EP3276100A1 - Sealing system for a wall system - Google Patents

Abstract

Sealing system (1) for a wall system (10) with a compressible in at least one compression direction (Z) and in this compression direction also expandable sealing element (2), which at least a portion of a first wall element (12) can be applied and with a holding means (4 ) which can be applied to this expandable sealing element (2) in such a way that expansion of the sealing element, at least in the compression direction (Z), is prevented by this bearing of the holding means against the sealing element (2). According to the invention, the holding means (4) has an abutment region (42) and can be applied to a side surface of the sealing element (2) with this abutment region (42), which side surface extends substantially perpendicular to the compression direction (Z) and has the holding means (4) at least one first fixing means (44), by means of which it is at least temporarily fixed to the wall element (12).

Description

The present invention relates to a sealing system for a wall system. Various wall systems, including those wall systems that are assembled in factory halls, are known from the prior art. For example, so-called elemental facades are known, which are used in particular in representative buildings and have prefabricated large-scale elements of curtain walls. The advantage of such element facades lies in the production under controlled conditions and concomitant reduction or prevention of processing and installation errors. However, the sealing between the individual elements of the facades must continue to be carried out during assembly on the construction site. For this purpose, EPDM (ethylene-propylene-diene-rubber) gasket is commonly used in the art. In this case, such element facades are characterized by circumferential horizontal sealing levels (so-called saddle seals). These are usually applied after assembly of the facade elements of a floor on the upper bar and then form a continuous horizontal sealing plane.

The vertical seals are usually already preinstalled on a side post of the elements. In order to seal the butt joints between vertical and horizontal seals according to the requirements of air and water-tightness, they are usually connected with liquid sealant.

The sealing between the elements thus requires a great deal of work and time on the construction site. The storage of the EPDM seals on the construction site and the bonding under uncontrollable conditions are in contradiction to the idea of the element facade. Furthermore, this procedure brings a risk of error for element facades, which otherwise avoid this by the prefabrication.

The present invention is therefore an object of the invention to provide a way that already reaches a more advanced prefabrication of the sealing systems in the factory and thus under controlled conditions. Furthermore, the need for installation work and bonding or waterproofing measures on the site should be largely reduced and ideally even avoided. These objects are achieved by a sealing system according to claim 1 and a holding means according to claim 8. Advantageous embodiments and further developments are the subject of the dependent claims.

An inventive sealing system for a wall system has at least one compressible in at least one compression direction and in this compression direction also expandable sealing element which can be applied to at least a portion of a first wall element and a holding means which can be applied to this expandable sealing element, that through this system the holding means is prevented from expanding to the sealing element, at least in the compression direction, of the sealing element.

According to the invention, the holding means has an abutment region and can be applied to a side surface of the sealing element with this abutment region, this lateral surface extending substantially perpendicular to the compression direction. Furthermore, the holding means has at least one fixing means, by means of which it can be fixed at least temporarily to the wall element.

It is therefore proposed according to the invention that already a corresponding sealing tape is attached to the wall element at the factory, but this can not yet expand, but is hindered by the holding means. Only on or during assembly at the construction site of this holding means can be solved and expand the sealing tape so as to fulfill its function. The function of the sealing element in particular is to press through its expansion, the holding means against another element and for example against another holding means (another wall element) and thus to achieve the sealing effect. Thus, the sealing element can also be referred to as an urging element, which urges the retaining means in the assembled state of the wall against another retaining means. The term holding means refers to the condition prior to mounting the wall. In this state, the holding means perceives a retention function with respect to the sealant. In an assembled state of the wall, the holding means then acts, in particular in connection with a further holding means as sealing means.

In the following description, it is always mentioned by way of example that the holding means is pressed against a further holding means. However, it is also possible that the holding means is pressed against another element. Basically, the sealing system described herein is also suitable and intended to achieve sealing against any other surface.

Thus, a composite of two wall elements preferably has two sealing means and two holding means, wherein in an assembled state of the wall elements these two holding means are urged together by the sealing means. It is therefore pointed out that the sealant does not have to directly effect a seal and preferably does not directly cause a seal. Advantageously, however, the sealing means serves to produce an advantageous for the sealing effect pressure on another element, namely the holding means.

In one possible embodiment, the holding means is elastic.

In a further advantageous embodiment, the first fixing means is detachable and in particular detachable from the said wall element.

In a further advantageous embodiment, the compressed sealing strip consists of a flexible foam and in particular an impregnated flexible foam or has such. As a result of the impregnation, the return of the soft foam can be delayed by removing a load, as is known from the prior art.

In a further advantageous embodiment, the (or generally at least one and in particular the first or the second) fixing means may comprise rear engagement elements, which engage behind certain areas of the wall element and thus hold on to it. For example, the fixing agent may be a hooking means. This can be advantageously solved and / or relaxed.

In an advantageous embodiment, the sealing element is designed as an elongated sealing strip, which extends in a predetermined direction of extent, wherein preferably the compression direction is perpendicular to this direction of extent. In this case, this sealing element is advantageous in several directions compressible and / or deformable and in particular in several mutually perpendicular directions. For example, in the manufacture of the wall element, this sealing strip can be pressed into a groove and then also pressed together in a direction perpendicular thereto in order to be held in this state by the retaining means.

In a further advantageous embodiment, the sealing means has an adhesive surface, with which it can be glued into the groove. For example, an adhesive and in particular a double-sided adhesive tape could be arranged on the flexible foam of the sealant. Advantageously, the sealant is uniformly impregnated.

The invention therefore proposes to use sealing materials known per se for sealing wall elements and, for example, to combine the advantages of these known sealing materials for conventional profiles (such as EPDM, silicone, TPE (thermoplastic elastomers) or the like) with those of compressed sealing tapes , Thus, the system has a combination of a sealing profile - such as EPDM - with a compressed sealing tape made of soft foam. The sealing tape (referred to herein as a sealant) in this combination has the task of generating and supporting the contact pressure of the sealing profile (i.e., the holding means). The expansion of the sealing strip should then ideally be started by triggering from a position accessible after assembly of the element.

In a preferred embodiment, therefore, the holding means also performs a sealing function. This can be done, for example, that this holding means against another opposing holding means, which arranged on the other wall element is, is pressed. As mentioned above, the holding means can also be pressed against other elements, in particular other (sealing) surfaces. Preferably, the holding means is made of EPDM.

Preferably, the sealing tape is inserted into a groove. This gap preferably has a groove width which is between 5 mm and 50 mm, preferably between 5 mm and 30 mm, preferably between 10 mm and 30 mm. Preferably, the groove has a height that is greater than 2mm, preferably greater than 3mm and more preferably greater than 5mm. Preferably, the groove has a height which is less than 50 mm, preferably less than 40 mm, preferably less than 30 mm and particularly preferably less than 20 mm.

The system according to the invention thus described should also be suitable for special element connectors such as swords. In addition, relative movements between the wall elements should also be possible.

Furthermore, a system would be possible in which the expansion is activated before the element assembly. The travels with a direct contact of the seals are to be reduced as much as possible, in particular, these contact surfaces should not exceed 30cm in the vertical. Furthermore, it would be possible that the sliding surfaces of the contacting seals are additionally provided with a sliding coating.

Preferably, as mentioned above, the retaining means with a surface on the sealant. In a further advantageous embodiment, a further surface opposite this surface is designed as a sealing surface and in particular intended to abut with this sealing surface on a further sealing surface (of a further holding means). In a further preferred embodiment, this further surface has a coating and in particular a lubricious coating.

In the sealing system according to the invention described here, joint seals and in particular the vertical joint seals between the individual wall elements can be "triggered" after installation. For this purpose, in a preferred method fuse strips are pulled upwards. Even horizontal (joint) seals can be triggered differently. This is, for example, directly after setting the element by a lateral pulling out of a fuse strip or even before the Mounting the element possible. However, it is also conceivable to trigger a lower fuse strip after setting of the single element and the upper, if several elements of a floor are set. For this purpose, however, it is necessary that the securing profile (which may be designed in the manner of a bar, however, does not have to be) is removed upward or is so flexible that it can be pulled laterally over or behind the adjacent element.

In a further advantageous embodiment, the first fixing means has an enlarged portion which can be clamped in a groove provided in the wall element. This enlarged portion may be, for example, a head or piping or the like. By clamping this projection, a voltage can be produced which retains the sealing element, for example, in its groove. Advantageously, the connection between this enlarged portion and the said wall element can be detachable.

Advantageously, the first fixing means is arranged on the end side on the holding means.

In a further advantageous embodiment, the holding means on a second fixing means, which is also fixable to the wall element. Advantageously, this second fixing means is also arranged on the end side of the holding means. It is possible that a fixing means is permanently attached to the wall element, as in the installed state, the holding means should also act as a sealing element when it rests against another holding means or, as mentioned above, on another element.

In a further advantageous embodiment, the abutment region of the holding means is arranged between the first fixing means and the second fixing means. In this case, a surface, which is opposite to this contact area, at the same time serves as a sealing surface and is in particular applied to a further corresponding surface of a further holding means (or of another element).

In a further advantageous embodiment, the sealing system further comprises a fastenable to a wall element and detachable from the wall element solvent, wherein a release of this solvent also causes at least one-sided release of the holding means of the wall element. This makes it possible by solving this solvent in a sense to activate the sealing element and also the retaining means. This release element can be, for example, a securing profile which can be pulled out or pushed out so as to release a clamping of the fixing means and in particular of an (enlarged) projection of the fixing means

The present invention is further directed to a retaining means for retaining expandable bands in joints of wall panels. This holding means has a contact region which can be applied to the band to be retained, and a first fixing means which can be clamped in at least one first groove formed on the wall element and a second fixing means, which is also preferably fixable to the wall element and which preferably in at least a second formed on the wall element groove can be locked. In this case, said abutment region is formed between the first fixing means and the second fixing means.

Preferably, a surface of the holding means opposite the contact area also serves as a sealing surface, in particular in cooperation with a further holding means, which may be arranged in particular on a further wall element. Preferably, the holding means is designed in the above-described design. In this case, this holding means may extend in the same direction as the sealant. In a further preferred embodiment, the sealing means is flat and in particular over the entire surface of the holding means. The holding means is preferably wider than the sealing means. In a further advantageous embodiment, the contact area is designed to be flexible. Advantageously, the contact area is flat.

In a further advantageous embodiment, the said groove and, advantageously, said grooves, in which the fixing means is arranged, are rectilinear.

The present invention is further directed to a sealable wall element. This wall element has a first elongated groove, in which a sealing means is inserted, said sealing means is compressible at least in a compression direction, and a holding means, which is laid over an open side of the groove and in particular tensioned, such that by this system of Holding means an expansion of the groove arranged in the sealant is prevented. In this case, at least a portion of the holding means opposite releasably fixed to the wall element. Preferably, exactly a portion of the holding means and in particular an end portion relative to the wall element releasably fixed.

In a preferred embodiment, the wall element has at least one locking means, in particular in the form of a clamping element, in order to fix the holding means to the holding element. Thus, for example, a locking groove (for example formed by a clamping element into which an end portion of the retaining means can be inserted) is retracted In a preferred embodiment, this locking means is recoverable. that a solvent also urges the locking means in a certain direction and thus fixes the fixing means. Once this solvent is removed, the locking means can swing back and thus release the fixing means.

In an advantageous embodiment, the wall element on a second locking means, which is opposite to the first. This may be, for example, a wall section, wherein preferably a groove is formed by the clamping element and the wall section. Advantageously, the groove for the sealant between these two locking means is arranged. Particularly preferably, the said grooves and / or locking means are elongated and extend in particular in the direction of longitudinal or transverse axes of the respective wall element. In this case, the holding means - as described above - be formed. Preferably, the fixing means are designed as hooks and / or so-called piping.

In a further advantageous embodiment, the sealing means is a foam element and in particular an impregnated foam. The wall profile is advantageously made of aluminum. In addition, the wall element could also be made of other materials, in particular but not exclusively made of steel or plastic. The sealing system described here can basically be applied to all profiles. In addition, it is possible that the frames from the profiles are filled with a infill. This infill may include a material selected from a group of materials including glass, stone, sheet, insulation, terracotta, and the like.

The present invention is further directed to a wall having a plurality of the above-described sealable wall elements. Advantageously, these wall elements are directly adjacent to each other and preferred with their longitudinal or transverse edges to each other.

• Darin zeigen:

  Fig. 1

  eine Darstellung einer zusammenzubauenden Wandung;

  Fig. 2

  eine schematische Darstellung zum Zusammenbau einer Wandung;

  Fig. 3

  eine Darstellung zweier aneinanderliegender Wandelemente;

  Fig. 4

  eine Darstellung eines Haltemittels;

  Fig. 5a - 5g

  sieben Darstellungen zur Veranschaulichung der Fixierung des Haltemittels.

Further advantages and embodiments will be apparent from the attached drawings:

• Show:

  Fig. 1

  a representation of a wall to be assembled;

  Fig. 2

  a schematic representation of the assembly of a wall;

  Fig. 3

  a representation of two adjacent wall elements;

  Fig. 4

  an illustration of a holding means;

  Fig. 5a - 5g

  seven illustrations to illustrate the fixation of the holding means.

FIG. 1 FIG. 10 is an illustration of a structure of a wall 10 composed of a plurality of wall members 12. The reference numeral 28 denotes a support for supporting the wall elements 12. Thus, the wall here consists of a plurality of prefabricated elements, ie here the wall elements 12. Between these prefabricated or wall elements 12 are vertical and horizontal seals, which in the prior art still had to be mounted on the construction site. However, in an otherwise planned and ready-made system, this represents both a disadvantage and a potential for error, for example with regard to environmental influences, and also leads to an increased expenditure of time. Based on this problem, therefore, set the task to achieve a high degree of prefabrication for the sealing system and also possible to provide more finished elements on a construction site. In particular, a triggering of the sealing system should take place after the element assembly. In this way, an error minimization of the critical components of the element façade, ie the seal by a mounting-friendly solution should continue to be achieved.

FIG. 2 illustrates the assembly of a plurality of wall elements 12, each having edge seals. The reference numeral 2 indicates an expandable sealing element or the holding means 4, under which this sealing element 2 is arranged.

The sealing system described here allows the vertical joint seals between the individual wall elements to be "deployed" after installation. For this purpose - as described in more detail below - fuse strips are pulled out.

FIG. 3 shows a detailed view of the sealing system 1 including two adjoining wall elements 12. These each have a sealing element or sealant 2, which (permanently) rests in a groove provided for this purpose 14 of the respective wall element 12. Reference numeral 14a denotes an open side of this groove. About this open side 14a or above this sealing means is a holding means 4, which abuts by means of a contact region 42 to the sealant and retains this in the state prior to assembly. The reference numeral 46 denotes a second fixing means of the holding means, which (permanently) rests in a groove 16 of the wall element 12. The reference character Z denotes the compression direction in which the sealant 2 can expand

After the two wall elements 12 have been mounted, fixing means (not shown) can be released, the holding means can be released and, as shown by the dashed line, the sealing means 2 or the sealing means 2 can expand in the direction Z and two press opposite holding means 4 together. In this way, a dense bond between the two holding means 4 or their contact surfaces 48 is produced. The distance between two adjacent wall elements 12 is approximately 5-100 mm here. The holding means 4 then cause the sealing effect in the abutting state or the pressed-together state.

The fixing means 46 (also referred to as sealing foot) remains permanently in the groove 16 of the wall element 12.
The fixing means 46 is releasably secured in the associated groove 16.

The sealing profile or holding means spans a precompressed joint sealing strip. This joint sealing strip can be a flexible foam element which can be impregnated or not impregnated.

If now the holding means is released on one side, one end of the holding means is released. Due to the expansion pressure of the joint sealing strip 2, this free end is pressed against the adjacent element or against an adjacent sealing surface. This contact pressure is maintained even with relative movements of the wall elements to each other.

Fig. 4 shows a sealing system in which 2 is the sealant.

This shutter and release mechanism can be made of plastic or aluminum or a combination of these materials, for example. It is also possible that this mechanism is partly formed on the wall elements. In addition, it would also be possible to attach this mechanism and in particular its basic body as an additional profile or in the wall profile (for example, by clipping, screwing or curling or the like).

The reference numeral 52 denotes a release element, which can also be inserted into the wall element 12 and the longitudinal groove. This solvent causes in the pre-assembled state pinching the fixing means 44 of the holding means 4. This solvent, which may for example be designed as a fuse strip, must be easy to pull out over several meters from the mechanism. Advantageously, therefore, this solvent consists of a material which is selected from a group of materials containing plastic or anodized aluminum.

Such a holding means, which also acts as a sealing profile, is preferably arranged on the two opposite profiles of the wall element 12. The joint sealing tape or the sealant is located in a groove, which may have, for example, a width between 30mm and 40mm and a height between 10mm and 20mm. These dimensions of the groove for the sealant or sealing tape are dependent on the respective joint geometry but also the requirements and the facade profiles. Preferably, the groove is dimensioned as small as possible taking into account these conditions.

When expanding the sealant in the two profiles, the seals or the holding means are pressed together. In this way, however, flexible joint seals between the profiles can be achieved by a driving rain density.

The Figures 5a-5g show several representations of the possible releasable entrapment of the fixing means 44 in a groove associated therewith 18 of the wall element 12. In this case, the reference numeral 52 respectively to a release element, which can be pulled out perpendicular to the plane of the figure from the associated groove 54, so as to Halt the fixative of the wall element wall element to solve. At the in FIG. 5a shown situation, a resettable clamping element 56 in the in FIG. 5a shown urged against the fixing means, so that this can not escape from its groove 18. Upon removal of the release element 52, this clamping element 56 can swing to the right and thus release the fixing agent. In this case, this solvent can be pressed in the direction Z for the first fixing. This results in the grooves or recesses 18 and 54 as a gap between the clamping element and the adjacent profile walls.

FIG. 5b shows a further possible embodiment, in which by removing the release element 52 from the recess 54 also the clamping action for the fixing means 44 are repealed and this can be solved.

The in the FIGS. 5c and 5d Representations shown also show a fixation of the fixing means 44. These embodiments differ in particular in the configuration of the fixing means, ie the end or projection (also referred to as enlarged section) of the holding means and in the embodiment of the clamping element 56th

The FIGS. 5e to 5g FIG. 3 shows three illustrations for illustrating the attachment and disengagement of the fixing means 44, since the clamping element is urged to the left and in this way clamps the fixing means 44 in the groove 18. If - as in the FIG. 5g The release element 56 can again swing to the right, and in this way the retaining means 4, more precisely its fixing means 44, are released. The release element 52 is pulled out along the extension or longitudinal direction E (of the groove 54).

Overall, here by a combination of a classic sealing material with a precompressed sealing strip an improved sealing effect by a contact pressure on a Sealing profile reached. This sealing profile creates a "architect-friendly look" and shields the sealing tape from UV radiation and also forms a waterproof layer. The shutter and release mechanism is clamped over the sealant with a clamped sealing profile.

The Applicant reserves the right to claim all features disclosed in the application documents as essential to the invention, provided that they are novel individually or in combination with respect to the prior art. It is further pointed out that features have also been described in the individual figures, which in themselves can be advantageous. The person skilled in the art immediately recognizes that a particular feature described in one figure can also be advantageous without taking over further features from this figure. Furthermore, the person skilled in the art recognizes that advantages can also result from a combination of several features shown in individual or in different figures.

LIST OF REFERENCE NUMBERS

1

sealing system

2

Seal element, sealant

4

holding means

10

wall

12

Wall element / edge profiles of the wall elements

14

groove

14a

open side of the groove

16

groove

18

Groove, assigned

28

carrier

42

plant area

44

fixer

46

fixer

48

contact surface

52

Securing profile, release element

54

Groove, assigned

56

clamping element

E, Z

directions

Claims (10)

Sealing system (1) for a wall system (10) with a compressible in at least one compression direction (Z) and in this compression direction also expandable sealing element (2), which at least a portion of a first wall element (12) can be applied and with a holding means (4 ) which can be applied to this expandable sealing element (2) in such a way that expansion of the sealing element, at least in the compression direction (Z), is prevented by this bearing of the holding means against the sealing element (2),
characterized in that
the holding means (4) has an abutment region (42) and can be applied to a side surface of the sealing element (2) with this abutment region (42) which side surface extends substantially perpendicular to the compression direction (Z) and the holding means (4) at least a first Fixing means (44), by means of which it is at least temporarily fixed to the wall element (12). Sealing system according to claim 1,
characterized in that
the sealing element (2) is designed as an elongated sealing strip which extends in a predetermined direction of extent (E), the compression direction (Z) preferably extending perpendicular to this direction of extent. Sealing system according to claim 1,
characterized in that
the sealing element (2) is compressible and / or deformable in several directions. Sealing system according to at least one of the preceding claims,
characterized in that
the fixing means (44) has an enlarged portion which is in one in the wall element (12) provided groove is clamped. Sealing system according to at least one of the preceding claims,
characterized in that
the holding means (4) has a second fixing means (46) which can likewise be fixed to the wall element (12). Sealing system according to claim 1,
characterized in that
the contact area (42) of the holding means (4) is arranged between the first fixing means (44) and the second fixing means (46). Sealing system (1) according to at least one of the preceding claims,
characterized in that
the sealing system further comprises a releasable on the wall element (12) and detachable from the wall element release element (52), wherein a release of this release element (52) also causes at least one-sided release of the holding means (4) of the wall element. Holding means (4) for retaining expandable bands in joints of wall elements (12) with a contact area (42) which can be applied to the retaining band (2), with a first fixing means (44) which in at least a first on the wall element (12) formed groove can be clamped and with a second fixing means (46) which on the wall element (12) is fixable and which is preferably in at least a second on the wall element (12) formed groove (16) can be locked, wherein the contact area between the first fixing means (44) and the second fixing means (46) is formed. Sealable wall element (12) having a first elongated groove (14) into which a sealing means (2) is inserted, said sealing means (2) being compressible at least in one compression direction (Z) and having a holding means which is connected via an open side ( 14a) of the groove (14) is laid and in particular tensioned, such that by this investment of the holding means (4) an expansion of the in the groove (14) arranged sealing means (2) is prevented, wherein at least a portion of the holding means (4) is releasably fixed relative to the wall element (12). Sealable wall element (12) according to claim 9,
characterized in that
the wall element (12) has at least one locking means for fixing the retaining means (4) to the wall element (12).

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