EP1879791B1 - Device for fastening rigging elements, and mast equipped with same - Google Patents

Device for fastening rigging elements, and mast equipped with same Download PDF

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Publication number
EP1879791B1
EP1879791B1 EP05822976A EP05822976A EP1879791B1 EP 1879791 B1 EP1879791 B1 EP 1879791B1 EP 05822976 A EP05822976 A EP 05822976A EP 05822976 A EP05822976 A EP 05822976A EP 1879791 B1 EP1879791 B1 EP 1879791B1
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EP
European Patent Office
Prior art keywords
mast
fastening
skirt
opening
projections
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EP05822976A
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German (de)
French (fr)
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EP1879791A1 (en
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Jean-Marie Finot
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Individual
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B15/00—Superstructures, deckhouses, wheelhouses or the like; Arrangements or adaptations of masts or spars, e.g. bowsprits
    • B63B15/0083—Masts for sailing ships or boats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B15/00—Superstructures, deckhouses, wheelhouses or the like; Arrangements or adaptations of masts or spars, e.g. bowsprits
    • B63B15/02—Staying of masts or of other superstructures

Definitions

  • the present invention relates to a device for attaching rigging elements for a mast made of composite material, this device comprising fastening means attached to the mast and surrounding at least the major part of the outer profile of the mast.
  • the present invention also relates to a mast.
  • composite material is generally meant any layered material based on high strength fibers, in particular carbon fibers embedded in a substrate, in particular a resin.
  • the invention applies in particular to masts made from tubes of prepreg material molded or manufactured by filament winding or by pultrusion. To attach rigging elements to such masts, holes or other damage to their integrity should be avoided or their resistance will be severely reduced.
  • WO 03/070 558 proposes a device of the kind defined above for a mast made from a tube and kept waterproof by fixing by gluing horseshoe attachment means.
  • the establishment of the attachment means is provided by means of a clamp.
  • FR-A-2,836,119 discloses a device according to the features of the preamble of claim 1.
  • the object of the invention is, above all, to facilitate the manufacture of the attachment means, to simplify their placement on the mast, and the rigging of the rigging.
  • a device for attaching rigging elements intended for a mast made of composite material, which device comprises fastening means attached to the mast and surrounding at least the major part of the outer profile of the mast, is characterized in that that the attachment means comprise at least two separate attachment pieces to form a set marrying the mast, each attachment piece being fixed by gluing on the mast.
  • the fasteners are joined along an edge.
  • the two attachment pieces may each comprise a projection located in a plane substantially orthogonal to the adjacent surface of the attachment piece, the projections being applied against each other during assembly.
  • the projections assembled by gluing can form a forestay attachment means.
  • the forestay attachment means may comprise an orifice, passing through the projections, forming an eyelet in which is fixed a load part secured to the strut.
  • An interposing element may be interposed between said eyelet and said charging member.
  • At least one attachment piece has an outwardly convex skirt, forming a kind of belly delimiting a hollow interior volume between the outer wall of the mast and the inner wall of the attachment piece.
  • the skirt may comprise a lower wall substantially perpendicular to the geometric axis of the mast and an outer portion substantially in the form of a cone portion.
  • the skirt may also include at least one rigging element attachment means.
  • the skirt in its outer portion in the form of a cone portion, may comprise at least one seat provided with an orifice making it possible to make the attachment part integral with a rigging element, in particular an overhead bar.
  • the bottom wall of at least one skirt may comprise an orifice for inserting a stay end, said end of stay comprising stop means bearing on a shoulder located on said bottom wall.
  • a support cup may be interposed between said abutment means and said shoulder.
  • At least one skirt has a first orifice in its upper conical portion and a second orifice formed in the lower wall so that it is possible to put in place in the first orifice a cap which caps a portion of the conical wall. , and a branch through the second orifice, said yoke for attaching a stay.
  • An interposer may be placed between the yoke and the lower edge of the first orifice.
  • the fasteners are of laminated carbon.
  • a device D according to the invention is installed on a sailboat mast 1, the mast 1 being made of composite material.
  • the device D is intended, in particular, to attach a stay 2, shrouds or low shrouds 3, and / or spreaders 4.
  • the device D comprises fastening means, attached to the mast and surrounding at least the major part of the outer profile of the mast, formed by two attachment pieces 5 and 6 which constitute an assembly fitting said mast.
  • These parts 5 and 6 are formed from plates of generally constant thickness and substantially have a cylinder portion profile, in order to adapt closely to the mast 1 on which they are glued. Once glued, the fasteners 5 and 6 join one edge.
  • the attachment pieces 5 and 6 are said starboard and port side according to their position on the mast, once glued.
  • attachment pieces 5 and 6 each comprise, at one of their ends, in a plane substantially orthogonal to their surface, a projection 7.
  • the projections 7 have a substantially constant thickness and develop overhanging, over the entire height of the fastening parts 5 and 6.
  • the overhang width is minimal at the upper ends of the fastening parts 5 and 6 and maximum at the lower ends of said fasteners.
  • the projections 7 of the two parts are applied against each other during assembly and glued together, forming a kind of nose.
  • the protrusions 7, once fixed, are located on the part of the mast 1 facing the bow and are used as attachment means for the strut 2.
  • the assembly formed by the adhered projections comprises an orifice 8, generally obtained directly in each projection during the molding of the parts.
  • the orifice 8 constitutes an eyelet in which is fixed a load part or shackle 9 integral with the strut 2.
  • An interposing element 10 is interposed between the eyelet 8 and the shackle 9 so as to protect the eyelet 8 against premature wear caused by possible movements of the shackle 9, in particular, under the action of the wind on the forestay.
  • the loading part 9 contributes to the assembly of the parts 5 and 6.
  • the eyelet 8 is arranged in the lower part of the assembly formed by the meeting of the projections 7 and this assembly is substantially triangular in shape in order to optimize its resistance to the forces generated at the connection with the strut 2, which is required. significantly in traction.
  • One or more other orifices 12 may be provided in the projections 7 in order to strengthen the connection between the two projections 7 or to be able to attach other rigging elements.
  • Each attachment piece 5, 6 has a skirt 13 convex towards the outside forming a kind of belly and delimiting a hollow interior volume between the outer wall of the mast 1 and the inner wall of the attachment part 5, 6.
  • the skirt has a bottom wall 14 ( Fig. 5 ) substantially perpendicular to the geometric axis 15 of the mast 1 when the device is in place on the mast 1 and an outer portion 16 substantially shaped cone portion.
  • the skirt comprises means for attaching rigging elements.
  • Such attachment means may consist in the presence, on the outer part 16 of the skirt 13, of one or more seats 16a ( Fig.6 ) provided with orifices 16b making it possible to attach a rigging element, for example an arrow bar 4.
  • a screw 17 comprising an end piece spherical cap 18 and a shoulder 19 is bolted through the hole 16b on the skirt 13 by means of a nut 20.
  • a washer 21 is interposed between the skirt 13 and the nut 20, to prevent loosening inappropriate.
  • a spherical cup 4a, integral with the spreader bar 4 cooperates with the spherical cap tip 18 of the screw 17 to establish a ball joint connection between the spreader bar and the skirt 13.
  • Two assemblies of this type allow make two ball joints and thus obtain a pivot connection about an axis passing through the centers of the ball joints.
  • the attachment means may also allow to attach the stays.
  • the lower wall 14 of the skirt 13 has an orifice 22 for inserting an upper end 3a of guy, or low-stay, 3.
  • a stop means 23 is provided at this upper end 3a.
  • the abutment means 23 may be crimped or welded to the upper end 3a of the stay 3 or constituted by crushing of the upper end 3a of the stay 3.
  • the abutment means 23 has a larger diameter than the orifice 22 and bears on a shoulder 24 located on the inner face of the lower portion 14 of the skirt 13.
  • a bearing cup 25 is interposed between the means of stop 23 and the lower portion 14. This cup allows to better distribute the forces from the stay. Moreover, in particular because of the action of the wind, the stay 3 and its abutment means 23 can be subjected to vibrations or to small displacements and the support cup 25 makes it possible to avoid premature wear of the shoulder.
  • a second orifice 26, formed on the outer portion 16, allows the insertion of the stay.
  • the upper conical portion 16 of the skirt 13 has a first orifice 26 and the bottom wall 14 has a second orifice 22 so that it is possible to put in place in the first orifice 26 a clevis 27, inverted U-shaped , which caps a part of the conical wall 16, and a branch of this clevis 27 passes through the second orifice 22.
  • the yoke 27 makes it possible to attach a stay 3.
  • the yoke 27 may comprise two orifices 28 at the ends of each of its branches 27a and 27b making it possible to attach an upper end 3a of the stay equipped with a flat part with an orifice adequate.
  • An interposing element 29 is placed between the yoke 27 and the lower edge of the first orifice 26 for reasons similar to those evoked for the cup 25 of the first embodiment.
  • the fasteners 5 and 6 do not require complex tools to be molded despite the presence of the hollow skirt 16 and the portion 14. They are preferably made of laminated carbon.
  • the attachment means is not monoblock, the sizing is facilitated because the surfaces to be bonded are more accessible.
  • the attachment parts 5 and 6 being complementary, it is easy to position them relative to each other without special tools.
  • the projections 7, which are placed opposite each other, and the orifice 8, which is formed in the two attachment parts 5 and 6, allow such positioning. Once in place, the fasteners 5 and 6 each receive the struts 3 and / or tie rods 4 and the load part 9 which will be used to fix the strut.

Abstract

The device has a fastening unit surrounding a major part of an outer section of a mast (1), and having separate fastening parts (5, 6) to form an assembly adopting the mast, where the parts are fixed on the mast by bonding. The parts have projections (7) fixed with each other and placed on the mast to fix a stay (2) on the mast, and skirts (13) with a lower wall perpendicular to a geometric axis of the mast and a cone shaped outer part. An independent claim is also included for a composite material mast having a fastening device.

Description

La présente invention concerne un dispositif pour attacher des éléments de gréement destiné à un mât en matériau composite, ce dispositif comprenant des moyens d'attache rapportés sur le mât et entourant au moins la majeure partie du profil extérieur du mât. La présente invention concerne également un mât.The present invention relates to a device for attaching rigging elements for a mast made of composite material, this device comprising fastening means attached to the mast and surrounding at least the major part of the outer profile of the mast. The present invention also relates to a mast.

L'invention concerne plus particulièrement les voiliers mais peut s'appliquer également à des mâts utilisés dans d'autres domaines, par exemple pour des chars à voile. Par l'expression "matériau composite" on désigne de manière générale tout matériau stratifié à base de fibres à haute résistance mécanique, notamment fibres de carbone noyées dans un substrat, en particulier une résine.The invention relates more particularly to sailboats but can also be applied to masts used in other areas, for example for sailing tanks. By the term "composite material" is generally meant any layered material based on high strength fibers, in particular carbon fibers embedded in a substrate, in particular a resin.

L'invention s'applique notamment aux mâts réalisés à partir de tubes en matériau pré-imprégné moulés ou fabriqués par enroulement filamentaire ou par pultrusion. Pour attacher des éléments de gréement à de tels mâts, il convient d'éviter des perçages ou autres atteintes à leur intégrité sous peine de voir leur résistance gravement réduite.The invention applies in particular to masts made from tubes of prepreg material molded or manufactured by filament winding or by pultrusion. To attach rigging elements to such masts, holes or other damage to their integrity should be avoided or their resistance will be severely reduced.

WO 03/070 558 propose un dispositif du genre défini précédemment pour un mât réalisé à partir d'un tube et maintenu étanche en y fixant par collage des moyens d'attache en fer à cheval. La mise en place des moyens d'attache est assurée à l'aide d'une pince. Bien que cette solution soit relativement satisfaisante, la fabrication et la mise en place de tels moyens en matériau stratifié est délicate. Leur conception limite les possibilités de réalisation des attaches de gréement, notamment pour haubans, étais et barres de flèche. De plus, il est difficile de réduire le prix de revient de ces moyens d'attache tout en assurant la solidité. WO 03/070 558 proposes a device of the kind defined above for a mast made from a tube and kept waterproof by fixing by gluing horseshoe attachment means. The establishment of the attachment means is provided by means of a clamp. Although this solution is relatively satisfactory, the manufacture and implementation of such means of laminated material is delicate. Their design limits the possibilities of realization of the rigging fasteners, in particular for shrouds, stays and spreaders. In addition, it is difficult to reduce the cost of these fasteners while ensuring strength.

FR-A-2 836 119 divulgue un dispositif selon les caractéristiques du préambule de la revendication 1. FR-A-2,836,119 discloses a device according to the features of the preamble of claim 1.

L'invention a pour but, surtout, de faciliter la fabrication des moyens d'attache, de simplifier leur mise en place sur le mât, et l'accrochage du gréement.The object of the invention is, above all, to facilitate the manufacture of the attachment means, to simplify their placement on the mast, and the rigging of the rigging.

Selon l'invention un dispositif pour attacher des éléments de gréement, destiné à un mât en matériau composite, lequel dispositif comprend des moyens d'attache rapportés sur le mât et entourant au moins la majeure partie du profil extérieur du mât, est caractérisé en ce que les moyens d'attache comprennent au moins deux pièces d'attache distinctes pour constituer un ensemble épousant le mât, chaque pièce d'attache étant fixée par collage sur le mât.According to the invention a device for attaching rigging elements, intended for a mast made of composite material, which device comprises fastening means attached to the mast and surrounding at least the major part of the outer profile of the mast, is characterized in that that the attachment means comprise at least two separate attachment pieces to form a set marrying the mast, each attachment piece being fixed by gluing on the mast.

Avantageusement les pièces d'attache se rejoignent suivant un bord. Les deux pièces d'attache peuvent comporter chacune une saillie située dans un plan sensiblement orthogonal à la surface adjacente de la pièce d'attache, les saillies étant appliquées l'une contre l'autre lors de l'assemblage.Advantageously the fasteners are joined along an edge. The two attachment pieces may each comprise a projection located in a plane substantially orthogonal to the adjacent surface of the attachment piece, the projections being applied against each other during assembly.

Les saillies assemblées par collage peuvent former un moyen de fixation d'étai. Le moyen de fixation d'étai peut comporter un orifice, traversant les saillies, formant oeillet dans lequel vient se fixer une pièce de charge solidaire de l'étai. Un élément d'interposition peut être intercalé entre ledit oeillet et ladite pièce de charge.The projections assembled by gluing can form a forestay attachment means. The forestay attachment means may comprise an orifice, passing through the projections, forming an eyelet in which is fixed a load part secured to the strut. An interposing element may be interposed between said eyelet and said charging member.

De préférence, au moins une pièce d'attache comporte une jupe convexe vers l'extérieur, formant une sorte de ventre délimitant un volume intérieur creux entre la paroi extérieure du mât et la paroi intérieure de la pièce d'attache. La jupe peut comporter une paroi inférieure sensiblement perpendiculaire à l'axe géométrique du mât et une partie extérieure sensiblement en forme de portion de cône. La jupe peut aussi comporter au moins un moyen d'attache d'élément de gréement.Preferably, at least one attachment piece has an outwardly convex skirt, forming a kind of belly delimiting a hollow interior volume between the outer wall of the mast and the inner wall of the attachment piece. The skirt may comprise a lower wall substantially perpendicular to the geometric axis of the mast and an outer portion substantially in the form of a cone portion. The skirt may also include at least one rigging element attachment means.

La jupe, dans sa partie extérieure en forme de portion de cône, peut comporter au moins un siège muni d'un orifice permettant de rendre solidaire de la pièce d'attache un élément de gréement, en particulier une barre de flèche.The skirt, in its outer portion in the form of a cone portion, may comprise at least one seat provided with an orifice making it possible to make the attachment part integral with a rigging element, in particular an overhead bar.

La paroi inférieure d'au moins une jupe peut comporter un orifice permettant d'insérer une extrémité de hauban, ladite extrémité de hauban comprenant un moyen de butée prenant appui sur un épaulement situé sur ladite paroi inférieure. Une coupelle d'appui peut être interposée entre ledit moyen de butée et ledit épaulement.The bottom wall of at least one skirt may comprise an orifice for inserting a stay end, said end of stay comprising stop means bearing on a shoulder located on said bottom wall. A support cup may be interposed between said abutment means and said shoulder.

Avantageusement, au moins une jupe comporte un premier orifice dans sa partie conique supérieure et un deuxième orifice ménagé dans la paroi inférieure de sorte qu'il est possible de mettre en place dans le premier orifice une chape qui vient coiffer une partie de la paroi conique, et dont une branche traverse le deuxième orifice, ladite chape permettant d'attacher un hauban. Un élément d'interposition peut être placé entre la chape et le bord inférieur du premier orifice.Advantageously, at least one skirt has a first orifice in its upper conical portion and a second orifice formed in the lower wall so that it is possible to put in place in the first orifice a cap which caps a portion of the conical wall. , and a branch through the second orifice, said yoke for attaching a stay. An interposer may be placed between the yoke and the lower edge of the first orifice.

De préférence, les pièces d'attache sont en carbone stratifié.Preferably, the fasteners are of laminated carbon.

D'autres caractéristiques et avantages de l'invention apparaîtront dans la description qui suit avec référence aux dessins annexés mais qui n'a aucun caractère limitatif. Sur ces dessins :

  • Fig. 1 est une vue schématique de côté d'une embarcation à voiles comportant un mât où plusieurs dispositifs selon l'invention ont été installés.
  • Fig. 2 est une vue en perspective d'un dispositif selon l'invention mis en place sur un morceau de mât, un étai, un bas hauban et une barre de flèche étant aussi représentés en liaison avec le dispositif.
  • Fig. 3 est une vue en perspective, à plus grande échelle, d'un dispositif selon l'invention, dans le cas d'une configuration simple avec un étai et deux haubans, dont un seul est représenté ici.
  • Fig. 4 est une vue en perspective du dispositif de Fig. 3, dans le cas d'une configuration avec barres de flèche.
  • Fig. 5 est une vue en perspective d'une possibilité de réalisation d'une pièce d'attache selon l'invention.
  • Fig. 6 est une coupe verticale, à plus grande échelle, de la pièce d'attache de Fig. 5, par un plan passant par l'axe d'une barre de flèche.
  • Fig. 7 est une coupe verticale, similaire à Fig. 6, par un plan contenant le hauban.
  • Fig. 8 est une vue en perspective similaire à la Fig. 5 montrant un autre mode de réalisation d'une pièce d'attache, et
  • Fig. 9 est une vue en perspective similaire à Fig. 3, avec la pièce d'attache illustrée sur Fig. 8.
Other characteristics and advantages of the invention will appear in the description which follows with reference to the accompanying drawings but which has no limiting character. On these drawings:
  • Fig. 1 is a schematic side view of a sailboat having a mast where several devices according to the invention have been installed.
  • Fig. 2 is a perspective view of a device according to the invention set up on a piece of mast, a forestay, a low stay and a spreader being also shown in connection with the device.
  • Fig. 3 is a perspective view, on a larger scale, of a device according to the invention, in the case of a simple configuration with a forestay and two stays, only one of which is shown here.
  • Fig. 4 is a perspective view of the device Fig. 3 , in the case of a configuration with spreaders.
  • Fig. 5 is a perspective view of an embodiment of a fastener according to the invention.
  • Fig. 6 is a vertical section, on a larger scale, of the Fig. 5 , by a plane passing through the axis of an arrow bar.
  • Fig. 7 is a vertical section, similar to Fig. 6 , by a plane containing the stay.
  • Fig. 8 is a perspective view similar to the Fig. 5 showing another embodiment of a fastener, and
  • Fig. 9 is a perspective view similar to Fig. 3 , with the attachment shown on Fig. 8 .

En se reportant à Fig. 1, on peut voir qu'un dispositif D selon l'invention est installé sur un mât 1 d'embarcation à voiles, le mât 1 étant réalisé en matériau composite.Referring to Fig. 1 it can be seen that a device D according to the invention is installed on a sailboat mast 1, the mast 1 being made of composite material.

Le dispositif D est destiné, notamment, à attacher un étai 2, des haubans ou bas haubans 3, et/ou des barres de flèche 4.The device D is intended, in particular, to attach a stay 2, shrouds or low shrouds 3, and / or spreaders 4.

En se référant aux Fig. 2, 3 et 4, on voit que le dispositif D comprend des moyens d'attache, rapportés sur le mât et entourant au moins la majeure partie du profil extérieur du mât, formés par deux pièces d'attache 5 et 6 qui constituent un ensemble épousant ledit mât. Ces pièces 5 et 6 sont formées à partir de plaques d'épaisseurs globalement constantes et possèdent sensiblement un profil de portion de cylindre, afin de s'adapter intimement au mât 1 sur lequel elles sont collées. Une fois collées, les pièces d'attache 5 et 6 se rejoignent suivant un bord. Les pièces d'attache 5 et 6 sont dites tribord et bâbord suivant leur position sur le mât, une fois collées.Referring to Fig. 2 , 3 and 4 it can be seen that the device D comprises fastening means, attached to the mast and surrounding at least the major part of the outer profile of the mast, formed by two attachment pieces 5 and 6 which constitute an assembly fitting said mast. These parts 5 and 6 are formed from plates of generally constant thickness and substantially have a cylinder portion profile, in order to adapt closely to the mast 1 on which they are glued. Once glued, the fasteners 5 and 6 join one edge. The attachment pieces 5 and 6 are said starboard and port side according to their position on the mast, once glued.

Ces pièces d'attache 5 et 6 comportent chacune, à l'une de leurs extrémités, dans un plan sensiblement orthogonal à leur surface, une saillie 7. Les saillies 7 ont une épaisseur sensiblement constante et se développent en surplomb, sur toute la hauteur des pièces d'attache 5 et 6. La largeur de surplomb est minimale au niveau des extrémités supérieures des pièces d'attache 5 et 6 et maximale au niveau des extrémités inférieures desdites pièces d'attache. Les saillies 7 des deux pièces sont appliquées l'une contre l'autre lors de l'assemblage et collées ensemble, formant une sorte de nez.These attachment pieces 5 and 6 each comprise, at one of their ends, in a plane substantially orthogonal to their surface, a projection 7. The projections 7 have a substantially constant thickness and develop overhanging, over the entire height of the fastening parts 5 and 6. The overhang width is minimal at the upper ends of the fastening parts 5 and 6 and maximum at the lower ends of said fasteners. The projections 7 of the two parts are applied against each other during assembly and glued together, forming a kind of nose.

Les saillies 7, une fois fixées, sont situées sur la partie du mât 1 orientée vers la proue et sont utilisées comme moyen de fixation de l'étai 2. Dans ce cas, l'ensemble formé par les saillies collées comporte un orifice 8, généralement obtenu directement dans chaque saillie lors du moulage des pièces. L'orifice 8 constitue un oeillet dans lequel vient se fixer une pièce de charge ou manille 9 solidaire de l'étai 2. Un élément d'interposition 10 est intercalé entre l'oeillet 8 et la manille 9 de manière à protéger l'oeillet 8 contre une usure prématurée provoquée par d'éventuels déplacements de la manille 9, en particulier, sous l'action du vent sur l'étai. La pièce de charge 9 contribue à l'assemblage des pièces 5 et 6.The protrusions 7, once fixed, are located on the part of the mast 1 facing the bow and are used as attachment means for the strut 2. In this case, the assembly formed by the adhered projections comprises an orifice 8, generally obtained directly in each projection during the molding of the parts. The orifice 8 constitutes an eyelet in which is fixed a load part or shackle 9 integral with the strut 2. An interposing element 10 is interposed between the eyelet 8 and the shackle 9 so as to protect the eyelet 8 against premature wear caused by possible movements of the shackle 9, in particular, under the action of the wind on the forestay. The loading part 9 contributes to the assembly of the parts 5 and 6.

L'oeillet 8 est disposé en partie basse de l'ensemble formé par la réunion des saillies 7 et cet ensemble a sensiblement une forme de triangle afin d'optimiser sa résistance aux efforts générés au niveau de la liaison avec l'étai 2, sollicité de manière importante en traction. Un ou plusieurs autres orifices 12 pourront être ménagés dans les saillies 7 afin de renforcer la liaison entre les deux saillies 7 ou de pouvoir attacher d'autres éléments de gréement.The eyelet 8 is arranged in the lower part of the assembly formed by the meeting of the projections 7 and this assembly is substantially triangular in shape in order to optimize its resistance to the forces generated at the connection with the strut 2, which is required. significantly in traction. One or more other orifices 12 may be provided in the projections 7 in order to strengthen the connection between the two projections 7 or to be able to attach other rigging elements.

Chaque pièce d'attache 5, 6 comporte une jupe 13 convexe vers l'extérieur formant une sorte de ventre et délimitant un volume intérieur creux entre la paroi extérieure du mât 1 et la paroi intérieure de la pièce d'attache 5, 6. La jupe comporte une paroi inférieure 14 (Fig. 5) sensiblement perpendiculaire à l'axe géométrique 15 du mât 1 lorsque le dispositif est en place sur le mât 1 et une partie extérieure 16 sensiblement en forme de portion de cône. Ce type de réalisation permet d'optimiser la résistance aux efforts générés par les d'éléments de gréement attachés.Each attachment piece 5, 6 has a skirt 13 convex towards the outside forming a kind of belly and delimiting a hollow interior volume between the outer wall of the mast 1 and the inner wall of the attachment part 5, 6. The skirt has a bottom wall 14 ( Fig. 5 ) substantially perpendicular to the geometric axis 15 of the mast 1 when the device is in place on the mast 1 and an outer portion 16 substantially shaped cone portion. This type of embodiment makes it possible to optimize the resistance to the forces generated by the attached rigging elements.

Avantageusement, la jupe comporte des moyens d'attache d'éléments de gréement. De tels moyens d'attache peuvent consister en la présence, sur la partie extérieure 16 de la jupe 13, d'un ou plusieurs sièges 16a (Fig.6) muni(s) d'orifices 16b permettant d'attacher un élément de gréement, par exemple une barre de flèche 4. Une vis 17 comportant un embout à calotte sphérique 18 et un épaulement 19 est boulonnée à travers l'orifice 16b sur la jupe 13 à l'aide d'un écrou 20. Une rondelle 21 est interposée entre la jupe 13 et l'écrou 20, afin d'empêcher un desserrage inopportun. Une coupelle sphérique 4a, solidaire de la barre de flèche 4, coopère avec l'embout à calotte sphérique 18 de la vis 17 afin d'établir une liaison rotule entre la barre de flèche et la jupe 13. Deux assemblages de ce type permettent de réaliser deux rotules et donc d'obtenir une liaison pivot autour d'un axe passant par les centres des rotules.Advantageously, the skirt comprises means for attaching rigging elements. Such attachment means may consist in the presence, on the outer part 16 of the skirt 13, of one or more seats 16a ( Fig.6 ) provided with orifices 16b making it possible to attach a rigging element, for example an arrow bar 4. A screw 17 comprising an end piece spherical cap 18 and a shoulder 19 is bolted through the hole 16b on the skirt 13 by means of a nut 20. A washer 21 is interposed between the skirt 13 and the nut 20, to prevent loosening inappropriate. A spherical cup 4a, integral with the spreader bar 4, cooperates with the spherical cap tip 18 of the screw 17 to establish a ball joint connection between the spreader bar and the skirt 13. Two assemblies of this type allow make two ball joints and thus obtain a pivot connection about an axis passing through the centers of the ball joints.

Les moyens d'attache peuvent aussi permettre d'attacher les haubans. Selon un premier mode de réalisation visible Fig. 7, la paroi inférieure 14 de la jupe 13 comporte un orifice 22 permettant d'insérer une extrémité supérieure 3a de hauban, ou de bas-hauban, 3. Un moyen de butée 23 est prévu à cette extrémité supérieure 3a. Le moyen de butée 23 peut être serti ou soudé sur l'extrémité supérieure 3a du hauban 3 ou bien constitué par écrasement de l'extrémité supérieure 3a du hauban 3.The attachment means may also allow to attach the stays. According to a first visible embodiment Fig. 7 , the lower wall 14 of the skirt 13 has an orifice 22 for inserting an upper end 3a of guy, or low-stay, 3. A stop means 23 is provided at this upper end 3a. The abutment means 23 may be crimped or welded to the upper end 3a of the stay 3 or constituted by crushing of the upper end 3a of the stay 3.

Le moyen de butée 23 a un diamètre supérieur à celui de l'orifice 22 et prend appui sur un épaulement 24 situé sur la face intérieure de la partie inférieure 14 de la jupe 13. Une coupelle d'appui 25 est interposée entre le moyen de butée 23 et la partie inférieure 14. Cette coupelle permet de mieux répartir les efforts issus du hauban. Par ailleurs, en particulier du fait de l'action du vent, le hauban 3 et son moyen de butée 23 peuvent être soumis à des vibrations ou à de faibles déplacements et la coupelle d'appui 25 permet d'éviter une usure prématurée de l'épaulement. Un deuxième orifice 26, ménagé sur la partie extérieure 16, permet l'insertion du hauban.The abutment means 23 has a larger diameter than the orifice 22 and bears on a shoulder 24 located on the inner face of the lower portion 14 of the skirt 13. A bearing cup 25 is interposed between the means of stop 23 and the lower portion 14. This cup allows to better distribute the forces from the stay. Moreover, in particular because of the action of the wind, the stay 3 and its abutment means 23 can be subjected to vibrations or to small displacements and the support cup 25 makes it possible to avoid premature wear of the shoulder. A second orifice 26, formed on the outer portion 16, allows the insertion of the stay.

Selon un second mode de réalisation visible Fig. 8 et 9, la partie conique supérieure 16 de la jupe 13 comporte un premier orifice 26 et la paroi inférieure 14 comporte un deuxième orifice 22 de sorte qu'il est possible de mettre en place dans le premier orifice 26 une chape 27, en forme de U renversé, qui vient coiffer une partie de la paroi conique 16, et une branche de cette chape 27 traverse le deuxième orifice 22.According to a second visible embodiment Fig. 8 and 9 , the upper conical portion 16 of the skirt 13 has a first orifice 26 and the bottom wall 14 has a second orifice 22 so that it is possible to put in place in the first orifice 26 a clevis 27, inverted U-shaped , which caps a part of the conical wall 16, and a branch of this clevis 27 passes through the second orifice 22.

La chape 27 permet d'attacher un hauban 3. En particulier, la chape 27 peut comporter deux orifices 28 aux extrémités de chacune de ses branches 27a et 27b permettant d'attacher une extrémité supérieure 3a du hauban munie d'un méplat avec un orifice adéquat. Un élément d'interposition 29 est placé entre la chape 27 et le bord inférieur du premier orifice 26 pour des raisons similaires à celles évoquées pour la coupelle d'appui 25 du premier mode de réalisation.The yoke 27 makes it possible to attach a stay 3. In particular, the yoke 27 may comprise two orifices 28 at the ends of each of its branches 27a and 27b making it possible to attach an upper end 3a of the stay equipped with a flat part with an orifice adequate. An interposing element 29 is placed between the yoke 27 and the lower edge of the first orifice 26 for reasons similar to those evoked for the cup 25 of the first embodiment.

Les pièces d'attache 5 et 6 ne nécessitent pas d'outillage complexe pour être moulées malgré la présence de la jupe creuse 16 et de la partie 14. Elles sont réalisées de préférence en carbone stratifié. Le moyen d'attache n'étant pas monobloc, l'encollage en est facilité car les surfaces à encoller sont plus accessibles. Les pièces d'attache 5 et 6 étant complémentaires, il est aisé de les positionner l'une par rapport à l'autre sans outillage spécial. Les saillies 7, qui sont mises en place l'une en face de l'autre, et l'orifice 8, qui est ménagé dans les deux pièces d'attache 5 et 6, permettent un tel positionnement. Une fois mises en place, les pièces d'attache 5 et 6 reçoivent chacune les attaches de hauban 3 et/ou de barres de flèche 4 ainsi que la pièce de charge 9 qui servira à fixer l'étai.The fasteners 5 and 6 do not require complex tools to be molded despite the presence of the hollow skirt 16 and the portion 14. They are preferably made of laminated carbon. The attachment means is not monoblock, the sizing is facilitated because the surfaces to be bonded are more accessible. The attachment parts 5 and 6 being complementary, it is easy to position them relative to each other without special tools. The projections 7, which are placed opposite each other, and the orifice 8, which is formed in the two attachment parts 5 and 6, allow such positioning. Once in place, the fasteners 5 and 6 each receive the struts 3 and / or tie rods 4 and the load part 9 which will be used to fix the strut.

Claims (14)

  1. Device for fastening rigging elements, intended for a mast (1) made from a composite material, said device (D) comprising fastening means attached to the mast (1) and surrounding at least the most part of the exterior profile of the mast (1), characterised in that the fastening means comprise at least two different fastening elements (5, 6) forming an assembly that conforms in shape to the mast (1), each fastening element (5, 6) being fixed by adhesion to the mast (1), the fastening elements (5, 6) joining together along an edge and each comprising a projection (7) located in a plane that is virtually orthogonal to the adjacent surface of the fastening element (5, 6), the projections (7) being placed against one another during assembly.
  2. Device according to claim 1, characterised in that the projections (7) assembled by adhesion form a prop securing means (2).
  3. Device according to claim 2, characterised in that the prop securing means (2) comprises an opening which traverses the projections (7) and forms an eyelet (8) in which a loading element (9) is fixed that is joined to the prop (2).
  4. Device according to claim 3, characterised in that an insertion element (10) is inserted between the said eyelet (8) and the said loading element (9).
  5. Device according to claim 1, characterised in that at least one fastening element (5, 6) comprises a skirt (13) that is convex towards the outside forming a sort of bulge which delimits an interior hollow space between the outer wall of the mast (1) and the inner wall of the fastening element (5, 6).
  6. Device according to claim 4, characterised in that the skirt (13) comprises a lower wall (14) which is substantially perpendicular to the geometric axis of the mast (1) and an outer part (16) which is substantially in the form of a portion of cone.
  7. Device according to claim 5 or 6, characterised in that the skirt (13) comprises at least one means for attaching the rigging element.
  8. Device according to claim 7, characterised in that the skirt (13) in its outer part (16), comprises at least one seat provided with an opening making it possible to join onto the fastening element (5, 6) a rigging element, in particular a deflection rod (4).
  9. Device according to claim 6, characterised in that the lower wall (14) of at least one skirt (13) comprises an opening (22) allowing for the insertion of the end of a guy (3), said guy end (3) comprising a stop means (23) bearing against a shoulder (24) located on said lower wall (14).
  10. Device according to claim 9, characterised in that a support cup (25) is interposed between the said stop means (23) and the said shoulder (24).
  11. Device according to claim 6, characterised in that at least one skirt (13) comprises a first opening (26) in its upper conical part (16) and a second opening (22) arranged in the lower wall (14) such that it is possible to Insert into the first opening (26) a strap (27) which overlaps a part of the conical wall (16), and one branch (27b) of which traverses the second opening (22), said strap (27) allowing the attachment of a guy (3).
  12. Device according to claim 11, characterised in that an insertion element (29) is placed between the strap (27) and lower edge of the first opening (26).
  13. Device according to any one of the preceding claims, characterised in that the fastening elements (5, 6) are made of laminated carbon.
  14. Mast made from a composite material equipped with at least one device according to any one of the preceding claims.
EP05822976A 2004-11-30 2005-11-29 Device for fastening rigging elements, and mast equipped with same Not-in-force EP1879791B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0412697A FR2878501B1 (en) 2004-11-30 2004-11-30 DEVICE FOR ATTACHING MOUNTING ELEMENTS, AND MAST EQUIPPED WITH SUCH A DEVICE
PCT/FR2005/002960 WO2006058991A1 (en) 2004-11-30 2005-11-29 Device for fastening rigging elements, and mast equipped with same

Publications (2)

Publication Number Publication Date
EP1879791A1 EP1879791A1 (en) 2008-01-23
EP1879791B1 true EP1879791B1 (en) 2009-07-29

Family

ID=34953113

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05822976A Not-in-force EP1879791B1 (en) 2004-11-30 2005-11-29 Device for fastening rigging elements, and mast equipped with same

Country Status (5)

Country Link
EP (1) EP1879791B1 (en)
AT (1) ATE437795T1 (en)
DE (1) DE602005015769D1 (en)
FR (1) FR2878501B1 (en)
WO (1) WO2006058991A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023139264A1 (en) 2022-01-21 2023-07-27 Paris Sciences Et Lettres Mast stayed by a shroud separated transversely from the mast by a spreader

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1182654A (en) * 1967-05-02 1970-03-04 Charles Frederick Wyatt An improved spar for sailing craft and method of manufacturing same
GB1218188A (en) * 1967-08-05 1971-01-06 Dell Quay Group Ltd Improvements in the staying of masts and posts
GB1212517A (en) * 1967-09-02 1970-11-18 Dell Quay Group Ltd Improvements in the staying of masts and posts
FR2679973A1 (en) * 1991-07-30 1993-02-05 Petitjean Philippe Method for anchoring on to a hollow structure made of composite material
DK173794B1 (en) * 1999-11-09 2001-11-05 Bsi As Fixing arrangement for attaching stays and used to a boat mast
FR2836119B1 (en) * 2002-02-20 2004-05-28 Jean Marie Finot IMPROVEMENTS TO CARBON MATS

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023139264A1 (en) 2022-01-21 2023-07-27 Paris Sciences Et Lettres Mast stayed by a shroud separated transversely from the mast by a spreader
FR3132074A1 (en) 2022-01-21 2023-07-28 Paris Sciences Et Lettres Mast guyed by a guy wire spaced transversely from the mast by a spreader

Also Published As

Publication number Publication date
WO2006058991A1 (en) 2006-06-08
EP1879791A1 (en) 2008-01-23
DE602005015769D1 (en) 2009-09-10
ATE437795T1 (en) 2009-08-15
FR2878501A1 (en) 2006-06-02
FR2878501B1 (en) 2007-02-16

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