EP3049603B1 - Entretoise d'écartement des vitres d'une fenêtre à vitrage multiple, fenêtre à vitrage multiple, film pare-vapeur pour une entretoise, procédé de fabrication d'un film pare-vapeur, ainsi que procédé de fabrication d'une entretoise - Google Patents

Entretoise d'écartement des vitres d'une fenêtre à vitrage multiple, fenêtre à vitrage multiple, film pare-vapeur pour une entretoise, procédé de fabrication d'un film pare-vapeur, ainsi que procédé de fabrication d'une entretoise Download PDF

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Publication number
EP3049603B1
EP3049603B1 EP13774375.3A EP13774375A EP3049603B1 EP 3049603 B1 EP3049603 B1 EP 3049603B1 EP 13774375 A EP13774375 A EP 13774375A EP 3049603 B1 EP3049603 B1 EP 3049603B1
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EP
European Patent Office
Prior art keywords
spacer
barrier film
layer
vapour barrier
film
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.)
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Application number
EP13774375.3A
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German (de)
English (en)
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EP3049603A1 (fr
Inventor
Hans Rudolf Mäder
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.)
Alu Pro SRL
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Alu Pro SRL
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Publication date
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Publication of EP3049603A1 publication Critical patent/EP3049603A1/fr
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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
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together

Definitions

  • the invention relates to a spacer for spacing glass panes of a multiple-glazed window, a multiple-glazed window, a vapor barrier film for a spacer, a method for producing a vapor barrier film and a method for producing a spacer according to the features of the preambles of the independent claims.
  • Multi-glazed windows are colloquially also called multi-pane insulating glass. This type of glazing is primarily used for thermal insulation, i.e. preventing heat loss to a cold environment or preventing the interior from being heated by a relatively warmer environment.
  • Multiple-glazed windows usually consist of at least two glass panes arranged in parallel, which are spaced apart by a spacer. This creates a space between the panes of glass which, when filled with air or gas, forms an insulation layer.
  • spacers are provided with a cavity which contains desiccant for drying the gas enclosed in the space between the panes.
  • the spacers are usually designed so that they prevent the diffusion of water vapor from outside the space between the panes into the space between the panes and at the same time ensure the gas and water vapor exchange between the atmosphere of the space between the panes and the drying agent.
  • the air spaces are usually filled with noble gases, primarily argon, to improve insulation.
  • a spacer which has a desiccant incorporated into a plastic matrix.
  • the spacer also has a vapor barrier to prevent water vapor diffusion.
  • the vapor barrier is welded to the base of the spacer.
  • a spacer which has an insert made of a multilayer composite film.
  • the insert is introduced into the outer layer of the base body and thus leaves diffusion gaps open between the base body of the spacer and the sealing material. The water vapor diffusion cannot therefore be optimally prevented.
  • a spacer for a multiple-glazed window which comprises a layer of ethylene vinylol alcohol to increase the sealing properties.
  • the layer of ethylene vinylol alcohol is attached facing the interior so that water vapor can continue to diffuse outside this layer. Optimal sealing properties cannot therefore be achieved.
  • this object is achieved with a spacer, a multiple-glazed window, a vapor barrier film, a method for producing a vapor barrier film and a method for producing a spacer with the features of the characterizing part of the independent claims.
  • a spacer for spacing glass panes of a multiple-glazed window which comprises the following components: A base body which comprises an outside, an inside that can be directed towards the space between the glass panes and two end faces for receiving a glass pane. Furthermore, the spacer comprises a vapor barrier film which is applied to the base body, the base body including a drying agent. The vapor barrier film surrounds the base body on the outside and, according to the invention, at least partially on the end faces.
  • the spacer preferably consists of the components mentioned.
  • Such an arrangement of the vapor barrier film leads to an optimized primer for an adhesive tape or for a primary seal for fastening the spacer to the glass panes and at the same time to a reduction in diffusion gaps on the sides of the spacer.
  • the vapor barrier film is applied to the outer contour of the spacer and thus forms the outer layer of the spacer after application.
  • the Vapor barrier film covered by no other layers with the exception of an adhesive tape.
  • the base body of the spacer is preferably made as in FIG WO2012 / 140005 described.
  • the base body can also be a rigid base body, for example an olefin-like material, into which drying granules can be poured.
  • An embodiment according to WO2012 / 140005 has the advantage that, depending on the degree of foaming, the material costs are reduced and the heat conduction of the spacer is also smaller; However, it is possible that the extrusion tolerances are greater than with non-foamed profiles. This geometric disadvantage can largely be eliminated by using vapor barrier films.
  • the arrangement of the vapor barrier film on three sides of the spacer has the advantage that the efficient profile dimensional accuracy in the profile width through the profile film protection can easily be used by a calibration tool. Any foaming volume tolerances are compensated in the processing technology-uncritical profile height.
  • the end faces of the spacer can have a step (so-called butyl edge) and the vapor barrier film can surround the spacer at the end faces essentially at least up to the step.
  • a step on the end faces means that the distance between the respective opposite end faces changes.
  • the distance between the end faces on the outside of the spacer is smaller than the distance between the end faces in the direction of the inside of the spacer.
  • the step makes it easier to attach a primary seal when installing the multiple-glazed window.
  • the vapor barrier film is also an optimal primer for a primary seal and thus enables a long service life of the multi-glazed window and prevents the diffusion of water vapor.
  • the vapor barrier film can, however, preferably also essentially completely surround the base body of the spacer at the end faces.
  • a vapor barrier film arranged in this way also provides an optimal primer for an adhesive tape, which is used to fix the spacer when assembling a multiple-glazed window. Furthermore, the diffusion possibilities are essentially eliminated when the end faces are completely covered.
  • An adhesive tape can partially be arranged on the end faces of the base body of the spacer.
  • the adhesive tape is arranged on the vapor barrier film.
  • the adhesive tape enables the spacer to be precisely positioned during assembly to a multi-glazed window.
  • the adhesive tape also acts as a seal with respect to vapor diffusion.
  • the adhesive tape can be an acrylate adhesive tape.
  • the adhesive tape can also be provided with a cover film, which can be peeled off before the spacer is used.
  • a primary seal is arranged on the end faces of the spacer, partly on the vapor barrier film.
  • the primary seal is preferably a butyl seal.
  • Such a primary seal arranged on the vapor barrier film seals the interior space between the glass panes in a diffusion-tight manner and adheres optimally to the vapor barrier film.
  • the vapor barrier film can be a multilayer film and preferably has an outer layer of SiO x that can be directed against the glass panes.
  • the vapor barrier film can also include an inner layer that can be welded to the base body, in particular a layer made of thermoplastic, preferably an oriented polypropylene.
  • the vapor barrier film can be welded onto the base body of the spacer and can thus be easily manufactured and fastened securely and diffusion-tight to the base body.
  • the vapor barrier film can comprise a carrier layer made of polyethylene terephthalate.
  • a polyethylene terephthalate carrier layer leads to a carrier layer with a high tensile force, which prevents the SiO x coating from breaking during the application of the film.
  • the vapor barrier film can comprise a second layer of SiO x .
  • a second SiO x layer acts as a second gas brake protected against mechanical influences. Furthermore, so-called “pinhole” coating defects are practically eliminated. A “pinhole” is a small process-related coating defect.
  • the vapor barrier film can comprise a sealing layer made of ethylene vinyl alcohol.
  • Ethylene vinyl alcohol is particularly gas-tight and therefore effectively prevents gas and water vapor diffusion through the vapor barrier film.
  • the spacer according to the invention preferably has an essentially four-edged shape in profile.
  • the profile cross-section of a spacer according to the invention has an essentially rectangular shape with a first side length, the outside or the inside, of between 6 and 30 mm, and particularly preferably 12 or 16 mm side length.
  • the side length depends in particular on the planned application: for applications for triple glazing, total widths of 6-18mm are typically preferred.
  • the end face preferably has a side length of between 6 to 16 mm, more preferably 6 to 8 mm, particularly preferably 7 mm.
  • a multiple-glazed window with a spacer as described above, continues to achieve the stated object.
  • Such a multiple-glazed window is very durable and has no water vapor condensation in the space between the window panes.
  • the Multiple-glazed windows have a spacer as described above in combination with a primary seal, preferably a butyl seal.
  • the multiple-glazed window can comprise a secondary seal, in particular a secondary seal made of polysulfite, polyurethane, hotmelt or silicone, which adheres to the SiO x layer.
  • Such a sealed multiple-glazed window can be installed in a cost-effective manner and has a long service life.
  • a vapor barrier film for a spacer which is produced in particular by connecting, further in particular gluing, a first film to a second film also leads to the solution of the stated object.
  • the vapor barrier film comprises a first film comprising a polyethylene terephthalate carrier layer and an outer layer made of SiO x .
  • the vapor barrier film furthermore comprises a second film comprising a sealing layer made of ethylene vinyl alcohol and a second layer made of SiO x .
  • the first film and the second film are preferably composed of the materials mentioned.
  • an inner layer made of thermoplastic, preferably oriented polypropylene, is applied to the sealing layer made of ethylene vinylol alcohol.
  • Such a vapor barrier film is inherently stable in adhesion and has a very high film adhesion to the base body. Furthermore, such a vapor barrier film leads to an optimal adhesive base for the sealants or adhesives required to connect the glass panes to the spacer. Furthermore, such a vapor barrier film leads to optimal diffusion prevention.
  • the inner layer is preferably applied as a sealing layer on the composite film.
  • Such a method leads to a reliable connection of the individual film layers and enables the film to be welded onto a spacer without the sealing layers such as the ethylene vinylol alcohol layer or the SiO x layer being destroyed when the vapor barrier film is applied to the spacer. Furthermore, such a vapor barrier film can be produced cost-effectively using such a method.
  • a method for producing a spacer which includes the step of welding on a weldable layer, in particular a thermoplastic layer, a vapor barrier film, preferably as described above, on a spacer.
  • a vapor barrier film welded on in this way is connected to the spacer in a diffusion-tight manner and leads to a long durability of the vapor barrier film on the spacer.
  • a method for producing a multiple-glazed window by connecting, preferably gluing, a spacer as described above to at least one insulating glass pane also leads to the solution of the stated object.
  • a window produced in this way can be produced inexpensively and leads to a high-quality, long-lasting window.
  • FIG. 1 shows a spacer 1 according to the invention in a first embodiment.
  • the spacer 1 has a base body 2 which consists of a polyolefin base material and a desiccant. Such a base body is for example in the WO2012 / 140005 shown.
  • the base body 2 has an outer side 3 which is covered by a vapor barrier film 6.
  • the vapor barrier film 6 also partially surrounds the front sides 5 of the base body 2.
  • the front sides 5 have a step 7 so that a primary seal 9 can easily be introduced between the base body 2 and the window panes (not shown) for assembly.
  • the end faces 5 are also partially covered by an adhesive tape 8.
  • the adhesive tape 8 is an acrylate adhesive tape.
  • the primary seal 9 is a butyl adhesive.
  • the vapor barrier film 6 is a film having a structure as shown in FIG Figure 4 described.
  • FIG. 2 shows a spacer 1 according to the invention in a second embodiment.
  • the spacer 1 has a base body 2 which has an outside 3, an inside 4 and two end faces 5.
  • the inside 4 is not coated, so that an exchange of air between the desiccant contained in the base body 2 and the space between two panes of glass when the spacer 1 is installed can take place.
  • a vapor barrier film 6 essentially completely encloses the outside 3 and the end faces 5 of the base body 2.
  • the end faces 5 also have a step 7.
  • An adhesive tape 8 is arranged below the step 7, in the installed state directed towards the interior space between two panes.
  • the adhesive tape 8 is an acrylate adhesive tape. Above the step 7 against the outside 3, a primary seal is made on the end face 5 Butyl glue arranged.
  • This primary seal is attached to the insulating glass panes during the assembly process of the spacer. Arranging the vapor barrier film 6 essentially along the entire end faces 5 leads to an optimal diffusion barrier and reliably prevents diffusion gaps. Furthermore, the vapor barrier film 6 represents an optimal primer for the adhesive tape 8 and the primary seal 9.
  • FIG. 3 shows a multiple-glazed window with a spacer 1 in the first embodiment according to FIG Figure 1 .
  • the spacer 1 has a base body 2 and is connected to the window panes 15 in a gas-tight manner on its end faces 8 (see FIG. 1).
  • the gas-tight connection is made by an adhesive tape 8 below the step 7 on the face 5 (see Figure 1 ) towards the inside 4 (see Figure 1 ) and achieved in particular by a primary seal 9 above level 7.
  • the primary seal is a butyl adhesive that adheres optimally to the vapor barrier film 6.
  • the vapor barrier film 6 surrounds the spacer 1 at least partially on three sides. Furthermore, the spacer is protected against external influences by a secondary seal 17.
  • the vapor barrier film 6 has a structure according to FIG.
  • FIG 4 shows the schematic structure of a vapor barrier film 6.
  • the vapor barrier film 6 has an outer layer 10 made of SiO x , ie facing away from a spacer, which is applied to a carrier layer 12 made of polyethylene terephthalate.
  • This first film is glued to a second film by means of an adhesive 16.
  • the second film has a sealing layer 14 made of ethylene vinyl alcohol, which with a second Layer 13 is coated from SiO x .
  • the bonding by the adhesive 16 between the two films lies between the second layer 13 and the carrier layer 12.
  • An inner layer made of oriented polypropylene is applied to the sealing layer 14 made of ethylene vinyl alcohol.
  • the polypropylene layer is more weldable, so that the film as a whole lies on a spacer 1 (see Figure 1 and 2 ) can be welded on.
  • the polypropylene layer is applied as a sealing layer, i.e. in a liquid state, to the ethylene vinyl alcohol layer.
  • Such a film leads to an optimal tightness and can cost-effectively on the spacer 1 (see Figure 1 and 2 ) are attached.
  • the outer layer 10 SiO x in particular leads to an optimal primer for a primary seal 9 (see FIG Figure 1 and 2 ) made of butyl, the secondary seal 17 (see Figure 3 ) and for an adhesive tape 8 (see Figure 1 and 2 ) made of acrylate. This also reduces rejects during production.
  • the arrangement of two SiO x layers improves the tightness of the vapor barrier film 6, since coating defects such as pinholes are only arranged directly one above the other with a very low probability.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Joining Of Glass To Other Materials (AREA)

Claims (16)

  1. Entretoise (1) d'écartement des vitres d'une fenêtre à vitrage multiple (15), comprenant
    - un corps de base (2) ayant une face extérieure (3), une face intérieure (4) qui peut être dirigée vers l'espace entre les vitres, et deux faces d'extrémité (5) pour recevoir chacune une vitre ;
    - un film pare-vapeur (6) qui est appliqué sur le corps de base (2), le corps de base (2) comprenant un agent de séchage,
    caractérisé en ce que le film pare-vapeur (6) entoure le corps de base (2) sur la face extérieure (3) et au moins partiellement sur les faces d'extrémité (5), un ruban adhésif (8) et un joint primaire (9) étant disposés au moins partiellement sur le film pare-vapeur (6).
  2. Entretoise (1) selon la revendication 1, caractérisé en ce que les faces d'extrémité (5) présentent un gradin (7) et le film pare-vapeur (6) entoure sensiblement l'entretoise (1) au niveau des faces d'extrémité (5) au moins jusqu'au gradin (7).
  3. Entretoise (1) selon la revendication 1, caractérisée en ce que le film pare-vapeur (6) entoure sensiblement complètement le corps de base (2) au niveau des faces d'extrémité (5).
  4. Entretoise (1) selon l'une des revendications précédentes, caractérisé en ce que le joint primaire (9) est un joint en butyle.
  5. Entretoise (1) selon l'une des revendications précédentes, caractérisé en ce que le film pare-vapeur (6) est un film multicouche et présente de préférence une couche extérieure (10) de SiOx, qui peut être dirigée vers les vitres.
  6. Entretoise (1) selon la revendication 5, caractérisé en ce que le film pare-vapeur (6) comprend une couche intérieure (11), en particulier en matière thermoplastique, de préférence en polypropylène orienté, qui peut être soudée au corps de base.
  7. Entretoise (1) selon l'une quelconque des revendications 0 à 0, caractérisé en ce que le film pare-vapeur (6) comprend une couche de support (12) en poly(téréphtalate d'éthylène).
  8. Entretoise (1) selon l'une quelconque des revendications 0 à 0, caractérisé en ce que le film pare-vapeur (6) comprend une deuxième couche (13) de SiOx.
  9. Entretoise (1) selon l'une quelconque des revendications 0 à 0, caractérisé en ce que le film pare-vapeur (6) comprend une couche d'étanchéité (14) en alcool vinylique d'éthylène.
  10. Vitrage multiple avec une entretoise (1) selon l'une des revendications précédentes.
  11. Fenêtre à vitrage multiple selon la revendication 0 comprenant un joint primaire, en particulier un joint en butyle.
  12. Vitrage multiple selon la revendication 0 ou 0 comprenant un joint secondaire, en particulier un joint secondaire en polysulfite, polyuréthane, hotmelt ou silicone.
  13. Film pare-vapeur (6) pour une entretoise (1) réalisé par assemblage, notamment par collage, d'un premier film comprenant une et de préférence consistant en une couche support (12) en poly(téréphtalate d'éthylène) et une couche extérieure (10) en SiOx et d'un second film comprenant une et de préférence consistant en une couche de étanchéité (14) d'alcool vinylique d'éthylène et une deuxième couche (13) de SiOx et en appliquant une couche intérieure (11) de matière plastique thermoplastique, de préférence de polypropylène orienté, sur la couche de scellement (14) d'alcool vinylique d'éthylène.
  14. Procédé de fabrication d'un film pare-vapeur (6) comprenant les étapes suivantes
    - joindre un premier film comprenant une couche de support (12) en poly(téréphtalate d'éthylène) et une couche extérieure (10) en SiOx à un second film comprenant une couche de scellement (14) en alcool vinylique d'éthylène et une seconde couche (13) en SiOx, la couche de support (12) du premier film étant liée à la seconde couche (13) en SiOx du second film;
    - appliquer une couche intérieure (11) de matériel plastique thermoplastique, de préférence du polypropylène orienté, sur la couche de scellage (14) d'alcool vinylique d'éthylène.
  15. Procédé de fabrication d'une entretoise (1) comprenant l'étape consistant à souder une couche soudable, en particulier une couche thermoplastique, d'un film pare-vapeur (6), de préférence selon la revendication 14, sur une entretoise (1).
  16. Procédé de fabrication d'une fenêtre à vitrage multiple (15) par assemblage, de préférence par collage, d'une entretoise (1) selon l'une des revendications 1 à 0 au moins un vitrage isolant.
EP13774375.3A 2013-09-25 2013-09-25 Entretoise d'écartement des vitres d'une fenêtre à vitrage multiple, fenêtre à vitrage multiple, film pare-vapeur pour une entretoise, procédé de fabrication d'un film pare-vapeur, ainsi que procédé de fabrication d'une entretoise Active EP3049603B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2013/069950 WO2015043626A1 (fr) 2013-09-25 2013-09-25 Entretoise d'écartement des vitres d'une fenêtre à vitrage multiple, fenêtre à vitrage multiple, film pare-vapeur pour une entretoise, procédé de fabrication d'un film pare-vapeur, ainsi que procédé de fabrication d'une entretoise

Publications (2)

Publication Number Publication Date
EP3049603A1 EP3049603A1 (fr) 2016-08-03
EP3049603B1 true EP3049603B1 (fr) 2020-12-16

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EP13774375.3A Active EP3049603B1 (fr) 2013-09-25 2013-09-25 Entretoise d'écartement des vitres d'une fenêtre à vitrage multiple, fenêtre à vitrage multiple, film pare-vapeur pour une entretoise, procédé de fabrication d'un film pare-vapeur, ainsi que procédé de fabrication d'une entretoise

Country Status (2)

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EP (1) EP3049603B1 (fr)
WO (1) WO2015043626A1 (fr)

Families Citing this family (5)

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Publication number Priority date Publication date Assignee Title
PL3477035T3 (pl) 2017-10-30 2020-12-28 Technoform Glass Insulation Holding Gmbh Element dystansowy do zastosowań fotowoltaicznych
EP3505716A1 (fr) 2018-01-02 2019-07-03 Amcor Flexibles Denmark ApS Espaceur de fenêtre de barrière à durabilité améliorée
PL4087996T3 (pl) 2020-01-06 2024-02-26 Saint-Gobain Glass France Element dystansowy o poprawionej przyczepności
WO2021151705A1 (fr) 2020-01-28 2021-08-05 Saint-Gobain Glass France Entretoise comprenant une couche adhésive interrompue
CN111777338A (zh) * 2020-07-24 2020-10-16 温州前瞻玻璃科技有限公司 单玻膜、双玻膜中空玻璃、制作方法、生产设备及应用

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DE9408764U1 (de) 1994-05-28 1995-10-05 Thermix GmbH Isolationssysteme für Verglasungen, 88361 Altshausen Abstandhalter
DE19530838A1 (de) 1995-08-22 1997-02-27 Interpane Entw & Beratungsges Abstandshalter für Isolierscheibenanordnung
US7856791B2 (en) * 2003-06-23 2010-12-28 Ppg Industries Ohio, Inc. Plastic spacer stock, plastic spacer frame and multi-sheet unit, and method of making same
WO2012014005A1 (fr) 2010-07-26 2012-02-02 Fci Étiquette rfid et procédé de fabrication d'une telle étiquette rfid
PL3020908T3 (pl) 2011-04-13 2018-11-30 Alu-Pro Srl Element dystansowy do oddzielania szyb okna ze szkleniem wielokrotnym, okno ze szkleniem wielokrotnym i sposób wytwarzania elementu dystansowego
ITBO20110568A1 (it) * 2011-10-05 2013-04-06 Pellini Spa Elemento distanziatore per sistemi vetrocamera e simili
DE202011110204U1 (de) * 2011-10-14 2013-02-13 Schollglas Holding- und Geschäftsführungsgesellschaft mbH Abstandhalter-Profil für eine Isolierglasscheibe

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Publication number Publication date
EP3049603A1 (fr) 2016-08-03
WO2015043626A1 (fr) 2015-04-02

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