EP0669444B2 - Profiled slat for a shutter curtain and corresponding shutter curtain - Google Patents

Profiled slat for a shutter curtain and corresponding shutter curtain Download PDF

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Publication number
EP0669444B2
EP0669444B2 EP95400378A EP95400378A EP0669444B2 EP 0669444 B2 EP0669444 B2 EP 0669444B2 EP 95400378 A EP95400378 A EP 95400378A EP 95400378 A EP95400378 A EP 95400378A EP 0669444 B2 EP0669444 B2 EP 0669444B2
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EP
European Patent Office
Prior art keywords
slat
section
small base
shutter
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.)
Expired - Lifetime
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EP95400378A
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German (de)
French (fr)
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EP0669444B1 (en
EP0669444A1 (en
Inventor
Joseph Legeais
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Individual
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Individual
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    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/15—Roller shutters with closing members formed of slats or the like

Definitions

  • the invention relates to a profiled blade for curtain closure and a corresponding closing curtain.
  • the document FR-A-2,687,724 discloses a one-piece profiled strip for curtain closure, according to the preamble of claim 1, of substantially trapezoidal cross section having a housing adjacent to the small base and a first side of said section and a rod of rigid material connected to the angle of the small base and the second side by a hinge band flexible material and inextensible width substantially equal to the difference in width of the large base and the small base.
  • the document DE-U-8706209 describes a curtain of assembled blades each formed of several modules, each cross section substantially hexagonal, interconnected by a flexible and inextensible hinge band. This strip is located substantially at the corner of two adjacent sides of each module, parallel to and spaced apart from the side intended to come into contact with a slideway. The side of the blade in contact with the slide is subjected to permanent friction during its sliding.
  • EP-A-0 596 389 (The state of the art according to Article 54 (3) EPC) shows a profiled blade having on one side a flexible band separated from the small curved base, and a connecting rod. Each blade has an upper section and a lower section connected via a hooking or retaining means. The upper section has a trapezoidal shape.
  • the object of the invention is to improve profiled blades by proposing a blade subjected to a minimum of friction during its sliding opening or closing and in which the hinge strip is not subject to wear during these repeated maneuvers, but only subject to tensile or flexural stresses compatible with long-term operation.
  • the invention proposes a single-piece profiled strip for curtain closure, intended to be mounted transversely, at least one free end in at least one slideway to be guided by it and slide therein, exhibiting at least one substantially trapezoidal transverse cross section, of the type comprising on at least one of its sides a flexible and inextensible hinge band, coextruded with the rigid material of the blade and a connecting rod, characterized in that each hinge strip is located between the bases of the section and in a position away from the small base and in that the small base has a curved profile, so as to slide in the slideway substantially on one or two generators.
  • the blade has a rib on one side and a complementary shape groove on another side. This rib and this groove have a game on the side of the small base.
  • the small base has a curved convexity profile turned towards the inside of the section of the blade so as to slide in the slideway substantially on two generatrices for each section, corresponding to the angles limiting the small base of each section with its sides.
  • the small base has a curved profile convexity turned outwardly of the section of the blade, so as to slide in the slide substantially on a generator located in the middle part of the small base.
  • Each band is located substantially in the middle of the side connecting the two bases.
  • the connecting rod is intended to slide with play in a housing of an adjacent blade for the assembly of the curtain, and the appendix of the connecting rod is adapted to an opening of the corresponding housing so as to avoid any elongation of the curtain. traction.
  • the large base of the blade has on its inner face a longitudinal rib directed towards the inside of the blade section.
  • it may comprise on its outer face a groove located opposite said rib.
  • the blade comprises at least two sections each substantially trapezoidal coextruded with one (or more) hinge strip between them.
  • the invention also relates to a closing curtain made by assembling blades according to the invention.
  • the blades being assembled to each other and following each other by cooperation of a rod in a housing, the curtain being mounted transversely to at least one free end of the blades in at least one slideway to be guided by it and slide in it.
  • the strips are separated from both banks of the slide.
  • a slide has at least one angled portion having a contour shaped circular portion.
  • the bank of the angled part of smaller radius cooperates with the small base while the bank of larger radius cooperates with the large base.
  • a profiled blade 1 for curtain closure has a hollow cross section and substantially trapezoidal or pseudo-trapezoidal in rigid material, for example plastic of the polyvinyl chloride type.
  • Such a blade is intended for the realization of a curtain 17 closing, the opening of a piece of furniture or other similar application.
  • the blades 1 are assembled to each other and following the others.
  • Such blades 1 are intended to be mounted transversely, at least one free end (and generally at both free ends) in at least one slide 18 to be guided by it and slide therein.
  • the section of the blade has a large base 2 located on the visible side of the curtain when it is mounted and closed and a small base 3, connected to each other by a first side 4 and a second side 5.
  • the large base 2 is substantially flat and has on its inner face 2c a longitudinal rib 6 directed towards the inside of the section of the blade 1.
  • the rib 6 provides a stiffening effect of the body of the blade.
  • the large base 2 further comprises, on its outer face 2d, visible when the curtain is mounted and closed, a groove 7 of complementary shape to the rib 6, intended to improve the aesthetic characteristics of the blade 1.
  • the small base 3 has a convex profile turned towards the inside of the blade so as to define two generatrices 8 and 9 corresponding to the angles limiting the small base 3 with the sides 4 and 5 respectively. These angles are preferably rounded concavity turned towards the inside of the section of the blade.
  • the generatrices 8 and 9 form the contact lines of the blade with the slide 18. Sliding only on two generatrices 8 and 9 reduces to a great extent the friction opposing the sliding of the curtain of blades in the slide or slides 18.
  • the small base 3 could have a concavity profile turned inwardly of the section of the blade.
  • the small base would then comprise only one line of contact with the slide, located in the middle part of the small base 3.
  • the first side 4 comprises, inside the section, a circular housing 10 having an opening 11 opening into the first side 4 and having a direction substantially parallel to the bases 2, 3.
  • the housing 10 and the opening 11 are intended to receive a rod of rigid material as described below.
  • the first side 4 also comprises towards the large base 2 a recessed groove 12 substantially adjacent to the housing 10 for the cooperation of a complementary rib, as described below.
  • the second side 5 has an appendage 13 directed towards the outside of the blade section and to which is connected a strip of flexible and substantially inextensible material 14 coextruded with the body of the blade and at the opposite end of which is connected a rod 15 of rigid material, preferably identical to the material in which the blade is made.
  • the ring 15 is connected to the band 14 by an appendix 15a of dimensions substantially equal to those of the appendix 13 and of slightly greater cross-sectional width than that of the band (the transverse width being counted in the direction perpendicular to the bases 2, 3 ).
  • the length of the strip 14 is substantially equal to a quarter of the difference between the length of the large base 2 and that of the small base 3 (lengths counted in the plane of the figure 1 ).
  • the housing 10 and the appendix 13 are separated from the small base 3 and the large base 2 and are located in the middle part of the sides 4 and 5.
  • the second side 5 also has towards the large base 2 and near the appendix 13 a rib 16 directed projecting outwards from the blade section and located substantially at the same distance from the large base 2 as the groove 12
  • This rib 16 is intended to fit into a groove 12 of an adjacent blade, when a first blade is associated with an adjacent blade by inserting the rod 15 of the first blade into the housing 10 and the opening 11 of the blade. the second blade, so as to form a curtain, and when the latter is closed, the large bases 2 successive blades then being substantially coplanar.
  • the adaptation of the rib 16 in the groove 12 thanks to their complementary shape to each other prevents the insertion from the outside of the blades and the large bases 2 of a cutting instrument likely to cut or break the band 14. It allows the support of the contour 16a of the rib 16 on the contour 12a of the groove 12 which ensures a good flatness of the visible face of the realized curtain, the large bases 2 of the successive blades being coplanar.
  • the sides 4 and 5 respectively comprise two sections, namely a first section 4a, 5a adjoining and substantially perpendicular to the large base 2 and a second section 4b, 5b adjacent to the small base 3 being inclined on it with an obtuse angle.
  • the two sections of each pair of sections 4a, 4b, 5a, 5b are separated from each other by the groove 12 and the housing 10 on the one hand, the rib 16, and the appendix 13 on the other hand .
  • the sections of the ring 15 and the housing 10 are of complementary shapes and have respective dimensions determined with a clearance sufficient for mounting the ring 15 can slide in the housing 10 so as to allow the assembly of the closure curtain in position inclined substantially in the form of a parallelogram then raising the curtain to put it in place without risk of jamming in a guide rail 18.
  • the dimensions of the appendix 15a and the opening 11 are provided so that the appendage 15a of a blade is housed in the opening 11 of the adjacent blade, without excessive substantial play to ensure that the traction the curtain during opening and closing does not produce side play causing a possible lack of flatness of the visible face of the curtain (large bases 2).
  • the blade is made by assembling two transverse trapezoidal or pseudo trapezoidal cross sections 1a, 1b joined to one another by a flexible and inextensible hinge band 14b coextruded with the rigid material of the two sections. .
  • This band 14b connects the two sections 1a, 1b by appendices 13a and 13b.
  • the invention extends to the case of any number of sections as described joined together by hinge strips coextruded with the rigid material of the trapezoidal sections.
  • One of the end sections 1a has on its side 4 a housing 10.
  • the opposite section 1b has on its side 5 a rod 15 connected to this section by a band 14a attached to an appendix 13.
  • Each hinge strip 14a or 14b is substantially of the same size and is located between the small base 3a, 3b and the large base 2a, 2b, in a position spaced from the small base 3a or 3b which corresponds to the invisible and inaccessible face of the curtain once mounted.
  • the two sections 1a, 1b bear against one another at the place, in the first place, of the first sections 24a, 25a of the sides 4a, 5a, situated opposite and in close proximity to one another. , adjacent to the large bases 2a, 2b.
  • a clearance j is formed between the rib 16 and the groove 12 opposite the large bases 2a, 2b and therefore on the side of the band 14b, so as to allow clearance without blocking a section relative to another section in a turning situation.
  • a curtain 17 made from several blades such as those shown on the figures 1 and 2 , assembled to each other and following each other by cooperation of a rod 15 in a housing 10.
  • the curtain 17 is shown in a 90 ° turn situation by means of a slideway 18 having two branches 18a, 18b, each rectilinear and perpendicular to the other, joined to each other by an angled portion 18c having a contour in the general shape of a quarter circle.
  • the presence of the hinge strips 14, 14a, 14b substantially in the middle of the neutral line corresponding to the rotation of the curtain 17 ensures a great ease of sliding by reducing the friction which also avoids excessive or premature wear due to the no contact of the strips with the slide 18. Indeed, it will be observed that the hinge strips between blade sections or between blades are spaced from the two banks 19a, 19b of the slideway 18.
  • a slide 18 has in transverse cross-section a general U-shape with a core facing which is the free end portion of each blade and two banks 19a, 19b facing the bases 2, 2a, 2b, 3, 3a, 3b respectively.
  • a curtain such as 17 is shown in a slide 18 forming on itself an angle of about 180 °.
  • This slide 18 comprises in fact two branches 18a, 18b substantially parallel and spaced apart from each other, joined by a bent portion 18d having a generally semicircular contour.
  • hinge strips 14, 14a, 14b substantially towards the middle of the blade and away from the two banks 19a, 19b of the slideway 18 ensures a great ease of sliding and to obtain a small radius winding corresponding to a tight winding, which significantly reduces the size of the slide 18 - the two branches 18a, 18b are close to one another - and the curtain 17 wound and thus increases the volume available to the interior of the cabinet closed by the curtain 17, while keeping the sliding characteristics of the prior art obtained with upper ray slides.
  • the bank of the angled portion 18c, 18d of smaller radius namely 19b cooperates with the small base 3 while that the bank of larger radius 19a cooperates with the large base 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)
  • Shutters For Cameras (AREA)
  • Surgical Instruments (AREA)
  • Display Devices Of Pinball Game Machines (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Paper (AREA)

Abstract

The shutter is made from a series of linked vanes designed to run in slideways. Each vane (1) has a basic trapezoid cross-section, with its two shorter sides (4,5) equipped with female (10) and male (15) coupling elements. The male element is joined to the side of the vane by a coextruded strip (14) of a supple, non-stretch material. The smaller base (3) of the vane has a concave curved surface, and the larger one has a lengthwise rib (6) pointing inwards. The vane is made by extrusion e.g. from a plastics material such as PVC.

Description

L'invention est relative à une lame profilée pour fermeture à rideau ainsi qu'à un rideau de fermeture correspondant.The invention relates to a profiled blade for curtain closure and a corresponding closing curtain.

Le document FR-A-2 687 724 décrit une lame profilée monobloc pour fermeture à rideau, selon le préambule de la revendication 1, de section droite transversale sensiblement trapézoïdale présentant un logement adjacent à la petite base et à un premier côté de ladite section et un jonc en matériau rigide relié à l'angle de la petite base et du deuxième côté par une bande d'articulation en matériau souple et inextensible de largeur sensiblement égale à la différence de largeur de la grande base et de la petite base.The document FR-A-2,687,724 discloses a one-piece profiled strip for curtain closure, according to the preamble of claim 1, of substantially trapezoidal cross section having a housing adjacent to the small base and a first side of said section and a rod of rigid material connected to the angle of the small base and the second side by a hinge band flexible material and inextensible width substantially equal to the difference in width of the large base and the small base.

Cette lame et les rideaux de fermeture réalisés à partir de plusieurs lames de ce type assemblées entre elles donnent généralement satisfaction. Cependant, par suite de l'usage du rideau, la petite base et la bande d'articulation sont en contact avec frottement sur des glissières de guidage. Un usage intensif ou prolongé peut donc entraîner une certaine usure.This blade and the closing curtains made from several blades of this type assembled together generally give satisfaction. However, as a result of the use of the curtain, the small base and the hinge strip are in frictional contact with guide rails. Intensive or prolonged use may therefore cause some wear.

Le document DE-U-8706209 décrit un rideau de lames assemblées formées chacune de plusieurs modules, chacun de section droite transversale sensiblement hexagonale, reliés entre eux par une bande d'articulation souple et inextensible. Cette bande est située sensiblement à l'angle de deux côtés adjacents de chaque module, parallèlement à et écarté du côté destiné à entrer en contact avec une glissière. Le côté de la lame en contact avec la glissière est soumis à des frottements permanents lors de son coulissement.The document DE-U-8706209 describes a curtain of assembled blades each formed of several modules, each cross section substantially hexagonal, interconnected by a flexible and inextensible hinge band. This strip is located substantially at the corner of two adjacent sides of each module, parallel to and spaced apart from the side intended to come into contact with a slideway. The side of the blade in contact with the slide is subjected to permanent friction during its sliding.

Le document EP-A-0 596 389 (l'état de la technique selon l'article 54(3) CBE) montre une lame profilée comportant sur un côté une bande souple écartée de la petite base incurvée, et un jonc de liaison. Chaque lame comporte une section supérieure et un section inférieure reliées par l'intermédiaire d'un moyen d'accrochage ou de retenue. La section supérieure présente une forme trapézoïdale.The document EP-A-0 596 389 (The state of the art according to Article 54 (3) EPC) shows a profiled blade having on one side a flexible band separated from the small curved base, and a connecting rod. Each blade has an upper section and a lower section connected via a hooking or retaining means. The upper section has a trapezoidal shape.

L'invention a pour but de perfectionner les lames profilées, en proposant une lame soumise à un minimum de frottements lors de son coulissement d'ouverture ou de fermeture et dans laquelle la bande d'articulation n'est pas sujette à usure lors de ces manoeuvres répétées, mais uniquement soumise à des sollicitations de traction ou de flexion compatibles avec un fonctionnement de longue durée.The object of the invention is to improve profiled blades by proposing a blade subjected to a minimum of friction during its sliding opening or closing and in which the hinge strip is not subject to wear during these repeated maneuvers, but only subject to tensile or flexural stresses compatible with long-term operation.

A cet effet, l'invention propose une lame profilée monobloc pour fermeture à rideau, destinée à être montée transversalement, à au moins une extrémité libre dans au moins une glissière pour être guidée par celle-ci et coulisser dans celle-ci, présentant au moins une section droite transversale sensiblement trapézoïdale, du type comportant sur au moins un de ses côtés une bande souple et inextensible d'articulation, coextrudée avec le matériau rigide de la lame et un jonc de liaison, caractérisée en ce que chaque bande d'articulation est située entre les bases de la section et dans une position écartée de la petite base et en ce que la petite base présente un profil incurvé, de manière à coulisser dans la glissière sensiblement sur une ou deux génératrices. La lame présente une nervure sur un de ses côtés et une rainure de forme complémentaire sur un autre côté. Cette nervure et cette rainure présentent un jeu du côté de la petite base.For this purpose, the invention proposes a single-piece profiled strip for curtain closure, intended to be mounted transversely, at least one free end in at least one slideway to be guided by it and slide therein, exhibiting at least one substantially trapezoidal transverse cross section, of the type comprising on at least one of its sides a flexible and inextensible hinge band, coextruded with the rigid material of the blade and a connecting rod, characterized in that each hinge strip is located between the bases of the section and in a position away from the small base and in that the small base has a curved profile, so as to slide in the slideway substantially on one or two generators. The blade has a rib on one side and a complementary shape groove on another side. This rib and this groove have a game on the side of the small base.

Selon un premier mode de réalisation, la petite base présente un profil incurvé à convexité tournée vers l'intérieur de la section de la lame de manière à coulisser dans la glissière sensiblement sur deux génératrices pour chaque section, correspondant aux angles limitant la petite base de chaque section d'avec ses côtés.According to a first embodiment, the small base has a curved convexity profile turned towards the inside of the section of the blade so as to slide in the slideway substantially on two generatrices for each section, corresponding to the angles limiting the small base of each section with its sides.

Selon un second mode de réalisation, la petite base présente un profil incurvé à convexité tourné vers l'extérieur de la section de la lame, de manière à coulisser dans la glissière sensiblement sur une génératrice située dans la partie médiane de la petite base.According to a second embodiment, the small base has a curved profile convexity turned outwardly of the section of the blade, so as to slide in the slide substantially on a generator located in the middle part of the small base.

Chaque bande est située sensiblement au milieu du côté reliant les deux bases.Each band is located substantially in the middle of the side connecting the two bases.

Le jonc de liaison est destiné à coulisser avec jeu dans un logement d'une lame adjacente pour l'assemblage du rideau, et l'appendice du jonc de liaison est adapté à une ouverture du logement correspondant de manière à éviter tout allongement du rideau à la traction.The connecting rod is intended to slide with play in a housing of an adjacent blade for the assembly of the curtain, and the appendix of the connecting rod is adapted to an opening of the corresponding housing so as to avoid any elongation of the curtain. traction.

Selon une version de l'invention, la grande base de la lame comporte sur sa face interne une nervure longitudinale dirigée vers l'intérieur de la section de lame. En outre, elle peut comporter sur sa face externe une rainure située à l'opposé de ladite nervure.According to one version of the invention, the large base of the blade has on its inner face a longitudinal rib directed towards the inside of the blade section. In addition, it may comprise on its outer face a groove located opposite said rib.

Suivant un autre mode de réalisation, la lame comporte au moins deux sections chacune sensiblement trapézoïdale coextrudée avec une (ou plusieurs) bande d'articulation entre elles.According to another embodiment, the blade comprises at least two sections each substantially trapezoidal coextruded with one (or more) hinge strip between them.

L'invention a également pour objet un rideau de fermeture réalisé par assemblage de lames selon l'invention. Les lames étant assemblées les unes aux autres et à la suite des autres par coopération d'un jonc dans un logement, le rideau étant monté transversalement à au moins une extrémité libre des lames dans au moins une glissière pour être guidé par celle-ci et coulisser dans celle-ci.The invention also relates to a closing curtain made by assembling blades according to the invention. The blades being assembled to each other and following each other by cooperation of a rod in a housing, the curtain being mounted transversely to at least one free end of the blades in at least one slideway to be guided by it and slide in it.

Les bandes sont écartées des deux rives de la glissière.The strips are separated from both banks of the slide.

Une glissière comporte au moins une partie coudée en ayant un contour en forme de portion circulaire.A slide has at least one angled portion having a contour shaped circular portion.

La rive de la partie coudée de plus petit rayon coopère avec la petite base tandis que la rive de plus grand rayon coopère avec la grande base.The bank of the angled part of smaller radius cooperates with the small base while the bank of larger radius cooperates with the large base.

L'invention sera mieux comprise grâce à la description qui va suivre donnée à titre d'exemple non limitatif au regard du dessin annexé dans lequel :

  • la figure 1 est une vue schématique en section droite transversale d'un premier mode de réalisation d'une lame profilée pour fermeture à rideau selon l'invention,
  • la figure 2 est une vue schématique en section droite transversale d'un deuxième mode de réalisation d'une lame profilée pour fermeture à rideau selon l'invention,
  • la figure 3 représente une vue schématique en coupe partielle d'un rideau de fermeture selon l'invention assemblé à partir de lames selon l'invention en situation de virage dans une glissière à 90°.
  • la figure 4 représente une vue schématique en coupe partielle d'un rideau de fermeture selon l'invention assemblé à partir de lames selon l'invention en situation de virage dans une glissière à 180°.
The invention will be better understood from the following description given by way of non-limiting example with reference to the accompanying drawings in which:
  • the figure 1 is a diagrammatic cross-sectional view of a first embodiment of a profile strip for a curtain closure according to the invention,
  • the figure 2 is a diagrammatic cross-sectional view of a second embodiment of a profile strip for a curtain closure according to the invention,
  • the figure 3 is a schematic partial sectional view of a closure curtain according to the invention assembled from blades according to the invention in a turning situation in a slide at 90 °.
  • the figure 4 is a schematic partial sectional view of a closure curtain according to the invention assembled from blades according to the invention in a turning situation in a slide at 180 °.

En référence à la figure 1, une lame profilée 1 pour fermeture à rideau selon l'invention présente une section droite transversale creuse et sensiblement trapézoïdale ou pseudo-trapézoïdale en matériau rigide, par exemple en matière plastique du genre polychlorure de vinyle.With reference to the figure 1 , a profiled blade 1 for curtain closure according to the invention has a hollow cross section and substantially trapezoidal or pseudo-trapezoidal in rigid material, for example plastic of the polyvinyl chloride type.

Une telle lame est destinée à la réalisation d'un rideau 17 de fermeture, de l'ouverture d'un meuble ou autre application analogue. A cet effet, dans le rideau 17, les lames 1 sont assemblées les unes aux autres et à la suite des autres. De telles lames 1 sont destinées à être montées transversalement, à au moins une extrémité libre (et généralement aux deux extrémités libres) dans au moins une glissière 18 pour être guidée par celle-ci et coulisser dans celle-ci.Such a blade is intended for the realization of a curtain 17 closing, the opening of a piece of furniture or other similar application. For this purpose, in the curtain 17, the blades 1 are assembled to each other and following the others. Such blades 1 are intended to be mounted transversely, at least one free end (and generally at both free ends) in at least one slide 18 to be guided by it and slide therein.

La section de la lame présente une grande base 2 située du côté visible du rideau lorsqu'il est monté et fermé et une petite base 3, reliées l'une à l'autre par un premier côté 4 et un deuxième côté 5.The section of the blade has a large base 2 located on the visible side of the curtain when it is mounted and closed and a small base 3, connected to each other by a first side 4 and a second side 5.

La grande base 2 est sensiblement plane et comporte sur sa face interne 2c une nervure longitudinale 6 dirigée vers l'intérieur de la section de la lame 1. La nervure 6 procure un effet de raidissement du corps de la lame. A l'opposé de cette nervure 6, la grande base 2 comporte en outre, sur sa face externe 2d, visible lorsque le rideau est monté et fermé, une rainure 7 de forme complémentaire à la nervure 6, destinée à améliorer les caractéristiques esthétiques de la lame 1.The large base 2 is substantially flat and has on its inner face 2c a longitudinal rib 6 directed towards the inside of the section of the blade 1. The rib 6 provides a stiffening effect of the body of the blade. In contrast to this rib 6, the large base 2 further comprises, on its outer face 2d, visible when the curtain is mounted and closed, a groove 7 of complementary shape to the rib 6, intended to improve the aesthetic characteristics of the blade 1.

La petite base 3 présente un profil à convexité tournée vers l'intérieur de la lame de manière à définir deux génératrices 8 et 9 correspondant aux angles limitant la petite base 3 d'avec les côtés 4 et 5 respectivement. Ces angles sont de préférence arrondis à concavité tournée vers l'intérieur de la section de la lame. Les génératrices 8 et 9 forment les lignes de contact de la lame avec la glissière 18. Le fait de coulisser uniquement sur deux génératrices 8 et 9 réduit dans une grande mesure les frottements s'opposant au coulissement du rideau de lames dans la ou les glissières 18.The small base 3 has a convex profile turned towards the inside of the blade so as to define two generatrices 8 and 9 corresponding to the angles limiting the small base 3 with the sides 4 and 5 respectively. These angles are preferably rounded concavity turned towards the inside of the section of the blade. The generatrices 8 and 9 form the contact lines of the blade with the slide 18. Sliding only on two generatrices 8 and 9 reduces to a great extent the friction opposing the sliding of the curtain of blades in the slide or slides 18.

L'existence de deux génératrices 8, 9 écartées l'une de l'autre pour être situées aux deux extrémités de la petite base 3 assure également un excellent guidage de la lame dans la ou les glissières 18.The existence of two generatrices 8, 9 spaced from each other to be located at both ends of the small base 3 also ensures excellent guidance of the blade in the slide or slides 18.

Il est entendu que le mot "génératrice" et l'expression "ligne de contact" ne doivent pas être pris dans un sens restrictif. Le contact entre une lame et une glissière 18 peut être linéaire ou surfacique mais alors sur une surface limitée par suite de la forme incurvée ou arrondie donnée à la petite base 3.It is understood that the word "generator" and the expression "contact line" should not be taken in a restrictive sense. The contact between a blade and a slideway 18 may be linear or surface but then on a limited surface as a result of the curved or rounded shape given to the small base 3.

Suivant un autre mode de réalisation non représenté, la petite base 3 pourrait présenter un profil à concavité tournée vers l'intérieur de la section de la lame. La petite base ne comporterait alors qu'une seule ligne de contact avec la glissière, située dans la partie médiane de la petite base 3.According to another embodiment not shown, the small base 3 could have a concavity profile turned inwardly of the section of the blade. The small base would then comprise only one line of contact with the slide, located in the middle part of the small base 3.

Le premier côté 4 comporte, à l'intérieur de la section, un logement circulaire 10 présentant une ouverture 11 débouchant dans le premier côté 4 et ayant une direction sensiblement parallèle aux bases 2, 3. Le logement 10 et l'ouverture 11 sont destinés à recevoir un jonc en matériau rigide comme il est décrit ci-après.The first side 4 comprises, inside the section, a circular housing 10 having an opening 11 opening into the first side 4 and having a direction substantially parallel to the bases 2, 3. The housing 10 and the opening 11 are intended to receive a rod of rigid material as described below.

Le premier côté 4 comporte également vers la grande base 2 une rainure en retrait 12 sensiblement attenante au logement 10 permettant la coopération d'une nervure complémentaire, comme il est décrit ci-après.The first side 4 also comprises towards the large base 2 a recessed groove 12 substantially adjacent to the housing 10 for the cooperation of a complementary rib, as described below.

Le deuxième côté 5 comporte un appendice 13 dirigé vers l'extérieur de la section de lame et auquel est raccordée une bande en matériau souple et substantiellement inextensible 14 coextrudée avec le corps de la lame et à l'extrémité opposée de laquelle est raccordé un jonc 15 en matériau rigide, de préférence identique au matériau dans lequel est réalisée la lame. Le jonc 15 est raccordé à la bande 14 par un appendice 15a de dimensions sensiblement égales à celles de l'appendice 13 et de largeur transversale légèrement supérieure à celle de la bande (la largeur transversale étant comptée dans la direction perpendiculaire aux bases 2, 3).The second side 5 has an appendage 13 directed towards the outside of the blade section and to which is connected a strip of flexible and substantially inextensible material 14 coextruded with the body of the blade and at the opposite end of which is connected a rod 15 of rigid material, preferably identical to the material in which the blade is made. The ring 15 is connected to the band 14 by an appendix 15a of dimensions substantially equal to those of the appendix 13 and of slightly greater cross-sectional width than that of the band (the transverse width being counted in the direction perpendicular to the bases 2, 3 ).

De préférence, la longueur de la bande 14 est sensiblement égale au quart de la différence entre la longueur de la grande base 2 et celle de la petite base 3 (longueurs comptées dans le plan de la figure 1).Preferably, the length of the strip 14 is substantially equal to a quarter of the difference between the length of the large base 2 and that of the small base 3 (lengths counted in the plane of the figure 1 ).

Le logement 10 et l'appendice 13 sont écartés de la petite base 3 ainsi que de la grande base 2 et sont situés dans la partie médiane des côtés 4 et 5.The housing 10 and the appendix 13 are separated from the small base 3 and the large base 2 and are located in the middle part of the sides 4 and 5.

Le deuxième côté 5 comporte également vers la grande base 2 et à proximité de l'appendice 13 une nervure 16 dirigée en saillie vers l'extérieur de la section de lame et située sensiblement à la même distance de la grande base 2 que la rainure 12. Cette nervure 16 est destinée à s'adapter dans une rainure 12 d'une lame adjacente, lorsqu'on associe une première lame à une lame adjacente par insertion du jonc 15 de la première lame dans le logement 10 et l'ouverture 11 de la seconde lame, de manière à former un rideau, et lorsque ce dernier est fermé, les grandes bases 2 des lames successives étant alors sensiblement coplanaires.The second side 5 also has towards the large base 2 and near the appendix 13 a rib 16 directed projecting outwards from the blade section and located substantially at the same distance from the large base 2 as the groove 12 This rib 16 is intended to fit into a groove 12 of an adjacent blade, when a first blade is associated with an adjacent blade by inserting the rod 15 of the first blade into the housing 10 and the opening 11 of the blade. the second blade, so as to form a curtain, and when the latter is closed, the large bases 2 successive blades then being substantially coplanar.

L'adaptation de la nervure 16 dans la rainure 12 grâce à leurs formes complémentaires l'une de l'autre empêche l'insertion depuis l'extérieur des lames et les grandes bases 2 d'un instrument tranchant susceptible de découper ou rompre la bande 14. Elle permet la mise en appui du contour 16a de la nervure 16 sur le contour 12a de la rainure 12 ce qui assure une bonne planéité de la face visible du rideau réalisé, les grandes bases 2 des lames successives étant coplanaires.The adaptation of the rib 16 in the groove 12 thanks to their complementary shape to each other prevents the insertion from the outside of the blades and the large bases 2 of a cutting instrument likely to cut or break the band 14. It allows the support of the contour 16a of the rib 16 on the contour 12a of the groove 12 which ensures a good flatness of the visible face of the realized curtain, the large bases 2 of the successive blades being coplanar.

Les côtés 4 et 5 comportent respectivement deux tronçons, à savoir un premier tronçon 4a, 5a attenant et sensiblement perpendiculaire à la grande base 2 et un second tronçon 4b, 5b attenant à la petite base 3 en étant incliné sur elle avec un angle obtus. Les deux tronçons de chaque paire de tronçons 4a, 4b, 5a, 5b sont séparés l'un de l'autre par la rainure 12 et le logement 10 d'une part, la nervure 16, et l'appendice 13 d'autre part.The sides 4 and 5 respectively comprise two sections, namely a first section 4a, 5a adjoining and substantially perpendicular to the large base 2 and a second section 4b, 5b adjacent to the small base 3 being inclined on it with an obtuse angle. The two sections of each pair of sections 4a, 4b, 5a, 5b are separated from each other by the groove 12 and the housing 10 on the one hand, the rib 16, and the appendix 13 on the other hand .

Les sections du jonc 15 et du logement 10 sont de formes complémentaires et présentent des dimensions respectives déterminées avec un jeu suffisant pour qu'au montage le jonc 15 puisse coulisser dans le logement 10 de façon à permettre l'assemblage du rideau de fermeture en position inclinée sensiblement en forme de parallélogramme puis le redressement du rideau pour le mettre en place sans risque de coincement dans une glissière de guidage 18.The sections of the ring 15 and the housing 10 are of complementary shapes and have respective dimensions determined with a clearance sufficient for mounting the ring 15 can slide in the housing 10 so as to allow the assembly of the closure curtain in position inclined substantially in the form of a parallelogram then raising the curtain to put it in place without risk of jamming in a guide rail 18.

Les dimensions de l'appendice 15a et de l'ouverture 11 sont prévues pour que l'appendice 15a d'une lame soit logé dans l'ouverture 11 de la lame voisine, sans jeu substantiel excessif pour s'assurer que la mise en traction du rideau lors de l'ouverture et la fermeture ne produise pas de jeu latéral entraînant un éventuel défaut de planéité de la face visible du rideau (grandes bases 2).The dimensions of the appendix 15a and the opening 11 are provided so that the appendage 15a of a blade is housed in the opening 11 of the adjacent blade, without excessive substantial play to ensure that the traction the curtain during opening and closing does not produce side play causing a possible lack of flatness of the visible face of the curtain (large bases 2).

Sur la figure 2, les chiffres de référence identiques à ceux de la figure 1 se rapportent à des éléments identiques ou similaires à ceux déjà décrits en relation avec la figure 1.On the figure 2 , the reference figures identical to those of the figure 1 refer to elements identical or similar to those already described in relation to the figure 1 .

Dans cet exemple de réalisation, la lame est réalisée par assemblage de deux sections droites transversales trapézoïdales ou pseudo trapézoïdales 1a, 1b réunies l'une à l'autre par une bande souple et inextensible d'articulation 14b coextrudée avec le matériau rigide des deux sections. Cette bande 14b relie les deux sections 1a, 1b par des appendices 13a et 13b. L'invention s'étend au cas d'un nombre quelconque de sections telles que décrites réunies entre elles par des bandes d'articulation coextrudées avec le matériau rigide des sections trapézoïdales.In this embodiment, the blade is made by assembling two transverse trapezoidal or pseudo trapezoidal cross sections 1a, 1b joined to one another by a flexible and inextensible hinge band 14b coextruded with the rigid material of the two sections. . This band 14b connects the two sections 1a, 1b by appendices 13a and 13b. The invention extends to the case of any number of sections as described joined together by hinge strips coextruded with the rigid material of the trapezoidal sections.

L'une des sections d'extrémité soit 1a comporte sur son côté 4 un logement 10. La section opposée 1b comporte sur son côté 5 un jonc 15 relié à cette section par une bande 14a fixée à un appendice 13.One of the end sections 1a has on its side 4 a housing 10. The opposite section 1b has on its side 5 a rod 15 connected to this section by a band 14a attached to an appendix 13.

Chaque bande d'articulation 14a ou 14b est sensiblement de mêmes dimensions et est située entre la petite base 3a, 3b et la grande base 2a, 2b, dans une position écartée de la petite base 3a ou 3b qui correspond à la face invisible et inaccessible du rideau une fois monté.Each hinge strip 14a or 14b is substantially of the same size and is located between the small base 3a, 3b and the large base 2a, 2b, in a position spaced from the small base 3a or 3b which corresponds to the invisible and inaccessible face of the curtain once mounted.

Les deux sections 1a, 1b sont en appui l'une sur l'autre à l'endroit, en premier lieu, des premiers tronçons 24a, 25a des côtés 4a, 5a, situés en regard et à proximité l'un de l'autre, attenants aux grandes bases 2a, 2b.The two sections 1a, 1b bear against one another at the place, in the first place, of the first sections 24a, 25a of the sides 4a, 5a, situated opposite and in close proximity to one another. , adjacent to the large bases 2a, 2b.

Elle sont également en appui, à l'endroit, en deuxième lieu des parties de nervure 16 et de rainure 12 directement attenantes aux premiers tronçons 25a, 24a et formant avec eux, respectivement, un angle obtus. Cela procure un appui du côté des grandes bases 2a, 2b qui correspondent à la face visible de la lame. Cet appui assure une bonne planéité du rideau à réaliser, lorsque celui-ci est monté dans des glissières rectilignes et à l'état fermé.They are also supported at the place, secondly rib portions 16 and groove 12 directly adjacent to the first sections 25a, 24a and forming with them, respectively, an obtuse angle. This provides support from the large bases 2a, 2b which correspond to the visible face of the blade. This support ensures a good flatness of the curtain to achieve, when it is mounted in straight slides and in the closed state.

Un jeu j est ménagé entre la nervure 16 et la rainure 12 à l'opposé des grandes bases 2a, 2b et donc du côté de la bande 14b, de manière à permettre un dégagement sans blocage d'une section par rapport à une autre section en situation de virage.A clearance j is formed between the rib 16 and the groove 12 opposite the large bases 2a, 2b and therefore on the side of the band 14b, so as to allow clearance without blocking a section relative to another section in a turning situation.

En référence à la figure 3, est illustré un rideau 17 réalisé à partir de plusieurs lames telles que celles représentées sur les figures 1 et 2, assemblées les unes aux autres et à la suite des autres par coopération d'un jonc 15 dans un logement 10. Le rideau 17 est représenté en situation de virage à 90° grâce à une glissière 18 comportant deux branches 18a, 18b, chacune rectiligne et perpendiculaire à l'autre, réunies l'une à l'autre par une partie coudée 18c ayant un contour en forme générale de quart de cercle. La présence des bandes d'articulation 14, 14a, 14b sensiblement au milieu de la ligne neutre correspondant à la rotation du rideau 17 assure une grande facilité de coulissement en diminuant les frottements ce qui évite aussi toute usure excessive ou prématurée du fait de l'absence de contact des bandes avec la glissière 18. En effet, on observera que les bandes d'articulation entre sections de lame ou entre lames sont écartées des deux rives 19a, 19b de la glissière 18.With reference to the figure 3 , is shown a curtain 17 made from several blades such as those shown on the figures 1 and 2 , assembled to each other and following each other by cooperation of a rod 15 in a housing 10. The curtain 17 is shown in a 90 ° turn situation by means of a slideway 18 having two branches 18a, 18b, each rectilinear and perpendicular to the other, joined to each other by an angled portion 18c having a contour in the general shape of a quarter circle. The presence of the hinge strips 14, 14a, 14b substantially in the middle of the neutral line corresponding to the rotation of the curtain 17 ensures a great ease of sliding by reducing the friction which also avoids excessive or premature wear due to the no contact of the strips with the slide 18. Indeed, it will be observed that the hinge strips between blade sections or between blades are spaced from the two banks 19a, 19b of the slideway 18.

Une glissière 18 a en section droite transversale une forme générale de U avec une âme en regard de laquelle se trouve la partie extrême libre de chaque lame et deux rives 19a, 19b en regard des bases 2, 2a, 2b, 3, 3a, 3b respectivement.A slide 18 has in transverse cross-section a general U-shape with a core facing which is the free end portion of each blade and two banks 19a, 19b facing the bases 2, 2a, 2b, 3, 3a, 3b respectively.

En référence à la figure 4, un rideau tel que 17 est représenté dans une glissière 18 formant sur elle-même un angle à environ 180°. Cette glissière 18 comporte en effet deux branches 18a, 18b sensiblement parallèles et écartées l'une de l'autre, réunies par une partie coudée 18d ayant un contour en forme générale de demi-cercle. La présence des bandes d'articulation 14, 14a, 14b sensiblement vers le milieu de la lame et à l'écart des deux rives 19a, 19b de la glissière 18 permet d'assurer une grande facilité de coulissement et d'obtenir un petit rayon d'enroulement correspondant à un enroulement serré, ce qui diminue notablement l'encombrement de la glissière 18 - les deux branches 18a, 18b étant proches l'une de l'autre - et du rideau 17 enroulé et augmente ainsi le volume disponible à l'intérieur du meuble obturé par le rideau 17, tout en gardant les caractéristiques de coulissement de l'art antérieur obtenues avec des glissières de rayons supérieurs.With reference to the figure 4 , a curtain such as 17 is shown in a slide 18 forming on itself an angle of about 180 °. This slide 18 comprises in fact two branches 18a, 18b substantially parallel and spaced apart from each other, joined by a bent portion 18d having a generally semicircular contour. The presence of the hinge strips 14, 14a, 14b substantially towards the middle of the blade and away from the two banks 19a, 19b of the slideway 18 ensures a great ease of sliding and to obtain a small radius winding corresponding to a tight winding, which significantly reduces the size of the slide 18 - the two branches 18a, 18b are close to one another - and the curtain 17 wound and thus increases the volume available to the interior of the cabinet closed by the curtain 17, while keeping the sliding characteristics of the prior art obtained with upper ray slides.

Ainsi que cela découle de ce qui précède, et des figures, la rive de la partie coudée 18c, 18d de plus petit rayon à savoir 19b coopère avec la petite base 3 tandis que la rive de plus grand rayon 19a coopère avec la grande base 2.As follows from the foregoing, and figures, the bank of the angled portion 18c, 18d of smaller radius namely 19b cooperates with the small base 3 while that the bank of larger radius 19a cooperates with the large base 2.

Claims (13)

  1. Single-piece profiled slat for a shutter curtain, intended to be mounted transversely, at at least one free end in at least one runner (18) so as to be guided by the latter and to slide therein, having at least one substantially trapezoidal transverse straight section (1, Ia, 1 b), of the type having, on at least one of its sides (5), a flexible and inextensible articulation strip (14, 1 4a, 1 4b), coextruded with the rigid material of the slat, and a connecting rod (15), characterised in that each articulation strip (14, 14a, 1 4b) is situated between the bases (2, 3; 2a, 3a; 2b, 3b) of the section and in a position separated from the small base (3, 3a, 3b), the small base (3, 3a, 3b) having a curved profile, so as to slide in the runner substantially on one or two generator lines, and in that it has a rib (16) on one side (5) and a groove (12) of complementary shape on the other side (4) and in that the rib (16) and groove (12) have a clearance (j) on the same side as the small base (3, 3a, 3b).
  2. Profiled slat according to Claim 1, characterised in that the small base (3) has a curved profile with its convexity turned towards the inside of the section of the slat so as to slide in the runner substantially on two generator lines (8, 9, 8a, 9a, 8b, 9b) by means of each section (2, 2a, 2b), corresponding to the angles delimiting the small base (3) of each section from its sides.
  3. Profiled slat according to Claim 1, characterised in that the small base (3) has a curved profile with its convexity turned towards the outside of the section of the slat, so as to slide in the runner substantially on a generator line situated in the median part of the small base (3).
  4. Profiled slat according to either one of Claims 1 and 3, characterised in that each strip (14, 14a, 14b) is situated substantially at the middle of the side (5) connecting the two bases (2, 3).
  5. Profiled slat according to one of Claims 1 to 4, characterised in that the large base (2, 2a, 2b) of the section of the slat has on its internal face (2c) a longitudinal rib (6, 6a, 6b) directed towards the inside of the slat section.
  6. Profiled slat according to one of Claims 1 to 5, characterised in that the side (4) of the slat section opposite to the side (5) having the flexible slat (14, 14a, 14b), comprises a recess (10) situated between the bases (2, 3) and separated from the small base (3), the recess (10) having an opening (11) extending in a direction substantially parallel to the bases (2, 3).
  7. Profiled slat according to Claim 6, characterised in that the recess (10) is situated substantially at the middle of the side (4).
  8. Profiled slat according to Claim 7, characterised in that the connecting rod (15) for one slat slides with clearance in the recess (10) of an adjacent slat for assembling the shutter, and in that the appendix (15a) of the connecting rod (15) is adapted to the opening (11) of the corresponding recess (10), so as to prevent any extension of the shutter under traction.
  9. Profiled slat according to one of Claims 1 to 8, characterised in that it has at least two substantially trapezoidal sections coextruded with one (or more) strip (14b) for articulation on each other.
  10. Shutter, produced by connecting slats according to any one of Claims 1 to 9, the slats being connected to each other and one after the other through the cooperation of a rod (15) in a recess (10), the shutter (17) being mounted transversely at at least one free end of the slats in at least one runner (18) so as to be guided by the latter and to slide therein.
  11. Shutter according to Claim 10, characterised in that the strips (14, 1 4a, 1 4b) are separated from the two edges of the runner (18).
  12. Shutter according to either one of Claims 10, 11, characterised in that the runner (18) has at least one angled part (i8c, i8d), having a contour in the form of a circular portion.
  13. Shutter according to Claim 12, characterised in that the edge of the angled part (i8c, i8d) with the smallest radius cooperates with the small base (3) whilst the edge with the largest radius cooperates with the large base (2).
EP95400378A 1994-02-25 1995-02-22 Profiled slat for a shutter curtain and corresponding shutter curtain Expired - Lifetime EP0669444B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9402167 1994-02-25
FR9402167A FR2716696B1 (en) 1994-02-25 1994-02-25 Profiled blade for curtain closing and corresponding closing curtain.

Publications (3)

Publication Number Publication Date
EP0669444A1 EP0669444A1 (en) 1995-08-30
EP0669444B1 EP0669444B1 (en) 1999-01-07
EP0669444B2 true EP0669444B2 (en) 2009-12-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP95400378A Expired - Lifetime EP0669444B2 (en) 1994-02-25 1995-02-22 Profiled slat for a shutter curtain and corresponding shutter curtain

Country Status (4)

Country Link
EP (1) EP0669444B2 (en)
AT (1) ATE175469T1 (en)
DE (1) DE69507059T2 (en)
FR (1) FR2716696B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2746441B1 (en) * 1996-03-20 1998-08-28 Legeais Joseph PROFILED BLADES FOR CURTAIN CLOSURE AND CLOSURE CURTAIN COMPRISING SUCH BLADES
GB0014796D0 (en) * 2000-06-16 2000-08-09 Cupples Alan V The AC coupling
FR2817900B1 (en) 2000-12-08 2003-10-03 Joseph Legeais PROFILED BLADE FOR CURTAIN CLOSURE
GB2488570A (en) 2011-03-02 2012-09-05 James Stephen Burgess A modular component for forming curved surfaces

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1187160A (en) † 1957-11-14 1959-09-08 Hinged panels formed from prefabricated elements
AT295819B (en) † 1968-02-14 1972-01-25 Schnicks Carl & Co Plastic roller shutter slat
US4217945A (en) † 1978-01-13 1980-08-19 Dyna-Plastik Werke Gmbh Wedge-shaped securing element for roller blind assembly
FR2687724A1 (en) † 1992-02-26 1993-08-27 Legeais Joseph PROFILED BLADE FOR CURTAIN CLOSURE, AND CORRESPONDING CLOSURE CURTAIN.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8706209U1 (en) * 1987-04-30 1987-06-19 Hetal-Werke Franz Hettich Gmbh & Co, 7297 Alpirsbach Roller shutter mat
IT1256166B (en) * 1992-11-02 1995-11-29 MODULAR DAMPER

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1187160A (en) † 1957-11-14 1959-09-08 Hinged panels formed from prefabricated elements
AT295819B (en) † 1968-02-14 1972-01-25 Schnicks Carl & Co Plastic roller shutter slat
US4217945A (en) † 1978-01-13 1980-08-19 Dyna-Plastik Werke Gmbh Wedge-shaped securing element for roller blind assembly
FR2687724A1 (en) † 1992-02-26 1993-08-27 Legeais Joseph PROFILED BLADE FOR CURTAIN CLOSURE, AND CORRESPONDING CLOSURE CURTAIN.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Catalogue ¨REHAU - Rauvolet Rolladensysteme¨" †

Also Published As

Publication number Publication date
DE69507059D1 (en) 1999-02-18
EP0669444B1 (en) 1999-01-07
FR2716696A1 (en) 1995-09-01
ATE175469T1 (en) 1999-01-15
DE69507059T2 (en) 1999-09-09
FR2716696B1 (en) 1997-10-03
EP0669444A1 (en) 1995-08-30

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