FR2758841A1 - PART FOR FIXING A COATING STABILIZATION MESH - Google Patents

Abstract

The fixture consists of a base (3) which is fixed to the supporting surface by a fastener (5) and has a spacer leg (9) with a hook-shaped end (10) to engage with the mesh or rod. The spacer leg (9) has a support (11) for the trellis section or rod engaged with the hook, with the edges (12,14) of the support and hook offset relative to one another for easy fitting of the fixing. The fixing can be made from metal or plastic, depending on requirements.

Description

FIXING PART OF A MESH OF

COATING STABILIZATION

  In the field of construction, and in particular of civil engineering, old infrastructures sometimes require renovation and reinforcement works. Generally, a metal stabilization reinforcement is integrated into the layer of

renovation or reinforcement.

  The frame is most often a trellis comprising crossed metal rods which should be fixed to the support

  before pouring or spraying the coating.

  The invention originates from a problem of fixing

trellis.

  There are two ways to attach the trellis to the support.

  The first method of fixing consists in pressing the trellis on the support, using holding jumpers and anchoring elements of the jumpers, or even by way of example using metal strips which are closes around the trellis rods and is fixed to the ground using a fixing element to form a grommet

  holding the support material together.

  It is also possible, according to the second more efficient fixing method, to position and fix the mesh at a distance from the support material, in order to obtain better reinforcement of the support. The remote holding and fixing pieces, objects of FR-8804232-A1, each include a ground support base, pierced with a hole for the passage of a fixing element, extended by an inclined spacer part on the support base and whose folded free end is intended to be closed around a trellis rod using a clamping device. The positioning of the rod relative to the ground is adjustable, by tilting the spacing part. The installation of these parts is long and tedious in particular because of the pinching and positioning stages relative to the ground. In addition, the positioning is fragile and the distance between the trellis and the ground risks being

  damaged, especially during the passage of workers.

  Another part, intended for fixing the rod only, object of US-3870428, also comprises a support base intended to be anchored to the ground by means of a fixing element, integral with a folded central part at right angles, the folded free end of which forms a hook for attachment to a horizontal rod

  positioned relative to the ground by means of uprights.

  The use of such a stud system

  positioning and fasteners is complicated and cumbersome.

  The invention aims to position and securely fix a trellis away from the support material, quickly

and simple.

  To this end, the invention relates to a part for fixing a coating stabilization mesh, or a rod, to a support material, comprising a support base intended to be anchored to the support material, secured to means of receiving a strand of trellis or the rod, via a spacer leg, characterized in that it comprises means for supporting the strand

  of trellis, or rod, received in the receiving means.

  Thanks to the invention, it suffices to introduce the trellis strand into the receiving means and to anchor the support base to the ground, without it being necessary to close the receiving means around

the stem.

  In addition, the part allows to fix strands of trellis or

rods of different dimensions.

  Advantageously, the reception means and the support means are offset laterally with respect to each other, in order to facilitate the introduction of the strand, or of the rod, into the reception means. Preferably, the spacer leg is extended laterally by a support wing having a support edge for

the trellis strand or rod.

  More preferably, another edge of the support wing acts as an additional support foot for the fastening piece against

the support material.

  Thanks to this, the stability of the fixing piece is improved.

  In a preferred embodiment of the invention, the folded free end of the spacer leg is arranged in

  means for receiving the strand or the rod.

  The invention will be better understood using the description

  following of a preferred embodiment of the fastener of the invention, with reference to the accompanying drawing in which: - Figure 1 shows a perspective view of the fastener; - Figure 2 shows a rear view of the fixing part of Figure 1; - Figure 3 shows a side view of the fixing part of Figure 1 during fixing; - Figure 4 shows a side view of the fixing part after fixing; and - Figure 5 shows a view of a lattice strand during

two fixing steps.

  Fasteners 1, such as that shown in FIG. 1, are intended to fix a coating stabilization mesh to a support material 2, at a distance from the

support material 2.

  In the particular example of the description, the material

  support 2 is a pavement intended to be covered with a layer of bitumen in which is integrated the trellis comprising a plurality of rods, or "strands", intersecting forming a frame

  to fight against deformations of the paved road.

  The fixing part 1, here made of sheet metal, comprises a support base 3, here of rectangular shape, pierced with an orifice 4 for the passage of a fixing element 5, in this case a buffer comprising a rod with one pointed free end and another

  end supporting a support head.

  The orifice 4 is formed at the top of a truncated cone projecting from the support base 3, and has an opening diameter substantially equal to the diameter of the rod but less than the diameter

of the stamp head.

  The pointed end portion of the pad 5 is surrounded by a ring 6, here made of plastic, for guiding in the tool.

fixation.

  The rectangular support base 3 is extended, on one side, by a spacer leg 9 making a substantially right angle relative to the support base 3. The free end 10 of the spacer leg is curved in the form of a hook, on the side opposite the support base 3, in order to form a fold 10 for receiving the strand of

trellis 100.

  The spacer leg 9 is extended laterally by a support wing 11, folded at right angles to the leg 9, opposite the support base 3 and offset laterally relative to the fold 10, in order to facilitate the introduction of the lattice strand 100 into the

  fallback 10 as will be explained below.

  The support wing 11, of substantially rectangular shape, comprises an upper support edge 12 for the lattice strand 100 introduced into the receiving fold 10, parallel to the support base 3, and a lower edge 13 d additional support of the fixing piece 1 against the roadway 2, parallel to the upper support edge

  12-and extend in the plane of the support base 3.

  The height of the support wing 11, in other words the distance separating the two support edges, upper 12 and lower 13 defines the elevation height of the trellis 100 relative to the roadway 2

for fixing.

  On the other hand, the distance between the strand support edge 12 and the bottom of the strand receiving fold 10 defines the diameter

  maximum trellis strand 100 that can be received in the fold 10.

  Finally, it will be noted that the lateral edge 14 of the free end of the fold, adjacent to the support wing 11, is cut at an angle to further facilitate the introduction of the strand 100 into the fold 10 after passing between the biased side edge 14 and the upper bearing edge 12. The width of the insertion passage equal to the distance separating these two edges 12, 14, is substantially equal to the maximum diameter of

  lattice strand 100. The edge 14 could also be curved.

  After the structural description of the fastener, its

  use to fix a lattice strand 100 will now be

described.

  The fixing consists first of all in introducing the strand 100 into the receiving fold 10, then in anchoring the support base 3 in the

support material 2.

  For the introduction of the strand 100 into the fold 10, and with reference to FIG. 5, the fixing piece 1 is inclined relative to the strand 100, the biased edge 14 of the fold 10 being positioned

parallel to strand 100.

  The fixing part 1 is then engaged on the mesh strand 100 which has passed through the introduction passage provided

  between the biased edge 14 of the fold 10 and the edge 12 of strand support.

  Then the fixing piece 1 is pivoted around the support edge 12 until the support base 3 is pressed against the roadway 2. Finally, the buffer 5 is forced into the roadway

2, to anchor the support base 3.

  In order to fix the mesh strand even more securely, the fold 10 could also be closed around the strand 100 using

  a hammer, as shown in Figure 4.

  A metal fastener has been described above.

  Of course, we could also consider carrying it out in terms of

  plastic, according to a conformation adapted to this kind of material.

Claims (4)

  1 - Piece for fixing a trellis (100) for stabilizing the coating, or a rod, to a support material (2), comprising a support base (3) intended to be anchored to the support material (2) , integral with means (10) for receiving a strand of lattice (100) or the rod, by means of a spacer leg (9), characterized in that it comprises means (12 ) supporting the mesh strand (100), or the rod, received in the receiving means (10).   2 - fastener according to claim 1, wherein the receiving means (10) and the support means (12) are offset laterally relative to each other, to facilitate the introduction of the strand , or of the rod, in the receiving means (10).   3 - fastening piece according to one of claims 1 and 2,   in which the spacer leg (9) is extended laterally by a support wing (11) having a support edge (12) for the trellis strand (100) or rod.   4 - fastener according to claim 3, wherein another edge (13) of the support wing (11) acts as an additional support foot of the fastener (1) against the support material 2s (2).   - Fastening piece according to one of claims 1 to 4,   in which the folded free end of the spacer leg (9)   is arranged in receiving means (10) of the strand (100) or of the rod.   6.- fastening piece according to one of claims 1 to 5,   in which the receiving means (10) comprise a lateral edge (14) adjacent to the support means (12) and arranged to facilitate the   passage of the mesh strand (100) or the rod.