EP2935748B1 - Isolierverglasung mit druckausgleichselement - Google Patents

Isolierverglasung mit druckausgleichselement Download PDF

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Publication number
EP2935748B1
EP2935748B1 EP13755991.0A EP13755991A EP2935748B1 EP 2935748 B1 EP2935748 B1 EP 2935748B1 EP 13755991 A EP13755991 A EP 13755991A EP 2935748 B1 EP2935748 B1 EP 2935748B1
Authority
EP
European Patent Office
Prior art keywords
gas
glazing
pressure
wall
spacer
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
EP13755991.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2935748A1 (de
Inventor
Günther Kotowski
Katrin AMEDICK
Walter Schreiber
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
Original Assignee
Saint Gobain Glass France SAS
Compagnie de Saint Gobain SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Saint Gobain Glass France SAS, Compagnie de Saint Gobain SA filed Critical Saint Gobain Glass France SAS
Priority to EP13755991.0A priority Critical patent/EP2935748B1/de
Priority to PL13755991T priority patent/PL2935748T3/pl
Publication of EP2935748A1 publication Critical patent/EP2935748A1/de
Application granted granted Critical
Publication of EP2935748B1 publication Critical patent/EP2935748B1/de
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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
    • E06B3/677—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
    • E06B3/66304—Discrete spacing elements, e.g. for evacuated glazing 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
    • E06B3/663—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
    • E06B3/54—Fixing of glass panes or like plates
    • E06B3/64—Fixing of more than one pane to a frame
    • 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
    • E06B3/6612—Evacuated glazing 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
    • E06B3/663—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
    • 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

Definitions

  • the invention relates to an insulating glazing with pressure compensation element, 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. This effect is particularly evident in skyscrapers with partial or complete glass facades.
  • 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 insulating glazing. Insulating glazings are indispensable in building construction, especially in the context of ever faster rising raw material prices and stricter environmental protection regulations. Insulating glazings therefore make up an increasing part of the outward glazing. Insulating glazing usually contains at least two glass or polymeric materials.
  • the disks are separated from each other by a gas or vacuum space defined by the spacer.
  • the thermal insulation capacity of insulating glass is significantly higher than that of single glass and can be further increased and improved in triple glazing or with special coatings.
  • Silver-containing coatings for example, enable a reduced transmission of infrared radiation and thus reduce the cooling of a building in winter.
  • optical and aesthetic features also increasingly play an important role in the field of building glazing.
  • the insulation not only plays an important role for cost reasons. Since the thermal insulation of the usually very thin compared to the glass masonry glass is poorer, improvements in this area are necessary.
  • the contact points between the spacer and the glass pane are very susceptible to temperature and climatic fluctuations.
  • the connection between the disc and the spacer is produced via an adhesive bond of organic polymer, for example polyisobutylene.
  • organic polymer for example polyisobutylene.
  • the glass expands or contracts again when it cools down. This mechanical movement simultaneously expands or compresses the adhesive bond, which can compensate for these movements only to a limited extent by its own elasticity.
  • the mechanical stress described may mean a partial or full-area detachment of the adhesive bond. This detachment of the adhesive bond can subsequently allow the ingress of atmospheric moisture within the insulating glazing.
  • DE 40 24 697 A1 discloses a waterproof multi-pane insulating glass comprising at least two glass sheets and a profile spacer.
  • the seal is made over polyvinylidene chloride films or coatings on the spacer.
  • the edge bonding can be done using a polyvinylidene chloride-containing solution.
  • EP 0 852 280 A1 discloses a spacer for multi-pane insulating glazings.
  • the spacer comprises a metal foil on the bonding surface and a glass fiber content in the plastic of the base body.
  • DE 196 25 845 A1 discloses an insulating glass unit having a thermoplastic olefin spacer.
  • the spacer has a water vapor permeability of less than 1 g mm / mm 2 - d and a high tensile strength and Shore hardness. Furthermore, the spacer comprises a gas-tight film as a water vapor barrier.
  • EP 0 261 923 A2 discloses a multi-pane insulating glazing with a moisture-permeable foam spacer with an integrated desiccant.
  • the arrangement is preferably sealed by an outer seal and a gas and moisture-proof film.
  • the film may contain metal-coated PET and polyvinylidene chloride copolymers.
  • DE 38 08 907 A1 discloses a multiple pane of glass with a vent channel passing through the edge seal and a desiccant-filled drying chamber.
  • EP 2 006 481 A2 discloses a device for pressure equalization for insulating glass units with enclosed gas volume, wherein in the spacer of the insulating glazing, a pressure compensation valve is introduced.
  • pressure compensation valves have a complicated mechanism in the form of several moving parts, which not only cause an increased error rate of the system but also cause significantly higher production costs.
  • Another disadvantage is the longer pressure equalization times of these insulating glazing systems. As a result, before the delivery of the glazing a prolonged compared to systems without pressure compensation storage is necessary.
  • only a replacement of limited volumes is possible by means of pressure compensation valves, whereby more valves are needed especially for large discs and each additional valve means a weakening of the system and additional production costs.
  • Leaks within the spacer can easily result in the loss of inert gas between the insulating glazings.
  • different noble gases or even air can be used.
  • it can also lead to easily penetrating moisture in the insulating glass.
  • Moisture generated precipitation between the panes of insulating glazing thus worsened significantly the optical quality and makes in many cases an exchange of the entire double glazing necessary.
  • a very dense insulating glazing is prone to air pressure or temperature fluctuations. With large temperature fluctuations, such as changing sunlight, are also associated with large pressure differences. These pressure differences can lead to deformations of the glazing itself or even of the frame. These deformations affect the life and the tightness of the adhesive bond between the glass panes and the spacer of the insulating glazing.
  • the object of the invention is to provide an insulating glazing, which allows an improved, long-term stable insulation without deformation of the discs without diminishing the sealing effect (aging) of the adhesive bond between the glass sheets and the spacer (Spacer) while easy installation.
  • the insulating glazing according to the invention with pressure compensation body comprises at least a first disc and second disc.
  • a circumferential spacer is located between the first disc and the second disc and is preferably fixed by a bond between spacers and discs.
  • the spacer comprises at least one hollow base body with at least two parallel disc contact walls, an outer wall with a gas-tight insulation layer and a glazing inner wall.
  • Polymer base bodies preferably contain polyethylene (PE), polycarbonates (PC), polypropylene (PP), polystyrene, polybutadiene, polynitriles, polyesters, polyurethanes, polymethylmethacrylates, polyacrylates, polyamides, polyethylene terephthalate (PET), polybutylene terephthalate (PBT), particularly preferably acrylonitrile.
  • PE polyethylene
  • PC polycarbonates
  • PP polypropylene
  • polystyrene polybutadiene
  • polynitriles polyesters
  • polyurethanes polymethylmethacrylates
  • polyacrylates polyamides
  • PET polyethylene terephthalate
  • PBT polybutylene terephthalate
  • ABS butadiene-styrene
  • ASA acrylic ester-styrene-acrylonitrile
  • ABS / PC acrylonitrile-butadiene-styrene - polycarbonate
  • SAN styrene-acrylonitrile
  • Polymeric base bodies may optionally also contain other constituents, such as glass fibers.
  • the polymeric materials used are usually gas-permeable, so that if this permeability is not desired further measures must be taken.
  • Metallic bodies are preferably made of aluminum or stainless steel and have no gas permeability.
  • the main body has a hollow chamber.
  • the walls of the body are gas-permeable in an advantageous embodiment. Areas of the body in which such a permeability is not desired, for example, be sealed with a gas-tight insulation layer. Particularly polymeric base bodies are used in combination with such a gas-tight insulation layer.
  • the base body is impermeable to gas, wherein a permeability can be achieved for example by introducing openings.
  • a permeability can be achieved for example by introducing openings.
  • openings are made in order to achieve a gas permeability.
  • the total number of openings depends on the size of the glazing.
  • the openings connect the hollow chamber with the interior of the insulating glass, whereby a gas exchange between them is possible.
  • 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 insulating glazing according to the invention further comprises a hollow pressure equalizing body with a gas-permeable and semipermeable membrane mounted therein.
  • the pressure compensation body comprises an outer wall.
  • the outer wall can be designed as a cylinder surface or as surfaces connected via corners and surrounds the hollow pressure compensation body.
  • the semipermeable membrane is secured in the hollow pressure balancing body so that gas exchange within the pressure balancing body must occur across the membrane.
  • the membrane is designed so that gases, preferably gases of the air, the membrane can happen and water is held back.
  • the pressure compensation body and a sealing compound are arranged in an outer space between the first disc and the second disc. The sealant fills the outer space between the panes and surrounds the pressure compensation body.
  • the insulating glazing with pressure compensation body according to the invention is an open system, wherein the pressure compensation body contains no valve and no moving parts. Pressure compensation valves have the disadvantage that only a certain volume can be exchanged and with large disks several valves are necessary.
  • the pressure compensation body according to the invention is inexpensive and can be integrated into any hollow profile spacers.
  • the pressure compensation body includes a sleeve (outer wall) and a membrane introduced therein, more preferably, the pressure compensation body consists of these two components.
  • the sleeve serves to fix the membrane in a suitable position.
  • the sleeve is gas-impermeable, so that an exchange of air can only take place via the membrane. Since the pressure compensation body according to the invention contains no mechanics, it is extremely durable.
  • the pressure compensation body is connected via a bore opening through the insulating layer and the outer wall with the spacer.
  • a sealant such as butyl (polyisobutylene / PIB) hermetically seals the gap between the outer wall of the pressure balance body and the spacer. Gas exchange with the atmosphere is possible only via the pressure compensation body due to the gas-tight insulation layer. In this way, a defined pressure and temperature compensation between glazing and environment is possible.
  • the sealant, especially butyl improves the sealing and strength of the pressure balance body.
  • the hollow base body contains a drying agent, preferably silica gel, CaCl 2 , Na 2 SO 4 , activated carbon, silicates, bentonites, zeolites and / or mixtures thereof, particularly preferably molecular sieves.
  • This desiccant is preferably introduced into the hollow chamber of the base body. This allows absorption of humidity by the desiccant and thus prevents fogging of the discs.
  • the hollow body has one or more bulkheads.
  • the bulkheads limit the direct gas flow through the body.
  • the bulkhead walls allow a Variation of the main body space which is in direct contact with the pressure compensation body.
  • the base body has a bulkhead, which is preferably arranged adjacent to the pressure compensation body. A gas exchange through the bulkhead is not possible, so that a gas flow through the pressure compensation body can pass through the body only in one direction.
  • the glazing interior wall of the spacer comprises a permeable region which connects the hollow chamber of the base body to the interior of the glazing gas-permeable.
  • the permeable region of the glazing interior wall has one or more openings and / or a gas-permeable wall, which allow a gas exchange.
  • the glazing interior surface further includes a gas impermeable region.
  • a second gas-tight insulation layer is mounted on the glazing interior wall in this gas-impermeable region.
  • the glazing interior wall has a gas-tight wall.
  • the gas-impermeable region preferably lies between the pressure compensation body and a permeable region. If the spacer has a bulkhead, the pressure compensation body is thus between the bulkhead and the gas-impermeable area, wherein the pressure compensation body is attached adjacent to the bulkhead and the glazing interior surface located between the pressure compensation body and the bulkhead is also gas-impermeable.
  • An air flow entering through the pressure compensation body thus flows along the gas-impermeable region of the spacer and then enters the interior of the insulating glazing in the following permeable region.
  • the air stream passes through the desiccant introduced in the hollow chamber of the spacer. Within the gas-impermeable region of the spacer, an exchange of air between the hollow chamber and the interior of the glazing is prevented.
  • the long-term stability and the insulating effect can be further improved, whereby a longer life of the glazing is achieved.
  • a dew point reduction to - 30 ° C should already be reached 24 hours after manufacture so that the product can be delivered shortly after production.
  • prior art double glazing with pressure equalization systems, such as pressure equalizing valves does not meet this standard, thus providing longer, costly, storage.
  • the insulating glazing according to the invention with pressure compensation body fulfills this standard and achieves the desired dew point reduction to 30 ° C. within 24 hours.
  • the length d of the gas impermeable region measured along the circumferential spacer is preferably at least 0.2 U, where U is the circumference of the spacer along the interior glazing wall.
  • a plurality of alternating permeable regions and gas-impermeable regions can be introduced into the glazing interior wall.
  • a gas-impermeable region and a permeable region are present, wherein the gas-impermeable region adjoins the pressure-equalizing body.
  • the glazing interior wall preferably comprises, in part or in sections, a second gas-tight insulation layer.
  • second gas-tight insulation layer in the context of the invention also includes a portion of the glazing interior wall which is not gas-permeable.
  • 5% to 50% of the glazing interior wall is covered or coated with the second gas-tight insulation layer.
  • This area of the glazing interior wall, which is coated with the gas-tight insulation layer forms the gas-impermeable area. This is possible for example, alternatively realize by a non-perforated gas-impermeable region of the glazing interior wall.
  • the gas-tight insulation layer and / or the second gas-tight insulation layer contain iron, aluminum, silver, copper, gold, chromium and / or alloys or mixtures thereof.
  • the metallic layer preferably has a thickness of 10 nm to 200 nm.
  • the hollow pressure compensation body is preferably connected via a constriction with the bore opening.
  • the constriction facilitates insertion of the pressure balance body into the bore opening and improves the sealing performance of the sealant such as a butyl cord.
  • the sealant preferably contains organic polysulfides, silicones, RTV (Raumtemperturvernetzenden) silicone rubber, HTV (hochtempertur-crosslinking) silicone rubber, peroxidischvernetzten silicone rubber and / or addition-crosslinked silicone rubber, polyurethanes, butyl rubber and / or polyacrylates.
  • additives for increasing the aging resistance for example UV stabilizers, may also be present.
  • the sleeve (outer wall) of the pressure compensation body comprises metals or gas-tight plastics, preferably aluminum, polyethylene vinyl alcohol (EVOH), low-density polyethylene (LDPE) and / or biaxially oriented polypropylene film (BOPP), more preferably polyethylene vinyl alcohol.
  • EVOH polyethylene vinyl alcohol
  • LDPE low-density polyethylene
  • BOPP biaxially oriented polypropylene film
  • the sleeve (outer wall) of the pressure compensation body preferably contains elastomers, preferably rubber, particularly preferably crosslinked polyisoprenes, RTV (room temperature curing) silicone rubber, HTV (high-temperature crosslinking) silicone rubber, peroxide-crosslinking silicone rubber and / or addition-crosslinked silicone rubber , Butyl rubber and / or mixtures thereof.
  • elastomers preferably rubber, particularly preferably crosslinked polyisoprenes, RTV (room temperature curing) silicone rubber, HTV (high-temperature crosslinking) silicone rubber, peroxide-crosslinking silicone rubber and / or addition-crosslinked silicone rubber , Butyl rubber and / or mixtures thereof.
  • the sealant preferably comprises butyl (polyisobutylene (PIB)), preferably as butyl cord.
  • PIB polyisobutylene
  • the invention further comprises a method for producing a pressure-balanced insulating glazing, wherein a spacer is provided on the outer wall with a gas-tight insulating layer.
  • the spacer comprises a hollow base body with two parallel disc contact walls, an outer wall and a glazing interior wall.
  • the spacer receives a hole opening through the outer wall.
  • the spacer is then placed together with an adhesive layer between a first disc and a second disc.
  • a hollow pressure balance body with a gas-permeable and semi-permeable membrane secured therein is secured in or at the bore opening.
  • a sealing means for example polyisobutylene, is arranged between the bore opening and the outer wall of the pressure compensation body.
  • An outer space between the first disk, the second disk, the hollow pressure compensation body and the spacer is finally filled with a sealing compound, for example polyurethane or polysulfide.
  • the hollow pressure compensation body is preferably provided with a removable closure, preferably a rubber closure.
  • the rubber closure must be removed again after the preparation of the insulating glazing to allow a pressure equalization according to the invention via the pressure compensation body.
  • the rubber closure prevents contamination of the pressure compensation body during the manufacture of the insulating glazing.
  • a butyl cord is preferably arranged as (sealing) sealant.
  • Butyl allows a long-term stable and well-formable sealing of the gap between the pressure compensation body and the gas-tight insulation layer.
  • 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. 1 shows a schematic cross section of the edge region of the insulating glazing according to the invention.
  • a spacer or spacer (3) is arranged between a first disc (1) and a second disc (2).
  • the spacer (3) comprises a hollow base body (5) with at least two parallel disc contact walls (5a, 5b), an outer wall (5c) with a gas-tight insulation layer (4), a Glazing interior wall (5d) and a hollow chamber (5e).
  • the main body (5) consists of a gas-permeable polymer.
  • the glazing interior wall (5d) is at least partially gas-permeable.
  • a gas-tight insulation layer (4) is arranged on the outer wall (5c.
  • This gas-tight insulation layer (4) prevents gas exchange between the spacer (3) and thus the interior (15) of the insulating glazing.
  • the outer wall (5c) has a bore opening (6) through the insulating layer (4) and the outer wall (5c).
  • a hollow pressure compensation body (7) with a gas-permeable and semipermeable membrane (8) fastened therein is connected to the spacer (3) via the bore opening (6).
  • the hollow pressure compensation body (7) comprises a surrounding outer wall (16a).
  • a constriction (13) and a surrounding sealing means (11) allow a very tight connection of the spacer (3) with the outer wall (16a) of the pressure compensation body (7).
  • the semipermeable membrane (8) allows a pressure equalization between the interior (15) of the insulating glazing and the outside atmosphere. This pressure equalization significantly reduces the bending of the panes (1, 2) of the insulating glazing, which otherwise would occur as a function of the outside temperature, without appreciable moisture being able to penetrate.
  • FIG. 2 shows a further schematic cross section of the edge region of the insulating glazing according to the invention.
  • the basic structure corresponds to that in FIG. 1 described.
  • the pressure compensation body (7) is arranged in this representation directly in the bore opening (6).
  • a surrounding sealing means (11) enables an airtight connection of the spacer (3) with the outer wall (16a) of the pressure compensation body (7).
  • FIG. 3 shows a cross section of the edge region of the insulating glazing according to the invention after completion.
  • the basic structure corresponds to that in FIG. 1 described.
  • a spacer (3) is arranged between a first disc (1) and a second disc (2).
  • An outer space between the panes (12) is filled with a sealing compound (9), for example organic polysulfide.
  • a hollow pressure compensation body (7) is connected to the spacer (3) via the bore opening (6).
  • the pressure compensation body (7) has a closure (14), which is removed after the installation or assembly of the insulating glazing. This closure (14) prevents contamination of the pressure compensation body (7).
  • FIG. 5a shows a schematic plan view of the spacer according to the invention (3), wherein the gas-tight insulation layer (4) is not shown. Shown are the glazing interior wall (5d) and the outer wall (5c) of the gas-permeable base body (5).
  • a single section of the glazing interior wall (5d) comprises a second gas-tight insulation layer (4b). In the region of the second gas-tight insulation layer (4b), no gas and pressure equalization is possible with the gas space located between the first disk (1), second disk (2) and the spacer (3), not shown.
  • a gas-tight or gas-permeable bulkhead (17) may be arranged in the spacer (3).
  • the bulkhead (17) or the second gas-tight insulation layer (4b) limit the direct gas flow through the hollow body (5). This limitation allows a variation of the main body space which is in direct contact with the pressure compensation body (7).
  • the bulkhead (17) and the second gas-tight insulation layer thus allow an adjustment of the pressure balance within the insulating glazing.
  • FIG. 5b shows a schematic plan view of another embodiment of the spacer (3) according to the invention. Shown are the glazing interior wall (5d) and the outer wall (5c) of the main body (5), between which the hollow chamber (5e) is located.
  • the hollow chamber (5e) is filled with desiccant.
  • the main body (5) consists of aluminum and is thus gas-tight.
  • a pressure compensation body (7) is introduced, which projects through the outer wall (5c) in the hollow chamber (5e).
  • the section of the glazing interior wall (5d) adjoining the pressure equalizing body (7) comprises a gas-impermeable region (19) in which gas and pressure equalization with the interior located between the panes is not possible.
  • the length d of the gas impermeable portion (19) measured along the glazing inner wall (5d) corresponds to half the circumference U of the spacer (3) along the glazing inner wall (5d).
  • Adjacent to the gas-impermeable region (19) is a permeable region (18) of the glazing interior wall (5d). In the permeable region (18), openings (20) are introduced into the glazing interior wall (5d), which in this area allow gas exchange between the hollow chamber (5e) and the interior.
  • the air stream is first pre-dried in the gas-impermeable region of the spacer before it then enters the interior of the insulating glazing in the subsequent permeable region.
  • the long-term stability and the insulating effect can be further improved, whereby a longer life of the glazing is achieved.
  • the glazing meets the standards for a dew point reduction to -30 ° C within 24 hours of manufacture. This effect was surprising and unexpected to the person skilled in the art.
  • FIG. 5c shows a schematic plan view of another embodiment of the spacer (3) according to the invention. Shown are the glazing interior wall (5d) and the outer wall (5c) of the main body (5), between which the hollow chamber (5e) is located.
  • the hollow chamber (5e) is filled with desiccant.
  • the main body (5) consists of a polymeric material and is gas permeable.
  • On the outer wall (5c) is a gas-tight insulating film (4), which is not shown in this illustration.
  • a gas-tight bulkhead (17) is introduced. Adjacent to the bulkhead (17), a pressure compensation body (7) is introduced, which projects through the outer wall (5c) in the hollow chamber (5e).
  • the section of the glazing interior wall (5d) adjacent to the pressure compensation body (7) comprises a second gas-tight insulation layer (4b).
  • a gas-impermeable region (19) in which no gas and pressure equalization with the interior located between the panes is possible.
  • the length d of the gas-impermeable region (19) measured along the glazing inner wall (5d) corresponds to half the circumference U of the spacer (3) along the glazing inner wall (5d).
  • Adjacent to the gas-impermeable region (19) is a permeable region (18) of the glazing interior wall (5d).
  • the wall of the base body (5) is permeable to gas, it is not necessary to provide further openings in the glazing interior wall (5b), but this is optionally also conceivable in the case of polymeric base bodies.
  • the gas-permeable wall ensures optimum exchange of air without drying agent from the hollow chamber (5e) can penetrate into the interior of the glazing.
  • the pressure equalization within the filled with desiccant spacer (3) takes place as in FIG. 5b described.
  • the embodiment according to FIG. 5c shows improved vitrification life and meets the standards for dew point reduction to -30 ° C within 24 hours of fabrication.
  • FIG. 6b shows a flow chart of another possible embodiment of the method for producing the insulating glass according to the invention with gas-impermeable base body (5).
  • the main features of the procedure correspond to those in FIG. 6a described, on the gas-impermeable base body (5) no insulation film (4) must be applied to ensure a tightness. Instead, openings (20) are introduced into the glazing interior wall (5d) in the first method step, thus creating a permeable region (18).
  • the further processing is analogous to that in FIG. 6a described method.

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)
EP13755991.0A 2012-12-20 2013-08-20 Isolierverglasung mit druckausgleichselement Active EP2935748B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP13755991.0A EP2935748B1 (de) 2012-12-20 2013-08-20 Isolierverglasung mit druckausgleichselement
PL13755991T PL2935748T3 (pl) 2012-12-20 2013-08-20 Przeszklenie izolacyjne z elementem wyrównującym ciśnienie

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12198381 2012-12-20
PCT/EP2013/067278 WO2014095097A1 (de) 2012-12-20 2013-08-20 Isolierverglasung mit druckausgleichselement
EP13755991.0A EP2935748B1 (de) 2012-12-20 2013-08-20 Isolierverglasung mit druckausgleichselement

Publications (2)

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EP2935748A1 EP2935748A1 (de) 2015-10-28
EP2935748B1 true EP2935748B1 (de) 2019-07-31

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EP (1) EP2935748B1 (ja)
JP (1) JP6165266B2 (ja)
KR (1) KR101795897B1 (ja)
CN (1) CN104870738B (ja)
CA (1) CA2893932C (ja)
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WO (1) WO2014095097A1 (ja)

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US10323454B2 (en) * 2015-09-22 2019-06-18 Bombardier Inc. Passive system and method for venting and reducing moisture within a window cavity
WO2017056422A1 (ja) * 2015-09-29 2017-04-06 パナソニックＩｐマネジメント株式会社 ガラスパネルユニットおよびガラス窓
KR101629333B1 (ko) * 2016-02-17 2016-06-13 (주)디컴 금속 보강 플라스틱 복층유리 단열간봉
BR112019004324A2 (pt) * 2016-09-20 2019-05-28 Saint Gobain vitrificação de isolamento e uso da mesma
KR101763108B1 (ko) * 2016-10-26 2017-07-31 (주)부양소재 폴리카보네이트 층의 이중 창호
JP6912671B2 (ja) * 2017-12-07 2021-08-04 サン−ゴバン グラス フランス 膜及びキャピラリーを有する均圧体を備えた絶縁グレージング
WO2019120788A1 (de) 2017-12-20 2019-06-27 Saint-Gobain Glass France Abstandhalter mit nut für isolierverglasungen
WO2019141484A1 (de) 2018-01-16 2019-07-25 Saint-Gobain Glass France Isolierverglasung und verfahren zu deren herstellung
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US9290986B2 (en) 2016-03-22
CA2893932A1 (en) 2014-06-26
JP2016506465A (ja) 2016-03-03
PL2935748T3 (pl) 2019-12-31
CA2893932C (en) 2017-10-24
KR101795897B1 (ko) 2017-11-08
JP6165266B2 (ja) 2017-07-19
WO2014095097A1 (de) 2014-06-26
EP2935748A1 (de) 2015-10-28
KR20150086513A (ko) 2015-07-28
CN104870738B (zh) 2017-05-03
CN104870738A (zh) 2015-08-26
US20150322708A1 (en) 2015-11-12

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