EP0634558A1 - Roller shutter with transversal locking of the slats and their assembly line, machine for their manufacturing - Google Patents
Roller shutter with transversal locking of the slats and their assembly line, machine for their manufacturing Download PDFInfo
- Publication number
- EP0634558A1 EP0634558A1 EP93470017A EP93470017A EP0634558A1 EP 0634558 A1 EP0634558 A1 EP 0634558A1 EP 93470017 A EP93470017 A EP 93470017A EP 93470017 A EP93470017 A EP 93470017A EP 0634558 A1 EP0634558 A1 EP 0634558A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- blade
- edge
- wire
- deck
- notch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/08—Roll-type closures
- E06B9/11—Roller shutters
- E06B9/15—Roller shutters with closing members formed of slats or the like
-
- 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
- E06B2009/1533—Slat connections
- E06B2009/1572—Locking means to prevent slat disengagement
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/08—Roll-type closures
- E06B9/11—Roller shutters
- E06B9/17—Parts or details of roller shutters, e.g. suspension devices, shutter boxes, wicket doors, ventilation openings
- E06B2009/17092—Manufacturing
Definitions
- the blade (1) is presented by the right in the figure on the input table (17) and placed against a guide rule (18) internal face (7) facing the table and hook edge (4) directed towards the previous blade (2).
- the blade stops on a retractable stopper positioned at a predetermined distance (D) from the edge of the apron and corresponding to the length of projection of the blade provided for the work station on the other side of the apron.
- a clamp described later in detail, is lowered and pressed against the blade to hold it during the subsequent steps.
- a grinding wheel movable in a pendulum type vertical plane pivots and forms the notch (14) in the lip (6) of the blade at the distance (x) from the edge then withdraws as well as the saw (22).
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
Description
La présente invention concerne des lames, des tabliers et volets roulants à lames avec verrouillage transversal, un procédé d'assemblage des lames pour ces tabliers et volets roulants, ainsi qu'un dispositif pour la mise en oeuvre du procédé.The present invention relates to blades, aprons and roller shutters with blades with transverse locking, a method of assembling the blades for these aprons and roller shutters, as well as a device for implementing the method.
L'invention concerne plus particulièrement les tabliers à lames plastiques, chaque lame formée de deux faces rectangulaires s'étendant sur toute la largeur du tablier, séparées par des nervures plastiques longitudinales, et bordées sur leurs deux longueurs de bordures d'accrochage.The invention relates more particularly to aprons with plastic blades, each blade formed by two rectangular faces extending over the entire width of the apron, separated by longitudinal plastic ribs, and bordered on their two lengths of attachment edges.
Il existe déjà différents moyens pour empêcher le glissement des lames l'une par rapport à l'autre, transversalement au tablier.There are already different ways to prevent the blades from sliding relative to each other, transversely to the deck.
Par exemple, on connaît un système de verrouillage à plaquettes agrafées en bout des lames plastiques mais ce système est onéreux et ne peut convenir qu'aux lames suffisament larges, supérieures à 40 mm.For example, a locking system with plates stapled at the end of the plastic blades is known, but this system is expensive and can only be suitable for sufficiently large blades, greater than 40 mm.
On connait également un système à clous pour lames en aluminium mais ce système ne peut s'appliquer aux lames plastiques qu'il détériore.There is also known a nail system for aluminum blades, but this system cannot be applied to plastic blades which it deteriorates.
La présente invention vise à remédier à ces inconvénients et son but principal est de proposer :
- un moyen peu onéreux de verrouillage latéral des lames,
- de mise en place facile,
- pouvant convenir aux lames de toutes largeurs et en particulier aux lames inférieures à 40 mm pour lesquelles le problème technique à résoudre est plus difficile pour des raisons de moindre résistance de la lame,
- qui soit suffisamment résistant et fiable.
- an inexpensive means of lateral locking of the blades,
- easy to set up,
- may be suitable for blades of all widths and in particular for blades less than 40 mm for which the technical problem to be solved is more difficult for reasons of lower resistance of the blade,
- that is strong enough and reliable.
Ce but est atteint grâce à l'invention qui consiste en un tablier pour volet roulant à lames plastiques emboîtées par coopération d'une bordure en crochet d'une lame retenue par une lèvre d'une bordure femelle de la lame suivante, caractérisé en ce que le vérouillage latéral des lames est réalisé par coopération d'une entaille d'une lame et d'un tronçon de fil enfiché dans l'autre lame, entaille et tronçon de fil étant parallèles à un bord du tablier et à une distance prédéterminée (x) de celui-ci.This object is achieved thanks to the invention which consists of an apron for a rolling shutter with plastic blades fitted by cooperation of a hook edge of a blade retained by a lip of a female edge of the following blade, characterized in that that the lateral locking of the blades is carried out by cooperation of a notch of a blade and a section of wire inserted in the other blade, notch and section of wire being parallel to an edge of the deck and at a predetermined distance ( x) of it.
De préférence le tronçon de fil est coupé en biseau, par exemple à 30°, pour faciliter sa pénétration dans le plastique sans dommages pour celui-ci.Preferably the section of wire is cut at a bevel, for example at 30 °, to facilitate its penetration into the plastic without damage to the latter.
De préférence également, l'entaille est réalisée dans la bordure femelle d'une lame et le fil enfiché dans l'autre bordure juste au dessus du crochet.Also preferably, the notch is made in the female edge of a blade and the wire inserted in the other edge just above the hook.
On comprendra mieux l'invention à l'aide de la description qui suit faite en référence aux figures annexées :
- Figure 1 : croquis montrant deux lames d'un tablier emboitées et verrouillées selon l'invention,
- Figure 2 : vue schématique de dessus d'une machine selon l'invention,
- Figure 3 : vue de détail de la pince de transfert de la machine de la figure 2,
- Figure 4 : croquis montrant la fonction de l'écarteur de la machine de la figure 2,
- Figure 5 : outil de coupe de fil de la machine de la figure 2.
- FIG. 1 : sketch showing two blades of an apron fitted and locked according to the invention,
- FIG. 2 : schematic top view of a machine according to the invention,
- FIG. 3 : detailed view of the transfer clamp of the machine of FIG. 2,
- Figure 4 : sketch showing the function of the spreader of the machine in Figure 2,
- Figure 5 : machine wire cutting tool of Figure 2.
On se reportera d'abord à la figure 1 qui montre deux lames plastiques (1,2) emboitées et verrouillées selon l'invention par un tronçon de fil acier (3).Reference will first be made to FIG. 1 which shows two plastic blades (1,2) fitted and locked according to the invention by a section of steel wire (3).
L'emboitement est réalisé par une bordure en crochet (4) retenue par une lèvre (6) d'une bordure femelle (5).The interlocking is achieved by a hook border (4) retained by a lip (6) of a female border (5).
Chaque lame comporte une face interne (7) et une face externe (8) séparées par des nervures par exemple cinq nervures (9,10,11,12,13).Each blade has an internal face (7) and an external face (8) separated by ribs, for example five ribs (9,10,11,12,13).
A la distance (x) du bord du tablier, chaque lèvre (6) comporte une encoche ou entaille (14) transversale et parallèle au bord du tablier. L'entaille (14) peut être pratiquée dans les deux faces de la bordure ou dans une seule comme sur la figure 4.At the distance (x) from the edge of the apron, each lip (6) has a notch or notch (14) transverse and parallel to the edge of the apron. The notch (14) can be made in both sides of the border or in a single one as in FIG. 4.
Le verrouillage latéral des lames est réalisé par coopération d'une entaille (14) de la lame (2) et d'un tronçon de fil (3) enfiché perpendiculairement dans la nervure (13) et juste au dessus de la nervure en crochet (4) de la lame (1).The lateral locking of the blades is achieved by cooperation of a notch (14) of the blade (2) and a section of wire (3) inserted perpendicularly in the rib (13) and just above the hook rib ( 4) of the blade (1).
Le tronçon de fil (3) présente une partie cachée représentée en pointillés qui traverse la nervure (12) et vient en butée sur la nervure (11) et une partie visible qui se loge dans l'entaille (14) de la lame suivante et dont la longueur est légèrement inférieure à celle de l'entaille.The wire section (3) has a hidden part shown in dotted lines which crosses the rib (12) and abuts on the rib (11) and a visible part which is housed in the notch (14) of the next blade and whose length is slightly less than that of the notch.
On comprendra que la forme des lames représentées et le nombre de nervures ne sont pas limitatifs et qu'il peut s'agir également de lames pour rideaux roulants.It will be understood that the shape of the blades shown and the number of ribs are not limiting and that it may also be blades for rolling shutters.
On comprendra également que l'invention est particulièrement intéressante pour les lames de faible largeur où la face d'entrée (13) du fil est étroite et fragile et où les moyens de verrouillages connus à ce jour sont impossibles à mettre en place.It will also be understood that the invention is particularly advantageous for blades of small width where the entry face (13) of the wire is narrow and fragile and where the locking means known to date are impossible to install.
On se reportera à présent aux figures 2 à 5 pour la description conjointe du procédé d'assemblage selon l'invention et d'une machine de mise en oeuvre du procédé.Reference will now be made to FIGS. 2 to 5 for the joint description of the assembly method according to the invention and of a machine for implementing the method.
La figure 2 montre un tablier (15) en cours d'assemblage et d'enroulage directement sur son axe (16) au fur et à mesure de sa fabrication.Figure 2 shows an apron (15) during assembly and winding directly on its axis (16) as it is manufactured.
L'accrochage automatique de la lame (1) sur la lame précédente (2) se déroule comme suit :The automatic attachment of the blade (1) to the previous blade (2) takes place as follows:
La lame (1) est présentée par la droite sur la figure sur la table d'entrée (17) et placée contre une règle de guidage (18) face interne (7) tournée vers la table et bordure en crochet (4) dirigée vers la lame précédente (2).The blade (1) is presented by the right in the figure on the input table (17) and placed against a guide rule (18) internal face (7) facing the table and hook edge (4) directed towards the previous blade (2).
La lame s'arrête sur une bûtée escamontable positionnée à une distance prédéterminée (D) du bord du tablier et correspondant à la longueur de dépassement de la lame prévue pour le poste de travail de l'autre côté du tablier. Une pince, décrite plus loin en détail, s'abaisse et se plaque sur la lame pour la maintenir au cours des étapes ultérieures.The blade stops on a retractable stopper positioned at a predetermined distance (D) from the edge of the apron and corresponding to the length of projection of the blade provided for the work station on the other side of the apron. A clamp, described later in detail, is lowered and pressed against the blade to hold it during the subsequent steps.
La lame (1) est coupée à la largeur du tablier par une scie (22) rotative mobile dans un plan vertical et placée sous la table.The blade (1) is cut to the width of the deck by a rotary saw (22) movable in a vertical plane and placed under the table.
Une meule mobile dans un plan vertical de type pendulaire pivote et forme l'entaille (14) dans la lèvre (6) de la lame à la distance (x) du bord puis se retire ainsi que la scie (22).A grinding wheel movable in a pendulum type vertical plane pivots and forms the notch (14) in the lip (6) of the blade at the distance (x) from the edge then withdraws as well as the saw (22).
Un fil d'acier (23) venu d'une bobine (24) est redressé par un redresseur à galet (25) et traverse un canal de guidage (26) prévu dans un outil de coupe (27).A steel wire (23) from a coil (24) is straightened by a roller straightener (25) and passes through a guide channel (26) provided in a cutting tool (27).
Le fil est envoyé dans la lame par un vérin (43) comme expliqué précédemment puis coupé à 30° pour former une pointe facilitant l'introduction du fil et évitant l'éclatement du plastique.The wire is sent into the blade by a jack (43) as explained above and then cut at 30 ° to form a point facilitating the introduction of the wire and preventing the plastic from bursting.
Un écarteur (28) en forme de pointe par exemple (figure 4) ouvre la bordure et écarte la lèvre (6) de la lame (2) du tablier, pour permettre le passage du tronçon de fil (3) de la lame suivante (1) lors de l'étape ultérieure.A spacer (28) in the shape of a point for example (FIG. 4) opens the border and spreads the lip (6) of the blade (2) of the deck, to allow the passage of the section of wire (3) of the next blade ( 1) during the next step.
La butée (21) s'étant retirée, la pince (31) maintenant la lame entre son doigt presseur (32) et une cale (33) compensatrice (figure 3) se déplace vers la gauche et transfert la lame dans sa position définitive. Un capteur (29) détecte la position de la lame et informe deux vérins (41,42) de pousser le tablier de la largeur de la lame. La pince (31) et la butée (21) reviennent en position de départ. Le tablier "poussé" va appuyer sur un détecteur (44) placé sous le tablier. Il va mettre en marche le moteur (30) jusqu'à ce que le volet soit à nouveau tendu.The stop (21) having been withdrawn, the clamp (31) holding the blade between its pressing finger (32) and a wedge (33) compensator (Figure 3) moves to the left and transfers the blade to its final position. A sensor (29) detects the position of the blade and informs two jacks (41,42) to push the deck the width of the blade. The clamp (31) and the stop (21) return to the starting position. The "pushed" apron will press on a detector (44) placed under the apron. It will start the motor (30) until the shutter is tensioned again.
On se reportera à la figure 3 pour la description de détail de la pince (31). Elle est portée par un étrier (34), guidé par une tige de guidage (35) avec douille à billes et déplacé par un vérin de pression (36) parallèlement à la table supportant la lame (1). Deux galets (45) cheminant dans un cornière empêchent l'étrier de tourner.Reference is made to FIG. 3 for the detailed description of the clamp (31). It is carried by a stirrup (34), guided by a guide rod (35) with ball bushing and moved by a pressure cylinder (36) parallel to the table supporting the blade (1). Two rollers (45) running in an angle iron prevent the stirrup from turning.
Un doigt presseur (32) est déplacé verticalement par un vérin de pression (37), il plaque la lame sur une cale (39) compensatrice épousant la forme concave de la face interne de la lame et traversant une fente longitudinale (38) prévue dans la table (17) pour le transfert final de la lame.A pressing finger (32) is moved vertically by a pressure cylinder (37), it presses the blade on a compensating wedge (39) conforming to the concave shape of the internal face of the blade and passing through a longitudinal slot (38) provided in the table (17) for the final transfer of the blade.
On prévoit un jeu de plusieurs cales (39) de formes et épaisseurs adaptées aux types de lames utilisées.A set of several shims (39) of shapes and thicknesses adapted to the types of blades used is provided.
Par ailleurs, le poste arrière (40) comportant capteurs et fin de courses et portant à distance fixe (D) la butée (21) est déplaçable de manière à déterminer la longueur de lame à couper.Furthermore, the rear station (40) comprising sensors and limit switches and carrying the fixed distance (D) the stop (21) is movable so as to determine the length of blade to be cut.
Le processus complet de fabrication d'un volet se déroule comme suit :
- on règle la longueur de coupe, on place les cales appropriées au profil de lames utilisées, et on affiche le nombre de lames ou la longueur du tablier.
- on met la machine en marche et on répète les cycles décrits ci-dessus pour chaque lame,
- la machine compte les lames et s'arrête automatiquement en fonction de la valeur affichée préalablement.
- le volet s'est enroulé directement sur son axe (16) il est terminé et éjecté.
- the cutting length is adjusted, the shims appropriate to the blade profile used are placed, and the number of blades or the length of the deck is displayed.
- the machine is started and the cycles described above are repeated for each blade,
- the machine counts the blades and stops automatically according to the value displayed previously.
- the flap is wound directly on its axis (16) it is finished and ejected.
La machine comporte en outre une armoire de commande (47) un circuit et des organes pneumatiques, un circuit et des organes électriques pour l'homme du métier.The machine further comprises a control cabinet (47) a circuit and pneumatic members, a circuit and electrical members for those skilled in the art.
On notera qu'il est préférable de prévoir l'entaille (14) dans la bordure et le fil (3) sur le crochet, et non l'inverse, pour ne pas entraver le bon fonctionnement des lames assemblées. En effet si le fil se trouve placé dans la bordure, il peut se coincer dans un ajour (45) que peut comporter le crochet dans certains types de lames, ou bien il faut prévoir la découpe de la lame de sorte que l'encoche se trouve toujours dans une partie non ajourée du crochet.Note that it is preferable to provide the notch (14) in the border and the wire (3) on the hook, and not vice versa, so as not to hinder the proper functioning of the assembled blades. Indeed if the wire is placed in the border, it can get stuck in an opening (45) that may include the hook in certain types of blades, or else it is necessary to plan the cutting of the blade so that the notch always found in an unopened part of the hook.
Les avantages et performances de l'invention sont nombreux et notamment :
- réglage rapide (environ une minute) de la machine en fonction des paramètres du rideau,
- rapidité de fabrication (environ cinq secondes par lame),
- faible coût de la pièce de verrouillage pour une bonne résistance,
- adaptabilité de la machine aux profils des lames grâce aux cales de la pince,
- large réglage de la longueur de coupe, par exemple de 0,45 m à 3,50 m,
- utilisation de lames de 35 à 60 mm de large et de 4 à 14 mm d'épaisseur selon profil,
- bon fonctionnement des lames assemblées que les crochets possèdent ou non des ajours (45).
- quick adjustment (around one minute) of the machine according to the curtain parameters,
- manufacturing speed (around five seconds per blade),
- low cost of the locking part for good resistance,
- adaptability of the machine to the profiles of the blades thanks to the wedges of the clamp,
- wide adjustment of the cutting length, for example from 0.45 m to 3.50 m,
- use of
blades 35 to 60 mm wide and 4 to 14 mm thick depending on the profile, - correct operation of the assembled blades whether or not the hooks have openings (45).
Claims (9)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9207387A FR2692313B1 (en) | 1992-06-15 | 1992-06-15 | ROLLER SHUTTERS WITH TRANSVERSE BLADE LOCKING AND THEIR ASSEMBLY PROCESS, MACHINE FOR IMPLEMENTING THE PROCESS. |
EP93470017A EP0634558B1 (en) | 1992-06-15 | 1993-07-12 | Roller shutter with transversal locking of the slats and their assembly line, machine for their manufacturing |
DE1993615685 DE69315685T2 (en) | 1993-07-12 | 1993-07-12 | Roller shutters with transverse securing of the roller shutter slats and their manufacture, device for the manufacture |
AT93470017T ATE161071T1 (en) | 1993-07-12 | 1993-07-12 | ROLLER SHUTTERS WITH TRANSVERSAL SECURING OF THE ROLLER SHUTTER BARS AND THEIR PRODUCTION, DEVICE FOR PRODUCTION |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9207387A FR2692313B1 (en) | 1992-06-15 | 1992-06-15 | ROLLER SHUTTERS WITH TRANSVERSE BLADE LOCKING AND THEIR ASSEMBLY PROCESS, MACHINE FOR IMPLEMENTING THE PROCESS. |
EP93470017A EP0634558B1 (en) | 1992-06-15 | 1993-07-12 | Roller shutter with transversal locking of the slats and their assembly line, machine for their manufacturing |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0634558A1 true EP0634558A1 (en) | 1995-01-18 |
EP0634558B1 EP0634558B1 (en) | 1997-12-10 |
Family
ID=26134783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93470017A Revoked EP0634558B1 (en) | 1992-06-15 | 1993-07-12 | Roller shutter with transversal locking of the slats and their assembly line, machine for their manufacturing |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0634558B1 (en) |
FR (1) | FR2692313B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1233139A2 (en) * | 2001-02-10 | 2002-08-21 | Firma Käthe Schulten | Device for creating a lock for roller shutter slats |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2915120B1 (en) * | 2007-04-20 | 2010-01-01 | Acra | AUTOMATIC ASSEMBLY MACHINE FOR ROLLING SHUTTERS COMPRISING A SELECTION UNIT OF SHAPED BOARDS OF PREASSEMBLED BLADES |
BE1022732B1 (en) * | 2015-02-25 | 2016-08-25 | Nimme Bvba | Device and method for mutually locking slats |
WO2016134427A2 (en) * | 2015-02-25 | 2016-09-01 | Nimme Bvba | Method and device for mutual locking of slats |
IT202100029336A1 (en) * | 2021-11-19 | 2023-05-19 | Dallan Spa | SLAT FOR ROLLER SHUTTERS, SHUTTER INCLUDING THIS SLAT AND SYSTEM FOR CREATING SUCH SHUTTER |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH407507A (en) * | 1961-05-22 | 1966-02-15 | Hunter Douglas International | Device for inserting a peg into the rolled edge connections of a lamella wall |
US3734161A (en) * | 1970-08-26 | 1973-05-22 | E Pierce | Door construction |
US4825519A (en) * | 1987-05-27 | 1989-05-02 | Supreme Aluminum Products | Machine for making awnings |
-
1992
- 1992-06-15 FR FR9207387A patent/FR2692313B1/en not_active Expired - Lifetime
-
1993
- 1993-07-12 EP EP93470017A patent/EP0634558B1/en not_active Revoked
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH407507A (en) * | 1961-05-22 | 1966-02-15 | Hunter Douglas International | Device for inserting a peg into the rolled edge connections of a lamella wall |
US3734161A (en) * | 1970-08-26 | 1973-05-22 | E Pierce | Door construction |
US4825519A (en) * | 1987-05-27 | 1989-05-02 | Supreme Aluminum Products | Machine for making awnings |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1233139A2 (en) * | 2001-02-10 | 2002-08-21 | Firma Käthe Schulten | Device for creating a lock for roller shutter slats |
EP1233139A3 (en) * | 2001-02-10 | 2003-11-12 | Firma Käthe Schulten | Device for creating a lock for roller shutter slats |
Also Published As
Publication number | Publication date |
---|---|
EP0634558B1 (en) | 1997-12-10 |
FR2692313B1 (en) | 1998-12-24 |
FR2692313A1 (en) | 1993-12-17 |
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