EP2666934A1 - Method of raising an existing fence, raising post and fence post raised in such a way - Google Patents

Method of raising an existing fence, raising post and fence post raised in such a way Download PDF

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Publication number
EP2666934A1
EP2666934A1 EP13290115.8A EP13290115A EP2666934A1 EP 2666934 A1 EP2666934 A1 EP 2666934A1 EP 13290115 A EP13290115 A EP 13290115A EP 2666934 A1 EP2666934 A1 EP 2666934A1
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EP
European Patent Office
Prior art keywords
raising
existing
post
pole
fence
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EP13290115.8A
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German (de)
French (fr)
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EP2666934B1 (en
Inventor
Michel Benoist
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Maxilor SAS
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Maxilor SAS
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H17/00—Fencing, e.g. fences, enclosures, corrals
    • E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
    • E04H17/24—Connections for attaching additional wire to frames, posts or railings

Definitions

  • the present invention relates to a method of raising an existing semi-rigid fence, tensioned, type of fence, supported by posts planted in the ground at more or less regular intervals.
  • the present invention obviously also relates to a raising pole of an existing fence, allowing the implementation of the aforementioned method, and a raised fence post obtained by the implementation of said method.
  • the current tendency is therefore to border the various rights-of-way and land to be protected with fences higher than the first fences laid.
  • the new fences thus reach heights of 2 meters, or even 2.50 meters, above the ground.
  • the posts used to support the fences of a fence are for the most part made in the form of metal tubular sections having a so-called cross-section C-shaped, the core of such tubular sections being provided with means forming projections, such rings or buckles reported by welding or, more simply, latches obtained by partial cutting of the constituent plate of the tubular section followed by a deformation of said sheet, such projecting means for fastening the son of the mesh.
  • the first technique is to introduce into the existing post, in the upper part thereof, a so-called raising profile whose length is of the order of 80 to 100 centimeters and whose outer section is complementary to the inner section of the post existing, the soul of the raising profile having been previously provided in the upper part of the means for the attachment of the son of the additional wire and having been previously drilled in the center of an orifice located about 20 centimeters from its end edge inferior.
  • the technician manually supports the raising profile in its downward movement until the two orifices pierced one on the raising profile and the other on the existing post are placed in front of it. one of the other.
  • the technician then introduces a bolt passing through the two aligned orifices, a bolt of which he then screws the threaded free end in a nut which he has on the opposite side to that of the bolt head, said nut having most often the shape a U-shaped stirrup whose two wings frame the existing profile, which facilitates the screwing of the bolt.
  • the second technique is to weld the raising pole, then chosen the same cross section as the existing post, around a base post whose outer cross section is complementary to the inner section of the existing post.
  • the present invention therefore proposes to eliminate all the aforementioned drawbacks and, for this purpose, it is a principle to use only one profile to form the raising pole - which has the effect of eliminating the disadvantages of the second technique - and to provide such a raising pole, which is therefore in one piece, an abutment which is adapted to cooperate alone and automatically with the upper end edge of the existing post - which has for effect to eliminate the disadvantages of the first prior art.
  • the expression "in one piece" which qualifies the raising pole according to the invention means that said post is consisting of a single piece, that is to say that it does not result from the assembly of at least two pieces).
  • Such flaps have the shape of bent parts and they are made by welding assembly of two sections of generally different cross sections, the smaller section being of the same type as the "base post" and that of larger. section being the same type as the pole strictly speaking who will receive the flap.
  • the profile of smaller section of the flap has bosses forming protrusions to the outside, which bosses will allow to block the flap inside the post and prevent its tearing, and the profile of larger section is equipped with latches also protruding outwards, latches that will hold the wire fence wire.
  • Such flaps are forcibly introduced into the column itself, by their profile of smaller section, in the upper part of said post, the section of larger section, which is then in an oblique position, being turned towards the interior of the ground to secure.
  • the present invention thus has as its first object a method of raising an existing semi-rigid fence, tensioned, type roasting, supported by posts planted in the ground at more or less regular intervals, each of said posts being made in the form a tubular section provided with projecting means for fastening the wires of the grid, said method being characterized in that , in the desired zones of enhancement, a stud of raising consisting of a tubular section in one piece whose cross section is complementary to that of the existing pole, said raising pole being itself provided with first means forming projections, for attachment of the son of the mesh to enhance the existing fence, and at least a second means also projecting, adapted to abut against the upper edge of the pole existing and thus prevent the raising pole to go further into the existing pole, and in that it pushes the raising pole in the existing post until it comes to abut against the existing post .
  • each raising pole there is formed on each raising pole, between the two edges thereof, at least one pawl whose free end is rotated in the direction of insertion of said raising pole to the inside the existing pole, said latch constituting the stop for blocking the descent of said raising pole.
  • At least one wedging means is formed by embossing the raising post capable of being embedded under one projections present on the existing pole and thus block the raising and disengagement of the raising pole relative to the existing pole.
  • the present invention has for its second object a raising pole of an existing fence allowing the implementation of the method corresponding to the general definition explained above, said raising pole being remarkable in that it consists of a tubular section in one piece whose outer cross section is complementary to the inner cross section of the existing post, said raising post further comprising first projection means for fastening the son of the mesh to enhance the existing fence, and at least a second means also protruding, adapted to abut against the upper edge of the existing pole and thus prevent the raising pole to descend further inside the existing pole.
  • the first is in one piece while the flaps are obtained by the assembly by welding of two profiles, of which in addition one was by necessity cut obliquely.
  • the cost of producing a flap is therefore significantly higher than the cost of producing a raising pole.
  • the raising pole according to the invention is rectilinear and it is mounted in the upper part of the pole to to raise while being thus entirely located in the exact extension of the post to be raised whereas the bolster is a bent part whose visible part, external to the post to crown, is oblique and turned towards the interior of the ground to secure.
  • the raising pole is essentially designed to prevent the passage of animals over the fence while the sill is intended to prevent the passage of humans over the fence.
  • the raising pole is designed to enhance any fence posts, whether they are rights-of-way or lands that are to be protected from access, while the sill is much more expensive to erect than the fence post. enhancement, is therefore a much more limited application and turns out to be actually used to crown the fences surrounding land and prevent intrusions or escapes of humans.
  • the raising pole is essentially intended to receive the son of a raising grid, which son are smooth, while the flap is generally intended to receive barbed wire.
  • the first means forming protrusions on such a raising pole are in the form of aligned pawls and arranged at a substantially regular interval, the free ends of said pawls being oriented in the opposite direction to that of the existing pole to be raised, c that is, facing upwards.
  • the or each second means projecting on such a raising pole is in the form of a pawl whose free end is oriented in direction of the existing pole to raise, that is to say, pointing down.
  • At least one boss is provided under the second abutment means, said boss constituting a wedging means of the raising pole relative to the pole.
  • the boss or each boss has the shape of an ovoid portion whose lower end, turned towards the existing post to be raised, is rounded, and whose upper end, turned in the opposite direction, has a planar face perpendicular to the longitudinal axis of the raising pole and adapted to abut against the edge of a puncture of one of the latches of the existing pole.
  • the outer cross section of the raising pole is also in C and is complementary to the inner cross section of the existing pole.
  • the present invention obviously has for third object a fence post characterized in that it comprises a raising pole according to at least one of the abovementioned constructions.
  • FIGS. 1a and 1b are for the simple purpose of illustrating the realization of a raising pole according to the first prior art explained in preliminary.
  • the existing post is marked with 1 and the raising post is marked with 2.
  • the existing post 1 is already buried in the ground, either directly or by being fitted around a so-called base profile which has been previously beaten in the ground so as to be completely buried, the upper edge of such a base profile flush with the ground surface.
  • the height of the pole is in the order of 1.50 meters above the ground.
  • the post 1 whose cross section has been chosen for this C-shaped example, comprises on its core 3 projecting means 4 on which are hung the son of the existing fence, said means 4 being aligned and arranged at a more or less regular interval depending on the needs.
  • These means 4 may be rings or loops reported by welding.
  • these means 4 are pawls that were obtained by partial cutting of the constituent plate of the post 1, followed by a deformation of said sheet.
  • the free ends of the latches 4 are oriented upwards.
  • the raising pole 2 is made in the workshop so that its external cross section is complementary to the internal cross section of the existing post 1. Its length, depending on the height required for the raising of the existing fence, may vary between 0, 8 and 1.3 meters, of which about 0.3 meters will be nested in the existing post 1.
  • the core 33 of the raising pole 2 has been provided with means 5 protruding, these means 5 in the example shown being, as on the existing post 1, aligned pawls, formed by stamping and deformation of the constituent plate of the profile 2.
  • the core 33 of the post 2 will also comprise an orifice 6 pierced at about 0.2 meters from the lower end edge 7 of the profile 2.
  • the technician pierces the core 3 of the existing post 1 with an orifice 8 at approximately 0.1 meters from the upper edge of said existing post, then he introduces the raising post 2 into the existing post 1 by its edge 7 and it gently lowers said raising pole by supporting it manually, and until the orifice 6 is brought in line with the orifice 8.
  • the technician introduces into the two orifices 8, 6, a bolt 9 equipped with a washer 10 which passes through the two posts 1 and 2 thus fitted and it fixes the bolt 9 by means of a nut 11.
  • This nut 11 is advantageously made in the form of a plate pierced at its center.
  • FIGS. 2a and 2b are for the simple purpose of illustrating the realization of a raising pole according to the second prior art explained in preliminary.
  • the raising pole 14 is this time obtained by welding two C-sections, a first profile 15 which will constitute the raising part, whose cross section is identical to that of the existing post 1, and a second section 16 which will constitute the part interlocking or connecting with the existing post 1, and whose cross section is that of a base profile, so complementary to the inner section of the existing post.
  • the profile 16 is welded in the workshop in the section 15 over a length of about 0.3 meters. It extends approximately 0.3 meters from the profile 15, which itself has a length of the order of 0.5 meter to 1 meter, depending on the desired height of enhancement for the existing fence.
  • the core 3 of the existing post 1 and the core 17 of the section 15 are both provided with aligned pawls, 4 and 18, respectively, whose free ends are turned upwards. .
  • the raising pole 21 according to the invention is in one piece and it is of an outer cross section complementary to the internal cross section of the existing pole 1 to be raised.
  • the raising pole 21 itself has a C-section.
  • the C-profile is formed in one piece using the known cold forming technique, that is to say, it is progressively deformed. the original plane sheet between successive pairs of rollers arranged transversely on a profiling line.
  • This procedure has the advantage of allowing on the same profiling line the production of latches 22 intended to allow attachment of the son of the raised portion of the fence, these latches 22 being all obtained by partial cutting of the sheet and deformation partially cut parts.
  • the protruding pawls 22 thus formed all have the same orientation and, on the profile obtained by cold profiling which will subsequently be cut to lengths of 0.8 to 1.3 meters, depending on the height of desired enhancement, they will all be oriented upwards, aligned and arranged at more or less regular intervals along the longitudinal axis of the profile.
  • the installation on site of the raising pole 21 thus produced is particularly easy since it suffices to fit the pole 21 by its end 23 in the existing post 1 and to lower said raising pole until the bottom of its latch 24 comes to abut against the upper end edge 20 of the existing pole.
  • the latch 24 will form with the core 28 of the post 21 a protrusion protruding from said core a distance slightly greater than the thickness of the sheet constituting the existing post 1.
  • the raising pole 21 thus installed is blocked in its descent movement.
  • Each boss 29 has the shape of an ovoid portion whose lower end 30, facing the existing post 1 to be raised, is rounded, and whose upper end 31, turned in the opposite direction, has a flat face which is perpendicular to the longitudinal axis of the raising pole 21.
  • the flat face 31 of the boss 29 is able to abut against the edge 32 of the puncture (of the blank) of the existing sheet under any latch 4 of the existing post 1, which will have the effect of jamming the raising pole 21 relative to the existing post and thus prevent any upward movement including any unwanted tearing.
  • the flat face 31 of the boss will have a slightly smaller width than the edge 32 of the puncture made in the sheet.
  • FIG. Figure 8 An existing fence 34 raised in accordance with the invention is shown in FIG. Figure 8 .
  • the technician After interlocking of the raising pole 21 in the existing post 1 and abutting said raising pole as soon as the bottom of this pawl 24 comes into contact with the upper end edge 20 of the post 1, the technician has only four fixing the wires 36 of the raising fence 35 to the pole 21, using the latches 22 for this purpose.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Fencing (AREA)

Abstract

The method involves placing a raising post (21) by depression in an existing fence post (1), where the raising post has a tubular section with cross section that is complementary to that of the post. The post is equipped with a latch (22) allowing the fixation of threads (36) of netting to raise an existing fence (34) and with another latch (24) abutted against an upper end edge (20) of the existing post to prevent the raising post from descending inside the existing post. The raising post is inserted into the existing fence post until the raising post is suddenly butted against existing post. An independent claim is also included for a raising post to implement a method for raising a stretched semi-rigid existing fence.

Description

DOMAINE TECHNIQUE DE L'INVENTIONTECHNICAL FIELD OF THE INVENTION

La présente invention a trait à un procédé de rehaussement d'une clôture existante semi-rigide, tendue, du type grillage, soutenue par des poteaux plantés dans le sol à intervalles plus ou moins réguliers.The present invention relates to a method of raising an existing semi-rigid fence, tensioned, type of fence, supported by posts planted in the ground at more or less regular intervals.

La présente invention a bien évidemment également pour objet un poteau de rehaussement d'une clôture existante, permettant la mise en oeuvre du procédé précité, ainsi qu'un poteau de clôture rehaussé obtenu par la mise en oeuvre dudit procédé.The present invention obviously also relates to a raising pole of an existing fence, allowing the implementation of the aforementioned method, and a raised fence post obtained by the implementation of said method.

ARRIÈRE PLAN TECHNOLOGIQUE DE L'INVENTIONBACKGROUND OF THE INVENTION

Il est connu de longue date de clôturer des emprises ferroviaires, routières ou autoroutières, et de délimiter l'entourage de terrains tels que, par exemple, propriétés privées, espaces verts, terrains d'agriculture, réserves de chasse, golfs ou encore parkings, à l'aide de grillages tendus, soutenus de place en place par des poteaux plantés en bordure de l'emprise ou du terrain dont on veut protéger ainsi l'accès.It has been known for a long time to enclose railway, road or motorway rights-of-way, and to delimit the surrounding of grounds such as, for example, private properties, green spaces, agricultural fields, hunting reserves, golf courses or even car parks, using tense fences, supported from place to place by poles planted at the edge of the right-of-way or the ground whose access is to be protected.

Avec le recul, il s'avère toutefois que, bien souvent, les plus anciens poteaux plantés, et par suite les grillages qu'ils soutiennent, ne correspondent pas à l'usage pour lequel ils ont été conçus, en ce sens qu'ils ont une hauteur insuffisante pour empêcher certains animaux, et en particulier les chevreuils, de bondir par-dessus la clôture, auquel cas ces animaux sont alors libres de traverser les espaces qui, en théorie, devraient être parfaitement protégés.With hindsight, however, it often turns out that the oldest posts planted, and therefore the fences they support, do not correspond to the use for which they were designed, in that they have insufficient height to prevent certain animals, particularly deer, from leaping over the fence, in which case these animals are then free to cross the spaces which, in theory, should be perfectly protected.

Les clôtures les plus anciennes ne dépassent en effet pratiquement jamais une hauteur de 1,50 mètre au-dessus du sol.The oldest fences hardly ever exceed a height of 1.50 meters above the ground.

Il n'est donc pas rare de voir des chevreuils traverser des autoroutes ou des voies ferrées, et on imagine sans peine les conséquences dramatiques des accidents que la présence de tels animaux peut provoquer.It is not uncommon to see deer crossing highways or railroads, and we can easily imagine the dramatic consequences of accidents that the presence of such animals can cause.

La tendance actuelle est donc de border les différentes emprises et terrains à protéger à l'aide de clôtures plus hautes que les premières clôtures posées.The current tendency is therefore to border the various rights-of-way and land to be protected with fences higher than the first fences laid.

Les nouvelles clôtures atteignent ainsi des hauteurs de 2 mètres, voire 2,50 mètres, au-dessus du sol.The new fences thus reach heights of 2 meters, or even 2.50 meters, above the ground.

Cela étant, pour ce qui est des clôtures existantes dont la hauteur est maintenant jugée insuffisante, il a été proposé, dans un souci d'économie, de les rehausser plutôt que de les remplacer, cette dernière solution impliquant en effet que l'on retire le grillage et les poteaux existants et que l'on remplace les uns et les autres par des grillages et des poteaux de plus grande hauteur.However, in the case of existing fences, the height of which is now considered insufficient, it has been proposed, for the sake of economy, to upgrade them rather than to replace them, the latter solution implying in effect that the existing fence and poles, and that both are replaced by grids and posts of greater height.

Ainsi, outre la probable mise au rebut et donc la perte prévisible de tous les matériels existants, il y aurait, du fait de la mise en oeuvre d'une telle solution de remplacement, à prévoir une perte de temps considérable pour retirer tous les grillages et poteaux existants, pour battre dans le sol tous les nouveaux poteaux à planter et pour fixer les nouveaux grillages à ces nouveaux poteaux.Thus, in addition to the probable scrapping and therefore the foreseeable loss of all existing equipment, there would be, because of the implementation of such an alternative, to provide a considerable loss of time to remove all fences and existing poles, to beat in the ground all the new poles to plant and to fix the new fences to these new poles.

Aussi, pour éviter toutes ces pertes inutiles de temps et de matériels, il a été proposé de rehausser les clôtures existantes en prolongeant tous les poteaux existants à leurs parties supérieures et en associant une bande de grillage supplémentaire à de telles parties de rehaussement.Also, to avoid all unnecessary waste of time and equipment, it has been proposed to enhance existing fences by extending all existing posts to their upper parts and by associating an additional band of wire to such raising parts.

Les poteaux utilisés pour soutenir les grillages d'une clôture sont pour la plupart réalisés sous la forme de profilés tubulaires métalliques ayant une section traversale dite en forme de C, l'âme de tels profilés tubulaires étant dotée de moyens formant saillies, tels des anneaux ou boucles rapportés par soudure ou, plus simplement, des linguets obtenus par découpage partiel de la tôle constitutive du profilé tubulaire suivi d'une déformation de ladite tôle, de tels moyens en saillie permettant l'accrochage des fils du grillage.The posts used to support the fences of a fence are for the most part made in the form of metal tubular sections having a so-called cross-section C-shaped, the core of such tubular sections being provided with means forming projections, such rings or buckles reported by welding or, more simply, latches obtained by partial cutting of the constituent plate of the tubular section followed by a deformation of said sheet, such projecting means for fastening the son of the mesh.

Il existe actuellement deux techniques de rehaussement pour prolonger la partie supérieure de tout poteau existant dont la section répond à la définition précitée.There are currently two raising techniques to extend the top of any existing pole whose section meets the above definition.

La première technique consiste à introduire dans le poteau existant, en partie supérieure de celui-ci, un profilé dit de rehaussement dont la longueur est de l'ordre de 80 à 100 centimètres et dont la section extérieure est complémentaire de la section intérieure du poteau existant, l'âme du profilé de rehaussement ayant été préalablement dotée en partie supérieure de moyens permettant l'accrochage des fils du grillage supplémentaire et ayant été préalablement percée en son centre d'un orifice situé à environ 20 centimètres de son chant d'extrémité inférieur.The first technique is to introduce into the existing post, in the upper part thereof, a so-called raising profile whose length is of the order of 80 to 100 centimeters and whose outer section is complementary to the inner section of the post existing, the soul of the raising profile having been previously provided in the upper part of the means for the attachment of the son of the additional wire and having been previously drilled in the center of an orifice located about 20 centimeters from its end edge inferior.

Le technicien en charge du rehaussement du poteau existant aura auparavant pris soin de percer l'âme de ce dernier d'un orifice similaire à celui pratiqué sur le profilé de rehaussement, à environ 10 centimètres de son chant d'extrémité supérieur, avant d'introduire ledit profilé de rechaussement.The technician in charge of the raising of the existing post will have previously taken care of piercing the soul of the latter with an orifice similar to that practiced on the raising profile, about 10 centimeters from its edge of the upper end, before introducing said recessing section.

Au cours de cette introduction, le technicien soutient manuellement le profilé de rehaussement dans son mouvement de descente jusqu'à ce que les deux orifices percés l'un sur ce profilé de rehaussement et l'autre sur le poteau existant soient placés en face l'un de l'autre. Le technicien introduit alors un boulon traversant les deux orifices mis en concordance, boulon dont il visse ensuite l'extrémité libre filetée dans un écrou qu'il dispose du côté opposé à celui de la tête du boulon, ledit écrou ayant le plus souvent la forme d'un étrier en U dont les deux ailes encadrent le profil existant, ce qui facilite le vissage du boulon.During this introduction, the technician manually supports the raising profile in its downward movement until the two orifices pierced one on the raising profile and the other on the existing post are placed in front of it. one of the other. The technician then introduces a bolt passing through the two aligned orifices, a bolt of which he then screws the threaded free end in a nut which he has on the opposite side to that of the bolt head, said nut having most often the shape a U-shaped stirrup whose two wings frame the existing profile, which facilitates the screwing of the bolt.

Une telle technique présente toutefois l'inconvénient d'être très coûteuse en temps de pose puisqu'il faut percer le poteau existant à sa partie supérieure, encastrer le poteau de rehaussement dans ce poteau existant, disposer les trous de perçage en concordance l'un de l'autre, introduire un boulon traversant ces deux orifices et enfin visser ce boulon traversant sur l'étrier.Such a technique, however, has the disadvantage of being very expensive in installation time since it is necessary to drill the existing post at its upper part, embed the post of raising in this existing post, arrange the drilling holes in concordance with each other, introduce a bolt passing through these two orifices and finally screw this bolt through the stirrup.

Il n'est pas rare en outre que du matériel (boulons, rondelles, étriers) soit perdu au cours de toutes ces opérations.In addition, it is not uncommon for hardware (bolts, washers, stirrups) to be lost during all these operations.

La seconde technique consiste à souder le poteau de rehaussement, choisi alors de même section transversale que le poteau existant, autour d'un poteau d'embase dont la section transversale extérieure est complémentaire de la section intérieure du poteau existant.The second technique is to weld the raising pole, then chosen the same cross section as the existing post, around a base post whose outer cross section is complementary to the inner section of the existing post.

Il suffit alors d'emboîter la partie de plus petite dimension, c'est-à-dire la partie « poteau d'embase », d'un tel poteau de rehaussement dans le poteau existant et de faire descendre le premier dans le second jusqu'à ce que leurs chants d'extrémité, respectivement inférieur et supérieur, viennent en butée.It suffices then to fit the part of smaller dimension, that is to say the "base post" portion, of such a raising pole into the existing post and to lower the first into the second their end edges, respectively lower and upper, come into abutment.

Une telle technique a pour inconvénient évident qu'elle est coûteuse à réaliser dès lors que, en atelier, on doit préalablement souder deux profilés l'un à l'autre pour former le poteau de rehaussement et qu'en outre elle impose un gaspillage évident de matière inhérent au fait que, sur une forte longueur correspondant à la longueur de soudage des deux profilés l'un sur l'autre, deux épaisseurs de tôles sont nécessairement présentes.Such a technique has the obvious disadvantage that it is expensive to achieve when, in the workshop, one must first weld two profiles to each other to form the raising post and that it also imposes a clear waste of material inherent in the fact that, over a long length corresponding to the length of welding of the two sections on one another, two thicknesses of sheets are necessarily present.

La présente invention propose donc d'éliminer tous les inconvénients précités et, à cette fin, elle a pour principe de n'utiliser qu'un seul profilé pour constituer le poteau de rehaussement - ce qui a pour effet d'éliminer les inconvénients de la seconde technique antérieure - et de doter un tel poteau de rehaussement, qui est donc d'un seul tenant, d'une butée qui est apte à coopérer seule et de façon automatique avec le chant d'extrémité supérieur du poteau existant - ce qui a pour effet d'éliminer les inconvénients de la première technique antérieure. (Dans toute la suite de la présente description, ainsi bien sûr que dans les revendications annexées, il est à considérer que l'expression « d'un seul tenant » qui qualifie le poteau de rehaussement conforme à l'invention signifie que ledit poteau est constitué d'une pièce unique, c'est-à-dire qu'il ne résulte pas de l'assemblage d'au moins deux pièces).The present invention therefore proposes to eliminate all the aforementioned drawbacks and, for this purpose, it is a principle to use only one profile to form the raising pole - which has the effect of eliminating the disadvantages of the second technique - and to provide such a raising pole, which is therefore in one piece, an abutment which is adapted to cooperate alone and automatically with the upper end edge of the existing post - which has for effect to eliminate the disadvantages of the first prior art. (Throughout the remainder of the present description, and of course in the appended claims, it is to be considered that the expression "in one piece" which qualifies the raising pole according to the invention means that said post is consisting of a single piece, that is to say that it does not result from the assembly of at least two pieces).

Il est par ailleurs connu, par exemple des brevets français FR-2.429.309 et FR-2.568.615 , de couronner des grillages clôturant certains terrains, notamment ceux exigeant une sécurité accrue, par exemple les prisons afin d'éviter les évasions, ou encore les terrains sur lesquels sont situés des locaux ou des matériels névralgiques afin à l'inverse d'éviter les intrusions, à l'aide de bavolets sur lesquels l'on vient fixer des fils de grillage de couronnement qui sont généralement des fils de ronce, encore appelés fils barbelés.It is also known, for example French patents FR-2429309 and FR-2568615 , to crown fences fencing certain lands, especially those requiring increased security, for example prisons to avoid escapes, or lands on which are located premises or critical equipment to reverse conversely to avoid intrusions, by means of flaps on which one comes to fix wire of wire of crowning which are generally son of bramble, still called barbed wire.

De tels bavolets ont la forme de pièces coudées et ils sont réalisés par l'assemblage par soudure de deux profilés de sections transversales généralement différentes, celui de plus petite section étant du même type que le « poteau d'embase » et celui de plus grande section étant du même type que le poteau à proprement parler qui va recevoir le bavolet. Le profilé de plus petite section du bavolet est doté de bossages formant des saillies vers l'extérieur, lesquels bossages vont permettre de bloquer le bavolet à l'intérieur du poteau et empêcher ainsi son arrachement, et le profilé de plus grande section est doté de linguets formant également des saillies vers l'extérieur, linguets qui vont retenir les fils de grillage de couronnement.Such flaps have the shape of bent parts and they are made by welding assembly of two sections of generally different cross sections, the smaller section being of the same type as the "base post" and that of larger. section being the same type as the pole strictly speaking who will receive the flap. The profile of smaller section of the flap has bosses forming protrusions to the outside, which bosses will allow to block the flap inside the post and prevent its tearing, and the profile of larger section is equipped with latches also protruding outwards, latches that will hold the wire fence wire.

De tels bavolets sont introduits à force dans le poteau à proprement parler, par leur profilé de plus petite section, en partie supérieure dudit poteau, le profilé de plus grande section, qui est alors en position oblique, étant tourné vers l'intérieur du terrain à sécuriser.Such flaps are forcibly introduced into the column itself, by their profile of smaller section, in the upper part of said post, the section of larger section, which is then in an oblique position, being turned towards the interior of the ground to secure.

DESCRIPTION GÉNÉRALE DE L'INVENTIONGENERAL DESCRIPTION OF THE INVENTION

La présente invention a ainsi pour premier objet un procédé de rehaussement d'une clôture existante semi-rigide, tendue, du type grillage, soutenue par des poteaux plantés dans le sol à intervalles plus ou moins réguliers, chacun desdits poteaux étant réalisé sous la forme d'un profilé tubulaire doté de moyens formant saillies, permettant l'accrochage des fils du grillage, ledit procédé étant caractérisé en ce que, dans les zones de rehaussement voulues, l'on dispose par enfoncement dans chaque poteau de clôture existant un poteau de rehaussement constitué d'un profilé tubulaire d'un seul tenant dont la section transversale est complémentaire de celle du poteau existant, ledit poteau de rehaussement étant lui-même doté de premiers moyens formant saillies, permettant l'accrochage des fils du grillage destiné à rehausser la clôture existante, et d'au moins un second moyen formant également saillie, apte à venir en butée contre le chant supérieur du poteau existant et à empêcher ainsi le poteau de rehaussement de descendre davantage à l'intérieur du poteau existant, et en ce que l'on enfonce le poteau de rehaussement dans le poteau existant jusqu'à ce qu'il vienne à buter contre ledit poteau existant.The present invention thus has as its first object a method of raising an existing semi-rigid fence, tensioned, type roasting, supported by posts planted in the ground at more or less regular intervals, each of said posts being made in the form a tubular section provided with projecting means for fastening the wires of the grid, said method being characterized in that , in the desired zones of enhancement, a stud of raising consisting of a tubular section in one piece whose cross section is complementary to that of the existing pole, said raising pole being itself provided with first means forming projections, for attachment of the son of the mesh to enhance the existing fence, and at least a second means also projecting, adapted to abut against the upper edge of the pole existing and thus prevent the raising pole to go further into the existing pole, and in that it pushes the raising pole in the existing post until it comes to abut against the existing post .

Selon une forme préférentielle de mise en oeuvre, on forme sur chaque poteau de rehaussement, entre les deux chants de celui-ci, au moins un linguet dont l'extrémité libre est tournée dans la direction d'enfoncement dudit poteau de rehaussement à l'intérieur du poteau existant, ledit linguet constituant la butée destinée à bloquer la descente dudit poteau de rehaussement.According to a preferred embodiment, there is formed on each raising pole, between the two edges thereof, at least one pawl whose free end is rotated in the direction of insertion of said raising pole to the inside the existing pole, said latch constituting the stop for blocking the descent of said raising pole.

Très avantageusement, sous le linguet constituant la butée destinée à bloquer la descente du poteau de rehaussement à l'intérieur du poteau existant, on forme par emboutissage au moins un moyen de coincement du poteau de rehaussement apte à venir s'encastrer sous l'une des saillies présente sur le poteau existant et à bloquer ainsi la remontée et le dégagement du poteau de rehaussement relativement au poteau existant. Ainsi, tout poteau de rehaussement introduit dans un poteau existant se trouve bloqué dans ce dernier, tant dans son mouvement vertical de descente que dans son mouvement d'extraction.Very advantageously, under the pawl constituting the abutment intended to block the descent of the raising pole inside the existing post, at least one wedging means is formed by embossing the raising post capable of being embedded under one projections present on the existing pole and thus block the raising and disengagement of the raising pole relative to the existing pole. Thus, any raising pole introduced into an existing pole is blocked in the latter, both in its vertical descent movement as in its extraction movement.

Bien évidemment, la présente invention a pour deuxième objet un poteau de rehaussement d'une clôture existante permettant la mise en oeuvre du procédé correspondant à la définition générale exposée ci-dessus, ledit poteau de rehaussement étant remarquable en ce qu'il est constitué d'un profilé tubulaire d'un seul tenant dont la section transversale extérieure est complémentaire de la section transversale intérieure du poteau existant, ledit poteau de rehaussement comportant en outre des premiers moyens formant saillies, permettant l'accrochage des fils du grillage destiné à rehausser la clôture existante, et au moins un second moyen formant également saillie, apte à venir en butée contre le chant supérieur du poteau existant et à empêcher ainsi le poteau de rehaussement de descendre davantage à l'intérieur du poteau existant.Obviously, the present invention has for its second object a raising pole of an existing fence allowing the implementation of the method corresponding to the general definition explained above, said raising pole being remarkable in that it consists of a tubular section in one piece whose outer cross section is complementary to the inner cross section of the existing post, said raising post further comprising first projection means for fastening the son of the mesh to enhance the existing fence, and at least a second means also protruding, adapted to abut against the upper edge of the existing pole and thus prevent the raising pole to descend further inside the existing pole.

Tant dans sa construction que dans sa destination, on comprend maintenant que le poteau de rehaussement conforme à l'invention est différent des bavolets coudés décrits en préliminaire, tels qu'enseignés par les brevets FR-2.429.309 et FR-2.568.615 .Both in its construction and in its destination, it is now understood that the raising pole according to the invention is different from the bent flaps described in preliminary, as taught by the patents. FR-2429309 and FR-2568615 .

Quant à la construction, le premier est d'un seul tenant tandis que les bavolets sont obtenus par l'assemblage par soudure de deux profilés, dont au surplus l'un a été par nécessité coupé obliquement. Le coût de réalisation d'un bavolet est donc nettement supérieur au coût de réalisation d'un poteau de rehaussement.As for the construction, the first is in one piece while the flaps are obtained by the assembly by welding of two profiles, of which in addition one was by necessity cut obliquely. The cost of producing a flap is therefore significantly higher than the cost of producing a raising pole.

Le poteau de rehaussement conforme à l'invention est rectiligne et il est monté en partie supérieure du poteau à rehausser en étant ainsi situé tout entier dans l'exact prolongement du poteau à rehausser alors que le bavolet est une pièce coudée dont la partie visible, extérieure au poteau à couronner, est oblique et tournée vers l'intérieur du terrain à sécuriser.The raising pole according to the invention is rectilinear and it is mounted in the upper part of the pole to to raise while being thus entirely located in the exact extension of the post to be raised whereas the bolster is a bent part whose visible part, external to the post to crown, is oblique and turned towards the interior of the ground to secure.

Quant à la destination, le poteau de rehaussement est essentiellement conçu pour empêcher le passage d'animaux au-dessus de la clôture alors que le bavolet est destiné à empêcher le passage des humains au-dessus de la clôture. Le poteau de rehaussement est conçu pour rehausser n'importe quel poteau de clôture, qu'il s'agisse d'emprises ou de terrains dont on veut protéger l'accès, alors que le bavolet, beaucoup plus coûteux à réaliser que le poteau de rehaussement, est dès lors d'une application beaucoup plus limitée et s'avère n'être en fait utilisé que pour couronner les grillages entourant des terrains et empêcher ainsi les intrusions ou les évasions des humains.As for the destination, the raising pole is essentially designed to prevent the passage of animals over the fence while the sill is intended to prevent the passage of humans over the fence. The raising pole is designed to enhance any fence posts, whether they are rights-of-way or lands that are to be protected from access, while the sill is much more expensive to erect than the fence post. enhancement, is therefore a much more limited application and turns out to be actually used to crown the fences surrounding land and prevent intrusions or escapes of humans.

Enfin, le poteau de rehaussement est essentiellement destiné à recevoir les fils d'un grillage de rehaussement, lesquels fils sont lisses, tandis que le bavolet est généralement destiné à recevoir des fils barbelés.Finally, the raising pole is essentially intended to receive the son of a raising grid, which son are smooth, while the flap is generally intended to receive barbed wire.

Au vu de toutes ces différences, les enseignements tirés des bavolets ne sont en conséquence pas transposables à la conception du poteau de rehaussement conforme à l'invention.In view of all these differences, the lessons learned from the flaps are therefore not transferable to the design of the raising pole according to the invention.

De préférence, les premiers moyens formant saillies sur un tel poteau de rehaussement sont réalisés sous la forme de linguets alignés et disposés selon un intervalle sensiblement régulier, les extrémités libres desdits linguets étant orientées dans la direction opposée à celle du poteau existant à rehausser, c'est-à-dire orientées vers le haut.Preferably, the first means forming protrusions on such a raising pole are in the form of aligned pawls and arranged at a substantially regular interval, the free ends of said pawls being oriented in the opposite direction to that of the existing pole to be raised, c that is, facing upwards.

De préférence également, le ou chaque second moyen formant saillie sur un tel poteau de rehaussement est réalisé sous la forme d'un linguet dont l'extrémité libre est orientée en direction du poteau existant à rehausser, c'est-à-dire orientée vers le bas.Also preferably, the or each second means projecting on such a raising pole is in the form of a pawl whose free end is oriented in direction of the existing pole to raise, that is to say, pointing down.

Selon une variante de réalisation particulièrement avantageuse, sur au moins l'une des faces extérieures du poteau de rehaussement, il est prévu au moins un bossage sous le second moyen formant butée, ledit bossage constituant un moyen de coincement du poteau de rehaussement relativement au poteau existant.According to a particularly advantageous embodiment, on at least one of the outer faces of the raising pole, at least one boss is provided under the second abutment means, said boss constituting a wedging means of the raising pole relative to the pole. existing.

Dans cette dernière construction, le bossage ou chaque bossage a la forme d'une partie d'ovoïde dont l'extrémité inférieure, tournée vers le poteau existant à rehausser, est arrondie, et dont l'extrémité supérieure, tournée dans la direction opposée, présente une face plane perpendiculaire à l'axe longitudinal du poteau de rehaussement et apte à venir en butée contre le bord d'un crevé d'un des linguets du poteau existant.In this latter construction, the boss or each boss has the shape of an ovoid portion whose lower end, turned towards the existing post to be raised, is rounded, and whose upper end, turned in the opposite direction, has a planar face perpendicular to the longitudinal axis of the raising pole and adapted to abut against the edge of a puncture of one of the latches of the existing pole.

Dans le cas particulier où le poteau existant à rehausser est constitué d'un profilé tubulaire à section transversale en C, la section transversale extérieure du poteau de rehaussement est également en C et est complémentaire de la section transversale intérieure du poteau existant.In the particular case where the existing post to be raised consists of a tubular section C section, the outer cross section of the raising pole is also in C and is complementary to the inner cross section of the existing pole.

La présente invention a bien évidemment pour troisième objet un poteau de clôture caractérisé en ce qu'il comporte un poteau de rehaussement conforme à l'une au moins des constructions précitées.The present invention obviously has for third object a fence post characterized in that it comprises a raising pole according to at least one of the abovementioned constructions.

BRÈVE DESCRIPTION DES DESSINSBRIEF DESCRIPTION OF THE DRAWINGS

  • Les Figures 1a et 1b sont des vues en perspective d'un poteau de clôture rehaussé obtenu par la mise en oeuvre de la première technique antérieure décrite en préliminaire, la Figure 1a montrant le poteau avant le montage et la Figure 1b montrant le poteau complètement monté.The Figures 1a and 1b are perspective views of an enhanced fence post obtained by the implementation of the first prior art described in preliminary, the Figure 1a showing the post before mounting and Figure 1b showing the pole completely mounted.
  • Les Figures 2a et 2b sont des vues en perspective d'un poteau de clôture rehaussé obtenu par la mise en oeuvre de la seconde technique antérieure décrite en préliminaire, la Figure 2a montrant le poteau avant le montage et la Figure 2b montrant le poteau complètement monté.The Figures 2a and 2b are perspective views of an enhanced fence post obtained through the implementation of the second prior art described in preliminary, the Figure 2a showing the post before mounting and Figure 2b showing the pole completely mounted.
  • La Figure 3 est une vue en perspective du poteau de rehaussement conforme à l'invention.The Figure 3 is a perspective view of the raising pole according to the invention.
  • Les Figures 4, 5 et 6 sont respectivement des vues de côté, de face et en bout du poteau de rehaussement représenté à la Figure 3.The Figures 4, 5 and 6 are respectively side, front and end views of the raising pole shown in FIG. Figure 3 .
  • Les Figures 7a et 7b sont des vues en perspective d'un poteau de clôture rehaussé obtenu par la mise en oeuvre de l'invention, la Figure 7a montrant le poteau avant le montage et la Figure 7b montrant le poteau complètement monté.The Figures 7a and 7b are perspective views of an enhanced fence post obtained by implementing the invention, the Figure 7a showing the post before mounting and Figure 7b showing the pole completely mounted.
  • La Figure 8 est une vue en perspective d'une partie de clôture rehaussée à l'aide du poteau de rehaussement conforme à l'invention.The Figure 8 is a perspective view of a portion of fence raised with the raising pole according to the invention.
DESCRIPTION D'UN MODE DE RÉALISATION PRÉFÉRÉ DE L'INVENTIONDESCRIPTION OF A PREFERRED EMBODIMENT OF THE INVENTION

Les Figures 1a et 1b ont pour simple but d'illustrer la réalisation d'un poteau de rehaussement conformément à la première technique antérieure exposée en préliminaire.The Figures 1a and 1b are for the simple purpose of illustrating the realization of a raising pole according to the first prior art explained in preliminary.

Sur ces Figures, le poteau existant est repéré par 1 et le poteau de rehaussement est repéré par 2.In these Figures, the existing post is marked with 1 and the raising post is marked with 2.

Le poteau existant 1 est déjà enterré dans le sol, soit directement, soit en étant emmanché autour d'un profilé dit d'embase qui a été préalablement battu dans le sol afin d'y être totalement enterré, le chant supérieur d'un tel profilé d'embase affleurant la surface du sol.The existing post 1 is already buried in the ground, either directly or by being fitted around a so-called base profile which has been previously beaten in the ground so as to be completely buried, the upper edge of such a base profile flush with the ground surface.

Quelle qu'ait été la manière dont le poteau a été planté dans le sol, la hauteur de celui-ci est de l'ordre de 1,50 mètre au-dessus du sol.Whatever the way the pole has been planted in the ground, the height of the pole is in the order of 1.50 meters above the ground.

Le poteau 1, dont la section transversale a été pour cet exemple choisie en forme de C, comporte sur son âme 3 des moyens 4 en saillie sur lesquels sont accrochés les fils de la clôture existante, lesdits moyens 4 étant alignés et disposés selon un intervalle plus ou moins régulier en fonction des besoins.The post 1, whose cross section has been chosen for this C-shaped example, comprises on its core 3 projecting means 4 on which are hung the son of the existing fence, said means 4 being aligned and arranged at a more or less regular interval depending on the needs.

Ces moyens 4 peuvent être des anneaux ou boucles rapportés par soudure. Dans l'exemple représenté, ces moyens 4 sont des linguets qui ont été obtenus par découpage partiel de la tôle constitutive du poteau 1, suivi d'une déformation de ladite tôle. Les extrémités libres des linguets 4 sont orientées vers le haut.These means 4 may be rings or loops reported by welding. In the example shown, these means 4 are pawls that were obtained by partial cutting of the constituent plate of the post 1, followed by a deformation of said sheet. The free ends of the latches 4 are oriented upwards.

Le poteau de rehaussement 2 est réalisé en atelier de telle sorte que sa section transversale extérieure soit complémentaire de la section transversale intérieure du poteau existant 1. Sa longueur, fonction de la hauteur voulue pour le rehaussement de la clôture existante, peut varier entre 0,8 et 1,3 mètre, dont environ 0,3 mètre sera emboîté dans le poteau existant 1.The raising pole 2 is made in the workshop so that its external cross section is complementary to the internal cross section of the existing post 1. Its length, depending on the height required for the raising of the existing fence, may vary between 0, 8 and 1.3 meters, of which about 0.3 meters will be nested in the existing post 1.

Toujours en atelier, l'âme 33 du poteau de rehaussement 2 aura été dotée de moyens 5 en saillie, ces moyens 5 dans l'exemple représenté étant, comme sur le poteau existant 1, des linguets alignés, formés par emboutissage et par déformation de la tôle constitutive du profilé 2. L'âme 33 du poteau 2 comprendra en outre un orifice 6 percé à environ 0,2 mètre du chant d'extrémité inférieur 7 du profilé 2.Still in the workshop, the core 33 of the raising pole 2 has been provided with means 5 protruding, these means 5 in the example shown being, as on the existing post 1, aligned pawls, formed by stamping and deformation of the constituent plate of the profile 2. The core 33 of the post 2 will also comprise an orifice 6 pierced at about 0.2 meters from the lower end edge 7 of the profile 2.

Sur chantier, le technicien perce l'âme 3 du poteau existant 1 d'un orifice 8 à environ 0,1 mètre du chant supérieur dudit poteau existant, puis il introduit le poteau de rehaussement 2 dans le poteau existant 1 par son chant 7 et il fait descendre doucement ledit poteau de rehaussement en le soutenant manuellement, et ce jusqu'à amener l'orifice 6 au regard de l'orifice 8. A cet instant, le technicien introduit dans les deux orifices 8, 6,un boulon 9 équipé d'une rondelle 10 qui traverse les deux poteaux 1 et 2 ainsi emboîtés et il fixe ce boulon 9 à l'aide d'un écrou 11. Cet écrou 11 est avantageusement réalisé sous la forme d'une plaque percée en son centre d'un trou taraudé, plaque dont les deux extrémités sont pliées à environ 90° afin de constituer un étrier dont les deux ailes 12 ainsi repliées viendront encadrer les ailes 13 du profilé 1, construction qui, à l'évidence, facilite le vissage de l'extrémité filetée du boulon 9 dans son écrou 11 puisque ce dernier se trouve alors bloqué en rotation.On site, the technician pierces the core 3 of the existing post 1 with an orifice 8 at approximately 0.1 meters from the upper edge of said existing post, then he introduces the raising post 2 into the existing post 1 by its edge 7 and it gently lowers said raising pole by supporting it manually, and until the orifice 6 is brought in line with the orifice 8. At this moment, the technician introduces into the two orifices 8, 6, a bolt 9 equipped with a washer 10 which passes through the two posts 1 and 2 thus fitted and it fixes the bolt 9 by means of a nut 11. This nut 11 is advantageously made in the form of a plate pierced at its center. a tapped hole, a plate whose two ends are bent at about 90 ° to form a stirrup, the two wings 12 and folded will come framing the wings 13 of the profile 1, which obviously facilitates the screwing of the threaded end of the bolt 9 in its nut 11 since the latter is then locked in rotation.

Les Figures 2a et 2b ont pour simple but d'illustrer la réalisation d'un poteau de rehaussement conformément à la seconde technique antérieure exposée en préliminaire.The Figures 2a and 2b are for the simple purpose of illustrating the realization of a raising pole according to the second prior art explained in preliminary.

Dans l'illustration de cette autre technique connue, le poteau existant conserve les mêmes références que celles attribuées dans l'illustration de la première technique antérieure.In the illustration of this other known technique, the existing post retains the same references as those assigned in the illustration of the first prior art.

Le poteau de rehaussement 14 est cette fois obtenu par soudage de deux profilés en C, un premier profilé 15 qui constituera la partie de rehaussement, dont la section transversale est identique à celle du poteau existant 1, et un second profilé 16 qui constituera la partie d'emboîtement ou de raccordement d'avec le poteau existant 1, et dont la section transversale est celle d'un profilé d'embase, donc complémentaire de la section intérieure du poteau existant.The raising pole 14 is this time obtained by welding two C-sections, a first profile 15 which will constitute the raising part, whose cross section is identical to that of the existing post 1, and a second section 16 which will constitute the part interlocking or connecting with the existing post 1, and whose cross section is that of a base profile, so complementary to the inner section of the existing post.

Le profilé 16 est soudé en atelier dans le profilé 15 sur une longueur d'environ 0,3 mètre. Il déborde d'environ 0,3 mètre du profilé 15, lequel a lui-même une longueur de l'ordre de 0,5 mètre à 1 mètre, fonction de la hauteur de rehaussement voulue pour la clôture existante.The profile 16 is welded in the workshop in the section 15 over a length of about 0.3 meters. It extends approximately 0.3 meters from the profile 15, which itself has a length of the order of 0.5 meter to 1 meter, depending on the desired height of enhancement for the existing fence.

Comme dans l'exemple précédent, l'âme 3 du poteau existant 1 et l'âme 17 du profilé 15 sont l'une et l'autre dotées de linguets alignés, respectivement 4 et 18, dont les extrémités libres sont tournées vers le haut.As in the previous example, the core 3 of the existing post 1 and the core 17 of the section 15 are both provided with aligned pawls, 4 and 18, respectively, whose free ends are turned upwards. .

Pour mettre en oeuvre cette autre technique connue, il suffit sur chantier d'enfiler le poteau de rehaussement 14 dans le poteau existant 1 via le profilé d'embase 16 jusqu'à ce que le chant d'extrémité inférieur 19 du profilé 15 vienne à buter contre le chant d'extrémité supérieur 20 du poteau existant 1.To implement this other known technique, it is sufficient on site to thread the raising pole 14 into the existing post 1 via the base profile 16 until the lower end edge 19 of the profile 15 comes to abut against the upper end edge 20 of the existing post 1.

Cette technique, facile à mettre en oeuvre sur chantier, est toutefois plus coûteuse dans la mesure où :

  • elle impose en atelier d'avoir recours à des soudures,
  • elle nécessite un surcroît de matière puisque, dans toute la partie correspondant au soudage, c'est-à-dire sur environ 0,3 mètre, il existe une double épaisseur de tôle.
This technique, easy to implement on site, is however more expensive insofar as:
  • it requires in the workshop to use welds,
  • it requires an additional material because, throughout the portion corresponding to the welding, that is to say about 0.3 meters, there is a double thickness of sheet.

Le poteau de rehaussement 21 conforme à l'invention est d'un seul tenant et il est d'une section transversale extérieure complémentaire de la section transversale intérieure du poteau existant 1 à rehausser.The raising pole 21 according to the invention is in one piece and it is of an outer cross section complementary to the internal cross section of the existing pole 1 to be raised.

Autrement dit, dans l'exemple choisi où le poteau existant 1 est à section transversale en forme de C, le poteau de rehaussement 21 est lui-même à section en C.In other words, in the example chosen where the existing post 1 has a C-shaped cross section, the raising pole 21 itself has a C-section.

D'autres sections peuvent toutefois être envisagées, conformément à l'invention, dès lors que la complémentarité entre le poteau de rehaussement 21 et le poteau 1 à rehausser est réalisée.Other sections may however be envisaged, according to the invention, since the complementarity between the raising pole 21 and the pole 1 to be raised is achieved.

Afin de réaliser le poteau de rehaussement le plus économique qui soit, on forme le profilé en C qui le constituera d'un seul tenant en utilisant la technique connue du profilage à froid, c'est-à-dire que l'on déforme progressivement la tôle plane d'origine entre des paires successives de galets disposées transversalement sur une ligne de profilage.In order to produce the most economical raising pole, the C-profile is formed in one piece using the known cold forming technique, that is to say, it is progressively deformed. the original plane sheet between successive pairs of rollers arranged transversely on a profiling line.

Cette façon de procéder a pour avantage de permettre sur la même ligne de profilage la réalisation de linguets 22 destinés à permettre l'accrochage des fils de la partie rehaussée de la clôture, ces linguets 22 étant tous obtenus par découpage partiel de la tôle et déformation des parties partiellement découpées.This procedure has the advantage of allowing on the same profiling line the production of latches 22 intended to allow attachment of the son of the raised portion of the fence, these latches 22 being all obtained by partial cutting of the sheet and deformation partially cut parts.

Les linguets 22 en saillie ainsi formés ont tous la même orientation et, sur le profilé obtenu par profilage à froid qui sera ultérieurement découpé à des longueurs de 0,8 à 1,3 mètre, fonction de la hauteur de rehaussement voulu, ils seront tous orientés vers le haut, alignés et disposés à intervalles plus ou moins réguliers le long de l'axe longitudinal du profilé.The protruding pawls 22 thus formed all have the same orientation and, on the profile obtained by cold profiling which will subsequently be cut to lengths of 0.8 to 1.3 meters, depending on the height of desired enhancement, they will all be oriented upwards, aligned and arranged at more or less regular intervals along the longitudinal axis of the profile.

Conformément à l'invention, au cours de l'opération de découpage et de déformation de la tôle conduisant à la réalisation des linguets 22, on forme par la même technique, à environ 0,3 mètre du chant d'extrémité inférieur 23 du futur poteau de rehaussement, un linguet 24 particulier, en ce sens qu'il est d'orientation inverse de celle des linguets 22.According to the invention, during the cutting operation and deformation of the sheet leading to the realization of latches 22, is formed by the same technique, about 0.3 meters from the lower end edge 23 of the future raising pole, a particular latch 24, in that it is of opposite orientation to that of the latches 22.

On réalise ainsi une butée 24 qui délimite selon la ligne représentée en trait mixte 25 deux parties distinctes du poteau de rehaussement 21, une partie inférieure 26 qui va constituer la partie d'emmanchement dans le poteau existant 1 et une partie supérieure 27 qui va constituer la partie de rehaussement du poteau 21 à proprement parler.This produces a stop 24 which delimits according to the line shown in phantom 25 two distinct parts of the raising pole 21, a lower portion 26 which will constitute the fitting part in the existing post 1 and an upper portion 27 which will constitute the raising part of the pole 21 itself.

La pose sur chantier du poteau de rehaussement 21 ainsi réalisé est particulièrement aisée puisqu'il suffit d'emboîter le poteau 21 par son extrémité 23 dans le poteau existant 1 et de faire descendre ledit poteau de rehaussement jusqu'à ce que le fond de son linguet 24 vienne à buter contre le chant d'extrémité supérieur 20 du poteau existant.The installation on site of the raising pole 21 thus produced is particularly easy since it suffices to fit the pole 21 by its end 23 in the existing post 1 and to lower said raising pole until the bottom of its latch 24 comes to abut against the upper end edge 20 of the existing pole.

Il est bien évidemment prévu par construction que le linguet 24 formera avec l'âme 28 du poteau 21 une saillie débordant de ladite âme d'une distance très légèrement supérieure à l'épaisseur de la tôle constitutive du poteau existant 1.It is obviously provided by construction that the latch 24 will form with the core 28 of the post 21 a protrusion protruding from said core a distance slightly greater than the thickness of the sheet constituting the existing post 1.

Le poteau de rehaussement 21 ainsi installé est bloqué dans son mouvement de descente.The raising pole 21 thus installed is blocked in its descent movement.

Très avantageusement, on peut prévoir de le coincer, voire de le bloquer également dans son mouvement d'extraction.Very advantageously, it can be provided to jam it, or even to block it in its extraction movement.

Pour cela, en atelier, toujours au cours de l'opération de formation des linguets 22 et 24, on formera sur l'âme 28 du futur poteau de rehaussement au moins un bossage 29 par poinçonnage de la tôle, toujours orienté de sorte à être en saillie vers l'extérieur.For this, in the workshop, always during the forming operation of the pawls 22 and 24, will be formed on the soul 28 of the future raising pole at least one boss 29 by punching the sheet, always oriented so as to be protruding outwards.

Chaque bossage 29 a la forme d'une partie d'ovoïde dont l'extrémité inférieure 30, tournée vers le poteau existant 1 à rehausser, est arrondie, et dont l'extrémité supérieure 31, tournée dans la direction opposée, présente une face plane qui est perpendiculaire à l'axe longitudinal du poteau de rehaussement 21. Ainsi qu'il est visible sur la Figure 7a, la face plane 31 du bossage 29 est apte à venir en butée contre le bord 32 du crevé (de la découpe) de la tôle existant sous tout linguet 4 du poteau existant 1, ce qui aura pour effet de coincer le poteau de rehaussement 21 relativement au poteau existant et d'empêcher ainsi tout déplacement vers le haut et notamment tout arrachement non voulu. Pour cela, il est clair qu'idéalement la face plane 31 du bossage aura une largeur légèrement inférieure à celle du bord 32 du crevé pratiqué dans la tôle.Each boss 29 has the shape of an ovoid portion whose lower end 30, facing the existing post 1 to be raised, is rounded, and whose upper end 31, turned in the opposite direction, has a flat face which is perpendicular to the longitudinal axis of the raising pole 21. As is visible on the Figure 7a , the flat face 31 of the boss 29 is able to abut against the edge 32 of the puncture (of the blank) of the existing sheet under any latch 4 of the existing post 1, which will have the effect of jamming the raising pole 21 relative to the existing post and thus prevent any upward movement including any unwanted tearing. For this, it is clear that ideally the flat face 31 of the boss will have a slightly smaller width than the edge 32 of the puncture made in the sheet.

Une clôture existante 34 rehaussée conformément à l'invention est représentée à la Figure 8.An existing fence 34 raised in accordance with the invention is shown in FIG. Figure 8 .

Après emboîtement du poteau de rehaussement 21 dans le poteau existant 1 et mise en butée dudit poteau de rehaussement dès que le fond de ce linguet 24 vient en contact avec le chant d'extrémité supérieur 20 du poteau 1, le technicien n'a plus qu'à fixer les fils 36 de la clôture de rehaussement 35 sur le poteau 21 en utilisant pour cela les linguets 22.After interlocking of the raising pole 21 in the existing post 1 and abutting said raising pole as soon as the bottom of this pawl 24 comes into contact with the upper end edge 20 of the post 1, the technician has only four fixing the wires 36 of the raising fence 35 to the pole 21, using the latches 22 for this purpose.

Comme il va de soi, l'invention ne se limite pas aux seuls modes d'exécution préférentiels décrits ci-dessus.It goes without saying that the invention is not limited to the only preferred embodiments described above.

Elle embrasse au contraire toutes les variantes possibles de réalisation, pour autant que ces.dernières ne sortent pas du cadre délimité par les revendications ci-jointes qui définissent la présente invention.On the contrary, it embraces all the possible variants of implementation, insofar as these latter do not go beyond the scope delimited by the appended claims which define the present invention.

Claims (10)

Procédé de rehaussement d'une clôture existante semi-rigide (34), tendue, du type grillage, soutenue par des poteaux (1) plantés dans le sol à intervalles plus ou moins réguliers, chacun desdits poteaux (1) étant réalisé sous la forme d'un profilé tubulaire doté de moyens (4) formant saillies, permettant l'accrochage des fils du grillage, caractérisé en ce que, dans les zones de rehaussement voulues, l'on dispose par enfoncement dans chaque poteau de clôture (1) existant un poteau de rehaussement (21) constitué d'un profilé tubulaire d'un seul tenant dont la section transversale est complémentaire de celle du poteau existant, ledit poteau de rehaussement étant lui-même doté de premiers moyens (22) formant saillies, permettant l'accrochage des fils (36) du grillage (35) destiné à rehausser la clôture existante (34), et d'au moins un second moyen (24) formant également saillie, apte à venir en butée contre le chant supérieur (20) du poteau existant (1) et à empêcher ainsi le poteau de rehaussement (21) de descendre davantage à l'intérieur du poteau existant, et en ce que l'on enfonce le poteau de rehaussement (21) dans le poteau existant (1) jusqu'à ce qu'il vienne à buter contre ledit poteau existant.Method of raising an existing rigid, tighter, wire-like, semi-rigid fence (34) supported by posts (1) planted in the ground at more or less regular intervals, each of said posts (1) being in the form of of a tubular section provided with means (4) forming projections, allowing the attachment of the wires of the mesh, characterized in that , in the desired areas of enhancement, it is provided by embedding in each fence post (1) existing a raising pole (21) consisting of a tubular section in one piece whose cross section is complementary to that of the existing post, said raising post being itself provided with first means (22) forming projections, allowing hooking of the wires (36) of the mesh (35) intended to enhance the existing fence (34), and of at least one second means (24) also projecting, able to abut against the upper edge (20) of the existing pole (1) and e thus prevent the raising post (21) from descending further into the existing post, and by pushing the raising post (21) into the existing post (1) until it comes to abut against the existing pole. Procédé de rehaussement d'une clôture existante (34) selon la revendication 1, caractérisé en ce que l'on forme sur chaque poteau de rehaussement (21), entre les deux chants de celui-ci, au moins un linguet (24) dont l'extrémité libre est tournée dans la direction d'enfoncement dudit poteau de rehaussement (21) à l'intérieur du poteau existant (1), ledit linguet constituant la butée destinée à bloquer la descente dudit poteau de rehaussement.A method of raising an existing fence (34) according to claim 1, characterized in that one forms on each raising pole (21), between the two edges thereof, at least one latch (24) of which the free end is rotated in the direction of depression of said raising pole (21) inside the existing post (1), said latch constituting the stop for blocking the descent of said raising pole. Procédé de rehaussement d'une clôture existante (34) selon la revendication 2, caractérisé en ce que, sous le linguet (24) constituant la butée destinée à bloquer la descente du poteau de rehaussement (21) à l'intérieur du poteau existant (1), l'on forme par emboutissage au moins un moyen de coincement (29) du poteau de rehaussement (21) apte à venir s'encastrer sous l'une des saillies (4) présente sur le poteau existant (1) et à bloquer ainsi la remontée et le dégagement du poteau de rehaussement (21) relativement au poteau existant (1).A method of raising an existing fence (34) according to claim 2, characterized in that , under the latch (24) constituting the stop for blocking the descent of the post of raising (21) inside the existing post (1) is formed by stamping at least one wedging means (29) of the raising pole (21) adapted to be embedded in one of the projections (4) present on the existing post (1) and thereby block the raising and disengagement of the raising pole (21) relative to the existing post (1). Poteau de rehaussement (21) d'une clôture existante permettant la mise en oeuvre du procédé selon la revendication 1, caractérisé en ce qu'il est constitué d'un profilé tubulaire d'un seul tenant dont la section extérieure est complémentaire de la section intérieure du poteau existant (1), ledit poteau de rehaussement comportant en outre des premiers moyens (22) formant saillies, permettant l'accrochage des fils du grillage destiné à rehausser la clôture existante (34), et au moins un second moyen (24) formant également saillie, apte à venir en butée contre le chant supérieur (20) du poteau existant (1) et à empêcher ainsi le poteau de rehaussement (21) de descendre davantage à l'intérieur du poteau existant (1).Pole for raising (21) an existing fence allowing the implementation of the method according to claim 1, characterized in that it consists of a tubular section in one piece whose outer section is complementary to the section interior of the existing post (1), said raising post further comprising first means (22) forming projections, allowing the attachment of the wires of the mesh intended to enhance the existing fence (34), and at least one second means (24). ) also protruding, able to abut against the upper edge (20) of the existing pole (1) and thus prevent the raising pole (21) to go further into the existing pole (1). Poteau de rehaussement (21) d'une clôture existante selon la revendication 4, caractérisé en ce que les premiers moyens (22) formant saillies sont réalisés sous la forme de linguets alignés et disposés selon un intervalle sensiblement régulier, les extrémités libres desdits linguets étant orientées dans la direction opposée à celle du poteau existant (1) à rehausser, c'est-à-dire orientées vers le haut.Pole for raising (21) an existing fence according to claim 4, characterized in that the first means (22) forming projections are in the form of aligned pawls and arranged at a substantially regular interval, the free ends of said pawls being oriented in the direction opposite to that of the existing pole (1) to be raised, that is to say oriented upwards. Poteau de rehaussement (21) d'une clôture existante selon l'une quelconque des revendications 4 et 5, caractérisé en ce que le ou chaque second moyen (24) formant saillie est réalisé sous la forme d'un linguet dont l'extrémité libre est orientée en direction du poteau existant (1) à rehausser, c'est-à-dire orientée vers le bas.Pole for raising (21) an existing fence according to any one of claims 4 and 5, characterized in that the or each second means (24) forming is formed in the form of a pawl whose free end is oriented towards the existing pole (1) to be raised, that is to say oriented downwards. Poteau de rehaussement (21) d'une clôture existante selon l'une quelconque des revendications 4 à 6, permettant la mise en oeuvre du procédé selon la revendication 3, caractérisé en ce que, sous le second moyen (24) formant butée, il est prévu sur au moins l'une de ses faces extérieures au moins un bossage (29) constituant un moyen de coincement du poteau de rehaussement (21) relativement au poteau existant (1).Pole for raising (21) an existing fence according to any one of claims 4 to 6, allowing the implementation of the method according to claim 3, characterized in that , under the second means (24) forming a stop, it is planned on at least one of its outer faces at least one boss (29) forming a wedging means of the raising pole (21) relative to the existing post (1). Poteau de rehaussement (21) d'une clôture existante selon la revendication 7, caractérisé en ce que le bossage ou chaque bossage (29) a la forme d'une partie d'ovoïde dont l'extrémité inférieure (30), tournée vers le poteau existant (1) à rehausser, est arrondie, et dont l'extrémité supérieure (31), tournée dans la direction opposée, présente une face plane perpendiculaire à l'axe longitudinal du poteau de rehaussement (21) et apte à venir en butée contre le bord (32) d'un crevé d'un des linguets (4) du poteau existant (1).Pole for raising (21) an existing fence according to claim 7, characterized in that the boss or each boss (29) is in the form of an ovoid portion whose lower end (30) facing the existing post (1) to be raised, is rounded, and whose upper end (31), turned in the opposite direction, has a plane face perpendicular to the longitudinal axis of the raising pole (21) and able to abut against the edge (32) of a puncture of one of the latches (4) of the existing pole (1). Poteau de rehaussement (21) d'une clôture existante selon l'une des revendications 4 à 8, plus particulièrement apte à rehausser un poteau existant (1) constitué d'un profilé tubulaire à section transversale en C, caractérisé en ce que sa section transversale extérieure en C est complémentaire de la section transversale intérieure du poteau existant (1).Pole for raising (21) an existing fence according to one of claims 4 to 8, more particularly adapted to enhance an existing post (1) consisting of a tubular section with a cross section C, characterized in that its section external cross section in C is complementary to the inner cross section of the existing post (1). Poteau de clôture caractérisé en ce qu'il comporte un poteau de rehaussement (21) conforme à l'une quelconque des revendications 4 à 9.Fence post characterized in that it comprises a raising pole (21) according to any one of claims 4 to 9.
EP20130290115 2012-05-23 2013-05-23 Method of raising an existing fence, raising post and fence post raised in such a way Active EP2666934B1 (en)

Applications Claiming Priority (1)

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FR1201495A FR2990976B1 (en) 2012-05-23 2012-05-23 METHOD FOR INCREASING AN EXISTING FENCE, POST-UP POINT AND CLOSING POST SO ENHANCED

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EP2666934B1 EP2666934B1 (en) 2015-01-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11346125B2 (en) 2017-08-25 2022-05-31 Master-Halco, Inc. Fencing system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1130287A (en) * 1914-10-19 1915-03-02 John Horvath Portable fence.
FR573626A (en) * 1923-10-27 1924-06-27 John Elwell Ltd Post to support the fences
FR2429309A1 (en) 1978-06-21 1980-01-18 Profilafroid Sa Sectional fence post of slotted square tube - has base stem and head pieces coupled by telescopic joints locked by knobs entering flap-cut holes
FR2568615A2 (en) 1978-06-21 1986-02-07 Profilafroid Sa Fence post
US20050189531A1 (en) * 2004-02-27 2005-09-01 Bechtel Friend K. T-post extender and high fence support

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1130287A (en) * 1914-10-19 1915-03-02 John Horvath Portable fence.
FR573626A (en) * 1923-10-27 1924-06-27 John Elwell Ltd Post to support the fences
FR2429309A1 (en) 1978-06-21 1980-01-18 Profilafroid Sa Sectional fence post of slotted square tube - has base stem and head pieces coupled by telescopic joints locked by knobs entering flap-cut holes
FR2568615A2 (en) 1978-06-21 1986-02-07 Profilafroid Sa Fence post
US20050189531A1 (en) * 2004-02-27 2005-09-01 Bechtel Friend K. T-post extender and high fence support

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11346125B2 (en) 2017-08-25 2022-05-31 Master-Halco, Inc. Fencing system

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FR2990976A1 (en) 2013-11-29
EP2666934B1 (en) 2015-01-07
FR2990976B1 (en) 2015-04-03

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