EP2439352B1 - Permanent formwork wall with connecting cablet - Google Patents
Permanent formwork wall with connecting cablet Download PDFInfo
- Publication number
- EP2439352B1 EP2439352B1 EP20110306299 EP11306299A EP2439352B1 EP 2439352 B1 EP2439352 B1 EP 2439352B1 EP 20110306299 EP20110306299 EP 20110306299 EP 11306299 A EP11306299 A EP 11306299A EP 2439352 B1 EP2439352 B1 EP 2439352B1
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- EP
- European Patent Office
- Prior art keywords
- wall
- connecting means
- permanent formwork
- strands
- flexible cable
- 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.)
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- 238000009415 formwork Methods 0.000 title claims description 37
- 239000000463 material Substances 0.000 claims description 6
- 239000004567 concrete Substances 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 4
- 238000004873 anchoring Methods 0.000 claims description 3
- 238000002788 crimping Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 239000011210 fiber-reinforced concrete Substances 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Images
Classifications
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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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
- E04B2/8611—Walls made by casting, pouring, or tamping in situ made in permanent forms with spacers being embedded in at least one form leaf
- E04B2/8617—Walls made by casting, pouring, or tamping in situ made in permanent forms with spacers being embedded in at least one form leaf with spacers being embedded in both form leaves
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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
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
- E04B1/04—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of concrete, e.g. reinforced concrete, or other stone-like material
- E04B1/043—Connections specially adapted therefor
- E04B1/046—Connections specially adapted therefor using reinforcement loops protruding from the elements
Definitions
- the present invention relates to a lost form wall comprising means for ensuring a connection between this wall and another wall immediately juxtaposed.
- This invention relates to the field of building and, more particularly, to the manufacture, at the factory, of lost form walls intended to be conveyed to the construction site of a building for installation.
- the document FR 2 942 824 discloses a formwork wall including all the features of the preamble of claim 1.
- a first solution is to equip such a wall with a connecting means, adopting the shape of a basket or the like, extending over at least a portion of the height of the wall, and resulting from the assembly a plurality of parallel metal bars and a plurality of metal rods folded so as to adopt the shape of a square or a rectangle, and connected to the metal bars, more particularly by welding.
- Such connecting means comprises a first portion extending inside the wall, more particularly by being at least partially embedded in the material of at least one of the skins of the wall.
- This connection means also comprises a second portion extending outside of the wall, laterally with respect to the lateral edge of this wall, and in the extension of the internal volume of this wall.
- connecting means requires, for the manufacture of the lost-form walls involved in the construction of a building, the evaluation of the appropriate quantity of these connecting means, which moreover must correspond to a nomenclature of determined assignment in function of the wall to equip. It is also necessary to control the appropriate number of these connection means, to ensure the follow-up and the conformity of such a command when it is received, this in due time, but also to store these linkage means in the field. waiting for their use while managing such a stock. Finally, during the process of manufacturing such a wall, it is necessary to mobilize at least one operator to ensure the appropriate implementation of such a connecting means, or to control such an implantation.
- Another disadvantage is that, when installing such a formwork wall on a building site, it is appropriate to handle such a wall to ensure the proper engagement of a connecting means equipping a wall formwork lost inside the internal volume of another wall juxtaposed.
- Such a handling operation is complex and must be carried out with precision because the juxtaposition of a wall to another is hampered by the presence of such a connecting means equipping such a wall, or even by the presence of means of connection of the two skins that comprises the other wall and which represent an obstacle for the introduction, as appropriate, of the connecting means of this wall inside the internal volume of the other wall.
- a second solution consists, initially, in juxtaposing two walls with lost formwork, this before introducing inside the internal volume of one of these two walls a connecting means, again constituted by a basket or analog as described above.
- a connecting means is introduced inside such a wall near a lateral edge of this wall, this before ensuring a displacement of this connecting means towards the wall juxtaposed and in the internal volume of this one.
- an operator acts on this connecting means through openings in such a wall.
- this second solution has the same disadvantages as those mentioned for the first solution and relating to the management of the connection means, this second solution also has other disadvantages.
- the introduction of such a connecting means inside a wall can be difficult, if not impossible, because of the dimensions of this wall, variations in the thickness of the skins and / or the presence of obstacles (lifting hooks, means of connection, openings).
- the movement of this connecting means towards the other wall can be complex because of the difficulties of access to this connection means through openings and / or the presence of obstacles on the path of this connecting means.
- the present invention is intended to overcome the disadvantages of the lost formwork walls of the state of the art.
- the formwork wall according to the invention comprises at least one connecting means constituted by a flexible cable, shaped in a loop, and extending laterally with respect to this wall.
- a first advantage is that such a connecting means is constituted by a flexible cable, so a simple design element, easy to obtain, easily storable (especially in the form of a coil), easily adaptable to the characteristics of the wall to be equipped (in particular by cutting the cable to the desired length), easy to implement, requiring little manpower for its installation at the level of a wall with lost formwork
- Such a connecting means is capable of equipping any formwork wall, regardless of the characteristics of the wall and regardless of any specific nomenclature related to such a wall.
- such a connecting means is easily adaptable to the characteristics of the wall, in particular by choosing the appropriate diameter of the cable, by cutting it to an appropriate length, adjusting the number of these connecting means.
- Such a connecting means equips the formwork wall as soon as it is manufactured in the factory, which avoids the logistical problems specific to the supply of a building site with such means of connection as well as the management of the stock of these means of connection at the level of this building site.
- Such a connecting means facilitates the juxtaposition of two walls with lost form because, in the presence of a possible obstacle, the flexible cable of this connecting means is likely to deform at the passage of a such obstacle and, after the passage of this obstacle, to return to its original form.
- this connecting means allows a connecting means fitted to a wall to overlap with a connecting means equipping another wall juxtaposed, or even with connection means of the two skins of this other wall juxtaposed and / or extend deep inside the internal volume of another wall juxtaposed. This allows, advantageously, to adequately transmit the forces between two walls juxtaposed.
- Such a connecting means also makes it possible to accelerate the construction of a building by avoiding a step (tricky, time-consuming, tedious, or even impossible) of setting up, or a means of connecting the state of the building. technical inside the internal volume of two walls, or a formwork wall consistent with the state of the art and including such a connecting means.
- the present invention relates to the field of the building and, more particularly, that of the manufacture, at the factory, of lost form walls intended to be conveyed to the construction site of a building to be located there.
- such a formwork wall 1 comprises two skins (2; 3), made of concrete or the like.
- At least one of these two skins (2; 3) may be made of a material (high-performance fiber-reinforced concrete, ultra-high performance fiber-reinforced concrete or the like) having characteristics such that this skin (2; 3) has no structural reinforcement.
- At least one of these two skins (2; 3) receives, internally, such a frame of structure 4 which, in known manner, can take the form of a lattice or the like.
- the two skins (2; 3) of such a wall 1 with lost formwork are arranged facing one (2; 3) of the other (3; 2) substantially in parallel and spaced, this so as to define between them an internal volume 5.
- a hydraulic mixture is poured (more particularly concrete or the like), this after positioning, in a juxtaposed way, another wall. (similar, even and preferably identical) next to this wall 1.
- such a formwork wall 1 also comprises at least one means 6 for connecting these two skins (2; 3) to each other.
- a connecting means 6 has at least two ends (60; 61, 61a), at least one of which is embedded in a skin 2 of the wall 1 while at least one other (61, 61a) is embedded in the wall. other skin 3 of this wall 1.
- such a connecting means 6 can take the form of a connector, a basket, a beam ( Figures 3 and 4 ) or the like.
- this skin (2; 3) may, according to a preferred embodiment, comprise means (not shown) for the fastening of such a frame of structure 4 to at least one such connecting means 6 of the two skins (2; 3) of the wall 1.
- a securing means may consist of a ligation, a crimping, a weld or the like.
- Such a formwork wall 1 comprises at least one means 7 for connecting the wall 1 with another wall 1 'at least similar (or identical), juxtaposed and located in its extension.
- such a connecting means 7 equips at least one of the lateral sides (10; 10a) of the formwork wall 1.
- such a formwork wall 1 comprises a plurality of these connecting means 7 which can then be distributed, in particular in a regular manner, at the level of at least one of the lateral sides (10, 10a) of this wall 1.
- Such a connecting means 7 comprises a first portion 70 extending inside the wall 1 and a second portion 71 extending outside of the wall 1, laterally with respect to the side edge 11 of the wall 1, and in the extension of the internal volume 5 of this wall 1.
- the second portion 71 of a connecting means 7 that comprises a formwork wall 1 is intended to extend inside the internal volume 5 'that comprises another formwork wall 1', at least similar (even identical) to this wall 1, juxtaposed and located in the extension of this wall 1 ( figures 2 and 4 ).
- the connecting means 7 is constituted by a flexible cable 8, on the one hand, shaped so as to define a loop 80 constituting at least a portion of the second portion 71 of the connecting means 7 and, d on the other hand, having two strands (81; 81a), each extending from the loop 80 of this flexible cable 8, while the first portion 70 of this connecting means 7 is constituted by at least a portion of each of these two strands (81; 81a) which extends each inside the wall 1.
- such a connecting means 7 equips at least one of the lateral sides (10; 10a) of the formwork wall 1.
- the wall 1 of the invention has two lateral sides (10; 10a) each equipped with at least one connecting means (7; 7a), or ( and preferably as illustrated Figures 1 to 3 ) of a plurality of these connecting means (7; 7a).
- such a connecting means 7 comprises a first portion 70 constituted by at least one portion (82; 82a) of each of the strands (81; 81a) of the flexible cable 8.
- the portions (82; 82a) of each of the two strands (81; 81a) of the flexible cable 8 each extend wholly or partly inside the internal volume 5 of the wall 1.
- a particular embodiment then consists in that such a portion (82; 82a) of strands (81; 81a) extends integrally within this inner volume 5 of the wall 1.
- the wall 1 comprises means for securing the first portion 70 of the connecting means 7 to at least one connection means 6 of the two skins (2; 3) of the wall 1.
- the portions (82; 82a) of each of the two strands (81; 81a) of the flexible cable 8 each extend in whole or in part inside a skin (2; ) of the wall 1.
- the portions (82; 82a) of each of these strands (81; 81a) preferably extend for the most part inside such a skin (2; 3). , more particularly by being embedded inside such a skin (2; 3). In such a case, these portions (82; 82a) of strands (81; 81a) also extend, partially (and in a minority way) inside the internal volume 5 of the wall 1.
- each of the strands (81; 81a) of the flexible cable 8 extends inside a skin (2; 3), it is, more particularly, an end portion, which each of these strands (81; 81a) comprises, and which extends, each, inside a skin (2; 3) of this wall 1.
- the anchoring of this portion (82; 82a) (81; 81a) can be provided solely through cooperation between such a strand portion (82; 82a) (81; 81a) and the skin material (2; 3).
- the wall 1 comprises means 9 for securing the first portion 70 of the connecting means 7 to at least one connection means 6 of the two skins (2; 3) and / or to less a frame of structure 4, when such skin (2; 3) incorporates such a frame 4.
- the means 9 for securing the first portion 70 of the connecting means 7 may be constituted by crimping, ligation, welding or the like.
- each of the two strands (81; 81a) of the connecting cable 8 has a distal end provided with means for anchoring it in the material of a skin (2; 3) of the wall 1 (this when manufacturing the wall 1 at the factory) or in the filling material of the internal volume 5 of the wall 1 (this after implantation of this wall 1 on site).
- the connecting means 7 comprises a second portion 71 extending outside the wall 1, laterally with respect to the lateral edge (10; 10a) of this wall 1, and in the extension of the volume internal 5 of this wall 1.
- this second portion 71 of the connecting means 7 has a length chosen so that, after juxtaposition of the wall 1 with another wall 1 ' (similar or, and preferably, identical), this second portion 71 of the connecting means 7 extends inside the internal volume 5 'of the other wall 1' and covers, at least in part, at least one means 7 'and / or at least one connection means 6' that comprises the other wall 1 ( figure 4 ).
- Such a type of covering advantageously makes it possible to improve the transmission of forces between the two walls (1; 1 ') juxtaposed.
- this second portion 71 of the connecting means 7 is at least partly constituted by a loop 80 formed by the flexible cable 8.
- the flexible cable 8 of this second portion 71 of this connecting means 7 is shaped, either closed loop or (and preferably) open loop.
- the flexible cable 8 is of elastic type. This advantageously makes it possible for such a cable 8 to deform when passing an obstacle (more particularly constituted by a connecting means 7 'or by a connection means 7' that comprises a wall 1 'juxtaposed) and, after the passage of this obstacle, to return to its original form.
- Such an elastic cable 8 is made of a metallic material, in particular steel, more particularly stainless steel.
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Description
La présente invention a trait à un mur à coffrage perdu comportant des moyens pour assurer une liaison entre ce mur et un autre mur immédiatement juxtaposé.The present invention relates to a lost form wall comprising means for ensuring a connection between this wall and another wall immediately juxtaposed.
Cette invention concerne le domaine du bâtiment et, plus particulièrement, celui de la fabrication, en usine, de murs à coffrage perdu destinés à être acheminés sur le chantier de la construction d'un bâtiment pour y être implantés.This invention relates to the field of building and, more particularly, to the manufacture, at the factory, of lost form walls intended to be conveyed to the construction site of a building for installation.
On connaît de nombreux murs à coffrage perdu répondant à cet usage et destinés à être positionnés, de manière juxtaposée, l'un à côté l'autre, plus particulièrement pour la réalisation d'une façade ou analogue.Many formwork walls are known for this purpose and intended to be positioned, in a juxtaposed manner, next to each other, more particularly for the realization of a facade or the like.
Le document
On observera que, au sein d'une telle juxtaposition, les murs à coffrage perdu sont, usuellement, reliés deux à deux, ceci par l'intermédiaire de moyens de liaison.It will be observed that, within such a juxtaposition, the walls with lost formwork are usually connected in pairs, this via connecting means.
Pour ce faire, une première solution consiste à équiper un tel mur avec un moyen de liaison, adoptant la forme d'une corbeille ou analogue, s'étendant sur une partie au moins de la hauteur de ce mur, et résultant de l'assemblage d'une pluralité de barres métalliques parallèles et d'une pluralité de tiges métalliques pliées en sorte d'adopter la forme d'un carré ou d'un rectangle, et raccordées aux barres métalliques, plus particulièrement par soudure.To do this, a first solution is to equip such a wall with a connecting means, adopting the shape of a basket or the like, extending over at least a portion of the height of the wall, and resulting from the assembly a plurality of parallel metal bars and a plurality of metal rods folded so as to adopt the shape of a square or a rectangle, and connected to the metal bars, more particularly by welding.
Un tel moyen de liaison comporte une première portion s'étendant à l'intérieur du mur, plus particulièrement en étant au moins en partie noyée dans le matériau d'au moins une des peaux du mur. Ce moyen de liaison comporte, également, une deuxième portion s'étendant à l'extérieur de ce mur, latéralement par rapport au bord latéral de ce mur, et dans le prolongement du volume interne de ce mur.Such connecting means comprises a first portion extending inside the wall, more particularly by being at least partially embedded in the material of at least one of the skins of the wall. This connection means also comprises a second portion extending outside of the wall, laterally with respect to the lateral edge of this wall, and in the extension of the internal volume of this wall.
La présence d'un tel moyen de liaison nécessite, pour la fabrication des murs à coffrage perdu intervenant dans la construction d'un bâtiment, l'évaluation de la quantité appropriée de ces moyens de liaison, qui plus est devant correspondre à une nomenclature d'affectation déterminée en fonction du mur à équiper. Il est, également, nécessaire de commander le nombre approprié de ces moyens de liaison, d'assurer le suivi et la conformité d'une telle commande lors de sa réception, ceci en temps voulu, mais également de stocker ces moyens de liaison dans l'attente de leur utilisation tout en gérant un tel stock. Finalement, au cours du processus de fabrication d'un tel mur, il est nécessaire de mobiliser au moins un opérateur pour assurer l'implantation appropriée d'un tel moyen de liaison, voire pour contrôler une telle implantation.The presence of such a connecting means requires, for the manufacture of the lost-form walls involved in the construction of a building, the evaluation of the appropriate quantity of these connecting means, which moreover must correspond to a nomenclature of determined assignment in function of the wall to equip. It is also necessary to control the appropriate number of these connection means, to ensure the follow-up and the conformity of such a command when it is received, this in due time, but also to store these linkage means in the field. waiting for their use while managing such a stock. Finally, during the process of manufacturing such a wall, it is necessary to mobilize at least one operator to ensure the appropriate implementation of such a connecting means, or to control such an implantation.
Un autre inconvénient consiste en ce que, lors de l'implantation d'un tel mur à coffrage perdu sur un chantier, il convient de manutentionner un tel mur pour assurer l'engagement approprié d'un moyen de liaison équipant un mur à coffrage perdu à l'intérieur du volume interne d'un autre mur juxtaposé. Une telle opération de manutention s'avère complexe et doit être réalisée avec précision car la juxtaposition d'un mur à un autre est entravée par la présence d'un tel moyen de liaison équipant un tel mur, voire encore par la présence de moyens de raccordement des deux peaux que comporte l'autre mur et qui représentent un obstacle pour l'introduction, de manière appropriée, du moyen de liaison de ce mur à l'intérieur du volume interne de cet autre mur.Another disadvantage is that, when installing such a formwork wall on a building site, it is appropriate to handle such a wall to ensure the proper engagement of a connecting means equipping a wall formwork lost inside the internal volume of another wall juxtaposed. Such a handling operation is complex and must be carried out with precision because the juxtaposition of a wall to another is hampered by the presence of such a connecting means equipping such a wall, or even by the presence of means of connection of the two skins that comprises the other wall and which represent an obstacle for the introduction, as appropriate, of the connecting means of this wall inside the internal volume of the other wall.
Une deuxième solution consiste, dans un premier temps, à juxtaposer deux murs à coffrage perdu, ceci avant d'introduire à l'intérieur du volume interne de l'un de ces deux murs un moyen de liaison, là encore constituée par une corbeille ou analogue telle que décrite ci-dessus. Un tel moyen de liaison est introduit à l'intérieur d'un tel mur à proximité d'un bord latéral de ce mur, ceci avant d'assurer un déplacement de ce moyen de liaison en direction du mur juxtaposé et dans le volume interne de celui-ci. Afin de procéder à un tel déplacement, un opérateur agit sur ce moyen de liaison au travers d'ouvertures ménagées dans un tel mur.A second solution consists, initially, in juxtaposing two walls with lost formwork, this before introducing inside the internal volume of one of these two walls a connecting means, again constituted by a basket or analog as described above. Such a connecting means is introduced inside such a wall near a lateral edge of this wall, this before ensuring a displacement of this connecting means towards the wall juxtaposed and in the internal volume of this one. In order to carry out such a movement, an operator acts on this connecting means through openings in such a wall.
Outre le fait que cette deuxième solution présente les mêmes inconvénients que ceux mentionnés pour la première solution et relatifs à la gestion des moyens de liaison, cette deuxième solution présente, également, d'autres inconvénients. En particulier, l'introduction d'un tel moyen de liaison à l'intérieur d'un mur peut s'avérer difficile, voire impossible, en raison des dimensions de ce mur, des variations dans l'épaisseur des peaux et/ou de la présence d'obstacles (crochets de levage, moyen de raccordement, ouvertures). De plus, après introduction de ce moyen de raccordement à l'intérieur du mur, le déplacement de ce moyen de liaison en direction de l'autre mur peut s'avérer complexe en raison des difficultés d'accès à ce moyen de liaison au travers des ouvertures et/ou de la présence d'obstacles sur la trajectoire de ce moyen de liaison.In addition to the fact that this second solution has the same disadvantages as those mentioned for the first solution and relating to the management of the connection means, this second solution also has other disadvantages. In particular, the introduction of such a connecting means inside a wall can be difficult, if not impossible, because of the dimensions of this wall, variations in the thickness of the skins and / or the presence of obstacles (lifting hooks, means of connection, openings). In addition, after introduction of this connecting means inside the wall, the movement of this connecting means towards the other wall can be complex because of the difficulties of access to this connection means through openings and / or the presence of obstacles on the path of this connecting means.
La présente invention se veut à même de remédier aux inconvénients des murs à coffrage perdu de l'état de la technique.The present invention is intended to overcome the disadvantages of the lost formwork walls of the state of the art.
A cet effet, l'invention concerne un mur à coffrage perdu comportant :
- deux peaux, réalisées en béton ou analogue, disposées en regard l'une de l'autre, de manière sensiblement parallèle et espacée, ceci en sorte de définir entre elles un volume interne ;
- au moins un moyen pour le raccordement de ces deux peaux entre elles ;
- au moins un moyen pour la liaison de ce mur avec un autre mur au moins similaire, juxtaposé et situé dans son prolongement, un tel moyen de liaison équipant l'un au moins des côtés latéraux du mur et comportant une première portion s'étendant à l'intérieur du mur ainsi qu'une deuxième portion s'étendant à l'extérieur de ce mur, latéralement par rapport au bord latéral de ce mur, et dans le prolongement du volume interne de ce mur.
- two skins, made of concrete or the like, arranged facing one another, in substantially parallel and spaced manner, so as to define between them an internal volume;
- at least one means for connecting these two skins together;
- at least one means for connecting this wall with another wall at least similar, juxtaposed and located in its extension, such connecting means equipping at least one of the lateral sides of the wall and having a first portion extending to the inside of the wall and a second portion extending outside the wall, laterally with respect to the lateral edge of this wall, and in the extension of the internal volume of the wall.
Ce mur à coffrage perdu est caractérisé par le fait que :
- le moyen de liaison est constitué par un câble flexible, d'une part, conformé en sorte de définir une boucle constituant au moins une partie de la deuxième portion de ce moyen de liaison et, d'autre part, comportant deux brins, chacun s'étendant à partir de la boucle de ce câble flexible, tandis que la première portion de ce moyen de liaison est constituée par au moins une partie de chacun de ces deux brins qui s'étend, chacune, à l'intérieur (d'une peau) du mur.
- the connecting means is constituted by a flexible cable, on the one hand, shaped so as to define a loop constituting at least a part of the second portion of this connecting means and, on the other hand, comprising two strands, each extending from the loop of this flexible cable, while the first portion of this connecting means is constituted by at least a part of each of these two strands which extends, each inside (d ') a skin) of the wall.
Ainsi, le mur à coffrage perdu selon l'invention comporte au moins un moyen de liaison constitué par un câble flexible, conformé en boucle, et s'étendant latéralement par rapport à ce mur.Thus, the formwork wall according to the invention comprises at least one connecting means constituted by a flexible cable, shaped in a loop, and extending laterally with respect to this wall.
Un premier avantage consiste en ce qu'un tel moyen de liaison est constitué par un câble flexible, donc par un élément de conception simple, facile à se procurer, aisément stockable (notamment sous forme d'une bobine), aisément adaptable aux caractéristiques du mur à équiper (notamment en découpant le câble à la longueur voulue), facile à mettre en oeuvre, nécessitant peu de main d'oeuvre pour sa mise en place au niveau d'un mur à coffrage perduA first advantage is that such a connecting means is constituted by a flexible cable, so a simple design element, easy to obtain, easily storable (especially in the form of a coil), easily adaptable to the characteristics of the wall to be equipped (in particular by cutting the cable to the desired length), easy to implement, requiring little manpower for its installation at the level of a wall with lost formwork
Un autre avantage consiste en ce qu'un tel moyen de liaison est susceptible d'équiper tout mur à coffrage perdu, ceci indépendamment des caractéristiques de ce mur et indépendamment d'une quelconque nomenclature spécifique liée à un tel mur. De plus, un tel moyen de liaison est aisément adaptable aux caractéristiques du mur, notamment en choisissant le diamètre approprié du câble, en découpant celui-ci à une longueur appropriée, en ajustant le nombre de ces moyens de liaison.Another advantage is that such a connecting means is capable of equipping any formwork wall, regardless of the characteristics of the wall and regardless of any specific nomenclature related to such a wall. In addition, such a connecting means is easily adaptable to the characteristics of the wall, in particular by choosing the appropriate diameter of the cable, by cutting it to an appropriate length, adjusting the number of these connecting means.
Encore un autre avantage consiste en ce qu'un tel moyen de liaison équipe le mur à coffrage perdu dès sa fabrication en usine ce qui évite les problèmes de logistique spécifiques à l'approvisionnement d'un chantier avec de tels moyens de liaison ainsi que la gestion du stock de ces moyens de liaison au niveau de ce chantier.Yet another advantage is that such a connecting means equips the formwork wall as soon as it is manufactured in the factory, which avoids the logistical problems specific to the supply of a building site with such means of connection as well as the management of the stock of these means of connection at the level of this building site.
Un autre avantage consiste en ce qu'un tel moyen de liaison facilite la juxtaposition de deux murs à coffrage perdu car, en présence d'un éventuel obstacle, le câble flexible de ce moyen de liaison est susceptible de se déformer au passage d'un tel obstacle et, après le passage de cet obstacle, de retrouver sa forme initiale.Another advantage is that such a connecting means facilitates the juxtaposition of two walls with lost form because, in the presence of a possible obstacle, the flexible cable of this connecting means is likely to deform at the passage of a such obstacle and, after the passage of this obstacle, to return to its original form.
De plus, la flexibilité de ce moyen de liaison ainsi que sa longueur permettent à un moyen de liaison équipant un mur de se recouvrir avec un moyen de liaison équipant un autre mur juxtaposé, voire encore avec des moyens de raccordement des deux peaux de cet autre mur juxtaposé et/ou de s'étendre profondément à l'intérieur du volume interne de cet autre mur juxtaposé. Ceci permet, avantageusement, de transmettre de manière appropriée les efforts entre deux murs juxtaposés.In addition, the flexibility of this connecting means and its length allow a connecting means fitted to a wall to overlap with a connecting means equipping another wall juxtaposed, or even with connection means of the two skins of this other wall juxtaposed and / or extend deep inside the internal volume of another wall juxtaposed. This allows, advantageously, to adequately transmit the forces between two walls juxtaposed.
Un tel moyen de liaison permet, également, d'accélérer la construction d'un bâtiment en évitant une étape (délicate, longue, fastidieuse, voire impossible) de mise en place, soit d'un moyen de liaison de l'état de la technique à l'intérieur du volume interne de deux murs, soit d'un mur à coffrage perdu conforme à l'état de la technique et comportant un tel moyen de liaison.Such a connecting means also makes it possible to accelerate the construction of a building by avoiding a step (tricky, time-consuming, tedious, or even impossible) of setting up, or a means of connecting the state of the building. technical inside the internal volume of two walls, or a formwork wall consistent with the state of the art and including such a connecting means.
Finalement, l'utilisation d'un tel moyen de liaison permet, avantageusement, de fiabiliser la construction d'un bâtiment en évitant toute omission d'un moyen de liaison ainsi que l'utilisation d'un moyen de liaison inapproprié aux caractéristiques déterminées d'un mur.Finally, the use of such a connecting means advantageously makes it possible to make the construction of a building more reliable by avoiding any omission of a connecting means as well as the use of an inappropriate connection means to the determined characteristics of a building. 'a wall.
D'autres buts et avantages de la présente invention apparaîtront au cours de la description qui va suivre se rapportant à des modes de réalisation qui ne sont donnés qu'à titre d'exemples indicatifs et non limitatifs.Other objects and advantages of the present invention will become apparent from the following description relating to embodiments which are given by way of indicative and non-limiting examples.
La compréhension de cette description sera facilitée en se référant aux dessins joints en annexe et dans lesquels :
- la
figure 1 est une vue schématisée et en élévation d'un mur à coffrage perdu conforme à l'invention ; - la
figure 2 est une vue similaire à la précédente et correspondant à une mise en place, de manière juxtaposée, d'un mur illustréfigure 1 à côté d'un autre mur similaire ; - la
figure 3 est une vue schématisée, partielle et de dessus, d'un mur illustréfigure 1 ; - la
figure 4 est une vue similaire à lafigure 3 et correspondant à la juxtaposition de deux murs illustrésfigure 1 .
- the
figure 1 is a schematic and elevational view of a formwork wall according to the invention; - the
figure 2 is a view similar to the previous one and corresponding to an implementation, in a juxtaposed way, of an illustrated wallfigure 1 next to another similar wall; - the
figure 3 is a schematic, partial and top view of an illustrated wallfigure 1 ; - the
figure 4 is a view similar to thefigure 3 and corresponding to the juxtaposition of two illustrated wallsfigure 1 .
La présente invention concerne le domaine du bâtiment et, plus particulièrement, celui de la fabrication, en usine, de murs à coffrage perdu destinés à être acheminés sur le chantier de la construction d'un bâtiment pour y être implantés.The present invention relates to the field of the building and, more particularly, that of the manufacture, at the factory, of lost form walls intended to be conveyed to the construction site of a building to be located there.
De manière connue en soi, un tel mur à coffrage perdu 1 comporte deux peaux (2 ; 3), réalisées en béton ou analogue.In a manner known per se, such a
Selon un premier mode de réalisation, l'une au moins de ces deux peaux (2 ; 3) peut être réalisée en un matériau (béton fibré hautes performances, béton fibré ultra hautes performances ou analogue) présentant des caractéristique telles que cette peau (2 ; 3) soit dépourvue d'armature de structure.According to a first embodiment, at least one of these two skins (2; 3) may be made of a material (high-performance fiber-reinforced concrete, ultra-high performance fiber-reinforced concrete or the like) having characteristics such that this skin (2; 3) has no structural reinforcement.
Cependant et selon un deuxième mode de réalisation, l'une au moins de ces deux peaux (2 ; 3) reçoit, intérieurement, une telle armature de structure 4 qui, de manière connue, peut adopter la forme d'un treillis ou analogue.However, according to a second embodiment, at least one of these two skins (2; 3) receives, internally, such a frame of
Quoi qu'il en soit, les deux peaux (2 ; 3) d'un tel mur 1 à coffrage perdu sont disposées en regard l'une (2 ; 3) de l'autre (3 ; 2), de manière sensiblement parallèle et espacée, ceci en sorte de définir entre elles un volume interne 5.Be that as it may, the two skins (2; 3) of such a
C'est, plus particulièrement, à l'intérieur du volume interne 5 d'un tel mur 1 qu'est coulé un mélange hydraulique (plus particulièrement du béton ou analogue), ceci après positionnement, de manière juxtaposée, d'un autre mur (similaire, voire et de préférence identique) à côté de ce mur 1.It is, more particularly, within the
Selon une autre caractéristique, un tel mur à coffrage perdu 1 comporte, également, au moins un moyen 6 pour le raccordement de ces deux peaux (2 ; 3) entre elles. Un tel moyen de raccordement 6 présente au moins deux extrémités (60 ; 61, 61a) dont l'une au moins 60 est noyée dans une peau 2 du mur 1 tandis qu'au moins une autre (61, 61a) est noyée dans l'autre peau 3 de ce mur 1.According to another characteristic, such a
De manière connue, un tel moyen de raccordement 6 peut adopter la forme d'un connecteur, d'une corbeille, d'une poutrelle (
On observera que, lorsqu'une peau (2 ; 3) du mur 1 incorpore une armature de structure 4 tel que mentionné ci-dessus, cette peau (2 ; 3) peut, selon un mode de réalisation préférentiel, comporter des moyens (non représentés) pour la solidarisation d'une telle armature de structure 4 à au moins un tel moyen de raccordement 6 des deux peaux (2 ; 3) de ce mur 1. Un tel moyen de solidarisation peut être constitué par une ligature, un sertissage, une soudure ou analogue.It will be observed that when a skin (2; 3) of the
Encore une autre caractéristique consiste en ce qu'un tel mur à coffrage perdu 1 comporte au moins un moyen 7 pour la liaison de ce mur 1 avec un autre mur 1' au moins similaire (voire identique), juxtaposé et situé dans son prolongement.Yet another feature is that such a
On observera qu'un tel moyen de liaison 7 équipe l'un au moins des côtés latéraux (10 ; 10a) du mur à coffrage perdu 1.It will be observed that such a connecting
De préférence, un tel mur à coffrage perdu 1 comporte une pluralité de ces moyens de liaison 7 qui peuvent, alors, être répartis, notamment de manière régulière, au niveau de l'un au moins des côtés latéraux (10, 10a) de ce mur 1.Preferably, such a
Un tel moyen de liaison 7 comporte une première portion 70 s'étendant à l'intérieur du mur 1 ainsi qu'une deuxième portion 71 s'étendant à l'extérieur de ce mur 1, latéralement par rapport au bord latéral 11 de ce mur 1, et dans le prolongement du volume interne 5 de ce mur 1.Such a connecting
En fait, la deuxième portion 71 d'un moyen de liaison 7 que comporte un mur à coffrage perdu 1 est destinée à s'étendre à l'intérieur du volume interne 5' que comporte un autre mur à coffrage perdu 1', au moins similaire (voire identique) à ce mur 1, juxtaposé et situé dans le prolongement de ce mur 1 (
Selon l'invention, le moyen de liaison 7 est constitué par un câble flexible 8, d'une part, conformé en sorte de définir une boucle 80 constituant au moins une partie de la deuxième portion 71 de ce moyen de liaison 7 et, d'autre part, comportant deux brins (81 ; 81a), chacun s'étendant à partir de la boucle 80 de ce câble flexible 8, tandis que la première portion 70 de ce moyen de liaison 7 est constituée par au moins une partie de chacun de ces deux brins (81 ; 81a) qui s'étend, chacune, à l'intérieur du mur 1.According to the invention, the connecting
Tel que mentionné ci-dessus, un tel moyen de liaison 7 équipe l'un au moins des côtés latéraux (10 ; 10a) du mur à coffrage perdu 1.As mentioned above, such a connecting
Cependant et selon un mode de réalisation préféré de l'invention, le mur 1 de l'invention présente deux côtés latéraux (10 ; 10a) équipés, chacun, d'au moins un tel moyen de liaison (7 ; 7a), voire (et de préférence comme illustré
Tel que mentionné ci-dessus, un tel moyen de liaison 7 comporte une première portion 70 constituée par au moins une partie (82 ; 82a) de chacun des brins (81 ; 81a) du câble flexible 8.As mentioned above, such a connecting
Selon un premier mode de réalisation, les parties (82 ; 82a) de chacun des deux brins (81 ; 81a) du câble flexible 8 s'étendent, chacune, en tout ou partie à l'intérieur du volume interne 5 du mur 1.According to a first embodiment, the portions (82; 82a) of each of the two strands (81; 81a) of the
Un mode particulier de réalisation (non représenté) consiste, alors, en ce qu'une telle partie (82 ; 82a) de brins (81 ; 81a) s'étend intégralement à l'intérieur de ce volume interne 5 du mur 1. Dans un pareil cas, le mur 1 comporte des moyens pour la solidarisation de la première portion 70 du moyen de liaison 7 à au moins un moyen de raccordement 6 des deux peaux (2 ; 3) du mur 1.A particular embodiment (not shown) then consists in that such a portion (82; 82a) of strands (81; 81a) extends integrally within this
Selon un deuxième mode de réalisation, les parties (82 ; 82a) de chacun des deux brins (81 ; 81a) du câble flexible 8 s'étendent, chacune, en tout ou partie à l'intérieur d'une peau (2 ; 3) du mur 1.According to a second embodiment, the portions (82; 82a) of each of the two strands (81; 81a) of the
Tel que visible sur les figures en annexe, les parties (82 ; 82a) de chacun de ces brins (81 ; 81a) s'étendent, de préférence, en grande majorité à l'intérieur d'une telle peau (2 ; 3), plus particulièrement en étant noyées à l'intérieur d'une telle peau (2 ; 3). Dans un pareil cas, ces parties (82 ; 82a) de brins (81 ; 81a) s'étendent, également, partiellement (et de manière minoritaire) à l'intérieur du volume interne 5 du mur 1.As can be seen in the appended figures, the portions (82; 82a) of each of these strands (81; 81a) preferably extend for the most part inside such a skin (2; 3). , more particularly by being embedded inside such a skin (2; 3). In such a case, these portions (82; 82a) of strands (81; 81a) also extend, partially (and in a minority way) inside the
On observera que, lorsqu'une partie (82 ; 82a) de chacun des brins (81 ; 81a) du câble flexible 8 s'étend à l'intérieur d'une peau (2 ; 3), c'est, plus particulièrement, une portion d'extrémité, que comporte chacun de ces brins (81 ; 81a), et qui s'étend, chacune, à l'intérieur d'une peau (2 ; 3) de ce mur 1.It will be observed that when a part (82; 82a) of each of the strands (81; 81a) of the
Selon un premier mode de réalisation, lorsqu'une telle partie (82 ; 82a) de brin (81 ; 81a) s'étend à l'intérieur d'une peau (2 ; 3), l'ancrage de cette partie (82 ; 82a) de brin (81 ; 81a) peut être assuré uniquement au travers de la coopération entre une telle partie (82 ; 82a) de brin (81 ; 81a) et le matériau de cette peau (2 ; 3).According to a first embodiment, when such a portion (82; 82a) strand (81; 81a) extends within a skin (2; 3), the anchoring of this portion (82; 82a) (81; 81a) can be provided solely through cooperation between such a strand portion (82; 82a) (81; 81a) and the skin material (2; 3).
Cependant et selon un autre mode de réalisation, le mur 1 comporte des moyens 9 pour la solidarisation de la première portion 70 du moyen de liaison 7 à au moins un moyen de raccordement 6 des deux peaux (2 ; 3) et/ou à au moins une armature de structure 4, lorsqu'une telle peau (2 ; 3) intègre une telle armature 4.However, according to another embodiment, the
En fait, les moyens 9 pour la solidarisation de la première portion 70 du moyen de liaison 7 peuvent être constitués par un sertissage, une ligature, une soudure ou analogue.In fact, the
Une caractéristique additionnelle consiste en ce que chacun des deux brins (81 ; 81a) du câble de liaison 8 comporte une extrémité distale pourvue d'un moyen pour son ancrage dans le matériau d'une peau (2 ; 3) du mur 1 (ceci lors de la fabrication du mur 1 en usine) ou dans le matériau de remplissage du volume interne 5 du mur 1 (ceci après implantation de ce mur 1 sur site).An additional feature is that each of the two strands (81; 81a) of the connecting
Tel que mentionné ci-dessus, le moyen de liaison 7 comporte une deuxième portion 71 s'étendant à l'extérieur du mur 1, latéralement par rapport au bord latéral (10 ; 10a) de ce mur 1, et dans le prolongement du volume interne 5 de ce mur 1.As mentioned above, the connecting
Selon une première caractéristique, cette deuxième portion 71 du moyen de liaison 7 présente une longueur choisie en sorte que, après juxtaposition de ce mur 1 avec un autre mur 1' (similaire ou, et de préférence, identique), cette deuxième portion 71 du moyen de liaison 7 s'étende à l'intérieur du volume interne 5' de cet autre mur 1' et recouvre, au moins en partie, au moins un moyen de liaison 7' et/ou au moins un moyen de raccordement 6' que comporte cet autre mur 1 (
Un tel type de recouvrement permet, avantageusement, d'améliorer la transmission des efforts entre les deux murs (1 ; 1') juxtaposés.Such a type of covering advantageously makes it possible to improve the transmission of forces between the two walls (1; 1 ') juxtaposed.
Une autre caractéristique consiste en ce que cette deuxième portion 71 du moyen de liaison 7 est au moins en partie constituée par une boucle 80 que forme le câble flexible 8.Another feature is that this
En fait, le câble flexible 8 de cette deuxième portion 71 de ce moyen de liaison 7 est conformé, soit en boucle fermée, soit (et de préférence) en boucle ouverte.In fact, the
Une caractéristique additionnelle consiste en ce que le câble flexible 8 est de type élastique. Ceci permet, avantageusement, à un tel câble 8 de se déformer au passage d'un obstacle (plus particulièrement constitué par un moyen de liaison 7' ou par un moyen de raccordement 7' que comporte un mur 1' juxtaposé) et, après le passage de cet obstacle, de retrouver sa forme initiale.An additional feature is that the
Finalement, un tel câble élastique 8 est réalisé en un matériau métallique, notamment de l'acier, plus particulièrement de l'acier inoxydable.Finally, such an
Claims (12)
- Permanent formwork wall (1), including:- two skins (2, 3) made of concrete or the like, arranged one (2; 3) facing the other (3; 2), substantially parallel and spaced apart, so as to define an internal volume (5) between them;- at least one means (6) for connecting these two skins (2, 3) to each other;- at least one means (7) for connecting this wall (1) to another at least similar juxtaposed wall (1') located in its extension, such connecting means (7) being provided on at least one of the lateral sides (10; 10a) of the wall (1) and including a first portion (70) extending inside the wall (1) as well as a second portion (71) extending outside this wall (1), laterally relative to the lateral edge (11) of this wall (1) and in the extension of the internal volume (5) of this wall (1), wherein:- the connecting means (7) is formed of a flexible cable (8), on the one hand, shaped so as to define a loop (80) forming at least part of the second portion (71) of this connecting means (7) and, on the other hand, including two strands (81; 81a) extending each from the loop (80) of this flexible cable (8), while the first portion (70) of this connecting means (7) is formed of at least part of each of these two strands (81; 81a), which each extend inside the wall (1).
- Permanent formwork wall (1) according to claim 1, wherein the wall (1) has two lateral sides (10; 10a) each provided with at least one such connecting means (7).
- Permanent formwork wall (1) according to any one of the preceding claims, wherein at least one skin (2, 3) of the wall (1) includes a structure reinforcement (4) extending inside such a skin (2; 3), or even means for making such a structure reinforcement (4) integral with at least one means (6) for connecting the two skins (2, 3) of the wall (1).
- Permanent formwork wall (1) according to any one of the preceding claims, wherein the wall (1) includes means (9) for making the first portion (70) of the connecting means (7) integral with, as the case may be, at least one means (6) for connecting the two skins (2, 3) and/or at least one structure reinforcement (4).
- Permanent formwork wall (1) according to any one of claims 3 or 4, wherein the means (9) for making integral are formed of a crimping, a ligature, a weld or the like.
- Permanent formwork wall (1) according to any one of the preceding claims, wherein the first portion (70) of the connecting means (7) is formed of at least a portion of each of the two strands (81 ; 81a) of the flexible cable (8) extending each fully or partially inside the internal volume (5) of the wall (1).
- Permanent formwork wall (1) according to any one of the preceding claims, wherein the first portion (70) of the connecting means (7) is formed of at least a portion of each of the two strands (81 ; 81a) of the flexible cable (8) extending each fully or partially inside a skin (2, 3) of the wall (1).
- Permanent formwork wall (1) according to claim 7, wherein each of the two strands (81; 81a) of the connecting cable (8) includes an end portion each extending inside a skin (2, 3) of the wall (1).
- Permanent formwork wall (1) according to any one of the preceding claims, wherein each of the two strands (81; 81a) of the connecting cable (8) includes a distal end provided with means for its anchoring into the material, as the case may be, of a skin (2, 3) of the wall (1) or for filling the internal volume (5) of the wall (1).
- Permanent formwork wall (1) according to any one of the preceding claims, wherein the second portion (71) of the connecting means (7) has a length chosen such that, after juxtaposition of this wall (1) with another wall (1'), this second portion (71) of the connecting means (7) extends inside the internal volume (5') of this other wall (1') and covers, at least partially, at least one connecting means (7) and/or at least one means (6) for connection the other wall (1) includes.
- Permanent formwork wall (1) according to any one of the preceding claims, wherein the flexible cable (8) of the second portion (71) of the connecting means (7) is shaped either in closed loop or in open loop.
- Permanent formwork wall (1) according to any one of the preceding claims, wherein the flexible cable (8) is of the resilient type and/or is made of a metallic material, in particular of steel, more particularly of stainless steel.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1058120A FR2965829B1 (en) | 2010-10-07 | 2010-10-07 | WALL WITH LOST FORMWORK WITH CONNECTING CABLE. |
Publications (2)
Publication Number | Publication Date |
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EP2439352A1 EP2439352A1 (en) | 2012-04-11 |
EP2439352B1 true EP2439352B1 (en) | 2015-05-13 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP20110306299 Active EP2439352B1 (en) | 2010-10-07 | 2011-10-06 | Permanent formwork wall with connecting cablet |
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EP (1) | EP2439352B1 (en) |
FR (1) | FR2965829B1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
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AT514300B1 (en) * | 2013-04-15 | 2015-10-15 | Kappema Fertigteilindustrie Gmbh | building |
EP2873781B1 (en) | 2013-11-19 | 2016-03-16 | FEHR Groupe | Permanent form wall with rigid connecting means |
CN106013530B (en) * | 2014-08-29 | 2019-01-04 | 中国建筑第八工程局有限公司 | The reinforcement structure of concrete shear force wall based on 3D printing |
CN105908861B (en) * | 2014-08-29 | 2019-01-04 | 中国建筑第八工程局有限公司 | A kind of arrangement of reinforcement method of 3D printing reinforced masonry shear wall |
CN106003365B (en) * | 2014-11-14 | 2018-05-08 | 中国建筑第八工程局有限公司 | Insulation construction based on 3D printing reinforced masonry |
CN104514305B (en) * | 2014-12-23 | 2017-06-30 | 中国建筑第八工程局有限公司 | 3D printing truss cassette ceiling and its construction method |
CN104532986B (en) * | 2014-12-23 | 2017-10-31 | 中国建筑第八工程局有限公司 | 3D printing internal partition wall and its construction method |
CN106088327B (en) * | 2014-12-23 | 2018-05-08 | 中国建筑第八工程局有限公司 | The production method of assembling frame column based on 3D printing |
US11248383B2 (en) | 2018-09-21 | 2022-02-15 | Cooper E. Stewart | Insulating concrete form apparatus |
FR3106349B1 (en) * | 2020-01-17 | 2024-09-06 | Spurgin Leonhart | Device for adjusting a connection between two wall panels with integrated formwork |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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FR2942824B1 (en) * | 2009-03-09 | 2016-07-01 | Fehr | INTEGRATED FORMWORK WALL WITH CONNECTION FRAME |
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- 2010-10-07 FR FR1058120A patent/FR2965829B1/en not_active Expired - Fee Related
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2011
- 2011-10-06 EP EP20110306299 patent/EP2439352B1/en active Active
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FR2965829A1 (en) | 2012-04-13 |
EP2439352A1 (en) | 2012-04-11 |
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