EP3230544B1 - Isolierverglasung - Google Patents

Isolierverglasung Download PDF

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Publication number
EP3230544B1
EP3230544B1 EP15801874.7A EP15801874A EP3230544B1 EP 3230544 B1 EP3230544 B1 EP 3230544B1 EP 15801874 A EP15801874 A EP 15801874A EP 3230544 B1 EP3230544 B1 EP 3230544B1
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EP
European Patent Office
Prior art keywords
pane
disc
spacer
glazing
groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15801874.7A
Other languages
German (de)
English (en)
French (fr)
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EP3230544A1 (de
Inventor
Hans-Werner Kuster
Walter Schreiber
Marc Maurer
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
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Publication date
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Priority to PL15801874T priority Critical patent/PL3230544T3/pl
Publication of EP3230544A1 publication Critical patent/EP3230544A1/de
Application granted granted Critical
Publication of EP3230544B1 publication Critical patent/EP3230544B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing 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
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing panes
    • E06B3/66309—Section members positioned at the edges of the glazing unit
    • E06B3/66342—Section members positioned at the edges of the glazing unit characterised by their sealed connection to the panes
    • E06B3/66352—Section members positioned at the edges of the glazing unit characterised by their sealed connection to the panes with separate sealing strips between the panes and the spacer
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing panes
    • E06B3/66309—Section members positioned at the edges of the glazing unit
    • E06B3/66366—Section members positioned at the edges of the glazing unit specially adapted for units comprising more than two panes or for attaching intermediate sheets
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/67—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
    • E06B3/6715—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 specially adapted for increased thermal 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
    • E06B3/677—Evacuating or filling the gap between the panes ; Equilibration of inside and outside pressure; Preventing condensation in the gap between the panes; Cleaning the gap between the panes
    • 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
    • E06B2003/66395—U-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
    • E06B3/673—Assembling the units
    • 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

Definitions

  • the invention relates to an insulating glazing, a process for their preparation and their use.
  • the thermal conductivity of glass is about a factor of 2 to 3 lower than that of concrete or similar building materials.
  • slices are in most cases much thinner than comparable elements made of stone or concrete, buildings often lose the largest proportion of heat through the exterior glazing.
  • the additional costs for heating and air conditioning systems make up a not inconsiderable part of the maintenance costs of a building.
  • lower carbon dioxide emissions are required as part of stricter construction regulations.
  • An important solution for this is triple-glazing, which is indispensable in building construction, especially in the context of ever faster rising raw material prices and stricter environmental protection regulations. Triple insulating glazings therefore make up an increasing part of the outwardly facing glazings.
  • Triple insulating glazings typically contain three panes of glass or polymeric materials separated by two individual spacers. It is placed on a double glazing by means of an additional spacer another disc. When mounting such a triple glazing very low tolerance requirements apply because the two spacers must be mounted in exactly the same height. Thus, the installation of triple glazing compared to double glazing is much more complex because either additional system components for the installation of another disc must be provided or a time-consuming multiple pass of a classic system is necessary. As an alternative to two individual spacers spacers are used in which a recess in the middle disc is added.
  • spacers which can accommodate a third disc in a groove, have the advantage that only a single spacer must be mounted, and thus eliminates the step of adjusting two individual spacers in the conventional triple glazing.
  • the spacer with integrated center disc can also be processed on a double-glazing assembly line.
  • EP 2 733 295 A1 describes a triple insulating glazing comprising a standardized spacer.
  • WO 2010/115456 A1 discloses a hollow profile spacer with multiple hollow chambers for multiple glass panes comprising two outer panes and one or more central panes mounted in a groove-shaped receiving profile.
  • the spacer can be made both of polymeric materials as well as rigid metals, such as stainless steel or aluminum exist.
  • the outer surface of the spacer is substantially perpendicular to the panes of the insulating glazing.
  • a secondary sealing means is provided in the outer space between the panes delimited by the two outer panes and the outer surface of the spacer. The entire outer surface is covered by the secondary sealant.
  • An object of the present invention is to provide an improved insulating glazing and an economical method for assembling an insulating glazing according to the invention.
  • Another independent subject of the invention is a spacer suitable for an insulating glazing according to the invention.
  • the insulating glazing comprises at least a first pane, a second pane and a third pane and a circumferential spacer arranged between the first and second pane.
  • the spacer for the insulating glazing according to the invention comprises at least one polymeric base body, which has a first disc contact surface and a second disc contact surface extending parallel thereto, a first glazing interior surface, a second glazing interior surface and an outer surface.
  • In the polymeric body are a first hollow chamber and a second hollow chamber and a groove brought in. The groove extends parallel to the first disc contact surface and second disc contact surface and serves to receive a disc.
  • the first hollow chamber is adjacent to the first glazing interior surface while the second hollow chamber is adjacent to the second glazing interior surface, the glazing interior surfaces being above the hollow chambers and the outer surface being below the hollow chambers.
  • Above is defined in this context as the inner space between the panes of insulating glazing with and facing away below as the disc interior.
  • the side edges of the groove are formed by the walls of the first hollow chamber and the second hollow chamber.
  • the groove forms a recess which is suitable for receiving the middle pane (third pane) of the insulating glazing.
  • the outer surface of the polymeric base body is divided into three partial surfaces: a first outer surface, a second outer surface and a support edge.
  • the support edge is located at least below the groove.
  • the first outer surface is located below the first hollow chamber and the second outer surface is located below the second hollow chamber.
  • the bearing edge extends substantially perpendicular to the disc contact surfaces and connects the first outer surface and the second outer surface with each other.
  • the first outer surface connects the bearing edge and the first disc contact surface.
  • the second outer surface connects the support edge and the second disc contact surface.
  • the first outer surface and the second outer surface each include an angle ⁇ (alpha) with the support edge, which lies between 100 ° and 160 °.
  • the first pane of the insulating glazing according to the invention is connected via a seal with the first disc contact surface of the spacer, while the second disc is connected via a seal with the second disc contact surface.
  • the seal is disposed between the first disk and the first disk contact surface and the second disk and the second disk contact surface.
  • the third disc is inserted into the groove of the spacer.
  • the first disc and the second disc are arranged in parallel and congruent.
  • the edges of the two discs are therefore arranged flush in the edge region, that is, they are located at the same height.
  • the Spacer is inserted so that the support edge is at the same level with the edges of the two discs and thus is flush with them.
  • first disk and the first outer surface of the polymeric body define a first outer disk space.
  • the second disc and the second outer surface of the polymeric base define a second outer disc space.
  • the two separate outer pane spaces are at least partially filled with an outer seal.
  • the outer seal is attached adjacent to the respective seal in the first and second outer space between the panes.
  • an external seal for example, a plastic sealing compound is used. Since the material of the polymeric body has a lower thermal conductivity than the outer seal, takes place through the separate outer disc spaces thermal separation.
  • the thermal decoupling leads to an improved PSI value (the length-related heat transfer coefficient) and thus to an improvement in the heat-insulating properties of the edge seal of the insulating glazing compared to insulating glazings according to the prior art.
  • PSI value the length-related heat transfer coefficient
  • the support edge of the spacer also allows a simplification of the insulating glass production with the spacer for the insulating glazing according to the invention.
  • the middle disc is pre-assembled in the groove of the spacer and this spacer frame is glued by means of a sealant between the two outer glasses.
  • the spacer frame with integrated center disc is held in position during this period by the adhesive connection between spacer and outer glasses. In the commercially available spacer frame without integrated glass, this adhesive connection is sufficient.
  • the adhesive bond fails due to the added weight of the integrated disc, and the spacer frame sags down during the production of the insulating glass.
  • the frame must be additionally supported in the process, which makes the assembly of the insulating glass considerably more difficult.
  • an outer seal is applied and the glass is placed on a frame for drying.
  • the material of the outer seal is initially soft and does not cure for a period of typically a few hours. Especially with large, heavy slices, it comes even at this stage still slipping of the spacer frame with medium glass, since the sealant is still soft and can be displaced.
  • the supporting edge of the spacer for the insulating glazing according to the invention is intended to be arranged in the finished insulating glazing flush with the two edges of the outer panes.
  • the support edge thus supports the spacer frame with integrated middle glass during the production of the insulating glass pane, thus preventing the spacer frame from sagging.
  • the insulating glazing according to the invention is thus easier and produced in a better quality than an insulating glazing according to the prior art.
  • the spacer for the insulating glazing invention relates to the volume of the hollow chambers, which are preferably filled with a desiccant.
  • the spacer for the insulating glazing according to the invention has larger hollow chambers than the spacers for insulating glazings according to the prior art. Since the life of a glazing also depends on the amount of desiccant, so the life of the insulating glazing invention can be extended.
  • the invention provides an insulating glazing with a one-piece double spacer ("double spacer") with improved properties that allows for simplified and accurate mounting in an insulating glazing.
  • the two outer discs (first disc and second disc) are attached to the disc contact surfaces, while the middle disc (third disc) is inserted into the groove.
  • the polymeric base body is formed as a hollow profile, the side edges of the hollow chambers are flexible enough to yield on the one hand when inserting the disc in the groove and on the other hand to fix the disc stress-free.
  • the support edge of the spacer serves to support the spacer frame with integrated third disc after the gluing of the first and second disc with the disc contact surfaces. This is how it slips prevents the spacer frame before and after the pressing or during the curing of the outer seal.
  • the spacer of the insulating glazing according to the invention thereby enables a simplified yet accurate fit mounting of the triple glazing.
  • an increased stability of the polymeric base body is achieved by the angled first and second outer surfaces.
  • the hollow chambers at the same distance between Glglasungsinnenraum vom and edges of the outer panes have an increased volume, which is preferably filled with desiccant. As a result, the life of an insulating glazing invention is improved.
  • the spacers are preferably linked together by corner connectors.
  • corner connectors may for example be designed as a plastic molded part with seal, in which two provided with a fermentation section spacers collide.
  • the most varied geometries of insulating glazing are possible, for example rectangular, trapezoidal and rounded shapes.
  • the spacer according to the invention can be bent, for example, in the heated state.
  • the seal preferably contains a polyisobutylene.
  • the polyisobutylene may be a crosslinking or non-crosslinking polyisobutylene.
  • the outer sealant preferably contains polymers or silane-modified polymers, more preferably organic polysulfides, silicones, room-temperature vulcanizing (RTV) silicone rubber, peroxide-crosslinked silicone rubber and / or addition-crosslinked silicone rubber, polyurethanes and / or butyl rubber.
  • polymers or silane-modified polymers more preferably organic polysulfides, silicones, room-temperature vulcanizing (RTV) silicone rubber, peroxide-crosslinked silicone rubber and / or addition-crosslinked silicone rubber, polyurethanes and / or butyl rubber.
  • the first pane, the second pane and / or the third pane of the insulating glazing preferably contain glass and / or polymers, more preferably quartz glass, borosilicate glass, soda-lime glass, polymethyl methacrylate and / or mixtures thereof.
  • the gas and vapor barrier is covered with a thin film of the outer sealant material.
  • the thin film has a thickness of 0.5 mm to 1 mm. The thin film protects the gas and vapor-tight barrier, especially in the region of the support edge against damage, for example during assembly. Since it is a very thin film, the effect of the thermal decoupling not affected by the separation of the outer pane spaces.
  • the first disc and the second disc have a thickness of 2 mm to 50 mm, preferably 3 mm to 16 mm, both discs can also have different thicknesses.
  • the third disc has a thickness of 1 mm to 4 mm, preferably 1 mm to 3 mm, and particularly preferably 1.5 mm to 3 mm.
  • the spacer for the insulating glazing according to the invention allows by the tension-free fixing an advantageous reduction of the thickness of the third disc with the same stability of the glazing.
  • the thickness of the third disc is less than the thicknesses of the first and second discs.
  • the thickness of the first disc is 3 mm
  • the thickness of the second disc is 4 mm
  • the thickness of the third disc is 2 mm.
  • the insulating glazing is filled with a protective gas, preferably with a noble gas, preferably argon or krypton, which reduce the heat transfer value in the insulating glazing gap.
  • a protective gas preferably with a noble gas, preferably argon or krypton, which reduce the heat transfer value in the insulating glazing gap.
  • the third pane of the insulating glass preferably has a low-E coating.
  • low-E coatings the thermal insulation capacity of the insulating glazing can be further increased and improved.
  • These coatings are heat radiation reflective coatings that reflect a significant portion of the infrared radiation, resulting in reduced warming of the living space in the summer.
  • the various low-E coatings are known, for example DE 10 2009 006 062 A1 . WO 2007/101964 A1 .
  • EP 1 218 307 B1 and EP 1 917 222 B1 are known, for example DE 10 2009 006 062 A1 . WO 2007/101964 A1 .
  • EP 0 912 455 B1 . DE 199 27 683 C1 .
  • EP 1 218 307 B1 and EP 1 917 222 B1
  • the third pane of the insulating glass is preferably not biased.
  • the disc is fixed in the groove with flexible side edges and not by an adhesive connection.
  • the spacer in the insulating glazing invention allows the production of a triple glazing with a low-E coating on the third disc, without biasing the third disc is necessary.
  • a bias of the third disc would be necessary to compensate for occurring voltages.
  • the insulating glazing according to the invention eliminates the biasing process, whereby a further cost reduction can be achieved.
  • the stress-free fixation in the groove the thickness and thus the weight of the third disc can be further advantageously reduced.
  • the outer seal is arranged so as to cover at least 90% of the portion of the first pane defining the first outer pane space, at least the portion of the second pane bounding the second outer pane space 90% covered, the first outer surface and the second outer surface covered at least 40% and at most 60%.
  • a good seal of the spacer is achieved.
  • the outer seal a good mechanical stabilization of the edge bond.
  • external sealing and thus material costs can be saved in comparison to the complete filling of the outer pane interspaces.
  • the outer pane spaces are completely filled with outer sealing. This achieves a very good mechanical stabilization of the edge bond.
  • At least one insert in the groove is mounted so that a gas exchange is possible between the two inner disc spaces.
  • a pressure equalization between the inner disc spaces is made possible, which leads to a significant reduction in the load of the third disc compared to a version with hermetically sealed inner disc spaces.
  • the hollow chambers of the spacer for the insulating glazing according to the invention not only contribute to the flexibility of the side edges, but also lead to a weight reduction in comparison to a solid-shaped spacer and are available for receiving other components, such as a desiccant available.
  • the first disc contact surface and the second disc contact surface represent the sides of the spacer at which the installation of the spacer, the mounting of the outer discs (first disc and second disc) of a glazing is done.
  • the first disc contact surface and the second disc contact surface are parallel to each other.
  • the glazing interior surfaces are defined as the surfaces of the polymeric base body facing the interior of the glazing after installation of the spacer in insulating glazing.
  • the first glazing interior surface lies between the first and the third pane, while the second glazing interior surface is arranged between the third and the second pane.
  • the outer surface of the polymeric base body is the side facing the glazing interior surfaces facing away from the interior of the insulating glazing in the direction of an outer insulating layer.
  • the distance between glazing interior surfaces and the edges of the outer panes of the glazing unit is the sum of the total height of the spacer and the thickness of the outer sealant layer.
  • the spacer in the insulating glazing invention corresponds to the distance between the glazing interior surfaces and the edges of the outer panes of the total height h G of the polymeric body. Due to the angled geometry of the first and second outer surfaces, the depth of the groove h N is increased in comparison to spacers for prior art double glazing because with the same spacing between glazing interior surfaces and edges of the outer panes of the glazing, a greater depth of groove h N is achieved can be.
  • the bottom surface of the groove directly adjoins the support edge of the polymeric base body, without extending one or both hollow chambers below the groove.
  • the greatest possible depth of the groove h N is achieved, wherein the surface the side flanks is maximized to stabilize the disc. This achieves improved stabilization of the middle pane.
  • the angle ⁇ (alpha) is preferably between 130 ° and 150 °. At these angles, an optimal enlargement of the hollow chambers is achieved while stabilizing the body.
  • a gas and vapor-tight barrier on the first outer surface, the second outer surface, the bearing edge of the polymeric body and at least a portion of the disc contact surfaces is attached.
  • the gas- and vapor-proof barrier improves the tightness of the spacer against gas loss and penetration of moisture.
  • the barrier is applied to about half to two-thirds of the wafer contact surfaces.
  • the gas and vapor-tight barrier is designed as a film.
  • This barrier film contains at least one polymeric layer as well as a metallic layer or a ceramic layer.
  • the layer thickness of the polymeric layer is between 5 .mu.m and 80 .mu.m, while metallic layers and / or ceramic layers having a thickness of 10 nm to 200 nm are used. Within the stated layer thicknesses, a particularly good tightness of the barrier film is achieved.
  • the barrier film can be applied to the polymeric base body, for example by gluing. Alternatively, the film can be co-extruded with the base body.
  • the barrier film contains at least two metallic layers and / or ceramic layers, which are arranged alternately with at least one polymeric layer.
  • the layer thicknesses of the individual layers are preferably as described in the preceding paragraph.
  • the outer layers are preferably formed by the polymeric layer.
  • the metallic layers are particularly well protected against damage.
  • the alternating layers of the barrier film can be bonded or applied to one another in a variety of methods known in the art. Methods for the deposition of metallic or ceramic layers are well known to those skilled in the art.
  • the use of a barrier film with alternating layer sequence is particularly advantageous in terms of the tightness of the system. An error in one of the layers does not lead to a loss of function of the Barrier film.
  • the polymeric layer of the film preferably comprises polyethylene terephthalate, ethylene vinyl alcohol, polyvinylidene chloride, polyamides, polyethylene, polypropylene, silicones, acrylonitriles, polyacrylates, polymethyl acrylates and / or copolymers or mixtures thereof.
  • the metallic layer preferably contains iron, aluminum, silver, copper, gold, chromium and / or alloys or oxides thereof.
  • the ceramic layer of the film preferably contains silicon oxides and / or silicon nitrides.
  • the gas and vapor-tight barrier is preferably designed as a coating.
  • the coating contains aluminum, aluminum oxides and / or silicon oxides and is preferably applied by means of a PVD process (physical vapor deposition).
  • PVD process physical vapor deposition
  • the groove corresponds in width to at least the thickness of the disk to be used.
  • the groove is wider than the disc mounted therein, so that in addition an insert can be inserted into the groove, which prevents slipping of the disc and a consequent noise during opening and closing of the window.
  • the insert also compensates for the thermal expansion of the third disc when heated, so that regardless of the climatic conditions, a tension-free fixation is guaranteed.
  • the use of a liner is advantageous in terms of minimizing the variety of variants of the spacer. In order to keep the variety as small as possible and still allow a variable thickness of the middle disc, a spacer with various deposits are used. The variation of the insert is much cheaper than the variation of the spacer in terms of production costs.
  • the insert preferably contains an elastomer, more preferably a butyl rubber.
  • the insert is preferably mounted such that the first inner pane clearance, which lies between the first pane and the third pane, is connected to the second inner pane spacing, which lies between the third pane and the second pane, so that an air or gas exchange is possible .
  • This allows pressure equalization between the inner panes of the panes, which results in a significant reduction in the load on the third pane as compared to a version with hermetically sealed internal panes.
  • the insert is preferably attached with interruptions in the groove of the polymeric body. That is, the insert is not continuous along the entire spacer profile, but only in discrete areas where the disk is fixed to prevent rattling of the disk in the groove. In the areas without insert a pressure equalization can take place.
  • the insert consists of a gas-permeable designed material, for example, a porous foam, which is also a pressure equalization between adjacent inner space between the panes possible.
  • the spacer is mounted without insertion in the groove.
  • the wall thickness d 'of the side edges is reduced in comparison to the wall thickness d of the polymer body, whereby an increased flexibility of the side edges arises. If d 'is chosen smaller than d, the flexibility of the side edges can be increased, so that they compensate for a thermal expansion of the third disc without the use of an insert and thus at any time a tension-free fixation is guaranteed. It has been found that a wall thickness of the side flanks of d ' ⁇ 0.85 d, preferably of d' ⁇ 0.7 d, particularly preferably of d ' ⁇ 0.5 d, is particularly suitable for this purpose. When no liner is fitted in the groove, the first disc space and the second disc space are not sealed airtight from each other. This has the advantage that an air circulation can be generated, in particular if a pressure equalization system is integrated into the spacer.
  • the described embodiments are combined, wherein both an insert is used and the wall thickness of the side edges is reduced.
  • This compensates for the thermal expansion of the third disc both by the flexibility of the side edges and also by the insert.
  • the insert is formed directly on the polymeric base body and thus formed integrally therewith, wherein the polymeric base body and the insert are co-extruded.
  • the side flanks of the groove may be both parallel to the disc contact surfaces as well as inclined in one or the other direction.
  • a slope of the side edges in the direction of the third disc a taper is generated, which can serve to fix the third disc targeted.
  • curved side flanks are also conceivable, with only the middle section of the side flanks resting against the third pane.
  • Such a curvature of the side edges is particularly advantageous in conjunction with a reduced wall thickness d 'of the side edges.
  • the curved side edges have a very good spring action, especially for small wall thicknesses. Thereby, the flexibility of the side edges is further increased, so that a thermal expansion of the third disc can be compensated for particularly advantageous.
  • the curved side edges of the disc are made of a different material than the polymeric base body and co-extruded with it. This is particularly advantageous because it allows the flexibility of the side flanks to be selectively increased by the choice of a suitable material while maintaining the rigidity of the polymeric base.
  • the polymeric base preferably contains polyethylene (PE), polycarbonates (PC), polypropylene (PP), polystyrene, polybutadiene, polynitriles, polyesters, polyurethanes, polymethylmethacrylates, polyacrylates, polyamides, polyethylene terephthalate (PET), polybutylene terephthalate (PBT), preferably acrylonitrile-butadiene Styrene (ABS), acrylic ester-styrene-acrylonitrile (ASA), acrylonitrile-butadiene-styrene / polycarbonate (ABS / PC), styrene-acrylonitrile (SAN), PET / PC, PBT / PC and / or copolymers or blends thereof. Particularly good results are achieved with these materials.
  • the polymeric base body is glass fiber reinforced.
  • the thermal expansion coefficient of the body can be varied and adjusted.
  • the main body preferably has a glass fiber content of 20% to 50%, particularly preferably from 30% to 40%. The glass fiber content in the polymer base body simultaneously improves the strength and stability.
  • the polymeric base body is filled by hollow glass spheres or glass bubbles. These glass bubbles have a diameter of 10 microns to 20 microns and improve the stability of the polymeric hollow profile. Suitable glass beads are commercially available under the name "3M TM Glass Bubbles". Particularly preferably, the polymeric base body contains polymers, glass fibers and glass beads. An admixture of glass beads leads to an improvement in the thermal properties of the hollow profile.
  • the polymeric base body is made of wood or wood / polymer mixtures. Wood has a low thermal conductivity and is environmentally friendly as a renewable raw material.
  • the polymeric base body preferably has an overall width of 10 mm to 50 mm, particularly preferably 20 mm to 36 mm, along the glazing interior surfaces.
  • width of the glazing interior surfaces of the distance between the first and third disc or between the third and second disc is determined.
  • widths of the first glazing interior space and the second glazing interior space are equal.
  • asymmetric spacers are possible in which the two glazing interior surfaces have different widths.
  • the exact dimension of the glazing interior surfaces depends on the dimensions of the glazing and the desired space between the panes.
  • the polymeric base body preferably has an overall height h G of 8.5 mm to 15 mm.
  • the total height h G corresponds to the distance between glazing interior surfaces and support edge.
  • the groove preferably has a depth h N of 7.5 mm to 14 mm, more preferably from 7.5 mm to 9.5 mm. As a result, a stable fixation of the third disc can be achieved.
  • the groove may alternatively also have a smaller depth than 7.5 mm. This is particularly suitable for a desired reinforcement of the wall thickness d B in the region of the bottom surface of the groove, whereby the stabilization of the weight of a middle disc can be improved.
  • the wall thickness d of the polymeric base body is preferably 0.5 mm to 1.5 mm, particularly preferably 0.7 mm to 1.2 mm.
  • the wall thickness d B in the region of the bottom surface of the groove or in the region of the support edge is preferably the same size as the wall thickness of the polymer base body.
  • the wall thickness d B is greater than the wall thickness d of the polymeric base body in order to achieve improved stabilization of the middle pane.
  • the support edge is at least 3 mm wide, preferably between 3 mm and 10 mm wide. With these dimensions, the middle disc can be stabilized well.
  • the polymeric base body preferably contains a drying agent, preferably silica gels, molecular sieves, CaCl 2 , Na 2 SO 4 , activated carbon, silicates, bentonites, zeolites and / or mixtures thereof. These desiccants have proven to be particularly suitable.
  • the desiccant is preferably in the first and second hollow chamber of the body. Due to the angled geometry of the outer surfaces, the hollow chambers have a particularly large volume and can therefore absorb a lot of desiccant. A larger amount of desiccant extends the life of the insulating glazing.
  • the first glazing interior surface and / or the second glazing interior surface have at least one opening.
  • a plurality of openings are attached to both glazing interior surfaces.
  • the total number of openings depends on the size of the glazing.
  • the openings connect the hollow chambers with the disc spaces, whereby a gas exchange between them is possible.
  • a recording of humidity is allowed by a desiccant located in the hollow chambers and thus prevents fogging of the discs.
  • the openings are preferably designed as slots, particularly preferably as slots with a width of 0.2 mm and a length of 2 mm. The slots ensure optimum air exchange without the possibility of desiccants penetrating from the hollow chambers into the interpane spaces.
  • the polymeric body contains more than one groove.
  • the spacer can thus accommodate more than one center disc and be used to make multiple insulating glazings with more than three panes.
  • this pre-assembled component can be processed on a conventional double-glazing system known in the art.
  • the costly installation of additional plant components or a loss of time in a multi-pass a plant as in the use of multiple spacers can thus be avoided.
  • no biasing the third disc necessary, since the spacer for the insulating glazing invention with insert the disc fixed stress-free in its scope.
  • a spacer for a prior art glazing which receives a third disc in a groove, it may come to a failure of the seal between disc contact surfaces and first and second disc due to the additional weight of the third disc.
  • the filling with the material of the outer seal can be carried out with a standard device for triple insulating glazings.
  • These systems usually use two nozzles, which are each guided between an outer disc and adjacent middle disc, the two disc edges serve as a guide.
  • the outer edge of the spacer takes over the function of the middle disc and serves as a guide for the nozzle for filling the outer pane spaces with the material of the outer seal.
  • the spacer is first preformed into a rectangle open on one side.
  • three spacers can be provided with a fermentation section and linked at the corners by corner connectors.
  • the spacers can also be welded directly to each other, for example by ultrasonic welding.
  • the third disc is inserted into the groove of the spacer.
  • the remaining open edge of the third disc is then also closed with a spacer.
  • a Insert be applied to the disc edges.
  • the processing of the preassembled component takes place according to the inventive method, wherein in the next step, the first disc is attached to the first disc contact surface.
  • the inner disc spaces between the first disc and the third disc and between the second disc and third disc are filled with a protective gas before pressing the disc assembly.
  • the invention further includes the use of a spacer for the insulating glazing according to the invention in insulating glazings, particularly preferably in triple insulating glazings.
  • the invention further comprises the use of the insulating glazing according to the invention as building interior glazing, building exterior glazing and / or facade glazing.
  • FIG. 1a, b shows two cross sections of the spacer I for the insulating glazing according to the invention.
  • the glass-fiber-reinforced polymeric base body 1 comprises a first wheel contact surface 2.1, a second wheel extending parallel thereto Disk contact surface 2.2, a first glazing interior surface 3.1, a second glazing interior surface 3.2 and an outer surface, which is divided into three sections: a first outer surface 4.1, a support edge 23 and a second outer surface 4.2.
  • the support edge 23 extends perpendicular to the disc contact surfaces 2.1 and 2.2. and connects the first outer surface 4.1 and the second outer surface 4.2 with each other.
  • first hollow chamber 5.1 Between the first outer surface 4.1 and the first glazing interior surface 3.1 there is a first hollow chamber 5.1, while a second hollow chamber 5.2 is arranged between the second outer surface 4.2 and the second glazing interior surface 3.2. Between the two hollow chambers 5.1 and 5.2 there is a groove 6 which runs parallel to the disc contact surfaces 2.1 and 2.2. The side edges 7 of the groove 6 are formed by the walls of the two hollow chambers 5.1 and 5.2, while the bottom surface of the groove 6 borders on the outer edge 23.
  • the wall thickness d of the polymer body is 1 mm. In the region of the support edge 23, the wall thickness d B is 1.2 mm and is thus additionally reinforced, whereby a third disc 15 in the groove 6 can be better stabilized.
  • the first outer surface 4.1 and the second outer surface 4.2 close to the edge 23 in each case an angle ⁇ of about 150 °.
  • the polymeric body 1 contains styrene-acrylonitrile (SAN) with about 35 wt .-% glass fiber.
  • the glazing interior surfaces 3.1 and 3.2 have openings 8 at regular intervals, which connect the hollow chambers 5.1 and 5.2 with the air space lying above the glazing interior surfaces 3.1 and 3.2.
  • the spacer I has a total height h G of 12 mm and a total width of 36 mm.
  • the first glazing interior surface 3.1 is 16 mm and the second glazing interior surface 3.2 is 16 mm wide.
  • the total width of the spacer I results here as the sum of the widths of the glazing interior surfaces 3.1 and 3.2 and the thickness of the third disc 15 to be inserted into the groove 6.
  • the support edge 23 is approximately 5 mm wide.
  • the depth of the groove h N results from the difference between the total height of the polymeric base body h G and the wall thickness in the region of the bearing edge d B.
  • FIG. 2 shows a cross section of the spacer I for the insulating glazing according to the invention.
  • the spacer shown corresponds in its basic features to the in FIG. 1 shown spacers.
  • a gas and vapor-tight barrier film 12 is attached on the first outer surface 4.1, the support edge 23 and the second outer surface 4.2.
  • the barrier film 12 also extends over about 50% of the first and second disk contact surfaces 2.1 and 2.2. This will be a particularly good Sealing of the spacer I achieved.
  • the barrier film 12 can be attached to the polymeric base body 1, for example with a polyurethane hot melt adhesive.
  • the barrier film 12 comprises four polymeric layers of polyethylene terephthalate having a thickness of 12 microns and three metallic layers of aluminum with a thickness of 50 nm. The metallic layers and the polymer layers are each mounted alternately, wherein the two outer layers of polymeric layers become.
  • FIG. 3 shows a cross section through a glazing according to the prior art.
  • the polymeric base body 1 comprises a first wheel contact surface 2.1, a second wheel contact surface 2.2 extending parallel thereto, a first glazing interior surface 3.1, a second glazing interior surface 3.2 and an outer surface 4.
  • the entire outer surface 4 extends perpendicular to the wheel contact surfaces 2.1, 2.2 and connects the wheel contact surfaces 2.1. 2.2.
  • the side edges 7 of the groove 6 are formed by the walls of the two hollow chambers 5.1 and 5.2.
  • the first disc 13 of the triple insulating glazing is connected via a seal 10 to the first disc contact surface 2.1 of the spacer I, while the second disc 14 is connected via a seal 10 with the second disc contact surface 2.2.
  • the space between the first pane 13 and the third pane 15 delimited by the first glazing interior space 3.1 is defined as the first inner pane space 17.1, and the space between the third pane 15 and the second pane 14 bounded by the second glazing interior space 3.2 is the second inner pane space 17.2 Are defined.
  • the inner pane spaces 17.1 and 17.2 are connected to the respective underlying hollow chamber 5.1 and 5.2.
  • a third disc 15 is inserted via an insert 9 of a sealant which fixes the third disc and the two inner disc spaces 17.1, 17.2 hermetically separated from each other.
  • the depth of the groove 6 is smaller than the height of the disc contact surfaces 2.1, 2.2.
  • the disc may depend on the wall thickness of the polymeric Main body over a height of at most 4 mm are stabilized by the side edges of the groove 7.
  • the outer pane clearance 24 delimited by the outer surface 4 and the first disk 13 and the second disk 14 is completely filled with outer seal 16.
  • FIG. 4 shows a cross section of an insulating glazing according to the invention.
  • the spacer I corresponds to the in FIG. 2 described spacers.
  • the first disc 13 of the triple insulating glazing is connected via a seal 10 to the first disc contact surface 2.1 of the spacer I, while the second disc 14 is connected via a seal 10 with the second disc contact surface 2.2.
  • the seal 10 is made of a polyisobutylene.
  • the insert 9 encloses the edge of the third disc 15 and fits flush into the groove 6 a.
  • the insert 9 is made of butyl rubber and covers the bottom surface 26 and part of the side edges 7.
  • the insert 9 fixes the third disc 15 stress-free and compensates for thermal expansion of the disc. Furthermore, the insert 9 prevents noise by slipping the third disc 15.
  • the insert 9 is mounted so that between the two inner disc spaces 17.1, 17.2, a gas exchange is possible.
  • the insert 9 is not mounted continuously along the entire spacer profile, but divided into several parts. Where no insert 9 is mounted, then a gas exchange and thus a pressure equalization between the inner pane intermediate spaces 17.1 and 17.2 take place.
  • the inner pane spaces 17.1 and 17.2 are connected to the respective underlying hollow chamber 5.1 and 5.2.
  • a desiccant 11 which consists of molecular sieve.
  • the outer seal 16 completely covers the portion of the first disk 13 delimiting the first outer disk space 24.1 and covers the first outer surface 4.1 to about 50%. Thus, the edge bond can be stabilized mechanically excellent. At the same time can be saved compared to fully filled outer pane spaces 24.1, 24.2 outer seal 16. Since the outer seal 16 is adjacent to the seal 10, the edge seal is additionally sealed. The barrier 12, as in FIG. 2 is executed described seals the spacer I in the areas without outer seal 16 sufficiently. The thermal conductivity of the outer seal 16 is higher than that of the polymeric base body 1.
  • the insulating glazing according to the invention has due to the separate disc spaces 24.1, 24.2 improved insulation properties compared to a double glazing according to the prior art, as a thermal decoupling takes place by the separation. As in FIG.
  • insulating glazings according to the prior art have a continuous outer pane space 24 between first pane 13 and second pane 14, which is filled with the outer seal.
  • the geometry of the spacer I in the insulating glazing invention also leads to an improvement in the stabilization of the third disc 15 in the groove 6.
  • the distance between glazing interior surfaces 3.1., 3.2 to the edges of the outer discs 21, 22 is determined by the later window frame, because the seal 10 and the seal 16 are to be covered by the window frame of the finished insulating glass window. In the insulating glazing invention, this area is optimally utilized for the stabilization of the third disc 15 in the groove 6, since the depth of the groove h N is maximized.
  • the volume of the hollow chambers 5.1, 5.2 is increased in comparison to a prior art glazing, as in FIG. 3 shown.
  • the first disk 13 and the second disk 14 are made of soda-lime glass having a thickness of 3 mm
  • the third disk 15 is made of soda-lime glass having a thickness of 2 mm.
  • FIG. 5 shows an alternative embodiment of an insulating glazing according to the invention.
  • the insulating glazing corresponds in the basic features of FIG. 4 shown.
  • the outer pane interspaces 24.1, 24.2 are completely filled with the outer seal 16.
  • an optimal mechanical stabilization of the edge bond is achieved.
  • outer seal 16 is saved.
  • FIG. 6 shows a flowchart of a possible embodiment of the method according to the invention.
  • the polymeric base body 1 is provided and provided with an insert 9, if necessary.
  • the third disk 15 is provided and washed.
  • the third disc 15 is now inserted into the groove 6 of the spacer I according to the invention.
  • three spacers I can be preformed to a rectangle open on one side, wherein the third disc 15 is inserted into the groove 6 via the open side.
  • the fourth disc edge is closed with a spacer I.
  • the corners of the spacers are either welded or linked together via corner connectors.
  • Such a preassembled component can then be further processed in a classic double-glazing system.
  • the first pane 13 and the second pane 14 are mounted on the pane contact surfaces 2.1 and 2.2 via a respective seal 10.
  • the spacer I with integrated third pane 15 can be positioned without additional aids.
  • a protective gas can be introduced into the interpane spaces 17.1 and 17.2.
  • the insulating glazing is pressed.
  • an outer seal 16 is filled in the outer pane spaces 24.1 and 24.2 and stored the finished glazing for drying on a frame.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Joining Of Glass To Other Materials (AREA)
EP15801874.7A 2014-12-08 2015-12-01 Isolierverglasung Active EP3230544B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15801874T PL3230544T3 (pl) 2014-12-08 2015-12-01 Oszklenie izolacyjne

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14196707 2014-12-08
PCT/EP2015/078145 WO2016091648A1 (de) 2014-12-08 2015-12-01 Isolierverglasung

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EP3230544A1 EP3230544A1 (de) 2017-10-18
EP3230544B1 true EP3230544B1 (de) 2019-01-30

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US (1) US20170328119A1 (ko)
EP (1) EP3230544B1 (ko)
JP (1) JP6452822B2 (ko)
KR (1) KR20170094291A (ko)
CN (1) CN107002449A (ko)
DK (1) DK3230544T3 (ko)
PL (1) PL3230544T3 (ko)
TR (1) TR201905908T4 (ko)
WO (1) WO2016091648A1 (ko)

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WO2018068899A1 (de) * 2016-10-11 2018-04-19 Saint-Gobain Glass France Abstandhalter für isolierverglasungen
SE1700258A1 (sv) * 2017-10-26 2019-04-27 Qleanair Scandinavia Ab Bärlist för skivelement och bärram med sådana bärlister
EP3477035B1 (en) * 2017-10-30 2020-07-22 Technoform Glass Insulation Holding GmbH Spacer for photovoltaic applications
CN207553874U (zh) * 2017-11-24 2018-06-29 王书泉 一种节能安全复合窗
FR3076249A1 (fr) * 2017-12-29 2019-07-05 Saint-Gobain Glass France Procede et installation de fabrication d'un vitrage multiple
KR102515386B1 (ko) * 2018-01-22 2023-03-30 쌩-고벵 글래스 프랑스 절연 글레이징 및 창
KR102513687B1 (ko) * 2018-01-22 2023-03-24 쌩-고벵 글래스 프랑스 절연 글레이징, 윈도우 및 제조방법
KR102567521B1 (ko) * 2018-04-16 2023-08-16 쌩-고벵 글래스 프랑스 보강 요소를 갖는 스페이서
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Publication number Publication date
WO2016091648A1 (de) 2016-06-16
JP6452822B2 (ja) 2019-01-16
CN107002449A (zh) 2017-08-01
JP2018504536A (ja) 2018-02-15
KR20170094291A (ko) 2017-08-17
PL3230544T3 (pl) 2019-08-30
TR201905908T4 (tr) 2019-05-21
DK3230544T3 (da) 2019-05-13
EP3230544A1 (de) 2017-10-18
US20170328119A1 (en) 2017-11-16

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