EP0130097A1 - Undulating woven wire-netting for burglar signalling, and application of this wire-netting - Google Patents

Undulating woven wire-netting for burglar signalling, and application of this wire-netting Download PDF

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Publication number
EP0130097A1
EP0130097A1 EP84401079A EP84401079A EP0130097A1 EP 0130097 A1 EP0130097 A1 EP 0130097A1 EP 84401079 A EP84401079 A EP 84401079A EP 84401079 A EP84401079 A EP 84401079A EP 0130097 A1 EP0130097 A1 EP 0130097A1
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EP
European Patent Office
Prior art keywords
signaling
wire
weft
mesh
netting
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.)
Ceased
Application number
EP84401079A
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German (de)
French (fr)
Inventor
Jean-Pierre Emeriau
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DIRICKX SA
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DIRICKX SA
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Publication of EP0130097A1 publication Critical patent/EP0130097A1/en
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/12—Mechanical actuation by the breaking or disturbance of stretched cords or wires
    • G08B13/122—Mechanical actuation by the breaking or disturbance of stretched cords or wires for a perimeter fence

Definitions

  • the present invention relates to a mesh with wavy and woven wires for burglary signaling and to the application of this mesh to the production of an alarm. It is particularly intended for the creation of security fences or for the surveillance of concrete slabs.
  • the corrugated wire mesh consists of wires extending in length (warp son) and son extending across (weft son) intertwined together so as to form square, rectangular or other meshes.
  • the undulations of the wires prevent the strands from sliding relative to each other and provide rigidity. These screens do not provide sufficient protection against break-ins because they can be cut easily.
  • FR-A 2,463,245 discloses a fence formed by normal wires and signaling wires making it possible to trigger a warning signal.
  • This fence is formed of straight wires and at each crossing the wires are joined to each other.
  • the object of the present invention is to provide a grid having a signaling mesh formed by weft threads and wavy and interlaced warp threads which do not require connections at the crossings of the threads and providing maximum effectiveness against break-ins.
  • the mesh according to the invention consists of warp threads at least one of which is a signaling wire and weft threads of which at least one is a signaling wire extending continuously over the entire length of the mesh by drawing a line in lace, so as to form weft strands and to constitute, with said signaling chain wire, a signaling mesh and it is characterized by the fact that the warp threads including those used for signaling and the weft threads of which the one used for signaling are corrugated threads and intertwined by weaving so as to constitute a woven corrugated grid.
  • the mesh comprises at least one ordinary curved weft thread forming, between two weft strands, a loop identical to the loops of the continuous signaling weft thread.
  • the signaling chain wire and the signaling weft wire each consist of an external metallic sheath of cylindrical shape in which is housed a central core capable of conducting a signal, an insulator being available. sewn between said sheath and said core.
  • At least one of the signaling chain wires is connected with the signaling frame wire so as to form a detection and alarm circuit.
  • the figures represent a grid which is constituted by wavy threads of warp 1, 2 (threads extending in length) and by wavy threads of weft 3, 4, 5 (threads extending in width) which are interlaced, by weaving, so as to form square or rectangular meshes.
  • the undulations of the threads are formed in planes perpendicular to the weft or warp threads which cross them.
  • Each weft thread alternately passes above and below the weft threads which successively cross it.
  • Certain warp yarns marked 1 and certain weft yarns marked 4 and 5 are yarns usually used for the manufacture of mesh.
  • the warp threads 2 and the weft thread 3 are signaling threads capable of conducting a signal (electrical or other).
  • the weft thread 3 used for signaling extends continuously over the entire length of the mesh by drawing a lace line of periodic appearance and by forming weft strands 31 of equal lengths and perpendicular to the warp threads ( parallel to the other ordinary weft threads 1) and opposite loops 32, 33 located alternately near the longitudinal edges of the mesh. These identical loops form sections parallel to the warp threads.
  • the warp threads 2 and the weft thread 3 intersect, forming a signaling mesh.
  • the ordinary warp and weft threads 1, 4, 5 and the warp and weft threads for signaling 2 and 3 cannot be distinguished, these all have external surfaces made of the same material.
  • the ordinary warp threads 1 and the ordinary weft threads 4, 5 are constituted by a metallic core protected if necessary by a protective covering, for example plastic.
  • the warp 2 wires for signaling and the weft 3 for signaling are made up each by an outer metallic sheath 34, of cylindrical shape, in which is housed a central EMS 35 capable of conducting a signal (electrical or other), an insulator 36 (in powder form) being disposed between said sheath and said core.
  • the metal constituting the sheaths of the signal wires is identical to the metal constituting the core of ordinary wires.
  • the metal may in particular be galvanized steel or stainless steel.
  • the different wires 1, 4, 5, 2, 3 all have, if necessary, an external protective coating made, for example, of plastic.
  • certain ordinary weft threads marked 5 are bent threads formed by two weft strands, parallel to the other weft strands, joined by a loop.
  • the loops of these weft threads 5 are identical from the point of view of shape and dimensions to the loops 32 of the weft thread 3 for signaling, each curved weft thread 5 being deduced from the weft thread 3 by a simple translation.
  • the loops of the bent weft yarns 5 are located, without interlacing, between the loops 31 of the weft yarn yarn 3 used for signaling, the strands of the weft yarn 3 and of the wires of frame 5 being separated.
  • the loops of the weft threads 5 are still located between the loops of the weft thread 3 but each strand of the weft thread 3 is adjacent to a strand of a weft thread 5.
  • the loops of the weft threads 3 and 5 are interlaced.
  • At least one of the warp wires 2 used for signaling is connected by one or more bridges 6 with the weft yarn 3 used for signaling so as to form a signaling circuit consisting of warp threads and weft threads, the terminals being marked 8 and 9.
  • the warp threads 2 for signaling are connected in pairs by bridges 7.
  • the sum of the warp and weft threads 2 and 3 used for signaling is equal to an even number if we want the terminals to be located at the same end of the ribbon cable and only one specialized pole for connection is required. On the contrary an odd number would locate the terminals at each end of the sheet.
  • the circuit is used to carry out an alarm by electrical or other means. In the event of a signal wire break, a signal is then detected to command an alarm. A judicious choice of mesh prohibits cutting a manhole without triggering a signal when one of the signal wires is cut.
  • the bottom of this mesh (on the side of the free ends of the strands of the wires 5) is anchored in a sill or is driven into the ground to prevent passage from below.
  • Another application is to drown the mesh in a concrete slab.
  • rollers can be connected by connecting the warp threads 2 and the weft threads 3.

Abstract

The wire-netting is intended to indicate a break-in and to be used in the production of an alarm. The wire-netting is formed from undulating wires with warp (1, 2) and weft (3, 4, 5) interlaced so as to produce a mesh. Distinctively, at least one wire of the warp (2) is a signalling wire and at least one wire of the weft (3) is a signalling wire extending continuously over the whole length of the wire-netting, producing a pattern of looped lines, periodic in form. Between the sections of weft (31), there are loops (32, 33) situated alternately near the longitudinal edges of the wire-netting so as to form, with the said signalling wire of the warp (2), a signalling mesh. The netting is particularly intended for security fences or for the surveillance of concreted areas. <IMAGE>

Description

La présente invention se rapporte à un grillage à fils ondulés et tissés pour la signalisation d'effraction et à l'application de ce grillage à la réalisation d'une alarme. Il est notamment destiné à la réalisation de clôtures de sécurité ou à la surveillance de dalles en béton.The present invention relates to a mesh with wavy and woven wires for burglary signaling and to the application of this mesh to the production of an alarm. It is particularly intended for the creation of security fences or for the surveillance of concrete slabs.

Les grillages à fils ondulés sont constitués de fils s'étendant en longueur (fils de chaine) et de fils s'étendant en travers (fils de trame) entrelacés entre eux de manière à former des mailles carrées, rectangulaires ou autres. Les ondulations des fils empêchent le glissement des brins les uns par rapport aux autres et procurent de la rigidité. Ces grillages ne fournissent pas une protection suffisante contre les effractions car ils peuvent être coupés facilement.The corrugated wire mesh consists of wires extending in length (warp son) and son extending across (weft son) intertwined together so as to form square, rectangular or other meshes. The undulations of the wires prevent the strands from sliding relative to each other and provide rigidity. These screens do not provide sufficient protection against break-ins because they can be cut easily.

On connait par FR-A 2.463.245 une clôture formée de fils normaux et des fils de signalisation permettant de déclencher un signal d'avertissement. Cette clôture est formée de fils rectilignes et à chaque croisement les fils sont réunis l'un à l'autre.FR-A 2,463,245 discloses a fence formed by normal wires and signaling wires making it possible to trigger a warning signal. This fence is formed of straight wires and at each crossing the wires are joined to each other.

La présente invention a pour but de fournir un grillage présentant un maillage de signalisation formé de fils de trame et de fils de chaine ondulés et entrecroisés ne nécessitant pas de liaisons aux croisements des fils et procurant une efficacité maximum contre les effractions.The object of the present invention is to provide a grid having a signaling mesh formed by weft threads and wavy and interlaced warp threads which do not require connections at the crossings of the threads and providing maximum effectiveness against break-ins.

Le grillage selon l'invention est constitué de fils de chaine dont au moins un est un fil de signalisation et de fils de trame dont au moins un est un fil de signalisation s'étendant en continu sur toute la longueur du grillage en dessinant une ligne en lacet, de manière à former des brins de trame et à constituer, avec ledit fil de chaine de signalisation, un maillage de signalisation et il est caractérisé par le fait que les fils de chaine dont ceux servant à la signalisation et les fils de trame dont celui servant à la signalisation sont des fils ondulés et entrecroisés par tissage de manière à constituer un grillage ondulé tissé.The mesh according to the invention consists of warp threads at least one of which is a signaling wire and weft threads of which at least one is a signaling wire extending continuously over the entire length of the mesh by drawing a line in lace, so as to form weft strands and to constitute, with said signaling chain wire, a signaling mesh and it is characterized by the fact that the warp threads including those used for signaling and the weft threads of which the one used for signaling are corrugated threads and intertwined by weaving so as to constitute a woven corrugated grid.

Selon une caractéristique, le grillage comporte au moins un fil ordinaire de trame recourbé formant, entre deux brins de trame, une boucle identique aux boucles du fil de trame continu de signalisation.According to one characteristic, the mesh comprises at least one ordinary curved weft thread forming, between two weft strands, a loop identical to the loops of the continuous signaling weft thread.

Selon une autre caractéristique, le fil de chaine de signalisation et le fil de trame de signalisation sont constitués chacun par une gaine métallique extérieure de forme cylindrique dans laquelle est logée une âme centrale susceptible de conduire un signal, un isolant étant disposé entre ladite gaine et ladite âme.According to another characteristic, the signaling chain wire and the signaling weft wire each consist of an external metallic sheath of cylindrical shape in which is housed a central core capable of conducting a signal, an insulator being available. sewn between said sheath and said core.

Dans les applications de ce grillage, l'un au moins des fils de chaine de signalisation est raccordé avec le fil de trame de signalisation de manière à former un circuit de détection et d'alarme.In the applications of this wire mesh, at least one of the signaling chain wires is connected with the signaling frame wire so as to form a detection and alarm circuit.

L'invention va maintenant être décrite avec plus de détail en se référant à des modes de réalisation donnés à titre d'exemples et représentés par les dessins annexés.The invention will now be described in more detail with reference to embodiments given by way of examples and represented by the accompanying drawings.

  • La figure 1 représente un mode de réalisation du grillage selon l'invention.FIG. 1 represents an embodiment of the grating according to the invention.
  • La figure 2 est une coupe selon I-I de la figure 1.Figure 2 is a section on I-I of Figure 1.
  • Les figures 3 à 5 représentent d'autres modes de réalisation.Figures 3 to 5 show other embodiments.

Les figures représentent un grillage qui est constitué par des fils ondulés de chaine 1, 2 (fils s'étendant en longueur) et par des fils ondulés de trame 3, 4, 5 (fils s'étendant en largeur) qui sont entrecroisés, par tissage, de manière à former des mailles carrées ou rectangulaires. Les ondulations des fils sont formées dans des plans perpendiculaires aux fils de trame ou de chaine qui les croisent. Chaque fil de trame passe alternativement au-dessus et au-dessous des fils de trame qui le croisent successivement.The figures represent a grid which is constituted by wavy threads of warp 1, 2 (threads extending in length) and by wavy threads of weft 3, 4, 5 (threads extending in width) which are interlaced, by weaving, so as to form square or rectangular meshes. The undulations of the threads are formed in planes perpendicular to the weft or warp threads which cross them. Each weft thread alternately passes above and below the weft threads which successively cross it.

Certains fils de chaine repérés 1 et certains fils de trame repè- rés 4 et 5 sont des fils utilisés habituellement pour la fabrication de grillage. Les fils de chaine 2 et le fil de trame 3 sont des fils de signalisation susceptibles de conduire un signal (électrique ou autre).Certain warp yarns marked 1 and certain weft yarns marked 4 and 5 are yarns usually used for the manufacture of mesh. The warp threads 2 and the weft thread 3 are signaling threads capable of conducting a signal (electrical or other).

Le fil de trame 3 servant à la signalisation s'étend de manière continue sur toute la longueur du grillage en dessinant une ligne en lacet d'allure périodique et en formant des brins de trame 31 d'égales longueurs et perpendiculaires aux fils de chaine (parallèles aux autres fils de trame ordinaires 1) et des boucles opposées 32, 33 situées alternativement à proximité des bords longitudinaux du grillage. Ces boucles, identiques, forment des tronçons parallèles aux fils de chaine. Les fils de chaine 2 et le fil de trame 3 s'entrecroisent en formant un maillage de signalisation.The weft thread 3 used for signaling extends continuously over the entire length of the mesh by drawing a lace line of periodic appearance and by forming weft strands 31 of equal lengths and perpendicular to the warp threads ( parallel to the other ordinary weft threads 1) and opposite loops 32, 33 located alternately near the longitudinal edges of the mesh. These identical loops form sections parallel to the warp threads. The warp threads 2 and the weft thread 3 intersect, forming a signaling mesh.

Pour que les fils de chaine et de trame ordinaires 1, 4, 5 et les fils de chaine et de trame pour signalisation 2 et 3 ne puissent être distingués ceux-ci présentent tous des surfaces extérieures réalisées avec un même matériau. Les fils de chaine ordinaires 1 et les fils de trame ordinaires 4, 5 sont constitués par une âme métallique protégée si nécessaire par un revêtement de protection par exemple en plastique. Les fils de chaine 2 pour signalisation et le fil de trame 3 pour signalisation sont constitués chacun par une gaine métallique extérieure 34, de forme cylindrique, dans laquelle est logée une Sme centrale 35 susceptible de conduire un signal (électrique ou autre), un isolant 36 (en poudre) étant disposé entre ladite gaine et ladite âme. Le métal constituant les gaines des fils de signalisation est identique au métal constituant l'âme des fils ordinaires. Le métal peut être notamment de l'acier galvanisé ou de l'acier inoxydable. Les différents fils 1, 4, 5, 2, 3 présentent tous si nécessaire un revêtement extérieur de protection réalisé par exemple en plastique.So that the ordinary warp and weft threads 1, 4, 5 and the warp and weft threads for signaling 2 and 3 cannot be distinguished, these all have external surfaces made of the same material. The ordinary warp threads 1 and the ordinary weft threads 4, 5 are constituted by a metallic core protected if necessary by a protective covering, for example plastic. The warp 2 wires for signaling and the weft 3 for signaling are made up each by an outer metallic sheath 34, of cylindrical shape, in which is housed a central EMS 35 capable of conducting a signal (electrical or other), an insulator 36 (in powder form) being disposed between said sheath and said core. The metal constituting the sheaths of the signal wires is identical to the metal constituting the core of ordinary wires. The metal may in particular be galvanized steel or stainless steel. The different wires 1, 4, 5, 2, 3 all have, if necessary, an external protective coating made, for example, of plastic.

Dans les modes de réalisation des figures 3 à 5, certains fils de trame ordinaires, repérés 5, sont des fils recourbés formés de deux brins de trame, parallèles aux autres brins de trame, réunis par une boucle. Les boucles de ces fils de trame 5 sont identiques du point de vue forme et dimensions aux boucles 32 du fil de trame 3 pour la signalisation, chaque fil de trame recourbé 5 se déduisant du fil de trame 3 par une simple translation.In the embodiments of FIGS. 3 to 5, certain ordinary weft threads, marked 5, are bent threads formed by two weft strands, parallel to the other weft strands, joined by a loop. The loops of these weft threads 5 are identical from the point of view of shape and dimensions to the loops 32 of the weft thread 3 for signaling, each curved weft thread 5 being deduced from the weft thread 3 by a simple translation.

Dans le mode de réalisation de la figure 3, les boucles des fils de trame recourbés 5 sont situées, sans entrecroisement, entre les boucles 31 du fil de trame en lacet 3 servant à la signalisation, les brins du fil de trame 3 et des fils de trame 5 étant séparés.In the embodiment of FIG. 3, the loops of the bent weft yarns 5 are located, without interlacing, between the loops 31 of the weft yarn yarn 3 used for signaling, the strands of the weft yarn 3 and of the wires of frame 5 being separated.

Dans le mode de réalisation de la figure 4, les boucles des fils de trame 5 sont encore situées entre les boucles du fil de trame 3 mais chaque brin du fil de trame 3 est adjacent à un brin d'un fil de trame 5.In the embodiment of FIG. 4, the loops of the weft threads 5 are still located between the loops of the weft thread 3 but each strand of the weft thread 3 is adjacent to a strand of a weft thread 5.

Dans le mode de réalisation de la figure 5, les boucles des fils de trame 3 et 5 sont entrelacées.In the embodiment of FIG. 5, the loops of the weft threads 3 and 5 are interlaced.

Dans les applications envisagées pour ce grillage, l'un au moins des fils de chaine 2 servant à la signalisation est raccordé par un ou des pontages 6 avec le fil de trame en lacet 3 servant à la signalisation de manière à former un circuit de signalisation constitué de fils de chaine et de fils de trame, les bornes étant repérées 8 et 9. Les fils de chaine 2 pour la signalisation sont raccordés deux à deux par des pontages 7.In the applications envisaged for this grid, at least one of the warp wires 2 used for signaling is connected by one or more bridges 6 with the weft yarn 3 used for signaling so as to form a signaling circuit consisting of warp threads and weft threads, the terminals being marked 8 and 9. The warp threads 2 for signaling are connected in pairs by bridges 7.

Les pontages ou raccordements successifs entre les fils de chaine ou entre le fil de chaine et le fil de trame se font dans un poteau de clôture spécialisé mais sans autre originalité que de servir d'armoire de branchement et de n'être accessible que de l'intérieur de l'espace à protéger.The successive bridging or connections between the chain wires or between the chain wire and the weft wire are done in a specialized fence post but with no other originality than to serve as a connection cabinet and to be accessible only from the inside the space to be protected.

Il est préférable que la somme des fils de chaine et de trame 2 et 3 servant à la signalisation soit égale à un nombre pair si l'on veut que les bornes soient situées à une même extrémité de la nappe et qu'un seul poteau spécialisé pour le raccordement soit nécessaire. Au contraire un nombre impair situerait les bornes à chacune des extrémités de la nappe.It is preferable that the sum of the warp and weft threads 2 and 3 used for signaling is equal to an even number if we want the terminals to be located at the same end of the ribbon cable and only one specialized pole for connection is required. On the contrary an odd number would locate the terminals at each end of the sheet.

Le circuit est utilisé pour réaliser une alarme par voie électrique ou autre. En cas de coupure d'un fil de signalisation un signal est alors détecté pour commander une alarme. Un choix judicieux de maillage interdit de découper un trou d'homme sans déclencher un signal lors de la coupure d'un des fils de signalisation.The circuit is used to carry out an alarm by electrical or other means. In the event of a signal wire break, a signal is then detected to command an alarm. A judicious choice of mesh prohibits cutting a manhole without triggering a signal when one of the signal wires is cut.

Dans le cas où le grillage est utilisé pour réaliser une clôture le bas de ce grillage (du côté des extrémités libres des brins des fils 5) est ancré dans une longrine ou est enfoncé dans le sol pour interdire le passage par dessous. Une autre application consiste à noyer le grillage dans une dalle de béton.In the case where the mesh is used to make a fence, the bottom of this mesh (on the side of the free ends of the strands of the wires 5) is anchored in a sill or is driven into the ground to prevent passage from below. Another application is to drown the mesh in a concrete slab.

On peut raccorder plusieurs rouleaux en raccordant les fils de chaine 2 et les fils de trame 3.Several rollers can be connected by connecting the warp threads 2 and the weft threads 3.

Il est bien entendu que l'on peut sans sortir du cadre de l'invention imaginer des variantes et des perfectionnements de détails et de même qu'envisager l'emploi de moyens équivalents.It is understood that it is possible without departing from the scope of the invention to imagine variants and improvements of details and even to envisage the use of equivalent means.

Claims (4)

1. Grillage pour la signalisation d'effraction, constitué de fils de chaine (1, 2) dont au moins un est un fil de signalisation (2) et de fils de trame (3,4,5) dont au moins un est un fil de signalisation (3) s'étendant en continu sur toute la longueur du grillage en dessinant une ligne en lacet de manière à former des brins de trame (31) et à constituer, avec ledit fil de chaine (2) de signalisation, un maillage de signalisation,
caractérisé par le fait que les fils de chaine (1, 2) dont ceux servant à la signalisation (2) et les fils de trame (3, 4, 5) dont celui servant à la signalisation (3) sont des fils ondulés et entrecroisés par tissage de manière à constituer un grillage ondulé tissé.1. Wire mesh for burglary signaling, consisting of warp threads (1, 2) of which at least one is a signaling thread (2) and of weft threads (3,4,5) of which at least one is a signaling wire (3) extending continuously over the entire length of the mesh by drawing a lace line so as to form weft strands (31) and to constitute, with said signaling warp wire (2), a signaling mesh,
characterized by the fact that the warp threads (1, 2), including those used for signaling (2) and the weft threads (3, 4, 5), including that used for signaling (3), are wavy and intertwined wires by weaving so as to constitute a woven corrugated mesh. 2. Grillage selon la revendication 1,
caractérisé par le fait qu'il comporte au moins un fil ordinaire de trame recourbé (5) formé par deux brins de trame réunis par une boucle identique aux boucles du fil de trame (3) en lacet servant à la signalisation.2. Wire mesh according to claim 1,
characterized by the fact that it comprises at least one ordinary curved weft thread (5) formed by two weft strands joined together by a loop identical to the loops of the weft thread (3) in lace used for signaling. 3. Grillage selon l'une quelconque des revendications précédentes,
caractérisé par le fait que le fil de chaine (2) et le fil de trame (3) qui servent à la signalisation sont constitués chacun par une gaine métallique extérieure (34), de forme cylindrique, dans laquelle est logée une âme centrale (35) susceptible de conduire un signal, un isolant (36) étant disposé entre ladite gaine et ladite âme.3. Wire mesh according to any one of the preceding claims,
characterized in that the warp thread (2) and the weft thread (3) which serve for signaling each consist of an outer metallic sheath (34), of cylindrical shape, in which is housed a central core (35 ) capable of conducting a signal, an insulator (36) being disposed between said sheath and said core. 4. Application du grillage selon l'une quelconque des revendications précédentes,
caractérisée par le fait que l'un au moins des fils de chaine (2) servant à la signalisation est raccordé au -fil de trame (3) servant à la signalisation de manière à former un circuit de détection et d'alarme.4. Application of the mesh according to any one of the preceding claims,
characterized in that at least one of the warp threads (2) used for signaling is connected to the weft thread (3) used for signaling so as to form a detection and alarm circuit.
EP84401079A 1983-05-27 1984-05-25 Undulating woven wire-netting for burglar signalling, and application of this wire-netting Ceased EP0130097A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8308792 1983-05-27
FR8308792A FR2546427B1 (en) 1983-05-27 1983-05-27 CORRUGATED WOVEN MESH FOR EMISSIONS SIGNALING AND APPLICATIONS OF SAID MESH

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EP0130097A1 true EP0130097A1 (en) 1985-01-02

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EP84401079A Ceased EP0130097A1 (en) 1983-05-27 1984-05-25 Undulating woven wire-netting for burglar signalling, and application of this wire-netting

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ES (1) ES288297Y (en)
FR (1) FR2546427B1 (en)

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US5677674A (en) * 1992-04-30 1997-10-14 Cover Protection Limited Method of making a flexible closure incorporating an alarm system
KR101256258B1 (en) * 2006-12-29 2013-04-18 노키아 코포레이션 Blind estimation of control channel
ITUB20153880A1 (en) * 2015-09-24 2017-03-24 Easy Cloud S R L Electrified network integrating a detection and signaling system of a break-in carried out to the detriment of the same
CN107100425A (en) * 2017-06-02 2017-08-29 上海仪耐新材料科技有限公司 A kind of protection net detected with break point signal

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EP0593043A1 (en) * 1992-10-14 1994-04-20 Bernard F. Haverkamp Wire mesh with electric monitoring
DE202010008501U1 (en) * 2010-09-09 2011-01-27 Haverkamp Gmbh Alarm-protected fence field
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FR2510646A1 (en) * 1981-07-31 1983-02-04 Guerineau Yves Electronic conductor network incorporated in metal wire fence - has multi-core cable interwoven in fence mesh to detect attempted break-in detected by shorting of conductive loops
FR2510786A1 (en) * 1981-07-31 1983-02-04 Guerineau Yves Security fence using plastics coated metal wire - has conductor for signalling intrusion combined with plastic coating
FR2510785A1 (en) * 1981-07-31 1983-02-04 Guerineau Yves Electronically monitored metal wire security fence - has sections linked in pairs for comparison of resistance to check possible break-in using A=D converter, comparator and memorised tables
GB2119550A (en) * 1982-04-08 1983-11-16 British Gas Corp Electrified fence

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2326145A1 (en) * 1975-09-30 1977-04-29 Trefilunion Metal trellis security fence mounted on wall - consists of intersecting wires forming electrical conductor line connected to alarm and signal panel
FR2463245A1 (en) * 1979-08-07 1981-02-20 Ci Ka Ra Srl ANTI-FEED CLOSURE NETWORK IN A SHAPE FORM AND METHOD FOR MANUFACTURING THE SAME
FR2510646A1 (en) * 1981-07-31 1983-02-04 Guerineau Yves Electronic conductor network incorporated in metal wire fence - has multi-core cable interwoven in fence mesh to detect attempted break-in detected by shorting of conductive loops
FR2510786A1 (en) * 1981-07-31 1983-02-04 Guerineau Yves Security fence using plastics coated metal wire - has conductor for signalling intrusion combined with plastic coating
FR2510785A1 (en) * 1981-07-31 1983-02-04 Guerineau Yves Electronically monitored metal wire security fence - has sections linked in pairs for comparison of resistance to check possible break-in using A=D converter, comparator and memorised tables
GB2119550A (en) * 1982-04-08 1983-11-16 British Gas Corp Electrified fence

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5677674A (en) * 1992-04-30 1997-10-14 Cover Protection Limited Method of making a flexible closure incorporating an alarm system
KR101256258B1 (en) * 2006-12-29 2013-04-18 노키아 코포레이션 Blind estimation of control channel
ITUB20153880A1 (en) * 2015-09-24 2017-03-24 Easy Cloud S R L Electrified network integrating a detection and signaling system of a break-in carried out to the detriment of the same
EP3147878A3 (en) * 2015-09-24 2017-04-26 Easy Cloud S.r.l. Electrified net integrating a system for detecting and signaling a forcing of the net itself
CN107100425A (en) * 2017-06-02 2017-08-29 上海仪耐新材料科技有限公司 A kind of protection net detected with break point signal

Also Published As

Publication number Publication date
ES288297U (en) 1985-12-16
FR2546427A1 (en) 1984-11-30
ES288297Y (en) 1986-07-16
FR2546427B1 (en) 1987-07-17

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