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EP3070224A1 - Straight edge of construction element, construction element comprising such an edge and method for manufacturing such a construction element - Google Patents

Straight edge of construction element, construction element comprising such an edge and method for manufacturing such a construction element Download PDF

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Publication number
EP3070224A1
EP3070224A1 EP16160859.1A EP16160859A EP3070224A1 EP 3070224 A1 EP3070224 A1 EP 3070224A1 EP 16160859 A EP16160859 A EP 16160859A EP 3070224 A1 EP3070224 A1 EP 3070224A1
Authority
EP
European Patent Office
Prior art keywords
edge
border
cells
row
construction element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16160859.1A
Other languages
German (de)
French (fr)
Other versions
EP3070224B1 (en
Inventor
Thierry Haour
Frédéric MAZUY
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KP1 SAS
Original Assignee
KP1 SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KP1 SAS filed Critical KP1 SAS
Priority to PL16160859T priority Critical patent/PL3070224T3/en
Publication of EP3070224A1 publication Critical patent/EP3070224A1/en
Application granted granted Critical
Publication of EP3070224B1 publication Critical patent/EP3070224B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0002—Auxiliary parts or elements of the mould
    • B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
    • B28B7/002—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps using magnets
    • 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
    • E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
    • E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
    • 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 invention relates to a straight edge construction element for receiving at least one construction accessory.
  • the invention particularly relates, although not exclusively a rectilinear edge of a predalle for including the reception of at least one retaining element so that the retaining element and the rectilinear edge together form a formwork portion for casting a compression slab on the predalle, the predalle and the compression slab together forming a floor.
  • the invention also relates to a construction element comprising such a border.
  • the invention relates in particular, although not exclusively, a pre-slab having such a border.
  • the invention relates more particularly, although not exclusively, a concrete slab including such a border and prefabricated on a production site to be transported to a construction site of a building to be installed.
  • the invention also relates to a method of manufacturing such a construction element.
  • slabs to build the floors of a building saves considerable time on the construction of this building.
  • a slab is manufactured on a production site so as to be light enough to be transportable to a construction site of a building, and sufficiently strong to support the weight of the compression slab then poured onto it. construction site.
  • the realization of a floor using such pre-slabs consists first of all in installing a set of slabs resting on the walls of slits or beams of the building, so as to cover the entire floor surface to achieve. Then, once these predalles are installed, operators place on the upper face they delimit, a set of reinforcement to form the reinforcements of the compression slab to flow.
  • the formwork of the compression slab to be poured thus has a bottom formed by the upper face of the slabs, and a peripheral rim which is formed in part by the walls surrounding the floor to be built, and partly by additional elements of wood or other that the operators add along the free edges.
  • the concrete pouring of the compression slab is thus carried out directly on the slabs.
  • the object of the invention is to propose a rectilinear edge of a construction element that can be secured to said building element without being covered with concrete hindering the future interlocking of construction accessories on the edge, as well as a construction element. having such a border and a method of manufacturing such a construction element.
  • the object of the invention is a rectilinear edge of a construction element extending along a straight line and having two main faces extending along said axis.
  • the border comprises a magnet for pressing the edge against a wall of a mold for manufacturing a construction element associated with the edge, the magnet being arranged on one of the main faces of the edge so as to protrude from said face.
  • the magnet when the edge is positioned in the manufacturing mold of the building element to be secured to the concrete body of said building element, the magnet allows the edge to be properly positioned in the mold being well. pressed against the wall of the mold. In addition, the magnet makes it possible to maintain the plated rim in position against the wall of the mold even when pouring the mold. concrete.
  • the magnet facilitates the joining of the edge to the corresponding construction element since the magnet serves both as a means of positioning the edge in the manufacturing mold and both of means for holding the position in position. the border in said manufacturing mold.
  • the rim includes a cellular honeycomb structure that includes raised cells extending outwardly from the rim from the major face of the rim opposite to the one carrying the magnet, to be to be facing a concrete body of the building element, the structure comprising at least one row of raised cells which are arranged side by side along the line and which extend from the structure towards the the outside of the border to be intended to be opposite a concrete body of the building element.
  • the structure comprises at least one obviously crossing it, obviously being arranged at a height of the upper structure at the height of the construction element to which the border is intended to be fixed.
  • the structure comprises at least one anchor foot extending from a lower portion of the structure to the outside of the edge.
  • the invention also relates to a construction element, the construction element comprising a concrete body and at least one edge as previously described which is anchored in the concrete body to form at least a portion of an edge of the building element.
  • construction accessories retaining element, heat insulation block, safety member Certainly, construction accessories (retaining element, heat insulation block, safety member ”) can be secured by simple interlocking at the edge.
  • the magnet facilitates the joining of the edge to the corresponding construction element since the magnet serves both as a means for positioning the edge in the manufacturing mold and both of the holding means in the position of the border in said manufacturing mold.
  • the terms “lower”, “superior”, “height”, “length” ... must be understood in relation to the position in service the border is the position of the border when placed in a mold for the construction element or once attached to the construction element.
  • the building element edge according to the first embodiment of the invention is rectilinear and extends along a line X.
  • the border 1 comprises a structure 2 plastic dimple which comprises raised cells extending from the structure 2 to the outside of the border 1.
  • the different cells 2 are here open towards the outside of the border 1.
  • the edge 1 Due to its honeycombed plastic structure, the edge 1 is not only flexible and flexible but also light. This facilitates the manipulation of the border 1. In addition, it is possible to have a border 1 of large dimensions and in particular of great length.
  • the structure 2 is for example polypropylene.
  • the structure 2 comprises a first row 3 of cells arranged side by side along the line X (one of the cells of the first row 3 is symbolized in dashed lines and designated by 4). All the cells of the first row 3 are here contiguous.
  • the structure 2 comprises a second row 5 of cells arranged side by side along the line X and joined two by two (one of the cells of the second row 5 being symbolized in dot-dashes and denoted by 6), each block of two contiguous cells (one of the blocks being symbolized in dashes and designated by 7) being separated by a space 8 of the next block of two contiguous cells. Thanks to the different spaces 8, the structure 2 is particularly flexible.
  • the second row of cells extends under the first row 3 of cells so that a cell of the second row 5 is in the extension of a respective cell of the first row 3.
  • the second row of cells therefore extends parallel to the first row 3 of cells.
  • the cells of the first row 3 are all identical to each other and the cells of the second row 5 are all identical to each other.
  • the cells of the first row 3 and the cells of the second row 5 have the same length (dimension taken along the line X) and substantially the same width (dimension taken along a straight line Y perpendicular to the line X and corresponding to the relief of the cells).
  • the cells of the second row 5 here have a height greater than the cells of the first row 3 (dimension taken along a straight line Z perpendicular to the line X and the line Y).
  • all the cells of the structure 2 extend from the same main face of the structure 2 (corresponding here to the main face of the border 1).
  • the other main face of the structure 2 (here corresponding to the other main face of the edge 1) then turns out to be free of cells and is therefore substantially smooth.
  • the structure 2 comprises for example 29 cells for the first row 3 and 20 cells for the second row 5.
  • the structure 2 comprises recesses 9 (some of which are only referenced) passing through the structure 2 in its width. More specifically here a recess 9 passes through the structure 2 at each of the cells of the second row 5 and at each space 8 separating the blocks of two contiguous cells.
  • the recesses 9 are arranged in the upper part of the cells of the second row 5 and associated spaces 8, substantially at the level of the boundary between the first row 3 of cells and the second row 5 of cell.
  • the upper portion of the structure 2 has clipping notches 10 (only a part of which is referenced) regularly distributed over the length of the structure 2 for the nesting of construction accessories on the edge 1 as we will see later. .
  • the clipping notches 10 are identical.
  • the clipping notches 10 are here formed at the boundary between the first row 3 of cells and the second row 5 of cell by an inflection in the walls of the cells. At each border there is a clipping notch 10.
  • each clipping notch 10 is surmounted by an anti-fouling nose 11 (some of which are referenced).
  • the anti-fouling nozzles 11 are all identical.
  • the antifouling nozzles 11 are here formed in the walls of the first row 3 of cells so as to form a protrusion coming above the clipping notches 10.
  • the antifouling nozzles 11 are furthermore configured so as to be inclined towards the low portion of the structure 2.
  • the lower portion here has feet 12 anchoring.
  • the feet 12 are regularly distributed over the length of the structure 2.
  • the feet 12 are identical.
  • Each foot 12 extends here from a lower portion of the structure 2 towards the outside of the edge 1.
  • Each foot 12 extends in the extension of one of the walls common to two contiguous cells of the second row 5 (ie a wall of normal the line X).
  • the structure 2 here comprises a foot 12 at each block of two contiguous cells.
  • the structure 2 comprises for example ten feet 12.
  • the structure 2 comprises two wings 13 associated with each leg 12.
  • Each wing 13 extends transversely to the foot 12 associated between a lower part of the foot 12 to the second row 5 of the cell. More specifically, each wing 13 extends from the lower part of the foot 12 to the outer wall of the block of two contiguous cells corresponding to said foot 12, outer wall parallel to the wall common to the two contiguous cells of said block.
  • each positioning tab 14 is arranged so as to extend to the normal of the structure 2 towards the outside of the structure.
  • the border 1 in the extension of the cells, in the direction of the width of the structure 2 (so here so to extend along the line Z).
  • the structure 2 here comprises several tabs 14.
  • the structure 2 comprises two tabs 14.
  • the tabs 14 are identical, extend from the same level of the lower portion and are distributed along the length of the structure 2. Each tab 14 extends here from the lower portion of one of the spaces 8 separating two blocks of contiguous cells.
  • the two longitudinal ends (along the X axis) of the structure respectively comprise male detent means 15 and female detent means 16, for example of the tenon / mortise type. In this way, it proves possible to fit one after another several edges 1 very easily by snapping the female latching means 16 with the male latching means 15 of two consecutive edges 1.
  • the edge 1 comprises a magnet 17.
  • the lover 17 is here arranged on the main face of the structure 1 opposite to that from which the cells extend.
  • the magnet 17 is arranged to protrude from the rest of said main face. More precisely here, the magnet 17 is arranged below the different recesses 9 of the structure 2.
  • the magnet 17 is in the form of a band.
  • the magnet 17 is arranged so as to extend along the line X.
  • the magnet 17 thus makes it possible to cover the entire length of the structure 2.
  • the border 1 which has just been described is preferably manufactured by injection.
  • the border 1 is therefore simple and quick to manufacture.
  • the border 1 which has just been described here is intended to form a portion or all (along its length) of one of the longitudinal edges of a predalle 20, that is to say that the border 1 is aligned so that the X axis is parallel to the associated longitudinal edge of the predalle 20.
  • the predalle 20 comprises a body 21 of concrete.
  • the body 21 of the predalle 20 is here prestressed concrete and comprises prestressing cables 22 oriented longitudinally and parallel to each other along the X axis.
  • the edge 1 is installed in a manufacturing mold 30 of the body 21 of the predalle 20 being positioned along one of the longitudinal sides of this mold 30.
  • the edge 1 is positioned in the manufacturing mold 30 so that its main face including the magnet comes into contact with said longitudinal bank of the mold 30.
  • the feet 12 then rest on a bottom of the manufacturing mold 30.
  • the feet 12 allow an operator to position the border 1 easily and quickly in the manufacturing mold 30 by serving as a registration point.
  • each tongue 14 is positioned in the manufacturing mold 30 so as to extend just beneath the prestressing cables 22 arranged in the manufacturing mold 30 to be secured to the body 21 of the predalle 20.
  • the tongues 14 thus play. also the role of locator point for the operator.
  • the magnet 17 also makes it possible to correctly position the edge 1 in the manufacturing mold 30 by pressing it against the associated edge.
  • the edge 1 is easy to handle.
  • the edge can thus be very easily arranged in the mold of manufacture of the predalle, by its weight, flexibility and flexibility.
  • the concrete is then poured into the manufacturing mold 30 to form the body 21 of the predalle 20.
  • the antifouling nozzles 11 make it possible to protect the clipping notches 10 during the casting of the body 21 of the pre-slab 20 and in particular of the concrete that could accidentally be thrown towards said clipping notches 10. This prevents concrete from congealing in the notches clipping 10 which would be detrimental to subsequent nesting of construction accessories on said border.
  • the recesses 9 make it possible to ensure a balancing of the pressures experienced by the edge 1 during the pouring of the concrete.
  • the recesses 9 are of course arranged so as to be arranged at a height of the structure 2 greater than the height of the body 21 of the predalle 20 so that concrete can not penetrate through the recesses 9 between the manufacturing mold 30 and the border 1.
  • the magnet 17 allows both to position the edge 1 in the manufacturing mold 30, as has already been said, but also to maintain the edge 1 in position, even during the pouring of the concrete, in the plating against the associated shore.
  • the magnet 17 can well press the edge 1 against the shore by adhering to the manufacturing mold 30. This prevents the infiltration of concrete between the edge 1 and the manufacturing mold 30 at the upper portion of the edge 1 during casting of the body 21 which could interfere with a subsequent nesting of construction accessories on said edge 1 such as retaining elements.
  • the magnet 17 Due to its elongated shape, the magnet 17 also makes it possible to cover the entire length of the structure 2 and thus to fully press the entire edge 1 against the manufacturing mold 30.
  • the edge 1 is shaped so as to fit the shape of the manufacturing mold 30 so that its plating by the magnet 17 is possible.
  • the legs 12 are thus inclined relative to the rest of the structure 2 to be able to match the inclination of said chamfer.
  • the edge 1 is then found rigidly secured to the body 21 of pre-slab 20 so as to form with it an all-rigid.
  • the predalle 20 can then be removed from the manufacturing mold 30.
  • edge 1 is easily and quickly joined to the body 21 of the pre-plate 20 by overmoulding during the manufacture of said body 21.
  • the edge 1 is rigidly secured to the body 21 being anchored therein.
  • the lower portion of the edge corresponding to that of the structure and extending from the feet 12 to substantially the level of the recesses 9 without reaching it, is embedded in the concrete of the body 21 of the pre-slab 20.
  • the edge 1 is thus arranged so that the cells extend towards the inside of the predalle 20. Part of the cells are therefore partially embedded in the concrete of the body 21 of the pre-slab 20.
  • the smooth main face of the edge 1 forms the free surface of the predalle 20.
  • a retaining element 40 or several retaining elements can then be fitted on said upper portion so that the retaining elements 40 and the edge 1 together constitute a formwork portion of a compression slab intended to be cast on the predalle 20.
  • the invention thus makes it possible to simplify the implementation of the formwork of the compression slab.
  • the invention makes it possible, for example, to cast a compression slab on a set of slabs that are not bordered by walls or partitions all around its periphery at the time of pouring.
  • the border may be associated with any other element of construction such as for example a beam, a beam, a premur, a slab ...
  • edge is able to receive other construction accessories that retaining elements such as blocks of thermally insulating material, safety devices ...
  • the building element may have a greater number of edges to form one of its edges, particularly although not exclusively longitudinal.
  • the successive borders may either be nested to each other at their ends, or be contiguous without being nested or separated by space.
  • the borders may be cut to a desired length to form the edge of the construction element so that the cut end has no latching means unlike the initial formed end, one of the cells is not complete after cutting ...
  • the border may be different from what has been described.
  • the second row of cells may thus comprise only cells contiguous to each other.
  • the first row of cells and the second row of cells will then have the same number of cells.
  • the tabs will then extend under one of the cells of the second row, a cell not associated with an anchor foot.
  • the border may not include feet, tongue ...
  • the cells, feet, tabs, antifouling nozzles, clipping notches may not all be identical.
  • the border may have a different number of rows of cells.
  • the cells will not necessarily be organized in a row.
  • the rim may thus comprise another structure than a honeycomb structure such as for example a simple longitudinal wall, a longitudinal main face of which comprises a magnet for fixing the rim to the manufacturing mold.
  • the border may be in a material other than a plastic material (whether or not it has a honeycomb structure) such as metal.
  • the magnet can then ensure alone positioning and maintaining the position of the edge in the manufacturing mold.
  • the magnet may be attached to the edge differently than by overmoulding, for example by means of adhesive or by fasteners of the screw type or otherwise.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)

Abstract

L'invention concerne une bordure (1) rectiligne d'élément de construction s'étendant selon une droite (X) et présentant deux faces principales s'étendant le long dudit axe. Selon l'invention, la bordure comportant un aimant (17) destiné à plaquer la bordure contre une paroi d'un moule de fabrication d'un élément de construction associé à la bordure, l'aimant étant agencé sur l'une des faces principales de la bordure de sorte à saillir de ladite face. L'invention concerne également un élément de construction comportant une telle bordure ainsi qu'un procédé de fabrication d'un tel élément de construction.The invention relates to a rectilinear edge (1) of construction element extending along a line (X) and having two main faces extending along said axis. According to the invention, the edge including a magnet (17) for pressing the edge against a wall of a mold for manufacturing a construction element associated with the edge, the magnet being arranged on one of the main faces the edge so as to project from said face. The invention also relates to a construction element comprising such a border and a method of manufacturing such a construction element.

Description

L'invention concerne une bordure rectiligne d'élément de construction pour la réception d'au moins un accessoire de construction. L'invention concerne notamment, bien que non exclusivement une bordure rectiligne d'une prédalle pour notamment la réception d'au moins un élément de retenue de sorte que l'élément de retenue et la bordure rectiligne forment ensemble une portion de coffrage pour le coulage d'une dalle de compression sur la prédalle, la prédalle et la dalle de compression formant alors conjointement un plancher.The invention relates to a straight edge construction element for receiving at least one construction accessory. The invention particularly relates, although not exclusively a rectilinear edge of a predalle for including the reception of at least one retaining element so that the retaining element and the rectilinear edge together form a formwork portion for casting a compression slab on the predalle, the predalle and the compression slab together forming a floor.

L'invention concerne également un élément de construction comportant une telle bordure. L'invention concerne notamment, bien que non exclusivement, une prédalle comportant une telle bordure. L'invention concerne plus particulièrement, bien que non exclusivement, une prédalle en béton comportant une telle bordure et préfabriquée sur un site de production pour être transportée sur un chantier de construction d'un bâtiment afin d'y être installée.The invention also relates to a construction element comprising such a border. The invention relates in particular, although not exclusively, a pre-slab having such a border. The invention relates more particularly, although not exclusively, a concrete slab including such a border and prefabricated on a production site to be transported to a construction site of a building to be installed.

L'invention concerne également un procédé de fabrication d'un tel élément de construction.The invention also relates to a method of manufacturing such a construction element.

ARRIERE PLAN DE L'INVENTIONBACKGROUND OF THE INVENTION

La mise en oeuvre de prédalles pour bâtir les planchers d'un bâtiment permet de gagner un temps considérable sur la construction de ce bâtiment. Typiquement, une prédalle est fabriquée sur un site de production de manière à être suffisamment légère pour être transportable jusqu'à un chantier de construction d'un bâtiment, et suffisamment résistante pour supporter le poids de la dalle de compression coulée ensuite sur elle sur le chantier.The use of slabs to build the floors of a building saves considerable time on the construction of this building. Typically, a slab is manufactured on a production site so as to be light enough to be transportable to a construction site of a building, and sufficiently strong to support the weight of the compression slab then poured onto it. construction site.

Sur un chantier de construction d'un bâtiment, la réalisation d'un plancher en utilisant de telles prédalles consiste dans un premier temps à installer un ensemble de prédalles en appui sur des murs de refend ou des poutres du bâtiment, de manière à couvrir toute la surface du plancher à réaliser. Puis, une fois que ces prédalles sont installées, des opérateurs placent sur la face supérieure qu'elles délimitent, un ensemble de ferraillages pour former les armatures de la dalle de compression à couler.On a construction site of a building, the realization of a floor using such pre-slabs consists first of all in installing a set of slabs resting on the walls of slits or beams of the building, so as to cover the entire floor surface to achieve. Then, once these predalles are installed, operators place on the upper face they delimit, a set of reinforcement to form the reinforcements of the compression slab to flow.

Le coffrage de la dalle de compression à couler a ainsi un fond constitué par la face supérieure des prédalles, et un rebord périphérique qui est formé en partie par les murs entourant le plancher à construire, et en partie par des éléments additionnels en bois ou autre que les opérateurs ajoutent le long des bords libres.The formwork of the compression slab to be poured thus has a bottom formed by the upper face of the slabs, and a peripheral rim which is formed in part by the walls surrounding the floor to be built, and partly by additional elements of wood or other that the operators add along the free edges.

Le coulage du béton de la dalle de compression est ainsi réalisé directement sur les prédalles.The concrete pouring of the compression slab is thus carried out directly on the slabs.

Or la mise en place de ces éléments additionnels de coffrage des bords libres peut s'avérer fastidieux. En outre, si les éléments additionnels sont mal placés, le coulage du béton peut provoquer leur déplacement voire leur écroulement de sorte que le béton puisse alors s'écouler hors du coffrage.However, the introduction of these additional formwork elements free edges can be tedious. In addition, if the additional elements are misplaced, pouring the concrete can cause their displacement or collapse so that the concrete can then flow out of the formwork.

Pour pallier cet inconvénient, il a été proposé d'ancrer dans la prédalle une bordure afin que des éléments de retenue puissent être ensuite solidarisés par simple emboîtement à la bordure de sorte à former avec la bordure un coffrage de la dalle de compression. De la sorte, le rebord périphérique du coffrage de la dalle de compression peut être très rapidement mis en oeuvre dans les régions correspondant à un bord libre du plancher à fabriquer: il n'est plus nécessaire aux opérateurs de confectionner un rebord de coffrage avec des éléments en bois ou autre, il leur suffit d'emboîter dans la bordure des éléments de retenue. Une telle bordure est par exemple décrite dans le brevet FR 2 995 330 de la présente demanderesse.To overcome this drawback, it has been proposed to anchor in the predalle a border so that the retaining elements can then be secured by simple interlocking to the edge so as to form with the edge a formwork of the compression slab. In this way, the peripheral edge of the formwork of the compression slab can be very quickly implemented in the regions corresponding to a free edge of the floor to be manufactured: it is no longer necessary for operators to make a formwork rim with elements in wood or other, they just need to fit into the edge of the retaining elements. Such a border is for example described in the patent FR 2,995,330 of the present applicant.

Toutefois, lors de la solidarisation de la bordure au corps de la prédalle par ancrage de la bordure audit corps, du béton peut venir couler entre le moule de fabrication de la prédalle et la bordure au niveau notamment des zones d'emboitement des éléments de retenue à la bordure. Du béton se retrouve ainsi figé sur la bordure ce qui peut alors gêner voir empêcher l'emboîtement des éléments de retenue à la bordure. Il n'est alors pas possible de réaliser un coffrage correct pour la dalle de compression.However, when joining the border in the body of the predalle by anchoring the edge to said body, concrete may flow between the pre-slab manufacturing mold and the edge at the level of interlocking areas of the retaining elements at the edge. Concrete is thus frozen on the edge which can then interfere with preventing the interlocking of the retaining elements at the edge. It is then not possible to achieve a correct formwork for the compression slab.

OBJET DE L'INVENTIONOBJECT OF THE INVENTION

Le but de l'invention est de proposer une bordure rectiligne d'élément de construction qui puisse être solidarisée audit élément de construction sans être recouverte de béton gênant le futur emboîtement d'accessoires de construction sur la bordure, ainsi qu'un élément de construction comportant une telle bordure et un procédé de fabrication d'un tel élément de construction.The object of the invention is to propose a rectilinear edge of a construction element that can be secured to said building element without being covered with concrete hindering the future interlocking of construction accessories on the edge, as well as a construction element. having such a border and a method of manufacturing such a construction element.

RESUME DE L'INVENTIONSUMMARY OF THE INVENTION

A cet effet, l'invention a pour objet une bordure rectiligne d'un élément de construction s'étendant selon une droite et présentant deux faces principales s'étendant le long dudit axe.For this purpose, the object of the invention is a rectilinear edge of a construction element extending along a straight line and having two main faces extending along said axis.

Selon l'invention, la bordure comporte un aimant destiné à plaquer la bordure contre une paroi d'un moule de fabrication d'un élément de construction associé à la bordure, l'aimant étant agencé sur l'une des faces principales de la bordure de sorte à saillir de ladite face.According to the invention, the border comprises a magnet for pressing the edge against a wall of a mold for manufacturing a construction element associated with the edge, the magnet being arranged on one of the main faces of the edge so as to protrude from said face.

Avec cette solution, lorsque la bordure est positionnée dans le moule de fabrication de l'élément de construction pour être solidarisée au corps en béton dudit élément de construction, l'aimant permet à la bordure d'être correctement positionnée dans le moule en étant bien plaquée contre la paroi du moule. En outre, l'aimant permet d'assurer un maintien en position de la bordure plaquée contre la paroi du moule même lors du coulage du béton.With this solution, when the edge is positioned in the manufacturing mold of the building element to be secured to the concrete body of said building element, the magnet allows the edge to be properly positioned in the mold being well. pressed against the wall of the mold. In addition, the magnet makes it possible to maintain the plated rim in position against the wall of the mold even when pouring the mold. concrete.

Dès lors, on limite le risque que du béton ne vienne s'insérer entre la paroi du moule et la bordure lors du coulage du corps en béton de l'élément de construction, béton qui pourrait recouvrir ainsi accidentellement la bordure notamment au niveau de zones d'emboitement des accessoires de construction à la bordure.Therefore, the risk is limited that concrete does not fit between the wall of the mold and the edge during the pouring of the concrete body of the building element, concrete that could accidentally cover the edge, especially at the level of zones. nesting construction accessories at the curb.

Par ailleurs, l'aimant facilite la solidarisation de la bordure à l'élément de construction correspondant puisque l'aimant sert à la fois de moyens de positionnement de la bordure dans le moule de fabrication et à la fois de moyens de maintien en position de la bordure dans ledit moule de fabrication.Furthermore, the magnet facilitates the joining of the edge to the corresponding construction element since the magnet serves both as a means of positioning the edge in the manufacturing mold and both of means for holding the position in position. the border in said manufacturing mold.

De façon particulière, la bordure comprend une structure alvéolée en matière plastique qui comprend des cellules en relief s'étendant vers l'extérieur de la bordure, à partir de la face principale de la bordure opposée à celle portant l'aimant, pour être destinées à être en regard d'un corps en béton de l'élément de construction, la structure comportant au moins une rangée de cellules en relief qui sont agencées côte à côte le long de la droite et qui s'étendent à partir de la structure vers l'extérieur de la bordure pour être destinée à être en regard d'un corps en béton de l'élément de construction.In particular, the rim includes a cellular honeycomb structure that includes raised cells extending outwardly from the rim from the major face of the rim opposite to the one carrying the magnet, to be to be facing a concrete body of the building element, the structure comprising at least one row of raised cells which are arranged side by side along the line and which extend from the structure towards the the outside of the border to be intended to be opposite a concrete body of the building element.

De façon particulière, la structure comporte au moins un évidemment la traversant, l'évidemment étant agencé à une hauteur de la structure supérieure à la hauteur de l'élément de construction à laquelle la bordure est destinée à être fixée.In a particular way, the structure comprises at least one obviously crossing it, obviously being arranged at a height of the upper structure at the height of the construction element to which the border is intended to be fixed.

De façon particulière, la structure comporte au moins un pied d'ancrage s'étendant d'une portion inférieure de la structure vers l'extérieur de la bordure.In particular, the structure comprises at least one anchor foot extending from a lower portion of the structure to the outside of the edge.

L'invention concerne également un élément de construction, l'élément de construction comportant un corps en béton et au moins une bordure telle que précédemment décrite qui est ancrée dans le corps en béton pour former au moins une partie d'un bord de l'élément de construction.The invention also relates to a construction element, the construction element comprising a concrete body and at least one edge as previously described which is anchored in the concrete body to form at least a portion of an edge of the building element.

Dès lors, des accessoires de construction (élément de retenue, bloc d'isolation thermique, organe de sécurité ...) peuvent être solidarisés par simple emboîtement à la bordure.Therefore, construction accessories (retaining element, heat insulation block, safety member ...) can be secured by simple interlocking at the edge.

L'invention concerne également un procédé de fabrication d'un élément de construction comportant un corps en béton et au moins une bordure telle que précédemment décrite qui est ancrée dans le corps en béton pour former au moins une partie d'un bord de l'élément de construction, le procédé comportant les étapes de:

  • installer la bordure dans un moule de fabrication du corps en béton de l'élément de construction de sorte que la bordure soit positionnée le long d'une des rives dudit moule, la face principale de la bordure portant l'aimant étant en regard de ladite rive de façon que l'aimant adhère à ladite rive pour y plaquer la bordure,
  • couler le béton dans le moule de fabrication et laisser prendre le béton de sorte à rigidement solidariser la bordure au corps en béton pour former l'élément de construction.
The invention also relates to a method of manufacturing a construction element comprising a concrete body and at least one edge as described above which is anchored in the concrete body to form at least part of an edge of the concrete. construction element, the method comprising the steps of:
  • installing the edge in a mold for manufacturing the concrete body of the construction element so that the edge is positioned along one of the banks of said mold, the main face of the border carrying the magnet being opposite said shore so that the magnet adheres to said bank to press the edge,
  • pour the concrete into the manufacturing mold and let the concrete take hold so as to rigidly secure the edge to the concrete body to form the construction element.

Il s'avère donc simple de fabriquer l'élément de construction notamment grâce à l'aimant. En effet, l'aimant facilite la solidarisation de la bordure à l'élément de construction correspondant puisque l'aimant sert à la fois de moyens de positionnement de la bordure dans le moule de fabrication et à la fois de moyens de maintien en position de la bordure dans ledit moule de fabrication.It is therefore simple to manufacture the building element in particular thanks to the magnet. Indeed, the magnet facilitates the joining of the edge to the corresponding construction element since the magnet serves both as a means for positioning the edge in the manufacturing mold and both of the holding means in the position of the border in said manufacturing mold.

Pour toute la présente demande, les termes « inférieur », « supérieur », « hauteur », « longueur » ... doivent être entendus par rapport à la position en service de la bordure soit la position de la bordure une fois posée dans un moule de fabrication de l'élément de construction ou une fois fixée à l'élément de construction.For all the present application, the terms "lower", "superior", "height", "length" ... must be understood in relation to the position in service the border is the position of the border when placed in a mold for the construction element or once attached to the construction element.

BREVE DESCRIPTION DES FIGURESBRIEF DESCRIPTION OF THE FIGURES

L'invention sera mieux comprise à la lumière de la description qui suit de modes de réalisation particuliers, non limitatifs, de l'invention. Il sera fait référence aux figures ci-jointes, parmi lesquelles :

  • la figure 1 est une vue en perspective de la bordure selon un premier mode de réalisation de l'invention,
  • la figure 2 est une vue avant de la bordure illustrée à la figure 1,
  • la figure 3 est une vue arrière de la bordure illustrée à la figure 1,
  • la figure 4 est une vue en perspective de la bordure illustrée à la figure 1 lorsqu'elle est en position dans le moule de fabrication de l'élément de construction associé,
  • la figure 5 est une vue en perspective d'un élément de construction, de la bordure illustrée à la figure 1 incorporée audit élément de construction ainsi que d'un accessoire de construction destiné à être emboîté à la bordure selon un mouvement correspondant à la flèche illustrée,
  • la figure 6 est une vue en perspective de la bordure selon un deuxième mode de réalisation de l'invention.
The invention will be better understood in the light of the following description of particular, non-limiting embodiments of the invention. Reference will be made to the attached figures, among which:
  • the figure 1 is a perspective view of the border according to a first embodiment of the invention,
  • the figure 2 is a front view of the border shown in the figure 1 ,
  • the figure 3 is a rear view of the border shown in the figure 1 ,
  • the figure 4 is a perspective view of the border shown in the figure 1 when in position in the manufacturing mold of the associated building element,
  • the figure 5 is a perspective view of a building element, from the border shown in figure 1 incorporated in said construction element as well as a construction accessory intended to be fitted at the edge in a movement corresponding to the illustrated arrow,
  • the figure 6 is a perspective view of the border according to a second embodiment of the invention.

DESCRIPTION DETAILLEE DE L'INVENTIONDETAILED DESCRIPTION OF THE INVENTION

En référence aux figures 1 à 3, la bordure d'élément de construction selon le premier mode de réalisation de l'invention, généralement désignée en 1, est rectiligne et s'étend selon une droite X.With reference to Figures 1 to 3 , the building element edge according to the first embodiment of the invention, generally designated 1, is rectilinear and extends along a line X.

De préférence, la bordure 1 comporte une structure 2 alvéolée en matière plastique qui comprend des cellules en relief s'étendant à partir de la structure 2 vers l'extérieur de la bordure 1. Les différentes cellules 2 sont ici ouvertes vers l'extérieur de la bordure 1.Preferably, the border 1 comprises a structure 2 plastic dimple which comprises raised cells extending from the structure 2 to the outside of the border 1. The different cells 2 are here open towards the outside of the border 1.

De par sa structure alvéolée en matière plastique, la bordure 1 s'avère non seulement flexible et souple mais également légère. Ceci facilite la manipulation de la bordure 1. En outre, il s'avère possible d'avoir une bordure 1 de grandes dimensions et notamment d'une grande longueur.Due to its honeycombed plastic structure, the edge 1 is not only flexible and flexible but also light. This facilitates the manipulation of the border 1. In addition, it is possible to have a border 1 of large dimensions and in particular of great length.

En outre, toujours de par la structure 2 alvéolée en matière plastique, il s'avère possible de découper facilement la bordure 1 pour en modifier la longueur selon les besoins de production. Ce découpage peut par exemple se faire sur le lieu de production de l'élément de construction.In addition, still with the plastic honeycomb structure 2, it is possible to easily cut the edge 1 to change the length according to production needs. This cutting can for example be done at the place of production of the building element.

La structure 2 est par exemple en polypropylène.The structure 2 is for example polypropylene.

De façon particulière, la structure 2 comporte une première rangée 3 de cellules agencées côte à côte le long de la droite X (une des cellules de la première rangée 3 étant symbolisée en pointillés et désignée par 4). Toutes les cellules de la première rangée 3 sont ici accolées. La structure 2 comporte une deuxième rangée 5 de cellules agencées côte à côte le long de la droite X et accolées deux à deux (une des cellules de la deuxième rangée 5 étant symbolisée en points-tirets et désignée par 6), chaque bloc de deux cellules accolées (un des blocs étant symbolisé en tirets et désigné par 7) étant séparé par un espace 8 du bloc suivant de deux cellules accolées. Grâce aux différents espaces 8, la structure 2 s'avère particulièrement flexible.In particular, the structure 2 comprises a first row 3 of cells arranged side by side along the line X (one of the cells of the first row 3 is symbolized in dashed lines and designated by 4). All the cells of the first row 3 are here contiguous. The structure 2 comprises a second row 5 of cells arranged side by side along the line X and joined two by two (one of the cells of the second row 5 being symbolized in dot-dashes and denoted by 6), each block of two contiguous cells (one of the blocks being symbolized in dashes and designated by 7) being separated by a space 8 of the next block of two contiguous cells. Thanks to the different spaces 8, the structure 2 is particularly flexible.

La deuxième rangée 5 de cellules s'étend sous la première rangée 3 de cellules de sorte qu'une cellule de la deuxième rangée 5 se trouve dans le prolongement d'une cellule respective de la première rangée 3. La deuxième rangée 5 de cellules s'étend donc parallèlement à la première rangée 3 de cellules.The second row of cells extends under the first row 3 of cells so that a cell of the second row 5 is in the extension of a respective cell of the first row 3. The second row of cells therefore extends parallel to the first row 3 of cells.

Ici, les cellules de la première rangée 3 sont toutes identiques entre elles et les cellules de la deuxième rangée 5 sont toutes identiques entre elles. De façon particulière, les cellules de la première rangée 3 et les cellules de la deuxième rangée 5 ont une même longueur (dimension prise le long de la droite X) et sensiblement une même largeur (dimension prise le long d'une droite Y perpendiculaire à la droite X et correspondant au relief des cellules). Les cellules de la deuxième rangée 5 ont ici une hauteur supérieure aux cellules de la première rangée 3 (dimension prise le long d'une droite Z perpendiculaire à la droite X et à la droite Y).Here, the cells of the first row 3 are all identical to each other and the cells of the second row 5 are all identical to each other. In particular, the cells of the first row 3 and the cells of the second row 5 have the same length (dimension taken along the line X) and substantially the same width (dimension taken along a straight line Y perpendicular to the line X and corresponding to the relief of the cells). The cells of the second row 5 here have a height greater than the cells of the first row 3 (dimension taken along a straight line Z perpendicular to the line X and the line Y).

De la sorte, toutes les cellules de la structure 2 s'étendent à partir d'une même face principale de la structure 2 (correspondant ici à la face principale de la bordure 1). L'autre face principale de la structure 2 (correspondant ici à l'autre face principale de la bordure 1) s'avère alors exempte de cellules et est donc sensiblement lisse.In this way, all the cells of the structure 2 extend from the same main face of the structure 2 (corresponding here to the main face of the border 1). The other main face of the structure 2 (here corresponding to the other main face of the edge 1) then turns out to be free of cells and is therefore substantially smooth.

La structure 2 comporte par exemple 29 cellules pour la première rangée 3 et 20 cellules pour la deuxième rangée 5.The structure 2 comprises for example 29 cells for the first row 3 and 20 cells for the second row 5.

De préférence, la structure 2 comporte des évidements 9 (dont certains seulement sont référencés) traversant la structure 2 dans sa largeur. Plus précisément ici un évidement 9 traverse la structure 2 au niveau de chacune des cellules de la deuxième rangée 5 et au niveau de chaque espace 8 séparant les blocs de deux cellules accolées. Les évidements 9 sont agencés en partie haute des cellules de la deuxième rangée 5 et des espaces 8 associés, sensiblement au niveau de la frontière entre la première rangée 3 de cellules et la deuxième rangée 5 de cellule.Preferably, the structure 2 comprises recesses 9 (some of which are only referenced) passing through the structure 2 in its width. More specifically here a recess 9 passes through the structure 2 at each of the cells of the second row 5 and at each space 8 separating the blocks of two contiguous cells. The recesses 9 are arranged in the upper part of the cells of the second row 5 and associated spaces 8, substantially at the level of the boundary between the first row 3 of cells and the second row 5 of cell.

La portion supérieure de la structure 2 comporte des encoches de clipage 10 (dont une partie seulement est référencée) régulièrement réparties sur la longueur de la structure 2 pour l'emboîtement d'accessoires de construction sur la bordure 1 comme nous le verrons par la suite. Les encoches de clipage 10 sont identiques. Les encoches de clipage 10 sont ici ménagées à la frontière entre la première rangée 3 de cellules et la deuxième rangée 5 de cellule par une inflexion dans les parois des cellules. A chaque frontière se trouve ici une encoche de clipage 10.The upper portion of the structure 2 has clipping notches 10 (only a part of which is referenced) regularly distributed over the length of the structure 2 for the nesting of construction accessories on the edge 1 as we will see later. . The clipping notches 10 are identical. The clipping notches 10 are here formed at the boundary between the first row 3 of cells and the second row 5 of cell by an inflection in the walls of the cells. At each border there is a clipping notch 10.

De façon particulière, chaque encoche de clipage 10 est surmontée d'un bec antisalissure 11 (dont certains seulement sont référencés). Les becs antisalissure 11 sont tous identiques. Les becs antisalissure 11 sont ici ménagés dans les parois de la première rangée 3 de cellules de sorte à former une protubérance venant au-dessus des encoches de clipage 10. Les becs antisalissure 11 sont en outre configurés de sorte à être inclinés en direction de la portion basse de la structure 2.In particular, each clipping notch 10 is surmounted by an anti-fouling nose 11 (some of which are referenced). The anti-fouling nozzles 11 are all identical. The antifouling nozzles 11 are here formed in the walls of the first row 3 of cells so as to form a protrusion coming above the clipping notches 10. The antifouling nozzles 11 are furthermore configured so as to be inclined towards the low portion of the structure 2.

La portion inférieure comporte ici des pieds 12 d'ancrage. Les pieds 12 sont régulièrement répartis sur la longueur de la structure 2. Les pieds 12 sont identiques. Chaque pied 12 s'étend ici d'une portion inférieure de la structure 2 vers l'extérieur de la bordure 1. Chaque pied 12 s'étend dans le prolongement de l'une des parois communes à deux cellules accolées de la deuxième rangée 5 (soit une paroi de normale la droite X). La structure 2 comporte ici un pied 12 au niveau de chaque bloc de deux cellules accolées. La structure 2 comporte par exemple dix pieds 12.The lower portion here has feet 12 anchoring. The feet 12 are regularly distributed over the length of the structure 2. The feet 12 are identical. Each foot 12 extends here from a lower portion of the structure 2 towards the outside of the edge 1. Each foot 12 extends in the extension of one of the walls common to two contiguous cells of the second row 5 (ie a wall of normal the line X). The structure 2 here comprises a foot 12 at each block of two contiguous cells. The structure 2 comprises for example ten feet 12.

De façon particulière, la structure 2 comporte deux ailes 13 associées à chaque pied 12. Chaque aile 13 s'étend transversalement au pied 12 associé entre une partie basse du pied 12 à la deuxième rangée 5 de cellule. Plus précisément, chaque aile 13 s'étend de la partie basse du pied 12 jusqu'à la paroi extérieure du bloc de deux cellules accolées correspondant audit pied 12, paroi extérieure parallèle à la paroi commune aux deux cellules accolées dudit bloc.In particular, the structure 2 comprises two wings 13 associated with each leg 12. Each wing 13 extends transversely to the foot 12 associated between a lower part of the foot 12 to the second row 5 of the cell. More specifically, each wing 13 extends from the lower part of the foot 12 to the outer wall of the block of two contiguous cells corresponding to said foot 12, outer wall parallel to the wall common to the two contiguous cells of said block.

Ici, la portion inférieure de la structure 2 comporte au moins une languette 14 de positionnement de la bordure 1. Plus précisément, chaque languette 14 de positionnement est agencée de sorte à s'étendre à la normale de la structure 2 vers l'extérieur de la bordure 1 dans le prolongement des cellules, dans le sens de la largeur de la structure 2 (soit donc ici de sorte à s'étendre selon la droite Z).Here, the lower portion of the structure 2 comprises at least one tab 14 for positioning the border 1. More precisely, each positioning tab 14 is arranged so as to extend to the normal of the structure 2 towards the outside of the structure. the border 1 in the extension of the cells, in the direction of the width of the structure 2 (so here so to extend along the line Z).

La structure 2 comporte ici plusieurs languettes 14. Par exemple, la structure 2 comporte deux languettes 14.The structure 2 here comprises several tabs 14. For example, the structure 2 comprises two tabs 14.

Les languettes 14 sont identiques, s'étendent à partir du même niveau de la portion inférieure et sont réparties sur la longueur de la structure 2. Chaque languette 14 s'étend ici à partir de la portion inférieure de l'un des espaces 8 séparant deux blocs de cellules accolées.The tabs 14 are identical, extend from the same level of the lower portion and are distributed along the length of the structure 2. Each tab 14 extends here from the lower portion of one of the spaces 8 separating two blocks of contiguous cells.

Les deux extrémités longitudinales (selon l'axe X) de la structure comportent respectivement des moyens d'encliquetage mâle 15 et des moyens d'encliquetage femelle 16 par exemple de type tenon/mortaise. De la sorte, il s'avère possible d'emboîter très simplement les uns à la suite des autres plusieurs bordures 1 en encliquetant les moyens d'encliquetage femelle 16 avec les moyens d'encliquetage mâle 15 de deux bordures 1 consécutives.The two longitudinal ends (along the X axis) of the structure respectively comprise male detent means 15 and female detent means 16, for example of the tenon / mortise type. In this way, it proves possible to fit one after another several edges 1 very easily by snapping the female latching means 16 with the male latching means 15 of two consecutive edges 1.

Selon l'invention, la bordure 1 comporte un aimant 17. L'aiment 17 est ici agencé sur la face principale de la structure 1 opposée de celle à partir de laquelle s'étendent les cellules. L'aimant 17 est agencé de sorte à saillir du reste de ladite face principale. Plus précisément ici, l'aimant 17 est agencé en-dessous des différents évidements 9 de la structure 2.According to the invention, the edge 1 comprises a magnet 17. The lover 17 is here arranged on the main face of the structure 1 opposite to that from which the cells extend. The magnet 17 is arranged to protrude from the rest of said main face. More precisely here, the magnet 17 is arranged below the different recesses 9 of the structure 2.

De préférence, l'aimant 17 se présente sous la forme d'une bande. L'aimant 17 est agencé de sorte à s'étendre selon la droite X. L'aimant 17 permet ainsi de bien couvrir toute la longueur de la structure 2.Preferably, the magnet 17 is in the form of a band. The magnet 17 is arranged so as to extend along the line X. The magnet 17 thus makes it possible to cover the entire length of the structure 2.

La bordure 1 qui vient d'être décrite est de façon préférée fabriquée par injection. La bordure 1 s'avère donc simple et rapide à fabriquer.The border 1 which has just been described is preferably manufactured by injection. The border 1 is therefore simple and quick to manufacture.

De façon particulière, la bordure 1 est fabriquée en deux étapes:

  • au cours d'une première étape, l'aimant 17 est rapporté dans un moule d'injection de la structure 2,
  • au cours de la deuxième étape, la structure 2 est formée et l'aimant 17 est simultanément surmoulé sur la structure 2 de sorte que l'aimant 17 et la structure 2 forment un tout-rigide.
In a particular way, the border 1 is manufactured in two stages:
  • during a first step, the magnet 17 is attached to an injection mold of the structure 2,
  • during the second step, the structure 2 is formed and the magnet 17 is simultaneously overmolded on the structure 2 so that the magnet 17 and the structure 2 form an all-rigid.

En référence à la figure 5, la bordure 1 qui vient d'être décrite est ici destinée à former une portion ou la totalité (selon sa longueur) de l'un des bords longitudinaux d'une prédalle 20, c'est-à-dire que la bordure 1 est alignée de sorte que l'axe X soit parallèle au bord longitudinal associé de la prédalle 20. La prédalle 20 comporte un corps 21 en béton. Le corps 21 de la prédalle 20 est ici en béton précontraint et comprend des câbles de précontrainte 22 orientés longitudinalement et parallèlement les uns aux autres selon l'axe X.With reference to the figure 5 , the border 1 which has just been described here is intended to form a portion or all (along its length) of one of the longitudinal edges of a predalle 20, that is to say that the border 1 is aligned so that the X axis is parallel to the associated longitudinal edge of the predalle 20. The predalle 20 comprises a body 21 of concrete. The body 21 of the predalle 20 is here prestressed concrete and comprises prestressing cables 22 oriented longitudinally and parallel to each other along the X axis.

En référence à la figure 4, et selon un mode de réalisation particulier pour fixer la bordure 1 à la prédalle 20, la bordure 1 est installée dans un moule de fabrication 30 du corps 21 de la prédalle 20 en étant positionnée le long de l'une des rives longitudinales de ce moule 30. La bordure 1 est positionnée dans le moule de fabrication 30 de sorte que sa face principale comportant l'aimant vienne au contact de ladite rive longitudinale du moule 30.With reference to the figure 4 and according to a particular embodiment for fixing the edge 1 to the predalle 20, the edge 1 is installed in a manufacturing mold 30 of the body 21 of the predalle 20 being positioned along one of the longitudinal sides of this mold 30. The edge 1 is positioned in the manufacturing mold 30 so that its main face including the magnet comes into contact with said longitudinal bank of the mold 30.

Les pieds 12 viennent alors reposer sur un fond du moule de fabrication 30. Les pieds 12 permettent à un opérateur de positionner correctement de façon aisée et rapide la bordure 1 dans le moule de fabrication 30 en servant de point de repérage.The feet 12 then rest on a bottom of the manufacturing mold 30. The feet 12 allow an operator to position the border 1 easily and quickly in the manufacturing mold 30 by serving as a registration point.

De même, chaque languette 14 est positionnée dans le moule de fabrication 30 de sorte à s'étendre juste sous les câbles de précontrainte 22 agencés dans le moule de fabrication 30 pour être solidarisés au corps 21 de la prédalle 20. Les languettes 14 jouent ainsi également le rôle de point de repérage pour l'opérateur.Similarly, each tongue 14 is positioned in the manufacturing mold 30 so as to extend just beneath the prestressing cables 22 arranged in the manufacturing mold 30 to be secured to the body 21 of the predalle 20. The tongues 14 thus play. also the role of locator point for the operator.

Par ailleurs, l'aimant 17 permet également de correctement positionner la bordure 1 dans le moule de fabrication 30 en la plaquant contre la rive associée.Furthermore, the magnet 17 also makes it possible to correctly position the edge 1 in the manufacturing mold 30 by pressing it against the associated edge.

Il s'avère donc très simple de positionner la bordure 1 dans le moule de fabrication 30 et de vérifier le bon positionnement de celle-ci en repérant simplement si les câbles de précontrainte 22 sont bien au-dessus des languettes 14 et si les pieds 12 reposent bien sur le fond du moule de fabrication 30 et en plaquant la bordure 1 contre l'une des parois longitudinales du moule.It is therefore very simple to position the edge 1 in the manufacturing mold 30 and to verify the correct positioning thereof by simply identifying if the prestressing cables 22 are well above the tabs 14 and if the feet 12 lie well on the bottom of the manufacturing mold 30 and by plating the edge 1 against one of the longitudinal walls of the mold.

Par ailleurs, de par sa structure alvéolaire, la bordure 1 s'avère simple à manipuler. La bordure peut ainsi être très aisément disposée dans le moule de fabrication de la prédalle, de par son poids, sa souplesse et sa flexibilité.Moreover, because of its honeycomb structure, the edge 1 is easy to handle. The edge can thus be very easily arranged in the mold of manufacture of the predalle, by its weight, flexibility and flexibility.

Le béton est ensuite coulé dans le moule de fabrication 30 pour former le corps 21 de la prédalle 20.The concrete is then poured into the manufacturing mold 30 to form the body 21 of the predalle 20.

Les becs antisalissure 11 permettent de protéger les encoches de clipage 10 lors du coulage du corps 21 de la prédalle 20 et notamment du béton qui pourrait accidentellement être projeté vers lesdites encoches de clipage 10. On évite ainsi que du béton ne se fige dans les encoches de clipage 10 ce qui serait préjudiciable pour un emboîtement ultérieur d'accessoires de construction sur ladite bordure.The antifouling nozzles 11 make it possible to protect the clipping notches 10 during the casting of the body 21 of the pre-slab 20 and in particular of the concrete that could accidentally be thrown towards said clipping notches 10. This prevents concrete from congealing in the notches clipping 10 which would be detrimental to subsequent nesting of construction accessories on said border.

De façon avantageuse, les évidements 9 permettent d'assurer un équilibrage des pressions subies par la bordure 1 lors du coulage du béton. Les évidements 9 sont bien entendu agencés de sorte à se trouver agencés à une hauteur de la structure 2 supérieure à la hauteur du corps 21 de la prédalle 20 afin que du béton ne puisse pénétrer par les évidements 9 entre le moule de fabrication 30 et la bordure 1.Advantageously, the recesses 9 make it possible to ensure a balancing of the pressures experienced by the edge 1 during the pouring of the concrete. The recesses 9 are of course arranged so as to be arranged at a height of the structure 2 greater than the height of the body 21 of the predalle 20 so that concrete can not penetrate through the recesses 9 between the manufacturing mold 30 and the border 1.

Par ailleurs, l'aimant 17 permet tout à la fois de positionner la bordure 1 dans le moule de fabrication 30, comme il a déjà été dit, mais également de maintenir la bordure 1 en position, même pendant le coulage du béton, en la plaquant contre la rive associée.Furthermore, the magnet 17 allows both to position the edge 1 in the manufacturing mold 30, as has already been said, but also to maintain the edge 1 in position, even during the pouring of the concrete, in the plating against the associated shore.

En effet, lorsque la bordure 1 est agencée dans le moule de fabrication 30, l'aimant 17 permet de bien plaquer la bordure 1 contre la rive en adhérant au moule de fabrication 30. Ceci évite l'infiltration du béton entre la bordure 1 et le moule de fabrication 30 au niveau de la portion supérieure de la bordure 1 lors du coulage du corps 21 ce qui pourrait gêner un emboîtement ultérieur d'accessoires de construction sur ladite bordure 1 tels que des éléments de retenue.Indeed, when the edge 1 is arranged in the manufacturing mold 30, the magnet 17 can well press the edge 1 against the shore by adhering to the manufacturing mold 30. This prevents the infiltration of concrete between the edge 1 and the manufacturing mold 30 at the upper portion of the edge 1 during casting of the body 21 which could interfere with a subsequent nesting of construction accessories on said edge 1 such as retaining elements.

De par sa forme allongée, l'aimant 17 permet en outre de bien couvrir toute la longueur de la structure 2 et donc de bien plaquer toute la bordure 1 contre le moule de fabrication 30.Due to its elongated shape, the magnet 17 also makes it possible to cover the entire length of the structure 2 and thus to fully press the entire edge 1 against the manufacturing mold 30.

Bien entendu, la bordure 1 est conformée de sorte à pouvoir épouser la forme du moule de fabrication 30 afin que son plaquage par l'aimant 17 s'avère possible. Dans le cas d'un chanfrein entre le fond du moule 30 et les parois latérales du moule 30, les pieds 12 sont ainsi inclinés par rapport au reste de la structure 2 pour pouvoir épouser l'inclinaison dudit chanfrein.Of course, the edge 1 is shaped so as to fit the shape of the manufacturing mold 30 so that its plating by the magnet 17 is possible. In the case of a chamfer between the bottom of the mold 30 and the side walls of the mold 30, the legs 12 are thus inclined relative to the rest of the structure 2 to be able to match the inclination of said chamfer.

Une fois que le béton a été coulé et a terminé de prendre, la bordure 1 se retrouve alors rigidement solidarisée au corps 21 de prédalle 20 de sorte à former avec celui-ci un tout-rigide. La prédalle 20 peut alors être retirée du moule de fabrication 30.Once the concrete has been poured and finished taking, the edge 1 is then found rigidly secured to the body 21 of pre-slab 20 so as to form with it an all-rigid. The predalle 20 can then be removed from the manufacturing mold 30.

De la sorte, on solidarise facilement et rapidement la bordure 1 au corps 21 de la prédalle 20 par surmoulage durant la fabrication dudit corps 21.In this way, the edge 1 is easily and quickly joined to the body 21 of the pre-plate 20 by overmoulding during the manufacture of said body 21.

En référence à la figure 5, la bordure 1 est donc rigidement solidarisée au corps 21 en étant ancrée dans celui-ci. La portion inférieure de la bordure, correspondant à celle de la structure et s'étendant ici des pieds 12 jusqu'à sensiblement le niveau des évidements 9 sans toutefois atteindre celui-ci, se trouve enrobée dans le béton du corps 21 de prédalle 20.With reference to the figure 5 , the edge 1 is rigidly secured to the body 21 being anchored therein. The lower portion of the edge, corresponding to that of the structure and extending from the feet 12 to substantially the level of the recesses 9 without reaching it, is embedded in the concrete of the body 21 of the pre-slab 20.

La bordure 1 est ainsi agencée de sorte que les cellules s'étendent vers l'intérieur de la prédalle 20. Une partie des cellules se retrouvent donc partiellement noyées dans le béton du corps 21 de prédalle 20. La face principale lisse de la bordure 1 forme la surface libre de la prédalle 20.The edge 1 is thus arranged so that the cells extend towards the inside of the predalle 20. Part of the cells are therefore partially embedded in the concrete of the body 21 of the pre-slab 20. The smooth main face of the edge 1 forms the free surface of the predalle 20.

La portion supérieure de la structure 2, correspondant à celle de la bordure 1, dépasse donc de la face supérieure du corps 21 de prédalle 20. Un élément de retenue 40 ou plusieurs éléments de retenue peuvent alors être emboîtés sur ladite portion supérieure de sorte que les éléments de retenue 40 et la bordure 1 constituent ensemble une portion de coffrage d'une dalle de compression destinée à être coulée sur la prédalle 20.The upper portion of the structure 2, corresponding to that of the edge 1, therefore protrudes from the upper face of the body 21 of the pre-plate 20. A retaining element 40 or several retaining elements can then be fitted on said upper portion so that the retaining elements 40 and the edge 1 together constitute a formwork portion of a compression slab intended to be cast on the predalle 20.

L'invention permet donc de simplifier la mise en oeuvre du coffrage de la dalle de compression.The invention thus makes it possible to simplify the implementation of the formwork of the compression slab.

L'invention permet par exemple de couler une dalle de compression sur un ensemble de prédalles qui n'est pas bordé de murs ou cloisons sur tout son pourtour au moment du coulage.The invention makes it possible, for example, to cast a compression slab on a set of slabs that are not bordered by walls or partitions all around its periphery at the time of pouring.

Bien entendu l'invention n'est pas limitée au mode de réalisation décrit et on peut y apporter des variantes de réalisation sans sortir du cadre de l'invention tel que défini par les revendications.Naturally, the invention is not limited to the embodiment described and alternative embodiments can be made without departing from the scope of the invention as defined by the claims.

En particulier, bien qu'ici la bordure soit associée à une prédalle, la bordure pourra être associée à tout autre élément de construction tel que par exemple une poutre, une poutrelle, un prémur, une dalle ...In particular, although here the border is associated with a predalle, the border may be associated with any other element of construction such as for example a beam, a beam, a premur, a slab ...

Par ailleurs, la bordure est apte à recevoir d'autres accessoires de construction que des éléments de retenue tels que des blocs en matériau isolant thermiquement, des organes de sécurité ...Furthermore, the edge is able to receive other construction accessories that retaining elements such as blocks of thermally insulating material, safety devices ...

De plus, bien qu'ici l'élément de construction ne comporte qu'une seule bordure, l'élément de construction pourra comporter un plus grand nombre de bordures pour former l'un de ses bords, en particulier bien que non exclusivement longitudinaux. Les bordures successives pourront soit être emboîtées les uns aux autres au niveau de leurs extrémités, soit être accolées sans être emboîtées soit être séparées par espace.In addition, although here the building element has only one edge, the building element may have a greater number of edges to form one of its edges, particularly although not exclusively longitudinal. The successive borders may either be nested to each other at their ends, or be contiguous without being nested or separated by space.

Les bordures pourront être redécoupées à une longueur voulue pour former le bord de l'élément de construction de sorte que l'extrémité découpée ne comporte aucun moyen d'encliquetage contrairement à l'extrémité formée initiale, qu'une des cellules ne soit pas complète après découpage ...The borders may be cut to a desired length to form the edge of the construction element so that the cut end has no latching means unlike the initial formed end, one of the cells is not complete after cutting ...

La bordure pourra être différente de ce qui a été décrite. En référence à la figure 6, et selon un deuxième mode de réalisation de l'invention, la deuxième rangée de cellules pourra ainsi ne comporter que des cellules accolées les unes aux autres. La première rangée de cellules et la deuxième rangée de cellules comporteront alors le même nombre de cellules. Les languettes s'étendront alors sous l'une des cellules de la deuxième rangée, cellule non associée à un pied d'ancrage. En variante, la bordure pourra ne pas comporter de pieds, de languette ... Les cellules, les pieds, les languettes, les becs antisalissure, les encoches de clipage pourront ne pas tous être identiques. La bordure pourra comporter un nombre différent de rangées de cellules. Les cellules ne seront pas nécessairement organisées en rangée.The border may be different from what has been described. With reference to the figure 6 , and according to a second embodiment of the invention, the second row of cells may thus comprise only cells contiguous to each other. The first row of cells and the second row of cells will then have the same number of cells. The tabs will then extend under one of the cells of the second row, a cell not associated with an anchor foot. Alternatively, the border may not include feet, tongue ... The cells, feet, tabs, antifouling nozzles, clipping notches may not all be identical. The border may have a different number of rows of cells. The cells will not necessarily be organized in a row.

La bordure pourra ainsi comporter une autre structure qu'une structure alvéolaire comme par exemple une simple paroi longitudinale dont une face principale longitudinale comporte un aimant pour la fixation de la bordure au moule de fabrication.The rim may thus comprise another structure than a honeycomb structure such as for example a simple longitudinal wall, a longitudinal main face of which comprises a magnet for fixing the rim to the manufacturing mold.

La bordure pourra être dans une autre matière qu'une matière plastique (qu'elle comporte ou non une structure alvéolaire) comme par exemple en métal.The border may be in a material other than a plastic material (whether or not it has a honeycomb structure) such as metal.

L'aimant pourra alors assurer seul le positionnement et le maintien en position de la bordure dans le moule de fabrication.The magnet can then ensure alone positioning and maintaining the position of the edge in the manufacturing mold.

L'aimant pourra être fixé à la bordure différemment que par surmoulage, par exemple à l'aide d'adhésif ou par des éléments de fixation de type vis ou autre.The magnet may be attached to the edge differently than by overmoulding, for example by means of adhesive or by fasteners of the screw type or otherwise.

Claims (20)

Bordure (1) rectiligne d'élément de construction s'étendant selon une droite (X) et présentant deux faces principales s'étendant le long dudit axe (X), la bordure étant caractérisée en ce qu'elle comporte un aimant (17) destiné à plaquer la bordure contre une paroi d'un moule de fabrication d'un élément de construction associée à la bordure, l'aimant étant agencé sur l'une des faces principales de la bordure de sorte à saillir de ladite face.Straight edge (1) of construction element extending along a line (X) and having two main faces extending along said axis (X), the rim being characterized in that it comprises a magnet (17) intended to press the edge against a wall of a mold for manufacturing a construction element associated with the edge, the magnet being arranged on one of the main faces of the edge so as to project from said face. Bordure selon la revendication 1, dans laquelle l'aimant (17) est conformé en une bande.The border of claim 1, wherein the magnet (17) is shaped as a band. Bordure selon la revendication 1 ou la revendication 2, dans laquelle l'aimant (17) s'étend selon la droite (X).Border according to claim 1 or claim 2, wherein the magnet (17) extends along the line (X). Bordure selon la revendication 1, dans laquelle la bordure comporte une structure (2) en matière plastique portant l'aimant (17).Border according to claim 1, wherein the border comprises a structure (2) made of plastic material carrying the magnet (17). Bordure selon la revendication 4, dans laquelle l'aimant (17) est surmoulé dans la structure (2).Border according to claim 4, wherein the magnet (17) is overmolded in the structure (2). Bordure selon la revendication 4, dans laquelle la structure (2) est en polypropylène.Border according to claim 4, wherein the structure (2) is made of polypropylene. Bordure selon la revendication 1, comprenant une structure (2) alvéolée en matière plastique qui comprend des cellules (4, 6) en relief s'étendant vers l'extérieur de la bordure, à partir de la face principale de la bordure opposée à celle portant l'aimant (17), pour être destinées à être en regard d'un corps (21) en béton de l'élément de construction.Border according to claim 1, comprising a honeycomb structure (2) of plastic material which comprises cells (4, 6) in relief extending outwardly from the edge, from the main face of the edge opposite to that carrying the magnet (17), to be intended to be opposite a body (21) made of concrete of the construction element. Bordure selon la revendication 7, dans laquelle la structure (2) comporte au moins une rangée (3, 5) de cellules en relief qui sont agencées côte à côte le long de la droite (X) et qui s'étendent à partir de la structure vers l'extérieur de la bordure (1) pour être destinée à être en regard d'un corps (21) en béton de l'élément de construction.Border according to claim 7, wherein the structure (2) comprises at least one row (3, 5) of raised cells which are arranged side by side along the line (X) and which extend from the structure outward of the border (1) to be intended to be opposite a concrete body (21) of the construction element. Bordure selon la revendication 8, dans laquelle les différentes cellules de la rangée (3, 5) sont toutes identiques.Border according to claim 8, wherein the different cells of the row (3, 5) are all identical. Bordure selon la revendication 8, dans lequel la structure (2) comporte une première rangée de cellules (3) agencées côte à côte le long de la droite (X) et une deuxième rangée de cellules (5) agencées côte à côte le long de la droite (X), la deuxième rangée de cellules s'étendant sous la première rangée de cellules de sorte qu'une cellule de la deuxième rangée se trouve dans le prolongement d'une cellule respective de la première rangée.The border of claim 8, wherein the structure (2) comprises a first row of cells (3) arranged side by side along the line (X) and a second row of cells (5) arranged side by side along the line (X), the second row of cells extending under the first row of cells so that a cell of the second row is in the extension of a respective cell of the first row. Bordure selon la revendication 10, dans laquelle les cellules de la première rangée (3) sont toutes identiques entre elles et les cellules de la deuxième rangée (5) sont toutes identiques entre elles, les cellules de la deuxième rangée ayant une hauteur supérieure aux cellules de la première rangée.Border according to claim 10, wherein the cells of the first row (3) are all identical to each other and the cells of the second row (5) are all identical to each other, the cells of the second row having a height greater than the cells from the first row. Bordure selon la revendication 7, dans laquelle la structure comporte au moins un évidemment (9) la traversant, l'évidemment étant agencé à une hauteur de la structure (2) supérieure à la hauteur de l'élément de construction à laquelle la bordure (1) est destinée à être fixée.Border according to claim 7, wherein the structure comprises at least one recess (9) passing through it, the recess being arranged at a height of the structure (2) greater than the height of the construction element to which the edge ( 1) is intended to be fixed. Bordure selon la revendication 7, dans laquelle une portion supérieure de la structure (2) comporte des encoches de clipage (10) régulièrement réparties le long de la droite (X) pour l'emboîtement d'accessoires de construction sur la bordure (1).Border according to claim 7, wherein an upper portion of the structure (2) has clipping notches (10) regularly distributed along the line (X) for the fitting of construction accessories on the edge (1) . Bordure selon la revendication 11, dans laquelle la portion supérieure de la structure (2) comporte des becs antisalissure (11), chaque bec antisalissure surmontant respectivement l'une des encoches de clipage (10).Border according to claim 11, wherein the upper portion of the structure (2) comprises anti-fouling nozzles (11), each anti-fouling nozzle respectively surmounting one of the clipping notches (10). Bordure selon la revendication 7, dans laquelle la structure (2) comporte au moins un pied (12) d'ancrage s'étendant d'une portion inférieure de la structure vers l'extérieur de la bordure.The curb of claim 7, wherein the structure (2) has at least one anchor foot (12) extending from a lower portion of the structure to the outside of the curb. Bordure selon la revendication 7, dans laquelle la structure (2) comporte au moins une languette (14) de positionnement de la bordure (1) qui est agencée en partie basse de la structure et qui s'étend à partir de la structure vers l'extérieur de la bordure pour être destinée à être en regard d'un corps (21) en béton de l'élément de construction.Border according to claim 7, wherein the structure (2) comprises at least one tab (14) for positioning the edge (1) which is arranged in the lower part of the structure and which extends from the structure towards the outside of the border to be intended to be opposite a body (21) made of concrete of the construction element. Bordure selon la revendication 7, dans laquelle les deux extrémités longitudinales de la structure (2) comportent respectivement des moyens d'encliquetage mâle (15) et des moyens d'encliquetage femelle (16).Border according to claim 7, wherein the two longitudinal ends of the structure (2) respectively comprise male detent means (15) and female detent means (16). Elément de construction comportant un corps (21) en béton et au moins une bordure (1) selon l'une des revendications précédentes qui est ancrée dans le corps en béton pour former au moins une partie d'un bord de de l'élément de construction.Construction element comprising a body (21) of concrete and at least one edge (1) according to one of the preceding claims which is anchored in the concrete body to form at least a portion of an edge of the element of construction. Elément de construction selon la revendication 18, dans lequel l'élément de construction est une prédalle (20).The building element of claim 18, wherein the building element is a slab (20). Procédé de fabrication d'un élément de construction comportant un corps (21) en béton et au moins une bordure selon l'une des 1 à 17 qui est ancrée dans le corps en béton pour former au moins une partie d'un bord de l'élément de construction, le procédé comportant les étapes de: - installer la bordure dans un moule de fabrication du corps en béton de l'élément de construction de sorte que la bordure soit positionnée le long d'une des rives dudit moule, la face principale de la bordure portant l'aimant étant en regard de ladite rive de façon que l'aimant adhère à ladite rive pour y plaquer la bordure, - couler le béton dans le moule de fabrication et laisser prendre le béton de sorte à rigidement solidariser la bordure au corps en béton pour former l'élément de construction. A method of manufacturing a building element comprising a concrete body (21) and at least one edge according to one of 1 to 17 which is anchored in the concrete body to form at least a portion of an edge of the concrete construction element, the method comprising the steps of: installing the edge in a mold for manufacturing the concrete body of the construction element so that the edge is positioned along one of the banks of said mold, the main face of the border carrying the magnet being opposite said bank so that the magnet adheres to said bank to press the edge, pouring the concrete into the production mold and allowing the concrete to be taken so as to rigidly secure the edge to the concrete body to form the construction element.
EP16160859.1A 2015-03-17 2016-03-17 Straight edge of construction element, construction element comprising such an edge and method for manufacturing such a construction element Active EP3070224B1 (en)

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FR1552196A FR3033813B1 (en) 2015-03-17 2015-03-17 STRAIGHT EDGE OF CONSTRUCTION ELEMENT, CONSTRUCTION ELEMENT COMPRISING SUCH A BORDER AND METHOD FOR MANUFACTURING SUCH A CONSTRUCTION ELEMENT.

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5224313A (en) * 1991-10-31 1993-07-06 Guillebeau Iii Otis P Apparatus for constructing isolation pockets
DE202005002319U1 (en) * 2005-02-14 2005-05-12 Schöck Bauteile GmbH Shuttering element for the manufacture of precast concrete elements
US20080023621A1 (en) * 2006-07-31 2008-01-31 Wagner Eric W Magnetic Concrete Construction Keyway System
FR2995330A1 (en) 2012-09-10 2014-03-14 Kp1 CONCRETE PREDALLE FOR CONSTRUCTION OF BUILDING FLOORS

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5224313A (en) * 1991-10-31 1993-07-06 Guillebeau Iii Otis P Apparatus for constructing isolation pockets
DE202005002319U1 (en) * 2005-02-14 2005-05-12 Schöck Bauteile GmbH Shuttering element for the manufacture of precast concrete elements
US20080023621A1 (en) * 2006-07-31 2008-01-31 Wagner Eric W Magnetic Concrete Construction Keyway System
FR2995330A1 (en) 2012-09-10 2014-03-14 Kp1 CONCRETE PREDALLE FOR CONSTRUCTION OF BUILDING FLOORS

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FR3033813A1 (en) 2016-09-23
PT3070224T (en) 2021-11-24
PL3070224T3 (en) 2022-02-21
EP3070224B1 (en) 2021-10-27
ES2899939T3 (en) 2022-03-15
FR3033813B1 (en) 2020-03-27

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