EP3519641A1

EP3519641A1 - Connecting device for connecting thin-walled finished parts and finished parts equipped therewith

Info

Publication number: EP3519641A1
Application number: EP17780984.5A
Authority: EP
Inventors: Benjamin KROMOSER
Original assignee: Universitaet fuer Bodenkultur Wien BOKU
Current assignee: Universitaet fuer Bodenkultur Wien BOKU
Priority date: 2016-09-30
Filing date: 2017-09-28
Publication date: 2019-08-07
Anticipated expiration: 2037-09-28
Also published as: AT519093A4; WO2018058166A1; ES2847211T3; EP3519641B1; AT519093B1

Abstract

The invention relates to a connecting device (1, 20, 30, 40, 50, 60) for connecting thin-walled finished parts (11) made from a pourable and curable material (12). The connecting device (1, 20, 30, 40, 50, 60) has at least one connecting element (3), an edge protection element (2), which lies at least partly along an end face (13) of the finished part (11), the at least one connecting element (3) extending from the edge protection element (2), and at least one anchor element (4), which extends from the edge protection element (2). The edge protection element (2), the anchor element (4), and the connecting element (3) are formed as a single piece.

Description

Connecting device for connecting thin-walled finished parts and finished parts equipped therewith

The invention relates to a compound s device for connecting thin-walled finished parts made of a castable and curable material, wherein the connecting device has at least one connecting element.

The invention further relates to thin-walled finished parts with connection s devices.

Finished parts made of a castable and hardenable material, such as concrete, have the advantage that they can be produced in the precast plant with very high production accuracy, in very good quality and regardless of the weather. Stainless reinforcements, such as fine stainless steel reinforcement or delicate textile reinforcing elements made of carbon, alkali-resistant glass fibers or basalt fibers allow the reduction of the concrete cover and thus a reduction of the component thickness, which allows a resource-efficient use of the building material. Finished parts manufactured in the precast plant are then delivered to the construction site and assembled to form building structures. A particular challenge is the connection of such thin-walled finished parts.

For the connection of thin-walled prefabricated components, reinforced grout joints are frequently used, which have proven to be reliable in practical application in terms of mechanical strength. The disadvantage, however, is that on the construction site, a further Vergussvorgang, ie an additional formwork and grout are required. This leads to further work steps and costs that weaken the potential of precast construction.

On the other hand, systems have been developed for joining thin-walled prefabricated parts which either are not adapted to the thin-walled prefabricated parts or have proven unfit in practical use. In the case of adhesive bonds, for example, it is problematic that the joints can not be reinforced. The performance of adhesive bonds depends strongly on the substrate preparation, the processing conditions and the processing. This has the consequence that high security is required and the performance of the thin-walled finished parts can not be fully utilized. The connection of thin-walled finished parts, based on built-in parts of different materials, mainly metal or fiber composite plastics, such as carbon, alkali-resistant glass fibers or basalt fibers, has the advantage that these materials can already be installed in the precast plant and rapid assembly on the Allow construction site. However, the systems developed so far are either not suitable for thin-walled finished parts or have not yet matured for a practical application.

The documents DE 198 35 900 AI and DE 10 2012 223 279 AI disclose each compound s devices for connecting prefabricated walls. In this case, parts of the connection s devices are poured into the precast wall, wherein the compound s devices are located in recesses of the precast walls. These connection s devices have the disadvantages that they are not suitable for thin-walled finished parts and that the remaining joints and recesses must be additionally shed after connection.

The invention has for its object to provide a connecting device for connecting thin-walled finished parts made of a castable and curable material available, in which the number of steps and the effort is reduced on the site.

This object is achieved by a compound s device for connecting thin-walled finished parts of a castable and curable material.

The connection s apparatus for connecting thin-walled finished parts made of a castable and curable material, wherein the connecting device has at least one connecting element, is characterized by an edge protection element fitting at least partially along an end face of the finished part, wherein the at least one connecting element extends from the edge protection element, and at least one anchor member extending from the edge protection member, wherein the edge protection member, the anchor member and the connecting member are integrally formed.

If the connection according to the invention is already installed in the precast plant in the thin-walled prefabricated parts, these can be quickly and easily connected on the construction site, wherein no additional formwork or no subsequent encapsulation is required. Since the edge protection element, the anchor element and the connecting element are integrally formed, the manufacture of the compound s device according to the invention is simplified and the load transfer and forwarding is improved.

Suitably, the connecting element and the anchor element extend substantially parallel to one another. The connection s device can be made very flat, which is advantageous for thin-walled finished parts. In addition, parallel tensile and compressive forces along the connecting element and / or the anchor element are derived.

The anchoring element preferably has toothed elements, with the toothed elements extending transversely, preferably substantially orthogonally, from the anchoring element. Since, for example, thin-walled concrete is particularly sensitive to punctual loads, this advantageously enables a uniform load introduction of the connection s device into the thin-walled prefabricated part.

In a preferred embodiment, the anchor element is formed from at least one plate, whereby the load introduction into the thin-walled finished part is particularly uniform. Appropriately, in this case, the anchor element is formed from a plate which extends from a central region of the anchor element.

In an expedient alternative, the anchor element is formed from two substantially parallel plates and the toothed elements, wherein the plates extend from opposite edges of the edge protection element in the same direction. As a result, the front side and the surfaces of the finished part against which the edge protection element rests are advantageously partially or completely protected.

In an expedient alternative, the anchor element is formed from a plurality of elongate elements which extend from the edge protection element. Advantageously, the elongate elements extend in several, preferably substantially parallel, planes from the edge protection element, whereby the load introduction into the thin-walled finished part is particularly uniform.

In an expedient alternative, the anchor element is formed from the two plates, the tooth elements and the plurality of elongated elements. As a result, a particularly uniform load transfer is made possible in the thin-walled finished part. In addition, partially or completely, the front side and the surfaces of the finished part, which rests against the edge protection element protected.

The anchoring element expediently has a cuboid installation volume, wherein a ratio of height of the installation volume to width of the installation volume and / or height of the installation volume to length of the installation volume is at most 10 to 100, preferably at most 5 to 100. As a result, the advantage is obtained that the connection s device according to the invention is particularly suitable for thin-walled finished parts.

The edge protection element expediently has a length which is at least five times, preferably at least ten times, the height of the edge protection element.

In a preferred embodiment, the connecting element is designed as an angle profile with a first leg, which extends from the edge protection element, and a second leg, which is substantially parallel to the edge protection element. In this way, a connection device is provided, which can advantageously be loaded under pressure and aligns itself automatically when the finished parts are connected.

In an alternative preferred embodiment, the connecting element is designed as an elastically deformable hook element. In this way, a connection device is provided, which can advantageously be loaded with tension and aligns itself automatically when the finished parts are connected.

In an alternative preferred embodiment, the connection devices consist of a set of two connection devices, wherein the connection element of the first connection s device is formed from two plates substantially parallel to each other and the connection element of the second connection component comprises a plate which is inserted between the plates of the first connection s device is inserted and which preferably has a same length as the plates of the first connection s device. In this way, a connection device is provided, which can advantageously be loaded under pressure and aligns itself automatically when the finished parts are connected.

In an alternative preferred embodiment, the connection s device comprises a set of two connection devices, wherein the connection element of the first connection s device comprises a slot-shaped recess, and wherein the connection element of the second connection component comprises a plate which in the slot-shaped recess of the first connection s device is insertable and the preferably has a same length as the slot-shaped recess. In this way, a connection device is provided, which can advantageously be loaded under pressure and aligns itself automatically when the finished parts are connected. Furthermore, the advantage is obtained that the finished parts can be connected completely joint-free and flush with each other.

Alternatively, the edge protection element of the second connection s device is designed as an angle profile. As a result, a corner connection of two connection devices or finished parts can advantageously be provided.

In an alternative preferred embodiment, the connection s device comprises a set of two connection devices, wherein the connection element of the first connection s device as an angle profile with a first leg which extends from the edge protection element, and a second leg which is substantially parallel to the edge protection element, is formed, and wherein the connecting element of the second connection s device is designed as a square hollow profile with a, substantially parallel to the edge protection element groove between the hollow profile and edge protection element, preferably the depth of the groove and the length of the second leg are equal. In this way, a connection device is provided, which is advantageously loadable on pressure and tension and aligns automatically when connecting the finished parts. Furthermore, the advantage is obtained that the finished parts can be connected completely without joints.

Alternatively, the connecting element of the second connection s device is designed as a square hollow profile with a, for edge protection element substantially orthogonal, half-way open groove. As a result, a corner connection of two connection devices or finished parts can advantageously be provided.

Suitably, the connecting element has at least one opening for a connecting means. In this way, a connection s device can be provided, which is advantageous to train and pressure and to a certain extent resilient to bending. Thus, two inventive compound s devices can advantageously form a positive and non-positive connection for the transmission of tensile forces, compressive forces and partially bending moments.

Suitably, a thin-walled finished part of a castable and curable material is provided, which already has at least one inventive compound s device, wherein the thin-walled finished part has a thickness in the range of half Centimeters to twelve centimeters, preferably in the range of one centimeter to four centimeters. The finished parts according to the invention can be delivered directly to the site and connected there quickly and easily.

In a preferred embodiment, a height of the edge protection element of the connection s device corresponds at least to the thickness of the finished part in the region of an end face of the finished part against which the edge protection element rests. As a result, the entire height of the end face of the finished part is advantageously protected and the connecting means of the adjacent finished part can rest directly on the edge protection element.

In a particularly preferred embodiment, the edge protection element of the connection s device is formed in one piece and lies completely along the front side. As a result, the entire height and the entire length of the end face of the finished part is advantageously protected and the connecting means of the adjacent finished part can rest directly on the edge protection element over the entire length of the end face. The connecting device with such an edge protection element expediently forms part of a formwork for producing the thin-walled finished part. As a result, a method for producing the thin-walled finished part is advantageously simplified.

Suitably, the anchor element is completely cast in the finished part. As a result, thin-walled finished parts can be produced with flat surfaces.

Suitably, the finished part of concrete, ice or plastic is formed. These materials are particularly easy to pour and cure.

The invention is described below by way of non-limiting embodiments with reference to the drawings. In the schematic drawings show

Fig. 1 is a perspective view of a connecting device according to a first

Embodiment;

FIG. 2 shows a perspective view of the connection s device according to FIG. 1; FIG.

3 shows a perspective view of the connecting device according to FIG. 2, wherein the connecting device is cast in a thin-walled finished part;

4A in a cross-section two connecting devices according to FIG. 3 in dissolved

Status; 4B in a cross section two connecting devices according to FIG 3 in the connected state.

5 shows a perspective view of a connecting device according to a second embodiment;

Fig. 6 is a perspective view of two compound s devices of FIG. 5 in the connected state, each connecting device in a thin-walled

Finished part is poured;

7 shows a perspective view of a set of two connecting devices according to a third embodiment in the released state;

FIG. 8 shows a perspective view of the connecting devices according to FIG. 7, wherein each connecting device is cast in a thin-walled prefabricated part; FIG. FIG. 9 is a perspective view of the connection s devices according to FIG. 7 in the connected state; FIG.

10 is a perspective view of the connecting devices according to FIG. 9, wherein each connecting device is cast in a thin-walled finished part; 11 is a perspective view of a set of two connection s devices according to a fourth embodiment in a released state;

Fig. 12 is a perspective view of the compound s devices of Figure 11, wherein each connecting device is cast in a thin-walled finished part. 13A in a cross section a set of two connection s devices according to a fifth embodiment in a released state;

FIG. 13B shows in a cross-section the set of two connecting devices according to FIG. 13A in the connected state; FIG.

14A shows in a cross section the set of two connecting devices according to FIG. 13A and designed as a corner joint;

FIG. 14B is a cross-section of the set of two connection devices according to FIG. 13B and designed as a corner connection; FIG.

15 is a perspective view of a set of two connecting devices according to a sixth embodiment in a dissolved state.

16 shows a perspective view of the set of two connecting devices according to FIG. 15 in the connected state, wherein each connection s device is cast in a thin-walled prefabricated part;

FIG. 17 is a cross-section of the set of two connection devices according to FIG. 16; FIG. FIG. 18 is a cross-section of the set of two connecting devices according to FIG. 16 and designed as a corner joint; FIG. In the following, a connecting device 1 according to the invention in six different embodiments with reference to Figures 1 to 18 will be described in more detail. Similar or similar elements of different configurations, which elements perform substantially the same technical function, are denoted by the same reference numerals or replaced by more specific elements with specific reference numbers. Individual elements of an embodiment are - if technically meaningful - interchangeable or combinable with other elements of other configurations.

FIG. 1 shows the connecting device 1 according to a first embodiment. The connection s device 1 has an edge protection element 2. Furthermore, the connection s device 1 has a connecting element 3, which extends from the edge protection element 2, as well as an anchor element 4, which also extends from the edge protection element 2. The connecting element 3 and the anchor element 4 are integrally formed from two mutually substantially parallel plates 5 and integrally with the edge protection element 2, wherein the plate 5 of the connecting element 3 has the shape of an angle profile. The plates 5 extend from a central region 6 and from opposite sides 7 of the edge protection element 2 substantially within the same plane. The plates 5 are substantially orthogonal to the edge protection element 2. This embodiment is advantageous if forces, in particular tensile forces or compressive forces, in the direction of the connecting element 3 and / or the anchor element 4 or substantially parallel to be transmitted. The connecting element 3 has openings 8 for a connecting means. The anchor element 4 has toothed elements 9, which extend substantially orthogonally from the anchor element 4. Alternatively, the toothed elements 9 can also extend transversely from the anchor element 4.

Alternatively, the connecting element 3 and the anchor element 4 may extend in different parallel planes substantially orthogonal to the edge protection element 2.

Alternatively, the connecting element 3 and the anchor element 4 may extend transversely from opposite sides 7 of the edge protection element 2 onto the edge protection element 2 and substantially within the same plane. This can be advantageous if the forces to be transmitted extend primarily transversely to the edge protection element 2, in the direction of the connection element 3 and / or the anchor element 4 or substantially parallel thereto. Alternatively, the connecting element 3 and the anchor element 4 may extend substantially orthogonal to each other, for example, in the case of a corner joint of two connection s devices 1, which will be described in more detail below.

Furthermore, it is conceivable that the connecting element 3 and the anchor element 4 extend in different directions, both of which lead away from the same side 7 of the edge protection element 2, for example, when a connection of two connection s devices 1 at an acute angle, ie an angle which is less than 90 Angular degree is to be allowed.

Alternatively, "only" the edge protection element 2 and the anchor element 4 may be integrally formed.This may be advantageous if the edge protection element 2 and the anchor element 4 integrated in a previous process step, for example, poured, and the connecting element 3 in a subsequent process step on the anchor element 4 attached, for example screwed or welded, is.

Figure 2 shows the connection s device 1 according to the first embodiment, wherein the plate 5 of the connecting element 3 is designed as compared to Figure 1 mirrored angle profile and the toothed elements 9 additionally anchor anchorages 10 have. These have the advantage that possible transverse tensile stresses generated by the connecting element 3, which can lead to splitting of the castable and curable material 12, can be absorbed and thus prevent splitting. If, as shown in Figure 3, the connecting device 1 is cast with the anchor element 4 in a thin-walled finished part 11 of a castable and curable material 12, the anchor end anchorages 10 form a flush termination with the surface 18 of the finished part 11. The toothed elements 9 are thus poured flush into the finished part 11. Due to the inventive number of introduced toothing elements 9 at regular distances according to the invention, for example 5 to 20 centimeters, advantageously peak voltages are reduced within the finished part 11.

Alternatively, the toothing elements 9 and / or the anchor end anchors 10 may also be cast completely into the finished part 11, wherein the toothed elements 9 and / or the anchor end anchors 10 are not visible. As a result, thin-walled finished parts 11 with flat surfaces 18 can be produced. Alternatively, the toothed elements 9 can also be partially cast into the finished part 11, wherein each toothed element 9 has a projection. As a result, the toothing elements 9 can be manipulated from the outside or serve as a decorative element. According to the first embodiment, the connecting element 3 is formed as an angle section with a first leg 15 and a second leg 16 which is substantially parallel to the edge protection element 2. The edge protection element 2 is integrally formed along an entire length 19 of the finished part 11 and lies completely along an end face 13 of the finished part 11 on the finished part 11 at. The height of the edge protection element 2 corresponds to the thickness 17 of the finished part 11. Thus, the entire end face 13 of the finished part 11 is advantageously protected by the edge protection element 2.

If, according to FIG. 4A, two thin-walled finished parts 11, in which a connection s device 1 according to the invention is integrated, in particular cast, are aligned along their end faces 13, they can be connected to one another according to FIG. 4B. Here, the two finished parts 11 are rotated 180 degrees to each other or the connection s devices 1 mirror-integrated, in particular cast. When the two finished parts 11 are brought together, the first legs 15 of the two connecting elements 3 overlap one another and the second legs 16 automatically align themselves with the edge protection elements 2 of the respectively other connecting device 1 and abut against these edge protection elements 2 in a connected state. Furthermore, in the connected state, the openings 8 of the connecting elements 3 are connected to connecting centers 14, for example screwed connections. The two connection s devices 1 for connecting thin-walled finished parts 11 of a castable and curable material 12 thus form a positive and non-positive connection for the transmission of tensile forces, compressive forces and partially bending moments.

Alternatively, the connecting elements 3 have no openings 8 and are not connected to connecting centers 14. The two connection s devices 1 for connecting thin-walled finished parts 11 of a castable and curable material 12 then form a positive connection for the transmission of compressive forces.

Alternatively, the edge protection element 2 is not completely along the end face 13 of the finished part 11 and / or its height is not completely equal to the thickness 17 of the finished part 11. In this case, in the connected state, the second leg 16 of the two connecting elements 3 may be partially against the edge protection elements 2 and / or partially on the end faces 13 of the finished parts 11.

Figures 5 and 6 show a connecting device 20 according to a second embodiment. In essence, the second embodiment of the first embodiment, with the difference that the connecting element 3 is designed as an elastically deformable hook element 21.

Two thin-walled finished parts 11, into which a connecting device 20 according to the invention is integrated, in particular cast in, can be connected to one another along their end faces 13 according to FIG. Here, the two finished parts 11 are rotated by 180 degrees to each other or the connection s devices 20 are rotated by 180 degrees to each other integrated, in particular cast. The anchor element 4 is formed as a plate and extends from an edge 22 of the edge protection element 2. When merging the two finished parts 11 overlap the two hook elements 21 and deform elastically until they interlock in a connected state. The two connection s devices 20 for the connection of thin-walled finished parts 11 of a castable and curable material 12 thus automatically form a positive connection for the transmission of tensile forces, which prevents the moving away of the finished parts 11 in a row.

Alternatively, additional openings 8 can be introduced into the connecting elements 3, which are connected in the connected state with connecting means 14, for example screw connections.

FIGS. 7 to 10 show a connecting device 30 according to a third embodiment. In contrast to the first two embodiments, the anchor element 4 is formed from a plurality of elongate elements 31 which extend in two, preferably substantially parallel planes 32 and 33 from the edge protection element 2. Alternatively, the elongated elements 31 may extend in one plane or in more than two planes from the edge protection element 2. The connecting element 3 of the connection s device 30 consists either of two mutually substantially parallel plates 34 or of a plate 35 which is insertable between the two plates 34 and preferably has the same length as the two plates 34. In addition, openings 8 are made in the plates 34 and 35.

Two thin-walled finished parts 11, into which a connecting device 30 according to the invention is integrated, in particular cast in, can be connected to one another along their end faces 13 according to FIG. In this case, a finished part 11 always has a first connection s device 30, which has the connecting element 3 of the two mutually substantially parallel plates 34, and the other finished part 11 has a second connection s device 30, the connecting element 3 from the plate 35 has. When merging the two finished parts 11, the plate 35 is inserted between the two substantially parallel plates 34, wherein the parallel plates 34 and / or the plate 35 abut against the edge protection elements 2 in a connected state. In the openings 8 connecting means 14, such as screw, are introduced in the connected state. A set of two connecting devices 30 for connecting thin-walled finished parts 11 made of a castable and curable material 12 forms a positive and non-positive connection for the transmission of tensile forces, compressive forces and partially bending moments.

Figures 11 and 12 show a connection device 40 according to a fourth embodiment. In essence, the fourth embodiment of the third embodiment, with the difference that the anchor element 4 from the toothed elements 9, the elongated elements 31 and two mutually substantially parallel plates 41, extending from opposite edges 22 of the edge protection member 2 in the same direction extend, is formed. As a result, the end face 13 and the surfaces 18 of the finished part 11, against which the edge protection element 2 rests, are advantageously partially or completely protected. In the power transmission of the thin-walled finished parts 11 on the connection device 40 by means of the delicate armature elements 31 resulting in composite stresses that can lead to a splitting of the castable and curable material 12. The additional plates 41 hinder the transverse tensile stresses and prevent possible splitting. In addition, the toothed elements 9 form a connection and thus an additional stiffening element of the two plates 41 and prevent deformations resulting from the internal transverse pressure forces.

Two thin-walled finished parts 11, into which a connecting device 40 according to the invention is integrated, in particular cast in, can be connected to one another along their end faces 13. In this case, a prefabricated part 11 always has a first connecting device 40, which has a connecting element 3 of the two substantially parallel plates 34, and the other finished part 11 has a second connecting device 40, which has a connecting element 3 from the plate 35 , When merging the two finished parts 11, the plate 35 is inserted between the two substantially parallel plates 34, wherein the parallel plates 34 and the plate 35 abut against the edge protection elements 2 in a connected state. In openings 8 connecting means 14, such as screw, can be introduced in the connected state. A set of two connecting devices 40 for connecting thin-walled finished parts 11 of a castable and curable material 12 forms a shape and non-positive connection for the transmission of tensile forces, compressive forces and partially bending moments.

FIGS. 13A and 13B show a connection device 50 according to a fifth embodiment. The anchor member 4 is formed of the elongated members 31. The connecting element 3 of the connecting device 50 comprises either a slot-shaped recess 51 or a plate 52 which is insertable into the slot-shaped recess 51 and which has the same length as the slot-shaped recess 51. As a result, the finished parts 11 are completely joint-free and flush with each other.

Two thin-walled finished parts 11, into which a connecting device 50 according to the invention is integrated, in particular cast in, can be connected to one another along their end faces 13. In this case, a finished part 11 always has a first connection s device 50 which has a connection element 3 from the slot-shaped recess 51, and the other finished part 11 has a second connection device 50 which has a connection element 3 from the plate 52. When merging the two finished parts 11, the plate 52 is inserted into the slot-shaped recess 51, the plate 52 abuts in the connected state at the bottom of the slot-shaped recess 51. In addition, in the connected state, the two edge protection elements 2 of the connection s devices 50 abut each other. In openings 8, which are located in the slot-shaped recess 51 and the corresponding finished part 11 and in the plate 52, connecting means 14, such as screw, are introduced in the connected state. A set of two connecting devices 50 for connecting thin-walled finished parts 11 made of a castable and curable material 12 forms a positive and non-positive connection for the transmission of tensile forces, compressive forces and partially bending moments.

As shown in FIGS. 14A and 14B, the edge protection element 2 of the second connection s device 50 may be formed as an angle profile 53. In this way, a corner connection of two connecting devices 50 and / or finished parts 11 can be realized. If, however, a "conventional", planar connection is realized, the angle profile 53 allows additional protection around the edge and partly on the surface 18 of the finished part 11.

Figures 15 to 18 show a compound s device 60 according to a sixth embodiment. The anchor element 4 is formed from the elongated elements 31. The connecting element 3 of the connecting device 60 is either an angle profile 61 with a first leg 62 which extends from the edge protection element 2, and a second leg 63 which is substantially parallel to the edge protection element 2, or as a square hollow profile 64 with a groove 65 substantially parallel to the edge protection element 2 between the hollow profile 64 and edge protection element. 2 , wherein the depth of the groove 65 and the length of the second leg 63 are equal, formed. As a result, the connection s devices 60 or the finished parts 11 can be connected to each other completely without joints.

Two thin-walled finished parts 11, into which a connecting device 60 according to the invention is integrated, in particular cast in, can be connected to one another along their end faces 13. In this case, a finished part 11 always has a first connection s device 60 which has a connection element 3 from the angle profile 61, and the other finished part 11 has a second connection device 60 which has a connection element 3 from the hollow profile 64. When merging the two finished parts 11, the angle section 61 is partially slipped over the hollow section 64, wherein the second leg 63 of the angle profile 61 engages in the connected state in the groove 65 of the hollow section 64. In openings 8, which are introduced into the angle section 61 and the hollow profile 64, connection means 14, for example screw connections, can be introduced in the connected state. A set of two connection devices 60 for connecting thin-walled finished parts 11 made of a castable and curable material 12 forms a positive and non-positive connection for the transmission of tensile forces, compressive forces and partially bending moments.

As shown in FIG. 18, the square hollow profile 64 of the second connection s device 60 may be formed with a groove 65 which is substantially orthogonal to the edge protection element 2 and which is open on one side. In this case, the hollow profile 64 is rotated substantially at 90 degrees to the hollow profile 64 shown in Figure 17. In this way, a corner connection of two connecting devices 60 and / or finished parts 11 can be realized.

All conceivable and possible embodiments of the inventive compound s devices 1, 20, 30, 40, 50 and 60 may - regardless of the explicit configuration of the anchor element 4 - have an anchor element 4, which has a cuboid installation volume, wherein a ratio of height of the installation volume to width of the installation volume and / or height of the installation volume to length of the installation volume is not more than 10 to 100, preferably at most 5 to 100. The "installation volume" in this case corresponds to the maximum volume which the anchor element 4 after installation in another element, in particular in a finished part 11, claimed in this element by its outer dimensions, namely length, height and width.

All conceivable and possible embodiments of the inventive connection s devices 1, 20, 30, 40, 50 and 60 may - regardless of the explicit configuration of the edge protection element 2 - have an edge protection element 2, which has a length which is at least five times, preferably at least the Ten times, the height of the edge protection element 2 amounts.

By means of the above-described installation volume of the inventive connection s devices 1, 20, 30, 40, 50 and 60, such connection s devices 1, 20, 30, 40, 50 and 60 are suitable for integration into a thin-walled finished part 11 from a casting and curable material 12. "Thin-walled" in this case means that the thin-walled finished part 11, as shown for example in Figure 17, has a thickness in the range of half a centimeter to twelve centimeters, preferably in the range of one centimeter to four centimeters.

An inventive method for producing the thin-walled finished part 11 of a castable and curable material 12 comprises the following method steps:

Step in a first process, a formwork for the thin-walled finished part 11 is established. The connection s device 1, 20, 30, 40, 50 or 60 according to the invention can be used as part of the formwork, wherein it can advantageously correspond to the entire height of an end face 13 of the finished part 11, which height substantially the thickness 17 of the finished part 11 , and the entire length of this end face 13, which length may correspond substantially to the length 19 of the finished part 11 covers. Alternatively, the connecting device 1, 20, 30, 40, 50 or 60 according to the invention can form part of the formwork in the region of a plurality of end faces 13 of the finished part 11.

Step in a second process, the formwork with a castable and curable material 12, such as concrete, ice or plastic, poured out. The anchor element 4 and the anchor elements 4 are cast in the finished part 11, wherein the edge protection element 2 and the edge protection elements 2 abut on the / the end face (s) 13 of the finished part 11. The material 12 is then cured step in a third process. In a fourth method step, the thin-walled finished part 11 can be removed from the formwork. It should be noted that the anchoring element (s) 4 and / or the connecting means 3 and / or the toothed elements 9 of roughened, perforated and / or profiled thin strips, roughened or ribbed rods, tendons or plates, such as sheets or steel bars or fiber composite plastic rods are made, wherein the strips, rods, tendons or plates made of metal, in particular steel, plastic, fiber reinforced plastic, wood or a composite material of the aforementioned materials or materials exist.

It should further be mentioned that the connecting device 1, 20, 30, 40, 50 or 60 according to the invention or the method according to the invention can be used for producing a single or double curved shell from a plurality of thin-walled finished parts 11. The shell could for example be used as a tunnel element or as a roof for a building.

It should further be mentioned that the connecting device 1, 20, 30, 40, 50 or 60 according to the invention or the method according to the invention can be used for the production of normal or thick-walled finished parts, for example for the production of prefabricated walls or ceilings.

Claims

Claims:

1. Connection s device (1, 20, 30, 40, 50, 60) for connecting thin-walled finished parts (11) made of a castable and curable material (12), wherein the compound s device (1, 20, 30, 40 , 50, 60) has at least one connecting element (3), characterized by

an edge protection element (2) resting at least partially along an end face (13) of the finished part (11), the at least one connecting element (3) extending from the edge protection element (2), and

at least one anchor element (4) which extends from the edge protection element (2), wherein the edge protection element (2), the anchor element (4) and the connecting element (3) are integrally formed.

2. Connection s device (1, 20, 30, 40, 50, 60) according to claim 1, characterized in that the connecting element (3) and the anchor element (4) extend substantially parallel to each other.

3. connecting device (1, 20, 40) according to claim 1 or 2, characterized in that the anchor element (4) has toothed elements (9), wherein the toothed elements (9) transversely, preferably substantially orthogonally, of the anchor element ( 4) extend.

4. Connecting device (1, 20, 40) according to one of claims 1 to 3, characterized in that the anchor element (4) is formed from at least one plate (5).

5. Connection device (1) according to claim 4, characterized in that the anchor element (4) is formed from a plate (5) extending from a central region (6) of the edge protection element (2).

6. Connecting device (40) according to claims 3 and 5, characterized in that the anchor element (4) consists of two mutually substantially parallel plates (41) and the toothed elements (9) is formed, wherein the plates (41) of opposite Rims (22) of the edge protection element (2) extend in the same direction.

7. Connecting device (30, 50, 60) according to one of claims 1 to 3, characterized in that the anchor element (4) is formed of a plurality of elongate elements (31) extending from the edge protection element (2).

8. Connection s Device (30) according to claim 7, characterized in that the elongated elements (31) extend in a plurality of, preferably substantially parallel, planes (32, 33) from the edge protection element (2).

A connection device (40) according to claim 6 and claim 7 or 8, characterized in that the anchor element (4) is formed from the two plates (41), the toothed elements (9) and the plurality of elongate elements (31).

10. Connecting device (1, 20, 30, 40, 50, 60) according to one of claims 1 to 9, characterized in that the anchor element (4) has a cuboid installation volume, wherein a ratio of height of the installation volume to width of the installation volume and / or from the height of the installation volume to the length of the installation volume is not more than 10 to 100, preferably not more than 5 to 100.

11. Connecting device (1) according to one of claims 1 to 10, characterized in that the connecting element (3) as an angle section with a first leg (15) extending from the edge protection element (2), and a second leg (16) which is substantially parallel to the edge protection element (2) is formed.

12. Connecting device (20) according to one of claims 1 to 10, characterized in that the connecting element (3) is designed as an elastically deformable hook element (21).

13. Set of two connection devices (30, 40) according to one of claims 1 to 10, characterized in that the connecting element (3) of the first connection device (30, 40) is formed from two mutually substantially parallel plates (34) in that the connecting element (3) of the second connecting device (30, 40) comprises a plate (35) which is insertable between the plates (34) of the first connecting device (30, 40) and which is preferably of the same length as the plates (34) of the first connection device (30, 40).

14. Set of two connection devices (50) according to one of claims 1 to 10, characterized in that the connecting element (3) of the first connection device (50) comprises a slot-shaped recess (51), and in that the connecting element (3) of the second connection s device (50) comprises a plate (52) insertable into the slot-shaped recess (51) of the first connection s device (50) is and which preferably has a same length as the slot-shaped recess (51).

15. Set of two connection s devices (50) according to claim 14, characterized in that the edge protection element (2) of the second connection s device (50) is designed as an angle profile (53).

16 set of two compound s devices (60) according to one of claims 1 to 10, characterized in that the connecting element (3) of the first connection s device (60) as an angle section (61) with a first leg (62) extending from the edge protection element (2) and a second leg (63) which is substantially parallel to the edge protection element (2), and in that the connection element (3) of the second connection s device (60) is designed as a square hollow profile (64 ) is formed with a, for edge protection element (2) substantially parallel groove (65) between the hollow profile (64) and edge protection element (2), wherein preferably the depth of the groove (65) and the length of the second leg (63) are equal ,

17. Set of two connection s devices (60) according to claim 16, characterized in that the connecting element (3) of the second connection device (60) as a square hollow profile (64) with one, the edge protection element (2) substantially orthogonal, half-open Groove (65) is formed.

18. Connection s device (1, 20, 30, 40, 50, 60) according to one of claims 1 to 17, characterized in that the connecting element (3) has at least one opening (8) for a connecting means (14).

19. Connection s device (1, 20, 30, 40, 50, 60) according to one of claims 1 to 18, characterized in that the edge protection element 2 has a length which is at least five times, preferably at least ten times, the height of the Edge protection element 2 amounts.

20. Thin-walled finished part (11) made of a castable and curable material (12), comprising at least one connecting device (1, 20, 30, 40, 50, 60) according to one of claims 1 to 19, characterized in that the thin-walled finished part a thickness in the range of half a centimeter to twelve centimeters, preferably in the range of one centimeter to four centimeters, has.

21. Thin-walled finished part (11) according to claim 20, characterized in that a height of the edge protection element (2) of the connection s device (1, 20, 30, 40, 50, 60) at least the thickness (17) of the finished part (11) in the region of an end face (13) of the finished part (11) against which the edge protection element (2) bears.

22. Thin-walled finished part (11) according to claim 20 or 21, characterized in that the edge protection element (2) of the connecting device (1, 20, 30, 40, 50, 60) is integrally formed and completely along the end face (13).

23. Thin-walled finished part (11) according to claim 22, characterized in that the connection s device (1, 20, 30, 40, 50, 60) forms part of a formwork for producing the thin-walled finished part (11).

24. Connecting device according to one of claims 20 to 23, characterized in that the anchor element (4) is completely poured into the finished part (11).

25. Thin-walled finished part (11) according to one of claims 20 to 24, characterized in that the finished part (11) made of concrete, ice or plastic is formed.

26. A method for producing a thin-walled finished part (11) from a castable and curable material (12), comprising the method steps:

Erection of a formwork for the thin-walled prefabricated part (11),

Pouring out the formwork with a pourable and curable material (12),

Curing the castable and curable material (12),

Removing the thin-walled finished part (11); and

characterized in that

when erecting the formwork, a connection device (1, 20, 30, 40, 50, 60) according to one of claims 1 to 19 is arranged as part of the formwork.