EP1027909A1 - Net supporting pole and snow probing rod - Google Patents

Net supporting pole and snow probing rod Download PDF

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Publication number
EP1027909A1
EP1027909A1 EP00420019A EP00420019A EP1027909A1 EP 1027909 A1 EP1027909 A1 EP 1027909A1 EP 00420019 A EP00420019 A EP 00420019A EP 00420019 A EP00420019 A EP 00420019A EP 1027909 A1 EP1027909 A1 EP 1027909A1
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diameter
cylindrical
pole
rod
main
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German (de)
French (fr)
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EP1027909B1 (en
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Antoine Costa
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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B29/00Apparatus for mountaineering
    • A63B29/02Mountain guy-ropes or accessories, e.g. avalanche ropes; Means for indicating the location of accidentally buried, e.g. snow-buried, persons
    • A63B29/021Means for indicating the location of accidentally buried, e.g. snow-buried, persons
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63CSKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C19/00Design or layout of playing courts, rinks, bowling greens or areas for water-skiing; Covers therefor
    • A63C19/06Apparatus for setting-out or dividing courts
    • A63C19/062Slalom gate poles, posts or marking sticks for sport fields

Definitions

  • the invention relates to improvements to stakes. support for nets and snow probes.
  • nets like, for example, nets for marking of tracks or nets for the protection of skiers or wind protection nets; these nets are supported by stakes whose main body consists of a cylindrical rod of revolution which are driven into the ground by a lower end having a point and which have at the upper end a impact head for driving in the support post nets and one or more rings to hang the nets.
  • net support posts are designed to have good rigidity to resist stress of environment linked, in particular, to the efforts supported by the nets like, for example, the impact of a skier, the effort exerted by a strong wind, or the weight of snow; they have safety points at the attachment points to limit the level of effort applied to post, in order to keep its integrity, such as collars that may slide along the stake support for broken nets or rings liable to open if the effort is too great.
  • These posts of a length of the order of one and a half to two meters are generally cylindrical with a diameter of the order of twenty millimeters, are made from extruded tubes aluminum and are fitted with an added point comprising its base a cylindrical part, of a diameter substantially equal to the inside diameter of the tube and separated from the tip by a shoulder having substantially the outside diameter of the tube; this point is designed so that the support post nets could be torn off in the event of abnormal efforts to avoid its destruction.
  • poles of sounding of which the main body of the pole is a rod made, either from a tube with a diameter of about twelve millimeters in one piece, either from segments aluminum tubes of the same diameter, the ends of which have male and female threaded parts that allow their end-to-end assembly; survey poles have a kind of half-ball at their lower end terminated by a cylindrical base, with a diameter substantially equal to the inside diameter of the aluminum tube, which enters the tube with a shoulder of a diameter equal to the outside diameter of the tube.
  • the invention consists in improving the performance of net stakes and survey poles in separating the functions at first for the intrinsically improve and then harmonize them between they.
  • the main body of the stakes and poles is made up by a cylindrical rod of revolution composed of wires of glass in one piece over the entire length of the stem, coated with polycondensable polyester resin.
  • the invention consists in replacing the main body of stake 1 (fig. 1 and 2) or the main pole body 2 (fig. 3 and 4), initially made of an aluminum tube, by a cylindrical rod of revolution obtained by pulltrusion, composed of glass threads in one piece on the entire length of the rod, which are preferably coated polycondensable polyester resin.
  • This rod is present in the form of either a thick-walled tube 3 (fig. 3) either rod 4 (fig.
  • the thick-walled tube 3 is used to preference for survey poles while rods 4 are preferably used to make the stakes net holders;
  • the cylindrical rod used has a outer diameter which is of the order of fifteen to twenty millimeters and when formed from a wall tube thick 3, the wall thickness is around fifteen to twenty percent of the outside diameter of the thick walled tube 3.
  • a tip 8 which is generally conical and which is at its base larger in diameter than the main stake body 1; it is extended by a lower cylindrical sleeve 9 of revolution of a length of the order of two to five centimeters and whose internal diameter is adjusted to outside diameter of the main stake body 1; the body main stake 1 is fixed in the cylindrical sleeve lower 9 by gluing, which can be for example of the polyurethane glue and a lock can ensure assembly; it can be made with a pin 10 crossing diametrically the entire main body of stake 1 and the lower cylindrical sleeve 9.
  • the diameter of the lower cylindrical sleeve 9 being greater than that of the main body of stake 1, it acts as a restraint in the ground at the point 8 while the main body the stake itself has in its buried part a certain degree of freedom which is favorable to his ability to elastic deformation.
  • the upper end of the stake 11 is simplified compared to that of the net support stake aluminum and in particular it is no longer essential use necklaces that could slide along the main body of the net support post as well as broken rings since it is the main body that absorbs the efforts ; as a result the upper end of stake 11 consists of a striking head 12 of a diameter greater than the diameter of the main stake body 1 connected by an intermediate cylindrical part 13 to a cylindrical upper sleeve 14 of revolution of a length of the order of two to five centimeters and whose diameter interior is adjusted to the diameter of the main stake body 1; the main stake body 1 is fixed in the sleeve upper cylindrical 14 by gluing, which can be, by example, polyurethane glue and a lock can ensure assembly; it can be made by a pin 15 crossing diametrically the entire main body of stake 1 and upper cylindrical sleeve 14; rings attachment nets are attached to ear cups 16 (fig.
  • the aluminum parts placed at lower 7 and upper 11 ends can be mainly made of cast aluminum.
  • they are preferably consisting of a main pole body 2 consisting of a thick-walled tube 3 (fig.
  • a first lower end pole 19 has a tip formed of a first face rounded 20 convex, connected to a first lateral surface 21 in the shape of a cylinder of revolution of low height and diameter slightly greater than the diameter of the main body perch 2 which can be of the order of one to two millimeters; the latter is itself connected to a second rounded surface 22 oriented in opposition by relative to the first rounded face 20; these three surfaces 20, 21 and 22 having a common axis of symmetry 23; the second rounded surface 22 has in its central part a first cylindrical rod 24 of revolution of a few centimeters long and of diameter substantially equal to inner diameter of the thick-walled tube 3; the first one cylindrical rod 24 is connected to a first shoulder annular 25 whose outside diameter is the diameter outside of the thick-walled tube 3.
  • the first rod cylindrical 24 is used to fix the first end lower pole 19 in the main body of pole 2; it is inserted into the end of the thick-walled tube 3 and it is glued to it by an adhesive which can be an adhesive polyurethane; in a variant of the invention, the first cylindrical rod 24 has at regular intervals annular grooves 26 which facilitate fixing by gluing of the first cylindrical rod 24 ensuring better glue distribution; in another variant of the invention, the assembly is locked by a pin crossing the lower end of the main body of pole 2 and the first cylindrical rod 24.
  • the shape of the first lower end of pole 19 makes it possible to produce a hole wider than the diameter of the main body of pole 2 which facilitates the sliding of the pole survey 6 on insertion and withdrawal;
  • the second surface rounded 22 has, at its junction with the body main pole 2, a ramp which allows, when removing sounding pole 6 from its hole, regular evacuation snow.
  • a second lower end of pole 27 (fig. 4) is formed of two elements similar to the one just described which are placed in series on the same axis of revolution: the second lower end of pole 27 has a third rounded surface 28 convex, similar in shape to that of the first rounded convex surface 20, limited externally as before by a second surface lateral 29 cylindrical of revolution of low height of a diameter preferably identical to the diameter of the first lateral surface 21; this lateral surface 29 limits externally a fourth convex rounded surface 30, which is in opposition to the third rounded surface 28, which is connected internally on a third surface lateral 31 cylindrical low height with a diameter substantially equal to the inside diameter of the main body of pole 2; the other end of the third side surface 31 internally limits a fifth rounded surface 32 convex externally bounded by a fourth surface lateral 33 cylindrical of revolution of low height and slightly larger in diameter than the second lateral surface 29; finally a sixth rounded surface 34 con
  • the link between the segments is made as for the aluminum survey poles with male and female end caps screwed together.
  • the main body of pole 6 has a diameter of fifteen millimeters
  • the second lateral surface 29 has a diameter of fifteen millimeters
  • the fourth lateral surface 33 has a diameter of sixteen millimeters.
  • the description relates to the use of glass fibers for the production of rods and tubes thick wall intended to make stakes and poles survey; it is obvious that glass threads can be replaced by all synthetic yarns of mineral origin or organic such as carbon fiber whose amplitude of the area of elastic deformation by stretching is substantially that of the glass strands so the levels corresponding effort.
  • glass threads can be replaced by all synthetic yarns of mineral origin or organic such as carbon fiber whose amplitude of the area of elastic deformation by stretching is substantially that of the glass strands so the levels corresponding effort.

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  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Signs Or Road Markings (AREA)
  • Fishing Rods (AREA)
  • Eye Examination Apparatus (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

The fence support picket has a post (1) supporting a wire (5). The wall of the post tube is made from glass fibre reinforced plastic. The spike tip (7) is formed as a moulding with a tubular upper spigot to receive the lower end of the post tube.

Description

L'invention concerne des perfectionnements aux piquets supports de filets et aux perches de sondage de la neige.The invention relates to improvements to stakes. support for nets and snow probes.

Dans les stations de sport d'hiver, on utilise toutes sortes de filets comme, par exemple, des filets pour le balisage des pistes ou des filets pour la protection des skieurs ou des filets de protection contre le vent ; ces filets sont soutenus par des piquets dont le corps principal est constitué d'une tige cylindrique de révolution qui sont enfoncés dans le sol par une extrémité inférieure comportant une pointe et qui comportent à l'extrémité supérieure une tête à frapper permettant d'enfoncer le piquet support de filets et un ou plusieurs anneaux permettant d'accrocher les filets. Ces piquets supports de filets sont conçus pour présenter une bonne rigidité afin de résister aux contraintes d'environnement liées, notamment, aux efforts supportés par les filets comme, par exemple, l'impact d'un skieur, l'effort exercé par un vent violent, ou le poids de la neige ; ils comportent au niveau des points d'accroche des sécurités permettant de limiter le niveau des efforts appliqués au poteau, afin de lui garder son intégrité, tels que des colliers qui sont susceptibles de glisser le long du piquet support de filets ou des anneaux brisés susceptibles de s'ouvrir si l'effort est trop important. Ces poteaux, d'une longueur de l'ordre d'un mètre et demi à deux mètres sont généralement cylindriques d'un diamètre de l'ordre de vingt millimètres, sont réalisés à partir de tubes extrudés d'aluminium et sont munis d'une pointe rapportée comportant à sa base une partie cylindrique, d'un diamètre sensiblement égal au diamètre intérieur du tube et séparée de la pointe par un épaulement ayant sensiblement le diamètre extérieur du tube ; cette pointe est conçue pour que le piquet support de filets puisse s'arracher en cas d'efforts anormaux pour éviter sa destruction.In winter sports resorts, we all use kinds of nets like, for example, nets for marking of tracks or nets for the protection of skiers or wind protection nets; these nets are supported by stakes whose main body consists of a cylindrical rod of revolution which are driven into the ground by a lower end having a point and which have at the upper end a impact head for driving in the support post nets and one or more rings to hang the nets. These net support posts are designed to have good rigidity to resist stress of environment linked, in particular, to the efforts supported by the nets like, for example, the impact of a skier, the effort exerted by a strong wind, or the weight of snow; they have safety points at the attachment points to limit the level of effort applied to post, in order to keep its integrity, such as collars that may slide along the stake support for broken nets or rings liable to open if the effort is too great. These posts, of a length of the order of one and a half to two meters are generally cylindrical with a diameter of the order of twenty millimeters, are made from extruded tubes aluminum and are fitted with an added point comprising its base a cylindrical part, of a diameter substantially equal to the inside diameter of the tube and separated from the tip by a shoulder having substantially the outside diameter of the tube; this point is designed so that the support post nets could be torn off in the event of abnormal efforts to avoid its destruction.

La recherche des personnes ensevelies dans les coulées de neige se fait notamment en utilisant des perches de sondage, dont le corps principal de perche est une tige réalisée, soit à partir d'un tube d'un diamètre d'environ douze millimètres d'un seul tenant, soit à partir de segments de tubes en aluminium de même diamètre, dont les extrémités comportent des pièces filetées mâle et femelle qui permettent leur assemblage bout à bout ; les perches de sondage comportent à leur extrémité inférieure une sorte de demi-boule terminée par une base cylindrique, d'un diamètre sensiblement égal au diamètre intérieur du tube aluminium, qui pénètre dans le tube avec un épaulement d'un diamètre égal au diamètre extérieur du tube.The search for people buried in the castings snow is made in particular by using poles of sounding, of which the main body of the pole is a rod made, either from a tube with a diameter of about twelve millimeters in one piece, either from segments aluminum tubes of the same diameter, the ends of which have male and female threaded parts that allow their end-to-end assembly; survey poles have a kind of half-ball at their lower end terminated by a cylindrical base, with a diameter substantially equal to the inside diameter of the aluminum tube, which enters the tube with a shoulder of a diameter equal to the outside diameter of the tube.

Il apparaít que les tubes aluminium utilisés aussi bien pour réaliser des piquets supports de filets que pour les perches de sondage ont une limite élastique faible et qu'ils subissent fréquemment des déformations permanentes qui les rendent inopérants ; lorsque les dispositifs de protection permettant de protéger les piquets supports de filets ont fonctionné, il est nécessaire de faire intervenir du personnel pour les remettre en service ; les déformations peuvent provenir, pour les piquets supports de filets, des engins de damage qui passent sur les filets et pour les perches de sondage de bloc de neige plus dure qui devient l'extrémité inférieure de la perche de sondage et déforment cette dernière de manière permanente.It appears that the aluminum tubes used as well to make net support stakes only for sounding poles have a low yield strength and they frequently undergo permanent deformation which render inoperative; when the protective devices to protect the net support posts have functioned, it is necessary to involve personnel to put them back into service; deformations may come from, for the net support posts, tamping machines that pass over the nets and for harder snow block survey poles which becomes the lower end of the sounding pole and deform the latter permanently.

On connaít la technique de fabrication de pièces composites qui consiste à pulltruder en continu de la fibre minérale comme de la fibre de verre et de l'enduire d'un liant constitué par exemple d'une matière plastique polycondensable avant de l'introduire dans un conformateur, de manière à donner un profil constant à l'ensemble, tout en procédant à son réchauffage pour provoquer le durcissement. Les pièces ainsi fabriquées sont quasiment inaltérables et permettent une déformation élastique importante tout en ayant une excellente résistance à la déformation. Cette technique est couramment utilisée pour la fabrication des cannes à pêche.We know the technique of manufacturing parts composites which consists in continuously pulling fiber mineral like fiberglass and coat it with binder consisting for example of a plastic material polycondensable before introducing it into a conformator, so as to give a constant profile to the whole, while reheating to cause hardening. The parts thus produced are almost unalterable and allow significant elastic deformation while having excellent resistance to deformation. This technique is commonly used for the production of peach.

L'invention consiste à améliorer les performances des piquets supports de filets et des perches de sondage en séparant les fonctions dans un premier temps pour les améliorer intrinsèquement et ensuite les harmoniser entre elles.The invention consists in improving the performance of net stakes and survey poles in separating the functions at first for the intrinsically improve and then harmonize them between they.

Dans ce but et conformément aux revendications 1 et 5, le corps principal des piquets et des perches est constitué par une tige cylindrique de révolution composée de fils de verre d'un seul tenant sur toute la longueur de la tige, enduits de résine polyester polycondensable.For this purpose and in accordance with claims 1 and 5, the main body of the stakes and poles is made up by a cylindrical rod of revolution composed of wires of glass in one piece over the entire length of the stem, coated with polycondensable polyester resin.

Sur les dessins :

  • La figure 1 représente une vue en élévation d'une coupe partielle passant par l'axe de symétrie d'un piquet support de filet et notamment par ses extrémités inférieure et supérieure.
  • La figure 2 représente une vue en élévation d'une coupe partielle d'un piquet support de filet passant par l'axe de symétrie de son extrémité supérieure dans une autre version de l'invention.
  • La figure 3 représente une vue en élévation d'une coupe partielle d'une perche de sondage passant par l'axe de symétrie de son extrémité inférieure.
  • La figure 4 représente une vue en élévation d'une perche de sondage passant par son extrémité inférieure dans une autre version de l'invention.
  • In the drawings:
  • Figure 1 shows an elevational view of a partial section passing through the axis of symmetry of a net support post and in particular by its lower and upper ends.
  • 2 shows an elevational view of a partial section of a net support post passing through the axis of symmetry of its upper end in another version of the invention.
  • Figure 3 shows an elevational view of a partial section of a survey pole passing through the axis of symmetry of its lower end.
  • FIG. 4 represents an elevation view of a sounding pole passing through its lower end in another version of the invention.
  • L'invention consiste à remplacer le corps principal de piquet 1 (fig.1 et 2) ou le corps principal de perche 2 (fig.3 et 4), constitué initialement d'un tube d'aluminium, par une tige cylindrique de révolution obtenue par pulltrusion, composée de fils de verre d'un seul tenant sur toute la longueur de la tige, qui sont enduits de préférence de résine de polyester polycondensable. Cette tige se présente sous forme soit de tube à paroi épaisse 3 (fig.3) soit de jonc 4 (fig.1) en fonction des caractéristiques recherchées ; le tube à paroi épaisse 3, est utilisé de préférence pour les perches sondage tandis que les joncs 4 sont utilisés de préférence pour réaliser les piquets supports de filets ; la tige cylindrique utilisée a un diamètre extérieur qui est de l'ordre de quinze à vingt millimètres et lorsqu'elle est formée d'un tube à paroi épaisse 3, l'épaisseur de la paroi est de l'ordre de quinze à vingt pour cent du diamètre extérieur du tube à paroi épaisse 3. Dans ce qui suit on va d'abord en déduire les conséquences dans la conception d'un piquet support de filet 5 (fig.1 et 2) puis on fait la même chose pour une perche de sondage 6 (fig.3 et 4).The invention consists in replacing the main body of stake 1 (fig. 1 and 2) or the main pole body 2 (fig. 3 and 4), initially made of an aluminum tube, by a cylindrical rod of revolution obtained by pulltrusion, composed of glass threads in one piece on the entire length of the rod, which are preferably coated polycondensable polyester resin. This rod is present in the form of either a thick-walled tube 3 (fig. 3) either rod 4 (fig. 1) depending on the characteristics wanted; the thick-walled tube 3 is used to preference for survey poles while rods 4 are preferably used to make the stakes net holders; the cylindrical rod used has a outer diameter which is of the order of fifteen to twenty millimeters and when formed from a wall tube thick 3, the wall thickness is around fifteen to twenty percent of the outside diameter of the thick walled tube 3. In what follows we will first deduce the consequences in the design of a net support stake 5 (fig. 1 and 2) then we do the same for a survey pole 6 (fig. 3 and 4).

    En ce qui concerne le piquet support de filet 5 on utilise pour réaliser le corps principal de piquet 1 de préférence un jonc d'un diamètre plutôt de l'ordre de vingt millimètres allant d'un mètre cinquante à deux mètres et plutôt de l'ordre de quinze millimètres pour des piquets supports de filets de longueur de l'ordre du mètre ; en effet, on peut courber moyennant un effort raisonnable un jonc de deux mètres jusqu'à ce que ses extrémités forment un angle de quatre vingt dix degrés et sans qu'il y ait de dégradation du jonc, ce dernier retrouvant sa forme linéaire initiale immédiatement. En revanche, l'effort nécessaire pour faire la même chose avec un jonc d'un mètre et vingt millimètres de diamètre demande des efforts beaucoup plus importants qui peuvent provoquer la dégradation du jonc tandis qu'en utilisant un jonc d'un diamètre plus faible, qui peut être de l'ordre de quinze millimètres, on retrouve à échelle plus réduite, les mêmes caractéristiques que celles du jonc de deux mètres et vingt millimètres de diamètre. L'extrémité inférieure de piquet 7 (fig.1) est composée d'une pointe 8 qui est généralement conique et qui est à sa base d'un diamètre supérieur à celui du corps principal de piquet 1 ; elle est prolongée par un manchon cylindrique inférieur 9 de révolution d'une longueur de l'ordre de deux à cinq centimètres et dont le diamètre intérieur est ajusté au diamètre extérieur du corps principal de piquet 1 ; le corps principal de piquet 1 est fixé dans le manchon cylindrique inférieur 9 par collage, qui peut être par exemple de la colle polyuréthane et un verrouillage peut assurer l'assemblage ; il peut être réalisé par une goupille 10 traversant diamétralement l'ensemble du corps principal de piquet 1 et du manchon cylindrique inférieur 9. Le diamètre du manchon cylindrique inférieur 9 étant supérieur à celui du corps principal de piquet 1, il agit comme une retenue dans le sol au niveau de la pointe 8 tandis que le corps principal de piquet lui-même dispose dans sa partie enterrée d'un certain degré de liberté qui est favorable à sa capacité de déformation élastique. L'extrémité supérieure de piquet 11 est simplifiée par rapport à celle du piquet support de filet en aluminium et notamment il n'est plus indispensable d'utiliser des colliers susceptibles de glisser le long du corps principal du piquet support de filet ainsi que des anneaux brisés puisque c'est le corps principal qui absorbe les efforts ; en conséquence, l'extrémité supérieure de piquet 11 est constituée d'une tête à frapper 12 d'un diamètre supérieur au diamètre du corps principal de piquet 1 reliée par une partie cylindrique intermédiaire 13 à un manchon cylindrique supérieur 14 de révolution d'une longueur de l'ordre de deux à cinq centimètres et dont le diamètre intérieur est ajusté au diamètre du corps principal de piquet 1 ; le corps principal de piquet 1 est fixé dans le manchon cylindrique supérieur 14 par collage, qui peut être, par exemple, de la colle polyuréthane et un verrouillage peut assurer l'assemblage ; il peut être réalisé par une goupille 15 traversant diamétralement l'ensemble du corps principal de piquet 1 et du manchon cylindrique supérieur 14 ; les anneaux de fixation des filets sont fixés à des oreillettes 16 (fig.2) solidaires du manchon cylindrique supérieure 14 et/ou à des anneaux de fixation 17 (fig.1) articulés dans des trous 18 traversant diamétralement la partie cylindrique intermédiaire 13. Les pièces en aluminium placées aux extrémités inférieure 7 et supérieure 11 peuvent être réalisées principalement en aluminium moulé. En ce qui concerne les perches de sondage elles sont de préférence constituées d'un corps principal de perche 2 constitué d'un tube à paroi épaisse 3 (fig.3) d'un diamètre de l'ordre de quinze millimètres avec une épaisseur de paroi de l'ordre de deux millimètres et demi ; une première extrémité inférieure de perche 19 comporte une pointe formée d'une première face arrondie 20 convexe, reliée à une première surface latérale 21 en forme de cylindre de révolution de faible hauteur et de diamètre légèrement supérieur au diamètre du corps principal de perche 2 qui peut être de l'ordre de un à deux millimètres ; cette dernière est elle-même reliée à une deuxième surface arrondie 22 orientée en opposition par rapport à la première face arrondie 20 ; ces trois surfaces 20,21 et 22 ayant un axe de symétrie 23 commun ; la deuxième surface arrondie 22 comporte dans sa partie centrale une première tige cylindrique 24 de révolution de quelques centimètres de long et de diamètre sensiblement égal au diamètre intérieur du tube à paroi épaisse 3 ; la première tige cylindrique 24 est reliée à un premier épaulement annulaire 25 dont le diamètre extérieur est le diamètre extérieur du tube à paroi épaisse 3. La première tige cylindrique 24 sert à la fixation de la première extrémité inférieure de perche 19 dans le corps principal de perche 2 ; elle est introduite dans l'extrémité du tube à paroi épaisse 3 et elle y est collée par une colle qui peut être une colle polyuréthane ; dans une variante de l'invention, la première tige cylindrique 24 comporte à intervalles réguliers des gorges annulaires 26 qui facilitent la fixation par collage de la première tige cylindrique 24 en assurant une meilleure répartition de la colle ; dans une autre variante de l'invention, l'assemblage est verrouillé par une goupille traversant l'extrémité inférieure du corps principal de perche 2 et la première tige cylindrique 24. La forme de la première extrémité inférieure de perche 19 permet de réaliser un trou plus large que le diamètre du corps principal de perche 2 ce qui facilite le coulissement de la perche de sondage 6 à l'enfoncement et au retrait ; la deuxième surface arrondie 22 présente, au niveau de sa jonction avec le corps principal de perche 2, une rampe qui permet, lorsqu'on retire la perche de sondage 6 de son trou, une évacuation régulière de la neige.Regarding the net support post 5 on used to make the main stake body 1 of preferably a rod with a diameter rather of the order of twenty millimeters ranging from one meter fifty to two meters and rather of the order of fifteen millimeters for stakes thread supports of the order of a meter; in indeed, one can bend with a reasonable effort a two-meter rod until its ends form a angle of ninety degrees and without there being degradation of the rod, the latter regaining its linear form initial immediately. However, the effort required to do the same with a one and twenty meter rod millimeters in diameter requires much more effort important which can cause the degradation of the rod while using a smaller diameter rod, which can be of the order of fifteen millimeters, we find at smaller scale, the same characteristics as those rod two meters and twenty millimeters in diameter. The lower end of stake 7 (fig. 1) is made up of a tip 8 which is generally conical and which is at its base larger in diameter than the main stake body 1; it is extended by a lower cylindrical sleeve 9 of revolution of a length of the order of two to five centimeters and whose internal diameter is adjusted to outside diameter of the main stake body 1; the body main stake 1 is fixed in the cylindrical sleeve lower 9 by gluing, which can be for example of the polyurethane glue and a lock can ensure assembly; it can be made with a pin 10 crossing diametrically the entire main body of stake 1 and the lower cylindrical sleeve 9. The diameter of the lower cylindrical sleeve 9 being greater than that of the main body of stake 1, it acts as a restraint in the ground at the point 8 while the main body the stake itself has in its buried part a certain degree of freedom which is favorable to his ability to elastic deformation. The upper end of the stake 11 is simplified compared to that of the net support stake aluminum and in particular it is no longer essential use necklaces that could slide along the main body of the net support post as well as broken rings since it is the main body that absorbs the efforts ; as a result the upper end of stake 11 consists of a striking head 12 of a diameter greater than the diameter of the main stake body 1 connected by an intermediate cylindrical part 13 to a cylindrical upper sleeve 14 of revolution of a length of the order of two to five centimeters and whose diameter interior is adjusted to the diameter of the main stake body 1; the main stake body 1 is fixed in the sleeve upper cylindrical 14 by gluing, which can be, by example, polyurethane glue and a lock can ensure assembly; it can be made by a pin 15 crossing diametrically the entire main body of stake 1 and upper cylindrical sleeve 14; rings attachment nets are attached to ear cups 16 (fig. 2) integral with the upper cylindrical sleeve 14 and / or to fixing rings 17 (fig. 1) articulated in holes 18 passing diametrically through the cylindrical part intermediate 13. The aluminum parts placed at lower 7 and upper 11 ends can be mainly made of cast aluminum. In what concerns the survey poles they are preferably consisting of a main pole body 2 consisting of a thick-walled tube 3 (fig. 3) with a diameter of the order of fifteen millimeters with a wall thickness of the order of two and a half millimeters; a first lower end pole 19 has a tip formed of a first face rounded 20 convex, connected to a first lateral surface 21 in the shape of a cylinder of revolution of low height and diameter slightly greater than the diameter of the main body perch 2 which can be of the order of one to two millimeters; the latter is itself connected to a second rounded surface 22 oriented in opposition by relative to the first rounded face 20; these three surfaces 20, 21 and 22 having a common axis of symmetry 23; the second rounded surface 22 has in its central part a first cylindrical rod 24 of revolution of a few centimeters long and of diameter substantially equal to inner diameter of the thick-walled tube 3; the first one cylindrical rod 24 is connected to a first shoulder annular 25 whose outside diameter is the diameter outside of the thick-walled tube 3. The first rod cylindrical 24 is used to fix the first end lower pole 19 in the main body of pole 2; it is inserted into the end of the thick-walled tube 3 and it is glued to it by an adhesive which can be an adhesive polyurethane; in a variant of the invention, the first cylindrical rod 24 has at regular intervals annular grooves 26 which facilitate fixing by gluing of the first cylindrical rod 24 ensuring better glue distribution; in another variant of the invention, the assembly is locked by a pin crossing the lower end of the main body of pole 2 and the first cylindrical rod 24. The shape of the first lower end of pole 19 makes it possible to produce a hole wider than the diameter of the main body of pole 2 which facilitates the sliding of the pole survey 6 on insertion and withdrawal; the second surface rounded 22 has, at its junction with the body main pole 2, a ramp which allows, when removing sounding pole 6 from its hole, regular evacuation snow.

    Dans une variante de l'invention, dans le but de faciliter l'enfoncement de la perche de sondage 6, une deuxième extrémité inférieure de perche 27 (fig.4) est formée de deux éléments semblables à celui que l'on vient de décrire qui sont placés en série sur le même axe de révolution : la deuxième extrémité inférieure de perche 27 comporte une troisième surface arrondie 28 convexe, de forme semblable à celle de la première surface arrondie 20 convexe, limitée extérieurement comme précédemment par une deuxième surface latérale 29 cylindrique de révolution de faible hauteur d'un diamètre de préférence identique au diamètre de la première surface latérale 21 ; cette surface latérale 29 limite extérieurement une quatrième surface arrondie convexe 30, qui est en opposition par rapport à la troisième surface arrondie 28, qui se raccorde intérieurement sur une troisième surface latérale 31 cylindrique de faible hauteur d'un diamètre sensiblement égal au diamètre intérieur du corps principal de perche 2 ; l'autre extrémité de la troisième surface latérale 31 limite intérieurement une cinquième surface arrondie 32 convexe limitée extérieurement par une quatrième surface latérale 33 cylindrique de révolution de faible hauteur et d'un diamètre légèrement supérieur à celui de la deuxième surface latérale 29; enfin une sixième surface arrondie 34 convexe en opposition avec la cinquième surface arrondie 32 convexe est reliée à une deuxième tige cylindrique, pouvant comporter des gorges annulaires et un deuxième épaulement identiques à la première tige cylindrique 24 et au premier épaulement 25 précédemment décrits. Si la perche de sondage 6 est en plusieurs segments la liaison entre les segments est réalisée comme pour les perches de sondage en aluminium avec des embouts mâle et femelle vissés entre eux. Lorsque le corps principal de perche 6 a un diamètre de quinze millimètres, la deuxième surface latérale 29 a un diamètre de quinze millimètres et la quatrième surface latérale 33 a un diamètre de seize millimètres.In a variant of the invention, with the aim of facilitate the insertion of the sounding pole 6, a second lower end of pole 27 (fig. 4) is formed of two elements similar to the one just described which are placed in series on the same axis of revolution: the second lower end of pole 27 has a third rounded surface 28 convex, similar in shape to that of the first rounded convex surface 20, limited externally as before by a second surface lateral 29 cylindrical of revolution of low height of a diameter preferably identical to the diameter of the first lateral surface 21; this lateral surface 29 limits externally a fourth convex rounded surface 30, which is in opposition to the third rounded surface 28, which is connected internally on a third surface lateral 31 cylindrical low height with a diameter substantially equal to the inside diameter of the main body of pole 2; the other end of the third side surface 31 internally limits a fifth rounded surface 32 convex externally bounded by a fourth surface lateral 33 cylindrical of revolution of low height and slightly larger in diameter than the second lateral surface 29; finally a sixth rounded surface 34 convex in opposition to the fifth rounded surface 32 convex is connected to a second cylindrical rod, which can have annular grooves and a second shoulder identical to the first cylindrical rod 24 and to the first shoulder 25 previously described. If the survey pole 6 is in several segments the link between the segments is made as for the aluminum survey poles with male and female end caps screwed together. When the main body of pole 6 has a diameter of fifteen millimeters, the second lateral surface 29 has a diameter of fifteen millimeters and the fourth lateral surface 33 has a diameter of sixteen millimeters.

    Dans ce qui précède, la description concerne l'emploi de fibres de verre pour la fabrication des joncs et des tubes à paroi épaisse destinés à réaliser des piquets et des perches de sondage ; il est évident que les fils de verre peuvent être remplacés par tous fils synthétiques d'origine minérale ou organique telle que la fibre de carbone dont l'amplitude du domaine de déformation élastique par étirage est sensiblement celui des fils de verre ainsi les niveaux d'effort correspondants. Pour compenser les écarts de résistance à la déformation élastique constatés, il est possible de changer les diamètres et épaisseurs de tube ou le diamètre des joncs afin de solliciter plus ou moins, au niveau de leur étirage élastique, les fils synthétiques qui les composent en fonction du résultat recherché.In the foregoing, the description relates to the use of glass fibers for the production of rods and tubes thick wall intended to make stakes and poles survey; it is obvious that glass threads can be replaced by all synthetic yarns of mineral origin or organic such as carbon fiber whose amplitude of the area of elastic deformation by stretching is substantially that of the glass strands so the levels corresponding effort. To compensate for differences in resistance to elastic deformation observed, it is possible to change the diameters and thicknesses of the tube or the diameter of the rods in order to apply more or less, at level of their elastic stretch, the synthetic threads that compose them according to the desired result.

    Claims (10)

    Piquet support de filet dont le corps principal est constitué d'une tige cylindrique de révolution, qui est enfoncé dans le sol par une extrémité inférieure constituée d'une pointe et comportant une extrémité supérieure formant une tête à frapper et des anneaux d'accrochage de filets, caractérisé en ce que le corps principal de piquet (1) du piquet support de filet (5) est constitué par une tige cylindrique de révolution composée de fils de verre, ou de tout autres fils synthétiques minéraux ou organiques ayant des performances élastiques semblables à celle du verre et notamment des fils de carbone, d'un seul tenant sur toute la longueur de la tige et enduits de résine de polyester polycondensable 1, ladite tige se présentant sous la forme soit de tube à paroi épaisse (3) soit de jonc (4).Net support stake with main body consisting of a cylindrical rod of revolution, which is driven into the ground by a lower end made up of a point and having an upper end forming a hammer head and thread attachment rings, characterized in that the main stake body (1) of the net support post (5) consists of a rod cylindrical of revolution composed of glass threads, or any other synthetic mineral or organic yarn having elastic performance similar to that of glass and including carbon threads, in one piece over the entire rod length and coated with polyester resin polycondensable 1, said rod being in the form either thick-walled tube (3) or rod (4). Piquet selon la revendication 1, caractérisé en ce que la pointe (8) de l'extrémité inférieure de piquet (1) est un cône, dont la base a un diamètre supérieur à celui du corps principal de piquet (1), prolongé par un manchon cylindrique inférieur (9) dont le diamètre intérieur est ajusté au diamètre extérieur du corps principal de piquet (1) qui est fixé dans le manchon cylindrique inférieur (9) par collage et verrouillage par une goupille (10) traversant diamétralement l'ensemble du corps principal de piquet (1) et du manchon cylindrique inférieur (9).Post according to claim 1, characterized in that the tip (8) of the lower stake end (1) is a cone, the base of which has a diameter greater than that of the body main stake (1), extended by a cylindrical sleeve lower (9) whose internal diameter is adjusted to outside diameter of the main stake body (1) which is fixed in the lower cylindrical sleeve (9) by gluing and locking by a pin (10) passing diametrically the whole of the main stake body (1) and the sleeve lower cylindrical (9). Piquet selon la revendication 1, caractérisé en ce que l'extrémité supérieure (11) de piquet (1) est constituée d'une tête à frapper (12) d'un diamètre supérieur au diamètre du corps principal de piquet (1) relié par une partie cylindrique intermédiaire (13) à un manchon cylindrique supérieur (14) ajusté au diamètre du corps principal de piquet (1) fixé dans le manchon cylindrique supérieur (14) et verrouillé par une goupille (15) traversant diamétralement l'ensemble du corps principal de piquet (1) et du manchon cylindrique supérieur (14), les anneaux de fixation des filets étant fixés à des oreillettes (16) et/ou à des anneaux de fixation (17) articulés dans des trous (18) traversant diamétralement la partie cylindrique intermédiaire (13).Post according to claim 1, characterized in that the upper end (11) of stake (1) is constituted a striking head (12) with a diameter greater than the diameter of the main stake body (1) connected by a part cylindrical intermediate (13) to a cylindrical sleeve upper (14) adjusted to the diameter of the main body of stake (1) fixed in the upper cylindrical sleeve (14) and locked by a pin (15) passing diametrically the whole of the main stake body (1) and the sleeve cylindrical upper (14), the fixing rings of the nets being attached to ear flaps (16) and / or to rings fixing (17) articulated in holes (18) through diametrically the intermediate cylindrical part (13). Piquet selon l'une quelconque des revendications 2 et 3, caractérisé en ce que l'extrémité supérieure (11) et l'extrémité inférieure (7)de piquet (1) sont des pièces en aluminium réalisées en aluminium moulé.Post according to any one of claims 2 and 3, characterized in that the upper end (11) and the lower end (7) of stake (1) are pieces in aluminum made of cast aluminum. Perche de sondage dont le corps principal de perche est une tige cylindrique de révolution d'un seul tenant ou comprenant plusieurs segments assemblés bout à bout, caractérisé en ce que le corps principal de perche (2) de la perche de sondage (6) est constitué par une tige cylindrique de révolution composée de fils de verre, ou de tous autres fils synthétiques, minéraux ou organiques ayant des performances élastiques semblables à celle du verre et notamment des fils de carbone, d'un seul tenant sur toute la longueur de la tige, enduits de résine de polyester polycondensable qui se présente sous forme de tube à paroi épaisse (3) comportant à son extrémité inférieure une demi-boule terminée par une base cylindrique pénétrant dans le tube avec un épaulement d'un diamètre égal au diamètre extérieur du tube ou d'un jonc (4).Polling pole including the main pole body is a cylindrical rod of revolution in one piece or comprising several segments assembled end to end, characterized in that the main pole body (2) of the sounding pole (6) consists of a cylindrical rod of revolution composed of glass threads, or any other synthetic, mineral or organic yarns having elastic performance similar to that of glass and including carbon threads, in one piece over the entire rod length, coated with polyester resin polycondensable which is in the form of a wall tube thick (3) with a half-ball at its lower end terminated by a cylindrical base entering the tube with a shoulder with a diameter equal to the diameter outside of the tube or a rod (4). Perche suivant la revendication 5, caractérisée en ce que l'extrémité inférieure (19) de perche (6) comporte une pointe formée d'une première face arrondie (20) convexe, reliée à une surface latérale (21), de diamètre légèrement supérieur au diamètre du corps principal de perche (2), elle-même reliée à une surface arrondie (22) qui comporte dans sa partie centrale une tige cylindrique (24), de diamètre sensiblement égal au diamètre intérieur du tube à paroi épaisse (3), reliée à un épaulement annulaire (25) dont le diamètre extérieur est le diamètre extérieur du tube à paroi épaisse (3).Pole according to claim 5, characterized in that that the lower end (19) of the pole (6) has a point formed by a first rounded convex face (20), connected to a lateral surface (21), of slightly diameter greater than the diameter of the main pole body (2), itself connected to a rounded surface (22) which comprises in its central part a cylindrical rod (24), of diameter substantially equal to the inside diameter of the wall tube thick (3), connected to an annular shoulder (25) whose outside diameter is the outside diameter of the wall tube thick (3). Perche suivant la revendication 5, caractérisée en ce que l'extrémité inférieure (27)de perche (6) comporte une première surface arrondie (28) convexe, limitée extérieurement par une première surface latérale (29) limitant extérieurement une deuxième surface arrondie convexe (30) raccordée intérieurement sur une deuxième surface latérale (31) limitant intérieurement une troisième surface arrondie (32) convexe à son tour limitée extérieurement par une troisième surface latérale (33) qui limite enfin extérieurement une quatrième surface arrondie (34) reliée à une tige cylindrique et un épaulement. Pole according to claim 5, characterized in that that the lower end (27) of the pole (6) has a first rounded (28) convex, limited surface externally by a first lateral surface (29) externally limiting a second convex rounded surface (30) internally connected on a second surface lateral (31) internally limiting a third surface rounded (32) convex in turn limited externally by a third lateral surface (33) which finally limits externally a fourth rounded surface (34) connected to a cylindrical rod and a shoulder. Perche suivant la revendication 6 ou 7, caractérisée en ce que la tige cylindrique (24) comporte à intervalles réguliers des gorges annulaires (26).Pole according to claim 6 or 7, characterized in that the cylindrical rod (24) has at intervals regular annular grooves (26). Perche suivant la revendication 6 ou 7, caractérisée en ce qu'une goupille traverse l'extrémité inférieure du corps principal de perche (2) et la tige cylindrique (24).Pole according to claim 6 or 7, characterized in that a pin passes through the lower end of the main pole body (2) and the cylindrical rod (24). Perche suivant la revendication 7, caractérisée en ce que la première surface latérale (29) a un diamètre sensiblement égal au diamètre extérieur du corps principal de perche (2) tandis que la troisième surface latérale (33) a un diamètre supérieur à celui du corps principal de perche (2).Pole according to claim 7, characterized in that that the first lateral surface (29) has a diameter substantially equal to the outside diameter of the main body of pole (2) while the third lateral surface (33) has a diameter greater than that of the main pole body (2).
    EP00420019A 1999-02-10 2000-02-01 Net supporting pole and snow probing rod Revoked EP1027909B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR9902251A FR2789472B1 (en) 1999-02-10 1999-02-10 DEVICES FOR IMPROVING NET SUPPORT STAKES AND SNOW SURVEYING POLE
    FR9902251 1999-02-10

    Publications (2)

    Publication Number Publication Date
    EP1027909A1 true EP1027909A1 (en) 2000-08-16
    EP1027909B1 EP1027909B1 (en) 2005-07-27

    Family

    ID=9542435

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP00420019A Revoked EP1027909B1 (en) 1999-02-10 2000-02-01 Net supporting pole and snow probing rod

    Country Status (5)

    Country Link
    EP (1) EP1027909B1 (en)
    AT (1) ATE300338T1 (en)
    DE (1) DE60021444D1 (en)
    ES (1) ES2245298T3 (en)
    FR (1) FR2789472B1 (en)

    Cited By (1)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    WO2010103205A1 (en) 2009-03-13 2010-09-16 Antoine Costa Net carrying post for marking a playing area such as a ski slope

    Citations (8)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    FR2029174A5 (en) * 1969-01-14 1970-10-16 Favre Bernard
    GB1402481A (en) * 1973-01-16 1975-08-06 Loch G N Plastics fence post
    DE2701283A1 (en) * 1977-01-13 1978-07-20 Moeller & Co Metallwaren Plastics posts for the laying-out of ski runs - made of resin-modified, foamed, unplasticised, PVC
    DE3316790A1 (en) * 1983-05-07 1984-11-08 Felten & Guilleaume Energietechnik GmbH, 5000 Köln Electrical fence mounting made of plastic
    FR2555064A1 (en) * 1983-11-18 1985-05-24 Ims Kunststoff Gmbh TILTING POLE FOR SLALOM COURSES
    FR2560267A1 (en) * 1984-02-29 1985-08-30 Royer Bernard Improvement to training apparatus and fences (Production of equipment and use).
    FR2584933A1 (en) * 1985-07-19 1987-01-23 Cencig Bertrand Dismantlable avalanche probe
    AT400815B (en) * 1993-12-22 1996-03-25 Berger Johann Protective device, preferably for limiting or safeguarding a ski piste

    Patent Citations (8)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    FR2029174A5 (en) * 1969-01-14 1970-10-16 Favre Bernard
    GB1402481A (en) * 1973-01-16 1975-08-06 Loch G N Plastics fence post
    DE2701283A1 (en) * 1977-01-13 1978-07-20 Moeller & Co Metallwaren Plastics posts for the laying-out of ski runs - made of resin-modified, foamed, unplasticised, PVC
    DE3316790A1 (en) * 1983-05-07 1984-11-08 Felten & Guilleaume Energietechnik GmbH, 5000 Köln Electrical fence mounting made of plastic
    FR2555064A1 (en) * 1983-11-18 1985-05-24 Ims Kunststoff Gmbh TILTING POLE FOR SLALOM COURSES
    FR2560267A1 (en) * 1984-02-29 1985-08-30 Royer Bernard Improvement to training apparatus and fences (Production of equipment and use).
    FR2584933A1 (en) * 1985-07-19 1987-01-23 Cencig Bertrand Dismantlable avalanche probe
    AT400815B (en) * 1993-12-22 1996-03-25 Berger Johann Protective device, preferably for limiting or safeguarding a ski piste

    Cited By (1)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    WO2010103205A1 (en) 2009-03-13 2010-09-16 Antoine Costa Net carrying post for marking a playing area such as a ski slope

    Also Published As

    Publication number Publication date
    DE60021444D1 (en) 2005-09-01
    EP1027909B1 (en) 2005-07-27
    FR2789472A1 (en) 2000-08-11
    ATE300338T1 (en) 2005-08-15
    FR2789472B1 (en) 2001-03-02
    ES2245298T3 (en) 2006-01-01

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