MULTI-AXIAL GRID NETTING

Abstract

Described is a permeable multi-axial grid netting comprising a plurality of first and second threads which are interlaced and superposed to form a grid whose meshes present an irregular and/or regular closed broken line; each first and second thread comprises a plurality of strands defined by thin, elongate elements placed side by side and joined to each other by impregnation with an adhesive resin.

Description

TECHNICAL FIELD

This invention relates to a multi-axial grid netting.

1. Background Art

More specifically, the invention addresses the field of grid nettings combining high strength and elasticity with functionality and attractive appearance.

However, grid nettings known up to now are, over time, subject to maintenance which increases overall maintenance costs.

2. Disclosure of the Invention

This invention has for an aim, in particular, to provide a multi-axial grid netting that is strong, light in weight and at the same time does not require maintenance over time.

The technical purpose and aims specified are achieved by a multi-axial grid netting having the features set out in independent claim 1.

BRIEF DESCRIPTION OF THE DRAWINGS

The invention will now be described with reference to the accompanying drawings which illustrate a non-limiting embodiment of it and in which:

FIG. 1 shows an architectural facing comprising multi-axial grid netting according to this invention;

FIG. 2 shows a perspective view of a module of the architectural facing of FIG. 1;

FIG. 3 shows a second perspective view of the module of FIG. 2;

FIG. 4 shows a scaled-up detail of the module of FIG. 3;

FIG. 5 shows a first embodiment of a tile comprising the multi-axial grid netting according to the invention;

FIG. 6 shows a scaled-up detail of the tile of FIG. 5;

FIG. 7 shows a second embodiment of a the comprising the multi-axial grid netting according to the invention;

FIG. 8 shows a scaled-up detail of the tile of FIG. 7;

FIG. 9 shows a perspective view of an aircraft seat comprising the multi-axial grid netting according to the invention;

FIG. 10 shows a perspective view of a seat comprising the multi-axial grid netting according to the invention;

FIG. 11 shows a schematic sectional view of the multi-axial grid netting according to the invention.

DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS OF THE INVENTION

With reference to FIGS. 1 to 10, the numeral 1 denotes a multi-axial grid netting

More specifically, the multi-axial grid netting 1 according to the invention is a permeable netting because it comprises a grid 2 whose meshes 3 are open from one side to the other.

The grid netting 1 is defined as multi-axial in that it comprises a plurality of first and second threads 4 and 5 which are interlaced and superposed along respective directions of extension.

The term “to interlace” means to join or interconnect by superposing and crossing the first and second threads 4 and 5 to form the grid netting 1.

In effect, the grid netting 1 is made by superposing threads 4 and 5 according straight and/or curved, following methods not suitable for the weaving of fabrics.

The term “superposing” is used to exclude the lamination process by which, for example, non-woven fabrics are made.

FIG. 11 shows how the first and second threads 4 and 5 are superposed and crossed.

The directions of extension of the first and second threads 4 and e inclined to each other at angles in the range between 0° and 90°.

For example, as illustrated in FIG. 2, the limits of the 0° to 90° range are excluded.

The first and second interlaced and superposed threads 4 and 5 define the grid 2.

More precisely, as illustrated in FIGS. 2 to 8, the meshes 3 of the grid 2 present a closed broken line 6 which is irregular, in particular whose sides differ in length and make different angles with each other.

With reference in particular, to FIG. 6, the meshes 3 of the grid 2 present a closed broken line 6 which is regular, that is to say, whose sides are the same in length and whose angles are the same with each other.

The meshes 3 of the grid 2 illustrated to FIG. 6 present a closed broken line 6 of which at least one side is of a different length than the other or/and of which at least one angle is different than the others.

As may be inferred from the accompanying drawings, the meshes 3 of the grid 2 present irregular and/or regular closed broken lines 6.

Each first and second thread 4, 5 comprises a plurality of strands 7 defined by thin, elongate elements placed side by side and joined to each other by impregnation with an adhesive resin 8.

Preferably, the grid netting 1 comprises a plurality of third threads 9 interlaced with the first and second threads 4 and 5 and arranged above, below and in between the first and second threads 4 and 5.

The third threads 9 have their own direction of extension independent of the directions of extension of the first and second threads 4 and 5.

The direction of extension of the third threads 9 is inclined at respective angles to the directions of extension of the first and second threads 4 and 5.

The directions of extension of the first and third threads are inclined to each other at angles in the range between 0° and 90°, excluding and/or including the limits of the range.

The directions of extension of the second and third threads are inclined to each other at angles in the range between 0° and 90°, excluding and/or including the limits of the range.

The grid netting 1 comprises at least one fourth thread 10 superposed over the other threads 4,5 and 9.

The fourth thread 10 is a reinforcing thread for the multi-axial grid netting 1.

The reinforcement thread 10 is superposed over the other threads 4,5 and 9 according to a predetermined configuration depending on the distribution of the load the grid netting 1 is subjected to.

Advantageously, the mutual arrangement of the first, second, third and fourth threads 4,5,9 and 10 making up the grid 2 confers desired strength properties on the grid netting 1.

More specifically, the first, second, third and fourth threads 4,5,9 and 10 may be mutually arranged in such a way as to define high-strength zones on the grid netting 1.

Moreover, the mutual arrangement of the first, second, third and fourth threads 4,5,9 and 10 defines an aesthetically attractive pattern on the grid netting 1.

The threads 4,5,9 and 10 making up the grid 2 of the grid netting 1 are made from materials having a relatively high elastic modulus.

The threads 4,5,9 and 10 may be made from the following materials: carbon, Kevlar, Technora, PBO fibre, polypropylene, polyester, Pentex, Nomex, basalt fibre, Vectran, Spectra fibre, bamboo or hemp.

It should be noted that the threads 4,5,9 and 10 making up the grid 2 of the netting 1 are joined to each other by resins of various different kinds such as, for example, polyester and polyether based polyurethane resins, epoxy resins, carbamate resins, caprolactone resins or polyolefin resins.

The multi-axial grid netting 1 described can be used in a wide variety of applications which require lightweight, high-strength materials with a distinctive aesthetic appeal.

More specifically, the grid netting 1 is designed to be fixed along its perimeter edges 11 to a mounting frame 12 which keeps it tensioned.

In the building construction industry, the grid netting 1 may be mounted in modules for architectural facings 13.

The modules for architectural facings 13 comprise lengths of grid netting 1 coupled to tensioning profiles 14 which keep the lengths of netting tensioned.

Advantageously, the grid netting 1 has a darkening effect, reducing glare, as well as soundproofing and insulating effects.

As illustrated in FIG. 9, the multi-axial grid netting 1 can also be used to make aircraft seats 15 given that the netting 1 does not require maintenance.

Further, as illustrated in FIG. 10, the multi-axial grid netting 1 can be used to make seats 16 in general.

The multi-axial grid netting 1 can also be used in the tile and laminated glass industry.

Indeed, as illustrated in FIGS. 5 to 8, the multi-axial grid netting 1 can be placed in a the 17 to improve cohesion of the material the tile 17 is made of.

Lastly, the multi-axial grid netting according to the invention is economically advantageous over prior art.

The invention described is susceptible of industrial application and may be modified and adapted in several ways without thereby departing from the scope of the inventive concept. Moreover, a the details of the invention may be substituted for technically equivalent elements.

Claims

1. A permeable multi-axial grid netting comprising a plurality of first and second threads which are interlaced and superposed to form a grid whose meshes present an irregular and/or regular closed broken line; each first and second thread comprising a plurality of strands defined by thin, elongate elements placed side by side and joined to each other by impregnation with an adhesive resin.

2. The netting according to claim 1, wherein it comprises a plurality of third threads interlaced with the first and second threads and arranged above, below and in between the first and second threads.

3. The netting according to claim 1, wherein it comprises at least one fourth thread superposed over the other threads; the fourth thread being a reinforcing thread for the grid.

4. The netting according to claim 3, wherein the first, second, third and fourth threads form an aesthetically attractive pattern.

5. The netting according to claim 1, wherein the threads which form the grid are made of carbon and/or Keylar and/or Technora and/or PBO fibre and/or polypropylene and/or polyester and/or Pentex and/or Nomex and/or basalt fibre and/or Vectran and/or Spectra fibre and/or bamboo and/or hemp.

6. The netting according to claim 1, wherein the adhesive resin comprises polyester and polyether based polyurethane resins or epoxy resins or carbamate resins or caprolactone resins or polyolefin resins.

7. A module for architectural facings comprising tensioning profiles and at least one length of multi-axial grid netting according to dill coupled to the tensioning profiles along its perimeter edges.

8. An aircraft seat comprising the multi-axial grid netting according to claim 1.

9. A seat comprising the multi-axial grid netting according to claim 1.

10. A tile comprising the multi-axial grid netting according to claim 1.