EP2534327B1 - Procede de fabrication d'un triple vitrage rempli de gaz - Google Patents

Procede de fabrication d'un triple vitrage rempli de gaz Download PDF

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Publication number
EP2534327B1
EP2534327B1 EP11705945.1A EP11705945A EP2534327B1 EP 2534327 B1 EP2534327 B1 EP 2534327B1 EP 11705945 A EP11705945 A EP 11705945A EP 2534327 B1 EP2534327 B1 EP 2534327B1
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EP
European Patent Office
Prior art keywords
glass
sheets
triple glazing
manufacturing
cavities
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
EP11705945.1A
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German (de)
English (en)
French (fr)
Other versions
EP2534327A2 (fr
Inventor
Xavier Ripoche
Sebastien Hervieux
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
Publication of EP2534327A2 publication Critical patent/EP2534327A2/fr
Application granted granted Critical
Publication of EP2534327B1 publication Critical patent/EP2534327B1/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
    • 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
    • E06B3/6775—Evacuating or filling the gap during assembly

Definitions

  • the invention relates to a method of manufacturing a triple glazing, each cavity of which is located between two adjacent glass sheets is filled with gas.
  • the pre-assembly step is performed on a first work station, the filling step is performed on a second work station and the pressing step is performed on a third work station.
  • At least one of the glass sheets is positioned vertically.
  • the three glass sheets are positioned vertically and substantially parallel to each other. to each other, with an angle of inclination between two adjacent glass sheets equal to 0 °.
  • the glass sheet positioned between the two others is offset vertically relative to the other two so as to create an opening in the cavities for gas injection.
  • the glass sheets adjacent to the glass sheet located between the two others are deformed near one of their edges so as to create an opening in the cavities for gas injection.
  • one of the glass sheets is positioned vertically and the two other glass sheets are each positioned inclined with an angle of inclination with respect to the adjacent glass sheet between 3 ° and 10 °.
  • one of the glass sheets is positioned inclined at an angle of between 3 ° and 10 ° with respect to the vertical and the two other glass sheets are each positioned inclined with an inclination angle with respect to the adjacent glass sheet of between 3 ° and 10 °.
  • the injected gas is a heavy gas.
  • the gas is injected into the cavities via orifices made in a conveyor belt of the glass sheets.
  • the filling step comprises, once the cavities have been filled, a summary pressing of the glass sheets against each other on the second station in order to close the cavities.
  • the filling step comprises a preliminary step during which the vacuum is made in the cavities before the injection of the gas.
  • the glass sheets adjacent to the glass sheet located between the two others are held in position by suction cups and the glass sheet located between the two others is maintained in position by gripping clamps, either the two faces of the glass sheet near its edge, or the edge of the glass sheet at different places thereof.
  • the pressing step is performed on the glass sheets all arranged vertically or all on a plane inclined relative to the vertical at an angle of between 3 and 10 °.
  • the pre-assembly step is preceded by a step of fixing the spacer (s) on at least one glass sheet, preferably by means of a butyl bead.
  • a spacer is attached to the glass sheet located between the other two or two spacers are fixed on the glass sheet, each of the spacers being fixed on one side of the glass sheet located between the other two or two spacers are each fixed to one of the three sheets of glass so that, after the pre-assembly step, each spacer defines one or two cavities (s).
  • mastic is injected along the spacer or spacers near the edge of the glass sheets.
  • the method according to the invention makes it possible to treat three sheets of glass simultaneously and no longer only two.
  • the invention thus makes it possible to manufacture triple glazing without having to make the same steps twice for each triple glazing.
  • the manufacturing time of a triple glazing is thus of the order of the manufacturing time of a double glazing.
  • the Figures 1 and 2 show examples of triple glazing obtained by the process according to the invention.
  • a triple glazing comprises three sheets of glass 1, 2, 3 parallel to each other.
  • One of the glass sheets called the inner glass sheet 2 is located between the two other sheets of glass, called external glass sheets 1, 3.
  • the three sheets of glasses can have the same surface, as on the figure 1 , or have a different surface, as for example on the figure 2 , on which the inner glass sheet 2 has a lower surface than the outer glass sheets 1, 3.
  • the three glass sheets 1, 2, 3 may also have different thicknesses.
  • the dimensions (surface, thickness of the glass sheets) are to be chosen according to the desired application of triple glazing.
  • the triple glazing also includes one or two spacers 4, 5, 4 'for holding the glass sheets apart from each other so as to form two cavities 8, 9, or blades of gas, comprising gas.
  • the cavities 8, 9 filled with gas provide good thermal and acoustic insulation to triple glazing.
  • the two cavities 8, 9 may have the same thickness or have different thicknesses, depending on the desired application of triple glazing.
  • Each spacer 4, 5, 4 ' has a frame shape and is located between two faces of glass sheets, near the edge of the glass sheets.
  • the triple glazing comprises two spacers 4, 5, each of the spacers being disposed between the internal glass sheet 2 and one of the two outer sheets 1, 3.
  • the triple glazing comprises a single spacer 4 ', which is arranged between the two outer glass sheets 1, 3.
  • the spacer 4' comprises a groove 40 'in which is inserted the edge of the inner glass sheet 2.
  • the triple glazing also comprises, for a good seal, a bead of mastic 6, 7 located between the outer face of the spacer (s) 4 ', respectively 4, 5, and the edge of the glass sheets 1, 3, respectively 1, 2 , 3.
  • the method of manufacturing a triple gas-filled glazing according to the invention comprises three main stages: a pre-assembly step, a gas injection step and a pressing step.
  • each of these three steps is performed on a different workstation.
  • the manufacturing steps being separated into several positions, it allows to manufacture several triple glazings simultaneously.
  • the invention makes it possible to manufacture several triple glazings at the same time without having to make the same steps twice for each triple glazing.
  • the pre-assembly step comprises positioning three glass sheets 1, 2, 3 on a conveyor belt 10 by means of a first work station.
  • the three sheets of glass 1, 2, 3 are then held in position and are conveyed by the conveyor belt to the second work station for the gas injection step.
  • the three sheets of glass 1, 2, 3 must be positioned so as to allow easy filling of the cavities 8, 9 of gas. Once the cavities 8, 9 filled with gas, the three sheets of glass 1, 2, 3 are conveyed by the conveyor belt to a third work station on which they are pressed to seal the triple glazing.
  • Three triple glazings can thus be made at the same time on the same production line, since the manufacturing process is separated into three stages each taking place on a different workstation.
  • the outer face of the outer glass sheet 1 intended to be turned towards the outside of a building bears the number 1
  • the inner face of the outer glass sheet 1 intended to be turned towards the outside of a building has the number 2
  • the face of the inner glass sheet 2 facing the outer glass sheet 1 is numbered 3
  • the face of the inner glass sheet 2 facing the outer glass sheet 3 is numbered 4
  • the inner face of the outer glass sheet 3 intended to be turned towards the interior of a building bears the number 5
  • the method Prior to the pre-assembly step, the method comprises a step of fixing the spacer (s) 4, 5, 4 'on the glass sheet (s) 1, 2, 3. This step is preferably carried out by gluing, by example by means of a butyl bead.
  • the spacer (s) 4, 5, 4 'are provided with a desiccant to absorb any moisture inside the triple glazing.
  • the manufacturing process also comprises, prior to fixing the spacers or spacers on the glass sheets, a washing step of the three glass sheets 1, 2, 3. Indeed, the faces 2 to 5 can not be washed after the manufacture of triple glazing since they are inside the triple glazing. Washing glass sheets provides better visibility to the user of triple glazing.
  • the spacer 4 can be fixed on the face number 2 of the outer glass sheet 1 or on the face number 3 of the inner glass sheet 2.
  • the spacer 5 can be fixed on the face number 5 of the outer glass sheet 3 or on the face number 4 of the inner glass sheet 2.
  • Each of the spacers 4, 5, 5 ' comprises a first butyl bead for attachment to one of the glass sheets and a second butyl bead for subsequent attachment to a second glass sheet during the pressing step.
  • the spacer 4 ' is fixed on the edge of the inner glass sheet 2.
  • the spacer 4' therefore comprises a butyl bead in the groove 40 'and two additional butyl cords for the subsequent attachment to the faces number 2 and 5 two outer glass sheets 1, 3 during the pressing step.
  • the three glass sheets 1, 2, 3 are routed one after the other and positioned next to each other on a conveyor belt 10 by the first work station.
  • the conveyor belt 10 conveys the glass sheets from the first work station to the second work station, and then to the third work station.
  • the Figures 3 to 8 show glass sheets 1, 2, 3 when positioned on the conveyor belt 10 by the first work station.
  • the three sheets of glass are treated at the same time to achieve the triple glazing, which saves a lot of time compared to a process in which a double glazing would first be manufactured, then triple glazing from the double glazing.
  • Each sheet of glass 1, 2, 3 is positioned inclined at an angle ⁇ , ⁇ between 0 ° and 10 ° relative to the adjacent glass sheet.
  • angle ⁇ between 0 ° and 10 ° relative to the adjacent glass sheet.
  • the angle of inclination is not zero, it allows to close almost the triple glazing on at least one of its four sides.
  • Cavities 8, 9 are defined by the spacer (s) and by two adjacent glass sheets. The cavities 8, 9 comprise an opening because the triple glazing is not closed on at least one side. It is through this opening that gas will be injected during the gas injection step.
  • the outer glass sheet 1 is positioned vertically then the inner glass sheet 2 is positioned resting on the glass sheet 1 while being inclined at an angle ⁇ of between 3 ° and 10 ° °, then the outer glass sheet 3 is positioned in abutment on the glass sheet 1 while being inclined at an angle ⁇ between 3 ° and 10 °.
  • the cavities 8, 9 are open because of the inclination of the glass sheets.
  • angles ⁇ and ⁇ may be equal.
  • the embodiment of the figure 4 is identical to the embodiment of the figure 3 , except that the spacers 4, 5 are replaced by a single spacer 4 '.
  • the embodiments of the Figures 5 to 8 comprise two spacers 4, 5.
  • the present invention also includes the case where the spacers 4, 5 are replaced by a single spacer 4 '.
  • the internal glass sheet 2 is positioned vertically and then the outer glass sheet 1 is positioned resting on the glass sheet 2 while being inclined at an angle ⁇ of between 3 ° and 10 ° °, then the outer glass sheet 3 is positioned in abutment on the glass sheet 2 being inclined at an angle ⁇ between 3 ° and 10 °.
  • the cavities 8, 9 are open because of the inclination of the glass sheets.
  • the embodiment of the figure 6 is identical to the embodiment of the figure 3 , except that the conveyor belt 10 is inclined at an angle ⁇ of between 3 ° and 10 ° and that it is the inner glass sheet 2 which is then perpendicular to the conveyor belt 10 and no longer the outer glass 1 as in the embodiment of the figure 3 .
  • the outer glass sheet 1 is positioned vertically on the conveyor belt 10, then the inner glass sheet 2 is positioned adjacent to the outer glass sheet 1, but being vertically upwardly offset from the outer glass sheet 1.
  • the outer glass sheet 3 is then positioned next to the inner glass sheet 2, on the conveyor belt 10, at the same level as the other sheet of glass. outer glass 1.
  • the angles of inclination ⁇ , ⁇ of each glass sheet relative to the adjacent glass sheet are 0 ° in this embodiment.
  • the inner glass sheet 2 is not quite in contact with the spacers 4, 5 so as to avoid sticking the spacers to the inner glass sheet 2, which will have to be shifted downwards after filling the cavities in order to close the triple glazing.
  • the bottom of the internal glass sheet 2 is higher than the lower part of the spacers 4, 5.
  • the cavities 8, 9 then comprise an opening through which gas can be injected during the gas injection step. In this embodiment, the openings of the cavities 8, 9 are communicating.
  • the embodiment of the figure 9 is a variant of the embodiment of the figure 7 .
  • the inner glass sheet 2 is offset vertically downwardly relative to the outer glass sheet 1, 3, the spacers 4, 5 being attached to the inner glass sheet 2 and only the inner glass sheet 2 being in contact with the inner glass sheet 2 conveyor belt 10.
  • the bottom of the outer glass sheets 1, 3 is higher than the lower part of the spacers 4, 5.
  • the cavities 8, 9 then comprise an opening through which gas can be injected during the step of gas injection.
  • This variant embodiment makes it possible to keep the cavities 8, 9 independent of one another, which makes it possible to better control the filling of each of the cavities with gas.
  • the three glass sheets 1, 2, 3 are positioned vertically next to each other and one after the other, for example first the outer glass sheet 1, then the inner glass sheet 2 and finally the sheet external glass 3.
  • One side of each of the outer glass sheets 1, 3 is then deformed by pulling away from the inner glass sheet 2 so as to open the cavities 8, 9 and thus provide a passage for the filling of the cavities 8, 9 by gas.
  • a glass sheet is preferably vertical to facilitate positioning.
  • the opening of the cavities 8, 9 is performed on the triple glazing side by which the gas filling will be done.
  • the gas arrives from below the triple glazing, the glass sheets being substantially vertical or slightly inclined with respect to the vertical (3 ° to 10 °, maximum 20 ° for the outer glass sheet 3 in the embodiments of the Figures 3 and 4 ).
  • the external glass sheets 1, 2, 3 are placed in position by suction cups.
  • the outer glass sheet 1 is for example pressed against a frame adapted to move with the conveyor belt 10. Since the glass sheets 2 and 3 are inclined against this glass sheet 1, they stand alone. No means of holding in position other than the chassis is necessary. However, other means of holding in position may still be provided if desired by the user of the method.
  • the other means for holding in position are, for example, clamps for the internal glass sheet 2, these gripping clamps, either the two faces of the glass sheet near its edge, or the edge of the glass sheet in different places. of it.
  • the other means for holding in position are, for example, suckers for the outer glass sheet 3.
  • the other holding means do not interfere with the step of filling the cavities 8, 9 with gas or the pressing step. Indeed, the clamps are smaller than the distance between the outer edge of the spacers 4, 5, 4 'and the edge of the glass sheets, distance on which putty 6, 7 in injected after the pressing step.
  • each glass sheet must be held in position by a holding means, for example suction cups for external glass sheets 1, 3 and forceps for internal glass sheet 2.
  • a holding means for example suction cups for external glass sheets 1, 3 and forceps for internal glass sheet 2.
  • FIGS. 10a to 10f represent a sectional view of the successive phases of the pre-assembly method according to one embodiment.
  • the conveyor belt 10 consists of three strips 11, 12, 13 substantially parallel to each other. These strips 11, 12, 13 are movable in a substantially horizontal direction perpendicular to their longitudinal direction.
  • the three strips 11, 12, 13 are integral with a movable support 15, the set of moving strips 11, 12, 13 and the movable support 15 being movable relative to a fixed support 14.
  • the fixed supports 14 and movable 15 are equivalent to respectively fixed and mobile chassis.
  • the glass sheet 3 resting on the fixed support 14, is conveyed on the strip 13.
  • the strips 11, 12, 13 and the movable support 15 are not moving.
  • the glass sheet 3 is preferably inclined at an angle of between 3 ° and 10 ° for greater stability.
  • the glass sheet 3 is then pivoted to bear on the mobile support 15, the bottom of the glass sheet 3 still resting on the mobile strip 13.
  • the strips 11, 12, 13 and the movable support 15 are still not moving.
  • the glass sheet 2 provided with the spacer 5 and resting on the fixed support 14 is pushed onto the strip 12.
  • the strips 11, 12, 13 and the movable support 15 are not moving.
  • the glass sheet 2 is preferably inclined at an angle of between 3 ° and 10 ° for greater stability.
  • the glass sheet 2 is then tipped in support on the glass sheet 3, itself still resting on the mobile support 15.
  • the bottom of the glass sheet 2 always rests on the mobile strip 12 and the bottom of the sheet of glass 3 still rests on the mobile band 13.
  • the strips 11, 12, 13 and the movable support 15 are not moving.
  • the glass sheet 1 provided with the spacer 4 and resting on the fixed support 14 is pushed onto the strip 11.
  • the strips 11, 12, 13 and the movable support 15 are not moving.
  • the glass sheet 1 is preferably inclined at an angle of between 3 ° and 10 ° for greater stability.
  • the glass sheets 2, 3 are then pivoted in support on the glass sheet 1, itself still resting on the fixed support 14.
  • the bottom of the glass sheets 1, 2, 3 always rest on the moving strips respectively 11, 12, 13.
  • the strips 11, 12, 13 and the movable support 15 are not moving.
  • the conveyor belt starts to move the glass sheets to the second work station.
  • This second workstation injects gas at the same time into the two cavities 8, 9 located between two adjacent sheets of glass. This is the step of filling the cavities with gas.
  • the injection is carried out by means of nozzles.
  • the conveyor belt 10 has a plurality of through orifices through which the gas is projected from the nozzles to the cavities 8, 9.
  • the cavities 8, 9 are filled until a gas filling rate is achieved. other than about 90% air. Filling both cavities 8, 9 at the same time saves time.
  • the nozzles are movable to adapt to different dimensions of triple glazing, namely different thicknesses of glass sheets and / or gas blades.
  • the injected gas is preferably a heavy gas, such as Argon or Krypton, which provides better thermal insulation than air, for example.
  • Argon is preferred because it is inexpensive.
  • the step of filling the cavities may comprise a step during which the vacuum is made in the cavities 8, 9 before the injection of the gas. This makes it possible to fill the cavities more quickly once the vacuum has been achieved but is forced to an additional stage.
  • the second work station briefly presses the glass sheets 1, 2, 3 against each other in order to close the cavities 8, 9 to prevent the gas other than air out cavities 8, 9.
  • the second workstation further aligns the inner glass sheet 2 with the outer glass sheets 1, 3 before the basic pressing.
  • the conveyor belt 10 starts to move the glass sheets 1, 2, 3 to the third work station.
  • the third workstation presses the glass sheets 1, 2, 3 by exerting pressure on the outer glass sheets 1, 3, preferably perpendicularly to and in the direction of the outer sheets 1, 3 so as to seal the triple glazing.
  • the glass sheets 1, 2, 3 are for example all arranged vertically. Alternatively, the glass sheets 1, 2, 3 are all arranged on a plane inclined to the vertical by an angle of between 3 and 10 °.
  • a conveyor belt by main step, in particular for the embodiment of Figures 10a to 10f .
  • the conveyor belts are then adjacent to each other.
  • the glass sheets held in position are conveyed from one conveyor belt to another adjacent conveyor belt to move from one step to another.
  • the glass sheets 1, 2, 3 are preferably transferred to another adjacent conveyor belt by being conveyed in the longitudinal direction to the strips 11, 12, 13 along the fixed support 14 on which the glass sheets 1, 2 , 3 are all in support.
  • the triple glazing is more tight thanks to the method according to the invention.
  • putty 6, 7 is injected along the spacer (s) 4, 5, 4 ', between their face turned towards the outside of the triple glazing and the edge of the glass sheets 1, 2, 3
  • the sealant is used to seal the triple glazing for moisture or dust does not penetrate inside.
  • the glass sheets 1, 2, 3 may be provided with functional layers, such as low-emissive layers (for example on the faces numbered 2 and 5), anti-reflection layers (for example on the faces number 3 and 4), electrochromic stacking, self-cleaning layers, anti-condensation layers, solar control layers, etc.
  • functional layers such as low-emissive layers (for example on the faces numbered 2 and 5), anti-reflection layers (for example on the faces number 3 and 4), electrochromic stacking, self-cleaning layers, anti-condensation layers, solar control layers, etc.
  • functional layers such as low-emissive layers (for example on the faces numbered 2 and 5), anti-reflection layers (for example on the faces number 3 and 4), electrochromic stacking, self-cleaning layers, anti-condensation layers, solar control layers, etc.
  • Several functional layers can be arranged on one and the same face of the triple glazing.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
EP11705945.1A 2010-02-08 2011-01-31 Procede de fabrication d'un triple vitrage rempli de gaz Active EP2534327B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1050859A FR2956149B1 (fr) 2010-02-08 2010-02-08 Procede de fabrication d'un triple vitrage rempli de gaz
PCT/FR2011/050184 WO2011095732A2 (fr) 2010-02-08 2011-01-31 Procede de fabrication d'un triple vitrage rempli de gaz

Publications (2)

Publication Number Publication Date
EP2534327A2 EP2534327A2 (fr) 2012-12-19
EP2534327B1 true EP2534327B1 (fr) 2017-03-15

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EP11705945.1A Active EP2534327B1 (fr) 2010-02-08 2011-01-31 Procede de fabrication d'un triple vitrage rempli de gaz

Country Status (9)

Country Link
US (1) US9790733B2 (cg-RX-API-DMAC7.html)
EP (1) EP2534327B1 (cg-RX-API-DMAC7.html)
JP (1) JP5833572B2 (cg-RX-API-DMAC7.html)
CN (1) CN103109031B (cg-RX-API-DMAC7.html)
DK (1) DK2534327T3 (cg-RX-API-DMAC7.html)
EA (1) EA022191B1 (cg-RX-API-DMAC7.html)
FR (1) FR2956149B1 (cg-RX-API-DMAC7.html)
PL (1) PL2534327T3 (cg-RX-API-DMAC7.html)
WO (1) WO2011095732A2 (cg-RX-API-DMAC7.html)

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KR102853365B1 (ko) 2019-12-18 2025-08-29 코닝 인코포레이티드 유리 운반 장치 및 이를 포함하는 복층 유리 유닛 제조 시스템
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EA201290765A1 (ru) 2013-02-28
EP2534327A2 (fr) 2012-12-19
JP5833572B2 (ja) 2015-12-16
FR2956149B1 (fr) 2012-01-27
US20120285605A1 (en) 2012-11-15
WO2011095732A2 (fr) 2011-08-11
EA022191B1 (ru) 2015-11-30
CN103109031B (zh) 2015-02-25
CN103109031A (zh) 2013-05-15
JP2013532107A (ja) 2013-08-15
WO2011095732A3 (fr) 2015-07-02
FR2956149A1 (fr) 2011-08-12
US9790733B2 (en) 2017-10-17
PL2534327T3 (pl) 2017-09-29
DK2534327T3 (en) 2017-07-03

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