EP2527560A2 - Method for laying a floor lining and angled belt used for same - Google Patents

Abstract

The method involves forming a continuous groove (7') along bottom edge among a floor (3) and side walls (5), and introducing elastic material (10') i.e. round cord, into the groove. A floor covering (8') is arranged on a supporting foundation and laid into the groove such that front end of the covering is lined up to the elastic material, where the elastic material is made of plastic foam i.e. closed cell polyurethane foam. A permanent elastic sealant (11) made of rubber is provided in an interstice among surfaces of the covering and inner surfaces of the groove.

Description

The invention relates to a method for laying a floor covering on a load-bearing substrate, as well as an angle band used for carrying out the method and also to a milling cutter used for carrying out the method.

Such a method for laying floor coverings is from the AT 413 720 B known. Here, a continuous groove along the abutting edge between the substrate and the limiting side walls is introduced. After the introduction of the groove laying the floor covering is done in such a way that the outer edge of the floor covering extends into the groove. The flooring thus does not end a few inches in front of the side wall, but protrudes into the groove of the side wall. By this laying method, the advantage is achieved that the expansion joint is moved into the groove, as well as the side wall, and is not visible from the outside. To cover the expansion joint or the groove very thin, hardly applied bands or the like can be used.

However, the described method has the disadvantage that it is applied to floor coverings, which are applied in the casting process, such. B. industrial flooring, is not suitable. A poured flooring would fill the groove so that no expansion joint would remain in which the flooring could work. Therefore, the known method can not be used for poured floor coverings.

Another disadvantage of the known method according to the AT 413720 B is that a sufficient corner seal is not permanently secured. Such a corner seal plays a role above all when a permanently elastic sealing of the corner is required, which can absorb mechanical stresses for a long time without tearing.

The object of the invention is therefore to show a method for laying a floor covering, in which cast but also conventionally laid floor coverings can be installed with an invisible expansion joint according to the method described above.

This object is achieved by the features of claim 1.

Preferred embodiments and further advantageous features of the invention are indicated in the dependent claims.

According to a further feature of the invention, the invention consists in that a special angle band is inserted into the groove to improve the sound insulation, which is formed obliquely and has two legs formed at an angle to each other, which fill and cover the groove on one side.

By introducing the angle band, it is no longer possible that the reaching into the groove floor covering abuts the on-site given walls and forms an undesirable sound bridge. This is effectively avoided by the inserted angle band according to the invention.

By introducing the angle band, a continuous floating floor covering is ensured, in which no sound bridges can not form unwanted sound bridges to the existing walls by intrusion of plastering material into the groove, adhesive residue and the like.

According to a further feature of the invention, the angle band is formed not only of two angularly aligned legs, but on one leg joins still an extended adhesive flap, which is suitable to be drawn into the room and under the floor covering on top of the Screed to be glued, in this way, by attaching the adhesive flap optical control is possible, whether the Angle band according to the invention also sits in place of its installation, because the adhesive flap protrudes out of the obliquely mounted in the wall groove outwards and is glued on the screed well visible.

The method for laying a floor covering on a load-bearing surface comprises the insertion of a continuous groove along the abutting edge between the substrate and the delimiting side walls by means of an obliquely mounted milling cutter, wherein the floor covering is laid down reaching into the groove. According to the invention, an elastic material is introduced into the groove, and a floor covering is applied to the substrate and laid into the groove, wherein the floor covering is present at least with its end face on the elastic material.

In a preferred embodiment of the invention, the inner surfaces of the groove are lined with the elastic material, wherein a pourable flooring is applied to the substrate, which fills the lying below the surface of the floor covering volume of the lined groove.

By using the elastic material to line the groove, a space occupied by the material, which serves as an expansion joint, remains between the inner surfaces of the groove and the floor covering and gives the floor covering the opportunity to work. The elastic material also serves for sound insulation, so that no impact sound transmitted from the floor to the wall.

In another preferred embodiment of the invention, the elastic material is formed as a round cord and arranged between the end face of the floor covering and an inner surface of the groove.

The elastic material may be a foamed plastic, preferably based on polyurethane. It is preferably used a closed-cell plastic foam, so that the casting material of the floor covering can not penetrate into the plastic foam. The lining of the elastic material can be placed in cross-section approximately U-shaped in the groove so that it completely covers the surfaces of the groove.

To seal the floor covering against the side walls silicone joints have been used. However, silicone has the disadvantage that it hardens and is then exposed to mechanical stress and Dehnbelastungen the soil. This causes the silicone joint to rupture and leak after some time, for example, by cleaning the floor or especially by lowering the screed.

According to the invention it is now proposed that a sealant is introduced into the space between the surfaces of the floor covering and the elastic material located in the groove. As a sealant, a permanently elastic material is preferred, which is introduced into the space between the floor covering and lining of the groove flush with the side wall. This permanently elastic material does not harden and can absorb movements of the floor covering and offers an excellent sealing effect.

The sealed with the sealant groove can now be covered with a tape, as a kind of protective or baseboard or wall protection or rubbing strip or wiper tape. The band is preferably formed as a roll and is attached to the side wall. The sealant is covered by the tape with the bottom edge of the tape resting on the flooring. The sealant is long lasting - permanently elastic and does not harden - because it is exposed by the protection of the tape no mechanical stress. The tape can be glued, screwed or otherwise attached to the sidewall.

The subject of the present invention results not only from the subject matter of the individual claims, but also from the combination of the individual claims with each other. All information and features disclosed in the documents, including the abstract, in particular the spatial ones shown in the drawings Training, are claimed as essential to the invention, as far as they are new individually or in combination over the prior art.

In the following the invention will be explained in more detail with reference to the drawings. Here are from the drawings and their description further features essential to the invention and advantages of the invention.

Figur 1:

einen seitlichen Schnitt durch ein Gebäude mit Boden und Seitenwand, wobei der Bodenbelag erfindungsgemäß bis in die Nut hinein verlegt ist

Figur 2:

einen seitlichen Schnitt durch ein abgewandeltes Ausführungsbeispiel der Erfindung.

Figur 3:

schematisiert einen Schnitt durch einen Wandanschluss eines Bodenbelages mit dem erfindungsgemäßen Winkelband und der dauerelastischen Abdichtung

Figur 4:

die Stirnansicht des Winkelbandes nach Figur 3 im nichtmontierten Zustand

Figur 5:

eine weitere Ausführung eines Fugendichtbandes, welches vor allem für eine dauerelastische Abdichtung im Sanitärbereich verwendet wird

Figur 6:

die Stirnansicht des Fugendichtbandes nach Figur 5

Figur 7:

die Ansicht eines Fräsers zur Anbringung einer schrägen Nut

Show it:

FIG. 1:

a side section through a building with floor and side wall, wherein the floor covering is laid according to the invention into the groove

FIG. 2:

a lateral section through a modified embodiment of the invention.

FIG. 3:

schematizes a section through a wall connection of a floor covering with the angle band according to the invention and the permanently elastic seal

FIG. 4:

the front view of the angle band after FIG. 3 in unmounted condition

FIG. 5:

Another embodiment of a joint sealing strip, which is mainly used for a permanently elastic seal in the sanitary area

FIG. 6:

the front view of the joint sealing tape after FIG. 5

FIG. 7:

the view of a router for attaching an oblique groove

FIG. 1 shows in section a section of a building, wherein as a stable surface a ceiling 1 is shown, which is bounded by a side wall 5. In the usual way, an insulation 2 is arranged on the ceiling 1, on which z. B. a screed 3 is applied. The side wall 5 carries for example a Plaster 6, wherein between plaster 6 and the insulation 2 and the screed 3, an insulating strip 4 is arranged. Depending on the floor structure and applied flooring the screed 3 can also be omitted. These measures are state of the art and may vary depending on the construction and construction projects.

Along the bumping edge between the load-bearing surface, namely the screed 3, and the side wall 5 with plaster 6, a groove 7 is introduced. The groove 7 runs continuously on the entire bottom edge of a room. Preferably, the groove 7 is rectangular in cross-section and arranged at an acute angle, for example, 45 ° relative to the bottom surface. The longitudinal axis of an in FIG. 7 shown milling cutter is therefore aligned obliquely at an angle of 45 degrees in the corner of the room.

According to the invention, the groove 7 is now lined with an elastic material 10. This may be a closed-cellular, foamed plastic, which completely covers the walls of the groove. The plastic can be used as a plate product with a few millimeters thickness. For example, the foamed plastic may be 4 to 5 mm thick. The plate product is then cut to size and placed approximately U-shaped in the groove 7. But just as well could a finished, in cross-section U-shaped profile made of foamed plastic for the lining of the groove 7 are used.

After lining the groove with the elastic material 10, the floor covering 8 can now be applied to the substrate 3. In particular, a pourable floor covering 8, for example an industrial floor, can be used, which is applied to the substrate 3. The floor covering 8 flows into the lined groove 7 and fills the lower lying areas of the groove 7. By lining 10, however, remains a sufficient distance between the floor covering 8 and the wall of the groove 7, which serves as an expansion joint and allows working of the floor covering. Furthermore, the elastic material of the sound insulation.

For sealing between the floor covering 8 and the side wall 6, a permanently elastic sealing compound 11 can then be introduced in the intermediate space between the surface of the floor covering 8 and the lining 10, which terminates flush with the side wall 6. This permanently elastic material 11 preferably fills the remaining gap between the floor covering 8 and the lining 10 completely and seals this area permanently.

Because no expansion joint between the edge of the floor covering 8 and the side wall 6 must be provided, and also the seal in the groove 7, a very thin band 9 can be used as a conclusion, which is preferably glued or screwed to the side wall 6 , Within the groove 7 remains due to the elastic lining material 10 enough space for the floor covering 8 for a temperature-induced expansion. The sealant 11 is covered by the band 9 and can remain permanently elastic, since it is not exposed to mechanical stresses.

FIG. 2 shows a modified embodiment of the invention, wherein the general description of FIG. 1 applies and the same components are provided with the same reference numerals.

In contrast to FIG. 1 is used as floor covering 8 'a conventional, laying flooring, such as floor tiles or parquet floor. The floor covering is laid into the groove 7 '. Between the end face of the floor covering 8 'and the inner surface of the groove, an elastic material 10' in the form of a round cord is introduced according to the invention, which prevents direct contact between the floor covering and the wall surface. The elastic material 10 'serves as an expansion joint and on the other for sound insulation, so that no impact sound from the floor covering 8' on the plastered wall 5, 6 is transmitted. For example, foamed plastic can be used as the elastic material 10 '.
The sealing of the groove 7 'and the wall termination takes place as in connection with it FIG. 1 is described.

The FIG. 3 shows a further embodiment of the invention, where it is shown that the previously already explained, obliquely placed groove 7, 7 'is formed in a corner of the room in the area of the plaster 6 mounted there. For this purpose, a special cutter is used, which in FIG. 7 is shown in more detail.

Preferably, the obliquely directed groove 7 is introduced according to the invention only in the plaster 6, in order not to injure the wall 5 due to structural physical reasons.

In special applications, however, it may also be provided that the groove 7 extends into the region of the wall 5.

An essential feature of the invention is now that the floor covering 8 extends with its end face 19 into the region of the obliquely directed groove, wherein the groove bottom of the obliquely directed groove 7 is filled with an inventive angle band 13.

It is important here that the angle band 13 consists of at least two contiguous legs 14, 15 which are preferably pivotally connected to each other by a groove 16 separating the two legs.

It is further preferred if an extended adhesive flap 17 is arranged on the one leg 15.

Such an angle band 13 can now be easily introduced into the obliquely oriented groove, for example by the lower leg 15 is placed or glued to the obliquely inwardly directed groove bottom 7a, while the leg 14 to the groove wall 7a adjacent to the groove bottom 7a invests.

In this way, an effective protection against contact for the end face 19 of the floor covering 8 is given in the groove 7 so as to avoid that the Front side 19 of the floor covering 8 abuts the inside of the groove 7 and there forms an undesirable sound bridge to the wall 5.

It is important here that the adhesive flap is placed over the beveled by the cutter insulating strip 4 out on the surface of the screed 3, to ensure optical control of the proper laying of the angle band 13.

So long as the flooring 8 is not yet laid, can be controlled by viewing the adhesive flap 17, whether the angle band 13 has been mounted in its proper mounting position.

It is particularly advantageous that in the obliquely oriented groove with the also tapered groove wall 7c a permanently elastic seal 12 can be injected, which is formed relatively large volume. It is known that with silicone permanently elastic seals only a tear strength in the range of 5%, since the seal must cure and must withstand mechanical stresses.

However, such a low tensile strength is usually insufficient. For this reason, the invention provides that in the obliquely directed groove wall 7c a larger-volume permanently elastic seal in the form of a PU sealing material is injected, which has a much better tear resistance.

Thus, the entire volume above the floor covering 8 - as in FIG. 3 shown - are filled with the larger-volume permanently elastic seal 12 and the front side is covered according to the invention by the band 9, which extends to the top of the floor covering 8.

In this way, an absolutely clean and visually perfect corner seal is produced so that, apart from the floor covering and the band 9, nothing is visible after the floor covering has been laid later. Essential in the invention is therefore that the groove 7 is aligned with its groove bottom 7a obliquely forward and in the complementary angle, the groove wall 7c obliquely aligned, so as to give a wedge-shaped groove, the groove bottom 7a and groove wall 7b through the inventive angle band 13 is filled.

Due to the obliquely directed into the space groove 7, which is produced with the cutter according to the invention to be explained later, it also follows that the applied to the screed insulating strip 4 receives at its upper end a slope 20 on which the adhesive flap 17 rests with.

The volume of the groove 7, which forms the cavity 18, must be chosen so large that there is a sufficient distance between the end face 19 of the floor covering 8 and the angle band 13 in order to ensure a temperature-induced longitudinal expansion of the floor covering.

In a development of the present invention, the obliquely oriented groove according to the invention is also used for mounting a novel joint sealing strip 21.

Such a joint sealing tape is mainly used for the corner lining in sanitary areas, it is essential that in sanitary or wet areas a particularly durable corner seal is required and must be taken to ensure that despite tensions in the screed and despite corresponding subsidence of the flooring (tiles) Joint sealing tape does not rupture and leads to a leak in this wet area.

For this purpose, the invention provides that the joint sealing strip 21 according to FIG. 6 consists of two legs 22, 23, which lie in the unassembled state approximately in a plane, wherein the two legs are material integral with each other via an approximately semicircular arcuate tab 24.

The said joint sealing strip 21 is preferably made of a textile impregnated with plastic, which is waterproof and has a high tensile strength. Instead of a woven or knitted textile, a nonwoven material or a fleece can also be used.

Decisive for the joint sealing strip according to the invention is namely the tab 24, which connects the two straight legs 22, 23 in an arc shape with each other. It is not necessary that the tab 24 is formed semicircular. It can also be designed as a quadrant, it can also be oval or formed as a triangular profile. It is only essential that by the tab 24, a certain expansibility of the joint sealing strip in the direction of the longitudinal axes of the legs 22, 23 after FIG. 6 is guaranteed, so that even with the action of breaking forces acting in the longitudinal direction of the legs 22, 23, the tab 24 always provides a balance and tearing of the joint sealing tape in the corner area is avoided with certainty.

In the illustrated embodiment according to FIG. 5 It is therefore contemplated that the two legs 22, 23 are glued only in the adhesive areas 26 with the wall or the plaster of the wall and with the screed and that the tab 24 is completely free in the obliquely directed groove 7 and this for a Length compensation can provide.

In this way, it is always ensured that even when subsidence in the screed, the resulting changes in length are taken form altering of the tab 24 without the tab 24 tears.

In this way, a permanent seal with the novel corner seal in the wet area can be maintained even if strong subsidence occur in the screed or in the floor covering. In the embodiment shown, the floor covering is shown as a tile 25. However, it can also be parquet or any other flooring. It is important that the leg 23 also extends on the screed over a certain way of the adhesive area 26 into the room, in order to achieve an airtight seal of the entire angular range over the joint sealing strip 21 according to the invention.

In a preferred embodiment of the present invention it is provided that the length of the legs 22, 23 is about 50 mm and the length of the arcuate shape of the tab 24 is 15 to 20 mm.

In this way, it is always ensured by the choice of the size ratios between the legs 22, 23 and the tab 24 that tearing of the joint sealing strip 21 in the region of the inclined groove 7 is avoided even with large subsidence in construction.

In the FIG. 7 the special embodiment of a milling cutter is shown, which is suitable for introducing the obliquely oriented groove in the plaster. Important in this cutter is that you achieved a symmetrical groove with an approximately arrow-shaped, sharpened groove bottom, in which groove then optionally in FIG. 1 illustrated elastic band or in FIG. 3 shown angle band is inserted.

The tool with the round profile cutter 28 after FIG. 7 is according to FIG. 3 with its cutter axis 29 in the direction of the longitudinal extent of the groove, ie, in the direction of the axis of symmetry 27 obliquely applied from above, so that the cutter 28 obliquely retracts down into the groove and the special Nutenform according to the FIGS. 1 or 3 or 5 achieved.

drawing Legend

1

underground

2

insulation

3

screed

4

insulating

5

wall

6

plasterwork

7,7 '

groove

7a

groove base

7b

groove wall

7c

groove wall

8,8 '

Flooring

9

tape

10.10 '

elastic material

11

seal

12

permanently elastic seal

13

brace

14

leg

15

leg

16

groove

17

adhesive tab

18

cavity

19

front

20

slope

21

Fugendichtband

22

leg

23

Thigh (bottom)

24

flap

25

Tile or parquet

26

adhesive area

27

Axis (the groove)

28

milling cutter

29

cutter axis

Claims (14)

A method for laying a floor covering on a load-bearing surface, wherein a continuous groove (7) along the abutting edge between the substrate (3) and the limiting side walls (5) is formed, and the floor covering (8) is laid reaching into the groove in that an elastic material (10, 10 ') is introduced into the groove (7, 7'), and a floor covering (8, 8 ') is applied to the substrate and extends into the groove (7, 7') is laid in, wherein the floor covering (8 '8') at least with its end face on the elastic material (10, 10 ') is present. A method according to claim 1, characterized in that the inner surfaces of the groove (7) are lined with the elastic material (10), and a pourable flooring (8) is applied to the substrate, which lies below the surface of the floor covering (8) Volume of the lined groove (7) fills. Material for carrying out the method according to claim 1 or 2, characterized in that the elastic material (10 ') is formed as a round cord and between the end face of the floor covering (8') and an inner surface of the groove (7 ') is arranged. Material for carrying out the method according to claim 1 or 2, characterized in that a foamed plastic is used as the elastic material (10; 10 '). Material according to one of claims 1 to 4, characterized in that as elastic material (10, 10 ') a plastic of a closed-cellular polyurethane foam is used. Material for laying a floor covering on a load-bearing surface, wherein a continuous groove (7) along the abutting edge between the substrate (3) and the limiting side walls (5) is formed, and the floor covering (8) is laid reaching into the groove , by characterized in that the floor covering (8) with its end face (19) extends into the region of the obliquely directed groove, and in that the groove bottom of the obliquely directed groove (7) is filled with an angle band (13). Material according to claim 6, characterized in that the angle band (13) consists of at least two contiguous legs (14, 15) which are preferably pivotally connected to each other by a groove separating the two legs (16). Material according to claim 6 or 7, characterized in that on the one leg (15) of the angle band, an extended adhesive flap (17) is arranged. Material according to one of claims 6 to 8, characterized in that the adhesive flap (17) is placed over insulating strips (4) on the surface of the screed (3) to ensure optical control over the proper laying of the angle band (13) , Material for laying a floor covering on a load-bearing surface, wherein a continuous groove (7) along the abutting edge between the substrate (3) and the limiting side walls (5) is formed, and the floor covering (8) is laid reaching into the groove , characterized in that in the obliquely oriented groove a joint sealing strip (21) is installed, which is designed as an angled water and air-tight impregnated textile tape or fleece. Material according to one of claims 1 to 10, characterized in that the joint sealing strip (21) consists of two legs (22, 23) which lie in the unassembled state approximately in a plane, wherein the two legs have a curved tab (24). material integral with each other. Method for processing the material according to one or more of the preceding claims 1 to 11, characterized in that the two legs (22, 23) of the joint sealing strip (21) only in the thigh-side adhesive areas (26) with the wall or the plaster of the wall or the screed are glued and that the tab (24) is free in the obliquely directed groove (7) and ensures a length compensation. Method according to one of claims 1 to 12, characterized in that a sealing compound (11) in the space between the surfaces of the floor covering (8, 8 ') and the inner surface of the groove (7, 7') is introduced. Method according to one of Claims 1 to 13, characterized in that a flexible strip (9) held in rolls is attached to the side wall (5, 6), the sealing compound (11) being concealed and the lower edge of the strip resting on the strip Flooring (8; 8 ') rests.

Images