EP2800843A1 - Coffrage perdu pour la realisation de murs verticaux - Google Patents
Coffrage perdu pour la realisation de murs verticauxInfo
- Publication number
- EP2800843A1 EP2800843A1 EP12813883.1A EP12813883A EP2800843A1 EP 2800843 A1 EP2800843 A1 EP 2800843A1 EP 12813883 A EP12813883 A EP 12813883A EP 2800843 A1 EP2800843 A1 EP 2800843A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- panel
- blade
- formwork
- horizontal direction
- vertical
- 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
Links
- 238000009415 formwork Methods 0.000 title claims abstract description 58
- 125000006850 spacer group Chemical group 0.000 claims abstract description 39
- 238000005192 partition Methods 0.000 claims description 15
- 230000000295 complement effect Effects 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims 2
- 239000000463 material Substances 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
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
- E04B2/84—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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H4/00—Swimming or splash baths or pools
- E04H4/0075—Swimming or splash baths or pools made of concrete
- E04H4/0081—Swimming or splash baths or pools made of concrete with walls and floor cast in situ
Definitions
- the invention relates to a modular formwork lost for the realization of vertical walls.
- the invention also relates to a kit for producing such a formwork.
- the invention finally relates to a pool whose vertical walls are made using such a formwork.
- lost forms for the realization of vertical walls of pools such as swimming pools.
- These lost forms typically comprise a front panel oriented towards the inside of the basin, a rear panel, and connecting elements connecting the front panel to the rear panel, so as to provide between these two panels a space capable of being filled with liquid concrete. .
- the invention aims to solve one or more of these disadvantages.
- the invention thus relates to a modular formwork lost for the realization of vertical walls according to claim 1.
- the formwork requires only a small number of parts, is simple to assemble, and allows for pools having any shape.
- the spacer is flexible means that the rear panel can be joined to the connecting elements without the need for a specific tool.
- Embodiments of this formwork may include one or more of the features of the dependent claims.
- the embodiment of the front panel is that this front panel can be easily assembled by successive nesting of the blades. Due to the presence of grooves on each of the blades, these blades can be easily cut over their entire height. Finally, the area between two walls where is absent the rear wall makes the blade can be easily deformed in torsion, which facilitates its interlocking in another blade.
- the invention also relates to a kit for producing a formwork according to the invention, comprising the constituent elements of the front panel and the rear panel and the connecting elements.
- the invention relates to a pool comprising water, a bottom and vertical concrete walls, wherein the vertical walls are made by a formwork according to the invention.
- Figure 1 schematically illustrates a basin whose vertical walls are made using a formwork
- Figure 2 is a simplified schematic view of a portion of the formwork of Figure 1;
- FIG. 3 is a diagrammatic view in longitudinal section of a connecting element joined to a rear panel of the formwork of FIG. 1;
- FIG. 4 is a schematic side view of a detail of the connecting element of FIG. 3;
- FIG. 5 is a schematic and partial top view, in cross section, of a front panel joined to a connecting element of the formwork of FIG. 1;
- Figure 6 is a schematic view of another embodiment of a front panel
- Figure 7 is an upper cross-sectional view of a blade included in a front panel of the formwork of Figure 6;
- Figure 8 is a schematic view of an angle bracket attached to a connecting element to achieve an overflow basin
- Figure 9 schematically illustrates a kit for the realization of a formwork.
- FIG. 1 illustrates a basin 100 comprising water, a bottom 102 and vertical walls 104 of concrete, made by a modular formwork lost.
- this basin comprises a channel 106, configured to collect water overflowing the basin 100.
- the walls 104 separate an outer space from an interior space.
- the basin 100 is delimited by the walls 104.
- the interior space is the interior of the basin 100 and the outside space is located outside the basin 100.
- the vertical direction is represented by the direction y and the horizontal direction is represented by the direction x. This horizontal direction is perpendicular to the vertical direction.
- FIG. 2 illustrates, by way of example, the part of the formwork 1 used to make the portion of the vertical wall 104 (not including here the channel 106) of the basin 100 designated by a dashed circle in FIG. 1. .
- This part of the formwork 1 follows a trajectory 101 horizontal curve, represented by a dashed line on the Figure 2.
- This trajectory is for example composed of a rectilinear portion parallel to the horizontal direction, and a curved portion whose radius of curvature is for example less than 100m and preferably less than 50m.
- This part of the formwork 1 comprises:
- a front panel 2 of which an essentially flat front face 4 is oriented towards the inside of the basin;
- connecting elements 10 distributed along the periphery of the formwork. For simplicity, only three connecting elements 10 have been shown in FIG.
- Each of these connecting elements 10 connects the front panel 2 to the rear panel 6, so as to provide between the two panels a space 9 adapted to be filled with liquid concrete.
- These connecting elements 10 are parallel and separated by a distance d when the formwork extends rectilinearly along the horizontal direction. This distance d corresponds to the distance in the horizontal direction between two consecutive attachment points of the front panel 2 to a connecting element 10. This distance d is for example greater than 2 cm and less than 30 cm, and preferably greater than 5 cm and less at 25cm.
- Each connecting element 10 comprises at least one attachment hook 12 of the rear panel 6, and at least one spacer 14.
- Each spacer 14 extends between a front end 16 and a rear end 18, bearing against, respectively , the front panel 2 and the rear panel 6.
- the rear panel 6 comprises a set of main slots 20 through. Each slot 20 is able to be traversed by the fixing hook 12. These slots 20 are evenly spaced in the horizontal direction along the rear panel 6. The spacing between two consecutive main slots 20 is equal to the distance d, ⁇ 5% or ⁇ 2%.
- Additional through slots 22 are formed in the rear panel 6, on either side of each of the main slots 20, in the horizontal direction.
- the gap between two main slots 20 is filled with additional slots 22.
- the spacing e between any two of the immediately consecutive slots in the horizontal direction is between 7mm and 35mm.
- this spacing e is between 9mm and 25mm. Even more advantageously, this spacing e is between 10mm and 20mm.
- the rear panel 6 comprises several sets of slots 20 and 22, extending along horizontal directions parallel to each other. To simplify FIG. 1, only one set of slots is shown. These sets are separated vertically two by two, with the shortest distance measured between the center of a slot of one set and the middle of the respective slot of the other together. This distance is for example greater than 10 cm and less than 30 cm. Preferably, this distance is greater than 15 cm and less than 25 cm.
- main and additional slots 22 are identical. Also, to simplify the description, only a main slot 20 is described in detail in the following.
- the height of the slot 20 is preferably greater than 5mm and preferably greater than 20mm.
- the height of this slot 20 is less than 10 cm and preferably less than 30 mm.
- This slot 20 is for example made in the rear panel by incision. It is advantageously waterproof to liquid concrete.
- the back panel is made of a flexible material whose Young's modulus is less than 5GPa.
- the Young's modulus of panel material 6 is greater than 0.01 or 0.1 GPa.
- This rear panel 6 is for example a dimpled polypropylene plate, of thickness between 1 mm and 2cm, and preferably between 2mm and 15mm.
- each spacer 14 is movable by hand from a rest position 15, shown in dashed lines in Figure 1, to a staggered position 17.
- the front ends 16 and back 18 of the spacer are aligned on an axis perpendicular to the front panel 2.
- the rear end 18 is spaced, in the horizontal direction, from its rest position 15 by a distance at least equal to e / 2 and, preferably, greater than or equal to e.
- FIG. 2 shows schematically the use of the spacer 14.
- the connecting elements 10 respectively located on the left and in the middle of the figure are aligned in the horizontal direction along the rectilinear portion of the trajectory 101.
- the distance separating these two connecting elements 10 is equal to d.
- the connecting element on the right of Figure 2 is not aligned with the previous connecting elements. So that the rear end 18 of the spacer 14 of this connecting element 10 is in facing relation with a slot 20 or 22 of the rear panel 6, this spacer 14 is moved from its rest position 15 to its offset position. 17. Thus, the end 18 is then inserted into an additional slot 22. This allows for the formwork for a basin having any radius of curvature.
- FIG. 3 illustrates an example of connecting element 10 and of a spacer 14, when it is in its rest position 15.
- This spacer 14 has, for example, a planar and oblong shape extending in a plane normal vertical to the front panel.
- the length of this spacer 14, defined as the distance between the front ends 16 and rear 18, is for example greater than 10 cm and preferably greater than 15 cm. This length is for example less than 30 cm and preferably less than 25 cm.
- This spacer 14 comprises for example a part central rectangular parallelepiped shape 25, extending over at least 50% of its length, and two rectangular flares 26 and 28, arranged in the extension of this central portion 25. These two flares 26 and 28 are terminated respectively by the front ends 16 and rear 18.
- the height of the central portion 25, measured in the vertical direction, is for example greater than 1 cm and less than 15 cm, and preferably between 3 cm and 8 cm.
- the height of one of its ends 16 or 18 in the vertical direction is between one and three times the height of the central portion 25.
- the thickness of the central portion in the horizontal direction is at least ten or fifty times less than the length of the spacer 14.
- the spacer 14 is symmetrical with respect to a vertical plane extending in the horizontal direction.
- the spacer 14 is flexible in the horizontal direction.
- E. The product l y its quadratic moment the calculated y in the direction of a vertical axis passing through its point of attachment on the front panel, with its Young's modulus E is advantageously between 1 and 2 Nm 50N.m 2 . Even more preferably, this E.ly is between 2 and 5N.m 30N.m 2.
- this spacer 14 is made of polypropylene.
- the connecting element 10 comprises a retaining bar 19.
- This retaining bar 19 is oblong in shape and extends in the vertical direction.
- the holding bar 19 comprises at least one hook 12.
- Each hook 12 is configured to pass through the slots 20 or 22 of the rear panel 6.
- the rear end 18 of the spacer 14 has at least one cavity 27 and a bulge 1 1 formed in the cavity 27.
- the cavity 27 is configured to receive the hook 12.
- the only opening of this cavity 27 opens into the end bearing on the rear panel 6. This opening is large enough to allow the removal of the hook 12.
- the spacer also has lips 29 which border the periphery of this opening. These lips 29 are supported on the rear panel 6 to prevent the concrete from penetrating inside the cavity 27.
- the bulge 1 1 is of complementary shape to the hook 12 and is able to retain the hook 12 inside the the cavity 27 by shape cooperation.
- the detail of this part of the connecting element 10 is illustrated in FIG. 4, in the absence of the rear panel 6.
- the spacer 14 also comprises at least one cover 27c.
- This cover 27c is movable, by folding, between an open position (illustrated in Figure 4) and a closed position. In the closed position, this cover 27c covers the cavity 27.
- the connecting element 10 comprises several spacers 14. These spacers 14 are for example superimposed one above the other in the vertical direction.
- the connecting element 10 also comprises a vertical plate 23. This vertical plate 23 is joined to the spacers 14.
- Figure 5 illustrates an example of the front panel 2 of the formwork.
- This front panel 2 comprises a flexible wall 3, identical to the rear panel 6.
- This flexible wall 3 is joined to the connecting elements 10 by means of a hook 13 which passes through a main slot 20 of the flexible wall 3.
- This panel front also comprises rigid plates 24 pressed against the wall 3. These rigid plates 24 are interposed between the flexible wall 3 and a retaining bar 21. These rigid plates 24 form the front face 4 of the front panel 2.
- These rigid plates 24 are able to reinforce the mechanical strength of the front panel 2 in the presence of liquid concrete.
- the thickness of each plate 24 is greater than 5 mm and, even more advantageously, greater than 25 mm. This thickness is advantageously less than 10 cm and even more advantageously less than 5 cm.
- These rigid plates 24 are for
- the hook 13 is connected to the spacer in the same manner as the hook 12.
- the hooks 13 are identical to the hooks 12.
- the front end 16 of the spacer 14 comprises a cavity, the lips and a bulge respectively symmetrical to the cavity 27, the lips 29 and the bulge 1 1 of the front end 18 of the spacer 14 and providing the same function. These lips are supported on the front panel 2 to prevent the concrete from entering the interior of this cavity. This removes the front panel 2 after the completion of the vertical wall.
- FIGs 6 and 7 illustrate another embodiment of a front panel 5 of the formwork, may be used instead of the front panel 2 described above.
- This front panel 5 is formed by interlocking a succession of blades in each other.
- Figure 5 shows only two blades 30 and 31.
- the blade 30 is joined to a connecting element 7.
- the connecting elements 7 fulfill the same function as the connecting elements 10.
- they are identical to the connecting elements 10 except that their front end is shaped to embedded in a slide 39 of the blades 30 or 31.
- the blades 30 and 31 are identical. Also, only the blade 30 is described in detail in the text that follows.
- This blade 30 is rigid, generally rectangular parallelepiped shape. It comprises a front face 32 (FIG. 7) facing towards the inside of the basin, a rear face 34, two vertical edges 36 and 38 and at least one slideway 39.
- the front 32 and rear 34 faces extend essentially in planes. vertical parallels.
- the slide 39 makes it possible to secure the blade 30 to the connecting element 7.
- This slide 39 is situated on the rear face 34 of the blade. It extends over at least 50% of the height of the blade, and preferably over at least 90% of its height.
- a groove 40 is formed vertically over the entire height of the vertical edge 36. This groove 40 shares the edge 36 in a front tongue 42 and a rear tongue 44.
- front tabs 42 and rear 44 are arranged vis-à-vis and, respectively, in the extension of the front 32 and rear 34 of the blade 30.
- the tongue rear 44 is longer than the front tongue 42 of at least 1 mm in the horizontal direction.
- the length of the rear tongue 44 is greater than or equal to two or 1.5 times the length of the tongue before 42.
- the vertical edge 38 comprises over 90% of its height, and preferably over its entire height, a post 46 of complementary shape to the groove 40 formed in the vertical edge 36. This post 46 is configured to be fitted into this groove 40 by a pivoting movement whose angular amplitude is greater than 10 °, 25 ° or 45 ° .
- the second blade can be nested with the first blade, in the manner of floorboards, as shown in Figure 5.
- the front panel 5 of the form is thus formed by successive interlocking blades 30 and 31, forming the inner periphery of the formwork.
- these blades 30 and 31 comprise locking devices, configured to prevent a translation in the horizontal direction of one of the two blades relative to the other blade once these two blades interlocked with each other.
- the front tongue 42 comprises on its side facing the rear tongue 44 a bulge 48 which extends vertically over 90% of its height, and preferably over its entire height.
- the pin 46 has a recess 50.
- the bulge 48 and the recess 50 are mutually complementary forms. They are able once nested between them to prevent a translation in the horizontal direction of one of the two blades relative to the other blade.
- the face 43 of the rear tongue 44 facing the front tongue 42 is concave.
- the face 45 of the pin 46 directed towards the rear of the blade is here convex and of complementary shape to the concave face 43.
- the rear face of the rear tongue 44 comprises at its end the farthest from the blade groove 52 extending vertically over more than 90% of its height, and preferably over its entire height.
- the edge 38 comprises a lamella 54 of generally flat shape which extends outwardly of the blade.
- This strip 54 comprises a projection 56 which extends vertically over more than 90% of the height of this strip 54, and preferably over the entire height of this strip 54.
- This projection 56 has a shape complementary to the groove 52 of such a groove 52 and this projection 56 are able, once fitted together, to prevent a translation in the horizontal direction of one of the two blades relative to the other blade.
- each blade 30 is manufactured by an extrusion process, so that each blade 30 comprises a front wall 60, a rear wall 62 and a set of vertical partitions 64.
- These vertical partitions 64 mechanically connect the front walls. 60 and back 62.
- These partitions 64 are perpendicular to the walls, and delimit within the space formed by the front walls 60 and rear 62 a set of cells 66.
- the rear wall 62 comprises grooves 68, of a depth at most equal to half of the thickness of the rear wall 62, which extend vertically over the entire height of the rear wall 62.
- These grooves 68 are grouped in pairs, the grooves of each pair being located on either side of a site of junction 70 between the rear wall 62 and a partition 64, so that the distance between the middle of a groove 68 and the middle of said junction site 70 is between 0.5mm and 3mm.
- This junction site 70 is defined as the segment formed by the orthogonal projection of the partition 64 on the rear face of the blade 30.
- These grooves 68 allow easy cutting of the blade, for example by means of a cutter. Such a cutting operation is for example necessary when the formwork is used to make the walls of a non-rectilinear basin.
- the perimeter of the inner perimeter of the formwork is then not necessarily an integer multiple of the width of the blades 30.
- the rear wall 62 extends over the entire height and width of the blade 30, with the exception of an area 72 defined by two vertical partitions 67, 69 immediately consecutive in the horizontal direction, where it is absent.
- the partitions 67 and 69 are not necessarily perpendicular to the front face 32.
- This zone 72 facilitates the twisting of the blade 30.
- This zone 72 is preferably arranged closer to the edge 36 than to the edge 38.
- FIG. 8 illustrates a way of producing the channels 106 of the basin 100. This means comprises in particular:
- Each angle 80 has a horizontal leg 82 extending in a normal direction to the rear face 8 to plus or minus 20 °, followed by a vertical leg 84 extending vertically to plus or minus 20 °. These angles 80 are joined to each of the connecting elements 10, so as to extend towards and beyond the rear face 8 of the rear panel 6.
- the flexible horizontal panel 86 is folded accordion, so as to form a succession of facets 87 aligned in parallel and interconnected by their longest edge 88.
- This folding accordion is for example designed so that the edges 88 are perpendicular to the rear face 8.
- This horizontal flexible panel 86 is joined to the horizontal branches 82 of the angles 80, to form the bottom of a gutter.
- the folds in accordion described previously allow the flexible panel 86 to form the gutter along the outer perimeter of the formwork, whatever the radius of curvature of this circumference.
- This horizontal flexible panel 86 is advantageously made from the same plate as that used to make the rear panel 6.
- a vertical panel not shown joined the vertical branches 84 to define the formwork of the gutter.
- This gutter is configured to receive liquid concrete to form the channel 106.
- Figure 9 schematically a kit 90 for the realization of the formwork 1.
- This kit 90 comprises a set 91 of components of the front panel 2 or 5 and the rear panel 6 and the connecting elements 10.
- the slots 20 and 22 are formed in the rear panel 6.
- this kit 90 also comprises angles 80 and panel 86.
- the hook 12 is carried by the rear end 18 of the spacer 14 and the retaining bar 19 has the bulges January 1. It is the same for the hook 13 which can be carried by the rear end 16 of the spacer 14.
- each angle 80 is glued to the rear panel 6.
- the embodiment of the front panel 5, including the plates 30, 31 nestable, can be implemented with other fastening systems of the rear panel 6 that described here.
- the blades 30, 31 can be used independently of the flexible spacers 14 and the main and additional slots 22 and 22.
- the modular formwork is not limited to the realization of vertical walls of a pool.
- this formwork is used for the realization of retaining walls or walls of houses.
- the channel 106 is filled with liquid concrete, so as to achieve a concrete belt, surrounding the basin 100 and configured for the laying of curbs.
- the front panels 2 or 5 and rear 6 can be folded, so that the periphery of the formwork locally has an acute angle.
- the connecting element 10 is made in one piece, of a single material, which extends over the entire height of the front panels 5 and rear 6.
- the rear panel 6 is corrugated cardboard.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1250166A FR2985530B1 (fr) | 2012-01-06 | 2012-01-06 | Coffrage perdu pour la realisation de murs verticaux |
PCT/EP2012/077008 WO2013102605A1 (fr) | 2012-01-06 | 2012-12-28 | Coffrage perdu pour la realisation de murs verticaux |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2800843A1 true EP2800843A1 (fr) | 2014-11-12 |
EP2800843B1 EP2800843B1 (fr) | 2016-06-22 |
Family
ID=47557121
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12813883.1A Not-in-force EP2800843B1 (fr) | 2012-01-06 | 2012-12-28 | Coffrage perdu pour la realisation de murs verticaux |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2800843B1 (fr) |
ES (1) | ES2594830T3 (fr) |
FR (1) | FR2985530B1 (fr) |
WO (1) | WO2013102605A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU202688U1 (ru) * | 2019-12-16 | 2021-03-02 | Денис Викентьевич Андрушкевич | Полипропиленовая несъемная опалубка для изготовления стенок бассейна |
IT202200016209A1 (it) * | 2022-07-29 | 2024-01-29 | Ivan Milite | Cassero modulare per la realizzazione di piscine e strutture edili similari |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1538273A1 (fr) * | 2003-12-05 | 2005-06-08 | Florent Bahri | Elément de coffrage préfabriqué perdu, module obtenu avec cet élément de coffrage et ossature fabriquée avc ces modules |
FR2897378B1 (fr) * | 2006-02-14 | 2008-04-11 | Romain Fontaine | Procede de realisation d'un bassin en beton coule. |
FR2897630B1 (fr) * | 2006-02-22 | 2008-05-23 | Christian Duraz | Dispositif de montage et de fixation d'un coffrage souple |
EP2398974B1 (fr) * | 2009-02-18 | 2017-08-02 | CFS Concrete Forming Systems Inc. | Système de raccordement par emboîtement pour coffrage perdu |
-
2012
- 2012-01-06 FR FR1250166A patent/FR2985530B1/fr not_active Expired - Fee Related
- 2012-12-28 WO PCT/EP2012/077008 patent/WO2013102605A1/fr active Application Filing
- 2012-12-28 EP EP12813883.1A patent/EP2800843B1/fr not_active Not-in-force
- 2012-12-28 ES ES12813883.1T patent/ES2594830T3/es active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2013102605A1 * |
Also Published As
Publication number | Publication date |
---|---|
FR2985530B1 (fr) | 2014-02-07 |
EP2800843B1 (fr) | 2016-06-22 |
WO2013102605A1 (fr) | 2013-07-11 |
ES2594830T3 (es) | 2016-12-22 |
FR2985530A1 (fr) | 2013-07-12 |
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