Method for closing a well in a component, well covering device, taphole covering device setting device, set and use of a taphole covering device

Abstract

The invention relates to a method for closing a tie hole in a wall, wherein a tie hole cover device (21) is first arranged around the tie hole in the wall, the tie hole is at least partially filled with a filling material, and then the tie hole cover device (21) is removed from the wall. The invention further relates to a tie hole cover device (21) and a tie hole cover device setting device.

Description

[0001] The present invention relates to a method for closing a tie hole in a component according to the preamble of claim 1, a tie hole cover device for arrangement on a component according to claim 8, a tie hole cover device setting device for arranging a tie hole cover device on a component according to claim 11, a set according to claim 14 and the use of a tie hole cover device for carrying out the method according to claim 15. Technological background

[0002] When constructing a building, at least some components are cast. For example, walls are made of concrete.

[0003] As in the Figure 1As shown in the partial diagram, two formwork elements 1 are positioned at a distance A from each other to create a cast wall. To ensure the desired distance A, which corresponds to the later wall thickness, several formwork spacers 5 are provided. Each formwork spacer 5 has a spacer tube 6 and support cones 7 arranged at its end. The spacer tube 6 terminates at a distance from the formwork elements 1. To prevent the formwork elements 1 from moving apart, particularly due to the pressure that occurs when the created cavity H is filled, a threaded rod 8 is guided through the formwork spacers 5 and secured by means of clamping nuts 9. The wall material, in this case concrete, is then poured into the cavity H.

[0004] Once the wall material has sufficient strength, at least one clamping nut 9 is loosened, then the threaded rod 8 and the formwork elements 1 are removed. The support cones 7, which only served to distribute the pressure when clamping the threaded rod 8, are also removed.

[0005] What remains is a tie hole 11, which has a corresponding shape depending on the design of the support cone 7. Here, the tie hole 11 has a conical shape. The tie hole 11 is filled, for example, for fire safety reasons, due to requirements for tightness, and / or aesthetic reasons. Especially with exposed concrete walls, there are high demands on the aesthetic appearance of the visible side of the wall and thus on the visible part of the fill in the tie hole 11.

[0006] In the prior art, the tie holes are closed, for example, with a plug, whereby the prefabricated plug rarely matches the color and / or structure of the area of ​​the component surrounding the tie hole. Alternatively, it is known to fill the tie hole with a filler material.

[0007] A disadvantage of these known solutions is that different colorations and / or structural features repeatedly occur, which do not match the area of ​​the component surrounding the binding hole and thus disrupt the visual impression.

[0008] Specially trained and / or experienced specialists in the field of concrete cosmetics can achieve a better appearance of the finished, cast component, for example, through grinding and pigmentation. A concrete wall, for instance, has a large number of tie holes, the sealing of which is correspondingly time-consuming.

[0009] A disadvantage of this well-known solution is that the number of such specialists is small and they are expensive. Therefore, the costs for a good appearance of a cast component are correspondingly high. Description of the invention

[0010] One object of the invention is to create a method for closing a connecting hole in a component which does not have at least one of the aforementioned disadvantages and which, in particular, can be implemented cost-effectively while achieving high optical requirements.

[0011] This problem is solved by the features of independent claim 1. Advantageous embodiments of the invention are specified in the dependent claims.

[0012] The procedure for sealing a tie hole in a component includes the following steps: a) Arranging a lashing hole cover device around the lashing hole of the component; b) filling the lashing hole, at least partially, with a filler material; and c) removing the lashing hole cover device from the component.

[0013] In the first step a), the arrangement of the tying hole cover device protects the area of ​​the component surrounding the tying hole from damage and discoloration during the subsequent work steps.

[0014] The tying hole cover device is preferably designed such that, in the arranged state, it encloses the tying hole as precisely as possible. A particularly suitable tying hole cover device according to the invention is described in detail below.

[0015] In the next step b), the tie hole is filled, at least partially, with a suitable filler material. In particular, the filler material comprises a mixed, multi-fiber, hardenable material. A rapid-setting mortar, such as those used for renovations in commercial and residential construction (for example, the PCI Repament® Multi rapid-setting mortar from Sika®), is advantageously used.

[0016] Once the filler material has slightly dried, any excess can be sanded off and / or smoothed with a sponge (preferably damp). The tie-hole cover device positioned around the tie-hole ensures that the area of ​​the component surrounding the tie-hole is protected from chemical and mechanical contamination.

[0017] In step c), the tying hole cover device is removed, leaving behind a perfectly closed tying hole without damage to the area of ​​the component surrounding the tying hole.

[0018] Anyone, especially those experienced in using a trowel or spatula, can carry out this inventive method. This significantly reduces the costs of constructing such a component, e.g., a wall made of exposed concrete.

[0019] Preferably, before arranging a tying hole cover device (step a)), at least the area of ​​the component surrounding the tying hole is pretreated, thereby improving the arrangement or adhesion of the tying hole cover device to the area surrounding the tying hole of the component. For example, this area is cleaned and / or dusted, in particular by dry dusting.

[0020] Preferably, the tie hole is filled at least partially using a piping bag, which allows the user to fill the tie hole precisely and therefore easily. Using the piping bag makes it easy to ensure that the spacer tube of the formwork spacer is also sufficiently filled, so that adequate fire protection is achieved when filling the tie hole.

[0021] Preferably, the filling of the tie hole is carried out in several stages, thus enabling a fill level that meets the requirements. For example, in a first step, the tie hole is largely filled, and in a second step, only a small amount is added to fill the remaining space, which is then processed further shortly after filling.

[0022] It is also conceivable to use different filling materials, which may even have different material properties. For example, a very dense filling material is used first when hardened, followed by a filling material specifically matched to the structure and / or color of the area surrounding the tie hole on the component. Alternatively, a plug can be used as the initial filling material in the tie hole, followed by a filling material specifically matched to the structure and color of the area surrounding the tie hole on the component. Both of these exemplary variants allow the use of cost-effective filling materials, which significantly reduces the overall production costs for the component when dealing with a large number of tie holes.

[0023] Preferably, the filled tie hole is smoothed, allowing the filler to easily adapt to the structure and, if necessary, the color of the area of ​​the component surrounding the tie hole. Smoothing is done, for example, using a spatula or a sponge – preferably damp.

[0024] Preferably, the surface of the tie hole is pretreated before filling, thereby improving the adhesion of the filler material to the surface. For example, the surface is roughened mechanically and / or chemically, with the tie hole cover protecting the area of ​​the component surrounding the tie hole from mechanical and / or chemical contamination during this process. Alternatively or additionally to the mechanical treatment of the tie hole surface, an adhesion promoter can be applied to the surface of the tie hole, with the tie hole cover again protecting the area of ​​the component surrounding the tie hole from mechanical and / or chemical contamination during this process.

[0025] Preferably, the outer surface of the filled tie hole is treated before the tie hole cover is removed (step c)), e.g., to achieve the best possible visual appearance of the component. In particular, the outer surface of the filled tie hole is adapted to the structure and / or color of the area of ​​the component surrounding the tie hole by suitable measures such as pigmentation, grinding, etc., before the tie hole cover is removed (step c)).

[0026] Furthermore, the object of the invention is to create a suitable tie hole cover device for arrangement on a component, which does not have at least one of the aforementioned disadvantages and in particular can be used by anyone or by simply trained construction professionals.

[0027] This problem is solved by the features of independent claim 8. Advantageous embodiments of the invention are specified in the dependent claims.

[0028] The inventive bung hole cover device for arrangement on a component has a flat base body which has a bung hole rim opening, as well as at least one holding device for holding the bung hole cover device on the component.

[0029] Such a bung hole cover device is easy to handle and install.

[0030] The opening around the lashing hole is ideally matched to the shape of the lashing hole's edge. Lashing holes typically have circular outer edges, so the opening around the lashing hole is preferably also circular with the corresponding diameter.

[0031] The at least one holding device is designed in such a way that the tying hole cover device is securely held in the arranged state during the execution of various work steps on the area of ​​the component surrounding the tying hole.

[0032] In particular, at least one holding device is provided at least partially on the flat base body, which allows for a simple design of the tying hole cover device.

[0033] In this context, a planar basic body is understood to be a basic body whose dimensions in the X and Y directions are significantly larger than its dimension in the Z direction (= thickness (d; D)).

[0034] The flat base body is advantageously made of plastic, in particular a thermoplastic material. For example, the flat base body is made of a polypropylene (PP) plastic film, thus creating a flexible, stable and durable tie-hole cover device.

[0035] Alternatively, the flat base body can be made of polyethylene terephthalate (PET), which is particularly advantageous for thicker base bodies due to its mechanical properties. Other suitable plastics for manufacturing the base body include high-density polyethylene (HDPE), low-density polyethylene (LDPE), and polyvinyl chloride (PVC), although this list is not exhaustive. The plastic chosen depends on the dimensions of the flat base body and is particularly advantageous in terms of its mechanical properties.

[0036] Preferably, the at least one holding device comprises at least one adhesive layer, which allows for simple attachment to the area of ​​the component surrounding the tying hole. For this purpose, the tying hole cover device is pressed, for example, with the adhesive layer facing forward, onto the area of ​​the component surrounding the tying hole.

[0037] The adhesive layer, at least one of which is designed, is such that the tying hole cover is securely held to the area surrounding the tying hole on the component during various work steps, while simultaneously allowing for its deliberate removal from the surrounding area. Advantageously, the adhesive layer leaves no discoloration or residue when the tying hole cover is removed from the component.

[0038] In particular, a synthetic adhesive is used for at least one adhesive layer. Such an adhesive is easily removable, simple to apply on-site, and leaves no discoloration or minimal residue on the surface. The PSA (Pressure Sensitive Adhesive) from Werotex AG has proven to be particularly advantageous.

[0039] Preferably, at least one removable protective cover is provided on the at least one holding device, which protects it in particular from contamination before the installation of the bung hole cover. Furthermore, the storage of multiple bung hole covers is simplified, since their holding devices do not adhere to adjacent bung hole covers.

[0040] At least one removable protective cover can be made from the same material as the flat base body.

[0041] The inventive tying hole cover device is used to carry out the inventive method.

[0042] Furthermore, another object of the invention is to create a binding hole cover device setting device for arranging a binding hole cover device.

[0043] This problem is solved by the features of independent claim 11. Advantageous embodiments of the invention are specified in the dependent claims.

[0044] The inventive tying hole cover device setting device for arranging a tying hole cover device on a component has an alignment mandrel for insertion into the unfilled tying hole and a receiving unit for receiving at least one tying hole cover device.

[0045] The alignment mandrel of the tie-hole cover setting tool, inserted into the tie-hole, aligns it and enables the precise positioning of a tie-hole cover on the area of ​​the component surrounding the tie-hole, using the receiving unit. The outer diameter of the alignment mandrel is advantageously matched to the inner diameter of the spacer tube of the formwork spacer. The smaller the difference between the outer diameter of the alignment mandrel and the inner diameter of the spacer tube of the formwork spacer, the more accurately the tie-hole cover can be positioned on the area of ​​the component surrounding the tie-hole. Simultaneously, the section of the alignment mandrel protruding from the surface of the component when inserted serves as a guide rail for the tie-hole cover and / or the receiving unit.

[0046] Preferably, the receiving unit comprises at least one magazine unit for receiving several bung hole cover devices, enabling the user to easily and effectively arrange bung hole cover devices precisely one after the other for several bung holes.

[0047] Preferably, a sliding device is provided for positioning a tie-hole cover, which enables simple and correct positioning of the tie-hole cover at a tie-hole. The user moves the sliding device, for example, towards the component on which the tie-hole cover is to be positioned, only after the user has correctly aligned the tie-hole cover setting device.

[0048] The spring-loaded sliding mechanism is advantageous, as it reduces strain on the user during repeated use, even over extended periods. Furthermore, the selected spring force can provide additional support for the tie-hole cover.

[0049] A set according to the invention consists of a tying hole cover device and at least one tying hole cover device according to the invention. Character description

[0050] The invention is explained in more detail with reference to exemplary embodiments in the following figures. The list of reference numerals forms part of the disclosure.

[0051] Positional references, such as "top", "bottom", "right" or "left", refer to the corresponding representations and are not to be understood as restrictive.

[0052] The figures are described in a coherent and comprehensive manner. Identical reference symbols indicate identical components. They show Fig. 1 a formwork spacer according to the prior art in the assembled state in a side view; Fig. 2 a tie-hole cover device according to the invention in plan view; Fig. 3 the cover device according to the invention in cross-section along line IV-IV in Fig. 2 ; and Fig. 4a-e a method according to the invention for closing a tie hole in five partial steps, each in a top view; Fig. 5 a set according to the invention or a setting device according to the invention in a schematic representation. Implementation of the invention

[0053] The in the Figures 2 and 3The illustrated bung hole cover device 21, for arrangement on a cast component, here a wall, comprises a flat base body 22, which has a bung hole rim opening 26, and a holding device 28 for holding the bung hole cover device 21 on the wall. The holding device 28 includes an adhesive layer, here a synthetic adhesive, e.g., a PPE from Wedro AG. A two-part removable protective cover 29 is provided on the holding device 28 for its protection.

[0054] The retaining device 28 is provided only in certain areas of the flat base body 22, specifically spaced circumferentially from the outer surface 23 of the base body 22. In the area of ​​the retaining device 28, the base body 22 has a smaller thickness d than in the area of ​​the outer edge 24. The thickness of the removable protective cover 29 is selected such that, in the illustrated state of the tying hole cover 21, its total thickness in the area of ​​the retaining device 28 is approximately equal to or slightly greater than the thickness D of the tying hole cover 21.

[0055] The outer edge 24, which is thicker than the other areas of the bung hole cover device 21, forms a frame that stabilizes the bung hole cover device 21 and, in particular, enables easy handling of the bung hole cover device 21 when positioning it on the wall and removing it from the wall.

[0056] The thickness D of the tying hole cover device 21 is in this example 60 µm to 150 µm, in particular 85 µm to 110 µm, which provides a stable frame in the area of ​​the outer edge 24.

[0057] The thickness d of the base body 22 of the binding hole cover device 21 is in this example 15 µm to 30 µm, in particular 20 µm, which makes this area particularly flexible, but at the same time has enough resistance to mechanical and / or chemical stresses.

[0058] The flat base body 22 is made of polypropylene (PP).

[0059] The tying hole cover device 21 is used in particular for carrying out a method for closing a tying hole in a component, e.g. in a cast wall, as is described in detail below.

[0060] In Figure 5Figure 51 shows a bung hole cover setting device 51 according to the invention for mounting a bung hole cover device 21 on a wall. The bung hole cover setting device 51 has a handle 52 for easy handling. Furthermore, an alignment mandrel 56 and a receiving unit 58 for receiving several bung hole cover devices 21 are provided. For this purpose, the receiving unit 58 comprises a magazine unit in which the several bung hole cover devices 21 are arranged. A sliding device 54 for mounting a bung hole cover device 21 is also provided, wherein the sliding device 54 is spring-loaded.

[0061] To position a tie-hole cover device 21 on a component, the alignment mandrel 56 is inserted into the unfilled tie-hole 11. During the insertion of the alignment mandrel 56, the tie-hole cover device setting tool 51 is aligned for precise positioning of the tie-hole cover device 21.

[0062] If the tying hole cover 21 has a removable protective cover 29, this is removed at this point. Using the sliding device 54, the tying hole cover 21 to be installed is now advanced in the feed direction V – here against the spring force – until the tying hole cover 21 is positioned on the area 14 of the wall surrounding the tying hole 11. Due to the spring force, the sliding device 54 is moved back to its starting position without any load on the user.

[0063] The direction of action of the spring force can also be oriented such that the spring force acts on the binding hole cover device 21 when it is arranged, thus pressing it against the wall surface when it is arranged.

[0064] This process is then repeated at the next lashing hole 11 until all lashing hole cover devices 21 are applied to the magazine unit. The receiving unit 58 is advantageously arranged on the lashing hole cover device setting device 51 such that a used receiving unit 58 can be easily replaced by a receiving unit 58 filled with several lashing hole cover devices 21. For this purpose, a mechanical coupling, e.g., a bayonet fitting, is provided.

[0065] The bung hole cover device setting tool 51 and the bung hole cover devices 21 form a set.

[0066] In the Figures 4a to 4e The inventive method for closing a tie hole 11 in a component, here in a cast wall, is shown in five partial steps.

[0067] Figure 4aFigure 1 shows the tie hole 11 and the area 14 of the wall surrounding the tie hole 11 after the support cone has been removed. As a pretreatment, the area 14 of the wall surrounding the tie hole 11 is dry-dusted.

[0068] Then (see Figure 4b A lashing hole cover 21 is positioned around the lashing hole 11 on the wall. For this purpose, the protective cover 29 of the lashing hole cover 21 is first removed so that the adhesive layer, acting as a holding device 28, can fix the lashing hole cover 21 to the area 14 of the wall surrounding the lashing hole 11. Due to the frame formed by the thickened outer edge 24, the lashing hole cover 21 exhibits high stability and can be positioned easily and precisely.

[0069] Before filling the binding hole 11, the surface 12 of the binding hole 11 is pretreated (see Figure 4c), here mechanically processed. The arranged tie hole cover device 21 protects the area 14 of the wall surrounding the tie hole 11 from damage and discoloration.

[0070] Now the binding hole 11 is filled with a filling material (see Figure 4d ), here with a rapid-setting mortar PCI Repament®< Multi from Sika®< . The arranged tie hole cover device 21 protects the area 14 of the wall surrounding the tie hole 11, in particular from discoloration.

[0071] The tying hole is filled at least partially using a piping bag, with the filling of the tying hole 11 being carried out in several stages.

[0072] The filled tie hole 11 is advantageously smoothed, with the arranged tie hole cover device 21 continuing to protect the area 14 of the wall surrounding the tie hole 11 from damage and discoloration.

[0073] The outer surface 13 of the filled tie hole 11 is treated before the tie hole cover is removed, in particular adapted to the structure and / or color of the area 14 of the wall surrounding the tie hole 11.

[0074] Once the desired result has been achieved, the binder hole cover device 21 is removed ( Figure 4e ).

[0075] The inventive method and the previously described inventive hole-covering device 21 and the previously described inventive hole-covering device-setting device 51 also enable a semi-skilled person to be used to fill a hole 11 while ensuring, in particular, the highest optical requirements.

[0076] Although the invention is illustrated and described in detail by means of the figures and the accompanying description, this illustration and detailed description are to be understood as illustrative and exemplary and not as limiting the invention. It is understood that those skilled in the art may make modifications and adaptations without departing from the scope of the following claims. In particular, the invention also includes embodiments with any combination of features mentioned or shown above with regard to various aspects and / or embodiments.

[0077] The invention also includes individual features shown in the figures, even if they are shown there in conjunction with other features and / or are not mentioned above. Furthermore, the term "comprises" and derivatives thereof does not exclude other elements or steps. Likewise, the indefinite article "a" or "an" and derivatives thereof does not exclude a plurality. The functions of several features listed in the claims can be fulfilled by a single unit. The terms "essentially," "approximately," "about," and the like, in conjunction with a property or value, also define precisely that property or value. All reference numerals in the claims are not to be understood as limiting the scope of the claims. Reference symbol list

[0078] 1 formwork element 5 Formwork spacer 6 Spacer tube 7 Support cone 8 Threaded rod 9 Tension nut ASpacing 1 / 1 HCavity 11 Binding hole 12 Surface of 11 13 Outer surface of filling 14 The area surrounding the binding hole (11) 21 Binding hole cover device 22 Base body 23 Outer side of 22 24 Outer edge 26 Binding hole rim opening 28 Holding device 29 Protective cover Thickness at 28 Thickness at 24 51 Binding hole cover device setting tool 52 Handle 54 sliding device 56Oriented Cathedral 58 recording unit for 21 Feed direction

Claims

1. Method for closing a tie hole (11) in a component, characterized by, a) Arranging a tying hole cover device (21) around the tying hole (11) of the component; b) filling the tying hole (11) at least partially with a filling material; and c) removing the tying hole cover device (21) from the component.

2. Method according to claim 1, characterized by the fact that before step a) the area (14) of the component surrounding the binding hole (11) is pretreated.

3. Method according to claim 1 or 2, characterized by the fact that the tying hole (11) is filled at least partially using a piping bag.

4. Method according to any one of claims 1 to 3, characterized by the fact that The filling of the binding hole (11) is carried out in several stages.

5. Method according to any one of claims 1 to 4, characterized by the fact that the filled binding hole (11) is smoothed.

6. Method according to any one of claims 1 to 5, characterized by the fact thatthe surface (12) of the binding hole (11) is pretreated before the binding hole (11) is filled.

7. Method according to any one of claims 1 to 6, characterized by the fact that the outer surface (13) of the filled tying hole (11) is treated before the removal of the tying hole cover device (21; step c)), in particular to the structure and / or color of the area (14) surrounding the tying hole (11) of the component.

8. Binding hole cover device (21) for arrangement on a component with a flat base body (22) having a binding hole rim opening (26), and with at least one holding device (28) for holding the binding hole cover device (21) on the component, wherein the at least one holding device (28) is provided in particular at least partially on the flat base body (22).

9. Binding hole cover device according to claim 8, characterized by the fact that which includes at least one holding device (28) and at least one adhesive layer.

10. Binding hole cover device according to claim 8 or 9, characterized by the fact that at least one removable protective cover (29) on which at least one holding device (28) is provided.

11. Binding hole cover device setting device (51) for arranging a binding hole cover device (21) according to one of claims 8 to 10 on a component with an alignment mandrel (56) for insertion into the unfilled binding hole (11) and a receiving unit (58) for receiving at least one binding hole cover device (21).

12. Binding hole cover device setting device according to claim 11, characterized by the fact that the receiving unit (58) comprises at least one magazine unit for receiving several tying hole cover devices (21).

13. Binding hole cover device setting device according to claim 11 or 12, characterized by the fact that a sliding device (54) is provided for arranging a tie hole cover device (21), wherein the sliding device (54) is advantageously spring-loaded.

14. Set comprising a tying hole cover device setting device (51) according to one of claims 11 to 13 and at least one tying hole cover device (21) according to one of claims 8 to 10.

15. Use of a tying hole cover device (21) according to one of claims 8 to 10 for carrying out the method for closing a tying hole (11) in a component according to one of claims 1 to 7.

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