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
  • E06B3/673—Assembling the units
  • E06B3/67326—Assembling spacer elements with the panes
  • E06B3/6733—Assembling spacer elements with the panes by applying, e.g. extruding, a ribbon of hardenable material on or between the panes
• • 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
  • E06B3/66342—Section members positioned at the edges of the glazing unit characterised by their sealed connection to the panes
  • E06B3/66347—Section members positioned at the edges of the glazing unit characterised by their sealed connection to the panes with integral grooves or rabbets for holding the panes
• • 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
  • E06B3/663—Elements for spacing panes
  • E06B3/66309—Section members positioned at the edges of the glazing unit
  • E06B3/66366—Section members positioned at the edges of the glazing unit specially adapted for units comprising more than two panes or for attaching intermediate sheets
• • 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
  • E06B3/67365—Transporting or handling panes, spacer frames or units during assembly
  • E06B3/67369—Layout of the assembly streets

Definitions

• the present invention relates to a method of manufacturing a multiple glazing comprising a spacer frame fixed between two sheets of glass.
• the invention also relates to a facility for manufacturing multiple glazings.
• an insulating glazing unit (or multiple glazing) can be obtained by joining at least one rigid spacer frame to the periphery of two sheets of glass using sealing beads, and by applying an outer sealing barrier on all the outer circumference of the spacer frame between the two sheets of glass.
• the sealing beads between each glass sheet and the spacer frame which are generally based on polyisobutylene (“butyl”), not only allow to pre-assemble the glass sheets with the spacer frame for the purpose of sealing the multiple glazing , but also to achieve a primary barrier of sealing to water vapor and gases.
• These sealing beads are conventionally deposited on either side of the spacer frame, on its side walls intended to be adjacent to the glass sheets of the multiple glazing unit, each sheet of glass being then pressed against the corresponding side wall of the spacer frame at level of the sealing bead.
• the deposition of the sealing beads on the spacer frame must be carried out in a dedicated station, which is located outside the main line of multi-glazing manufacturing including the glass sheet washing station, the sheet pressing station. glass on the spacer frame, the sealing station of the multiple glazing. During the pressing of the glass sheets on the spacer frame, the sealing beads previously deposited in the off-line station have had time to cool, which affects the quality of the primary sealing barrier. In addition, after the deposition of the sealing beads on the spacer frame, the latter is subject to several manipulations, manual or automated, which creates a risk of damage to the sealing beads located on either side of the spacer frame.
• the presence of defects in the sealing beads can lead to leakage of insulating gas present inside the multiple glazing, or the entrance of water vapor that condenses inside the multiple glazing, which impacts the quality and the durability of multiple glazing.
• the deposition of the sealing beads must also be performed after the assembly of the spacer frame, which requires implementation of the steps of manufacturing a multiple glazing successively, with limited productivity.
• the invention intends to remedy more particularly by proposing a method of manufacturing a multiple glazing which guarantees the obtaining of a good quality primary sealing barrier, which is favorable for the durability. multiple glazing, which improves cycle time and productivity for the manufacture of multiple glazing.
• the invention relates to a method of manufacturing a multiple glazing comprising at least three glass sheets and a spacer frame fixed between two outer glass sheets, the or each central glass sheet multiple glazing being received in an inner peripheral groove of the spacer frame, each of the two outer glass sheets being bonded to a side wall of the spacer frame via a sealing bead, characterized in that it comprises steps in which:
• a sealing bead is deposited on a peripheral portion of a main face of the glass sheet
• the spacer frame is assembled around the central glass sheet or sheets
• each outer glass sheet provided with its sealing bead is secured to a side wall of the spacer frame.
• the invention since at least one sealing bead of the multiple glazing is deposited on a glass sheet rather than on the spacer frame, the risk of degradation of the sealing bead is limited. Indeed, the sheet of glass, which is conventionally moved on a conveyor, is subject to little or no manipulation during the manufacturing process of multiple glazing.
• the deposition of the sealing bead on the glass sheet can be performed on a main line of manufacturing multiple glazings, upstream of a mounting station of the glass sheet on the spacer frame, the assembly of the glass sheet with the spacer frame can take place rapidly, in the still hot state of the sealing bead, which promotes the quality of the primary sealing barrier thus formed between the spacer frame and the glass sheet .
• glass sheet any type of substrate suitable for use in a multiple glazing. It may be a mineral glass sheet, especially a glass of oxide which may be a silicate, borate, sulfate, phosphate, or other. Alternatively, it may be a sheet of organic glass, for example polycarbonate or polymethylmethacrylate.
• a sealing bead is deposited on a peripheral portion of a main face of each of the two outer glass sheets, and each outer glass sheet is secured with its sealing bead. with a side wall of the spacer frame.
• a first sealing bead on a peripheral portion of a main face of a first outer glass sheet, which is intended to be connected to a first side wall of the spacer frame; depositing a second sealing bead on a second side wall of the spacer frame opposite the first side wall of the spacer frame; the first external glass sheet provided with its sealing bead is secured to the first side wall of the frame spacer; and securing the second outer glass sheet with the second side wall of the spacer frame provided with its sealing bead.
• the multiple glazing comprises at least three glass sheets and a single spacer frame fixed between two outer glass sheets, the or each central glass sheet of the multiple glazing being received in an inner peripheral groove of the spacer frame.
• a triple glazing thus comprises a spacer frame with a groove, two outer glass sheets being positioned on either side of the spacer frame and a central glass sheet being received in the groove of the spacer frame;
• a quadruple glazing comprises a spacer frame with two grooves, two outer glass sheets being positioned on either side of the spacer frame and two central glass sheets being each received in a respective groove of the spacer frame; etc.
• the spacer frame is assembled around the central glass sheet (s) of the multiple glazing unit.
• the central glass sheet or sheets of the multiple glazing are inserted into an open portion L or U of the spacer frame, with their edges received in a respective groove, then the assembly of the spacer frame is finalized by closing the open L-shaped or U-shaped portion around the central glass sheet (s) with one or two additional profiles that are attached to the L-shaped or U-shaped portion.
• the spacer frame assembly According to a second variant of the spacer frame assembly, four sections of the spacer frame are positioned on the four edges of the or each central glass sheet of the multiple glazing unit, by inserting the edges of each central glass sheet into the corresponding grooves of the profiles. then the profiles are attached two by two at their ends at the corners of the spacer frame.
• each groove of the spacer frame is provided with a lining for receiving a central glass sheet, in particular based on elastomer material such as ethylene-propylene rubber. diene (EPDM).
• the groove may have a width greater than the thickness of the central glass sheet.
• the liner serves to fix the central glass sheet in the groove, while compensating for any variations in thermal expansion of the central glass sheet. Unrestrained fixation of the central glass sheet in the groove is thus ensured.
• the reduction of the stresses applied to the central glass sheet makes it possible to reduce the thickness and the weight of this central glass sheet, compared to those used in the multiple glazings where the central glass sheet is fixed on the central glass sheet.
• periphery of a spacer frame instead of being received in a groove.
• the liner is advantageously configured to allow balancing by gas flow between the cavities of the multiple glazing located on either side of the central glass sheet.
• the manufacture of multiple glazing may involve depositing a sealing bead on a peripheral portion of a main face of at least one of the first and second sheets of glass, and the joining of the or each glass sheet provided with its sealing bead with a side wall of the spacer frame.
• the subject of the invention is a method of manufacturing a multiple glazing unit comprising at least one spacer frame fixed between a first and a second sheet of glass, each of the first and second sheets of glass being connected to a side wall of the spacer frame via a sealing bead, the method comprising steps in which:
• a sealing bead is deposited on a peripheral portion of a main face of the first glass sheet, which is intended to be bonded to a first side wall of the spacer frame;
• a sealing bead is deposited on a second side wall of the spacer frame opposite the first side wall of the spacer frame; - The first glass sheet is secured with its sealing bead with the first side wall of the spacer frame;
• the dissymmetry for the deposition of the sealing beads one being deposited on a sheet of glass while the other is deposited on the spacer frame, it is possible to assemble each sheet of glass with the spacer frame quickly after the deposition of the corresponding sealing bead, in the still hot state of the sealing bead, which promotes the quality of the primary sealing barrier thus formed between the spacer frame and the glass sheet.
• the securing of the second sheet of glass with the second side wall of the spacer frame is advantageously carried out directly after the deposition of the sealing bead on the second side wall of the spacer frame, while the joining of the first sheet of glass with the first side wall of the spacer frame is advantageously made directly after the deposition of the sealing bead on the first glass sheet.
• the multiple glazing comprises at least three glass sheets and, for each pair of adjacent glass sheets, a spacer frame is fixed between the two sheets of glass of the pair.
• a triple glazing thus comprises two spacer frames each fixed between two adjacent glass sheets among the three glass sheets of the glazing unit;
• a quadruple glazing comprises three spacer frames each fixed between two adjacent glass sheets among the four glass sheets of the glazing unit; etc.
• the assembly of the spacer frame of the multiple glazing and the deposition of a sealing bead on at least one glass sheet of the multiple glazing can take place simultaneously in two separate posts.
• each sealing bead is based on a resin chosen from polyisobutylene (butyl); a hot melt adhesive (butyl hot melt); acrylic, modified acrylic, rubber or silicone double-sided adhesive tape, more commonly known as "pressure sensitive adhesive (PSA) double-sided adhesive tape”; an acrylic type adhesive, epoxy, curable or not, under the action of ultraviolet radiation.
• a resin chosen from polyisobutylene (butyl); a hot melt adhesive (butyl hot melt); acrylic, modified acrylic, rubber or silicone double-sided adhesive tape, more commonly known as “pressure sensitive adhesive (PSA) double-sided adhesive tape”; an acrylic type adhesive, epoxy, curable or not, under the action of ultraviolet radiation.
• PSA pressure sensitive adhesive
• each sealing bead is based on polyisobutylene (butyl).
• butyl is particularly efficient in terms of water vapor and gas tightness.
• its mechanical performance is insufficient to maintain the glass sheets between them and on the spacer frame.
• the holding of the glass sheets is then ensured by an outer sealing barrier, which is applied to the entire outer circumference of the spacer frame between the glass sheets.
• the outer sealing barrier may be formed, in particular, from a resin selected from polysulfides, polyurethanes, silicones, hot melt butyls (hot melt), and combinations or mixtures thereof. These sealants have good adhesion to the glass sheets and mechanical properties allowing them to maintain the glass components on the spacer frame.
• the sealing bead is deposited on a peripheral portion of a main face of the glass sheet by extrusion.
• the technique of depositing a resin by extrusion on the periphery of a main face of a glass sheet is used in other areas that the manufacture of multiple glazing, particularly in the field of manufacturing glazing for vehicles with a peripheral seal which is intended to ensure the connection between the glazing and the vehicle body.
• An extrusion station for extruding a sealing bead on a peripheral portion of a main face of a glass sheet can therefore be easily installed on a multi-glazing production line without incurring additional design costs. because adapted equipment has already been developed for vehicle glazing production lines.
• each of the first and second glass sheets is secured to a side wall of the spacer frame by pressing.
• the pressing of the glass sheet (s) provided with their sealing beads can take place in a conventional multiple glazing pressing device, without modifying the existing manufacturing lines.
• the spacer frame whether it is a spacer frame with or without groove (s), defines a receiving housing desiccant material.
• the spacer frame comprises desiccant material in at least two of its sides, to ensure dehydration of each cavity formed between the glass sheets of the multiple glazing.
• An inner transverse wall on each side of the spacer frame having desiccant material in its interior volume is provided with a plurality of perforations, so as to bring the desiccant material into communication with the air or the inner gas of the corresponding cavity.
• the desiccant material can thus absorb the moisture contained in the cavity and prevent fogging between the glass sheets of the multiple glazing.
• the desiccant material may be any material capable of ensuring dehydration of the air or of the gas strip present in each cavity of the multiple glazing, in particular chosen from molecular sieve, silica gel, CaC, Na 2 SO 4. , activated carbon, zeolites, and / or a mixture thereof.
• each cavity of the multiple glazing between the glass sheets can be filled with air.
• each cavity of the multiple glazing comprises a blade of an insulating gas, which is a substitute for the air between the glass sheets.
• gases used to form the insulating gas plate in each cavity of the multiple glazing include, in particular, argon (Ar), krypton (Kr), xenon (Xe).
• the insulating gas plate in each cavity of the multiple glazing comprises at least 85% of a gas having a lower thermal conductivity than that of air. Suitable gases are preferably colorless, non-toxic, non-corrosive, non-flammable, insensitive to ultraviolet radiation exposure.
• the spacer frame may be made of metal and / or of polymer material.
• suitable metallic materials include, in particular, aluminum or stainless steel.
• suitable polymer materials include, in particular, polyethylene (PE), polycarbonate (PC), polypropylene (PP), polystyrene, polybutadiene, polyesters, polyurethanes, polymethyl methacrylate, polyacrylates, polyamides , polyethylene terephthalate (PET), polybutylene terephthalate (PBT), acrylonitrile butadiene styrene (ABS), acrylonitrile styrene acrylate (ASA), styrene-acrylonitrile copolymer (SAN).
• PE polyethylene
• PC polycarbonate
• PP polypropylene
• polystyrene polybutadiene
• polyesters polyurethanes
• polymethyl methacrylate polyacrylates
• polyamides polyethylene terephthalate
• PBT polybutylene terephthal
• each section of the spacer frame may be based on polypropylene having a frame consisting of a stainless steel film.
• the profile is advantageously reinforced by fibers, in particular glass or carbon fibers.
• each glass sheet of the multiple glazing is moved in several successive workstations while being substantially vertical.
• each sheet of glass can be moved to successive workstations using a conveyor.
• At least one glass sheet which is intended to be connected to a side wall of a spacer frame of the multiple glazing, passes through several successive stations which comprise at least, from upstream to 'downstream :
• a washing station of the glass sheet a station for depositing a sealing bead on a peripheral portion of a main face of the glass sheet;
• the glass sheet prior to its passage through the mounting station of the glass sheet on the spacer frame, the glass sheet passes into a turning station of the glass sheet 180 ° on itself so as to reverse the direction of its main faces.
• the different glass sheets of the multiple glazing are simultaneously received in different workstations which are located upstream of a station unique mounting of glass sheets on the spacer frame. This saves cycle time and increases productivity, especially for the manufacture of multiple glazing with at least three sheets of glass.
• the subject of the invention is a facility for manufacturing multiple glazings comprising at least one spacer frame fixed between two sheets of glass, this installation comprising, in parallel, on the one hand an assembly station of a spacer frame, and secondly a sealing bead deposition station on a peripheral portion of a main face of a glass sheet, so that the assembly of the spacer frame of a multiple glazing and the deposition of a sealing bead on at least one sheet of glass of the same multiple glazing can take place simultaneously in the assembly station and in the cord deposit station.
• the assembly station is advantageously configured to ensure an assembly of the spacer frame around the central glass sheet or sheets, -
• the cord deposit station is advantageously configured to ensure a deposit of a sealing bead on a peripheral portion of a main face of at least one of the two outer glass sheets.
• the installation comprises a main line with several successive stations that comprise at least, from upstream to downstream:
• the main line comprises, between the deposition station of a sealing bead on a sheet of glass and the glass sheet mounting station on a spacer frame, a reversing station of a sheet 180 ° glass on itself so as to reverse the direction of its main faces.
• the main line comprises, downstream of the glass sheet mounting station on a spacer frame, a multiple glazing sealing station at the outer periphery of the or each spacer frame between the glass sheets.
• the installation comprises a conveyor for moving the glass sheets in the successive stations of the main line.
• the assembly station of a spacer frame, and a possible bead deposition station on a side wall of a spacer frame are located outside the main line and upstream of the glass sheet mounting station on a spacer frame.
• Figure 2 is a section similar to Figure 1 for a triple glazing comprising three glass sheets and two spacer frames;
• Figure 3 is a section similar to Figure 1 for a triple glazing comprising three glass sheets and a spacer frame with a groove;
• FIG. 4 is a schematic view of a main face of at least one glass sheet of the multiple glazings of FIGS. 1 to 3 which is intended to be connected to a side wall of a spacer frame, before its assembly with the spacer frame;
• FIG. 5 is a schematic representation of the successive steps of a sequence of a method of manufacturing a triple glazing unit according to a first embodiment of the invention
• FIG. 6 is a schematic representation of the successive steps of a sequence of a method of manufacturing a triple glazing according to a second embodiment of the invention.
• the process according to the invention makes it possible to obtain multiple glazings having any number, greater than or equal to two, of glass sheets.
• the invention is thus applicable for the manufacture of double glazing, triple glazing, quadruple glazing, etc.
• the external face of the glass sheet 1 intended to be turned towards the outside of a building bears the number
• the internal face of the glass sheet 1 intended to be turned towards the outside of a building is numbered ⁇
• the external face of the glass sheet 2 intended to be turned towards the interior of a building bears the number ®
• the internal face of the glass sheet 2 intended to being turned towards the inside of a building bears the number ⁇ .
• the external face of the external glass sheet 1 intended to be turned towards the outside of a building bears the number, the internal face of the external glass sheet.
• the face of the internal glass sheet 2 turned towards the external glass sheet 1 has the number ®
• the face of the internal glass sheet 2 turned to the external glass sheet 3 bears the number
• the inner face of the outer glass sheet 3 intended to be turned towards the inside of a building bears the number
• the external face of the external glass sheet 3 intended to to be turned towards the inside of a building bears the number ⁇ .
• FIGS 1 to 3 show examples of multiple glazing obtained by the method according to the invention.
• the double glazing 15 shown in Figure 1 comprises two glass sheets 1, 2 parallel to each other, which are arranged vis-à-vis one another.
• the two sheets of lenses 1, 2 can have different thicknesses.
• the dimensions (surface, thickness of the glass sheets) are to be chosen according to the desired application of the double glazing.
• the double glazing 15 also comprises a spacer frame 4, which is fixed between the two sheets of glass 1, 2 so as to keep the glass sheets 1, 2 at a distance from one another by forming a cavity 8.
• cavity 8 is filled with insulating gas, which provides good thermal and acoustic insulation to the double glazing 15.
• the spacer frame 4 is located between the main faces ⁇ and ®, located vis-à- screw one of the other, the two sheets of glass 1, 2, at a peripheral portion 1 1 or 21 faces vis-à-vis the two sheets of glass.
• the double glazing 15 also includes an outer sealing barrier 7 of polysulphide resin, which is applied to the entire outer periphery of the spacer frame 4 between the two glass sheets 1, 2, so as to hold the glass sheets 1, 2 between they and on the spacer frame 4.
• the double glazing 15 is obtained by depositing a sealing bead 6 on the peripheral portion 1 1 or 21 of the main face ⁇ or ® of a first sheet of the two sheets of glass 1, 2 according to the configuration shown in Figure 4; depositing a sealing bead 6 on the side wall 43 or 45 of the spacer frame which is not intended to cooperate with the first glass sheet provided with the sealing bead 6; securing by pressing the first glass sheet provided with its sealing bead 6 with the corresponding lateral wall 45 or 43 of the spacer frame which is devoid of a sealing bead; securing by pressing the second sheet of the two glass sheets 1, 2 with the corresponding side wall of the spacer frame provided with its sealing bead 6.
• the asymmetry for the deposition of the sealing beads 6, one being deposited on the first sheet of glass while the other is deposited on the spacer frame allows to assemble each of the two sheets of glass 1 , 2 with the spacer frame 4 quickly after the deposition of the corresponding sealing bead, in the still hot state of the sealing bead.
• connection between the first glass sheet provided with a sealing bead 6 and the corresponding side wall of the spacer frame 4 without a sealing bead is made quickly after the deposition of the sealing bead 6 on the first sheet of glass, and the connection between the second glass sheet without sealing bead and the side wall of the spacer frame 4 provided with a sealing bead 6 is made quickly after the filing of the sealing bead 6 on the spacer frame.
• the triple glazing 16 shown in Figure 2 comprises three glass sheets 1, 2, 3 parallel to each other, which are arranged vis-à-vis each other.
• One of the glass sheets, called the central glass sheet 2 is located between the two other sheets of glass, called external glass sheets 1, 3.
• the three glass sheets 1, 2, 3 may 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 16 also comprises two spacer frames 4, 4 ', which are each fixed between two sheets of glass, respectively the glass sheets 1, 2 and the glass sheets 2, 3, so as to keep them at a distance. the others forming two cavities 8, 9.
• the cavities 8, 9 are each filled with insulating gas, which provides good thermal and acoustic insulation to the triple glazing 16.
• the two cavities 8, 9 can have the same thickness or have different thicknesses, depending on the desired application of triple glazing.
• Each spacer 4, 4 ' is located between two main faces, facing each other, of the two glass sheets which surround it, at a peripheral portion 1 1, 21 or 31 faces vis-à-vis the two sheets of glass.
• the spacer frame 4 is located between the main faces ⁇ and ⁇ of the glass sheets 1, 2, while the spacer frame 4 'is located between the main faces ⁇ and ⁇ of the glass sheets 2, 3.
• Each of the two glass sheets 1, 2 is connected to a side wall 43 or 45 of the spacer frame 4 by means of a butyl sealing bead 6.
• each of the two glass sheets 2, 3 is bonded to a side wall 43 'or 45' of the spacer frame 4 'by means of a sealing bead 6 made of butyl.
• the triple glazing 16 also comprises, for holding the glass sheets 1, 2, 3 together and on the spacer frames 4, 4 ', an outer sealing barrier 7, 7' of polysulphide resin applied respectively to the entire outer circumference of the spacer frame 4 between the two sheets of glass 1, 2 and all around the outer circumference of the spacer frame 4 'between the two sheets of glass 2, 3.
• the triple glazing 16 is obtained by depositing a sealing bead 6 on the peripheral portion 1 1, 21 or 31 of only certain main faces ⁇ , ®, ⁇ , ⁇ of the glass sheets 1, 2 , 3 according to the configuration shown in Figure 4; depositing a sealing bead 6 on the side walls of the spacer frames 4, 4 'which are not intended to cooperate with the main faces of the glass sheets provided with a sealing bead 6; fastening by pressing the main faces of the glass sheets 1, 2, 3 provided with a sealing bead 6 with the corresponding side walls spacer frames 4, 4 'which do not have a sealing bead; securing by pressing the main faces of the glass sheets 1, 2, 3 without a sealing bead with the corresponding side walls of the spacer frames 4, 4 'which are provided with a sealing bead 6.
• the dissymmetry for the deposition of the sealing beads 6 makes it possible to assemble each of the two sheets of glass with the spacer frame 4, 4 'rapidly after the deposition of the corresponding sealing bead, in the still hot state. sealing cord.
• the triple glazing 17 shown in Figure 3 comprises three sheets of glass 1, 2 ', 3 parallel to each other, which are arranged vis-à-vis each other.
• One of the glass sheets called the central glass sheet 2 ', is located between the two other sheets of glass, called external glass sheets 1, 3.
• the central glass sheet 2' has a surface smaller than those of the two sheets of glass. external glass 1, 3.
• the three glass sheets 1, 2 ', 3 may have different thicknesses, in particular the central glass sheet 2' may have a thickness less than that of the two outer glass sheets 1, 3.
• the dimensions (surface, thicknesses of the glass sheets) are to be chosen according to the desired application of triple glazing.
• the triple glazing 17 also includes a single spacer frame, which is secured between the two outer glass sheets 1, 3, while the central glass sheet 2 'is received in an inner peripheral groove 52 of the spacer frame 5, with interposition an EPDM packing 51 which is positioned in the groove 52 to receive the edge of the central glass sheet 2 '.
• the glass sheets 1, 2 ', 3 are thus kept at a distance from one another forming two cavities 8, 9.
• the cavities 8, 9 are each filled with insulating gas, which provides good thermal and acoustic insulation in the triple
• the two cavities 8, 9 may have the same thickness or have different thicknesses, depending on the desired application of triple glazing. As can be clearly seen in FIG.
• the spacer frame 5 is located between the main faces ⁇ and (D, located opposite one another, of the two glass sheets 1, 3, at the level of a peripheral portion 1 1 or 31 of the faces vis-à-vis the two sheets of glass 1, 3.
• Each of the two glass sheets 1, 3 is connected to a side wall 53 or 55 of the spacer frame 5 by means of a butyl sealing bead 6.
• the triple glazing 17 also comprises an outer sealing barrier 7 of polysulphide resin, which is applied to the entire outer periphery of the spacer frame 5 between the two outer glass sheets 1, 3, so as to hold the glass sheets 1, 3 between them and on the spacer frame 5.
• the triple glazing 17 is obtained by assembling the spacer frame 5 around the central glass sheet 2 '; depositing a sealing bead 6 on the peripheral portion 1 1, 31 of the main face ⁇ , ⁇ of each of the two outer glass sheets 1, 3 according to the configuration shown in FIG. 4; securing by pressing each outer glass sheet 1, 3 provided with its sealing bead 6 with the corresponding lateral wall 53, 55 of the spacer frame 5.
• the triple glazing 17 is obtained by assembling the spacer frame 5 around the central glass sheet 2 '; depositing a sealing bead 6 on the peripheral portion 1 1 or 31 of the main face ⁇ or ⁇ of a first sheet of the two outer glass sheets 1, 3 in the configuration shown in Figure 4; depositing a sealing bead 6 on the side wall 53 or 55 of the spacer frame 5 which is not intended to cooperate with the first glass sheet provided with the sealing bead 6; securing by pressing the first sheet of glass provided with its sealing bead 6 with the corresponding side wall 55 or 53 of the spacer frame which is devoid of sealing bead; securing by pressing the second sheet of the two outer glass sheets 1, 3 with the corresponding side wall of the spacer frame 5 provided with its sealing bead 6.
• each spacer frame 4, 4 ', 5 defines at least one desiccant material receiving housing 18 which may be, for example, molecular sieve or silica gel.
• the inner transverse walls 46, 46 ', 56 and 58 of each spacer frame 4, 4', 5 are provided with a plurality of perforations 49, 49 ', 59, so that the desiccant material 18 is able to absorb the moisture included in each cavity 8, 9 of the multiple glazing, which prevents fogging between the glass sheets.
• FIGS. 5 and 6 two embodiments of a method and an installation for manufacturing triple glazing 17 as described above are illustrated schematically in FIGS. 5 and 6.
• FIGS. 5 and 6 Each of FIGS. the successive stages of a sequence of manufacture of a triple glazing 17.
• the central glass sheet 2 ' is in a glass sheet store 10 located at an upstream end of a main line of the manufacturing facility. triple glazing.
• the glass sheets are moved in the successive workstations of the main line using a conveyor (not shown), each being in a substantially vertical position.
• a step b) the central glass sheet 2 'is in a glass sheet washing station 20 located on the main line, while the outer glass sheet 1 is in the magazine 10.
• a step c) the central glass sheet 2 'is in a glass sheet inspection station located on the main line, where it is checked that it has no defects or impurities.
• the outer glass sheet 1 is then in the washing station 20, while the outer glass sheet 3 is in the magazine 10.
• the central glass sheet 2 ' is in an assembly station 40 of the spacer frame 5 around the central glass sheet 2'.
• This spacer frame assembly station 40 is located outside the main line and parallel thereto.
• the assembly of the spacer frame 5 around the central glass sheet 2 ' can be obtained in the station 40 by inserting the central glass sheet 2 'into an open L-shaped or U-shaped part of the spacer frame, and then closing the L-shaped or U-shaped portion around the central glass sheet 2' to the using one or two additional sections that are attached to the L-shaped or U-shaped part.
• the assembly of the spacer frame 5 around the central glass sheet 2 ' can be obtained in the station 40 by positioning the four sections of the spacer frame on the four edges of the central glass sheet 2 ', and then fixing the sections two by two at their ends at the corners of the spacer frame.
• the outer glass sheet 1 is in the inspection station 25, while the outer glass sheet 3 is in the washing station 20.
• the outer glass sheet 1 is in a glass sheet butyl station located on the main line, in which a butyl sealing bead 6 is extrusion deposited on the peripheral portion 1 1 of its main face ⁇ , according to the configuration shown in Figure 4.
• the outer glass sheet 3 is then in the inspection station 25, and the central glass sheet 2 'is still in the spacer frame assembly station 40 located outside the main line.
• the outer glass sheet 1 is in a glass sheet turning station 70 located on the main line, downstream of the spacer frame assembly station 40.
• the positioning of the station 40 outside the main line allows the outer glass sheets 1, 3 to advance into the main line stations without being blocked by the spacer frame assembly step 5 around the central glass sheet 2 ', which is a relatively long.
• the outer glass sheet 1 is rotated 180 ° on itself so as to reverse the direction of its main faces ⁇ and ⁇ , and to present the main face ⁇ provided with the sealing bead 6 in contrast to the direction it had in the butylage station 30.
• the outer glass sheet 3 is then in the butylation station 30, wherein a butyl sealing bead 6 is deposited by extrusion on the part 31 of its main face ⁇ , according to the configuration shown in Figure 4.
• the central glass sheet 2 ' is always in the spacer frame assembly station 40 located outside the main line.
• the external glass sheet 1 is put on hold in a press 80 for mounting the outer glass sheets 1, 3 on the spacer frame 5, with its main face ⁇ provided with the sealing bead 6 directed opposite to the direction it had in the butylage station 30.
• the outer glass sheet 3 is then in a post 60 of pre-assembly on the spacer frame, which is located on the main line, with its face main ⁇ provided with the sealing bead 6 always directed in the direction it had in the butylage station 30.
• the outer glass sheet 3 is secured to the spacer frame 5 by pre- pressing its main face ⁇ provided with the sealing bead 6 against the side wall 55 of the spacer frame, which is assembled around the central glass sheet 2 '.
• the pre-pressed assembly comprising the outer glass sheet 3 and the spacer frame 5, itself assembled around the central glass sheet 2 ', passes into the press 80 where the outer glass sheet 1 is secured to the spacer frame 5 by pressing its main face ⁇ provided with the sealing bead 6 against the side wall 53 of the spacer frame, and the two outer glass sheets 1, 3 are pressed on either side of the spacer frame 5.
• the filling of the cavities 8 and 9 can also take place in the press 80.
• the triple glazing passes through a triple glazing sealing station 90 at the outer periphery of the spacer frame 5, in which an outer sealing barrier 7 made of polysulphide resin is applied to the entire outer circumference of the spacer 5 between the outer glass sheets 1, 3, so as to maintain the outer glass sheets 1, 3 of the triple glazing 17 between them and on the spacer frame.
• This second embodiment differs from the first embodiment in that the station 70 for reversing glass sheets located on the main line is removed, and that a butylage station 50 of a wall of a spacer frame is added at the outlet of the spacer frame assembly station 40, being located outside the main line .
• steps a) to d) are identical to those described above.
• the outer glass sheet 1 passes directly from the inspection station 25 to the press 80, without stopping in the butylation station of glass sheets 30.
• the outer glass sheet 3 is then in the washing station 20, and the central glass sheet 2 'is in the spacer frame assembly station 40 located outside the main line.
• a step f) the outer glass sheet 1 is put on hold in the press 80.
• the outer glass sheet 3 is then in the butylation station of glass sheets 30, in which a butyl sealing bead 6 is deposited by extrusion on the peripheral portion 31 of its main face ⁇ , according to the configuration shown in Figure 4.
• the spacer frame 5 assembled around the central glass sheet 2 ' is in the butylation station of the spacer frame 50 located at the outlet of the spacer frame assembly station 40.
• a butyl sealing bead 6 is deposited by extrusion on the lateral wall 53 of the spacer frame 5.
• a step g ' the outer glass sheet 1 is put on hold in the press 80, and the outer glass sheet 3 is in the pre-assembly station 60, with its main face ⁇ provided with the sealing bead 6 in the direction that it had in the butylage station of glass sheets 30.
• the outer glass sheet 3 is secured to the spacer frame 5 by pre-pressing its main face. Provided with the sealing bead 6 against the side wall 55 of the spacer frame, which is assembled around the central glass sheet 2 '.
• the pre-pressed assembly comprising the outer glass sheet 3 and the spacer frame 5, itself assembled around the central glass sheet 2', passes into the press 80 where the glass sheet external 1 is secured to the spacer frame 5 by pressing its main face ⁇ against the side wall 53 of the spacer frame provided with the sealing bead 6, and the two outer glass sheets 1, 3 are pressed on either side of the spacer frame 5.
• the filling of the cavities 8 and 9 can also take place in the press 80, and the triple glazing then passes into a sealing station 90 in which an outer sealing barrier 7 made of polysulphide resin is applied all around the outer circumference. spacer frame 5 between the outer glass sheets 1, 3.
• the displacement of the central glass sheet 2 'and the spacer frame 5 in the spacer frame assembly station 40 and in the Butylage of spacer frame 50 located outside the main line can be provided, in particular, using a second conveyor or robot gripper.
• the method according to the invention has the advantage of avoiding damage to the sealing beads, by proposing to deposit them preferentially on the glass sheets rather than on the spacer frame. Indeed, the glass sheets, which are generally moved on a conveyor, are subject to little manipulation, or even any manipulation, likely to damage the sealing beads.
• the only manipulation of the glass sheets provided with a sealing bead is the overturning of a sheet of glass, which can be made easily without touching the main face provided with sealing bead, for example using suckers acting on the opposite main face of the glass sheet.
• the glass sheets provided with a sealing bead are not the subject of any manipulation between the step of depositing the sealing bead and the step mounting the glass sheet on the spacer frame.
• the deposition of the sealing bead on the or each glass sheet is carried out on the main line of manufacture of the multiple glazings, upstream of the mounting station glass sheets provided with a sealing bead on the spacer frame, the assembly of each glass sheet with the spacer frame can take place quickly, in the still hot state of the sealing bead. This helps to create an effective and good quality primary barrier between the spacer frame and each glass sheet.
• the method according to the invention can be implemented in a completely automated manner.
• the different glass sheets of the multiple glazing can be received simultaneously in different workstations.
• the method according to the invention can be implemented in a completely automated manner, or in a partially automated manner, or without automation.
• the method according to the invention can operate with a batch treatment of a batch of glass sheets (batch treatment) for different stages of the process, followed by an assembly of several multiple glazings from the batch of sheets of glass. thus prepared, rather than operate by sequence of manufacture of a multiple glazing as described with reference to Figures 5 and 6.
• the deposition of sealing beads on a peripheral portion of a main face of the glass sheets can to be carried out in a grouped manner for a batch of glass sheets (batch butylage) and followed by an assembly of several multiple panes by joining the batch of glass sheets prepared with spacers (batch assembly).
• the glass sheets are preferably in a substantially horizontal position, rather than vertical, in the various workstations of the multiple glazing installation.

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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)

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Publications (1)

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Family Applications (1)

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• 2016
  • 2016-03-31 FR FR1652797A patent/FR3049640A1/fr active Pending
• 2017
  • 2017-03-31 KR KR1020187027665A patent/KR20180123682A/ko not_active Application Discontinuation
  • 2017-03-31 CA CA3015294A patent/CA3015294A1/fr not_active Abandoned
  • 2017-03-31 US US16/089,821 patent/US20200300029A1/en not_active Abandoned
  • 2017-03-31 WO PCT/FR2017/050764 patent/WO2017168106A2/fr active Application Filing
  • 2017-03-31 CN CN201780021726.5A patent/CN109790738A/zh active Pending
  • 2017-03-31 EP EP17721764.3A patent/EP3436654A2/fr not_active Withdrawn
  • 2017-03-31 RU RU2018138006A patent/RU2018138006A/ru not_active Application Discontinuation

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