ES2326437T3 - PANEL ASSEMBLY DEVICE INTENDED TO FORM A LOST FORMWORK. - Google Patents

Abstract

The device has a set of panels, where each panel (24) has undercut grooves that open laterally onto an inner face of the panel and longitudinally onto an upper edge and a lower edge of the panel. A sliding element of a spacer (5) slides vertically into one groove via the upper edge of the panel, where the sliding element is placed on both sides of the spacer. The spacer has a fastening unit for fastening to another spacer (13) in a vertical direction so as to form a succession of non-deformable parallelograms.

Description

Panel assembly device intended for form a lost formwork.

The present invention relates to a panel assembly device intended to form a formwork  lost.

It is known to make such a device which includes:

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a set of panels comprising slots that have a counterpulse form that flow laterally over one face inside the panel and longitudinally on an upper edge and bottom of the panel,

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for the less a panel separator comprising on both sides an organ of slip that has a shape at least partially complementary to that of a slot, intended to be slid vertically in a groove by the upper edge of a panel.

Document FR 2 738 856 describes in particular Such a device.

The document FR-A-2 540 539 describes a assembly device that comprises all the features of the preamble of claim 1.

Such a device allows effectively make a formwork.

It turns out however that a device of this type implies using some insertions of assemblies between panels. No element allows to assemble the first insertions facing each other on which the row starts to recess bottom of panels. It is therefore very difficult to position the formwork on the axis of the wall to be built. In addition, the bottom row of panels is not in solidarity with the foundation or the slab.

The basic technical problem of the invention is by both provide a panel assembly device to form a lost formwork that allows easy positioning of the panels with respect to the axis of the wall to be constructed, keeping a simple assembly construction.

To this end, the present invention is intended to object an assembly device of the aforementioned type, characterized because each separator comprises fixing means on another adjacent separator in the vertical direction to form a sequence of nonformable parallelograms,

because the assembly device comprises also a support fixed on the floor in the axis of the wall a build, on which a base separator is fixed so that determines the relative orientation of the base separator with regarding support, and

because the sliding organs of the base separator are intended to be received in a slot the panels in the bottom row of the assembly when the positioned of this lower row.

Thanks to the arrangements according to the invention, The formwork assembly is much simpler, and allows to obtain easily an alignment on the desired axis of the wall.

In particular, to place the bottom row of panel, it is enough to trace the axis of the wall on the floor, and then position the support on this axis, and then position then the base separators on this support.

It is possible to position below easily the first rows of panels on both sides on the means of sliding of the base separators that serve as a guide for positioned, and then fix some extra dividers on the base separators, in the grooves of the panels of the first panel row, and continue to perform the formwork.

The initial positioning of the first elements The formwork is therefore greatly facilitated.

In addition, the direct fixing of the separators one over the other allows to suppress the insertions of unions used in the prior art. Assembly time decreases, as well as the number of pieces needed, and therefore the device cost.

Advantageously, the base separator can be embedded on the support in fixing locations determined.

These provisions allow to facilitate the relative positioning of the base separator with respect to the support.

Preferably, the support is constituted by A flat and flexible profile.

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The use of a flat profile allows facilitate handling A flexible profile can be used also in the form of roll easily storable and positionable on the floor, along the axis of the wall. Said flexible profile is also easily sectionable.

Advantageously, the device comprises some means of fixation and solidarity of the whole comprising the support and base separator to the foundation or slab, at the level of the axis of the wall to build.

These provisions allow to realize simultaneously fixing a base and support separator, and  the fixing of the support on the floor.

Preferably, the fixing means and solidarity of the set comprising the support and the separator of base comprise a hole and a brass in a complementary way, the stud being pierced by a through hole that allows the step of a rod of fixation and solidarity.

Advantageously, the support comprises means fixing for a distance separator base separated regular.

Preferably, at least one separator it comprises the sliding members that comprise a profile in half cylinder shape.

These provisions allow to limit the friction when the insertion of the means of sliding in a groove of the panels, and facilitate the realization of the separators.

Advantageously, the sliding bodies of at least one separator comprises a first upper part of guided, preferably in the form of a cylinder, protruding from a single row panel in front of the separator and intended for positioned of a panel of a row superior to the one in front of the separator.

Preferably, the sliding bodies of at least one separator comprises a second lower part of reduced diameter that can be embedded in the first part upper guide of an adjacent separator.

Preferably, at least one separator It has a U or H shape, with an intermediate portion that joins two uprights comprising the sliding members.

These provisions allow to minimize the material used for each separator.

Advantageously, the device comprises a formwork closing terminal that has at least one slot on its peripheral edges, in which it is received by minus a portion of the struts of a separator.

These provisions allow positioning simply a terminal on a separator to close of the formwork.

Preferably, the closing terminal of the formwork comprises on its peripheral edges a first and a second slots, the distance between the first slot and a first face of the terminal superior to the distance between the second slot and a second face of the terminal.

These provisions allow, introducing the terminal on a separator through the first or second slot, obtain a formwork whose dimensions perpendicular to the plane The terminal can adopt two different values.

In the case where two formwork terminals are facing each other, to define a window location by example, four different positions of this are possible location according to the slot used to insert the terminal over the separator.

Advantageously, the upper edge and / or the edge Side panels include protruding or hollow parts in a complementary way with hollow or protruding parts arranged on the lower edge of the adjacent panel in the vertical direction or a side edge of the adjacent panel in the horizontal sense

These provisions allow a fit horizontal and / or vertical when the assembly of these takes place panels with each other. Thus, these provisions allow the suppression of insertions of joints between panels used in the art previous. These provisions also allow the manufacture of panels of small thickness in harder materials, as per example lightened concrete, or lightened plaster or other. In effect, to allow the recessed panels in the insertions, it was previously necessary to provide for the emptying of grooves in the upper and lower edges of the panel, which caused the creation of a tongue on the outer face of the panels that constitute an area of fragility.

Preferably, at least one part in Highlight extends over the entire length of the panel.

These provisions allow to improve the tightness of the panel assembly.

Advantageously, the grooves of the panels are arranged with regular spacing.

Preferably, the fixing means of the separators are pincer means comprising a hook intended to cooperate with a slot made in a separator adjacent that has a retaining edge, the groove being open in at least one direction transverse to the direction of flange retention.

These arrangements allow easy clamping these elements if necessary with a screwdriver tip. Indeed, in a work, it is desirable to have the possibility of undoing a clip, for example to correct a mounting error, or to provide a modification to the formwork before casting concrete, what was not possible in the devices according to the technique previous.

Advantageously, a base separator presents a height less than a third of the height of a separator that does not It is a base separator.

These provisions allow, with a separator small base base positioned on the ground, facilitate the positioned of the lower row of panels on the means of sliding of these separators.

Anyway, the invention will become more clearly apparent from the following description, referring to the attached schematic plan that represents, to non-limiting example title, an embodiment of this device.

Figure 1 is a perspective view of the support, made in the form of a flat profile.

Figure 2 is a perspective view of a base separator in the process of being positioned on the support.

Figure 3 is a perspective view of a U separator

Figure 4 is a perspective view of a panel.

Figure 5 is a perspective view of a wall closure terminal.

Figure 6 is a perspective view of a squad.

Figure 7 is a view above the square of figure 6.

Figures 8 to 14 represent different stages of formwork using the device according to the invention.

According to an embodiment represented in the Figures 1 to 5, a panel assembly device intended for forming a lost formwork according to the invention comprises a set of panels 24, panel separators 5, 13, at least one support 1 in the form of a profile, and closing terminals 30 of the walls.

As depicted in Figure 4, each panel 24 made of insulating or non-insulating material has some vertical grooves 25 having a counterpulping shape that they flow laterally on an internal face of the panel and longitudinally on a top edge of the panel. The slots of The panels are arranged with regular spacing.

The horizontal section of each of these Slots has a first circular housing portion 26, and a straight portion of width less than the diameter of the portion circular, which joins this circular portion with the face of panel 24, forming a step that can retain an organ shape complementary housed in the slot.

The upper edge of the panels 24 presents parts in projection 27, 28 in a complementary manner with some hollow parts in the lower edge of the adjacent panel in the vertical direction, so that they allow a vertical fit when the assembly of these panels with each other takes place.

The lateral edges comprise parts in highlight 29 in a complementary way with hollow parts practiced on the side edge of the adjacent panel in the horizontal direction, so as to allow horizontal fitting when the assembly of the panels 24 takes place with each other.

In particular, the parts highlighted on the upper edge are made in the form of a tooth or tongue trapezoidal 27, 28 that intersect and extend in two transversal directions, thus allowing to perform a fitting watertight.

On the vertical edges are practiced throats 30 and vertical tabs 29 for fitting the panels 24 each other.

The device comprises two types of panel dividers 24; the base separators 5 and the U separators 13.

A U 13 separator, such as the one shown in figure 3 it comprises on the outside of each of the branches 15 of the U that form some uprights, a sliding organ that presents a form at least partially complementary to the of a groove, intended to be slid longitudinally in a slot through the top edge of a panel. The organs of U-shaped separator slip include:

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a cylinder-shaped top 16,

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a intermediate profile 17 in the form of a semi-cylinder, and

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a lower end 18 of reduced diameter that can be embedded in the cylinder 16 of an adjacent separator 13 or the base separator 5.

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The sliding member 16, 17, 18 is attached to the separator branch by a first flat profiled portion 14 in the plane of the U, which can be housed in the straight part of the slot 25 of a panel 24.

Branch 15 of separator 13 also comprises a second flat profiled portion 19, perpendicular to the plane of the U, intended to guide the movement of the separator by a support plane against the face of panel 24 when its movement takes place vertical introduction of the sliding member 16, 17, 18 in slot 25 of panel 24.

Branch 15 of separator 13 comprises a third flat profiled portion 20 in the plane of the U, adjacent and perpendicular to the second portion 19, which presents in its upper part a recess 21 with a retaining flange in the plane of the U intended for hooking a 21 'pinch hook.

In prolongation of the bottom of the third profiled portion 20 is formed a hook 21 'which is extends in the plane of the U intended to be pinched in a recess 21 of an adjacent U-separator 13 or of a separator of base 5. The hook 21 'and the recess 21 being arranged in the U plane, the recess 21 is open according to two directions on both sides of this plane. This arrangement of the hook 21 'and of the  recess 21 therefore allows easy removal of these elements if necessary with a screwdriver tip.

The recesses 21 and the hooks 21 'constitute the clamping means on another adjacent separator in the direction vertical to form a succession of parallelograms non-deformable

Branch 15 of separator 13 finally comprises a fourth flat profiled portion 22, perpendicular to the plane of the U, which fits the U-shape at its bottom 23 and joins the second branch 15 of the U. This fourth portion 22 ensures reinforcement of stiffness of the U-shaped spacer 13.

As depicted in Figure 2, a base separator comprises on both sides some organs of sliding having a hollow cylinder shape 7 complementary to that of a slot 25 of a panel 24, intended for be slid longitudinally in a slot 25 of the panels 24 from the bottom row of the assembly.

As described above for the U separator 13, each sliding member 7 is connected to two branches of the separator 5 by a first flat profiled portion in a vertical plane, which can be housed in the straight part of the one panel slot.

The branch of the separator also comprises a second flat profiled portion 6, perpendicular to the first portion, intended for guiding the movement of the separator by a flat support against the face of the panel when its vertical movement of introduction of the slide member 7 in slot 25 of panel 24.

The separator 5 comprises a third portion flat profile 9 that joins the two branches, in the vertical plane, adjacent and perpendicular to the second portion 6, which presents in its top of each side a recess 10 with a flange of retention intended for hooking a clamp hook 21 'of a U separator

The perforation 12 of the separator cylinder 7 of base 5 allows to accommodate the lower end of reduced diameter 18 of the sliding means of a U-spacer.

The base separator 5 is intended to be fixed on a support 1 fixed on the ground parallel to the axis of the wall to be built, consisting of a profile represented in Figure 1

The flat profile 1, fixed on the foundation or the slab is perforated by holes 2 that constitute fixing means for a base separator 5 separated at a distance regular, which allow the positioning of base separators 5 to regular distance according to the axis of the wall.

As depicted in Figure 2, the fixing means of the base separator 5 on the flat profile 1 they comprise a pin 3 in a complementary manner with the hole 2 of the profile 1, the pin 3 being pierced by a through hole 4 which allows the passage of a rod of fixation and solidarity from profiled assembly 1 and base separator 5 to the foundation or to the slab, at the level of the axis of the wall to be built.

The pin 3 is arranged on a surface flat bottom of the base separator, in a recess 11 whose width allows the insertion of the base separator 5 onto the profile 1, which determines the relative orientation of the base separator 5 with respect to profile 1. In particular, it is advantageous to force the positioning of the base separators perpendicular to the axis of the wall and profile 1.

As depicted in Figure 5, a closing terminal 30 is constituted by a parallelepiped of insulating material or not whose width is the thickness of the concrete casting between the formwork and the height of the panels. He terminal comprises in its peripheral edges a first and a second slots 31, 32, the distance between the first slot being 31 and a first face of the terminal intended to be directed towards the exterior of the assembly, superior in a third approximately to the distance between the second slot 32 and a second face of the terminal intended to be directed into the interior of the assembly

Each of the slots 31 and 32 has a depth and width that allow the fitting of the amount of a U-separator 13, and in particular of the profiled portions 20 and 22. Figure 14 illustrates the positioning of a terminal on a U 13 separator, which is positioned, once positioned, between the uprights that form the branches of the U.

A terminal of this type is used to close the walls for the creation of openings in the concrete wall.

As depicted in figures 6 and 7, to make an angle between two formwork portions, it is possible to use a square 33 of variable angle.

Said square 33 comprises two inclined branches 34, 35 with respect to each other, joined by a hinge 36 in a first edge.

The second edge of each of the branches comprises a return 37 located outside the formed angle by the hinge and perpendicular to the branch 34, 35 from which extends, on which are arranged means of sliding 38 in a slot 25 of a panel, which allow in particular the positioning of the square in the slots of two panels of the two parts of formwork, but also the stacking of several squads by an extreme part 39 of reduced diameter The sliding means present less partially a semi-cylinder section.

The two branches 34, 35 of the square are joined at least for a removable joint 40, which maintains the angle between these two branches at a given value, for example of 90º.

It is possible to remove this or these connecting pieces to release this angle.

Certain stages of the formwork with the help of a device such as the one described above, referring to figures 8 a 14.

In a first stage represented in the figure 8, it is developed on the A axis of the wall to build the profile plane 1.

In a second stage represented in the figure 9, base separators 5 are positioned at regular space on the profile by fitting at the level of a hole 2, for example every 25 cm, and the base separator set 5 and profile 1 are supported ground by a steel tip 41 that fixes the base separator 5 in its center through hole 4. The spacers are thus positioned perpendicular to the axis of the wall.

In a third stage represented in the figure 10, the panels of the two lower rows are positioned facing the assembly used the cylinders 7 of the base separators 5 as positioning guide on which Slots 25 of panels 24 are housed. It should be observed that a single panel is represented in figure 10.

In a fourth stage represented in the figure 11, are introduced into the grooves of the panels of the two rows lower, the sliding organs of a U-separator 13 to position this separator above the base separator 5 on which is clamped.

It should be observed, as can be seen in the Figure 13 in which the base separator is not represented, which the guiding parts 16 of the separator 13 protrude from a panel of a row in front of the separator, to allow positioning of a panel of a top row with the one facing the separator.

In a fifth stage, represented in the figure 12, a second row of panels is positioned, and then a second row of U separators.

Obviously, the invention is not limited to the only embodiment of this apparatus, described above by way of example, but instead covers all variants covered by the appended claims.

Claims (17)

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1. Panel assembly device (24) intended to form a lost formwork, comprising:

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a set of panels (24) comprising grooves (25) that they have a counterpulse shape that flow laterally on an inner face of the panel (24) and longitudinally on a upper and lower panel edge (24),

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for the less a panel separator (5, 13) comprising on both sides a sliding organ (7, 16, 17, 18) that has a shape by at least partially complementary to that of a groove (25), intended to be slid vertically in a groove by the edge top of a panel (24),

comprising the assembly device also a support (1) fixed on the floor in the axis of the wall a build, on which a base separator (5) of way that determines the relative orientation of the base separator (5) with respect to the support (1), characterized because the separators are different elements from each other, because each separator (5, 13) comprises some fixing means on another spacer (5, 13) adjacent in the vertical sense to form a succession of parallelograms undeformable, and because the sliding organs of the base separator (5) are intended to be received in a slot  (25) of the panels in the bottom row of the assembly when you have Place the positioning of this lower row. 2. Device according to claim 1, in the that the base separator can be fitted on the support in certain fixing locations. 3. Device according to one of the claims 1 and 2, in which the support is constituted by a flat profile and flexible. 4. Panel assembly device according to one of claims 1 to 3, comprising means of fixation and solidarity of the set comprising the support (1) and the base separator (5) to the foundation or to the slab, at the level of the axis of the wall to build. 5. Panel assembly device according to the claim 4, wherein the fixing means and of solidarity of the set comprising the support (1) and the base separator (5) have a hole (2) and a pin (3) of complementary form, being the pin (3) perforated by a hole through (4) that allows the passage of a fixing rod and solidarity 6. Panel assembly device according to one of claims 1 to 5, wherein the support (1) comprises fixing means (2) for a base separator (5) separated at regular distance. 7. Panel assembly device according to one of claims 1 to 6, wherein at least one separator (13) comprises the sliding elements that have a semi-cylinder shaped profile (17). 8. Panel assembly device according to one of claims 1 to 7, wherein the organs of sliding (7, 16, 17, 18) of at least one separator (5, 13) they comprise a first upper part (7, 16) of guidance, preferably in the form of a cylinder, which protrudes from a panel of a row in front of the separator and intended for positioning a panel of a row superior to the one in front of the separator. 9. Panel assembly device according to claim 8, wherein the sliding members (16, 17, 18) of at least one separator (13) comprise a second part smaller diameter (18) that can be embedded in the first upper guide part (7, 16) of an adjacent separator (5, 13). 10. Panel assembly device according to one of claims 1 to 9, wherein at least one separator (13) has a U or H shape, with a portion intermediate that joins two uprights that comprise the organs of sliding (16, 17, 18). 11. Device according to claim 10, which it comprises a closing terminal (30) of the formwork that has at least one slot (31, 32) in its peripheral edges, in which it is received at least a portion of the amounts of a separator (13). 12. Panel assembly device according to claim 11, comprising at least one terminal (30) of closing of the formwork, that presents in its peripheral edges a first and second slots (31, 32), the distance between the first slot (31) and a first face of the terminal superior to the distance between the second slot (32) and a second face of the terminal.

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13. Panel assembly device according to one of claims 1 to 12, wherein the upper edge and / or the lateral edge of the panels (24) has parts that stand out (27, 28) or hollow in a complementary manner to hollow parts or in projection arranged on the bottom edge of the panel (24) adjacent in the vertical direction or a side panel edge (24) adjacent in the horizontal direction. 14. Assembly device according to claim 13, wherein at least one part in protrusion (27) It extends over the entire length of the panel (24). 15. Panel assembly device according to one of claims 1 to 14, wherein the grooves of the Panels (24) are arranged with regular spacing. 16. Panel assembly device according to one of claims 1 to 15, wherein the means of fixing the separators (5, 13) are pincer means that they comprise a hook (21 ') intended to cooperate with a recess (21) practiced in an adjacent separator (5, 13) comprising a retaining edge, the recess (21) being open at minus one direction transverse to the retention direction of the flange. 17. Panel assembly device according to one of claims 1 to 16, wherein a base separator (5) has a height less than a third of the height of a separator (13) that is not a base separator.