EP1692364A1 - Door provided with a curtain which is raisable by winding and has an improved lateral tightness - Google Patents

Door provided with a curtain which is raisable by winding and has an improved lateral tightness

Info

Publication number
EP1692364A1
EP1692364A1 EP04805687A EP04805687A EP1692364A1 EP 1692364 A1 EP1692364 A1 EP 1692364A1 EP 04805687 A EP04805687 A EP 04805687A EP 04805687 A EP04805687 A EP 04805687A EP 1692364 A1 EP1692364 A1 EP 1692364A1
Authority
EP
European Patent Office
Prior art keywords
curtain
door
side walls
lateral
slide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04805687A
Other languages
German (de)
French (fr)
Other versions
EP1692364B1 (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
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nergeco SA filed Critical Nergeco SA
Publication of EP1692364A1 publication Critical patent/EP1692364A1/en
Application granted granted Critical
Publication of EP1692364B1 publication Critical patent/EP1692364B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • E06B9/13—Roller shutters with closing members of one piece, e.g. of corrugated sheet metal
    • 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
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/58—Guiding devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Load-Bearing And Curtain Walls (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)
  • Wing Frames And Configurations (AREA)

Abstract

The door has two lateral jambs, each with a slide (9) delimited by two flanges (8), and having upper ends connected by a transversal unit. A curtain (5) has lateral edges engaging with each slide. Each slide has a sealing profile (7) with a bottom wall (10) and two lateral walls (11) that are supported against the adjacent flanges. Edges (12) of the walls (11) are not in contact with jamb`s lateral edges, during rolling of the curtain.

Description

PORTE A RIDEAU RELEVABLE PAR ENROULEMENT A ETANCHEITE LATERALE AMELIOREE. La présente invention concerne un joint d'étanchéité et une porte à rideau relevable par enroulement à étanchéité latérale améliorée. Certaines activités industrielles, par exemple dans les domaines pharmaceutique, agroalimentaire ou électronique, doivent être réalisées dans des salles à atmosphère contrôlée dont la qualité a une influence directe sur la qualité des produits ou des opérations qui s'y déroulent. Ces salles sont généralement en surpression pour empêcher que des polluants ne pénètrent à l'intérieur de celles-ci. Il est bien entendu nécessaire d'accéder à ces salles par des ouvertures ou des baies qui sont fermées par des portes. Ces portes peuvent être des portes à rideau souple relevable par enroulement qui ont, comme extrême avantage, de pouvoir ouvrir et fermer une large baie de manière très rapide. La rapidité d'action, propre à ces portes, se révèle, extrêmement précieuse dans la mesure où elles permettent de minimiser la durée d'ouverture. Un problème, qui n'est toutefois pas solutionné de manière totalement satisfaisante par ces portes, est celui de leur étanchéité latérale lorsqu'elles sont en position de fermeture. En effet, on observe fréquemment, dans des salles maintenues en surpression, un débit de fuite qui se produit au niveau des bords latéraux du rideau. On a, certes, pensé équiper directement les bords latéraux du rideau d'éléments d'étanchéité qui viennent frotter contre des glissières latérales de la porte, comme cela peut être montré dans le document EP 623 731 . Un inconvénient majeur de ce mode de réalisation d'étanchéité tient au fait que, lors des opérations d'enroulement et déroulement du rideau, les éléments d'étanchéité frottent contre les glissières et finissant par s'user. Ceci a des conséquences doublement néfastes. D'une part, il faut remplacer les éléments d'étanchéité usés qui n'assurent plus leur fonction. Or, ceux-ci étant généralement soudés sur les bords latéraux du rideau, il faut démonter le rideau de la porte, le poser sur le sol, dessouder les éléments d'étanchéité latéraux usés, ressouder de nouveaux éléments d'étanchéité latéraux, puis remettre en place le rideau sur un arbre d'enroulement de la porte. Toutes ces opérations sont donc longues et rendent alors inopérantes la salle, puisque, devant ces opérations, le rideau est démonté et n'assure aucune fonction de fermeture. D'autre part, le frottement des éléments d'étanchéité sur les montants de la porte, produit des particules qui viennent polluer la salle dont l'accès est contrôlé par la porte. L'invention a pour but de résoudre les nombreux inconvénients de la technique antérieure et a, plus particulièrement, pour but de réaliser une étanchéité latérale pour une porte à rideau relevable par enroulement qui garantisse un faible débit de fuite, tout en étant facile à mettre en place et à remplacer. De manière connue en soi la porte comprend : - deux montants latéraux présentant chacun une glissière délimitée par deux ailes, - un élément transversal reliant les extrémités supérieures des montants latéraux, - un rideau souple possédant des bords latéraux s'engageant dans chacune des glissières, et - des moyens d'enroulement du rideau en une position d'ouverture de la porte. Selon l'invention, chacune des glissières est équipée d'un profilé d'étanchéité présentant une paroi de fond et deux parois latérales formant sensiblement un U chacune des parois latérales venant en appui contre l'aile qui lui est adjacente. Pour parfaire l'étanchéité et empêcher l'accumulation de polluants organiques ou minéraux, chaque paroi latérale du profilé d'étanchéité est d'une dimension telle qu'elle vient en appui contre l'aile de la glissière qui lui est adjacente. De façon avantageuse, chacune des parois latérales est munie d'au moins une lèvre pouvant venir en contact d'un bord latéral du rideau. Selon une caractéristique avantageuse de la porte, le rideau présente une bordure latérale continue et aplatie obtenue par soudure haute fréquence. Cette disposition permet de créer un contact linéique entre le rideau et le profilé d'étanchéité. De façon préférée, chacune des parois latérales et chaque lèvre sont effilées à leur extrémité de façon à être très flexibles. Selon une forme de réalisation au niveau de l'extrémité supérieure de chaque montant, une tête de guidage possède une section en U présentant une paroi de fond et deux parois latérales, chaque paroi latérale étant munie d'une nervure de guidage, la tête de guidage étant positionnée dans le prolongement de chaque profilé d'étanchéité. Pour sa bonne compréhension, l'invention est décrite en référence au dessin ci annexé représentant, à titre d'exemple non limitatif, une forme de réalisation d'une porte selon celle-ci. Figure 1 représente une porte en perspective, Figure 2 est une vue en couple selon ll-ll de figure 1 , Figure 3 est une vue en couple selon lll-lll de figure 1 , Figure 4 est une vue de dessus du montant, Figure 5 est une vue en perspective éclatée de la partie supérieure d'un montant de la porte. En se référant tout d'abord à la figure 1 , on peut voir que la porte présente deux montants 2 latéraux qui bordent une ouverture pratiquée dans une cloison. Une console 3 est placée à l'extrémité supérieure de chaque montant. Ces deux consoles 3 qui supportent un arbre, dans l'exemple représenté, est masqué par un carter transversal 4. Un rideau 5 est fixé sur l'arbre. Le rideau 5 est constitué de laizes horizontales de matériau souple, soudées bout à bout. On note également que le rideau 5 présente des barres 6 de raidissement. Comme on peut le voir sur la figure 2 qui montre un montant 2 en coupe transversale, celui-ci présente sur sa face tournée vers le rideau 5, deux ailes 8 délimitant entre elles une glissière 9. Selon les cas, les ailes 8 délimitant la glissière 9 peuvent faire parties intégrantes des montants 2 par exemple dans le cas de montants extrudés comme on peut le voir sur le dessin. Dans d'autres formes de réalisation, ces ailes peuvent également être rapportées sur les montants 2. Chaque bord latéral du rideau 5 s'insère dans la glissière 9 qui lui est adjacente. La caractéristique essentielle de la porte selon l'invention est qu'un profilé d'étanchéité 7 est placé dans le fond de chaque glissière 9. Le profilé d'étanchéité 7 présente une paroi de fond 10 et deux parois latérales 1 1 formant un U. Chaque paroi latérale 1 1 vient en appui contre l'aile 8 qui lui est adjacente. On note également que les faces de chacune des parois latérales 1 1 en regard l'une de l'autre sont pourvues d'une lèvre 12. Comme on peut le voir sur la figure 2, chaque lèvre 12 de même que les extrémités de chacune des parois latérales 1 1 sont effilées de façon à être très flexibles. Le profilé d'étanchéité 7 est fixé à l'intérieur de la glissière 9 par collage de sa paroi de fond 10 contre la paroi de fond de la glissière 9. En ce qui concerne le rideau 5, une particularité de celui-ci est qu'il présente une bordure latérale 14 continue et aplatie formée par soudure haute fréquence. La figure 4 montre la partie supérieure des montants 2 de la porte. On peut voir sur cette figure qu'une tête de guidage 15 est placée dans la glissière 9 dans le prolongement du profilé d'étanchéité 7. La tête de guidage 1 5 est un élément en matière plastique moulée possédant une section en U présentant une paroi de fond 17 et deux parois latérales 18. La figure 5 montre que, en plus, chaque paroi latérale 1 1 de la tête est équipée d'une nervure 19. La porte fonctionne de manière classique, c'est-à-dire par enroulement du rideau 5 sur l'axe pour permettre de traverser la porte et par déroulement du rideau 5 pour obtenir la fermeture de la porte. Dans le cas où la porte assure un accès à un local qui est en surpression, cette porte subit sur toute la surface de son rideau 5 une pression, lorsqu'elle est en position de fermeture. Les bordures latérales du rideau 5 viennent alors, sous l'effet de la pression, se plaquer contre l'une des lèvres 12 du profilé d'étanchéité 7 selon la face du rideau 5 soumis à une surpression. Dans la partie supérieure des montants 2, les bordures du rideau 5 sont en appui contre les nervures de la tête de guidage 15. On n'observe alors un très faible débit de fuite par les bords latéraux du rideau 5. L'étanchéité créée par le profilé est alors essentiellement statique. Lors de l'enroulement du rideau 5, celui-ci n'est plus soumis à une pression quelconque, du fait du débit de fuite massif qui se produit au niveau de la barre de seuil du rideau 5. Les bordures latérales du rideau 5 ne sont donc plus en appui contre les lèvres 12. Ainsi, il ne se produit qu'un frottement minimum entre le rideau 5 et le profilé d'étanchéité 7, ce qui a pour avantage une durée de vie très longue du profilé et une moindre formation de débris due à la friction. Il se produit néanmoins une usure du profilé. Lorsqu'il n'assure plus ses fonctions, son remplacement est extrêmement facile puisqu'il suffit de relever le rideau 5, de décoller le profilé usagé puis de replacer un profilé neuf dans les glissières 9. Cette opération peut se faire en un temps très réduit et par un personnel de maintenance ne disposant pas de qualification spécifique. Bien entendu, l'invention n'est pas limitée à la forme de réalisation décrite ci-dessus à titre d'exemple, mais elle en embrasse au contraire toutes les formes de réalisation. CURTAIN DOOR LIFT BY WINDING WITH IMPROVED SIDE SEALING. The present invention relates to a seal and a curtain door that can be lifted by winding with improved lateral sealing. Certain industrial activities, for example in the pharmaceutical, agrifood or electronic fields, must be carried out in rooms with controlled atmosphere, the quality of which has a direct influence on the quality of the products or of the operations which take place there. These rooms are generally overpressure to prevent pollutants from entering inside them. It is of course necessary to access these rooms through openings or openings which are closed by doors. These doors can be doors with a flexible curtain that can be lifted up by rolling up, which have the extreme advantage of being able to open and close a large opening very quickly. The speed of action, specific to these doors, turns out to be extremely precious in that they allow the opening time to be minimized. One problem, which is not however completely satisfactorily resolved by these doors, is that of their lateral tightness when they are in the closed position. Indeed, we frequently observe, in rooms maintained at overpressure, a leakage rate which occurs at the lateral edges of the curtain. It has certainly been thought to directly equip the lateral edges of the curtain with sealing elements which rub against the side rails of the door, as can be shown in document EP 623 731. A major drawback of this sealing embodiment is that, during the winding and unwinding of the curtain, the sealing elements rub against the slides and eventually wear out. This has doubly harmful consequences. On the one hand, it is necessary to replace the worn sealing elements which no longer ensure their function. However, these are generally welded to the side edges of the curtain, it is necessary to dismantle the curtain of the door, place it on the floor, unsolder the worn side seals, reweld new side seals, then replace the curtain on a door winding shaft. All these operations are therefore long and then render the room inoperative, since, before these operations, the curtain is dismantled and does not perform any closing function. On the other hand, the friction of the sealing elements on the door jambs, produces particles which pollute the room whose access is controlled by the door. The object of the invention is to solve the numerous drawbacks of the prior art and, more particularly, is to provide a lateral seal for a door with a curtain which can be lifted up by winding, which guarantees a low leakage rate, while being easy to put on. in place and replace. In a manner known per se, the door comprises: - two lateral uprights each having a slide delimited by two wings, - a transverse element connecting the upper ends of the lateral uprights, - a flexible curtain having lateral edges engaging in each of the slides, and - means for winding the curtain in an open position of the door. According to the invention, each of the slides is equipped with a sealing profile having a bottom wall and two side walls substantially forming a U each of the side walls coming to bear against the wing which is adjacent to it. To complete the seal and prevent the accumulation of organic or mineral pollutants, each side wall of the seal profile is of such a size that it comes to bear against the flange of the slide which is adjacent to it. Advantageously, each of the side walls is provided with at least one lip which can come into contact with a lateral edge of the curtain. According to an advantageous characteristic of the door, the curtain has a continuous and flattened lateral border obtained by high welding frequency. This arrangement makes it possible to create a linear contact between the curtain and the sealing profile. Preferably, each of the side walls and each lip are tapered at their ends so as to be very flexible. According to an embodiment at the upper end of each upright, a guide head has a U-section having a bottom wall and two side walls, each side wall being provided with a guide rib, the head guide being positioned in the extension of each sealing profile. For a good understanding, the invention is described with reference to the attached drawing representing, by way of nonlimiting example, an embodiment of a door according to it. Figure 1 shows a door in perspective, Figure 2 is a couple view along ll-ll of Figure 1, Figure 3 is a couple view along lll-lll of Figure 1, Figure 4 is a top view of the upright, Figure 5 is an exploded perspective view of the upper part of a door jamb. Referring first to Figure 1, we can see that the door has two side uprights 2 which border an opening in a partition. A console 3 is placed at the upper end of each upright. These two brackets 3 which support a shaft, in the example shown, is masked by a transverse casing 4. A curtain 5 is fixed on the shaft. The curtain 5 consists of horizontal widths of flexible material, welded end to end. We also note that the curtain 5 has stiffening bars 6. As can be seen in Figure 2 which shows an upright 2 in cross section, it has on its face facing the curtain 5, two wings 8 delimiting between them a slide 9. Depending on the case, the wings 8 delimiting the slide 9 can be an integral part of the uprights 2 for example in the case of extruded uprights as can be seen in the drawing. In other embodiments, these wings can also be attached to the uprights 2. Each lateral edge of the curtain 5 is inserted in the slide 9 which is adjacent to it. The essential characteristic of the door according to the invention is that a sealing profile 7 is placed in the bottom of each slide 9. The sealing profile 7 has a bottom wall 10 and two side walls 11 forming a U Each side wall 1 1 bears against the wing 8 which is adjacent to it. It is also noted that the faces of each of the side walls 1 1 facing each other are provided with a lip 12. As can be seen in Figure 2, each lip 12 as well as the ends of each side walls 1 1 are tapered so as to be very flexible. The sealing profile 7 is fixed inside the slide 9 by gluing its bottom wall 10 against the bottom wall of the slide 9. With regard to the curtain 5, a special feature of it is that 'It has a continuous and flattened side edge 14 formed by high frequency welding. Figure 4 shows the upper part of the uprights 2 of the door. It can be seen in this figure that a guide head 15 is placed in the slide 9 in the extension of the sealing profile 7. The guide head 1 5 is a molded plastic element having a U-section having a wall bottom 17 and two side walls 18. Figure 5 shows that, in addition, each side wall 1 1 of the head is equipped with a rib 19. The door operates in a conventional manner, that is to say by winding curtain 5 on the axis to allow to pass through the door and by rolling curtain 5 to obtain the closing of the door. In the case where the door provides access to a room which is overpressure, this door is subjected to pressure over the entire surface of its curtain 5 when it is in the closed position. The lateral edges of the curtain 5 then come, under the effect of the pressure, to be pressed against one of the lips 12 of the sealing profile 7 along the face of the curtain 5 subjected to an overpressure. In the upper part of the uprights 2, the edges of the curtain 5 bear against the ribs of the guide head 15. A very low leakage rate is then observed through the lateral edges of the curtain 5. The seal created by the profile is then essentially static. During the winding of the curtain 5, it is no longer subjected to any pressure, due to the massive leakage rate which occurs at the threshold bar of the curtain 5. The lateral edges of the curtain 5 do not are therefore more pressing against the lips 12. Thus, there is only a minimum friction between the curtain 5 and the sealing profile 7, which has the advantage of a very long service life of the profile and less formation debris from friction. However, there is wear of the profile. When it no longer performs its functions, its replacement is extremely easy since it suffices to raise the curtain 5, to take off the used profile then to replace a new profile in the slides 9. This operation can be done in a very short time. reduced and by maintenance personnel without specific qualifications. Of course, the invention is not limited to the embodiment described above by way of example, but on the contrary embraces all of the embodiments.

Claims

REVENDICATIONS 1 . Porte comprenant : - deux montants latéraux présentant chacun une glissière (9) délimitée par deux ailes (8), - un élément transversal reliant les extrémités supérieures des montants latéraux, - un rideau (5) souple possédant des bords latéraux s'engageant dans chacune des glissières (9), et - des moyens d'enroulement du rideau (5) en une position d'ouverture de la porte, caractérisée en ce que chacune des glissières (9) est équipée d'un profilé d'étanchéité (7) présentant une paroi de fond (10) et deux parois latérales (1 1 ) formant sensiblement un U, chacune des parois latérales (1 1 ) venant en appui contre l'aile (8) qui lui est adjacente. 2. Porte selon la revendication 1 , caractérisée en ce que chacune des parois latérales (1 1 ) étant munie d'au moins une lèvre (12) pouvant venir en contact d'un bord latéral du rideau (5). 3. Porte selon la revendication 1 ou la revendication 2, caractérisée en ce que chaque paroi latérale (1 1 ) du profilé d'étanchéité (7) est d'une dimension telle qu'elle vient en appui contre l'aile (8) de la glissière (9) qui lui est adjacente. 4. Porte selon l'une des revendications 1 à 3, caractérisée en ce que le rideau (5) présente une bordure latérale (14) continue et aplatie par soudure haute fréquence. 5. Porte selon l'une des revendications 1 à 4, caractérisée en ce que chacune des parois latérales (1 1 ) et chaque lèvre (12) sont effilées à leur extrémité. 6. Porte selon l'une des revendications 1 à 5, caractérisée en ce que, au niveau de l'extrémité supérieure de chaque montant, une tête de guidage (15) possède une section en U présentant une paroi de fond (17) et deux parois latérales (18), chaque paroi latérale (18) étant munie d'une nervure (19) de guidage, la tête de guidage (15) étant positionnée dans le prolongement de chaque profilé d'étanchéité (7). CLAIMS 1. Door comprising: - two lateral uprights each having a slide (9) delimited by two wings (8), - a transverse element connecting the upper ends of the lateral uprights, - a flexible curtain (5) having lateral edges engaging in each slides (9), and - curtain winding means (5) in an open position of the door, characterized in that each of the slides (9) is equipped with a sealing profile (7) having a bottom wall (10) and two side walls (1 1) substantially forming a U, each of the side walls (1 1) coming to bear against the wing (8) which is adjacent to it. 2. Door according to claim 1, characterized in that each of the side walls (1 1) being provided with at least one lip (12) which can come into contact with a lateral edge of the curtain (5). 3. Door according to claim 1 or claim 2, characterized in that each side wall (1 1) of the sealing profile (7) is of a size such that it abuts against the wing (8) of the slide (9) which is adjacent to it. 4. Door according to one of claims 1 to 3, characterized in that the curtain (5) has a continuous side edge (14) and flattened by high frequency welding. 5. Door according to one of claims 1 to 4, characterized in that each of the side walls (1 1) and each lip (12) are tapered at their end. 6. Door according to one of claims 1 to 5, characterized in that, at the upper end of each upright, a guide head (15) has a U-section having a bottom wall (17) and two side walls (18), each side wall (18) being provided with a guide rib (19), the guide head (15) being positioned in the extension of each sealing profile (7).
EP04805687A 2003-12-11 2004-12-10 Door provided with a curtain which is raisable by winding and has an improved lateral tightness Not-in-force EP1692364B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0314528A FR2863646B1 (en) 2003-12-11 2003-12-11 IMPROVED CURTAIN DOOR BY ROLLER WITH IMPROVED SIDE SEAL
PCT/FR2004/003189 WO2005059292A1 (en) 2003-12-11 2004-12-10 Door provided with a curtain which is raisable by winding and has an improved lateral tightness

Publications (2)

Publication Number Publication Date
EP1692364A1 true EP1692364A1 (en) 2006-08-23
EP1692364B1 EP1692364B1 (en) 2011-06-29

Family

ID=34610578

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04805687A Not-in-force EP1692364B1 (en) 2003-12-11 2004-12-10 Door provided with a curtain which is raisable by winding and has an improved lateral tightness

Country Status (7)

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US (2) US20100006239A1 (en)
EP (1) EP1692364B1 (en)
JP (1) JP4777902B2 (en)
AT (1) ATE514833T1 (en)
AU (2) AU2004299678A1 (en)
FR (1) FR2863646B1 (en)
WO (1) WO2005059292A1 (en)

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Also Published As

Publication number Publication date
WO2005059292A1 (en) 2005-06-30
JP2007514082A (en) 2007-05-31
JP4777902B2 (en) 2011-09-21
AU2004299678A1 (en) 2005-06-30
AU2011200031B2 (en) 2012-03-15
ATE514833T1 (en) 2011-07-15
FR2863646A1 (en) 2005-06-17
US20120205057A1 (en) 2012-08-16
AU2011200031A1 (en) 2011-01-27
US20100006239A1 (en) 2010-01-14
EP1692364B1 (en) 2011-06-29
FR2863646B1 (en) 2006-02-24

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