EP0169771A1 - Double pane window frame with an inside tubular screen and method of making such a screen - Google Patents

Double pane window frame with an inside tubular screen and method of making such a screen Download PDF

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Publication number
EP0169771A1
EP0169771A1 EP85401396A EP85401396A EP0169771A1 EP 0169771 A1 EP0169771 A1 EP 0169771A1 EP 85401396 A EP85401396 A EP 85401396A EP 85401396 A EP85401396 A EP 85401396A EP 0169771 A1 EP0169771 A1 EP 0169771A1
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EP
European Patent Office
Prior art keywords
blind
strips
strip
blades
chassis according
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.)
Ceased
Application number
EP85401396A
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German (de)
French (fr)
Inventor
Pierre Delaroche
Paul Depondt
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Individual
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Individual
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Publication date
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Publication of EP0169771A1 publication Critical patent/EP0169771A1/en
Ceased legal-status Critical Current

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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
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/262—Lamellar or like blinds, e.g. venetian blinds with flexibly-interconnected horizontal or vertical strips; Concertina blinds, i.e. upwardly folding flexible screens
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/264—Combinations of lamellar blinds with roller shutters, screen windows, windows, or double panes; Lamellar blinds with special devices
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/262—Lamellar or like blinds, e.g. venetian blinds with flexibly-interconnected horizontal or vertical strips; Concertina blinds, i.e. upwardly folding flexible screens
    • E06B2009/2627—Cellular screens, e.g. box or honeycomb-like

Definitions

  • the subject of the invention is a double-glazed frame intended to separate an exterior environment from an interior environment comprising an interior blind of the tubular type, the design of which considerably improves the coefficient of thermal insulation and also makes it possible to cancel easily any unpleasant effect of cold wall, which usually produces any glazed surface even with double glazing.
  • the tubular blind is a blind which, due to its construction, has a succession of elongated volumes extending parallel between the two panes of a frame. These volumes can follow one another in a vertical direction, when the blind is in use, in a single row in a horizontal direction; it is also possible that the blind comprises in horizontal direction several rows of contiguous tubular volumes which follow one another, also joined, in vertical direction.
  • Document US-A-4 307 768 provides a complete description of a blind of this type produced using strips joined by an adhesive.
  • a break in the continuity of the metal layer between the opposite edges of these bands which are located d on the one hand on the side of the external environment, on the other hand on the side of the internal environment separated by the chassis; this break in continuity exists over the entire length of each strip.
  • this break in continuity in the middle part of each strip, in the direction of its width.
  • this middle part is a zone of adhesion of each of the bands which limit a tubular volume with one of the bands which limit the tubular volume immediately higher or lower in the vertical direction.
  • the break in continuity is confused then with the adhesion zone of the faces which are glued together.
  • the blind comprises several successive tubular volumes in the horizontal direction
  • a sheet of metallized plastic material is used on its two faces by depositing a layer of a reflective metal, generally aluminum; strips of suitable width having the desired length are cut from this sheet, the metal layer is removed on the two faces of the sheet in correspondence with determined areas of adhesion, the strips are then joined together by gluing carried out along areas of bonding in correspondence with the desired configuration of the blind.
  • the above relates to the case where the metal layer previously existing on the plastic sheet is removed from said areas, by an appropriate operation.
  • the invention also encompasses the case where the metal layer is not produced in certain areas, for example by means of a cover or by the use of a protective material which can be easily removed later, when the covering is covered.
  • plastic sheet of the reflective metallic layer In the context of the process defined above, these sheets are used to cut strips therein so as to use as bonding zones at least some of the zones devoid of the metal layer.
  • the coefficient of thermal insulation of a blind according to the invention is significantly improved; for example, it has been found on a double-glazed frame containing a conventional blind with a heat loss coefficient that 0.70 W / m 2 / ° C that this coefficient reaches the value of 0.55 W / m 2 / ° C when the blind is produced in accordance with the invention.
  • any first elongated strip which is electrically insulated from the layer deposited on the opposite face of this strip and from the layers deposited on the bands to which this first band is joined. It has been found that such an electrically insulated layer has, over a width of 23 mm and over a length of 10 cm, an electrical resistance of 10 n.
  • the heat loss is of the order of 40 W.
  • a frame according to the invention it is advantageous to provide at least one pair of elastic blades arranged to come into electrical contact with two contact surfaces of the same strip forming part of a tubular volume of the blind, preferably with the face lower of a strip of the lowest tubular volume, the contact between these blades and said strip being made when the blind is in the lowered position.
  • the elastic blades are part of an electrical circuit extending outside the chassis to be connected to an appropriate source of electric current and also comprising a thermostat connected to a temperature detector fixed, for example, to the interior window. double glazed chassis.
  • This thermostat can cause the circulation of current when the temperature of the interior window drops below a predetermined value, 19 ° C for example.
  • the elastic blades can occupy a fixed position in order to be encountered by the blind when the latter reaches the bottom of its downward stroke. It is also possible to mount the blades on a movable blade holder that can be moved from outside the chassis so that the electrical contact can be created or removed at will when the sore has been lowered.
  • the movable blade holder can be provided with several pairs of contact blades intended to be applied each against a corresponding strip of several tubular volumes of the blind.
  • the tubular volume or volumes which are limited by a strip intended to come into contact with the electric blades contain a rigid load bar which provides better quality electrical contact between the one or more strips and the pair or pairs of electric blades.
  • FIG. 1 shows part of a blind 1 composed of a succession of tubular volumes 2 joined in a vertical direction.
  • Each tubular volume 2 is obtained by means of a first lower strip 3 and a second upper strip 4 which are joined to one another by bonding along bonding zones 5, 6 which extend along of their longitudinal edges over a width of several millimeters.
  • the second upper strip 4 of a tubular volume is bonded by its outer face to the first lower strip 3 'of the immediately higher tubular volume.
  • These bands 4, 3 ′ are joined in a middle zone 7, elongated in the longitudinal direction of these bands, over a width of several millimeters. It is the same from the bottom to the top of the blind.
  • the strips 3,4,3 'etc. are flat and pressed against each other.
  • the strips 3,4,3 'deviate outside the adhesion zones 5,6,7 etc. and the tubular volumes 2 appear.
  • the strips 3,4,3 'etc ... are in contact with each other only by the adhesion zones 5,6,7 ...
  • the strips 3,4,3' etc ... are obtained from metallized plastic sheets on their two opposite faces.
  • the metallization layer-8 has a low thickness (50 microns for example), but it is continuous, in a conventional blind, so that it establishes a continuity of thermal conductivity between the longitudinal edges of the adhesion zones 5 (assumed in FIG. 1 to be on the I side of the interior medium) and the opposite longitudinal edges of the adhesion zones 6 (assumed in FIG. 1 to be on the E side of the external medium), on the two faces of the strips 3,4,3 '...
  • the strips 3,4,3 '... which make up a blind have no metallic layer 8 in the bonding zones 5, 6, 7, on the side of the sheet where the adhesion is effectively carried out, but also on the opposite side, in other words on the two opposite faces of the sheet or of the strip, over a width and a length equal at least to those of bonding zones which are several millimeters wide, even on the longitudinal edges.
  • FIG. 4 shows a blind according to the invention which has several tubular volumes 2A, 2B, 2C, 2D, in horizontal direction and in vertical direction, when the blind is used; these volumes are obtained by bonding strips in bonding zones 5, 5 ′, 6, 7 where there is each time a break in continuity on the two faces of the strip as explained above.
  • FIG. 1 shows a blind of the same kind as that of FIG. 1, with a single row of tubular volumes 2 joined in vertical direction; the metal layer does not appear, but it has been removed, as in the awning in FIG. 1, before bonding along the bonding zones 5,6,7.
  • each tubular volume 2 has, in cross section, a more rectangular configuration than in the example of FIG. 1.
  • the lowest tubular volume contains a load bar g , with rectan profile corresponding gular, preferably made of non-conductive material of heat and electricity; of course, the lowest band of the blind also has a zone 10 for breaking the continuity of the metal layer, on its two opposite faces, although there is no bonding zone there.
  • a metal coating 8 which extends over the entire length of this strip and only between the zone 10 of break in continuity and the zone 5 of bonding to the strip which follows.
  • This blind is contained between two panes 11,12 supposed to be the first on the outside side E, the second on the inside side I.
  • the frame (which is not shown completely) comprises a lower cross member 13 of electrically insulating material.
  • a housing In the inner face of this cross member 13 is provided a housing in which can partially penetrate the lower bar of the blind stiffened by the load strip 9.
  • two elastic blades 15, 16 of electrical contact which are joined respectively, through the thickness of the crosspiece 13, by two conductors 17,18 to an electrical circuit comprising a thermostat 19 having a temperature detector 20 fixed to the interior glass 12.
  • This circuit is connected to a source of direct current at 24 V.
  • the two electric blades 15,16 are spaced a distance substantially equal to the width of the blind so as to circulate in the metal layer 8, under the control of the thermostat 19, an electric current capable of producing a heating inside the glass frame canceling the cold wall effect, as explained above.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Blinds (AREA)

Abstract

Entre les bords longitudinaux opposés (5, 6) situés du côté de l'extérieur (E) et de l'intérieur (I) il existe, de préférence, dans la zone d'adhérence (7) des bandes qui limitent des volumes tubulaires (2), une rupture de la continuité de la couche métallique (8) qui recouvre ces bandes, de sorte que la conductibilité thermique est interrompue et que l'on peut utiliser des lames élastiques (15) pour faire circuler à la surface de la bande inférieure un courant électrique de réchauffement.Between the opposite longitudinal edges (5, 6) located on the outside (E) and inside (I) side, there are preferably in the adhesion zone (7) strips which limit tubular volumes (2), a break in the continuity of the metal layer (8) which covers these bands, so that the thermal conductivity is interrupted and that elastic blades (15) can be used to circulate on the surface of the lower band an electric warming current.

Description

L'invention a pour objet un chassis à double vitrage destiné à séparer un milieu extérieur-d'un milieu intérieur comprenant un store intérieur du type tubulaire dont la conception améliore notablement le coefficient d'isolation thermique et permet, en outre, d'annuler facilement tout effet désagréable de paroi froide, que produit habituellement toute surface vitrée même à double vitrage.The subject of the invention is a double-glazed frame intended to separate an exterior environment from an interior environment comprising an interior blind of the tubular type, the design of which considerably improves the coefficient of thermal insulation and also makes it possible to cancel easily any unpleasant effect of cold wall, which usually produces any glazed surface even with double glazing.

Le store tubulaire est un store qui présente, du fait de sa construction, une succession de volumes allongés s'étendant parallèlement entre les deux vitres d'un chassis. Ces volumes peuvent se succéder en sens vertical, quand le store est en état d'utilisation, sur un seul rang en sens horizontal ; il est possible aussi que le store comprenne en sens horizontal plusieurs rangs de volumes tubulaires accolés qui se succèdent, également accolés, en sens vertical. On trouvera dans le document US-A-4 307 768 une description complète d'un store de ce type réalisé à l'aide de bandes réunies par un adhésif.The tubular blind is a blind which, due to its construction, has a succession of elongated volumes extending parallel between the two panes of a frame. These volumes can follow one another in a vertical direction, when the blind is in use, in a single row in a horizontal direction; it is also possible that the blind comprises in horizontal direction several rows of contiguous tubular volumes which follow one another, also joined, in vertical direction. Document US-A-4 307 768 provides a complete description of a blind of this type produced using strips joined by an adhesive.

Il est connu aussi de se servir de bandes en matière plastique recouvertes d'une couche de métal pulvérisé.It is also known to use plastic strips covered with a layer of sprayed metal.

Selon une caractéristique importante d'un store conforme à l'invention, il existe sur chacune des faces de chacune des bandes qui constitue le store, une rupture de la continuité de la couche métallique entre les bords opposés de ces bandes, qui sont situés d'une part du côté du milieu extérieur, d'autre part du côté du milieu intérieur séparés parlechassis ; cette rupture de la continuité existe sur toute la longueur de chaque bande.According to an important characteristic of a blind according to the invention, there is on each of the faces of each of the bands which constitutes the blind, a break in the continuity of the metal layer between the opposite edges of these bands, which are located d on the one hand on the side of the external environment, on the other hand on the side of the internal environment separated by the chassis; this break in continuity exists over the entire length of each strip.

Il est préférable de prévoir cette rupture de la continuité dans la partie médiane de chaque bande, dans le sens de sa largeur. En général, dans cette partie médiane se trouve une zone d'adhérence de chacune des bandes qui limitent un volume tubulaire avec l'une des bandes qui limitent le volume tubulaire immédiatement supérieur ou inférieur en sens vertical. La rupture de la continuité est confondue alors avec la zone d'adhérence des faces qui sont collées ensemble.It is preferable to provide for this break in continuity in the middle part of each strip, in the direction of its width. In general, in this middle part is a zone of adhesion of each of the bands which limit a tubular volume with one of the bands which limit the tubular volume immediately higher or lower in the vertical direction. The break in continuity is confused then with the adhesion zone of the faces which are glued together.

Quand le store comprend plusieurs volumes tubulaires successifs en sens horizontal, selon un mode de réalisation préféré de l'invention, il-est prévu une rupture de la continuité à chacune des zones d'adhérence qui sont espacées dans le sens transversal du store ; cette rupture est réalisée non seulement sur les faces des bandes qui adhèrent entre elles, mais aussi sur les faces opposées en correspondance avec les zones de collage.When the blind comprises several successive tubular volumes in the horizontal direction, according to a preferred embodiment of the invention, provision is made for a break in the continuity at each of the adhesion zones which are spaced in the transverse direction of the blind; this rupture is carried out not only on the faces of the strips which adhere to one another, but also on the opposite faces in correspondence with the bonding zones.

Selon le procédé de l'invention pour fabriquer un tel store tubulaire, on utilise une feuille de matière plastique métallisée sur ses deux faces par un dépôt d'une couche d'un métal réfléchissant, en général de l'aluminium ; on découpe dans cette feuille des bandes de largeur convenable ayant la longueur désirée, on élimine la couche métallique sur les deux faces de la feuille en correspondance avec des zones déterminées d'adhérence, on réunit ensuite les bandes par collage effectué le long de zones de collage en correspondance avec la configuration désirée du store.According to the method of the invention for manufacturing such a tubular blind, a sheet of metallized plastic material is used on its two faces by depositing a layer of a reflective metal, generally aluminum; strips of suitable width having the desired length are cut from this sheet, the metal layer is removed on the two faces of the sheet in correspondence with determined areas of adhesion, the strips are then joined together by gluing carried out along areas of bonding in correspondence with the desired configuration of the blind.

Ce qui précède se rapporte au cas où la couche métallique préalablement existante sur la feuille en matière plastique est éliminée desdites zones, par une opération appropriée.The above relates to the case where the metal layer previously existing on the plastic sheet is removed from said areas, by an appropriate operation.

L'invention englobe aussi le cas où la couche métallique n'est pas réalisée dans certaines zones, par exemple au moyen d'un cache ou par l'emploi d'une matière de protection à élimination facile ultérieurement, au moment où on recouvre la feuille en matière plastique de la couche métallique réfléchissante. Dans le cadre du procédé défini plus haut, on emploie ces feuilles pour y découper des bandes de façon à utiliser comme zones de collage certaines au moins des zones dépourvues de la couche métallique.The invention also encompasses the case where the metal layer is not produced in certain areas, for example by means of a cover or by the use of a protective material which can be easily removed later, when the covering is covered. plastic sheet of the reflective metallic layer. In the context of the process defined above, these sheets are used to cut strips therein so as to use as bonding zones at least some of the zones devoid of the metal layer.

Quelle que soit la façon dont elle est réalisée, la rupture de la continuité du revêtement métallique en sens transversal au store est une caractéristique qui se traduit par un résultat inattendu et surprenant : le coefficient d'isolation thermique d'un store conforme à l'invention est notablement amélioré ; par exemple, il a été constaté sur un chassis à double vitrage contenant un store classique ayant un coefficient de déperdition calorifique que 0,70 W/ m2/°C quece coefficient atteint la valeur de 0,55 W/m2/°C quand le store est réalisé conformément à l'invention.Whichever way it is done, breaking the continuity of the metal coating in direction transverse to the blind is a characteristic which results in an unexpected and surprising result: the coefficient of thermal insulation of a blind according to the invention is significantly improved; for example, it has been found on a double-glazed frame containing a conventional blind with a heat loss coefficient that 0.70 W / m 2 / ° C that this coefficient reaches the value of 0.55 W / m 2 / ° C when the blind is produced in accordance with the invention.

En outre, quelle que soit la configuration des volumes tubulaires du store, il existe sur une face d'une première bande allongée quelconque une couche métallique qui est isolée électriquement de la couche déposée sur la face opposée de cette bande et des couches déposées sur les bandes auxquelles cette première bande est réunie. Il a été constaté qu'une telle couche isolée électriquement a, sur une largeur de 23 mm et sur une longueur de 10 cm, une résistance électrique de 10 n.In addition, whatever the configuration of the tubular volumes of the blind, there is on a face of any first elongated strip a metal layer which is electrically insulated from the layer deposited on the opposite face of this strip and from the layers deposited on the bands to which this first band is joined. It has been found that such an electrically insulated layer has, over a width of 23 mm and over a length of 10 cm, an electrical resistance of 10 n.

Pour un chassis à double vitrage contenant un store conforme à l'invention, ayant une surface totale de 2,50 m 2 (par exemple une hauteur de 2,50 m avec une largeur de 1 m), avec une différence de température de 30°C environ d'un côté et de l'autre de ce chassis, la perte de chaleur est de l'ordre de 40 W. En faisant circuler un courant électrique dans la couche métallique d'une seule bande, sur une longueur de 10-15 cm et à une tension de 24 V par exemple, on obtient facilement la dissipation d'une puissance électrique de 40 W à l'intérieur du chassis à double vitrage. On annule donc ainsi la perte qui se produirait à travers ce dernier et on fait disparaître l'effet de paroi froide qui en résulterait.For a double glazed window frame containing a blind according to the invention, having a total surface of 2.50 m 2 (for example a height of 2.50 m with a width of 1 m), with a temperature difference of 30 ° C approximately on one side and the other of this chassis, the heat loss is of the order of 40 W. By circulating an electric current in the metallic layer of a single strip, over a length of 10 -15 cm and at a voltage of 24 V for example, it is easy to obtain the dissipation of an electrical power of 40 W inside the frame with double glazing. We thus cancel the loss that would occur through the latter and we remove the cold wall effect that would result.

Dans un chassis conforme à l'invention, il est avantageux de prévoir au moins une paire de lames élastiques disposées pour venir en contact électrique avec deux surfaces de contact d'une même bande faisant partie d'un volume tubulaire du store, de préférence avec la face inférieure d'une bande du volume tubulaire le plus inférieur, le contact entre ces lames et ladite bande se faisant quand le store est en position abaissée.In a frame according to the invention, it is advantageous to provide at least one pair of elastic blades arranged to come into electrical contact with two contact surfaces of the same strip forming part of a tubular volume of the blind, preferably with the face lower of a strip of the lowest tubular volume, the contact between these blades and said strip being made when the blind is in the lowered position.

De préférence, les lames élastiques font partie d'un circuit électrique s'étendant en dehors du chassis pour être relié à une source appropriée de courant électrique et comprenant aussi un thermostat relié à un détecteur de température fixé, par exemple, à la vitre intérieure du chassis à double vitrage. Ce thermostat peut provoquer la circulation du courant quand la température de la vitre intérieure devient inférieure à une valeur prédéterminée, 19°C par exemple.Preferably, the elastic blades are part of an electrical circuit extending outside the chassis to be connected to an appropriate source of electric current and also comprising a thermostat connected to a temperature detector fixed, for example, to the interior window. double glazed chassis. This thermostat can cause the circulation of current when the temperature of the interior window drops below a predetermined value, 19 ° C for example.

Les lames élastiques peuvent occuper une position fixe afin d'être rencontrées par le store quand celui-ci parvient en bas de sa course de descente. Il est possible aussi de monter les lames sur un porte-lames mobile déplaçable à partir de l'extérieur du chassis pour que l'on puisse créer ou supprimer le contact électrique à volonté quand le sore a été abaissé. Dans ce cas, le porte-lames mobile peut- être pourvu de plusieurs paires de lames de contact destinées à venir s'appliquer chacune contre une bande correspondante de plusieurs volumes tubulaires du store.The elastic blades can occupy a fixed position in order to be encountered by the blind when the latter reaches the bottom of its downward stroke. It is also possible to mount the blades on a movable blade holder that can be moved from outside the chassis so that the electrical contact can be created or removed at will when the sore has been lowered. In this case, the movable blade holder can be provided with several pairs of contact blades intended to be applied each against a corresponding strip of several tubular volumes of the blind.

Dans un mode de réalisation préféré de l'invention, le ou les volumes tubulaires qui sont limités par une bande destinée à venir en contact avec les lames électriques, contiennent une barre de charge rigide qui assure un contact électrique de meilleure qualité entre la ou les bandes et la paire ou les paires de lames électriques.In a preferred embodiment of the invention, the tubular volume or volumes which are limited by a strip intended to come into contact with the electric blades, contain a rigid load bar which provides better quality electrical contact between the one or more strips and the pair or pairs of electric blades.

On donnera maintenant, sans intention limitative et sans exclure aucune variante, une description d'un exemple de réalisation. On se reportera au dessin annexé dans lequel :

  • - la figure 1 est une vue partielle agrandie en coupe par un plan transversal d'une partie d'un store conforme à l'invention,
  • - la figure 2 est une vue en coupe par un plan transversal de la partie inférieure d'un chassis à double vitrage contenant un store selon l'invention avec une paire de lames électriques,
  • - la figure 3 est une vue partielle selon F du chassis de la figure 2 montrant les deux lames électriques et le schéma du circuit électrique,
  • - la figure 4 est une vue schématique partielle d'un store à plusieurs volumes tubulaires successifs en sens horizontal.
We will now give, without limiting intention and without excluding any variant, a description of an exemplary embodiment. Reference is made to the appended drawing in which:
  • FIG. 1 is a partial enlarged view in section through a transverse plane of part of a blind according to the invention,
  • FIG. 2 is a sectional view through a transverse plane of the lower part of a double-glazed frame containing a blind according to the invention with a pair of electric blades,
  • FIG. 3 is a partial view along F of the chassis of FIG. 2 showing the two electric blades and the diagram of the electric circuit,
  • - Figure 4 is a partial schematic view of a blind with several successive tubular volumes in the horizontal direction.

La figure 1 montre une partie d'un store 1 composé d'une succession de volumes tubulaires 2 accolés en sens vertical. Chaque volume tubulaire 2 est obtenu au moyen d'une première bande inférieure 3 et d'une seconde bande supérieure 4 qui sont réunies l'une à l'autre par collage le long de zones de collage 5,6 qui s'étendent le long de leurs bords longitudinaux sur une largeur de plusieurs millimètres. La seconde bande supérieure 4 d'un volume tubulaire est collée par sa face extérieure à la première bande inférieure 3' du volume tubulaire immédiatement supérieur. La réunion de ces bandes 4, 3' est faite dans une zone médiane 7, allongée dans le sens longitudinal de ces bandes, sur une largeur de plusieurs millimètres. Il en est de même du bas jusqu'en haut du store.Figure 1 shows part of a blind 1 composed of a succession of tubular volumes 2 joined in a vertical direction. Each tubular volume 2 is obtained by means of a first lower strip 3 and a second upper strip 4 which are joined to one another by bonding along bonding zones 5, 6 which extend along of their longitudinal edges over a width of several millimeters. The second upper strip 4 of a tubular volume is bonded by its outer face to the first lower strip 3 'of the immediately higher tubular volume. These bands 4, 3 ′ are joined in a middle zone 7, elongated in the longitudinal direction of these bands, over a width of several millimeters. It is the same from the bottom to the top of the blind.

Quand le store est relevé, les bandes successives 3,4,3' etc.. sont à plat et serrées les unes contre les autres. Quand le store est en position d'utilisation, sous l'effet du poids, les bandes 3,4,3' s'écartent en dehors des zones d'adhérence 5,6,7 etc.. et les volumes tubulaires 2 apparaissent. Dans cet état déployé du store, les bandes 3,4,3' etc... sont en contact les unes avec les autres uniquement par les zones d'adhérence 5,6,7... Les bandes 3,4,3' etc... sont obtenues à partir de feuilles en matière plastique métallisées sur leurs deux faces opposées. La couche de métallisation-8 a une épaisseur faible (50 microns par exemple), mais elle est continue, dans un store classique, de sorte qu'elle établit une continuité de conductibilité thermique entre les bords longitudinaux des zones d'adhérence 5 (supposés sur la figure l être du côté I du milieu intérieur) et les bords longitudinaux opposés des zones d'adhérence 6 (supposés sur la figure 1 être du côté E du milieu extérieur), sur les deux faces des bandes 3,4,3'...When the blind is raised, the successive strips 3,4,3 'etc. are flat and pressed against each other. When the awning is in the position of use, under the effect of the weight, the strips 3,4,3 'deviate outside the adhesion zones 5,6,7 etc. and the tubular volumes 2 appear. In this deployed state of the awning, the strips 3,4,3 'etc ... are in contact with each other only by the adhesion zones 5,6,7 ... The strips 3,4,3' etc ... are obtained from metallized plastic sheets on their two opposite faces. The metallization layer-8 has a low thickness (50 microns for example), but it is continuous, in a conventional blind, so that it establishes a continuity of thermal conductivity between the longitudinal edges of the adhesion zones 5 (assumed in FIG. 1 to be on the I side of the interior medium) and the opposite longitudinal edges of the adhesion zones 6 (assumed in FIG. 1 to be on the E side of the external medium), on the two faces of the strips 3,4,3 '...

Selon l'invention, les bandes 3,4,3'... qui composent un store sont dépourvues de couche métallique 8 dans les zones de collage 5,6,7, du côté de la feuille où se réalise effectivement l'adhérence, mais aussi sur le côté opposé, autrement dit sur les deux faces opposées de la feuille ou de la bande, sur une largeur et une longueur égales au moins à celles de zones de collage qui ont plusieurs millimètres de large, même sur les bords longitudinaux.According to the invention, the strips 3,4,3 '... which make up a blind have no metallic layer 8 in the bonding zones 5, 6, 7, on the side of the sheet where the adhesion is effectively carried out, but also on the opposite side, in other words on the two opposite faces of the sheet or of the strip, over a width and a length equal at least to those of bonding zones which are several millimeters wide, even on the longitudinal edges.

La figure 4 montre un store conforme à l'invention qui présente plusieurs volumes tubulaires 2A, 2B, 2C, 2D, en sens horizontal et en sens vertical, quand le store est utilisé ; ces volumes sont obtenues par collage de bandes dans des zones de collage 5, 5', 6, 7 où il existe à chaque fois, une rupture de la continuité sur les deux faces de la bande comme expliqué plus haut.FIG. 4 shows a blind according to the invention which has several tubular volumes 2A, 2B, 2C, 2D, in horizontal direction and in vertical direction, when the blind is used; these volumes are obtained by bonding strips in bonding zones 5, 5 ′, 6, 7 where there is each time a break in continuity on the two faces of the strip as explained above.

Sur la figure 1, la couche métallique 8 a été fortement grossie. La figure 2 montre un store du même genre que celui de la figure 1, à une seule rangée de volumes tubulaires 2 accolés en sens vertical ; la couche métallique n'apparaît pas, mais elle a été supprimée, comme sur le store de la figure 1, avant collage le long des zones de collage 5,6,7.In FIG. 1, the metal layer 8 has been greatly enlarged. FIG. 2 shows a blind of the same kind as that of FIG. 1, with a single row of tubular volumes 2 joined in vertical direction; the metal layer does not appear, but it has been removed, as in the awning in FIG. 1, before bonding along the bonding zones 5,6,7.

Dans cet exemple, chaque volume tubulaire 2 a, en section droite, une configuration plus rectangulaire que dans l'exemple de la figure 1. Le volume tubulaire le plus inférieur contient une barre de charge g, à profil rectangulaire correspondant, de préférence en matière non conductrice de la chaleur et de l'électricité ; bien entendu, la bande la plus inférieure du store présente aussi une zone 10 de rupture de la continuité de la couche métallique, sur ses deux faces opposées, bien qu'il ne s'y trouve pas de zone de collage. Il existe donc sur cette bande la plus inférieure, un revêtement métallique 8 qui s'étend sur toute la longueur de cette bande et seulement entre la zone 10 de rupture de la continuité et la zone 5 de collage à la bande qui suit.In this example, each tubular volume 2 has, in cross section, a more rectangular configuration than in the example of FIG. 1. The lowest tubular volume contains a load bar g , with rectan profile corresponding gular, preferably made of non-conductive material of heat and electricity; of course, the lowest band of the blind also has a zone 10 for breaking the continuity of the metal layer, on its two opposite faces, although there is no bonding zone there. There is therefore on this lowest strip, a metal coating 8 which extends over the entire length of this strip and only between the zone 10 of break in continuity and the zone 5 of bonding to the strip which follows.

Ce store est contenu entre deux vitrages 11,12 supposés se trouver le premier du côté de l'extérieur E, le second du côté de l'intérieur I. Entre les deux vitrages, le chassis (qui n'est pas représenté complètement) comprend une traverse inférieure 13 en matière isolante électriquement. Dans la face intérieure de cette traverse 13 est ménagé un logement dans lequel peut pénétrer partiellement la barre la plus inférieure du store rigidifiée par la bande de charge 9. Dans ce logement, sont en saillie deux lames élastiques 15,16 de contact électriques qui sont réunies respectivement, à travers l'épaisseur de la traverse 13, par deux conducteurs 17,18 à un circuit électrique comprenant un thermostat 19 ayant un détecteur de température 20 fixé à la vitre intérieure 12. Ce circuit est relié à une source de courant continu à 24 V. Les deux lames électriques 15,16 sont espacées d'une distance sensiblement égale à la largeur du store de façon à faire circuler dans la couche métallique 8, sous la commande du thermostat 19, un courant électrique capable de produire un réchauffement intérieur du chassis vitré annulant l'effet de paroi froide, comme expliqué plus haut.This blind is contained between two panes 11,12 supposed to be the first on the outside side E, the second on the inside side I. Between the two panes, the frame (which is not shown completely) comprises a lower cross member 13 of electrically insulating material. In the inner face of this cross member 13 is provided a housing in which can partially penetrate the lower bar of the blind stiffened by the load strip 9. In this housing, project two elastic blades 15, 16 of electrical contact which are joined respectively, through the thickness of the crosspiece 13, by two conductors 17,18 to an electrical circuit comprising a thermostat 19 having a temperature detector 20 fixed to the interior glass 12. This circuit is connected to a source of direct current at 24 V. The two electric blades 15,16 are spaced a distance substantially equal to the width of the blind so as to circulate in the metal layer 8, under the control of the thermostat 19, an electric current capable of producing a heating inside the glass frame canceling the cold wall effect, as explained above.

On remarquera qu'il serait facile de monter les lames électriques 15,16 sur une tringle isolante mobile déplaçable par un moyen de manoeuvre passant à travers l'épaisseur de la traverse 13. Ainsi, on pourrait mettre ces lames 15, 16 en contact ou non, à volonté,-avec le store,It will be noted that it would be easy to mount the electric blades 15, 16 on a movable insulating rod displaceable by an operating means passing through the thickness of the cross-member 13. Thus, these blades 15, 16 could be brought into contact or no, at will, -with the blind,

Claims (10)

1. Chassis à double vitrage se montant entre un milieu extérieur (E) et un milieu intérieur (I) contenant un store intérieur du type à succession de volumes tubulaires allongés (12) s'étendant parallèlement entre les deux vitres (11,12) sur une rangée au moins en sens vertical, chaque volume étant limité par des bandes de largeur convenable, en matière plastique recouverte sur ses deux faces d'une couche métallique (8), caractérisé en ce qu'il existe sur chacune des faces de chacune des bandes (3,4) qui limitent le store, une rupture de la continuité de la couche métallique (8) entre les bords opposés de ces bandes situés du côté du volume extérieur (E) et du côté du volume intérieur (I).1. Frame with double glazing mounted between an external medium (E) and an internal medium (I) containing an internal blind of the type with a succession of elongated tubular volumes (12) extending parallel between the two panes (11,12) in a row at least vertically, each volume being limited by strips of suitable width, made of plastic material covered on its two faces with a metallic layer (8), characterized in that there exists on each of the faces of each bands (3,4) which limit the blind, a break in the continuity of the metal layer (8) between the opposite edges of these bands located on the side of the external volume (E) and on the side of the internal volume (I). 2. Chassis selon la revendication 1, caractérisé en ce que sur chaque face de chaque bande, la rupture de la continuité se trouve dans la zone médiane (10) de chaque bande (3,4) dans le sens de sa largeur.2. Chassis according to claim 1, characterized in that on each face of each strip, the break in continuity is located in the middle zone (10) of each strip (3,4) in the direction of its width. 3. Chassis selon la revendication 1, caractérisé en ce que le store est composé de bandes individuelles (3,4,3') découpées dans des feuilles de matière plastique métallisée et réunies les unes aux autres le long de zones d'adhérence longitudinales (5,6,7), une rupture de la continuité étant prévue à chaque zone d'adhérence sur les deux faces de chaque bande (3,4,3').3. Chassis according to claim 1, characterized in that the blind is composed of individual strips (3,4,3 ') cut from sheets of metallized plastic and joined together along longitudinal adhesion zones ( 5,6,7), a break in continuity being provided at each adhesion zone on the two faces of each strip (3,4,3 '). 4. Chassis selon la revendication 3, caractérisé en ce que les bandes sont réunies le long de leurs bords longitudinaux (5) par des zones d'adhérence de plusieurs millimètres de large et la couche métallique est supprimée sur les deux faces des bandes au moins sur la largeur de ces zones d'adhérence.4. Chassis according to claim 3, characterized in that the strips are joined along their longitudinal edges (5) by adhesion zones several millimeters wide and the metal layer is removed on at least the two sides of the strips across the width of these adhesion zones. 5. Chassis selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'il comprend au moins une paire de lames élastiques (15,16) de contact électrique espacées dans le sens-longitudinal du store, disposées pour être mises en contact avec une face métallisée d'une bande du store, de préférence la face inférieure d'une bande limitant le volume tubulaire (2) le plus inférieur, quand le store est en position d'utilisation, ces lames (15,16) faisant partie d'un circuit électrique à basse tension.5. Chassis according to any one of claims 1 to 4, characterized in that it comprises at least one pair of elastic blades (15,16) of electrical contact spaced in the longitudinal direction of the blind, arranged to be brought into contact with a metallized face of a strip of the blind, preferably the lower face of a strip limiting the tubular volume (2) the lowest, when the blind is in the position of use, these blades (15 , 16) forming part of a low voltage electrical circuit. 6. Chassis selon la revendication 5, caractérisé en ce que les lames (15,16) de contact électrique sont disposées du côté du milieu intérieur (I) pour venir en contact avec une face métallisée située aussi de ce même côté.6. Chassis according to claim 5, characterized in that the blades (15,16) of electrical contact are arranged on the side of the interior medium (I) to come into contact with a metallized face also located on this same side. 7. Chassis selon la revendication 5, caractérisé en ce que le circuit électrique comprend un thermostat (19) avec un détecteur de température, fixé à la vitre (12) située du côté du milieu intérieur (I).7. Chassis according to claim 5, characterized in that the electric circuit comprises a thermostat (19) with a temperature detector, fixed to the window (12) located on the side of the interior medium (I). 8. Chassis métallique selon la revendication 5, caractérisé en ce que les lames (15,16) de contact électrique sont mobiles et déplaçables de l'extérieur du chassis pour être mises ou non en contact avec le store quand celui-ci est abaissé.8. Metal frame according to claim 5, characterized in that the blades (15,16) of electrical contact are movable and displaceable from the outside of the frame to be brought into contact or not with the blind when the latter is lowered. 9. Chassis métallique selon la revendication 5, caractérisé en ce que le volume tubulaire (2) le plus inférieur contient une barre de charge (9) en matière isolante électriquement et le chassis comprend une traverse inférieure (13) dans laquelle est ménagé un logement (10) dans lequel s'étendent partiellement les lames élastiques (15, 16) de contact électrique et dans lequel descend partiellement le volume tubulaire (2) le plus inférieur quand le store est abaissé.9. Metal chassis according to claim 5, characterized in that the lower tubular volume (2) contains a load bar (9) made of electrically insulating material and the chassis comprises a lower crosspiece (13) in which is housed a housing (10) in which partially extend the elastic blades (15, 16) of electrical contact and in which partially descends the tubular volume (2) lowest when the blind is lowered. 10. Procédé de fabrication d'un store intérieur faisant partie d'un chassis à double vitrage selon l'une quelconque des revendications 1 à 9, caractérisé en ce qu'on utilise une feuille de matière plastique métallisée par une couche métallique mince sur ses deux faces opposées, on découpe dans ces feuilles des bandes'de largeur convenable ayant la longueur désirée, on élimine la couche métallique sur les deux faces de la feuille, en correspondance avec des zones prédéterminées d'adhérence, on réunit ensuite les bandes par collage effectué le long de zones de collage en correspondance avec la configuration désirée du store.10. A method of manufacturing an interior blind forming part of a double-glazed frame according to any one of claims 1 to 9, characterized in that a sheet of plastic material metallized by a thin metallic layer on its two opposite sides, strips of suitable width are cut from these sheets ble having the desired length, the metal layer is removed on both sides of the sheet, in correspondence with predetermined areas of adhesion, then the strips are joined together by bonding carried out along bonding zones in correspondence with the desired configuration of the store.
EP85401396A 1984-07-10 1985-07-09 Double pane window frame with an inside tubular screen and method of making such a screen Ceased EP0169771A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8410956A FR2567566B1 (en) 1984-07-10 1984-07-10 DOUBLE-GLAZED CHASSIS WITH IMPROVED INTERIOR TUBULAR BLIND AND METHOD FOR MANUFACTURING THE BLIND
FR8410956 1984-07-10

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FR2567566A1 (en) 1986-01-17
FR2567566B1 (en) 1986-12-26

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