DE2236790A1 - METHOD AND DEVICE FOR LAYING IN PLACE AND PLACE OF TAPE-SHAPED MATERIALS FOR HORIZONTAL TRAFFIC SIGNALS - Google Patents

Description

? 23679Q

"Method and device for laying tape on the spot Materials for horizontal traffic signals "

Applicant and inventor: EIGENMANH Ludwig ■

in Vacallo, Canton Ticino, Switzerland

It becomes the priority of the following Italian patent applications:

1.) Prot. No. 26983 A / 71 of July 30, 1971 2.) Prot. No. 30250 A / 71 of October 23, 1971 claimed

The invention relates to a method for laying on the spot on road surfaces and the like. Bandformigen Materials that are intended to form strips and other means on the surface that! to regulate the Serve road traffic. In particular, this relates Invention to a method and a device that are suitable for laying in place and permanent and To enable permanent anchoring of known tape-shaped materials used for traffic signals under such conditions, that they have numerous and important advantages over the modalities and means proposed so far. Under These advantages can be achieved, for example, by reducing the occupancy time (or occupancy space ··) to the minimum Road surface during installation and lowering work and phases on the surface mentioned, so

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that consequently the traffic disruption can also be reduced to the minimum, the completion and stability the anchoring of the material on the said surface, in essential independence from the condition of such a surface and the weather conditions, especially the temperature and moisture for the most satisfactory result of the on-site installation of the traffic signage. This tape-shaped material, which is used for the traffic signal and is prepared in the form of a roll, is used for its attachment is already known, and there are modalities and apparatus for its laying in place are proposed. For example, one refers under the patent specifications industry to U.S. Patent No. 3,007,838 issued and published in the United States and No. 3 155 564 by the same applicant · It is also the previous manufacture of an undercoat, consisting for example made of asphalt, proposed on the road surface to remove the existing unevenness and to form a flat, consistent base surface for attachment of the tape-like material, such as in the United States patent No. 3,262,375 is still described in the name of the same applicant.

The devices proposed so far showed a great complexity, erhebllohea Gewioht and Auamaaae on · Zusaetalioh to the individually considered devices for the laying as well as for the previous attachment to the ground has aloh for inevitable well

"223679Q

to assign further service, support and supply vehicles to this device, since it is obvious that such Apparatuses use larger amounts of materials, fuels and thermal and mechanical energy "with their Forward travel is also taken into account. The known Devices also have no desirable mobility and Speed of movement when they are not in use, for example when moving from place to place, where the work is to be carried out.

According to this invention one has technical solutions detected and used wherever possible, an ordinary road vehicle such as a truck or trucks also of reduced dimensions and low weight, as a complementary part of the equipment and in constant, functional and preferably also mechanical assignment to use the means for the preparation of the ground and the laying of the strip-shaped material, said vehicle being the storage and Supply means itself of the material or the fuels and the energy, preferably also for the movement along the length Directrix of the traffic signal to be laid on the spot forms the energy required.

This, along with the assurance of precise steering named Direktrix serving means provided vehicle

supplemented with devices that have the sole task of preparing the ground or to attach and anchor the material on the prepared ground.According to such technical solution, these supplementary devices can be implemented individually with so reduced dimensions and weights that they are on board of the vehicle or possibly by the same can be brought along or dragged along when ea is not in operation, so that the said vehicle assumes the conditions of movement on the road of an ordinary truck again, which is very advantageous for the necessary shifts even over long distances. This allocation makes it possible to have a large transport space or a large transport capacity for a considerable amount of material and supply of fuels and energy, whereby the whole is given a great long-distance capability in the sense of an uninterrupted service before the materials and fuels mentioned be exhausted. According to an important additional feature of the invention, for which use is made of the abovementioned large availability of fuel and energy, devices are used for preparing the ground and fully anchoring the traffic signaling material on the prepared ground, means and materials suitable for producing an underlayer under such conditions that their J ^; components a fastest

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Conversion of their physico-chemical state in an instant Following the aforementioned production experience so that an intimate and permanent adherence of the in the shortest possible time Manufacture of the underlayer of self-applied traffic signal material is reached very quickly.

According to a preferred embodiment of the invention, such an underlayer is formed by working on the effect of a gaseous jet at high temperature previously subjected road surface a sub-layer is attached, consisting of compounds and a combination of compounds "in the liquid State and under such thermal conditions that the superimposed tape-shaped traffic signal material is warm is output in such a way that a sudden change of state in the at the interface of the traffic signal material and the sub-layer itself is reached parts adjoining. According to another important feature of the invention the removal of the strip-shaped material from the (through the Vehicle advantageously carried) Speioherrolle made by the forward movement of the vehicle itself takes advantage of the resulting pull, which cannot be obeyed due to the material that is already partially anchored to the ground In the event of an interruption in the laying, this pulling effect can only be resumed by removing the initial one Train of the not laid tape-shaped material on the ground upset.

209806/095 «

These and other features and advantages of the invention leave from the following detailed description of some preferred, but not their implementation options Limited execution examples on the basis of the enclosed Recognize drawings more clearly. Show it:

- Figo 1 in side view and partially in section and in a substantially apparent form, a complete, according to the invention executed and working apparatus;

- Figo 2 fragmentarily shows an embodiment variant, according to which a separate road vehicle (which in turn can be used as an additional service vehicle) is used to complete the work, especially if it is carried out at high speed ;

- Figures 3 _f 4 and 5 are fragmentary, perspective and in section, the order of forming work for the traffic signal on the Strasaenoberflaeohe group;

- Figo 6 shows sohematically the essential components of the Forming means of the lower layer, or the laying and anchoring means of the material on the same, and

- Fig. 7 shows, in a structurally simplified form, the main components of the above-mentioned means forming the bottom sole.

Essentially, the inventive method and apparatus are preceded by forming a first surface 10 (FIG. 3), consisting of a suitable one, on an inevitably uneven, porous and otherwise having road surface S

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Layer 12, which is capable of providing a sub-layer for the Establish attachment and anchoring of a "known tape-shaped traffic signal material 14. This is preferably done this attachment together with that of a lamellar, for Temporary protective, self-destructive material (for example a sheet of paper that has been blown by the water, the moisture and / or the resumption of road traffic after completion of the traffic signal destroyed is) or material that is destroyed, disposed of or possibly recovered by the apparatus itself when it completes its task. This lamellar material 16 is preferably of width Lp (Pig 4j, which is greater than the width Ls of the lower layer 10, which in turn is greater than the width Lm of the in place to be laid tape-shaped material. The underclass forming connection 12 is thus held back at the edge parts 12 ', 12 "below the lamellar material 16, whose Eandteile 16 ', 16 "are brought into contact with the road surface S. After removing the lamellar material 16 (Fig. 5) is the surface M of the tape-shaped material that of the discovered side parts 10 ", 10" of the material of the sub-floor with flat surface, which with its parts 12 ·, 12 "protects the traffic signal material from moisture penetration into the The intermediate surface with the subfloor itself protects the parts mentioned above the material as a result of the pressure tower above.

2098Bfi / 09fifl

223679Q

The complete apparatus can be designed as shown in FIG. It comprises a lorry or lorry designated by 20 "and as such it forms a vehicle provided with all the capacities and characteristics of the vehicles mentioned material 14 as well as the lamellenfoermigen, serving for the temporary protection material 16 is associated, which can be unwound from a self supported by the device 24 Hollenbach 30, comprising at least one transfer roller 26 and tine eater roller 28th the device 24 may comprise at least one lug 32 include to suitable means for eliminating the lamellenfoermigen, serving for the temporary protection material wear for the event that is not the same fast selbatzerstoerbar is under the duroh the traffic and / or the atmosphaerisohen Einfluesee resulting Aussenwlrkungen. for example, said Ansäte 32 a device 36 un Support that is suitable to dispense a flame or a sprits from a LoesTanga »itteJ, © der, other · The called lamellar material 16 'could otherwise be recovered and wrapped in a ball of leather. '

Selbetveretaendlloh the Laengaabatand swisohen the laying · - U walse 26 and dft * place for the removal of the materials ti eo bemes- ( _: aen, daaa with Berueokaiohtigung der Vorwaertefahrtageeohwind- [I

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The ability of the vehicle to ensure that the connection 12 forming the lower layer 10 has been adequately fastened and the anchoring of the traffic signal material has been practically completed in the time required to cross the said length distance. If such a time were not sufficient, especially if one is operating advantageously at increased forward travel speeds, then another road vehicle 120, which has an auxiliary device 150, could follow the entirety according to FIG. 1 at a suitable distance D (FIG. 2) takes along (or possibly drives), which the means 136 for removing the material 16 and preferably one or more additional pressing means, such as a press roller 128 to complete the pressing and leveling of the material laid on the spot and the Corresponding lower layer, carries the devices 22 and 24 used to produce the lower layer or to lay the traffic signaling material can be connected to the rear side of the truck 22 and carried along by the same trailer-wise they can, on the other hand, be placed in other positions in the symmetry plane or on the side of the plane of symmetry of the vehicle 20 or to the side of the said

■ '■■ - ■■

The transport vehicle are connected added zweoks formation signals between the length of an owner of the vehicle or · laterally thereof passing directrix · In any case, these compounds are carried out by means of suitable joints so,

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that it is guaranteed that the parts of the different Devices with the best approximation operate on the same directrix, even if the named vehicle is a turning line trodden

To facilitate the steering of the vehicle along the desired directrix (which is for example defined by a line or a row somehow recorded on the road surface S or by the lueokstaende of an earlier traffic signal to be renewed) is preferably a target and on the front side of the same collimation device 40 is disposed, the self-kinematic tisoh connected, for example by one, with the steering organs of the vehicle arm is supported 42 zweoks an unambiguous determination of the directrix, which then followed by the operating organs of the devices 22 and 24 WLRI "How can indicated above a set as described above, although it comprises relatively small-sized operating devices 22 and 24 (the proportional dimensions of the device 24 shown in Fig. 1 are greatly enlarged compared to those of the truck * 20, by the device mentioned above to create), operate uninterruptedly over a long period of time, relocate a traffic signal 14 around a large linear development also in the order of kilometers on the spot. This is achieved in that the capacity and the carrying capacity of the truck 20 for the transport of the

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^: '223679Q 44

Feeding of the mentioned devices required material, both material and fuel for the various burners, any compressed air and other can therefore be used, the above-mentioned truck 20 suitable containers, a motor compressor unit and everything that is required can contain and transport from Of particular interest is the availability of a considerable amount of traffic signaling material 14, i.e. numerous rolls or reels of said material, from which the same can then be unwound without practically interrupting work. For example, a plurality 46 of such reels or reels 'are rotatably mounted about a horizontal, to Laengsebene of the truck 20 running shaft or spindle the wound on these rolls material 14 <is naohfolgenweise unwound from the same, by passing it, after it has undergone a 90 ° rotation, run around a guide roller 48 is possible , which afterwards above the The plane of symmetry of the coil or bobbin under development is offset and selectively positioned. Other types of arrangements can also be carried out continuously, for example the above-mentioned shoulders or coils can be arranged so as to be flat and rotatable about axes running transversely to the above-mentioned longitudinal plane of the vehicle.

Figo 6 shows a typical combination of the operating * and operating components of the apparatus la vehicles 20 are, for example, at least one Bolle 46a de «materials 14, the

£ 09886/0958

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Bottles 50 or some other container for the fuel, preferably in the form of dilute gas, the containers 52, which are preferably heated and pressurized, for feeding the general bituminous, compounds intended to form the lower layer 10, as well as equipment and reserves of various, to complete and support for the operation of the operating devices serving tools and materials, including any sources of electrical energy (for example a motor generator) arranged "

The band-shaped material 14 is fed in direction A to the laying device 24, comprising at least one deflection roller 54, under the action of the drag resulting from the resistance of its parts already anchored to the ground, which opposes the forward movement of the assembly in direction V. The device 24 can comprise a known (schematically shown) adhesive system 56 for the previous adhesive bonding of the abdominal surface of the material 14 if the latter is not completed by a layer of adhesive or adhesive potential in the solid state, which can be activated as a result of its demonstration on the insole 10 ₀

The device 22 serving for the formation of the lower layer 10, which is connected to the truck 20 via one of the towing devices 24 serving joint 60 is connected to a separate joint 58 (in order to ensure the usual coincidence of the positioning with the same Achieving direct laying) basically includes at least

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ORIGINAL INSPECTED

a burner 62 ,. which is suitable for projecting a violent jet of flame F onto the road surface S for the purpose of maintaining perfect drainage and preheating, and a system 64 for projecting a spray ß of the liquid compound intended to form the underlayer 10. These means are fed individually via the pipelines 66 or 68. Preferably and as shown in FIG , which comprise a cavity 74t in which compressed air is introduced in direction B and via a pipeline 76o This air is therefore very warm and fulfills the double task of protecting the above-mentioned cap from overheating and therefore a flow of heated compressed air into the to the via a pipeline 76a Project planning of the material forming the lower layer to deliver certain system 64, which, emitted through a conveyor cap 73, creates a warm atmosphere favorable to the storage of the thermal energy in the lower layer 10 vinegar state and dispensed via a nozzle 80 dosed amount, which is coaxial with the cap 78 and is fed by a pump 82, which over

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a suitable gear 84 is advantageously driven by one of the haeder 86 carrying the structure of the device 22 (see also FIG. 1) _{or the like}

Such a connection, which is still fed in a substantially loosened and pressurized state via the pipeline 68 (which is _{produced and stored in the container 52, Pig 0} 6) is heated, for example, in an exchanger 88 which feeds the "through the pump 82" Connection comprises a fluidized cavity 90, the delivery of which is proportional to the forward movement V of the device, in order to obtain a dosage which is in turn proportional to the surface to be covered with the underlayer; this cavity surrounds a metal-walled passage 92 which in turn has a duroha second burner 94 generated flame beam is trodden

Since the laying work can be done discontinuously the whole continues with its forward movement in turn, the devices mentioned are suitable means for the controlled setting of the heating and project planning work of the connection. For example, the pump 82 can provide a be assigned with valve 98 provided bypass circuit 96, and the pipe 66 of the fuel feeding the burner 70 and, with its branch 66a, the burner 94 is in turn provided with a valve 100. Said valves 98 and 100 are remotely controlled by known means, the aohematisoh

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For example, by a line 102 and the arrows 104 and 106 are represented in such a way that the opening or the tarsal lease and vice versa are obtained at the same time? of. Valve 100 may be incomplete or the continuous Do not disturb the opening of a narrow passage to the burner 70 and 94 "with minimal idling in the indicated condition until the resumption of preheating of the The bottom or the outflow of the connection forming the lower layer 10 "occurs,

According to the mentioned additional feature of the invention the underlayer 10 can be created through the use of various compounds and combinations of compounds that are suitable, the thermal emitted by the underlayer ■ Exploiting energy in order to obtain the desired rapid state transformation, which is necessary for anchoring the traffic signal material leads, while the thermal, the connection (in Exchanger 88) contributes the energy supplied to anchor the lower layer itself on the road surface 3, Of course, the composition of the sub-layer 10 should be composed Materials ι used as anchoring conveyor or "primer" of the Traffic signal material 14 acts with that present on the traffic signal strip to be superimposed on said lower layer Adhesive be compatible. This material can be through a compound or two links are being made right now or be assigned to one another immediately prior to their project planning on the floor. Of course, you use two

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The device 22 should be understood as duplicated, in the sense that it comprises separate supply and overheating means for the two connections which are connected to or downstream of the nozzle 80 which are originally separate from one another and "connections which are suitable to act back in the formation of the lower layer 10" As a supplement to the present description, examples of formulated compositions for forming the lower layer using only one compound (Example 1) or using two compounds (Example 2), which are mutually offset during the formation mentioned, are given in the following examples the components are expressed in parts by weight
example 1

Bitumen 40/50 160

Nitrile rubber (e.g. "Chemigum Nr.600"

the Goodyear) 5

Hydrocarbon resin (e.g. resin "Eskorez
1101 "the Esso) 10

Coumarone Indene Resin 10

Deep-boiling solvent (e.g.
Blethylene chloride) 55

Example 2

Compound A: Exposy resin (e.g. "Epikote 815 ^M

the shell) 60

Phenol 6

Coal tar 16

Barite 18

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Compound B: Pol ^ amino-amidha-rz (e.g. "Versamid

HO "of General Mills) 8

Coal tar 10

Hardening agent (e.g. ¹¹ E 54 "der

Anchor) 5

Styrene monomer 20

Cobalt naphthenate 0.3

Bitumen 80/120. 6.7.

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Claims (5)

At 223679D PATENT CLAIMS Method of laying in place "tape-like materials for horizontal traffic signals, comprising the previous preparation and preferably the production of a sub-layer suitable to remove the unevenness and porosity of the road surface, and the subsequent application and adhesive anchoring tape-shaped (per se known) material on the surface prepared in this way, the material being arranged in front of rolls or spools, from which it is progressively unwound in accordance with the forward movement of a laying apparatus along the directrix defined by the traffic signal to be laid on the spot, It is therefore possible that a supply of band-shaped material in halls or spools together with a supply of the materials required for the preparation of the counter surface and preferably for the production of the said underlayer is the length of the mentioned Direktrix duroh • transported in road vehicles (or a truck) «Which is assigned to operating the said apparatus and moves forward in accordance with the direction and speed of the said directrix with a device for preparing the street end and for laying the band-shaped material on the separate surface, whereby the 209886/0958 η ■ · ■ ■ ■ said material and said substances from said vehicle to said devices progressively toefoerdert immediately the quantities used for the preparation and installation mentioned are replaced. 2. Method according to claim 1, characterized by the production the underlayer by being applied in the liquid state . Substances that have a thermal energy that are in excess and at least in part on the tape-shaped traffic signaling material applied to said backsheet is transferable to a transformation of the physical state of the intermediate surface of the sublayer and the Material opposite components, for the purpose of a quick and stable adhesion of the said material to the said Lower class & 3. Method according to claim 1, characterized by the previous production of said sub -layer of given width (Ls) on said previously heated surface by projecting the substances in the liquid state by applying tape-like material (14 ·) to said sub-layer is followed, said material (H) having a smaller width (Im) than that of said sub-layer O. 4. Method according to claim 1 and possibly according to the claims 2 and / or 3 »characterized by the production of a 209886/0958 _1Ai 223679Q Lower layer (10) of greater width (Ls) than the width (Lm) of the band-shaped material (14), by pressing the band-shaped material onto and into the connection (12) to form the said lower layer, so that the side parts ( 12 * and 12 ") of said lower layer form side surfaces (10 · and 103) which protrude at least the level of the exposed surface (IT) of the traffic signal material, whereby they lie against each other and protect its edges _{or the like} 5. Method according to claim 4 »characterized by the attachment of a lamellenfoermigen material (16) of greater width (Ls) than the lower layer of a temporary protection of the traffic signal material (14) and the backsheet to substantial completion of the anchoring and attachment of the on-site relocated traffic signals ο 6 «Apparatus for the laying on the spot of the traffic signal material arranged in rolls or coils along a predetermined directrix and on a street end, which has been prepared beforehand for such attachment, characterized in that it comprises an operating unit that includes a street vehicle (20), in particular a lorry or lorry, which is translationally assigned to the devices (22 and 24-) which the said directrix in accordance with; the direction and medium speed of the said vehicle and for the preparation of the road end (S) or for the laying of the ban d-shaped 209886/0958 * "223679Q Traffic signal material (14) on the prepared surface are upstream, a supply (46 or 46a) of traffic signal material (14) in the form of a roll and a supply (50, 52) of for the preparation of the mentioned surface (S) required for laying the band-shaped material (14) Substances and materials that are transported on said vehicle (20) and means (48, 54), (66, 68) for Transport from the vehicle (20) mentioned to the preparation devices (22) or relocation devices mentioned (24) of the named substances or the named material, in progression coinciding with the inclusion of the said Substances and materials in the course of the above-mentioned preparation and installation work and during the start-up (V) of the The entirety of the vehicle (20) and the devices (22, 24) along the mentioned directrix « 7 · Apparatus according to claim 6, characterized in that « the above-mentioned preparation and installation devices (22 or «24) connected to the road vehicle (20) meohanisoh are, in order to approach it along the specified, by the Steering of the said vehicle it defined Direktrix « 8, apparatus according to claim 7 »characterized in that a the road vehicle (20) comprises, at its front, the means (40, 42) which control the steering devices of said vehicle are assigned to the collimation of the direction of travel of the named vehicle and the devices on the Direktrix 20Θ886 / 0958 223679Q 22 of the traffic signal laid on the spot. Apparatus according to claim 6 and possibly .. according to others Claims 7 and 8, daduroh marked that on the Vehicle (20) a plurality of rolls or spools of the tape-shaped Materials (H) are arranged, wherein the means (48) are provided to transfer said material to the laying device (24), which is thereupon from the individual rolls or spools are removed from 1oo apparatus according to claim S, daduroh in that said plurality (46) of rolls or coils of coaxial coils is carried by the vehicle (20) in shape and that said means (48) comprise at least one pulley, one for said car The transverse and longitudinally offset axis has for selective positioning in the planes of rotation of the various coils in order to receive the material (14) from them after it has undergone a 90 * torsion. 11 · Apparatus gamaess one · »or more of the Anaprueohe 6 1O ₉ daduroh characterized that the device (22) serving to prepare the Straasenobtrfiahehe (9) when receiving the strip-shaped material (U) comprises at least one burner (70) which is supplied by fuel fed by the vehicle (20) and is thus facing «the · · £ ejects a jet of flame (F) onto the turf surface located in front of the receiving zone of the bend-shaped material · 209886/0958 12ο apparatus according to one or more of the claims β to 11, characterized in that the. To prepare the Road surface (S) serving device (22) "upon receipt of the band-shaped material (14) comprises at least one nozzle (80) which serves to create a flow (G) of a loosened and ueTDrueckten composition for the production of the to deliver band-shaped material (14) maintaining and anchoring lower layer (10), said nozzle is preferably positioned so that it has said underlayer on a previously heated road surface (S) forms, 13 · Apparatus according to claim 12, characterized in that said nozzle (80) is fed by a pump (82), which in accordance with the height of the approach (V) the entirety of the aforementioned directors operates *! the pressure line of said pump in a heat exchange system (88) that is suitable for the pumped To impose an overheating on the connection, which is suitable is to impart an excess thermal energy to the material forming the said underlayer the ^ required for loosening up. 14o apparatus according to the Ansprueohen 11 to 13, a clever characterized characterized in that said nozzle (80) let arranged in a Foerderkappe, ^ (78) which serves # warm air ausflleesen j to be capable of forming in the Ausflueszone said 209886/0958 Connection of an over-expected atmosphere is intended and that the flame jet (F) flows through a double-walled cap (72) made of metal and provided with a cavity (74), which is flown by compressed air that is supplied by the vehicle (20) and then the said conveyor cap (78) is forwarded 15 apparatus according to claims 11 and 13, characterized in that that the valve means (100 and 98) for controlling the flame jet (F) or that for the formation of the underlayer (10) serving flow (G), said valve means (duroh known control systems 102-106) are consistently controlled to adjust the setting of the Ground preparation work in accordance with the Settings of the work of the tape Materials (H) to be selectively obtained 209886/0958 IS Blank page