EP1640553B1 - End cap with cavity for heat expansion of rails of roller shutter boxes, and roller shutter box provided with such end cap - Google Patents
End cap with cavity for heat expansion of rails of roller shutter boxes, and roller shutter box provided with such end cap Download PDFInfo
- Publication number
- EP1640553B1 EP1640553B1 EP20050291814 EP05291814A EP1640553B1 EP 1640553 B1 EP1640553 B1 EP 1640553B1 EP 20050291814 EP20050291814 EP 20050291814 EP 05291814 A EP05291814 A EP 05291814A EP 1640553 B1 EP1640553 B1 EP 1640553B1
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- EP
- European Patent Office
- Prior art keywords
- end cap
- rail
- tunnel
- tunnel casing
- closure device
- 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.)
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Classifications
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- 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
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/08—Roll-type closures
- E06B9/11—Roller shutters
- E06B9/17—Parts or details of roller shutters, e.g. suspension devices, shutter boxes, wicket doors, ventilation openings
- E06B9/17007—Shutter boxes; Details or component parts thereof
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- 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
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/08—Roll-type closures
- E06B9/11—Roller shutters
- E06B9/17—Parts or details of roller shutters, e.g. suspension devices, shutter boxes, wicket doors, ventilation openings
- E06B9/174—Bearings specially adapted therefor
Definitions
- the present invention relates to a shutter device as defined in the preamble of claim 1.
- a shutter device as defined in the preamble of claim 1.
- Such a device is known from the document EP-A-1323887 or document EP-A-1035297 .
- Said device is intended to close one, and preferably each, of the two lateral ends of a box-tunnel, of U-shaped cross-section returned, for rolling shutter, and a tunnel-box of the aforementioned type, intended to be integrated into the lintel of a bay of a construction and the surrounding masonry, and to house a shutter, and which is equipped with two shutter devices according to the invention.
- tunnel caissons each of which is generally formed by a shell molded of synthetic material, for example with a honeycomb structure, and consists of a vault supported by two longitudinal walls, the lower edge of each is integral with a metal profile, usually of aluminum, in the form of a rail, so that the tunnel box has a U-shaped cross-section, defining a tunnel-shaped recess, the lower part of which is open to allow to house a shutter.
- each tunnel box is closed, at each of its lateral ends, by a shutter device comprising mainly a cheek and a heel perpendicular to the cheek and projecting on the internal face of the cheek, at its base, in order to be directed inward of the corresponding lateral end of the caisson-tunnel, when the shutter device is placed in the closed position of this lateral end.
- Such a tunnel caisson is intended to be integrated, either during construction of a building, or after this construction, at the lintel of a bay, such as a window or door, provided in this construction, and therefore integrated in the surrounding masonry, as shown on the figure 1 and described with reference to this figure in the first aforementioned patent which will be referred to for further details on this subject.
- the cheek of the latter fits at least partially into said lateral end, while the corresponding heel is inserted between the two metal rails, which serve as stiffeners, and one of which, which is fixed along the lower edge of that of the two longitudinal walls of the tunnel box which is turned towards the outside of the building, ensures the outer edge of the plastering.
- a tunnel-box is generally integrated into the lintel of a bay being placed so that the outer side wall (facing the outside of the building) is aligned with the outside of the bare wall in which the bay to be equipped with a tunnel box with shutter is provided.
- this longitudinal wall is, like the surrounding rough wall, covered with a plaster.
- this metal rail usually aluminum, which ensures the outer edge of the plaster at the upper edge of the bay, is subject to temperature variations, because of its exposed position against the building facade.
- the temperature at the front of a building can oscillate between -20 ° C in winter and + 50 ° C in summer, so that this rail can undergo a difference of about 70 ° C between these maximum and minimum temperatures.
- the metal or metal alloy of this rail for example aluminum, has a physical property which, in this application, is troublesome, but inevitable, namely a coefficient of thermal expansion which is, for aluminum, 23 ⁇ per meter and per degree centigrade.
- the elongate metal section constituting this rail develops mechanical stresses in the masonry, when it is extended by thermal expansion, while being supported and blocked on the shutter devices closing the lateral ends of the tunnel box, and related to the surrounding masonry by a binder, such as a grout of concrete or cement, filling the void left to the assembly, between the outer face of this shutter device and the masonry elements, such as bricks and blocks, facing in the surrounding masonry.
- a binder such as a grout of concrete or cement
- the problem underlying the invention is to overcome this disadvantage, and to propose a shutter device, of the type presented above, which is better suited to the various requirements of the practice than those of the state of the art, in particular according to the two aforementioned patents.
- the invention proposes a shutter device, of the type presented above, and which is characterized in that the cheek has, in at least one of the two sides of its base which are facing the lateral ends of the rails, at a same lateral end of the tunnel-box, a recess forming a reservation for the thermal expansion of a tunnel-box rail, and capable of absorbing the elongation of said rail because of the temperature variations that he suffers in service.
- Such a reservation has the advantage that it accepts elongations and displacements of the corresponding end of a rail without tensioning the outer wall of the tunnel-box along the lower edge of which this rail is fixed.
- this rail usually aluminum
- the rail is cut to the same length as the tunnel box, for example using a circular saw. It is, of course, possible to shorten each of the two rails at each of its two ends, by performing, for each end concerned, a resumption of cutting operation at both ends of the tunnel box.
- the present invention proposes a simple and economical alternative by creating, in the cheek, at least one cavity to absorb the elongation of the aluminum rail due to its thermal expansion, elongation which is far from being negligible since the subwoofers can have a maximum length of the order of 3.5 m, for which there is an elongation greater than 4 mm for a temperature rise of 50 ° C.
- the invention also relates to a tunnel caisson, intended to be integrated into the lintel of a bay of a construction and the surrounding masonry, and to house a roller shutter, and having a vault supported by two longitudinal walls whose lower edge of each is integral with a metal profile, preferably aluminum, in the form of a rail, and two shutter devices, each intended to close one respectively of the two lateral ends of said tunnel box, of cross section in form U returned, each shutter device comprising a cheek, which fits into the less partially in a lateral end of the tunnel caisson, and a heel, projecting inwardly of the tunnel caisson on the base of the inner face of the cheek and substantially perpendicular to the cheek, and which fits between the two rails when the cheek is nested in the corresponding lateral end of the tunnel box, characterized in that each of the two shutter devices is a shutter device according to the invention and as presented above.
- the tunnel caisson 1 represented on the figure 1 consists of a molded shell made of a synthetic material, for example based on polystyrene, with a U-shaped cross-section, and having an arch 2 resting on two longitudinal walls or jambs 3 and 4, and this shell is delimited in length by two lateral ends, only one of which is visible on the figure 1 .
- the internal recess of tunnel caisson 1 thus has the shape of a tunnel, open downwards to allow the introduction of a shutter and a drive device of the deck of the latter in the caisson-tunnel 1, and, in this example, the vault 2 is connected to each of the longitudinal walls 3 and 4 by an upper portion of the latter which is of linear thickness decreasing from the roof 2 to the lower part of the walls 3 and 4 which is vertical and of constant thickness.
- one of the walls 3 and 4 intended to be turned towards the interior of the building, is of a thickness greater than that of the other wall 4 or 3, in order to form a thermal and acoustic insulating barrier.
- Two reinforcing profiles or aluminum rails 6 and 7 are each fixed along the lower edge of one respectively of the walls 3 and 4, overlapping the lower edge.
- the tunnel caisson 1 is intended to be integrated in the lintel, above the embrasure of a bay, such as a window or door, of a building, as well as in the surrounding masonry, in which it is in particular embedded by its two lateral ends such as 5 and the vault 2, and this so that the internal recess of the tunnel-box 1 opens into this embrasure or bay.
- a bay such as a window or door
- the surrounding masonry in which it is in particular embedded by its two lateral ends such as 5 and the vault 2, and this so that the internal recess of the tunnel-box 1 opens into this embrasure or bay.
- each closure device 8 consists mainly of a cheek 9 and a heel 10, which are intended to be mounted laterally in the corresponding lateral end such as 5 of the tunnel caisson 1, so as to close this lateral end 5 of airtight manner coming from the internal recess of the tunnel caisson 1.
- the cheek 9 consists of a plate 11 which, in the closed position of the lateral end 5, extends in a substantially vertical plane and perpendicular to the roof 2 and the walls 3 and 4.
- the cheek 9 also comprises a support edge 12, which extends perpendicularly to the plate 11 along the periphery of the latter, except at its base or lower part, so that the support rim 12, thick constant in this example, consists of an arcade 13 extended by two straight segments 14.
- the roof 2 may be semi-cylindrical, and not canted, and in this case the arch 13 has a curved shape which corresponds to that of the vault 2.
- This support edge 12 is designed to intimately fit the internal faces of the vault 2 and the longitudinal walls 3 and 4, so as to ensure the precise positioning of the cheek 9 with respect to the lateral end such as 5, when the plate 11 is embedded at least partially in the lateral end 5 and anchored in the roof 2 by teeth 15 (three teeth 15 in this example) projecting vertically in the plane of the plate 11 on the inner edge of the arch 13 of the support rim 12, these teeth 15 coming to be embedded in the synthetic material constituting the vault 2, for example a cellular or honeycomb material or structure of honeycomb.
- the plate 11 has, in its central part, housings 16 and 17 opening in its inner face, and provided for the support and attachment of a shutter axis and a maneuvering mechanism thereof, in particular .
- Two duct passages 18 are also provided in the lateral parts of the plate 11, below the housings 16 and 17 and above the heel 10, which projects on the internal face of the plate 11, at the level of the base or part lower than the latter, and which extends perpendicular to the plate 11, these two sheath passages 18, each close to one of the straight segments 14 of the support edge 12, allowing the connection of an electrical sheath standard for supplying and controlling an electric motor, in the case where the drive mechanism of the roller shutter comprises such a motor.
- the outer edge of the support edge 12 is extended, at its periphery, and in a plane parallel to that of the plate 11, by a flange 19, which therefore comprises an arcuate portion 19a and two rectilinear lateral portions 19b, of which each is in lateral projection of a straight segment 14 of the support edge 12, perpendicular to the latter.
- This flange 19 is intended to come into contact with the facing lateral end such as 5 of the tunnel caisson 1, to act as an axial stop for the shutter device 8 when it is mounted in the closed position of this lateral end 5 of the caisson. tunnel 1.
- the flange 19 also forms a tight barrier to the passage of air between the internal recess of the tunnel box 1 and, for example, an inner insulating lining of the wall in which the tunnel box 1 is integrated .
- the plate 11 of the cheek 9 is fully embedded in the lateral end 5 of the tunnel box 1, after the mounting of the shutter device 8 in the closed position.
- Each rectilinear lateral portion 19b of the collar 19 widens laterally at its lower end 19c, of shape, for example substantially trapezoidal, as shown in FIGS. Figures 1 to 3 , and a cavity 20 is formed in the inner face (turned towards the inside of the tunnel caisson 1) of this lower end 19c, so as to form a reservation capable of receiving the longitudinal end facing an aluminum rail 6 or 7, when this rail elongates by thermal expansion, because of the temperatures at which the rail 6 or 7 is carried on the facade of the building.
- the depth of the cavity 20, in the direction of the length of the rail 6 or 7, is at least equal to X / 2 of the maximum elongation X predictable for the rail 6 or 7, taking into account maximum temperatures in frontage.
- each cavity 20 is slightly greater than 2 mm.
- the cavity 20 thus makes it possible to absorb the elongation of the rail 6 or 7 opposite, and therefore the displacement of the longitudinal end of the rail 6 or 7 opposite the lower end 19c considered of the collar 19 of the cheek 9 .
- a cavity 20 is formed at each of the two lower ends such as 19c of the flange 19, the cheek 9 and therefore the device shutter 8, are reversible and can be used to close both the left-side and the right-hand end of the tunnel caisson 1.
- this cavity 20 is formed by a localized reduction in the thickness of each lower end 19c (parallel to the longitudinal direction of the rails 6 and 7), with respect to the constant thickness of the other parts 19a and 19b of the flange 19.
- This reduction in thickness at least 2 mm in the example above, is obtained during the molding of a single piece of the cheek 9, and preferably the shutter device 8 as a whole.
- a shutter device 8 With a shutter device 8 according to the invention, it avoids the tensioning of the longitudinal wall 3 or 4 which is in front, during the thermal expansion of the rail 6 or 7 at its base, and simultaneously avoids the introduction of mechanical stresses in the surrounding masonry by the thermal expansion of the rail 6 or 7 considered. This avoids the formation of micro-cracks in the plaster of the facades.
Description
La présente invention concerne un dispositif obturateur comme défini dans le préambule de la revendication 1. Un tel dispositif est connu du document
On connaît, notamment par
Après l'avoir découpé à la longueur nécessaire, légèrement supérieure à la largeur de la baie à équiper d'un volet roulant, afin de pouvoir le reposer par ses deux parties d'extrémités latérales sur les bords supérieurs de l'embrasure de la baie, chaque caisson-tunnel est fermé, à chacune de ses extrémités latérales, par un dispositif obturateur comportant principalement une joue et un talon perpendiculaire à la joue et en saillie sur la face interne de la joue, au niveau de sa base, afin d'être dirigé vers l'intérieur de l'extrémité latérale correspondante du caisson-tunnel, lorsque le dispositif obturateur est placé en position de fermeture de cette extrémité latérale.After having cut it to the required length, slightly greater than the width of the bay to be equipped with a rolling shutter, in order to be able to rest it by its two parts of lateral ends on the upper edges of the embrasure of the bay each tunnel box is closed, at each of its lateral ends, by a shutter device comprising mainly a cheek and a heel perpendicular to the cheek and projecting on the internal face of the cheek, at its base, in order to be directed inward of the corresponding lateral end of the caisson-tunnel, when the shutter device is placed in the closed position of this lateral end.
Un tel caisson-tunnel est destiné à être intégré, soit en cours de construction d'un bâtiment, soit après cette construction, au linteau d'une baie, telle qu'une fenêtre ou porte, ménagée dans cette construction, et donc intégré à la maçonnerie environnante, comme cela est représenté sur la
A la fermeture d'une extrémité latérale du caisson-tunnel par un dispositif obturateur, la joue de ce dernier s'emboîte au moins partiellement dans ladite extrémité latérale, tandis que le talon correspondant s'insère entre les deux rails métalliques, qui servent de raidisseurs, et dont l'un, celui qui est fixé le long du bord inférieur de celle des deux parois longitudinales du caisson-tunnel qui est tournée vers l'extérieur du bâtiment, assure l'arête extérieure du crépissage. En effet, un tel caisson-tunnel est généralement intégré au linteau d'une baie en étant mis en place de sorte que la paroi latérale extérieure (tournée vers l'extérieur du bâtiment) soit alignée sur le nu extérieur du mur brut dans lequel la baie à équiper d'un caisson-tunnel avec volet roulant est ménagée. En fin de construction, cette paroi longitudinale est donc, comme le mur brut environnant, revêtue d'un crépi.When closing a lateral end of the tunnel box by a shutter device, the cheek of the latter fits at least partially into said lateral end, while the corresponding heel is inserted between the two metal rails, which serve as stiffeners, and one of which, which is fixed along the lower edge of that of the two longitudinal walls of the tunnel box which is turned towards the outside of the building, ensures the outer edge of the plastering. Indeed, such a tunnel-box is generally integrated into the lintel of a bay being placed so that the outer side wall (facing the outside of the building) is aligned with the outside of the bare wall in which the bay to be equipped with a tunnel box with shutter is provided. At the end of construction, this longitudinal wall is, like the surrounding rough wall, covered with a plaster.
Or, ce rail métallique, généralement en aluminium, qui assure l'arête extérieure du crépissage au niveau du bord supérieur de la baie, est soumis à des variations de température, du fait de sa position exposée contre la façade du bâtiment.However, this metal rail, usually aluminum, which ensures the outer edge of the plaster at the upper edge of the bay, is subject to temperature variations, because of its exposed position against the building facade.
Sous les latitudes de nombreux pays européens, par exemple, la température en façade d'un bâtiment peut osciller entre -20°C en hiver et +50°C en été, de sorte que ce rail peut subir un écart d'environ 70°C entre ces températures maximum et minimum. Le métal ou alliage métallique de ce rail, par exemple l'aluminium, présente une propriété physique qui, dans cette application, est gênante, mais inévitable, à savoir un coefficient de dilatation thermique qui est, pour l'aluminium, de 23µ par mètre et par degré centigrade.In the latitudes of many European countries, for example, the temperature at the front of a building can oscillate between -20 ° C in winter and + 50 ° C in summer, so that this rail can undergo a difference of about 70 ° C between these maximum and minimum temperatures. The metal or metal alloy of this rail, for example aluminum, has a physical property which, in this application, is troublesome, but inevitable, namely a coefficient of thermal expansion which is, for aluminum, 23μ per meter and per degree centigrade.
De ce fait, le profilé métallique allongé, constituant ce rail, développe des contraintes mécaniques dans la maçonnerie, quand il s'allonge par dilatation thermique, tout en étant appuyé et bloqué sur les dispositifs obturateurs fermant les extrémités latérales du caisson-tunnel, et liés à la maçonnerie environnante par un liant, tel qu'un coulis de béton ou de ciment, remplissant le vide laissé au montage, entre la face externe de ce dispositif obturateur et les éléments de maçonnerie, tels que briques et parpaings, en regard dans la maçonnerie environnante. En conséquence, le rail dilaté déforme la partie extérieure du caisson-tunnel, et, par réaction, les tensions ainsi développées finissent, au cours du temps, à créer des micro-fissures dans le crépi des façades des bâtiments.As a result, the elongate metal section constituting this rail develops mechanical stresses in the masonry, when it is extended by thermal expansion, while being supported and blocked on the shutter devices closing the lateral ends of the tunnel box, and related to the surrounding masonry by a binder, such as a grout of concrete or cement, filling the void left to the assembly, between the outer face of this shutter device and the masonry elements, such as bricks and blocks, facing in the surrounding masonry. As a result, the expanded rail deforms the outer portion of the tunnel box, and, by reaction, the tensions thus developed end, over time, to create micro-cracks in the plaster facades of buildings.
Le problème à la base de l'invention est de remédier à cet inconvénient, et de proposer un dispositif obturateur, du type présenté ci-dessus, qui convienne mieux aux diverses exigences de la pratique que ceux de l'état de la technique, notamment selon les deux brevets précités.The problem underlying the invention is to overcome this disadvantage, and to propose a shutter device, of the type presented above, which is better suited to the various requirements of the practice than those of the state of the art, in particular according to the two aforementioned patents.
A cet effet, l'invention propose un dispositif obturateur, du type présenté ci-dessus, et qui se caractérise en ce que la joue présente, dans l'un au moins des deux côtés de sa base qui sont en regard des extrémités latérales des rails, au niveau d'une même extrémité latérale du caisson-tunnel, un évidement formant réservation pour la dilatation thermique d'un rail du caisson-tunnel, et capable d'absorber l'allongement dudit rail en raison des variations de température qu'il subit en service.For this purpose, the invention proposes a shutter device, of the type presented above, and which is characterized in that the cheek has, in at least one of the two sides of its base which are facing the lateral ends of the rails, at a same lateral end of the tunnel-box, a recess forming a reservation for the thermal expansion of a tunnel-box rail, and capable of absorbing the elongation of said rail because of the temperature variations that he suffers in service.
Une telle réservation a pour avantage qu'elle accepte des allongements et déplacements de l'extrémité correspondante d'un rail sans mettre en tension la paroi extérieure du caisson-tunnel le long du bord inférieur de laquelle ce rail est fixé.Such a reservation has the advantage that it accepts elongations and displacements of the corresponding end of a rail without tensioning the outer wall of the tunnel-box along the lower edge of which this rail is fixed.
En effet, comme ce rail, généralement en aluminium, fait partie intégrante du caisson-tunnel, lors de la coupe à longueur de ce dernier, ce rail est débité à la même longueur que le caisson-tunnel, par exemple à l'aide d'une scie circulaire. Il est, bien entendu, possible de raccourcir chacun des deux rails à chacune de ses deux extrémités, en effectuant, pour chaque extrémité concernée, une opération de reprise de coupe au deux extrémités du caisson-tunnel.Indeed, as this rail, usually aluminum, is an integral part of the tunnel box, when cutting to length of the latter, the rail is cut to the same length as the tunnel box, for example using a circular saw. It is, of course, possible to shorten each of the two rails at each of its two ends, by performing, for each end concerned, a resumption of cutting operation at both ends of the tunnel box.
Mais ces opérations supplémentaires de reprise de coupe ont pour inconvénient de compliquer la fabrication et d'augmenter le coût des caissons-tunnels.But these additional resumption of cutting operations have the disadvantage of complicating the manufacture and increase the cost of the subwoofers.
La présente invention propose une alternative simple et économique en créant, dans la joue, au moins une cavité pour absorber l'allongement du rail en aluminium du fait de sa dilatation thermique, allongement qui est loin d'être négligeable puisque les caissons-tunnels peuvent avoir une longueur maximum de l'ordre de 3,5 m, pour laquelle il se produit un allongement supérieur à 4 mm pour une élévation de température de 50°C.The present invention proposes a simple and economical alternative by creating, in the cheek, at least one cavity to absorb the elongation of the aluminum rail due to its thermal expansion, elongation which is far from being negligible since the subwoofers can have a maximum length of the order of 3.5 m, for which there is an elongation greater than 4 mm for a temperature rise of 50 ° C.
Avantageusement, le dispositif obturateur selon l'invention présente, en outre, l'une au moins des caractéristiques suivantes :
- la joue présente un évidement formant réservation pour la dilatation d'un rail dans chacun des deux côtés de sa base, qui sont en regard des extrémités latérales des deux rails, afin de conserver à la joue sa réversibilité pour obturer une extrémité latérale de droite ou de gauche du caisson-tunnel ;
- l'évidement de la joue, ou chacun d'eux, formant réservation pour la dilatation d'un rail, est d'une profondeur, dans la direction longitudinale du caisson-tunnel, qui est au moins égale à la moitié de l'allongement dudit rail pour la température maximum à laquelle ledit rail peut être porté lorsque le caisson-tunnel est intégré au linteau ;
- la joue du dispositif obturateur comprend une platine, sensiblement perpendiculaire à la voûte et aux parois longitudinales du caisson-tunnel en position de fermeture d'une extrémité latérale de ce dernier, et la platine est prolongée par une collerette, le long de son pourtour sauf au niveau de sa base, qui s'étend dans un plan sensiblement parallèle à celui de la platine, et formant butée limitant l'emboîtement de la platine dans l'extrémité latérale correspondante du caisson-tunnel, chaque évidement étant une cavité ménagée dans la face interne de l'extrémité inférieure d'une partie latérale de la collerette ;
- la cavité est formée par une réduction localisée de l'épaisseur de la collerette ;
- la cavité est formée au moulage d'une seule pièce de la collerette avec la joue et, éventuellement le talon du dispositif obturateur.
- the cheek has a recess forming a reservation for the expansion of a rail in each of its two sides of its base, which are opposite the lateral ends of the two rails, in order to keep the cheek reversible to seal a right lateral end or left of the tunnel caisson;
- the recess of the cheek, or each of them, forming a reservation for the expansion of a rail, is of a depth, in the longitudinal direction of the tunnel box, which is at least equal to half of the elongation said rail for the maximum temperature at which said rail can be carried when the tunnel box is integrated with the lintel;
- the cheek of the shutter device comprises a plate, substantially perpendicular to the roof and the longitudinal walls of the tunnel box in the closed position of a lateral end thereof, and the plate is extended by a collar, along its periphery except at its base, which extends in a plane substantially parallel to that of the plate, and forming an abutment limiting the engagement of the plate in the corresponding lateral end of the tunnel box, each recess being a cavity formed in the inner face of the lower end of a side portion of the flange;
- the cavity is formed by a localized reduction of the thickness of the flange;
- the cavity is formed in one-piece molding of the flange with the cheek and possibly the heel of the shutter device.
L'invention a également pour objet un caisson-tunnel, destiné à être intégré au linteau d'une baie d'une construction et à la maçonnerie environnante, et à loger un volet roulant, et comportant une voûte supportée par deux parois longitudinales dont le bord inférieur de chacune est solidaire d'un profilé métallique, de préférence en aluminium, en forme de rail, ainsi que deux dispositifs obturateurs, destinés chacun à fermer l'une respectivement des deux extrémités latérales dudit caisson-tunnel, de section transversale en forme de U retourné, chaque dispositif obturateur comprenant une joue, qui s'emboîte au moins partiellement dans une extrémité latérale du caisson-tunnel, et un talon, en saillie vers l'intérieur du caisson-tunnel sur la base de la face interne de la joue et sensiblement perpendiculaire à la joue, et qui s'insère entre les deux rails lorsque la joue est emboîtée dans l'extrémité latérale correspondante du caisson-tunnel, caractérisé en ce que chacun des deux dispositifs obturateurs est un dispositif obturateur selon l'invention et tel que présenté ci-dessus.The invention also relates to a tunnel caisson, intended to be integrated into the lintel of a bay of a construction and the surrounding masonry, and to house a roller shutter, and having a vault supported by two longitudinal walls whose lower edge of each is integral with a metal profile, preferably aluminum, in the form of a rail, and two shutter devices, each intended to close one respectively of the two lateral ends of said tunnel box, of cross section in form U returned, each shutter device comprising a cheek, which fits into the less partially in a lateral end of the tunnel caisson, and a heel, projecting inwardly of the tunnel caisson on the base of the inner face of the cheek and substantially perpendicular to the cheek, and which fits between the two rails when the cheek is nested in the corresponding lateral end of the tunnel box, characterized in that each of the two shutter devices is a shutter device according to the invention and as presented above.
D'autres avantages et caractéristiques de l'invention ressortiront de la description donnée ci-dessous; à titre non limitatif, d'un exemple de réalisation décrit en référence aux dessins annexés sur lesquels :
- la
figure 1 représente une vue partielle en perspective éclatée d'un dispositif obturateur qui se monte dans une extrémité latérale d'un caisson-tunnel pour volet roulant, selon l'invention, - la
figure 2 représente, à une échelle agrandie, un détail du dispositif obturateur de lafigure 1 , au niveau d'une cavité dans l'extrémité inférieure d'une partie latérale de la collerette de ce dispositif,et - la
figure 3 représente une vue schématique en coupe verticale longitudinale du détail de lafigure 2 .
- the
figure 1 represents a fragmentary exploded perspective view of a shutter device which is mounted in a lateral end of a tunnel box for roller shutter, according to the invention, - the
figure 2 represents, on an enlarged scale, a detail of the shutter device of thefigure 1 , at a cavity in the lower end of a side portion of the collar of this device, and - the
figure 3 represents a schematic view in longitudinal vertical section of the detail of thefigure 2 .
Le caisson-tunnel 1 représenté sur la
L'évidement interne du caisson-tunnel 1 présente ainsi la forme d'un tunnel, ouvert vers le bas pour permettre la mise en place d'un volet roulant et d'un dispositif d'entraînement du tablier de ce dernier dans le caisson-tunnel 1, et, dans cet exemple, la voûte 2 se raccorde à chacune des parois longitudinales 3 et 4 par une partie supérieure de ces dernières qui est d'épaisseur linéairement décroissante depuis la voûte 2 vers la partie inférieure des parois 3 et 4 qui est verticale et d'épaisseur constante. Eventuellement,l'une des parois 3 et 4, destinée à être tournée vers l'intérieur du bâtiment, est d'une épaisseur supérieure à celle de l'autre paroi 4 ou 3, afin de former une barrière isolante thermique et phonique.The internal recess of tunnel caisson 1 thus has the shape of a tunnel, open downwards to allow the introduction of a shutter and a drive device of the deck of the latter in the caisson-tunnel 1, and, in this example, the
Deux profilés de renfort ou rails en aluminium 6 et 7 sont fixés chacun le long du bord inférieur de l'une respectivement des parois 3 et 4, en chevauchant ce bord inférieur.Two reinforcing profiles or aluminum rails 6 and 7 are each fixed along the lower edge of one respectively of the
De manière connue, le caisson-tunnel 1 est prévu pour être intégré dans le linteau, au dessus de l'embrasure d'une baie, telle que fenêtre ou porte, d'un bâtiment, ainsi que dans la maçonnerie environnante, dans laquelle il est en particulier encastré par ses deux extrémités latérales telles que 5 et par la voûte 2, et ceci de telle manière que l'évidement interne du caisson-tunnel 1 débouche dans cette embrasure ou baie.In known manner, the tunnel caisson 1 is intended to be integrated in the lintel, above the embrasure of a bay, such as a window or door, of a building, as well as in the surrounding masonry, in which it is in particular embedded by its two lateral ends such as 5 and the
A chacune de ses extrémités latérales telles que 5, le caisson-tunnel 1 est muni d'un dispositif obturateur 8 qui ferme cette extrémité. Chaque dispositif obturateur 8 est constitué principalement d'une joue 9 et d'un talon 10, qui sont destinés à être montés latéralement dans l'extrémité latérale correspondante telle que 5 du caisson-tunnel 1, de sorte à fermer cette extrémité latérale 5 de manière étanche à l'air provenant de l'évidement interne du caisson-tunnel 1.At each of its lateral ends such as 5, the tunnel caisson 1 is provided with a shutter device 8 which closes this end. Each closure device 8 consists mainly of a
A cet effet, la joue 9 est constituée d'une platine 11 qui, en position de fermeture de l'extrémité latérale 5, s'étend dans un plan sensiblement vertical et perpendiculaire à la voûte 2 et aux parois 3 et 4. La joue 9 comprend également une bordure d'appui 12, qui s'étend perpendiculairement à la platine 11 le long du pourtour de cette dernière, sauf au niveau de sa base ou partie inférieure, de sorte que cette bordure d'appui 12, d'épaisseur constante dans cet exemple, est constituée d'une arcade 13 prolongée par deux segments droits 14. En variante, la voûte 2 peut être semi-cylindrique, et non à pans coupés, et dans ce cas l'arcade 13 présente une forme cintrée qui correspond à celle de la voûte 2.For this purpose, the
Cette bordure d'appui 12 est prévue pour épouser intimement les faces internes de la voûte 2 et des parois longitudinales 3 et 4, de manière à assurer le positionnement précis de la joue 9 par rapport à l'extrémité latérale telle que 5, lorsque la platine 11 est encastrée au moins partiellement dans l'extrémité latérale 5 et ancrée dans la voûte 2 par des dents 15 (trois dents 15 dans cet exemple) en saillie verticalement dans le plan de la platine 11 sur le bord interne de l'arcade 13 de la bordure d'appui 12, ces dents 15 venant s'incruster dans la matière synthétique constitutive de la voûte 2, par exemple une matière cellulaire ou alvéolaire ou à structure en nid d'abeille.This
La platine 11 présente, dans sa partie centrale, des logements 16 et 17 s'ouvrant dans sa face interne, et prévus pour le support et la fixation d'un axe de volet roulant et d'un mécanisme de manoeuvre de ce dernier, notamment. Deux passages de gaine 18 sont également prévus dans les parties latérales de la platine 11, au dessous des logements 16 et 17 et au dessus du talon 10, qui fait saillie sur la face interne de la platine 11, au niveau de la base ou partie inférieure de cette dernière, et qui s'étend perpendiculairement à la platine 11, ces deux passages de gaine 18, chacun à proximité de l'un des segments droits 14 de la bordure d'appui 12, permettant le raccordement d'une gaine électrique standard pour l'alimentation et la commande d'un moteur électrique, dans le cas où le mécanisme d'entraînement du volet roulant comporte un tel moteur.The
Le bord extérieur de la bordure d'appui 12 est prolongé, à sa périphérie, et dans un plan parallèle à celui de la platine 11, par une collerette 19, qui comporte donc une partie en arcade 19a et deux parties latérales rectilignes 19b, dont chacune est en saillie latérale d'un segment droit 14 de la bordure d'appui 12, perpendiculairement à cette dernière.The outer edge of the
Cette collerette 19 est destinée à entrer en contact avec l'extrémité latérale en regard telle que 5 du caisson-tunnel 1, pour servir de butée axiale au dispositif obturateur 8 lors de son montage en position de fermeture de cette extrémité latérale 5 du caisson-tunnel 1. En outre, la collerette 19 forme également une barrière étanche au passage de l'air entre l'évidement interne du caisson-tunnel 1 et, par exemple, un doublage isolant intérieur du mur dans lequel le caisson-tunnel 1 est intégré.This
Grâce à cette structure, la platine 11 de la joue 9 est totalement encastrée dans l'extrémité latérale 5 du caisson-tunnel 1, après le montage du dispositif obturateur 8 en position de fermeture.Thanks to this structure, the
Lors de ce montage, non seulement les dents 15 sont plantées sensiblement verticalement dans la voûte 2, mais le talon 10 est inséré latéralement entre les deux rails 6 et 7 lors de l'emboîtement de la joue 9 dans l'extrémité 5 jusqu'à ce que la collerette 19 vienne en appui contre cette extrémité latérale 5 du caisson-tunnel 1.During this assembly, not only the
Chaque partie latérale rectiligne 19b de la collerette 19 s'élargit latéralement à son extrémité inférieure 19c, de forme par exemple sensiblement trapézoïdale, comme représenté sur les
Afin que l'extrémité du rail 6 ou 7 ne vienne pas en appui contre l'extrémité inférieure 19c de la collerette 19, elle-même en appui par sa face externe (tournée vers la maçonnerie environnante) contre le matériau de liaison à la maçonnerie environnante, et donc afin que le rail 6 ou 7 n'introduise pas de contrainte mécanique dans la collerette 19, et donc aussi dans le dispositif obturateur 8 ainsi que dans la paroi longitudinale 3 ou 4 du caisson-tunnel 1 sur la base duquel ce rail 6 ou 7 est engagé, la profondeur de la cavité 20, dans la direction de la longueur du rail 6 ou 7, est au moins égale à X/2 de l'allongement maximum X prévisible pour le rail 6 ou 7, compte tenu des températures maximales en façade.So that the end of the rail 6 or 7 does not bear against the
En reprenant l'exemple, présenté ci-dessus, d'un caisson-tunnel 1 d'une longueur maximum de 3,5 mètres, pour lequel un rail 6 ou 7 en aluminium subit, côté façade, un allongement maximum légèrement supérieur à 4 mm pour une élévation de température de 50°C, du fait de son coefficient de dilatation thermique de 23µ par mètre et par degré, la profondeur de chaque cavité 20 est légèrement supérieure à 2 mm.Taking again the example, presented above, of a caisson-tunnel 1 of a maximum length of 3,5 meters, for which a rail 6 or 7 of aluminum undergoes, on the front side, a maximum elongation slightly higher than 4 mm for a temperature rise of 50 ° C, because of its coefficient of thermal expansion of 23μ per meter and per degree, the depth of each
La cavité 20 permet ainsi d'absorber l'allongement du rail 6 ou 7 en regard, et donc le déplacement de l'extrémité longitudinale du rail 6 ou 7 en regard de l'extrémité inférieure 19c considérée de la collerette 19 de la joue 9.The
Comme une telle cavité 20 est ménagée au niveau de chacune des deux extrémités inférieures telles que 19c de la collerette 19, la joue 9 et donc le dispositif obturateur 8, sont réversibles et peuvent être utilisés pour fermer aussi bien l'extrémité latérale de gauche que celle de droite du caisson-tunnel 1.As such a
De manière avantageusement simple, cette cavité 20 est formée par une réduction localisée de l'épaisseur de chaque extrémité inférieure 19c (parallèlement à la direction longitudinale des rails 6 et 7), par rapport à l'épaisseur constante des autres parties 19a et 19b de la collerette 19. Cette réduction d'épaisseur, d'au moins 2 mm dans l'exemple ci-dessus, est obtenue lors du moulage d'une seule pièce de la joue 9, et de préférence du dispositif obturateur 8 dans son ensemble.Advantageously simple, this
Grâce à un dispositif obturateur 8 selon l'invention, on évite les mises en tension de la paroi longitudinale 3 ou 4 qui est en façade, lors des dilatations thermiques du rail 6 ou 7 à sa base, et on évite simultanément l'introduction de contraintes mécaniques dans la maçonnerie environnante par la dilatation thermique du rail 6 ou 7 considéré. On évite ainsi la formation de micro fissures dans le crépi des façades.With a shutter device 8 according to the invention, it avoids the tensioning of the
Claims (7)
- Closure device designed to close one (5) of the two lateral ends of a tunnel casing (1), with a cross-section of an upturned U-shape, designed to be integrated in the lintel of a bay of a construction and in the surrounding masonry and to accommodate a roller shutter, which tunnel casing (1) comprises a top panel (2) supported by two longitudinal walls (3, 4), the bottom edge of each of which is connected to a metal section, preferably made from aluminium, in the form of a rail (6, 7), the closure device (8) comprising an end cap (9) which fits at least partially in a lateral end (5) of the tunnel casing (1), and a heel piece (10) projecting towards the interior of the tunnel casing (1) on the base of the internal face of the end cap (9) and substantially perpendicular to the end cap (9), and which is inserted between the two rails (6, 7) when the end cap (9) is fitted on the co-operating lateral end (5) of the tunnel casing (1), characterised in that the end cap (9) has, in at least one of the two sides of its base which face the lateral ends of the rails (6, 7), on a level with a same lateral end (5) of the tunnel casing (1), a recess (20) providing a space to accommodate the expansion of a rail (6, 7) of the tunnel casing (1) and capable of absorbing the expansion of said rail (6, 7) caused by variations in temperature to which this rail is subjected during service.
- Closure device as claimed in claim 1, characterised in that the end cap (9) has a recess (20) providing a space to accommodate the expansion of a rail (6, 7) in each of the two sides of its base which face the lateral ends of the two rails (6, 7).
- Closure device as claimed in any one of claims 1 and 2, characterised in that said recess (20) of the end cap (9) providing a space to accommodate the expansion of a rail (6, 7) has a depth in the longitudinal direction of the tunnel casing (1) which is at least half the expansion of said rail (6, 7) for the maximum temperature at which said rail can be supported when the tunnel casing (1) is integrated in the lintel.
- Closure device as claimed in any one of claims 1 to 3, characterised in that said end cap (9) comprises a plate (11) substantially perpendicular to the top panel (2) and to the longitudinal walls (3, 4) when one lateral end (5) of the tunnel casing (1) is in the closed position, said plate (11) being extended, around its contour except on a level with its base, by a collar (19) extending in a plane substantially parallel with the plane of the plate (11) and acting as a stop limiting the nest fitting of the end cap (9) in a lateral end (5) of the tunnel casing (1), and each recess is a cavity (20) disposed in the internal face of the bottom end (19c) of a side part (19b) of said collar (19).
- Closure device as claimed in claim 4, characterised in that said cavity (20) is formed by a localised reduction in the thickness of said collar (19).
- Closure device as claimed in any one of claims 4 and 5, characterised in that said cavity (20) is formed by moulding the collar (19) in a single piece with the end cap (9) and optionally the heel piece (10) of the closure device (8).
- Tunnel casing designed to be integrated in the lintel of a bay of a construction and in the surrounding masonry, and to accommodate a roller shutter, and comprising a top panel (2) supported by two longitudinal walls (3, 4) , the bottom edge of each of which is connected to a metal section, preferably made from aluminium, in the form of a rail (6, 7), as well as two closure devices (8), each designed to close one (5) respectively of the two lateral ends of said tunnel casing (1), with a cross-section of an upturned U-shape, each closure device (8) comprising an end cap (9) which fits at least partially in a lateral end (5) of the tunnel casing (1), and a heel piece (10) projecting towards the interior of the tunnel casing (1) on the base of the internal face of the end cap (9) and substantially perpendicular to the end cap (9), and which is inserted between the two rails (6, 7) when the end cap (9) is fitted in the co-operating lateral end (5) of the tunnel casing (1), characterised in that each of the two closure devices (8) is a closure device as claimed in any one of preceding claims 1 to 6.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0409776A FR2875256B1 (en) | 2004-09-15 | 2004-09-15 | SHUTTER DEVICE WITH RESERVATION FOR THE EXPANSION OF RAILS OF A ROLLING SHUTTER TUNNEL HOUSING, AND TUNNEL HOUSING EQUIPPED WITH SUCH DEVICES |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1640553A2 EP1640553A2 (en) | 2006-03-29 |
| EP1640553A3 EP1640553A3 (en) | 2007-11-28 |
| EP1640553B1 true EP1640553B1 (en) | 2014-01-22 |
Family
ID=34948598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20050291814 Active EP1640553B1 (en) | 2004-09-15 | 2005-08-31 | End cap with cavity for heat expansion of rails of roller shutter boxes, and roller shutter box provided with such end cap |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1640553B1 (en) |
| ES (1) | ES2458939T3 (en) |
| FR (1) | FR2875256B1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1025555B1 (en) * | 2017-09-12 | 2019-04-11 | Jos Wilms N.V. | Construction of a frame for a screen device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1012550A6 (en) * | 1999-03-11 | 2000-12-05 | Fixolite Sa | Safe shutter, plays and profile of recovery for safe. |
| BE1014552A3 (en) * | 2001-12-21 | 2003-12-02 | Fixolite Sa | Safe shutter. |
-
2004
- 2004-09-15 FR FR0409776A patent/FR2875256B1/en not_active Expired - Fee Related
-
2005
- 2005-08-31 EP EP20050291814 patent/EP1640553B1/en active Active
- 2005-08-31 ES ES05291814T patent/ES2458939T3/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| ES2458939T3 (en) | 2014-05-07 |
| FR2875256B1 (en) | 2006-12-08 |
| FR2875256A1 (en) | 2006-03-17 |
| EP1640553A3 (en) | 2007-11-28 |
| EP1640553A2 (en) | 2006-03-29 |
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