EP0057293B1 - Insulating element for roller shutter blind casings - Google Patents

Insulating element for roller shutter blind casings Download PDF

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Publication number
EP0057293B1
EP0057293B1 EP81201201A EP81201201A EP0057293B1 EP 0057293 B1 EP0057293 B1 EP 0057293B1 EP 81201201 A EP81201201 A EP 81201201A EP 81201201 A EP81201201 A EP 81201201A EP 0057293 B1 EP0057293 B1 EP 0057293B1
Authority
EP
European Patent Office
Prior art keywords
component according
isolation component
shaped
isolation
flanges
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
Application number
EP81201201A
Other languages
German (de)
French (fr)
Other versions
EP0057293A1 (en
Inventor
André Florin
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.)
Andre Florin Personnes A Responsabilite Ets Ltee Ste
Original Assignee
Andre Florin Personnes A Responsabilite Ets Ltee Ste
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
Priority claimed from BE2/58984A external-priority patent/BE887277A/en
Application filed by Andre Florin Personnes A Responsabilite Ets Ltee Ste filed Critical Andre Florin Personnes A Responsabilite Ets Ltee Ste
Priority to AT81201201T priority Critical patent/ATE10774T1/en
Publication of EP0057293A1 publication Critical patent/EP0057293A1/en
Application granted granted Critical
Publication of EP0057293B1 publication Critical patent/EP0057293B1/en
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/17—Parts or details of roller shutters, e.g. suspension devices, shutter boxes, wicket doors, ventilation openings
    • E06B9/17007—Shutter boxes; Details or component parts thereof
    • E06B9/1703—Fixing of the box; External plastering of the box
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/17—Parts or details of roller shutters, e.g. suspension devices, shutter boxes, wicket doors, ventilation openings
    • E06B9/17007—Shutter boxes; Details or component parts thereof
    • E06B9/17015—Shutter boxes; Details or component parts thereof made of at most two pieces; Front opening details

Definitions

  • the invention relates to an insulating element of the type having substantially the shape of a U for flap boxes housed in double walls.
  • the object of the present invention is an element of the aforementioned type, but does not have these drawbacks.
  • this object is achieved by the fact that the U-shaped element, the external dimensions of which correspond to the internal dimensions of the shutter box concerned, is introduced into said box so that the two wings of the U are arranged horizontally and that the width of the upper wing of the U-shaped element is equal to the width of the lower wing plus the distance between the interior and exterior walls in order to cover the void between said walls.
  • At least the wing or lower flange of said U has an inclined inner face allowing the evacuation of the dripping water from the rolled up shutter after heavy rain.
  • the U-shaped element is provided with limiting profiles allowing, during the mounting of the U-shaped element, the correct placement thereof automatically .
  • the U-shaped elements are manufactured in reduced length, the ends of the elements being, in this case, provided with female parts, respectively male parts.
  • the U-shaped element will be manufactured in three parts, forming, respectively, the wings or flanges and the core of said U-shaped element, the part forming the core being able to have different widths in order to be able to adapt the U-shaped element, in an exceptionally easy way, at the interior height of the shutter box.
  • FIG. 1 represents a shutter box 1 substantially constituted by a lower part 2, an upper part 3 and a front element 4 allowing access to the shutter 5.
  • the body 1 is provided with a U-shaped insulating element 6 whose external dimensions correspond to the internal dimensions of the aforementioned shutter body 1 so that this insulating element is slightly coincident between the parts 2 and 3.
  • the inner faces, respectively 7-8, of the flanges 9-10 of the U-shaped element 6 preferably have a slight inclination in order to obtain a certain evacuation of the drainage water.
  • the U-shaped elements can have any length and are sawn to size at the place of use.
  • FIG. 3 represents an insulation element according to the invention, the rear edges of which are provided with a limiting profile, respectively 11-12, allowing, in an easy manner, the exact position of the insulation element 6 in the cabinet 1.
  • these profiles have projecting edges or ribs, respectively 13-14, being placed, during assembly, between the abovementioned parts 2-3 and the front element 4.
  • the elements according to the invention can be provided, at their ends, with female parts 15 and male parts 16 respectively, in order to avoid thermal bonding fronts.
  • the insulation can be made in three parts, including the wings or flanges 9-10 and the core 17, which can be fixed to one another in any way.
  • the core 17 can be delivered in different widths in order to obtain that the dimensions of the insulation can be determined on site in relation to the body concerned and without the need for a considerable quantity.
  • FIGS. 7 and 8 other alternative embodiments are shown.
  • the wings 9-10 are provided with grooves 18-19 and 20-21 in at least two of which can be accommodated an elastic seal, in this case 22-23, for example a self-adhesive seal making it possible to isolate the possible clearance 24 between the U-shaped element 6 and box 1.
  • an elastic seal in this case 22-23, for example a self-adhesive seal making it possible to isolate the possible clearance 24 between the U-shaped element 6 and box 1.
  • FIGS. 7 and 8 also show that the upper wing 9 of the U-shaped element 6 is extended by a part 25 in order to automatically cover the void 26 - filled or not with insulation material - between the walls 27- 28.
  • FIG. 8 is shown a preferred embodiment of a U 6 in three parts, more particularly as regards the connection between the wings 9-10 and the core 17.
  • the flange 10 of the element 6 could be provided with a groove 29, as shown diagrammatically in FIG. 1, in order to allow ventilation of the head of the chassis.
  • the insulation element 6, respectively the constituent parts of this insulation element, can be obtained by rolling, extrusion, injection, molding, blowing, etc.
  • An exterior and / or interior covering such as kraft paper, P.V.C. film, etc., can be applied to the insulation element 6 to act as a vapor barrier or protection against water infiltration.
  • end pieces are also provided in order to obtain total insulation of the body.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Building Environments (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

1. Prefabricated isolation components substantially showing the shape of a U for rolling shutter cases housed in double walls, characterized in that the component (6), the inside dimensions of which are corresponding to the inside dimensions of the rolling shutter case under consideration, is being introduced into the aforesaid case in such a way that both the flanges (9-10) of the U are arranged horizontally and that the width of the upper flange (9) of the U-shaped component (6) is equal to the width of the lower flange (10) plus the distance between the inside and outside walls (27-28), in order to cover the empty space (26) between the aforesaid walls.

Description

L'invention concerne un élément d'isolation du type présentant substantiellement la forme d'un U pour caisses à volets logées dans des murs doubles.The invention relates to an insulating element of the type having substantially the shape of a U for flap boxes housed in double walls.

Un tel élément est connu du DE-U-6.949.618.Such an element is known from DE-U-6,949,618.

Toutefois, l'isolation obtenue par cet élément connu, dans des murs doubles, est assez médiocre, étant donné que les ailes supérieure et inférieure de l'élément en U présentent des largeurs égales formant, de cette manière, aussi bien à la partie inférieure qu'à la partie supérieure de l'élément, une communication directe avec l'atmosphère et, par ce fait, une circulation libre d'air à l'intérieur du mur double.However, the insulation obtained by this known element, in double walls, is quite poor, since the upper and lower wings of the U-shaped element have equal widths forming, in this way, both at the bottom that at the upper part of the element, a direct communication with the atmosphere and, by this fact, a free circulation of air inside the double wall.

L'objet de la présente invention est un élément du type susmentionné, mais ne présentant pas ces inconvénients.The object of the present invention is an element of the aforementioned type, but does not have these drawbacks.

Selon l'invention, ce but est atteint par le fait que l'élément en U, dont les dimensions extérieures correspondent aux dimensions intérieures de la caisse à volet concernée, est introduit dans ladite caisse de façon que les deux ailes de l'U soient disposées horizontalement et que la largeur de l'aile supérieure de l'élément en U soit égale à la largeur de l'aile inférieure plus la distance entre les murs intérieurs et extérieurs afin de recouvrir le vide entre lesdits murs.According to the invention, this object is achieved by the fact that the U-shaped element, the external dimensions of which correspond to the internal dimensions of the shutter box concerned, is introduced into said box so that the two wings of the U are arranged horizontally and that the width of the upper wing of the U-shaped element is equal to the width of the lower wing plus the distance between the interior and exterior walls in order to cover the void between said walls.

Dans une première forme préférentielle, au moins l'aile ou flange inférieure dudit U présente une face intérieure inclinée permettant l'évacuation des eaux d'égouttage du volet enroulé après fortes pluies.In a first preferred form, at least the wing or lower flange of said U has an inclined inner face allowing the evacuation of the dripping water from the rolled up shutter after heavy rain.

Dans une autre forme préférentielle de l'élément d'isolation selon l'invention, l'élément en forme de U est pourvu de profils limitateurs permettant, au cours du montage de l'élément en U, automatiquement le placement correct de celui-ci.In another preferred form of the insulating element according to the invention, the U-shaped element is provided with limiting profiles allowing, during the mounting of the U-shaped element, the correct placement thereof automatically .

Dans une autre forme préférentielle, les éléments en U sont fabriqués en longueur réduite, les extrémités des éléments étant, dans ce cas, pourvues de parties femelles, respectivement mâles.In another preferred form, the U-shaped elements are manufactured in reduced length, the ends of the elements being, in this case, provided with female parts, respectively male parts.

Enfin, dans une dernière forme préférentielle, l'élément en U sera fabriqué en trois pièces, formant, respectivement, les ailes ou flanges et l'âme dudit élément en U, la pièce formant l'âme pouvant présenter différentes largeurs afin de pouvoir adapter l'élément en U, d'une manière exceptionnellement facile, à la hauteur intérieure de la caisse à volet.Finally, in a last preferred form, the U-shaped element will be manufactured in three parts, forming, respectively, the wings or flanges and the core of said U-shaped element, the part forming the core being able to have different widths in order to be able to adapt the U-shaped element, in an exceptionally easy way, at the interior height of the shutter box.

Afin de mieux faire ressortir les susdits et autres caractéristiques et avantages de l'élément selon l'invention, quelques variantes d'exécution sont décrites ci-après avec référence aux dessins annexés dans lesquels:

  • . la figure 1 représente une coupe transversale d'une caisse à volet pourvue d'un élément d'isolation selon l'invention;
  • la figure 2 représente, en vue perspective, l'élément selon l'invention dans sa forme la plus simple;
  • les figures 3 et 4 représentent des vues semblables à celle de la figure 2;
  • la figure 5 représente une vue selon la flèche F5 de la figure 4;
  • la figure 6 représente, en vue perspective explosée, l'élément selon l'invention dans une variante d'exécution;
  • la figure 7 représente une coupe semblable à celle de la figure 1, mais pour une variante d'exécution;
  • la figure 8 représente une variante pour la partie indiquée en F8 à la figure 6.
To better highlight the above and other characteristics and advantages of the element according to the invention, some alternative embodiments are described below with reference to the accompanying drawings in which:
  • . Figure 1 shows a cross section of a shutter box provided with an insulation element according to the invention;
  • 2 shows, in perspective view, the element according to the invention in its simplest form;
  • Figures 3 and 4 show views similar to that of Figure 2;
  • Figure 5 shows a view along arrow F5 of Figure 4;
  • Figure 6 shows, in exploded perspective view, the element according to the invention in an alternative embodiment;
  • Figure 7 shows a section similar to that of Figure 1, but for an alternative embodiment;
  • FIG. 8 represents a variant for the part indicated in F8 in FIG. 6.

La figure 1 représente une caisse à volet 1 substantiellement constituée par une partie inférieure 2, une partie supérieure 3 et un élément frontal 4 permettant l'accès au volet 5.FIG. 1 represents a shutter box 1 substantially constituted by a lower part 2, an upper part 3 and a front element 4 allowing access to the shutter 5.

Selon l'invention, la caisse 1 est pourvue d'un élément d'isolation en forme de U 6 dont les dimensions extérieures correspondant aux dimensions intérieures de la susdite caisse à volet 1 de manière que cet élément d'isolation soit légèrement coïncé entre les parties 2 et 3. Les faces intérieures, respectivement 7-8, des flanges 9-10 de l'élément 6 en U présentent, de préférence, une légère inclinaison afin d'obtenir une évacuation certaine des eaux d'égouttage.According to the invention, the body 1 is provided with a U-shaped insulating element 6 whose external dimensions correspond to the internal dimensions of the aforementioned shutter body 1 so that this insulating element is slightly coincident between the parts 2 and 3. The inner faces, respectively 7-8, of the flanges 9-10 of the U-shaped element 6 preferably have a slight inclination in order to obtain a certain evacuation of the drainage water.

Les éléments en U peuvent avoir une longueur quelconque et sont sciés sur mesure à l'endroit d'utilisation.The U-shaped elements can have any length and are sawn to size at the place of use.

De plus, en utilisant ces éléments, il n'y a pas de pertes lors du placement, étant donné que la chute du dernier morceau peut servir de départ pour une autre caisse ou caisson.In addition, using these elements, there are no losses during placement, since the fall of the last piece can serve as a starting point for another box or box.

La figure 3 représente un élément d'isolation selon l'invention dont les bords arrière sont pourvus d'un profil limitateur, respectivement 11-12, permettant, d'une manière facile, la position exacte de l'élément d'isolation 6 dans l'armoire 1. A cette fin, ces profils présentent des bords saillants ou nervures, respectivement 13-14, se plaçant, lors du montage, entre les susdites parties 2-3 et l'élément frontal 4.FIG. 3 represents an insulation element according to the invention, the rear edges of which are provided with a limiting profile, respectively 11-12, allowing, in an easy manner, the exact position of the insulation element 6 in the cabinet 1. To this end, these profiles have projecting edges or ribs, respectively 13-14, being placed, during assembly, between the abovementioned parts 2-3 and the front element 4.

Comme représenté aux figures 4-5, les éléments selon l'invention peuvent être pourvus, à leurs extrémités, de parties femelles 15, respectivement mâles 16 afin d'éviter des fronts thermiques de liaison.As shown in FIGS. 4-5, the elements according to the invention can be provided, at their ends, with female parts 15 and male parts 16 respectively, in order to avoid thermal bonding fronts.

Comme représenté à la figure 6, l'isolation peut être réalisée en trois pièces, notamment les ailes ou flanges 9-10 et l'âme 17, pouvant être fixées l'une à l'autre d'une manière quelconque. Dans ce cas, l'âme 17 peut être livrée en différentes largeurs afin d'obtenir que les dimensions de l'isolation puissent être déterminées sur place par rapport à la caisse concernée et sans qu'il soit nécessaire de disposer d'une quantité considérable d'éléments en U à hauteurs différentes.As shown in Figure 6, the insulation can be made in three parts, including the wings or flanges 9-10 and the core 17, which can be fixed to one another in any way. In this case, the core 17 can be delivered in different widths in order to obtain that the dimensions of the insulation can be determined on site in relation to the body concerned and without the need for a considerable quantity. U-shaped elements with different heights.

Dans les figures 7 et 8 sont encore représentées d'autres variantes d'exécution.In FIGS. 7 and 8, other alternative embodiments are shown.

Dans une première exécution, les ailes 9-10 sont pourvues de rainures 18-19 et 20-21 dans au moins deux desquelles peut être logé un joint élastique, en l'occurrence 22-23, par exemple un joint autocollant permettant d'isoler le jeu éventuel 24 entre l'élément en U 6 et la caisse 1.In a first execution, the wings 9-10 are provided with grooves 18-19 and 20-21 in at least two of which can be accommodated an elastic seal, in this case 22-23, for example a self-adhesive seal making it possible to isolate the possible clearance 24 between the U-shaped element 6 and box 1.

Les figures 7 et 8 montrent également que l'aile supérieure 9 de l'élément en U 6 est prolongée par une partie 25 afin de recouvrir automatiquement le vide 26 - rempli ou non d'une matière d'isolation - entre les murs 27-28.FIGS. 7 and 8 also show that the upper wing 9 of the U-shaped element 6 is extended by a part 25 in order to automatically cover the void 26 - filled or not with insulation material - between the walls 27- 28.

A la figure 8 est représenté une exécution préférentielle d'un U 6 en trois pièces, plus spécialement en ce qui concerne la liaison entre les ailes 9-10 et l'âme 17.In FIG. 8 is shown a preferred embodiment of a U 6 in three parts, more particularly as regards the connection between the wings 9-10 and the core 17.

Dans une variante d'exécution, la flange 10 de l'élément 6 pourrait être pourvue d'une rainure 29, telle que schématisée à la figure 1, afin de permettre une aération de la tête du châssis.In an alternative embodiment, the flange 10 of the element 6 could be provided with a groove 29, as shown diagrammatically in FIG. 1, in order to allow ventilation of the head of the chassis.

L'élément d'isolation 6, respectivement les pièces constitutives de cet élément d'isolation, peuvent être obtenues par laminage, extrusion, injection, moulage, soufflage, etc.The insulation element 6, respectively the constituent parts of this insulation element, can be obtained by rolling, extrusion, injection, molding, blowing, etc.

De cette manière, on obtient un élément d'isolation efficace et bon marché pour caisses à volets dont le montage et le démontage sont extrêmement simples et n'exigent aucun outillage.In this way, an efficient and inexpensive insulation element is obtained for shutter boxes, the assembly and disassembly of which are extremely simple and require no tools.

Il est évident que l'invention n'est nullement limitée aux exemples d'exécution décrits précédemment mais que de tels éléments d'isolation peuvent être fabriqués en toutes matières adéquates et en toutes proportions et dimmen- sions sans sortir du cadre de l'invention.It is obvious that the invention is in no way limited to the exemplary embodiments described above, but that such insulation elements can be made of any suitable material and in all proportions and dimensions without departing from the scope of the invention. .

On peut, en effet, prévoir tous matériaux habituellement employés dans le domaine de l'invention, tels que polystyrène expansé, poly- uréthane à cellules ouvertes ou fermées, matelas de laine de roche ou de verre, aggloméré de ciment et fibres de bois associées ou non à d'autres produits isolants, verre cellulaire, liège, mousse de P.V.C., etc.One can, in fact, provide all the materials usually employed in the field of the invention, such as expanded polystyrene, polyurethane with open or closed cells, rock wool or glass mattress, agglomerated cement and associated wood fibers. or not to other insulating products, cellular glass, cork, PVC foam, etc.

Un recouvrement extérieur et/ou intérieur, tel que papier kraft, film P.V.C. etc., peut être appliqué sur l'élément d'isolation 6 pour assurer le rôle de pare-vapeur ou protection contre les infiltrations d'eau.An exterior and / or interior covering, such as kraft paper, P.V.C. film, etc., can be applied to the insulation element 6 to act as a vapor barrier or protection against water infiltration.

De préférence sont également prévues des pièces d'about afin d'obtenir une isolation totale de la caisse.Preferably, end pieces are also provided in order to obtain total insulation of the body.

Claims (11)

1. Prefabricated isolation components substantially showing the shape of a U for rolling shutter cases housed in double walls, characterized in that the component (6), the inside dimensions of which are corresponding to the inside dimensions of the rolling shutter case under consideration, is being introduced into the aforesaid case in such a way that both the flanges (9-10) of the U are arranged horizontally and that the width of the upper flange (9) of the U-shaped component (6) is equal to the width of the lower flange (10) plus the distance between the inside and outside walls (27-28), in order to cover the empty space (26) between the aforesaid walls.
2. Isolation component according to claim 1, characterized in that it (6) substantially shows the shape of a U, the outside dimensions of which approximately correspond to the inside dimensions of the rolling shutter case in question (1), the clearance between the rolling shutter case (1) and the U-shaped component (6) being taken up by elastic joints (22-23).
3. Isolation component according to claim 1 or 2, characterized in that the inner face of at least the lower flange (10) of the U-shaped isolation component (6) shows a slight inclination.
4. Isolation component according to claim 2, characterized in that the inner faces of both flanges (9-10) of the U-shaped isolation component (6) show a slight inclination.
5. Isolation component according to one of the preceding claims, characterized in that one, at least, of the flanges (9-10) of the U-shaped component (6) shows two grooves 18-19 (20-21) with which elastic joints are liable to cooperate.
6. Isolation component according to one of the preceding claims, characterized in that it is made of three pieces, in particular two flanges (9-10) and a web (17) liable to be interlocked with one another by any adequate means.
7. Isolation component according to claim 6, characterized in that the aforesaid web (17) exists in several lengths.
8. Isolation component according to one of the preceding claims, characterized in that the rear parts of the longitudinal edges (6) each show a rib.
9. Isolation component according to claim 8, characterized in that the aforesaid ribs are located in one and the same plane.
10. Isolation component according to one of the preceding claims, characterized in that the lower flange of the U-shaped component is provided, at the free end, with the groove.
11. Isolation component according to one of the preceding claims, characterized in that it is made of several pieces, each of same showing, at the ends, respectively, a female part (15) and a male part (16).
EP81201201A 1981-01-29 1981-10-29 Insulating element for roller shutter blind casings Expired EP0057293B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81201201T ATE10774T1 (en) 1981-01-29 1981-10-29 INSULATION ELEMENT FOR ROLLER SHUTTER BOXES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE2/58984A BE887277A (en) 1981-01-29 1981-01-29 INSULATION ELEMENT FOR SHUTTER BOXES
BE2058984 1981-01-29

Publications (2)

Publication Number Publication Date
EP0057293A1 EP0057293A1 (en) 1982-08-11
EP0057293B1 true EP0057293B1 (en) 1984-12-12

Family

ID=3865536

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81201201A Expired EP0057293B1 (en) 1981-01-29 1981-10-29 Insulating element for roller shutter blind casings

Country Status (3)

Country Link
EP (1) EP0057293B1 (en)
AT (1) ATE10774T1 (en)
DE (1) DE3167750D1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU3344389A (en) * 1988-03-11 1989-10-05 Jalousie Shutters Limited Improvements in the installation of roller shutters
EP0998617B1 (en) * 1997-07-25 2004-04-28 Rytec Corporation Improved overhead rigid-panel door
US6247517B1 (en) 1997-07-25 2001-06-19 Rytec Corporation Roll-up overhead door for sanitary applications
CN108104703A (en) * 2017-12-14 2018-06-01 无锡日兆节能科技有限公司 A kind of shading integrated door and window roller shutter box

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7515217U (en) * 1975-11-20 Deutsche Semperit Gmbh Shutter box
DE6807539U (en) * 1968-09-06 1969-03-27 Diplomingenieur Paul Emler SHUTTER BOX AS PRE-FABRICATED ELEMENT
DE6910757U (en) * 1969-03-17 1969-06-19 Hans Grellner SHUTTER BOX
DE6949618U (en) * 1969-12-11 1970-04-09 Peter Piputa ROLLER SHUTTER BOX AS PRE-FABRICATED COMPONENT.

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Publication number Publication date
EP0057293A1 (en) 1982-08-11
DE3167750D1 (en) 1985-01-24
ATE10774T1 (en) 1984-12-15

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