EP3402956B1 - Abstandshalter für isolierverglasung - Google Patents
Abstandshalter für isolierverglasung Download PDFInfo
- Publication number
- EP3402956B1 EP3402956B1 EP16829301.7A EP16829301A EP3402956B1 EP 3402956 B1 EP3402956 B1 EP 3402956B1 EP 16829301 A EP16829301 A EP 16829301A EP 3402956 B1 EP3402956 B1 EP 3402956B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spacer
- profile
- tubular portion
- housing
- insulating glazing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
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- 238000011049 filling Methods 0.000 description 53
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- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
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- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
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- SCUZVMOVTVSBLE-UHFFFAOYSA-N prop-2-enenitrile;styrene Chemical compound C=CC#N.C=CC1=CC=CC=C1 SCUZVMOVTVSBLE-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
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- 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
- E06B3/66366—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
- E06B3/67304—Preparing rigid spacer members before assembly
-
- 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
- E06B3/67317—Filling of hollow spacer elements with absorbants; Closing off the spacers thereafter
-
- 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
- E06B2003/6638—Section members positioned at the edges of the glazing unit with coatings
-
- 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
- E06B3/66361—Section members positioned at the edges of the glazing unit with special structural provisions for holding drying agents, e.g. packed in special containers
Definitions
- the present invention relates to a spacer for insulating glazing and to an insulating glazing comprising a spacer frame formed by assembling several spacers.
- the invention also relates to a method of manufacturing a spacer for insulating glazing.
- insulating glazing can be obtained by joining a rigid spacer frame to the periphery of two sheets of glass using sealing cords and by applying an external sealing barrier around the entire outer circumference of the spacer frame between the two glass sheets, so as to maintain the glass sheets between them and on the spacer frame.
- the spacer frame comprises a desiccant material in its interior volume, in order to ensure dehydration of the or each cavity formed between the sheets of glass of the insulating glazing.
- the spacer frame is conventionally manufactured either by successive bending of a straight section of ductile material such as aluminum, or by angular assembly at their ends of four straight sections, so as to obtain a rectangular frame.
- the filling of the spacer frame with the desiccant material is generally carried out just before the closing of the frame, in particular at the level of a last open corner of the frame, in order to prevent any leakage of the desiccant material.
- the assembly of the spacer frame is not carried out directly on the insulating glazing manufacturing line, but on an independent island. Filling with desiccant material when it takes place at the time of closing the spacer frame cannot therefore be integrated in line.
- filling with desiccant material when the spacer frame is closed is not suitable when the spacer frame is assembled around at least one central sheet of glass, as is the case for glazing multiple with spacers as described in US 2012/0141699 A1 . Indeed, there is then a risk of damage to the central sheet of glass by the filling device with desiccant material.
- the filling of the cavity of an insulating glazing with gas is conventionally done through a through orifice formed in the spacer frame.
- the installation of such a through hole in the spacer frame generates a risk of leakage of desiccant material and pollution of the insulating glazing with the desiccant material when filling the cavity of the insulating glazing with gas through the orifice crossing.
- US 4,407,105A discloses another spacer frame for insulating glass.
- the invention more particularly intends to remedy by proposing a spacer for insulating glazing, the manufacture of which, including the filling with desiccant material, can be carried out in line, this spacer being compatible with an assembly of the spacer frame around at least one central sheet of glass and making it possible to simplify the method of filling the cavity of an insulating glazing unit with gas comprising the spacer, without the risk of leakage of desiccant material or of pollution of the insulating glazing unit with the desiccant material .
- the subject of the invention is a spacer for insulating glazing, comprising a profile which comprises at least one tubular part defining a housing for receiving desiccant material, where the housing opens out at two ends of the tubular part, the housing being closed near each end of the tubular part by means of a plug and comprising a desiccant material between the two plugs, at least one of the plugs being offset longitudinally inside the housing with respect to the corresponding end of the tubular part, where the tubular part comprises a through hole, intended for the passage of gas between a cavity of the insulating glazing and the exterior of the insulating glazing for filling and/or evacuating gas from the cavity, which is provided in a section of the tubular part between an offset plug and the corresponding end of the tubular part, where the through orifice opens into two walls of the part tubular intended to extend transversely relative to the glass sheets of the insulating glazing, with a wall intended to be directed towards the cavity of the insulating glazing and a wall intended to
- a profile is a piece of straight volume, that is to say generated by straight lines.
- the invention is concerned with straight rigid spacers, intended to be assembled angularly at their ends with other similar spacers to form an insulating glazing spacer frame, as opposed in particular to flexible spacer cords which can be extruded directly onto a glass sheet of insulating glazing with a change in direction of the extrusion head in the corners.
- the invention takes advantage of the fact that the section between an offset stopper and the corresponding end of the tubular part is empty, without desiccant material in its interior volume, in order to provide there a through orifice for filling and/or evacuation of gas from a cavity of the insulating glazing.
- the arrangement of the through hole in a section between an offset plug and the corresponding end of the tubular part makes it possible, when drilling the profile of the spacer, to avoid any risk of leakage of the desiccant material through the through hole.
- this arrangement allows the cavity of the insulating glazing to be filled with gas through the through-hole without the risk of pollution of the insulating glazing with the desiccant material, since the desiccant material is confined to the rear of the cap delimiting the section. This results in a simplification of the process for filling the cavity of the insulating glazing with gas comprising a spacer according to the invention, and therefore a reduction in manufacturing costs.
- each cavity of the insulating glass between the sheets of glass can be filled with air.
- each cavity of the insulating glazing comprises a layer of insulating gas, which replaces the air between the sheets of glass.
- gases used to form the layer of insulating gas in each cavity of the insulating glazing include, in particular, argon (Ar), krypton (Kr), xenon (Xe).
- the layer of insulating gas in each cavity of the insulating 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 exposure to ultraviolet radiation.
- the steps for manufacturing the spacer can be carried out in line, on an insulating glazing production line.
- a spacer according to the invention which is filled with desiccant material prior to its assembly with other similar spacers, can be easily manipulated by an operator or a robot to form a spacer frame, without risk of the material leaking. desiccant since it is confined between two plugs inside each tubular part.
- the fact that the spacer is pre-filled with desiccant material also allows its use for assembling a spacer frame around at least one central sheet of glass, as may be required for the manufacture of multiple glazings having at least at least three sheets of glass, avoiding the need to fill the frame with desiccant material after its assembly around the central sheet of glass.
- the spacer pre-filled with desiccant material according to the invention can advantageously be manufactured just before its implementation in insulating glazing, which limits the prior absorption of humidity by the desiccant material and improves the quality of the insulating glazing.
- the or each tubular part of the spacer comprises two side walls, which are each intended to be adjacent to a sheet of glass of the insulating glazing, and two transverse walls, which are intended to extend transversely with respect to the glass sheets of the insulating glazing being one directed towards a cavity of the insulating glazing and the other directed towards the exterior of the insulating glazing.
- the housing for receiving desiccant material is delimited by the side and transverse walls.
- the transverse wall which is directed towards the cavity of the insulating glazing is provided with a plurality of perforations on its part between the two closing plugs of the housing, so as to put in communicating the desiccant material with the air or gas inside the cavity.
- the desiccant material can thus absorb the humidity contained in the cavity and prevent the formation of mist between the glass sheets of the insulating glazing.
- the through hole is provided with a shutter allowing the injection of gas into the cavity of the insulating glazing from the outside, using a gas injection element which passes through the shutter from the outside, such as a nozzle or a syringe, the obturator being moreover designed to prevent the exit of the gas from the cavity once the cavity is filled.
- a gas injection element which passes through the shutter from the outside, such as a nozzle or a syringe
- the obturator being moreover designed to prevent the exit of the gas from the cavity once the cavity is filled.
- Such a shutter forming a gas filling valve may for example have a structure comprising a valve and a seat, where the valve is moved away from the seat when the gas injection element is introduced into the shutter, for example by deformation of one or the other of the damper or the seat, which allows the filling of the cavity of the insulating glazing with gas from the outside, while a gastight cooperation is established between the seat and the damper when the gas injection element is withdrawn, which makes it possible to prevent the exit of the gas from the cavity once the cavity is filled.
- the member among the valve or the seat which is deformed when the gas injection element is introduced into the shutter can in particular be made of a shape memory material. Examples of shape-memory materials include in particular shape-memory alloys such as nickel-titanium alloys, or shape-memory polymers such as polyurethanes.
- such a shutter forming a gas filling valve can comprise at least one part based on a self-healing material, which allows the passage of the gas injection element through the shutter for the gas filling of the cavity of the insulating glazing from the outside, and which heals when the gas injection element is removed, which prevents the exit of the gas from the cavity of the insulating glazing once the cavity is filled.
- self-healing material is meant a material capable of self-repairing after having been damaged by perforation, in particular by regaining all of its gas-tightness properties.
- a self-healing material regains its original configuration identically before drilling, through a physico-chemical process guaranteeing tightness even under high pressure differences.
- the self-healing is quasi-instantaneous in order to achieve a very rapid obturation after the removal of the gas injection element.
- the self-healing material can in particular be chosen from multifunctional fatty acids, monomers or acrylic polymers, polyurethanes and copolymers based on polyethers, preferably di-block polymers based on polyethers for which the mobility of the polymer chains allows rapid self-healing even at low temperatures.
- the shutter of each through hole of the spacer is chosen with a color of its visible parts on the surface of the spacer which is substantially identical to the color of the profile of the spacer, so as to give the spacer the most aesthetic visual aspect possible.
- the or each section of the tubular part between an offset stopper and the corresponding end of the tubular part has a length of the order of 2 cm to 5 cm.
- a length of the order of 2 cm to 5 cm is available.
- the distance between the offset plug and the through hole is of the order of 0.5 cm to 1.5 cm.
- the through hole has a diameter of less than or equal to 1 cm, preferably of the order of 5 mm.
- the profile of the spacer comprises at least two tubular parts and a groove delimited between the two tubular parts, the groove being intended to receive an edge of a central sheet of glass, each tubular part defining a housing for receiving desiccant material which opens at the level of two ends of the tubular part, the housing of each tubular part being closed in the vicinity of each end of the tubular part by means of a stopper and comprising a desiccant material between the two plugs, at least one of the plugs of each tubular part being offset longitudinally inside the housing relative to the corresponding end of the tubular part.
- Such a spacer structure with at least two tubular parts allows the manufacture of multiple glazings having at least three sheets of glass.
- a spacer profile with two tubular parts and a groove is suitable for the manufacture of triple glazing, where two external glass sheets are positioned on either side of the spacer, while a sheet of central glass is received in the groove of the spacer.
- a spacer profile with three tubular parts and two grooves is suitable for the manufacture of a four-sheet insulating glass unit, where two outer glass sheets are positioned on either side of the spacer, while two central glass sheets are each received in a respective groove of the spacer.
- Similar configurations of insulating glazing with more than four sheets of glass can of course be obtained by increasing the number of tubular parts and therefore of grooves capable of receiving a central sheet of glass.
- the plugs of the two tubular parts are both offset longitudinally inside the housing with respect to the corresponding end of the tubular part. It is then possible, in the vicinity of this end of the profile of the spacer where the plugs are both offset, to provide two through holes each intended for the passage of gas between a cavity of the insulating glazing and the outside of the insulating glazing to the filling and/or the evacuation of the cavity, each through-orifice being provided in one of the two tubular parts, at the level of the section which is comprised between the offset stopper and the corresponding end of the tubular part.
- the two through holes are juxtaposed, so that they can be created by means of the same piercing device, which comprises either a piercing member movable between the positions of the two through holes, or two juxtaposed piercing members .
- the two through holes allow gas to be filled and/or evacuated from the two cavities of the insulating glazing located on either side of the central sheet of glass.
- each of the two through holes of the spacer is provided with a shutter allowing the injection of gas into the corresponding cavity of the insulating glazing from the outside, using a gas injection element which passes into the obturator from the outside, such as a nozzle or a syringe, the obturator being moreover designed to prevent the exit of the gas from the cavity once the cavity is filled.
- the spacer comprises a gasket positioned in the groove to receive the edge of the central sheet of glass.
- the groove may have a width greater than the thickness of the central sheet of glass.
- the gasket serves to fix the central sheet of glass in the groove, while making it possible to compensate for any variations in thermal expansion of the central sheet of glass. A stress-free fixing of the central glass sheet in the groove is thus ensured.
- the reduction of the stresses applied to the central sheet of glass makes it possible to reduce the thickness and the weight of this sheet of glass, compared to those used in insulating glazing where the central sheet of glass is fixed on the periphery. of the spacer instead of being received in a groove.
- the set up of a gasket in the groove also makes it possible to adapt the spacer to different possible thicknesses of the central glass sheet. It is thus possible to use the same model of spacer to manufacture insulating glazing units having central glass sheets of different thicknesses, without requiring the production of spacers with a range of different groove widths, which is advantageous in terms of production costs.
- the gasket is configured to allow balancing by gas circulation between the cavities of the insulating glazing located on either side of the central sheet of glass.
- the gasket positioned in the groove of each spacer acts as a mechanical and acoustic damper, in particular during the insertion of the edges of the central sheet of glass into the grooves of the spacers to form a spacer frame around of the central sheet of glass.
- the packing can be supplied continuously along the length of the groove or discontinuously.
- the lining is based on an elastomeric material, in particular ethylene-propylene-diene rubber (EPDM).
- EPDM ethylene-propylene-diene rubber
- the trim can be obtained in one piece with the spacer profile by coextrusion.
- the assembly comprising the profile of the spacer and the gasket positioned in the groove can be obtained in a single piece by injection molding of two polymer materials.
- the profile of the spacer according to the invention can be made of metal and/or of polymer material.
- metallic materials suitable for the spacer profile include, in particular, aluminum or stainless steel.
- suitable polymeric materials for the spacer profile include, but are not limited to, 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 poly
- the profile of the spacer can be based on polypropylene comprising a reinforcement consisting of a stainless steel film.
- the profile of the spacer is advantageously reinforced with fibres, in particular glass or carbon fibres.
- the profile of the spacer comprises a heat insulating coating on its surface intended to be directed towards the outside of the insulating glazing.
- It may be, in particular, a multilayer coating comprising at least one polymer layer as well as a metallic layer or a ceramic layer.
- the thickness of the or each polymer layer is then preferably between 5 ⁇ m and 80 ⁇ m, while the thickness of the metallic layers and/or of the ceramic layers is between 10 nm and 200 nm.
- This insulating coating reduces the transfer of heat through the spacer profile to the cavities of the insulating glazing.
- each plug of the spacer is formed by injecting a polymer material into the housing of the tubular part.
- each stopper is made of an elastic and resistant polymer material such as polyisobutylene, also called butyl, or thermofusible butyl, also called hotmelt butyl.
- polyisobutylene also called butyl
- thermofusible butyl also called hotmelt butyl.
- stoppers made of butyl or butyl hotmelt also exhibit good water vapor and gas tightness.
- the desiccant material may be any material capable of ensuring dehydration of the air or of the layer of gas present in the cavities of the insulating glazing between the sheets of glass, chosen in particular from molecular sieve, silica gel, CaCl 2 , Na 2 S0 4 , activated carbon, zeolites, and/or a mixture thereof.
- the desiccant material is molecular sieve or silica gel.
- the absorption capacity of these desiccant materials is greater than 20% of their weight.
- the use of a desiccant material in fluid form, in particular in powder form or in granular form allows the filling of the housing of each tubular part of the spacer by flow by gravity of the desiccant material in the housing.
- each end of the profile of the spacer is bevelled, so that the spacer is capable of being assembled angularly with a similar spacer.
- any bevel angle of the ends of the sections is possible, in particular a bevel angle of 45° corresponding to a mitred assembly, but also any other bevel angle.
- the invention also relates to a spacer frame for insulating glazing comprising four spacers which are assembled angularly at their ends, at least one of the spacers being as described above.
- the spacer frame comprises four spacers as described above.
- the spacer frame comprises a first spacer and a second spacer which are assembled angularly at their ends, where each of the first and second spacers comprises a through orifice made in a section of the tubular part between a offset cap and the corresponding end of the tubular part, such that, in at least one configuration where the plane of the spacer frame is substantially vertical, the through hole of the first spacer is in the low position while the through hole of the second spacer is in the up position.
- Such an arrangement of two through-holes in the spacer frame is advantageous for filling each cavity of the insulating glazing with an insulating gas denser than air, by injecting the insulating gas into the cavity through the through-hole located in position low and evacuation of the air present in the cavity through the through hole located in the high position.
- the invention also relates to an insulating glazing comprising a spacer frame positioned between two outer sheets of glass, where the spacer frame is formed from four spacers which are assembled angularly at their ends, at least one of the spacers being such that described above.
- the spacer frame is formed from four spacers as described above.
- the spacer frame is conventionally secured to the periphery of the two outer sheets of glass using a peripheral seal, in the form of a bead of mastic generally based on polyisobutylene, or butyl, which is particularly efficient in terms of water vapor and gas tightness.
- a peripheral seal in the form of a bead of mastic generally based on polyisobutylene, or butyl, which is particularly efficient in terms of water vapor and gas tightness.
- Maintaining the glass sheets together and on the spacer frame is provided by an outer sealing barrier, which is applied over the entire outer periphery of the spacer frame between the two outer glass sheets.
- the outer sealing barrier can be formed, in particular, from a resin chosen from polysulphides, polyurethanes, silicones, thermofusible butyls, or hotmelt butyls, and combinations or mixtures thereof.
- the profile of the spacer is pierced, in particular by means of a drill, so as to create a through orifice for the passage of gas in a section of the tubular part intended to be between an offset plug and the corresponding end of the tubular part, where the through hole opens into two walls of the tubular part provided to extend transversely between the two outer glass sheets of the insulating glazing.
- this step of piercing the profile of the spacer can take place before or after the step of closing off using a plug of the housing in the vicinity of the corresponding end of the tubular part.
- the housing of each tubular part is closed in the vicinity of the first end of the profile using a first offset plug and the profile of the spacer is pierced so as to create a through hole for the passage of gas in the section of each tubular part intended to be between the first offset plug and the corresponding end of the tubular part, individually for each profile, the order of the sealing and drilling steps being arbitrary; then the desiccant material is inserted into the housing of each tubular part of the profile from the second end of the profile and the housing of each tubular part is closed in the vicinity of the second end of the profile using the second plug, collectively to several profiles.
- a shutter is positioned in the through hole, before filling the insulating glazing with gas, allowing gas to be injected into the corresponding cavity of the insulating glazing from the outside, using a damper element.
- the profile of the spacer is obtained by cutting an initial profile to the desired length of the spacer, using a tool such as a cutter.
- each end of the profile of the spacer is shaped according to a beveled shape with the same tool as that used to cut the profile to the desired length of the spacer.
- each stopper is put in place by injecting a polymer material into the housing of the tubular part.
- each stopper is made of an elastic and resistant polymer material, such as butyl or butyl hotmelt, having sufficient stability not to flow in an uncontrolled manner into the housing of the tubular part.
- the insertion of the desiccant material into the housing from the second end of the profile of the spacer is advantageously carried out by flow by gravity of the desiccant material in the housing.
- the invention also relates to a method for manufacturing an insulating glazing comprising steps for manufacturing a spacer as described above.
- the manufacturing steps of each spacer of the insulating glazing are carried out in line, on an insulating glazing production line.
- each spacer of the insulating glazing is manufactured just before its implementation in the manufacture of the insulating glazing, which limits the prior absorption of humidity by the desiccant material and improves the quality of the insulating glazing. .
- this installation for manufacturing spacers is integrated into an insulating glazing production line.
- the spacer 1 is formed by a profile 2 comprising a single tubular part 4, which defines a housing 5 for receiving desiccant material 6.
- the housing 5 opens out at the level of the two ends 4A and 4B of the tubular part 4, which correspond at the ends 2A and 2B of profile 2.
- profile 2 is made of styrene-acrylonitrile (SAN) copolymer, reinforced with approximately 35% glass fibers.
- SAN styrene-acrylonitrile
- the spacer 1 of this first embodiment can be implemented in an insulating glazing 10 of the double glazing type, as shown in the picture 2 , comprising two outer glass sheets 12 and 14 secured at their periphery with a spacer frame formed by assembling several spacers 1.
- the tubular part 4 of the spacer 1 comprises two side walls 43 and 45 which, in the insulating glazing 10, are adjacent respectively to the sheet of glass 12 and to the sheet of glass 14, and two transverse walls 44 and 46 which , in the insulating glazing 10, extend transversely relative to the glass sheets 12 and 14, with the wall 44 directed towards the internal cavity 17 of the insulating glazing and the wall 46 directed towards the outside of the insulating glazing.
- the profile 2 is provided with a heat insulating coating 22 on the outer surface of the transverse wall 46 intended to be directed outwards.
- the connection between each sheet of glass 12 or 14 and the adjacent wall 43 or 45 of the spacer 1 is ensured by a respective sealing bead 13 or 15 made of butyl.
- the insulating glazing 10 also comprises an outer sealing barrier 18 made of polysulphide resin, which is applied over the entire outer periphery of the spacer frame between the two sheets of glass 12 and 14, so as to hold the sheets of glass 12 and 14 together. and on the spacer frame.
- the spacer housing 5 is delimited by the lateral 43, 45 and transverse 44, 46 walls of the tubular part 4.
- the desiccant material 6, which in this example is molecular sieve, is received in a central part of the housing 5 , between two plugs 7 and 8 closing the housing 5. More specifically, the housing 5 is closed in the vicinity of the end 4A of the tubular part using a plug 7 and in the vicinity of the end 4B of the tubular part using a plug 8.
- Each of the two plugs 7 and 8 is offset longitudinally inside the housing 5 relative to the corresponding end 4A or 4B, as shown by the distance d on the figure 1 .
- each of the two plugs 7 and 8 is obtained by injecting butyl hotmelt into the housing 5 from the end 4A or 4B closest to the tubular part 4, using an injection nozzle.
- the transverse wall 44 of the tubular part 4, which is intended to be directed towards the cavity 17 of the insulating glazing, is provided with a plurality of perforations 49 on its part between the two plugs 7 and 8, so that the material desiccant 6 is capable of absorbing the humidity contained in the cavity 17, which makes it possible to prevent the formation of mist between the glass sheets 12 and 14.
- the tubular part 4 comprises two end sections 47 and 48 which do not include any desiccant material in their interior volume.
- a through orifice 9 for passing gas is made in the end section 48 between the plug 8 and the end 4B of the tubular part. The drilling of this through hole 9 in the profile 2 can take place either before or after the filling of the profile 2 with the desiccant material 6.
- the arrangement of the through hole 9 in the empty section 48 makes it possible, if the drilling of the profile 2 takes place after filling with desiccant material, to avoid any risk of leakage of the desiccant material 6 through the through hole 9.
- the end sections 47 and 48 each have a length d of the order of 40 mm.
- the through hole 9 has a diameter of the order of 5 mm.
- the distance between the central axis of the through hole 9 and the plug 8 is of the order of 10 mm.
- the through hole 9 opens into the transverse walls 44 and 46 of the tubular part 4.
- the through hole 9 can be used to fill the cavity 17 with an insulating gas, or to evacuate air from the cavity 17, without risk of pollution of the insulating glazing with the desiccant material 6 since the latter is confined to the rear of the cap 8.
- the through hole 9 can be provided with a shutter 29 forming a gas filling valve, that is to say allowing the injection of insulating gas into the cavity 17 of the insulating glazing from the outside.
- a gas injection element which passes into the obturator 29 from the outside, such as a nozzle or a syringe, the obturator 29 being further designed to prevent the escape of insulating gas out of the cavity 17 once it is filled.
- the shutter 29 may for example have a structure comprising a valve and a seat, with one or the other among the valve or the seat which is made of a shape memory material, or else the shutter 29 may comprise at least one part based on a self-healing material.
- the shutter 29 is chosen with a color of its visible parts substantially identical to the color of the profile 2 of the spacer, so as to give the spacer 1 a good visual appearance.
- the spacer 1 differs from that of the first embodiment in that the section 2 comprises two tubular parts 4.1 and 4.2 juxtaposed.
- Each tubular part 4.1 or 4.2 defines a housing 5.1 or 5.2 for receiving desiccant material 6, which opens out at the two ends 4.1A, 4.1B or 4.2A, 4.2B of the tubular part.
- the ends 4.1A and 4.2A are juxtaposed at the level of the end 2A of the section 2, while the ends 4.1B and 4.2B are juxtaposed at the level of the end 2B of the section 2.
- the profile 2 is made of styrene-acrylonitrile (SAN) copolymer, reinforced with approximately 35% glass fibres.
- SAN styrene-acrylonitrile
- the spacer 1 of the second embodiment can be implemented in an insulating glazing 10 of the triple glazing type, as shown in the figure 4 , comprising two outer glass sheets 12 and 14 positioned on either side of the spacer 1 and a central glass sheet 16 received in the groove 3 of the spacer.
- an insulating glazing 10 of the triple glazing type as shown in the figure 4 , comprising two outer glass sheets 12 and 14 positioned on either side of the spacer 1 and a central glass sheet 16 received in the groove 3 of the spacer.
- Each tubular part 4.1 or 4.2 of the spacer comprises two side walls, respectively 43, 40.1 and 40.2, 45.
- the walls 40.1 and 40.2 laterally delimit the groove 3 for receiving the central sheet of glass 16, while the walls 43 and 45 are intended, in the insulating glazing 10, to be adjacent respectively to the outer glass sheet 12 and to the outer glass sheet 14.
- Each tubular part 4.1 or 4.2 of the spacer also comprises two transverse walls, respectively 44.1, 46.1 and 44.2, 46.2 which, in the insulating glazing 10, extend transversely relative to the glass sheets 12, 14, 16, with the wall 44.1 or 44.2 directed towards an internal cavity 17 or 19 of the insulating glazing and the wall 46.1 or 46.2 directed towards the exterior of the insulating glazing.
- the walls 46.1 and 46.2 are parts of a transverse wall 46 of the profile which also defines the bottom of the groove 3.
- the profile 2 comprises a heat insulating coating 22 on the outer surface of the transverse wall 46 intended to be directed towards the outside of the insulating glazing.
- a butyl sealing bead 13 or 15 ensures the connection between each outer glass sheet 12 or 14 and the adjacent wall 43 or 45 of the spacer 1.
- the maintenance of the outer glass sheets 12 and 14 between them and on the spacer frame is provided by an outer sealing barrier 18 made of polysulphide resin, which is applied over the entire outer periphery of the spacer frame between the two sheets of glass 12 and 14.
- the spacer 1 comprises a gasket 11 positioned in the groove 3 to receive the edge of the central sheet of glass 16.
- This gasket 11 is made of EPDM and makes it possible to ensure a fixing without constraint of the central sheet of glass 16 in the groove 3.
- the gasket 11 also acts as a mechanical and acoustic damper, in particular when inserting the edges of the central glass sheet 16 into the grooves of the spacers 1 to form a spacer frame around the glass sheet central.
- the housing 5.1 or 5.2 for receiving desiccant material is delimited by the side and transverse walls of the corresponding tubular part 4.1 or 4.2 of the spacer.
- the desiccant material 6 is molecular sieve, which is received in a central part of the housing 5.1 or 5.2, between two plugs 7.1, 8.1 or 7.2, 8.2 closing off the housing. More specifically, the housing 5.1 is sealed near the end 4.1A of the tubular part 4.1 using a plug 7.1 and near the end 4.1B of the tubular part 4.1 using a cap 8.1.
- the housing 5.2 is sealed near the end 4.2A of the tubular part 4.2 using a plug 7.2 and near the end 4.2B of the tubular part 4.2 using a plug 8.2 .
- each of the two plugs 7.1, 8.1 or 7.2, 8.2 is offset longitudinally inside the housing 5.1 or 5.2 relative to the corresponding end of the tubular part, as shown by the distance d on the picture 3 .
- each of the two plugs 7.1, 8.1 or 7.2, 8.2 is obtained by injection of butyl hotmelt into the housing 5.1 or 5.2 from the end closest to the tubular part 4.1 or 4.2 , using an injection nozzle.
- Each transverse wall 44.1 and 44.2 intended to be directed towards the cavity 17 or 19 of the insulating glazing, is provided with a plurality of perforations 49.1 or 49.2 on its part between the two plugs, so that the desiccant material 6 is suitable to absorb the humidity contained in each cavity 17 and 19, which makes it possible to prevent the formation of mist between the sheets of glass 12 and 16 and between the sheets of glass 14 and 16.
- each tubular part 4.1 or 4.2 comprises two end sections 47.1, 48.1 or 47.2, 48.2 which do not include desiccant material in their interior volume.
- Two through holes 9.1 and 9.2 for passing gas are provided near the end 2B of the profile 2, namely the through hole 9.1 in the end section 48.1 between the plug 8.1 and the end 4.1B of the tubular part 4.1 and the through hole 9.2 in the end section 48.2 between the plug 8.2 and the end 4.2B of the tubular part 4.2.
- the drilling of these through holes 9.1 and 9.2 in the profile 2 can take place either before or after the filling of the housings 5.1 and 5.2 with the desiccant material 6.
- the arrangement of the two through holes 9.1 and 9.2 in the empty sections 48.1 and 48.2 makes it possible, if the drilling of the profile 2 takes place after the filling with the desiccant material 6, to avoid any risk of leakage of the desiccant material 6 through these orifices.
- the end sections 47.1, 48.1 and 47.2, 48.2 each have a length d of the order of 40 mm.
- Each of the through holes 9.1 and 9.2 has a diameter of the order of 5 mm.
- the distance between the central axis of the through hole 9.1 or 9.2 and the corresponding plug 8.1 or 8.2 is of the order of 10 mm.
- Each through hole 9.1 or 9.2 opens into the transverse walls 44.1, 46.1 or 44.2, 46.2 of the tubular part 4.1 or 4.2.
- the through hole 9.1 can be used to fill the cavity 17 with an insulating gas, or to evacuate air from the cavity 17, while the through hole 9.2 can be used to fill the cavity 19 with an insulating gas, or to evacuate air from the cavity 19, without the risk of polluting the insulating glazing with the desiccant material 6 since the latter is confined in each housing 5.1 or 5.2 at the rear of the plug 8.1 or 8.2.
- each of the two through-orifices 9.1 and 9.2 can be provided with a shutter 29.1 or 29.2 forming a gas filling valve, that is to say allowing the injection of insulating gas into the cavity 17 or 19 of the insulating glazing from the outside, using a gas injection element which passes into the shutter from the outside, such as a nozzle or a syringe, the the shutter 29.1 or 29.2 being also designed to prevent the escape of the insulating gas from the cavity 17 or 19 once the latter is filled.
- Each shutter 29.1 or 29.2 can by example present a structure comprising a valve and a seat, with one or the other among the valve or the seat which is made of a material with shape memory, or it can comprise at least a part based on a self-healing material.
- each shutter 29.1 or 29.2 is chosen with a color of its visible parts substantially identical to the color of the profile 2 of the spacer, so as to give the spacer 1 a good visual appearance.
- each of the two ends 2A and 2B of the profile 2 is bevelled at an angle of the order of 45°, so that the spacer 1 can be assembled according to a mitred assembly with d other similar spacers 1 to form a spacer frame 20, as seen in the figure 5 .
- the assembly between the ends of the spacers 1 at each corner of the spacer frame 20 can be obtained, in particular, using assembly brackets or by welding, in particular by ultrasonic welding.
- the spacer frame 20 comprises at least two spacers 1 provided with through holes such that, in at least one substantially vertical configuration of the spacer frame 20 as shown in the figure 5 , the through hole(s) of a spacer 1 are in the low position while the through hole(s) of the other spacer 1 are in the high position.
- Such an arrangement is advantageous for carrying out the filling of each cavity of the insulating glazing with an insulating gas denser than air, by injecting the insulating gas into the cavity through the through hole 9 located in the low position according to the arrow F of the figure 5 and evacuation of the air present in the cavity through the through hole 9 located in the high position according to the arrow E of the figure 5 .
- the figure 6 , 7 and 8 illustrate an installation for manufacturing spacers 1 with two tubular parts in accordance with the second embodiment shown in the figures 3 and 4 , intended to be used for the production of triple glazing.
- this installation is easily adaptable for the manufacture of spacers 1 with a single tubular part according to the first embodiment shown in the figures 1 and 2 , intended to be used for the production of double glazing, or for the manufacture of spacers with more than two tubular parts, intended to be used for the production of multiple glazing with more than three sheets of glass.
- the spacer manufacturing installation comprises a station for preparing spacer profiles 2 before filling them with desiccant material, called “preparation station”, and a station for filling spacer profiles with desiccant material, called “filling station”.
- the figure 6 shows the preparation station, which comprises a cutting and shaping device 30, a drilling device 50, and a device 60 for sealing the two tubular parts of the profile 2 at one end.
- An initial section 2i of great length transits in a direction X.
- the initial section 2i is cut using a cutter 31 of the cutting device 30 at its front end 2B, the cutter 31 performing at the same time shaping this end 2B according to a 45° bevel.
- the end 2B of the profile 2i is then drilled using at least one drill bit 51 of the drilling device 50, to provide the two through holes 9.1 and 9.2 in their respective sections 48.1 and 48.2.
- the drilling device 50 can comprise either a drill 51 movable between the positions of the two through-holes 9.1 and 9.2, or two drills 51 juxtaposed.
- the two tubular parts 4.1 and 4.2 of the profile 2i are then closed simultaneously near the end 2B of the profile 2i, by injecting two plugs 8.1 and 8.2 in butyl hotmelt into each housing 5.1 and 5.2, from the end 4.1B or 4.2B of the tubular part.
- This sealing step is carried out using two injection nozzles 62 and 64 of the sealing device 60, each connected to a reservoir 61 or 63 of butyl hotmelt.
- the step of drilling the profile 2i can take place after the step of closing the housings 5.1 and 5.2.
- the shutter device 60 is mounted to move on the chassis of the preparation station in the X direction and in a Y direction transverse to the X direction.
- the mobility in the X direction allows each injection nozzle 62 and 64 to penetrate sufficiently into the housing 5.1 and 5.2 to be able to inject the stopper 8.1 or 8.2 at the correct distance d with respect to the corresponding end of the tubular part.
- Mobility along the Y direction allows the device 60 to free up space so that the profile 2i, once prepared at its end 2B, can advance in the direction X, then be cut to the desired length of the profile 2 at its end 2A.
- the cutting of the section 2i at its end 2A is carried out using the cutter 31 of the cutting device 30, the cutter 31 performing at the same time the shaping of the end 2A according to a bevel at 45°.
- the filling station comprises a mobile arm 70 for supporting the profile 2, a device 80 for filling the two housings 5.1 and 5.2 of the profile 2 with the desiccant material 6, and a device 90 for sealing the two tubular parts of the profile 2 at end 2A left open in the preparation station.
- the figure 7 shows the filling station in a configuration for inserting the desiccant material 6 into the housing 5.1 or 5.2 of each tubular part of the section 2.
- the arm 70 maintains the section 2 in an inclined position with respect to the horizontal at an angle ⁇ of the order of 45°, with its end 2B previously closed in the preparation station directed downwards and its end 2A left open directed upwards.
- the arm 70 is movable in translation in the direction of the double arrow F 1 of the figure 7 , so that he can position the open end 2A of the section 2 under the filling device 80.
- Two nozzles 82 and 84 for filling with desiccant material 6, which are connected to a reservoir 81 of desiccant material, are thus each positioned in one of the housings 5.1 and 5.2, on the side of the open end 2A of the profile 2, so that the desiccant material 6, which in this example is molecular sieve, can be inserted into the housings 5.1 and 5.2 by flow by gravity.
- the filling device 80 can comprise means for measuring the degree of filling of each housing 5.1 and 5.2 with desiccant material 6.
- the figure 8 shows the filling station in a configuration for closing the housing 5.1 or 5.2 of each tubular part of the profile 2.
- the arm 70 has moved in the direction F 1 to move away from the filling device 80, so that the shutter device 90, which is movable in translation in the direction of the double arrow F 2 of the figure 8 , can come opposite the end 2A of the profile 2.
- Two injection nozzles 92 and 94 which are each connected to a reservoir 91 or 93 of butyl hotmelt, are thus each positioned in one of the housings 5.1 and 5.2 , on the side of the open end 2A of the profile 2.
- the two tubular parts 4.1 and 4.2 of the profile 2 are then closed simultaneously in the vicinity of the end 2A of the profile 2, by injection of two plugs 7.1 and 7.2 in butyl hotmelt in each housing 5.1 and 5.2.
- the mobility of the arm 70 in the direction of the arrow F 1 allows each injection nozzle 92 and 94 to penetrate sufficiently into the housing 5.1 and 5.2 to be able to inject the stopper 7.1 or 7.2 at the correct distance d by relative to the corresponding end of the tubular part.
- the closure device 90 may comprise means for blowing desiccant material in order to release a volume in each housing 5.1 and 5.2 for the admission of the butyl hotmelt which forms the plugs.
- the filling station has been described for the processing of a single spacer profile 2 at a time, but it is understood that the arm 70, the filling device 80 and the closing device 90 can be adapted to allow the treatment of several profiles 2 at a time, in particular four spacer profiles intended to be assembled to form the frame of an insulating glazing.
- the steps for manufacturing a spacer 1 as described above are carried out online, on an insulating glazing production line, and preferably just before the implementation of the spacer 1 in the manufacturing insulating glazing.
- the invention provides a spacer for insulating glazing, the filling of which with desiccant material can be carried out in line, without risk of leakage of the material.
- desiccant and which can be used for a spacer frame assembly around at least one central sheet of glass, in the context of the manufacture of multiple glazing with at least three sheets of glass.
- a spacer according to the invention also offers the possibility of providing through holes in a section of the spacer which is insulated from the desiccant material, which allows the or each cavity of the insulating glazing to be filled with gas without risk of contamination of the insulating glazing with the desiccant material. This results in a simplification of the process for filling the cavity with gas and a reduction in the manufacturing costs of the insulating glazing.
- the number of tubular parts of a spacer according to the invention can be greater than two, with a groove defined by each pair of adjacent tubular parts, which allows the manufacture of insulating glazing comprising more than three glass sheets.
- a spacer according to the invention can be filled with any type of desiccant material suitable for use in insulating glazing, including a desiccant material not in fluid form, which can then be inserted into the profile of spacer by a technique other than gravity flow.
- the method for manufacturing the spacer described above has been given by way of non-limiting example and can be adapted according to the geometry of the spacer profile, the nature of the desiccant material, etc.
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- Engineering & Computer Science (AREA)
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- Securing Of Glass Panes Or The Like (AREA)
Claims (19)
- Abstandshalter (1) für Isolierverglasung (10), umfassend ein Profil (2), das mindestens ein Rohrstück (4; 4.1, 4.2) aufweist, das eine Auflage (5; 5.1, 5.2) zur Aufnahme von Trockenmittel (6) definiert, wobei die Auflage (5; 5.1, 5.2) an zwei Enden (4A, 4B; 4.1A, 4.1B, 4.2A, 4.2B) des Rohrstücks mündet, wobei die Auflage (5; 5.1, 5.2) in der Nähe jedes Endes (4A, 4B; 4.1A, 4.1B, 4.2A, 4.2B) des Rohrstücks mit Hilfe eines Stopfens (7, 8; 7.1, 8.1, 7.2, 8.2) verschlossen ist und zwischen den beiden Stopfen ein Trockenmittel (6) aufweist, wobei mindestens einer der Stopfen (7, 8; 7.1, 8.1, 7.2, 8.2) innerhalb der Auflage (5; 5.1, 5.2) in Bezug auf das entsprechende Ende des Rohrstücks in Längsrichtung versetzt (d) ist, wobei das Rohrstück (4; 4.1, 4.2) eine Durchgangsöffnung (9; 9.1, 9.2) für den Durchgang von Gas zwischen einem Hohlraum (17, 19) der Isolierverglasung (10) und der Außenseite umfasst, die in einem Abschnitt (48; 48.1, 48.2) des Rohrstücks zwischen einem versetzten Stopfen (8; 8.1, 8.2) und dem entsprechenden Ende (4B; 4.1B, 4.2B) des Rohrstücks angebracht ist, dadurch gekennzeichnet, dass die Durchgangsöffnung (9; 9.1, 9.2) in zwei Wänden (44, 46; 44.1, 46.1, 44.2, 46.2) des Rohrstücks (4; 4.1, 4.2) mündet, die dazu bestimmt sind, sich quer zu den Glasfolien (12, 14, 16) der Isolierverglasung (10) zu erstrecken, wobei eine Wand (44, 44.1, 44.2) dazu bestimmt ist, zum Hohlraum (17) der Isolierverglasung hin gerichtet zu sein, und einer Wand (46; 46.1, 46.2) dazu bestimmt ist, zur Außenseite des Isolierglases hin gerichtet zu sein.
- Abstandshalter nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Durchgangsöffnung (9; 9.1, 9.2) mit einem Verschluss (29; 29.1, 29.2) versehen ist, der das Einblasen von Gas in den Hohlraum (17, 19) der Isolierverglasung (10) von außen mit Hilfe eines Gaseinblaselements ermöglicht, das durch den Verschluss (29; 29.1, 29.2) hindurchgeht, wobei der Verschluss (29; 29.1, 29.2) nach dem Füllen des Hohlraums den Austritt des Gases verhindert.
- Abstandshalter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der oder jeder Abschnitt (47, 48; 47.1, 48.1, 47.2, 48.2) des Rohrstücks (4; 4.1, 4.2), der zwischen einem versetzten Stopfen (7, 8; 7.1, 8.1, 7.2, 8.2) und dem entsprechenden Ende des Rohrstücks enthalten ist, eine Länge (d) in der Größenordnung von 2 cm bis 5 cm aufweist.
- Abstandshalter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Profil (2) des Abstandshalters mindestens zwei Rohrstücke (4.1, 4.2) und eine zwischen den beiden Rohrstücken abgegrenzte Nut (3) aufweist, wobei die Nut (3) dazu bestimmt ist, einen Rand einer mittleren Glasfolie (16) aufzunehmen, wobei jedes Rohrstück (4.1, 4.2) eine Auflage (5.1, 5.2) zur Aufnahme von Trockenmittel (6) definiert, die an zwei Enden (4.1A, 4.1B, 4.2A, 4.2B) des Rohrstücks mündet, wobei die Auflage (5.1, 5.2) jedes Rohrstücks (4.1, 4.2) in der Nähe jedes Endes (4.1A, 4.1B, 4.2A, 4.2B) des Rohrstücks mit Hilfe eines Stopfens (7.1, 8.1, 7.2, 8.2) verschlossen ist und ein Trockenmittel (6) zwischen den beiden Stopfen aufweist, wobei mindestens einer der Stopfen (7.1, 8.1, 7.2, 8.2) jedes Rohrstücks (4.1, 4.2) innerhalb der Auflage (5.1, 5.2) in Bezug auf das entsprechende Ende des Rohrstücks in Längsrichtung versetzt ist.
- Abstandshalter nach Anspruch 4, dadurch gekennzeichnet, dass in der Nähe mindestens eines Endes (2B) des Abstandshalterprofils (2) die Stopfen (8; 8.1, 8.2) der beiden Rohrstücke (4.1, 4.2) beide in Längsrichtung innerhalb der Auflage (5.1, 5.2) in Bezug auf das entsprechende Ende (4.1B, 4.2B) des Rohrstücks versetzt sind.
- Abstandshalter nach Anspruch 5, dadurch gekennzeichnet, dass in der Nähe des Endes (2B) des Abstandshalterprofils (2), wo die beiden Stopfen (8; 8.1, 8.2) der beiden Rohrstücke (4.1, 4.2) versetzt sind, jedes Rohrstück (4.1, 4.2) eine Durchgangsöffnung (9.1, 9.2) aufweist, die für den Durchgang von Gas zwischen einem Hohlraum (17, 19) der Isolierverglasung (10) und der Außenseite bestimmt ist, und die in dem Abschnitt (48.1, 48.2) des Rohrstücks angebracht ist, der zwischen dem versetzten Stopfen (8.1, 8.2) und dem entsprechenden Ende (4.1B, 4.2B) des Rohrstücks enthalten ist.
- Abstandshalter nach einem der Ansprüche 4 bis 6, dadurch gekennzeichnet, dass er eine Dichtung (11) umfasst, die in der Nut (3) positioniert ist, um die mittlere Glasfolie (16) aufzunehmen.
- Abstandshalter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Profil (2) des Abstandshalters aus Metall und/oder einem Polymermaterial besteht.
- Abstandshalter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass jeder Stopfen (7, 8; 7.1, 8.1, 7.2, 8.2) durch Einspritzen eines Polymermaterials in die Auflage (5; 5.1, 5.2) gebildet ist.
- Abstandshalter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Trockenmittel (6) Molekularsieb oder Silikagel ist.
- Abstandshalter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass jedes Ende (2A, 2B) des Profils (2) des Abstandshalters abgeschrägt ist, so dass der Abstandshalter (1) dazu geeignet ist, mit einem analogen Abstandshalter (1) winklig zusammengesetzt zu werden.
- Abstandshalterrahmen für Isolierverglasung (10), umfassend vier Abstandshalter (1), die an ihren Enden (2A, 2B) winklig zusammengefügt sind, dadurch gekennzeichnet, dass mindestens einer der Abstandshalter (1) einem der Ansprüche 1 bis 11 entspricht.
- Abstandshalterrahmen nach Anspruch 12, dadurch gekennzeichnet, dass er einen ersten Abstandshalter (1) und einen zweiten Abstandshalter (1) umfasst, die an ihren Enden (2A, 2B) winklig zusammengefügt sind, wobei jeder der ersten und zweiten Abstandshalter eine Durchgangsöffnung (9; 9.1, 9.2) umfasst, die in einem Abschnitt (48; 48.1, 48.2) des Rohrstücks zwischen einem versetzten Stopfen (8; 8.1, 8.2) und dem entsprechenden Ende (4B; 4.1B, 4.2B) des Rohrstücks so angebracht ist, dass in mindestens einer im Wesentlichen vertikalen Konfiguration des Abstandshalterrahmens die Durchgangsöffnung (9; 9.1, 9.2) des ersten Abstandshalters (1) sich in der unteren Position befindet, während die Durchgangsöffnung (9; 9.1, 9.2) des zweiten Abstandshalters (1) sich in der oberen Position befindet.
- Isolierverglasung (10), umfassend einen Abstandshalterrahmen, der zwischen zwei äußeren Glasfolien (12, 14) positioniert ist, wobei der Abstandshalterrahmen aus vier Abstandshaltern (1) gebildet ist, die an ihren Enden (2A, 2B) winklig zusammengefügt sind, dadurch gekennzeichnet, dass mindestens einer der Abstandshalter (1) einem der Ansprüche 1 bis 11 entspricht.
- Verfahren zur Herstellung eines Abstandshalters (1) für Isolierverglasung (10), umfassend Schritte, wobei:- ein Profil (2) mit der gewünschten Länge des Abstandshalters bereitgestellt wird, das mindestens ein Rohrstück (4; 4.1, 4.2) umfasst, das eine Auflage (5; 5.1, 5.2) zur Aufnahme von Trockenmittel (6) definiert, wobei die Auflage (5; 5.1, 5.2) an zwei Enden (4A, 4B; 4.1A, 4.1B, 4.2A, 4.2B) des Rohrstücks mündet;- die Auflage (5; 5.1, 5.2) jedes Rohrstücks (4; 4.1, 4.2) des Profils (2) in der Nähe eines ersten Endes (2B) des Profils mit Hilfe eines ersten Stopfens (8; 8.1, 8.2) verschlossen wird;- ein Trockenmittel in die Auflage (5; 5.1, 5.2) jedes Rohrstücks (4; 4.1, 4.2) des Profils (2) von dem zweiten Ende (2A) des Profils (2), das dem ersten Ende (2B) gegenüberliegt, eingeführt wird;- die Auflage (5; 5.1, 5.2) jedes Rohrstücks (4; 4.1, 4.2) des Profils (2) in der Nähe des zweiten Endes (2A) des Profils (2) mit einem zweiten Stopfen (7; 7.1, 7.2) verschlossen wird, wobei für jedes Rohrstück (4; 4.1, 4.2) mindestens entweder der erste Stopfen (8; 8.1, 8.2) oder der zweite Stopfen (7; 7.1, 7.2) in Längsrichtung innerhalb der Auflage (5; 5.1, 5.2) in Bezug auf das entsprechende Ende des Rohrstücks versetzt (d) ist;- das Profil (2) so durchbohrt wird, dass eine Durchgangsöffnung (9; 9.1, 9.2) in einem Abschnitt (48; 48.1, 48.2) des Rohrstücks entsteht, der dazu bestimmt ist, zwischen einem versetzten Stopfen (8; 8.1, 8.2) und dem entsprechenden Ende (4B; 4.1B, 4.2B) des Rohrstücks enthalten zu sein, wobei die Durchgangsöffnung (9; 9.1, 9.2) in zwei Wänden (44, 46; 44.1, 46.1, 44.2, 46.2) des Rohrstücks (4; 4.1, 4.2) mündet, die dazu bestimmt sind, sich quer zwischen den beiden äußeren Glasfolien (12, 14) der Isolierverglasung (10) zu erstrecken.
- Verfahren nach Anspruch 15, dadurch gekennzeichnet, dass in der Durchgangsöffnung (9; 9.1, 9.2) ein Verschluss (29; 29.1, 29.2) positioniert wird, der das Einblasen von Gas in den entsprechenden Hohlraum (17, 19) der Isolierverglasung (10) von außen mit Hilfe eines Gaseinblaselements ermöglicht, das durch den Verschluss (29; 29.1, 29.2) hindurchgeht, wobei der Verschluss (29; 29.1, 29.2) nach dem Füllen des Hohlraums den Austritt des Gases verhindert.
- Verfahren nach einem der Ansprüche 15 oder 16, dadurch gekennzeichnet, dass das Profil (2) erhalten wird, indem ein Ausgangsprofil (2i) auf die gewünschte Länge des Abstandshalters zugeschnitten wird.
- Verfahren nach Anspruch 17, dadurch gekennzeichnet, dass jedes Ende (2A, 2B) des Abstandshalterprofils (2) mit demselben Werkzeug (31) wie dem, das zum Zuschneiden des Profils (2) auf die gewünschte Länge des Abstandshalters verwendet wird, in eine abgeschrägte Form geformt wird.
- Verfahren nach einem der Ansprüche 15 bis 18, dadurch gekennzeichnet, dass die Auflage (5; 5.1, 5.2) jedes Rohrstücks (4; 4.1, 4.2) des Profils (2) mit Hilfe des ersten Stopfens (8; 8.1, 8.2) individuell für jedes Profil (2) verschlossen wird, und dass das Trockenmittelmaterial in die Auflage (5; 5.1, 5.2) jedes Rohrstücks (4; 4.1, 4.2) des Profils (2) eingesetzt wird und die Auflage (5; 5.1, 5.2) jedes Rohrstücks (4; 4.1, 4.2) des Profils (2) mit Hilfe des zweiten Stopfens (7; 7.1, 7.2) gemeinsam für mehrere Profile (2) verschlossen wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1563501A FR3046431B1 (fr) | 2015-12-31 | 2015-12-31 | Espaceur pour vitrage isolant |
PCT/FR2016/053691 WO2017115061A1 (fr) | 2015-12-31 | 2016-12-30 | Espaceur pour vitrage isolant |
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EP3402956A1 EP3402956A1 (de) | 2018-11-21 |
EP3402956B1 true EP3402956B1 (de) | 2022-06-15 |
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EP16829301.7A Active EP3402956B1 (de) | 2015-12-31 | 2016-12-30 | Abstandshalter für isolierverglasung |
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EP (1) | EP3402956B1 (de) |
DK (1) | DK3402956T3 (de) |
FR (1) | FR3046431B1 (de) |
PL (1) | PL3402956T3 (de) |
WO (1) | WO2017115061A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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FR3084354B1 (fr) | 2018-07-27 | 2020-07-17 | Saint-Gobain Glass France | Substrat emaille formant ecran de projection, et sa fabrication. |
FR3084391A1 (fr) | 2018-07-27 | 2020-01-31 | Saint-Gobain Glass France | Vitrage isolant, espaceur pour la realisation d'un cadre espaceur de vitrage isolant et procede de remplissage d'un vitrage isolant avec du gaz isolant |
WO2020021198A1 (fr) | 2018-07-27 | 2020-01-30 | Saint-Gobain Glass France | Vitrage isolant, sous-ensemble de vitrage isolant et espaceur pour la realisation d'un cadre espaceur de ce sous-ensemble |
FR3084353B1 (fr) | 2018-07-27 | 2023-03-24 | Saint Gobain | Substrat emaille, dispositif vitre lumineux avec un tel substrat et sa fabrication. |
FR3086686A1 (fr) | 2018-09-28 | 2020-04-03 | Saint-Gobain Glass France | Procede de fabrication d'un vitrage isolant ayant au moins trois feuilles de verre |
FR3087813A1 (fr) | 2018-10-31 | 2020-05-01 | Saint-Gobain Glass France | Sous-ensemble de vitrage isolant pret a etre rempli avec du gaz isolant |
DE202020005504U1 (de) | 2019-03-29 | 2021-06-28 | Saint-Gobain Glass France | Hohlprofilabstandhalter mit vorapplizierter Abdichtmasse |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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GB1578030A (en) * | 1976-08-26 | 1980-10-29 | Pilkington Brothers Ltd | Multiple glazing |
DE2948018A1 (de) * | 1979-11-29 | 1981-06-04 | Wilh. Frank Gmbh, 7022 Leinfelden-Echterdingen | Mehrscheiben-isolierglas |
DE3233399A1 (de) * | 1982-09-09 | 1984-03-15 | Helmut Lingemann GmbH & Co, 5600 Wuppertal | Verbindung zweier abstandhalterrahmenprofile sowie verfahren und vorrichtung zur herstellung der verbindung |
DE202005002786U1 (de) * | 2004-02-27 | 2005-07-14 | Vkr Holding A/S | Gerät zum Verschließen offener Enden in Profilen |
DE102009057156A1 (de) * | 2009-12-05 | 2011-06-09 | Seele Holding Gmbh & Co. Kg | Isolierglasscheibe |
-
2015
- 2015-12-31 FR FR1563501A patent/FR3046431B1/fr not_active Expired - Fee Related
-
2016
- 2016-12-30 WO PCT/FR2016/053691 patent/WO2017115061A1/fr unknown
- 2016-12-30 PL PL16829301.7T patent/PL3402956T3/pl unknown
- 2016-12-30 DK DK16829301.7T patent/DK3402956T3/da active
- 2016-12-30 EP EP16829301.7A patent/EP3402956B1/de active Active
Also Published As
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FR3046431B1 (fr) | 2018-12-07 |
FR3046431A1 (fr) | 2017-07-07 |
DK3402956T3 (da) | 2022-08-01 |
PL3402956T3 (pl) | 2022-09-12 |
EP3402956A1 (de) | 2018-11-21 |
WO2017115061A1 (fr) | 2017-07-06 |
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