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EP1680571B1 - Double screen rapid door - Google Patents

Double screen rapid door Download PDF

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Publication number
EP1680571B1
EP1680571B1 EP04791549A EP04791549A EP1680571B1 EP 1680571 B1 EP1680571 B1 EP 1680571B1 EP 04791549 A EP04791549 A EP 04791549A EP 04791549 A EP04791549 A EP 04791549A EP 1680571 B1 EP1680571 B1 EP 1680571B1
Authority
EP
European Patent Office
Prior art keywords
door according
curtain
bars
screen
uprights
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
EP04791549A
Other languages
German (de)
French (fr)
Other versions
EP1680571A1 (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 EP1680571A1 publication Critical patent/EP1680571A1/en
Application granted granted Critical
Publication of EP1680571B1 publication Critical patent/EP1680571B1/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
    • E06B9/06—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
    • 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
    • E06B9/0615—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 closing elements
    • E06B9/063—Bars or rods perpendicular to the closing direction
    • 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
    • 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
    • E06B9/15—Roller shutters with closing members formed of slats or the like
    • E06B2009/1505—Slat details
    • E06B2009/1527—Transparent slats or transparent sections in slats
    • 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
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B2009/2423—Combinations of at least two screens
    • E06B2009/2447—Parallel screens
    • E06B2009/2458—Parallel screens moving simultaneously
    • 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
    • E06B9/0669—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 in a zig-zag arrangement

Definitions

  • the present invention relates to a vertical opening door having a flexible curtain that can occupy a closed position or an open position by folding to a desired height having a curtain comprising two flexible screens delimiting an air mattress achieving a thermal or sound insulation .
  • doors thanks to the greater thermal and sound insulation they provide compared to single-screen doors, are particularly suitable for closing the bays of buildings facing the outside, especially to delimit a zone subject to the wind, bad weather and large differences in temperature. These doors can also be used to delimit two zones, one of which has a high noise level.
  • the structure of these doors may consist of horizontal bars held together by cables or straps. Horizontal strips of flexible fabric, usually PVC, are reported on these bars to form on each side thereof two screens that delimit an air mattress. Fastening bands is usually done by bolting on each side of the structure thus defined.
  • the strips of fabric tend to form a fold and yawn.
  • the strips of fabric especially depending on the temperature conditions, can relax and form a yawn, and then do not press against the amount of the door.
  • Doors of this type also have disadvantages since there is a discontinuity of the screen at the end of the horizontal bars. Indeed, at these areas the veneer against the amounts is non-existent.
  • a mobile acoustic insulation device which comprises two parallel sheets.
  • the device described in this document has two hinged flaps that come to press against each of the sheets to achieve lateral sealing.
  • the invention aims to provide a double-screen door delimiting an air mattress, while being a simple implementation, while having a high seal.
  • the invention relates to a door having the provisions of claim 1.
  • the basic idea underlying the invention is, in a double-screen curtain, to place stiffening bars in the sleeves provided in each screen so that the inner face of each of the two outer faces of the dual screen is flat and is always stretched in the closed position so that, against a guide channel in the vertical uprights, it forms a surface contact that provides a complete seal of the air mat formed between the two screens.
  • the curtain moreover, can be entirely manufactured in factory then simply mounted on the final site.
  • the sleeves of each of the screens are facing two by two.
  • At least one pair of two stiffening bars engaged in two sleeves facing each other, has at least a spacer connecting said bars.
  • the spacer has an opening for the passage of the lifting strap.
  • At least two pairs of braced stiffening bars alternate with at least one pair of non-braced stiffening bars, so that, in the raised position of the curtain, alternate folding folds form symmetrically with respect to the plane opening of the door.
  • the lower part of the curtain For sealing the door at its lower edge, the lower part of the curtain, formed by the junction fold of the two screens, receives a flexible element consisting of a flexible sheath containing a flexible material.
  • the flexible element is constituted by a flexible bar comprising a spring wrapped with foam.
  • each stiffening bar are provided with guide elements with respect to each of the uprights.
  • the stiffening bars have a flexibility that makes it possible to absorb an abnormal shock to pull out, to disengage or to de-apply the slides without undergoing permanent deformation so that the curtain is not damaged in a collision for example with a vehicle.
  • the flexible bar retained in the junction fold of the two screens, the lower pair of braced bars and the pair of consecutive non-braced bars are at such distances that, in the raised position of the curtain, the flexible bar protrudes from the folds formed by each screen folded so that in the event of a collision with the curtain, the contact is made with the flexible bar rather than with a stiffening bar.
  • each screen consists of a multilayer complex.
  • each screen has, at the same height, at least one transverse panel of transparent material.
  • each screen is provided with at least one shape memory bender which can form a fold towards the outside of the curtain in the folded position thereof.
  • the curtain is formed in a single element of flexible material and is folded back on itself to form two screens.
  • each screen comprises at least two transverse flexible material panels connected by a sheath.
  • each stiffening bar of a pair of non-braced bars are provided with a guide tip having a flat portion oriented in the plane of the screen in which the bar is located.
  • a spacer connects the ends of a pair of bars and supports a roller engageable between two rails formed in each of the vertical uprights.
  • filling tips are engaged at the end of each bar to prevent the formation of folds.
  • a cable is engaged in at least one sheath whose ends are guided relative to the vertical uprights.
  • the door comprises two lateral uprights 2 connected to their upper ends by a caisson 3.
  • the caisson 3 can also be called a crosshead.
  • the door comprises a flexible curtain 10 which can be folded in the upper part of the door, that is to say under the box 3, to allow the passage of people or of vehicles through it.
  • the curtain 10 consists of two parallel screens 11a, 11b. These two screens 11a, 11b delimit an air mattress which gives the door a great sound and heat insulation.
  • each screen 11a, 11b consists of panels 12 of flexible material; it can be transparent or opaque PVC. As can be seen on the figure 2 between two consecutive panels 12, two superimposed strips 13 are welded to each of the panels 12 and thus form a sheath 15.
  • each of the screens 11a, 11b has four equidistant sleeves 15; the number of sleeves 15 depends of course on the height of the door.
  • stiffening bar 16 is engaged inside each sleeve 15.
  • This stiffening bar 16 is made of flexible material that can be a pultruded composite.
  • the sleeves 15 of each screen 11 are arranged in such a way that the stiffening bars 16 are placed in pairs at the same height to form a pair of stiffening bars.
  • stiffening bars 16 of the same pair are connected by two spacers 18.
  • the assembly formed by these two bars 16 braced thus has a high inertia module.
  • the pairs of braced and non-braced bars 16 are alternated.
  • the raising of the curtain is controlled by two lifting straps 20.
  • One end of each strap is connected to a shaft 19 fixed in the housing 3 of the door and whose other end is connected to the pair of the lowest braced stiffening bar. It is specified that the spacers 18 connecting the stiffening bars located above the lower braced pair are provided with an opening 21 for the passage of a lifting strap 20.
  • the curtain 10 is provided at the junction fold of the two screens 11a, 11b of a flexible bar 22 which may consist of a spring wrapped with absorbent foam.
  • FIGS. 3 and 4 illustrate the manner in which the guidance of the end of the stiffening bars can be done according to one embodiment of the invention with respect to the lateral uprights 2.
  • the uprights 2 themselves have two parallel rails 24 and 25.
  • guide tips 28 are fitted into each of the stiffening bars 16. These tips 28 have a cylindrical portion 29 whose diameter corresponds to the inner diameter of the stiffening bars, which allows the engagement of the ends in the stiffening bars.
  • the cylindrical portion of the tip is extended by a frustoconical portion 30 which itself extends into a flat portion 31.
  • the tips 28 are engaged in the stiffening bars with an orientation such that the flat portion 31 is in the plane of each screen.
  • each stiffening bar bears against the outer face of the slideways 24, 25 through the end pieces which provide surface contact against the latter.
  • the figure 4 represents in section the guide of a pair of stiffening bars connected by spacers.
  • a spacer 33 secures them.
  • the band 13 constituting the inner wall of the sheath 15 has a cutout allowing the spacer 33 to assume the junction with the stiffening bars 16.
  • the spacer 33 supports a roller 32 whose diameter is slightly smaller than the distance between the slideways 24 and 25.
  • filling tips 34 are engaged in the ends of the stiffening bars 16 which prevent the formation of folds at the end of bars 16.
  • each screen 11a 11b When the curtain 10 is in the closed position, the inner faces of each screen 11a 11b are applied against the rails of the uprights as can be seen on the figure 3 or on the figure 4 thanks in particular to the guide elements, namely tip 28 and roller 32.
  • the stiffening bars 16 are contained in each screen 11a, 11b.
  • This flat and continuous contact of the lateral edges of each screen against the uprights gives the door a remarkable seal while benefiting from a curtain which has good weather resistance and, especially to the wind, thanks to the numerous bars 16 stiffening.
  • the invention thus provides a door having the many stated advantages.
  • This door has in particular excellent lateral sealing.
  • the implementation of a door on site according to the invention is considerably simpler than the establishment of doors as they are known in the state of the technique that requires an on-site assembly of screens.
  • sleeves of each screen could be formed by an overlapping area of the panels and by two parallel welding lines or by a strip welded directly to the outer face of a panel.

Landscapes

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

Description

La présente invention concerne une porte à ouverture verticale ayant un rideau souple pouvant occuper une position de fermeture ou une position d'ouverture par repliement à une hauteur souhaitée ayant un rideau comprenant deux écrans souples délimitant un matelas d'air réalisant une isolation thermique ou phonique.The present invention relates to a vertical opening door having a flexible curtain that can occupy a closed position or an open position by folding to a desired height having a curtain comprising two flexible screens delimiting an air mattress achieving a thermal or sound insulation .

Ces portes, grâce au surcroît d'isolation thermique et phonique qu'elles procurent par rapport au portes à simple écran, sont particulièrement adaptées à la fermeture de baies de bâtiments donnant sur l'extérieur, notamment pour délimiter une zone soumise au vent, aux intempéries et à de grandes différences de température. Ces portes peuvent également être mises en oeuvre pour délimiter deux zones dont l'une présente un niveau sonore élevé.These doors, thanks to the greater thermal and sound insulation they provide compared to single-screen doors, are particularly suitable for closing the bays of buildings facing the outside, especially to delimit a zone subject to the wind, bad weather and large differences in temperature. These doors can also be used to delimit two zones, one of which has a high noise level.

La structure de ces portes peut être constituée de barres horizontales maintenues entre elles par des câbles ou par des sangles. Des bandes horizontales de tissu souple, généralement de PVC, sont rapportées sur ces barres pour former de chaque côté de celles-ci deux écrans qui délimitent un matelas d'air. La fixation des bandes se fait de manière habituelle, par boulonnage, sur chaque coté de la structure ainsi définie.The structure of these doors may consist of horizontal bars held together by cables or straps. Horizontal strips of flexible fabric, usually PVC, are reported on these bars to form on each side thereof two screens that delimit an air mattress. Fastening bands is usually done by bolting on each side of the structure thus defined.

Le montage de ces portes s'avère donc assez fastidieux. Il exige un personnel très qualifié et demande beaucoup de temps.The assembly of these doors is therefore quite tedious. It requires highly qualified staff and takes a lot of time.

De plus, ce type de porte présente un inconvénient sérieux dans la mesure où l'étanchéité entre les écrans et les montants verticaux de la porte s'avère très imparfaite.In addition, this type of door has a serious drawback in that the seal between the screens and the vertical uprights of the door is very imperfect.

En effet, on constate que les bandes de tissu ont tendance à former un pli et à bâiller. En d'autres termes, comme la distance entre les barres horizontales est fixée par des câbles ou par des courroies, les bandes de tissu, notamment en fonction des conditions de température, peuvent se détendre et former un bâillement, et alors ne plaquent pas contre le montant de la porte.Indeed, it is found that the strips of fabric tend to form a fold and yawn. In other words, as the distance between the horizontal bars is fixed by cables or belts, the strips of fabric, especially depending on the temperature conditions, can relax and form a yawn, and then do not press against the amount of the door.

Ce bâillement est évidemment désastreux pour la bonne isolation que la porte est censée créer.This yawning is obviously disastrous for the good insulation that the door is supposed to create.

Il existe également des portes à deux écrans parallèles dans lesquelles les barres horizontales comprennent des rainures de section trapézoïdale ou en goutte d'eau dans lesquelles sont engagés les bords horizontaux des bandes de tissu.There are also doors with two parallel screens in which the horizontal bars comprise grooves of trapezoidal section or drop of water in which are engaged the horizontal edges of the fabric strips.

Les portes de ce type présentent également des inconvénients puisqu'il existe une discontinuité de l'écran au niveau de l'extrémité des barres horizontales. En effet, au niveau de ces zones le placage contre les montants est inexistant.Doors of this type also have disadvantages since there is a discontinuity of the screen at the end of the horizontal bars. Indeed, at these areas the veneer against the amounts is non-existent.

Par ailleurs, l'introduction des bandes de tissu dans les rainures en forme de goutte d'eau peut être assez difficile, surtout dans le cas de porte de grande largeur.Moreover, the introduction of the strips of fabric in the teardrop-shaped grooves can be quite difficult, especially in the case of wide-width doors.

On connaît également par le document FR-A-2 769 944 une porte dans laquelle les moyens en traction de l'écran sont isolés de l'extérieur. Si ce document prévoit une étanchéité desmoyens de traction, il est en revanche totalement silencieux sur la gestion de l'étanchéité latérale entre un écran et les montants d'une porte.It is also known from the document FR-A-2,769,944 a door in which the tensile means of the screen are isolated from the outside. If this document provides a tightness of traction means, it is however completely silent on the management of the lateral sealing between a screen and the amounts of a door.

On connaît, par le document GB-965 1441 , un dispositif d'isolation acoustique mobile qui comprend deux feuilles parallèles. Le dispositif décrit dans ce document possède deux rabats articulés qui viennent plaquer contre chacune des feuilles pour réaliser l'étanchéité latérale.We know, by the document GB-965 1441 , a mobile acoustic insulation device which comprises two parallel sheets. The device described in this document has two hinged flaps that come to press against each of the sheets to achieve lateral sealing.

L'invention a pour but de proposer une porte à double écran délimitant un matelas d'air, tout en étant d'une mise en oeuvre simple, tout en présentant une grande étanchéité.The invention aims to provide a double-screen door delimiting an air mattress, while being a simple implementation, while having a high seal.

L'invention a pour objet une porte présentant les dispostions de la revendication 1.The invention relates to a door having the provisions of claim 1.

L'idée fondamentale à la base de l'invention consiste, dans un rideau à double écran, à placer des barres de raidissement dans des fourreaux ménagés dans chaque écran de façon à ce que la face intérieure de chacune des deux faces extérieures du double écran soit plane et soit toujours tendue en position de fermeture pour que, en venant contre une glissière ménagée dans les montants verticaux, il se forme un contact surfacique qui offre une totale étanchéité du matelas d'air formé entre les deux écrans. Le rideau, en outre, peut être entièrement fabriqué en usine puis simplement monté sur le site final.The basic idea underlying the invention is, in a double-screen curtain, to place stiffening bars in the sleeves provided in each screen so that the inner face of each of the two outer faces of the dual screen is flat and is always stretched in the closed position so that, against a guide channel in the vertical uprights, it forms a surface contact that provides a complete seal of the air mat formed between the two screens. The curtain, moreover, can be entirely manufactured in factory then simply mounted on the final site.

De façon avantageuse, les fourreaux de chacun des écrans sont en regard deux à deux.Advantageously, the sleeves of each of the screens are facing two by two.

Pour augmenter le module d'inertie de rideau et donc améliorer sa tenue notamment lorsque la porte est soumise au vent, au moins une paire de deux barres de raidissement, engagées dans deux fourreaux en regard l'un de l'autre, présente au moins une entretoise reliant lesdites barres.To increase the curtain inertia modulus and thus improve its holding especially when the door is subjected to the wind, at least one pair of two stiffening bars, engaged in two sleeves facing each other, has at least a spacer connecting said bars.

Avantageusement, l'entretoise présente une ouverture pour le passage de la sangle de relèvement.Advantageously, the spacer has an opening for the passage of the lifting strap.

Selon une possibilité avantageuse, au moins deux paires de barres de raidissement entretoisées alternent avec au moins une paire de barres de raidissement non entretoisées, de telle sorte que, en position relevée du rideau, des plis de repliement alternés se forment symétriquement par rapport au plan d'ouverture de la porte.According to one advantageous possibility, at least two pairs of braced stiffening bars alternate with at least one pair of non-braced stiffening bars, so that, in the raised position of the curtain, alternate folding folds form symmetrically with respect to the plane opening of the door.

Pour l'étanchéité de la porte au niveau de son bord inférieur, la partie inférieure du rideau, formée par le pli de jonction des deux écrans, reçoit un élément souple constitué par une gaine souple contenant un matériau souple.For sealing the door at its lower edge, the lower part of the curtain, formed by the junction fold of the two screens, receives a flexible element consisting of a flexible sheath containing a flexible material.

Selon une possibilité, l'élément souple est constitué par une barre souple comprenant un ressort gainé de mousse.According to one possibility, the flexible element is constituted by a flexible bar comprising a spring wrapped with foam.

Selon une forme de réalisation, les extrémités de chaque barre de raidissement sont munies d'éléments de guidage par rapport à chacun des montants.According to one embodiment, the ends of each stiffening bar are provided with guide elements with respect to each of the uprights.

De préférence, les barres de raidissement présentent une souplesse permettant d'absorber un choc anormal de sortir, de se désengager ou de se désappliquer des glissières sans subir de déformation permanente pour que le rideau ne soit pas endommagé lors d'une collision par exemple avec un véhicule.Preferably, the stiffening bars have a flexibility that makes it possible to absorb an abnormal shock to pull out, to disengage or to de-apply the slides without undergoing permanent deformation so that the curtain is not damaged in a collision for example with a vehicle.

Avantageusement, la barre souple retenue dans le pli de jonction des deux écrans, la paire inférieure de barres entretoisées et la paire de barres non entretoisées consécutives sont à des distances telles que, en position relevée du rideau, la barre souple dépasse des plis formés par chaque écran replié de façon à ce que en cas de collision avec le rideau, le contact se fasse avec la barre souple plutôt qu'avec une barre de raidissement.Advantageously, the flexible bar retained in the junction fold of the two screens, the lower pair of braced bars and the pair of consecutive non-braced bars are at such distances that, in the raised position of the curtain, the flexible bar protrudes from the folds formed by each screen folded so that in the event of a collision with the curtain, the contact is made with the flexible bar rather than with a stiffening bar.

Selon une possibilité, chaque écran est constitué d'un complexe multicouche.According to one possibility, each screen consists of a multilayer complex.

Dans une forme de réalisation avantageuse, chaque écran présente, à même hauteur, au moins un panneau transversal en matériau transparent.In an advantageous embodiment, each screen has, at the same height, at least one transverse panel of transparent material.

Selon une alternative, entre deux paires de barres entretroisées, chaque écran est muni d'au moins un plieur à mémoire de forme pouvant former un pli vers l'extérieur du rideau en position repliée de celui-ci.According to one alternative, between two pairs of crossed bars, each screen is provided with at least one shape memory bender which can form a fold towards the outside of the curtain in the folded position thereof.

En ce qui concerne le rideau, selon une possibilité, il est formé dans un unique élément de matériau souple puis est replié sur lui-même pour former deux écrans.Regarding the curtain, according to one possibility, it is formed in a single element of flexible material and is folded back on itself to form two screens.

Selon une autre possibilité, chaque écran comprend au moins deux panneaux de matériau souple transversaux reliés par un fourreau.According to another possibility, each screen comprises at least two transverse flexible material panels connected by a sheath.

Avantageusement, les extrémités de chaque barre de raidissement d'une paire de barres non entretoisées sont munies d'un embout de guidage présentant une partie plane orientée dans le plan de l'écran dans lequel se trouve la barre.Advantageously, the ends of each stiffening bar of a pair of non-braced bars are provided with a guide tip having a flat portion oriented in the plane of the screen in which the bar is located.

Selon une possibilité, une entretoise relie les extrémités d'une paire de barres et supporte un galet pouvant s'engager entre deux glissières formées dans chacun des montants verticaux.According to one possibility, a spacer connects the ends of a pair of bars and supports a roller engageable between two rails formed in each of the vertical uprights.

De plus, on peut prévoir que des embouts de remplissage sont engagés à l'extrémité de chacune des barres pour éviter la formation de plis.In addition, it can be provided that filling tips are engaged at the end of each bar to prevent the formation of folds.

Selon une possibilité de réalisation des moyens de raidissement des écrans souples, un câble est engagé dans au moins un fourreau dont les extrémités sont guidées par rapport aux montants verticaux.According to one possible embodiment of the stiffening means of the flexible screens, a cable is engaged in at least one sheath whose ends are guided relative to the vertical uprights.

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 en perspective une porte à double écran selon l'invention.
  • Figure 2 est une section du rideau constituant la porte ;
  • Figure 3 et 4 est une vue en coupe de la porte au niveau d'un montant de celle-ci.
For a good understanding the invention is described with reference to the accompanying drawing showing by way of non-limiting example an embodiment of a door according thereto.
  • Figure 1 represents in perspective a double-screen door according to the invention.
  • Figure 2 is a section of the curtain constituting the door;
  • Figure 3 and 4 is a sectional view of the door at an amount thereof.

En se référant au dessin, on peut voir que la porte comprend deux montants 2 latéraux reliés à leurs extrémités supérieures par un caisson 3. Le caisson 3 peut également être appelé traverse. Pour fermer la baie délimitée par les montants et le caisson, la porte comprend un rideau 10 souple qui peut se replier dans la partie supérieure de la porte, c'est-à-dire sous le caisson 3, pour permettre le passage de personnes ou de véhicules à travers celle-ci.Referring to the drawing, it can be seen that the door comprises two lateral uprights 2 connected to their upper ends by a caisson 3. The caisson 3 can also be called a crosshead. To close the bay delimited by the uprights and the box, the door comprises a flexible curtain 10 which can be folded in the upper part of the door, that is to say under the box 3, to allow the passage of people or of vehicles through it.

Comme cela apparaît à la figure 1, le rideau 10 est constitué de deux écrans parallèles 11a, 11b. Ces deux écrans 11a, 11b délimitent un matelas d'air qui confère à la porte une grande isolation phonique et thermique.As it appears in figure 1 , the curtain 10 consists of two parallel screens 11a, 11b. These two screens 11a, 11b delimit an air mattress which gives the door a great sound and heat insulation.

Dans l'exemple représenté sur le dessin, chaque écran 11a, 11b est constitué de panneaux 12 de matière souple ; il peut s'agir de PVC transparent ou opaque. Comme on peut le voir sur la figure 2 entre deux panneaux 12 consécutifs, deux bandes 13 superposées sont soudées sur chacun des panneaux 12 et forment ainsi un fourreau 15 . Dans l'exemple représenté chacun des écrans 11a, 11b présente quatre fourreaux 15 équidistants ; le nombre de fourreaux 15 dépend bien entendu de la hauteur de la porte.In the example shown in the drawing, each screen 11a, 11b consists of panels 12 of flexible material; it can be transparent or opaque PVC. As can be seen on the figure 2 between two consecutive panels 12, two superimposed strips 13 are welded to each of the panels 12 and thus form a sheath 15. In the example shown, each of the screens 11a, 11b has four equidistant sleeves 15; the number of sleeves 15 depends of course on the height of the door.

A l'intérieur de chaque fourreau 15, une barre de raidissement 16 est engagée. Cette barre de raidissement 16 est réalisé en matériau flexible pouvant être un composite pultrudé. Les fourreaux 15 de chaque écran 11 sont disposés de manière telle que les barres de raidissement 16 sont deux à deux placées à la même hauteur pour former une paire de barres de raidissement.Inside each sleeve 15, a stiffening bar 16 is engaged. This stiffening bar 16 is made of flexible material that can be a pultruded composite. The sleeves 15 of each screen 11 are arranged in such a way that the stiffening bars 16 are placed in pairs at the same height to form a pair of stiffening bars.

On note, par ailleurs, que certaines barres 16 de raidissement d'une même paire sont reliées par deux entretoises 18. L'ensemble formé par ces deux barres 16 entretoisées présente ainsi un module d'inertie élevée.Note, moreover, that some stiffening bars 16 of the same pair are connected by two spacers 18. The assembly formed by these two bars 16 braced thus has a high inertia module.

Les paires de barres 16 entretoisées et non entretoisées sont alternées.The pairs of braced and non-braced bars 16 are alternated.

Le relèvement du rideau est commandé par deux sangles 20 de relèvement. L'une des extrémités de chaque sangle est reliée à un arbre 19 fixé dans le caisson 3 de la porte et dont l'autre extrémité est reliée à la paire de barre de raidissement entretoisée la plus basse. Il est précisé que les entretoises 18 reliant les barres de raidissement situées au dessus de la paire entretoisée la plus basse sont pourvues d'une ouverture 21 permettant le passage d'une sangle 20 de relèvement.The raising of the curtain is controlled by two lifting straps 20. One end of each strap is connected to a shaft 19 fixed in the housing 3 of the door and whose other end is connected to the pair of the lowest braced stiffening bar. It is specified that the spacers 18 connecting the stiffening bars located above the lower braced pair are provided with an opening 21 for the passage of a lifting strap 20.

Par ailleurs, le rideau 10 est muni au niveau du pli de jonction des deux écrans 11a, 11b d'une barre souple 22 qui peut être constituée d'un ressort gainé de mousse absorbante.Furthermore, the curtain 10 is provided at the junction fold of the two screens 11a, 11b of a flexible bar 22 which may consist of a spring wrapped with absorbent foam.

Les figures 3 et 4 illustrent la manière avec laquelle le guidage de l'extrémité des barres de raidissement se peut se faire selon une forme de réalisation de l'invention par rapport aux montants 2 latéraux.The Figures 3 and 4 illustrate the manner in which the guidance of the end of the stiffening bars can be done according to one embodiment of the invention with respect to the lateral uprights 2.

Tout d'abord, on remarque que les montants 2 eux-mêmes présentent deux glissières parallèles 24 et 25.First, it is noted that the uprights 2 themselves have two parallel rails 24 and 25.

En se référant tout d'abord à la figure 3, on constate que des embouts de guidage 28 sont emmanchés dans chacune des barres 16 de raidissement. Ces embouts 28 présentent une partie cylindrique 29 dont le diamètre correspond au diamètre intérieur des barres de raidissement, ce qui permet l'engagement des embouts dans les barres de raidissement. La partie cylindrique de l'embout se prolonge par une partie tronconique 30 qui elle-même se prolonge en une partie plane 31. Les embouts 28 sont engagés dans les barres de raidissement avec une orientation telle que la partie plane 31 se trouve dans le plan de chaque écran.Referring first to the figure 3 it is found that guide tips 28 are fitted into each of the stiffening bars 16. These tips 28 have a cylindrical portion 29 whose diameter corresponds to the inner diameter of the stiffening bars, which allows the engagement of the ends in the stiffening bars. The cylindrical portion of the tip is extended by a frustoconical portion 30 which itself extends into a flat portion 31. The tips 28 are engaged in the stiffening bars with an orientation such that the flat portion 31 is in the plane of each screen.

Ainsi le contact entre chaque barre de raidissement vient en appui contre la face extérieure des glissières 24, 25 par l'intermédiaire des embouts qui assurent un contact surfacique contre ces dernières.Thus the contact between each stiffening bar bears against the outer face of the slideways 24, 25 through the end pieces which provide surface contact against the latter.

La figure 4 représente en coupe le guide d'une paire de barres de raidissement reliées par des entretoises.The figure 4 represents in section the guide of a pair of stiffening bars connected by spacers.

Au niveau de l'extrémité des deux barres de raidissement, une entretoise 33 solidarise ces dernières.At the end of the two stiffening bars, a spacer 33 secures them.

On remarque que la bande 13 constituant la paroi intérieure du fourreau 15 présente une découpe permettant à l'entretoise 33 d'assumer la jonction avec les barres de raidissement 16.Note that the band 13 constituting the inner wall of the sheath 15 has a cutout allowing the spacer 33 to assume the junction with the stiffening bars 16.

Comme on peut le voir, l'entretoise 33 supporte un galet 32 dont le diamètre est légèrement inférieur à la distance séparant les glissières 24 et 25.As can be seen, the spacer 33 supports a roller 32 whose diameter is slightly smaller than the distance between the slideways 24 and 25.

On note de plus que des embouts de remplissage 34 sont engagés dans les extrémités des barres 16 de raidissement qui évitent la formation de plis au niveau de l'extrémité de barres 16.It is further noted that filling tips 34 are engaged in the ends of the stiffening bars 16 which prevent the formation of folds at the end of bars 16.

En fonctionnement, la porte se comporte de la manière suivante :In operation, the door behaves as follows:

Lorsque le rideau 10 est en position de fermeture, les faces intérieures de chaque écran 11a 11b sont en applique contre les glissières des montants comme on peut le voir sur la figure 3 ou sur la figure 4 grâce notamment aux éléments de guidage, à savoir embout 28 et galet 32. Ceci est rendu possible par le fait que les barres 16 de raidissement sont contenues dans chaque écran 11a, 11b. Ce contact plan et continu des bords latéraux de chaque écran contre les montants confère à la porte une remarquable étanchéité tout en bénéficiant d'un rideau qui présente une bonne résistance aux intempéries et, surtout au vent, grâce aux nombreuses barres 16 de raidissement.When the curtain 10 is in the closed position, the inner faces of each screen 11a 11b are applied against the rails of the uprights as can be seen on the figure 3 or on the figure 4 thanks in particular to the guide elements, namely tip 28 and roller 32. This is made possible by the fact that the stiffening bars 16 are contained in each screen 11a, 11b. This flat and continuous contact of the lateral edges of each screen against the uprights gives the door a remarkable seal while benefiting from a curtain which has good weather resistance and, especially to the wind, thanks to the numerous bars 16 stiffening.

En ce qui concerne l'étanchéité du bord inférieur de la porte, celle-ci est obtenue par la barre 22 souple qui vient former un contact surfacique avec le sol.Regarding the sealing of the lower edge of the door, it is obtained by the flexible bar 22 which comes to form a surface contact with the ground.

Lorsque le rideau 10 est en position relevée grâce à l'action des sangles 20 qui s'enroulent autour de l'arbre 21, des plis se forment symétriquement de chaque coté du plan d'ouverture de la porte. Il est à noter que ces plis se forment systématiquement dans chaque écran 11 a, 11b grâce au poids des barres de raidissement non entretoisées situées elles-mêmes dans chaque écran 11a, 11b. Ainsi, même dans le cas d'une porte exposée à un vent violent, le risque de formation d'un pli entre les deux écrans 11a, 11b est pratiquement éliminé.When the curtain 10 is in the raised position by virtue of the action of the straps 20 which wind around the shaft 21, folds form symmetrically on each side of the opening plane of the door. It should be noted that these folds are systematically formed in each screen 11 a, 11b due to the weight of the bracing rods not braced themselves located in each screen 11a, 11b. Thus, even in the case of a door exposed to a strong wind, the risk of forming a fold between the two screens 11a, 11b is virtually eliminated.

L'invention fournit ainsi une porte ayant les nombreux avantages indiqués. Cette porte présente notamment une excellente étanchéité latérale. En outre, grâce à ses écrans qui peuvent être assemblés en usine, la mise en place sur site d'une porte selon l'invention est considérablement plus simple que la mise en place de portes telles qu'elles sont connues dans l'état de la technique qui requiert un assemblage sur site des écrans.The invention thus provides a door having the many stated advantages. This door has in particular excellent lateral sealing. In addition, thanks to its screens that can be assembled in the factory, the implementation of a door on site according to the invention is considerably simpler than the establishment of doors as they are known in the state of the technique that requires an on-site assembly of screens.

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.Naturally, the invention is not limited to the embodiment described above by way of example, but on the contrary embraces all the embodiments thereof.

Ainsi les fourreaux de chaque écran pourraient être formés par une zone de chevauchement des panneaux et par deux lignes de soudure parallèles ou par une bande soudée directement sur la face extérieure d'un panneau.Thus the sleeves of each screen could be formed by an overlapping area of the panels and by two parallel welding lines or by a strip welded directly to the outer face of a panel.

Il est également possible de réaliser le rideau dans un unique élément de matériau souple puis de plier ce dernier pour former deux écrans.It is also possible to make the curtain in a single element of flexible material and then fold the latter to form two screens.

On peut envisager de mettre en oeuvre l'invention dans une forme de réalisation dans laquelle les extrémités des barres de raidissement sont directement en applique contre les montants ou contre des glissières souples ou rigides ménagées dans ces derniers.It is conceivable to implement the invention in an embodiment in which the ends of the stiffening bars are directly applied against the uprights or against flexible or rigid slides formed therein.

Claims (15)

  1. A door comprising two side uprights (2), a transverse box (3) connecting the upper ends of both uprights and a movable curtain (10) between a closing position in which it obturates the opening formed by the uprights (2) and the box (3) and an opening position in which it is folded under the box (3), characterized in that it comprises a curtain (10) consisting of two parallel screens (11 a, 11 b), delimiting an air cushion, suspended at the upper area of the uprights, the curtain (10), further comprising:
    - at least one raising strap (20) connecting the lower portion of the curtain (10) to a shaft (21) mounted at the box (3),
    - at least one transverse stiffening means added on each of the screens (11 a, 11 b), the side edges of each screen (11 a, 11 b) being applied against the uprights (2) in order to form a sealed surface side contact, said at least one stiffening means comprising at least one pair of two stiffening bars (16) engaged into sheaths (15) facing each other, connected through at least one spacer (18) each provided at their end with a filling endpiece (34) alternating with at least one pair of stiffening bars (16) without any spacers, each provided with a guiding endpiece (28), so that in the raised position of the curtain, alternating folding plies are symmetrically formed relatively to the door opening plane.
  2. The door according to claim 1, characterized in that the spacer (18) has an aperture (21) for letting through the raising strap (20).
  3. The door according to one of claims 1 to 2, characterized in that the lower portion of the curtain formed by the junction ply of both screens (11a, 11 b) receives a flexible element formed by a flexible cladding closing a flexible material.
  4. The door according to claim 3, characterized in that the flexible element is formed by a flexible bar (22) comprising a foam-cladded spring.
  5. The door according to one of claims 1 to 4, characterized in that the ends of each stiffening bar (16) are provided with guiding elements relatively to each of the uprights.
  6. The door according to one of claims 1 to 5, characterized in that the stiffening bars (16) have flexibility, allowing them to absorb an abnormal impact, to exit, to disengage or to be detached from the slides without undergoing any permanent deformation.
  7. The door according to one of claims 1 to 6, characterized in that the flexible bar (22) retained in the junction ply of both screens, the lower pair of bars (16) with spacers and the pair of consecutive bars (16) without any spacers are at distances such that, in the raised position of the curtain, the flexible bar (22) juts out from the plies formed by each folding screen.
  8. The door according to one of claims 1 to 7, characterized in that each screen (11a, 11b) consists of a multilayer complex.
  9. The door according to one of claims 1 to 8, characterized in that each screen (11a, 11b) has at the same height, at least one transverse panel (12) in transparent material.
  10. The door according to one of claims 1 to 9, characterized in that, between two pairs of bars with spacers, each screen (11a, 11b) is provided with at least one shape memory folding device, which may form a ply towards the outside of the curtain in the folded position of the latter.
  11. The door according to one of claims 1 to 10, characterized in that the curtain (10) is formed in a single flexible material element and is folded on itself in order to form two screens.
  12. The door according to one of claims 2 to 11, characterized in that each screen (11 a, 11 b) comprises at least two transverse flexible material panels connected through a sheath.
  13. The door according to one of claims 1 to 12, characterized in that each guiding endpiece (28) has a planar portion (31) oriented in the plane of the screen, in which are found the stiffening bars (16).
  14. The door according to one of claims 1 to 13, characterized in that a spacer (33) connects the ends of a pair of bars (16) and supports a roller (32), which may engage between two slides (24) and (25) formed in each of the vertical uprights (2).
  15. The door according to claim 1 or claim 2, characterized in that a cable is engaged into at least one sheath (15), the ends of which are guided relatively to the vertical uprights.
EP04791549A 2003-10-17 2004-10-15 Double screen rapid door Expired - Lifetime EP1680571B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0312169A FR2861121A1 (en) 2003-10-17 2003-10-17 Snap door for closing structural openings of building, includes curtain with two screens that delimit air cushion, and two transversal tightening bars connected on screens of curtain
PCT/FR2004/002638 WO2005038185A1 (en) 2003-10-17 2004-10-15 Double screen rapid door

Publications (2)

Publication Number Publication Date
EP1680571A1 EP1680571A1 (en) 2006-07-19
EP1680571B1 true EP1680571B1 (en) 2013-01-16

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Application Number Title Priority Date Filing Date
EP04791549A Expired - Lifetime EP1680571B1 (en) 2003-10-17 2004-10-15 Double screen rapid door

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US (1) US8695677B2 (en)
EP (1) EP1680571B1 (en)
JP (1) JP4914720B2 (en)
AU (2) AU2004282392A1 (en)
FR (1) FR2861121A1 (en)
WO (1) WO2005038185A1 (en)

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Also Published As

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AU2004282392A1 (en) 2005-04-28
FR2861121A1 (en) 2005-04-22
EP1680571A1 (en) 2006-07-19
JP4914720B2 (en) 2012-04-11
WO2005038185A1 (en) 2005-04-28
US20070193698A1 (en) 2007-08-23
AU2011201144B2 (en) 2013-01-10
JP2007508481A (en) 2007-04-05
US8695677B2 (en) 2014-04-15
AU2011201144A1 (en) 2011-04-07

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