Connection profile for components bordering plaster

The connection profile design with a closed receiving space and elastic sealing element addresses the challenge of maintaining a tight seal during 3D movements, simplifying manufacturing and assembly by enabling independent 3D mobility and ensuring a robust seal.

EP4446551B1Active Publication Date: 2026-03-04K UNI KUNSTPRODN UND HANDELS GMBH
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Patent Information

Authority / Receiving Office
EP · EP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2024-01-11
Publication Date
2026-03-04

AI Technical Summary

Technical Problem

Existing connection profiles for components adjacent to plaster, such as window and door frames, do not allow for a permanent, tight seal when relative movements occur in all three spatial directions, complicating manufacturing and assembly.

Method used

A connection profile design featuring a sealing leg and plastering leg that form a closed receiving space with a soft, elastic sealing element, and a connecting device between them, allowing for 3D movement and a robust seal through a tongue and groove connection.

Benefits of technology

Ensures a permanent, tight seal between plaster and components even with 3D movements, simplifying manufacturing and assembly by allowing independent 3D mobility and using a soft sealing element for flexibility.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to a connection profile (10) for components (30) adjacent to plaster (31), in particular for window or door frames as well as roller shutter profiles, with a plaster leg (12) and a sealing leg (11) which has component-side fastening means, wherein the sealing leg (11) is connected to the plaster leg (12) at least during the assembly of the connection profile (10) on the component (30), wherein the plaster leg (12) has a plastering web (13) oriented substantially perpendicular to the sealing leg (11), as well as a plastering strip (14) with a plastering edge (15). According to the invention, the sealing leg (11) and the cleaning leg (12) form a substantially enclosed receiving space (16) at least during the assembly of the connection profile (10), in which a flange- or loop-shaped sealing element (21, 22) made of a material with higher elasticity compared to the sealing leg (11) or cleaning leg (12) is arranged.
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Description

[0001] The invention relates to a connection profile for components adjacent to plaster (30), in particular for window or door frames as well as roller shutter profiles, with a plaster leg and a sealing leg, which has component-side fastening means, wherein the sealing leg is connected to the plaster leg at least during the assembly of the connection profile on the component and wherein the plaster leg has a plastering web oriented substantially perpendicular to the sealing leg, as well as a plastering strip with a plastering edge, wherein the sealing leg and the plaster leg form a substantially closed receiving space at least during the assembly of the connection profile, in which a flange- or loop-shaped sealing element made of a material with a thickness comparable to that of the sealing leg or the plaster leg is installed.The plaster leg of higher elasticity is arranged, and a connecting device is formed between the sealing leg and the plaster leg at the end of the connection profile facing away from the plastering edge, which is engaged at least during the assembly of the connection profile (10).

[0002] In this context, EP 2 093 368 B1 discloses a connection profile for building components adjacent to plaster, which has a sealing leg that is attached to the component with an adhesive layer and an interlayer of sealing tape. The sealing tape and adhesive can, for example, be designed as a double-sided adhesive tape. The sealing leg also has a plastering bead extending obliquely from the sealing leg towards the building component, which, together with a plastering rib projecting essentially perpendicularly from the sealing leg, forms a plaster receiving area. A detachable protective flap is formed at the front edge of the plastering bead via a narrowing of the material, to which a protective film can be attached.When the connection profile is installed, the sealing leg and the sealing strip form a rectangular, enclosed receiving space in which an expanding foam element is arranged in its compressed form. The sealing strip is attached to the sealing leg with an adhesive whose holding force is matched to that of the component's adhesive such that, under tensile or shear stress, the sealing strip detaches from the sealing leg and releases the expanding, elastic foam element.

[0003] AT 506 410 A4 and the associated EP 2 116 682 A2 describe a connection profile for building components adjacent to plaster, such as window and door frames, as well as roller shutter elements, with a sealing leg that can be attached to the component with a sealing tape, and with a plastering leg that has a plastering strip. The sealing leg has a receptacle for at least one folding element, initially closed by the sealing tape, whereby the sealing tape detaches from the sealing leg when there is relative movement that increases the gap between the plaster and the component, thus releasing the folding element.

[0004] From EP 4 036 346 A1, a connection profile for building components adjacent to plaster is known, comprising a two-part base leg. The inner leg has component-side fastening means and is connected to an outer leg aligned parallel to the inner leg. The outer leg has a plastering leg projecting substantially perpendicular to it, as well as a plastering bead with a plastering edge. An elastic sealing element or sealing strip is arranged between the inner and outer legs. This sealing element is suitable for at least partially compensating component movements between the plaster and the building component. The inner leg, which is fixed to the component with an adhesive layer or thin adhesive tape, has a sealing lip that rests against the component.

[0005] Finally, EP 3 477 013 A1 shows a similar connection profile, which also features a large-volume sealing element or sealing strip between a sealing leg attached to the adjacent component and a plastering leg. Furthermore, the sealing leg has hook-in elements or a locking mechanism, with corresponding hook-in elements formed on the plastering leg, so that the two hook-in elements essentially form a click-lock. While such a click-lock allows for some relative movement of the profile parts in the longitudinal direction, it does not permit the desired 3D mobility in the other two spatial directions.

[0006] EP 1 582 685 A2 describes a plaster connection strip of the type mentioned above, in which a space is formed between the sealing leg and the plaster leg, in which a sealing element is arranged. Here, the sealing leg and the plaster leg are connected by a locking leg, at least during installation. This plaster connection strip also does not allow 3D movement.

[0007] Further relevant connection profiles can be found, for example, in EP 2 853 653 A2, EP 1 479 848 A1, EP 2 492 429 B1 or EP 3 702 548 A1.

[0008] The object of the invention is to improve a connection profile (window connection profile FAP and roller shutter connection profile RAP) for components adjacent to plaster (window or door frames as well as roller shutter profiles) and their manufacture in such a way that both the manufacture and the assembly are simplified, whereby a permanent, tight seal between plaster and the installed component should be ensured even when relative movements occur in all three spatial directions.

[0009] According to the invention, this is achieved by the sealing leg and the cleaning leg forming a robust, essentially closed receiving space, at least during the assembly of the connection profile, in which a soft, flange- or loop-shaped sealing agent made of a material with higher elasticity compared to the sealing leg or cleaning leg is arranged.

[0010] It is provided that a connecting device is formed at the end of the connection profile facing away from the plaster edge between the sealing leg and the plaster leg, which is engaged at least during storage and installation of the connection profile. The connecting device between the sealing leg and the plaster leg has a connecting web that is preferably attached to the sealing leg or the plaster leg by co-extrusion and is movably connected to the other leg in the longitudinal direction of the profile by means of a tongue and groove connection.

[0011] According to the invention, the connecting device largely consists of an extrudate that is softer compared to the sealing leg or cleaning leg, and which can preferably be extruded in the same step as the production of the sealing leg and the cleaning leg.

[0012] In the space between the sealing leg and the cleaning leg, no sealing strip according to EP 3 477 013 A1 or EP 4 036 346 A1 is required in the invention, which brings functional and manufacturing advantages.

[0013] According to a preferred embodiment, the sealing leg and the cleaning leg are connected at least during the assembly of the connection profile via the end area of ​​a detachable protective leg.

[0014] The detachable protective leg can be attached in the area of ​​the plastering edge of the plastering strip and at the opposite end of the sealing leg, whereby after its detachment - after completion of the plastering work - the receiving space can open and independent 3D movement between the sealing leg and the plastering leg is ensured.

[0015] The invention is explained in more detail below using exemplary embodiments. The figures show: Fig. 1a a connection profile (FAP) according to the invention for components adjacent to plaster in a sectional view normal to the longitudinal axis of the profile in the installation situation after completion of plastering work; Fig. 1b the connection profile according to Fig. 1a after a significant movement of the component between the plaster and the adjacent component; Fig. 1c the connection profile according to Fig. 1b in a three-dimensional view; Fig. 2a Fig. 2 leg variant of the connection profile (FAP) according to the invention in the installation situation and after a component movement; Fig. 3a Fig. 3 leg variant of the connection profile (FAP) according to the invention in the installation situation and after a component movement; Fig. 4a Fig. 4 leg variant of the connection profile (FAP) according to the invention in the installation situation and after a component movement; Fig. 5a Fig. 5 leg variant of the connection profile (FAP) according to the invention in the installation situation and after a component movement without double break-off; Fig. 6a Fig. 6b and Fig. 6c a variant of the connection profile (RAP) according to the invention in the installation situation, after a component movement and in a 3D view; Fig. 7a Fig. 7 leg variant of the connection profile (RAP) according to the invention in the installation situation and after a component movement; Fig. 8a Fig.Fig. 9a shows an 8-legged variant of the connection profile (RAP) according to the invention in the installation situation and after a component movement.

[0016] The in the Fig. 1a bis Fig. 1c The illustrated window or door connection profile 10 for components 30 adjacent to plaster 31 has a sealing leg 11 which is fixed in position on the component 30 by means of an adhesive tape 17, e.g. a double-sided adhesive tape, and a plaster leg 12 arranged opposite it. The plaster leg 12 has a plastering web 13 projecting substantially perpendicular to the sealing leg 11, as well as a plastering bead 14 with a front plastering edge 15.

[0017] Between the sealing leg 11 and the cleaning leg 12, a sealant, here in the form of a thin-walled sealing loop 21, made of a material that has a higher elasticity than the sealing leg 11 or cleaning leg 12, is arranged in an initially closed receiving space 16. The sealing loop 21 can, for example, consist of a soft PVC / TPE material.

[0018] The loop-shaped sealing element is designed as a sealing loop 21 attached to the sealing leg 11 on one side and to the cleaning leg 12 on the other, which is arranged folded in the receiving space 16 at least during assembly.

[0019] The receiving space 16 for the sealing loop 21 is closed on the rear side, i.e., the side facing away from the plastering edge 15, by a support and connecting device 25 between the sealing leg 11 and the plastering leg 12, which is engaged at least during storage and assembly of the connection profile 10 and consists largely of an extrudate (e.g., soft PVC / PTE) that is softer compared to the sealing leg 11 or plastering leg 12.

[0020] In the Fig. 1a bis 1c In the illustrated example, the connecting device 25 has a connecting web 26 which is preferably attached to the sealing leg 11 by co-extrusion and is movably connected to the cleaning leg 12 by means of a tongue and groove connection 27 in the longitudinal direction of the profile – as well as in a direction away from the sealing leg 11. The connecting web 26, made of a soft extrudate, has an H-shaped cross-section and a U-shaped receptacle 32 for a spring 29 arranged on the cleaning leg 12 (see figure). Fig. 1b The spring 29 may have notches or teeth for better retention in the U-shaped receptacle 32. Of course, the connecting web 26 could also be attached to the cleaning leg 12 and have a tongue and groove connection 27 to the sealing leg 11 (see Fig. 3a, Fig. 3b ).

[0021] The sealing leg 11 and the plastering leg 12 are connected via the end region of a detachable protective leg 28 after the manufacture and at least during the assembly of the connecting profile 10 until the completion of the plastering work. The end region of the protective leg 28 can have a T-shaped widening as shown.

[0022] The compact initial shape of the connection profile 10 with the receiving space 16 closed on both sides for the sealing loop 21 facilitates handling both when gluing the profile onto the component 30 and during plastering work.

[0023] The detachable protective leg 28 is attached both in the area of ​​the plastering edge 15 of the plastering strip 14 and at the opposite end area of ​​the sealing leg 11, whereby after its detachment (double detachment) - after completion of the plastering work - the receiving space 16 is opened and independent 3D movement between sealing leg 11 and plastering leg 12 is ensured.

[0024] Minor relative movements between sealing leg 11 and cleaning leg 12 can be compensated for by the tongue and groove connection 27 and by the flexibility of the softly adjusted H-shaped connecting bridge 26. In the case of larger relative movements, the spring 29 extends from the U-shaped receptacle 32 of the connecting bridge 26, and the sealing effect is solely assumed by the unfolding sealing loop 21 (see Fig. 1b ).

[0025] The connection profile 10 in the illustrations according to Fig. 1a bis Fig. 5b is designed as a window or door connection profile (FAP), wherein the sealing leg 11 has an adhesive tape 17 on the component side, with which the profile can be attached to a window or door frame.

[0026] The profile variant in connection with Fig. 1a bis Fig. 1c The advantages of the invention set forth above also apply to the variants described below. Fig. 2a bis Fig. 9b .

[0027] The window or door connection profile 10 according to Fig. 2a und Fig. 2b differs from the variant according to Fig. 1a bis 1c by the fact that the connecting web 26 of the connecting device 25 has an F-shaped cross-section and a U-shaped receptacle 33 for the end region of the plaster leg 12. In the event of larger component movements, the end region of the plaster leg can protrude from the U-shaped receptacle 33 due to the deformability of the softly adjusted connecting web 26 (see Fig. 2b ). An elastic sealing lip 20 can be molded onto the sealing leg 11 on the component side.

[0028] The window or door connection profile 10 according to Fig. 3a und Fig. 3b The profile features a flange-shaped sealant, designed as a sealing flange 22 made of soft PVC / TPE material, attached to the sealing leg 11 and projecting away from the component 30. The end section 23 of this flange, optionally made of rigid PVC, is guided in a sliding and sealing manner within a U-shaped receptacle 34 of the plaster leg 12. On the rear side of the profile is the H-shaped connecting web 26, which has a U-shaped receptacle 32 for a spring 29 located on the sealing leg 11. The detachable protective leg 28 can be removed from the plastering bead 14 and the sealing leg 11 by means of a double tear-off after completion of the plastering work.

[0029] For the window or door connection profile 10 according to Fig. 4a und Fig. 4b The above statements regarding the variant according to [relevant standard / regulation] essentially apply. Fig. 3a und Fig. 3b One key difference is that the rear connecting web 26 has an I-shaped cross-section and engages in a U-shaped recess 19 at the end of the plaster leg 12. The U-shaped recess 19 can be formed by molding it onto the plaster leg from a flexible material. The end of the connecting web 26 can be made of rigid PVC.

[0030] The simple profile variant according to Fig. 5a und Fig. 5b Except for the connection of the detachable protective leg 28, this corresponds essentially to the variant according to Fig. 1a bis Fig. 1c The protective leg 28 is only detachably connected to the plastering strip 14 of the plastering leg 12.

[0031] The in the Fig. 6a bis Fig. 6c The roller shutter connection profile 10 shown, for components 30 adjacent to plaster 31 (for example, a roller shutter guide profile), has a sealing leg 11 which has a sealing rib 18 projecting perpendicularly from the sealing leg 11 on the component side, which can be attached to the component 30 by means of an adhesive tape 17, e.g., double-sided adhesive tape. Furthermore, the roller shutter connection profile 10 has a plaster leg 12 with a plastering rib 13 projecting essentially perpendicularly to the sealing leg 11, as well as a plastering strip 14 with a front plastering edge 15.

[0032] Between the sealing leg 11 and the cleaning leg 12, a sealant, here in the form of a thin-walled sealing loop 21, made of a material that has a higher elasticity than the sealing leg 11 or cleaning leg 12, is arranged in an initially closed receiving space 16. The sealing loop 21 can, for example, consist of a soft PVC / TPE material.

[0033] The receiving space 16 for the sealing loop 21 is closed on the rear side, i.e., the side facing away from the plastering edge 15, by a support and connecting device 25 between the sealing leg 11 and the plastering leg 12, which is engaged at least during storage and assembly of the connection profile 10 and consists largely of an extrudate (e.g., soft PVC / PTE) that is softer compared to the sealing leg 11 or plastering leg 12.

[0034] Otherwise, the following apply to the roller shutter connection profile according to Fig. 6a bis Fig. 6c the explanations already given in connection with the window or door connection profile regarding the Fig. 1a bis Fig. 1c .

[0035] The roller shutter connection profile 10 according to Fig. 7a und Fig. 7b differs from the variant according to Fig. 6a bis Fig. 6c by the fact that the connecting web 26 of the connecting device 25 has an F-shaped cross-section and a U-shaped receptacle 33 for the end region of the plaster leg 12. In the event of larger component movements, the end region of the plaster leg can protrude from the U-shaped receptacle 33 due to the deformability of the softly adjusted connecting web 26 (see Fig. 7b ).

[0036] The roller shutter connection profile 10 according to Fig. 8a und Fig. 8b The profile features a flange-shaped sealant, designed as a sealing flange 22 made of soft PVC / TPE material, attached to the sealing leg 11 and projecting away from the component 30. The end section 23 of this flange, optionally made of rigid PVC, is guided in a sliding and sealing manner within a U-shaped receptacle 34 of the plaster leg 12. On the rear side of the profile is the H-shaped connecting web 26, which has a U-shaped receptacle 32 for a spring 29 located on the sealing leg 11. The detachable protective leg 28 can be removed from the plastering bead 14 and the sealing leg 11 by means of a double tear-off after completion of the plastering work.

[0037] For the roller shutter connection profile 10 according to Fig. 9a und Fig. 9b The above statements regarding the variant according to [relevant standard / regulation] essentially apply. Fig. 8a und Fig. 8bOne key difference is that the rear connecting web 26 has an I-shaped cross-section and engages in a U-shaped recess 19 at the end of the plaster leg 12. The U-shaped recess 19 can be formed by molding it onto the plaster leg from a flexible material. The end of the connecting web 26 that engages in the U-shaped recess 19 can be made of rigid PVC.

[0038] The sealing loop 21 or the sealing flange 22 of the individual design variants are made entirely or largely from a softly adjusted PVC / TPE material and are preferably molded as a co-extrudate.

[0039] In all versions of the connection profiles 10, a reinforcing mesh 24 can be attached to the plastering leg 13, preferably with the aid of a co-extruded retaining strip.

Claims

1. Connection profile (10) for components (30) adjacent to plaster (31), in particular for window or door frames and roller shutter profiles, having a plastering leg (12) and a sealing leg (11) that has fastening means on the component side, wherein the sealing leg (11) is connected to the plastering leg (12) at least during the installation of the connection profile (10) on the component (30), and wherein the plastering leg (12) has a plastering web (13) aligned substantially perpendicular to the sealing leg (11), and a plastering strip (14) with a plaster removal edge (15), wherein the sealing leg (11) and the plastering leg (12) form, at least during the installation of the connection profile (10), a substantially closed receiving space (16) in which a flange-shaped or loop-shaped sealing means (21, 22) made of a material with higher elasticity than the sealing leg (11) or plastering leg (12) is arranged, a connecting device (25) between the sealing leg (11) and the plastering leg (12) is formed at the end of the connection profile (10) facing away from the plaster removal edge (15), which is engaged at least during the installation of the connection profile (10), characterized in that the connecting device (25) between the sealing leg (11) and the plastering leg (12) has a connecting web (26) which is preferably attached to the sealing leg (11) or to the plastering leg (12) by coextrusion and is movably connected to the respective other leg (12, 11) by means of a tongue-and-groove connection (27) in the longitudinal direction of the profile, and the connecting device consists largely of an extrudate that is soft in comparison to the sealing leg (11) or plastering leg (12).

2. Connection profile (10) according to claim 1, characterized in that the sealing leg (11) and the plastering leg (12) are connected at least during the installation of the connection profile (10) via the end region of a detachable protective leg (28).

3. Connection profile (10) according to one of claims 1 to 2, characterized in that the flange-shaped sealing means is designed as a sealing flange (22) attached to the sealing leg (11) and protruding away from the component (30), the end region (23) of which is guided in a U-shaped receptacle (34) of the plastering leg (12) in a sliding and sealing manner.

4. Connection profile (10) according to one of claims 1 to 2, characterized in that the loop-shaped sealing means is designed as a sealing loop (21) attached to the sealing leg (11) on one side and to the plastering leg (12) on the other side, which loop is arranged folded in the receiving space (16) at least during assembly.

5. Connection profile (10) according to claim 3 or 4, characterized in that the sealing loop (21) or the sealing flange (22) is made entirely or largely of a soft PVC / TPE material, preferably as a co-extrudate.

6. Connection profile (10) according to one of claims 1 to 5, characterized in that the connecting web (26) has an H-shaped cross-section and has a U-shaped receptacle (32) for a spring (29) arranged on the plastering leg (12).

7. Connection profile (10) according to one of claims 1 to 5, characterized in that the connecting web (26) has an F-shaped cross-section and has a U-shaped receptacle (33) for the end region of the plastering leg (12).

8. Connection profile (10) according to one of claims 1 to 5, characterized in that the connecting web (26) has an I-shaped cross-section and engages in a U-shaped receptacle (19) at the end region of the plastering leg (12).

9. Connection profile (10) according to one of claims 2 to 8, characterized in that the detachable protective leg (28) is fastened in the area of the plaster removal edge (15) of the plaster strip (14) and at the opposite end region of the sealing leg (11), after the separation of which the receiving space (16) is opened and independent 3D mobility between the sealing leg (11) and the plastering leg (12) is ensured.

10. Connection profile (10) according to one of claims 1 to 9, characterized in that a reinforcement grid (24) is attached to the plastering leg (13), preferably with the aid of a co-extruded retaining strip.

11. Connection profile (10) according to one of claims 1 to 10, characterized in that the connection profile (10) is designed as a window or door connection profile (FAP), and the sealing leg (11) has an adhesive tape (17) on the component side.

12. Connection profile (10) according to one of claims 1 to 11, characterized in that the connection profile (10) is designed as a roller shutter connection profile (RAP), and the sealing leg (11) has a sealing web (18) on the component side, which protrudes vertically from the sealing leg (11) and has an adhesive tape (17).

Citation Information

Patent Citations

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