EP0502758B1 - Removable sealing device for overhead industrial door - Google Patents

Removable sealing device for overhead industrial door Download PDF

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Publication number
EP0502758B1
EP0502758B1 EP92400477A EP92400477A EP0502758B1 EP 0502758 B1 EP0502758 B1 EP 0502758B1 EP 92400477 A EP92400477 A EP 92400477A EP 92400477 A EP92400477 A EP 92400477A EP 0502758 B1 EP0502758 B1 EP 0502758B1
Authority
EP
European Patent Office
Prior art keywords
curtain
cover
cross
top portion
bottom edge
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.)
Expired - Lifetime
Application number
EP92400477A
Other languages
German (de)
French (fr)
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EP0502758A1 (en
Inventor
Bernard Kraeutler
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.)
Nergeco SA
Original Assignee
Nergeco SA
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Filing date
Publication date
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Publication of EP0502758A1 publication Critical patent/EP0502758A1/en
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Publication of EP0502758B1 publication Critical patent/EP0502758B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • 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
    • E06B9/17076—Sealing or antirattling arrangements
    • 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
    • E06B9/06—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type
    • E06B9/0607—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position
    • E06B9/0646—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position characterised by the relative arrangement of the closing elements in the stored position
    • E06B9/0653—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position characterised by the relative arrangement of the closing elements in the stored position stored side by side in the closing plane
    • 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
    • E06B9/06—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type
    • E06B9/0692—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising flexible sheets as closing screen

Definitions

  • the present invention relates to lifting curtain lifting doors, of the type comprising a rigid frame formed by two vertical lateral uprights, joined to their upper parts by a cross member.
  • This type of door is intended to be placed around a bay formed in a wall, to open or close said bay.
  • the closure is carried out by a curtain, which can descend between the uprights or be raised to be picked up at the top under the cross member, or in it, or on one side thereof.
  • the curtain can be formed from a flexible sheet, or from rigid panels hinged to each other, the curtain being reinforced by horizontal bars, which if necessary can serve as hinges, and whose ends slide to be guided, in runners formed by, or arranged in, the uprights.
  • the cross member When raising the curtain, it can be rolled up in the crossmember, or fold back in accordion under the crossmember, or be offset laterally between guide rails.
  • the cross member generally has a U-shaped section open at the bottom.
  • the mechanical members for actuating and controlling the operation of the door are placed in the cross-member, for example, a curtain winding shaft or lifting straps, an electric motor, a limit switch, etc. Examples of such actuators are described in patents EP-0 254 639 and US-4 828 003.
  • the object of the invention is to provide a lifting curtain door with a sealing device allowing under all conditions easy access to the door mechanics while ensuring the tightness of the fixed part of the door under all conditions. , especially when the door is closed.
  • the subject of the invention is a handling door with a lifting curtain, comprising a rigid frame formed by two vertical lateral uprights joined at their upper parts by a cross section with a U-section open downwards, having a core and two wings which extend downward to a lower edge and housing mechanical curtain operating members, and a curtain which can be lowered or raised between the uprights, said curtain comprising an upper part, characterized in that the upper part of the curtain is located at a distance in below the bottom of the cross, below the mechanical members if necessary below the cross, and a cover having two parallel longitudinal edges, an upper edge and a lower edge, is hung by its upper edge on the lower edge of a wing of the cross member, and is maintained in an orientation such that its lower edge is placed against the upper curtain part, so as to ensure a continuous closure between the cross member and the curtain.
  • the upper part of the curtain is stationary, and said upper part is fixed to a bar extending between the uprights, at a distance from the bottom of the crosspiece making it possible to place the mechanical actuating members of the curtain between this bar and the bottom of the cross member, and the lower edge of the cover is applied against the fixed upper part of the curtain.
  • the fixing bar can in this case be fitted with damping elements.
  • the upper part of the curtain is movable, the curtain scrolls at the upper part of the door, in a substantially stationary position, this position is placed below the mechanical actuating members of the curtain, and the edge lower cover is maintained near this substantially stationary position.
  • the lower edge of the cover can in this case be fitted with rollers or rollers mounted to rotate.
  • At least one wing of the cross-member has an edge folded in 180 °, and the upper edge of the cover is also folded in 180 °, and the two edges are engaged one in the other, so that the lower edge of the cross member wing supports the hood.
  • a seal can be interposed between the fold of the cross member wing and the fold of the upper edge of the hood.
  • the lower edge of the cover may be provided with a seal, such as a rubber bead, a row of bristles or the like.
  • the lower edge can also be provided with damping elements.
  • the door comprises a rigid frame formed by two vertical lateral uprights 1, 2 joined at their upper parts by a cross member 3, in the form of an inverted U-beam, comprising a bottom 4 (or core) and two wings 5, 6 of which only one is visible in FIG. 1.
  • a curtain 7 is suspended by its upper edge from a bar 8 disposed below the cross-member 3.
  • the curtain 7 is of the folding type accordion to the upper part of the door. To do this, it is made of a flexible sheet material, reinforced by equidistant horizontal bars 9, the ends of which are guided in rails formed by, or formed in, the uprights 1 and 2.
  • the curtain can be raised by lifting straps 10, the lower ends of which are fixed to the lower bar, and which pass through loops fixed on at least some of the bars.
  • An example of such a curtain is disclosed in patent application EP-0 412 857 and US Pat. No. 5,072,767.
  • the straps can be wound on a winding shaft 11 placed in the cross-member. This can house other mechanical components such as a motor 12, a transmission block 13, a limit switch, electrical devices, etc. These elements can also be placed partially or completely in the uprights 1 and 2. Examples of such actuating members are described in patents EP-0 254 639 and US-4 828 003.
  • a cover 15 is placed between the lower edge 5A of the wing 5 of the cross-member and the attachment line 8A of the curtain on the bar 8.
  • the upper edge 15A of the cover has a double folding 180 ° (twice 90 °) and the lower edge 5A of the wing 5 is folded likewise. (additional folding can be provided for aesthetic reasons).
  • a seal 16 can be placed between two folds, one of the cross member, the other of the cover, ensuring the seal and eliminating vibrations and noise.
  • the cover is suitably held at its ends, either on the bar 8 or on the uprights 1 and 2.
  • the lower edge 15B of the cover can be fitted with an appropriate seal to ensure the seal with the curtain while letting the straps.
  • the first is not technical, it is aesthetics. The mechanics are hidden, and the door has a cleaner appearance. The cover can receive inscriptions: brands, conditions of employment, etc.
  • the cover also serves as protection against falling objects. It is recalled that such doors can operate between 500 and 1000 times a day, sometimes more. Shocks and vibrations can cause ruptures, straps, their attachment, the winding shaft, etc. The fall of these parts is dangerous, and the cover protects precisely on the side where it is most important , because it is on this side that the staff may have the most to park near the door.
  • top rail is formed with folds on both sides, a cover can be placed on either side, which allows the door to be turned over, or placed on the other side of the wall without turning it over , for example to take account of different local wind conditions or air pressures.
  • damping elements 17 to receive in particular the shock of the upper bar, under the edge of the cover which thus serves as a support for this damping element, or under the bar 8 for hanging the curtain.
  • the upper cross member 3 is identical to that of FIGS. 1 and 2, with a bottom, or core 4, and two wings 5, 6.
  • the cover 15 is mounted in the same way.
  • the curtain 20 reinforced by reinforcing bars 21 is picked up at the top by winding around a shaft 23.
  • the cover provides an aesthetic function, a sealing function, and a function of protection against falling objects, it allows easy access to the mechanics by removal, and allows the door to overturn. With this kind of curtain, the damping effect is not sought.
  • the lower edge of the cover makes it possible to pass the curtain to a stationary position, in correspondence with guide rails.
  • the lower edge of the cover 15 can be provided with rollers or rollers 22 suitably distributed.
  • the curtain can roll up the other way. The important thing is that it hangs vertically to the right of the bead from the lower edge of the cover, once it has come down to the rest position. One day is not bothersome, when the curtain is not lowered.
  • Figures 4 and 5 are similar views for a sectional door, with the curtain partially raised in Figure 4, and completely lowered in Figure 5.
  • the upper cross member 3 of the door is applied against a wall 30 above a bay 31.
  • slides 32 On the two sides are arranged slides 32 whose part corresponding to the bay is vertical, while above the slide is curved so as to return the curtain outside the plan of the bay.
  • the curtain 33 consists here of three panels 33A, 33B and 33C hinged to each other and on bars 34A-D whose ends slide in the slides 32. In the lowered position, the curtain closes the opening, the panels are all in the same plane ( Figure 5).
  • the cover 35 has in this example a slightly different shape. It is provided on its lower side with a sealing bead 36. As can be seen in FIG.
  • the sealing is achieved when a reinforcing and guide bar passes straight of the bead, while there is a day when it is the middle region of a panel which is at the level of the bead. But this is only a transient state, and this while the door is at least partially open.
  • the curtain is waterproof.
  • the hood plays its sealing and protective role. The removal of the cover allows access to the interior of the cross member, from the face of the door opposite the inclined extensions of the slides.
  • the curtain does not pass through a stationary horizontal line, but almost stationary to determine, the seal in any case in the closed position.
  • the present invention is also applicable to doors having a curtain with lateral displacement.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Seal Device For Vehicle (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)
  • Barrages (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)

Abstract

Sealing device for overhead industrial door, comprising a rigid frame formed by two vertical lateral uprights (1, 2) connected in their upper parts by a crosspiece (3) of downwardly open U-shaped cross-section, which has a core (4) and two wings (5, 6) and shelters the mechanical members for functioning of the shutter, and a shutter (7) which can be lowered or raised between the uprights, characterised in that the highest part of the shutter is situated at a given distance below the bottom of the crosspiece (3), below the mechanical members, where applicable below the crosspiece, and a hood (15) which has two parallel longitudinal edges, an upper edge (15A) and a lower edge (15B), is attached by its upper edge to the lower edge (5A) of one wing of the crosspiece and is held at such an orientation that its lower edge is placed against the upper shutter part, so as to ensure a continuity of sealing between the crosspiece and the shutter. <IMAGE>

Description

La présente invention concerne les portes de manutention à rideau relevable, du type comportant un cadre rigide formé de deux montants latéraux verticaux, réunis à leurs parties supérieures par une traverse. Ce type de porte est destiné à être placé autour d'une baie formée dans un mur, pour ouvrir ou fermer ladite baie. La fermeture est réalisée par un rideau, pouvant descendre entre les montants ou être relevé pour être ramassé à la partie supérieure sous la traverse, ou dans celle-ci, ou sur un côté de celle-ci. Le rideau peut être formé d'une feuille souple, ou de panneaux rigides articulés les uns aux autres, le rideau étant renforcé par des barres horizontales, qui le cas échéant peuvent servir de charnières, et dont les extrémités coulissent pour être guidées, dans des glissières formées par les montants, ou disposés dans ceux-ci. Lors de la remontée du rideau, celui-ci peut s'enrouler dans la traverse, ou se replier en accordéon sous la traverse, ou être déporté latéralement entre des rails de guidage. La traverse a généralement une section en U ouverte vers le bas. Les organes mécaniques d'actionnement et de commande du fonctionnement de la porte sont placés dans la traverse, par exemple, un arbre d'enroulement du rideau ou de sangles de relevage, un moteur électrique, un contact de fin de course, etc.. Des exemples de tels organes d'actionnement sont décrits dans les brevets EP-0 254 639 et US-4 828 003.The present invention relates to lifting curtain lifting doors, of the type comprising a rigid frame formed by two vertical lateral uprights, joined to their upper parts by a cross member. This type of door is intended to be placed around a bay formed in a wall, to open or close said bay. The closure is carried out by a curtain, which can descend between the uprights or be raised to be picked up at the top under the cross member, or in it, or on one side thereof. The curtain can be formed from a flexible sheet, or from rigid panels hinged to each other, the curtain being reinforced by horizontal bars, which if necessary can serve as hinges, and whose ends slide to be guided, in runners formed by, or arranged in, the uprights. When raising the curtain, it can be rolled up in the crossmember, or fold back in accordion under the crossmember, or be offset laterally between guide rails. The cross member generally has a U-shaped section open at the bottom. The mechanical members for actuating and controlling the operation of the door are placed in the cross-member, for example, a curtain winding shaft or lifting straps, an electric motor, a limit switch, etc. Examples of such actuators are described in patents EP-0 254 639 and US-4 828 003.

Il est important que ces portes soient étanches à la partie supérieure, surtout quand le rideau est abaissé en position de fermeture. C'est pourquoi l'extrémité supérieure du rideau est placée le plus haut possible dans la traverse, et quand l'extrémité supérieure du rideau est immobile, elle est fixée au fond de la traverse supérieure.It is important that these doors are watertight at the top, especially when the curtain is lowered to the closed position. This is why the upper end of the curtain is placed as high as possible in the cross member, and when the upper end of the curtain is stationary, it is fixed to the bottom of the upper cross member.

Mais une autre sujétion est d'avoir accès à la mécanique pour l'entretien et les réparations. Or, si la partie supérieure du rideau est placée le plus haut possible dans la traverse, elle masque la mécanique, qui ne peut plus être accessible que d'un seul côté, ce qui limite les conditions de pose de telles portes.But another subjection is to have access to mechanics for maintenance and repairs. However, if the upper part of the curtain is placed as high as possible in the cross member, it masks the mechanics, which can only be accessible from one side, which limits the conditions for installing such doors.

L'invention a pour but une porte de manutention à rideau relevable avec un dispositif d'étanchéité permettant dans toutes les conditions un accès facile à la mécanique de la porte tout en assurant l'étanchéité de la partie fixe de la porte dans toutes les conditions, en particulier quand la porte est fermée.The object of the invention is to provide a lifting curtain door with a sealing device allowing under all conditions easy access to the door mechanics while ensuring the tightness of the fixed part of the door under all conditions. , especially when the door is closed.

L'invention a pour objet une porte de manutention à rideau relevable, comportant un cadre rigide formé de deux montants latéraux verticaux réunis à leurs parties supérieures par une traverse à section en U ouverte vers le bas, présentant une âme et deux ailes qui s'étendent vers le bas jusqu'à un bord inférieur et abritant des organes mécaniques de fonctionnement du rideau, et un rideau pouvant être descendu ou relevé entre les montants, ledit rideau comportant une partie supérieure, caractérisé en ce que la partie supérieure du rideau est située à une distance en dessous du fond de la traverse, en dessous des organes mécaniques le cas échéant en dessous de la traverse, et un capot présentant deux bords longitudinaux parallèles, un bord supérieur et un bord inférieur, est accroché par son bord supérieur sur le bord inférieur d'une aile de la traverse, et est maintenu à une orientation telle que son bord inférieur soit placé contre la partie supérieure de rideau, de façon à assurer une continuité d'obturation entre la traverse et le rideau.The subject of the invention is a handling door with a lifting curtain, comprising a rigid frame formed by two vertical lateral uprights joined at their upper parts by a cross section with a U-section open downwards, having a core and two wings which extend downward to a lower edge and housing mechanical curtain operating members, and a curtain which can be lowered or raised between the uprights, said curtain comprising an upper part, characterized in that the upper part of the curtain is located at a distance in below the bottom of the cross, below the mechanical members if necessary below the cross, and a cover having two parallel longitudinal edges, an upper edge and a lower edge, is hung by its upper edge on the lower edge of a wing of the cross member, and is maintained in an orientation such that its lower edge is placed against the upper curtain part, so as to ensure a continuous closure between the cross member and the curtain.

Selon une forme de réalisation, la partie supérieure du rideau est stationnaire, et ladite partie supérieure est fixée à une barre s'étendant entre les montants, à une distance du fond de la traverse permettant de placer les organes mécaniques d'actionnement du rideau entre cette barre et le fond de la traverse, et le bord inférieur du capot est appliqué contre la partie supérieure fixe du rideau. La barre de fixation peut dans ce cas être garnie d'éléments amortisseurs.According to one embodiment, the upper part of the curtain is stationary, and said upper part is fixed to a bar extending between the uprights, at a distance from the bottom of the crosspiece making it possible to place the mechanical actuating members of the curtain between this bar and the bottom of the cross member, and the lower edge of the cover is applied against the fixed upper part of the curtain. The fixing bar can in this case be fitted with damping elements.

Selon une autre forme de réalisation, la partie supérieure du rideau est mobile, le rideau défile à la partie supérieure de la porte, à une position sensiblement stationnaire, cette position est placée en dessous des organes mécaniques d'actionnement du rideau, et le bord inférieur du capot est maintenu à proximité de cette position sensiblement stationnaire. Le bord inférieur du capot peut dans ce cas être muni de rouleaux ou galets montés rotatifs.According to another embodiment, the upper part of the curtain is movable, the curtain scrolls at the upper part of the door, in a substantially stationary position, this position is placed below the mechanical actuating members of the curtain, and the edge lower cover is maintained near this substantially stationary position. The lower edge of the cover can in this case be fitted with rollers or rollers mounted to rotate.

Avantageusement, au moins une aile de la traverse présente un bord replié à 180°, et le bord supérieur du capot est replié aussi à 180°, et les deux bords sont engagés l'un dans l'autre, pour que le bord inférieur de l'aile de la traverse supporte le capot. Un joint peut être interposé entre le pli de l'aile de la traverse et le pli du bord supérieur du capot.Advantageously, at least one wing of the cross-member has an edge folded in 180 °, and the upper edge of the cover is also folded in 180 °, and the two edges are engaged one in the other, so that the lower edge of the cross member wing supports the hood. A seal can be interposed between the fold of the cross member wing and the fold of the upper edge of the hood.

Le bord inférieur du capot peut être muni d'une garniture d'étanchéité, telle qu'un bourrelet en caoutchouc, une rangée de poils ou similaire.The lower edge of the cover may be provided with a seal, such as a rubber bead, a row of bristles or the like.

Le bord inférieur peut aussi être muni d'éléments amortisseurs.The lower edge can also be provided with damping elements.

D'autres caractéristiques et avantages de l'invention apparaîtront au cours de la description qui va suivre, donnée à titre d'exemple non limitatif, en regard des dessins joints, et qui fera bien comprendre comment l'invention peut être réalisée.Other characteristics and advantages of the invention will appear during the description which follows, given by way of nonlimiting example, with reference to the accompanying drawings, and which will make it clear how the invention can be implemented.

Sur les dessins,

  • la figure 1 est une vue en perspective d'un exemple d'application de l'invention à une porte à rideau relevable, le rideau étant constitué d'une matière souple, renforcée par des barres d'armature horizontales, le rideau se repliant en accordéon à la partie supérieure de la porte,
  • la figure 2 est une vue en coupe de la même porte par un plan verical, perpendiculaire au plan de la porte, entre les montants,
  • la figure 3 est une vue analogue à la figure 2, pour une variante d'application, dans laquelle le rideau s'enroule en haut de la porte pour être relevé, et
  • les figures 4 et 5 sont des vues analogues aux figures 2 et 3, pour encore une autre variante d'application, à une porte sectionnelle, constituée de panneaux articulés guidés dans des rails latéraux pour être relevés et déplacés en dehors du plan de la porte.
In the drawings,
  • Figure 1 is a perspective view of an example of application of the invention to a liftable curtain door, the curtain being made of a flexible material, reinforced by horizontal reinforcing bars, the curtain folding in accordion at the top of the door,
  • FIG. 2 is a sectional view of the same door by a vertical plane, perpendicular to the plane of the door, between the uprights,
  • FIG. 3 is a view similar to FIG. 2, for an alternative application, in which the curtain is rolled up at the top of the door to be raised, and
  • Figures 4 and 5 are views similar to Figures 2 and 3, for yet another variant of application, to a sectional door, consisting of hinged panels guided in side rails to be raised and moved outside the plane of the door .

Dans l'exemple d'application représenté sur les figures 1 et 2, la porte comporte un châssis rigide formé par deux montants latéraux verticaux 1, 2 réunis à leurs parties supérieures par une traverse 3, en forme de poutre en U renversé, comportant un fond 4 (ou âme) et deux ailes 5, 6 dont une seulement est visible sur la figure 1. Un rideau 7 est suspendu par son bord supérieur à une barre 8 disposée en dessous de la traverse 3. Le rideau 7 est du type repliable en accordéon à la partie supérieure de la porte. Pour ce faire, il est constitué d'un matériau en feuille souple, renforcé par des barres horizontales 9 équidistantes dont les extrémités sont guidées dans des glissières constituées par, ou formées dans, les montants 1 et 2. Le rideau peut être relevé par des sangles de levage 10, dont les extrémités inférieures sont fixées à la barre inférieure, et qui passent dans des boucles fixées sur au moins certaines des barres. Un exemple de tel rideau est divulgué dans la demande de brevet EP-0 412 857 et le brevet US-5 072 767. Pour relever le rideau, les sangles peuvent s'enrouler sur un arbre d'enroulement 11 placé dans la traverse. Celle-ci peut abriter d'autres organes mécaniques tels qu'un moteur 12, un bloc de transmission 13, un fin de course, des appareils électriques, etc.. Ces éléments peuvent aussi être placés en partie ou totalement dans les montants 1 et 2. Des exemples de tels organes d'actionnement sont décrits dans les brevets EP-0 254 639 et US-4 828 003.In the application example represented in FIGS. 1 and 2, the door comprises a rigid frame formed by two vertical lateral uprights 1, 2 joined at their upper parts by a cross member 3, in the form of an inverted U-beam, comprising a bottom 4 (or core) and two wings 5, 6 of which only one is visible in FIG. 1. A curtain 7 is suspended by its upper edge from a bar 8 disposed below the cross-member 3. The curtain 7 is of the folding type accordion to the upper part of the door. To do this, it is made of a flexible sheet material, reinforced by equidistant horizontal bars 9, the ends of which are guided in rails formed by, or formed in, the uprights 1 and 2. The curtain can be raised by lifting straps 10, the lower ends of which are fixed to the lower bar, and which pass through loops fixed on at least some of the bars. An example of such a curtain is disclosed in patent application EP-0 412 857 and US Pat. No. 5,072,767. To raise the curtain, the straps can be wound on a winding shaft 11 placed in the cross-member. This can house other mechanical components such as a motor 12, a transmission block 13, a limit switch, electrical devices, etc. These elements can also be placed partially or completely in the uprights 1 and 2. Examples of such actuating members are described in patents EP-0 254 639 and US-4 828 003.

Conformément à l'invention, un capot 15 est placé entre le bord inférieur 5A de l'aile 5 de la traverse et la ligne d'attache 8A du rideau sur la barre 8. Afin d'obtenir une fixation sure, mais simple pour une pose ou une dépose rapide, le bord supérieur 15A du capot présente un double pliage à 180° (deux fois 90°) et le bord inférieur 5A de l'aile 5 est plié de même. (des pliages supplémentaires peuvent être prévus pour des questions d'esthétique). Avantageusement, entre deux plis, l'un de la traverse, l'autre du capot, on peut placer un joint 16, assurant l'étanchéité et éliminant vibrations et bruits. Le capot est convenablement maintenu à ses extrémités, soit sur la barre 8, soit sur les montants 1 et 2. Le bord inférieur 15B du capot peut être garni d'un joint approprié pour assurer l'étanchéité avec le rideau tout en laissant passer les sangles.According to the invention, a cover 15 is placed between the lower edge 5A of the wing 5 of the cross-member and the attachment line 8A of the curtain on the bar 8. In order to obtain a secure, but simple, fixing for a quick installation or removal, the upper edge 15A of the cover has a double folding 180 ° (twice 90 °) and the lower edge 5A of the wing 5 is folded likewise. (additional folding can be provided for aesthetic reasons). Advantageously, between two folds, one of the cross member, the other of the cover, a seal 16 can be placed, ensuring the seal and eliminating vibrations and noise. The cover is suitably held at its ends, either on the bar 8 or on the uprights 1 and 2. The lower edge 15B of the cover can be fitted with an appropriate seal to ensure the seal with the curtain while letting the straps.

Il est possible de prévoir un capot analogue sur l'autre face de la porte. En général, ce n'est pas nécessaire car elle sera placé contre un mur. Le bord inférieur 6A de l'aile peut le cas échéant présenter un pliage correspondant, notamment pour une rationnalisation de la fabrication ou de la mise en place.It is possible to provide a similar cover on the other side of the door. Generally this is not necessary as it will be placed against a wall. The lower edge 6A of the wing can if necessary have a corresponding folding, in particular for a rationalization of the manufacture or the establishment.

Cette disposition présente de nombreux avantages. Le premier n'est pas d'ordre technique, c'est l'esthétique. La mécanique est masquée, et la porte présente un aspect plus propre. Le capot peut recevoir des inscriptions : marques, conditions d'emploi, etc..This arrangement has many advantages. The first is not technical, it is aesthetics. The mechanics are hidden, and the door has a cleaner appearance. The cover can receive inscriptions: brands, conditions of employment, etc.

On voit qu'après enlèvement du capot, tout l'intérieur de la traverse est accessible, à partir de n'importe lequel des deux côtés. En l'absence du capot, il faudrait attacher le bord supérieur du rideau au fond de la traverse, sans quoi, il y aurait un passage d'air important, en haut de la traverse. Il empêcherait alors l'accès facile aux éléments mécaniques ou électriques placés de part et d'autre du rideau.We see that after removing the cover, the entire interior of the cross is accessible from any of the two sides. In the absence of the cover, it would be necessary to attach the upper edge of the curtain to the bottom of the crosspiece, without which, there would be a significant air passage at the top of the crosspiece. It would then prevent easy access to the mechanical or electrical elements placed on either side of the curtain.

Le capot sert aussi de protection contre la chute d'objets. Il est rappelé que de telles portes peuvent fonctionner entre 500 et 1000 fois par jour, parfois davantage. Les chocs et les vibrations peuvent provoquer des ruptures, des sangles, de leur accrochage, de l'arbre d'enroulement, etc.. La chute de ces pièces est dangereuse, et le capot protège précisément du côté où c'est le plus important, car c'est de ce côté que le personnel peut avoir le plus à stationner près de la porte.The cover also serves as protection against falling objects. It is recalled that such doors can operate between 500 and 1000 times a day, sometimes more. Shocks and vibrations can cause ruptures, straps, their attachment, the winding shaft, etc. The fall of these parts is dangerous, and the cover protects precisely on the side where it is most important , because it is on this side that the staff may have the most to park near the door.

Si la traverse supérieure est formée avec des plis des deux côtés, un capot peut être placé d'un côté ou de l'autre, ce qui permet de retourner la porte, ou de la placer sur l'autre côté du mur sans la retourner, par exemple pour tenu compte de conditions locales de vent ou pressions d'air différentes.If the top rail is formed with folds on both sides, a cover can be placed on either side, which allows the door to be turned over, or placed on the other side of the wall without turning it over , for example to take account of different local wind conditions or air pressures.

Enfin, du fait de la remontée rapide du rideau et de l'arrêt brutal de cette remontée, il est possible selon l'invention de disposer un ou plusieurs éléments amortisseurs 17, pour recevoir notamment le choc de la barre supérieure, sous le bord du capot qui sert ainsi de support à cet élément amortisseur, ou sous la barre 8 d'accrochage du rideau.Finally, due to the rapid rise of the curtain and the sudden stop of this rise, it is possible according to the invention to have one or more damping elements 17, to receive in particular the shock of the upper bar, under the edge of the cover which thus serves as a support for this damping element, or under the bar 8 for hanging the curtain.

Ce qui vient d'être décrit pour un rideau souple est valable pour le cas d'un rideau constitué de panneaux articulés les uns aux autres, et venant se ranger en accordéon au-dessus de la porte pour dégager la baie.What has just been described for a flexible curtain is valid for the case of a curtain made up of panels hinged to each other, and coming to be arranged in an accordion above the door to clear the bay.

Les figures suivantes sont des vues en coupe analogues à la figure 2, pour d'autres applications.The following figures are sectional views similar to Figure 2, for other applications.

Sur la figure 3, la traverse supérieure 3 est identique à celle des figures 1 et 2, avec un fond, ou âme 4, et deux ailes 5, 6. Le capot 15 est monté de la même façon. Dans cette application, le rideau 20 renforcé par des barres d'armatures 21 se ramasse à la partie supérieure par enroulement autour d'un arbre 23. Ici aussi, le capot assure une fonction esthétique, une fonction d'étanchéité, et une fonction de protection contre les chutes d'objets, il permet par enlèvement un accès facile à la mécanique, et permet le retournement de la porte. Avec ce genre de rideau, l'effet amortisseur n'est pas recherché. Afin de positionner le rideau dans un plan vertical, le bord inférieur du capot permet de faire passer le rideau à une position stationnaire, en correspondance avec des glissières de guidage. Afin de réduire les frottements, le bord inférieur du capot 15 peut être muni de rouleaux ou galets 22 convenablement répartis.In FIG. 3, the upper cross member 3 is identical to that of FIGS. 1 and 2, with a bottom, or core 4, and two wings 5, 6. The cover 15 is mounted in the same way. In this application, the curtain 20 reinforced by reinforcing bars 21 is picked up at the top by winding around a shaft 23. Here too, the cover provides an aesthetic function, a sealing function, and a function of protection against falling objects, it allows easy access to the mechanics by removal, and allows the door to overturn. With this kind of curtain, the damping effect is not sought. In order to position the curtain in a vertical plane, the lower edge of the cover makes it possible to pass the curtain to a stationary position, in correspondence with guide rails. In order to reduce friction, the lower edge of the cover 15 can be provided with rollers or rollers 22 suitably distributed.

Le rideau peut s'enrouler dans l'autre sens. L'important est qu'il pende verticalement au droit du bourrelet du bord inférieur du capot, une fois descendu en position de repos. Un jour n'est pas gênant, quand le rideau n'est pas baissé.The curtain can roll up the other way. The important thing is that it hangs vertically to the right of the bead from the lower edge of the cover, once it has come down to the rest position. One day is not bothersome, when the curtain is not lowered.

Les figures 4 et 5 sont des vues analogues pour une porte sectionnelle, avec le rideau partiellement relevé sur la figure 4, et complètement abaissé sur la figure 5.Figures 4 and 5 are similar views for a sectional door, with the curtain partially raised in Figure 4, and completely lowered in Figure 5.

La traverse supérieure 3 de la porte est appliquée contre un mur 30 au-dessus d'une baie 31. Sur les deux côtés sont disposées des glissières 32 dont la partie correspondant à la baie est verticale, tandis qu'au-dessus la glissière est recourbée de façon à renvoyer le rideau à l'extérieur du plan de qla baie. Le rideau 33 est constitué ici de trois panneaux 33A, 33B et 33C articulés les uns aux autres et sur des barres 34A-D dont les extémités coulissent dans les glissières 32. En position descendue, le rideau obture la baie, les panneaux sont tous dans le même plan (figure 5). Le capot 35 a dans cet exemple une forme légèrement différente. Il est muni sur son côté inférieur d'un bourrelet d'étanchéité 36. Comme on peut le voir sur la figure 4, pendant le mouvement ascendant du rideau, l'étanchéité est réalisée lorsqu'une barre de renforcement et de guidage passe au droit du bourrelet, tandis qu'il y a un jour quand c'est la région médiane d'un panneau qui se trouve au niveau du bourrelet. Mais il ne s'agit là que d'un état transitoire, et ce pendant que la porte est ouverte au moins en partie. Quand la porte est fermée, le rideau est étanche. Le capot joue son rôle d'étanchéité et de protection. L'enlèvement du capot permet d'accéder à l'intérieur de la traverse, a partir de la face de la porte opposée aux extensions inclinées des glissières.The upper cross member 3 of the door is applied against a wall 30 above a bay 31. On the two sides are arranged slides 32 whose part corresponding to the bay is vertical, while above the slide is curved so as to return the curtain outside the plan of the bay. The curtain 33 consists here of three panels 33A, 33B and 33C hinged to each other and on bars 34A-D whose ends slide in the slides 32. In the lowered position, the curtain closes the opening, the panels are all in the same plane (Figure 5). The cover 35 has in this example a slightly different shape. It is provided on its lower side with a sealing bead 36. As can be seen in FIG. 4, during the upward movement of the curtain, the sealing is achieved when a reinforcing and guide bar passes straight of the bead, while there is a day when it is the middle region of a panel which is at the level of the bead. But this is only a transient state, and this while the door is at least partially open. When the door is closed, the curtain is waterproof. The hood plays its sealing and protective role. The removal of the cover allows access to the interior of the cross member, from the face of the door opposite the inclined extensions of the slides.

Dans ce dernier cas, le rideau ne passe pas par une ligne horizontale stationnaire, mais presque stationnaire pour déterminer, l'étanchéité en tous cas en position fermée.In the latter case, the curtain does not pass through a stationary horizontal line, but almost stationary to determine, the seal in any case in the closed position.

On remarquera que la présente invention est applicable aussi à des portes ayant un rideau à déplacement latéral.It will be noted that the present invention is also applicable to doors having a curtain with lateral displacement.

Claims (9)

  1. A raisable-curtain industrial door, comprising a rigid frame comprising two vertical lateral uprights (1, 2) interconnected at their top ends by a downwardly-open channel-section cross-member (3) having a web (4) and two flanges (5, 6) extending downwards to respective bottom edges (5A, 6A), and said cross-member housing mechanical members for operating the curtain, and said curtain having a top portion and being capable of being lowered or raised between the uprights, wherein the top portion of the curtain is situated at a distance below the web of the cross-member (3) below said mechanical members possibly below said cross-member, and a cover member (15) having parallel longitudinal top (15A) and bottom (15B) edges is fastened by its upper edge to a bottom edge (5A) of one of the flanges of the cross-member, and is oriented such that the bottom edge (15B) bears against the top portion of the curtain so as to provide a continuous closure between the cross-member and the curtain.
  2. A door according to claim 1, in which the top portion of the curtain is stationary, and said top portion is fixed to a bar (8) extending between the uprights, at a distance from the web of the cross-member enabling the mechanical members for operating the curtain to be placed between said bar and the web of the cross-member, the bottom edge (15B) of the cover being applied against the stationary top portion of the curtain.
  3. A door according to claim 1, in which the top portion of the curtain (20, 23) traverses, during raising and lowering, a substantially stationary position proximate a top portion of the door, said position being disposed beneath the mechanical members for operating the curtain, and the bottom edge (22, 26) of the cover being disposed in the proximity of said substantially stationary position.
  4. A door according to one of the preceeding claims, in which at least the bottom edge (5A) of said one of the flanges is folded through 180°, and the top edge (15A) of the cover is also folded through 180°, the two folded edges being engaged one in the other so that the bottom edge of the flange of the cross-member supports the cover.
  5. A door according to claim 4, in which a gasket (16) is interposed between the folded flange of the cross-member and the folded top edge of the cover.
  6. A door according to preceeding claims, in which the bottom edge of the cover is provided with sealing means (15B, 22, 36), such as a rim of rubber, a row of brush bristles, or similar.
  7. A door according to claim 2, in which discrete shock absorber components (17) are fixed to the bottom edge of the cover.
  8. A door according to claim 2, in which discrete shock absorber components (17) are fixed to the bar (8) to which the top portion of the curtain is fixed.
  9. A door according to claim 3, in which the bottom edge of the cover is provided with rotatably-mounted rollers or wheels.
EP92400477A 1991-03-05 1992-02-25 Removable sealing device for overhead industrial door Expired - Lifetime EP0502758B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9102587A FR2673667B1 (en) 1991-03-05 1991-03-05 REMOVABLE SEALING DEVICE FOR HANDLING DOOR WITH LIFT CURTAIN.
FR9102587 1991-03-05

Publications (2)

Publication Number Publication Date
EP0502758A1 EP0502758A1 (en) 1992-09-09
EP0502758B1 true EP0502758B1 (en) 1995-05-03

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EP92400477A Expired - Lifetime EP0502758B1 (en) 1991-03-05 1992-02-25 Removable sealing device for overhead industrial door

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US (1) US5183093A (en)
EP (1) EP0502758B1 (en)
JP (1) JPH0586775A (en)
AT (1) ATE122124T1 (en)
AU (1) AU1141892A (en)
CA (1) CA2062212A1 (en)
CS (1) CS65492A3 (en)
DE (1) DE69202284T2 (en)
FR (1) FR2673667B1 (en)
HU (1) HUT60836A (en)

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JP2007132093A (en) * 2005-11-10 2007-05-31 Disco Abrasive Syst Ltd Expansible curtain
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Publication number Publication date
FR2673667A1 (en) 1992-09-11
AU1141892A (en) 1992-09-10
EP0502758A1 (en) 1992-09-09
HU9200702D0 (en) 1992-05-28
CA2062212A1 (en) 1992-09-06
US5183093A (en) 1993-02-02
HUT60836A (en) 1992-10-28
ATE122124T1 (en) 1995-05-15
DE69202284T2 (en) 1995-10-26
FR2673667B1 (en) 1993-07-02
JPH0586775A (en) 1993-04-06
CS65492A3 (en) 1992-10-14
DE69202284D1 (en) 1995-06-08

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