EP3783183A1 - Procédé et dispositif de manipulation d'une unité de vitrage isolant pourvu d'élément de compensation de pression - Google Patents

Procédé et dispositif de manipulation d'une unité de vitrage isolant pourvu d'élément de compensation de pression Download PDF

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Publication number
EP3783183A1
EP3783183A1 EP19193172.4A EP19193172A EP3783183A1 EP 3783183 A1 EP3783183 A1 EP 3783183A1 EP 19193172 A EP19193172 A EP 19193172A EP 3783183 A1 EP3783183 A1 EP 3783183A1
Authority
EP
European Patent Office
Prior art keywords
noble gas
gas reservoir
pane
spacer
insulating glazing
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.)
Withdrawn
Application number
EP19193172.4A
Other languages
German (de)
English (en)
Inventor
Hans-Werner Kuster
Florian CARRE
Dirk NÜSSER
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.)
Saint Gobain Glass France SAS
Compagnie de Saint Gobain SA
Original Assignee
Saint Gobain Glass France SAS
Compagnie de Saint Gobain SA
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 Saint Gobain Glass France SAS, Compagnie de Saint Gobain SA filed Critical Saint Gobain Glass France SAS
Priority to EP19193172.4A priority Critical patent/EP3783183A1/fr
Publication of EP3783183A1 publication Critical patent/EP3783183A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • 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
    • E06B3/677—Evacuating or filling the gap between the panes ; Equilibration of inside and outside pressure; Preventing condensation in the gap between the panes; Cleaning the gap between the panes

Definitions

  • the invention relates to a method for handling an insulating glazing unit, which has a first pane and a second pane, a circumferential spacer between the first pane and the second pane that is firmly connected to the first and second pane in a water-vapor-tight manner, the at least two parallel pane contact walls, a Outer wall and a glazing inner space wall as well as an inner space, and comprises a around the outer wall of the spacer between the first and second panes circumferential waterproof sealing strip, wherein in the sealing strip on the outer wall of the spacer at least one pressure compensation element is used, which on the one hand to the surrounding atmosphere and on the other hand Interior of the spacer or to the glazing interior between the first and the second pane is open. It also relates to an arrangement for carrying out this method.
  • Insulating glazing has been an indispensable component of residential and functional buildings in industrialized countries for decades, especially in temperate and colder climates. In the course of global efforts to protect the climate and to save heating and air conditioning costs, they are becoming more and more important and are increasingly being used in less developed countries.
  • insulating glazing takes place in mass production in a few large factories of the individual manufacturers, and the finished insulating glazing is then delivered to many locations for further processing into components (windows, doors, etc.) or for direct use on site (e.g. for facade or roof glazing) .
  • These can be at a significantly different altitude from the place of manufacture, so that in the case of a hermetically sealed Insulating glazing as a result of the changed ambient pressure at the further processing or use location, a change in volume of the gas and bending of the panes can occur and noticeably impair the optical quality of the insulating glazing.
  • the stresses caused by the pressure differences also stress the edge seal of the insulating glazing and tend to lead to reliability problems.
  • EP 0 261 923 A2 discloses a multi-pane insulating glazing with a spacer made of a moisture-permeable foam with an integrated desiccant.
  • the arrangement is preferably sealed by an outer seal and a gas- and moisture-tight film.
  • the film can contain metal-coated PET and polyvinylidene chloride copolymers.
  • DE 38 08 907 A1 discloses a multiple pane of glass with a ventilation channel running through the edge seal and a drying chamber filled with desiccant.
  • EP 2 006 481 A2 discloses a device for pressure equalization for insulating glass units with enclosed gas volume, a pressure equalizing valve being introduced into the spacer of the insulating glass.
  • these pressure compensation valves have a complicated mechanism in the form of several moving parts, which not only make the system more susceptible to errors, but also cause significantly higher production costs.
  • a pressure compensation body which contains a gas-permeable and vapor-diffusion-tight membrane, is arranged in the sealing compound and protrudes into the outer wall of the spacer, and the circumferential spacer is divided by a special bulkhead.
  • a corner connector for producing double glazing units which is part of the spacer construction of the double glazing unit and which has an integrated capillary tube for effecting a pressure equalization between the double glazing unit and the atmosphere.
  • Improved double glazing units are also the subject of WO 2019/141445 A1 and WO 2019/141484 A1 of the applicant.
  • the invention is based on the object of specifying a method and an arrangement for handling insulating glass panes which solves this and other problems.
  • the invention includes the idea of finding an easy to implement possibility of replenishing the amount of noble gas after noble gas has escaped from the space between the panes under reduced atmospheric pressure. This ultimately leads to the idea of fluidly connecting a noble gas reservoir to the outer end of the pressure compensation element, which keeps the noble gas filling of the double glazing unit largely at a constant level and prevents the entry of air when connected.
  • the invention relates to a method for handling an insulating glazing unit, which has a first pane and a second pane, a circumferential spacer between the first pane and the second pane that is firmly connected to the first and second pane in a water-vapor-tight manner, the at least two parallel pane contact walls, a Has an outer wall and an inner glazing wall and an inner space, and comprises a watertight sealant strip extending around the outer wall of the spacer between the first and second panes.
  • At least one pressure compensation element is inserted into the sealant strip, which extends at least to the outer wall of the spacer and is open on the one hand to the surrounding atmosphere and on the other hand to the interior of the spacer or to the glazing interior between the first and second panes filled with a noble gas.
  • the pressure compensation element has an inner end and an outer end.
  • the inner end is open to the interior of the spacer or to the interior of the glazing, which is filled with a noble gas, between the first and the second pane, and the outer end is open to the surrounding atmosphere.
  • a noble gas reservoir is connected to the outer end of the pressure compensation element in the method before transport or during transport of the insulating glazing unit.
  • the pressure compensation element can be designed as a capillary or a valve, for example. Suitable pressure compensation elements are known to those skilled in the art.
  • the outer end of the pressure compensation element can be connected to the noble gas reservoir, for example via a coupling element.
  • the connection is designed such that the outer end of the pressure compensation element is open to the noble gas reservoir.
  • the outer end of the pressure compensation element can also be connected to the noble gas reservoir, for example via a screw connection or a clamp connection or the like.
  • the noble gas reservoir remains connected during transport on transport routes with a height difference of at least 100 m, preferably at least 200 m, particularly preferably at least 500 m.
  • the noble gas reservoir is in particular filled with that noble gas which is also used in the space between the panes of the insulating glazing unit, in particular argon or krypton, but possibly also with another noble gas or a noble gas mixture.
  • argon or krypton in particular argon or krypton
  • another noble gas or a noble gas mixture in particular argon or krypton
  • a noble gas reservoir is used with a flexible wall such that the internal gas pressure of the noble gas reservoir decreases during transport with decreasing atmospheric pressure and increases with increasing atmospheric pressure.
  • This design embodies the inventive concept in a particularly suitable manner, in that when the ambient pressure is reduced, gas can escape from the insulating glazing unit in the desired manner, but when the pressure rises again, gas automatically enters the space between the panes - not air, but noble gas .
  • the inert gas reservoir is removed before the insulating glazing unit is installed.
  • the noble gas reservoir remains connected to the insulating glazing unit until the destination of the transport and is then removed at the destination before the insulating glazing unit is installed.
  • the inert gas reservoir could indeed be removed from the insulating glazing unit as soon as significant height differences are no longer to be expected for further transport of the insulating glazing unit. This could reduce the duration of use of the noble gas reservoir and enable it to be used more quickly for other transport tasks. However, this would then require additional handling in the course of a single transport process and thus increase the handling costs.
  • the outer end of the pressure compensation element is sealed in a pressure-tight manner after the transport and before the assembly of the insulating glazing unit. This is a further measure to "preserve" the desired noble gas content in the double glazing unit. Weather-related changes in the atmospheric pressure can then no longer lead to noble gas escaping from the pane and air instead entering the insulating glazing unit in an undesirable manner when the atmospheric pressure is subsequently increased.
  • a noble gas reservoir is connected to a plurality of insulating glazing units.
  • insulating glazing units When transporting larger quantities of insulating glazing units, it is not necessary to connect many individual noble gas containers to individual double glazing units and then remove them again later, but rather a single noble gas reservoir or at least a smaller number of noble gas containers can be carried along during the transport and used in parallel. to protect all transported insulating glazing units from a loss of noble gas filling in accordance with the invention.
  • Device-related configurations of the invention result to the greatest possible extent from the above-mentioned explanations of the proposed method and in this respect are not repeated here in detail.
  • the noble gas reservoir as a container with a sufficiently flexible wall, which is designed in such a way that the internal gas pressure in the container is essentially set to the value of the surrounding atmospheric pressure.
  • a noble gas reservoir is designed, for example, as a rubber or polymer foil balloon or as a partially rigid container with a correspondingly flexible wall area. The latter design is possibly easier to handle and less prone to damage in the rough continuous operation of the arrangement.
  • This can in particular have a distributor element and / or a plurality of hoses, which is connected at one end to the noble gas reservoir and at the other end or at the other ends to the pressure compensation elements of the connected insulating glazing units.
  • Fig. 1 shows in a partially sectioned perspective view an insulating glazing 1 made of a first and second glass pane 2a, 2b, which are held in a parallel position and mutually aligned edges via a spacer 3 at a distance from one another.
  • the two pane contact surfaces 3a, 3b of the spacer 3 are provided with butyl strips 4a, 4b which realize a vapor diffusion-tight connection between the spacer 3 and the glass panes 2a, 2b.
  • a sealant strip 5 which is pressed into the gap between the panes 2a, 2b by means of an applicator roller W outside the spacer 3, creates a cohesive and watertight connection between the panes and completes the insulating glazing 1.
  • the spacer 3 which has the cross section of a rectangle and trapezoid connected to one another on the long sides, is filled with pellets of a desiccant 6 and has an inner glazing wall 3c provided with small openings 3d.
  • the wall of the spacer 3 covered by the sealant strip 5 is hereinafter referred to as its outer wall 3e.
  • the filling of the interior 3f of the spacer 3 with the desiccant 6, in connection with the openings 3d, ensures that moisture penetrating into the glazing interior 2c is absorbed and cannot lead to the panes fogging up.
  • FIGs 2A and 2B schematically show a pressure equalization element 7, 7 'which is intended for installation in insulating glazing of the type shown in FIG Fig. 1 type shown is intended, together with parts of the double glazing 1.
  • the pressure compensation element 7, 7 ' is placed on the outer wall 3e of the spacer 3 and protrudes into the latter through an opening 3g.
  • the pressure compensation element 7, 7 ' is connected to the environment via an outer opening 7a', which can optionally be closed.
  • the longitudinal and cross-sectional views show, in conjunction with one another, how a capillary 7c 'with an approximately rectangular basic shape is incorporated into a solid base body 7b' of the pressure compensation element, which can be made of glass or ceramic, but optionally also of metal.
  • the production of such a recess in a base body made of glass, ceramic, or the like is by means of milling or known laser structuring or, depending on the dimensions of the base body and the Spiral track, possible with known means of microlithography and therefore does not require a more detailed description here.
  • the spiral Due to its length and small width, the spiral enables ambient air to enter the interior space 3f of the spacer 3, which is strongly braked due to its length and small width, where the air is dried by the desiccant 6 ( Fig. 1 ), and through the small openings 3d in the glazing inner wall 3c further into the glazing interior 2c. Conversely, given appropriate pressure conditions, an equally braked and thus controlled escape of gas filled into the glazing interior 2c into the environment is possible.
  • a pressure compensation element 7, 7 ' whose essential feature is a very long capillary, can also be realized with a cylindrical or stepped cylindrical basic shape, the spiral then in particular being a circular spiral or the Capillary can also extend helically or helically in the base body.
  • the capillary can also be combined with additional means for preventing or at least additional hindrance to water entry and / or water vapor diffusion, provided that the dimensioning of the capillary does not mean that the pressure compensation element is largely impermeable to vapor diffusion.
  • Fig. 3 shows a perspective external view of a pressure compensation element 7 'which is to be inserted into an insulating glazing 1 according to Fig. 1 is determined and the Figures 3A, 3B and 3C show exemplary structural designs of such a pressure compensation element.
  • the pressure compensation element 7 ' has the basic shape of a stepped cylinder with a first base body section 7a' with a larger diameter and a second base body section 7b 'with a smaller diameter, which here is provided with an external thread 7c', but can also be plugged in or clipped in.
  • a first opening 7d ' which is already in Fig. 3
  • the pressure compensation element 7d ' has a second opening 7e', which is shown in FIG Figure 3A can be seen.
  • FIGS. 3A to 3C show possible constructive realizations of the pressure compensation element 7 'with a largely identical housing structure.
  • the representations are to be understood as basic sketches and do not claim to show all parts that can be sensibly used to implement the respective function. It goes without saying that the housing structure and the basic shape of the housing also differ from that in the Figures 3 to 3C given representation may differ.
  • Figure 3A shows the equipping of the pressure compensation element 7 'with a membrane 7f', for example made of poly (1-trimethylsilyl-1-propyne), which is ultrapermeable in the initial state, but which, as the material ages, changes in a predetermined period of time to a vapor-diffusion-tight and gas exchange-hindering film PTMSP) or a similar material.
  • a membrane 7f' for example made of poly (1-trimethylsilyl-1-propyne
  • PTMSP vapor-diffusion-tight and gas exchange-hindering film
  • Figure 3B shows a pressure equalization element 7 ', in which a vapor diffusion-tight, but gas-permeable PTFE membrane 7f' is inserted at the bottom of the first base body section 7a 'and above this a plastic material 7g' that is initially good gas-permeable, such as a PEG powder, granulate or - Shaped body, heaped up or placed on top.
  • gas-permeable such as a PEG powder, granulate or - Shaped body
  • this material can be selected in its chemical composition and form of introduction in such a way that the reduction in gas permeability takes place over a predetermined period of time (see above) and possibly leads to a completely gas-tight closure of the pressure compensation element.
  • Figure 3C shows, as a further variant, a pressure compensation element 7 ', in which, one above the other, a watertight, gas-permeable PTFE membrane 7f' that slows down the passage of water vapor and a molded body 7g 'made of a result of aging or under the influence of components of the ambient air (for example air humidity) swelling material are arranged.
  • the shaped body 7g ' is shown with a central through opening 7h' which is increasingly closed due to the swelling.
  • the shaped body can, however, also have several smaller through-openings or initially relatively large pores which, in a similar manner, decrease in size as a function of time and, if necessary, ultimately close completely.
  • the choice of the specific material and the structural design of this component of the pressure compensation element is made depending on the specific application, in particular the desired time-dependent reduction in gas permeability.
  • FIGS. 4A and 4B each show a sketch of an embodiment of an arrangement 13 according to the invention, ie an insulating glazing unit 1 with a pressure compensation element 7, 7 'inserted on the outside of the area 1 a of the insulating glazing unit 1, which is covered by a part of the frame after installation in a frame separately designated) end a noble gas reservoir 8 or 8 'is connected and its inner end is open to the interior of the spacer or to the glazing interior filled with a noble gas between the first and the second pane of the double glazing unit.
  • the noble gas reservoir is an overall flexible balloon 8, for example made of one Rubber mixture with a noble gas diffusion-tight inner coating, for the closure of which in the state not connected to the insulating glazing 1 a simple separate closure clip 9 is provided here.
  • the inert gas reservoir 8 ' is a partially rigid container with a rigid wall part 8a', a neck portion 8b 'in which a shut-off valve 8c' is arranged, and a flexible, expandable wall portion 8d '.
  • the noble gas reservoir 8 ′ can be removed from the pressure compensation element 7.
  • FIG. 5 shows schematically a further embodiment of an arrangement 13 according to the invention.
  • This embodiment differs from that in FIG Figure 4B arrangement 13 shown to the effect that the container 8 'from Figure 4B with a distributor element 10 attached to the neck portion 8A 'with, for example, four branches (not separately designated), each of which is connected via a connecting hose 11 to one of several connected insulating glazing units 1.
  • the container 8 ′ and the distributor element 10 with the connecting hoses 11 can be detached from the respective pressure compensation elements 7.
  • Fig. 6 shows the cross-section of a further embodiment of an arrangement 13 according to the invention.
  • the arrangement 13 comprises an insulating glazing 1 comprising a first pane 2a and a second pane 2b, a circumferential spacer 3 between the first and second pane 2a, 2b which is firmly connected to the first and second panes 2a, 2b Disk 2a and the second disk 2b, the at least two parallel disk contact walls (in the Fig. 6 not shown in cross-section), an outer wall 3e, a glazing interior wall 3c, which is provided with small openings 3d (in the Fig.
  • a desiccant 6 not shown
  • an inner space 3f in which a desiccant 6 is arranged and comprises a watertight sealant strip 5 running around the outer wall 3e of the spacer 3 between the first and second panes.
  • At least one pressure compensation element 7 ' is inserted into the sealant strip 5, which extends at least to the outer wall 3e of the spacer 3 and is open on the one hand to a noble gas reservoir 8 connected to the outer end of the pressure compensation element 7 and on the other hand to the interior 3f of the spacer.
  • the noble gas reservoir 8 is connected to the pressure compensation element 7 connected, but it can also be removed from it.
  • the pressure compensation element 7 is the pressure compensation element 7 'as in FIG Figure 3A shown and protrudes into the interior space 3f of the spacer 3 which is filled with desiccant 6.
  • the pressure compensation element extends up to the glazing interior wall 3c and thus the pressure compensation element is open to the glazing interior.
  • the circumferential spacer is formed from a single curved spacer. It is also possible, however, for the circumferential spacer to be formed from a plurality of spacers which are connected to one another via corner connectors.
  • FIGS. 7A and 7B sections of cross-sections through an arrangement 13 according to the invention are shown.
  • a region of an arrangement 13 according to the invention is shown in each case, in which a pressure compensation element is arranged.
  • the arrangement 13, of which in the Figure 7A a detail is shown in cross section corresponds essentially to that in FIG Fig. 6 shown arrangement 13, wherein in the Figure 7A
  • the noble gas reservoir 8 is connected to the pressure compensation element 7 'via a coupling element 12.
  • the embodiment of an arrangement 13 according to the invention, of which in the Figure 7B a section of a cross section is shown differs from the arrangement from that in FIG Figure 7A the detail of a cross-section is shown, only to the extent that the pressure compensation element 7 is designed as a simple capillary.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
EP19193172.4A 2019-08-22 2019-08-22 Procédé et dispositif de manipulation d'une unité de vitrage isolant pourvu d'élément de compensation de pression Withdrawn EP3783183A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19193172.4A EP3783183A1 (fr) 2019-08-22 2019-08-22 Procédé et dispositif de manipulation d'une unité de vitrage isolant pourvu d'élément de compensation de pression

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19193172.4A EP3783183A1 (fr) 2019-08-22 2019-08-22 Procédé et dispositif de manipulation d'une unité de vitrage isolant pourvu d'élément de compensation de pression

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EP3783183A1 true EP3783183A1 (fr) 2021-02-24

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Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1578030A (en) * 1976-08-26 1980-10-29 Pilkington Brothers Ltd Multiple glazing
EP0261923A2 (fr) 1986-09-22 1988-03-30 Lauren Manufacturing Comp. Unité de vitrage isolant à vitres multiples
DE3808907A1 (de) 1988-03-17 1989-10-05 Peter Dipl Ing Kueffner Mehrfachglasscheibe
WO2001065047A1 (fr) 2000-02-28 2001-09-07 Park Kwang Don Structure a paire de plaques de verre comportant une partie d'absorption d'air et une partie d'evacuation d'air
DE102005002285A1 (de) 2005-01-18 2006-07-27 Fredy Zisser Isolierglas-Druckausgleichsystem (ISO-DAS)
EP2006481A2 (fr) 2007-06-22 2008-12-24 SOLAN GmbH Dispositif destiné à l'équilibrage de la tension pour un volume de gaz contenant des unités de verre isolant
EP2469002A2 (fr) * 2010-12-12 2012-06-27 Hans-Georg Jährling Dispositif destiné à influencer les bandes entre des points opposés dans un ou plusieurs ensembles de corps
DE102012021938A1 (de) * 2012-11-10 2014-05-15 Hans-Georg Jährling Vorrichtung und Verfahren zum Überwachen von mechanischen Spannungen bzw. Deflektionen von Glastafeln einer Mehrscheiben-Isolierglasscheibe
WO2014095097A1 (fr) 2012-12-20 2014-06-26 Saint-Gobain Glass France Vitrage isolant comprenant un élément compensateur de pression
WO2014131094A1 (fr) 2013-03-01 2014-09-04 Markov Iasen Module en verre isolant respirant
WO2017064160A1 (fr) 2015-10-13 2017-04-20 Saint-Gobain Glass France Élément de raccordement d'angle à capillaire
WO2018163783A1 (fr) 2017-03-10 2018-09-13 Ａｇｃ－Ｌｉｘｉｌウィンドウテクノロジー株式会社 Unité de verre multicouche et accessoire fixe de fenêtre
WO2019141445A1 (fr) 2018-01-16 2019-07-25 Saint-Gobain Glass France Vitrage isolant, son procédé de fabrication et son utilisation
WO2019141484A1 (fr) 2018-01-16 2019-07-25 Saint-Gobain Glass France Vitrage isolant et son procédé de fabrication

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1578030A (en) * 1976-08-26 1980-10-29 Pilkington Brothers Ltd Multiple glazing
EP0261923A2 (fr) 1986-09-22 1988-03-30 Lauren Manufacturing Comp. Unité de vitrage isolant à vitres multiples
DE3808907A1 (de) 1988-03-17 1989-10-05 Peter Dipl Ing Kueffner Mehrfachglasscheibe
WO2001065047A1 (fr) 2000-02-28 2001-09-07 Park Kwang Don Structure a paire de plaques de verre comportant une partie d'absorption d'air et une partie d'evacuation d'air
DE102005002285A1 (de) 2005-01-18 2006-07-27 Fredy Zisser Isolierglas-Druckausgleichsystem (ISO-DAS)
EP2006481A2 (fr) 2007-06-22 2008-12-24 SOLAN GmbH Dispositif destiné à l'équilibrage de la tension pour un volume de gaz contenant des unités de verre isolant
EP2469002A2 (fr) * 2010-12-12 2012-06-27 Hans-Georg Jährling Dispositif destiné à influencer les bandes entre des points opposés dans un ou plusieurs ensembles de corps
DE102012021938A1 (de) * 2012-11-10 2014-05-15 Hans-Georg Jährling Vorrichtung und Verfahren zum Überwachen von mechanischen Spannungen bzw. Deflektionen von Glastafeln einer Mehrscheiben-Isolierglasscheibe
WO2014095097A1 (fr) 2012-12-20 2014-06-26 Saint-Gobain Glass France Vitrage isolant comprenant un élément compensateur de pression
WO2014131094A1 (fr) 2013-03-01 2014-09-04 Markov Iasen Module en verre isolant respirant
WO2017064160A1 (fr) 2015-10-13 2017-04-20 Saint-Gobain Glass France Élément de raccordement d'angle à capillaire
WO2018163783A1 (fr) 2017-03-10 2018-09-13 Ａｇｃ－Ｌｉｘｉｌウィンドウテクノロジー株式会社 Unité de verre multicouche et accessoire fixe de fenêtre
WO2019141445A1 (fr) 2018-01-16 2019-07-25 Saint-Gobain Glass France Vitrage isolant, son procédé de fabrication et son utilisation
WO2019141484A1 (fr) 2018-01-16 2019-07-25 Saint-Gobain Glass France Vitrage isolant et son procédé de fabrication

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