EP3150093B1 - Sealing sheet corner - Google Patents

Description

TECHNICAL AREA

The present invention relates to a sealing corner made of a sealing film according to claim 1, a sealing arrangement according to claim 11, a sanitary arrangement according to claim 14 and a method according to claim 15.

STATE OF THE ART

In sanitary engineering sealing films for connecting water-bearing components, such as shower surfaces, shower trays, floor drains, wall drains and the like are known. The sealing foils are tightly connected with respect to water with the component and are connected in the installed position with the component.

The orientation of the sealing film in the installed position depends essentially on the structural conditions. Typical orientations are in the vertical and the horizontal.

In the corner region of a water-conducting component, the sealing film is typically folded on site for installation. The folding is usually problematic because several layers of sealing must be connected to each other, for example with mortar or a coat of paint with the building.

The pamphlets US 6,401,402 and EP 2 604 160 disclose generic sealing foil corners.

PRESENTATION OF THE INVENTION

Starting from this prior art, the invention has a particular object to provide a sealing corner, which overcomes the disadvantages of the prior art. A particularly preferred object is to provide a sealing corner which is easier to assemble under the proviso of a flexible insert on various configurations to be sealed.

Accordingly, a sealing corner of a sealing film for sealing a sanitary fixture or parts of a sanitary room comprises a base part with at least two angularly inclined to each other and at a corner intersecting folding edges, a Folding part, and at least two mutually connected via the folding part in connection parts which are connected via the folding edges with the base part. The folding part is held by a separable and / or removable trained fuse element in a factory pre-folded or factory pre-assembled folding position, wherein upon separation and / or removal of the fuse element, the folding part of the prefolded or prefabricated folding layer can be unfolded in a Auffaltlage, such that at least one of the side parts is pivotable about the folding edge relative to the base part.

Due to the arrangement of the securing element, the sealing corner can be pre-folded at the factory and in the separation and / or removal of the securing element, the sealing corner can then be unfolded for the particular application. In other words, the sealing corner is provided as a corner design and can thus be installed directly in a wall corner or the sealing corner can be unfolded for a flat version or a base joint or a wall joint in the Auffaltlage. This significantly facilitates the work of the installer, because he no longer has to fold the sealing corner from a flat sealing foil on site, but - if necessary - can unfold from a sealing corner. In addition, due to the factory folding the sealing corner can be folded more accurately.

Another advantage that arises from the prefolded sealing corner is that the installer does not need to be provided with different parts for different installation situations, but that he himself provide these starting from the sealing corner by separating and / or removing the securing element and subsequent unfolding can.

By factory pre-folding can also be achieved that the folding site builds only minimally, since a better folding than on-site folding by the installer can be achieved.

Under a separable trained fuse element is a fuse element understood, which is easily separable or divisible. For example, such a securing element by hand or with the aid of a simple tool, such as a pair of scissors or a knife, can be easily separated.

A removably designed securing element is understood to be a securing element which can be easily removed or separated from the sealing corner. The removal or the separation can be done as a whole or only partially.

Under a sanitary fitting a shower tray, a floor-level shower tray, a bathtub, a support frame, a shower surface, a vanity, etc. understood. By parts of a sanitary room, for example, a corner in a bathroom or a base joint or a wall joint is understood. Here, the sealing corner can be used for example between tile and screed or otherwise. The corner or the joint can be formed in various ways, by way of example the transition between a wall and the floor or similar transitions in the region of a seat is called. The sealing corner can also be used in combination with other elements, which raises the question of sealing.

The angle between the two folded edges is preferably between 45 ° and 135 °, in particular the angle between the two folded edges is 90 °.

Preferably, in the folded position, the side parts extend at an angle inclined, in particular at right angles, from the base part. The folding part is preferably folded in the folded position to one of the side parts and is on the fuse element with the side part in separable connection.

The side panels with each other are also inclined at an angle to each other, wherein the angle between the side panels corresponds to the angle between the two fold edges.

Preferably, in the unfolding position, at least one of the side parts or both side parts and at least parts of the folding part or the whole folding part lie in an orientation different from the folded position relative to the base part. Preferably, the base part and the side part or the side parts lie in a common plane, which corresponds to a surface of the base part.

The securing element is a cohesive securing element, which connects the folding part to one of the side parts.

Depending on the arrangement, the cohesive securing element can also connect sections of the folding part to one another. For example, the folding part may have two folding part sections, which are connected to one another at their mutually facing surfaces with the material-locking securing element. One of the two Faltteilabschnitte is then connected to the cohesive securing element with one of the side panels.

A cohesive securing element is preferably understood to be an adhesive or a welded connection.

Preferably, the cohesive securing element extends over only a partial area of the abutting surfaces of the folding part or of the side part, the said area being smaller in area by a multiple than the abutting surfaces of the folding part or the side part. The partial surface can consist of one surface section or several surface sections.

In other words, the cohesive securing element does not extend over the entire surface of the respective parts of the sealing corner which lie flat against one another in the folded state.

In one embodiment, the cohesive security element by a supports other, non-positive and / or positive securing element. For example, the other securing element may be a clamp that holds the corresponding parts together. The clip is preferably designed such that it does not penetrate the sealing film of the sealing corner and / or that the clip applies little with respect to the film thickness of the sealing film. It would also be conceivable for areas of the folding part and / or the side part to be further folded together, the folding part being secured to the side part via this further configuration. As another securing element could also or alternatively a hook-and-loop fastener, a clamp closure and / or a closure are used by press-fitting.

Preferably, one of the two side parts comprises a first tab and the folding part comprises a second tab, which tabs are in the folded position with the securing element with each other. The fuse element connects the two tabs. Particularly preferably, the tabs extend from an outer edge of the side part or of the folding part.

• Ausschliessliche Anordnung des Sicherungselementes im Bereich der beiden Laschen; oder
• Anordnung des Sicherungselementes im Bereich der beiden Laschen sowie am Faltteil und dem entsprechenden Seitenteil

Preferably, the tabs are formed by the folding part and the side part cut off. With regard to the arrangement of the securing element in connection with the two tabs, two different embodiments are preferably possible:

• Exclusive arrangement of the fuse element in the region of the two tabs; or
• Arrangement of the securing element in the region of the two tabs and on the folding part and the corresponding side part

In one embodiment, the securing element is thus arranged exclusively in the region of the two tabs. By removing, in particular cutting away, of at least one tab or of both tabs, the securing element is thus also removed from the sealing corner. However, the securing element in the region of the two tabs can also be designed such that it can be separated, in particular torn, between the tabs.

In an alternative embodiment, the securing element is thus arranged in the region of the two tabs and on the folding part and the corresponding side part. By removing, in particular cutting away, of at least one tab or of both tabs, the securing element is thus also removed from the sealing corner; or by separating the fuse element connecting the two tabs, the fuse element can be separated. The securing element on the folding part and the corresponding side part can be separated as described above.

In the alternative, the tabs can be removed as described above and the securing element on the folding part and side part can be torn open or the securing element between the tabs and on the folding part or on the side part can be torn open.

Preferably, in the region of the folded edges and / or the fold lines on the folding part, an embossing extending in the direction of the folding edge or of the fold lines is provided. The sealing film is preferably a plastic film coated on both sides with a nonwoven. Preferably, the base part, the folding part and the two side parts are integrally connected to each other. Particularly preferably, the base part, the folding part and the two side parts are punched out of a film part.

Preferably, the elasticity of the sealing film in a direction transverse to a line extending at an angle α of 45 ° or 135 ° to the folded edges is greater than in the direction of said line. As a result, changes in length when installed can be compensated particularly advantageous.

A sealing arrangement comprises at least one sealing corner according to the above description and at least one band part, which adjoins one of the side parts and the base part and in folding position also has a folding edge, which forms the extension of the folding edge between side part and base part.

Seen in the direction of the fold edge of the sealing corner, the band part forms an extension of the side part and of the base part. The band part has transverse to the fold substantially the same extent as the side part and the base part. The band part thus also comprises a side part and a base part, which are connected to one another via a folding edge. In other words, the cross section of the band part is preferably the same as the cross section of the sealing corner through the side part and the base part.

In one embodiment, the band part is integrally formed on the sealing corner. It is therefore an integrally formed and integrally formed structure. In another embodiment, the band member is tightly connected to the sealing corner with respect to water and is preferably of the same material. The tight connection is preferably achieved via a cohesive connection, such as an adhesive connection or a welded connection.

In a preferred embodiment, the sealing arrangement forms the shape of a polygonal, in particular a quadrangular, sealing frame, wherein in each frame corner a sealing corner is arranged and the sealing corners are connected to each other via a band member. The band parts thus form the side edge of the polygonal sealing arrangement.

Particularly preferably, the elasticity of the band member is greater in a direction transverse to the fold edge of the band member than in the direction of the fold edge. As a result, changes in length when installed can be compensated particularly advantageous. Particularly preferably, the elasticity of the sealing corner is formed as described above. As a result, the transverse elasticity is approximately the same in all areas. This design is advantageous because, for example, a lowering of the screed can be easily compensated without the sealing effect would be adversely affected.

One embodiment of a sanitary arrangement comprises a sanitary fitting with a corner or parts of a sanitary room with a corner and a sealing corner arranged at the said corner as described above. The base part is with the corner of the built-in part tightly connected with respect to water, wherein the folding part and the side parts protrude from the mounting part. At least the base part is alternatively sealed to said parts of the sanitary room with respect to water, the folding part and the side parts preferably protruding from the junction between the base part and said parts.

An alternative embodiment comprises a built-in part with a corner or parts of a sanitary room with a corner and a sealing arrangement as described above, wherein the base part is tightly connected to said corner of the fixture with respect to water, wherein the hinge part is sealed to the fixture with respect to water and wherein the folding part and the side parts protrude from the mounting part.

In both versions with the sanitary arrangement with the inventive sealing corner or the sealing arrangement has the advantage that this can also be factory pre-assembled on the mounting part, the installer can then bring the sealing corner or the sealing arrangement in the desired position by the manipulation of the fuse element.

In both versions with the parts of the sanitary room, the sealing corner or the sealing arrangement can be formed without the built-in part. Sealing corner and sealing arrangement can serve, for example, the sealing of the sanitary room and are arranged accordingly in the room.

In both embodiments, in the installation position, the base part is preferably in contact with a surface on the installation part, which runs essentially in the horizontal direction. The side parts extend in the folded position then substantially in the vertical. An arrangement of the base part in the vertical but is also possible.

The sealing corner is in all embodiments preferably via the base portion with the sanitary fitting in connection.

The built-in part is in all embodiments preferably a shower tray, a floor-level shower tray, a bathtub, a support frame, a shower surface, a vanity unit, etc.

• dass für den Einbau der Dichtecke in eine Ecke des Gebäudes das Sicherungselement nicht aufgetrennt wird, und
• dass für den Einbau der Dichtecke im Bereich einer Sockelfuge des Gebäudes oder einer Ebene des Gebäudes das Sicherungselement aufgetrennt wird und die Seitenteile von der Faltlage in die Auffaltlage bewegt werden.

A method for preparing the installation of a sealing corner as described above is characterized in that, prior to the installation of the sealing corner, the sealing corner is prepared for the installation situation, namely,

• that for the installation of the sealing corner in a corner of the building, the securing element is not separated, and
• that for the installation of the sealing corner in the area of a base joint of the building or a level of the building, the securing element is separated and the side parts are moved from the folding position into the unfolded position.

An identical method can be used for the claimed sealing arrangement.

Further embodiments are given in the dependent claims.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1

eine perspektivische Ansicht einer Dichtecke in Faltlage;

Fig. 2

die Ansicht von Figur 1 in der gleichen Faltlage;

Fig. 3

eine perspektivische Ansicht einer Dichtecke nach Figur 1 zwischen der Faltlage und der Auffaltlage;

Fig. 4

eine perspektivische Ansicht einer Dichtecke nach Figur 1 in einer Auffaltlage;

Fig. 5

eine perspektivische Ansicht einer Dichtecke nach Figur 1 in einer anderen Auffaltlage als in Figur 1;

Fig. 6

eine Dichtanordnung mit Dichtecken gemäss den vorhergehenden Figuren in Faltlage; und

Fig. 7

die Dichtanordnung nach Figur 6 in Auffaltlage.

Preferred embodiments of the invention will be described below with reference to the drawings, which are given by way of illustration only and are not to be interpreted as limiting. In the drawings show:

Fig. 1

a perspective view of a sealing corner in the folded position;

Fig. 2

the view of FIG. 1 in the same fold position;

Fig. 3

a perspective view of a sealing corner after FIG. 1 between the folded position and the unfolded position;

Fig. 4

a perspective view of a sealing corner after FIG. 1 in a unfolded position;

Fig. 5

a perspective view of a sealing corner after FIG. 1 in a different orientation than in FIG. 1 ;

Fig. 6

a sealing arrangement with sealing corners according to the preceding figures in a folded position; and

Fig. 7

the sealing arrangement after FIG. 6 in unfolded position.

DESCRIPTION OF PREFERRED EMBODIMENTS

In the FIG. 1 a sealing corner 1 is shown from a sealing film for sealing a sanitary fixture. The sealing corner 1 serves to seal the sanitary fixture against a building in which the sanitary fixture is to be installed.

The sealing corner 1 can essentially assume two states, namely a folded layer, as in FIGS FIGS. 1 and 2 shown, and a Auffaltlage, as in the FIGS. 3 to 5 shown. The sealing corner 1 is factory brought in the folding position during their manufacture and delivered to the installer in the folded position. The installer can then adapt the sealing corner 1 on site to the installation situation in the building. For example, he can install the sealing corner 1 in a folded position or he can unfold the sealing corner 1 in the Auffaltlage and install in Auffaltlage. The unfolding of the sealing corner 1 from the folding layer into the unfolding position is much easier for the installer than the folding of the sealing corner on site, resulting in a simple installation for the installer. In addition, the potential for error also decreases, because the installer does not feel obliged to fix the sealing film after folding with aids, such as staples or the like, which could influence the sealing effect. Consequently, with the inventive sealing corner not only the installation easier, but also safer.

The sealing corner 1 comprises in the embodiment shown a base part 3 with at least two angularly inclined to each other and at a corner 4 outgoing folding edges 5, a folding part 6, and at least two on the folding part 6 in connection side panels 7, 8, which also over the folding edges 5 are in communication with the base part. The base part 3, the folding part 6 and the side parts 7, 8 are integrally connected with each other. In other words, the sealing corner 1 is formed in one piece.

The folding part 6 is held in the factory-prefolded folding position by means of a separable or separable securing element 9. The securing element 9 secures the folding part 6 to the side part 7, whereby the folding part 6 and also the side parts 7, 8 are held in their folded position. The securing element 9 thus prevents the two side parts 7, 8 and the folding part 6 from being folded into the unfolded position.

In a separation of the securing element 9, the folding part 6 can be unfolded in a Auffaltlage. In the FIGS. 3 to 5 the sealing corner 1 is shown in different Auffaltlagen. From the folded position into the unfolded position, the folding part 6 and at least one of the side parts 7, 8 are unfolded relative to the base part starting from the folded position.

In the folded position, as in the FIG. 1 shown, the side parts 7, 8 are inclined at an angle, here at right angles, away from the base part 3. The folding part 6 is folded over to one of the side parts, here to the side part 7, and is secured in its folded position with the securing element 9 to the side part 7.

In the FIG. 3 a liner between the fold sheet and the fold sheet is shown for illustration. In this intermediate layer, the securing element 9 has been separated and the folding part 6 and the side part 7, 8 have been pivoted relative to the base part 3.

In the FIGS. 4 and 5 the sealing corner 1 is shown in different Auffaltlagen. In the unfolding position, at least one of the side parts 7, 8 and parts of the folding part 7 is unfolded and lies in a different orientation to the base part 3 than in the folded position.

In the FIG. 4 another Auffaltlage is shown, in which case both side part 7, 8 and also the folding part 6 are unfolded in the Auffaltlage such that they lie in the same plane as the base part 3.

In the in the FIG. 5 As shown, the side part 7 extends in the same plane as the base part 3 and the side part 8 still extends at right angles to the base part 3. The folding part 6 here connects the two side part 7, 8 and is also oriented in the same position as that Side part 8. It is thus perpendicular to the base part 3 and the side part. 7

With reference to the FIGS. 1 to 5 Now further features of the inventive sealing corner 1 will be explained according to the present embodiment.

The base part 3 is formed in the figures shown substantially L-shaped. Seen from the corner point 4, two base part legs 18 extend along the respective folding edge 5 away. This provides the said L-shaped structure. The base part legs 18 here have the same length in the direction of the folded edges 5. The length of the two base part legs 18 may also be different. Alternatively, the base part 3 can also be provided as a rectangle or square.

In the embodiment shown, the folding part 6 comprises a plurality of fold lines 19 on which the folding part 6 is folded.

The securing element 9 can be designed in various ways.

According to the invention, the securing element is a cohesive securing element 9, which connects the folding part 6 to one of the side part 7, 8. For example, a cohesive securing element is a splice or a welding point, which connects the individual layers of the folding part 6 with the side part 7, 8. In a separation of the securing element 9, the cohesive connection point, ie the splice and / or the welding point is torn open by the installer. The cohesive securing element 9 is preferably dimensioned such that it can be separated by hand without the aid of a tool.

The cohesive securing element according to the first variant preferably extends over only a partial surface 12 of the abutting surfaces of the folding part 6 or of the side part 7. The said partial surface 12 is in the FIG. 1 drawn as a dashed rectangle. The cohesive securing element 9 may, for example, extend over the surface of the said quadrilateral. The physical shape of said subarea 12 may also be different. For example, the partial surface 12 may be divided into several regions. It is thus possible that the cohesive connecting element extends over a plurality of regions, which then result in the partial surface 12 of the abutting surface. Examples of such areas are adhesive dots, glue lines, welding points or welding lines.

Said partial surface 12 is smaller in area by a multiple than the said adjacent surfaces of the folding part 6 and the side part 7, 8. This allows a special simple separation of the cohesive securing element 9 can be achieved.

In one embodiment, the securing element 9 is the combination of the first and the second variant. The cohesive securing element is supported by a non-positive and / or positive securing element.

In the embodiments shown, one of the two side parts 7, 8, here the side part 7, comprises a first tab 13. The folding part 6 comprises a second tab 14. The tabs 13, 14 are optional, that is, the sealing corner 9 could according to the above description be formed without the tabs 13, 14. The tabs 13, 14 have the same shape and are from an upper edge 20 of the side part 7, 8 away. The tabs 13, 14 are integrally formed on the side part 7 and on the folding part 6.

The tabs 13, 14 are in the folded position on the fuse element 9 according to the above variants with each other. But particularly preferred is the securing element 9 according to the first variant, namely the cohesive securing element. 9

In the embodiment shown, the first tab 13, as already explained, the side part 7 is formed. The second tab 14 is arranged on the folding part 6 at the folding part section 11 located farther away from the side part 7. Thus, the closer to the side part 7 Faltenteilabschnitt 10 of the folding part 6 is clamped between the fold portion 11 and the side part 7. The appropriate arrangement of the tabs can also be good in the FIGS. 3 to 5 be recognized.

The cohesive securing element 9 extends over a surface 21, which is shown in the region of the flap with an ellipse. The securing element 9, which is arranged in the region of the tabs 13, 14, but can also be another physical Have expansion. The securing element 9 in the region of the tab 13, 14 may extend over the entire area over the mutually facing surfaces of the tabs 13, 14 or it may also extend only over a surface part of the facing surfaces.

• Ausschliessliche Anordnung des Sicherungselementes 9 im Bereich der beiden Laschen 13, 14; oder
• Anordnung des Sicherungselementes 9 im Bereich der beiden Laschen 13, 14 und in der Teilfläche 12 gemäss obiger Beschreibung.

In the presence of the tabs 13, 14, either the arrangement of the securing element 9 in the partial surface 12 can be dispensed with, or the securing element 9 can additionally be arranged in the region of the partial surface 12. So there are two possible versions:

• Exclusive arrangement of the securing element 9 in the region of the two tabs 13, 14; or
• Arrangement of the securing element 9 in the region of the two tabs 13, 14 and in the partial surface 12 according to the above description.

The two tabs 13, 14, which are held together by the securing element 9, can be separated from each other in various ways.

First, it is possible that the two tabs 13, 14 or one of the two tabs 13, 14 are cut off by a cut with a pair of scissors or a knife from the side part 7 and the folding part 6, respectively. In this case, the securing element 9 is also separated from the sealing corner 1, whereby it can be folded in Auffaltlage. If an additional securing element 9 is arranged in the partial surface 12, this would also have to be separated.

Second, it is possible that the securing element 9, which connects the two tabs 13, 14 in the region of the tabs 13, 14, analogous to the securing element 9 as described above separate.

As mentioned above, the securing element 9 can also be provided by the second variant described above.

Of the FIG. 3 can be well recognized that in the region of the folded edges 5 and the fold lines 19 on the folding part 6 is provided in the direction of the folding edge 5 and the fold lines 19 embossing 15 is provided. The embossment 15 is factory before the Fold the folding part 6 and the side parts 7, 8 introduced into the folding position. By embossing 15, the folding and unfolding can be greatly simplified.

The sealing film of the sealing corner 1 is preferably a plastic film coated on both sides with a nonwoven. But other materials can also be used.

The elasticity of the sealing film of the sealing corner 1 is greater in a direction Q transverse to a line L which extends at an angle α of 45 ° or 135 ° to the folded edges 5, as in the direction of said line L. This allows the greatest possible flexibility be provided in the desired direction of the sealing corner 1.

In the FIGS. 6 and 7 a sealing arrangement is shown. The sealing arrangement comprises four sealing corners 1, which are in each case connected to a band member 16 with each other. The band member 16 is tightly connected to the corresponding sealing corner 1 with respect to water. The joints carry the reference numeral 22. Alternatively, the sealing corners 1 and the band members 16 may also be integrally formed.

The cross section of the tape part following at a sealing corner seen transversely to its folding edge 17 corresponds substantially to the cross section of the sealing corner 1 seen transversely to the folding edge 5 in the region of the connection point 22. The band member 16 preferably also comprises a side part 7 and a base part 3, wherein the base part 3 is connected via a folding edge 5 with the side part 7 in connection.

In the FIG. 6 the sealing arrangement is in the folded position. Inside the sealing arrangement, a built-in part 2 can be arranged, which is then tightly connected to the base part 3 of the sealing corner 1 and with the band member 16 with respect to water. The combination of sealing arrangement and built-in part can be referred to as a sanitary arrangement. The connection between base part 3 and built-in part 2 as well as between hinge part 16 and built-in part 2 extends in the installed position in the horizontal. However, the base part 3 may also extend in the vertical, wherein it is then arranged, for example, on an end face of the mounting part.

In the FIG. 7 three sealing corners 1 have been moved from the folded position into the unfolded position. A sealing corner 1 is still in the folded position. With such a configuration, it would be conceivable to install the built-in part 2, which here has the shape of a shower plate, in a corner in a bathroom and connect the fitting 2 tightly to the building via the sealing arrangement.

Preferably, the elasticity of the band member 16 in a direction transverse to the fold edge 17 of the band member 16 is greater than in the direction of the fold edge 17. In particular in connection with the above-described elasticity of the sealing corner 1, this design has the advantage that the elasticity is provided in the direction in which strains occur frequently.

LIST OF REFERENCE NUMBERS

1

tight corner

2

sanitary fitting

3

base

4

corner point

5

folding

6

folding part

7

side panel

8th

side panel

9

fuse element

10

Faltteilabschnitt

11

Faltteilabschnitt

12

subarea

13

first tab

14

second tab

15

embossing

16

band part

17

fold

18

Base leg

19

fold lines

20

upper edge

21

surface

22

joints

L

line

Q

transversely

Claims (15)

1. Sealing corner (1) of a sealing foil, in particular for sealing of a sanitary mounting part (2) or of parts of a sanitary room, comprising
   a base part (3) with at least two folding edges (5) running in an inclined angular manner to each other and intersecting each other in a corner point (4),
   a folding part (6), and
   at least two lateral parts (7, 8) connected to each other via the folding part (6), which are connected to the base part (3) via the folding edges (5),
   wherein the folding part (6) is held via a separably and/or removably formed securing element (9) in a factory-made pre-folded folding state, wherein when the securing element (9) is separated and/or removed, the folded part (6) can be folded into a unfolding state, such that at least one of the lateral parts (7, 8) is tiltable about the folding edge (5) relative to the base part (3),
   and wherein the securing element (9) is an adhesively bonding securing element, which connects the folding part (6) to one of the lateral parts (7, 8).
2. Sealing corner (1) according to claim 1, characterized in that in the folding state the lateral parts (7, 8) extend in an inclined angular manner, especially perpendicularly, from the base part (3) and that the folding part (6) is folded toward one of the lateral parts (7, 8), and that in the unfolding state at least one of the lateral parts (7, 8) and parts of the folding part (6) or the entire folding part (6) lie in an orientation to the base part (3) which differs from the folding state.
3. Sealing corner (1) according to one of the preceding claims, characterized in that the adhesively bonding securing element (9) only extends over a partial area (12) of the abutting surfaces of the folding part (6) or of the lateral part (7, 8), respectively, wherein said partial area (12) is smaller by multiples in terms of area than said abutting surfaces of the folding part (6) or of the lateral part (7, 8), respectively.
4. Sealing corner (1) according to one of the preceding claims, characterized in that the securing element (9) is a securing element (9) based on force-closure and/or form-closure.
5. Sealing corner (1) according to one of the preceding claims, characterized in that characterized in that one of the two lateral parts (7) comprises a first lug (13) and that the folding part (6) comprises a second lug (14), wherein said lugs (13, 14) are connected to each other in the folding state via the securing element (9).
6. Sealing corner (1) according to claim 5, characterized in that the securing element (9) is arranged exclusively in the region of the two lugs (13, 14); or that the securing element (9) is arranged in the region of the two lugs (13, 14) as well as on the folding part (6) and on the corresponding lateral part (7, 8).
7. Sealing corner (1) according to one of the preceding claims, characterized in that in the region of the folding edges (5) and/or the folding lines on the folding part (6) an embossing (15) running in the direction of the folding edge (5) or of the folding lines, respectively, is provided.
8. Sealing corner (1) according to one of the preceding claims, characterized in that the sealing foil is a plastic foil coated on both sides with a non-woven fabric, and/or that the base part (3), the folding part (6) and the two lateral parts (7, 8) are connected to each other in an integrally formed manner.
9. Sealing corner (1) according to one of the preceding claims, characterized in that the elasticity of the sealing foil in a direction (Q) perpendicular to a line (L) which runs at an angle (α) of 45° or 135° to the folding edges (5), is greater than in direction of said line (L).
10. Sealing arrangement comprising at least the sealing corner (1) according to one of the preceding claims and at least one band part (16), which is connected to one of the lateral parts (7, 8) and to the base part (3) and in a folding state also comprises a folding edge (17), which forms the extension of the folding edge (5) between the lateral part (7, 8) and the base part (3).
11. Sealing arrangement according to claim 10, characterized in that the band part (16) is integrally formed with the sealing corner (1), or that the band part (16) is connected to the sealing corner (1) in a watertight manner and preferably is formed of the same material.
12. Sealing arrangement according to one of claims 10 to 11, characterized in that the sealing arrangement has the form of a polygonal, especially quadrangular sealing frame, wherein in each corner of the frame a sealing corner (1) is arranged, and the sealing corners (1) are each connected to each other via a band part (16).
13. Sealing arrangement according to one of claims 10 to 12, characterized in that the elasticity of the band part (16) in a direction perpendicular to the folding edge (17) of the band part (16) is greater than in direction of the folding edge (17).
14. Sanitary arrangement
    comprising a mounting part (2) with a corner or parts of a sanitary room with a corner, and a sealing corner (1) according to one of the claims 1 to 9;
    wherein the base part (3) is connected to the corner of the mounting part (2) in a watertight manner und wherein the folding part (6) and the lateral parts (7, 8) stick out of the mounting part (2);
    or wherein at least the base part (3) is connected with said parts of the sanitary room in a watertight manner;
    or comprising a mounting part with a corner or parts of a sanitary room with a corner and a sealing arrangement according to one of the preceding claims 10 to 13; wherein the base part (3) is connected to said corner of the mounting part (2) in a watertight manner, wherein the band part (16) is connected with the mounting part (2) in a watertight manner and wherein the folding part (6) and the lateral parts (7, 8) stick out of the mounting part (2);
    or wherein at least the base part (3) and parts of the band part (16) are connected to said parts of the sanitary room in a watertight manner.
15. Method for preparing of the mounting of a sealing corner (1) according to one of the preceding claims 1 to 9, characterized in that prior to the mounting of the sealing corner (1) the sealing corner (1) is prepared to the mounting situation, namely,
    that for the mounting of the sealing corner (1) in the corner of the building the adhesively bonding securing element (9) is not unfolded, and
    that for the mounting of the sealing corner (1) in the region of a base joint of the building or of a plane of the building, the adhesively bonding securing element (9) is unfolded and the lateral parts (7, 8) are brought from the folding state to the unfolding state.

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