EP3384119A1 - Élément de raccordement servant à raccorder deux baguettes profilées creuses - Google Patents

Élément de raccordement servant à raccorder deux baguettes profilées creuses

Info

Publication number
EP3384119A1
EP3384119A1 EP16838086.3A EP16838086A EP3384119A1 EP 3384119 A1 EP3384119 A1 EP 3384119A1 EP 16838086 A EP16838086 A EP 16838086A EP 3384119 A1 EP3384119 A1 EP 3384119A1
Authority
EP
European Patent Office
Prior art keywords
connector
wall
hollow
hollow profile
glazing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP16838086.3A
Other languages
German (de)
English (en)
Inventor
Walter Schreiber
Hans-Werner Kuster
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 EP3384119A1 publication Critical patent/EP3384119A1/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Withdrawn legal-status Critical Current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

Definitions

  • the invention relates to a connector for connecting two hollow profile strips, an insulating glass unit, a method for their production and their use.
  • Insulating glazing generally contains at least two panes of glass or polymeric materials.
  • 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.
  • the disks are separated from each other by a gas or vacuum space defined by the spacer.
  • This inner pane space is free of moisture. Too high a content of moisture leads to the condensation of water droplets in the inner space between panes, especially at cold outside temperatures, which must be avoided at all costs.
  • the spacers can be designed as hollow profile strips. To accommodate the residual moisture remaining after the installation of the insulating glass unit in the system, for example, hollow profile strips filled with a desiccant may be used.
  • triple insulating glazing hollow profile spacers which can accommodate a third or middle disc in a recess.
  • single groove spacers have the advantage that only a single spacer has to be mounted and the step of adjusting two individual spacers for triple glazing with two individual spacers is eliminated.
  • Such a spacer can be processed on a conventional double-glazing assembly line.
  • WO 2010/1 15456 A1 discloses a hollow profile spacer with a plurality of hollow chambers for multiple glass panes with two outer panes and one or more central panes, which are mounted in a groove-shaped receiving profile.
  • the spacer can be made both of polymeric materials as well as rigid metals, such as stainless steel or aluminum exist.
  • the hollow chambers can be made of different widths, which leads to different distances between the two outer discs to the middle disc.
  • WO 2014/198431 A1 discloses a hollow profile spacer which is suitable for triple insulation glazings. In this case, a central disc can be mounted in a groove of the spacer. The groove extends between two hollow chambers of the spacer.
  • the spacer can be made symmetrical, that is, the distances between the outer discs and the middle disc are identical and the hollow chambers are the same size. An asymmetric design with different widths hollow chambers is also possible.
  • the connector should also be as easy to produce and in particular allow easy handling during assembly of the insulating glass unit.
  • a connector which has only on one side fins, which can therefore interact only with a side wall of a hollow profile spacer. So space can be saved so that inside the connector medium from the hollow chamber of the hollow profile spacer can slip through the connector.
  • a disadvantage of this design is that a new connector must be produced for each width of a hollow profile spacer, since the fixation of the connector in the hollow profile spacer takes place via the lateral lamellae.
  • DE 202004017182 U1 and DE 102005027778 A1 show a U-shaped connector which has barbs on a bottom surface and resilient lamellae on the outer surfaces of the two side webs.
  • the resilient lamellae should compensate for manufacturing tolerances of the hollow sections and prevent flow through of molecular sieve between the side bars and the insides of the narrow sides of the hollow sections.
  • a form-fitting connection to the hollow space of the hollow profile is to be achieved by the lamellae attached to the two outer surfaces of the side webs and, in addition, the passage of molecular sieve is prevented, so that these are required on both outer surfaces.
  • the object of the invention is to provide a connector for connecting two hollow profile strips which can be used for hollow profile spacers with different widths, to provide an improved insulating glass unit and a method for producing an improved insulating glass unit.
  • the connector according to the invention is suitable for connecting two hollow profile strips in insulating glass units. These hollow profile strips are used as spacers in insulating glass units.
  • the connector includes at least one U-shaped connector profile having two insertion legs each having a connected end and a free end.
  • the two Einsteckschenkel are adapted to be plugged into a respective hollow profile strip and so to establish a connection between two hollow profile strips.
  • the two Einsteckschenkel are connected together at their connected ends.
  • the two Einsteckschenkel each comprise a first side web, a parallel extending second side web and a substantially perpendicular to the two side webs extending central web, which connects the two side webs to a U-shape.
  • the central pier has an external contact surface.
  • Fixierlamellen be arranged with the length f.
  • the fixing blades serve to fix the connector in a cavity / a hollow chamber of a hollow profile spacer. External refers to the outside of the U-shaped profile, which is located outside the profile, as opposed to the area located within the U-profile, ie between the two side bars.
  • the first side bar has a first outer surface and the second side bar has a second outer surface.
  • the two outer surfaces have in the finished insulating glass unit to the walls of the hollow profile or are in contact with the walls.
  • the length z are arranged in the longitudinal direction one behind the other.
  • the centering blades serve to center the connector in the cavity.
  • the elastic Zentrierlamellen allow the use of the same connector for Hohlproffilabstandhalter with different widths, but the same height. Since the fixing takes place via the slats on the contact surface of the central web, a stable fixation of the connector in the hollow profile strip can be achieved in all cases at the same height of the hollow profile strips to be joined. Thus, the same type of connector can be used for different hollow profile strips. In particular, it is possible to use a type of connector for hollow profile spacers with a plurality of differently shaped hollow chambers. On the second outer surface of the second side bar no elastic Zentrierlamellen are arranged. By saving elastic Zentrierlamellen on one side, on the one hand, the construction of the component is considerably simplified while saving space, so that inside the U-shaped profile, if necessary, still enough space for desiccant remains.
  • the fixing blades are preferably much shorter than the elastic Zentrierlamellen.
  • the elastic Zentrierlamellen must be able to bridge greater distances in order to be in hollow profiled strips with wider hollow chambers with the side wall of the hollow chamber in contact.
  • the fixing lamellae are optimized in order to ensure optimum force transmission over the distance to be bridged.
  • the centering blades are arranged only in a central region of the contact surface of the central web.
  • the width b of the connector profile is preferably between 6 mm and 14 mm, more preferably between 7 mm and 12 mm, most preferably between 8 mm and 10 mm. With these widths, the common hollow profile strips with widths between 10 mm and 20 mm can be connected.
  • the width b of the connector profile is measured in the transverse direction of the connector profile along the contact surface of the central web. The transverse direction is perpendicular to the longitudinal direction of the hollow profile strip.
  • the height h of the connector profile is preferably between 3 mm and 8 mm, particularly preferably between 4 mm and 6 mm.
  • the wall thickness d of the connector profile is preferably between 0.4 mm and 3 mm, more preferably between 0.8 mm and 1, 2 mm. In these areas that is
  • the second outer surface is according to the invention free of elastic Zentrierlamellen.
  • the second outer surface is preferably free of any lamellae.
  • the second outer surface is a smooth surface. This embodiment is particularly easy and inexpensive to produce.
  • very short fins having a length of at most 1 mm are mounted on the second outer surface.
  • the connector according to the invention is preferably a corner connector or a longitudinal connector.
  • the two Einsteckschenkel include an angle ⁇ , where 45 ° ⁇ ⁇ 180 °.
  • the angle is preferably 90 °
  • the angle is preferably 180 °.
  • the connector contains polymers and is filled by hollow glass spheres. These glass bubbles have a diameter of 10 ⁇ to 20 ⁇ and improve the stability of the polymeric connector. Suitable hollow glass spheres are commercially available under the name "3M TM Glass Bubbles.”
  • the hollow profile spacer particularly preferably contains polymers, glass fibers and hollow glass spheres. Glass ball results in an improvement in the thermal properties, ie a reduction in the thermal conductivity of the hollow profile.
  • the hollow profile strip comprises at least a first side wall, a second side wall arranged parallel thereto, a glazing interior space wall arranged perpendicular to the side walls and an outer wall.
  • the glazing interior wall connects the side walls together.
  • the outer wall is arranged substantially parallel to the glazing inner wall and connects the side walls together.
  • the first side wall, the glazing interior wall, the second side wall and the outer wall enclose a hollow chamber.
  • the hollow chamber improves the thermal conductivity of the hollow profile strip compared to a solid profile strip and can, for example, receive a desiccant.
  • the glazing interior wall is preferably permeable, so that there is a possibility for gas exchange between the cavity and the inner space between the panes.
  • the cavity preferably contains a desiccant, which possibly absorbs moisture present in the inner space between the panes and thus prevents fogging of the panes.
  • the permeability of the glazing interior wall can be achieved by the use of a porous material and / or by at least one perforation in the glazing interior wall.
  • the glazing interior wall preferably contains perforations.
  • the total number of perforations depends on the size of the insulating glass unit.
  • the perforations 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 permeability of the glazing interior wall can easily be adapted to the given conditions, the permeability of the glazing interior wall and be varied in different areas of the hollow profile strip.
  • the first side wall and the second side wall of the hollow profile strip are provided so that the first disc and the second disc are fixed there.
  • the first disc and the second disc are attached to the first side wall and to the second side wall via a primary sealing means.
  • the inner space between the panes is delimited by the first pane, the second pane and the glazing interior wall of the hollow profile strip.
  • the outer wall of the hollow profile strip, the first disc and the second disc define an outer space between the panes.
  • the groove extends between the first glazing interior surface and the second glazing interior surface, it laterally delimits them and separates the first and second hollow chambers from one another.
  • the side edges of the groove are formed by the walls of the first hollow chamber and the second hollow chamber.
  • the groove forms a recess which is suitable for receiving the middle pane (third pane) of an insulating glazing.
  • the position of the middle disc is fixed over two side flanks of the groove and the bottom surface of the groove.
  • At least one connector according to the invention is inserted into one of the hollow chambers and thus stabilizes the spacer frame.
  • a connector is sufficient to fix the frame in the correct orientation.
  • the frame is then welded at the joints or sealed with a sealant.
  • the width of the glazing interior walls of the distance between the first and third disc or between the third and second disc is determined.
  • the widths of the first glazing interior wall and the second glazing interior wall are the same.
  • asymmetric spacers are possible in which the two glazing interior walls have different widths.
  • the exact dimension of the glazing interior walls depends on the dimensions of the glazing and the desired space between the panes.
  • the process can be completely automated and, thanks to a single type of connector for various hollow profile strips, also applicable to various types of insulating glass units.
  • the connector insertion unit unlike conventional methods, does not need to be replaced with connectors individually matched to the different hollow profile strips. Also, only a single part needs to be stocked, which greatly simplifies the organization of the process.
  • the invention further includes the use of the insulating glass unit according to the invention as building interior glazing, building exterior glazing and / or facade glazing.
  • Figure 7 shows a cross section of a spacer frame with inventive connector.
  • Figure 1 and Figure 2 show a connector according to the invention in the form of a longitudinal connector.
  • the connector is shown with respect to the inside of the U-shaped connector profile 20 and in Figure 2 with a view of the outside.
  • the longitudinal connector has been produced in an injection molding process and consists essentially of a polyamide.
  • the width b of the connector profile 20 is 8 mm and the height h of the connector profile is 4.5 mm.
  • the connector I comprises two Einsteckschenkel 31, which are each connected at its connected end 32 with each other. Each Einsteckschenkel 31 also has a free end 33 which is inserted into the hollow chamber of a hollow profile strip.
  • the central web 23 has an outer bearing surface 25.
  • Fixing lamellae 28 are arranged on the contact surface 25.
  • the fixing blades 28 have a length f of 2 mm.
  • the short fixing blades 28 interact with a wall of the hollow profile strip 1 and thus fix the connector I in the hollow profile strip.
  • the fixing blades 28 and the centering blades 29 are each inclined from the free end 33 in the direction of the connected end 32 of a Einsteckschenkels 31. This tendency prevents slipping out of a hollow profile strip 1, since the obliquely inclined blades 28 and 29 when pulling out of the connector I against their inclination are charged. Where the two connected ends 32 of the two Einsteckschenkel 31 are fastened together, the inclination of the slats 28 and 29 changes direction.
  • the lamellae 28 and 29 of the two Einsteckschenkel 31 each have in the opposite direction.
  • the lamellae 28 and 29 of the second Einsteckschenkels 31 during insertion of the first Einsteckschenkels 31 act as a blockage and prevent further slipping of the connector I on the second Einsteckschenkel 31 away.
  • Figure 3 shows a hollow profile strip 1 with a groove 9 for receiving a third disc, in the two hollow chambers 5.1 and 5.2 two connectors 1.1 and I.2 according to the invention are partially inserted.
  • the hollow profile strip 1 is described in detail in FIG.
  • the contact surface 25 or the Fixierlamellen 28 of the central web 23 of the first connector 1.1 are applied to the outer wall 4 of the hollow profile strip 1.
  • the first connector 1.1 is rotated by 180 ° compared to the second connector I.2. That is, the contact surface 25 or the fixing blades 28 of the central web 23 of the second connector I.2 are applied to the first glazing interior wall 3.1 of the hollow profile strip 1.
  • the elastic Zentrierlamellen 29 both connectors 1.1 and I.2 are in contact with the side edges 17 of the groove 9.
  • the elastic Zentrierlamellen 29 give in contact with the inclined side edges 17, so no special preparation for the non-symmetrically shaped hollow chambers 5.1 and 5.2 necessary is.
  • the second outer surface 27 of the second side web 22 is designed without lamellae. This has, inter alia, the advantage that in mechanical manufacturing a simplified pre-sorting of the connector is possible and the gripping of the connector is facilitated. It has continued towards the advantage that in the region of the side walls 2.1 and 2.2 of the hollow section 1 at the junction 30 maximum stabilization is achieved. Especially if the connection point 30 is to be welded, this gives a particularly smooth weld seam.
  • Figure 4 shows a cross section through a hollow profile strip 1 with groove 9 for receiving a third disc.
  • the hollow profile strip 1 comprises a first side wall 2.1, a second side wall 2.2 extending parallel thereto, a first glazing interior wall 3.1, a second glazing interior wall 3.2 and an outer wall 4.
  • a groove 9 which runs parallel to the side walls 2.1 and 2.2.
  • the side edges 17 of the groove 9 are formed by the walls of the two hollow chambers 5.1 and 5.2, while the bottom surface of the groove 9 adjoins the outer wall 4.
  • the side edges 17 of the groove 9 are inclined inwardly in the direction of a male in the groove 9 disc. This results in the amount of the glazing interior wall 3.1 and 3.2, a taper of the groove 9, which favors the fixation of a disc in the groove 9.
  • the wall thickness of the polymer body is 1 mm.
  • the outer wall 4 extends mostly perpendicular to the side walls 2.1 and 2.2 and parallel to the glazing interior walls 3.1 and 3.2. However, the side walls 2.1 and 2.2 nearest sections of the outer walls 4 are inclined at an angle of preferably 30 ° to 60 ° to the outer wall 4 in the direction of the side walls 2.1 and 2.2.
  • the hollow profile strip 1 contains styrene-acrylonitrile (SAN) with about 35 wt .-% glass fiber.
  • SAN styrene-acrylonitrile
  • the glazing interior walls 3.1 and 3.2 have perforations 7 at regular intervals, which connect the hollow chambers 5.1 and 5.2 with the air space lying above the glazing interior walls 3.1 and 3.2.
  • the hollow profile strip 1 has a height of 6.5 mm and a total width of 34 mm.
  • the first glazing interior wall 3.1 is 16 mm and the second glazing interior wall 3.2 is 16 mm wide.
  • Figure 5 shows a cross section through a hollow profile strip 1 with groove 9 with inserted connectors 1.1 and I.2 according to the invention.
  • two connectors 1.1 and I.2 are inserted into the two hollow chambers 5.1 and 5.2 of a hollow profiled strip 1. Since the hollow chambers 5.1 and 5.2 of the hollow profile strip are not rectangular, but the side walls 2.1 and 2.2. Nearest sections of the outer walls 4 are slightly inclined, the height of the hollow chambers 5.1 and 5.2 varies over the width of the hollow chambers.
  • the height h of the connector profiles 20 corresponds approximately to the smallest measurable height of the hollow chambers 5.1 and 5.2, so that the second outer surface 27 of the second side web 22 rests against the first side wall 2.1.
  • the fixing blades 28 interact with the glazing interior walls 3.1 and 3.2 and fix the connector in the hollow profile strip 1.
  • the elastic Zentrierlamellen 29 interact with the side walls 17 of the groove 9 and center the connectors 1.1 and I.2 in the respective hollow chamber 5.1 and 5.2. Due to the spring action of the elastic Zentrierlamellen 29 of the second side web 22 is pressed against the side walls 2.1 and 2.2 of the hollow section 1 respectively.
  • FIG. 6 shows a cross section of an insulating glass unit according to the invention with three panes.
  • the space between the first pane 13 and the third pane 15 delimited by the first glazing interior wall 3.1 is defined as the first inner pane space 12.1 and the space between the third pane 15 and second pane 14 bounded by the second glazing interior wall 3.2 is defined as the second inner pane space 12.2.
  • the inner pane interspaces 12.1 and 12.2 are connected to the respectively underlying hollow chamber 5.1 or 5.2.
  • a desiccant 1 1 which consists of molecular sieve.
  • Barrier film 6 can be attached to the hollow profile strip 1, for example with a polyurethane hot melt adhesive.
  • the barrier film 6 comprises four polymeric layers
  • FIG. 7 shows a cross section of a spacer frame 8 according to the invention with the connector I described in FIGS. 1 and 2.
  • the spacer frame 8 comprises a hollow profile strip 1 and a connector I according to the invention.
  • the hollow profile strip 1 is bent into a rectangular frame. The longer sides of the spacer frame are 200 cm long, while the shorter sides are each 100 cm long. The drawing is purely schematic and not to scale.
  • the two ends of the hollow profile strip 1 are connected via the longitudinal connector I according to the invention.
  • the hollow profile strip 1 has a glazing interior wall 3, which faces the inner space between the panes 12 in the finished insulating glass unit.
  • the glazing interior wall 3 is made gas-permeable (represented by the broken line).

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Securing Of Glass Panes Or The Like (AREA)

Abstract

L'invention concerne un élément de raccordement (1) servant à raccorder deux baguettes profilées creuses dans des ensembles de vitrage isolant, comprenant un profilé de raccordement (20) en U comportant deux branches d'insertion (31) qui présentent chacune une extrémité raccordée (32) et une extrémité libre (33). Les extrémités raccordées (32) des deux branches d'insertion (31) sont raccordées l'une à l'autre, les deux branches d'insertion (31) comprennent chacune un premier élément de liaison latéral (21), un second élément de liaison latéral (22) parallèle au premier, et un élément de liaison central (23) perpendiculaire aux deux éléments de liaison latéraux (21, 22) et raccordant les deux éléments de liaison latéraux (21, 22) de manière à former un U. L'élément de liaison central (23) présente une surface d'appui extérieure (25). Le premier élément de liaison latéral (21) présente une première surface extérieure (26) et le second élément de liaison latéral (22) une seconde surface extérieure (27). La surface d'appui (25) présente des lamelles de fixation (28) d'une longueur f. La première surface extérieure (26) présente des lamelles de centrage (29) élastiques d'une longueur z, qui sont agencées les unes derrière les autres dans le sens de la longueur. Et la seconde surface extérieure (27) ne présente pas de lamelles de centrage (29) élastiques.
EP16838086.3A 2015-12-01 2016-12-01 Élément de raccordement servant à raccorder deux baguettes profilées creuses Withdrawn EP3384119A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15197207 2015-12-01
PCT/EP2016/079461 WO2017093417A1 (fr) 2015-12-01 2016-12-01 Élément de raccordement servant à raccorder deux baguettes profilées creuses

Publications (1)

Publication Number Publication Date
EP3384119A1 true EP3384119A1 (fr) 2018-10-10

Family

ID=54770924

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16838086.3A Withdrawn EP3384119A1 (fr) 2015-12-01 2016-12-01 Élément de raccordement servant à raccorder deux baguettes profilées creuses

Country Status (2)

Country Link
EP (1) EP3384119A1 (fr)
WO (1) WO2017093417A1 (fr)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19850491A1 (de) 1998-11-02 2000-05-04 Lingemann Helmut Gmbh & Co Metallverbinder für Abstandhalterrahmen
DE202004017182U1 (de) 2004-11-03 2006-03-23 Cera Handelsgesellschaft Mbh U-förmiger Steckverbinder
DE102005027778B4 (de) 2005-03-22 2014-03-13 Cera Handelsgesellschaft Mbh U-förmiger Steckverbinder
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
CA2757945C (fr) 2009-04-07 2016-09-13 Prowerb St. Gallen Ag Espaceur destine a espacer les vitres d'un vitrage multiple, un vitrage multiple ainsi qu'un procede pour fabriquer un vitrage multiple
DE202009008694U1 (de) 2009-06-23 2010-11-11 Kronenberg, Max Steckverbinder
AU2012365511B2 (en) 2012-01-13 2016-07-14 Saint-Gobain Glass France Spacer for insulating glazing units
DE202012102380U1 (de) * 2012-06-28 2013-09-30 Max Kronenberg Steckverbinder
DE202013011960U1 (de) 2013-05-17 2014-11-17 Werner Schmitz Steckverbinder zum Verbinden von Hohlprofilen
KR101885418B1 (ko) 2013-06-14 2018-08-03 쌩-고벵 글래스 프랑스 삼중 단열 글레이징용 스페이서

Also Published As

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WO2017093417A1 (fr) 2017-06-08

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