EP4124281B1 - Shoe stripping trough, modular shoe stripping system, and method for producing a shoe stripping trough - Google Patents

Description

The invention relates to a shoe scraper tray for installation in the floor or in a floor covering according to patent claim 1, a modular shoe scraper system according to patent claim 13, a method for producing a shoe scraper tray according to patent claim 16 and a method for opening at least one edge drainage opening in a tray edge and/or at least one floor drainage opening in a tray bottom of a shoe scraper tray according to patent claim 17.

DE 100 48 533 A1 describes a frame for a doormat that can be put together from individual parts. Water regularly gets in through doormats or doormat grates, especially when used outdoors in front of a front door, for example via wet shoes or direct rain. Such a frame for a doormat offers no drainage or at best very uncontrollable drainage. This results in wet doormats or, in the worst case, flooding, which on the one hand is perceived as unpleasant and on the other hand can lead to damage and the associated costs. 2.

DE-U-20001512 discloses a drainable shoe scraper tray for installation in the floor or a floor covering according to the preamble of claim 1. US-A-2021030255 discloses a method with an edge drainage opening in a bottom drainage opening.

The invention is based on the object of providing a shoe scraper tray for installation in the floor or in a floor covering as well as a corresponding modular shoe scraper system and a method which makes it possible to provide a flexible and easily implemented drainage of shoe scraper trays and to simplify the assembly and manufacture of shoe scraper trays.

• ein Wannenelement, das einen Wannenboden sowie einen umlaufenden Wannenrand aufweist;
• mindestens ein bereichsweise entfernbares Öffnungselement;

wobei das mindestens eine Öffnungselement so ausgebildet und angeordnet ist, dass es mindestens eine Randdrainageöffnung im Wannenrand und/oder mindestens eine Bodendrainageöffnung im Wannenboden freilegbar verschließt.In particular, the object is achieved by a drainable shoe scraper tray for installation in the floor or a floor covering, wherein the shoe scraper tray has the following:

• a tub element which has a tub base and a surrounding tub rim;
• at least one partially removable opening element;

wherein the at least one opening element is designed and arranged such that it closes at least one edge drainage opening in the tub edge and/or at least one bottom drainage opening in the tub bottom in an exposed manner.

An important point of the invention is to provide a shoe scraper tray in which drainage openings can be introduced at different positions in the tray floor and/or in the tray edge. The shoe scraper tray offers a predefined number of drainage openings (initially) closed by layer elements of the opening element, of which one or more can be opened in a simple manner when the shoe scraper tray is installed, for example, in order to be able to flexibly adapt a position of a drainage or a drain of the shoe scraper tray to the local conditions. In the context of this application, "opening" or "exposing" a drainage opening is to be understood as meaning that the opening element (or a layer element of the opening element) can be removed or separated in some areas. For this purpose, the opening element can be designed to be cut open with a knife, for example, or to be pressed in or pulled off by hand at a point marked by markings, cutting lines or predetermined breaking points. In this way, defined drainages can be created. For example, a drainage device for drainage into a sewer can be connected or inserted into a drainage opening. It is also possible to connect another (similar or identical) shoe scraper tray to a drainage opening in order to lay out a larger area with several fluid-connected shoe scraper trays and to direct the waste water into a common drainage device.

A layer element (bottom layer element, edge layer element) is a region of the opening element that is formed as a layer or thin layer.

Another important aspect of this invention is the design of the opening elements as a negative mold element for a manufacturing process by casting the shoe scraper tray. The opening elements or their layer elements therefore cover, on the one hand, drainage openings that can be exposed and, on the other hand, ensure that these drainage openings are formed during the manufacturing process by designing corresponding engagement and/or mold ribs of the opening elements in such a way that they define the flow of the hardenable material and anchor themselves in the hardened material.

In one embodiment, the opening element is designed and arranged such that it (co-)defines a structure of the tub bottom and/or the tub edge, at least in sections.

This creates a robust arrangement that is easy to manufacture, allows flexible handling and provides easy-to-clean surfaces inside the tub.

In one embodiment, the at least one opening element is formed and arranged within the tub element as at least one corner of the tub element.

By positioning the opening elements accordingly (and thus positioning the corresponding drainage openings) in the corners, fluid flow through/out of the shoe scraper tray is optimized, since each corner has a fluid supply via two legs of the tray edge. In alternative embodiments, the tray base and/or the tray element can have additional fluid guidance structures such as channels or ribs.

In one embodiment, the at least one opening element has a bottom layer element which forms a partial area of the tub bottom within the tub element. Alternatively or additionally, the at least one opening element has an edge layer element which forms a partial area of the tub edge within the tub element.

This means that the inside of the tub is essentially flat (without edges, beads, etc.). This means that the inside of the tub offers large and smooth surfaces and is therefore easy to clean. The layered (relatively thin but still sufficiently stable) design of the Opening elements make it easier to separate or open the corresponding drainage opening. On the other hand, non-opened layer elements or non-exposed drainage openings are designed to be correspondingly tight. Overall, this simplifies both drainage and handling (during installation as well as during subsequent care or maintenance).

In one embodiment, the at least one floor drainage opening in the tub bottom for drainage of the tub element can be exposed by pressing in or cutting open the bottom layer element. Alternatively or additionally, the at least one edge drainage opening in the tub edge can be exposed by pressing in or cutting open the edge layer element for lateral drainage of the tub element or for connection to another shoe scraper tub of the same or similar type (for example of a different size).

This makes handling much easier. No (special) tools are required to open or separate a drainage opening - at most a (cutter) knife or similar. Overall, handling the shoe scraper tray in the installation situation is made much easier. After the shoe scraper tray has been oriented accordingly, a decision can be made directly on site, for example, whether and where (at which position on the tray element) a drainage should be opened.

In one embodiment, the at least one opening element has at least one tubular channel structure extending through the at least one edge drainage opening, wherein the channel structure is closed in an exposed manner.

On the one hand, this channel structure serves to form the edge drainage opening, since the opening element is designed as a negative mold element and is cast around to form the tub element. This saves, for example, a separate manufacturing step for creating a corresponding drainage opening. On the other hand, this improves the drainage of the shoe scraper tub, since the edge drainage opening is additionally sealed by the channel structure, so that no leaks can occur here.

In one embodiment, the at least one opening element has predetermined breaking points and/or markings, in particular cutting markings, in order to facilitate the separation of the opening element and the corresponding exposure of the to enable and/or support at least one edge drainage opening and/or at least one bottom drainage opening.

This further simplifies the handling of the shoe scraper tray during installation.

In one embodiment, the at least one bottom drainage opening and/or the at least one edge drainage opening is/are each formed in a corner of the tub element.

The corresponding drainage openings in the corners optimize fluid flow through/out of the shoe scraper tray, as each corner has a fluid supply via two sides of the tray edge. This further increases the drainage properties of the shoe scraper tray.

In one embodiment, two edge drainage openings are arranged in an exposed manner in at least one, preferably in each, corner of the tub element, wherein the two edge drainage openings are preferably arranged at 90° to each other.

The edge drainage openings make it possible to connect two or more shoe scraper trays to one another in a fluid-conducting manner. By arranging two edge drainage openings of a shoe scraper tray at 90° to one another, another shoe scraper tray can be connected in a fluid-conducting manner to the two outer sides of the tray edge of the corresponding corner. This makes it possible to create a modular shoe scraper system.

In one embodiment, the tray element is a cast molded part which partially encloses the opening elements by casting, in particular in a form-fitting and/or material-fitting manner, in particular in such a way that the shoe scraper tray forms an integral unit.

This makes the production of the shoe scraper tray comparatively simple and inexpensive. In addition, the result is a robust and durable shoe scraper tray. The stability of this shoe scraper tray allows it to be used even in installation situations subject to heavy loads.

In one embodiment, the tub element is at least substantially made of a hardenable material, preferably concrete, in particular polymer concrete, Alternatively or additionally, the at least one opening element is made of plastic, preferably as an integral plastic component.

This results in high strength, frost resistance, pressure and bending strength of the shoe scraper tray. In the case of polymer concrete, this also results in an advantageous density (low weight) and chemical resistance (for example, resistant to de-icing agents).

In one embodiment, a frame running around an upper end of the tub edge is designed and arranged such that a grate or the like can be inserted into an upper region of the drainage device.

This increases both the design options and the functionality of the shoe scraper tray.

In particular, the object according to the invention is also achieved by a modular shoe scraper system for installation in the floor or a floor covering, wherein the shoe scraper system comprises at least two shoe scraper trays, as described above, which are arranged adjacent to one another and whose tray elements can be brought into fluid communication with one another via an edge drainage opening that can be exposed at a corresponding position.

This results in the same advantages as those already described in connection with the shoe scraper tray according to the invention.

Furthermore, it should be noted here that the features and advantages described in the context of the shoe scraper tray according to the invention also apply to the modular shoe scraper system according to the invention.

In one embodiment, the shoe scraper system comprises a connecting element that can be inserted into the corresponding edge drainage openings of the at least two trough elements such that the respective edge drainage openings of the at least two shoe scraper troughs can be connected to one another, in particular can be tightly connected.

In one embodiment, the shoe scraper system comprises at least one drainage device that is or can be inserted into an exposed or opened floor drainage opening of a shoe scraper tray.

• Bereitstellen von mindestens einem, vorzugsweise vier, Öffnungselement(en);
• Eingießen oder Umgießen der Öffnungselemente mittels eines aushärtbaren Materials, vorzugsweise Beton, insbesondere Polymerbeton, zum Formen eines Wannenelements mit einem Wannenboden und einem umlaufenden Wannenrand;

wobei das mindestens eine Öffnungselement zumindest bereichsweise als Negativformelement ausgebildet und angeordnet ist, so dass beim Eingießen oder Umgießen des mindestens einen Öffnungselements mindestens eine Drainageöffnung im Wannenelement ausgebildet wird, die durch Schichtelemente des Öffnungselements freilegbar verschlossen sind.In particular, the object according to the invention is also achieved by a method for producing a shoe scraper tray, in particular as described above, wherein the method comprises the following steps:

• Providing at least one, preferably four, opening element(s);
• Pouring or casting around the opening elements using a hardenable material, preferably concrete, in particular polymer concrete, to form a tub element with a tub bottom and a surrounding tub rim;

wherein the at least one opening element is designed and arranged at least in regions as a negative mold element, so that when pouring in or pouring around the at least one opening element, at least one drainage opening is formed in the tub element, which is closed by layer elements of the opening element in an exposed manner.

This results in the same advantages as those already described in connection with the shoe scraper tray according to the invention.

In addition, it should be noted here that the features and advantages described in the context of the shoe scraper tray according to the invention also apply to the method according to the invention for producing a shoe scraper tray.

An important point of this invention is the formation of the opening elements as a negative mold element for a manufacturing process by casting the shoe scraper tray. The opening elements or their layer elements therefore cover, on the one hand, drainage openings that can be exposed and, on the other hand, ensure that these drainage openings are formed in the tray edge and tray base during the manufacturing process by designing corresponding engagement and/or mold ribs of the opening elements in such a way that they define the flow of the hardenable material and anchor themselves in the hardened material.

In one embodiment, the method comprises a step in which, prior to the step of pouring or encapsulating, the at least one opening element, preferably four opening elements, is/are connected to at least one corresponding, preferably four, frame element(s) to form an opening element-frame unit, and the opening element-frame unit is subsequently poured or encapsulated.

On the one hand, this simplifies the manufacturing process of the shoe scraper tray, as the opening elements cannot slip during casting or recasting. On the other hand, this makes the cast unit particularly robust and stable.

In particular, the object according to the invention is also achieved by a method for opening at least one edge drainage opening in a tub edge and/or at least one floor drainage opening in a tub bottom of a shoe scraper tub, in particular as described above, wherein the at least one edge drainage opening is exposed by pressing in and/or cutting open a corresponding floor layer element; and/or the at least one floor drainage opening is exposed by pressing in and/or cutting open a corresponding edge layer element.

This results in the same advantages as those already described in connection with the shoe scraper tray according to the invention.

In addition, it should be noted here that the features and advantages described in the context of the shoe scraper tray according to the invention also apply to the method according to the invention for opening a drainage opening of a shoe scraper tray.

In the following, the invention is also described with regard to further features and advantages using embodiments, which are explained in more detail using a figure.

Fig. 1

eine Schuhabstreiferwanne gemäß einem Ausführungsbeispiel der Erfindung;

Fig. 2

eine perspektivische Unteransicht einer Schuhabstreiferwanne gemäß einem Ausführungsbeispiel;

Fig. 3

eine perspektivische Schnittansicht durch ein Öffnungselement einer Schuhabstreiferwanne gemäß einem Ausführungsbeispiel;

Fig. 4

eine perspektivische Ansicht eines Öffnungselements gemäß einem Ausführungsbeispiel;

Fig. 5

eine alternative perspektivische Ansicht eines Öffnungselements gemäß einem Ausführungsbeispiel;

Fig. 6

schematische Ansicht einer Montage von Zargenelementen an einem Öffnungselement gemäß einem Ausführungsbeispiel;

Fig. 7

Detailansicht gemäß einer formschlüssigen Verbindung zwischen einem Zargenelement und einem Öffnungselement gemäß einem Ausführungsbeispiel;

Fig. 8

eine perspektivische Ansicht von vier Öffnungselementen die gemäß einem Ausführungsbeispiel über Zargenelemente miteinander zu einer Öffnungselement-Zargen-Einheit verbunden sind;

Fig. 9

eine Aufsicht auf ein modulares Schuhabstreifersystem mit mehreren Schuhabstreiferwannen, die fluidleitend miteinander verbunden sind gemäß einem Ausführungsbeispiel;

Fig. 10

eine perspektivische Ansicht auf ein modulares Schuhabstreifersystem mit mehreren Schuhabstreiferwannen, die fluidleitend miteinander verbunden sind gemäß einem weiteren Ausführungsbeispiel;

Fig. 11

eine Schuhabstreiferwanne mit einer eingesetzten Abflussvorrichtung gemäß einem Ausführungsbeispiel;

Fig. 12

eine Detailansicht einer Verbindung zweier Schuhabstreiferwannen über entsprechende Randdrainageöffnungen gemäß einem Ausführungsbeispiel;

Fig. 12A

ein Ausführungsbeispiel für ein Verbindungselement zur Verbindung zweier korrespondierender Randdrainageöffnungen von zwei Schuhabstreiferwannen;

Fig. 13

ein Ausführungsbeispiel zum Einbringen eines Kabels oder eines Leerrohrs durch ein Bodenschichtelement einer Schuhabstreiferwanne;

Fig. 14

eine Detailansicht eines Bodenschichtelements mit Sollbruchstellen einer Schuhabstreiferwanne gemäß einem Ausführungsbeispiel;

Fig. 15

ein Ausführungsbeispiel zur Durchführung eines Kabels oder eines Leerrohrs durch ein Bodenschichtelement mit entsprechenden Sollbruchstellen;

Fig. 16

perspektivische Schnittansicht einer Schuhabstreiferwanne mit einem eingesetzten Rost gemäß einem Ausführungsbeispiel;

Fig. 17

perspektivische Schnittansicht einer Schuhabstreiferwanne mit einem eingesetzten Rost gemäß einem weiteren Ausführungsbeispiel.

This shows:

Fig.1

a shoe scraper tray according to an embodiment of the invention;

Fig.2

a perspective bottom view of a shoe scraper tray according to an embodiment;

Fig.3

a perspective sectional view through an opening element of a shoe scraper tray according to an embodiment;

Fig.4

a perspective view of an opening element according to an embodiment;

Fig.5

an alternative perspective view of an opening element according to an embodiment;

Fig.6

schematic view of an assembly of frame elements on an opening element according to an embodiment;

Fig.7

Detailed view of a positive connection between a frame element and an opening element according to an embodiment;

Fig.8

a perspective view of four opening elements which, according to one embodiment, are connected to one another via frame elements to form an opening element-frame unit;

Fig.9

a plan view of a modular shoe scraper system with several shoe scraper trays that are fluidically connected to one another according to an embodiment;

Fig.10

a perspective view of a modular shoe scraper system with several shoe scraper trays which are connected to one another in a fluid-conducting manner according to a further embodiment;

Fig. 11

a shoe scraper tray with an inserted drainage device according to an embodiment;

Fig. 12

a detailed view of a connection between two shoe scraper trays via corresponding edge drainage openings according to an embodiment;

Fig. 12A

an embodiment of a connecting element for connecting two corresponding edge drainage openings of two shoe scraper trays;

Fig. 13

an embodiment for inserting a cable or a conduit through a floor layer element of a shoe scraper tray;

Fig. 14

a detailed view of a floor layer element with predetermined breaking points of a shoe scraper tray according to an embodiment;

Fig. 15

an embodiment for passing a cable or a conduit through a soil layer element with corresponding predetermined breaking points;

Fig. 16

perspective sectional view of a shoe scraper tray with an inserted grate according to an embodiment;

Fig. 17

Perspective sectional view of a shoe scraper tray with an inserted grate according to another embodiment.

Similar elements are provided with the same reference numerals in the following description of the embodiments.

Fig.1 shows a shoe scraper tray 10 according to an embodiment. The shoe scraper tray 10 has a tray element 1 with a tray base 2 and a surrounding tray edge 3. A frame 7 is arranged at an upper end of the tray edge, into which a grate 8 (not shown) can be inserted. Fluid guide structures 11 are arranged within the tray element 1. In alternative embodiments, the tray element 1 can also have no fluid guide structures 11.

Four opening elements 4 are arranged in each of the corners of the tub element 1. In alternative embodiments, the number of opening elements 4 may differ from the variant shown. For example, only one, two (neighboring or diagonally opposite corners) or three corners may have an opening element 4.

The opening elements 4 are designed and arranged in such a way that they close drainage openings 5, 6 with layer elements 41, 42 in a way that can be exposed. This means that the drainage openings 5, 6 can be exposed by removing or separating a part of the opening elements 4 or the corresponding layer elements 41, 42, so that water can escape from the tub element 1 through an exposed drainage opening 5, 6. The removal can preferably be carried out by cutting out, slicing open, pressing in or the like.

In the Fig.1 In the embodiment shown, the opening elements 4 are such that they each close two edge drainage openings 5 in the tub edge 3 and one bottom drainage opening in the tub bottom 2 in an exposed manner.

In Fig. 2 is a perspective view (from below) of a bottom of the tub bottom 2. According to the embodiment of Fig. 2 the bottom drainage opening 6 is formed by a circular recess in the tub bottom 2, which is covered by a bottom layer element 41 of the opening element.

The two edge drainage openings 5 and the bottom drainage opening 6 are each arranged in a corner of the tub element 1.

According to this embodiment, the soil layer element 41 has a (cut) marking 45 to indicate how the soil drainage opening 6 can be (optimally) cut open, for example by means of a knife, or separated or pressed in by hand. The marking 45 can also be designed, for example, as a pre-formed cutting line or predetermined breaking point, thinner than surrounding areas of the soil layer element 41 in order to make cutting open or pressing in easier.

Fig.3 shows a perspective sectional view through an opening element 4 of a shoe scraper tray 10 according to an embodiment. The opening element 4 has a tubular channel structure 43 which extends through the edge drainage opening 5.

The edge drainage opening 5 or the channel structure 43 is closed by an edge layer element 42 of the opening element 4 in such a way that it can be exposed. The edge layer element 42, like the base layer element 41 (not shown), can have markings and/or pre-formed cutting lines or predetermined breaking points in order to enable the edge drainage opening 5 or the channel structure 43 to be exposed cleanly and easily.

The bottom layer element 41 is designed and arranged such that it forms a flat partial area of the tub bottom 2 or fits flat and flush into the tub bottom 2.

The edge layer element 42 is designed and arranged such that it forms a partial area of the tub edge 3 or fits flush into the tub edge 3.

In the Fig.1 The shoe scraper tray 10 shown has, for example, a size of 1000 × 500 mm ² . In alternative embodiments, the shoe scraper tray 10 can also have a size of 750 × 500 mm ² or 600 × 600 mm ² or 600 × 400 mm ² . In principle, the shoe scraper tray can therefore be rectangular or square.

Fig. 4 and 5 each show perspective views of an embodiment of a (separate) opening element 4 with a base layer element 41 and two tubular channel structures 43. The opening element 4 is preferably made of plastic. Particularly advantageously, the opening element 4 is designed as an integral plastic component (injection molding).

In Fig.6 is a schematic view of an assembly of two frame elements 7a to form the frame 7 (see Fig.1 ) on an opening element 4 according to an embodiment. The frame elements 7a are preferably made of plastic (by means of plastic extrusion). For assembly, the frame elements 7a are placed on the opening element 4 in the assembly direction MR.

According to a Fig.7 In the embodiment shown, the opening elements 4 can be connected in a form-fitting manner to the frame elements 7a. Locking elements 7b in a lower region of the frame element 7a enable a form-fitting connection with corresponding guide or locking elements 47 of the opening element 4.

Fig.8 shows four opening elements 4 which, according to one embodiment, are connected to one another via four frame elements 7a in a form-fitting manner to form an opening element-frame unit. The four frame elements 7a thus form (together with the opening elements 4) a circumferential frame 7 (see also Fig.1 ).

According to one embodiment, the tub element 1 (cf. Fig.1 ) a cast molded part which partially encloses the opening elements 4 by casting, in particular in a form-fitting and/or material-fitting manner. For this purpose, a Fig.8 The opening element-frame unit shown is cast in a hardenable material. If necessary, areas or projections of the frame elements 7a (if provided for this purpose and arranged accordingly) can also be partially cast in or encased.

In alternative embodiments, the frame elements 7a can be dispensed with and only a corresponding arrangement of one or more opening elements 4 are cast with a hardenable material.

The hardenable material for forming the tub element 1 is preferably polymer concrete. Alternatively, concrete or other hardenable and castable materials can be used.

The opening elements 4 are designed, at least in some areas, as a negative mold element for the casting of the tub element 1, so that when pouring in or pouring around, the drainage openings 5, 6 are formed in the tub element 1, which are closed by the layer elements 41, 42 of the opening element 4 in an exposed manner.

According to one embodiment, the opening elements 4 have engagement and/or shaped ribs 46 for this purpose (see Fig.3 or 7 ), which guide the hardenable material during casting (shaping) and/or (after casting) engage in the (hardened) tub element 1 (see Fig.3 ).

The channel structure 43 of the opening element 4 is further designed to form the corresponding edge drainage opening 5 during casting.

In this way, the shoe scraper tray 10 forms an integral or monolithic unit consisting of the tray element 1 and the opening elements 4.

In Figs. 9 and 10 show embodiments of a modular shoe scraper system. Several shoe scraper trays 10 are arranged adjacent to one another. The tray elements 1 of the shoe scraper trays 10 are each brought into fluid communication with one another via an edge drainage opening 5 exposed at a corresponding position.

In this way, it is possible to combine several shoe scraper trays 10 into a larger unit and to form a water flow (in direction F) through the shoe scraper system to a (common) drainage device 60.

The drainage device 60 is inserted into an exposed or opened soil drainage opening 6 by opening the soil layer element 41 accordingly.

In an embodiment according to Fig. 11 A drainage device 60 comprises, for example, a leaf catcher arrangement 61, an odor trap arrangement 62 and a backflow preventer arrangement 63. The drainage device 60 is further designed such that it can be sealingly connected to the opening element 4.

In Fig. 12 is a detailed view of a connection point between two shoe scraper trays 10 via correspondingly opened edge drainage openings 5 according to an embodiment. For optimal connection, a connecting element 50 is inserted into the corresponding edge drainage openings 5 of the two tray elements 1 so that the respective edge drainage openings 5 are tightly connected to one another.

An embodiment of a connecting element 50 is shown in Fig. 12A The connecting element 50 is preferably an integral plastic element (injection molding). The connecting element 50 and/or the edge drainage openings 5 can have corresponding locking lugs or sealing lips or the like in order to optimize a fluid connection between two shoe scraper trays.

Fig. 13 shows a further embodiment of an application of the shoe scraper tray 10, in which a cable 30 or an empty pipe (for passing through a cable) 30 is guided through an exposed area in the floor layer element 41 through the floor drainage opening 6.

In the illustrated embodiment according to Fig. 13 a (left) edge drainage opening 5 is opened and connects the shoe scraper tray 10 with another shoe scraper tray 10. Another (right) edge drainage opening 6 is closed by the edge layer element 42.

In Fig. 14 is a bottom side of the bottom layer element 41 according to the embodiment of Fig. 13 The bottom layer element 41 has a cable feedthrough area 44. The cable feedthrough area 44 has a round area 44a in the middle and a star-shaped area with tabs 44b arranged around the round area 44a. To pass through a cable or empty pipe 30, the round area 44a is separated (cut or pressed). When the cable or empty pipe 30 is passed through, the tabs 44b of the star-shaped area expand and ensure that the empty pipe or cable 30 is seated tightly. The tabs 44b bend when passing through of the empty conduit or cable 30 to secure the empty conduit or cable 30 against slipping out (barb principle).

In Fig. 16 and 17 a perspective sectional view of a shoe scraper tray 10 with an inserted grate 8 according to two embodiments is shown. The grates 8 can be made of different materials such as aluminum, galvanized steel and stainless steel and are removably inserted into the frame 7.

By using a frame 7 made of plastic, there is no contact corrosion between frame 7 and grate 8.

List of reference symbols:

10

Shoe scraper tray

1

Bath element

2

Tub bottom

3

Bath rim

4

Opening element

41

Soil layer element

42

Boundary layer element

43

Channel structure

44

Predetermined breaking point

44a

round area

44b

Tabs

45

mark

46

Engagement and/or shaped ribs of the opening element

47

Guide or locking elements of the opening element

5

Edge drainage opening

6

Floor drainage opening

7

frame

7a

Frame element

7b

Guide and/or locking elements of the frame elements

8th

rust

11

Fluid conduction structure

30

Cable, conduit

50

Connecting element

60

Drainage device

61

Leaf catcher arrangement

62

Odour trap arrangement

63

Backflow prevention arrangement

MR

Installation direction of the frame elements

F

Water flow direction

Claims (18)

1. Drainable shoe stripping trough, for installation in the floor or a floor covering, comprising as follows

   • a trough element (1) which has a trough base (2) and a circumferential trough edge (3);

   • at least one opening element (4) which can be removed in some areas;

   characterized in that
   the at least one opening element (4) is designed and arranged in such a way that it closes at least one edge drainage opening (5) in the trough edge (3) and/or at least one base drainage opening (6) in the trough base (2) so that it can be exposed.
2. Shoe stripping trough according to claim 1,
   characterized in that
   the opening element (4) is designed and arranged in such a way that it defines a structure of the trough base (2) and/or the trough edge (3) at least in sections.
3. Shoe stripping trough according to claim 1 or 2,
   characterized in that
   the at least one opening element (4) is formed and arranged within the trough element (1) as at least one corner of the trough element (1).
4. Shoe stripping trough according to one of the preceding claims,
   characterized in that

   the at least one opening element (4) has a base layer element (41) which forms a partial region of the trough base (2) within the trough element (1), and/or

   the at least one opening element (4) has an edge layer element (42) which forms a partial region of the trough edge (3) within the trough element (1) in each case.
5. Shoe stripping trough according to claim 4,
   characterized in that
   the at least one base drainage opening (6) in the trough base (2) can be exposed for draining the trough element (1) by pressing in or cutting open the base layer element (41), and/or the at least one edge drainage opening (5) in the trough edge (3) can be exposed by pressing in or cutting open the edge layer element (42) for lateral drainage of the trough element (1) or for connection to a further identical or similar shoe stripping trough (10), optionally of a different size.
6. Shoe stripping trough according to one of the preceding claims,
   characterized in that
   the at least one opening element (4) has at least one tubular channel structure (43) which extends through the at least one edge drainage opening (5), wherein the channel structure (43) is closed in an exposable manner.
7. Shoe stripping trough according to one of the preceding claims,
   characterized in that
   the at least one opening element (4) has predetermined breaking points (44) and/or markings (45), in particular cut markings (45), in order to enable and/or support the opening of the opening element (4) and the corresponding exposure of the at least one edge drainage opening (5) and/or the at least one base drainage opening (6).
8. Shoe stripping trough according to one of the preceding claims,
   characterized in that
   the at least one base drainage opening (6) and/or the at least one edge drainage opening (5) are each formed in a corner of the trough element (1).
9. Shoe stripping trough according to one of the preceding claims,
   characterized in that
   two edge drainage openings (5) can be exposed in at least one, preferably in each, corner of the trough element (1), wherein the two edge drainage openings (5) are preferably arranged at 90° to one another.
10. Shoe stripping trough according to one of the preceding claims,
    characterized in that
    the trough element (1) is a cast molded part which partially encloses the opening elements (4) by casting, in particular in a form-locking and/or materially bonded manner, in particular in such a way that the shoe stripping trough (10) forms an integral unit.
11. Shoe stripping trough according to one of the preceding claims,
    characterized in that
    the trough element (1) is formed at least substantially from a hardenable material, preferably concrete, in particular polymer concrete, and/or the at least one opening element (4) is formed from plastic, preferably as an integral plastic component.
12. Shoe stripping trough according to one of the preceding claims,
    characterized by
    a frame (7) extending around an upper end of the trough edge (3), which is designed and arranged in such a way that a grate (8) or the like can be inserted into an upper region in the drainage device.
13. Modular shoe stripping system for installation in the floor or a floor covering, comprising at least two shoe stripping troughs (10) according to one of the preceding claims, which are arranged adjacent to one another and whose trough elements (1) can be brought into fluid connection with one another via a respective edge drainage opening (5) which can be exposed at a corresponding position.
14. Modular shoe stripping system according to claim 13,
    comprising a connecting element (50) which can be inserted into the corresponding edge drainage openings (5) of the at least two trough elements (1) in such a way that the respective edge drainage openings (5) of the at least two shoe stripping troughs (10) can be connected to one another, in particular can be connected in a sealed manner.
15. Modular shoe stripping system according to claim 13 or 14,
    comprising at least one drainage device (60) which is inserted or can be inserted into an exposed or open base drainage opening (6) of a shoe stripping trough (10).
16. Method for producing a shoe stripping trough, in particular according to one of claims 1 to 12, wherein the method comprises the following steps of:

    - providing at least one, preferably four, opening element(s) (4);

    - casting or recasting the opening elements (4) by means of a hardenable material, preferably concrete, in particular polymer concrete, to form a trough element (1) with a trough base (2) and a circumferential trough edge (3);

    wherein the at least one opening element (4) is designed and arranged as a negative mold element, at least in some areas, so that when the at least one opening element (4) is poured or recast, at least one drainage opening (5, 6) is formed in the trough element (1), which is closed in an exposable manner by layer elements (41, 42) of the opening element (4).
17. Method according to claim 16, wherein the method comprises a step in which, before the step for casting or recasting, the at least one opening element (4), preferably four opening elements (4), is connected to at least one, preferably four, frame element(s) (7a) to form an opening element-frame unit, and the opening element-frame unit is subsequently cast or recast.
18. Method for opening at least one edge drainage opening (5) in a trough edge (3) and/or at least one base drainage opening (6) in a trough base (2) of a shoe stripping trough (10), in particular according to one of claims 1 to 12, wherein the at least one edge drainage opening (5) is exposed by pressing in and/or cutting open a corresponding base layer element (41); and/or the at least one base drainage opening (6) is exposed by pressing in and/or cutting open a corresponding edge layer element (42).

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