EP1436481B1 - Isolierglasscheibe und deren herstellungsverfahren - Google Patents

Isolierglasscheibe und deren herstellungsverfahren Download PDF

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Publication number
EP1436481B1
EP1436481B1 EP02790517A EP02790517A EP1436481B1 EP 1436481 B1 EP1436481 B1 EP 1436481B1 EP 02790517 A EP02790517 A EP 02790517A EP 02790517 A EP02790517 A EP 02790517A EP 1436481 B1 EP1436481 B1 EP 1436481B1
Authority
EP
European Patent Office
Prior art keywords
glazing unit
substantially flat
glazing
insulating glazing
glass sheets
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.)
Expired - Lifetime
Application number
EP02790517A
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English (en)
French (fr)
Other versions
EP1436481A1 (de
Inventor
Yves Demars
Jean-Pierre Douche
Jean-Christophe Elluin
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 EP1436481A1 publication Critical patent/EP1436481A1/de
Application granted granted Critical
Publication of EP1436481B1 publication Critical patent/EP1436481B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/02—Doors specially adapted for stoves or ranges
    • F24C15/04—Doors specially adapted for stoves or ranges with transparent panels
    • 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
    • E06B3/67—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light
    • 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
    • E06B3/6621—Units comprising two or more parallel glass or like panes permanently secured together with special provisions for fitting in window frames or to adjacent units; Separate edge protecting strips
    • 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
    • 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
    • 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
    • E06B3/67304—Preparing rigid spacer members before assembly
    • E06B3/67321—Covering spacer elements, e.g. with sealants
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/673—Assembling the units
    • E06B3/67339—Working the edges of already assembled units
    • E06B3/67356—Covering the edges with bands or profiles

Definitions

  • the subject of the invention is an insulating glazing unit and its method of manufacture.
  • a well-known type of insulating glazing unit comprises two sheets of glass which are spaced apart by a gas strip such as air and which are spaced apart and joined together by means of a spacer frame consisting of hollow metal profiles folded or assembled by corner pieces.
  • the profiles are filled with a molecular sieve which has the role of absorbing the water molecules trapped in the air gap at the time of manufacture of the glazing and which would be likely to condense in cold weather, causing the appearance of mist.
  • the spacer frame is bonded to the glass sheets by a butyl rubber elastomer bead applied directly to the profiles by extrusion through a nozzle. Each corner of the spacer frame is also packed at the corner piece with butyl rubber.
  • the elastomeric sealing bead plays a role in temporarily holding the glass sheets.
  • a crosslinkable sealant of the polysulfide or polyurethane type which completes the mechanical assembly of the glass sheets.
  • Butyl rubber mainly has the role of sealing the interior of the glazing with water vapor, while the sealant provides a seal with liquid water or solvents.
  • a disadvantage posed by such manufacture is that of the storage of materials. In order to be operational for any new order placed for insulating glazing, many lots of each material must be available, which does not participate in a simple and fast management as to supply and storage of these materials.
  • the object of the invention is thus to obviate these drawbacks by proposing an insulating glazing whose choice of materials makes it possible to facilitate the management of their manufacturing flow, to simplify assembly operations and to restore the glazing without destroying it, in particular by replacement of the granular molecular sieve and / or reintroduction of gas.
  • the insulating glazing unit which comprises at least two glass sheets spaced by a gas blade, an interlayer for spacing the two glass sheets and having an inner face facing the gas blade and an opposite outer face , as well as sealing means vis-à-vis the interior of said glazing, is characterized in that the interlayer comprises a substantially flat profile that surrounds a first portion of the perimeter of the glazing, this portion may be the entire around, being plated by its inner face against the slices of the glass sheets, and held fixed by securing means, and another non-essentially flat profile which surrounds a second portion of the perimeter of the glazing, this second part not being the entire periphery.
  • This type of profile and its arrangement on the slices of the glazing have the particular advantage of increasing the visibility through the glazing in the parts of its periphery having as a spacer that the substantially flat profile.
  • the major advantage of the invention lies in the advantage of the extreme ease of bonding and takeoff of the substantially flat profile, particularly in order to access the interior of the hollow profile to replace the desiccant molecular sieve it contains; this accessibility is optimal when the hollow section occupies part, but not the entire periphery of the glazing: for example the lower horizontal side, or a fraction only of any rectilinear side. Re-bonding the flat profile after it has been peeled off does not pose a problem with many common material choices.
  • profile in the sense of the invention is meant a non-substantially flat profile, hollow or solid, square section, rectangular or more complex, for example having a lengthwise side substantially corresponding to the thickness of the gas strip.
  • the glazing unit of the invention comprises at least two sheets of glass, including three or more, spaced from each other, each designating both a monolithic glass sheet and a laminated sheet of glass and plastic.
  • the other section comprises at least a portion located outside the space defined by the glass sheets and shaped to fit and / or fixing the glazing in the bay for which it is intended. It is thus conceivable that this outer portion of the other profile forms a tongue along the entire length of the profile, and that this tongue can fit tightly into a groove formed in the frame of the bay, which makes unnecessary subsequent fixation by nailing - or equivalent process - a rod, called pareclose, on this part of the perimeter of the glazing.
  • the interlayer has gas and dust-tightness properties, and liquid water.
  • the sealing means of the substantially flat profile are arranged at least on the outer face, or at least on the inner face of the insert.
  • the outer face of the substantially flat profile advantageously has irregularities capable of ensuring the installation and / or centering and / or fixing of the glazing in the bay for which it is intended. These irregularities may consist of longitudinal striations as obtained by extrusion of thermoplastic or similar process.
  • irregularities may consist of longitudinal striations as obtained by extrusion of thermoplastic or similar process.
  • Figures 7 and 8 stepped ridges with one inclined side and the other right, arranged on inclined ramps and designed to fix the glazing in its frame, with simultaneous centering, by simple pressure. Streaks of this type are well within the present embodiment.
  • the sealing means of the substantially flat profile may consist of a metal coating, preferably of stainless steel or aluminum, which has a thickness of between 2 and 50 microns.
  • the substantially flat profile may be entirely metallic.
  • the substantially flat profile is based on thermoplastic material with or without reinforcing fibers such as cut or continuous glass fibers.
  • This coating can be both on the outside and on the inside of the side of the gas blade. There are advantages to having it preferably on the inside: a lesser thickness will be necessary since it will not need to withstand external shocks or scratches, the thermal bridge at the periphery of the glazing will be reduced, its bonding particularly it is aluminum is perfectly controlled on the glass regardless of the plastic of the profile used, it can finally promote the electrical connection with electrical elements provided inside the glazing.
  • the interlayer has a linear resistance to buckling of at least 400 N / m.
  • the flat profile must have a thickness of at least 0.1 mm when it is entirely made of stainless steel, at least 0.15 mm when it is entirely made of aluminum, and at least 0.25 mm when it is made of thermoplastic material reinforced with reinforcing fibers.
  • the securing means of the interlayer against the glazing are impermeable to water, they are constituted by a glue-type adhesive which withstands stripping stresses of at least 0.45 MPa.
  • the free ends of the substantially flat profile are assembled to surround all or part of the glazing so that one end covers the other, or one end of said other profile, complementary sealing means being intended to seal lateral sections made open by the covering.
  • the free ends of the substantially flat profile have complementary shapes adapted to cooperate mutually to achieve their assembly according to an abutment.
  • Adhesive tape or gas and steam-tight glue will preferably be applied to the abutment area.
  • the insulating glazing may have a complex shape, particularly with curved parts, to which the flat interlayer is perfectly adapted because it can by its flexibility easily marry the curves of the glazing.
  • one and / or the other face of the spacer has formally structured, or integrally attached, functional elements.
  • the studs may in particular serve as retaining elements for fixing braces installed in the gas strip, these braces having a decorative function.
  • these pads are arranged towards the inside of the glazing and according to at least two parallel strips, they can serve as guiding and wedging elements of at least one additional glass sheet for the manufacture of a triple or quadruple glazing. But they can also serve as holding elements of a glass sheet which, thus resting on these elements, allows communication between the different air blades of the glazing.
  • These elements if they have a function towards the outside of the glazing, can also favor the assembly by interlocking, the wedging, the blocking or the assembly of the glazing in the rabbet of the window or with neighboring windows or walls, or still these elements can constitute a way of cooperation with a rail for a sliding door.
  • the spacer may have cavities, double walls may constitute or house features, for example breathing tubes (tubes allowing the balancing of pressures between the inside and outside of the glazing without convection) .
  • the interlayer has at least one hole in order to be able for example to attach a desiccant cartridge, or a gas cartridge so as to fill the space between the glass sheets with gas, also to be able to achieve an equilibrium pressure when the glazing has been manufactured in a place where the atmospheric pressure is different from that of the delivery location, or the hole or holes may allow controlled air circulation between the glass sheets so as to constitute a breathable glazing very useful for example for an oven door.
  • This hole can be made in the substantially flat profile, or in the other profile, or in both, the two holes being advantageously, in the latter case, vis-à-vis one of the other.
  • the hole may be in direct communication with the gas strip, or not (for example when it is a hollow section end section, the sealing is provided by overlapping with a substantially flat profile).
  • the hole can be through or not; thus it can result only from the local absence of the waterproof layer, aluminum or other, but not the underlying layer, possibly permeable to gases.
  • This hole can be obtained by any suitable means of drilling or by an element attached to the profile provided with a punch by drilling at the indicated location, for example by a previously shaped impression on the profile, or by the positioning exact of the reported element thanks to locating bosses previously shaped on the profile as explained above.
  • the piercing footprint may for example be of the type of that arranged in commercial aluminum drink cans; once the drilling is done, the portion of repoussée material remains attached to the profile.
  • the hole has been made for the insertion of the gas, it is then necessary to close it in a sealed manner, for example by a gas-tight strip, which is mechanically fixed against the profile by various means such as using a suitable adhesive and sealing.
  • the tape can be glued by one of its faces against the face of the strip intended to be applied against the perforated profile.
  • the ribbon has on its opposite side a non-stick protective film which allows the application of the strip against the profile to change the position of said strip so as to arrange it correctly on the desired location.
  • a tab is provided laterally to the ribbon, it can be pulled to remove the protective film to discover the adhesive that will ensure the bonding of the strip against the profile.
  • the invention also encompasses a particular glazing unit, in which the edges of said two glass sheets are at least partly offset with respect to each other. It is conceivable that only one side of one of the two sheets protrudes from the corresponding side of the other of the two sheets, the gap space being occupied by said other profile, over the entire length of the side. It is also possible for one of said two sheets of glass to be a laminate whose sheet oriented towards the outside of the glazing is of larger dimensions than the other constituents of the laminate, on the edge of which, on the one hand, as well as on that of the other of said two sheets of glass on the other hand, a substantially flat profile is glued.
  • Another particular insulating glazing according to the invention is distinguished by the fact that at least one of said two sheets of glass has a through-hole, that the edges of this hole are considered to be part of said first part of the periphery of the glazing. , a substantially flat profile being pressed against and sealingly adhered to these edges. If the through hole is a disk, the flat section is shaped as a tube in which, if necessary, the glazing attachment means to a building structure or the like.
  • the interlayer is arranged on the slices of the glass sheets leaves free the inner peripheral surface of the glass sheets close to the slices, while in the prior art, this surface is occupied by the interlayer. It is thus possible to use this free surface to fix elements for example by gluing, such as decorative braces.
  • the fixing is invisible because it is at the level of the rabbet of the window, outside the clear view.
  • the substantially flat profile is present before its introduction in the form of a wound tape which is intended to be unwound, stretched and cut to the desired length, while the glue-type fastening means are deposited on the ribbon stretching by injection means.
  • the desiccant is deposited on the stretching tape during the application of the securing means.
  • the establishment of the substantially flat profile is effected by applying it by compression to a priming point and against the slices of a first side of the glazing, the belting being effected from this point priming and positioning of the ribbon on the corners of the glazing being made for a substantially flat profile based on thermoplastic material by heating its outer face beforehand to help its folding around the corners and marry perfectly their outline .
  • the initiation point is located in a side of the glazing side so as to apply and compress the substantially flat profile simultaneously in two opposite directions, which saves manufacturing time.
  • the priming point may be located rather at an angle of the glazing.
  • the establishment of the substantially flat profile is effected by applying two ribbons by compression at two points of initiation using means of distribution and compression, and the belting s' performs from these points of initiation by translational movements of the glazing and / or distribution means.
  • all glazing manufacturing operations can be performed in a chamber filled with the gas to be contained in the glazing.
  • a gas supply device which is inserted between the two glass sheets to deliver gas while the glazing surround is performed, and which is removed just before the end of the belting.
  • FIG. 1a illustrates a single insulating glazing unit 1 obtained by a manufacturing method which will be described later with regard to its device visible in FIG. 2.
  • the glazing 1 comprises two sheets of glass 10 and 11 spaced apart by a gas strip 12, an insert 2 which serves to space the two sheets of glass and has the role of ensuring the mechanical maintenance of the entire glazing, as well as sealing means 3 for sealing the glazing with liquid water, solvents and water vapor.
  • the insert 2 is in the form of a substantially flat profile approximately 1 mm thick and of substantially parallelepiped section.
  • This profile advantageously has a low mechanical inertia, that is to say that it can be easily wound by having a small winding radius of 10 cm for example.
  • the profile surrounds the perimeter of the glazing. It is arranged in the manner of a ribbon on the slices 10a and 11a of the glass sheets and guarantees the mechanical assembly of the glazing through securing means 4 which ensure its total adhesion to the glass.
  • the profile is rigid enough to perform the mechanical holding function of the two spaced glass sheets. Its rigidity is defined by the very nature of its constituent material, whose linear buckling resistance must be at least 400 N / m.
  • the nature of the material of said profile is also chosen so that during the glass manufacturing process, the profile may have sufficient flexibility for the operation of belting the glass slices, in particular during the curling angles.
  • the spacer is entirely metallic, the material chosen being preferably stainless steel or aluminum. During the process, the edges are bent by means of machines well known to those skilled in the art of processing metal materials.
  • the interlayer In order to guarantee a minimum linear resistance to buckling of 400N / m, the interlayer must have a thickness of at least 0.1 mm for stainless steel and 0.15 mm for aluminum.
  • the interlayer 2 is based on plastic material with or without reinforcement fibers cut or continuous.
  • a material may be styrene acrylonitrile (SAN) associated with cut glass fibers, sold for example under the name LURAN® by BASF, or polypropylene reinforced with continuous glass fibers, sold under the name TWINTEX® by the company VETROTEX.
  • SAN styrene acrylonitrile
  • the interlayer from a combination of materials such as plastic and metal to form for example a spacer with a thickness of plastic material secured to a metal thickness.
  • the desiccant may be a molecular sieve such as zeolite powder, which may be up to 20% by weight or about 10% by volume.
  • the amount of desiccant is a function of the lifetime that we want to assign to the glazing.
  • the plastic material being much less heat-conducting than the metal, the thermal insulation of the entire glazing is only better when the glazing is for example exposed to strong sunlight.
  • the spacer 2 has a thickness of at least 0.2 mm when it is made of thermoplastic material and reinforcing fibers.
  • the width of the spacer 2 is adapted to the total thickness of the glazing which can be multiple by including several glass sheets spaced by gas strips.
  • the interlayer of the invention only requires knowledge of the total width of the glazing and not the separation distances of the glass sheets.
  • the separation distances for a multiple glazing may vary, which necessarily entails in the case of the use of spacers according to those of the state of the art to have available for the manufacture of glazing several interleaves for the different separations, and different widths of inserts according to separation distances.
  • the glazing of the invention with its interlayer disposed on the edges of the glass sheets does not lose rigidity, but on the contrary it is further improved in comparison with a conventional glazing of the prior art presenting its interlayer disposed between the inner faces of the glass sheets.
  • the ratio of the arrows of the glazing of the invention and respectively of a conventional glazing as a function of the thickness has been calculated. of the air knife. For this purpose, is applied to each glazing a given force, is then measured the maximum deflection of each glazing and is then calculated the ratio of the arrows.
  • This ratio equal to the deflection of the usual glazing divided by the deflection of the glazing unit of the invention is always greater than 1, reflecting a better resistance to bending and therefore a better rigidity of the glazing unit of the invention.
  • FIG. 6 illustrates this ratio as a function of the air gap, the spacer considered for the insulating glazing unit of the invention being an aluminum profile of 0.5 mm. We see that the ratio is always greater than 1, and is for example 1.5 for a 12 mm air gap.
  • the insert or profile 2 comprises an inner face 20 and an opposite outer face 21, the inner face 20 being intended to be plated, and maintained, by its edges in the case of a single insulating glazing unit, against the slices 10a and 11a glass sheets through the securing means 4.
  • the inner face 20 of the profile has in its central portion 22 and facing the gas blade 12 the properties of those of a desiccant which aims to absorb the water molecules that can be trapped in the gas blade .
  • These desiccant properties can result from the nature of the interlayer material, whose composition itself incorporates a molecular sieve.
  • the desiccant element will rather be obtained by a deposit of molecular sieve on the central portion 22 before the introduction of the spacer on the slices of the glazing, as we will see in the following description.
  • the edges of the inner face 20 are covered with an adhesive which constitutes the securing means 4.
  • the adhesive is of the glue type; it is impervious to gases, water vapor. Tests carried out in accordance with ASTM 96-63T standard on 1.5 mm thick adhesive samples showed that an adhesive with a water vapor permeability coefficient of 35 g / 24h.m 2 such as silicone is suitable. Of course, an adhesive having a permeability coefficient of 4 g / 24h.m 2, such as polyurethane, or even lower, is more suitable because the seal being further improved, a lesser amount of desiccant is then expected.
  • the adhesive must also withstand the take-off by liquid water, ultraviolet light as well as traction that can be exerted perpendicularly to the faces of the glazing and commonly called shear stresses, and by the pulls exerted parallel to the force of the weight of the glazing .
  • a satisfactory adhesive must withstand stripping stresses of at least 0.45 MPa.
  • the adhesive must for example have a temperature resistance sufficient for the application of glazing to a door of an electric household oven.
  • the adhesive has fast gluing properties, of the order of a few seconds; it is an adhesive which is taken by chemical reaction, whether or not activated by heat or pressure, or is carried out by cooling if the adhesive consists of a hot-melt material of the type hot melt, for example based on polyurethane crosslinkable with the humidity of the air.
  • the outer face 21 of the interlayer made of reinforced plastic material is covered with a metallic protective coating 21a of the type of aluminum or stainless steel strip having a thickness of, for example, between 2 and 50 ⁇ m, this coating constituting the means for sealing 3.
  • a metallic protective coating 21a of the type of aluminum or stainless steel strip having a thickness of, for example, between 2 and 50 ⁇ m, this coating constituting the means for sealing 3.
  • the strip particularly when made of stainless steel, effectively protects the profile against abrasion, for example during its handling or transport. Finally, it promotes the exchange of heat with the thermoplastic material when it comes to soften the latter during the manufacturing process.
  • the metal coating 21a could be large enough to cover the outer face 21 and be folded over the edges of the inner face 20.
  • the hollow section 30 is bonded by the securing means 5 to the slices of the glass sheets 10 and 11.
  • the inner face 20 of the spacer is a delimitation of the gas strip 12, so that the desiccant molecular sieve contained in the hollow profile and not shown is active vis-à-vis the gas blade, through communications 31 -housing, porosity, ...- formed in the inner face 20. If necessary, these communications 31 with the gas strip are released by local removal of a possible sealing layer which would be provided with the profile 30.
  • the communications 31 are smaller than those of the desiccant, frequently in the form of granules, so to retain them in the hollow section 30.
  • the securing means 5 ensure the required seal between the gas strip 12 and the outside atmosphere.
  • the hollow section is disposed on all or part of a rectilinear side of the insulating glazing, in a single section or in several sections of a length indicative of 10 to 15 cm.
  • the hollow section is optionally sealed with a hot-melt material with low moisture transmission, such as polyurethane.
  • a substantially flat profile not shown in Figure 1b is bonded to each of the two end sections of the hollow profile 30, which it thus sealingly closes, possibly in combination with the hot melt material low moisture transmission aforementioned.
  • the flat profile 2 (see FIG. 1a) comprises sealing means, constituted as described above, of an aluminum foil 3, which may be oriented towards the inside of the glazing, the glue 4 being chosen to bond the aluminum to the hollow profile 30 but also to the slices of the glass sheets.
  • This orientation of the sealing means 3 has the advantage of making it possible to conform the external face of the flat profile 2, for example made of plastic, with grooves for fixing the glazing as described in the application EP-745 750 A1 , especially by extrusion.
  • a substantially flat profile 2 provided with its sealing means 3 facing outward surrounds all the periphery of the insulating glass, being adhered to the slices of the glass sheets by the glue 4.
  • the flat profile 2 presents a hole 6 which, for example, could be cut after securing the flat profile to the glass sheets, and possibly after a certain period of use of the glazing resulting therefrom.
  • a hollow profile 30 has therefore here been subsequently bonded to the flat profile 2 by the glue 5.
  • the molecular sieve contained in the hollow of the profile 30 is active vis-à-vis the gas plate 12, with which it communicates through the pores or holes 31 formed in the inner wall 20 of the profile 30 and through the hole 6.
  • the hollow profile 30 can here also be plugged at its ends with a hot melt material with low moisture transmission. Additional sealing means not shown are conveniently used between the flat profile 2 and the hollow profile 30: adhesive tape, injection of materials suitable for closing open side cover sections (see above). These additional means are removable, so that the regeneration of the molecular sieve of the profile 30, possibly after a long period of use of several years, is particularly simplified by the measures of the invention.
  • Figure 1d is shown a variant in which a hollow section 30 is installed integrally in the space defined by two sheets of glass 10 and 11 of an insulating glass, by bonding with a material 5 'able to provide the required seal between the gas slide and the outside atmosphere but on a only part of the periphery of the glazing, preferably on part or all of a rectilinear side of the glazing.
  • a substantially flat non-visible profile covers and is bonded at least on each of the two end sections of the hollow profile 30, so as to ensure or at least contribute to the required seal between the cavity of the hollow profile 30 and the external atmosphere . It suffices to take off a sufficient portion of the flat profile 2 to clear one end of the hollow section 30 to replace the used desiccant it contains, then to re-stick.
  • the glass sheets 10 and 11 are conveyed edge by usual means to a chamber that can enclose the gas to be introduced into the glazing.
  • the glass sheets 10 and 11 are held at the desired spacing by means of suction pads disposed on the outer faces of the glazing and controlled by pneumatic cylinders.
  • Figure 2 schematically illustrates the manufacturing device of the glazing enclosed in the chamber C.
  • a coil 50 constitutes the store of the section 2 which is unwound and stretched, using a non-visible stretching device, in the form of a ribbon which is cut to a length equivalent to the perimeter of the glazing, the width of the ribbon corresponding to the total thickness of the glazing.
  • the adhesive 4 is deposited using injection means 51, such as a nozzle, on the internal face 20 of the ribbon intended to be applied to the edge of the glazing.
  • the ribbon comprises the desiccant inherently on its inner side, the desiccant having been incorporated as a powder or granules to the reinforced thermoplastic material during the manufacture of the profile.
  • the desiccant and the adhesive when it comes to adding the desiccant subsequently to the manufacture of the profile, it is preferable to set up the desiccant and the adhesive during a single operation with the aid of three injection nozzles two lateral nozzles aiming at the edges of the tape for the deposition of the adhesive in order to be facing the slices of the glazing and a central nozzle injecting the desiccant on the central portion 22 of the tape in order to be vis-à-vis -vis the gas blade.
  • At least one pressure roller 54 controlled by a not shown articulated arm performs the application and compression of the ribbon 2 against the edge of the glazing 1 over its entire perimeter. To save time in the operation of belting, it will preferably be provided two rollers 54 which will be driven in two opposite directions and will simultaneously flank two halves of the perimeter.
  • Heating means 55 such as two heating wire resistors are provided for heating the profile before folding and its application at the corners of the glazing.
  • the operation of the device is as follows.
  • the two sheets of glass 10, 11 kept apart are positioned fixed in the center of the chamber C.
  • the two pressure rollers 54 are brought into contact with the tape to apply it to a midpoint of the lower horizontal side of the glazing. Once the ribbon pressed against the wafer of the glazing, the curling is initiated at this midpoint which thus ensures the power of the ribbon.
  • rollers 54 then progress in opposite directions to the lower left 13 and right 14 corners of the glazing.
  • the pressure rollers 54 are again put into operation to fold the profile and properly border the corners 13 and 14 of the glazing. Then the pebbles continue to run around the glazing to the upper corners 15 and 16 of the glazing where the heating operation of the profile is reiterated by means of the heating wires 55.
  • the pinch rollers 54 end to border the last side of the glazing.
  • one of the rollers is stopped while the other roller continues to crush the section until the free end 23 of the profile associated with the roller in operation covers the other end 24 of the profiled section (FIG. 4).
  • the belting operation is then completed, the pressure rollers 54 are released from the glazing.
  • complementary sealing means such as glue are injected so as to close off said sections 25.
  • An unillustrated assembly variant of the two ends of the ribbon may consist not in covering them but in abutting them to one another when they comprise complementary shapes adapted to cooperate mutually, in the manner of a tenon and of a mortise.
  • glue or water and vapor-tight adhesive tape such as stainless steel tape, will be added to the butting area.
  • junction of the two ends of the ribbon is performed on one side of the glazing, it is also possible to alternatively make this junction at an angle of the glazing.
  • the glazing entered in the chamber C which is not illustrated here, is disposed between the position 1 corresponding to the front of the glazing and the position 2 corresponding to the rear of the glazing.
  • the movable head 56b starts at a lower angle of the glazing corresponding to the position 1, and is actuated upwards to follow the vertical front side of the glazing.
  • the head 56b rotates 90 ° and is immobilized, the two heads being then vis-à-vis.
  • the glazing is then translated from left to right, that is to say that the rear of the glazing goes from the position 2 to the position 1, so as simultaneously perform the belting of the horizontal sides of the glazing by respectively each of the heads ( Figure 5b).
  • This combination of translational movement of the glazing and at least one ribbon dispensing head saves time to surround the glazing.
  • a gas supply device such as a pipe which is inserted between the two glasses and which delivers gas as the edges of the glazing are girdled and sealed. The device is removed just before closing the last side of the glazing.
  • the profile of the invention has a generally flat and parallelepipedal shape, nevertheless alternative embodiments are possible. It may for example be envisaged to provide the inner face 20 of the profile opposite to that comprising the metal coating, centering and positioning means such as longitudinal projections or lugs regularly distributed along two longitudinal lines spaced by a width equivalent to the separation of the two glass sheets so as to guide and properly position the profile against the edge of the glazing, the projections or lugs inserting inside the glazing and being pressed against the inner walls.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Glass Compositions (AREA)
  • Inorganic Insulating Materials (AREA)
  • Electronic Switches (AREA)
  • Wing Frames And Configurations (AREA)
  • Laminated Bodies (AREA)

Claims (32)

  1. Isolierverglasung, die mindestens zwei Glasscheiben (10, 11), die durch eine Gasfüllung (12) beabstandet sind, und eine Zwischenlage (2) umfasst, die dazu dient, die zwei Glasscheiben voneinander zu beabstanden, und eine Innenseite (20) auf der der Gasfüllung zugewandten Seite und eine gegenüberliegende Außenseite (21) sowie Dichtungsmittel (3) gegenüber dem Inneren der Verglasung aufweist, dadurch gekennzeichnet, dass die Zwischenlage (2) ein im Wesentlichen flaches Profil, das einen ersten Teil des Umfangs der Verglasung, der auch der gesamte Umfang sein kann, umgreift, wobei es sich mit seiner Innenseite (20) an die Ränder (10a, 11a) der Glasscheiben andrückt und von Befestigungsmitteln (4) festgehalten wird, und ein im Wesentlichen nicht flaches anderes Profil, das einen zweiten Teil des Umfangs der Verglasung umgreift, der nicht der gesamte Umfang ist, umfasst.
  2. Isolierverglasung nach Anspruch 1, dadurch gekennzeichnet, dass das andere Profil mit seiner Innenseite (20) an die Ränder (10a, 11a) der Glasscheiben angedrückt wird.
  3. Isolierverglasung nach Anspruch 1, dadurch gekennzeichnet, dass das andere Profil sich wenigstens teilweise zwischen den Glasscheiben (10, 11) befindet.
  4. Isolierverglasung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das andere Profil wenigstens einen Teil umfasst, der sich außerhalb des Zwischenraums befindet, der von den Glasscheiben (10, 11) begrenzt wird, und eine Form hat, die insbesondere an das Verkeilen und/oder Befestigen der Verglasung in der Öffnung, für welche sie vorgesehen ist, angepasst ist.
  5. Isolierverglasung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Zwischenlage (2) Eigenschaften aufweist, die sie gegenüber Gas, Staub und flüssigem Wasser dicht sein läßt.
  6. Isolierverglasung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Dichtungsmittel (3) des im Wesentlichen flachen Profils wenigstens auf der Außenseite (21) der Zwischenlage angeordnet sind.
  7. Isolierverglasung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Dichtungsmittel (3) des im Wesentlichen flachen Profils wenigstens auf der Innenseite (20) der Zwischenlage angeordnet sind.
  8. Isolierverglasung nach Anspruch 7, dadurch gekennzeichnet, dass die Außenseite (21) des im Wesentlichen flachen Profils Unregelmäßigkeiten aufweist, die in der Lage sind, das Anbringen und/oder Zentrieren und/oder Befestigen der Verglasung in der Öffnung, für welche sie vorgesehen ist, sicherzustellen.
  9. Verglasung nach Anspruch 8, dadurch gekennzeichnet, dass die Unregelmäßigkeiten aus Längsstreifen bestehen, wie sie durch Extrudieren eines Thermoplasts oder durch ein ähnliches Verfahren erhalten werden.
  10. Verglasung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die eine und/oder andere Seite (20, 21) der Zwischenlage Funktionselemente aufweist, die durch Formgebung strukturiert oder fest angesetzt worden sind.
  11. Verglasung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein Teil der Zwischenlage einer Korrosionsschutzbehandlung, einer Anstrichstoff- bzw. Lackierbehandlung oder einer Markierung durch Bedrucken unterzogen worden ist.
  12. Isolierverglasung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Dichtungsmittel (3) des im Wesentlichen flachen Profils von einer Metallbeschichtung (21a) gebildet werden.
  13. Isolierverglasung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass das im Wesentlichen flache Profil vollständig metallisch und insbesondere aus rostfreiem Stahl mit einer Dicke von mindestens 0,10 mm bzw. aus Aluminium mit einer Dicke von mindestens 0,15 mm oder aus einem Thermoplast, der gegebenenfalls Verstärkungsfasern, insbesondere endlose oder Kurzglasfasern, umfasst, wobei seine Dicke in diesem Fall mindestens 0,2 mm beträgt, ist.
  14. Isolierverglasung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das im Wesentlichen flache Profil eine lineare Knickfestigkeit von mindestens 400 N/m aufweist.
  15. Isolierverglasung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Befestigungsmittel (4) für Wasserdampf und Gas undurchlässig sind.
  16. Isolierverglasung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Befestigungsmittel (4) von einem Haftmittel vom Typ Klebstoff gebildet werden.
  17. Isolierverglasung nach Anspruch 15, dadurch gekennzeichnet, dass das Haftmittel Spannungen beim Herausreißen von mindestens 0,45 MPa widersteht.
  18. Isolierverglasung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das im Wesentlichen flache Profil zwei freie Enden (23, 24) umfasst, die miteinander verbunden sind, um die Gesamtheit oder einen Teil der Verglasung derart zu umgreifen, dass eines der Enden das andere oder ein Ende des anderen Profils bedeckt, wobei komplementäre Dichtungsmittel vorgesehen sind, um seitliche Abschnitte (25), die durch die Bedeckung gebildet worden sind, zu verschließen.
  19. Isolierverglasung nach einem der Ansprüche 1 bis 17, dadurch gekennzeichnet, dass das im Wesentlichen flache Profil zwei freie Enden (23, 24) umfasst, die komplementäre Formen aufweisen, die geeignet sind, gegenseitig zusammenzuwirken, um ihr Aneinanderfügen zu realisieren, um die gesamte Verglasung zu umgreifen.
  20. Isolierverglasung nach Anspruch 19, dadurch gekennzeichnet, dass ein Klebeband oder Klebstoff, das (der) gasdicht und wasserdampfdicht ist, auf den Fügebereich aufgebracht wird.
  21. Isolierverglasung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie eine insbesondere mit gekrümmten Teilen versehene komplexe Form aufweist.
  22. Isolierverglasung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Zwischenlage (2) ein Trocknungsmittel enthält und/oder Regelungsmittel, elektrische Anschluss- und mechanische Transmissionsmittel umfasst und/oder eine in der Gasfüllung angebrachte Jalousie und/oder ein Mittel zum Messen des Feuchtigkeitsgrades und/oder welches dazu dient, in der Gasfüllung angebrachte Armkreuze zu befestigen, integriert ist.
  23. Isolierverglasung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Zwischenlage (2) mindestens ein Loch enthält.
  24. Isolierverglasung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Ränder der zwei Glasscheiben wenigstens teilweise gegeneinander versetzt sind.
  25. Isolierverglasung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass mindestens eine der zwei Glasscheiben ein Durchgangsloch enthält, und dass die Ränder dieses Lochs als solche betrachtet werden, dass sie Bestandteil des ersten Teils des Umfangs der Verglasung sind, wobei ein im Wesentlichen flaches Profil an diese Ränder angedrückt und dicht mit diesen verklebt wird.
  26. Verfahren zur Herstellung einer Isolierverglasung nach einem der Ansprüche 1 bis 25, dadurch gekennzeichnet, dass:
    - das andere Profil, das gegebenenfalls mit seinen Mitteln (5; 5') zur Befestigung an der Verglasung versehen ist, mit den zwei Glasscheiben (10, 11), die parallel und voneinander beabstandet gehalten werden, verbunden wird,
    - die Innenseite (20) des im Wesentlichen flachen Profils, das mit Befestigungsmitteln (4) versehen ist, auf den Rändern (10a, 11a) der Glasscheiben und gegebenenfalls auf der Außenseite (21) des anderen Profils angeordnet wird,
    - fast sofort während des Anordnens des im Wesentlichen flachen Profils auf seiner Außenseite (21) Druckmittel (54) derart angebracht werden, dass seine Haftung mit den Rändern der Glasscheiben und gegebenenfalls mit dem anderen Profil sichergestellt wird, und
    - die zwei Enden (23, 24) des im Wesentlichen flachen Profils entweder miteinander oder jedes mit einem Ende des anderen Profils fest verbunden wird (werden).
  27. Verfahren zur Herstellung einer Isolierverglasung nach Anspruch 26, dadurch gekennzeichnet, dass das im Wesentlichen flache Profil vor seiner Anbringung in Form eines aufgewickelten Bandes (50) vorliegt, das vorgesehen ist, abgewickelt, gezogen und auf die gewünschte Länge zugeschnitten zu werden, während die Befestigungsmittel (4) vom Typ Klebstoff auf das Band während dessen Ziehens durch Spritzmittel (51) aufgebracht werden.
  28. Verfahren zur Herstellung einer Isolierverglasung nach Anspruch 27, dadurch gekennzeichnet, dass auf das Band, das gezogen wird, während des Anbringens der Befestigungsmittel (4) ein Trocknungsmittel aufgebracht wird.
  29. Verfahren zur Herstellung einer Isolierverglasung nach einem der Ansprüche 26 bis 28, dadurch gekennzeichnet, dass eine Einrichtung für das Einleiten eines Gases zwischen den zwei Glasscheiben eingebaut vorgesehen ist, um das Gas bereitzustellen, während das Umfassen der Verglasung durchgeführt wird, und dass sie unmittelbar vor dem Abschluss des Umfassens wieder entfernt wird.
  30. Verfahren zur Herstellung einer Isolierverglasung nach einem der Ansprüche 1 bis 25, dadurch gekennzeichnet, dass:
    - die zwei Glasscheiben parallel und beabstandet gehalten werden,
    - die Innenseite (20) des im Wesentlichen flachen Profils, das mit Befestigungsmitteln (4) versehen ist, auf den Rändern (10a, 11a) der Glasscheiben auf dem gesamten Umfang der Verglasung angeordnet wird,
    - fast sofort während des Anordnens des im Wesentlichen flachen Profils auf seiner Außenseite (21) Druckmittel (54) derart angedrückt werden, dass seine Haftung mit den Rändern der Glasscheiben sichergestellt wird,
    - nach dem Umfassen der gesamten Verglasung die zwei Enden (23, 24) des im Wesentlichen flachen Profils fest verbunden werden und
    - ein Loch (6), das von dem im Wesentlichen flachen Profil gezeigt wird, mittels eines anderen Profils (30) dicht verschlossen wird, wobei das Loch (6) gegebenenfalls durch Annäherung des im Wesentlichen flachen Profils und des anderen Profils, das für diesen Effekt ausgebildet worden ist, geschaffen worden ist.
  31. Isolierverglasung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das im Wesentlichen flache Profil eine im Wesentlichen parallelepipedische Form hat und gegebenenfalls Funktionselemente umfasst, die durch Formgebung strukturiert oder fest angesetzt worden sind.
  32. Verglasung nach Anspruch 31, dadurch gekennzeichnet, dass das Profil auf einer seiner Hauptseiten (20) Mittel zum Zentrieren und Positionieren der Zwischenlage auf der Verglasung umfasst.
EP02790517A 2001-10-17 2002-10-16 Isolierglasscheibe und deren herstellungsverfahren Expired - Lifetime EP1436481B1 (de)

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FR0113354 2001-10-17
FR0113354A FR2830897B1 (fr) 2001-10-17 2001-10-17 Vitrage isolant et son procede de fabrication
PCT/FR2002/003533 WO2003040507A1 (fr) 2001-10-17 2002-10-16 Vitrage isolant et son procede de fabrication

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FR3046415A1 (fr) * 2015-12-31 2017-07-07 Saint Gobain Procede et installation de fabrication d'un vitrage isolant
US10443300B2 (en) 2016-04-05 2019-10-15 Saint-Gobain Glass France Insulating glass unit for a refrigeration unit
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JP4515764B2 (ja) 2010-08-04
ES2300495T3 (es) 2008-06-16
HUP0401852A2 (hu) 2005-01-28
BR0212563B1 (pt) 2012-06-26
RU2004114854A (ru) 2005-10-27
PL209355B1 (pl) 2011-08-31
CN1571876A (zh) 2005-01-26
US7332202B2 (en) 2008-02-19
HU228041B1 (en) 2012-09-28
PT1436481E (pt) 2008-04-22
FR2830897A1 (fr) 2003-04-18
JP2005508280A (ja) 2005-03-31
DE60224695D1 (de) 2008-03-06
ATE384188T1 (de) 2008-02-15
CA2463728A1 (fr) 2003-05-15
CN1312374C (zh) 2007-04-25
DE60224695T2 (de) 2009-01-15
US20050003116A1 (en) 2005-01-06
KR20040054714A (ko) 2004-06-25
WO2003040507A1 (fr) 2003-05-15
DK1436481T3 (da) 2008-07-07
RU2293168C2 (ru) 2007-02-10
PL368239A1 (en) 2005-03-21
CA2463728C (fr) 2010-04-13
NO327704B1 (no) 2009-09-14
FR2830897B1 (fr) 2006-11-17
BR0212563A (pt) 2004-12-28
EP1436481A1 (de) 2004-07-14

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