EP1378618A2 - Apparatus for forming an accurate screeding profile - Google Patents

Abstract

A method has a guide beam (4) incorporating a spirit level and a slide (2) fitted onto the top of the beam. One side of the slide has an adjustable wedge (3) which funnels screed (9) to the bottom lip where a defined strip of screed is laid as the slide is moved along the beam. The slide is U-shaped and the beam can be fitted with leveling means at one end to cater for sloping base layers. The system can also be used for wall coatings.

Description

The invention relates to a device for creating a defined trigger strip, in particular as a trigger aid for the Preparation of the substrate for floors, walls to be tiled or similar.

Before floors or walls can be tiled, the substrate, So the floor or wall, prepared accordingly become. That means that bumps are leveled out and an appropriate slope may need to be prepared.

For this purpose, the sub-floor is removed, that is, with The mortar bed, which is still moist, becomes the most accurate latte possible smoothed. This trigger bar is on accordingly precisely aligned edges. These edges are also called Trigger strips called. Without these edges or trigger strips it is very difficult to pull it off exactly. From a standing start It is known in the art to have these edges or trigger strips for example to use as strips made of metal or wood and these strips laterally or in sections in the Align the room or wall before placing the mortar. After the mortar has been poured in, use a conventional one Trigger device, such as a trigger strip or Vibrating plank, the mortar evenly distributed and then deducted.

The problem is that the loosely inserted trigger strips due to the pulling process or the shaking can move and the exact location is lost. To the Furthermore, the strips after tightening or tying the The concrete or screed is then removed from the room which creates unwanted gaps in the underground especially when complete rooms or walls with one Screed or the like must be provided. It is also known, such rooms or walls in sections as before described to manufacture. This also creates the problem of joints that can also tear later.

A height adjustment device is known from the publication DE 29 12 906 known for a screed. This screed is used thereby for leveling and smoothing concrete beds or the like with parallel rails, the Support the running rails on the rotating leg stands, which are height adjustable are executed. The in DE 29 12 906 presented solution serves the direct and stepless Adjusting the height of the running rails. It is proposed that the height adjustment against heavy dirt on the Construction site is protected. That is why the height adjustment devices largely encapsulated. A solution with which thin layers of mortar, such as screed or plaster, can be applied to walls or floors Documentation can not be removed. In particular, this is here proposed solution only suitable to complete stronger Concrete surfaces, preferably with steel reinforcement Surfaces.

From the document DE-GM 77 07 240 is a holding device known for trigger or straightening elements. The holding device is used for straightening rails, vibrating boards or other straightening elements to hold a puller, such as a Screed or the like, especially with vibrators, over the freshly poured concrete is led. Here is a rod-shaped Support provided on at least part of their Length including one end is threaded. Of There is also a cap that can be plugged onto one end of the support and a head carried by the support, one Recording for one or more straightening elements and an approach with a thread that can be screwed to the thread of the support having. This device is used only for height adjustment for the guides of vibratory plates or trigger plates Concrete surfaces. For thin-surface layers such as screed or Plasters, this device is not suitable.

From the publication DE 101 02 328 A1 there is a planer for a platform edge foundation known. This solution concerns a device for a platform edge foundation, which Concrete is to be made along a track body. This The planer is on the tracks or on the track body guided. This planer also contains a first one Feed chute for pouring the concrete, which is a lower one Has outlet, the rear boundary wall in the working direction has a planing edge which is in a predetermined vertical distance to the tracks by which the first feed chute brought concrete to a predetermined Bring height relative to the track body. As already from this Description emerges, this solution is a kind of slipform actually only suitable for concrete next to a track body to create platform edge foundations. The Device is not suitable for thin-film surfaces existing concrete surfaces or walls, walls or the like applied. Another disadvantage of this known solution is indicated that the peel edge is substantially rectangular is formed to the foundation surface, whereby the Sliding the entire device is difficult and in particular no level, properly subtracted foundation surface is created. This is when creating foundation surfaces also not necessary since it does not affect the smoothness of the Surface arrives. Rather, it is desirable for such work that the surface of such foundations is slightly roughened is to be connected later with those to be applied To enable platform edges better.

A pulling device is known from the document EP 0 240 801 known for producing a fine planum for a plaster bed. This device is only used to produce the fine planum for paving. For the implementation of concreting this device is not suitable. The device has a cutting edge, which in Working direction is inclined, and that in the manner of a Planes the excess material into a collecting trough. This collecting trough also serves as a transport cart, to remove the excess material when the Collecting trough is filled. A fine planum for paving is usually made from sand or non-cohesive building materials. Concrete is usually used for this type of work not used. In particular, no screed work or cleaning work can be carried out, by means of which very smooth Surfaces should be preserved.

Thus, there are no suitable solutions from the prior art known, by means of their trigger edges, especially for screed or Plastering work can be created. Especially for Substrates that will later be tiled, the enable effective work and at the same time a ensure high accuracy of the later surfaces, are currently none of today's accuracy requirements and speed appropriate solutions known.

The invention has therefore set itself the task of a Provide solution with which such a trigger edge without the Disadvantages described above manufactured more accurately and inexpensively can be.

To achieve this object, the invention proposes a device to create a defined trigger bar, in particular as a deduction aid when preparing the surface for floors, walls to be tiled or the like before, the device one on a guide movable carriage, which is characterized by that an edge forming the trigger strip is provided and by the movement of the sled on the guide that on the Extractor strip material held on the floor or underground, in particular Mortar, concrete or screed, to a fume hood is formed.

With the solution designed in this way, it is now possible to take guided tours in the form of strips, rails or spirit levels to be positioned at different points in the room or wall, to then create a trigger strip using mortar. First, with the help of the guide and the mortar Trigger strip formed on the later height of the mortar should correspond to the floor or on the wall.

According to the invention was an advantageous training found that it is advantageous if the sled is like this is formed that it is essentially the cross section Form of the guide corresponds and can be placed on this.

According to an advantageous development of the invention the carriage is U-shaped in cross section, wherein the web of the U points upwards in the position of use.

According to an advantageous development, it is provided that that a slope is provided, the side of the U des Is arranged carriage and with at least one of the Thigh encloses a right angle. Here is the Trigger strip forming edge preferably at the lower end of this Arranged or formed obliquely.

With the help of this edge, the trigger strip is made of mortar or Shaped concrete. The width of the trigger bar corresponds to that Width of the edge. The trigger strip is preferably located on the edge of the floor when preparing the floor should serve. Two strips are also advantageously provided, so that a corresponding lath or the like a support is found on two opposite sides if possible.

In the preferred embodiment of the invention, that the bevel with the trigger strip pointed Forms an angle. The mortar runs on the underside of the Along the slope, forward to the bottom of the slope, where the edge is and exits over the edge. The Edge smoothes the surface of the mortar and forms the trigger strip.

The tour is also a tour, for example conventional spirit level that can be set up exactly so that there is a trigger strip, for example, completely is aligned horizontally or vertically. Comes on as a guide a bar or bar in question, which is by means of a Spirit level can be aligned. There are other means too suitable.

In the preferred embodiment of the invention, the Slant arranged on the side of the U of the slide and closes make a right angle with one of the legs. The slope is attached to one leg of the U, for example welded, glued, screwed, riveted or the like, the surface of this leg along with the surface of the slope forms approximately a right angle. The slope forms an acute angle with the web of the U.

It is advantageously provided that the slope in Working direction is arranged sloping, so that the material when moving the device downwards in the working direction pressed and thereby distributed or compressed and at the same time is smoothed. This is a very important aspect since a formation of the acute angle against the working direction the device acts as a plane, only that Removing material, but not for compaction and simultaneous pulling the trigger strip is used. To that extent the working direction for the way of working when creating the Trigger strip very significant.

According to an advantageous further development, the device can of the invention as a stamped and bent part formed in one piece be, the device integrally the carriage and embraces the slope. This can be obtained, for example, by creating a settlement, for example through Stamping is made. Then fold the Leg of the sled and by chamfering the bevel and their gutter-like ends then become very stable and simple Receive device to be manufactured.

It is favorable if the sloping downwards over the U or the The carriage protrudes, then the edge with the bottom the guide, for example the spirit level, crossbar or the like, lies in one plane. So you can pull the trigger easy to manufacture.

It is also advantageous if the slope at its lower end is groove-like, funnel-like or U-like, wherein the web of this U is formed by the edge. For example the slope becomes narrower towards the bottom and becomes on her Bottom bounded by two side flanges. The edge forms a U with these flanges the mortar is shaped like a gutter and is easy to work with. By simple Covering the device with the edge creates the Trigger bar.

The invention is also characterized in that the web is designed such that the carriage on the guide in Can be used in the form of customary spirit levels or leveling staffs , which as a guide preferably has a height of approximately 50 mm. So it is the craftsman working on the construction site possible with the simplest means, which he Exercising his job required, and the invention Device for producing trigger strips on floors or walls, and this in particular in a later orientation to bring the shape corresponding to the surface.

Another aspect of the invention is indicated in that one leg of the carriage is shorter than that second leg. For example, the leg on which the Is arranged obliquely, be of normal length, while the other for weight and material saving reasons then shorter. However, it is also conceivable that the leg is somewhat shorter, which is to the side of the Slant points.

According to an advantageous development, it is provided that that the sled L-shaped, consisting of one leg and the web. It is then necessary the one at approximately a right angle to that standing in the underground Press thighs against the guide to ensure adequate Ensure leadership. Automatic guidance as with the U-shaped training is no longer given here, but is then achieved through this additional pressure. Through the L-shaped Formation of the sled it is however possible to make the device even lighter overall.

The invention further relates to a system for creating a defined trigger strip, in particular as a trigger aid for the Preparation of the substrate for floors, walls that are tiled must be or the like, the system for one comprises a device as described above and for others the guidance of a staff, spirit level or the like is formed. By combining the device with the guide, i.e. the spirit level, crossbar or the like, the trigger can be reached best, but also it is provided that the device on a commercial Spirit level is attachable. The use according to the invention a spirit level facilitates the correct orientation or Align the system.

An angle gauge for attachment to is particularly advantageous the guide or on the spirit level or the like.

Such an angle gauge is advantageously at the end of the Guide or the spirit level arranged. With the help of this Angular gauges can create a reproducible angle. This is of advantage, for example, if the floor is one should have a slight slope. That can be the case with bathrooms or Basements can be beneficial if it is desired that Water drains off to one side. Also on patios, balconies ect. this effect is favorable. For this purpose the Angle gauge movable against the spirit level and can be done in one defined angle can be fixed. Also a height adjustment on the angle gauge is advantageous. The angle gauge is alternative can also be attached laterally to the guide, for example a clamping screw is also provided in an elongated hole.

For this purpose, it is advantageous if the angle gauge is L-shaped is, has an elongated hole and with a clamping screw on the Leadership can be determined. The one with the help of the slot and the Clamping screw can be defined at any other point of the room can be repeated, so that there is a corresponding similar edge is created. Even the height adjustment can be achieved with the help of the long drill.

The system according to the invention for creating a defined Fume cupboard is also characterized in that a height adjustment device, consisting of a shoe, which the shape corresponds to the cross-section of the guide and one on it Shoe arranged adjusting or clamping screw is provided by means of which the height of the distance of the guide with respect to the The surface is adjustable. It is an advantage if a flat foot for setting up the height adjustment device is trained and for fastening the shoe on the guide another locking or clamping screw is provided. The The shoe is then simply pushed over the guide, which then with the plate-shaped feet placed on the ground becomes. The height is then adjusted by adjusting the Adjusting or clamping screws with respect to the surface. If then the alignment is done, the mortar material can be on laid the floor and using the device as before described, then the trigger strip are made. Consequently is another completion element for the system for Describing how to create a defined trigger strip.

• Herstellen einer Abzugsleiste aus Abzugsleistenmaterial wie zum Beispiel Mörtel, Estrich, Beton oder dergleichen, insbesondere mittels einer Vorrichtung nach einem oder mehreren der vorherbeschriebenen Ausführungsformen bzw. mittels des Systems, wie zuvor beschrieben,
• nach dem Abbinden der Abzugsleiste erfolgt dann das Ein bzw. Aufbringen des Untergrundmaterials, wie zum Beispiel Mörtel, Estrich, Beton oder dergleichen, auf die auszugleichende Fläche, beispielsweise zwischen oder neben den Abzugsleisten,
• Abziehen des Untergrundmaterials durch übliche Abzugsvorrichtungen wie Glättleisten, -bretter bzw. -bohlen auf die Höhe der Abzugsleiste dadurch, daß die Glätt- bzw. Abzugsvorrichtungen auf die Abzugsleisten aufgelegt werden und dann abgezogen wird.

The invention also provides a method for producing a substrate for floors, walls, in particular walls and floors that are to be tiled or the like, which is characterized by the sequence of the following process steps:

• Production of a trigger strip from trigger strip material such as mortar, screed, concrete or the like, in particular by means of a device according to one or more of the previously described embodiments or by means of the system as described above,
• after the trigger strip has set, the substrate material, such as mortar, screed, concrete or the like, is then applied or applied to the surface to be leveled, for example between or next to the trigger strips,
• Removal of the substrate material by conventional extraction devices such as smoothing strips, boards or planks to the height of the extraction strip by placing the smoothing or extraction devices on the extraction strips and then pulling them off.

A method is thus provided which enables very precise work, namely in that initially the trigger strips are manufactured in the required height. After setting, the mortar or screed or the like can then be introduced or applied and the There is a risk of the trigger strips slipping or shifting no longer given because the trigger strips have already been tied are and can no longer be moved. This will be on the entire area reaches a uniform height and at the same time a cracking of those that may have to be filled in later Avoided places because of the type of design of the trigger strips itself, crack formation is largely avoided.

Fig. 1:

eine Seitenansicht der Erfindung im Detail;

Fig. 2:

eine Frontansicht der Erfindung, teilweise im Schnitt;

Fig. 3:

eine Seitenansicht mit einer weiteren Einzelheit der Erfindungen und

Fig. 4:

eine Ansicht von unten gemäß der Erfindung.

In the drawing, an embodiment of a device according to the invention is described schematically. Show it:

Fig. 1:

a side view of the invention in detail;

Fig. 2:

a front view of the invention, partly in section;

Fig. 3:

a side view with a further detail of the inventions and

Fig. 4:

a bottom view according to the invention.

Fig. 1 shows how from the wet mortar 9 with the help of Slant 3 and the edge 31 of the trigger 6 is formed. The mortar 9 on the underside 34 of the slope 3 bundled like a funnel, it slides down to the lower end 30, with the taper 35 of the mortar 9 to Edge 31 is passed and the trigger strip 6 is formed. The Trigger strip 6 preferably consists of mortar 9 or concrete, and after curing can be 6, with this trigger With the help of a trigger stick or the like, a completely flat one Reach area.

The device 1 consists essentially of the carriage 2 and the slope 3. The carriage 2 is movable on the guide 4, the guide 4 being, for example, a Spirit level 8, a slat or the like.

The carriage 2 essentially represents a U 21, the Web 20 points upward, while the parallel legs 22nd point down. The U 21 includes the guide 4, whereby the legs 22 are parallel to the sides 40 of the guide 4.

On one of the legs 22, the bevel 3 is arranged laterally, for example welded on. The slope 3 points downwards the taper 35 and ends at the lower end 30 with the Edge 31. The edge 31 lies approximately on the same Height as the lower edge 41 of the guide 4. The edge 31 of the Slant 3 forms the trigger strip from mortar 9 or the like 6th

Fig. 4 shows the underside of the device 1. Here is too see how the taper 35 and the web 33 by the Edge 31 is formed, the U 32 form. At the taper 35 are the flanges 36, which are also good in FIGS. 1 and 4 are seen. The flanges 36 have the task of closing the mortar 9 bundle and shape over the edge 31 to the trigger 6.

The alignment of the trigger strip 6 is done by the guide 4, which is preferably a spirit level 8. The procedure is such that the spirit level 8 is first aligned, is put into the water, for example afterwards is attached and then with the device 1 lengthways over moved the spirit level 8, the 9 through the mortar Trigger strip 6 forms. If a slope is desired, that too is already to be specified by the trigger 6 for example, an angle gauge 5 at the end 42 of the spirit level 8 intended. The angle gauge 5 is essentially formed like an L 52 and with the help of an elongated hole 50 and a clamping screw 51 connected to the spirit level 8. The angle theory consists, for example, of an angled flat iron the corresponding slot 50 and can with the help of the slot 50 and the clamping screw 51 at a fixed predetermined angle be adjusted. The spirit level 8 then follows automatically the predetermined inclination so that there is a corresponding gradient results. If a given slope is desired, you can also on the angle gauge 5 a degree or not shown Percentage should be provided. That way is a corresponding slope reproducible at any time.

The claims now filed with the application and later are attempts to formulate without prejudice to achieve further protection.

Should there be a closer examination, especially of the relevant prior art, show that one or other feature for the purpose of the invention, although favorable, not but it is of crucial importance, it will of course be now striving for a wording that is such a characteristic, especially in the main claim, no longer has.

The backward relations mentioned in the dependent claims point to the further training of the subject of the main claim by the features of the respective subclaim out. However, these are not considered a waiver of achievement an independent, objective protection for the characteristics to understand the related subclaims.

Features previously only disclosed in the description can in the course of the process as of essential to the invention Significance, for example to differentiate it from the prior art, be claimed.

Features that were only disclosed in the description, or also individual features from claims that have a plurality of features can at any time to differentiate from the status of Technology in the first claim to be adopted, and indeed then when such characteristics are related to other characteristics were mentioned or in connection with others Characteristics achieve particularly favorable results are now with the application and later filed claims Attempts to formulate without prejudice for achieving further Protection.

Claims (13)

Device for creating a defined trigger strip, in particular as a trigger aid when preparing the substrate for floors, walls that are to be tiled, for example, or the like, the device (1) having a slide (2) which can be moved on a guide (4), characterized in that an edge (31) forming the trigger strip (6) is provided and by the movement of the slide (2) on the guide (4) the trigger strip material, in particular mortar, concrete or screed, held on the floor or base a trigger strip is formed. Device according to claim 1, characterized in that the slide (2) is U-shaped in cross-section, the web (20) of the U (21) pointing upwards in the position of use and / or the slide (2) having an L-shape is formed from a leg (22) and the web (20) and the web (20) rests on the guide (4). Device according to one or both of the preceding claims, characterized in that the web (20) of the U (21) corresponds approximately to the width of the guide (4) and is designed to be placed on it in the use position. Device according to one or more of the preceding claims, characterized in that a bevel (3) is provided which is arranged on the side of the slide (2) and which forms an essentially right angle with at least one of the legs (22) of the slide and / or the edge (31) is at the lower end (30) of one / the bevel (3). Device according to one or more of the preceding claims, characterized in that the bevel (3) forms an acute angle with the trigger strip (6), preferably in such a way that the bevel (3) is arranged sloping in the working direction, so that the material is pointing downwards pressed, compacted and smoothed at the same time and / or the device consisting of slide (2) and slope (3) is formed as a stamped and bent part and / or the slope (3) protrudes downward over the slide (2) and / or the bevel (3) at its lower end (30) is channel-like or U-like (32), the web (33) of the U (32) being formed by the edge (31). Device according to one or more of the preceding claims, characterized in that the web (20) is designed in such a way that the slide (2) can be placed on the guide (4) in the form of customary spirit levels or straightening slats, this being used as a guide ( 4) serve. Device according to one or more of the preceding claims, characterized in that one leg (22) of the carriage (2) is shorter than the second leg (22). Device according to one or more of the preceding claims, characterized in that the slide (2) is L-shaped, consisting of a leg (22) and the web (20), and the web (20) on the guide (4) rests. System for creating a defined trigger strip, in particular as a deduction aid when preparing the surface for floors, walls, for example, tiled must be, or the like, the system for a device according to one or more of the preceding claims and the guide (4) of a lath, spirit level (8) or the like is formed is. System according to claim 9, characterized by an angle gauge (5) for attachment to the guide (4) or the spirit level (8) or the like. System according to one or both of the preceding claims 9 and 10, characterized in that the angle gauge (5) is arranged at the end (42), guide (4) or the spirit level (8) and / or is L-shaped Has elongated hole (50) and can be fixed with a clamping screw (51) on the guide (4). System according to one or more of the preceding claims 9 to 11, characterized by a height adjustment device consisting of a shoe which corresponds to the shape of the cross section of the guide (4) and an adjusting or clamping screw arranged on this shoe, by means of which the height of the Distance of the guide (4) with respect to the surface is adjustable. Process for the production of a substrate for floors, Walls or the like, for example, tiled in which initially at least one trigger strip, in particular by means of a device according to a or more of claims 1 to 8 and / or in particular by means of the system according to one or more of the claims 9 to 12 made of trigger strip material such as Mortar, screed, concrete or the like made after the trigger strip has set, the substrate material in particular mortar, screed, concrete or the like, applied to the surface and by means of usual extraction devices such as smoothing strips, - planks or planks pulled off to the height of the trigger strip becomes.

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