EP3341548A1 - Cornière de raccordement pour vitrages isolants - Google Patents

Cornière de raccordement pour vitrages isolants

Info

Publication number
EP3341548A1
EP3341548A1 EP16757035.7A EP16757035A EP3341548A1 EP 3341548 A1 EP3341548 A1 EP 3341548A1 EP 16757035 A EP16757035 A EP 16757035A EP 3341548 A1 EP3341548 A1 EP 3341548A1
Authority
EP
European Patent Office
Prior art keywords
leg
corner connector
corner
region
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.)
Withdrawn
Application number
EP16757035.7A
Other languages
German (de)
English (en)
Inventor
Katrin Frank
Andreas NOSITSCHKA
Wolfgang Von Avenarius
Markus STAHL-BIDINGER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Saint Gobain Glass France SAS
Compagnie de Saint Gobain SA
Original Assignee
Saint Gobain Glass France SAS
Compagnie de Saint Gobain SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Saint Gobain Glass France SAS, Compagnie de Saint Gobain SA filed Critical Saint Gobain Glass France SAS
Publication of EP3341548A1 publication Critical patent/EP3341548A1/fr
Withdrawn legal-status Critical Current

Links

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
    • E06B3/667—Connectors therefor
    • 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
    • E06B3/673—Assembling the units
    • E06B3/67304—Preparing rigid spacer members before assembly
    • E06B3/67308—Making spacer frames, e.g. by bending or assembling straight sections
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/673—Assembling the units
    • E06B3/67304—Preparing rigid spacer members before assembly
    • E06B3/67321—Covering spacer elements, e.g. with sealants
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—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
    • E06B3/673—Assembling the units
    • E06B3/67365—Transporting or handling panes, spacer frames or units during assembly

Definitions

  • the invention relates to a corner connector for insulating glazing, a glazing with such a corner connector, a method for its preparation and its use.
  • Insulating glazings are made of at least two panes, which are connected to each other via at least one circumferential spacer.
  • these spacers are designed as hollow body profiles, the side surfaces of which abut the discs, while the inner sides of the spacer point in the direction of the disc space.
  • This is referred to as glazing interior space between the panes is filled with air or gas, but in any case free of moisture. Too high a content of moisture in the glazing gap leads to the condensation of water droplets in the space between the panes, especially at cold outside temperatures, which must be avoided at all costs.
  • hollow body spacers filled with a desiccant may be used, for example.
  • WO 2013/104507 A1 describes a polymeric hollow-body spacer with improved tightness and insulation effect.
  • hollow body spacers When mounting a glazing unit hollow body spacers are used in the form of individual profiles, whose length varies according to the length of the manufactured glazing. These are assembled in the subsequent assembly step by means of connectors to form a hollow profile frame.
  • Connectors can be used in the form of straight connectors on the glazing edges as well as corner connectors. At such connectors are diverse requirements in terms of stability of the connector and in the sense of a rapid production process. On the one hand, it must be ensured that the connectors are easy to apply in the production process, on the other hand, it must be ensured during further handling of the profile frames that the connectors remain under force in the hollow profile and do not slip out.
  • DE 19850491 A1 discloses a metal connector for spacers which has locking elements which prevent the connector from slipping out of the spacer profile.
  • Recent developments in the field of connectors are rather directed to polymeric connectors that are easy and inexpensive to produce by injection molding.
  • EP 2281994 A2, EP 2066861 B1 and DE 202012103899 U1 be mentioned.
  • a variety of technical advances in this area mainly concerns the secure locking of the connector in the spacer by various retaining elements and the compensation of manufacturing tolerances of the spacer through the connector.
  • DE 38221 17 A1 discloses a corner connector for connecting hollow profile spacers of insulating glazings, which has an improved tightness.
  • WO 2012/139908 A1 discloses a corner bracket for hollow profile spacers of insulating glazings, wherein the corner angle has two legs with on the inside of the leg each an inner region with anchoring ribs and an outer region with sealing ribs. The inner area is adjacent to the corner of the corner angle.
  • the height of the anchoring ribs within the inner region is constant, while the height of the sealing ribs within the outer region is also constant and the sealing ribs have a greater height than the anchoring ribs.
  • a frame made up of a plurality of spacers and connectors is first preassembled, to which a plurality of disks are applied in the further process. If a rectangular shape of the subsequent glazing is desired, which is by far the most common geometry shape, four spacer profiles with four corner connectors are assembled into a frame. In the further process steps must be ensured by a corresponding design of the corner connector that this remains even when transporting the frame in the spacer and does not slip out. Even with a sufficient lock However, the corner connector may cause damage to the spacer by transport. With manual handling of the frame, it is grabbed by a production worker at two opposite edges and placed in the appropriate place in the production line.
  • the object of the invention is to provide a corner connector for hollow profile spacers of insulating glazings, which prevents damage to the spacer during transport of a preassembled spacer profile frame, an insulating glazing with such a corner connector, and to provide a method for their preparation.
  • the corner connector comprises at least a first leg and a second leg, which are connected via a corner region, wherein the corner connector can be inserted by means of the legs in a hollow profile spacers of insulating glazings.
  • the first and the second leg of the corner connector each comprise at least one leg inner side, which after mounting the corner connector in an insulating glazing in the direction of the profile bottom of the spacer and the glazing interior and at least one leg outside, in the mounted state to the profile roof of the spacer and the outer pane space point.
  • the corner connector has at least two end faces, which are directed into a hollow profile spacer in the cavity after insertion of the legs, wherein the side surfaces of the corner connector abut the side walls of the spacer.
  • the leg inner sides, the leg outer sides and / or the side surfaces of the corner connector comprise one or more retaining elements, which prevent slipping out of the corner connector after insertion into the hollow body spacers.
  • the number and positioning of the retaining elements depends on their design and retention force.
  • the Leg inner sides of the corner connector each have an inner bearing surface which receives the profile bottom of the spacer after insertion into a spacer.
  • the bearing surfaces can be formed both directly by the inner side of the leg as well as indirectly by attached to the leg inside elements. The bearing surfaces are thus defined as the surfaces of the inner side of the leg, which can at least partially come into contact with the profile bottom of a plugged Hohlprofilabstandshalters.
  • the inner bearing surfaces can be formed both from a continuous continuous surface, as well as from a discontinuous surface, which consists of several adjacent individual segments.
  • the inner bearing surfaces comprise an inner region adjacent to the corner region and an outer region.
  • the outer area adjoins the inner area and lies between the inner area and the front side of the corner connector.
  • the inner region of the corner connector has, starting from the corner region, a positive slope in the direction of the end face of the associated leg.
  • the support surface thus increases in the inner region of the inner side of the leg from the corner in the direction of the outer region and the front side.
  • the outer region can either also have a slope or run parallel to the outer side of the leg.
  • the inner region of the corner connector starting from the corner region has a positive slope in the direction of the end face of the associated leg and the support surface thus increases in this inner region of the inner leg side of the corner region in the direction of the outer region and the front side, is one plugged onto the corner connector Hollow profile spacers in the inner region of the corner connector not directly to this.
  • the spacer is in contact with the attached profiled body via the outer sides of the thighs, over the outer region of the inner sides of the thighs and over the side surfaces.
  • the inner region of the inner sides of the legs does not touch the profile bottom of the spacer in the force-free state due to the gradient progression of the leg inside in accordance with the invention.
  • the inner bearing surface of the spacer in the inner region is not on the profile bottom of the spacer. Since the force is no longer introduced at the open edge of the spacer, a breakage of the hollow profile spacer is particularly advantageously avoided.
  • the legs of the corner connector can take any angle to each other. Preferably, the legs at an angle of 90 ° to each other, so that it can be used in common glazing rectangular basic shape.
  • the corner connector according to the invention has a rigid invariable corner angle.
  • the inner bearing surface can likewise have a gradient in the outer region of the inner side of the leg or can also run parallel to the associated lower side of the leg.
  • the leg inner sides have retaining elements.
  • These retaining elements provide an inner bearing surface for receiving the profile bottom of a hollow profile spacer.
  • the profile bottom does not lie directly on the inside of the leg, but on the inner bearing surface formed by the retaining elements, which extends from the leg inner side spaced.
  • the inner bearing surface is discontinuous in this case and is composed of the individual surfaces of the retaining elements.
  • the retaining elements on the inner sides of the legs in this case comprise lamellae, wherein their length L decreases from the end face of the leg in the direction of the corner region.
  • the inner side of the leg therefore has shorter lamellae, which do not bear against the profile bottom of a plugged-on spacer.
  • the already discussed positive slope of the inner bearing surface in the inner region starting from the corner region in the direction of the end surfaces arises over the length of the lamellae in this inner region.
  • the length of the lamellae thus increases locally within the inner region of the inner bearing surface starting from the corner region.
  • the lamellae on the inside of the leg of the corner connector according to the first embodiment act beyond the effect described also as retaining elements, so that beyond this no further retaining elements on the side surfaces or the outer sides of the legs are necessary. If a further improved anchoring desired so additional retaining elements, for example, on the side surfaces, be appropriate.
  • the use of lamellae is advantageous since these compensate manufacturing tolerances of the hollow profile spacer particularly advantageous.
  • the slats are deformed in the outer region of the inner side of the leg and are located on the profile bottom.
  • a slipping out of the corner connector and, on the other hand, a loss of desiccant from the hollow body of the spacer can be prevented by the deformation of the lamellae.
  • cantilevered spring elements are referred to, which are anchored on one side to the legs of the corner connector. These spring elements can oscillate freely at their non-clamped end and are deformable, so that a force exerted by attaching a hollow profile force leads to deformation of the slats. To this necessary mobility of the slats too allow, except for the said one-sided fixation on the leg of the corner connector, no further restriction of mobility. A mutual connection of the slats with each other, a connection to possibly existing stiffening ribs or other elements is missing.
  • the lamellae according to the invention are furthermore inclined in the direction of the corner region of the corner connector.
  • the fins take an angle of 10 ° to 70 °, more preferably 20 ° to 50 ° to the surface of the leg from which they spring.
  • the slope profile of the inner bearing surface described for the inner region of the inner sides of the legs can take place both continuously and discontinuously.
  • the positive slope of the bearing surfaces in the inner region of the inner side of the leg shows a continuous course. This is advantageous in order to provide as level as possible support surface for a plugged hollow profile.
  • the pitch can both take a constant course between the corner region and the transition from the inner region to the outer region of the inner bearing surface, as well as have an asymptotic course.
  • An asymptotic course has the advantage that an adaptation to the rigidity or occurring deformations of the hollow profile is possible and a peak load at the transition between the inner region and the outer region of the inner bearing surface is avoided.
  • the inner bearing surfaces of the corner connector according to the invention in the inner region an angle ⁇ of 0.5 ° to 15 °, preferably from 1 ° to 10 °, more preferably from 2 ° to 7 ° to the outer side of the same thigh. Even a slight slope of the inner bearing surface in the direction of the corner region is therefore sufficient to avoid breakage of the spacer upon application of force to the profile frame.
  • the length L-1 of the longest lamella of the outer region and the length L 2 of the shortest lamella of the inner region are preferred.
  • the lamellae usually have a length of 0.5 mm to 10 mm, preferably 1 mm to 7 mm, particularly preferably 1 mm to 5 mm.
  • the length L of the lamellae on the inner sides of the legs decreases continuously starting from the end face in the direction of the corner region.
  • the inner bearing surface accordingly has the same pitch in the outer region and in the inner region of the inner side of the femur.
  • the locking on the profile bottom of the hollow profile spacer takes place over the longest slats of the inner side of the leg, which are adjacent to the end face.
  • a selective application of force takes place over the longest slats of the inside of the thigh.
  • the point at which the force is introduced is at the maximum possible distance from the open edge of the hollow profile spacer, whereby the risk of breakage is lowered at this open edge.
  • the contact surface advantageously increases, since the proportion of the profile bottom, which bears against the inner bearing surface, increases.
  • reinforcing ribs are applied to the leg inner sides and / or leg outer sides. These advantageously increase the mechanical stability of the corner connector. Furthermore, these form an additional barrier which prevents loss of desiccant from the cavity of the spacer.
  • the slope of the inner bearing surface changes from the inner region to the outer region.
  • the inner bearing surface initially rises in the inner region and then runs in the outer region parallel to the outer side of the leg of the leg.
  • This large-area planar support surface in the outer region is particularly advantageous in terms of an ideal area force distribution and a firm anchoring of the corner connector.
  • the leg inner sides have no retaining elements.
  • the inner bearing surfaces are formed by the leg inner sides themselves and constitute a continuous surface.
  • the leg inner sides form a planar surface without lamellae or other retaining elements, whereby the corner connector according to the second embodiment by injection molding is easy to produce.
  • the inner bearing surface shows a positive slope in the direction of the end face of the associated leg.
  • the ramp formed thereby sloping in the direction of the corner area prevents a breakage of the spacer frame under load.
  • the slope of the inner bearing surface can either change from the inner region to the outer region or remain constant.
  • the inner bearing surface extends in the outer region parallel to the outer side of the leg. This large-area planar support surface in the outer region is particularly advantageous in terms of an ideal area force distribution and a firm anchoring of the corner connector.
  • the legs are preferably formed from a monolithic material and each have a taper adjacent to the corner area.
  • the thickness of the legs corresponding to the height of the side surfaces, thereby decreases from the end face of the corner connector in the direction of the corner region, whereby the mentioned taper is formed.
  • the monolithic shape contributes to the stability and ease of manufacture of the corner connector.
  • the taper forms a rising from the corner area in the direction of the end faces rising ramp, which prevents according to the invention a break at the open edge of the spacer.
  • the corner connector according to the second embodiment optionally includes at least one hollow chamber extending along the legs.
  • This hollow chamber increases the flexibility of the leg, so that an improved acceptance of manufacturing tolerances of the hollow profile spacer takes place.
  • the hollow chamber extends below the outer region of the inner side of the leg and preferably projects into a maximum of 50% of the inner region, based on the total length of the inner region.
  • the corner region directly adjacent region of the legs with a length of at least 50% of the inner region has no hollow chamber. Instead of a hollow chamber as many hollow chambers can be introduced, however, increase the complexity and thus the production cost of the component.
  • the proportion of the inner region to the total length of the inner side of the leg is preferably between 10% and 70%, particularly preferably between 20% and 50%.
  • the leg outer sides and / or the side surfaces of the corner connector according to the invention comprise at least one retaining element in the form of lamellae and / or in the form of a wire.
  • Additional retaining elements improve the locking of the corner connector in the hollow profile spacer.
  • the use of slats as retaining elements is advantageous because they are deformable and thus the Compensate manufacturing tolerances of the spacer.
  • a wire-shaped retaining element can be obtained, for example, by inserting a wire into the injection mold during production of the corner connector. The ends of the wire extend beyond the main body of the corner connector and protrude after attaching a Hohlprofilabstandshalters in the base body.
  • Wire-shaped retaining elements thereby allow a very good locking of the corner connector in the spacer, so that only a single wire-shaped retaining element is needed for adequate anchoring of the corner connector.
  • the use of a single wire-shaped retaining element is particularly preferred, since the base body of the corner connector in this way receives a simple geometry, which is easy to implement by injection molding. At the same time, a very good locking of the corner connector can be ensured by means of the wire-shaped retaining element.
  • the leg outer sides and side surfaces may also comprise no further retaining elements, provided that the leg inner sides already contain lamellae according to the first preferred embodiment of the invention.
  • the bearing surface located on the outer side of the leg has a pitch of 0 ° to 15 °, preferably 1 ° to 10 °, particularly preferably 2 ° to 7 °.
  • a pitch of 0 ° is advantageous to improve the contact surface between corner connector and Hohlprofilabstandshalter, and thus the locking of the corner connector.
  • An increase in the contact surfaces of the outer side of the leg makes sense in terms of a further reduction of the risk of breakage of the hollow profile spacer in the production process.
  • the length of the inside of the leg between the corner region and the front side of the corner connector is between 20 mm and 40 mm, preferably between 25 mm and 35 mm.
  • the width of the inner side of the leg is highly variable, since this is directly related to the width of the hollow profile spacers used and these are available in a variety of dimensions.
  • the width of the inner side of the leg, measured from one side surface to the opposite side surface, is 1 mm to 60 mm, preferably 2 mm to 50 mm, particularly preferably 4 mm to 4.5 mm.
  • possible widths of the inside of the legs are 4 mm, 6 mm, 8 mm, 10 mm, 12 mm, 13 mm, 14 mm, 16 mm, 18 mm, 20 mm, 22 mm, 25 mm, 30 mm and 34 mm , Any retaining elements attached to the side surfaces, which also contribute to the overall width of the corner connector, are not included in this specification.
  • the length and width of the inside leg of the corner connector used depends on the dimensions of the hollow profile spacer used. In general, the height of the cavity between the profile roof and the profile bottom of the spacer is constant even in embodiments of different width. A small variation in the width of the spacer used can be compensated for by louvers on the side surfaces of the corner connector.
  • the fins are flexible and adapt to different widths of the cavity by stronger or weaker deformation.
  • the corner connector according to the invention preferably comprises biocomposites, polyethylene (PE), polycarbonates (PC), polypropylene (PP), polystyrene, polybutadiene, polynitriles, polyesters, polyurethanes, polymethylmethacrylates, polyacrylates, polyamides (PA), polyethylene terephthalate (PET), polybutylene terephthalate (PBT) , Polyvinyl chloride (PVC), more 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 mixtures thereof.
  • PE polyethylene
  • PC polycarbonates
  • PP polypropylene
  • polystyrene polybutadiene
  • the polymeric corner connector is fiber reinforced.
  • the corner connector preferably has a fiber content of 5% to 60%, more preferably of 20% to 50% on.
  • the fiber content in the corner connector according to the invention improves the strength and stability.
  • the corner connector according to the invention can be designed both as a single and as a multiple corner connector.
  • a single corner connector comprises two legs for receiving a respective hollow profile spacer.
  • a multiple corner connector has at least four legs, half of which run parallel to each other.
  • the multiple corner connector has a bar, from which all legs of the corner connector go out.
  • the corner connector according to the invention is designed as a double corner connector. This has four legs, two of which are arranged parallel to each other. Such a double corner connector can be realized both in the first preferred embodiment and in the second preferred embodiment.
  • the invention furthermore comprises an insulating glazing with a corner connector according to the invention.
  • the insulating glazing comprises at least two panes, at least one hollow profile spacer and at least one secondary sealing means, wherein the ends of the hollow profile spacer (open edges) are connected via corner connectors to a profile frame.
  • the discs are attached to this profile frame and the outer disc space formed by the discs and the hollow profile spacer is at least partially filled with the secondary sealant.
  • the hollow profile spacer comprises at least one hollow profile with a first side wall, a second side wall arranged parallel thereto, a profile bottom, a profiled roof and a cavity.
  • the cavity is enclosed by the side walls, the profile roof and the profile floor.
  • the profile bottom forms the glazing interior space wall of the spacer directed toward the inner space between the panes of the insulating glazing.
  • the side walls are the walls of the hollow profile spacer to which the panes of the insulating glazing are attached.
  • the first side wall and the second side wall are parallel to each other.
  • the profile roof runs at least partially parallel to the profile floor and has after installation of the insulating glazing to the outer space between the panes.
  • the sections closest to the side walls of the profiled roof can be at an angle of preferably 30 ° to 60 ° in the direction of the side walls be inclined. This angled geometry improves the stability of the Hohlprofilanstandshalters.
  • the cavity of the spacer according to the invention leads to a weight reduction in comparison to a solidly shaped spacer and is used when mounting the profile frame for receiving the corner connector according to the invention.
  • the hollow profile spacer is preferably designed as a rigid hollow profile.
  • materials such as metals, polymers, fiber-reinforced polymers or wood in question.
  • Metals are characterized by a high gas and vapor tightness, but have a high thermal conductivity. This leads to the formation of a thermal bridge in the region of the edge bond, which in cold outside temperatures has the accumulation of condensation on the inside facing glass pane result. By using materials with low thermal conductivity, this problem can be avoided.
  • Corresponding spacers are referred to as so-called "warm-edge" spacers. However, these low thermal conductivity materials often have inferior properties in terms of gas and vapor tightness.
  • a gas and vapor-tight barrier is applied to the profile roof and a part of the side walls.
  • the gas- and vapor-proof barrier improves the tightness of the spacer against gas loss and penetration of moisture.
  • the 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 polymer layer is between 5 ⁇ m and 80 ⁇ 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 contains at least two metallic layers and / or ceramic layers, which are arranged alternately with at least one polymeric layer.
  • the outer layers are preferably formed by the polymeric layer.
  • 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. By comparison, even a small defect in a single layer can lead to complete failure.
  • the application of several thin layers compared to a thick layer is advantageous, since the risk of internal adhesion problems increases with increasing layer thickness.
  • thicker layers have a higher conductivity, so that such a film is thermodynamically less suitable.
  • 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 film preferably has a gas permeation of less than 0.001 g / (m 2 h).
  • the gas and vapor-tight barrier is designed as a coating.
  • This barrier coating contains aluminum, aluminum oxides and / or silicon oxides and is preferably applied via a PVD (physical vapor deposition) method.
  • the coating containing aluminum, aluminum oxides and / or silicon oxides gives particularly good results in terms of tightness and additionally exhibits excellent adhesion properties to the secondary sealants used in insulating glass units.
  • the Hohlprofilabstandshalter is made of polymers, since they have a low thermal conductivity, resulting in improved thermal insulation properties of the edge bond.
  • the spacer particularly preferably contains biocomposites, polyethylene (PE), polycarbonates (PC), polypropylene (PP), polystyrene, polybutadiene, polynitriles, polyesters, polyurethanes, polymethylmethacrylates, polyacrylates, polyamides, polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polyvinyl chloride ( PVC), more 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 mixtures thereof.
  • the Hohlprofilabstandshalter contains polymers and is glass fiber reinforced.
  • the spacer preferably has a glass fiber content of 20% to 50%, particularly preferably from 30% to 40%.
  • the glass fiber content in the polymeric spacer improves the strength and stability.
  • the thermal expansion coefficient can be varied and adjusted. By adjusting the coefficient of thermal expansion of the spacer and the barrier film or barrier coating, temperature-induced stresses between the different materials and flaking of the barrier film or barrier coating can be avoided.
  • the hollow profile spacer preferably has a width of 5 mm to 45 mm, preferably of 10 mm to 20 mm, along the profile bottom.
  • the width is within the meaning of the invention extending between the side walls dimension.
  • the width is the distance between the facing away from each other surfaces of the two side walls.
  • the hollow profile spacer preferably has a height of 5 mm to 15 mm, particularly preferably of 5 mm to 10 mm, along the side walls. In this area, the spacer has an advantageous stability, but on the other hand advantageously advantageous in the insulating glass unit inconspicuous.
  • the cavity of the spacer on a beneficial size for receiving a suitable amount of desiccant.
  • the height is the distance between the facing away from each other surfaces of the tread and the profile roof.
  • the wall thickness d of the hollow profile spacer is 0.5 mm to 15 mm, preferably 0.5 mm to 10 mm, particularly preferably 0.7 mm to 1, 2 mm.
  • the cavity is filled with a desiccant.
  • the drying agents used are preferably silica gels, molecular sieves, CaCl 2 , Na 2 SO 4 , activated carbon, silicates, bentonites, zeolites and / or mixtures thereof.
  • the corner connector according to the invention reliably closes the cavity at the open edge of the spacer, so that a loss of desiccant is prevented.
  • Eckerbindern with slats is advantageous because they accomplish a very good seal of the cavity.
  • the profile bottom has at least one opening.
  • a plurality of openings are mounted in the profile bottom.
  • the total number of openings depends on the size of the glazing. Connect the openings the cavity with the inner disc space, whereby a gas exchange between them is possible. As a result, a recording of humidity is made possible by a desiccant located in the cavity 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 optimal air exchange without the possibility of drying agents penetrating from the cavity into the inner space between the panes.
  • the most varied geometries of insulating glazing are possible, for example rectangular, trapezoidal and rounded shapes.
  • the hollow profile spacer can be bent, for example, in the heated state.
  • the panes of the insulating glazing are attached to the sidewalls of the spacer via a primary sealant.
  • 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.
  • the inner pane space is bounded by the first and second pane and the tread floor.
  • the outer pane clearance is defined as the space bounded by the two panes and the profile roof of the spacer.
  • the outer space between the panes is filled with a secondary sealant.
  • a secondary sealant for example, a plastic sealant is used.
  • the secondary sealant contributes to the mechanical stability of the insulating glass unit and absorbs part of the climatic loads that act on the edge seal.
  • the secondary sealant polymers or silane-modified polymers more preferably organic polysulfides, silicones, room temperature vulcanizing (RTV) silicone rubber, peroxidischvernetzten silicone rubber and / or addition-crosslinked silicone rubber, polyurethanes and / or butyl rubber.
  • RTV room temperature vulcanizing
  • these sealants have a particularly good stabilizing effect.
  • the primary sealant preferably contains a polyisobutylene.
  • the polyisobutylene may be a crosslinking or non-crosslinking polyisobutylene.
  • the first pane and the second pane of the insulating glass unit preferably contain glass and / or polymers, particularly preferably quartz glass, borosilicate glass, soda lime glass, polymethyl methacrylate and / or mixtures thereof.
  • 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 insulating glazing invention is preferably filled with a protective gas, more preferably with a noble gas, preferably argon or krypton, which reduce the heat transfer value in the insulating glass space.
  • the insulating glazing comprises more than two panes.
  • the spacer may for example contain grooves in which at least one further disc is arranged. The grooves divide the cavity of the spacer while in several cavities.
  • a spacer for a triple glazing comprises in each case one pane on the opposite side walls of the spacer and another pane in a groove between the two first panes. The groove defines two cavities of the spacer from each other.
  • two individual corner connectors can be used for mounting a profile frame, which are inserted into each one of the cavities.
  • a multiple corner connector is used, since it can be inserted into both cavities in only one step and thus enables an efficient production process.
  • the present invention further includes a method for producing the insulating glazing according to the invention.
  • a profile frame is produced from at least one corner connector and at least one hollow profile spacer, with the corner connectors according to the invention being inserted into the open edges of the hollow profile spacers.
  • the corner connector according to the invention prevents damage to the preassembled profile frame in the subsequent assembly of the discs. Even with händischem transport large profile frame of the corner connector according to the invention prevents breakage of the tread bottom at the open edge of the spacer.
  • This preassembled profile frame is mounted in a second step of the process between two panes, wherein the side walls of the hollow profile spacer are glued via a primary sealant with the discs.
  • a secondary sealant is introduced into the outer pane clearance, which is delimited by the panes and the profile roof of the spacer.
  • further profile frames and additional panes are applied, whereby, for example, triple or quadruple insulating glazings can be obtained.
  • the hollow profile spacers used are multiple spacers having one or more grooves for receiving further discs. In the first method step, these are preferably connected via multiple corner connectors. In the first process step or in the second process step, further disks are introduced into the grooves of the spacer.
  • the invention further relates to a method for producing a corner connector according to the invention by injection molding.
  • the raw material desired for the corner connector is provided, for example in the form of a plastic granulate. If a fiber reinforcement of the corner connector is provided, these fibers are preferably already contained in the granules. Alternatively, these can be added in the second process step.
  • the raw material is plasticized in a plastic injection molding machine and injected in a third process step under pressure into an injection mold whose cavity corresponds to the shape of the component to be manufactured.
  • the fourth method step involves the curing and cooling of the component in the injection mold, before the component is removed from the injection mold in a fifth method step.
  • additional components to be extrusion-coated can be inserted into the injection molding tool, for example a wire-shaped retaining element, before the third method step.
  • the invention further relates to the use of a corner connector according to the invention as a corner angle of insulating glazings.
  • FIG. 1 is a side view of a corner connector according to the first preferred
  • Fig. 2 is a side view of another corner connector according to the first preferred
  • Fig. 3a, 3b is a side view and a perspective view of another
  • 4a, 4b is a perspective view and a rear view of a double corner connector according to the first embodiment of the corner connector according to the invention
  • Fig. 5 is a side view of a corner connector according to the second preferred
  • FIG. 6 shows a perspective view of another corner connector according to the second preferred embodiment of the corner connector according to the invention
  • FIG. 7 shows a cross section of a profile frame comprising four corner connectors according to FIG. 5 and four hollow profile spacers;
  • FIG. 8 shows a cross section of an insulating glazing comprising a profile frame according to FIG. 7
  • FIG. 1 shows a side view of a corner connector according to the first preferred embodiment.
  • the corner connector is made of polyamide with a glass fiber content of 25%.
  • the corner connector comprises a first leg (2.1) and a second leg (2.2), which are connected via the corner region (9) and occupy an angle of 90 ° to each other.
  • Each limb (2.1, 2.2) has in each case a limb outer side (4), in each case a limb inside (3), in each case one end face (5) and in each case two side surfaces (6).
  • the inner sides of the legs have a length of 30 mm measured between the corner area (9) and the front side (5) and a width of 14 mm.
  • the leg inner sides (3) are divided into an inner region (1 1) adjacent to the corner region and an outer region (12) which is located between inner region (1 1) and end face (5).
  • the inner region (1 1) has a length of 10 mm and the outer region (12) has a length of 20 mm.
  • the leg inner sides (3) are equipped with retaining elements (7) in the form of lamellae, wherein the lamellae in the inner region (1 1) are shorter than the lamellae in the outer region (12) of the femoral inner side (3).
  • the surface of the slats forms an inner bearing surface (10), which receives the profile bottom of the hollow profile when mounting a Hohlprofilabstandshalters.
  • the lamellae in the inner region (1 1) have a length of 0.7 mm to 1, 5 mm, with the shortest lamella adjacent to the corner region (9) is arranged and the length of the slats toward the outer region (12) increases.
  • the fins of the outer region (12) have a constant length of 2 mm.
  • the leg outer sides (4) are also equipped with lamellae as retaining elements (7), which have a constant length of 2 mm. On the leg inner sides (3) and the leg outer sides (4) are each mounted two rows of lamellae, wherein in the side view shown, the rear row of lamellae is covered by the front row.
  • the side surfaces (6) carry no retaining elements.
  • Figure 2 shows a side view of another corner connector according to the first preferred embodiment of the corner connector according to the invention.
  • the construction corresponds to the corner connector shown in FIG.
  • the lamellae (7) in the inner region of the leg outer side (4) have a length of 0.7 mm to 1, 5 mm, wherein the shortest lamella is arranged adjacent to the corner region (9) and the length of the lamellae in the direction of outer area (12) increases.
  • the slats on the leg inner side (3) are symmetrical to the on the outside of the leg (4) attached slats.
  • Figures 3a and 3b show a side view and a perspective view of another corner connector according to the first preferred embodiment of the corner connector according to the invention.
  • the basic structure corresponds to the structure described in Figure 2, wherein the lamellae on the leg inner side (3) and the Schenkelau touchseite (4) in the outer region (12) have a length of 2 mm and in the inner region (1 1) a variable length from 1, 2 mm to 1, 8 mm.
  • the inner region (1 1) has a length of 0.6 cm and the outer region (12) has a length of 2.4 cm.
  • the inner bearing surface (10) formed by the surface of the lamellae thus has a positive gradient in the inner region (11) starting from the corner region in the direction of the outer region (12).
  • the side surfaces (6) of the corner connector also carry slats, which serve as additional retaining elements (7) and compensate for manufacturing tolerances of the spacer advantageous.
  • the slats of the side surfaces (6) have a length of 4 mm.
  • the corner connector according to FIGS. 3a and 3b has reinforcing ribs (14) which give the component a higher rigidity and form an additional barrier for desiccant located in the spacer.
  • Figures 4a and 4b show a perspective view and a rear view of a double corner connector according to the first embodiment of the corner connector according to the invention.
  • the construction corresponds essentially to the simple corner connector described in FIGS. 3a and 3b, wherein the corner regions (9) of two individual corner connectors have a common web (28) which connects them.
  • the double corner connector according to Figures 4a and 4b is particularly suitable for mounting double spacers for triple glazing. In this way they can be put together process-economically and at the same time exactly to a profile frame.
  • FIG. 5 shows a side view of a corner connector according to the second preferred embodiment of the corner connector according to the invention.
  • the corner connector contains polyamide with a glass fiber content of 25%.
  • the corner connector comprises a first leg (2.1) and a second leg (2.2), which are connected via the corner region (9) and occupy an angle of 90 ° to each other.
  • Each limb (2.1, 2.2) has in each case a limb outer side (4), in each case a limb inside (3), in each case one end face (5) and in each case two side surfaces (6).
  • the leg inner sides (3) have a length of 25 mm measured between the corner region (9) and end face (5) and a width of 8 mm.
  • the leg inner sides (3) are divided into an inner region (1 1) adjacent to the corner region and an outer region (12) which extends between the inner region (1 1) and end face (5) is located.
  • the inner region (1 1) has a length of 9 mm and the outer region (12) has a length of 16 mm.
  • the leg outer sides (4) and the leg inner sides (3) have no retaining elements. Only at the four side surfaces (6) of the corner connector in each case a retaining element (7) is attached in the form of a wire.
  • the wire has a diameter of 0.5 mm and protrudes by 1 mm beyond the associated side surface (6). Since wire-shaped retaining elements cause a very good locking of the corner connector in the plugged spacer further retaining elements are not necessary.
  • the legs (2.1, 2.2) are formed of a monolithic material and each have a taper (8) adjacent to the corner area.
  • the inner bearing surfaces (10) in this embodiment correspond directly to the leg inner sides (3).
  • the monolithic shape contributes to the stability and ease of manufacture of the corner connector.
  • the taper (8) forms a rising from the corner region (9) in the direction of the end faces ramp.
  • the inventive profile of the inner bearing surface (1 1) causes when mounting a profile frame comprising the corner connector according to the invention according to Figure 5 surprisingly no load fracture of the tread occurs.
  • FIG. 6 shows a perspective view of a further corner connector according to the second preferred embodiment of the corner connector according to the invention.
  • the construction corresponds essentially to that described in FIG. 5, wherein the outer side of the leg (4) also has a taper (8) in the inner region (11).
  • the inner side of the leg (3) and the outer side of the leg (4) run symmetrically with respect to one another.
  • equivalent protection is provided even in the case of the profiled roof.
  • Figure 7 shows a profile frame of four corner connectors according to Figure 5 and four Hohlprofilabstandshaltern in cross section.
  • the legs (2.1, 2.2) of the corner connector (1) are inserted at the open edges (15) of the hollow profile spacer (17) in the cavity (21), resulting in a rectangular profile frame (22).
  • the corner region (9) of the corner connector (1) now forms the corner region of the profile frame (22), whereas the legs (2.1, 2.2) are completely inserted into the spacer and are no longer visible from the outside.
  • the profile roof (20) of the hollow profile spacer (17) forms the outer periphery of the rectangle, while the profile bottom (19) defines the inner periphery of the rectangle.
  • the cavity of the hollow profile spacers (17) is filled with desiccant (27).
  • FIG. 8 shows a cross-section of an insulating glazing (16) comprising a profile frame (22) according to FIG. 7.
  • the hollow profile spacer (17) is bonded by means of a primary sealing means (28) between two glass panes (23).
  • the primary sealant (28) is applied to the side walls (18) of the hollow profile spacer (17).
  • the discs (23) and the profile bottom (19) of the hollow profile spacer (17) define an inner space between the panes (26) of the insulating glazing (16).
  • the discs (23) and the profile roof (20) form an outer disc space (25) which is filled with a secondary sealing means (29).
  • the hollow profile spacer (17) comprises a glass fiber reinforced polymeric body containing styrene-acrylonitrile (SAN) and about 35% by weight glass fiber.
  • SAN styrene-acrylonitrile
  • the spacer has a cavity (21). Within the cavity (21) a desiccant (27), for example molecular sieve, is arranged. This Desiccant (27) may be filled into the cavity (21) of the spacer prior to assembly of the glazing.
  • the profile bottom (19) comprises smaller openings (24) or pores, which allow a gas exchange with the inner space between the panes (26).
  • the wall thickness of the hollow profile spacer (17) is 1 mm, while the height of the hollow profile spacer (17) is 6.5 mm.
  • the width along the profile bottom (19) defines the distance of the discs (23) and is 12 mm.
  • the insulating glazing (16) During the assembly process of the insulating glazing (16), damage to the profiled floor (19) in the corner region of the profiled frame is avoided by using the corner connectors according to the invention.
  • the resulting insulating glazing (16) thus also has a perfectly intact spacer in the corner region, so that a better sealing of the glazing is achieved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Buffer Packaging (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

Cornière de raccordement (1) pour entretoise en profilé creux destinée à des vitrages isolants, comprenant au moins une première aile (2.1) et une deuxième aile (2.2) raccordées par une zone angulaire (9), au moins deux faces internes (3) d'ailes, deux faces externes (4) d'ailes, deux faces frontales (5) et plusieurs faces latérales (6) ; les faces internes (3) d'ailes, les faces externes (4) d'ailes et/ou les faces latérales (6) comprennent au moins un élément de retenue (7), - les faces internes (3) d'ailes procurant respectivement une surface d'appui interne (10), - les surfaces d'appui interne (10) présentant une zone interne (11) adjacente à la zone angulaire (9), - les surfaces d'appui interne (10) présentant une zone externe (12) adjacente à la zone interne (11) et à la face frontale (5), et la surface d'appui interne (10) d'au moins une face interne (3) d'aile présentant, dans la zone interne (11), une inclinaison positive de la zone angulaire (9) en direction des faces frontales (5).
EP16757035.7A 2015-08-26 2016-08-26 Cornière de raccordement pour vitrages isolants Withdrawn EP3341548A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15182521 2015-08-26
PCT/EP2016/070139 WO2017032862A1 (fr) 2015-08-26 2016-08-26 Cornière de raccordement pour vitrages isolants

Publications (1)

Publication Number Publication Date
EP3341548A1 true EP3341548A1 (fr) 2018-07-04

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EP16757035.7A Withdrawn EP3341548A1 (fr) 2015-08-26 2016-08-26 Cornière de raccordement pour vitrages isolants

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US (1) US20180195338A1 (fr)
EP (1) EP3341548A1 (fr)
JP (1) JP2018532909A (fr)
KR (1) KR20180043806A (fr)
CN (1) CN107923215A (fr)
AU (1) AU2016310555A1 (fr)
CA (1) CA2994651A1 (fr)
MX (1) MX2018002262A (fr)
RU (1) RU2680616C1 (fr)
WO (1) WO2017032862A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3440299B1 (fr) * 2016-04-05 2021-04-21 Saint-Gobain Glass France Unité isolant pour un meuble frigorifique
CN110043164B (zh) * 2019-05-29 2024-06-11 上海欧洁洁净室技术股份有限公司 双层玻璃视窗
PL440820A1 (pl) * 2022-03-31 2023-10-02 Krzysztof Nasiadko Łącznik kątowy do ramek szyb zespolonych

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
DE8419558U1 (de) * 1984-06-29 1984-10-11 Schmitz, Werner, Dipl.-Ing., 3470 Höxter Eckwinkel fuer isolierglas
DE3822117A1 (de) * 1988-06-30 1990-01-04 Arup Alu Rohr Und Profil Gmbh Eckverbinder fuer abstandshalterprofile von mehrscheiben-isolierglas
FR2905972B1 (fr) * 2006-09-20 2010-11-12 Saint Gobain Association a l'aide d'un connecteur, de deux extremites creuses de profiles en matiere synthetique
FR2974140B1 (fr) * 2011-04-14 2013-04-26 Raymond A & Cie Connecteur pour portions creuses de profile(s) notamment pour cadre de double vitrage
ITBO20120566A1 (it) * 2012-10-17 2014-04-18 Gsg Int Spa Anta per porta o finestra.
CN204002388U (zh) * 2014-07-30 2014-12-10 秦皇岛欧泰克节能门窗有限公司 中空玻璃用的塑料连接件

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MX2018002262A (es) 2018-03-23
AU2016310555A1 (en) 2018-03-22
CN107923215A (zh) 2018-04-17
RU2680616C1 (ru) 2019-02-25
WO2017032862A1 (fr) 2017-03-02
KR20180043806A (ko) 2018-04-30
JP2018532909A (ja) 2018-11-08
US20180195338A1 (en) 2018-07-12
CA2994651A1 (fr) 2017-03-02

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