EP2599935B1 - Light and/or ventilation shaft and set for the production of a light and/or ventilation shaft - Google Patents

Description

The invention relates to a light and / or ventilation shaft, comprising at least one side wall and optionally a bottom. Furthermore, the invention relates to a set for the production of a light and / or ventilation shaft and a corresponding manufacturing method. Furthermore, the invention relates to the use of at least two modules for the production of a bottom or side wall of a light and / or ventilation shaft.

Light wells, such as basement light wells are known in the art. Such light wells are usually prepared as finished parts and attached, for example, with flanges on a building exterior wall. After assembly, soil can be filled outside the shaft. Above the shaft, a grid or the like may be applied. Such a generic light shaft, for example, the DE 77 18 545 U be removed.

In this context, it is also for example from the
DE 20 2005 000 442 U1 known to form the shaft of several modules, which are placed on each other in the vertical direction. This should be feasible different light shaft heights. Also the US 7,770,340 B2 describes a light well, which consists of several superimposed Modules exists. In one embodiment, the modules consist of mutually opposite side walls and a front wall, so that overall an approximately U-shaped layout of the modules is formed. The side walls are locked to the front wall. The superimposed side or front walls of the individual modules form side walls or a front wall of the entire light shaft. Modular built shafts are also from the US 2007/0089373 A , the DE 69 15 236 U and the DE 73 18 128 U known. From the WO 2004/074593 A1 are modular panels that can be assembled into three-dimensional structures known.

Overall, the production of light wells is simplified by the stacked modules according to the prior art. However, the flexibility in manufacturing is still perceived as unsatisfactory.

It is an object of the present invention, a light and / or ventilation shaft, as well as a set or method for the production of such a light and / or ventilation shaft to propose, the production costs, especially with varying requirements, should be further reduced.

This object is achieved by a light and / or ventilation shaft according to claim 1, a set according to claim 12, a use according to claim 14 and a manufacturing method according to claim 15.

In particular, the object is achieved by a light and / or ventilation shaft, wherein the light and / or ventilation shaft, at least one side wall and a bottom comprises and wherein the bottom has at least two preferably identical floor modules connected to each other via a connecting device are.

A first principle of the present invention is to form the bottom of a light and / or ventilation shaft, modular. As a result, light shafts with a different width can be produced in a simple manner with comparatively few individual elements. As a result, the manufacturing costs are reduced overall, the flexibility of the light and / or ventilation shaft is increased.

The at least two floor modules can be identical, but also have different shapes or dimensions. In any case allows the modular design that, for example, by removing or adding another module, a comparatively simple adjustment can be made.

The light and / or ventilation shaft comprises at least one side wall and optionally a bottom, wherein the side wall comprises at least two, preferably identical, side modules which are connected to each other via a connecting device and side by side (in a horizontal arrangement), are arranged in alignment , In any case, a high flexibility in the production with consequent lower production costs can be achieved by the modular design of the side wall. The fact that the side modules are arranged side by side, aligned with each other, can easily (or possibly more) sidewall (sidewalls) are easily extended or shortened (for example, by removing one of the side modules or adding another page modulus).

The term "module" (be it side module, bottom module or cover module) is to be understood in particular as an element which forms essential sections of the side wall or of the floor or of a cover, e.g. at least 5%, preferably at least 10%, more preferably at least 30% of an entire side wall or an entire bottom or an entire lid. In particular, the term "module" should not be understood to mean any element which merely serves for attachment or connection and has no (substantial) proportion of an overall surface area of the side wall or of the bottom or of the lid.

Preferably, at least three, more preferably at least five bottom and / or side modules are provided. As a result, the flexibility can be further increased.

Not all side modules must be arranged side by side, aligned. However, it is preferred if at least three or even at least five side modules are arranged side by side, aligned with each other. Basically, floor and / or side modules may have curved sections or be curved overall. Preferably, however, the bottom and / or side modules are designed as plane (board-shaped) elements or boards. The shaft or light shaft can be in a horizontal Cross-section rectangular, or U-shaped (possibly with rounded corners) may be formed.

Above the side walls, a cover element, in particular a grate, can be arranged. The cover element may comprise at least two cover modules. The cover modules can be designed in principle (in particular with regard to a connection and / or with respect to their number and / or shape and / or size) on the side and / or bottom modules.

The term "aligned" is to be understood in particular that the surfaces of the juxtaposed side modules define a common plane at least in a connection region or a respective connection region of, for example, at least 5% (or at least 10%) of an extension perpendicular to one Connection constant, located in a common plane. For example, a connection via a corner or a rounded connection area should be excluded.

The side modules are preferably identical, but may also be designed differently (in terms of shape and / or dimensioning).

In a preferred embodiment, the connecting device comprises a plug connection (preferably a tongue and groove connection) for connecting two side and / or bottom modules. With such a connection, the side and bottom modules can be particularly easily solved or assembled from each other, which reduces the manufacturing cost.

The side wall and / or the bottom and / or at least one side module and / or at least one bottom module is designed as a hollow chamber profile or comprises at least one hollow chamber profile, preferably within the at least one hollow chamber profile, a stiffening element, preferably a stiffening tube and / or stiffening profile , is provided. In such embodiments of the shaft, in particular light and / or ventilation shaft, a high stability can be achieved with simple measures, which further reduces the manufacturing cost. At least one stiffening element can also be provided without the formation of a hollow chamber profile and / or on an outer and / or inner surface of the side or bottom wall and / or the side or floor module.

In a specific embodiment, an upper side wall edge may include a fastening device, in particular comprising a recess or a projection, preferably a slip-on profile, such that a cover element, in particular grate, of the shaft, in particular light and / or ventilation shaft, are connected to the sidewall edge can. By such a design of the side wall edge basically a separate fastening element for a cover element, in particular rust, omitted. As a result, the shaft, in particular light and / or ventilation shaft, further simplified in terms of design.

The side wall and / or the bottom can be sealed watertight, in particular by means of a support such as a film and / or a sealing tape. As a result, in a simple manner, despite the modular design, a reliable shaft, in particular light and / or ventilation shaft realized.

At least two side and / or bottom modules can be of different sizes, in particular have a different width and / or length. For example, if side or floor modules are designed as board-shaped, planar elements, a different width or depth of the shaft, in particular light and / or ventilation shaft, can be achieved in a simple manner by a different width of the individual modules.

In a specific embodiment, at least two side and / or floor modules (in cross section) may be rectangular.

Preferably, at least one cover element receiving strip is provided for at least one cover element, such as a grate, wherein the cover element receiving strip more preferably covers upper edges of at least two side modules. By such a cover element receiving strip, a fixing of the cover element or grate can be realized in a simple manner. If the cover element receiving strip additionally covers edges of at least two (or possibly all) side modules of a side wall, this synergistically achieves that in addition the (entire) side wall is stabilized. In other words, with just one Element equal to two important functions are taken into account. As a result, the manufacturing costs are lowered in a synergetic manner.

According to a more general idea, each edge of at least two modules may be included in a connection bar. The connection bar can be located, for example as a double C-profile, between the two side or floor modules. However, the connection strip can, for example, as a U-profile, record two edges of the at least two side and / or bottom modules, which are arranged one behind the other, for example - with respect to the side modules - an upper or lower edge.

Due to the connection strips in combination with the modular structure, a flexible adaptation can be done with little effort.

At least two (or at least three) soil modules can form at least 10% each, preferably 20%, more preferably 30% of the soil. At least two (or at least three) side modules may correspondingly form at least 10%, preferably at least 20%, more preferably at least 30% of a sidewall. As a result, adaptation can take place in comparatively large steps, which increases the flexibility and thus reduces the production costs.

Preferably, the invention comprises a light and / or ventilation shaft, wherein a (vertically extending) Eckausnehmung is provided such that the shaft can be attached to a corner building to a building, wherein the bottom (10) preferably a plurality of parallel floor modules ( 18), further preferably, a first plurality of floor modules (18) having a first length and a second plurality of floor modules (18) having a second length different from the first length.

Due to the modular design, such corner ducts are particularly flexible and can be easily adapted to different geometries. In particular, when floor modules are provided with two different lengths, an adjustment of a corner slot can be done very easily. An arrangement of the shaft over the corner makes it particularly easy to realize a supply air and / or exhaust air duct. A heat pump can be installed comparatively easily. A light shaft to be installed can thus extend around the corner of a house wall. The depth and width of the shaft, in particular light or ventilation shaft can be designed individually to cross-sectional shapes of each system used.

Preferably, the invention comprises a shaft, in particular light and / or ventilation shaft, wherein a (vertically oriented or alignable) partition provided or in the shaft, in particular light or ventilation shaft, is introduced to divide the shaft into two sub-shafts.

By an optionally removable or usable partition of the shaft can be particularly easily adapted to a particular preferred use. The partition wall allows separation of air-bearing compartments (for the supply and exhaust air). The partition should in particular be able to be mounted or removed so that mounting or fastening means are not destroyed (when removing the partition). The mounting means should preferably be used repeatedly (as distinct from integral or permanent attachment, such as by welding or gluing).

In an alternative embodiment, the partition with the shaft, in particular light shaft and / or ventilation shaft, be firmly connected. This achieves a stable overall construction.

The above object is achieved independently by a set for the production of a light shaft and / or ventilation shaft, preferably of the type described above, comprising at least one side wall and a bottom, wherein the bottom has at least two floor modules, which are connected to each other via connecting means, wherein the at least one side wall comprises at least two side modules which are interconnected via connecting means and are arranged side by side or one above the other, flush with each other, the side modules and bottom modules being such that the width and / or depth of the Light and / or ventilation shaft, using the modules can be varied, with at least one side module and / or at least one floor module as Hollow chamber profile is formed or comprises at least one hollow chamber profile, wherein preferably within the at least one hollow chamber profile, a stiffening element, preferably a stiffening tube and / or a stiffening profile is provided. In particular, the width and / or depth of the shaft, in particular light and / or ventilation shaft should be able to be changed by adding or removing one of the modules. Overall, a comparatively simple production of different shafts, in particular light shafts, is made possible by such a set. This reduces the manufacturing costs.

Preferably, at least two modules are dimensioned differently, in particular of different widths. In general, however, two or more modules may be identical. Particularly preferably, the modules are present in at least three or even at least five different sizes. As a result, the manufacturing costs can be further reduced.

Furthermore, the above object is achieved independently by the use of at least two floor modules and / or at least two, preferably identical, side modules for producing a bottom or a side wall of a light and / or ventilation shaft of the type described above a set of the type described above are used. With regard to the advantages, reference is made to the comments on the shaft, in particular light and / or ventilation shaft or to the set described above.

An independent aspect is a use of a shaft according to any one of claims 1 to 13 as a light and / or ventilation shaft, in particular optionally as a light or ventilation shaft, wherein preferably a partition wall is provided which is removable from the shaft or can be inserted into the shaft is. Especially through the modular design of the shaft, this can be used particularly easily both as a light well and as a ventilation shaft. In particular, a necessary adjustment can be made only by removing or mounting a partition.

• Bereitstellung von mindestens einem, vorzugsweise mindestens zwei, weiter vorzugsweise mindestens drei, Seiten-Modulen und/oder Boden-Modulen zur Ausbildung einer Seitenwand bzw. eines Bodens, wobei mindestens ein Seiten-Modul und/oder mindestens ein Boden-Modul als Hohlkammerprofil ausgebildet ist oder mindestens ein Hohlkammerprofil umfasst, wobei vorzugsweise innerhalb des mindestens einen Hohlkammerprofils ein Versteifungselement, vorzugsweise ein Versteifungsrohr und/oder ein Versteifungsprofil vorgesehen ist,
• Hinzufügen von mindestens einem weiteren Seiten-Modul und/oder Boden-Modul zur Verbreiterung der Seitenwand bzw. zur Vergrößerung des Bodens, wobei mindestens zwei Seiten-Module über eine Verbindungseinrichtung miteinander verbunden sind und nebeneinander oder übereinander, einander fluchtend, angeordnet sind oder
• Entfernen von mindestens einem Seiten-Modul und/oder Boden-Modul zur Verschmälerung der Seitenwand bzw. zur Verkleinerung des Bodens.

The above object is achieved independently by a method for producing or resizing a light and / or ventilation shaft, preferably of the type described above, more preferably to provide a set of the type described above, with the following steps:

• Provision of at least one, preferably at least two, more preferably at least three, side modules and / or floor modules for forming a side wall or a floor, wherein at least one side module and / or at least one bottom module is formed as a hollow chamber profile or at least one hollow chamber profile, wherein preferably within the at least one hollow chamber profile, a stiffening element, preferably a stiffening tube and / or a stiffening profile is provided,
• Adding at least one further side module and / or floor module for widening the side wall or for enlarging the floor, wherein at least two side modules are connected to each other via a connecting device and are side by side or one above the other, aligned, arranged or
• Removal of at least one side module and / or floor module for narrowing the side wall or for reducing the size of the floor.

With regard to the advantages, reference is made to the above statements on the shaft, in particular light and / or ventilation shaft, or the set.

In a preferred embodiment, an inner surface of the side wall and / or the bottom is at least partially provided with a waterproof coating, which covers at least one connection region between two side modules and / or floor modules. As a result, a high functionality of the shaft, in particular light and / or ventilation shaft can be ensured despite the flexible, modular design.

Overall, the production costs are reduced.

Preferably, the invention includes floor and / or side modules and / or connecting devices that have a bright, light-reflecting color. In particular, when using light white as a bright light-reflecting hue for the bottom and / or side modules and / or the connecting devices in the shaft, in particular the light and / or ventilation shaft, incident light within the shaft is so reflects, for example, that a basement room is sufficiently lit. It is possible that the light color of the bottom and / or side modules and / or the connecting devices is applied to the respective modules in a coextrusion process.

Further embodiments emerge from the subclaims.

Fig. 1

eine Schrägansicht einer ersten Ausführungsform eines Lichtschachtes;

Fig. 2

eine Ansicht der Ausführungsform des Lichtschachtes gemäß Fig. 1 von vorne;

Fig. 3

einen Schnitt entlang der Linie III-III in Fig. 2;

Fig. 4

eine Schrägansicht einer zweiten Ausführungsform eines Lichtschachtes;

Fig. 5

eine Ansicht der Ausführungsform des Lichtschachtes gemäß Fig. 3 von vorne;

Fig. 6

eine Ansicht der Ausführungsform gemäß Fig. 4 von oben;

Fig. 7

einen Schnitt entlang der Linie VII-VII in Fig. 5;

Fig. 8

einen Schnitt entlang der Linie VIII-VIII in Fig. 6;

Fig. 9

eine Schrägansicht einer dritten Ausführungsform eines Lichtschachtes;

Fig. 10

eine Ansicht der Ausführungsform des Lichtschachtes gemäß Fig. 9 von vorne;

Fig. 11

einen Schnitt entlang der Linie XI-XI in Fig. 10; und

Fig. 12

eine Ansicht der Ausführungsform gemäß Fig. 9 in einer Ansicht von oben.

The invention will also be described in terms of further features and advantages based on embodiments, which are explained in more detail with reference to the drawings. Hereby show:

Fig. 1

an oblique view of a first embodiment of a light well;

Fig. 2

a view of the embodiment of the light shaft according to Fig. 1 from the front;

Fig. 3

a section along the line III-III in Fig. 2 ;

Fig. 4

an oblique view of a second embodiment of a light well;

Fig. 5

a view of the embodiment of the light shaft according to Fig. 3 from the front;

Fig. 6

a view of the embodiment according to Fig. 4 from above;

Fig. 7

a section along the line VII-VII in Fig. 5 ;

Fig. 8

a section along the line VIII-VIII in Fig. 6 ;

Fig. 9

an oblique view of a third embodiment of a light well;

Fig. 10

a view of the embodiment of the light shaft according to Fig. 9 from the front;

Fig. 11

a section along the line XI-XI in Fig. 10 ; and

Fig. 12

a view of the embodiment according to Fig. 9 in a view from above.

In the following description, the same reference numerals are used for the same and like parts.

Fig. 1 shows a first embodiment of a light well in an oblique view. The light well comprises a bottom 10 and a first side wall 11, second side wall 12 and third side wall 13. The first and second side walls 11, 12 are arranged opposite each other. The third side wall 13 forms a connecting wall between the side walls 11 and 12. Overall, a U-shaped (horizontal) cross-section is formed by the arrangement of the side walls 11 to 13. One of the third side wall 13 opposite side 14 remains open or is defined in the assembled state, for example by a building wall (not visible in the figures).

The light shaft can be attached via wall fasteners 15, 16 and 17 to a building wall (not visible). The fastening elements may for example comprise U-profiles, preferably made of aluminum or consist of such. In the present embodiment, the wall fastening elements 15, 16 and 17 include L-profiles or consist of such. The wall fastening element 15 is attached to a vertical, in the assembled state of the building wall facing edge of the first side wall 11. Accordingly, the fastener 16 is attached to a vertical edge of the second side wall 12. The wall fastening element 17 is attached to an edge of the floor 10 facing the building wall in the assembled state. Overall, a reliable hold on the building wall is ensured by the wall fastening elements 15 to 17.

The floor 10 includes a plurality of (three) floor modules 18. The side walls 11-13 comprise a plurality (four each) of stacked, horizontally-oriented side modules 19 (provided for superposition).

At an upper edge 20 of the side walls 11 to 13, a grate holder 21 is provided, which serves the support of a (not shown) Abdeckrostes. The grate holder 21 is U-shaped and has an outwardly and upwardly bent grate receiving edge 22 (see Fig. 2 ) on.

Fig. 2 shows a view of the light shaft viewed from the front or from the building wall (in the mounted state of the light shaft). The wall fastening elements 15 to 17 have a plurality of (three each) bores 23 in order to be able to fasten the wall fastening elements 15 to 17 or the light shaft to a building wall.

Fig. 3 shows a section along the line III-III in Fig. 2 , It can be seen that the floor modules 18 and the side modules 19 are formed as hollow chamber profiles. Within corresponding hollow chambers 24 stiffening profiles 25 are provided in order to increase the stability. Hint is in Fig. 3 to recognize that the grate holder 21 is connected to the respective top side modules 19 via a clip connection 26. By way of corresponding clip connections 26, the individual side modules are also connected to a respectively adjacent side module 19 or the bottom 10 or its bottom modules 18. The floor modules 18 are in turn provided with corresponding clip connections 26. By means of such clip connections, the individual modules (possibly including the grate holder 21) can be assembled and disassembled particularly easily, which improves flexibility. Alternatively or in addition to the indicated stiffening profiles 25, corresponding stiffening tubes can also be introduced into the hollow chambers 24.

Corners 27 (see Fig. 1 ) between the first side wall 11 and the third side wall 13 and the second side wall 12 and the third side wall 13 may be welded or otherwise connected. As an alternative to the clip connections 26, the individual floor modules or side modules 19 can also be connected in another way (for example by an adhesive).

A length 28 (see Fig. 1 ) can be adjusted over the length of the floor modules 18. Accordingly, a depth 29 can be changed over a width of the bottom modules 18. In addition, the depth 29 can be varied over the number of floor modules 18. A height 30 may be across a width of the side modules 19 and / or a number of the side modules 19 are varied. Overall, it can be seen that a large variety of different light shaft geometries can be achieved by floor or side modules of different lengths and / or widths and / or different numbers. Overall, the production costs are significantly reduced in the realization of various light wells.

In Fig. 4 is a second embodiment of a light well to see in an oblique view. The floor 10 with a plurality of (specifically three) floor modules 18 corresponds (essentially) to the first embodiment. Also, the wall attachment via the wall fastening elements 15 to 17 corresponds (substantially) to the first embodiment. However, the second embodiment differs in particular in the formation of the side walls 11 to 13. Namely, these do not include horizontally oriented side modules, but vertically oriented side modules 31 (provided for juxtaposition). The first side wall 11 and the second opposing side wall 12 each comprise three side modules 31. The third side wall 13 comprises four side modules 31. In the present embodiment, all the vertically oriented side modules 31 are formed identically, although the third side wall 13 is longer or wider than the first and second side wall 11, 12 is. It can be seen that with only one page module 31 several side wall sizes can be realized. In general (which is also claimed independently), it is preferred that at least two sidewalls have a different width and / or differ by the number of possibly identical side modules.

The grate holder 21 consists of several (three) grate receiving strips 32, which are increased over an upper edge of the side walls 11 to 13 (concretely: deferred) and together form the grate holder 21. Depending on a grate receiving strip 32 thereby covers an upper edge 35 of the side modules 31 of each of the side walls 11 to 13. Thereby, the respective side wall or its side modules 31 are stabilized. The grate receiving strip 32 thus serves two functions, namely on the one hand for supporting a grate and on the other hand for stabilizing the side modules 31 against each other. At a lower edge 36 of the side walls 11 to 13, the side modules 31 are received in a bottom bar 33. This bottom bar 33 serves at the same time a Connection to the bottom 10 and its bottom modules 18 and a stabilizing connection at the lower edge 36 of the side modules 31. At the corners 27 between the first side wall 11 and the third side wall 13 and the second side wall 12 and the third side wall 13 are Corner profiles 34 are arranged, each receiving a (opposite the building in the mounted state) vertical edge of the side wall 11 and a corresponding edge of the side wall 12 and each receive a vertical edge of the third side wall 13. The corner profiles 34, the stability of the light shaft can be further improved ,

The width or depth 29 of the light shaft can be varied both over the number and over the width of the bottom modules 18. In addition, in the second embodiment, a width of the side walls 11, 12 and 13 can be varied by the number of the vertically aligned second modules 31 and a width of the individual modules 31. A different height of the light shaft can be realized, for example, by providing side modules 31 of different lengths.

An essential idea of the invention (which is claimed independently) is that a light well is proposed, which is formed from a plurality of hollow chamber profiles.

Here, several U-profiles, for example, via a tongue and groove connection, stacked (interconnected). The U-profiles may consist of a plurality of (horizontally oriented) side modules 19 (according to the first embodiment according to FIG Fig. 1 ), wherein the individual side modules 19, which are each associated with one of the side walls 11 to 13, can be welded together. By a variation of length and width of the floor modules 18 and side modules 19, 31 light wells can be made individual in width, depth and height.

The locking receptacle 21 may be formed as (extruded) attachment profile. On the bottom side, the light shaft can be closed with a bottom plate (which is not necessarily, at least with regard to the second embodiment according to Fig. 4 , must be designed modular).

The light shaft can in principle be waterproofed by cover tapes, films or other jobs, preferably watertight.

As stiffening elements within the hollow chambers 24 are alternatively rectangular profiles (for example made of steel), pipes, Rollformprofile and the like in question. By such stiffening elements of the light shaft can be stiffened depending on the size and installation depth against earth pressure or other loads.

Overall, the variability in width, depth and height (possibly also infinitely) depending on customer request light wells or ventilation shafts can be produced. For example, the light shafts can also be used for large windows. In principle, the light shafts can also be used as supply and exhaust air ducts for heat pumps and / or emergency exit. Due to the flexible wall connection also projections in the facade can be formed without problems.

The first and second embodiments relate to light wells, which are designed for mounting on a (substantially) flat portion of the building wall. Alternatively, corner light wells can be manufactured. Fig. 9 shows a third embodiment, which is designed as Ecklichtschacht. As with the previous two embodiments, the term "light well" is to be understood as an example of "well" only. For example, by providing a (not shown in figures) partition, a ventilation shaft can be realized. A combination of light shaft and ventilation shaft is possible.

The corner light shaft according to Fig. 9 differs essentially from the first and second embodiments of the light shaft in that the floor plan is not (substantially) rectangular, but L-shaped. The L shape is particularly good in Fig. 12 to recognize, which shows a view from above. The corner light shaft according to Fig. 9 includes a first side wall 11, a second side wall 12, a third side wall 13, and a fourth side wall 37. The first side wall 11 and the second side wall 12 face each other. Furthermore, the third side wall 13 and the fourth side wall 37 are opposite. The first side wall 11 and fourth side wall 37 are shortened with respect to the second side wall 12 and the third side wall 13, so that the L-shape is realized or a (vertical extending) Eckausnehmung 38 is formed. The corner recess 38 may then receive a corner of a building (not shown in the figures).

As in Fig. 12 The first and fourth side walls are the same width, and the second and third side walls are the same width. However, it is also conceivable to form first and fourth side wall and / or second and third side wall of different widths. This can be done in a simple manner by varying the length of the floor modules 39, 40. First floor modules 39 are opposite second floor modules 40 (see Fig. 12 Shortened trained. An adaptation of the bottom 10 of the light shaft according to Fig. 9 to 12 can also be done via a variation of the number of first floor modules 39 and / or second floor modules 40. In the specific embodiment shown, seven first floor modules 39 and three second floor modules 40 are provided.

The side walls 11, 12, 13, and 37 each comprise a plurality of (specifically, five) side modules (which are horizontally aligned). 19. Corners 27 between the side walls 11, 12, 13, and 37 may be formed according to the first and second embodiments, respectively.

In general, the third embodiment may be formed like the first and second embodiments (with the described differences). In particular, the 10 and 11 It can be seen that the third embodiment also has wall fastening elements 41 to 44. In contrast to the first and second embodiments, four wall fastening elements 41 to 44 are provided in order to enable or facilitate the installation over the corner.

LIST OF REFERENCE NUMBERS

10

ground

11

Side wall

12

Side wall

13

Side wall

14

page

15

Wall fastener

16

Wall fastener

17

Wall fastener

18

Floor module

19

(horizontally oriented) page module

20

upper edge

21

grate fitting

22

Grate fitting edge

23

drilling

24

hollow

25

stiffening profile

26

Clip connection

27

corner

28

length

29

depth

30

height

31

(vertically aligned) page module

32

Grate fitting bar

33

Skirting

34

Corner profile

35

upper edge

36

lower edge

37

Side wall

38

corner recess

39

Floor module

40

Floor module

41

Wall fastener

42

Wall fastener

43

Wall fastener

44

Wall fastener

Claims (16)

1. A light shaft and/or ventilation shaft comprising at least one side wall (11, 12, 13) as well as a bottom (10),
   wherein
   the bottom (10) comprises at least two, preferably identical bottom modules (18) which are interconnected via a connecting means (26), wherein the at least one side wall (11, 12, 13) comprises at least two, preferably identical side modules (31) which are interconnected via a connecting means (26) and are arranged next to each other or one above the other to be flush,
   wherein
   at least one side module (19, 31) and/or at least one bottom module (18) is formed as a hollow chamber profile or comprises at least one hollow chamber profile, wherein a stiffening element (25), preferably a stiffening tube and/or a stiffening profile (25) is/are provided preferably within the at least one hollow chamber profile.
2. The light shaft and/or ventilation shaft according to claim 1,
   characterized by
   at least one plug connection, preferably a tongue-and-groove connection, for connecting two side and/or bottom modules (18, 19, 31).
3. The light shaft and/or ventilation shaft according to anyone of the preceding claims,
   characterized in that
   an upper side wall edge comprises a fastening means, in particular comprising a recess or a protrusion, preferably an insert profile such that a cover element, in particular a grating of the shaft, in particular light shaft and/or ventilation shaft, can be connected to the side wall edge (20).
4. The light shaft and/or ventilation shaft according to anyone of the preceding claims,
   characterized in that
   the side wall (11, 12, 13) and/or the bottom (10) is/are formed to be water pressure-tight by means of an application such as, for example, a foil or a sealing tape.
5. The light shaft and/or ventilation shaft according to anyone of the preceding claims,
   characterized in that
   at least two side modules (19, 31) or one bottom module (18) is/are of different size, in particular have a mutually deviating width and/or length.
6. The light shaft and/or ventilation shaft according to anyone of the preceding claims,
   characterized in that
   at least two side modules (19, 31) and/or bottom modules (18) are formed to be rectangular and preferably have a different width and/or length.
7. The light shaft and/or ventilation shaft according to anyone of the preceding claims,
   characterized in that
   at least one cover element receiving bar, in particular a grating receiving bar (32) is provided for receiving a cover element, in particular a grating, wherein the cover element receiving bar preferably overlays upper edges of at least two side modules (31).
8. The light shaft and/or ventilation shaft according to anyone of the preceding claims,
   characterized by
   a connecting bar (32, 33, 34) in which in each case one edge of at least two side modules (19, 31) and/or bottom modules (18) is received.
9. The light shaft and/or ventilation shaft according to anyone of the preceding claims,
   characterized in that
   at least two bottom modules (18) each constitute at least 10%, preferably 20%, even further preferably 30% of the bottom (10) and/or at least two side modules (19, 31) each constitute at least 10%, preferably at least 20%, even further preferably at least 30% of a side wall (11, 12, 13).
10. The light shaft and/or ventilation shaft according to anyone of the preceding claims,
    characterized in that
    a (vertically extending) corner recess is provided such that the shaft is mountable to a building in a corner configuration, wherein the bottom (10) preferably has a plurality of bottom modules (18) arranged in parallel, wherein further preferably a first plurality of bottom modules (18) has a first length and a second plurality of bottom modules (18) has a second length which is different from the first length.
11. The light shaft and/or ventilation shaft according to anyone of the preceding claims,
    characterized in that
    a vertically oriented or orientable partition, if necessary fixedly connected to the shaft, is provided or introduced into the shaft so as to be able to divide the shaft into two partial shafts.
12. A set for producing a light shaft and/or a ventilation shaft preferably according to anyone of the preceding claims, comprising at least one side wall (11, 12, 13) as well as a bottom (10), wherein the bottom (10) comprises at least two bottom modules (18) which are interconnected via a connecting means (26), wherein the at least one side wall (11, 12, 13) comprises at least two side modules (31) which are interconnected via a connecting means (26) and are arranged next to each other or one above the other to be flush to each other, wherein the side modules (19, 31) and bottom modules (18) are encompassed such that the width and/or depth of the light shaft and/or ventilation shaft can be varied by using the modules (18, 19, 31),
    wherein at least one side module (19, 31) and/or at least one bottom module (18) is formed as a hollow chamber profile or comprises at least one hollow chamber profile, wherein a stiffening element (25), preferably a stiffening tube and/or a stiffening profile (25) is/are provided preferably within the at least one hollow chamber profile.
13. The set according to claim 12,
    characterized in that
    at least two modules (18, 19, 31) are differently dimensioned, in particular are formed to be of different width and/or different length.
14. Use of at least two bottom modules (18) and at least two, preferably identical side modules (19, 31) for producing a bottom (10) and a side wall (11, 12, 13), respectively, of a light shaft and/or ventilation shaft according to anyone of claims 1 to 11.
15. A method for producing a light shaft and/or ventilation shaft or adjusting the size of a light shaft and/or ventilation shaft comprising at least one side wall (11, 12, 13) as well as a bottom (10) preferably according to anyone of claims 1 to 11, further preferably by providing a set according to anyone of claims 12 or 13, including the following steps:

    - providing at least two, in particular at least three side modules (19, 31) and/or bottom modules (18) for forming a side wall (11, 12, 13) and a bottom (10), respectively, wherein at least one side module (19, 31) and/or at least one bottom module (18) is formed as a hollow chamber profile or comprises at least one hollow chamber profile, wherein a stiffening element (25), preferably a stiffening tube and/or a stiffening profile (25) is/are provided preferably within the at least one hollow chamber profile;

    - adding a further side module (31) and/or bottom module (18) for widening the side wall (11, 12, 13) or for enlarging the bottom (10), wherein at least two side modules (31) are interconnected via a connecting means (26) and are arranged next to each other or one above the other to be flush to each other, or

    - removing at least one side module (31) and/or at least one bottom module (18) for narrowing the side wall (11, 12, 13) or downsizing the bottom (10).
16. The method according to claim 15,
    characterized in that
    an inner surface of the side wall (11, 12, 13) and/or of the bottom (10) is provided with a watertight coating at least in areas, which coating overlays at least one connecting area between two side modules (19, 31) and/or bottom modules (18).

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