DE202019103487U1 - Spreadable corner bracket - Google Patents

Abstract

Corner bracket (100) for angular connection, in particular for miter connection, a first hollow profile (200) and a second hollow profile (300), in particular for facades, roofs, windows, doors and the like, which has the following:
- a first corner angle element (10) with a first leg (11a) and a second leg (11b) arranged at least substantially at right angles to the first leg (11a);
- a second corner angle element (20) with a first leg (21a) and a second leg (21b) arranged at least substantially at right angles to the first leg (21a); and
- A connecting element (30) which is arranged between the first and the second corner angle element (10, 20) and has a first and a second expansion means (31, 32); wherein the corner bracket (100) can be received in the first and in the second hollow profile (200, 300) at least in regions, the first and second corner bracket elements (10, 20) each having a receiving area (12, 22) which corresponds to a leg transition area of the is assigned to the first leg (11a, 21a) and second leg (11b, 21b), the connecting element (30) being arranged between the first and second corner angle elements (10, 20) such that the connecting element (30) in the respective receiving area (12, 22) of the first and second corner angle elements (10, 20) is at least partially fixed or receivable in a positional manner, and wherein in a connected fixed state of the hollow profiles (200, 300) the first and second expanding means ( 31, 32) of the connecting element (30) are arranged between the first and second corner angle elements (10, 20), preferably driven in, that the first and second corner angle elements (10, 20) are spread apart in opposite directions.

Description

The present invention relates to a corner bracket for angular connection, in particular for miter connection, a first hollow profile and a second hollow profile, in particular for facades, roofs, windows, doors and the like.

It is generally known to use a corner connector to connect two hollow profiles in a corner region of a frame. As a rule, such a corner connector is designed as a two-part construction and has grooves and recesses into which an adhesive is introduced after the frame construction has been installed. The adhesive is transported to various areas of the frame construction via the cutouts, so that a firm connection is formed between the corner connector and the frame construction.

The DE 10 2014 014 768 A1 describes such a two-part corner connector, for example. The corner connector consists of a cover half and a corner connector half with an adhesive channel. The corner connector is pushed into the hollow profiles to be connected and then an adhesive is pressed into the construction via a filling opening made in one of the hollow profiles.

A disadvantage of these corner connectors, however, is that the corner connectors are only fixed to the hollow profiles via a material connection, the strength and durability of which, in contrast to non-positive and / or positive connections, depend significantly on the ambient conditions and weather conditions during and after installation. Furthermore, the application of the adhesive must be carried out with high precision and care must be taken to ensure that sufficient adhesive is introduced into the construction, so that sufficient strength and durability of the connection is ensured.

Another disadvantage of such corner connectors is that the adhesive is only introduced into the construction after the hollow profiles have been plugged together. It is therefore almost impossible to trace or check whether sufficient adhesive has been introduced into the construction and whether the introduced adhesive has also reached all relevant connection areas. Due to the lack of traceability, it is likely that either too little adhesive will be introduced into the construction, so that the strength and durability of the construction cannot be fully guaranteed, or that too much adhesive will be introduced, so that the assembly cannot be carried out economically.

The present invention is therefore based on the object of specifying a corner angle for angular connection, in particular for miter connection, a first hollow profile and a second hollow profile, and an arrangement with a first and a second hollow profile and a corner angle, which solve the problems mentioned above and Eliminate disadvantages of the prior art.

This object is achieved according to the invention by the subject matter of independent protection claim 1, advantageous developments of the corner angle according to the invention being specified in the corresponding dependent claims.

Accordingly, the corner angle according to the invention for angular connection, in particular for miter connection, a first hollow profile and a second hollow profile, in particular for facades, roofs, windows, doors and the like, is characterized in that the corner angle is a first corner angle element with a first leg and a second leg at least substantially at right angles to the first leg, a second corner element with a first leg and a second leg at least substantially at right angles to the first leg, and a connecting element which is arranged between the first and second corner elements and a has first and a second expansion means. The corner angle can be accommodated in the first and in the second hollow profile at least in regions. The first and the second corner angle element each have a receiving area which is assigned to a leg transition area of the first leg and the second leg. The connecting element is arranged between the first and second corner angle elements in such a way that the connecting element is received in a positionally fixed manner in the respective receiving area of the first and second corner angle elements. Furthermore, in a mutually fixed state of the hollow profiles, the first and second expansion means of the connecting element are arranged, preferably driven in, between the first and second corner angle elements such that the first and second corner angle elements are spread apart in opposite directions.

The object of the invention is achieved in a particularly advantageous manner with the corner angle according to the invention.

In a preferred embodiment of the corner angle according to the invention it is provided that the first leg and the second leg of the first and second corner angle elements each have a recess on a side surface, the receiving area of the first and second corner angle elements each being between the recess of the first leg and the recess of the second leg is formed.

The recesses made in the side surface of the corner angle elements are particularly advantageous, since this allows the spreading means to be arranged or driven in between the corner angle elements to spread the corner angle elements apart and thereby fix the hollow profiles to one another in a particularly simple manner.

According to an advantageous development of the corner angle according to the invention, one of the first and second expansion means of the connecting element is arranged in a non-fixed state of the hollow profiles between the first and second corner angle elements in a region of two mutually opposite recesses of the first and second corner angle elements.

The arrangement of the expansion means between two mutually opposite recesses provides particularly easy access to the expansion means, so that the expansion means can be driven in to spread apart the corner angle elements by an uncomplicated and quick assembly step and, in contrast to the prior art, the fixing of the hollow profiles is therefore not alone based on a material connection with the corner bracket.

In a further preferred embodiment of the corner bracket according to the invention it is provided that the connecting element has an at least substantially arrow-shaped shape with a shaft area and a first wing area and a second wing area, the expansion means being formed in each case at a distal end of the first and second wing areas.

In this way, a connecting element can be created in a particularly advantageous manner, which can be connected to the corner angle elements in a particularly simple manner and can be arranged in a fixed position relative to the latter. Furthermore, the configuration in the form of an arrow enables an optimal material distribution to be achieved, which ensures the necessary strength and stability of the connecting element and at the same time requires as little material as possible.

In a further preferred embodiment of the corner bracket according to the invention it is provided that the first and second expansion means are designed as expansion wedges.

Due to the design of the expansion means in the form of an expansion wedge, the expansion means can be arranged between the corner angle elements or driven in between them in a particularly simple manner and with relatively little effort. Furthermore, the wedge shape of the expansion means enables a very low-wear driving process, since the surfaces or edges of the corner angle elements can slide very easily on the inclined surfaces of the expansion wedge. In addition, the wedge shape allows the spreading means to be driven very precisely into the interface area of the corner angle elements without damaging the structure of the corner angle or making the driving-in process unnecessarily expensive.

According to an advantageous development of the corner angle according to the invention, the cutouts of the first and second legs are designed to accommodate means for aligning, driving in and / or deforming the expansion means, at least in regions.

In a further preferred embodiment of the corner angle according to the invention it is provided that the means for aligning and / or deforming the spreading means are a pin-shaped driving-in element, a punching knife and / or a punching knife with an adhesive punch.

As a result, the spreading means can be arranged or driven in in a particularly simple manner between the corner angle elements, so that a fitter can fix the hollow profiles in an uncomplicated assembly step.

According to an advantageous development of the corner angle according to the invention, the receiving area of the first and second corner angle elements each has a central web which is arranged between an inner corner and an outer corner of the respective corner angle element.

In a further preferred embodiment of the corner bracket according to the invention, it is provided that the receiving area of the first and second corner bracket elements has openings adjoining the central web, which are designed to receive complementary projections of the connecting element, which are formed on an upper side and a lower side of the connecting element .

Due to the openings adjoining the central web and the complementary projections of the connecting element, the corner bracket can be preassembled particularly quickly and easily. The individual elements of the corner bracket can be arranged in a simple stacking sequence. Furthermore, this configuration ensures that the elements of the corner angle can no longer move relative to one another and thus the precise alignment of all elements to one another, which is of great relevance during the subsequent fixing process in the hollow profiles. Thus, no additional fasteners have to be introduced into the corner bracket in order to align or connect the elements of the corner bracket in a positionally fixed manner before the corner bracket is inserted into the hollow profiles.

According to an advantageous development of the corner angle according to the invention, at least one of the two corner angle elements has a groove connecting the inner corner with the outer corner on at least one upper side and / or lower side of the central web.

In a further preferred embodiment of the corner angle according to the invention it is provided that the two legs of the corner angle elements each have at least one recess in the area of the outer corner.

According to an advantageous development of the corner bracket according to the invention, the groove and the at least one cutout are each designed to receive an adhesive medium, preferably an adhesive, particularly preferably a polyurethane adhesive or an epoxy adhesive.

Due to the special groove-shaped design of at least one central web of the corner angle elements in combination with the recesses of the corner angle elements in the area of the outer corner, an adhesive, which can be pressed into the hollow profile construction in addition to the spreading fixing of the corner angle, can be very easily and securely attached to the relevant connection points in Hollow angle construction can be performed. In this way, for the positive connection by spreading the corner angle elements apart, a material connection of the hollow profile construction can additionally be realized, which additionally increases the stability and strength and enables optimal load transfer from external loads (e.g. when the hollow profile construction is installed in a wall of a building).

In a further preferred embodiment of the corner bracket according to the invention it is provided that the first and the second corner bracket elements are formed from an extruded profile, the first and the second corner bracket elements having the same or a different thickness.

By using an extruded profile to produce the corner angle elements, the corner angle manufacturing process can be made particularly simple and, above all, very inexpensive. Extruded profiles are particularly simple and can be produced with a very individual design. By cutting the extruded profiles, corner angle elements with different thicknesses can be produced very quickly and in very large numbers, so that the corner angle can be easily adapted to the conditions and requirements of the hollow profiles and the manufacturing costs for the corner angle can be kept extremely low.

According to an advantageous development of the corner bracket according to the invention, the corner bracket elements and the connecting element are formed from a plastic or a metallic material, in particular from an aluminum alloy or a steel alloy.

Due to the individual choice of materials for the corner angle elements and the connecting element, the entire corner angle can be designed or designed particularly easily with regard to any static requirements. Different combinations of materials are possible, so that the spreading process of the corner bracket can be carried out optimally. It is also possible to provide the surfaces of the individual elements of the corner bracket with additional coatings in order, for example, to achieve a particularly simple sliding of the surfaces and / or edges of the corner bracket elements on the expanding means, in particular an expanding wedge, so that only a small amount is required to spread the corner bracket elements apart Force is necessary.

Advantageous embodiments of the device according to the invention are described in more detail below with reference to the accompanying drawings.

• 1 eine Explosionsansicht des Eckwinkels gemäß der vorliegenden Erfindung;
• 2 eine perspektivische Ansicht des Eckwinkels gemäß der vorliegenden Erfindung;
• 3 eine Schnittansicht einer Hohlprofilkonstruktion vor der Fixierung des Eckwinkels in den Hohlprofilen gemäß einer ersten Ausführungsform der vorliegenden Erfindung;
• 4 eine Schnittansicht eines Teilbereiches einer Hohlprofilkonstruktion in einem fixierten Zustand des Eckwinkels in den Hohlprofilen gemäß einer ersten Ausführungsform der vorliegenden Erfindung;
• 5a eine Schnittansicht einer Hohlprofilkonstruktion mit Isoliersteg vor der Fixierung des Eckwinkels in den Hohlprofilen gemäß einer ersten Ausführungsform der vorliegenden Erfindung;
• 5b eine Schnittansicht einer Hohlprofilkonstruktion mit Isoliersteg in einem fixierten Zustand des Eckwinkels in den Hohlprofilen gemäß einer ersten Ausführungsform der vorliegenden Erfindung;
• 6a eine Schnittansicht einer Hohlprofilkonstruktion vor der Fixierung des Eckwinkels in den Hohlprofilen gemäß einer zweiten Ausführungsform der vorliegenden Erfindung;
• 6b eine Schnittansicht einer Hohlprofilkonstruktion in einem fixierten Zustand des Eckwinkels in den Hohlprofilen gemäß einer zweiten Ausführungsform der vorliegenden Erfindung.

Show it:

• 1 an exploded view of the corner bracket according to the present invention;
• 2nd a perspective view of the corner bracket according to the present invention;
• 3rd a sectional view of a hollow profile construction before fixing the corner angle in the hollow profiles according to a first embodiment of the present invention;
• 4th a sectional view of a portion of a hollow profile construction in a fixed State of the corner angle in the hollow profiles according to a first embodiment of the present invention;
• 5a a sectional view of a hollow profile construction with insulating web before fixing the corner angle in the hollow profiles according to a first embodiment of the present invention;
• 5b a sectional view of a hollow profile construction with insulating web in a fixed state of the corner angle in the hollow profiles according to a first embodiment of the present invention;
• 6a a sectional view of a hollow profile construction before fixing the corner angle in the hollow profiles according to a second embodiment of the present invention;
• 6b a sectional view of a hollow profile construction in a fixed state of the corner angle in the hollow profiles according to a second embodiment of the present invention.

1 and 2nd show an exemplary embodiment of the corner angle according to the invention 100 for angled connection, in particular for miter connection, of a first hollow profile 200 and a second hollow profile 300 , in particular for facades, roofs, windows, doors and the like. 1 represents the corner angle 100 in an exploded view, so that the individual elements, which the corner angle 100 train together, are visible. 2nd shows the corner angle 100 as a whole device or unit in which it is in the first hollow profile 200 and the second hollow profile 300 can be inserted or inserted around the two hollow profiles 200 , 300 then connect to each other at an angle, especially with a miter, by means of an assembly step.

The first hollow profile 200 and the second hollow profile 300 are at least essentially structurally identical. The first hollow profile 200 has a horizontal extension direction and the second hollow profile in a state fixed to one another 300 a vertical direction of extension, or vice versa. A corner arrangement of both hollow profiles is thus in a fixed state with one another 200 , 300 mutually trainable (see 3rd ). The end areas of the hollow profiles 200 , 300 can be cut or chamfered in such a way that the two hollow profiles 200 , 300 have a miter, preferably a 45 ° miter. By connecting the hollow profiles 200 , 300 the contact surface of the two hollow profiles is mitred 200 , 300 enlarged, so that the stability of the construction is increased and the load-bearing properties of the construction are improved. Furthermore, the butt joint of both hollow profiles falls 200 , 300 due to the miter on an edge, so that it is less noticeable and thus the visual appearance of the hollow profile construction is increased.

As in 1 shown the corner angle 100 a first corner angle element 10th and a second corner bracket 20 on. The two corner bracket elements 10th , 20 are structurally at least essentially identical. Each of the corner bracket elements 10th , 20 has a first leg 11a , 21a and a second leg 11b , 21b on, with the first leg 11a , 21a and the second leg 11b , 21b of the first and second corner angle elements 10th , 20 are arranged at least substantially at right angles to one another, so that in each case a first leg 11a , 21a and a second leg 11b , 21b together an inner corner 15a , 25a and an outer corner 15b , 25b the corner angle elements 10th , 20 form. Each a corner bracket element 10th , 20 training first leg 11a , 21a and second leg 11b , 21b can be formed integrally or separately. In the case of a separate configuration of the legs 11a , 11b , 21a , 21b become the thighs 11a , 11b , 21a , 21b connected to each other via a positive, non-positive and / or material connection. In this context, for example, a combination of a plug or snap connection with an adhesive connection would be possible.

The corner bracket elements 10th , 20 have a leg transition area, the leg transition area being defined as an area in which the legs 11a , 11b , 21a , 21b , in particular end regions of the legs 11a , 11b , 21a , 21b , regardless of an integral or separate configuration, meet or meet at least essentially at right angles. The thigh transition area are the inner corner 15a , 25a and the outer corner 15b , 25b the corner angle elements 10th , 20 assigned. In a separate embodiment, this area corresponds at least essentially to a joint area of the respective legs 11a , 11b , 21a , 21b .

The leg transition area of each corner element 10th , 20 is a recording area 12th , 22 assigned or the respective corner angle element 10th , 20 shows this recording area 12th , 22 on. The recording area 12th , 22 the corner angle elements 10th , 20 extends at least substantially from the inner corner 15a , 25a to the outer corner 15b , 25b the corner bracket connector. Furthermore, the recording area 12th , 22 through one recess each 13a , 13b , 23a , 23b , each in a side surface of the first leg 11a , 21a and the second leg 11b , 21b , the outer corner of the corner bracket elements 10th , 20 forming side surfaces, is introduced, so that the receiving area as an at least substantially square area in the leg transition area of the first and second legs 11a , 11b , 21a , 21b of the first and second corner angle elements 10th , 20 is formed with an area diagonal, which extends from the inner corner 15a , 25a towards the outer corner 15b , 25b of the corner angle element 10th , 20 extends. The recesses 13a , 13b , 23a , 23b the corner angle elements 10th , 20 can be designed as a bore and / or as a threaded bore.

The recording area 12th , 22 the corner angle elements 10th , 20 each has a center bar 14 , 24th on which between the inner corner 15a , 25a and the outer corner 15b , 25b is arranged, accordingly along the surface diagonal of the recording area 12th , 22 extends. Each of the recording areas 12th , 22 each has two chamber-shaped openings 16a , 16b , 26a , 26b on which to the central web 14 , 24th are arranged laterally adjacent and completely along the thickness direction through the corner angle elements 10th , 20 extend through.

At least one of the corner bracket elements 10th , 20 also has at least one groove 40 on which can be arranged on an upper side and / or a lower side of the central web. The groove 40 connects the respective inner corner 15a , 25a with the respective outer corner 15b , 25b of the corner angle element 10th , 20 and thus extends completely along the central web 14 , 24th the corner angle elements 10th , 20 . The groove 40 has an at least essentially straight extension, but can also be in the form of a zigzag pattern or in any other curve shape along the central web 14 , 24th extend.

The thigh 11a , 11b , 21a , 21b the corner angle elements 10th , 20 also point in the area of the outer corner 15b , 25b at least one recess each 17a , 17b , 27a , 27b on. The cutouts 17a , 17b , 27a , 27b are on the same side surface as the recesses 13a , 13b , 23a , 23b are formed, arranged or formed. It is perfectly conceivable that the thigh 11a , 11b , 21a , 21b not just one of these recesses 17a , 17b , 27a , 27b have, but also several, one behind the other and separately arranged recesses 17a , 17b , 27a , 27b exhibit.

The groove 40 and the recesses 17a , 17b , 27a , 27b serve an adhesive medium, preferably an adhesive, particularly preferably a polyurethane adhesive (PU adhesive) or an epoxy adhesive (EP adhesive), after installation of the corner bracket 100 into the hollow profiles 200 , 300 and to transport or guide it to the appropriate gluing points or connection points. This creates one or more integral connections between the corner bracket 100 and the hollow profiles 200 , 300 be formed.

The corner bracket elements 10th , 20 can be formed or manufactured from an extruded profile, which according to the desired thickness of the corner angle elements 10th , 20 is cut. The thickness of the corner bracket elements 10th , 20 can either be the same or different, so that there is an individually designed corner angle 100 according to the requirements and dimensions of the hollow profiles to be connected 200 , 300 can be realized.

The corner angle 100 also has a connecting element 30th on, which can be designed as a fitting. The connecting element 30th is between the first and second corner angle element 10th , 20 arranged. The connecting element 30th has an at least substantially arrow-shaped shape with a shaft region 33 and a first and a second wing area 34a , 34b . The connecting element also has spreading means 31 , 32 on, which can each be designed as an expanding wedge. A different shape of the spreading means 31 , 32 is also conceivable. The spreading agent 31 , 32 are each at a distal end of the wing areas 34a , 34b of the connecting element 30th formed in such a way that a point defining the expanding means, in particular the expanding wedge, in a non-fixed state of the hollow profiles 200 , 300 in the direction of one of the arrowheads of the arrow-shaped connecting element 30th opposite end region of the shaft region 33 shows. The connecting element also has two projections on an upper side and on a lower side 35a , 35b , 36a , 36b which complement each of the two chamber-shaped openings 16a , 16b , 26a , 26b the corner angle elements 10th , 20 are formed and perpendicular to the respective top and bottom of the connecting element 30th extend from. The tabs 35a , 35b , 36a , 36b serve the connecting element 30th fixed in position in the two chamber-shaped recesses of the corner angle elements 10th , 20 to be arranged so that the connecting element 30th between the two corner bracket elements 10th , 20 is arranged and connects them together (see 2nd ).

According to the recesses 17a , 17b , 27a , 27b the corner angle elements 10th , 20 can also be the connecting element 30th on one side of each of the two wing areas 34a , 34b Recesses 37a , 37b have, which allow the absorption or transport of adhesives.

The corner bracket elements 10th , 20 and the connecting element 30th can also be formed from a plastic or a metallic material, in particular from an aluminum or a steel alloy. The connecting element 30th can be designed in particular as a plastic molding, but can also be designed in any other way. This allows the corner angle 100 individually design and lay out according to the static requirements and loads that affect the corner profile construction when installed (e.g. as a frame profile of a window in a wall of a building).

The 3rd to 6b show the fixing process of the hollow profiles by means of the corner angle 100 which in the angular, preferably at least substantially rectangular, hollow profile to be connected 200 , 300 (for example, hollow frame profiles), in particular for facades, roofs, windows, doors and the like, is inserted or inserted. Fixing or bracing the corner bracket 100 by spreading the corner angle elements apart 10th , 20 can be implemented in two different embodiments.

In 3rd becomes a first embodiment of the fixation of the hollow profiles 200 , 300 , especially the fixation of the corner bracket 100 in the hollow profiles 200 , 300 , shown. First, the corner angle 100 into the two hollow profiles 200 , 300 inserted. After the corner bracket 100 within the hollow profiles 200 , 300 is positioned and the hollow profiles 200 , 300 are thus at an angle to each other, through at least one opening, preferably at least one hole, which in an outer wall of each hollow profile 200 , 300 is introduced, a mounting device 400 , in particular a pin-shaped driving element. The openings of the hollow profiles 200 , 300 lie with the respective mutually assigned and opposite recesses 13a , 23a and 13b , 23b the corner angle elements 10th , 20 and an area between the mutually assigned and opposite recesses 13a , 23a and 13b , 23b , in which one of the first and second spreading means 31 , 32 of the connecting element 30th is arranged for cover. The assembly means is applied with force through the at least one opening of the hollow profiles 200 , 300 into the recesses 13a , 13b , 23a , 23b the corner angle elements 10th , 20 introduced and fixed there. The first and second spreading means 31 , 32 of the connecting element 30th which are in a region between mutually assigned and opposite recesses 13a , 23a and 13b , 23b are arranged and / or deformed or bent in such a way that the spreading means 31 , 32 , preferably in the form of expanding wedges, between the corner angle elements 10th , 20 arrange or be pressed in or pushed in between (see 4th ). The spreading agent 31 , 32 are deformed by at least substantially 90 ° to their original orientation. This will make the two corner bracket elements 10th , 20 , especially the thighs 11a , 11b , 21a , 21b the corner angle elements 10th , 20 , in opposite directions, preferably in opposite directions, which are orthogonal to an upper and / or lower side of the corner angle 100 stretch, spread apart. This will make the corner angle 100 , especially the corner angle elements 10th , 20 , against the inner walls of the hollow profiles 200 , 300 braced, so that a non-positive fixation or bracing of the corner bracket 100 in the hollow profiles 200 , 300 takes place, which is a loosening of the angularly connected hollow profiles 200 , 300 prevented from each other.

In addition, it is possible in a separate work step or at the same time as the expansion means are deformed 31 , 32 an adhesive through one or more additional openings in the hollow profiles 200 , 300 press into the construction. As already in relation to 1 the adhesive is written over the groove 40 and the recesses 17a , 17b , 27a , 27b , 37a , 37b transports to the desired connection points and fixes the corner bracket after curing 100 with the hollow profiles 200 , 300 . In addition to the non-positive connection, a material bond can be achieved, which has a positive influence on both the securing and the strength and stability of the corner profile construction.

As in the 5a and 5b can see the corner brackets 100 can also be used and fixed in a multi-part hollow profile construction. Fixing the corner bracket 100 in the hollow profiles 200 , 300 can be implemented both according to the first embodiment and according to the second embodiment, which is described below. In this context, two hollow profiles can be used 200 , 300 with each other over a corner bracket 100 are connected, which are additionally coupled to each other by means of an insulating web, so that frame structures for facades, roofs, windows, doors and the like can be realized with good thermal properties.

In the 6a and 6b becomes a second embodiment of the fixation of the hollow profiles 200 , 300 , especially the fixation of the corner bracket 100 in the hollow profiles 200 , 300 , shown. First, the corner angle is also here 100 into the two hollow profiles 200 , 300 inserted. After the corner bracket 100 within the hollow profiles 200 , 300 is positioned and the hollow profiles 200 , 300 thus aligned at an angle to each other, is a punch knife 500 to the outer wall of the hollow profiles 200 , 300 introduced. The punch knife 500 punches an area of the wall of the hollow profiles 200 , 300 from which corresponds to the openings of the hollow profiles 200 , 300 according to the first embodiment with respective mutually assigned and opposite recesses 13a , 23a and 13b , 23b the corner angle elements 10th , 20 and an area between the mutually assigned and opposite recesses 13a , 23a and 13b , 23b , in which one of the first and second spreading means 31 , 32 of the connecting element 30th is arranged, is in cover. The punched area of the hollow profiles 200 , 300 is then in the direction of the corner angle 100 formed or by the punch knife 500 bent that the Spreader 31 , 32 , preferably in the form of spreading wedges, between the corner angle elements 10th , 20 arrange or be pressed in or pushed in between. The spreading agent 31 , 32 are deformed by at least essentially 45 ° to their original orientation. This will make the two corner bracket elements 10th , 20 , especially the thighs 11a , 11b , 21a , 21b the corner angle elements 10th , 20 , as in the first case, in opposite directions, preferably in opposite directions, which are orthogonal to an upper and / or lower side of the corner angle 100 stretch, spread apart. This will make the corner angle 100 , especially the corner angle elements 10th , 20 , against the inner walls of the hollow profiles 200 , 300 braced, so that a non-positive fixation of the corner bracket 100 in the hollow profiles 200 , 300 takes place, which is a loosening of the angularly connected hollow profiles 200 , 300 prevented from each other.

In addition, it is also possible here in a separate work step or at the same time as the deformation of the expansion means 31 , 32 an adhesive through one or more additional openings in the hollow profiles 200 , 300 press into the construction. The corner angle is fixed in a simultaneous work step 100 using a punch knife with glue hole stamp 600 . During the stamping and forming process, a stamp is simultaneously made through the opening (s) in the wall of the hollow profiles 200 , 300 introduced into the construction via which adhesive into the groove 40 and the recesses 17a , 17b , 27a , 27b , 37a , 37b the corner angle elements 10th , 20 and the connecting element 30th is pressed.

In summary, the invention thus relates to a two-part expandable corner bracket 100 for angular connection of two hollow profiles 200 , 300 which with a connecting element 30th , in particular a plastic molding, is connected or guided and which can be pinned or punched. The connecting element 30th spreads by means of the connecting elements 30th trained spreading agent 31 , 32 , in particular expansion wedges, when penetrating a pin-shaped driving-in means or a punching knife 500 , 600 , in particular a punch tongue of the punch knife 500 , 600 , the two corner bracket elements 10th , 20 , especially the thighs 11a , 11b , 21a , 21b the corner angle elements 10th , 20 , apart, so that the corner angle elements 10th , 20 at least in some areas against the inner walls of the hollow profiles 200 , 300 be clamped and a non-positive connection with the hollow profiles 200 , 300 form.

The invention is not limited to the exemplary embodiments shown in the drawings, but rather results from an overview of all the features disclosed herein.

Reference list

10th

first corner bracket

11a, 11b

first and second leg of the first corner angle element

12th

Recording area of the first corner angle element

13a, 13b

Recesses of the first corner angle element

14

Center bar of the first corner angle element

15a, 15b

inner corner and outer corner of the first corner angle element

16a, 16b

Chamber-shaped openings in the receiving area of the first corner angle element

17a, 17b

at least one recess on the first leg and second leg of the first corner angle element

20

second corner bracket

21a, 21b

first and second leg of the second corner angle element

22

Recording area of the second corner angle element

23a, 23b

Recesses of the second corner angle element

24th

Center bar of the second corner angle element

25a, 25b

inner corner and outer corner of the second corner angle element

26a, 26b

chamber-shaped openings in the receiving area of the second corner angle element

27a, 27b

at least one recess on the first leg and second leg of the second corner angle element

30th

Fastener

31, 32

Spreader

33

Shank area of the connecting element

34a, 34b

first and second wing area of the connecting element

35a, 35b,

Projections on the top of the connector

36a, 36b

Projections on the underside of the connector

37a, 37b

at least one recess on the first or second wing area of the connecting element

40

Groove in the center bar of one of the two corner bracket elements

100

Corner bracket

200

first hollow profile

300

second hollow profile

400

pin-shaped driving element

500

Punch knife

600

Punching knife with glue hole stamp

QUOTES INCLUDE IN THE DESCRIPTION

This list of documents listed by the applicant has been generated automatically and is only included for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Patent literature cited

• DE 102014014768 A1 [0003]

Claims (16)

Corner bracket (100) for angular connection, in particular for miter connection, a first hollow profile (200) and a second hollow profile (300), in particular for facades, roofs, windows, doors and the like, which has the following: - a first corner angle element (10) with a first leg (11a) and a second leg (11b) arranged at least substantially at right angles to the first leg (11a); - a second corner angle element (20) with a first leg (21a) and a second leg (21b) arranged at least substantially at right angles to the first leg (21a); and - A connecting element (30) which is arranged between the first and the second corner angle element (10, 20) and has a first and a second expansion means (31, 32); wherein the corner bracket (100) can be received in the first and in the second hollow profile (200, 300) at least in regions, the first and second corner bracket elements (10, 20) each having a receiving area (12, 22) which corresponds to a leg transition area of the first leg (11a, 21a) and second leg (11b, 21b) is assigned, the connecting element (30) being arranged between the first and second corner angle element (10, 20) in such a way that the connecting element (30) in the respective receiving area ( 12, 22) of the first and second corner angle elements (10, 20) is at least partially fixed in position or receivable, and wherein in a connected fixed state of the hollow profiles (200, 300) the first and second expansion means (31, 32) of the connecting element (30 ) are arranged between the first and second corner angle elements (10, 20), preferably driven in, that the first and second corner angle elements (10, 20) are opposed to each other Directions are spread apart. Corner angle (100) after Claim 1 , wherein the first leg (11a, 21a) and the second leg (11b, 21b) of the first and second corner angle elements (10, 20) each have a recess (13a, 13b, 23a, 23b) on one side surface, and wherein the receiving area (12, 22) of the first and second corner angle elements (10, 20) is formed between the recess (13a, 23a) of the first leg (11a, 21a) and the recess (13b, 23b) of the second leg (11b, 21b) . Corner angle (100) after Claim 2 , wherein in each case one of the first and second expansion means (31, 32) of the connecting element (30) in a non-fixed state of the hollow profiles (200, 300) with one another between the first and second corner angle elements (10, 20) in a range of two to one another opposite recesses (13a, 23a; 13b, 23b) of the first and second corner angle elements (10, 20) is arranged. Corner angle (100) according to one of the Claims 1 to 3rd , wherein the connecting element (30) has an at least substantially arrow-shaped shape with a shaft area (33) and a first wing area (34a) and a second wing area (34b), and wherein the expansion means (31, 32) each at a distal end of the first and second wing area (34a, 34b) are formed. Corner angle (100) according to one of the Claims 1 to 4th , wherein the first and second expansion means (31, 32) are designed as expansion wedges. Corner angle (100) after Claim 2 or 3rd , The recesses (13a, 13b, 23a, 23b) of the first and second legs (11a, 11b, 21a, 21b) being designed to accommodate, at least in regions, means for aligning, driving in and / or deforming the expansion means. Corner angle (100) after Claim 6 , wherein the means for aligning and / or deforming the expanding means are a pin-shaped driving element (400), a punching knife (500) and / or a punching knife with an adhesive punch (600). Corner angle (100) according to one of the Claims 1 to 7 , The receiving area (12, 22) of the first and the second corner angle element (10, 20) each having a central web (14, 24) which is located between an inner corner (15a, 25a) and an outer corner (15b, 25b) of the respective corner angle element (10, 20) is arranged. Corner angle (100) after Claim 8 , wherein the receiving area (12, 22) of the first and the second corner angle element (10, 20) has openings (16a, 16b, 26a, 26b) which are adjacent to the central web (14, 24) and are designed to form complementary projections (35a , 35b, 36a, 36b) of the connecting element (30), which are formed on an upper side and a lower side of the connecting element (30). Corner angle (100) after Claim 8 or 9 , wherein at least one of the two corner angle elements (10, 20) on at least one top and / or bottom of the central web (14, 24) has a groove (40) connecting the inner corner (15a, 25a) with the outer corner (15b, 25b) having. Corner angle (100) according to one of the Claims 1 to 10th , The two legs (11a, 11b, 21a, 21b) of the corner angle elements (10, 20) each have at least one recess (17a, 17b, 27a, 27b) in the area of the outer corner (15b, 25b). Corner angle (100) after Claim 10 in combination with Claim 11 , wherein the groove (40) and the at least one recess (17a, 17b, 27a, 27b) are designed to receive an adhesive medium, preferably an adhesive, particularly preferably a polyurethane adhesive or an epoxy adhesive. Corner angle (100) according to one of the Claims 1 to 12th , wherein the first and the second corner angle element (10, 20) are formed from an extruded profile, and wherein the first and the second corner angle element (10, 20) have the same or a different thickness. Corner angle (100) according to one of the Claims 1 to 13 , The corner angle elements (10, 20) and the connecting element (30) made of a plastic and / or a metallic material, in particular of an aluminum alloy or a steel alloy. Arrangement for facades, roofs, windows, doors or the like with a first hollow profile (200) and a second hollow profile (300), in particular a first and a second hollow frame profile, and with a corner angle (at least in some areas) accommodated in the hollow profiles (200, 300) 100) according to one of the Claims 1 to 14 For angular connection, in particular for miter connection, of the first hollow profile (200) with the second hollow profile (300). Order after Claim 15 , wherein the first and the second hollow profile (200, 300) each have at least one recess (13a, 13b, 23a, 23b) for feeding assembly means, in particular pin-shaped driving-in elements (400) and / or assembly tools, preferably a punch knife (500) and / or a punch knife with glue hole stamp (600).

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