EP2628870A1 - Device for roof-raising of wooden beam roofs - Google Patents

Device for roof-raising of wooden beam roofs Download PDF

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Publication number
EP2628870A1
EP2628870A1 EP13155417.2A EP13155417A EP2628870A1 EP 2628870 A1 EP2628870 A1 EP 2628870A1 EP 13155417 A EP13155417 A EP 13155417A EP 2628870 A1 EP2628870 A1 EP 2628870A1
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EP
European Patent Office
Prior art keywords
solid wood
chevron
initial
new
new solid
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
EP13155417.2A
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German (de)
French (fr)
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EP2628870B1 (en
Inventor
Stéphane J. Thevenin
Monique Gissinger
Etienne Thevenin
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.)
Gissinger Monique
Thevenin Etienne
Thevenin Stephane J
Original Assignee
Gissinger Monique
Thevenin Etienne
Thevenin Stephane J
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Publication of EP2628870A1 publication Critical patent/EP2628870A1/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B7/00—Roofs; Roof construction with regard to insulation
    • E04B7/02—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
    • E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
    • E04D13/1681—Insulating of pre-existing roofs with or without ventilating arrangements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/36—Connecting; Fastening
    • E04D3/3608—Connecting; Fastening for double roof covering or overroofing

Definitions

  • the invention relates to a roof booster device.
  • the invention is particularly useful for achieving thermal insulation of buildings, especially buildings equipped with a traditional roof.
  • the invention makes it possible in particular to place an external thermal insulation system on existing roof structures or roof structures, to improve the overall thermal performance of the building without loss of living space and without carrying out work inside the building. building.
  • This external thermal insulation system is designed to reduce the thermal losses of buildings by building on the existing structure of the building.
  • the cover of tiles, slates or other roofing elements is first removed and stored for reuse.
  • the battens, counter battens and any insulation placed under the building's roof are then removed.
  • a vapor barrier is spread over the entire surface to be insulated and a first layer of insulation is installed between the initial rafters or first rafters by positioning reinforcements of banks. Fixed on the upper face of these first rafters pillar devices to support a second chevron array parallel to the first network of initial rafters of the roof.
  • These second rafters are positioned on the pillars after setting up a second layer of thermal insulation unrolled transversely, and preferably substantially perpendicular to the first insulating layer already placed between the rafters. We fix the new or second rafters on the pillars and we add the ridge of the second rafters. Then there is a third insulation layer between the second chevrons, parallel to the first insulation layer disposed between the first rafters.
  • the document EP 0 119 114 B1 discloses a device for producing blanks or double cladding by allowing hollow wave fixing to underlying failures of a pre-existing cover and comprises a load-bearing part allowing to fix an upper fault on the carrier piece by stapling stops or by screwing through said stops on flanks of the profile.
  • the document EP 0 119 114 B1 involves the realization of a double cover, because the pre-existing cover made of corrugated sheet remains in place under the new cover.
  • the document EP 0 119 114 B1 allows the renovation of industrial buildings with a structure with purlins positioned perpendicular to the slope of the roof, by mounting on the pre-existing cover of the supporting parts supporting upper metal faults with omega hollow profile.
  • a first object of the invention is to improve the known state of the art, by allowing the raising of a timber framed roof, in particular to achieve thermal insulation from the outside of the initial volume, even in the case of geometry defects of the initial framework.
  • a second object of the invention is to allow the maintenance of the pillar before fixing it permanently to the initial chevron.
  • a third object of the invention is to allow the maintenance of a thermal insulation layer by the pillar.
  • the subject of the invention is a pillar roof enhancer device, of the type comprising a lower structure forming a spacer between a first solid wood initial chevron and a new solid wood chevron, the device further comprising an upper structure for retaining the new solid wood chevron, characterized in that said lower structure has an upwardly open "V" shape, in that the lower structure has holding conformations provided with alignment means and that the holding and seating conformations on the initial solid wood rafter extend laterally to prevent the device from tilting before final attachment to the initial solid wood rafter.
  • the insulation of a house with a frame composed of rafters inclined according to the slope of the roof is performed simply and economically.
  • the old cover is indeed removed and recovered to be replaced after insulation on the frame including the new rafters, contrary to the document EP 0 119 114 B1 whose device is fixed in wave dip on the initial corrugated cover.
  • the devices according to the invention are preferably made by cutting and stamping metal strip and may have reinforcing ribs.
  • a first device embodiment according to the invention has a V-shaped lower structure (1) forming a spacer between a first initial solid wood chevron and a new solid wood chevron and has an upper structure (2) shaped support for fixing a new solid wood chevron.
  • the lower structure (1) has two faces (1a, 1b) forming the wings of the V and extending upwards from a lower face of attachment to the solid wood rafter of the initial roof.
  • the lower structure (1) comprising the attachment face and the two lateral wings (1a, 1b) is extended upwards by the upper structure generally designated by (2).
  • the upper structure designated as a whole by (2) comprises two returns (5a, 5b) preferably made in the form of shoulders and two lateral faces (2a, 2b) for fixing the new solid wood chevron.
  • the two lateral faces (2a, 2b) for fixing the new solid wood chevron comprise holes (3a, 3b, 3c, 3d) for fixing the new solid wood chevron and holes (4a, 4b) for fixing a possible hold.
  • the lower base (11) or mounting conformation on the initial solid wood chevron has holding and seating conformations (8a, 8b) on the initial solid wood chevron extending laterally to prevent the device from tilting forward the final fixation to the initial solid wood raft by screws or lag bolts.
  • the seat (11) has openings (6, 7) preferably oblong holes for geometric adjustment.
  • the conformations (8a, 8b) may also advantageously have oblong holes (9a, 9b) for adjusting and fixing the rafters to initial solid wood.
  • the conformations (8a, 8b) are optionally provided with tips or crampons of the device on the initial solid wood chevron. These points or crampons (8c, 8d) are preferably constituted by a return of the ends of the conformations (8a, 8b).
  • the upper structure (2) advantageously comprises, in addition to fixing holes (4a, 4b) of a possible wedge and holes (3a, 3b, 3c, 3d) for fixing a new or second solid wood chevron, crampons (10a, 10b, 10c, 10d) for holding the new solid wood chevron.
  • the notches (6 and 7) are made in the form of a mushroom, that is to say with a notch also extending in the transverse direction to allow a good lateral adjustment of the alignment. of the pillar before final positioning.
  • This spacer (13 ) is for example constituted by a bolt (13a) and a metal tube (13b) of appropriate length corresponding to the desired spacing of the wings of the V-shaped structure.
  • the alignment wedge A rests on the two returns (5a, 5b) preferably made in the form of shoulders of the upper structure (2).
  • the wedge (A) is attached to the device through the holes (4a, 4b), while the new solid wood chevron is fixed through the holes (3a, 3b, 3c, 3d).
  • the holes for fixing wedges and rafters made of solid wood are preferably arranged in staggered rows so as not to exert a stress on the same fiber line and to risk splitting the wood of the solid wood rafter or the wedge.
  • the device according to the invention makes it possible to fix an optional wedge (A) using the holes (4a, 4b), and also makes it possible to fix the new solid wood chevron.
  • C at least through the holes (3a, 3b, 3c, 3d).
  • the teeth (10a, 10b, 10c, 10d) preferably arranged at the top of the upper structure allow the prepositioning of the new solid wood chevron C on the pillars and in particular to determine the height and the geometry of the wedges necessary for a good seating of the new wooden herringbone.
  • teeth (10a, 10b, 10c, 10d) prepositioning the new solid wood chevron also allow the adjustment of all the pillars or intermediate pillars before their final fixation by screw or lag bolt, tip or bolt, in the means of provided for this purpose on the lower structure.
  • a third embodiment of the device according to the invention has a seat (11) in which the conformations (8a, 8b) of the original solid wood rafters are arranged in front and behind the seating surface on the initial wooden rafters.
  • a fourth device embodiment according to the invention has conformations (8a, 8b) of maintenance similar to those of the first and second embodiment of the device according to the invention, but of greater length.
  • This upper length of the conformations (8a, 8b) allows the square folding conformations (8a, 8b) to frame the flanks of the initial solid wood rafters.
  • the conformations thus produced can be folded at the square directly on the site or have folds or pre-folds made in the factory.
  • the conformations (8a, 8b) of this embodiment are advantageously provided with holes (9a, 9b) for attachment to the initial solid wood chevron in the part to be folded to the square.
  • a fifth embodiment of the device according to the invention comprises a lower structure made in two parts: a first part (14a) intended to be fixed to the initial solid wood rafter by two feet (14c, 14d) of large width and a second portion (14b) to be adjusted in height relative to this first portion (14a).
  • the fasteners of the first part (14 a) and second part (14b) between them are preferably made by mechanical assembly, for example using spacers (13) of the type described in FIG. figure 2 or by screws, bolts or self-tapping or self-drilling screws.
  • a sixth device embodiment according to the invention also comprises a lower structure made in a first portion (15a) and a second portion (15b) slidably adjustable relative to this first portion (15a).
  • the first part (15a) is fixed to the initial solid wood chevron by two central lugs (15c, 15d) of width close to that of the conformations (8a, 8b) of the Figures 1 and 2 .
  • the second portion (15b) slidably adjustable relative to this first portion (15a) is provided with two central ears (15e, 15f) of width close to that of the conformations (8a, 8b) of the Figures 1 and 2 these two central ears (15e, 15f) of width close to that of the conformations (8a, 8b) of Figures 1 and 2 ..
  • first portion (15a) and second portion (15b) can be effected using spacers, bolts, screws or self-tapping screws or self-drilling screws.
  • a seventh device embodiment according to the invention comprises a lower structure similar to the structure described with reference to FIG. figure 5 and an upper structure (2) having tabs (17a, 17b) for holding the insulating layers between the initial and new solid wood rafters.
  • tabs (17a, 17b) are advantageously provided with tip-shaped returns to ensure retention by penetration into the insulating layers disposed between the initial solid wood rafters and the new solid wood rafters.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Abstract

The device has a V-shaped lower structure (1) forming a spacer between initial and latest rafters. An upper structure (2) holds the latest rafter. The lower structure has a physical structure opened at a top, and includes holding physical structures (8a, 8b) with alignment units formed of notches (6, 7) and oblong holes (9a, 9b). The holding and base physical structures on the initial rafter are extended laterally to avoid swinging of the device before definitive fixing of the device to the initial rafter. The lower structure is provided with spikes (8c, 8d) engaged on the initial rafter.

Description

L'invention est relative à un dispositif rehausseur de toiture.The invention relates to a roof booster device.

L'invention est particulièrement utile pour réaliser une isolation thermique des bâtiments, en particulier des bâtiments équipés d'une toiture traditionnelle.The invention is particularly useful for achieving thermal insulation of buildings, especially buildings equipped with a traditional roof.

L'invention permet en particulier de placer un système d'isolation thermique extérieure sur des charpentes ou des structures de toitures existantes, pour améliorer l'ensemble des performances thermiques du bâtiment sans perte de surface habitable et sans réalisation de travaux à l'intérieur du bâtiment.The invention makes it possible in particular to place an external thermal insulation system on existing roof structures or roof structures, to improve the overall thermal performance of the building without loss of living space and without carrying out work inside the building. building.

On connaît un système d'isolation thermique appelé « I.T.E. couverture » développé et fabriqué par la société FAYNOT de droit français.There is known a thermal insulation system called "I.T.E. couverture "developed and manufactured by the FAYNOT company under French law.

Ce système d'isolation thermique par l'extérieur est destiné à réduire les déperditions thermiques des bâtiments en s'appuyant sur la structure existante du bâtiment. À cet effet, on enlève tout d'abord la couverture de tuiles, d'ardoises ou d'autres éléments de couverture, et on la conserve pour la réutiliser. On enlève ensuite les liteaux, les contre-lattes et l'isolant éventuel disposés sous la couverture du bâtiment. On déroule ensuite si nécessaire un écran pare-vapeur sur toute la surface à isoler et on installe une première couche d'isolant entre les chevrons initiaux ou premiers chevrons en positionnant des renforts de rives. On fixe sur la face supérieure de ces premiers chevrons des dispositifs formant piliers pour supporter un deuxième réseau de chevrons parallèle au premier réseau de chevrons initiaux de la toiture. On positionne ces deuxièmes chevrons sur les piliers après avoir mis en place une deuxième couche d'isolant thermique déroulée transversalement, et de préférence sensiblement perpendiculairement, à la première couche d'isolant déjà mise en place entre les chevrons. On fixe les nouveaux ou deuxièmes chevrons sur les piliers et on aboute le faîtage des deuxièmes chevrons. On dispose ensuite une troisième couche d'isolation entre les deuxièmes chevrons, parallèlement à la première couche d'isolation disposée entre les premiers chevrons.This external thermal insulation system is designed to reduce the thermal losses of buildings by building on the existing structure of the building. For this purpose, the cover of tiles, slates or other roofing elements is first removed and stored for reuse. The battens, counter battens and any insulation placed under the building's roof are then removed. Then, if necessary, a vapor barrier is spread over the entire surface to be insulated and a first layer of insulation is installed between the initial rafters or first rafters by positioning reinforcements of banks. Fixed on the upper face of these first rafters pillar devices to support a second chevron array parallel to the first network of initial rafters of the roof. These second rafters are positioned on the pillars after setting up a second layer of thermal insulation unrolled transversely, and preferably substantially perpendicular to the first insulating layer already placed between the rafters. We fix the new or second rafters on the pillars and we add the ridge of the second rafters. Then there is a third insulation layer between the second chevrons, parallel to the first insulation layer disposed between the first rafters.

Ce système d'isolation thermique nécessite cependant des interventions plus nombreuses dans le cas de rénovations thermiques sur des toitures plus anciennes ou inclinées dont la géométrie de couverture est imparfaite. En effet, l'utilisation de piliers rehausseurs est difficile à mettre en oeuvre dans le cas de toitures plus anciennes ou inclinées, car les piliers ont tendance à basculer et à tomber lorsque l'utilisateur tente de les fixer au chevron initial. Dans ce cas particulier, la fixation rigide des piliers sur le chevron initial présente également des difficultés pour la mise en place des nouveaux chevrons, en cas de désalignement même faible.This thermal insulation system, however, requires more interventions in the case of thermal renovations on older or inclined roofs whose coverage geometry is imperfect. Indeed, the use of booster pillars is difficult to implement in the case of older or inclined roofs, because the pillars tend to switch and fall when the user tries to fix the initial rafter. In this particular case, the rigid attachment of the pillars on the initial chevron also presents difficulties for the introduction of the new rafters, in case of misalignment even low.

On connaît d'autres procédés utilisant des isolants rigides pour augmenter l'isolation d'une toiture. Ces autres procédés nécessitent également d'avoir des chevrons existants disposés selon une géométrie parfaite. En outre, ces autres procédés ne permettent pas d'utiliser les isolants souples habituellement utilisés en toiture et généralement moins coûteux que les isolants rigides.Other methods using rigid insulators are known to increase the insulation of a roof. These other methods also require having existing chevrons arranged in a perfect geometry. In addition, these other methods do not allow the use of flexible insulation commonly used on the roof and generally less expensive than rigid insulators.

Le document EP 0 119 114 B1 décrit un dispositif pour réaliser des couvertures ou bardages doubles en permettant une fixation en creux d'onde à des pannes sous-jacentes d'une couverture préexistante et comporte une pièce porteuse permettant de fixer une panne supérieure sur la pièce porteuse par agrafage de butées ou par vissage à travers lesdites butées sur des flancs du profilé. Le document EP 0 119 114 B1 implique la réalisation d'une double couverture, car la couverture préexistante réalisée en tôle ondulée reste en place sous la nouvelle couverture. Le document EP 0 119 114 B1 permet la rénovation de bâtiments industriels comportant une charpente à pannes positionnées perpendiculairement à la pente de la toiture, en montant sur la couverture préexistante des pièces porteuses supportant des pannes supérieures métalliques à profil en oméga creux.The document EP 0 119 114 B1 discloses a device for producing blanks or double cladding by allowing hollow wave fixing to underlying failures of a pre-existing cover and comprises a load-bearing part allowing to fix an upper fault on the carrier piece by stapling stops or by screwing through said stops on flanks of the profile. The document EP 0 119 114 B1 involves the realization of a double cover, because the pre-existing cover made of corrugated sheet remains in place under the new cover. The document EP 0 119 114 B1 allows the renovation of industrial buildings with a structure with purlins positioned perpendicular to the slope of the roof, by mounting on the pre-existing cover of the supporting parts supporting upper metal faults with omega hollow profile.

Un premier but de l'invention est de perfectionner l'état de la technique connue, en permettant le rehaussement d'une toiture à charpente en bois, en particulier pour réaliser une isolation thermique par l'extérieur du volume initial, même en cas de défauts de géométrie de la charpente initiale.A first object of the invention is to improve the known state of the art, by allowing the raising of a timber framed roof, in particular to achieve thermal insulation from the outside of the initial volume, even in the case of geometry defects of the initial framework.

Un deuxième but de l'invention est de permettre le maintien du pilier avant de le fixer définitivement au chevron initial.A second object of the invention is to allow the maintenance of the pillar before fixing it permanently to the initial chevron.

Un troisième but de l'invention est de permettre le maintien d'une couche d'isolation thermique par le pilier.A third object of the invention is to allow the maintenance of a thermal insulation layer by the pillar.

L'invention a pour objet un dispositif rehausseur de toiture formant pilier, du type comportant une structure inférieure formant entretoise entre un premier chevron initial en bois plein et un nouveau chevron en bois plein, le dispositif comportant en outre une structure supérieure de maintien du nouveau chevron en bois plein, caractérisé en combinaison par le fait que ladite structure inférieure présente une conformation en « V » ouvert vers le haut, par le fait que la structure inférieure comporte des conformations de maintien munies de moyens d'alignement et par le fait que les conformations de maintien et d'assise sur le chevron initial en bois plein s'étendent latéralement pour éviter au dispositif de basculer avant la fixation définitive au chevron initial en bois plein.The subject of the invention is a pillar roof enhancer device, of the type comprising a lower structure forming a spacer between a first solid wood initial chevron and a new solid wood chevron, the device further comprising an upper structure for retaining the new solid wood chevron, characterized in that said lower structure has an upwardly open "V" shape, in that the lower structure has holding conformations provided with alignment means and that the holding and seating conformations on the initial solid wood rafter extend laterally to prevent the device from tilting before final attachment to the initial solid wood rafter.

Grâce à l'invention, l'isolation d'une maison individuelle comportant une charpente composée de chevrons inclinés selon la pente du toit est effectuée de manière simple et économique.Thanks to the invention, the insulation of a house with a frame composed of rafters inclined according to the slope of the roof is performed simply and economically.

Grâce à l'invention, l'ancienne couverture est en effet enlevée et récupérée pour être replacée après isolation sur la charpente comportant les nouveaux chevrons, contrairement au document EP 0 119 114 B1 dont le dispositif est fixé en creux d'onde sur la couverture ondulée initiale.Thanks to the invention, the old cover is indeed removed and recovered to be replaced after insulation on the frame including the new rafters, contrary to the document EP 0 119 114 B1 whose device is fixed in wave dip on the initial corrugated cover.

Le fonctionnement de l'assemblage et la répartition des efforts sont ainsi entièrement différents de ceux du document EP 0 119 114 B1 en raison d'une implantation du dispositif selon l'invention sur la pente définie par le chevron initial incliné.The operation of the assembly and the distribution of the efforts are thus entirely different from those of the document EP 0 119 114 B1 due to an implementation of the device according to the invention on the slope defined by the inclined initial chevron.

Selon d'autres caractéristiques alternatives de l'invention :

  • la structure inférieure présente des conformations de maintien munies de moyens d'alignement permettant un réglage géométrique.
  • des moyens permettant un réglage géométrique comportent des trous, de préférence des trous oblongs
  • la structure inférieure est munie de pointes ou de crampons destinés à venir en prise sur un chevron en bois plein initial.
  • la structure inférieure présente une conformation en V.
  • la structure supérieure de montage du nouveau chevron en bois plein présente des moyens de réglage d'appui du nouveau chevron en bois plein.
  • des moyens de réglage d'appui du nouveau chevron en bois plein peuvent comporter des moyens de coulissement en translation de l'assise du nouveau chevron en bois plein.
  • des moyens de réglage d'appui du nouveau chevron en bois plein peuvent comporter des moyens de support de cale du nouveau chevron en bois plein.
  • les moyens de support de cale pour régler l'appui du nouveau chevron en bois plein présentent avantageusement des moyens de fixation de la cale.
  • la structure supérieure de montage du nouveau chevron en bois plein présente des crampons ou des dents pour un maintien provisoire du nouveau chevron en bois plein avant fixation définitive du nouveau chevron en bois plein à la structure supérieure.
According to other alternative features of the invention:
  • the lower structure has holding conformations provided with alignment means for geometric adjustment.
  • means allowing a geometric adjustment comprise holes, preferably oblong holes
  • the lower structure is provided with spikes or studs for engaging an initial solid wood raft.
  • the lower structure has a V-shaped conformation.
  • the upper mounting structure of the new solid wood chevron has support adjustment means of the new solid wood chevron.
  • support adjustment means of the new solid wood chevron may include means for sliding in translation of the seat of the new solid wood chevron.
  • support adjusting means of the new solid wood chevron may comprise wedge support means of the new solid wood chevron.
  • the wedge support means for adjusting the support of the new solid wood chevron advantageously have means for fixing the wedge.
  • the upper mounting structure of the new solid wood chevron has crampons or teeth for temporary holding of the new solid wood chevron before final fixing of the new solid wood chevron to the upper structure.

L'invention sera mieux comprise grâce à la description qui va suivre, donnée à titre d'exemple non limitatif en référence aux dessins annexés dans lesquels :

  • La figure 1 représente schématiquement une vue en perspective d'un premier mode de réalisation de dispositif selon l'invention.
  • La figure 2 représente schématiquement une vue en perspective d'un deuxième mode de réalisation de l'invention.
  • La figure 3 représente schématiquement une vue en élévation latérale illustrant la mise en oeuvre de l'invention.
  • La figure 4 représente schématiquement une vue en perspective d'un troisième mode de réalisation de dispositif selon l'invention.
  • La figure 5 représente schématiquement une vue en perspective d'un quatrième mode de réalisation de dispositif selon l'invention.
  • La figure 6 représente schématiquement une vue en perspective d'un cinquième mode de réalisation de dispositif selon l'invention.
  • La figure 7 représente schématiquement une vue en perspective d'un sixième mode de réalisation de dispositif selon l'invention.
  • La figure 8 représente schématiquement une vue en perspective d'un septième mode de réalisation de dispositif selon l'invention.
The invention will be better understood from the following description given by way of non-limiting example with reference to the accompanying drawings, in which:
  • The figure 1 schematically represents a perspective view of a first device embodiment according to the invention.
  • The figure 2 schematically represents a perspective view of a second embodiment of the invention.
  • The figure 3 schematically represents a side elevational view illustrating the implementation of the invention.
  • The figure 4 schematically represents a perspective view of a third device embodiment according to the invention.
  • The figure 5 schematically represents a perspective view of a fourth device embodiment according to the invention.
  • The figure 6 schematically represents a perspective view of a fifth device embodiment according to the invention.
  • The figure 7 schematically represents a perspective view of a sixth device embodiment according to the invention.
  • The figure 8 schematically represents a perspective view of a seventh device embodiment according to the invention.

En référence aux figures 1 à 8, les éléments identiques ou fonctionnellement équivalents sont repérés par des chiffres de référence identiques.With reference to Figures 1 to 8 identical or functionally equivalent elements are identified by identical reference numerals.

Les dispositifs selon l'invention sont réalisés de préférence par découpage et emboutissage de feuillard métallique et peuvent présenter des nervures de renfort.The devices according to the invention are preferably made by cutting and stamping metal strip and may have reinforcing ribs.

Sur la figure 1, un premier mode de réalisation de dispositif selon l'invention présente une structure inférieure (1) en forme de V formant entretoise entre un premier chevron en bois plein initial et un nouveau chevron en bois plein et présente une structure supérieure (2) en forme de support pour la fixation d'un nouveau chevron en bois plein.On the figure 1 , a first device embodiment according to the invention has a V-shaped lower structure (1) forming a spacer between a first initial solid wood chevron and a new solid wood chevron and has an upper structure (2) shaped support for fixing a new solid wood chevron.

La structure inférieure (1) présente deux faces (1a, 1b) formant les ailes du V et s'étendant vers le haut à partir d'une face inférieure de fixation au chevron en bois plein de la toiture initiale. La structure inférieure (1) comportant la face de fixation et les deux ailes latérales (1a, 1b) est prolongée vers le haut par la structure supérieure désignée dans son ensemble par (2).The lower structure (1) has two faces (1a, 1b) forming the wings of the V and extending upwards from a lower face of attachment to the solid wood rafter of the initial roof. The lower structure (1) comprising the attachment face and the two lateral wings (1a, 1b) is extended upwards by the upper structure generally designated by (2).

La structure supérieure désignée dans son ensemble par (2) comporte deux retours (5a, 5b) réalisés de préférence sous forme d'épaulements et deux faces latérales (2a, 2b) de fixation du nouveau chevron en bois plein.The upper structure designated as a whole by (2) comprises two returns (5a, 5b) preferably made in the form of shoulders and two lateral faces (2a, 2b) for fixing the new solid wood chevron.

Les deux faces latérales (2a, 2b) de fixation du nouveau chevron en bois plein comportent des trous (3a, 3b, 3c, 3d) de fixation du nouveau chevron en bois plein et des trous (4a, 4b) de fixation d'une cale éventuelle.The two lateral faces (2a, 2b) for fixing the new solid wood chevron comprise holes (3a, 3b, 3c, 3d) for fixing the new solid wood chevron and holes (4a, 4b) for fixing a possible hold.

L'assise inférieure (11) ou conformation de montage sur le chevron en bois plein initial présente des conformations (8a, 8b) de maintien et d'assise sur le chevron en bois plein initial s'étendant latéralement pour éviter au dispositif de basculer avant la fixation définitive au chevron en bois plein initial par des vis ou des tire-fonds.The lower base (11) or mounting conformation on the initial solid wood chevron has holding and seating conformations (8a, 8b) on the initial solid wood chevron extending laterally to prevent the device from tilting forward the final fixation to the initial solid wood raft by screws or lag bolts.

À cet effet, l'assise (11) comporte des ouvertures (6, 7) de préférence des trous oblongs permettant un réglage géométrique.For this purpose, the seat (11) has openings (6, 7) preferably oblong holes for geometric adjustment.

Les conformations (8a, 8b) peuvent également présenter avantageusement des trous oblongs (9a, 9b) de réglage et de fixation au chevron en bois plein initial.The conformations (8a, 8b) may also advantageously have oblong holes (9a, 9b) for adjusting and fixing the rafters to initial solid wood.

Les conformations (8a, 8b) sont éventuellement munies de pointes ou de crampons du dispositif sur le chevron en bois plein initial. Ces pointes ou crampons (8c, 8d) sont de préférence constitués par un retour des extrémités des conformations (8a, 8b).The conformations (8a, 8b) are optionally provided with tips or crampons of the device on the initial solid wood chevron. These points or crampons (8c, 8d) are preferably constituted by a return of the ends of the conformations (8a, 8b).

La structure supérieure (2) comporte avantageusement, en sus des trous de fixation (4a, 4b) d'une cale éventuelle et des trous (3a, 3b, 3c, 3d) de fixation d'un nouveau ou deuxième chevron en bois plein, des crampons (10a, 10b, 10c, 10d) de maintien du nouveau chevron en bois plein.The upper structure (2) advantageously comprises, in addition to fixing holes (4a, 4b) of a possible wedge and holes (3a, 3b, 3c, 3d) for fixing a new or second solid wood chevron, crampons (10a, 10b, 10c, 10d) for holding the new solid wood chevron.

Sur la figure 2, en référence à un deuxième mode de réalisation de dispositif selon l'invention, on dispose d'abord sur les chevrons en bois plein initiaux C une ligne de vis B pour le prépositionnement des dispositifs selon l'invention.On the figure 2 , with reference to a second device embodiment according to the invention, it is first available on the initial solid wood rafters C a screw line B for the prepositioning of the devices according to the invention.

Le fait de disposer d'abord uniquement les lignes de vis B sur les chevrons en bois plein C initiaux permet ensuite de positionner les dispositifs avant réglage par insertion des encoches (6) sur les vis B engagées dans les chevrons en bois plein initiaux C.Having at first only the screw lines B on the initial solid wood rafters C then makes it possible to position the devices before adjustment by inserting the notches (6) on the screws B engaged in the initial solid wood rafters C.

Le réglage précis des dispositifs peut ensuite être effectué grâce à des outils de contrôle géométrique. À cet effet, il est avantageux que les encoches (6 et 7) soient réalisées en forme de champignon, c'est-à-dire avec une encoche s'étendant également dans le sens transversal pour permettre un bon réglage latéral de l'alignement du pilier avant positionnement définitif.Precise device tuning can then be done using geometric control tools. For this purpose, it is advantageous that the notches (6 and 7) are made in the form of a mushroom, that is to say with a notch also extending in the transverse direction to allow a good lateral adjustment of the alignment. of the pillar before final positioning.

Dans le cas où les structures inférieures sont de grande hauteur, il est avantageux de prévoir une entretoise (13) représentée en traits pointillés, pour éviter l'écartement des ailes (2a, 2b) de la structure inférieure en V. Cette entretoise (13) est par exemple constituée d'un boulon (13a) et d'un tube métallique (13b) de longueur appropriée correspondant à l'écartement désiré des ailes de la structure en V.In the case where the lower structures are of great height, it is advantageous to provide a spacer (13) shown in dashed lines, to avoid the spacing of the wings (2a, 2b) of the lower structure V. This spacer (13 ) is for example constituted by a bolt (13a) and a metal tube (13b) of appropriate length corresponding to the desired spacing of the wings of the V-shaped structure.

Sur la figure 3, la mise en oeuvre de l'invention sur une toiture initiale dont le chevron en bois plein est fléchi est effectuée par mise en place d'une cale A d'alignement sur le dispositif du milieu.On the figure 3 , the implementation of the invention on an initial roof whose solid wood rafter is bent is carried out by placing an alignment wedge A on the device of the medium.

La cale A d'alignement repose sur les deux retours (5a, 5b) réalisés de préférence sous forme d'épaulements de la structure supérieure (2).The alignment wedge A rests on the two returns (5a, 5b) preferably made in the form of shoulders of the upper structure (2).

La cale (A) est fixée au dispositif par l'intermédiaire des trous (4a, 4b), tandis que le nouveau chevron en bois plein est fixé par l'intermédiaire des trous (3a, 3b, 3c, 3d).The wedge (A) is attached to the device through the holes (4a, 4b), while the new solid wood chevron is fixed through the holes (3a, 3b, 3c, 3d).

Les trous de fixation des cales et des chevrons en bois plein sont de préférence disposés en quinconce pour ne pas exercer un effort sur une même ligne de fibres et risquer de fendre le bois du chevron en bois plein ou de la cale.The holes for fixing wedges and rafters made of solid wood are preferably arranged in staggered rows so as not to exert a stress on the same fiber line and to risk splitting the wood of the solid wood rafter or the wedge.

Ainsi, dans le cas de toitures initiales de géométrie imparfaite, le dispositif selon l'invention permet de fixer une cale éventuelle (A) à l'aide des trous (4a, 4b), et permet également de fixer le nouveau chevron en bois plein C au moins par l'intermédiaire des trous (3a, 3b, 3c, 3d).Thus, in the case of initial roofs of imperfect geometry, the device according to the invention makes it possible to fix an optional wedge (A) using the holes (4a, 4b), and also makes it possible to fix the new solid wood chevron. C at least through the holes (3a, 3b, 3c, 3d).

Les dents (10a, 10b, 10c, 10d) disposées de préférence au sommet de la structure supérieure permettent le prépositionnement du nouveau chevron en bois plein C sur les piliers et notamment de déterminer la hauteur et la géométrie des cales nécessaires à une bonne assise du nouveau chevron en bois plein.The teeth (10a, 10b, 10c, 10d) preferably arranged at the top of the upper structure allow the prepositioning of the new solid wood chevron C on the pillars and in particular to determine the height and the geometry of the wedges necessary for a good seating of the new wooden herringbone.

Ces dents (10a, 10b, 10c, 10d) de prépositionnement du nouveau chevron en bois plein permettent également le réglage de tous les piliers ou de piliers intermédiaires avant leur fixation définitive par vis ou tire-fond, pointe ou boulon, dans les moyens de fixation prévus à cet effet sur la structure inférieure.These teeth (10a, 10b, 10c, 10d) prepositioning the new solid wood chevron also allow the adjustment of all the pillars or intermediate pillars before their final fixation by screw or lag bolt, tip or bolt, in the means of provided for this purpose on the lower structure.

Sur la figure 4, un troisième mode de réalisation de dispositif selon l'invention présente une assise (11) dans laquelle les conformations (8a, 8b) de maintien au chevron en bois plein initial sont disposées en avant et en arrière de la surface d'assise sur le chevron en bois plein initial.On the figure 4 a third embodiment of the device according to the invention has a seat (11) in which the conformations (8a, 8b) of the original solid wood rafters are arranged in front and behind the seating surface on the initial wooden rafters.

L'utilisation et la fonction des conformations (8a, 8b) de maintien sont similaires et techniquement équivalentes aux conformations (8a, 8b) de maintien décrites en référence aux figures 1 à 3.The use and function of the sustaining conformations (8a, 8b) are similar and technically equivalent to the sustaining conformations (8a, 8b) described with reference to Figures 1 to 3 .

Sur la figure 5, un quatrième mode de réalisation de dispositif selon l'invention présente des conformations (8a, 8b) de maintien similaires à celles du premier et du deuxième mode de réalisation de dispositif selon l'invention, mais d'une longueur supérieure.On the figure 5 , a fourth device embodiment according to the invention has conformations (8a, 8b) of maintenance similar to those of the first and second embodiment of the device according to the invention, but of greater length.

Cette longueur supérieure des conformations (8a, 8b) permet le pliage à l'équerre des conformations (8a, 8b) pour encadrer les flancs du chevron en bois plein initial.This upper length of the conformations (8a, 8b) allows the square folding conformations (8a, 8b) to frame the flanks of the initial solid wood rafters.

Les conformations ainsi réalisées peuvent être pliées à l'équerre directement sur le chantier ou présenter des pliages ou des prépliages réalisés en usine. Les conformations (8a, 8b) de ce mode de réalisation sont avantageusement munies de trous (9a, 9b) de fixation au chevron en bois plein initial dans la partie devant être pliée à l'équerre.The conformations thus produced can be folded at the square directly on the site or have folds or pre-folds made in the factory. The conformations (8a, 8b) of this embodiment are advantageously provided with holes (9a, 9b) for attachment to the initial solid wood chevron in the part to be folded to the square.

Sur la figure 6, un cinquième mode de réalisation de dispositif selon l'invention comporte une structure inférieure réalisée en deux parties : une première partie (14a) destinée à être fixée au chevron en bois plein initial par deux pieds (14c, 14d) de largeur importante et une deuxième partie (14b) destinée à être réglée en hauteur par rapport à cette première partie (14a).On the figure 6 , a fifth embodiment of the device according to the invention comprises a lower structure made in two parts: a first part (14a) intended to be fixed to the initial solid wood rafter by two feet (14c, 14d) of large width and a second portion (14b) to be adjusted in height relative to this first portion (14a).

Les fixations des première partie (14 a) et deuxième partie (14b) entre elles s'effectuent de préférence par assemblage mécanique, par exemple à l'aide d'entretoises (13) du genre décrit à la figure 2 ou par des vis, des boulons ou encore des vis autotaraudeuses ou autoperceuses.The fasteners of the first part (14 a) and second part (14b) between them are preferably made by mechanical assembly, for example using spacers (13) of the type described in FIG. figure 2 or by screws, bolts or self-tapping or self-drilling screws.

Sur la figure 7, un sixième mode de réalisation de dispositif selon l'invention comporte également une structure inférieure réalisée en une première partie (15a) et une deuxième partie (15b) réglable par coulissement par rapport à cette première partie (15a).On the figure 7 , a sixth device embodiment according to the invention also comprises a lower structure made in a first portion (15a) and a second portion (15b) slidably adjustable relative to this first portion (15a).

La première partie (15a) est fixée au chevron en bois plein initial par deux oreilles centrales (15c, 15d) de largeur voisine de celle des conformations (8a, 8b) des figures 1 et 2.The first part (15a) is fixed to the initial solid wood chevron by two central lugs (15c, 15d) of width close to that of the conformations (8a, 8b) of the Figures 1 and 2 .

La deuxième partie (15b) réglable par coulissement par rapport à cette première partie (15a) est munie de deux oreilles centrales (15e, 15f) de largeur voisine de celle des conformations (8a, 8b) des figures 1 et 2, ces deux oreilles centrales (15e, 15f) de largeur voisine de celle des conformations (8a, 8b) des figures 1 et 2 ..The second portion (15b) slidably adjustable relative to this first portion (15a) is provided with two central ears (15e, 15f) of width close to that of the conformations (8a, 8b) of the Figures 1 and 2 these two central ears (15e, 15f) of width close to that of the conformations (8a, 8b) of Figures 1 and 2 ..

De manière analogue, la fixation relative des première partie (15a) et deuxième partie (15b) peut s'effectuer à l'aide d'entretoises, de boulons, de vis ou encore de vis autotaraudeuses ou de vis autoperceuses.Similarly, the relative attachment of the first portion (15a) and second portion (15b) can be effected using spacers, bolts, screws or self-tapping screws or self-drilling screws.

Pour les deux modes de réalisation représentés aux figures 6 et 7, il est avantageux de prévoir une pluralité de trous et de moyens de fixation et des longueurs de coulissement adaptées au réglage en hauteur du dispositif.For the two embodiments shown in Figures 6 and 7 , it is advantageous to provide a plurality of holes and fixing means and sliding lengths adapted to the height adjustment of the device.

Sur la figure 8, un septième mode de réalisation de dispositif selon l'invention comporte une structure inférieure similaire à la structure décrite en référence à la figure 5 et une structure supérieure (2) présentant des languettes (17a, 17b) de maintien des couches isolantes entre les chevrons en bois plein initiaux et nouveaux.On the figure 8 , a seventh device embodiment according to the invention comprises a lower structure similar to the structure described with reference to FIG. figure 5 and an upper structure (2) having tabs (17a, 17b) for holding the insulating layers between the initial and new solid wood rafters.

Ces languettes (17a, 17b) sont avantageusement munies de retours en forme de pointe pour assurer un maintien par pénétration dans les couches isolantes disposées entre les chevrons en bois plein initiaux et les nouveaux chevrons en bois plein.These tabs (17a, 17b) are advantageously provided with tip-shaped returns to ensure retention by penetration into the insulating layers disposed between the initial solid wood rafters and the new solid wood rafters.

L'invention décrite en référence à plusieurs modes de réalisation, ne leur est nullement limitée, mais couvre au contraire toute modification de forme et toute variante de réalisation dans le cadre des revendications annexées.The invention described with reference to several embodiments, is not in any way limited to them, but on the contrary covers any modification of form and any variant embodiment within the scope of the appended claims.

Claims (9)

Dispositif rehausseur de toiture formant pilier, du type comportant une structure inférieure (1) formant entretoise entre un premier chevron en bois plein initial et un nouveau chevron en bois plein, le dispositif comportant en outre une structure supérieure (2) de maintien du nouveau chevron en bois plein, caractérisé en combinaison par le fait que la structure inférieure (1) présente une conformation en « V » ouvert vers le haut, par le fait que la structure inférieure (1) comporte des conformations (8a, 8b) de maintien munies de moyens (6, 7, 9a, 9b) d'alignement et par le fait que les conformations (8a, 8b) de maintien et d'assise sur le chevron en bois plein initial s'étendent latéralement pour éviter au dispositif de basculer avant la fixation définitive au chevron en bois plein initial.A pillar roof enhancer device, of the type comprising a lower structure (1) forming a spacer between a first solid wood initial chevron and a new solid wood chevron, the device further comprising an upper structure (2) for holding the new chevron made of solid wood, characterized in that the lower structure (1) has an upwardly open "V" -shaped configuration, in that the lower structure (1) has provided holding formations (8a, 8b) alignment means (6, 7, 9a, 9b) and in that the holding and seating conformations (8a, 8b) on the initial solid wood chevron extend laterally to prevent the device from tilting forward the final attachment to the initial solid wood rafters. Dispositif selon la revendication 1, caractérisé par le fait que la structure inférieure (1) présente des conformations (8a, 8b) de maintien munies de moyens (6, 7, 9a, 9b) d'alignement permettant un réglage géométrique.Device according to claim 1, characterized in that the lower structure (1) has holding conformations (8a, 8b) provided with alignment means (6, 7, 9a, 9b) for geometric adjustment. Dispositif selon la revendication 2, caractérisé par le fait que des moyens (6, 7, 9a, 9b) permettant un réglage géométrique comportent des trous, de préférence des trous oblongsDevice according to claim 2, characterized in that means (6, 7, 9a, 9b) for geometric adjustment comprise holes, preferably oblong holes. Dispositif selon la revendication 1 ou 2, caractérisé par le fait que la structure inférieure (1) est munie de pointes ou de crampons (8c, 8d) destinés à venir en prise sur un chevron en bois plein initial.Device according to claim 1 or 2, characterized in that the lower structure (1) is provided with spikes or crampons (8c, 8d) intended to engage an initial solid wood raft. Dispositif selon la revendication 1, 2 ou 3, caractérisé par le fait que la structure supérieure (2) de montage du nouveau chevron en bois plein présente des moyens de réglage d'appui du nouveau chevron en bois plein.Device according to claim 1, 2 or 3, characterized in that the upper structure (2) for mounting the new solid wood chevron has support adjustment means of the new solid wood chevron. Dispositif selon la revendication 5, caractérisé par le fait que des moyens de réglage d'appui du nouveau chevron en bois plein comportent des moyens (14a, 15a, 16a) de coulissement en translation de l'assise (14b, 15b, 16b) du nouveau chevron en bois plein.Device according to claim 5, characterized in that the support adjustment means of the new solid wood chevron comprise means (14a, 15a, 16a) for sliding in translation of the seat (14b, 15b, 16b) of the new wooden herringbone. Dispositif selon la revendication 5, caractérisé par le fait que des moyens de réglage d'appui du nouveau chevron en bois plein comportent des moyens (2a, 2b, 5a, 5b) de support de cale (A) du nouveau chevron en bois plein.Device according to claim 5, characterized in that the support adjustment means of the new solid wood chevron comprise means (2a, 2b, 5a, 5b) of wedge support (A) of the new solid wood chevron. Dispositif selon la revendication 1, caractérisé par le fait que les moyens (2a, 2b, 5a, 5b) de support de cale (A) du nouveau chevron en bois plein pour régler l'appui du nouveau chevron en bois plein présentent avantageusement des moyens de fixation (4a, 4b) de la cale (A) du nouveau chevron en bois plein.Device according to claim 1, characterized in that the means (2a, 2b, 5a, 5b) of wedge support (A) of the new solid wood chevron for adjusting the support of the new solid wood chevron advantageously have means attachment (4a, 4b) of the wedge (A) of the new solid wood chevron. Dispositif selon la revendication 1, caractérisé par le fait que la structure supérieure (2) de montage du nouveau chevron en bois plein présente des crampons (10a-10d) ou des dents pour un maintien provisoire du nouveau chevron en bois plein avant fixation définitive du nouveau chevron en bois plein à la structure supérieure (2).Device according to claim 1, characterized in that the upper structure (2) for mounting the new solid wood chevron has crampons (10a-10d) or teeth for temporary retention of the new solid wood chevron before final fixing of the new solid wood chevron with the upper structure (2).
EP13155417.2A 2012-02-17 2013-02-15 Device for roof-raising of wooden beam roofs Active EP2628870B1 (en)

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FR1251481A FR2987060B1 (en) 2012-02-17 2012-02-17 ROOF BOOSTER DEVICE

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GB2564464A (en) * 2017-07-12 2019-01-16 Home Building Supplies Ltd Rafter fitting
US11466457B2 (en) * 2019-08-13 2022-10-11 Roof Hugger, Llc Reinforced notched sub-purlin

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EP1231333A1 (en) * 2001-02-12 2002-08-14 Iscom Spa Spacer device suitable for metal roofing

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US4366659A (en) * 1978-05-15 1983-01-04 A. Park Smoot Construction member and connecting plate structure
US4160350A (en) * 1978-07-03 1979-07-10 Craib Rupert G Floor joist plate
EP0119114A2 (en) * 1983-03-11 1984-09-19 Patrick D. Thevenin Device for creating double claddings or curtain walls, and supporting parts, supports and pincers for using this device
EP0119114B1 (en) 1983-03-11 1990-01-10 Patrick D. Thevenin Device for creating double claddings or curtain walls, and supporting parts, supports and pincers for using this device
DE4029357A1 (en) * 1989-11-30 1991-06-06 Oskar Fleck Roof ridge beam of adjustable height - is supported on vertical bolts on feet of inverted V=shape
EP1231333A1 (en) * 2001-02-12 2002-08-14 Iscom Spa Spacer device suitable for metal roofing

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GB2564464A (en) * 2017-07-12 2019-01-16 Home Building Supplies Ltd Rafter fitting
GB2564464B (en) * 2017-07-12 2019-11-13 Home Building Supplies Ltd Rafter fitting for supporting a batten at a hip joint
US11466457B2 (en) * 2019-08-13 2022-10-11 Roof Hugger, Llc Reinforced notched sub-purlin
US20230036567A1 (en) * 2019-08-13 2023-02-02 Roof Hugger, Llc Reinforced notched sub-purlin
US11761212B2 (en) * 2019-08-13 2023-09-19 Roof Hugger, Llc Reinforced notched sub-purlin

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FR2987060A1 (en) 2013-08-23
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