traffic control systems be used. By fastening the element by means of fastening ring 21, a hermetically sealed space is created for the electronic module.
  • the element 2 according to FIG. 7 also have a shape other than disk-shaped.
  • FIG. 8 shows another element with integrated electronic module 25 with antenna 26. These are positioned between two element parts 2.1 and 2.2, these two element parts, for example, together with the attachment of the whole element are connected together.
  • the directed against the attachment side of the element element part 2.2 consists at least partially of the liquefiable material.
  • the two element parts 2.1 and 2.2 can also be previously connected to each other, for example, with adhesive and only then attached to the designated surface. It is also possible to integrate the electronic module already in the production of the element 2 by casting in the element.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Signs Or Road Markings (AREA)
  • Road Repair (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)

Claims (9)

  1. Procédé pour appliquer des éléments de signalisation ou de marquage (2) sur du béton ou sur de l'asphalte, dans lequel l'élément est constitué au moins en partie d'un matériau qui peut être rendu liquide par pressage sur la surface de béton ou sur la surface d'asphalte et dans lequel l'élément est positionné sur la surface de béton ou sur la surface d'asphalte et est pressé contre la surface, caractérisé en ce que l'élément est excité au moins localement à l'aide d'une unité d'oscillations avec une sonotrode (6), un convertisseur (7) et un générateur (9) avec des oscillations mécaniques de telle sorte que le matériau rendu liquide est liquéfié au moins en partie dans une zone tournée vers la surface de béton ou vers la surface d'asphalte et en ce que l'élément est fixé sur la surface de béton ou sur la surface d'asphalte après la nouvelle solidification.
  2. Procédé selon la revendication 1, caractérisé en ce que les oscillations mécaniques sont générées par action piézoélectrique ou par magnéto striction.
  3. Procédé selon l'une ou l'autre des revendications 1 et 2, caractérisé en ce que les oscillations mécaniques ont une fréquence qui se trouve dans la plage des ultrasons.
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que l'élément (2) est une partie d'un marquage linéaire continu ou non interrompu et en ce qu'il est déroulé comme bande depuis une rouleau de réserve et en ce qu'il est positionné en continu ou avec des interruptions sur la surface et qu'il est ensuite pressé et excité.
  5. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que l'élément (2) est en forme de disque et est excité et pressé à l'aide d'une sonotrode en forme de tube.
  6. Dispositif (1) pour appliquer des éléments de signalisation ou de marquage (2) sur du béton ou sur de l'asphalte, lequel présente un dispositif déplaçable sur des cylindres ou sur des rouleaux (4, 5) et lequel est caractérisé par au moins une unité d'oscillations (10) constituée d'une sonotrode (6), d'un convertisseur (7) et au choix d'un amplificateur (8) et d'un générateur (9).
  7. Dispositif selon la revendication 6, caractérisé en ce qu'un rouleau de réserve (3) avec un matériau en forme de bande pour l'élément (2) est attribué au dispositif déplaçable avec la au moins une unité d'oscillations (10).
  8. Dispositif selon la revendication 7, caractérisé en ce qu'un dispositif de coupe (11) afin de sectionner des éléments (2) depuis le matériau en forme de bande est attribué au dispositif déplaçable avec la au moins une unité d'oscillation (10).
  9. Dispositif selon l'une des revendications 6 à 8, caractérisé en ce qu'un dispositif de raclage (12) est attribué au dispositif déplaçable dans le but de détacher à nouveau l'élément (2) depuis la surface.
EP02782630A 2001-12-24 2002-12-23 Procede pour appliquer des elements sur des surfaces d'objets de construction utilises dans le domaine de la circulation routiere Expired - Lifetime EP1458934B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH23402001 2001-12-24
CH234001 2001-12-24
PCT/CH2002/000721 WO2003056104A1 (fr) 2001-12-24 2002-12-23 Procede pour appliquer des elements sur des surfaces d'objets de construction utilises dans le domaine de la circulation routiere

Publications (2)

Publication Number Publication Date
EP1458934A1 EP1458934A1 (fr) 2004-09-22
EP1458934B1 true EP1458934B1 (fr) 2012-02-01

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EP02782630A Expired - Lifetime EP1458934B1 (fr) 2001-12-24 2002-12-23 Procede pour appliquer des elements sur des surfaces d'objets de construction utilises dans le domaine de la circulation routiere

Country Status (6)

Country Link
US (2) US20050053426A1 (fr)
EP (1) EP1458934B1 (fr)
AT (1) ATE543953T1 (fr)
AU (1) AU2002347128A1 (fr)
ES (1) ES2381537T3 (fr)
WO (1) WO2003056104A1 (fr)

Families Citing this family (4)

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Publication number Priority date Publication date Assignee Title
US20050207840A1 (en) * 2004-01-16 2005-09-22 Gerry Mr. Oliver Method for imprinting and filling a pattern in an asphalt surface.
DE102005006519A1 (de) * 2005-01-14 2006-08-10 Sonotronic Nagel Gmbh Vorrichtung und Verfahren zum Aufbringen eines flüssigen Mediums auf eine Materialbahn
USD719596S1 (en) 2012-12-20 2014-12-16 Sfs Intec Holding Ag Induction apparatus
CN114775384A (zh) * 2022-05-23 2022-07-22 中国建筑土木建设有限公司 公路工程用建设高效覆膜设备

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Publication number Priority date Publication date Assignee Title
US4102718A (en) * 1976-01-12 1978-07-25 Ludwig Eigenmann Method and devices for applying tape marking material on road surfaces
IT1077571B (it) * 1977-01-12 1985-05-04 Eigenmann Ludwig Perfezionamento ai metodi per la formazione e la posa in opera meccanica di mezzi e materiali per seganletica stradale orizzontale,e relative macchine perfezionate
GB1582298A (en) * 1977-08-23 1981-01-07 Berger Traffic Markings Bonded road studs
GB2039519B (en) * 1978-12-28 1983-10-12 Nihon Sanka Kogyo Kk Fusing agent
US4428320A (en) * 1981-06-08 1984-01-31 Lukens General Industries, Inc. Reflective paving marker
DE3571053D1 (en) * 1984-03-26 1989-07-20 Eigenmann Ludwig Preformed polyurethane roadway-marking strip which is highly conformant to road surface roughness
US5246306A (en) * 1987-11-04 1993-09-21 Bay Mills Limited Reinforcements for asphaltic paving, processes for making such reinforcements, and reinforced pavings
US4913772A (en) * 1988-04-01 1990-04-03 G.R. Systems, Inc. Portable thermoplastic welding machine
CH685942A5 (fr) * 1992-08-24 1995-11-15 Battelle Memorial Institute Procede de collage de deux substrats non metalliques a l'aide d'un adhesif.
DE4328108A1 (de) * 1993-08-20 1995-02-23 Dieter Klemm Kleber für Bodenbeläge und Verfahren zum Lösen von Bodenbelag
US5667334A (en) * 1995-06-13 1997-09-16 Stimsonite Corporation Base for roadway marker
JPH0967808A (ja) * 1995-08-31 1997-03-11 Minnesota Mining & Mfg Co <3M> 自走式舗装マーキングテープ貼付装置
US5853263A (en) * 1996-08-15 1998-12-29 Accrued, Inc. System for installing raised road markers
US6334734B1 (en) * 1999-08-30 2002-01-01 Adil Attar One piece reflective pavement marker and method of making
DE10046451A1 (de) * 2000-09-18 2002-03-28 Spaichingen Gmbh Maschf Verfahren und Vorrichtung zum Ultraschallschweißen von Werkstücken
US6576074B1 (en) * 2001-01-09 2003-06-10 Avery Dennison Corporation Pavement marking system

Also Published As

Publication number Publication date
US20060193689A1 (en) 2006-08-31
AU2002347128A1 (en) 2003-07-15
US7455475B2 (en) 2008-11-25
US20050053426A1 (en) 2005-03-10
ES2381537T3 (es) 2012-05-29
ATE543953T1 (de) 2012-02-15
WO2003056104A1 (fr) 2003-07-10
EP1458934A1 (fr) 2004-09-22

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