EP1529140A2 - Device for anchoring a covering panel on a moulded wall - Google Patents

Device for anchoring a covering panel on a moulded wall

Info

Publication number
EP1529140A2
EP1529140A2 EP03758199A EP03758199A EP1529140A2 EP 1529140 A2 EP1529140 A2 EP 1529140A2 EP 03758199 A EP03758199 A EP 03758199A EP 03758199 A EP03758199 A EP 03758199A EP 1529140 A2 EP1529140 A2 EP 1529140A2
Authority
EP
European Patent Office
Prior art keywords
spring
panel
anchoring
diameter
conical
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.)
Granted
Application number
EP03758199A
Other languages
German (de)
French (fr)
Other versions
EP1529140B1 (en
Inventor
Philippe Tolleret
Gaelle Deleplancque
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ateliers LR Etanco SAS
Original Assignee
Ateliers LR Etanco SAS
Rockwool Isolation SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ateliers LR Etanco SAS, Rockwool Isolation SA filed Critical Ateliers LR Etanco SAS
Publication of EP1529140A2 publication Critical patent/EP1529140A2/en
Application granted granted Critical
Publication of EP1529140B1 publication Critical patent/EP1529140B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry

Definitions

  • the present invention relates to a device for anchoring a covering on a diaphragm wall such as, for example, a wall or a ceiling, a floor.
  • a formwork formed from horizontal hips supported from place to place by support structures such as straight feet is produced.
  • the upper face of this formwork is covered by insulating panels, the upper face of which is previously provided with projecting anchoring means.
  • the reinforcement of the floor is then placed on these panels, then the slab is poured with a molding material such as, for example, concrete.
  • the various solutions which have been proposed so far for producing the anchoring devices can be classified into two categories, namely: the anchoring means which are incorporated into the insulation panels during their manufacture and the means of anchorage intended to be mounted on site at the time of their use.
  • the first solution makes it possible to offer a ready-to-use product at a more attractive price since it is manufactured in the factory using manufacturing means allowing high production rates to be ensured.
  • it avoids having to organize for these fixing means a distribution circuit, separate from. that of the panels.
  • it suffers from an important drawback due to the fact that the panels fitted with projecting anchoring means become difficult to store and handle. This is the reason why articulated anchoring devices have been proposed, which can be folded back against the panels, during storage and transport, and which can take a deployed position when the panels are used. It is a more expensive and less effective solution because the stress due to articulation and tilting does not allow the use of the most suitable forms to obtain a good anchorage.
  • anchoring devices which are in the form of helical springs which are partially screwed into the insulation panels, the part which emerges from the formwork being used for anchoring.
  • the object of the invention is to provide a solution which combines the advantages of the two solutions mentioned above without understanding the disadvantages.
  • an anchoring device in the form of a helical spring comprising a first part which fits into a substantially cylindrical shape and which is intended to be screwed into the insulation panel, and a second part which is inscribed in a substantially conical shape and which extends the first part by flaring, this second part being intended to s' anchor in the wall at the time of molding.
  • the conical shape of the projecting part of the panel has only a very small thickness (that of the wire used for the production of the spring).
  • the panels can be stacked without losing space.
  • the stiffness of the spring is a function of the diameter of the turns, the effort to compress the conical part of the spring will be relatively low. It is the same with regard to the punching action of the spring on the panel which compresses it during superposition.
  • the risk of damage to this panel is minimal.
  • the presence of the conical part of the spring facilitates the screwing of the device in the panels, whether it is a screwing on the site or a screwing in the factory:
  • This conical part allows a better grip to the hand and better grip when using a screwing tool.
  • the turn of the conical part may have a larger diameter than that of the turns of the cylindrical part, so that one obtains at this junction l 'equivalent of a shoulder.
  • this shoulder will come into abutment on the outside face of the panel while stopping screwing. The operator will no longer have to worry about the screwing depth.
  • Figure 1 is an elevational view of an anchoring device according to the invention.
  • Figure 2 is a schematic vertical section illustrating the principle of fixing ceiling insulation panels using anchoring devices such as that illustrated in Figure 1;
  • Figure 3 is a schematic sectional view of a stack of insulation panels fitted with anchoring devices
  • Figure 4 is an axial section of a screw cap used for fixing the anchoring devices.
  • the anchoring device 1 consists of a helical spring comprising two parts, namely:
  • first part 2 the shape of which is inscribed in a cylinder, this first part being intended to be screwed into an insulation panel, and - A second part 3 which extends the first part 2 by flaring, this second part 3 being part of a cone.
  • the first turn of the second part 3 has a significantly larger diameter than that of the first part 2.
  • the junction between the two parts is achieved by a section of wire 4 which extends radially (at the image of a shoulder).
  • This spring 1 could advantageously be made of galvanized or stainless steel wire or of polymer.
  • the panels fitted with their fixing devices are installed at the bottom of the formwork, before the reinforcement and the pouring of the floor.
  • the panels PP 2 are laid flat on a horizontal formwork table TC mounted on a support structure constituted here by straight feet PS (partially shown).
  • the springs 1 which constitute the fastening devices are screwed onto the upper wall of the panels (here the panel P so that only the second part 3 (conical) protrudes relative to said wall.
  • the operator installs the metal reinforcements AM (reinforcement) and then proceeds to pour the PL floor, for example with concrete, until the desired level is achieved.
  • AM reinforcements
  • the operator can remove the TC formwork table and its PS support structure.
  • the anchoring devices 1 can be screwed in at the factory or even on site just before installing the P 15 P 2 panels.
  • the panels P 15 P 2 , P 3 fitted with anchoring devices, can be easily stacked for storage and transport ( Figure 3).
  • Figure 4 shows a screw cap 6 which can be mounted in the mandrel of a conventional screwdriver.
  • This screwing bell 6 comprises a tubular body 7 open in its lower part and finished in its upper part by a bottom 8 extended by a coaxial rod 9 capable of coming to engage in the mandrel of the screwdriver.
  • the underside of the disc comprises an annular coaxial cavity (groove 11) of diameter substantially equal to that of said coil.
  • This cavity 11 comprises a protuberance intended to come into abutment on the end of the spring so as to be able to drive it in rotation.
  • This core 13 is biased by a spring 14 so as to naturally assume a deployed position in which it emerges outside the body 7 over a length substantially equal to that of the cylindrical part 2 of the spring, position in which it is retained. thanks to a limit stop (here a needle screw 15 which engages in an axial groove 16 of the core 13).
  • a limit stop here a needle screw 15 which engages in an axial groove 16 of the core 13.
  • the distance between the bottom of the annular cavity 11 and the lower end of the body 7 is substantially equal to the height of the conical part 3 of the spring.
  • a radial notch 17 formed on the lower end of the body 7 allows the passage of the radial section 4 of the spring wire as well as its drive in rotation.
  • the spring is guided (in particular by the core 13) and driven in rotation by the screwing bell.
  • the lower end of the body 7 and the horizontal section of the spring abut against the panel Pi and cause the end of the screwing.
  • the lower end of the core 13 may have a conical shape.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Soil Working Implements (AREA)
  • Connection Or Junction Boxes (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Load-Bearing And Curtain Walls (AREA)
  • Coating Apparatus (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Automotive Seat Belt Assembly (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)

Abstract

The anchoring system for a layer (P1, P2) of a covering material such as mineral wool or foam attached to a cast partition (PL) such as a wall, floor or ceiling, consists of coil springs with cylindrical ends (2) screwed into the insulating layer and conical ends (3) that are anchored in the cast partition. The springs are wound on a mandrel with a circular groove in a disc for the larger end of the conical section and a spring-loaded core for the cylindrical section.

Description

DISPOSITIF POUR L'ANCRAGE D'UN REVETEMENT SUR UNE PAROI MOULEE.DEVICE FOR ANCHORING A COATING ON A MOLDED WALL.
La présente invention concerne un dispositif d'ancrage d'un revêtement sur une paroi moulée telle que, par exemple, un mur ou un plafond, un plancher.The present invention relates to a device for anchoring a covering on a diaphragm wall such as, for example, a wall or a ceiling, a floor.
Elle s'applique plus particulièrement, mais non exclusivement, à la fixation de panneaux d'isolation, par exemple en laine minérale (roche, verre ...) ou en mousse de matière synthétique, revêtus ou non, mis en place dans les coffrages préalablement au coulage de la paroi.It applies more particularly, but not exclusively, to the fixing of insulation panels, for example in mineral wool (rock, glass ...) or in foam of synthetic material, coated or not, placed in the formwork prior to pouring the wall.
D'une façon générale, on sait que pour réaliser une dalle de plancher avec revêtement d'isolation en plafond, on réalise un coffrage formé de hanches horizontales soutenues de place en place par des structures de support telles que des pieds droits. On recouvre la face supérieure de ce coffrage par des panneaux isolants dont la face supérieure est préalablement munie de moyens d'ancrage en saillie. On pose ensuite sur ces panneaux le ferraillage du plancher, puis on procède au coulage de la dalle avec une matière de moulage telle que, par exemple, du béton.Generally, it is known that in order to produce a floor slab with ceiling insulation covering, a formwork formed from horizontal hips supported from place to place by support structures such as straight feet is produced. The upper face of this formwork is covered by insulating panels, the upper face of which is previously provided with projecting anchoring means. The reinforcement of the floor is then placed on these panels, then the slab is poured with a molding material such as, for example, concrete.
Après que la prise de la matière de moulage se soit produite et que la dalle ait atteint un niveau de résistance mécanique suffisant, on procède au décoffrage eri retirant les banches et leurs structures de support. Les panneaux d'isolation se trouvent alors fixés à la dalle par l'intermédiaire des moyens d'ancrage dont les parties initialement en saillie se trouvent enrobées dans la dalle moulée. Les différentes solutions qui ont été proposées jusqu'ici pour réaliser les dispositifs d'ancrage peuvent se classer en deux catégories, à savoir : les moyens d'ancrage qui sont incorporés dans les panneaux d'isolation lors de leur fabrication et les moyens d'ancrage destinés à être montés sur site au moment de leur utilisation.After the setting of the molding material has occurred and the slab has reached a sufficient level of mechanical resistance, we proceed to formwork eri removing the forms and their support structures. The insulation panels are then fixed to the slab via anchoring means, the initially projecting parts of which are coated in the molded slab. The various solutions which have been proposed so far for producing the anchoring devices can be classified into two categories, namely: the anchoring means which are incorporated into the insulation panels during their manufacture and the means of anchorage intended to be mounted on site at the time of their use.
En principe, la première solution permet de proposer un produit prêt à l'emploi à un prix plus attractif puisque fabriqué en usine à l'aide de moyens de fabrication permettant d'assurer des cadences de production élevées. En outre, elle permet d'éviter d'avoir à organiser pour ces moyens de fixation un circuit de distribution, distinct de . celui des panneaux. Par contre, elle souffre d'un inconvénient important dû au fait que les panneaux équipés de moyens d'ancrage en saillie deviennent difficilement stockables et manipulables. C'est la raison pour laquelle on a proposé des dispositifs d'ancrage articulés, pouvant se rabattre contre les panneaux, lors du stockage et des transports, et pouvant prendre une position déployée lors de l'utilisation des panneaux. Il s'agit d'une solution plus coûteuse et moins efficace du fait que la contrainte due à l'articulation et au basculement ne permet pas l'utilisation des formes les mieux adaptées pour obtenir un bon ancrage.In principle, the first solution makes it possible to offer a ready-to-use product at a more attractive price since it is manufactured in the factory using manufacturing means allowing high production rates to be ensured. In addition, it avoids having to organize for these fixing means a distribution circuit, separate from. that of the panels. On the other hand, it suffers from an important drawback due to the fact that the panels fitted with projecting anchoring means become difficult to store and handle. This is the reason why articulated anchoring devices have been proposed, which can be folded back against the panels, during storage and transport, and which can take a deployed position when the panels are used. It is a more expensive and less effective solution because the stress due to articulation and tilting does not allow the use of the most suitable forms to obtain a good anchorage.
C'est la raison pour laquelle on préfère souvent la deuxième solution. A cet effet, on utilise des dispositifs d'ancrage se présentant sous la forme de ressorts hélicoïdaux que l'on visse partiellement dans les panneaux d'isolation, la partie qui émerge du coffrage étant utilisée pour assurer l'ancrage.This is the reason why the second solution is often preferred. For this purpose, anchoring devices are used which are in the form of helical springs which are partially screwed into the insulation panels, the part which emerges from the formwork being used for anchoring.
L'invention a pour but une solution qui cumule les avantages des deux solutions précédemment évoquées sans en comprendre les inconvénients.The object of the invention is to provide a solution which combines the advantages of the two solutions mentioned above without understanding the disadvantages.
Elle propose, à cet effet, un dispositif d'ancrage se présentant sous la forme d'un ressort hélicoïdal comprenant une première partie qui s'inscrit dans une forme sensiblement cylindrique et qui est destinée à venir se visser dans le panneau d'isolation, et une seconde partie qui s'inscrit dans une forme sensiblement conique et qui prolonge la première partie en s'évasant, cette seconde partie étant destinée à s'ancrer dans la paroi au moment du moulage.To this end, it proposes an anchoring device in the form of a helical spring comprising a first part which fits into a substantially cylindrical shape and which is intended to be screwed into the insulation panel, and a second part which is inscribed in a substantially conical shape and which extends the first part by flaring, this second part being intended to s' anchor in the wall at the time of molding.
Cette solution s'avère particulièrement avantageuse pour les raisons suivantes :This solution is particularly advantageous for the following reasons:
Elle permet un montage en usine des dispositifs de fixation sur les panneaux sans que cela présente un inconvénient pour le stockage et les manipulations des panneaux. En effet, à l'état comprimé, la forme conique de la partie dépassante du panneau ne présente qu'une très faible épaisseur (celle du fil utilisé pour la réalisation du ressort). Ainsi, les panneaux peuvent être superposés sans perte de place. Par ailleurs, compte tenu du fait que la raideur du ressort est fonction du diamètre des spires, l'effort pour comprimer la partie conique du ressort sera relativement faible. Il en est de même en ce qui concerne l'action de poinçonnement du ressort sur le panneau qui le comprime lors d'une superposition. En outre, en raison du diamètre relativement important de la dernière spire de la partie conique du ressort, les risques de détérioration de ce panneau sont minimes. Un autre avantage de cette solution consiste en ce que dans un empilage de panneaux, le panneau le plus élevé de la pile se trouve légèrement surélevé par l'action des ressorts, les autres panneaux demeurant correctement empilés. Cette légère surélévation du panneau permet aux manutentionnaires de passer leurs doigts sous le panneau et d'obtenir de bonnes prises. La manutention des panneaux se trouve donc considérablement facilitée.It allows factory mounting of the fastening devices on the panels without this having a drawback for the storage and handling of the panels. Indeed, in the compressed state, the conical shape of the projecting part of the panel has only a very small thickness (that of the wire used for the production of the spring). Thus, the panels can be stacked without losing space. Furthermore, given the fact that the stiffness of the spring is a function of the diameter of the turns, the effort to compress the conical part of the spring will be relatively low. It is the same with regard to the punching action of the spring on the panel which compresses it during superposition. In addition, due to the relatively large diameter of the last turn of the conical part of the spring, the risk of damage to this panel is minimal. Another advantage of this solution is that in a stack of panels, the highest panel of the stack is slightly raised by the action of the springs, the other panels remaining correctly stacked. This slight elevation of the panel allows the handlers to run their fingers under the panel and get good grips. The handling of the panels is therefore considerably facilitated.
Par ailleurs, la présence de la partie conique du ressort facilite le vissage du dispositif dans les panneaux, qu'il s'agisse d'un vissage sur le site ou d'un vissage en usine : Cette partie conique permet une meilleure prise à la main et une meilleure tenue lorsqu'on utilise un outil de vissage. Avantageusement, au niveau de la jonction entre les deux parties du ressort, la spire de la partie conique pourra présenter un diamètre plus important que celui des spires de la partie cylindrique, de manière à ce que l'on obtienne au niveau de cette jonction l'équivalent d'un epaulement. Ainsi, en fin de vissage, cet epaulement viendra en butée sur la face extérieure du panneau en stoppant le vissage. L'opérateur n'aura donc plus à se soucier de la profondeur de vissage.Furthermore, the presence of the conical part of the spring facilitates the screwing of the device in the panels, whether it is a screwing on the site or a screwing in the factory: This conical part allows a better grip to the hand and better grip when using a screwing tool. Advantageously, at the junction between the two parts of the spring, the turn of the conical part may have a larger diameter than that of the turns of the cylindrical part, so that one obtains at this junction l 'equivalent of a shoulder. Thus, at the end of screwing, this shoulder will come into abutment on the outside face of the panel while stopping screwing. The operator will no longer have to worry about the screwing depth.
Un mode d'exécution de l'invention sera décrit ci-après, à titre d'exemple non limitatif, avec référence aux dessins annexés dans lesquels :An embodiment of the invention will be described below, by way of nonlimiting example, with reference to the appended drawings in which:
La figure 1 est une vue en élévation d'un dispositif d'ancrage selon l'invention ;Figure 1 is an elevational view of an anchoring device according to the invention;
La figure 2 est une coupe verticale schématique illustrant le principe de la fixation de panneaux d'isolation en plafond à l'aide de dispositifs d'ancrage tel que celui illustré sur la figure 1 ;Figure 2 is a schematic vertical section illustrating the principle of fixing ceiling insulation panels using anchoring devices such as that illustrated in Figure 1;
La figure 3 est une coupe schématique d'un empilage de panneaux d'isolation équipés de dispositifs d'ancrage ;Figure 3 is a schematic sectional view of a stack of insulation panels fitted with anchoring devices;
La figure 4 est une coupe axiale d'une cloche de vissage utilisée pour la fixation des dispositifs d'ancrage.Figure 4 is an axial section of a screw cap used for fixing the anchoring devices.
Dans cet exemple, le dispositif d'ancrage 1 consiste en un ressort hélicoïdal comprenant deux parties, à savoir :In this example, the anchoring device 1 consists of a helical spring comprising two parts, namely:
- une première partie 2 dont la forme s'inscrit dans un cylindre, cette première partie étant destinée à venir se visser dans un panneau d'isolation, et - une deuxième partie 3 qui prolonge la première partie 2 en s'évasant, cette deuxième partie 3 s'inscrivant dans un cône.a first part 2, the shape of which is inscribed in a cylinder, this first part being intended to be screwed into an insulation panel, and - A second part 3 which extends the first part 2 by flaring, this second part 3 being part of a cone.
Au niveau de la jonction, la première spire de la deuxième partie 3 présente un diamètre notablement plus grand que celui de la première partie 2. La jonction entre les deux parties est réalisée grâce à un tronçon de fil 4 qui s'étend radialement (à l'image d'un epaulement).At the junction, the first turn of the second part 3 has a significantly larger diameter than that of the first part 2. The junction between the two parts is achieved by a section of wire 4 which extends radially (at the image of a shoulder).
Ce ressort 1 pourra être avantageusement réalisé en un fil d'acier galvanisé ou inoxydable ou en polymère.This spring 1 could advantageously be made of galvanized or stainless steel wire or of polymer.
Comme précédemment mentionné, la mise en place des panneaux dotés de leurs dispositifs de fixation s'effectue en fond de coffrage, avant le ferraillage et le coulage du plancher.As previously mentioned, the panels fitted with their fixing devices are installed at the bottom of the formwork, before the reinforcement and the pouring of the floor.
Comme illustré sur la figure 2, les panneaux P P2 sont posés à plat sur une table de coffrage horizontale TC montée sur une structure de support constituée ici par des pieds droits PS (partiellement représentés). Les ressorts 1 qui constituent les dispositifs de fixation sont vissés sur la paroi supérieure des panneaux (ici le panneau P de telle façon que seule la deuxième partie 3 (conique) soit en saillie par rapport à ladite paroi.As illustrated in FIG. 2, the panels PP 2 are laid flat on a horizontal formwork table TC mounted on a support structure constituted here by straight feet PS (partially shown). The springs 1 which constitute the fastening devices are screwed onto the upper wall of the panels (here the panel P so that only the second part 3 (conical) protrudes relative to said wall.
Une fois les panneaux Pl5 P2 posés sur la table de coffrage TC, l'opérateur pose les armatures métalliques AM (ferraillage) puis procède au coulage du plancher PL, par exemple avec du béton, jusqu'à ce que le niveau souhaité soit atteint.Once the P l5 P 2 panels have been placed on the TC formwork table, the operator installs the metal reinforcements AM (reinforcement) and then proceeds to pour the PL floor, for example with concrete, until the desired level is achieved.
Après la prise du béton, l'opérateur peut retirer la table de coffrage TC ainsi que sa structure support PS. Les panneaux d'isolation, fixés par les dispositifs d'ancrage 1, demeurent alors suspendus au plafond. Le vissage des dispositifs d'ancrage 1 peut être effectué en usine ou même sur le site juste avant la pose des panneaux Pl5 P2.After the concrete has set, the operator can remove the TC formwork table and its PS support structure. The insulation panels, fixed by the anchoring devices 1, then remain suspended from the ceiling. The anchoring devices 1 can be screwed in at the factory or even on site just before installing the P 15 P 2 panels.
Dans le cas où le vissage s'effectue en usine, les panneaux Pl5 P2, P3, équipés de dispositifs d'ancrage, peuvent être facilement empilés en vue de leur stockage et de leur transport (figure 3).In the case of screwing in the factory, the panels P 15 P 2 , P 3 , fitted with anchoring devices, can be easily stacked for storage and transport (Figure 3).
Dans ce cas, sous le poids des panneaux empilés, les parties coniques 3 des ressorts se compriment pour ne présenter qu'une hauteur négligeable (le diamètre du fil du ressort) seul le panneau Pi situé au sommet de la pile se trouve légèrement surélevé (le poids du panneau n'étant pas suffisant pour obtenir une compression totale). Comme précédemment mentionné, cette légère surélévation ne constitue pas un inconvénient mais, au contraire, facilite considérablement les manipulations des panneaux.In this case, under the weight of the stacked panels, the conical parts 3 of the springs compress so as to have only a negligible height (the diameter of the spring wire) only the panel Pi located at the top of the stack is slightly raised ( the weight of the panel is not sufficient to obtain total compression). As previously mentioned, this slight elevation does not constitute a drawback but, on the contrary, considerably facilitates the handling of the panels.
Le vissage des dispositifs d'ancrage précédemment décrits peut s'effectuer à la main ou à l'aide d'un appareil de vissage : En effet, sa forme se prête parfaitement bien à ces deux modes de vissage.The screwing of the anchoring devices described above can be carried out by hand or using a screwing device: Indeed, its shape lends itself perfectly well to these two screwing modes.
La figure 4 montre une cloche de vissage 6 pouvant se monter dans le mandrin d'une visseuse classique.Figure 4 shows a screw cap 6 which can be mounted in the mandrel of a conventional screwdriver.
Cette cloche de vissage 6 comprend un corps tubulaire 7 ouvert dans sa partie inférieure et terminé dans sa partie supérieure par un fond 8 prolongé par une tige coaxiale 9 apte à venir s'engager dans le mandrin de la visseuse.This screwing bell 6 comprises a tubular body 7 open in its lower part and finished in its upper part by a bottom 8 extended by a coaxial rod 9 capable of coming to engage in the mandrel of the screwdriver.
Elle porte un disque coaxial 10 solidaire du corps 7 dont le diamètre est légèrement supérieur au diamètre de la plus grande spire de la partie 3 du ressort. La face inférieure du disque comprend une cavité (gorge) annulaire coaxiale 11 de diamètre sensiblement égal à celui de ladite spire. Cette cavité 11 comprend une protubérance destinée à venir en butée sur rextrémité du ressort de manière à pouvoir l'entraîner en rotation.It carries a coaxial disc 10 secured to the body 7, the diameter of which is slightly greater than the diameter of the largest turn of part 3 of the spring. The underside of the disc comprises an annular coaxial cavity (groove 11) of diameter substantially equal to that of said coil. This cavity 11 comprises a protuberance intended to come into abutment on the end of the spring so as to be able to drive it in rotation.
Dans la cavité cylindrique 12 du corps tabulaire 7 est monté axialement coulissant un noyau 13 de diamètre sensiblement égal au diamètre intérieur de la partie cylindrique 2 du ressort.In the cylindrical cavity 12 of the tabular body 7 is axially slidingly mounted a core 13 of diameter substantially equal to the inside diameter of the cylindrical part 2 of the spring.
Ce noyau 13 est sollicité par un ressort 14 de manière à prendre naturellement une position déployée dans laquelle il ressort à l'extérieur du corps 7 sur une longueur sensiblement égale à celle de la partie cylindrique 2 du ressort, position dans laquelle il se trouve retenu grâce à une butée fin de course (ici une vis pointeau 15 qui s'engage dans une gorge axiale 16 du noyau 13).This core 13 is biased by a spring 14 so as to naturally assume a deployed position in which it emerges outside the body 7 over a length substantially equal to that of the cylindrical part 2 of the spring, position in which it is retained. thanks to a limit stop (here a needle screw 15 which engages in an axial groove 16 of the core 13).
Avantageusement, la distance comprise entre le fond de la cavité annulaire 11 et l'extrémité inférieure du corps 7 est sensiblement égale à la hauteur de la partie conique 3 du ressort. Une encoche radiale 17 formée sur l'extrémité inférieure du corps 7 permet le passage du tronçon radial 4 de fil du ressort ainsi que son entraînement en rotation.Advantageously, the distance between the bottom of the annular cavity 11 and the lower end of the body 7 is substantially equal to the height of the conical part 3 of the spring. A radial notch 17 formed on the lower end of the body 7 allows the passage of the radial section 4 of the spring wire as well as its drive in rotation.
Grâce à ces dispositions, le ressort se trouve guidé (notamment par le noyau 13) et entraîné en rotation par la cloche de vissage.Thanks to these provisions, the spring is guided (in particular by the core 13) and driven in rotation by the screwing bell.
Au cours du vissage, le noyau 13 retenu par la face supérieure du panneau Pi rentre progressivement dans le corps 7, contre l'action du ressort 14.During the screwing, the core 13 retained by the upper face of the panel Pi gradually enters the body 7, against the action of the spring 14.
En fin de vissage, l'extrémité inférieure du corps 7 ainsi que le tronçon horizontal du ressort viennent buter contre le panneau Pi et provoquent la fin du vissage. Avantageusement, l'extrémité inférieure du noyau 13 pourra présenter une forme conique. At the end of screwing, the lower end of the body 7 and the horizontal section of the spring abut against the panel Pi and cause the end of the screwing. Advantageously, the lower end of the core 13 may have a conical shape.

Claims

Revendications claims
1. Dispositif pour l'ancrage d'un revêtement (Pls P2) sur une paroi moulée (PL), caractérisé en ce qu'il comprend un ressort hélicoïdal comportant une première partie (2) qui s'inscrit dans une forme sensiblement cylindrique et qui est destinée à venir se visser dans le revêtement (Pl5 P2), et une deuxième partie (P3) qui s'inscrit dans une forme sensiblement conique et qui prolonge la première partie (P2) en s'évasant, cette seconde partie (P3) étant destinée à s'ancrer dans la paroi (PL) au moment du moulage.1. Device for anchoring a covering (P ls P 2 ) on a diaphragm wall (PL), characterized in that it comprises a helical spring comprising a first part (2) which fits in a substantially shaped cylindrical and which is intended to be screwed into the coating (P l5 P 2 ), and a second part (P 3 ) which is inscribed in a substantially conical shape and which extends the first part (P 2 ) by flaring , this second part (P 3 ) being intended to be anchored in the wall (PL) at the time of molding.
2. Dispositif selon la revendication 1, caractérisé en ce qu'au niveau de la jonction" entre les deux parties du ressort, la spire de la partie conique présente un diamètre plus important que celui des spires de la partie cylindrique.2. Device according to claim 1, characterized in that at the junction " between the two parts of the spring, the turn of the conical part has a larger diameter than that of the turns of the cylindrical part.
3. Dispositif selon la revendication 2, caractérisé en ce que la jonction entre les deux parties (2, 3) est réalisée grâce à un tronçon de fil (4) qui s'étend radialement.3. Device according to claim 2, characterized in that the junction between the two parts (2, 3) is achieved by a section of wire (4) which extends radially.
4. Dispositif selon l'une des revendications précédentes, caractérisé en ce qu'il comprend une cloche de vissage (6) comportant un corps tabulaire (7) ouvert dans sa partie inférieure et terminé dans sa partie supérieure par un fond (8) prolongé par une tige coaxiale (9) apte à venir s'engager dans le mandrin de la visseuse et un disque coaxial (10) solidaire du corps (7) dont le diamètre est légèrement supérieur au diamètre de la plus grande spire du ressort, la face inférieure de ce disque (10) comprenant une cavité annulaire coaxiale (11) munie d'une butée d'entraînement en rotation de l'extrémité du ressort. 4. Device according to one of the preceding claims, characterized in that it comprises a screwing bell (6) comprising a tabular body (7) open in its lower part and terminated in its upper part by a bottom (8) extended by a coaxial rod (9) capable of coming to engage in the mandrel of the screwdriver and a coaxial disc (10) secured to the body (7) whose diameter is slightly greater than the diameter of the largest turn of the spring, the face lower of this disc (10) comprising a coaxial annular cavity (11) provided with a stop for rotating the end of the spring.
5. Dispositif selon la revendication 4, caractérisé en ce que la distance comprise entre le fond de la cavité annulaire (11) et l'extrémité inférieure du corps (7) est sensiblement égale à la hauteur de la partie conique (2) du ressort.5. Device according to claim 4, characterized in that the distance between the bottom of the annular cavity (11) and the lower end of the body (7) is substantially equal to the height of the conical part (2) of the spring .
6. Dispositif selon l'une des revendications 4 et 5, caractérisé en ce que dans la cavité cylindrique du corps (7) est monté axialement coulissant un noyau (13) de diamètre sensiblement égal au diamètre intérieur de la partie cylindrique (2) du ressort, et en ce que ce noyau (13) est sollicité par un ressort (14) de manière à prendre une position déployée dans laquelle il ressort du corps (7) sur une longueur sensiblement égale à celle de la partie cylindrique (2) du ressort, position dans laquelle il se trouve retenu grâce à une butée fin de course (15).6. Device according to one of claims 4 and 5, characterized in that in the cylindrical cavity of the body (7) is axially slidingly mounted a core (13) of diameter substantially equal to the internal diameter of the cylindrical part (2) of the spring, and in that this core (13) is biased by a spring (14) so as to assume a deployed position in which it emerges from the body (7) over a length substantially equal to that of the cylindrical part (2) of the spring, position in which it is retained by means of a limit stop (15).
7. Dispositif selon l'une des revendications 4 à 6, caractérisé en ce que l'extrémité inférieure du corps (7) comprend une encoche radiale (17) permettant le passage du susdit tronçon radial de fil (4).7. Device according to one of claims 4 to 6, characterized in that the lower end of the body (7) comprises a radial notch (17) allowing the passage of the aforesaid radial section of wire (4).
8. Panneau isolant, notamment en laine minérale, caractérisé en ce qu'il comprend des dispositifs d'ancrage selon l'une des revendications précédentes partiellement vissés dans ledit panneau (Pl5 P2).8. Insulating panel, in particular mineral wool, characterized in that it comprises anchoring devices according to one of the preceding claims partially screwed into said panel (P l5 P 2 ).
9. Panneau selon la revendication 8, caractérisé en ce que les dispositifs d'ancrage sont vissés de telle façon que seule leur deuxième partie (3) soit en saillie par rapport à la face extérieure du panneau (Pi, P ).9. Panel according to claim 8, characterized in that the anchoring devices are screwed so that only their second part (3) protrudes relative to the outer face of the panel (Pi, P).
10. Panneau selon la revendication 9, caractérisé en ce que le poids du panneau est tel que, lorsque plusieurs panneaux sont empilés, les parties coniques (3) des dispositifs d'ancrage se compriment pour présenter une hauteur égale au diamètre du fil du ressort, seul le panneau (Pi) situé au sommet de la pile étant légèrement surélevé et permettant de passer les doigts sous ce panneau.10. Panel according to claim 9, characterized in that the weight of the panel is such that, when several panels are stacked, the conical parts (3) of the anchoring devices compress to have a height equal to the diameter of the spring wire , only the panel (Pi) located at the top of the stack being slightly raised and allowing fingers to pass under this panel.
11. Procédé pour réaliser un panneau selon l'une des revendications 8 à 10, dans lequel on visse les dispositifs d'ancrage jusqu'à ce qu'un epaulement11. Method for producing a panel according to one of claims 8 to 10, in which the anchoring devices are screwed until a shoulder
(4) formé entre les deux parties (2, 3) vienne en butée sur la face extérieure du panneau.(4) formed between the two parts (2, 3) comes into abutment on the outer face of the panel.
12. Outil pour visser dans un panneau isolant un dispositif d'ancrage selon l'une des revendications 1 à 3, comprenant un corps tabulaire (7) ouvert à sa partie inférieure et présentant un fond (8) à sa partie supérieure, des moyens de liaison (9) propres à coopérer avec une visseuse pour entraînement en rotation de l'outil, des moyens de transmission (10, 11, 17) pour transmettre le mouvement de rotation de l'outil au dispositif d'ancrage, et un noyau (13) monté axialement coulissant dans le corps tabulaire (7), de diamètre sensiblement égal au diamètre intérieur de ladite deuxième partie (2) et propre à s'avancer à l'extérieur du corps sous l'action d'un ressort (14).12. Tool for screwing into an insulating panel an anchoring device according to one of claims 1 to 3, comprising a tabular body (7) open at its lower part and having a bottom (8) at its upper part, means connecting (9) adapted to cooperate with a screwdriver for driving the tool in rotation, transmission means (10, 11, 17) for transmitting the rotational movement of the tool to the anchoring device, and a core (13) mounted axially sliding in the tabular body (7), of diameter substantially equal to the inside diameter of said second part (2) and suitable for advancing outside the body under the action of a spring (14 ).
13. Outil selon la revendication 12, dans lequel les moyens de transmission sont propres à coopérer avec l'extrémité de la plus grande spire de ladite deuxième partie (3) et/ou avec un tronçon (4) disposé entre les deux parties (2, 3) du dispositif d'ancrage.13. Tool according to claim 12, wherein the transmission means are adapted to cooperate with the end of the largest turn of said second part (3) and / or with a section (4) disposed between the two parts (2 , 3) of the anchoring device.
14. Outil selon la revendication 13, dans lequel les moyens de transmission comprennent un disque (10) coaxial au corps (7) et solidaire de celui-ci, présentant une gorge annulaire (11) propre à recevoir ladite plus grande spire et contenant une protubérance propre à venir en butée sur l'extrémité de celle-ci, et/ou une encoche radiale (17) formée sur l'extrémité inférieure du corps (7) et propre à recevoir ledit tronçon (4). 14. Tool according to claim 13, in which the transmission means comprise a disc (10) coaxial with the body (7) and integral with the latter, having an annular groove (11) suitable for receiving said largest turn and containing a clean protrusion coming into abutment on the end thereof, and / or a radial notch (17) formed on the lower end of the body (7) and suitable for receiving said section (4).
EP03758199A 2002-08-08 2003-08-01 Device for anchoring a covering panel on a moulded wall Expired - Lifetime EP1529140B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0210233 2002-08-08
FR0210233A FR2843413B1 (en) 2002-08-08 2002-08-08 DEVICE FOR ANCHORING A COATING ON A MOLDED WALL
PCT/FR2003/002452 WO2004016871A2 (en) 2002-08-08 2003-08-01 Device for anchoring a covering panel on a moulded wall

Publications (2)

Publication Number Publication Date
EP1529140A2 true EP1529140A2 (en) 2005-05-11
EP1529140B1 EP1529140B1 (en) 2009-04-29

Family

ID=30471087

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03758199A Expired - Lifetime EP1529140B1 (en) 2002-08-08 2003-08-01 Device for anchoring a covering panel on a moulded wall

Country Status (6)

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EP (1) EP1529140B1 (en)
AT (1) ATE430227T1 (en)
AU (1) AU2003274216A1 (en)
DE (1) DE60327437D1 (en)
FR (1) FR2843413B1 (en)
WO (1) WO2004016871A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010050122A1 (en) * 2010-11-03 2012-05-03 Holger Rupprecht Reinforced concrete plug and method for producing a concrete-wood composite element
FR3132816A1 (en) * 2022-02-22 2023-08-25 Aristide Boisseau Pierre Device Extracting a Solid Object Implanted in a Solid Substrate and Method of Extraction

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2054713A5 (en) * 1969-07-24 1971-05-07 Avendano Alfredo
FR2476177B1 (en) * 1980-02-18 1987-06-19 Paul Dominique DEVICE FOR FIXING SIDING PANELS WHEN MANUFACTURING CONCRETE WALLS AND HAND TOOL FOR IMPLEMENTING THE DEVICE
FR2528751A1 (en) * 1982-06-21 1983-12-23 Saint Gobain Isover Tool for driving helical fastener into fibre board - may be blind sleeve part housing fastener to limit penetration and impart rotation
FR2586053B1 (en) * 1985-08-08 1987-10-30 Cuguen Joel DEVICE FOR FIXING UNDER CONCRETE FLOOR, INSULATING PANELS USED IN THE FORMWORK, AND DEVICE FOR LAYING THE DEVICE

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2004016871A3 *

Also Published As

Publication number Publication date
FR2843413A1 (en) 2004-02-13
WO2004016871A3 (en) 2004-04-08
AU2003274216A1 (en) 2004-03-03
DE60327437D1 (en) 2009-06-10
EP1529140B1 (en) 2009-04-29
WO2004016871A2 (en) 2004-02-26
FR2843413B1 (en) 2006-01-13
AU2003274216A8 (en) 2004-03-03
ATE430227T1 (en) 2009-05-15

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