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EP2284347A1 - Method for assembling an opening upright of a metal joinery element with thermal-bridge breakage and device for implementing the method - Google Patents

Method for assembling an opening upright of a metal joinery element with thermal-bridge breakage and device for implementing the method Download PDF

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Publication number
EP2284347A1
EP2284347A1 EP10170423A EP10170423A EP2284347A1 EP 2284347 A1 EP2284347 A1 EP 2284347A1 EP 10170423 A EP10170423 A EP 10170423A EP 10170423 A EP10170423 A EP 10170423A EP 2284347 A1 EP2284347 A1 EP 2284347A1
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EP
European Patent Office
Prior art keywords
outer metal
profile
tie rod
metal profile
metal section
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.)
Withdrawn
Application number
EP10170423A
Other languages
German (de)
French (fr)
Inventor
Amandio Garrido
Pierre Hervé Damme
Richard Yezeguelian
Christian Zaccariotto
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.)
Norsk Hydro ASA
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Norsk Hydro ASA
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 Norsk Hydro ASA filed Critical Norsk Hydro ASA
Publication of EP2284347A1 publication Critical patent/EP2284347A1/en
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/04—Wing frames not characterised by the manner of movement
    • E06B3/263—Frames with special provision for insulation
    • E06B3/26301—Frames with special provision for insulation with prefabricated insulating strips between two metal section members

Definitions

  • the present invention relates to a method of assembling an opening member of a thermal breaker metal joinery, and more particularly to such a method comprising a step of assembling an inner metal profile to a metal profile outside the door. using at least one assembly strip of thermally insulating material.
  • the document FR 2861764 has proposed a solution to this problem, which consists in providing the inner or outer body of the amount comprising the inner and outer profiles, of a material different from that of the outer or inner body respectively, to allow a reduction of the differential expansion between the inner and outer bodies.
  • EP 0 931 901 which relates to a frame structure, such as a window frame, facade structure or the like, lying in a plane, composed of lengths of profiles and comprising an outer frame to be fixed to a construction, the outer frame being divided by dormers and cross members fixed or fixed in section in which plate-shaped elements, glazing type, can be mounted.
  • Some sleepers and possibly also some of the dormant amounts are fixed in the outer frame and are provided with clamping means extending therethrough, adopting the form of clamp type clamping means, including prestressing bars which traverse a set of sections and lengths sleepers / dormant constituting the entire frame structure, aiming to increase the static strength of this structure.
  • a bar is introduced into each of the inner and outer profiles of a plurality of aligned thermal break profiles constituting the dormant structure.
  • the prestressing bars are tightened on the sides at the ends of the frame structure.
  • the present invention proposes a solution that addresses the problem of differential expansion of a thermal break profile constituting an opening amount of a metal joinery, improving the technologies of the prior art, notably offering possibilities of use and additional application.
  • the invention firstly relates to a method of assembling an opening amount of a metal joinery thermal break, comprising a step of assembling an inner metal section to a profile external metal using at least one assembly strip of thermally insulating material, constituting said opening, characterized in that it further comprises a step of applying a compressive prestressing force exclusively to the outer metal section between two longitudinally spaced points of said outer metal profile and engaged therewith.
  • the outer metal section constituting the opening amount which is the hot section in the case where essentially raises the problem of the invention, sees its expansion decrease, as well as the bending of the amount.
  • all the thermally conductive profiles of the upright can be made of a single material.
  • the prestressing further generates on the outer metal section a bending torque opposing its bending under the effect of thermal expansion.
  • the invention also relates to a device for implementing the method described above, this device comprising a tie rod capable of exerting the compression prestressing force to the outer metal profile, said tie rod having its ends fixed in two points. longitudinally spaced from the outer metal section.
  • said tie rod is generally disposed in a plane parallel to the plane of the outer metal profile, at a certain distance from the side opposite to that of the assembly bars and the inner metal profile, so that the prestressing force compression applied by the tie rod generates on the outer metal profile a bending torque opposing its bending under the effect of thermal expansion.
  • the device according to the invention may comprise means for adjusting the compressive prestressing force applied by the tie rod.
  • the tie rod may in particular comprise a thread at at least one of its ends, the means for adjusting the compression prestressing force comprising at least one adjustment nut cooperating with said threading to adjust the tension exerted on the tie rod between its points. fastening to the external metal profile.
  • the tie rod may be mounted between two fasteners secured to the outer metal section at said two points longitudinally spaced from said profile, said at least one adjusting nut being supported on one of said fasteners.
  • Said external metal section may comprise a part tubular of which said fasteners form end plugs.
  • said tie rod passes through an orifice formed in at least one guide bearing on said outer metal profile, said orifice having its axis offset from the fastening points of the tie rod to the outer metal profile, at a distance the opposite side to that of the assembly bars and the inner metal section.
  • FIG. 1 and 2 an opening amount of a metal joinery thermal break, for example a sliding sash amount, comprising an inner metal section 1 and an outer metal section 2 assembled by crimping in a conventional manner with the aid of two bars 3 in insulating material.
  • the inner metal section 1 is for example a conventional section of known type, as well as the insulating strips 3 used.
  • a tube 4 is made here in one piece with the outer metal section 2 outside the latter, that is to say on the side opposite to that of the assembly bars 3 and the inner metal section 1.
  • This tube opens in the example behind the ends of the section 2, as shown in FIG. figure 1 for example, to allow housing the cap 5 and the nut 8 between one end of the tube 4 and the end corresponding profile 2.
  • the tube 4 is closed at each of its ends by a plug 5.
  • Each plug 5 is pierced with an orifice 6.
  • the orifices 6 are traversed by a threaded rod 7 advantageously fixed by nuts preferably brakes 8 screwed with interposition of a washer 9 on the ends of the rod protruding from the plugs 5.
  • the plugs 5 are preferably partially embedded in the tube 4 and bear in opposition to each other on their respective ends of the tube 4, in order to be able to provide a reaction to the nuts 8 causing a tension of the threaded rod under the effect of the screwing of these nuts.
  • the body of the threaded rod 7 is further engaged in two threaded orifices 10 respectively formed in two guides 11, in the example, slidably mounted inside the tube 4.
  • the axes of the orifices 10 are offset with respect to the axes of the attachment points of the tie rod to the outer metal section 2, by a certain distance d , towards the side opposite to that of the assembly bars 3 and the inner metal profile 1, as represented on the figure 5 .
  • the threaded rod 7 is bent with its concavity inward.
  • the guides 11 are screwed onto the threaded rod 7 until they are respectively positioned in two predetermined positions as a function of the bending moment. sought as explained below, the rod then being engaged in the tube 4 by sliding.
  • the plugs 5 are placed in abutment on the ends of the tube 4 and the nuts 8 are screwed onto the ends of the rod 7.
  • the screwing of the nuts 8 causes compression prestressing in the outer section 2.
  • the degree of screwing therefore determines the adjustment of this prestressing.
  • This setting makes it possible to adapt the amount to a specific geographical environment essentially conditioned by the external temperature range to which the outer profile is subjected.
  • the nuts 8 can be hidden from view by a hood or the like (not shown) as needed.
  • the bending of the threaded rod 7 causes the arching effect, when the rod is put under tension, to press the guides 11 onto the outer profile 2, in the direction of the inner profile 1, and 3.
  • This support generates on the outer profile 2 a bending torque which opposes the bending caused by the temperature differential between the inner and outer metal profiles 1 and 2.
  • the positioning of the guides 11 on the threaded rod 7 allows the adjusting this couple.
  • the metal sections 1 and 2 are made of aluminum alloy and the steel rod 7, the compressive stress and the bending torque in the outer section 2 increase with the temperature difference between the inner metal profiles. and outside. Indeed, the coefficient of expansion of aluminum is nearly twice that of steel, so the invention allows an adaptation to the circumstances of its use.
  • the prestressing also makes it possible to envisage a threaded rod made of a material similar or identical to that of the inner and outer metal profiles for example to lighten the entire amount.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Wing Frames And Configurations (AREA)

Abstract

The method involves assembling an inner metal profile to an outer metal profile (2) by using assembling bars made of a thermally insulating material. Compressive prestressing force is applied to the outer metal profile, where force is exerted by a threaded rod (7) placed in a plane parallel to a plane of the outer metal profile at certain distance from a side opposite to that of the assembly bars and an inner outer profile. Bending moment is generated on the outer metal profile by force, where the moment is opposite to bending of rod under a thermal expansion effect. An independent claim is also included for a device for implementing a method of assembling a sliding door leaf jamb of a metallic joinery work.

Description

La présente invention concerne un procédé d'assemblage d'un montant ouvrant d'une menuiserie métallique à rupture de pont thermique, et plus particulièrement un tel procédé comprenant une étape d'assemblage d'un profilé métallique intérieur à un profilé métallique extérieur à l'aide d'au moins une barrette d'assemblage en matériau isolant thermiquement.The present invention relates to a method of assembling an opening member of a thermal breaker metal joinery, and more particularly to such a method comprising a step of assembling an inner metal profile to a metal profile outside the door. using at least one assembly strip of thermally insulating material.

De tels procédés sont bien connus dans la technique. Ils permettent de fournir des montants présentant de bonnes qualités d'isolation thermique. En effet, du fait de la présence intercalée des barrettes d'assemblage isolantes, ils limitent dans une large mesure les pertes et les transferts par conduction thermique entre les profilés intérieur et extérieur qui, suivant les conditions météorologiques, se trouvent alternativement en condition de profilé froid et de profilé chaud.Such methods are well known in the art. They allow to provide amounts with good thermal insulation qualities. Indeed, because of the presence of interposed insulating assembly bars, they limit to a large extent losses and transfers by thermal conduction between the inner and outer profiles which, depending on weather conditions, are alternately in profile condition cold and hot profile.

Il en résulte toutefois un inconvénient. Du fait de leur différence de température, les profilés intérieur et extérieur connaissent une dilatation différentielle génératrice d'un cintrage du montant, lequel peut conduire à des dysfonctionnements de l'ouvrant. Ceci est tout particulièrement le cas en été lors d'un fort ensoleillement ; la différence de température entre le profilé extérieur chaud et le profilé intérieur froid peut atteindre plusieurs dizaines de degrés, notamment avec un profilé extérieur de couleur sombre.This, however, results in a disadvantage. Because of their temperature difference, the inner and outer profiles undergo a differential expansion generating a bending of the amount, which can lead to malfunctions of the opening. This is particularly the case in summer when there is strong sunlight; the difference in temperature between the hot outer profile and the cold inner profile can reach several tens of degrees, especially with a dark exterior profile.

Le document FR 2861764 a proposé une solution à ce problème, qui consiste à doter le corps intérieur ou extérieur du montant comportant les profilés intérieur et extérieur, d'un matériau différent de celui du corps extérieur ou intérieur respectivement, en vue de permettre une réduction de la dilatation différentielle entre les corps intérieur et extérieur.The document FR 2861764 has proposed a solution to this problem, which consists in providing the inner or outer body of the amount comprising the inner and outer profiles, of a material different from that of the outer or inner body respectively, to allow a reduction of the differential expansion between the inner and outer bodies.

On connaît également le document EP 0 931 901 qui se rapporte à une structure de cadre, telle qu'un cadre de fenêtre, une structure de façade ou analogue, se trouvant dans un plan, composée de longueurs de profilés et comprenant un cadre dormant externe destiné à être fixé à une construction, ce cadre externe dormant étant divisé par des montants et des traverses dormants ou fixes en section dans lesquels des éléments en forme de plaque, du type vitrage, peuvent être montés. Certaines traverses dormantes et éventuellement également certains des montants dormants sont fixés dans le cadre externe dormant et sont munis de moyens de serrage s'étendant à travers eux, adoptant la forme de moyens de bridage de type serre-joint, comprenant des barres de précontraintes qui traversent un ensemble de sections et de longueurs de traverses/montants dormants constitutifs de l'ensemble de la structure de cadre, visant accroître la résistance statique de cette structure. Selon ce document, une barre est introduite dans chacun des profilés intérieurs et extérieurs d'une pluralité de profilés à rupture de pont thermique alignés constitutifs de la structure dormante. Le serrage des barres de précontraintes est effectué sur les côtés aux extrémités de la structure cadre.The document is also known EP 0 931 901 which relates to a frame structure, such as a window frame, facade structure or the like, lying in a plane, composed of lengths of profiles and comprising an outer frame to be fixed to a construction, the outer frame being divided by dormers and cross members fixed or fixed in section in which plate-shaped elements, glazing type, can be mounted. Some sleepers and possibly also some of the dormant amounts are fixed in the outer frame and are provided with clamping means extending therethrough, adopting the form of clamp type clamping means, including prestressing bars which traverse a set of sections and lengths sleepers / dormant constituting the entire frame structure, aiming to increase the static strength of this structure. According to this document, a bar is introduced into each of the inner and outer profiles of a plurality of aligned thermal break profiles constituting the dormant structure. The prestressing bars are tightened on the sides at the ends of the frame structure.

La présente invention propose une solution répondant au problème de dilatation différentielle d'un profilé à rupture de pont thermique constitutif d'un montant ouvrant d'une menuiserie métallique, améliorant les technologies de l'art antérieur, offrant notamment des possibilités d'utilisation et d'application supplémentaires.The present invention proposes a solution that addresses the problem of differential expansion of a thermal break profile constituting an opening amount of a metal joinery, improving the technologies of the prior art, notably offering possibilities of use and additional application.

À cet effet, l'invention a tout d'abord pour objet un procédé d'assemblage d'un montant ouvrant d'une menuiserie métallique à rupture de pont thermique, comprenant une étape d'assemblage d'un profilé métallique intérieur à un profilé métallique extérieur à l'aide d'au moins une barrette d'assemblage en matériau isolant thermiquement, constitutifs dudit ouvrant, caractérisé par le fait qu'il comprend en outre une étape consistant à appliquer un effort de précontrainte de compression exclusivement au profilé métallique extérieur entre deux points longitudinalement espacés dudit profilé métallique extérieur et en prise sur celui-ci.To this end, the invention firstly relates to a method of assembling an opening amount of a metal joinery thermal break, comprising a step of assembling an inner metal section to a profile external metal using at least one assembly strip of thermally insulating material, constituting said opening, characterized in that it further comprises a step of applying a compressive prestressing force exclusively to the outer metal section between two longitudinally spaced points of said outer metal profile and engaged therewith.

Ainsi, du fait de sa précontrainte, le profilé métallique extérieur constitutif du montant ouvrant, qui est le profilé chaud dans le cas où se pose essentiellement le problème de l'invention, voit sa dilatation diminuer, de même que le cintrage du montant.Thus, because of its prestressing, the outer metal section constituting the opening amount, which is the hot section in the case where essentially raises the problem of the invention, sees its expansion decrease, as well as the bending of the amount.

Par ailleurs, tous les profilés thermiquement conducteurs du montant peuvent être réalisés dans un matériau unique.Moreover, all the thermally conductive profiles of the upright can be made of a single material.

Dans un mode de mise en oeuvre particulier, la mise en précontrainte génère en outre sur le profilé métallique extérieur un couple de flexion s'opposant à son cintrage sous l'effet de la dilatation thermique.In a particular embodiment, the prestressing further generates on the outer metal section a bending torque opposing its bending under the effect of thermal expansion.

L'invention a également pour objet un dispositif pour la mise en oeuvre du procédé décrit ci-dessus, ce dispositif comprenant un tirant apte à exercer l'effort de précontrainte de compression au profilé métallique extérieur, ledit tirant ayant ses extrémités fixées en deux points longitudinalement espacés du profilé métallique extérieur.The invention also relates to a device for implementing the method described above, this device comprising a tie rod capable of exerting the compression prestressing force to the outer metal profile, said tie rod having its ends fixed in two points. longitudinally spaced from the outer metal section.

Dans un mode de réalisation, ledit tirant est généralement disposé dans un plan parallèle au plan du profilé métallique extérieur, à une certaine distance du côté opposé à celui des barrettes d'assemblage et du profilé métallique intérieur, de manière que l'effort de précontrainte de compression appliqué par le tirant génère sur le profilé métallique extérieur un couple de flexion s'opposant à son cintrage sous l'effet de la dilatation thermique.In one embodiment, said tie rod is generally disposed in a plane parallel to the plane of the outer metal profile, at a certain distance from the side opposite to that of the assembly bars and the inner metal profile, so that the prestressing force compression applied by the tie rod generates on the outer metal profile a bending torque opposing its bending under the effect of thermal expansion.

Plus particulièrement le dispositif selon l'invention peut comprendre des moyens de réglage de l'effort de précontrainte de compression appliqué par le tirant.More particularly, the device according to the invention may comprise means for adjusting the compressive prestressing force applied by the tie rod.

Le tirant peut en particulier comporter un filetage à au moins une de ses extrémités, les moyens de réglage de l'effort de précontrainte de compression comprenant au moins un écrou de réglage coopérant avec ledit filetage pour régler la traction exercée sur le tirant entre ses points de fixation au profilé métallique extérieur.The tie rod may in particular comprise a thread at at least one of its ends, the means for adjusting the compression prestressing force comprising at least one adjustment nut cooperating with said threading to adjust the tension exerted on the tie rod between its points. fastening to the external metal profile.

Le tirant peut être monté entre deux pièces de fixation solidaires du profilé métallique extérieur aux dits deux points longitudinalement espacés dudit profilé, ledit au moins un écrou de réglage étant en appui sur une desdites pièces de fixation.The tie rod may be mounted between two fasteners secured to the outer metal section at said two points longitudinally spaced from said profile, said at least one adjusting nut being supported on one of said fasteners.

Ledit profilé métallique extérieur peut comporter une partie tubulaire dont lesdites pièces de fixation forment des bouchons d'extrémité.Said external metal section may comprise a part tubular of which said fasteners form end plugs.

Également dans un mode de réalisation particulier, ledit tirant traverse un orifice ménagé dans au moins un guide en appui sur ledit profilé métallique extérieur, ledit orifice ayant son axe décalé par rapport aux points de fixation du tirant au profilé métallique extérieur, à une certaine distance du côté opposé à celui des barrettes d'assemblage et du profilé métallique intérieur.Also in a particular embodiment, said tie rod passes through an orifice formed in at least one guide bearing on said outer metal profile, said orifice having its axis offset from the fastening points of the tie rod to the outer metal profile, at a distance the opposite side to that of the assembly bars and the inner metal section.

On décrira maintenant, à titre d'exemple non limitatif, un mode de réalisation de l'invention en référence aux dessins schématiques annexés dans lesquels :

  • la figure 1 est une vue d'extrémité en perspective partiellement éclatée d'un montant comportant un dispositif selon l'invention ;
  • la figure 2 est une vue de bout de ce montant assemblé ;
  • la figure 3 est une vue en coupe longitudinale selon la ligne AA de la figure 2 ;
  • la figure 4 est une vue en coupe transversale selon la ligne BB de la figure 3 ;
  • la figure 5 est une vue à plus grande échelle du détail C de la figure 4.
One embodiment of the invention will now be described, by way of nonlimiting example, with reference to the appended diagrammatic drawings in which:
  • the figure 1 is a partially exploded perspective end view of an upright comprising a device according to the invention;
  • the figure 2 is an end view of this assembled amount;
  • the figure 3 is a longitudinal sectional view along the line AA of the figure 2 ;
  • the figure 4 is a cross-sectional view along line BB of the figure 3 ;
  • the figure 5 is a larger-scale view of detail C of the figure 4 .

On voit aux figures 1 et 2 un montant ouvrant d'une menuiserie métallique à rupture de pont thermique, par exemple un montant d'ouvrant coulissant, comportant un profilé métallique intérieur 1 et un profilé métallique extérieur 2 assemblés par sertissage de manière conventionnelle à l'aide de deux barrettes 3 en matériau isolant. Le profilé métallique intérieur 1 est par exemple un profilé conventionnel de type connu, ainsi que les barrettes 3 isolantes utilisées.We see Figures 1 and 2 an opening amount of a metal joinery thermal break, for example a sliding sash amount, comprising an inner metal section 1 and an outer metal section 2 assembled by crimping in a conventional manner with the aid of two bars 3 in insulating material. The inner metal section 1 is for example a conventional section of known type, as well as the insulating strips 3 used.

Un tube 4 est réalisé ici d'une seule pièce avec le profilé métallique extérieur 2 à l'extérieur de ce dernier, c'est-à-dire du côté opposé à celui des barrettes d'assemblage 3 et du profilé métallique intérieur 1. Ce tube débouche dans l'exemple en retrait des extrémités du profilé 2, comme représenté sur la figure 1 par exemple, afin de permettre de loger le bouchon 5 et l'écrou 8 entre une extrémité du tube 4 et l'extrémité correspondante du profilé 2.A tube 4 is made here in one piece with the outer metal section 2 outside the latter, that is to say on the side opposite to that of the assembly bars 3 and the inner metal section 1. This tube opens in the example behind the ends of the section 2, as shown in FIG. figure 1 for example, to allow housing the cap 5 and the nut 8 between one end of the tube 4 and the end corresponding profile 2.

Le tube 4 est fermé à chacune de ses extrémités par un bouchon 5. Chaque bouchon 5 est percé d'un orifice 6. Les orifices 6 sont traversés par une tige filetée 7 fixée avantageusement par des écrous de préférence freins 8 vissés avec interposition d'une rondelle 9 sur les extrémités de la tige dépassant des bouchons 5. Les bouchons 5 sont de préférence encastrés partiellement dans le tube 4 et prennent appui en opposition l'un de l'autre sur leurs extrémités respectives du tube 4, afin de pouvoir fournir une réaction aux écrous 8 provoquant une tension de la tige filetée sous l'effet du vissage de ces écrous.The tube 4 is closed at each of its ends by a plug 5. Each plug 5 is pierced with an orifice 6. The orifices 6 are traversed by a threaded rod 7 advantageously fixed by nuts preferably brakes 8 screwed with interposition of a washer 9 on the ends of the rod protruding from the plugs 5. The plugs 5 are preferably partially embedded in the tube 4 and bear in opposition to each other on their respective ends of the tube 4, in order to be able to provide a reaction to the nuts 8 causing a tension of the threaded rod under the effect of the screwing of these nuts.

Le corps de la tige filetée 7 est en outre engagé dans deux orifices taraudés 10 ménagés respectivement dans deux guides 11, dans l'exemple, montés coulissants à l'intérieur du tube 4.The body of the threaded rod 7 is further engaged in two threaded orifices 10 respectively formed in two guides 11, in the example, slidably mounted inside the tube 4.

Les axes des orifices 10 sont décalés par rapport aux axes des points de fixation du tirant au profilé métallique extérieur 2, d'une certaine distance d, vers le côté opposé à celui des barrettes 3 d'assemblage et du profilé métallique intérieur 1, comme représenté sur la figure 5. La tige filetée 7 est donc cintrée en présentant sa concavité vers l'intérieur.The axes of the orifices 10 are offset with respect to the axes of the attachment points of the tie rod to the outer metal section 2, by a certain distance d , towards the side opposite to that of the assembly bars 3 and the inner metal profile 1, as represented on the figure 5 . The threaded rod 7 is bent with its concavity inward.

Lors du montage, après assemblage des profilés métalliques intérieur 1 et extérieur 2 sur les barrettes isolantes 3 de manière conventionnelle, les guides 11 sont vissés sur la tige filetée 7 jusqu'à se trouver positionnés respectivement en deux endroits prédéterminés en fonction du couple de flexion recherché comme expliqué ci-dessous, la tige étant ensuite engagée dans le tube 4 par coulissement. Les bouchons 5 sont mis en place en appui sur les extrémités du tube 4 et les écrous 8 sont vissés sur les extrémités de la tige 7.During assembly, after assembly of the inner and outer metal profiles 1 and 2 on the insulating strips 3 in a conventional manner, the guides 11 are screwed onto the threaded rod 7 until they are respectively positioned in two predetermined positions as a function of the bending moment. sought as explained below, the rod then being engaged in the tube 4 by sliding. The plugs 5 are placed in abutment on the ends of the tube 4 and the nuts 8 are screwed onto the ends of the rod 7.

Le vissage des écrous 8 entraîne une précontrainte de compression dans le profilé extérieur 2. Le degré de vissage détermine donc le réglage de cette précontrainte. Ce réglage permet d'adapter le montant à un environnement géographique spécifique essentiellement conditionné par la plage de températures extérieures à laquelle le profilé extérieur est soumis. Les écrous 8 peuvent être cachés à la vue par un capot ou analogue (non représenté) selon les besoins.The screwing of the nuts 8 causes compression prestressing in the outer section 2. The degree of screwing therefore determines the adjustment of this prestressing. This setting makes it possible to adapt the amount to a specific geographical environment essentially conditioned by the external temperature range to which the outer profile is subjected. The nuts 8 can be hidden from view by a hood or the like (not shown) as needed.

Par ailleurs, le cintrage de la tige filetée 7 provoque par effet d'arc-boutement, lors de la mise en tension de la tige, une mise en appui des guides 11 sur le profilé extérieur 2, dans la direction du profilé intérieur 1 et des barrettes 3. Cet appui génère sur le profilé extérieur 2 un couple de flexion qui s'oppose au cintrage provoqué par le différentiel de température entre les profilés métalliques intérieur 1 et extérieur 2. Le positionnement des guides 11 sur la tige filetée 7 permet le réglage de ce couple.Furthermore, the bending of the threaded rod 7 causes the arching effect, when the rod is put under tension, to press the guides 11 onto the outer profile 2, in the direction of the inner profile 1, and 3. This support generates on the outer profile 2 a bending torque which opposes the bending caused by the temperature differential between the inner and outer metal profiles 1 and 2. The positioning of the guides 11 on the threaded rod 7 allows the adjusting this couple.

On observera que, si les profilés métalliques 1 et 2 sont réalisés en alliage d'aluminium et la tige 7 en acier, la contrainte de compression et le couple de flexion dans le profilé extérieur 2 augmentent avec le différentiel de température entre les profilés métalliques intérieur et extérieur. En effet, le coefficient de dilatation de l'aluminium est près de deux fois supérieur à celui de l'acier, de sorte l'invention permet une adaptation aux circonstances de son utilisation. La précontrainte permet également d'envisager une tige filetée réalisée dans un matériau similaire ou identique à celui des profilés métalliques intérieur et extérieur par exemple pour alléger l'ensemble du montant.It will be observed that, if the metal sections 1 and 2 are made of aluminum alloy and the steel rod 7, the compressive stress and the bending torque in the outer section 2 increase with the temperature difference between the inner metal profiles. and outside. Indeed, the coefficient of expansion of aluminum is nearly twice that of steel, so the invention allows an adaptation to the circumstances of its use. The prestressing also makes it possible to envisage a threaded rod made of a material similar or identical to that of the inner and outer metal profiles for example to lighten the entire amount.

Claims (9)

Procédé d'assemblage d'un montant ouvrant d'une menuiserie métallique à rupture de pont thermique, comprenant une étape d'assemblage d'un profilé métallique intérieur (1) à un profilé métallique extérieur (2) à l'aide d'au moins une barrette d'assemblage (3) en matériau isolant thermiquement, constitutifs dudit ouvrant, caractérisé par le fait qu 'il comprend en outre une étape consistant à appliquer un effort de précontrainte de compression exclusivement au profilé métallique extérieur entre deux points longitudinalement espacés dudit profilé métallique extérieur et en prise sur celui-ci.A method of assembling an opening member of a metal joinery having a thermal break, comprising a step of assembling an inner metal section (1) to an outer metal section (2) using a less an assembly strip (3) of thermally insulating material, constituting said opening, characterized in that it further comprises a step of applying a compression prestressing force exclusively to the outer metal section between two longitudinally spaced points of said external metal profile and engaged thereon. Procédé selon la revendication 1 dans lequel la mise en précontrainte génère en outre sur le profilé métallique extérieur un couple de flexion s'opposant à son cintrage sous l'effet de la dilatation thermique.The method of claim 1 wherein the prestressing further generates on the outer metal section a bending torque opposing its bending under the effect of thermal expansion. Dispositif pour la mise en oeuvre du procédé selon l'une quelconque des revendications précédentes, caractérisé par le fait qu'il comprend un tirant (7) apte à exercer l'effort de précontrainte de compression au profilé métallique extérieur, ledit tirant ayant ses extrémités fixées en deux points longitudinalement espacés du profilé métallique extérieur.Device for implementing the method according to any one of the preceding claims, characterized in that it comprises a tie rod (7) capable of exerting the compression prestressing force to the external metal profile, said tie rod having its ends fixed at two points longitudinally spaced from the outer metal section. Dispositif selon la revendication 3, dans lequel ledit tirant est généralement disposé dans un plan parallèle au plan du profilé métallique extérieur, à une certaine distance du côté opposé à celui des barrettes d'assemblage et du profilé métallique intérieur, de manière que l'effort de précontrainte de compression appliqué par le tirant génère sur le profilé métallique extérieur un couple de flexion s'opposant à son cintrage sous l'effet de la dilatation thermique.Device according to claim 3, wherein said tie rod is generally disposed in a plane parallel to the plane of the outer metal profile, at a certain distance from the opposite side to that of the assembly bars and the inner metal profile, so that the effort compressive preload applied by the tie rod generates on the outer metal profile a bending torque opposing its bending under the effect of thermal expansion. Dispositif selon l'une des revendications 3 et 4, comprenant des moyens de réglage (8) de l'effort de précontrainte de compression appliqué par le tirant.Device according to one of claims 3 and 4, comprising adjusting means (8) for the compressive prestressing force applied by the tie rod. Dispositif selon la revendication 5, dans lequel le tirant comporte un filetage à au moins une de ses extrémités, les moyens de réglage de l'effort de précontrainte de compression comprenant au moins un écrou de réglage (8) coopérant avec ledit filetage pour régler la traction exercée sur le tirant entre ses points de fixation au profilé métallique extérieur.Device according to claim 5, wherein the tie rod comprises a thread at at least one of its ends, the means for adjusting the compression prestressing force comprising at least one adjustment nut (8) cooperating with said thread to adjust the traction exerted on the tie between its attachment points to the outer metal section. Dispositif selon la revendication 6, dans lequel le tirant est monté entre deux pièces de fixation (5) solidaires du profilé métallique extérieur auxdits deux points longitudinalement espacés dudit profilé, ledit au moins un écrou de réglage (8) étant en appui sur une desdites pièces de fixation.Device according to claim 6, wherein the tie is mounted between two fasteners (5) integral with the outer metal section at said two longitudinally spaced points of said profile, said at least one adjusting nut (8) bearing on one of said parts of fixation. Dispositif selon la revendication 7, dans lequel ledit profilé métallique extérieur comporte une partie tubulaire (4) dont lesdites pièces de fixation forment des bouchons d'extrémité.Device according to claim 7, wherein said outer metal section comprises a tubular portion (4), said fasteners of which form end plugs. Dispositif selon la revendication 4, dans lequel ledit tirant traverse un orifice (10) ménagé dans au moins un guide (11) en appui sur ledit profilé métallique extérieur, ledit orifice ayant son axe décalé par rapport aux points de fixation du tirant au profilé métallique extérieur, à une certaine distance du côté opposé à celui des barrettes d'assemblage et du profilé métallique intérieur.Device according to claim 4, wherein said tie rod passes through an orifice (10) formed in at least one guide (11) resting on said outer metal profile, said orifice having its axis offset from the attachment points of the metal profile tie rod outside, at a distance from the opposite side to that of the assembly bars and the inner metal section.
EP10170423A 2009-07-31 2010-07-22 Method for assembling an opening upright of a metal joinery element with thermal-bridge breakage and device for implementing the method Withdrawn EP2284347A1 (en)

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FR0955376A FR2948720A1 (en) 2009-07-31 2009-07-31 METHOD OF ASSEMBLING AN AMOUNT OPENING OF A THERMALLY BRIDGE-BREAKING METAL JOINERY, AND DEVICE FOR IMPLEMENTING THE METHOD

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3037094A1 (en) * 2015-06-04 2016-12-09 Jean Bourly DORMANT AND / OR OPENING CHASSIS

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Publication number Priority date Publication date Assignee Title
FR2118822A5 (en) * 1970-12-16 1972-07-28 Schley Friedrich Pvc frame clamping - using material of higher expansion to compensate for ambient changes
EP0931901A2 (en) 1998-01-12 1999-07-28 H.S. Hansens Fabrikker A/S A frame construction such as a window frame, a facade construction or the like
FR2861764A1 (en) 2003-11-04 2005-05-06 Technal Thermal bridge rupturing device for fixed windows casement, has reinforcement unit made of steel having elasticity and expansion coefficients different from aluminum used to fabricate sections of inner and outer bodies of device
WO2007102177A1 (en) * 2006-03-09 2007-09-13 Goppion S.P.A. Large wize openable door for display cases

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2118822A5 (en) * 1970-12-16 1972-07-28 Schley Friedrich Pvc frame clamping - using material of higher expansion to compensate for ambient changes
EP0931901A2 (en) 1998-01-12 1999-07-28 H.S. Hansens Fabrikker A/S A frame construction such as a window frame, a facade construction or the like
FR2861764A1 (en) 2003-11-04 2005-05-06 Technal Thermal bridge rupturing device for fixed windows casement, has reinforcement unit made of steel having elasticity and expansion coefficients different from aluminum used to fabricate sections of inner and outer bodies of device
WO2007102177A1 (en) * 2006-03-09 2007-09-13 Goppion S.P.A. Large wize openable door for display cases

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3037094A1 (en) * 2015-06-04 2016-12-09 Jean Bourly DORMANT AND / OR OPENING CHASSIS
US10151138B2 (en) 2015-06-04 2018-12-11 Jean Bourly Window frame and/or opening frame

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