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EP2428624A1 - Insulating hinged formwork unit with a thickened portion - Google Patents

Insulating hinged formwork unit with a thickened portion Download PDF

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Publication number
EP2428624A1
EP2428624A1 EP10305968A EP10305968A EP2428624A1 EP 2428624 A1 EP2428624 A1 EP 2428624A1 EP 10305968 A EP10305968 A EP 10305968A EP 10305968 A EP10305968 A EP 10305968A EP 2428624 A1 EP2428624 A1 EP 2428624A1
Authority
EP
European Patent Office
Prior art keywords
block
wall
extra thickness
blocks
formwork according
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
EP10305968A
Other languages
German (de)
French (fr)
Other versions
EP2428624B1 (en
Inventor
Paul Schreer
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.)
Euromac 2 SARL
Original Assignee
Euromac 2 SARL
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 Euromac 2 SARL filed Critical Euromac 2 SARL
Priority to EP20100305968 priority Critical patent/EP2428624B1/en
Priority to PCT/FR2011/051846 priority patent/WO2012032238A2/en
Publication of EP2428624A1 publication Critical patent/EP2428624A1/en
Application granted granted Critical
Publication of EP2428624B1 publication Critical patent/EP2428624B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2/14—Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element
    • E04B2/16—Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element using elements having specially-designed means for stabilising the position
    • E04B2/18—Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element using elements having specially-designed means for stabilising the position by interlocking of projections or inserts with indentations, e.g. of tongues, grooves, dovetails
    • 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
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2/14—Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element
    • E04B2/26—Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element the walls being characterised by fillings in all cavities in order to form a wall construction
    • 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
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2002/0256—Special features of building elements
    • E04B2002/0263—Building elements for making angled walls

Definitions

  • the field of the present invention is that of insulating shuttering blocks, used in particular for the construction of building walls.
  • the invention more particularly relates to a block intended to form a joint when assembled with another similar block.
  • a block intended to cooperate with another similar block, in order not to be aligned, but to be angularly offset, so as to create a more or less open angle between two walls.
  • This block thus has a rounded convex portion, rotatable in a concave complementary area of the complementary block.
  • Each block therefore has both a convex rounded portion, and, offset but aligned in the axis of this rounded convex portion, a concave rounded portion.
  • the convex portion of a block cooperates with the concave portion of another such block and vice versa, to obtain a pair of blocks that can be angularly offset relative to each other. It is thus possible to form angular walls, and this, ensuring a continuity of surface by the rounded circular.
  • the present invention aims to overcome these disadvantages by proposing an insulating shuttering block, whose outer wall is thicker than the inner wall, which can cooperate with another such block so as to obtain a pair of formwork blocks, orientable l relative to each other, and regardless of the opening angle of the blocks, sealing for the cast material and creating continuous surfaces at least on the largest angle side between these blocks.
  • the subject of the invention is an insulating shuttering block, intended for the production of walls, essentially consisting of a wall an outer wall, connected to the latter by means of spacers, and an end portion, which extends at one end of said block being connected to the corresponding ends of the inner wall and the outer wall; and which comprises at least a part of a means of mutual connection with another such block, so that their assembly allows to obtain different orientations of one with respect to the other about an axis.
  • This block is characterized in that the outer wall and the end portion are supplemented by an extra thickness substantially delimited by the extension of the inner wall, and in that, when two such blocks are assembled, the outer wall and the extra thickness of one block are substantially delimited by the extra thickness of the other block.
  • the invention therefore relates to a block 1 of insulating formwork, intended for the production of walls, consisting essentially of an inner wall 2, an outer wall 3, connected to the latter by means of spacers 18, and a part of end 19, which extends at one end 4 of said block 1 being connected to the corresponding ends of the inner wall 2 and the outer wall 3, and which comprises at least a part of a means of mutual connection with another such block 1, so that their assembly allows to obtain different orientations of the one by
  • the spacers 18, which make it possible to fix the inner wall 2 to the outer wall 3, are metal spacers 18 which, during manufacture, are cast at each of their ends. in one of the two walls.
  • Such a block 1 is used for the production of walls, pouring concrete in the space created between the inner wall 2 and the outer wall 3. It aims to be assembled to another similar block 1, so that thus create a pair of blocks 1 which can be aligned or form an opening angle 13, measured on the inside of the wall, that is to say on the side of the inner walls 2, more or less large.
  • a pair of blocks 1 thus forms a hinge which can be more or less open, the blocks 1 can take several positions relative to each other about the axis 6, by rotation around the latter.
  • the mutual linking means participates in defining these positions, which may be in finite or infinite number.
  • the mutual connection means guides the rotational movement of a block 1 with respect to the other around the axis 6, and / or fixes a block 1 relative to the other in an angular position. relative. It can therefore be the cooperation of a male element and a female element, such as a groove and a rib, or the cooperation of surfaces in contact, such as planes leaning against each other when the blocks 1 have a particular opening angle 13.
  • the blocks 1 according to the invention thus make it possible to possibly produce left walls for a building.
  • the inner wall 2 and the outer wall 3 are furthermore made of an insulating material, such as expanded polystyrene.
  • the stack of an outer wall 3 of insulation, a layer of concrete, then an inner wall 2 provides a wall both solid and having good insulating capabilities.
  • the block 1 has the shape of a parallelepiped presenting an advance 8 creating an interface plane 9 located approximately halfway up the block 1, that is to say at equidistance from an upper plane 11 and a lower plane 12 delimiting the block 1, so that when two such blocks 1 are assembled, their interface planes 9 are substantially common.
  • the axis 6 is perpendicular to the upper planes 11 and lower 12.
  • the interface plane 9 therefore separates the block 1, on the one hand, in an upper part 16, extending between the interface plane 9 and the upper plane 11, and, on the other hand, in a lower part 17, extending between the plane of interface 9 and the lower plane 12.
  • the end 4 is located at the top 16 of the block 1 and forms the advanced 8.
  • the block 1 has, in addition, an assembly axis 21, perpendicular to the inner wall 2 of the latter, parallel and equidistant from its upper planes 11 and lower 12 and intersecting the axis 6.
  • the assembly of two blocks 1 is then made from an imaginary configuration where they are both at the same place and in the same position, by subjecting one of the two blocks 1 a rotation of 180 ° around the axis d assembly 21 of one or the other block 1.
  • the outer walls 3 are on the same side, the axes 6 are common, as well as the interface planes 9 and the axes assembly 21, the upper portion 16 of one being at the lower portion 17 of the other.
  • the outer wall 3 and the end portion 19 are supplemented by an excess thickness 7 substantially delimited by the extension of the inner wall 2, and when two such blocks 1 are assembled, the outer wall 3 and the extra thickness 7 of a block 1 are substantially delimited by the extra thickness 7 of the other block 1, in each angular relative position that can take the pair of assembled blocks 1.
  • the extra thickness 7 has a circular shape, which creates a rounded fillet that guarantees a surface continuity on the wide angle side when the opening angle 13 is less than 180 degrees.
  • a polygonal shape can also be considered for the extra thickness 7, the wide angle of the joint being then decomposed into a finite number of facets.
  • this extra thickness 7 is intended to further improve the insulation capabilities.
  • the end portion 19, located at the end 4 of said block 1 has the shape of a rounded portion 10 joining the inner wall 2 and the outer wall 3, the excess thickness 7 having it also has a rounded shape at the end 4.
  • the figure 1 illustrates the upper portion 16 of the block 1.
  • This upper portion 16 comprises a portion of the inner wall 2, the outer wall 3 and the end portion 19.
  • the end portion 19 forms a rounded portion 10 thus presenting itself as a hollow tube half, centered on the axis 6 of the block 1, itself located equidistant from the inner wall 2 and the outer wall 3.
  • the excess thickness 7 is present along the entire outer wall 3 and extends along the end portion 19, in a similar shape section to the latter. It thus takes the form of a portion of hollow tube in the embodiment of the figure 1 .
  • the thickness of the excess thickness 7 is homogeneous.
  • the excess thickness 7 is, in the upper part 16 of the block 1 and at the end portion 19, delimited by the extension of the inner wall 2.
  • the inner wall 2 is defined, on the one hand, by a first external plane 15 of the block 1, delimiting said block 1 on the side of the dwelling, that is to say on the inside of the wall formed by the formwork, and, on the other hand, by a first internal plane 20 located vis-à-vis.
  • the excess thickness 7 is, among other things, arranged at the end portion 19, but is delimited by the first internal plane 20.
  • the extra thickness 7 thus extends to the inner wall 2 helps to ensure the tightness of the outer side of the wall when the block pair 1 has an opening angle 13 less than 180 degrees.
  • the extra thickness 7 extending along the end portion 19 ensures the surface continuity of the outer side of the wall.
  • the circular shape of the excess thickness 7 at the rounded portion 10 ensures a perfect surface continuity of the pair of assembled blocks 1.
  • the two walls created are connected, on the wide angle side separating them, by a regular and continuous circular fillet, this surface continuity being guaranteed by the allowance 7 s extending at the end portion 19.
  • the end portion 19 and the portion of the extra thickness 7 which extends along the latter may have a polygonal and non-circular shape, thus ensuring a continuity of satisfactory surface at predefined opening angles 13, thanks to a decomposition of the corner into several facets formed by said polygonal shape.
  • the figure 2 illustrates the lower portion 17 of the block 1, wherein it comprises a portion of the outer wall 3 and the wall 2.
  • the inner wall 2 and the outer wall 3 are further connected at their end so as to prevent access, by the cast material, to the cavity formed by the hollow of the end portion 19.
  • the inner wall 2 is delimited, at its lower part 17, by a circle of the same radius as that in which the outer shape of the 'rounded 10 forming the end portion 19.
  • the outer wall 3 and the extra thickness 7 are delimited, at the lower part 17, by a circle of the same radius as that in which the shape outer of the excess thickness 7 at the rounding 10.
  • the lower part 17 of a block 1 is thus delimited by the contour obtained after a rotation of its upper part 16 by an angle of 180 degrees around its assembly axis 21, and also by the contour obtained after at least one possible additional rotation about the axis 6.
  • This rotation about the axis 6 corresponds to the angle between the alignment position of the assembled blocks 1 and another position in which the outer wall 3 and the extra thickness 7 of a block 1 are substantially delimited by the extra thickness 7 of the other block 1.
  • figure 2 shows again that in the lower part 17 neither the inner wall 2 nor the outer wall 3 extend beyond the axis 6.
  • the shuttering block 1 is provided at its interface plane 9 with at least one of the two parts of the mutual connection means, in particular a male element and / or a female element.
  • the block 1 is only provided with the male element of the mutual connection means.
  • the block 1 then has a male protruding element, such as at least one rib or a stud, intended to cooperate with a complementary shape at the level of another block 1.
  • the block 1 is provided with the female element of the mutual connection means. It therefore has, at the interface plane 9, at least one female element forming a cavity, such as a hole for a pin, a groove or a groove.
  • a block 1 is compatible with a block 1 of the previous embodiment.
  • the cooperation of the male part and the female part can provide guidance in the rotational movement, around their common axis, of two assembled blocks 1, as is the case with the circular groove and rib of the realization of the figures.
  • the cooperation can also create blocked angular positions, as in the case of a cooperation between a pin and cavities or between bearing planes parallel to the axis 6, for example, if the mutual connection means has a shape polygonal.
  • the block 1 is provided with both the male element and the female element of the connecting means.
  • the male element may be a circular rib portion, projecting from the interface plane 9, the female element then being a circular groove portion of the same diameter.
  • the male element and the female element succeed each other in the interface plane 9, the male element being found, after symmetry of an angle of 180 ° around the assembly axis 21, in the element female.
  • the mutual connection means has a polygonal shape, thus allowing, when two such blocks 1 are assembled to each other, a finite number of orientations between them.
  • the mutual connection means thus consists of a polygonal rib cooperating with a polygonal groove of similar shape.
  • the use of a means of mutual connection of polygonal shape limits to the number of its sides the maximum number of angular position that can take a pair of assembled blocks 1.
  • the mutual connection means has a circular shape, thus allowing, when two such blocks 1 are assembled to each other, an infinite number of orientations between them.
  • the mutual connection means thus takes the form of both a circular groove, arranged in the interface plane 9 of a block 1 and a circular rib, arranged in the interface plane 9 of another block 1
  • the circular rib and groove have the same radius and are both centered on the axis 6.
  • the two blocks 1 can therefore freely rotate relative to each other about the axis 6, the connecting means mutual relationship forming a pivot connection between them.
  • the end portion 19 and the extra thickness 7 which covers it are circular, the means of mutual connection being of polygonal shape.
  • the circular allowance 7 thus ensures a perfectly rounded and perfectly continuous fillet on the wide angle side, for all possible opening angles 13, while the mutual connection means limits the number of possible opening angles 13.
  • the excess thickness 7 has predetermined areas of weakness in order to facilitate breakage, thereby allowing a greater range of possible orientations between two blocks 1 assembled to one another. These zones of weakness are found in the upper part 16 and possibly also in the lower part 17 of the block 1. These areas of weakness facilitate the breaking of the excess thickness 7, thus making it possible to reach opening angles 13 greater than 180 ° between two blocks 1 assembled.
  • the excess thickness 7, at the top 16 of a block 1 and for its part extending along the end portion 19, is therefore broken, or sawed, or otherwise, for contact the inner wall 2 at the lower portion 17 of the other block 1 in a configuration having a large opening angle 13. This contributes to the range of motion and the tightness of the inner side of the Wall.
  • the excess thickness 7 of the lower portion 17 of a block 1 is, if necessary, adjusted to lead to the extra thickness 7 of the upper portion 16 of the other block 1, extending along its outer wall 3, which contributes to both the amplitude and the tightness of the pair of blocks 1 assembled.
  • the end portion 19 contributes to the surface continuity of the interior side of the wall.
  • the inner wall 2 has predetermined areas of weakness in order to facilitate breakage, thereby allowing greater amplitude. possible orientations between two blocks 1 assembled to one another.
  • the inner wall 2, at the bottom 17, therefore has a predetermined breaking pattern, in order to come into contact with the inner wall 2 of the other block 1, at its upper portion 16. This contact contributes to the tightness of the inner side of the wall.
  • the excess thickness 7 is at least partially reported on the rest of the block 1. It is therefore an additional component, manufactured independently, fixed on the rest of the block 1 at the outer wall 3. Alternatively, and as c is the case in the illustrated embodiment, the extra thickness 7 is integral with the rest of the block 1. The extra thickness 7 is part of the block 1 and is not manufactured separately.
  • the continuity of the surface, on the side of the largest angle formed by the articulation between the two blocks 1, is thus guaranteed, in the case of an opening angle 13 greater than 180 degrees, by the part d end 19, in the upper part 16, which comes to form a part of the inner side of the assembly of the two blocks 1, and, in the case of an opening angle 13 less than 180 degrees, by the part of the thickening 7 extending along of the end portion 19, in the upper part 16, which comes to form a part of the outer face of the block assembly 1.
  • the amplitude of the articulation is thus preferably obtained, for an opening angle 13 greater than 180 degrees, on the one hand, by adjusting, if necessary, the extra thickness 7, extending along the end portion 19 in the upper part 16 of a block 1, to the inner wall 2 of the lower part 17 of the other block 1, and secondly, by adjusting, if necessary, the extra thickness 7 in the lower part 17 d a block 1 at the extra thickness 7 of the upper part 16 of the other block 1, and, for an opening angle 13 less than 180 degrees, by adjusting, if necessary, the inner wall 2 of the lower part 17 from one block 1 to the inner wall 2 of the upper part 16 of the other block 1.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Load-Bearing And Curtain Walls (AREA)

Abstract

The block (1) has tie bars (18) connecting inner and outer walls, and an end part connected to corresponding ends of the walls. The end part comprises a portion e.g. male or female element such as rib or groove, of a mutual connection unit so as to be connected with another block. The outer wall and the end part are completed by a reinforcement of the former block delimited by elongation of the inner wall. The outer wall and the reinforcement are delimited by a reinforcement of the latter block when the blocks are assembled by the mutual connection unit.

Description

Le domaine de la présente invention est celui des blocs de coffrage isolants, utilisés notamment pour la réalisation de mur de bâtiments. L'invention a plus particulièrement pour objet un bloc destiné à former une articulation lorsqu'il est assemblé avec un autre bloc similaire.The field of the present invention is that of insulating shuttering blocks, used in particular for the construction of building walls. The invention more particularly relates to a block intended to form a joint when assembled with another similar block.

On connaît, par FR-A-2 629 503 , un bloc destiné à coopérer avec un autre bloc similaire, dans le but, non pas d'être alignés, mais de pouvoir être décalés angulairement, de sorte à créer un angle plus ou moins ouvert entre deux parois. Ce bloc présente ainsi une portion arrondie convexe, pouvant tourner dans une zone complémentaire concave du bloc complémentaire. Chaque bloc présente donc, à la fois, une portion arrondie convexe, et, de façon décalée mais alignée dans l'axe de cette portion arrondie convexe, une portion arrondie concave. La portion convexe d'un bloc coopère avec la portion concave d'un autre tel bloc et inversement, afin d'obtenir un couple de blocs qui peuvent être décalés angulairement l'un par rapport à l'autre. Il est ainsi possible de coffrer des parois anguleuses, et ce, en garantissant une continuité de surface de par les arrondis circulaires.We know, by FR-A-2 629 503 , a block intended to cooperate with another similar block, in order not to be aligned, but to be angularly offset, so as to create a more or less open angle between two walls. This block thus has a rounded convex portion, rotatable in a concave complementary area of the complementary block. Each block therefore has both a convex rounded portion, and, offset but aligned in the axis of this rounded convex portion, a concave rounded portion. The convex portion of a block cooperates with the concave portion of another such block and vice versa, to obtain a pair of blocks that can be angularly offset relative to each other. It is thus possible to form angular walls, and this, ensuring a continuity of surface by the rounded circular.

Néanmoins, les nouvelles normes d'isolation imposent d'avoir une épaisseur d'isolant plus importante du côté extérieur du mur que du côté intérieur. Les blocs isolants articulés actuels, du fait de leur symétrie, ne sont pas adaptables à des épaisseurs différentes de part et d'autre de la coulée de béton. La continuité de la surface et l'étanchéité à tous les angles d'ouverture ainsi qu'une grande amplitude angulaire ne peuvent aujourd'hui pas être combinées simplement en rajoutant une surépaisseur du côté extérieur du bloc.Nevertheless, the new insulation standards require a greater thickness of insulation on the outside of the wall than on the inside. Current articulated insulating blocks, because of their symmetry, are not adaptable to different thicknesses on either side of the concrete casting. The continuity of the surface and the tightness at all the opening angles as well as a large angular amplitude can not today be combined simply by adding an extra thickness on the outside of the block.

La présente invention a pour but de pallier ces inconvénients en proposant un bloc de coffrage isolant, dont la paroi extérieure est plus épaisse que la paroi intérieure, pouvant coopérer avec un autre tel bloc de sorte à obtenir un couple de blocs de coffrage, orientable l'un par rapport à l'autre, et, quel que soit l'angle d'ouverture des blocs, étanche pour la matière coulée et créant des surfaces continues au moins du côté du plus grand angle entre ces blocs.The present invention aims to overcome these disadvantages by proposing an insulating shuttering block, whose outer wall is thicker than the inner wall, which can cooperate with another such block so as to obtain a pair of formwork blocks, orientable l relative to each other, and regardless of the opening angle of the blocks, sealing for the cast material and creating continuous surfaces at least on the largest angle side between these blocks.

A cet effet, l'invention a pour objet un bloc de coffrage isolant, destiné à la réalisation de murs, essentiellement constitué par une paroi intérieure, une paroi extérieure, reliée à cette dernière au moyen d'entretoises, et une partie d'extrémité, qui s'étend au niveau d'une extrémité dudit bloc en étant reliée aux extrémités correspondantes de la paroi intérieure et de la paroi extérieure, et qui comporte au moins une partie d'un moyen de liaison mutuelle avec un autre tel bloc, de sorte que leur assemblage permette d'obtenir différentes orientations de l'un par rapport à l'autre autour d'un axe. Ce bloc est caractérisé en ce que la paroi extérieure et la partie d'extrémité sont complétées par une surépaisseur sensiblement délimitée par le prolongement de la paroi intérieure, et en ce que, lorsque deux tels blocs sont assemblés, la paroi extérieure et la surépaisseur d'un bloc sont sensiblement délimitées par la surépaisseur de l'autre bloc.For this purpose, the subject of the invention is an insulating shuttering block, intended for the production of walls, essentially consisting of a wall an outer wall, connected to the latter by means of spacers, and an end portion, which extends at one end of said block being connected to the corresponding ends of the inner wall and the outer wall; and which comprises at least a part of a means of mutual connection with another such block, so that their assembly allows to obtain different orientations of one with respect to the other about an axis. This block is characterized in that the outer wall and the end portion are supplemented by an extra thickness substantially delimited by the extension of the inner wall, and in that, when two such blocks are assembled, the outer wall and the extra thickness of one block are substantially delimited by the extra thickness of the other block.

L'invention sera mieux comprise, grâce à la description ci-après, qui se rapporte à un mode de réalisation préféré, donné à titre d'exemple non limitatif, et expliqué avec référence aux dessins schématiques annexés, dans lesquels :

  • la figure 1 schématise un bloc selon l'invention, dans sa partie dite supérieure;
  • la figure 2 schématise un bloc selon l'invention, dans sa partie dite inférieure;
  • la figure 3 montre une vue de côté d'un bloc selon l'invention;
  • la figure 4 est une vue de face d'un bloc selon l'invention;
  • la figure 5 montre une paire de blocs selon l'invention, assemblés, légèrement fermée;
  • la figure 6 montre une paire de blocs selon l'invention assemblés et alignés, et
  • la figure 7 donne une vue de profil d'un bloc selon l'invention.
The invention will be better understood, thanks to the following description, which refers to a preferred embodiment, given by way of non-limiting example, and explained with reference to the attached schematic drawings, in which:
  • the figure 1 schematizes a block according to the invention, in its so-called upper part;
  • the figure 2 schematizes a block according to the invention, in its so-called lower part;
  • the figure 3 shows a side view of a block according to the invention;
  • the figure 4 is a front view of a block according to the invention;
  • the figure 5 shows a pair of blocks according to the invention, assembled, slightly closed;
  • the figure 6 shows a pair of blocks according to the invention assembled and aligned, and
  • the figure 7 gives a profile view of a block according to the invention.

L'invention a donc pour objet un bloc 1 de coffrage isolant, destiné à la réalisation de murs, essentiellement constitué par une paroi intérieure 2, une paroi extérieure 3, reliée à cette dernière au moyen d'entretoises 18, et une partie d'extrémité 19, qui s'étend au niveau d'une extrémité 4 dudit bloc 1 en étant reliée aux extrémités correspondantes de la paroi intérieure 2 et de la paroi extérieure 3, et qui comporte au moins une partie d'un moyen de liaison mutuelle avec un autre tel bloc 1, de sorte que leur assemblage permette d'obtenir différentes orientations de l'un par rapport à l'autre autour d'un axe 6. Les entretoises 18, qui permettent de fixer la paroi intérieure 2 à la paroi extérieure 3, sont des entretoises 18 métalliques, qui, lors de la fabrication, sont coulées à chacune de leurs extrémités dans une des deux parois.The invention therefore relates to a block 1 of insulating formwork, intended for the production of walls, consisting essentially of an inner wall 2, an outer wall 3, connected to the latter by means of spacers 18, and a part of end 19, which extends at one end 4 of said block 1 being connected to the corresponding ends of the inner wall 2 and the outer wall 3, and which comprises at least a part of a means of mutual connection with another such block 1, so that their assembly allows to obtain different orientations of the one by The spacers 18, which make it possible to fix the inner wall 2 to the outer wall 3, are metal spacers 18 which, during manufacture, are cast at each of their ends. in one of the two walls.

Un tel bloc 1 est utilisé pour la réalisation de murs, en coulant du béton dans l'espace créé entre la paroi intérieure 2 et la paroi extérieure 3. Il a pour but d'être assemblé à un autre bloc 1 similaire, de sorte à créer ainsi un couple de blocs 1 qui peuvent être alignés ou former un angle d'ouverture 13, mesuré du côté intérieur du mur, c'est-à-dire du côté des parois intérieures 2, plus ou moins grand. Un couple de blocs 1 forme donc une articulation qui peut être plus ou moins ouverte, les blocs 1 pouvant prendre plusieurs positions l'un par rapport à l'autre autour de l'axe 6, par rotation autour de ce dernier. Le moyen de liaison mutuelle participe à définir ces positions, qui peuvent être en nombre fini ou infini.Such a block 1 is used for the production of walls, pouring concrete in the space created between the inner wall 2 and the outer wall 3. It aims to be assembled to another similar block 1, so that thus create a pair of blocks 1 which can be aligned or form an opening angle 13, measured on the inside of the wall, that is to say on the side of the inner walls 2, more or less large. A pair of blocks 1 thus forms a hinge which can be more or less open, the blocks 1 can take several positions relative to each other about the axis 6, by rotation around the latter. The mutual linking means participates in defining these positions, which may be in finite or infinite number.

Le moyen de liaison mutuelle, décrit plus loin, guide le mouvement de rotation d'un bloc 1 par rapport à l'autre autour de l'axe 6, et/ou fixe un bloc 1 par rapport à l'autre dans une position angulaire relative. Il peut donc s'agir de la coopération d'un élément mâle et d'un élément femelle, comme une rainure et une nervure, ou de la coopération de surfaces en contact, comme des plans s'appuyant l'un contre l'autre lorsque les blocs 1 présentent un angle d'ouverture 13 particulier.The mutual connection means, described below, guides the rotational movement of a block 1 with respect to the other around the axis 6, and / or fixes a block 1 relative to the other in an angular position. relative. It can therefore be the cooperation of a male element and a female element, such as a groove and a rib, or the cooperation of surfaces in contact, such as planes leaning against each other when the blocks 1 have a particular opening angle 13.

Il est ainsi possible de réaliser des coffrages pour des parois formant entre elles des angles d'ouverture 13 différents de 180 degrés et, plus précisément, des angles non plats entre des parois planes. Les blocs 1 selon l'invention permettent donc de réaliser éventuellement des parois gauches pour un bâtiment. La paroi intérieure 2 et la paroi extérieure 3 sont, en outre, réalisées avec une matière isolante, telle que du polystyrène expansé. L'empilement d'une paroi extérieure 3 d'isolant, d'une couche de béton, puis d'une paroi intérieure 2, permet d'obtenir un mur à la fois solide et présentant de bonnes capacités d'isolation.It is thus possible to form forms for walls forming between them angles of opening 13 different from 180 degrees and, more precisely, non-flat angles between flat walls. The blocks 1 according to the invention thus make it possible to possibly produce left walls for a building. The inner wall 2 and the outer wall 3 are furthermore made of an insulating material, such as expanded polystyrene. The stack of an outer wall 3 of insulation, a layer of concrete, then an inner wall 2, provides a wall both solid and having good insulating capabilities.

De plus, dans le mode de réalisation illustré, le bloc 1 a la forme d'un parallélépipède présentant une avancée 8 créant un plan d'interface 9 situé approximativement à mi hauteur du bloc 1, c'est-à-dire à équidistance d'un plan supérieur 11 et d'un plan inférieur 12 délimitant le bloc 1, de sorte que lorsque deux tels blocs 1 sont assemblés, leur plans d'interface 9 sont sensiblement communs. L'axe 6 est perpendiculaire aux plans supérieur 11 et inférieur 12. Le plan d'interface 9 sépare donc le bloc 1, d'une part, en une partie supérieure 16, s'étendant entre le plan d'interface 9 et le plan supérieur 11, et, d'autre part, en une partie inférieure 17, s'étendant entre le plan d'interface 9 et le plan inférieur 12. L'extrémité 4 se situe au niveau de la partie supérieure 16 du bloc 1 et forme l'avancée 8.In addition, in the illustrated embodiment, the block 1 has the shape of a parallelepiped presenting an advance 8 creating an interface plane 9 located approximately halfway up the block 1, that is to say at equidistance from an upper plane 11 and a lower plane 12 delimiting the block 1, so that when two such blocks 1 are assembled, their interface planes 9 are substantially common. The axis 6 is perpendicular to the upper planes 11 and lower 12. The interface plane 9 therefore separates the block 1, on the one hand, in an upper part 16, extending between the interface plane 9 and the upper plane 11, and, on the other hand, in a lower part 17, extending between the plane of interface 9 and the lower plane 12. The end 4 is located at the top 16 of the block 1 and forms the advanced 8.

Le bloc 1 présente, en outre, un axe d'assemblage 21, perpendiculaire à la paroi intérieure 2 de ce dernier, parallèle et équidistant par rapport à ses plans supérieur 11 et inférieur 12 et coupant l'axe 6. L'assemblage de deux blocs 1 se fait alors, à partir d'une configuration imaginaire où ils se trouvent tous deux au même endroit et dans la même position, en faisant subir à l'un des deux blocs 1 une rotation de 180° autour de l'axe d'assemblage 21 de l'un ou de l'autre bloc 1. Ainsi, lorsque deux blocs 1 sont assemblés, les parois extérieures 3 sont du même côté, les axes 6 sont communs, ainsi que les plans d'interface 9 et les axes d'assemblage 21, la partie supérieure 16 de l'un se trouvant au niveau de la partie inférieure 17 de l'autre.The block 1 has, in addition, an assembly axis 21, perpendicular to the inner wall 2 of the latter, parallel and equidistant from its upper planes 11 and lower 12 and intersecting the axis 6. The assembly of two blocks 1 is then made from an imaginary configuration where they are both at the same place and in the same position, by subjecting one of the two blocks 1 a rotation of 180 ° around the axis d assembly 21 of one or the other block 1. Thus, when two blocks 1 are assembled, the outer walls 3 are on the same side, the axes 6 are common, as well as the interface planes 9 and the axes assembly 21, the upper portion 16 of one being at the lower portion 17 of the other.

Selon l'invention, la paroi extérieure 3 et la partie d'extrémité 19 sont complétées par une surépaisseur 7 sensiblement délimitée par le prolongement de la paroi intérieure 2, et, lorsque deux tels blocs 1 sont assemblés, la paroi extérieure 3 et la surépaisseur 7 d'un bloc 1 sont sensiblement délimitées par la surépaisseur 7 de l'autre bloc 1, dans chaque position relative angulaire que peut prendre le couple de blocs 1 assemblés. Dans le mode de réalisation illustré, la surépaisseur 7 a une forme circulaire, ce qui crée un congé arrondi qui garantit une continuité de surface du côté du grand angle lorsque l'angle d'ouverture 13 est inférieur à 180 degrés. Une forme polygonale peut aussi être envisagée pour la surépaisseur 7, le grand angle de l'articulation étant alors décomposé en un nombre fini de facettes.According to the invention, the outer wall 3 and the end portion 19 are supplemented by an excess thickness 7 substantially delimited by the extension of the inner wall 2, and when two such blocks 1 are assembled, the outer wall 3 and the extra thickness 7 of a block 1 are substantially delimited by the extra thickness 7 of the other block 1, in each angular relative position that can take the pair of assembled blocks 1. In the illustrated embodiment, the extra thickness 7 has a circular shape, which creates a rounded fillet that guarantees a surface continuity on the wide angle side when the opening angle 13 is less than 180 degrees. A polygonal shape can also be considered for the extra thickness 7, the wide angle of the joint being then decomposed into a finite number of facets.

Comme précisé plus haut, cette surépaisseur 7 a pour but d'améliorer encore les capacités d'isolation. De plus, dans le mode de réalisation illustré, la partie d'extrémité 19, située à l'extrémité 4 dudit bloc 1, a la forme d'un arrondi 10 joignant la paroi intérieure 2 et la paroi extérieure 3, la surépaisseur 7 ayant elle aussi une forme arrondie au niveau de l'extrémité 4.As mentioned above, this extra thickness 7 is intended to further improve the insulation capabilities. In addition, in the illustrated embodiment, the end portion 19, located at the end 4 of said block 1, has the shape of a rounded portion 10 joining the inner wall 2 and the outer wall 3, the excess thickness 7 having it also has a rounded shape at the end 4.

La figure 1 illustre la partie supérieure 16 du bloc 1. Cette partie supérieure 16 comprend une partie de la paroi intérieure 2, de la paroi extérieure 3 et la partie d'extrémité 19. Dans le mode de réalisation de la figure 1, la partie d'extrémité 19 forme un arrondi 10 se présentant donc comme une moitié de tube creux, centré sur l'axe 6 du bloc 1, lui-même situé à égale distance de la paroi intérieure 2 et de la paroi extérieure 3. Dans la partie supérieure 16 du bloc 1, la surépaisseur 7 est présente le long de toute la paroi extérieure 3 et se prolonge le long de la partie d'extrémité 19, en un tronçon de forme similaire à cette dernière. Elle prend donc la forme d'une portion de tube creux dans le mode de réalisation de la figure 1. L'épaisseur de la surépaisseur 7 est homogène.The figure 1 illustrates the upper portion 16 of the block 1. This upper portion 16 comprises a portion of the inner wall 2, the outer wall 3 and the end portion 19. In the embodiment of the figure 1 , the end portion 19 forms a rounded portion 10 thus presenting itself as a hollow tube half, centered on the axis 6 of the block 1, itself located equidistant from the inner wall 2 and the outer wall 3. In the upper part 16 of the block 1, the excess thickness 7 is present along the entire outer wall 3 and extends along the end portion 19, in a similar shape section to the latter. It thus takes the form of a portion of hollow tube in the embodiment of the figure 1 . The thickness of the excess thickness 7 is homogeneous.

La surépaisseur 7 est, dans la partie supérieure 16 du bloc 1 et au niveau de la partie d'extrémité 19, délimitée par le prolongement de la paroi intérieure 2. En effet, la paroi intérieure 2 est définie, d'une part, par un premier plan externe 15 du bloc 1, délimitant ledit bloc 1 du côté de l'habitation, c'est-à-dire du côté de l'intérieur du mur formé par le coffrage, et, d'autre part, par un premier plan interne 20 situé en vis-à-vis. La surépaisseur 7 est, entre autres, aménagée au niveau de la partie d'extrémité 19, mais est délimitée par le premier plan interne 20. Ainsi, lorsque deux blocs 1 sont assemblés, la surépaisseur 7 de l'un est délimitée, dans sa partie supérieure 16, par la paroi intérieure 2 de l'autre bloc 1. Le fait que la surépaisseur 7 s'étende ainsi jusqu'à la paroi intérieure 2 participe à garantir l'étanchéité du côté extérieur du mur lorsque la paire de bloc 1 présente un angle d'ouverture 13 inférieur à 180 degrés. De plus, dans ce cas, la surépaisseur 7 s'étendant le long de la partie d'extrémité 19 garantit la continuité de surface du côté extérieur du mur.The excess thickness 7 is, in the upper part 16 of the block 1 and at the end portion 19, delimited by the extension of the inner wall 2. In fact, the inner wall 2 is defined, on the one hand, by a first external plane 15 of the block 1, delimiting said block 1 on the side of the dwelling, that is to say on the inside of the wall formed by the formwork, and, on the other hand, by a first internal plane 20 located vis-à-vis. The excess thickness 7 is, among other things, arranged at the end portion 19, but is delimited by the first internal plane 20. Thus, when two blocks 1 are assembled, the extra thickness 7 of one is delimited, in its upper part 16, by the inner wall 2 of the other block 1. The fact that the extra thickness 7 thus extends to the inner wall 2 helps to ensure the tightness of the outer side of the wall when the block pair 1 has an opening angle 13 less than 180 degrees. In addition, in this case, the extra thickness 7 extending along the end portion 19 ensures the surface continuity of the outer side of the wall.

Dans le mode de réalisation illustré, la forme circulaire de la surépaisseur 7 au niveau de l'arrondi 10 permet d'assurer une parfaite continuité de surface du couple de blocs 1 assemblés. Ainsi, lorsque l'angle d'ouverture 13 est inférieur à 180 degrés, les deux parois créées sont reliées, du côté du grand angle les séparant, par un congé circulaire régulier et continu, cette continuité de surface étant garantie par la surépaisseur 7 s'étendant au niveau de la partie d'extrémité 19. Néanmoins, la partie d'extrémité 19 et la partie de la surépaisseur 7 qui s'étend le long de cette dernière peuvent avoir une forme polygonale et non circulaire, garantissant ainsi une continuité de surface satisfaisante à des angles d'ouverture 13 prédéfinis, grâce à une décomposition du coin en plusieurs facettes formées par ladite forme polygonale.In the illustrated embodiment, the circular shape of the excess thickness 7 at the rounded portion 10 ensures a perfect surface continuity of the pair of assembled blocks 1. Thus, when the opening angle 13 is less than 180 degrees, the two walls created are connected, on the wide angle side separating them, by a regular and continuous circular fillet, this surface continuity being guaranteed by the allowance 7 s extending at the end portion 19. Nevertheless, the end portion 19 and the portion of the extra thickness 7 which extends along the latter may have a polygonal and non-circular shape, thus ensuring a continuity of satisfactory surface at predefined opening angles 13, thanks to a decomposition of the corner into several facets formed by said polygonal shape.

La figure 2 illustre la partie inférieure 17 du bloc 1, dans laquelle il comprend une partie de la paroi extérieure 3 et de la paroi intérieure 2. Dans un mode de réalisation non illustré, la paroi intérieure 2 et la paroi extérieure 3 sont, en outre, reliées à leur extrémité de sorte à empêcher l'accès, par la matière coulée, à la cavité formée par le creux de la partie d'extrémité 19. Lorsque deux blocs 1 sont assemblés, la paroi intérieure 2 d'un bloc 1 est sensiblement délimitée, au niveau de la partie inférieure 17 de ce dernier, par la partie d'extrémité 19 de l'autre bloc 1, située dans la partie supérieure 16 de ce dernier. Ce qui signifie que, pour un même bloc 1, sa paroi intérieure 2, au niveau de la partie inférieure 17, est délimitée par le contour obtenu après une rotation de sa partie d'extrémité 19, située dans la partie supérieure 16, d'un angle de 180 degrés autour de l'axe d'assemblage 21, et aussi par le contour obtenu après au moins une éventuelle rotation supplémentaire autour de l'axe 6. Le fait que, Dans un couple de blocs 1 assemblés, la paroi intérieure 2 d'un bloc 1 s'étende jusqu'à la partie d'extrémité 19 de l'autre bloc 1 garantit l'étanchéité du côté intérieur du mur lorsque les blocs 1 présentent un angle d'ouverture 13 inférieur à 180 degrés, comme le montre la figure 5. Lorsque cela est nécessaire, pour des angles d'ouvertures 13 bien inférieurs à 180 degrés, la paroi intérieure 2 de la partie inférieure 17 d'un bloc 1 est ajustée pour aboutir au niveau de la paroi intérieure 2 de la partie supérieure 16 de l'autre bloc 1, ce qui contribue à garantir l'amplitude du mouvement et l'étanchéité.The figure 2 illustrates the lower portion 17 of the block 1, wherein it comprises a portion of the outer wall 3 and the wall 2. In a non-illustrated embodiment, the inner wall 2 and the outer wall 3 are further connected at their end so as to prevent access, by the cast material, to the cavity formed by the hollow of the end portion 19. When two blocks 1 are assembled, the inner wall 2 of a block 1 is substantially delimited, at the lower portion 17 of the latter, by the end portion 19 of the other block 1, located in the upper part 16 of the latter. This means that, for the same block 1, its inner wall 2, at the bottom 17, is delimited by the contour obtained after a rotation of its end portion 19, located in the upper portion 16, of an angle of 180 degrees around the assembly axis 21, and also by the contour obtained after at least one possible additional rotation about the axis 6. The fact that, in a pair of blocks 1 assembled, the inner wall 2 of a block 1 extends to the end portion 19 of the other block 1 ensures the tightness of the inner side of the wall when the blocks 1 have an opening angle 13 less than 180 degrees, as shows it figure 5 . When necessary, for opening angles 13 much less than 180 degrees, the inner wall 2 of the lower part 17 of a block 1 is adjusted to end at the inner wall 2 of the upper part 16 of the other block 1, which helps to guarantee the range of motion and the tightness.

Ainsi, dans le mode de réalisation illustré aux figures 1 et 2 et où la partie d'extrémité 19 est circulaire, pour un même bloc 1, la paroi intérieure 2 est délimitée, au niveau de sa partie inférieure 17, par un cercle de même rayon que celui dans lequel s'inscrit la forme extérieure de l'arrondi 10 formant la partie d'extrémité 19.Thus, in the embodiment illustrated in figures 1 and 2 and where the end portion 19 is circular, for the same block 1, the inner wall 2 is delimited, at its lower part 17, by a circle of the same radius as that in which the outer shape of the 'rounded 10 forming the end portion 19.

En outre, comme le montre la figure 2, lorsque deux blocs 1 sont assemblés, la paroi extérieure 3 et la surépaisseur 7 de l'un sont délimitées, au niveau de sa partie inférieure 17, par la surépaisseur 7 de la partie supérieure 16 de l'autre bloc 1. Ce qui signifie que, pour un même bloc 1, sa paroi extérieure 3 et sa surépaisseur 7 sont délimitées, au niveau de la partie inférieure 17, par le contour obtenu après une rotation de sa surépaisseur 7, située dans sa partie supérieure 16, d'un angle de 180° autour de l'axe d'assemblage 21, et aussi par le contour obtenu après au moins une éventuelle rotation supplémentaire autour de l'axe 6.In addition, as shown in figure 2 when two blocks 1 are assembled, the outer wall 3 and the extra thickness 7 of one are delimited, at its lower part 17, by the extra thickness 7 of the upper part 16 of the other block 1. that for the same block 1, its outer wall 3 and its extra thickness 7 are delimited, at the bottom 17, by the contour obtained after a rotation of its extra thickness 7, located in its upper part 16, an angle 180 ° around the assembly axis 21, and also by the contour obtained after at least one additional rotation about the axis 6.

Ainsi, dans le mode de réalisation illustré, où la partie d'extrémité 19 est de forme circulaire et où la surépaisseur 7 a, par conséquent, à cette endroit, une forme circulaire, pour un même bloc 1, la paroi extérieure 3 et la surépaisseur 7 sont délimitées, au niveau de la partie inférieure 17, par un cercle de même rayon que celui dans lequel s'inscrit la forme extérieure de la surépaisseur 7 au niveau de l'arrondi 10.Thus, in the illustrated embodiment, where the end portion 19 is of circular shape and where the extra thickness 7 has, by therefore, at this location, a circular shape, for the same block 1, the outer wall 3 and the extra thickness 7 are delimited, at the lower part 17, by a circle of the same radius as that in which the shape outer of the excess thickness 7 at the rounding 10.

De façon générale, la partie inférieure 17 d'un bloc 1 est donc délimitée par le contour obtenu après une rotation de sa partie supérieure 16 d'un angle de 180 degrés autour de son axe d'assemblage 21, et aussi par le contour obtenu après au moins une éventuelle rotation supplémentaire autour de l'axe 6. Cette rotation autour de l'axe 6 correspond à l'angle séparant la position d'alignement des blocs 1 assemblés et une autre position dans laquelle la paroi extérieure 3 et la surépaisseur 7 d'un bloc 1 sont sensiblement délimitées par la surépaisseur 7 de l'autre bloc 1. La figure 2 montre encore que, dans la partie inférieure 17, ni la paroi intérieure 2 ni la paroi extérieure 3 ne s'étendent au-delà de l'axe 6.In general, the lower part 17 of a block 1 is thus delimited by the contour obtained after a rotation of its upper part 16 by an angle of 180 degrees around its assembly axis 21, and also by the contour obtained after at least one possible additional rotation about the axis 6. This rotation about the axis 6 corresponds to the angle between the alignment position of the assembled blocks 1 and another position in which the outer wall 3 and the extra thickness 7 of a block 1 are substantially delimited by the extra thickness 7 of the other block 1. figure 2 shows again that in the lower part 17 neither the inner wall 2 nor the outer wall 3 extend beyond the axis 6.

Selon une caractéristique avantageuse, le bloc 1 de coffrage est pourvu au niveau de son plan d'interface 9, d'au moins une des deux parties du moyen de liaison mutuelle, notamment un élément mâle et/ou un élément femelle.According to an advantageous characteristic, the shuttering block 1 is provided at its interface plane 9 with at least one of the two parts of the mutual connection means, in particular a male element and / or a female element.

Ainsi, dans un premier mode de réalisation, le bloc 1 est uniquement pourvu de l'élément mâle du moyen de liaison mutuelle. Au niveau du plan d'interface 9, le bloc 1 présente alors un élément mâle formant saillie, telle qu'au moins une nervure ou un plot, destiné à coopérer avec une forme complémentaire au niveau d'un autre bloc 1.Thus, in a first embodiment, the block 1 is only provided with the male element of the mutual connection means. At the level of the interface plane 9, the block 1 then has a male protruding element, such as at least one rib or a stud, intended to cooperate with a complementary shape at the level of another block 1.

Dans un second mode de réalisation, le bloc 1 est pourvu de l'élément femelle du moyen de liaison mutuelle. Il présente donc, au niveau du plan d'interface 9, au moins un élément femelle formant une cavité, telle qu'un trou pour un pion, une gorge ou une rainure. Un tel bloc 1 est compatible avec un bloc 1 du mode de réalisation précédent. La coopération de la partie mâle et de la partie femelle peut réaliser un guidage dans le mouvement de rotation, autour de leur axe 6 commun, de deux blocs 1 assemblés, comme c'est le cas avec la rainure et la nervure circulaires du mode de réalisation des figures. La coopération peut aussi créer des positions angulaires bloquées, comme dans le cas d'une coopération entre un pion et des cavités ou entre des plans d'appui parallèles à l'axe 6, par exemple, si le moyen de liaison mutuelle a une forme polygonale.In a second embodiment, the block 1 is provided with the female element of the mutual connection means. It therefore has, at the interface plane 9, at least one female element forming a cavity, such as a hole for a pin, a groove or a groove. Such a block 1 is compatible with a block 1 of the previous embodiment. The cooperation of the male part and the female part can provide guidance in the rotational movement, around their common axis, of two assembled blocks 1, as is the case with the circular groove and rib of the realization of the figures. The cooperation can also create blocked angular positions, as in the case of a cooperation between a pin and cavities or between bearing planes parallel to the axis 6, for example, if the mutual connection means has a shape polygonal.

Dans un troisième mode de réalisation, le bloc 1 est pourvu à la fois de l'élément mâle et de l'élément femelle du moyen de liaison mutuelle. L'élément mâle peut être une portion de nervure circulaire, en saillie du plan d'interface 9, l'élément femelle étant alors une portion de rainure circulaire de même diamètre. L'élément mâle et l'élément femelle se succèdent donc dans le plan d'interface 9, l'élément mâle se retrouvant, après symétrie d'un angle de 180° autour de l'axe d'assemblage 21, dans l'élément femelle.In a third embodiment, the block 1 is provided with both the male element and the female element of the connecting means. Mutual. The male element may be a circular rib portion, projecting from the interface plane 9, the female element then being a circular groove portion of the same diameter. The male element and the female element succeed each other in the interface plane 9, the male element being found, after symmetry of an angle of 180 ° around the assembly axis 21, in the element female.

Dans un mode de réalisation non illustré, le moyen de liaison mutuelle a une forme polygonale, permettant ainsi, lorsque deux tels blocs 1 sont assemblés l'un à l'autre, un nombre fini d'orientations entre eux. Préférentiellement, le moyen de liaison mutuelle consiste ainsi en une nervure polygonale coopérant avec une rainure polygonale de forme similaire. L'utilisation d'un moyen de liaison mutuelle de forme polygonale limite au nombre de ses côtés le nombre maximum de position angulaire que peut prendre un couple de blocs 1 assemblés.In a non-illustrated embodiment, the mutual connection means has a polygonal shape, thus allowing, when two such blocks 1 are assembled to each other, a finite number of orientations between them. Preferably, the mutual connection means thus consists of a polygonal rib cooperating with a polygonal groove of similar shape. The use of a means of mutual connection of polygonal shape limits to the number of its sides the maximum number of angular position that can take a pair of assembled blocks 1.

Dans le mode de réalisation illustré, comme le montre les figures 4 et 5, le moyen de liaison mutuelle a une forme circulaire, permettant ainsi, lorsque deux tels blocs 1 sont assemblés l'un à l'autre, un nombre infini d'orientations entre eux. Le moyen de liaison mutuelle prend ainsi la forme à la fois d'une rainure circulaire, aménagée dans le plan d'interface 9 d'un bloc 1 et une nervure circulaire, aménagée dans le plan d'interface 9 d'un autre bloc 1. La nervure et la rainure circulaires ont le même rayon et sont tous deux centrés sur l'axe 6. Les deux blocs 1 peuvent donc librement tourner l'un par rapport à l'autre autour de l'axe 6, le moyen de liaison mutuelle formant une liaison pivot entre eux.In the illustrated embodiment, as shown by the figures 4 and 5 , the mutual connection means has a circular shape, thus allowing, when two such blocks 1 are assembled to each other, an infinite number of orientations between them. The mutual connection means thus takes the form of both a circular groove, arranged in the interface plane 9 of a block 1 and a circular rib, arranged in the interface plane 9 of another block 1 The circular rib and groove have the same radius and are both centered on the axis 6. The two blocks 1 can therefore freely rotate relative to each other about the axis 6, the connecting means mutual relationship forming a pivot connection between them.

Dans un mode de réalisation non représenté, la partie d'extrémité 19 et la surépaisseur 7 qui la recouvre sont circulaires, le moyen de liaison mutuelle étant de forme polygonale. La surépaisseur 7 circulaire garantit ainsi un congé arrondi et parfaitement continu du côté du grand angle, pour tous les angles d'ouverture 13 possibles, alors que le moyen de liaison mutuelle limite le nombre d'angles d'ouverture 13 possibles.In an embodiment not shown, the end portion 19 and the extra thickness 7 which covers it are circular, the means of mutual connection being of polygonal shape. The circular allowance 7 thus ensures a perfectly rounded and perfectly continuous fillet on the wide angle side, for all possible opening angles 13, while the mutual connection means limits the number of possible opening angles 13.

Selon une caractéristique possible de l'invention, la surépaisseur 7 présente des zones de fragilité prédéterminées afin d'en faciliter la casse, permettant ainsi une plus grande amplitude d'orientations possibles entre deux blocs 1 assemblés l'un à l'autre. Ces zones de fragilités se retrouvent dans la partie supérieure 16 et éventuellement aussi dans la partie inférieure 17 du bloc 1. Ces zones de fragilité facilitent la rupture de la surépaisseur 7, permettant ainsi d'atteindre des angles d'ouverture 13 supérieurs à 180° entre deux blocs 1 assemblés. Lors de l'installation, la surépaisseur 7, au niveau de la partie supérieure 16 d'un bloc 1 et pour sa partie s'étendant le long de la partie d'extrémité 19, est donc cassée, ou sciée, ou autre, pour venir en contact avec la paroi intérieure 2 au niveau de la partie inférieure 17 de l'autre bloc 1 dans une configuration présentant un grand angle d'ouverture 13. Cela contribue à l'amplitude de mouvements et à l'étanchéité du côté intérieur du mur. De plus, toujours pour des angles d'ouvertures 13 supérieurs à 180 degrés, la surépaisseur 7 de la partie inférieure 17 d'un bloc 1 est, si besoin est, ajustée pour aboutir jusqu'à la surépaisseur 7 de la partie supérieure 16 de l'autre bloc 1, s'étendant le long de sa paroi extérieure 3, ce qui contribue à la fois à l'amplitude et l'étanchéité du couple de blocs 1 assemblés.According to a possible characteristic of the invention, the excess thickness 7 has predetermined areas of weakness in order to facilitate breakage, thereby allowing a greater range of possible orientations between two blocks 1 assembled to one another. These zones of weakness are found in the upper part 16 and possibly also in the lower part 17 of the block 1. These areas of weakness facilitate the breaking of the excess thickness 7, thus making it possible to reach opening angles 13 greater than 180 ° between two blocks 1 assembled. During installation, the excess thickness 7, at the top 16 of a block 1 and for its part extending along the end portion 19, is therefore broken, or sawed, or otherwise, for contact the inner wall 2 at the lower portion 17 of the other block 1 in a configuration having a large opening angle 13. This contributes to the range of motion and the tightness of the inner side of the Wall. In addition, always for opening angles 13 greater than 180 degrees, the excess thickness 7 of the lower portion 17 of a block 1 is, if necessary, adjusted to lead to the extra thickness 7 of the upper portion 16 of the other block 1, extending along its outer wall 3, which contributes to both the amplitude and the tightness of the pair of blocks 1 assembled.

En outre, pour de tels angles, la partie d'extrémité 19 contribue à la continuité de surface du côté intérieur du mur.In addition, for such angles, the end portion 19 contributes to the surface continuity of the interior side of the wall.

De façon complémentaire, afin d'atteindre facilement des angles d'ouvertures 13 inférieurs à 180°, et selon une caractéristique possible, la paroi intérieure 2 présente des zones de fragilité prédéterminées afin d'en faciliter la casse, permettant ainsi une plus grande amplitude d'orientations possibles entre deux blocs 1 assemblés l'un à l'autre. La paroi intérieure 2, au niveau de la partie inférieure 17, présente donc un motif de rupture prédéterminé, afin de venir en contact avec la paroi intérieure 2 de l'autre bloc 1, au niveau de sa partie supérieure 16. Ce contact contribue à l'étanchéité du côté intérieur du mur.In a complementary manner, in order to easily reach opening angles 13 less than 180 °, and according to one possible characteristic, the inner wall 2 has predetermined areas of weakness in order to facilitate breakage, thereby allowing greater amplitude. possible orientations between two blocks 1 assembled to one another. The inner wall 2, at the bottom 17, therefore has a predetermined breaking pattern, in order to come into contact with the inner wall 2 of the other block 1, at its upper portion 16. This contact contributes to the tightness of the inner side of the wall.

Afin de faciliter la fabrication du bloc 1, et selon une caractéristique possible schématisée aux figures 1 et 2, la surépaisseur 7 est au moins partiellement rapportée sur le reste du bloc 1. Il s'agit donc d'un composant supplémentaire, fabriqué indépendamment, fixé sur le reste du bloc 1 au niveau de la paroi extérieure 3. Alternativement, et comme c'est le cas dans le mode de réalisation illustré, la surépaisseur 7 fait corps avec le reste du bloc 1. La surépaisseur 7 fait donc partie du bloc 1 et n'est pas fabriqué à part.In order to facilitate the manufacture of the block 1, and according to a possible characteristic schematized figures 1 and 2 , the excess thickness 7 is at least partially reported on the rest of the block 1. It is therefore an additional component, manufactured independently, fixed on the rest of the block 1 at the outer wall 3. Alternatively, and as c is the case in the illustrated embodiment, the extra thickness 7 is integral with the rest of the block 1. The extra thickness 7 is part of the block 1 and is not manufactured separately.

La continuité de la surface, du côté de l'angle le plus grand formé par l'articulation entre les deux blocs 1, est donc garantie, dans le cas d'un angle d'ouverture 13 supérieur à 180 degrés, par la partie d'extrémité 19, dans la partie supérieure 16, qui vient former une partie du côté intérieur de l'assemblage des deux blocs 1, et, dans le cas d'un angle d'ouverture 13 inférieur à 180 degrés, par la partie de la surépaisseur 7 s'étendant le long de la partie d'extrémité 19, dans la partie supérieure 16, qui vient former une partie de la face extérieure de l'assemblage de blocs 1.The continuity of the surface, on the side of the largest angle formed by the articulation between the two blocks 1, is thus guaranteed, in the case of an opening angle 13 greater than 180 degrees, by the part d end 19, in the upper part 16, which comes to form a part of the inner side of the assembly of the two blocks 1, and, in the case of an opening angle 13 less than 180 degrees, by the part of the thickening 7 extending along of the end portion 19, in the upper part 16, which comes to form a part of the outer face of the block assembly 1.

L'amplitude de l'articulation est donc préférentiellement obtenue, pour un angle d'ouverture 13 supérieur à 180 degrés, d'une part, en ajustant, au besoin, la surépaisseur 7, s'étendant le long de la partie d'extrémité 19 dans la partie supérieure 16 d'un bloc 1, à la paroi intérieure 2 de la partie inférieure 17 de l'autre bloc 1, et d'autre part, en ajustant, au besoin, la surépaisseur 7 dans la partie inférieure 17 d'un bloc 1 à la surépaisseur 7 de la partie supérieure 16 de l'autre bloc 1, et, pour un angle d'ouverture 13 inférieur à 180 degrés, en, ajustant, au besoin, la paroi intérieure 2 de la partie inférieure 17 d'un bloc 1 à la paroi intérieure 2 de la partie supérieure 16 de l'autre bloc 1.The amplitude of the articulation is thus preferably obtained, for an opening angle 13 greater than 180 degrees, on the one hand, by adjusting, if necessary, the extra thickness 7, extending along the end portion 19 in the upper part 16 of a block 1, to the inner wall 2 of the lower part 17 of the other block 1, and secondly, by adjusting, if necessary, the extra thickness 7 in the lower part 17 d a block 1 at the extra thickness 7 of the upper part 16 of the other block 1, and, for an opening angle 13 less than 180 degrees, by adjusting, if necessary, the inner wall 2 of the lower part 17 from one block 1 to the inner wall 2 of the upper part 16 of the other block 1.

Enfin, l'étanchéité aux différents angles d'ouverture 13 possibles est assuré par le fait que, d'une part, dans la partie supérieure 16, la surépaisseur 7 qui s'étend autour de la partie d'extrémité 19 continue jusqu'au prolongement de la paroi intérieure 2, et, d'autre part, dans la partie inférieure 17, la paroi intérieure 2 d'un bloc 1 se prolonge jusqu'à la partie d'extrémité 19 de l'autre bloc 1.Finally, the sealing at the different opening angles 13 possible is ensured by the fact that, on the one hand, in the upper part 16, the extra thickness 7 which extends around the end portion 19 continues until extension of the inner wall 2, and, secondly, in the lower portion 17, the inner wall 2 of a block 1 extends to the end portion 19 of the other block 1.

Bien entendu, l'invention n'est pas limitée au mode de réalisation décrit et représenté aux dessins annexés. Des modifications restent possibles, notamment du point de vue de la constitution des divers éléments ou par substitution d'équivalents techniques, sans sortir pour autant du domaine de protection de l'invention.Of course, the invention is not limited to the embodiment described and shown in the accompanying drawings. Modifications are possible, particularly from the point of view of the constitution of the various elements or by substitution of technical equivalents, without departing from the scope of protection of the invention.

Claims (10)

Bloc (1) de coffrage isolant, destiné à la réalisation de murs, essentiellement constitué par une paroi intérieure (2), une paroi extérieure (3), reliée à cette dernière au moyen d'entretoises (18), et une partie d'extrémité (19), qui s'étend au niveau d'une extrémité (4) dudit bloc (1) en étant reliée aux extrémités correspondantes de la paroi intérieure (2) et de la paroi extérieure (3), et qui comporte au moins une partie d'un moyen de liaison mutuelle avec un autre tel bloc (1), de sorte que leur assemblage permette d'obtenir différentes orientations de l'un par rapport à l'autre autour d'un axe (6), bloc (1) caractérisé en ce que la paroi extérieure (3) et la partie d'extrémité (19) sont complétées par une surépaisseur (7) sensiblement délimitée par le prolongement de la paroi intérieure (2), et en ce que, lorsque deux tels blocs (1) sont assemblés, la paroi extérieure (3) et la surépaisseur (7) d'un bloc (1) sont sensiblement délimitées par la surépaisseur (7) de l'autre bloc (1).Block (1) of insulating formwork, intended for the production of walls, consisting essentially of an inner wall (2), an outer wall (3), connected to the latter by means of spacers (18), and a part of end (19), which extends at one end (4) of said block (1) being connected to the corresponding ends of the inner wall (2) and the outer wall (3), and which comprises at least part of a means of mutual connection with another such block (1), so that their assembly allows to obtain different orientations of one with respect to the other around an axis (6), block ( 1) characterized in that the outer wall (3) and the end portion (19) are supplemented by an extra thickness (7) substantially delimited by the extension of the inner wall (2), and that when two such blocks (1) are assembled, the outer wall (3) and the extra thickness (7) of a block (1) are substantially delimited by the extra thickness (7) of the other block (1). Bloc (1) de coffrage isolant selon la revendication 1, caractérisé en ce que le bloc (1) a la forme d'un parallélépipède présentant une avancée (8) créant un plan d'interface (9) situé approximativement à mi hauteur du bloc (1), c'est-à-dire à équidistance d'un plan supérieur (11) et d'un plan inférieur (12) délimitant le bloc (1), de sorte que lorsque deux tels blocs (1) sont assemblés, leur plans d'interface (9) sont sensiblement communs.Block (1) of insulating formwork according to claim 1, characterized in that the block (1) has the shape of a parallelepiped presenting an advance (8) creating an interface plane (9) located approximately halfway up the block (1), that is to say equidistant from an upper plane (11) and a lower plane (12) delimiting the block (1), so that when two such blocks (1) are assembled, their interface planes (9) are substantially common. Bloc (1) de coffrage isolant selon l'une quelconque des revendications 1 à 2, caractérisé en ce que la partie d'extrémité (19), située à l'extrémité (4) dudit bloc (1), a la forme d'un arrondi (10) joignant la paroi intérieure (2) et la paroi extérieure (3), la surépaisseur (7) ayant elle aussi une forme arrondie au niveau de l'extrémité (4).Block (1) insulating formwork according to any one of claims 1 to 2, characterized in that the end portion (19), located at the end (4) of said block (1), has the shape of a rounding (10) joining the inner wall (2) and the outer wall (3), the extra thickness (7) also having a rounded shape at the end (4). Bloc (1) de coffrage isolant selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le moyen de liaison mutuelle a une forme polygonale.Block (1) of insulating formwork according to any one of claims 1 to 3, characterized in that the mutual connection means has a polygonal shape. Bloc (1) de coffrage isolant selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le moyen de liaison mutuelle a une forme circulaire.Block (1) insulating formwork according to any one of claims 1 to 3, characterized in that the mutual connection means has a circular shape. Bloc (1) de coffrage isolant selon l'une quelconque des revendications 2 à 5, caractérisé en ce que le bloc (1) de coffrage est pourvu au niveau de son plan d'interface (9), d'au moins une des deux parties du moyen de liaison mutuelle, notamment un élément mâle et/ou un élément femelle.Block (1) of insulating formwork according to any one of Claims 2 to 5, characterized in that the shuttering block (1) is provided with at its interface plane (9), at least one of the two parts of the mutual connection means, in particular a male element and / or a female element. Bloc (1) de coffrage isolant selon l'une quelconque des revendications 1 à 6, caractérisé en ce que la surépaisseur (7) présente des zones de fragilité prédéterminées afin d'en faciliter la casse.Block (1) insulating formwork according to any one of claims 1 to 6, characterized in that the extra thickness (7) has predetermined areas of weakness to facilitate breakage. Bloc (1) de coffrage isolant selon l'une quelconque des revendications 1 à 7, caractérisé en ce que la paroi intérieure (2) présente des zones de fragilité prédéterminées afin d'en faciliter la casse.Block (1) insulating formwork according to any one of claims 1 to 7, characterized in that the inner wall (2) has predetermined areas of weakness to facilitate breakage. Bloc (1) de coffrage isolant selon l'une quelconque des revendications 1 à 8, caractérisé en ce que la surépaisseur (7) est au moins partiellement rapportée sur le reste du bloc (1).Block (1) insulating formwork according to any one of claims 1 to 8, characterized in that the extra thickness (7) is at least partially reported on the rest of the block (1). Bloc (1) de coffrage isolant selon l'une quelconque des revendications 1 à 8, caractérisé en ce que la surépaisseur (7) fait corps avec le reste du bloc (1).Block (1) insulating formwork according to any one of claims 1 to 8, characterized in that the extra thickness (7) is integral with the rest of the block (1).
EP20100305968 2010-09-09 2010-09-09 Insulating hinged formwork unit with a thickened portion Active EP2428624B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20100305968 EP2428624B1 (en) 2010-09-09 2010-09-09 Insulating hinged formwork unit with a thickened portion
PCT/FR2011/051846 WO2012032238A2 (en) 2010-09-09 2011-07-29 Hinged insulating formwork block having a thickened portion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20100305968 EP2428624B1 (en) 2010-09-09 2010-09-09 Insulating hinged formwork unit with a thickened portion

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EP2428624A1 true EP2428624A1 (en) 2012-03-14
EP2428624B1 EP2428624B1 (en) 2015-02-11

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2629503A1 (en) 1988-03-31 1989-10-06 Magu France Sarl BLOCKS, ESPECIALLY FOR FORMWORK, FOR EXAMPLE, FOR MAKING WALLS
US5809727A (en) * 1994-06-20 1998-09-22 Aab Building System, Inc. Web member for concrete form walls

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2629503A1 (en) 1988-03-31 1989-10-06 Magu France Sarl BLOCKS, ESPECIALLY FOR FORMWORK, FOR EXAMPLE, FOR MAKING WALLS
US5809727A (en) * 1994-06-20 1998-09-22 Aab Building System, Inc. Web member for concrete form walls

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WO2012032238A3 (en) 2014-09-12
WO2012032238A2 (en) 2012-03-15
EP2428624B1 (en) 2015-02-11

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