Fencing mesh and fence

Abstract

A fencing mesh for protecting an interior space from projectiles, comprising a first set of wires which are arranged essentially parallel with respect to each other and a second set of wires which are arranged essentially parallel with respect to each other, have a greater tensile strength than the wires of the first set and intersect the first set of wires. In addition, the present invention relates to a fence comprising such a fencing mesh.

Claims

1. Fencing mesh for protecting an interior space from projectiles, comprising a first set of wires which are arranged essentially parallel with respect to each other and a second set of wires which are arranged essentially parallel with respect to each other and intersect the first set of wires, wherein the wires of the first set are connected to the wires of the second set at the locations where they intersect and the wires of the second set have a greater tensile strength than the wires of the first set, wherein the wires are welded to one another in order to connect them to each other.

2. Fencing mesh according to claim 1, characterized in that the wires of the first set have a tensile strength of less than 550 MPa.

3. Fencing mesh according to claim 2, characterized in that the wires of the first set have a tensile strength of more than 300 MPa.

4. Fencing mesh according to claim 1, characterized in that the wires of the first set have a diameter of at most 3 mm.

5. Fencing mesh according to claim 1, characterized in that the wires of the second set have a tensile strength of more than 550 MPa.

6. Fencing mesh according to claim 1, characterized in that the wires of the second set have a diameter of at least 3 mm.

7. Fencing mesh according to claim 1, characterized in that an intermediate distance between the wires of the first set is smaller than an intermediate distance between the wires of the second set.

8. Fencing mesh according to claim 1, characterized in that an intermediate distance between the wires of the first set is essentially 20 mm.

9. Fencing mesh according to claim 1, characterized in that an intermediate distance between the wires of the second set is essentially 40 mm.

10. Fencing mesh according to claim 1, characterized in that the wires of the second set are made of steel.

11. Fencing mesh according to claim 1, characterized in that the wires of the first set are made of steel.

12. Fencing mesh according to claim 1, characterized in that the wires of the first set intersect the wires of the second set essentially at right angles.

13. Fencing mesh according to claim 1, characterized in that the wires of the second set are designed to extend essentially vertically in the fitted position of the fencing mesh.

14. Fence for protecting an interior space from projectiles, comprising a post and a fencing mesh which is attached to said post, characterized in that the fencing mesh is a fencing mesh according to claim 1.

15. Fence according to claim 14, characterized in that the wires of the first set are arranged substantially facing the interior space and the wires of the second set are arranged substantially facing away from the interior space.

16. Fence according to claim 14, characterized in that the fencing mesh is attached to the post at an intermediate distance from said post.

17. Fence according to claim 1, characterized in that the wires of the first set have a tensile strength of less than 550 MPa and more than 300 MPa, that the wires of the first set have a diameter of at most 3 mm, the wires of the second set have a tensile strength of more than 550 MPa, the wires of the second set have a diameter of at least 3 mm, an intermediate distance between the wires of the first set is essentially 20 mm, an intermediate distance between the wires of the second set is essentially 40 mm, the wires of the second set are made of steel, the wires of the first set are made of steel, the wires of the first set intersect the wires of the second set essentially at right angles, and the wires of the second set are designed to extend essentially vertically in the fitted position of the fencing mesh.

18. Fence according to claim 1, characterized in that the wires of the first set have a tensile strength of less than 550 MPa and more than 300 MPa and a diameter of at most 3 mm, the wires of the second set have a tensile strength of more than 550 MPa and a diameter of at least 3 mm, an intermediate distance between the wires of the first set is smaller than an intermediate distance between the wires of the second set, the wires of the first set intersect the wires of the second set essentially at right angles, and the wires of the second set are designed to extend essentially vertically in the fitted position of the fencing mesh.

19. Fence according to claim 1, characterized in that an intermediate distance between the wires of the first set is smaller than an intermediate distance between the wires of the second set, the intermediate distance between the wires of the first set is between 15 mm and 35 mm and the intermediate distance between the wires of the second set is between 30 mm and 70 mm, the wires of the first set intersect the wires of the second set essentially at right angles, and the wires of the second set are designed to extend essentially vertically in the fitted position of the fencing mesh.

20. Fence according to claim 1, characterized in that the wires of the first set have a tensile strength of less than 550 MPa and more than 300 MPa and a diameter of at most 3 mm, the wires of the second set have a tensile strength of more than 550 MPa and a diameter of at least 3 mm.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) The present invention will now be described in more detail by means of the following detailed description of a few preferred embodiments of a fencing mesh and a fence according to the present invention. The aim of this description is solely to give illustrative examples and to indicate further advantages and particulars of the present invention, and can thus not be interpreted as a limitation of the area of application of the invention or of the patent rights defined in the claims.

(2) In this detailed description, reference numerals are used to refer to the attached drawings, in which:

(3) FIG. 1 shows an embodiment of a fencing mesh according to the present invention in front view;

(4) FIG. 2 shows a detail of the fencing mesh from FIG. 1;

(5) FIG. 3 shows an embodiment of a fence according to the present invention in perspective view;

(6) FIG. 4 shows the top right-hand corner of the fence from FIG. 3 in more detail in perspective view;

(7) FIG. 5 shows the top right-hand corner of the fence from FIG. 3 in more detail in cut-away perspective view.

(8) The fencing mesh (1) illustrated in FIGS. 1-5 comprises a first set of wires (2) which are arranged essentially parallel to one another and which, as can be seen in FIGS. 3-5, extend essentially horizontally in the fitted position of the fencing mesh (1). In addition to this first set of wires (2), the fencing mesh (1) also comprises a second set of wires (3) which are arranged essentially parallel to one another and extend essentially vertically in the fitted position of the fencing mesh (1).

(9) The wires (2, 3) in each case comprise a round cross section. Alternative cross sections are conceivable, but less preferred. These wires (2, 3) are preferably made of steel.

(10) The wires (2) of the first set have a tensile strength of between 300 MPa and 550 MPa. To this end, they have a diameter of at most 3 mm.

(11) The wires (3) of the second set have a tensile strength of more than 550 MPa. To this end, they have a diameter of at least 3 mm.

(12) In the first embodiment illustrated in FIGS. 1-5, the wires (2) of the first set and the wires (3) of the second set are welded to one another where they intersect. In this way, a fencing mesh (1) having essentially rectangular meshes is obtained. In the illustrated embodiments, the fencing mesh (1) in each case comprises rectangular meshes. In alternative, but less preferred embodiments, a fencing mesh according to the present invention may also be provided with different kinds of mesh shapes, such as for example diamond-shaped meshes or hexagonal meshes, etc.

(13) The intermediate distance between the wires (2) of the first set is then chosen to be between 15 mm and 35 mm and is preferably essentially 20 mm. The intermediate distance between the wires (3) of the second set is then chosen to be between 30 and 70 mm and is preferably essentially 40 mm. These intermediate distances are preferably measured between the centres of the weld spots of the wires (2, 3). The term essentially is used to indicate that these values correspond to the values given within a certain tolerance. For the first set of wires (2), this tolerance is preferably 1 mm. For the second set of wires (3), this tolerance is preferably 2 mm. These dimensions and the above-described tensile strengths of the wires (2, 3) are chosen such that the most common rocket-launched grenades can be caught in the meshes, so that this projectile becomes lodged and detonates at the location of this fencing mesh. In this case, the fencing mesh (1) absorbs the kinetic energy of the projectile, due to the flexibility of the wires (2) of the first set. The impact on the fence (5) in this case remains limited to a minimum, partly due to the strength of the wires (3) of the second set. In this way, the fence (5) is as impenetrable as possible, both before and after the impact, partly due to the small intermediate distance between the wires (2) of the first set.

(14) As a result of the strength of the wires (3) of the second set, such a fencing mesh (1) can be made to relatively large sizes and can be placed with a minimum of support.

(15) FIGS. 3-5 show how a fencing mesh (1) according to the present invention can be incorporated in a fence (5). This may be effected in a variety of ways by attaching it to posts (4) using all kinds of possible attachment means (6). In the illustrated embodiment, the fencing mesh (1) is attached here to a post (4) by means of attachment means (6) at an intermediate distance. To this end, these attachment means (6) may comprise, for example a bolt (7), nuts (11), washers (8), a clamp (9) and a clamping plate (10), as is illustrated in FIG. 5.