EP2981661B1 - Modularly designed wall bracket and covering and holding device for weather protection of capstones and masonry - Google Patents

Description

The invention relates to a cover and holding device for weather protection of wall crowns and masonry.

The field of application of the invention is in the field of construction, especially wall, wall and building construction as well as house and gala building.

In construction technology, it is necessary, on the one hand, that walls and walls, in particular, have to be protected from bad weather, such as the penetration of rainwater, for example by rain or snow, or moisture during the construction phase of buildings. A legal standard for this is DIN 18299. On the other hand, protection against excessive sun exposure is also necessary to prevent the freshly bricked or poured walls and walls from drying out too quickly.

Usually, different tarpaulins or sheets of different materials are used for this, often also packaging waste from building materials, which are placed on the top of the wall and mostly weighed down with loose building materials, e.g. wooden planks, slats or masonry stones or their remnants.

However, these devices offer practically no safe function for protection against moisture, especially when exposed to wind. Even at relatively low wind speeds, the wind attacks the tarpaulin or membrane and the weighting itself, so that it slips or is often pulled off the top of the wall together with the membrane and tarpaulin, which then leads to further damage, including serious personal injury. can lead. Furthermore, due to unsuitable weighting or its unsuitable nature, for example due to burrs or Edges that damage the cover film. In addition to the already mentioned considerable risk of accidents due to falling weight, the wall cover practically loses its protective function.

Various solutions are found in the prior art to solve this problem. So is from the DE 202 15 656 U1 a covering device for surfaces, in particular for the tops of partially finished masonry or for open-top wall crowns, is known, which has a water-repellent or waterproof cover, the cover being fixable by means of at least one clamping device. Such a clamping device comprises a carrier and two clamping brackets for generating a clamping force directed against the side surface of the wall. Each clamping bracket in turn comprises an elastic clamping clip and a fastening receptacle through which the carrier can be inserted to support the respective clamping bracket on the carrier. The longitudinal axis of the carrier approximately forms a right angle with the longitudinal axis of the clamping clip when released, that is to say when the clamping bracket is not tensioned. In the tensioned state of the clamp, this angle is between 115 ° and 85 °. The two clamping brackets can be displaceable on the carrier in the direction of the longitudinal axis of the carrier; however, they can also be locked at a predetermined position with additional fixing means. The carrier can be designed in the form of a roof batten, while the clamping bracket can be made of steel strip, a sheet metal strip, plastic or the like.

Also from the EP 1 995 395 A2 is a cover for masonry, especially for the top of a masonry known. With this cover, the cover can be attached and fastened to the wall or the masonry by means of an arch spanning the wall or the wall crown. The cover is designed to be flexible and sold by the meter and has flexible bends at intervals, in particular U-shaped or Ω-shaped clamping arches. These clamping arches can be formed from spring steel as well as from fiber-reinforced plastic. The flexible material by the meter can be a transparent film or tarpaulin.

The DE 20 2008 015 924 U1 describes a waterproof and flexible masonry cover fixed with a U-shaped bracket. The clip can in particular consist of metal, with stainless steel such as spring steel being used in particular.

From the DE 2009 015 498 A1 a wall covering clip is known, which is designed as a bracket, clip, hook, claw, circle, arch, U-shaped or similar and is held onto the wall by its own weight or by clamping action. In this way, the wall cover bracket should guarantee a secure hold of a wall cover, which can be in the form of tarpaulins or sheets.

The disadvantages of a part of the previously known solutions are primarily such that many are constructed and manufactured from one part, but there are many different wall thicknesses. This means that a separate solution or a completely new part must be manufactured, stored and used for each wall thickness. Other individual solutions, which should nevertheless be adjustable in some way, do not do justice to the dirt and environmental influences which are always present on the construction sites and / or the safety requirements and are unusable. Another disadvantage of the solutions found is that they mostly consist of metal, either of rust-free metal or of normal metal, for example spring steel, these materials having to be protected from rust by galvanizing, painting or coating. However, various damage to them always occurs during the intended use, particularly of the latter devices, because, for example, the masonry causes scratches on the surfaces of the devices used Materials are created that still rust them. At the same time, these scratches also cause edges and burrs, which in turn damage the cover films and render them unusable for protection against moisture.
Another disadvantage of using metals is that they are among the coveted targets of thieves. Metal theft is an increasing problem in many countries due to rising raw material and scrap prices, especially on construction sites.

Another disadvantage is that in most known solutions the clamping devices used are very narrow, that is to say they have a very narrow web width, and in some cases even consist of a single wire bracket. Such solutions are a makeshift solution, but not a practical solution, because staples, brackets and the like with a narrow web width rotate on the wall crown when the force is applied by wind and therefore no longer securely enclose the cover film. The cause lies in the much too small or too narrow contact surface of the holding device on the tarpaulin. The cover loses its function.

Another disadvantage is that the existing solutions cannot be labeled or cannot be labeled sufficiently, which would be necessary or advantageous, for example, for material labeling, size or type information or for advertising purposes.

From the JP H10 18531 A is known as a water drip from a wall crown for a parapet. Wall crowns of various widths can be covered using a water cover which is fastened on a holding device comprising an outer corner part, an inner corner part and a connecting part connecting the two corner parts. The connecting part is cut in such a way that it corresponds to the width of the wall crown. Similar devices are also from the FR 2 546 949 A1 and the BE 1 015 102 A6 is known, in which cases multi-part holding devices are screwed to the top of the wall crown. The cover is placed above the brackets. All three of the latter devices are intended to remain permanently on the top of the wall.

The invention has for its object to provide a covering and holding device for covering wall crowns and masonry, which can be easily and quickly attached and removed, reusable and inexpensive in terms of the material used and at the same time a safe wall covering under all weather - and weather influences guaranteed. The disadvantages mentioned in the prior art are to be avoided.

This object is advantageously achieved with the invention mentioned in claim 1. The solution consists in a cover and holding device for weather protection of wall crowns and masonry, comprising at least one modular wall bracket for fastening a cover of wall crowns and masonry as well as a cover made of a flexible, waterproof and / or UV-protected material, which can be fixed as an underlying cover using one or more wall brackets on the wall crown and on the masonry. An essential feature of the invention is that the wall bracket has a modular structure, that is to say it consists of individual parts. The wall bracket comprises two leg parts and a cross part, each made of plastic, each leg part on the one hand and the cross part on the other hand each having first mutually corresponding connecting elements for connecting the respective leg part to the cross part. According to the invention, each leg part has a corner part for this, which - starting from a leg area - via a rounded or non-rounded corner into a connecting area runs in which the first connecting element of the leg part is designed for connection to at least one terminal first corresponding connecting element of the cross part, the connecting region being oriented at an acute, right or obtuse angle to the leg region.

The modular construction of the wall bracket achieves several advantages. Since all bricks, regardless of their size, always have the same height, the leg parts can be made identically in the same size for all wall and wall thicknesses, which significantly reduces the manufacturing costs and enables variability for the customer.

The wall bracket can be manufactured in the simplest way, quickly, in large numbers and quality at low costs. In addition, there is the advantage that, due to the always identical leg parts, all wall brackets always have the same clamping force, no matter what size is used for the cross part. The modular construction also has the advantage that only the cross member is changeable and that the size of the respective wall or wall thickness has to be manufactured differently. This also has the advantage that by using a different cross member, that is to say in a different size or length, special dimensions of wall brackets in any size can also be produced and used.

Another advantage is that the wall bracket and its components are made entirely of plastic. This avoids from the outset the problem of metal theft and the problem of rusting in all metal covering devices. In addition, the plastic wall bracket has the advantage of a very low weight over the metal solutions, which in the event of an unexpected fall does no damage or seriously injures people. For the safe function of the wall bracket, it is designed in such a way that it fixes itself due to its own weight and / or clamping action and holds the cover film securely. The clamping effect is achieved, for example, by the elastic leg parts alone and / or by an overall elastic wall bracket in which the transverse part is also elastic.

In an advantageous embodiment of the invention, the connecting element of the respective leg part is designed as a receptacle, preferably as a chamber or chamber-like receptacle, into which the terminal corresponding connecting element of the cross part is fitted and at least in the longitudinal direction of the cross part is fully accommodated in the assembled state.

The use of plastic as the production material has the advantage that different materials can also be used for the components of the wall bracket and / or these can also be colored differently. For example, UV protection or frost protection can be selected by the customer without having to change anything in the construction of the wall bracket. At the same time, the wall bracket has an elastic behavior over a wide temperature range and can also be attached to vertical or sloping wall crowns.

The cross member is preferably provided with openings and / or stiffeners. If the cross section is provided with openings, there is the advantage that moisture which forms below it, for example when it rains, can evaporate. With stiffeners there is the possibility that the cross-section can be manufactured for any size of wall thickness.

According to a further preferred embodiment of the invention, the corner part of the leg parts is in each case provided with one or more stiffeners which run over the corner. The corner part can be thinned in the area of the corner with respect to the rest of the leg part. The elasticity or stiffness of the corner part and thus the resilience of the wall bracket can be set in a targeted manner via such stiffeners and / or thinners.

The assembly of the wall bracket is usually carried out by joining the respective leg part with the cross part by a blow by hand, hammer or the like. An additional striking surface is preferably provided on the respective leg parts in the area of the corner part for joining the respective leg part to the cross part by a blow by hand, hammer or the like. This helps to ensure that the wall bracket is not damaged during assembly and that the person installing it does not injure himself. The secure, permanent connection of the leg parts to the cross part can be achieved in various ways, for example by wedging, splinting, press fitting or by additional mutually corresponding connecting elements on the leg parts on the one hand and the cross part on the other hand, for example for connecting by means of a so-called snap-in -Technology.

According to a preferred embodiment, the leg parts of the wall bracket are each rounded at the lower end, that is to say from the connection area, at the corners. According to an advantageous development of the invention, the leg parts of the wall bracket each have a nail hole at the lower end, that is to say from the connection area.

The great advantage of the invention is that the wall bracket is designed so that it lies flat on the underlying cover, for example a wall covering tarpaulin or cover film, and thus securely fixes it against wind and weather conditions. The wall bracket cannot twist due to the large surface area on the cover film and wall. The flat construction also ensures that the wall bracket does not offer any surface for wind and that the nearby workers are not hindered by protruding structures, such as the one from the DE 202 15 656 U1 Known clamping device is the case in which the two clamping brackets each rest only on the cover with a small contact surface and are otherwise laterally spaced from the cover and the masonry. In addition, in this prior art, the (cross) beam also projects laterally beyond the masonry and even beyond the clamping bracket, which is largely spaced from the masonry. In an advantageous embodiment of the present invention, the leg parts and the transverse part of the wall bracket are designed in such a way that the leg region of the leg part is flat and rests flat on the cover and neither parts of the leg part nor of the cross part extend beyond the flat and adjacent leg region Extend the wall laterally and thus avoid any obstacles when working or moving on the construction site.

In addition, an advantage of the flat construction of the wall bracket is that different markings, size or type specifications or inscriptions can be applied to the individual parts, especially on the leg parts, for example as advertising in the form of stickers with the company logo and the like. The wall bracket can therefore be used as an inexpensive advertising space, for example for self-promotion by the active construction company. The leg parts of the wall bracket preferably have an inscription surface which is suitable for Appropriate material labeling, size or type information, advertising purposes or the like can be used.

In a particularly advantageous embodiment of the invention, the leg parts of the wall bracket protrude at the lower end, that is to say from the connection region, from the cover, which in turn covers the wall crown and on both sides the upper region of the respective side wall of the masonry.

In addition to the above technical advantages, the wall bracket according to the invention also offers economic advantages because it prevents moisture in the masonry from the start of construction and the masonry does not have to be used dry or heated dry. This not only saves not inconsiderable heating costs, but also protects the environment and thus contributes to climate protection.

The use of plastic for the wall bracket has the advantage that the wall bracket is ecologically recyclable without any problems and can therefore be reused. In addition, an economic advantage for the user is that the wall bracket can be used multiple times and over a long period.

By forming nail holes at the lower ends of the legs, there is the advantage that by hammering in a nail, additional locking and holding the wall bracket in place in the event of bad weather, such as during storms and hurricanes, or if the masonry has to be covered for a long time, for example Winter is assured. The position of the nail hole is so advantageous that the nail hits the joint, but does not damage the brick and therefore does not damage it, nor does the cover film.

Rounded corners at the lower ends of the legs have the advantage that damage to the cover film when the wall bracket is placed on the wall crown is practically impossible.

According to a further advantageous embodiment of the invention, the leg parts are not rigid in themselves, but instead have a joint or hinge below the corner part, as a result of which the leg region of the leg part or at least the lower leg parts can be moved and folded relative to the corner part.

Fig. 1:

eine montierte, modular aufgebaute Mauerklammer,

Fig. 2:

eine Innenansicht eines Schenkelteils der Mauerklammer vor einer Montage,

Fig. 3:

ein Querteil der Mauerklammer vor der Montage,

Fig. 4:

eine Außenansicht eines Schenkelteils der Mauerklammer vor der Montage und

Fig. 5:

ein klappbares Schenkelteil der Mauerklammer.

Further details and advantages of the invention result from the following description of exemplary embodiments with reference to the associated drawings. Show it:

Fig. 1:

an assembled, modular wall bracket,

Fig. 2:

an interior view of a leg portion of the wall bracket before assembly,

Fig. 3:

a cross section of the wall bracket before assembly,

Fig. 4:

an external view of a leg portion of the wall bracket before assembly and

Fig. 5:

a foldable leg part of the wall bracket.

The Figures 1 to 5 show embodiments of a wall bracket 1, consisting of two leg parts 2 and a cross part 3rd

An essential feature of the invention is that the wall bracket 1 is constructed and constructed in a modular manner, that is to say it consists of individual parts 2, 3. This means, The wall bracket 1 consists of two leg parts 2, each of which has a corner part 4 with a connecting area 5, and a connecting cross part 3, the two leg parts 2 each joined together with the cross part 3 resulting in the complete wall bracket 1, as in FIG Fig. 1 shown. The dimensioning shown is only related to a wall thickness. The corner part 4 runs - starting from a leg area 6 - over a rounded (as in Fig. 1 shown) or non-rounded corner 4a into the connection area 5, in which a first connection element of the leg part 2 is formed for connection to a terminal first corresponding connection element of the cross part 3, the connection area 5 as shown in FIG Fig. 1 is oriented approximately at right angles or slightly acute to the leg region 6 of the leg part 2. For the safe function of the wall bracket 1, this is designed so that it fixes itself by its own weight and / or by clamping action and the in Fig. 1 Cover, not shown, for example a cover sheet, holds securely. The clamping effect is achieved, for example, by the elastic leg parts 2 alone and / or by an overall elastic wall bracket 1, in which the cross member 3 is also elastic. The components 2, 3 of the wall bracket 1, that is, the two leg parts 2 and the cross member 3, are made of plastic. For the components 2, 3, plastic made of different material can be used, which can also be colored differently.

For the joining of the leg parts 2 and the cross part 3 is, as an interior view of a leg part 2 in Fig. 2 shows, the corner part 4 of the respective leg part 2 in the connection area 5 with a chamber-like receptacle 5a, hereinafter referred to as chamber 5a. The chamber 5a, as the first connecting element 5a of the corner part 4, offers a suitable receiving possibility 5a for first terminal corresponding connecting elements 5b of the cross part 3, the cross part 3 in Fig. 3 is shown in the unassembled state. Since the cross member 3 for the connection is formed with two leg parts 2, it has such first terminal corresponding connecting elements 5b on both sides. The cross member 3 is further provided with openings 7 and 8 stiffeners. Since the cross member 3 is provided with openings 7, there is the advantage that moisture which forms below it, for example when it rains, can evaporate. Furthermore, the cross member 3 can be manufactured according to requirements by stiffeners 8 for any size of wall thickness.

The secure permanent connection of the two leg parts 2 to the cross part 3 can be achieved in various ways, for example by wedging, split pins, press fit or, as in the Figures 2 and 3rd shown, by additional mutually corresponding connecting elements 9 on the respective leg part 2 on the one hand and the transverse part 3 on the other hand, for example for the connection by means of a so-called snap-in technique. According to the representations in the Figures 2 and 3rd are the additional connecting elements 9 of the respective leg part 2 two upward-facing openings 9 of the chambers 5a of the leg part 2 (see Fig. 2 ), into the two corresponding projections 9 formed on the first connecting elements 5b of the cross member 3 (see Fig. 3 ) click into place.

The two leg parts 2 can be joined together with the cross part 3 by a powerful blow by hand, hammer or the like. In order not to cause damage to the wall bracket 1 and not to injure yourself, an extra striking surface 10 is provided on one or both leg parts 2, which, like that Fig. 2 shows, is supported from the inside by a plurality of rectangular projections 11, each of which abuts the striking surface 10 with a cathete and rests with the other cathete on the connecting region 5 of the corner part 4 of the respective leg part 2. The striking surface 10 itself is in an external view of a leg part 2 of the wall bracket before assembly in Fig. 4 shown. The leg parts 2 of the wall bracket 1 have at the lower end, that is End facing away from the connection area 5, rounded corners 12 and a so-called nail hole 13. The leg parts 2 also have a labeling surface 14. This can be used, for example, for the application of advertising and the like.

The rounded corners 12 at the lower leg ends have the advantage that damage to the cover film when the wall bracket 1 is placed on the wall crown is practically excluded. The nail holes 13 at the lower ends of the legs have the advantage that there is an additional locking and holding the wall bracket 1 in bad weather conditions, such as during storms and hurricanes or when the masonry has to be covered for a long time, for example by hammering in a nail Winter is assured. The position of the nail hole 13 is carried out so advantageously that the nail hits the joint, but does not damage the brick and thus does not damage it, nor does the cover film.

The Fig. 5 shows a further embodiment for a leg part 2 of the wall bracket. The leg parts 2 are not rigid in themselves, but have a joint 15 or hinge 15 below the corner part 4. As a result, the leg region 6 of the leg part 2 or at least the lower leg parts can be moved and folded relative to the corner part 4.

At least one spring is installed in the joint / hinge 15, for example in the form of an annular, helical, spiral or torsion spring. This spring is preloaded such that the leg regions 6 or the leg ends automatically fold in when the wall bracket is not in use, that is to say under the transverse part 3 (in Fig. 5 not shown) fold in, provided that the cross part is the same length or longer than the leg parts 2 or the leg regions 6.

If the wall bracket is to be used again, the folded leg parts 2 are opened again by muscle strength and the wall bracket can be attached to the wall crowns as usual. So that the additional joint / hinge 15 cannot be overpressed and turn freely, that is, so that the clamping force of the wall bracket is retained as usual, a stop 16 is present on the joint / hinge 15. This stop 16 limits the maximum freedom of movement 17 (indicated by an arrow) of the leg regions 6 or leg ends in this direction and thus guarantees the intended use of the wall bracket. The resilience of the wall bracket is thus guaranteed unchanged by the elastic leg parts 2. The spring tension preloaded in the joint / hinge 15 serves primarily for the automatic folding in of the leg regions 6 or leg ends when the wall bracket is not in use, but also supports the elasticity of the wall bracket during use as a whole.

• eine deutliche Verringerung des Platzbedarfs bei Lagerung und Nichtbenutzung der Mauerklammer,
• eine Verringerung des Platzbedarfs, was besonders bei mittleren und großen Baugrößen erfolgt,
• eine wesentliche Unterstützung einhändig ausgeführter Arbeitsabläufe aufgrund des automatischen Einklappens der Schenkelbereiche beziehungsweise Schenkelenden durch die Federspannung bei Nichtbenutzung, da so ein einhändiges Entfernen und Ablegen der Mauerklammer in einer Aufbewahrungsbox mühelos möglich ist, und
• eine zusätzliche Unterstützung der Spannkraft der Mauerklammer durch die Federspannung.

The advantages of the foldable arrangement are:

• a significant reduction in the space required when storing and not using the wall bracket,
• a reduction in the space requirement, which is particularly the case with medium and large sizes,
• a substantial support for one-handed work processes due to the automatic folding of the leg areas or leg ends by the spring tension when not in use, since it is effortlessly possible to remove and put down the wall bracket in a storage box, and
• an additional support of the clamping force of the wall bracket by the spring tension.

All other properties of the wall bracket remain unchanged, as well as the possibility of attaching advertising stickers.

LIST OF REFERENCES

1

Wall bracket

2nd

Leg parts, part, part (of the wall bracket 1)

3rd

Cross part, part, part (of wall bracket 1)

4th

Corner part (one leg part 2)

4a

Corner (of the corner part 4)

5

Connection area

5a

Fastener; first (corresponding) connecting element of the leg part 2, accommodation option, chamber, chamber-like accommodation

5b

first (corresponding) connecting element of the cross member 3; terminal corresponding connecting element of the cross member

6

Leg area of the leg part 2

7

Breakthroughs

8th

Stiffeners

9

additional connecting elements corresponding to one another (of the cross part 3 and of the leg part 2), openings of the chambers 5a of the leg part 2, corresponding projections (of the cross part 3)

10th

Face

11

Ledges

12

rounded edges

13

Nail hole

14

Labeling area

15

Joint, hinge

16

attack

17th

Freedom of movement 17 of the leg regions 6 or leg ends

Claims (10)

1. Covering and holding device for weather protection of wall copings and masonry, comprising at least one wall bracket (1) with a modular structure for attaching a cover over copings and masonry, as well as a cover constructed from a material that is flexible, watertight and/or protected from UV radiation that can be fixed in position as a subjacent cover on the wall coping and the masonry using one or more wall brackets (1), wherein the wall bracket exhibits two leg sections (2) and one transverse section (3), each of which are constructed from plastic, characterised in that each leg section (2) on the one side and the transverse section (3) on the other each exhibit initial connection elements (5a, 5b) that mate with one another for connecting the respective leg section (2) with the transverse section (3), and wherein each leg section (2) exhibits a corner section (4) that - starting from a leg area (6) - passes over a rounded off or non-rounded off corner (4a) and into a connection area (5), in which the connecting element (5a) of the leg section (2) is constructed for connection with at least one final corresponding connection element (5b) of the transverse section (3), wherein the connection area (5) is oriented at an acute angle, right angle or obtuse angle to the leg area (6).
2. Covering and holding device (1) according to claim 1, characterised in that the connecting element (5a) of the leg section (2) is a mounting fixture (5a), preferably a chamber-like mounting fixture (5a), that fully incorporates the final corresponding connecting element (5b) of the transverse section (3) appropriately and at least in the longitudinal direction of the transverse section (3).
3. Covering and holding device according to claim 1 or 2, characterised in that plastic produced from different material and/or material of different colour is used for the individual components (2, 3).
4. Covering and holding device according to one of the claims 1 to 3, characterised in that the transverse section (3) includes openings (7) and/or reinforcements (8).
5. Covering and holding device according to one of the claims 1 to 4, characterised in that the corner section (4) of the leg sections (2) is equipped with one or more reinforcements (8) that run over the corner.
6. Covering and holding device according to one of the claims 1 to 5, characterised in that the corner section (4) is constructed thinner in the area of the corner (4a) relative to the remaining leg section (2).
7. Covering and holding device according to one of the claims 1 to 6, characterised in that an extra striking surface (10) is provided on the leg sections (2) in the area of the corner section (4) for joining the respective leg section (2) with the transverse section (3) by a strike of the hand, hammer or similar.
8. Covering and holding device according to one of the claims 1 to 7, characterised in that the leg sections (2) are not rigid in themselves, but rather exhibit a joint (15) or hinge (15) below the corner section (4), which means that the leg area (6) of the leg section or at least the lower leg sections can be moved and folded in relative to the corner section (4).
9. Covering and holding device according to one of the claims 1 to 8, characterised in that the leg sections (2) of the wall bracket (1) project beyond the lower end, i.e. the end furthest away from the connection area (5), of the cover.
10. Covering and holding device according to claim 9, characterised in that the leg sections (2) of the wall bracket (1) exhibit a nail hole at the lower end, i.e. the end furthest away from the connection area (5), wherein the position of the nail hole (13) is chosen in such a way that the nail hits a gap, but not a brick and therefore damages neither this nor the cover.

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