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EP4222332B1 - Verre isolé à multiples vitres et procédé pour le fabriquer - Google Patents

Verre isolé à multiples vitres et procédé pour le fabriquer Download PDF

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Publication number
EP4222332B1
EP4222332B1 EP21718520.6A EP21718520A EP4222332B1 EP 4222332 B1 EP4222332 B1 EP 4222332B1 EP 21718520 A EP21718520 A EP 21718520A EP 4222332 B1 EP4222332 B1 EP 4222332B1
Authority
EP
European Patent Office
Prior art keywords
spacer
pane
panes
seal
elastic seal
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.)
Active
Application number
EP21718520.6A
Other languages
German (de)
English (en)
Other versions
EP4222332A1 (fr
Inventor
Ingo Stoffelshaus
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.)
Framy GmbH
Original Assignee
Framy GmbH
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
Application filed by Framy GmbH filed Critical Framy GmbH
Publication of EP4222332A1 publication Critical patent/EP4222332A1/fr
Application granted granted Critical
Publication of EP4222332B1 publication Critical patent/EP4222332B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E06B3/663—Elements for spacing panes
    • E06B3/66309—Section members positioned at the edges of the glazing unit
    • E06B3/66342—Section members positioned at the edges of the glazing unit characterised by their sealed connection to the panes
    • E06B3/66352—Section members positioned at the edges of the glazing unit characterised by their sealed connection to the panes with separate sealing strips between the panes and the spacer
    • 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
    • E06B3/673—Assembling the units
    • E06B3/67339—Working the edges of already assembled units
    • E06B3/67343—Filling or covering the edges with synthetic hardenable substances
    • E06B3/67347—Filling or covering the edges with synthetic hardenable substances by extrusion techniques
    • 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
    • E06B3/663—Elements for spacing panes
    • E06B3/66309—Section members positioned at the edges of the glazing unit
    • E06B3/66314—Section members positioned at the edges of the glazing unit of tubular shape
    • 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
    • E06B3/663—Elements for spacing panes
    • E06B3/66309—Section members positioned at the edges of the glazing unit
    • E06B3/66314—Section members positioned at the edges of the glazing unit of tubular shape
    • E06B3/66319—Section members positioned at the edges of the glazing unit of tubular shape of rubber, plastics or similar materials
    • 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
    • E06B3/663—Elements for spacing panes
    • E06B3/66309—Section members positioned at the edges of the glazing unit
    • E06B3/66342—Section members positioned at the edges of the glazing unit characterised by their sealed connection to the panes

Definitions

  • Multi-pane insulating glass usually consists of two or more float glass panes, occasionally rolled glass or other flat glass or glass substitute products, which are bonded to a primary seal applied to the contact surfaces using a spacer, usually made of metal, plastic or composite material.
  • the spacer maintains a defined distance from the edge of the glass, which forms the space for the secondary seal, which is intended to ensure a long-term, gas-diffusion-tight seal of the space between the panes.
  • the space between the panes is usually filled with a noble gas mixture.
  • At least one of the panes usually has a coating on the side facing the space between the panes.
  • the term "pane” also includes a pane on which a coating is provided in particular on the side facing the space between the panes.
  • EN 10 2004 027 527 A1 discloses a method for producing an insulating glass pane in which two glass panes are firmly bonded and sealed together by means of at least one sealing compound with the interposition of a frame-shaped spacer. Two different sealing compounds are used here.
  • EP 2 420 536 A1 discloses an edge seal for the production of double or multi-pane insulating glass or solar modules. A primary sealant and a secondary sealant are provided.
  • US 2011/027606 A1 discloses a method for producing a corner of a frame-like spacer for insulating glass panels.
  • WO 2015/086457 A2 discloses an insulating glazing with improved sealing, wherein a primary sealant and a secondary sealant are provided.
  • a bore is also provided in the spacer, which enables gas exchange between a glazing interior and a hollow chamber in order to allow air humidity in the glazing interior to be absorbed by the desiccant.
  • an elastic seal in a multi-pane insulating glass unit has at least two panes and an edge seal comprising a circumferential spacer which is arranged between the two panes and separates a space between the panes from an outer space between the panes, wherein a primary sealant is provided between the spacer and the panes, wherein the elastic seal acts as a barrier to the spread of the primary sealant into the space between the panes.
  • a multi-pane insulating glass comprising at least two panes between which an edge seal is introduced, the edge seal having a circumferential spacer, the edge seal separating a space between the panes from an outer pane, a primary sealant being provided between the circumferential spacer and the panes, which seals the space between the panes from the outer pane, which is further developed in that an elastic seal is provided which, viewed from the space between the panes, is arranged in front of the primary sealant and provides a seal between the spacer and a pane, the spacer providing a compensation space for a primary sealant flowing in the direction of the elastic seal, the compensation space comprising at least one passage opening into a cavity of the spacer.
  • a passage opening is provided through which the primary sealant can pass into a cavity in the spacer.
  • Common spacers have, for example, a profile made of metal or another material with a cavity in which a desiccant is introduced.
  • the profile or spacer is usually perforated towards the space between the panes so that the cavity and the space between the panes communicate with each other.
  • the desiccant such as silica gel, then keeps the volume of the space between the panes dry.
  • this cavity also serves to accommodate primary sealant if the primary sealant expands, for example due to an increase in temperature.
  • the elastic seal can also be referred to as a sealing lip, locking seal or locking lip.
  • the primary sealant is effectively prevented from expanding into the space between the panes. Since the elastic seal represents a barrier to the expansion of the primary sealant into the space between the panes, the primary sealant will expand in a different direction.
  • the spacer is circumferential, in particular designed such that it follows the contour of the pane edge or runs essentially parallel to the pane edge, preferably with a distance of, for example, 5 mm to 20 mm.
  • the spacer has a compensation space for a primary sealant flowing in the direction of the elastic seal.
  • the primary sealant is a plastic sealant, in particular polyisobutylene.
  • the elastic seal is applied to the spacer in a flowable state and after curing the seal of the spacer is placed between the panes.
  • a still flowable silicone can be applied to the spacer so that it is also applied all the way around the spacer and is initially hardened until the flowable state has ended, so that only when the seal is in the state in which it is elastic can a corresponding pressure be generated by connecting the multi-pane insulating glass.
  • the elastic seal can preferably be connected to the spacer as a cord, in particular a round cord or a cord with a square cross-section.
  • a circumferential cord i.e. an endless cord
  • An elastic seal in the form of a cord is also applied or clamped into the opposite side of the spacer in order to enable faster assembly of the multi-pane insulating glass.
  • an elastic cord can also be connected at its ends to create an overall circumferential endless cord.
  • An elastic seal is also applied to the spacer there in order to enable a connection to the opposite pane.
  • the elastic seal is silicone, polyurethane or polysulphide.
  • the elastic seal can also be a vulcanizate of natural rubber or silicone rubber
  • a secondary sealant is provided around the outside of the spacer and between the panes.
  • the secondary sealant is therefore placed in the outer space of the pane.
  • a secondary sealant is provided in the outer space of the pane, all the way around the spacer.
  • the secondary sealant is placed on the outside of the spacer in a groove defined by the panes and the spacer.
  • the secondary sealant serves to further seal the multi-pane insulating glass.
  • the secondary sealant preferably also serves to stabilize the multi-pane insulating glass.
  • the primary sealant is preferably polyisobutylene, also called isobutylene or butyl for short.
  • the elastic seal is silicone, polyurethane, polysulfide or a vulcanizate of natural rubber or silicone rubber.
  • the elastic seal is designed to be applied to the spacer in a flowable state and to be connected to the panes after the elastic seal has hardened.
  • the elastic seal is preferably designed to be connected to the spacer (14) as a cord.
  • a groove is provided in the spacer to accommodate the elastic seal, it is preferably ensured that the elastic seal does not shift from its position even if the primary sealant expands in such a way that it presses against the elastic seal.
  • the elastic seal is an extrudate.
  • the secondary sealant comprises or is in particular polyurethane, silicone or a polysulfide.
  • the outer space of the pane can also be referred to as the outer joint between the two panes and the spacer.
  • a space between the panes, which is enclosed and defined by the two panes and the spacer, is filled with filled or filled with a noble gas or a mixture of noble gases.
  • the elastic seal represents a limitation of the spread of the primary sealant into the space between the panes.
  • One embodiment provides an insulating glass pane with at least two panes, for example glass panes, between which in the edge region there is a spacer profile, which can be referred to as a spacer in the context of the invention, with at least two permanently elastic, non-permanently plastic seals placed on the spacer or partially in the spacer. At least one elastic seal is arranged on the side of the spacer which borders on a pane.
  • the elastic seals fulfill the task of preventing the primary seal used in the edge connection of the insulating glazing unit or the multi-pane insulating glass, which is intended to ensure the gas-tightness of the space between the panes, from leaving its intended area of effect or the application location.
  • a three-stage sealing structure consisting of an elastic seal, which can also be referred to as a primary sealing barrier or primary sealing seal, primary seal and secondary seal, instead of a two-stage sealing structure consisting of a primary seal and a secondary seal.
  • an insulating glazing unit or a multi-pane insulating glass unit comprises at least two panes arranged parallel to each other, which are separated by a metal spacer, Plastic or a composite material.
  • the spacers are usually largely rectangular hollow bodies that are filled with a desiccant to prevent condensation in the space between the panes and have a perforation on the side facing the space between the panes.
  • the spacers are assembled into closed frames by bending or plugging together with plastic or metal connectors in the corners and their shape follows the geometry of the glass panes or panes with a certain offset towards the center of the pane.
  • a primary seal usually polyisobutylene, which is liquefied by heating, is sprayed onto the sides of the spacer facing the glass surface.
  • the spacers prepared in this way are then pressed together with the glass panes.
  • the space between the panes created during assembly is filled with a gas mixture, often with a noble gas, to improve the thermal insulation effect.
  • a coating is usually used on at least one of the glass surfaces or pane surfaces facing the space between the panes.
  • the elastic seal is preferably flexible enough to be partially compressed when the multi-pane insulating glass is pressed and to expand again when the gas filling in the space between the panes expands due to thermal factors and the resulting pumping movement of the multi-pane insulating glass.
  • the elastic seal is preferably not a thermoplastic. If a thermoplastic is used, the thermoplastic should have a temperature resistance where the softening point is greater than or equal to 120°C or greater than or equal to 130°C. In addition, a material that has essentially no or only a slight tendency to outgas under temperature stress should preferably be used as the elastic seal.
  • the material of the elastic seal is extruded into a sealing cord and fixed to the spacer by means of a form fit through gluing or direct application.
  • a groove, a recess and/or a web is provided for the mechanical securing of the elastic seal.
  • a groove is also understood to mean a recess.
  • a web can also be used on which the elastic seal can be supported.
  • a compensation space is preferably provided, for example a cavity, a bead, a depression or a compensation chamber or chambers of a different design, which are or will be drilled, milled, extruded, blasted, lasered or punched into the spacer. It can also be provided to form a membrane that can expand into a compensation space.
  • a maximum volume of the primary seal resulting from heating ensures that the elastic seal is not mechanically overloaded or detached by part of the primary seal moving into a compensation space.
  • a primary sealant or a primary seal is provided that has high cohesive forces so that tearing off of the primary sealant is prevented. The invention thus ensures that no primary sealant or primary sealing material gets into the space between the panes and thus the elastic seal is not overloaded or damaged.
  • the invention in particular the compensation space, even an excessive amount of primary sealant applied does not lead to damage to the multi-pane insulating glass, since excessively applied primary sealant can flow into the compensation space without causing damage.
  • Fig.1 shows a schematic plan view of a multi-pane insulating glass 10 according to the invention.
  • An edge bond 13 comprising a spacer 14 is provided, which is provided with a small distance to the edge of the panes and preferably reproduces the contour of the panes all around.
  • the edge bond 13 connects an upper pane 16 and a lower pane 15.
  • a primary sealant 17 (not shown) is provided, which is applied all the way around the spacer and connects or bonds the spacer 14 to the pane 16 at the top.
  • a primary sealant 17 is also applied underneath the spacer 14 and connects the spacer 24 to the pane 15 below.
  • the frame assembly 13 can also include a secondary sealant introduced into an outer space 12 or a groove formed by the two panes and the spacer 14, which can also be shown in Fig.1 is not shown.
  • the two panes 16 and 15 together with the spacer 14 define a space 11 between the panes.
  • a gas for example a mixture of noble gases, can be introduced into the space 11 between the panes in order to improve the thermal insulation.
  • Fig. 2a shows a schematic sectional view of the multi-pane insulating glass 10 before assembly.
  • the spacer 14, which is shown in section on the right side and on the left side of Fig. 2a
  • a primary sealant 17 is applied to the top and bottom sides of the spacer 14.
  • an elastic seal 19/19' is provided on the respective spacer 14.
  • the elastic seal 19' and the elastic seal 19 are each arranged circumferentially on the spacer 14.
  • the spacer 14 has a cavity 24 into which a desiccant 21 is introduced.
  • a perforation 22 is provided in the spacer 14 to the space between the panes 11 so that a gas connection of the desiccant 21 to the pane interior 11 is possible.
  • Fig. 2b is a detail enlargement schematically from Fig. 2a shown. It can be seen there how the primary sealant 17 is applied to one side of the spacer 14.
  • the elastic seal 19 is introduced into a groove 20.
  • a web 21 is also shown there, which can be provided in addition to or as an alternative to the groove 20.
  • the groove 20 and/or the web 25 supports the elastic seal 19.
  • a channel 23 is provided, which enables a connection from the outside of the spacer 14 to the inside in the cavity 24. Both the cavity 24 and the channel 23 serve as a compensation space for the primary sealant 17.
  • Fig. 3a shows a schematic sectional view of a multi-pane insulating glass 10 assembled according to the invention.
  • a secondary sealant 18 is introduced outside around the spacer 14 in the pane outer space 12 or a groove 20 formed by the panes 15 and 16 and the spacer 14 on the outside.
  • Fig. 3b shows again a schematic detail enlargement from Fig. 3a It can be seen that part of the primary sealant 17 has entered the channel 23.
  • Fig. 4a essentially shows a corresponding schematic Cross-sectional view of the multi-pane insulating glass 10 according to the invention, in which, as in Fig. 4b , which schematically shows an enlarged detail view, it can be better seen that somewhat more primary sealant 17 has entered the channel 23 and has even passed through the channel 23 and entered the cavity 24.

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

Claims (8)

  1. Vitrage isolant multi-vitre (10), comprenant au moins deux vitres (15, 16) entre lesquelles est inséré un joint périphérique (13), le joint périphérique (13) présentant une entretoise périphérique (14), le joint périphérique (13) séparant un espace intermédiaire (11) de vitres d'un espace extérieur (12) de vitres, un matériau d'étanchéité primaire (17) étant prévu entre l'entretoise périphérique (14) et les vitres (15, 16), qui assure l'étanchéité entre l'espace intermédiaire (11) de vitres et l'espace extérieur (12) de vitres, caractérisé en ce qu'il est prévu un joint d'étanchéité élastique (19) qui, vu depuis l'espace intermédiaire (11) de vitres, est disposé devant le matériau d'étanchéité primaire (17) et assure l'étanchéité entre l'entretoise (14) et une vitre (15, 16), l'entretoise (14) fournissant un espace de compensation (23, 24) pour un matériau d'étanchéité primaire (17) s'écoulant dans la direction du joint élastique (19), l'espace de compensation (23, 24) comprenant au moins une ouverture (23) de passage dans une cavité (24) de l'entretoise (14).
  2. Vitrage isolant multi-vitre (10) selon la revendication 1, caractérisé en ce qu'un matériau d'étanchéité secondaire (18) est prévu dans l'espace extérieur (12) de vitres surtout le pourtour de l'entretoise (14).
  3. Vitrage isolant multi-vitre (10) selon la revendication 1 ou la revendication 2, caractérisé en ce que le matériau d'étanchéité primaire (17) est du polyisobutylène.
  4. Vitrage isolant multi-vitre (10) selon l'une des revendications 1 à 3, caractérisé en ce que le joint élastique (19) est en silicone, en polyuréthane, en polysulfure ou en un vulcanisat de caoutchouc naturel ou de caoutchouc silicone.
  5. Vitrage isolant multi-vitre (10) selon l'une des revendications 1 à 4, caractérisé en ce que le joint élastique (19) est conçu pour être appliqué sur l'entretoise (14) dans un état fluide et pour être relié aux vitres (15, 16) après un durcissement du joint élastique, ou en ce que le joint élastique (19) est conçu pour être relié à l'entretoise (14) sous forme de cordon.
  6. Vitrage isolant multi-vitre (10) selon l'une des revendications 1 à 5, caractérisé en ce qu'une rainure (20) est prévue dans l'entretoise (14) pour recevoir le joint élastique (19).
  7. Vitrage isolant multi-vitre (10) selon l'une des revendications 1 à 6, caractérisé en ce que le joint élastique (19) est un extrudat.
  8. Vitrage isolant multi-vitre (10) selon l'une des revendications 1 à 7, caractérisé en ce qu'il est prévu un matériau d'étanchéité secondaire (18) qui est placé à l'extérieur autour de l'entretoise dans une rainure définie par les vitres et l'entretoise, le matériau d'étanchéité secondaire (18) comprenant ou étant notamment du polyuréthane, du silicone ou un polysulfure.
EP21718520.6A 2020-11-18 2021-04-06 Verre isolé à multiples vitres et procédé pour le fabriquer Active EP4222332B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020130491.9A DE102020130491B4 (de) 2020-11-18 2020-11-18 Mehrscheiben-Isolierglas
PCT/EP2021/058876 WO2022106069A1 (fr) 2020-11-18 2021-04-06 Verre isolé à multiples vitres et procédé pour le fabriquer

Publications (2)

Publication Number Publication Date
EP4222332A1 EP4222332A1 (fr) 2023-08-09
EP4222332B1 true EP4222332B1 (fr) 2024-09-25

Family

ID=75497899

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21718520.6A Active EP4222332B1 (fr) 2020-11-18 2021-04-06 Verre isolé à multiples vitres et procédé pour le fabriquer

Country Status (4)

Country Link
US (1) US20230383591A1 (fr)
EP (1) EP4222332B1 (fr)
DE (1) DE102020130491B4 (fr)
WO (1) WO2022106069A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10023541C2 (de) 2000-05-13 2002-09-19 Bayer Isolierglas & Maschtech Isolierglasscheibe mit Einzelscheiben und mit einem Abstandhalterprofil
DE102004027527A1 (de) * 2004-02-03 2005-08-18 Karl Lenhardt Verfahren zum Herstellen einer Isolierglasscheibe
DE102007045104A1 (de) * 2007-09-20 2009-04-02 Kömmerling Chemische Fabrik GmbH Dichtungsmasse zur Herstellung von Zwei- oder Mehrscheiben-Isolierglas oder Solarmodulen
US8615883B2 (en) * 2008-04-11 2013-12-31 Plus Inventia Ag Method for producing a corner of a frame-shaped spacer for insulating glass panes and spacer and insulating glass panes produced according the method
DE102011011549A1 (de) 2011-02-17 2012-08-23 Sollingglas Bau U. Veredelungs Gmbh & Co Kg Randverbund einer Isolierverglasung
KR20160095128A (ko) * 2013-12-12 2016-08-10 쌩-고벵 글래스 프랑스 개선된 밀봉을 갖는 이중 글레이징

Also Published As

Publication number Publication date
EP4222332A1 (fr) 2023-08-09
WO2022106069A1 (fr) 2022-05-27
DE102020130491B4 (de) 2022-10-13
US20230383591A1 (en) 2023-11-30
DE102020130491A1 (de) 2022-05-19

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