US20120241565A1 - Protective net, especially for rockfall protection or for verge securing - Google Patents
Protective net, especially for rockfall protection or for verge securing Download PDFInfo
- Publication number
- US20120241565A1 US20120241565A1 US13/430,276 US201213430276A US2012241565A1 US 20120241565 A1 US20120241565 A1 US 20120241565A1 US 201213430276 A US201213430276 A US 201213430276A US 2012241565 A1 US2012241565 A1 US 2012241565A1
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- US
- United States
- Prior art keywords
- wire
- protective net
- wires
- weave
- bundles
- 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.)
- Abandoned
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 39
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 210000000078 claw Anatomy 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 2
- 240000000581 Triticum monococcum Species 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 229910000639 Spring steel Inorganic materials 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000006223 plastic coating Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
- E01F7/04—Devices affording protection against snowslides, avalanches or falling rocks, e.g. avalanche preventing structures, galleries
- E01F7/045—Devices specially adapted for protecting against falling rocks, e.g. galleries, nets, rock traps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F27/00—Making wire network, i.e. wire nets
- B21F27/02—Making wire network, i.e. wire nets without additional connecting elements or material at crossings, e.g. connected by knitting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/52—Details
- B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/10—Patterned fabrics or articles
- D04B1/102—Patterned fabrics or articles with stitch pattern
- D04B1/108—Gussets, e.g. pouches or heel or toe portions
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2101/00—Inorganic fibres
- D10B2101/20—Metallic fibres
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2505/00—Industrial
- D10B2505/20—Industrial for civil engineering, e.g. geotextiles
- D10B2505/204—Geotextiles
Definitions
- the invention concerns a protective net, especially for rockfall protection or verge securing which is formed by means of a diagonal weave produced from wires and forming a three-dimensional, mattress-like structure.
- a protective net of this type is known from EP-B-0 979 329, which corresponds to U.S. Pat. No. 6,279,858 (Eicher).
- the protective net is designed as a diagonal weave with rhomboid-shaped loops and a three-dimensional mattress-like structure which is woven from individual, spiral-shaped bent wires made of high tensile steel.
- the wires have a very high tensile strength, so that the weave will retain its three-dimensional mattress-like structure even under stretched conditions and can serve to cover an earth surface as a retainer or stabiliser of vegetation layers.
- the wire weave can be folded and takes up little space during storage or transport. Thanks to the high bend resistance of the wires the risk of a ladder forming when a wire breaks is reduced.
- Eicher discloses forming a diagonal weave from individual or single wires, i.e., the wires 11 , 12 , 13 , 14 forming the netting 10 are individual spiral-shaped wires.
- wires may be heavy-duty steel wires 11 , 12 , 13 , 14 , i.e., each wire used in the netting may be a heavy-duty wire.
- Each such heavy-duty steel wire has a nominal strength between 1000 and 2200 N/mm 2 and each heavy-duty wire may comprise a stranded steel wire or a spring steel wire.
- Eicher identifies exemplifying heavy-duty wires that include wires made of steel, which were used for stranded wires, which are defined in the DIN standard 2078, or which were used for spring steel wires, which are defined in the DIN standard 17223.
- a protective net especially for rockfall protection or for verge securing, which is formed by means of a diagonal weave produced from wires and forming a three-dimensional, mattress-like structure, wherein the diagonal weave is woven from wire strands, from wire bundles, or from wire cables.
- Each of the wire bundles or wire cables incorporates two or more wires or wire strands made of steel.
- Each of the wire bundles or wire cables of the diagonal weave is spiral-shaped and consists of straight sections that alternate with bent sections, and in each of the straight sections, the wires or wire strands of the wire bundles or wire cables are twisted one about another.
- the protective net of this invention is woven from individual, spiral-shaped bent wire strands, wire cables, or wire bundles preferably incorporating two or more wires (or wire strands) made of high tensile steel creates a protective net of great firmness which will permit practically no deformation under load, and which does not require loop fixing elements (for example cross clamps).
- the diagonal weave of this invention made of wire strands, wire cables, or wire bundles can be produced practically “infinitely” on rolls, whereby the longitudinal roll sides preferably incorporate very firm edge knots in the form of loops formed from wire strand, wire cable, or wire bundle ends.
- FIG. 1 shows an overview of a loop of a protective net of this invention
- FIG. 2 shows a partial overview of a protective net
- FIG. 3 shows a partial side view of the net according to FIG. 1 ;
- FIG. 4 shows a schematic view of a protective net system forming verge securing on a slope.
- FIGS. 1 and 2 show respectively a protective net for securing an earth surface layer such as for example for verge securing or securing of a rock wall along a road or suchlike, which here takes the form of a square diagonal weave 10 with four- or multi-cornered loops 17 as an example.
- the diagonal weave 10 is woven from a number of spiral-shaped bent wire strands, wire cables, or wire bundles 11 , 12 , 13 , 14 , which each incorporate two or more wires 22 made of a high tensile steel. These can consist of wires wound from two or more wire strands, or wires wound from two or more wire bundles, or wire strands turned into a wire cable, or a combination of these elements.
- the wires have a nominal strength of between 100 and 2200 N/mm 2 according to DIN Standard 2078, for example one of 1770 N/mm 2 . It is however also possible to use spring wire steel according to DIN Standard 17223.
- the thickness of the wire will depend on the necessary tensile strength and can for example be 3 mm.
- wires 22 are normally galvanised and equipped with a coating of zinc/aluminium and/or a plastic coating or a chrome alloy in order to provide the required corrosion resistance.
- a zinc coating with an area weight of between 100 and 250 g/m 2 can for example be envisaged.
- the wire strands, i.e. wire cables, i.e. wire bundles 11 , 12 , 13 , 14 are flexibly connected with one another in pairs via loops 11 ′′, 12 ′′, whereby these loops 11 ′′, 12 ′′ are formed by the wire strands, i.e. wire cables, i.e. wire bundles 11 , 12 , 13 , 14 themselves that are bent at their ends.
- wire bundles 11 , 12 , 13 , 14 are preferably additionally equipped with several loops 19 wound around their own circumference after having been bent to form loops, which will guarantee sufficient security against an opening up of the same due to the tensile load applied to these loops in a stretched condition.
- the diagonal weave 10 is held on the earth surface at a defined tension by fitting elements 15 sunk into the earth.
- fitting elements 15 Preferably one wire or rope 21 each of the spiral-shaped bent edge wire cable, i.e. edge wire strand, i.e. edge wire bundle 11 located at the upper and lower ends of the weave 10 is inserted back into the same, the same being tensioned by the fitting elements 15 against the floor or suchlike.
- the fitting elements 15 hold the loops 11 ′ directly.
- the individual spiral-shaped bent wire strands, wire cables, or wire bundles 11 , 12 , 13 , 14 incorporate an angle of incline ⁇ as well as a length L between two bends which determine the form and size of the loops 17 of the diagonal weave 10 . It is of advantage for the angle of inclination ⁇ if an angle value of approximately 20 to 35° can be selected.
- the individual loops 17 each form a rhomboid, whereby the loop width can be 77 ⁇ 143 mm for example. This offers the advantage that the weave 10 will not stretch significantly when the same is laid out on the earth surface and tensioned by means of the ropes 21 in a longitudinal direction.
- the individual loops 17 form a rhomboid with an elongated opening in this way. This has the advantage of a reduced permeability to earth material.
- the individual wire strands, wire cables, or wire bundles 11 , 12 , 13 , 14 are flexibly held in their woven condition with the result that the diagonal weave 10 can be folded like a mat, i.e. rolled up. Accordingly very little space is required for storage and transport of such weaves.
- the weave 10 incorporates a three-dimensional mattress-like structure which is made possible by the use of the high tensile steel wire.
- the individual wire strands, wire cables, or wire bundles 11 , 12 , 13 , 14 are spiral-shaped and bent for this purpose, and then interwoven with one another, so that the weave 10 resulting from this forms an almost rectangular circumference when viewed in cross-section.
- the wire strands, wire cables, or wire bundles therefore consist of bent sections 11 ′ and straight sections 91 , in the latter of which the wires 22 are twisted about one another (see FIGS. 1 and 3 ).
- This elongated rectangle has a thickness 10 ′ of several wire cable, i.e. wire strand thicknesses.
- this wire weave 10 is three-dimensional even in a pre-tensioned condition. This results in an increased springiness of the weave for one, as the wire strands, wire cables, or wire bundles can be stretched in a longitudinal direction with increasing tension and will give this mesh weave an increased elasticity.
- this three-dimensional design provides additional support or stability of the vegetation layers covered by this weave or after coating of earth surfaces, for example verges.
- the protective net of this invention is woven from individual spiral-shaped bent wire strands, wire cables, or wire bundles incorporating two or more wires made from high tensile steel turned to form a wire strand or a wire bundle, or two or more wire strands made from high tensile steel turned to form a wire cable, means that a very firm protective net is created which permits practically no deformation under load, and which does not require loop fixing elements (for example cross clamps).
- the diagonal weave of this invention made from wire strands, wire cables, or wire bundles can be produced practically “infinitely” on rolls, whereby the longitudinal roll sides preferably incorporate very firm edge knots in the form of loops formed from wire strand, wire cable, or wire bundle ends.
- the protective nets can however also consist of wire strands, wire bundles, spiral cables with thinner or thicker wires that are not, or only partly made from high tensile steel.
- FIG. 1 also shows, at the bent section 11 ′ at the top of the figure, that the wires 22 of the wire bundles or wire cables 11 , 12 , 13 , 14 are twisted (wound) only partly, not regularly one to each other, e.g., the wires 22 are nearly parallel arranged one to each other and/or at least partly at distance one from each other.
- FIG. 4 shows a protective net system 10 according to this invention, which is here used for verge securing 40 , for example of a verge 45 located on a steep slope which forms the earth surface layer that is to be secured.
- This verge securing 40 consists of the wire weave 10 laid out across a desired verge area and the fitting elements 15 sunk into the ground with which the weave 10 is secured on the earth surface, i.e. claw plates or suchlike.
- the fitting elements 15 known ground or rock nails are required, which are preferably affixed at regular intervals into the verge 45 .
- a rope 21 is envisaged with which the weave 10 can be stretched and tensioned.
- a wire strand, a wire bundle, a wire cable 11 , 12 , 13 , 14 or suchlike is introduced at a defined angle of inclination ⁇ during a first step at least as far as a spike of a means not illustrated in detail here and bent around the spike in a defined length L by approximately 180°.
- the wire strand, the wire bundle, the wire cable 11 , 12 , 13 , 14 or suchlike is advanced by the defined length L several times around its longitudinal axis in relation to the spike 66 and bent around the spike by 180° each time until this wire strand, wire bundle, wire cable 11 , 12 , 13 , 14 or suchlike has taken on a spiral-shaped form.
- spiral-shaped bent wire strands, wire bundles, wire cables 11 , 12 , 13 , 14 or suchlike have been created the same are woven together with a second spiral-shaped bent wire strand, wire bundle, wire cable or suchlike, then the second with a third, and repeated until the wire weave has reached the desired size.
- high tensile wires are used at least in part for these wire strands, wire bundles, or wire cables. It is however also possible to use wires with less firmness. The fact that thicker wire bundles can be used as opposed to individual wires results in an increased overall firmness.
Abstract
A protective net, especially for rockfall protection or for verge securing, with a diagonal weave, is formed by a three-dimensional mattress-like structure. The same is woven from individual spiral-shaped bent wire strands, wire bundles, wire cables or suchlike, which incorporate two or more wires or wire strands made of steel. It is of great advantage if the wire strands, wire cables, or wire bundles or suchlike are made at least in part from high tensile steel, and if the protective nets can therefore be equipped with very great strength.
Description
- This application is a continuation of U.S. patent application Ser. No. 11/628,937 filed Dec. 7, 2006, incorporated by reference herein.
- The invention concerns a protective net, especially for rockfall protection or verge securing which is formed by means of a diagonal weave produced from wires and forming a three-dimensional, mattress-like structure.
- A protective net of this type is known from EP-B-0 979 329, which corresponds to U.S. Pat. No. 6,279,858 (Eicher). The protective net is designed as a diagonal weave with rhomboid-shaped loops and a three-dimensional mattress-like structure which is woven from individual, spiral-shaped bent wires made of high tensile steel. The wires have a very high tensile strength, so that the weave will retain its three-dimensional mattress-like structure even under stretched conditions and can serve to cover an earth surface as a retainer or stabiliser of vegetation layers. The wire weave can be folded and takes up little space during storage or transport. Thanks to the high bend resistance of the wires the risk of a ladder forming when a wire breaks is reduced.
- Eicher discloses forming a diagonal weave from individual or single wires, i.e., the
wires netting 10 are individual spiral-shaped wires. Eicher mentions that wires may be heavy-duty steel wires - It is the purpose of this invention to provide a protective net of the type mentioned above and to further improve the same in order to substantially reduce the risk of breakage.
- This task is solved in accordance with the invention by a protective net, especially for rockfall protection or for verge securing, which is formed by means of a diagonal weave produced from wires and forming a three-dimensional, mattress-like structure, wherein the diagonal weave is woven from wire strands, from wire bundles, or from wire cables. Each of the wire bundles or wire cables incorporates two or more wires or wire strands made of steel. Each of the wire bundles or wire cables of the diagonal weave is spiral-shaped and consists of straight sections that alternate with bent sections, and in each of the straight sections, the wires or wire strands of the wire bundles or wire cables are twisted one about another.
- Further preferred embodiments of the protective net of this invention form the subject of the subclaims.
- The fact that the protective net of this invention is woven from individual, spiral-shaped bent wire strands, wire cables, or wire bundles preferably incorporating two or more wires (or wire strands) made of high tensile steel creates a protective net of great firmness which will permit practically no deformation under load, and which does not require loop fixing elements (for example cross clamps).
- The diagonal weave of this invention made of wire strands, wire cables, or wire bundles can be produced practically “infinitely” on rolls, whereby the longitudinal roll sides preferably incorporate very firm edge knots in the form of loops formed from wire strand, wire cable, or wire bundle ends.
- The invention will now be described in more detail with reference to the drawings, whereby:
-
FIG. 1 shows an overview of a loop of a protective net of this invention; -
FIG. 2 shows a partial overview of a protective net; -
FIG. 3 shows a partial side view of the net according toFIG. 1 ; and -
FIG. 4 shows a schematic view of a protective net system forming verge securing on a slope. -
FIGS. 1 and 2 show respectively a protective net for securing an earth surface layer such as for example for verge securing or securing of a rock wall along a road or suchlike, which here takes the form of a squarediagonal weave 10 with four- ormulti-cornered loops 17 as an example. Thediagonal weave 10 is woven from a number of spiral-shaped bent wire strands, wire cables, orwire bundles more wires 22 made of a high tensile steel. These can consist of wires wound from two or more wire strands, or wires wound from two or more wire bundles, or wire strands turned into a wire cable, or a combination of these elements. - The wires have a nominal strength of between 100 and 2200 N/mm2 according to DIN Standard 2078, for example one of 1770 N/mm2. It is however also possible to use spring wire steel according to DIN Standard 17223. The thickness of the wire will depend on the necessary tensile strength and can for example be 3 mm.
- These
wires 22 are normally galvanised and equipped with a coating of zinc/aluminium and/or a plastic coating or a chrome alloy in order to provide the required corrosion resistance. For this a zinc coating with an area weight of between 100 and 250 g/m2 can for example be envisaged. - On the side ends of the
weave 10 the wire strands, i.e. wire cables, i.e.wire bundles loops 11″, 12″, whereby theseloops 11″, 12″ are formed by the wire strands, i.e. wire cables, i.e.wire bundles wire bundles several loops 19 wound around their own circumference after having been bent to form loops, which will guarantee sufficient security against an opening up of the same due to the tensile load applied to these loops in a stretched condition. - The
diagonal weave 10 is held on the earth surface at a defined tension byfitting elements 15 sunk into the earth. Preferably one wire or rope 21 each of the spiral-shaped bent edge wire cable, i.e. edge wire strand, i.e.edge wire bundle 11 located at the upper and lower ends of theweave 10 is inserted back into the same, the same being tensioned by thefitting elements 15 against the floor or suchlike. In principle it is also possible that thefitting elements 15 hold theloops 11′ directly. - The individual spiral-shaped bent wire strands, wire cables, or
wire bundles loops 17 of thediagonal weave 10. It is of advantage for the angle of inclination α if an angle value of approximately 20 to 35° can be selected. Theindividual loops 17 each form a rhomboid, whereby the loop width can be 77×143 mm for example. This offers the advantage that theweave 10 will not stretch significantly when the same is laid out on the earth surface and tensioned by means of theropes 21 in a longitudinal direction. In addition theindividual loops 17 form a rhomboid with an elongated opening in this way. This has the advantage of a reduced permeability to earth material. - The individual wire strands, wire cables, or
wire bundles diagonal weave 10 can be folded like a mat, i.e. rolled up. Accordingly very little space is required for storage and transport of such weaves. - According to
FIG. 3 theweave 10 incorporates a three-dimensional mattress-like structure which is made possible by the use of the high tensile steel wire. The individual wire strands, wire cables, orwire bundles weave 10 resulting from this forms an almost rectangular circumference when viewed in cross-section. The wire strands, wire cables, or wire bundles therefore consist ofbent sections 11′ andstraight sections 91, in the latter of which thewires 22 are twisted about one another (seeFIGS. 1 and 3 ). This elongated rectangle has athickness 10′ of several wire cable, i.e. wire strand thicknesses. This means that thiswire weave 10 is three-dimensional even in a pre-tensioned condition. This results in an increased springiness of the weave for one, as the wire strands, wire cables, or wire bundles can be stretched in a longitudinal direction with increasing tension and will give this mesh weave an increased elasticity. On the other hand this three-dimensional design provides additional support or stability of the vegetation layers covered by this weave or after coating of earth surfaces, for example verges. - The fact that the protective net of this invention is woven from individual spiral-shaped bent wire strands, wire cables, or wire bundles incorporating two or more wires made from high tensile steel turned to form a wire strand or a wire bundle, or two or more wire strands made from high tensile steel turned to form a wire cable, means that a very firm protective net is created which permits practically no deformation under load, and which does not require loop fixing elements (for example cross clamps).
- The diagonal weave of this invention made from wire strands, wire cables, or wire bundles can be produced practically “infinitely” on rolls, whereby the longitudinal roll sides preferably incorporate very firm edge knots in the form of loops formed from wire strand, wire cable, or wire bundle ends.
- Basically the protective nets can however also consist of wire strands, wire bundles, spiral cables with thinner or thicker wires that are not, or only partly made from high tensile steel.
-
FIG. 1 also shows, at thebent section 11′ at the top of the figure, that thewires 22 of the wire bundles orwire cables wires 22 are nearly parallel arranged one to each other and/or at least partly at distance one from each other. -
FIG. 4 shows aprotective net system 10 according to this invention, which is here used for verge securing 40, for example of averge 45 located on a steep slope which forms the earth surface layer that is to be secured. - This verge securing 40 consists of the
wire weave 10 laid out across a desired verge area and thefitting elements 15 sunk into the ground with which theweave 10 is secured on the earth surface, i.e. claw plates or suchlike. For thefitting elements 15 known ground or rock nails are required, which are preferably affixed at regular intervals into theverge 45. At the upper and lower end of the weave 10 arope 21 is envisaged with which theweave 10 can be stretched and tensioned. - With such a protective net system it is possible to optimally secure a slope. It is also possible with the net design of this invention to absorb large advancing forces caused by stones or rocks falling into the verge without problem.
- With a method according to this invention for producing a protective net 10 a wire strand, a wire bundle, a
wire cable wire cable wire cable wire cables - It is preferred that high tensile wires are used at least in part for these wire strands, wire bundles, or wire cables. It is however also possible to use wires with less firmness. The fact that thicker wire bundles can be used as opposed to individual wires results in an increased overall firmness.
Claims (20)
1. Protective net, especially for rockfall protection or for verge securing, which is formed by means of a diagonal weave produced from wires and forming a three-dimensional, mattress-like structure, wherein the diagonal weave is woven from wire strands, from wire bundles, or from wire cables,
each of the wire bundles or wire cables incorporating two or more wires or wire strands made of steel,
each of the wire bundles or wire cables of the diagonal weave being spiral-shaped and consisting of straight sections that alternate with bent sections, and
in each of the straight sections, the wires or wire strands of the wire bundles or wire cables being twisted one about another.
2. Protective net according to claim 1 , wherein the wires, wire strands, wire cables, or wire bundles are made at least in part from high tensile steel.
3. Protective net according to claim 1 , wherein the wires, wire strands, wire cables, or wire bundles are flexibly connected with one another at their ends in pairs via loops.
4. Protective net according to claim 3 , wherein the wires, wire strands, wire cables, or wire bundles are additionally equipped with at least one loop wound around their own circumference following their bending into loops.
5. Protective net according to claim 1 , wherein the wires or wire strands forming the wire cables or wire bundles are corrosion resistant.
6. Protective net according to claim 1 , wherein the wires or wire strands forming the wire cables or wire bundles have a nominal strength within a range of 1000 to 2200 N/mm2.
7. Protective net according to claim 1 , wherein the spiral-shaped, bent wires, wire strands, wire cables, or wire bundles forming the diagonal weave have an angle of inclination (α) of preferably between 25° to 35°.
8. Protective net according to claim 1 , wherein a verge securing incorporates the wire weave, fitting elements that can be sunk into the ground with claw plates or other means for holding the weave to the earth surface, and at least one rope on the surface, holding and stretching the weave.
9. Method for producing a protective net according to claim 1 , wherein a wire bundle, or a wire cable is introduced at a defined angle of inclination (α) at least up to a spike of a means and bent around said spike in a defined length (L) by approximately 180°, and in that the wire bundle or the wire cable is advanced by the defined length L several times around its longitudinal axis in relation to the spike and bent around the spike by 180° each time until this wire bundle or wire cable has taken on a spiral-shaped form.
10. Method according to claim 9 , wherein a spiral-shaped bent wire bundle or a wire cable is woven together with a second spiral-shaped bent wire bundle, or a wire cable, the second with a third, and repeated until the wire weave has reached the desired size.
11. Protective net formed by means of a diagonal weave produced from individual wires and forming a three-dimensional, mattress-like structure, wherein
the diagonal weave is woven from wire bundles or from wire cables,
each of the wire bundles or wire cables incorporates two or more of the individual wires made of steel,
each of the wire bundles or wire cables is spiral-shaped and consists of straight sections that alternate with bent sections, and
in each of the straight sections, the wires are twisted one about another.
12. Protective net according to claim 11 , wherein the wires are made at least in part from high tensile steel.
13. Protective net according to claim 11 , wherein the wire cables or wire bundles are flexibly connected with one another at their ends in pairs via loops.
14. Protective net according to claim 13 , wherein the wire cables, or wire bundles are additionally equipped with at least one loop wound around their own circumference following their bending into loops.
15. Protective net according to claim 11 , wherein the wires are corrosion resistant.
16. Protective net according to claim 11 , wherein the wires have a nominal strength within a range of 1000 to 2200 N/mm2.
17. Protective net according to claim 11 , wherein the wire cables, or wire bundles forming the diagonal weave have an angle of inclination (α) of preferably between 25° to 35°.
18. Protective net according to claim 11 , wherein a verge securing incorporates the wire weave, fitting elements that can be sunk into the ground with claw plates or other means for holding the weave to the earth surface, and at least one rope on the surface, holding and stretching the weave.
19. Method for producing a protective net according to claim 11 , wherein a wire bundle or a wire cable is introduced at a defined angle of inclination (α) at least up to a spike of a means and bent around said spike in a defined length (L) by approximately 180°, and in that the wire bundle or the wire cable is advanced by the defined length L several times around its longitudinal axis in relation to the spike and bent around the spike by 180° each time until this wire bundle or wire cable has taken on a spiral-shaped form.
20. Method according to claim 19 , wherein a spiral-shaped bent wire bundle or a wire cable is woven together with a second spiral-shaped bent wire bundle or a wire cable, the second with a third, and repeated until the wire weave has reached the desired size.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/430,276 US20120241565A1 (en) | 2004-06-08 | 2012-03-26 | Protective net, especially for rockfall protection or for verge securing |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH00974/04A CH697096A5 (en) | 2004-06-08 | 2004-06-08 | Safety net, especially for rockfall protection or for verge securing. |
CH00974/04 | 2004-06-08 | ||
PCT/EP2005/005542 WO2005120744A1 (en) | 2004-06-08 | 2005-05-23 | Protective mesh in particular for rockfall protection or for slope stabilisation |
EPPCT/EP2005/005542 | 2005-05-23 | ||
US62893706A | 2006-12-07 | 2006-12-07 | |
US13/430,276 US20120241565A1 (en) | 2004-06-08 | 2012-03-26 | Protective net, especially for rockfall protection or for verge securing |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US62893706A Continuation | 2004-06-08 | 2006-12-07 |
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Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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US11/628,937 Abandoned US20070210214A1 (en) | 2004-06-08 | 2005-05-23 | Protective Net, Especially For Rockfall Protection Or For Verge Securing |
US13/430,276 Abandoned US20120241565A1 (en) | 2004-06-08 | 2012-03-26 | Protective net, especially for rockfall protection or for verge securing |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/628,937 Abandoned US20070210214A1 (en) | 2004-06-08 | 2005-05-23 | Protective Net, Especially For Rockfall Protection Or For Verge Securing |
Country Status (14)
Country | Link |
---|---|
US (2) | US20070210214A1 (en) |
EP (1) | EP1628790B1 (en) |
JP (1) | JP2008501878A (en) |
KR (1) | KR20060048241A (en) |
CN (2) | CN102817330A (en) |
AT (2) | ATE340662T1 (en) |
AU (1) | AU2005251879B2 (en) |
BR (1) | BRPI0511920B1 (en) |
CH (1) | CH697096A5 (en) |
DE (1) | DE502005000122D1 (en) |
ES (2) | ES2271939T3 (en) |
IT (1) | ITBZ20050004U1 (en) |
RU (1) | RU2376097C2 (en) |
WO (1) | WO2005120744A1 (en) |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US20150041599A1 (en) * | 2012-02-24 | 2015-02-12 | Geobrugg Ag | Net, in particular for protection, safety, water-rearing or architectural purposes, and an apparatus for producing the net |
US9333553B2 (en) * | 2012-02-24 | 2016-05-10 | Geobrugg Ag | Net, in particular for protection, safety, water-rearing or architectural purposes, and an apparatus for producing the net |
US10058909B2 (en) * | 2017-01-30 | 2018-08-28 | Geobrugg Ag | Wire netting and method for producing a helix for a wire netting |
US20200267953A1 (en) * | 2017-10-12 | 2020-08-27 | Geobrugg Ag | Wire netting system |
US11904380B2 (en) | 2019-02-01 | 2024-02-20 | Geobrugg Ag | Method for producing helices, production device for producing helices, chain-link net device, and uses of the chain-link net device |
Also Published As
Publication number | Publication date |
---|---|
EP1628790B1 (en) | 2006-09-27 |
AU2005251879A1 (en) | 2005-12-22 |
EP1628790A1 (en) | 2006-03-01 |
DE502005000122D1 (en) | 2006-11-09 |
KR20060048241A (en) | 2006-05-18 |
ES1060473Y (en) | 2006-01-01 |
CN102817330A (en) | 2012-12-12 |
US20070210214A1 (en) | 2007-09-13 |
WO2005120744A1 (en) | 2005-12-22 |
CH697096A5 (en) | 2008-04-30 |
RU2376097C2 (en) | 2009-12-20 |
ATE340662T1 (en) | 2006-10-15 |
ES2271939T3 (en) | 2007-04-16 |
AU2005251879B2 (en) | 2010-10-21 |
RU2006143057A (en) | 2008-06-20 |
AT8699U1 (en) | 2006-11-15 |
ES1060473U (en) | 2005-09-16 |
ITBZ20050004U1 (en) | 2005-12-09 |
JP2008501878A (en) | 2008-01-24 |
BRPI0511920B1 (en) | 2017-06-27 |
CN1696408A (en) | 2005-11-16 |
BRPI0511920A (en) | 2008-01-15 |
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Free format text: ABANDONED -- AFTER EXAMINER'S ANSWER OR BOARD OF APPEALS DECISION |