EP2960392B1 - Élément de coffrage de bordure - Google Patents

Élément de coffrage de bordure Download PDF

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Publication number
EP2960392B1
EP2960392B1 EP15168344.8A EP15168344A EP2960392B1 EP 2960392 B1 EP2960392 B1 EP 2960392B1 EP 15168344 A EP15168344 A EP 15168344A EP 2960392 B1 EP2960392 B1 EP 2960392B1
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EP
European Patent Office
Prior art keywords
formwork element
edge formwork
floor edge
element part
slab
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EP15168344.8A
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German (de)
English (en)
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EP2960392A1 (fr
Inventor
Konrad Wetzstein
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Diha Patentverwertungs GbR
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Diha Patentverwertungs GbR
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Publication of EP2960392A1 publication Critical patent/EP2960392A1/fr
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B2005/322—Floor structures wholly cast in situ with or without form units or reinforcements with permanent forms for the floor edges

Definitions

  • the present invention relates to a slab edge formwork element according to the preamble of patent claim 1.
  • Such a ceiling edge formwork element is, for example, from DE 10 2012 108 662 A1 famous.
  • a slab edge formwork By assembling several such or other slab edge formwork elements, a slab edge formwork can be formed, which is used in the production of storey slabs of buildings and which remains in the building, i.e. as a so-called lost (edge) formwork for the storey slab.
  • the use of slab edge formwork is shown schematically in figure 11 illustrated.
  • the figure 11 shows a cross section through part of a building containing a ceiling edge formwork composed of several ceiling edge formwork elements.
  • 91 is a wall constituting an outer wall of a building
  • by 92 is a floor slab
  • by 93 is a slab edge formwork.
  • the slab edge formwork elements 93 are placed on the part of the wall, for example on the row of bricks, on which the lateral edge of the storey slab 92 also rests.
  • the slab edge formwork elements 93 are attached before the storey slab 92 is produced.
  • the slab edge formwork elements 93 are usually attached to the part of the wall below with the aid of an adhesive or mortar. Then the floor slab 92 is produced, with the slab edge formwork elements 93 being usable as permanent (edge) formwork for a concrete slab produced, for example, by liquid concrete.
  • the wall 91 can then be raised further.
  • the ceiling edge formwork elements 93 are flush with the outside of the wall 91, but have a smaller width than the portions of Wall 91 below and above.
  • the lateral edge of the floor slab 92 rests on the part of the wall not covered by the slab edge formwork elements 93 .
  • slab edge formwork elements must of course be so stable and resilient that they can absorb the forces acting on them when used as intended.
  • slab edge formwork elements should have the best possible thermal insulation properties. It should be noted here that at least in Germany it will be required from 2014 that the support depth of the floor slab 92 must meet certain minimum requirements. More specifically, the floor 92 must rest on the wall that supports it for at least 2/3 of the thickness of the latter. This means that the maximum width of the slab edge formwork elements is 1/3 of the thickness of the wall 91. This is less than before, because up until now there have been no regulations with regard to the support depth. As a result, it becomes even more difficult to comply with thermal insulation regulations.
  • slab edge formwork elements should be designed in such a way that they can absorb relative movements (caused, for example, by different thermal expansion and/or vibrations) between the floor slab 92 and the wall 91, otherwise cracks could develop in the wall 91 or in a layer of plaster applied to it.
  • slab edge formwork elements should be as easy to manufacture and process as possible.
  • the present invention is therefore based on the object of further developing the slab edge formwork element according to the preamble of patent claim 1 in such a way that it has better thermal insulation properties.
  • the ceiling edge formwork element according to the invention is composed of several individual parts makes it possible in a very simple manner to achieve an optimal compromise between the thermal insulation properties of the ceiling edge formwork element, the resilience of the ceiling edge formwork element, and the ability of the ceiling edge formwork element to absorb forces acting on it.
  • the slab edge formwork element parts forming the slab edge formwork element are designed such that they can be connected to one another from above by attaching the second slab edge formwork element part to the first slab edge formwork element part.
  • the slab edge formwork element parts can be brought into their intended relative position particularly quickly, easily and reliably and maintain this position, which in turn is a guarantee that the assembled slab edge formwork element has the desired properties and this maintains.
  • the slab edge formwork element presented here has the same functions as above with reference to FIG figure 11 described conventional slab edge formwork element 93. It is also designed to be built into the wall at the same place as the slab edge formwork element 93. More specifically, it is designed to be placed on top of the part of the wall on which the floor slab also rests, and to be fixed using an adhesive or using mortar, or in any other way to the part of the wall supporting the slab edge formwork element.
  • the wall is a brick wall, the bricks being clay bricks in the example considered, but they could also consist of sand-lime brick, lightweight concrete, aerated concrete or any other materials.
  • the part of the wall on which the ceiling edge formwork elements are placed can, in principle, consist of any material and be composed of any number, any size, and any design elements. Prefabricated wall elements can also be used. It will be appreciated that, depending on the nature of the wall, other methods of attaching the slab edge formwork to the wall may or must be used.
  • a first embodiment of the ceiling edge formwork element presented here is in the Figures 1 and 2 illustrates where the figure 1 shows a perspective view of the ceiling edge formwork element, and the figure 2 a sectional view of the ceiling edge formwork element. That in the Figures 1 and 2 The ceiling edge formwork element shown is denoted there by the reference number 1 .
  • the slab edge formwork element 1 is composed of several individual parts. More precisely, it consists of a first ceiling edge formwork element part 11 and a second ceiling edge formwork element part 12 connected to the first ceiling edge formwork element part 11 Figures 3 and 4 perspective views of these items are shown.
  • the first slab edge formwork element part 11 and the second slab edge formwork element part 12 have the same height and the same length, but can have different widths independently of one another. To avoid misunderstandings, the figure 1 indicated in which directions the length l, the height h and the width b extend.
  • the slab edge formwork element parts 11 and 12 are designed to be connected to one another by plugging them together. The connection is made in that the second slab edge formwork element part 12 is pushed onto the first slab edge formwork element part 11 from above.
  • the slab edge formwork element parts 11 and 12 come to lie one behind the other in relation to the width direction b.
  • the height of the resulting slab edge formwork element is equal to the height of the slab edge formwork element parts 11 and 12.
  • first slab-edge formwork element part 11 and the second slab-edge formwork element part 12 were put together without a mutual offset in the longitudinal direction, an essentially cuboid body would be obtained.
  • first slab edge formwork element part 11 and the second slab edge formwork element part 12 can, however, be plugged together offset in relation to the longitudinal direction. This is even the preferred way of assembling the slab edge formwork parts 11 and 12; assembly without a longitudinal offset is theoretically possible, but should be avoided.
  • first slab edge formwork element part 11 and the second slab edge formwork element part 12 are fixed to one another and preferably can no longer be moved relative to one another.
  • the height of the slab edge formwork element 1 is equal to the height of the floor slab.
  • the width is preferably adapted to the thickness of the wall and is 1/3 of the thickness of the wall.
  • the length of the slab edge formwork element parts 11 and 12 is 1 m in the example under consideration, but can also be arbitrarily larger or smaller.
  • the side 111 of the first ceiling edge formwork element part 11 facing away from the second ceiling edge formwork element part 12 comes to rest on the outside of the wall and thus forms part of the outer surface of the wall.
  • the first ceiling edge formwork element part 11 consists of heat-insulating material which has the best possible heat-insulating properties and at the same time is so stable that it is only slightly compressed by the forces acting on it during intended use.
  • foamed plastics for example polystyrene or polystyrene mixed with graphite. These materials are known, for example, under the brand names Styropor or Neopor.
  • Styropor or Neopor the brand names
  • Any other materials can also be used which have good thermal insulation properties and withstand the mechanical stresses occurring during intended use, for example foamed polyurethane, foamed polyethylene, or the material known by the brand name Styrodur.
  • the previously mentioned side 111 of the first ceiling edge formwork element part 11 on the outside of the building is a substantially flat vertical surface which can have smaller elevations, depressions or other structures which improve the suitability of the surface 111 as a plaster base.
  • the upper side and the lower side of the first slab edge formwork element part 11 are essentially flat horizontal surfaces, which can have smaller elevations, depressions, or other structures that ensure a better hold of the slab edge formwork element on the adjacent wall sections.
  • the side of the first ceiling edge formwork element part 11 opposite the side 111, ie the side 112 of the first ceiling edge formwork element part 11 facing the second ceiling edge formwork element part 12, is stepped. More specifically, the side 112 descends in three stages from the narrower top to the wider bottom, the number of stages also being larger or smaller.
  • a vertical depression 113 or 115 is formed in each step, so that as a result vertical depressions 113 or 115 and vertical elevations 114 or 116 follow one another in alternation.
  • the elevations and depressions mentioned each have an essentially rectangular cross section, but can also have other cross sections.
  • a locking lug 117 which extends in the horizontal direction and under which a locking lug which is present on the second ceiling edge formwork element part 12 can engage.
  • the second ceiling edge formwork element part 12 consists of heat-insulating material which has the best possible heat-insulating properties and at the same time is so stable that it can withstand the forces acting on it during normal use Forces is only slightly compressed. In the example under consideration, the same material is used as for the first slab edge formwork element part 11.
  • the first slab edge formwork element part 11 is preferably designed to be harder or less easily deformable than the second slab edge formwork element part 12.
  • the slab edge formwork element parts 11 and 12 are made of Neopor, and the density of the first slab edge formwork element part 11 is 33 kg /m 3 , and the density of the second slab edge formwork part 12 is 30 kg/m 3 .
  • the densities can be independently larger or smaller.
  • the side 121 of the second ceiling edge formwork element part 12 facing away from the first ceiling edge formwork element part 11 comes to rest on the inside, ie it is the side facing the storey ceiling.
  • This side 121 of the second ceiling edge formwork element part 12 on the inside of the building is a substantially flat vertical surface.
  • two horizontally running recesses 122 with a rectangular cross section are provided, extending over the entire length of the second ceiling edge formwork element part 12, the function of which will be explained in more detail later.
  • This recess 123 is an angle in cross section with a first leg extending horizontally inward from the side 121 and a first leg lying from the inside End of leg at right angles downwards outgoing second leg. The function of this recess 123 will be explained in more detail later.
  • the upper side and the underside of the second ceiling edge formwork element part 12 are essentially flat horizontal surfaces that can have smaller elevations, depressions, or other structures that ensure a better hold of the ceiling edge formwork element on the adjacent wall sections.
  • the side of the second slab edge formwork element part 12 opposite side 121 i.e. the side 124 of the second slab edge formwork element part 12 facing the first slab edge formwork element part 11, is designed to complement the side 112 of the first slab edge formwork element part 11 facing side 124. That is to say, the side 124 also has alternating vertical elevations and vertical depressions, the vertical elevations being denoted by the reference symbols 125 and 127 and the vertical depressions being denoted by the reference symbols 126 and 128.
  • the elevations and depressions mentioned each have a substantially rectangular cross section.
  • the elevations 114 and 116 and the indentations 113 and 115 of the first slab edge formwork element part 11, and the elevations 125 and 127 and the indentations 126 and 128 of the second slab edge formwork element part 12 are designed in such a way that the elevations of the first slab edge formwork element part 11 in the depressions of the second ceiling edge formwork element part 12 come to rest, and the elevations of the second ceiling edge formwork element part 12 come to rest in the depressions of the first ceiling edge formwork element part 11 .
  • At the tops of ridges 126 and 128 are bevels 129 is provided, the function of which will be explained in more detail later.
  • the elevations 114, 116, 125 and 127 do not completely fill the depressions 113, 115, 126 and 128 in which they come to rest. In some sections, the elevations have a smaller width and/or a smaller height than the associated depressions. Cavities 13 to 17 are formed in the areas of the depressions that are not filled by the elevations.
  • the slab edge formwork element 1 can absorb forces acting in the direction of the first slab edge formwork element part 11 . These forces which can be absorbed by the slab edge formwork element 1 include, in particular, those forces which are exerted by the storey slab on the slab edge formwork element 1 due to vibrations, thermal expansion or other causes.
  • first slab edge formwork element part 11 facing side 124 of the second slab edge formwork element part 12 goes from this one extending in the horizontal direction locking lug 130, the intended assembled, so in the in the Figures 1 and 2 shown state of the slab edge formwork element parts 11 and 12 is engaged under the above-mentioned locking lug 117 of the first slab edge formwork element part 11.
  • the slab edge formwork element parts 11 and 12 are characterized in the in the Figures 1 and 2 brought to the intended end state shown, that the second ceiling edge formwork element part 12 is placed from above onto the first ceiling edge formwork element part 11 .
  • This placement is made possible by the above-mentioned bevels 129 at the ends of the elevations 125 and 127 of the second ceiling edge formwork element part 12 facilitates.
  • the elevations 125 and 127 are automatically guided into the associated depressions 113 and 115 of the first ceiling edge formwork element part 11 by the bevels 129 .
  • the elevations 114 and 116 of the first slab edge formwork element part 11 reach the associated depressions 126 and 128 of the second slab edge formwork element part 12.
  • the slab edge formwork element parts 11 and 12 cannot be moved relative to one another even in the horizontal direction. This is because the elevations are only partially smaller than the depressions in which they are located. More precisely, the front ends of the projections are no narrower than the depressions in which they come to rest. Thus, the elevations cannot move within the depressions. To put it more precisely, a movement in the direction of the width b is completely impossible, and a movement in the direction of the length l is at least made more difficult.
  • the elevations preferably sit so tightly in the depressions that due to the frictional forces to be overcome no movement at all in the direction of length l is possible.
  • the resulting slab edge formwork element 1 has essentially flat horizontal upper and lower sides. Both the tops of the slab edge formwork element parts 11 and 12 and the undersides of the slab edge formwork element parts 11 and 12 abut one another without gaps and without a height offset.
  • the ceiling edge formwork elements 1 can also use one in the figure 5 shown anchor 18 are fixed in their intended position.
  • the armature 18 is an angle with a horizontal leg and a vertical leg extending vertically downwards from the latter, with a hole 181 being provided in the horizontal leg.
  • the anchor 18 can be pushed from the side into the angular recess 123 provided in the second part 12 of the slab edge formwork element.
  • FIG 1 illustrates the state in which this has already happened.
  • a first end of a wire, a cord, or the like can now be attached to this hole 181 .
  • the other end can then be attached, for example, to the reinforcing steel for the floor slab or to another non-movable part of the building.
  • the slab edge formwork element cannot be moved out of its intended position and out of its intended location even by very large forces.
  • the armature 18 is preferably made of a material with poor thermal conductivity, for example a plastic, but can in principle also be made of any other material.
  • connection of the slab edge formwork element parts 11 and 12 by placing the second slab edge formwork element part 12 from above enables a particularly simple and quick production of a slab edge formwork.
  • This prevents, among other things, that the first ceiling edge formwork element 11, which has already been placed and adjusted on the wall, is displaced laterally.
  • This can also prevent the adhesive or mortar, which is used to attach the ceiling edge formwork elements to the wall, from being laterally displaced by the second ceiling edge formwork element part 12 during assembly.
  • no adhesive or mortar can get between the slab edge formwork element parts 11 and 12, and it is ensured that the slab edge formwork elements are connected to the adjacent wall sections over the entire surface and evenly.
  • it is guaranteed under all circumstances that the slab edge formwork element parts 11 and 12 in the assembled state exactly assume a predetermined relative position and cannot leave it.
  • the above-mentioned cavities 13 to 17 between the slab edge formwork element parts 11 and 12 allow forces acting on the slab edge formwork element 1 to be able to be absorbed.
  • the same positive effect can be achieved if the cavities are filled with third slab edge formwork parts, which are made of a very easily deformable elastic material.
  • the material is preferably much softer and more easily compressible than the slab edge formwork element parts 11 and 12, so that the slab edge formwork element 1 can be compressed to a similar extent with the same effort as if only the unfilled cavities were provided.
  • a material that can be used for this purpose is a foamed plastic, for example a soft foam.
  • the third ceiling edge formwork element parts can also consist of any other materials that have the desired properties.
  • the filling of the cavities with the third slab edge formwork element parts has the positive effect that the thermal insulation properties of the slab edge formwork element 1, which are already good in any case, are further improved as a result.
  • the cavities filled by the third slab edge formwork element parts can be made larger without impairing the thermal insulation properties of the slab edge formwork element parts, as a result of which the slab edge formwork element is even more compressible, i.e. can absorb even greater forces.
  • the third slab edge formwork element parts can be correspondingly shaped, for example cuboid, individual parts which are fastened to the corresponding points on the first slab edge formwork element part 11 or on the second slab edge formwork element part 12 before the first and second slab edge formwork element parts 11 and 12 are assembled.
  • fastening There are several options for fastening.
  • a first possibility is that the third slab edge formwork element parts on the first slab edge formwork element part 11 or glued to the second slab edge formwork element part 12.
  • Another possibility is that complementary structures, such as depressions and associated elevations, are provided on the third slab edge formwork element parts and the first and second slab edge formwork element parts 11 and 12, so that the third slab edge formwork element parts can be placed on the first or second slab edge formwork element -Part 11 or 12 can be plugged on and held on it by a clamping effect.
  • the attachment could also be done by snap-in connections. Casting or spraying on the third slab edge formwork element parts would also be conceivable.
  • the slab edge formwork element 1 can of course be manufactured in different heights.
  • the height of the slab edge formwork element preferably corresponds to the thickness of the slab that is to be produced using the slab edge formwork elements.
  • the slab edge formwork element 1 can of course also be produced in different widths.
  • the width is preferably chosen to be as large as possible, but, as already mentioned, may not exceed 1/3 of the wall thickness. Therefore, the optimal thickness of the ceiling edge formwork element 1 depends on the wall thickness.
  • the fourth slab-edge formwork element part 19 is placed laterally, if required, on the side 121 of the second slab-edge formwork element part 12 facing away from the first slab-edge formwork element part 11 .
  • the fourth slab-edge formwork element part 19 has horizontal elevations 191 on its side facing the second slab-edge formwork element part 12, which extend over the entire length of the fourth slab-edge formwork element part 19 and are complementary to those on the side 121 of the second slab-edge formwork element -Part 12 provided depressions 122 are formed.
  • the elevations 191 of the fourth slab edge formwork element part 19 come to rest in the depressions 122 of the second slab edge formwork element part 12 and are held therein by a clamping effect.
  • the fourth ceiling edge formwork element part 19 has depressions 192 on its side facing away from the second ceiling edge formwork element part 12 , which depressions 122 correspond to the depressions 122 provided in the second ceiling edge formwork element part 12 .
  • a further fourth ceiling edge formwork element part 19 can be attached to the fourth ceiling edge formwork element part 19 using these depressions.
  • 19 ceiling edge formwork elements with different thicknesses can be created using one or more fourth ceiling edge formwork element parts.
  • the fourth slab edge formwork element part 19 also has on its side facing the second slab edge formwork element part 12 and on its side away from the second slab edge formwork element part 12 side facing away from lateral incisions 193 and 194 at different heights. These incisions represent predetermined breaking points at which the fourth ceiling edge formwork element part 19 can be broken. This makes it possible to adapt the height of the fourth slab edge formwork element part 19 to the height of the first and second slab edge formwork element parts 11 and 12 . This has the positive effect that the fourth ceiling edge formwork element part 19 can be used with any height of the first and second ceiling edge formwork element parts 11 and 12 .
  • the protruding part of the fourth slab edge formwork element part 19 can simply be broken off at one of the existing lateral incisions 193 or 194 and the height can thus be adapted to the given conditions .
  • the fourth slab edge formwork element parts 19 are preferably attached to the second slab edge formwork element part 12 before this is placed on the first slab edge formwork element part 11
  • the fourth slab-edge formwork element parts 19 consist of the same material as the second slab-edge formwork element part 12, but could also consist of any other material.
  • Corner pieces intended for use in building corners can also be created using the above-described slab edge formwork elements or slab edge formwork element parts.
  • the Figures 9 and 10 show perspective views of such corner pieces.
  • the figure 9 a corner piece for an outside corner, and the figure 10 a corner piece for an inside corner.
  • the corner pieces denoted by the reference numerals 2 and 3 in the figures are likewise composed of several individual parts, like the straight slab edge formwork elements 1 described above. In particular, they also include a first slab edge formwork element part 21 or 31 and a second slab edge formwork element part 22 or 32.
  • the first slab edge formwork element parts 21 and 31 are in turn each composed of two straight slab edge formwork element parts 11 .
  • the two straight slab edge formwork element parts 11 are cut off at one of their ends at a 45° angle and are connected to one another at these ends, for example by gluing or any other desired manner.
  • the second slab edge formwork element parts 22 and 32 are each composed of two straight slab edge formwork element parts 12 .
  • the two straight slab edge formwork element parts 12 are cut off at one of their ends at a 45° angle and are connected to one another at these ends, for example by gluing or any other desired manner.
  • corner pieces for right-angled corners can be produced by appropriately cutting the straight ceiling edge formwork element parts.
  • the corner angle can be selected in any size, so that suitable corner pieces can be produced for any corner of the building.
  • the first slab edge formwork element parts 21 or 31 and the second slab edge formwork element parts 22 or 32 are assembled in the same way as with the straight slab edge formwork elements, namely by attaching the second slab edge formwork element part to the first slab edge formwork element part, with the corner pieces also being the first Ceiling edge formwork element part 21 or 31 comes to rest on the outside.
  • slab edge formwork elements also have special slab edge formwork element corner pieces 2 or 3 proves to be advantageous, because the manufacture of slab edge formwork usually begins in a building corner, i.e. the manufacture of the slab edge formwork with the assembly of a slab edge formwork element corner piece 2 or 3 begins and thus the further production of the ceiling edge formwork can be influenced by a special design of the corner piece.
  • slab edge formwork element corner pieces 2 and 3 are used, in which the ends of the legs of the first slab edge formwork element parts 21 and 31 facing away from the corner come to lie at different points than the ends of the legs facing away from the corner of the second slab edge formwork element parts 22 and 32, ie the first slab edge formwork element parts 21 and 31 and the second slab edge formwork element parts 31 and 32 only partially overlap one another.
  • the second slab edge formwork element part 22 or 32 ends before the first slab edge formwork element part 21 or 31.
  • the first ceiling edge formwork element part 21 or 31 it would also be possible for the first ceiling edge formwork element part 21 or 31 to end in front of the second ceiling edge formwork element part 22 or 32 .
  • the special design of the corner pieces forces the person producing the slab edge formwork to arrange the first and second slab edge formwork element parts with the advantageous mutual lateral offset.
  • slab edge formwork elements described above can be modified in many ways.
  • elevations and depressions using which the fourth slab edge formwork element part 19 is connected to the second slab edge formwork element part or a further fourth slab edge formwork element part.
  • elevations and depressions can also be modified in many ways in terms of arrangement, shape, size and number.
  • the slab edge formwork element parts connected to one another can no longer move relative to one another when connected to one another, there is no restriction to this either.
  • a relative mobility of the slab edge formwork element parts connected to one another can also be provided. This applies in particular in cases in which mobility is restricted, for example if movements can only take place in a certain direction, or if movements can only take place to a certain maximum extent, or if movements can only take place with great effort, or if Movements can only take place with certain tricks (so that no unintentional independent relative movements can take place).
  • you also have to accept unintentional relative movements This is the case, for example, if the slab edge formwork element parts cannot be manufactured differently, or at least not with reasonable effort, or if the relative mobility is a consequence of the unavoidable variance during manufacture and only occurs in exceptional cases.
  • slab edge formwork element presented here proves to be very advantageous in several respects, regardless of the details of the practical implementation.
  • particularly good thermal insulation and particularly good force absorption can be achieved with slab edge formwork elements of the type presented with particularly simple and rapid processing.

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  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
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Claims (13)

  1. Élément de coffrage de bordure de plafond (1, 2, 3), qui est conçu pour être utilisé en tant que coffrage perdu lors de la fabrication d'un plafond d'étage d'un bâtiment, et qui est composé de plusieurs parties individuelles, les plusieurs parties individuelles comprenant une première partie d'élément de coffrage de bordure de plafond (11, 21, 31) et une deuxième partie d'élément de coffrage de bordure de plafond (12, 22, 32), la deuxième partie d'élément de coffrage de bordure de plafond (12, 22, 32) étant conçue pour être reliée à la première partie d'élément de coffrage de bordure de plafond (11, 21, 31) et pour venir se placer, à l'état conformément relié, entre la première partie d'élément de coffrage de bordure de plafond (11, 21, 31) et le plafond d'étage à fabriquer, et les parties d'élément de coffrage de bordure de plafond étant configurées de telle sorte qu'elles peuvent être mises en liaison l'une avec l'autre par le haut par un emboîtement de la deuxième partie d'élément de coffrage de bordure de plafond (12, 22, 32) sur la première partie d'élément de coffrage de bordure de plafond (11, 21, 31), caractérisé en ce que le côté (112) de la première partie d'élément de coffrage de bordure de plafond (11, 21, 31) tourné vers la deuxième partie d'élément de coffrage de bordure de plafond (12, 22, 32) descend en au moins un niveau d'un côté supérieur plus étroit de la première partie d'élément de coffrage de bordure de plafond (11, 21, 31) à un côté inférieur plus large de celui-ci et présente des élévations et des creux verticaux, et en ce que le côté (124) de la deuxième partie d'élément de coffrage de bordure de plafond (12, 22, 32) tournée vers la première partie d'élément de coffrage de bordure de plafond (11, 21, 31) est configurée de manière complémentaire à celle-ci.
  2. Élément de coffrage de bordure de plafond (1, 2, 3) selon la revendication 1, caractérisé en ce que l'élément de coffrage de bordure de plafond comprend une ou plusieurs troisièmes parties d'élément de coffrage de bordure de plafond, ces troisièmes parties d'élément de coffrage de bordure de plafond étant agencées dans des cavités présentes entre la première partie d'élément de coffrage de bordure de plafond (11, 21, 31) et la deuxième partie d'élément de coffrage de bordure de plafond (12, 22, 32), et en ce que les troisièmes parties d'élément de coffrage de bordure de plafond sont plus facilement compressibles que la première partie d'élément de coffrage de bordure de plafond (11, 21, 31) et la deuxième partie d'élément de coffrage de bordure de plafond (12, 22, 32).
  3. Élément de coffrage de bordure de plafond selon la revendication 1 ou 2, caractérisé en ce que l'élément de coffrage de bordure de plafond est une pièce d'angle (2, 3) conçue pour être utilisée dans un angle de bâtiment, avec deux branches coudées l'une par rapport à l'autre se rencontrant dans l'angle de bâtiment, et en ce que les longueurs des branches de la première partie d'élément de coffrage de bordure de plafond (21, 31) et les longueurs des branches de la deuxième partie d'élément de coffrage de bordure de plafond (22, 32) sont choisies de telle sorte qu'à l'état conformément reliées entre elles des parties d'élément de coffrage de bordure de plafond, les extrémités détournées de l'angle des branches de la première partie d'élément de coffrage de bordure de plafond (21, 31) viennent se placer à d'autres endroits que les extrémités détournées de l'angle des branches de la deuxième partie d'élément de coffrage de bordure de plafond (22, 32), c'est-à-dire que la première partie d'élément de coffrage de bordure de plafond (21, 31) et la deuxième partie d'élément de coffrage de bordure de plafond (22, 32) ne se chevauchent que partiellement.
  4. Élément de coffrage de bordure de plafond selon l'une quelconque des revendications précédentes, caractérisé en ce que la deuxième partie d'élément de coffrage de bordure de plafond (12, 22, 32) peut être posée sur la première partie d'élément de coffrage de bordure de plafond (11, 21, 31) de telle sorte que des élévations (114, 116) prévues sur la première partie d'élément de coffrage de bordure de plafond (11, 21, 31) viennent se placer dans des creux (126, 128) correspondants de la deuxième partie d'élément de coffrage de bordure de plafond (12, 22, 32) et/ou des élévations (125, 127) prévues sur la deuxième partie d'élément de coffrage de bordure de plafond (12, 22, 32) viennent se placer dans des creux (113, 115) correspondants de la première partie d'élément de coffrage de bordure de plafond (11, 21, 31).
  5. Élément de coffrage de bordure de plafond selon la revendication 4, caractérisé en ce que les élévations (114, 116, 125, 127) prévues sur la première partie d'élément de coffrage de bordure de plafond (11, 21, 31) et sur la deuxième partie d'élément de coffrage de bordure de plafond (12, 22, 32) ne remplissent que partiellement les creux (113, 115, 126, 128) dans lesquels elles viennent se placer.
  6. Élément de coffrage de bordure de plafond selon la revendication 5, caractérisé en ce que les élévations (114, 116, 125, 127) prévues sur la première partie d'élément de coffrage de bordure de plafond (11, 21, 31) et sur la deuxième partie d'élément de coffrage de bordure de plafond (12, 22, 32) remplissent entièrement une zone des creux (113, 115, 126, 128) dans lesquels elles viennent se placer.
  7. Élément de coffrage de bordure de plafond selon l'une quelconque des revendications précédentes, caractérisé en ce que la première partie d'élément de coffrage de bordure de plafond (11, 21, 31) et la deuxième partie d'élément de coffrage de bordure de plafond (12, 22, 32) ne sont pas mobiles l'une par rapport à l'autre dans l'état conformément reliées entre elles.
  8. Élément de coffrage de bordure de plafond selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une autre partie d'élément de coffrage de bordure de plafond (19) est prévue, qui peut être agencée sur le côté (121) de la deuxième partie d'élément de coffrage de bordure de plafond (12, 22, 32) détourné de la première partie d'élément de coffrage de bordure de plafond (11, 21, 31).
  9. Élément de coffrage de bordure de plafond selon la revendication 8, caractérisé en ce que l'autre partie d'élément de coffrage de bordure de plafond (19) est conçue pour être emboîtée latéralement sur la deuxième partie d'élément de coffrage de bordure de plafond (12, 22, 32) et y être maintenue par effet de serrage.
  10. Élément de coffrage de bordure de plafond selon la revendication 8 ou 9, caractérisé en ce que l'autre partie d'élément de coffrage de bordure de plafond (19) présente un ou plusieurs points destinés à la rupture (193, 194), au niveau desquels elle peut être rompue afin d'adapter sa hauteur à la hauteur de la deuxième partie d'élément de coffrage de bordure de plafond (12, 22, 32).
  11. Élément de coffrage de bordure de plafond selon l'une quelconque des revendications précédentes, caractérisé en ce que, sur le côté (121) de la deuxième partie d'élément de coffrage de bordure de plafond (12, 22, 32) détourné de la première partie d'élément de coffrage de bordure de plafond (11, 21, 31), un évidement (123) est prévu, dans lequel peut être inséré un ancrage (18) à l'aide duquel l'élément de coffrage de bordure de plafond peut être fixé de manière supplémentaire dans sa position conforme.
  12. Élément de coffrage de bordure de plafond selon l'une quelconque des revendications précédentes, caractérisé en ce que la première partie d'élément de coffrage de bordure de plafond (11, 21, 31) est fabriquée en un matériau plus dur que la deuxième partie d'élément de coffrage de bordure de plafond (12, 22, 32).
  13. Élément de coffrage de bordure de plafond selon la revendication 2, caractérisé en ce que les troisièmes parties d'élément de coffrage de bordure de plafond sont fixées à la première partie d'élément de coffrage de bordure de plafond (11, 21, 31) ou à la deuxième partie d'élément de coffrage de bordure de plafond (12, 22, 32).
EP15168344.8A 2014-06-26 2015-05-20 Élément de coffrage de bordure Active EP2960392B1 (fr)

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DE202017107471U1 (de) 2017-12-07 2018-01-02 DiHa Patentverwertungs GbR (vertretungsberechtigte Gesellschafter Konrad Wetzstein, 86502 Laugna und Anton Kempter, 89361 Landensberg) Deckenrandschalungselement
CH714812B1 (de) * 2018-03-20 2022-02-28 Albanese Pino Erweiterungselement für einen Abschalwinkel.
DE102018109989A1 (de) * 2018-04-25 2019-10-31 Holzmann Gmbh & Co. Kg Aus mehreren Formteilen zusammengesetztes Deckenrandschalungselement
DE102018109987A1 (de) * 2018-04-25 2019-10-31 Holzmann Gmbh & Co. Kg Federndes Deckenrandschalungselement

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