EP0004820B1 - Anchor for fixing posts or stakes in the earth and method and device for driving-in the anchor - Google Patents

Anchor for fixing posts or stakes in the earth and method and device for driving-in the anchor Download PDF

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Publication number
EP0004820B1
EP0004820B1 EP79400226A EP79400226A EP0004820B1 EP 0004820 B1 EP0004820 B1 EP 0004820B1 EP 79400226 A EP79400226 A EP 79400226A EP 79400226 A EP79400226 A EP 79400226A EP 0004820 B1 EP0004820 B1 EP 0004820B1
Authority
EP
European Patent Office
Prior art keywords
peg
ground
anchor
sheath
post
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP79400226A
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German (de)
French (fr)
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EP0004820A3 (en
EP0004820A2 (en
Inventor
Paul Moraly
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Individual
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Individual
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Publication date
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Publication of EP0004820A2 publication Critical patent/EP0004820A2/en
Publication of EP0004820A3 publication Critical patent/EP0004820A3/en
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Publication of EP0004820B1 publication Critical patent/EP0004820B1/en
Expired legal-status Critical Current

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Classifications

    • 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
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/22—Sockets or holders for poles or posts
    • E04H12/2207—Sockets or holders for poles or posts not used
    • E04H12/2215—Sockets or holders for poles or posts not used driven into the ground
    • 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
    • E04H17/26—Devices for erecting or removing fences
    • E04H17/261—Devices for erecting or removing fences for post and wire handling
    • E04H17/263—Devices for erecting or removing fences for post and wire handling for erecting posts

Definitions

  • the invention relates to the fixing in the ground of posts or stakes, more particularly, but not exclusively, for the purpose of producing fences.
  • Fence posts made of iron or concrete, are traditionally placed in the center of a hole, pressed slightly to keep them plumb and surrounded by a die of poured concrete, which is packed so that its surface is a little below ground level. When the concrete is set, it is leveled with soil.
  • such an ankle comprises fins capable of being driven into the ground to form an anchor and arranged around a central passage allowing the relative sliding of the stake and the ankle.
  • These fins are constituted by a plate suitably folded and profiled at its base and the passage consists of a puncture made in the folding zone.
  • the punctured does not ensure the rigidity of the dowel if the latter is made of thin sheet metal and it only provides insufficient guiding of the dowel, which can be placed in relation to the stake when 'we strengthen it.
  • the soil can even penetrate into the puncture and become interposed between the ankle and the post, which deviates the ankle from its correct position.
  • anchor or anchor bushings described for example in FR-A-2 290 552, FR-A-1 541 756, NL-A-6 602 297, either do not allow a correct anchoring installation, or have a correct acrage manufacturing cost, or have a high manufacturing cost.
  • this dowel eliminates these drawbacks and allows quick and easy installation of posts or stakes of any size, thanks to the use of an inexpensive manufacturing pin.
  • this dowel consists of two metal plates (1-2) zigzag shaped, each forming a single fin and having a folded edge resting on another plate, said plates being offset between them so as to delimit a central parallelepipedal space (3) which constitutes said passage and assembled by welding.
  • the dowel consists of two metal plates, one edge of which is folded several times at 90 °, the folded edge of one of the plates being fitted into the identical folded edge of the other plate to form a sheath constituting said elongated passage (Fig. 5).
  • the invention also relates to a method of fixing a pole or a stake using such a dowel and a driving and guiding tool used for the implementation of this method.
  • FIGS 1 to 3 there are shown two parallel metal plates 1 and 2, each provided with an edge folded twice at right angles, 11 and 21 respectively.
  • Each folded edge is welded to the surface of the other plate, and the arrangement is such that the plates delimit a central parallelepipedal space 3.
  • This space constitutes a sheath whose dimensions are very slightly greater than the outer sides of the section of a P-post to fix. It can be seen, moreover, that the lower edge of each plate has a cut corner, which has the effect of driving out small and medium pebbles during insertion and of facilitating the latter.
  • a post constituted by a T-shaped section iron of 40 x 40 mm one could use a peg 50 cm high inscribing in a circle 50 cm in diameter, and forming a sheath of 41 mm side.
  • the variant of Figure 4 differs from the embodiment of Figures 1 to 3 only in that the outer edges of the two plates 12-13 are folded twice, like the inner edges. This shape facilitates cutting without falling from a strip of sheet metal. It will be noted that the shovel-shaped shape of the embodiments of FIGS. 1 to 4, results in a particularly economical embodiment, very rigid when inserted and with easy stacking.
  • Figure 6 illustrates the driving operation.
  • the pin C shown very schematically, is placed on the ground.
  • a false stake 15 is introduced into the ankle sheath over a length slightly greater than the height h of the ankle, so as to penetrate slightly into the ground.
  • a metal sleeve 16 which slides on the rod 15; when the pin has been fully inserted into the ground (position shown in dotted lines), the false stake is removed and the post is inserted into the sheath.
  • the insertion of the ankle by a false stake preserves the coating of the real stake.
  • the post is held in place by the wires of the fence or a light crimping at the top of the sheath and thanks to the penetration of its base into the ground beyond the ankle.
  • the floor remains intact and clean.
  • the sleeve 16 is provided with handles 161 which allow it to be maneuvered.
  • the washer 17 has an upper surface 171 which supports the shocks of the sleeve 16, and a lower surface having a peripheral part 172 which bears on the ankle and a hollow central part 173.
  • the part 172 preserves the ankle from possible crushing, while the hollow 173 preserves the sheath of the ankle from a crimping which would prevent the subsequent positioning of the post or stake.
  • the lower part 151 of the rod by being introduced into said sheath, prevents the earth from entering it and facilitates the guiding of the pin.
  • the upper part of the rod of the false stake is truncated and is not provided with a driving sleeve. It is reduced to a head 1 5a intended for the engagement of the piston P of a hydraulic cylinder V, or of any other mechanical driving device.
  • pins which have just been described can be produced in order to receive poles or stakes of any size, section and nature, and include plates or fins in different numbers or in different shapes.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Piles And Underground Anchors (AREA)

Description

L'invention se rapporte à la fixation dans le sol de poteaux ou de piquets, plus particulièrement, mais non exclusivement, en vue de la réalisation de clôtures.The invention relates to the fixing in the ground of posts or stakes, more particularly, but not exclusively, for the purpose of producing fences.

Les poteaux de clôture, en fer ou en béton, sont traditionnellement mis en place au centre d'un trou, enfoncés légèrement pour les faire tenir à l'aplomb et entourés d'une dé de béton coulé, que l'on tasse pour que sa surface se trouve un peu en-dessous du niveau du sol. Lorsque le béton est pris, on nivelle avec de la terre.Fence posts, made of iron or concrete, are traditionally placed in the center of a hole, pressed slightly to keep them plumb and surrounded by a die of poured concrete, which is packed so that its surface is a little below ground level. When the concrete is set, it is leveled with soil.

Compte tenu des inconvénients et du coût de mise en oeuvre de ce procédé traditionnel, on a proposé d'ancrer les piquets dans le sol au moyen de chevilles.Given the drawbacks and the cost of implementing this traditional method, it has been proposed to anchor the stakes in the ground by means of dowels.

Selon le brevet FR-A-209 7389, une telle cheville comporte des ailettes aptes à être enfoncées dans le sol pour constituer un ancrage et disposées autour d'un passage central permettant le coulissement relatif du piquet et de la cheville. Ces ailettes sont constituées par un plaque convenablement pliée et profilée à sa base et le passage est constitué par un crevé réalisé dans la zone de pliage.According to patent FR-A-209 7389, such an ankle comprises fins capable of being driven into the ground to form an anchor and arranged around a central passage allowing the relative sliding of the stake and the ankle. These fins are constituted by a plate suitably folded and profiled at its base and the passage consists of a puncture made in the folding zone.

Cette solution présente divers inconvénients: le crevé n'assure pas la rigidité de la cheville si celle-ci est constituée en tôle mince et il ne procure qu'un guidage insuffisant de la cheville, qui peut se mettre en travers par rapport au piquet lorsqu'on l'enforce. La terre peut même pénétrer dans le crevé et s'intercaler entre la cheville et le poteau, ce qui dévie la cheville de sa position correcte.This solution has various drawbacks: the punctured does not ensure the rigidity of the dowel if the latter is made of thin sheet metal and it only provides insufficient guiding of the dowel, which can be placed in relation to the stake when 'we strengthen it. The soil can even penetrate into the puncture and become interposed between the ankle and the post, which deviates the ankle from its correct position.

D'autres types de cheville ou douilles d'ancrage, décrites par exemple dans FR-A-2 290 552, FR-A-1 541 756, NL-A-6 602 297, soit ne permettent pas une pose ancrage correct, soit ont un coût de fabrication acrage correct, soit ont un coût de fabrication élevé.Other types of anchor or anchor bushings, described for example in FR-A-2 290 552, FR-A-1 541 756, NL-A-6 602 297, either do not allow a correct anchoring installation, or have a correct acrage manufacturing cost, or have a high manufacturing cost.

L'invention supprime ces inconvénients et permet la pose facile et rapide de poteaux ou de piquets de taille quelconque, grâce à l'utilisation d'une cheville de fabrication peu onéreuse. Suivant un premier mode d'exécution de l'invention cette cheville est constituée par deux plaques métalliques (1-2) conformées en zig- zag, formant chacune une seule ailette et comportant un bord replié en appui sur une autre plaque, lesdites plaques étant décalées entre elles de façon à délimiter un espace parallélépipédique central (3) qui constitue ledit passage et assemblées par soudure.The invention eliminates these drawbacks and allows quick and easy installation of posts or stakes of any size, thanks to the use of an inexpensive manufacturing pin. According to a first embodiment of the invention, this dowel consists of two metal plates (1-2) zigzag shaped, each forming a single fin and having a folded edge resting on another plate, said plates being offset between them so as to delimit a central parallelepipedal space (3) which constitutes said passage and assembled by welding.

Suivant une variante, la cheville est constituée par deux plaques métalliques dont un bord est replié plusieurs fois à 90°, le bord replié de l'une des plaques étant emboîté dans le bord replié de façon identique de l'autre plaque pour former une gaine constituant ledit passage allongé (Fig. 5).According to a variant, the dowel consists of two metal plates, one edge of which is folded several times at 90 °, the folded edge of one of the plates being fitted into the identical folded edge of the other plate to form a sheath constituting said elongated passage (Fig. 5).

L'invention a encore pour objet un procédé de fixation d'une poteau ou d'un piquet faisant application d'une telle cheville et un outil d'enfoncement et de guidage servant à la mise en oeuvre de ce procédé.The invention also relates to a method of fixing a pole or a stake using such a dowel and a driving and guiding tool used for the implementation of this method.

D'autres particularités, ainsi que les avantages de l'invention apparaîtront clairement à la lumière de la description ci-après:

  • Au dessin annexé:
    • Les figures 1 à 3 représentent, respectivement en perspective, en plan et de profil, une cheville conforme à un mode d'exécution préféré de l'invention;
    • Les figures 4 et 5 représentent deux variantes d'exécution illustrées de profil; à la figure 5, les deux pièces ne sont pas soudées, mais emboîtées l'une dans l'autre pour former la cheville complète;
    • La figure 6 représente un outil manuel d'enfoncement de cette cheville; et
    • La figure 7 représente ou outil destiné à effectuer cette opération en coopération avec un vérin hydraulique ou analogue.
Other particularities, as well as the advantages of the invention will become clear in the light of the description below:
  • In the attached drawing:
    • Figures 1 to 3 show, respectively in perspective, in plan and in profile, a dowel according to a preferred embodiment of the invention;
    • Figures 4 and 5 show two alternative embodiments illustrated in profile; in Figure 5, the two parts are not welded, but fitted into one another to form the complete dowel;
    • FIG. 6 represents a manual tool for driving this pin; and
    • FIG. 7 represents or a tool intended to perform this operation in cooperation with a hydraulic cylinder or the like.

Aux figures 1 à 3 on a représenté deux plaques métalliques parallèles 1 et 2, munies chacune d'un bord replié deux fois à angle droit, 11 et 21 respectivement. Chaque bord replié est soudé sur la surface de l'autre plaque, et la disposition est telle que les plaques délimitent un espace central parallélépipédique 3. Cet espace constitue une gaine dont les dimensions sont très légèrement supérieures aux côtés extérieures de la section d'un poteau P à fixer. On voit, par ailleurs, que le bord inférieur de chaque plaque comporte un coin coupé, qui a pour effet de chasser les cailloux petits et moyens lors de l'enfoncement et de faciliter ce dernier.In Figures 1 to 3 there are shown two parallel metal plates 1 and 2, each provided with an edge folded twice at right angles, 11 and 21 respectively. Each folded edge is welded to the surface of the other plate, and the arrangement is such that the plates delimit a central parallelepipedal space 3. This space constitutes a sheath whose dimensions are very slightly greater than the outer sides of the section of a P-post to fix. It can be seen, moreover, that the lower edge of each plate has a cut corner, which has the effect of driving out small and medium pebbles during insertion and of facilitating the latter.

A titre d'exemple, pour un poteau constitué par un fer de section en T de 40 x 40 mm, on pourra utiliser une cheville de 50 cm de haut d'inscrivant dans un cercle de 50 cm de diamètre, et formant une gaine de 41 mm de côté.By way of example, for a post constituted by a T-shaped section iron of 40 x 40 mm, one could use a peg 50 cm high inscribing in a circle 50 cm in diameter, and forming a sheath of 41 mm side.

La variante de la figure 4 ne diffère du mode d'exécution des figures 1 à 3 que par le fait que les bords extérieurs des deux plaques 12-13 sont repliés deux fois, comme les bords intérieurs. Cette forme facilite le découpage sans chute à partir d'une bande de tôle. On notera que la forme en fer de pelle des modes d'exécution des figures 1 à 4, aboutit à une réalisation particulièrement économique, très rigide à l'enfoncement et avec empilage facile.The variant of Figure 4 differs from the embodiment of Figures 1 to 3 only in that the outer edges of the two plates 12-13 are folded twice, like the inner edges. This shape facilitates cutting without falling from a strip of sheet metal. It will be noted that the shovel-shaped shape of the embodiments of FIGS. 1 to 4, results in a particularly economical embodiment, very rigid when inserted and with easy stacking.

La figure 6 illustre l'opération d'enfoncement. Dans un premier temps, la cheville C, représentée très schématiquement, est posée sur le sol. Dans un second temps, un faux piquet 15 est introduit dans la gaine de la cheville sur une longueur légèrement supérieure à la hauteur h de la cheville, de façon à pénétrer légèrement dans le sol. Dans un troisième temps, on exerce des chocs sur la cheville à l'aide d'un manchon métallique 16 qui coulisse sur la tige 15; lorsque'on a enfoncé complètement la cheville dans le sol (position figurée en pointillé), on retire le faux piquet et on introduit le poteau dans la gaine. L'enfoncement de la cheville par un faux-piquet préserve le revêtement du vrai piquet.Figure 6 illustrates the driving operation. First, the pin C, shown very schematically, is placed on the ground. Secondly, a false stake 15 is introduced into the ankle sheath over a length slightly greater than the height h of the ankle, so as to penetrate slightly into the ground. In a third step, one exerts shocks on the ankle using a metal sleeve 16 which slides on the rod 15; when the pin has been fully inserted into the ground (position shown in dotted lines), the false stake is removed and the post is inserted into the sheath. The insertion of the ankle by a false stake preserves the coating of the real stake.

Le poteau est maintenu en place par les fils de la clôture ou un léger sertissage en haut du fourreau et grâce à la pénétration de sa base dans le sol au-delà de la cheville. Le sol reste intact et propre.The post is held in place by the wires of the fence or a light crimping at the top of the sheath and thanks to the penetration of its base into the ground beyond the ankle. The floor remains intact and clean.

Le manchon 16 est muni et poignées 161 qui permettent sa manoeuvre. La rondelle 17 comporte une surface supérieure 171 qui supporte les chocs du manchon 16, et une surface inférieure ayant une partie périphérique 172 qui prend appui sur la cheville et une partie centrale creuse 173. La partie 172 préserve la cheville d'un éventuel écrasement, tandis que le creux 173 préserve la gaîne de la cheville d'un sertissage qui empêcherait la mise en place ultérieure du poteau ou du piquet. La partie basse 151 de la tige 15, en s'introduisant dans ladite gaîne, empêche la terre d'y pénétrer et facilite le guidage de la cheville.The sleeve 16 is provided with handles 161 which allow it to be maneuvered. The washer 17 has an upper surface 171 which supports the shocks of the sleeve 16, and a lower surface having a peripheral part 172 which bears on the ankle and a hollow central part 173. The part 172 preserves the ankle from possible crushing, while the hollow 173 preserves the sheath of the ankle from a crimping which would prevent the subsequent positioning of the post or stake. The lower part 151 of the rod 15, by being introduced into said sheath, prevents the earth from entering it and facilitates the guiding of the pin.

Dans la variante de la figure 7, la partie haute de la tige du faux piquet est tronquée et n'est pas munie d'un manchon d'enfoncement. Elle se réduit à une tête 1 5a destinée à l'engagement du piston P d'un vérin hydraulique V, ou de tout autre dispositif d'enfoncement mécanique.In the variant of Figure 7, the upper part of the rod of the false stake is truncated and is not provided with a driving sleeve. It is reduced to a head 1 5a intended for the engagement of the piston P of a hydraulic cylinder V, or of any other mechanical driving device.

Bien entendu, les chevilles que l'on vient de décrire peuvent être réalisées en vue de recevoir des poteaux ou des piquets de dimensions, de section et de nature quelconques, et comporter des plaques ou ailettes en nombre différent ou de formes différentes.Of course, the pins which have just been described can be produced in order to receive poles or stakes of any size, section and nature, and include plates or fins in different numbers or in different shapes.

Claims (4)

1. A peg for fixing posts or stakes in the ground, said pegs comprising wings (1-2) shaped to be driven into the ground to form an anchor and located around an elongate central passage (3) wherein the post or stake and the peg can slide, characterized in that it is made ot two zigzag-shaped metal plates (1-2) each forming a single wing and having a bent edge portion bearing on another plate, said plates being shifted with respect to one another so as to provide a parallelepipedic central space (3) forming the said passage, and being welded together.
2. A peg for fixing posts or stakes in the ground, said peg comprising wings (1-2) shaped to be driven into the ground to form an anchor and located around an elongate central passage (3) wherein the post or stake and the peg can slide, characterized in that it is made of two metal plates, one edge portion of which is bent several times at an angle of 90', the bent edge portion of one of the plates being fitted into the likewise-bent edge portion of the other plate so as to form a sheath constituting the said elongate passage.
3. A method for fixing a post or a stake in the ground, using a peg as claimed in claim 1 or 2, characterized in that it consists of: standing said peg device on the ground; introducing a driving and guiding tool (16-15, Fig. 6) into the passage or sheath (3), said tool comprising a rod (15) going through the whole length of the sheath and comprising, at a distance from the bottom end which is at least equal to the height of said peg, a stop member (17) having a lower surface the peripheral part (172) of which is positioned to abut on said wing (1-2) and the central part (173) of which is hollow; exerting pressure on said tool to force said peg into the ground; removing said tool and introducing the post into said sheath.
4. Driving and guiding tool for carrying out the method as claimed in claim 3, characterized by a rod (15, Fig. 6) comprising, at a distance from the bottom end which is at least equal to the height of said peg, a stop member (17) having a lower surface the peripheral part (172) of which bears on said wing (1-2) and the central part (173) of which is hollow.
EP79400226A 1978-04-10 1979-04-06 Anchor for fixing posts or stakes in the earth and method and device for driving-in the anchor Expired EP0004820B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7811279 1978-04-10
FR7811279A FR2422793A1 (en) 1978-04-10 1978-04-10 ANCHOR INTENDED FOR FIXING IN THE GROUND POSTS OR STAKES AND DEVICE SERVING THE PRESSURE OF THIS ANCHOR

Publications (3)

Publication Number Publication Date
EP0004820A2 EP0004820A2 (en) 1979-10-17
EP0004820A3 EP0004820A3 (en) 1979-11-28
EP0004820B1 true EP0004820B1 (en) 1983-11-09

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Application Number Title Priority Date Filing Date
EP79400226A Expired EP0004820B1 (en) 1978-04-10 1979-04-06 Anchor for fixing posts or stakes in the earth and method and device for driving-in the anchor

Country Status (6)

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US (1) US4252472A (en)
EP (1) EP0004820B1 (en)
AT (1) AT369481B (en)
DE (1) DE2966384D1 (en)
ES (1) ES479486A1 (en)
FR (1) FR2422793A1 (en)

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Also Published As

Publication number Publication date
FR2422793A1 (en) 1979-11-09
AT369481B (en) 1983-01-10
EP0004820A3 (en) 1979-11-28
ATA268579A (en) 1982-05-15
DE2966384D1 (en) 1983-12-15
FR2422793B1 (en) 1982-07-23
US4252472A (en) 1981-02-24
EP0004820A2 (en) 1979-10-17
ES479486A1 (en) 1980-01-01

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