EP1529920B1 - Profilé espaceur pour vitrage isolant - Google Patents

Profilé espaceur pour vitrage isolant Download PDF

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Publication number
EP1529920B1
EP1529920B1 EP04026177A EP04026177A EP1529920B1 EP 1529920 B1 EP1529920 B1 EP 1529920B1 EP 04026177 A EP04026177 A EP 04026177A EP 04026177 A EP04026177 A EP 04026177A EP 1529920 B1 EP1529920 B1 EP 1529920B1
Authority
EP
European Patent Office
Prior art keywords
spacer profile
spacer
der
space
wall
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.)
Revoked
Application number
EP04026177A
Other languages
German (de)
English (en)
Other versions
EP1529920A3 (fr
EP1529920A2 (fr
Inventor
Jörg LENZ
Erwin Brunnhofer
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.)
Technoform Glass Insulation Holding GmbH
Original Assignee
Technoform Caprano and Brunnhofer GmbH and Co KG
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
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Application filed by Technoform Caprano and Brunnhofer GmbH and Co KG filed Critical Technoform Caprano and Brunnhofer GmbH and Co KG
Publication of EP1529920A2 publication Critical patent/EP1529920A2/fr
Publication of EP1529920A3 publication Critical patent/EP1529920A3/fr
Application granted granted Critical
Publication of EP1529920B1 publication Critical patent/EP1529920B1/fr
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing panes
    • 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
    • E06B3/66319—Section members positioned at the edges of the glazing unit of tubular shape of rubber, plastics or similar materials
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing panes
    • E06B3/66309—Section members positioned at the edges of the glazing unit
    • E06B2003/6638—Section members positioned at the edges of the glazing unit with coatings
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing panes
    • E06B3/66309—Section members positioned at the edges of the glazing unit
    • E06B2003/6639—Section members positioned at the edges of the glazing unit sinuous
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/139—Open-ended, self-supporting conduit, cylinder, or tube-type article
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24744—Longitudinal or transverse tubular cavity or cell

Definitions

  • the present invention relates to a spacer profile for an insulating disk unit which can be formed (e.g., bent) into spacer frames for mounting within an insulating disk unit (e.g., double glazing unit) and to an insulating disk unit.
  • the spacer profile is designed for supporting and separating two window panes.
  • Isolierinnticianen two or more glass sheets are used.
  • the spacer profile is sandwiched between two panes of glass to support and separate the two panes of glass.
  • the sealed space between the panes of glass is then typically sealed with an inert insulating gas, e.g. Filled with argon.
  • the windowpanes may also be coated or finished to impart special functions to the insulating unit, such as e.g. an increased thermal insulation and / or Schallisoliertext.
  • Insulating washer assemblies intended to provide high levels of insulation are typically designed to minimize the heat transfer characteristics of the peripheral joint (s), including the spacer frame.
  • the spacer profile is preferably designed to minimize or eliminate the formation of water condensation on the interior surfaces of the window panes, even when the window panes are exposed to low outside temperatures.
  • the spacer profile should preferably be easily bendable even at relatively low temperatures (eg, at room temperature) without significantly deforming the structures defining the spacer profile.
  • Spacer profiles are provided that can be inexpensively manufactured in large numbers while providing good thermal insulating properties that minimize water condensation within the composite insulating unit (double glazing) and / or that are easily bendable without undesirable deformation.
  • Such spacer profiles can be advantageously used in the area of so-called "warm-edge" insulating disk units, in which the water condensation on an inner surface of an inner window pane is to be minimized or prevented by keeping the temperature at an edge joint surface as high as possible, even by itself when the outer window pane is exposed to relatively low outside temperatures.
  • Spacer profiles are provided which allow the fabrication of integral spacer frames by bending a linear spacer profile.
  • the resulting bent spacer frame will not exhibit any undesirable deformations even if the spacer profile is bent in the cold state or in a slightly heated state with a conventional bending device.
  • insulating disk units can be manufactured by placing the bent spacer frame between two window panes in a manner and position that allow a limited range of relative movement through the window panes when the composite insulating disk unit is subjected to pressure changes and / or shear stress.
  • the spacer profiles have a profile body which has an elastically plastically deformable material (eg a plastic or resin material) with a relatively low thermal conductivity.
  • the elastically-plastically deformable material is a deformable Reinforcing material or a deformable reinforcing layer (eg a metal) connected.
  • end portions of the reinforcing layer may be partially or completely embedded in the profile body.
  • the entire reinforcement layer may be partially or completely embedded within (disposed within) the profile body.
  • the combined structure ie, the tread body and reinforcing layer, referred to herein as the "spacer profile" is preferably bendable without undesirable deformation of the inherent structures, even when bent at relatively low temperatures (cold bendability).
  • Preferred elastically plastically deformable materials include synthetic or natural materials that undergo plastic, irreversible deformation upon overcoming the elastic recovery forces of the bent material. In such preferred materials, substantially no restoring forces are active after deformation (bending) of the spacer profile beyond its yield point.
  • Representative plastic materials also preferably have a relatively low thermal conductivity (i.e., preferred materials are heat-insulating materials), such as heat-insulating materials. a thermal conductivity of less than about 5 W / (m ⁇ K), more preferably less than about 1 W / (m ⁇ K), and even more preferably less than about 0.3 W / (m ⁇ K).
  • thermoplastic thermoplastic materials including, but not limited to, polypropylene, polyethylene terephthalate, polyamide, and / or polycarbonate.
  • This plastic material (s) may also contain commonly used fillers (e.g., fibrous materials), additives, dyes, UV protectants, etc.
  • Preferred plastically deformable reinforcing materials include metals that provide substantially no elastic restoring force beyond bending beyond the yield strength of the metal.
  • Preferred materials for the profile body optionally exhibit a thermal conductivity which is at least about ten times less than the thermal conductivity of the reinforcing material, more preferably about fifty times less than the thermal conductivity of the reinforcing material, and more preferably about one hundred times less than the thermal conductivity of the reinforcing material.
  • the spacer profiles have a relatively large hollow interior or chamber that is partially or completely filled with a hygroscopic material (also called siccative material) or desiccant known) coated and / or filled.
  • a hygroscopic material also called siccative material or desiccant known
  • the hygroscopic material is arranged in a manner that allows the hygroscopic material to communicate with the disc space defined between the panes of the composite insulating unit (double glazing) (ie, the gas in that space).
  • the hygroscopic material can remove (absorb) moisture (water vapor) from the gas located between the windowpanes. By removing moisture, it is possible to minimize or prevent fogging of the inner surface (s) of the window glass (s).
  • Two or more hygroscopic materials may be used in combination and the present teachings are not specifically limited in the types of hygroscopic materials that can be disposed within the hollow chamber of the spacer profile.
  • the plastic portion (profile body) of the spacer profile will be permanently coupled to (or materially bonded to) the reinforcing layer, e.g. by coextruding the profile body with the reinforcing layer.
  • the reinforcing layer may be permanently coupled (adhesively bonded) by laminating the reinforcing layer to the plastic section and / or disposing an adhesive between the plastic section and the reinforcing layer.
  • Various manufacturing techniques may be used to make the spacer profiles of the present teachings, but these fabrication techniques are not specifically limited.
  • the cross section of the hollow interior or the chamber of the spacer profile is preferably substantially T-shaped, bell-shaped or stepped pyramidal.
  • the width of the hollow interior or the chamber preferably decreases in the height direction of the spacer profile.
  • the width of the hollow interior or the chamber may decrease continuously or stepwise or partially continuously and partially stepwise.
  • Various chamber designs are possible, as discussed below.
  • the room with the largest width adjoins the base wall of the spacer profile.
  • the profile is designed so that the base wall faces the disc space when the Isolierimintician is composed.
  • the base wall is not formed diffusion-tight, for example by the choice of material or preferably by the formation of a plurality of openings in the base wall whereby the hygroscopic material disposed within the chamber can easily communicate with the disc space of the insulating unit. Consequently, this design of the chamber directs a relatively large surface area of the hygroscopic material to the base wall and the space between the panes of the insulating unit.
  • the chamber is designed to contain a first room and a second room.
  • the cross sections of the first and / or the second space may be substantially rectangular or oval, which includes square or circular.
  • the width of the space adjacent to the base wall is greater than the width of the other space, the width direction being defined to be parallel to the base wall.
  • the reinforcing layer is disposed on the side of the spacer profile, which is directed in the assembled state to the outside of the insulating unit.
  • a portion of the reinforcing layer, e.g. their peripheral end edge portions may optionally be partially or fully embedded within the spacer profile.
  • the spacer profile is given a bend-retaining bending resistance torque.
  • Such a bow-retaining bending resistance contributes to the cold bendability of the spacer profile, which allows bending of the spacer profile without undesirable deformations.
  • the reinforcing layer and the sidewalls of the profile body may define a flush surface if the reinforcing layer does not completely cover the sidewalls.
  • the reinforcing layer preferably extends continuously from a first sidewall across a top wall to a second sidewall of the spacer profile, thereby covering the first and second connecting segments provided between the top wall and the respective first and second sidewalls.
  • the resulting spacer frame in this case will have a particularly low elasticity and a high degree of corner stiffness.
  • the reinforcing layer has gas and vapor barrier properties.
  • the reinforcing layer is preferably substantially impermeable to gases in order to maintain the integrity of the insulating gas (e.g., argon) interposed between the windowpanes in the assembled disk unit.
  • a gas and vapor barrier can be achieved through the use of a reinforcing layer, e.g. a stainless steel foil having a thickness of less than about 0.2 mm, more preferably less than about 0.15 mm and in particular about 0.1 mm or less.
  • the minimum thickness of the reinforcing layer is preferably selected so as to obtain the required stiffness of the spacer profile and to maintain the diffusion resistance after bending, in particular also in the bent regions or sections. In general, a minimum layer thickness of about 0.02 mm is suitable for the aforementioned metal materials, although thicknesses between about 0.5 and 2.0 mm are preferred.
  • the reinforcing layer of the spacer profile preferably has an elongation at break of at least 20%, and more preferably from about 25 to 30%.
  • the reinforcing layer may preferably comprise a stainless steel layer having a thickness of less than about 0.2 mm, or more preferably about 0.1 mm or less. More preferably, the thermal conductivity of the reinforcing layer is about 15 W / (m ⁇ K) or less.
  • the spacer profile may optionally have an overall tensile strength of about 350 to 370 N / mm 2 .
  • the reinforcing layer preferably extends continuously from the first sidewall to the second sidewall.
  • the profile body may be formed as a continuous integral part (ie without interfaces between the various components of the profile body) and comprise one or more of polypropylene, polyethylene terephthalate, polyamide and / or polycarbonate.
  • the profile body can be reinforced or not reinforced.
  • the profile body may comprise one or more fibrous material (s), such as glass fibers, carbon fibers and / or natural fibers within of the profile body are dispersed.
  • the profile body may contain glass particles such as glass fibers and / or a filler such as talc dispersed therein.
  • a protective layer on the exposed side of the reinforcement layer, the exposed side being susceptible to mechanical and / or chemical influences.
  • Representative protective layers include e.g. Lacquer and / or plastic materials.
  • a thin layer of the heat-insulating material may be provided on the reinforcing layer, e.g. a material that has a relatively low thermal conductivity. Such a thin layer may optionally be embedded in one or more sections of the spacer profile.
  • the walls of the spacer profile defining the chamber may have substantially the same wall thickness. It is preferred to maximize the volume of the chamber, which results in maximizing the amount of hygroscopic material that can be disposed within the chamber. For example, the wall thickness of one or more of the walls is preferably minimized to maximize chamber volume.
  • the present spacer profiles allow the manufacture of insulating disk units from a single linear part that only needs to be bent and then closed with a connector.
  • commercially available bending tools can be used to bend the spacer profile to provide corners.
  • the surfaces of sidewalls of the spacer profile remain planar (substantially flat) and substantially perpendicular to the base wall so that the side surfaces are parallel or substantially parallel to the respective window panes in the composite insulating disk unit.
  • the elastically plastically deformable heat insulating material is permanently coupled (bonded) to the plastically deformable reinforcing layer, the spacer profile is given a good balance of forces even during cold bending.
  • the expected bending points of the spacer profile may be slightly warmed before bending to accelerate the relaxation of the spacer profile and the reinforcing layer at the portions, which are bent.
  • various connectors may be conveniently used to connect the ends of the bent spacer frame, including corner connectors and straight connectors.
  • the free space defined along the outer circumferential edge of the composite insulating disk unit may be completely filled with a mechanically stabilizing sealing material or the sealing material may substantially fill this free space.
  • Suitable sealing materials are commercially available insulating glass adhesives comprising polysulfides, polyurethanes or silicones.
  • butyl sealant materials, e.g. Polyisobutylenes contain suitable diffusion resistant adhesive materials for bonding the sidewalls of the spacer frame to the respective windowpanes.
  • the spacer profiles comprise a profile body having a base wall, first and second side walls extending from the base wall and an upper wall extending substantially parallel to the base wall.
  • a first connection segment preferably connects the first side wall to the top wall and a second connection segment connects the second side wall to the top wall.
  • the first and second connecting segments define an inwardly arched or angled, ie concave (eg, substantially V-shaped or U-shaped) recess (groove, recess) between the top wall and the respective first and second side walls together therewith
  • the profile body is preferably as a single, integral continuous part without limits (Interfaces) formed between the various components of the profile body (ie, without interfaces between the top wall, the side walls, the base wall and the connecting segments).
  • the profile body preferably comprises an elastically plastically deformable material having a thermal conductivity of less than about 0.3 W / (m ⁇ K).
  • Such profile bodies can be produced by known extrusion techniques.
  • a reinforcing layer is bonded to the upper wall, the first and second connecting segments, and the first and second side walls.
  • the reinforcing layer has a thermal conductivity of less than about 50 W (m ⁇ K) and is optionally resistant to diffusion of gas and vapor through the reinforcing layer.
  • the Fig. 1 shows a cross section perpendicular to the longitudinal direction of a spacer profile 1 according to one embodiment.
  • the Fig. 1 the cross section of the spacer profile 1 in an XY plane perpendicular to a Z-direction.
  • the Z-direction is perpendicular to the X-direction and the Y-direction, which is perpendicular to the X-direction, and perpendicular to the paper plane.
  • the longitudinal direction of the spacer profile 1 is consequently the Z direction.
  • a chamber (cavity) 7 is defined by a base wall 2, a pair of side walls 3, a top wall 4 and connecting segments 5 connecting the respective side walls 3 to the top wall 4.
  • the base wall 2 is longer than the upper wall 4.
  • the side walls 3 preferably have the same length.
  • the base wall 2 and the upper wall 4 extend substantially in the X direction (transverse direction) and the side walls 3 extend in cross section substantially in the Y direction (height direction).
  • the chamber 7 has a substantially T-shaped or bell-shaped cross-section.
  • the chamber 7 has an upper (first) space 10 adjacent to the upper wall 4 and a base space (second space) 11 adjacent to the base wall 2 and a larger width (ie, dimension in the transverse direction X) than the upper one Room 10, on.
  • the chamber 7 may have a cross section that is substantially stepped or pyramidal. In other words, the chamber 7 tapers continuously or stepwise in the height direction.
  • the corners of the chamber 7 can substantially be rounded or curved, as in the Fig. 1 is shown, or the corners may be angled, such as rectangular, acute or obtuse.
  • the inner surface of the chamber 7 is filled with a hygroscopic material, e.g. Silica gel or molecular sieves coated and / or the chamber 7 is filled with the hygroscopic material or a material comprising at least partially a hygroscopic material, or substantially filled.
  • a plurality of openings 8 are defined in the base wall 2 to allow communication (communication) of the chamber 7 with the outside of the base wall 2.
  • Preferred hygroscopic materials can absorb moisture from the gas (e.g., argon) located between the windows of the composite washer unit. Consequently, by providing the openings 8 with the gas disposed between the window panes, the chamber 7 can communicate (communicate) to remove moisture from the gas.
  • the side walls 3 preferably each have a height in the Y direction which is smaller than the distance of the outer surfaces of the base wall 2 and the upper wall 4.
  • the side wall 3, the upper wall 4 and the connecting segment 5 define a recess (eg groove, longitudinal recess) 9.
  • the recess 9 is defined by the connecting segment 5 and one of the side walls 3 and the upper wall 4.
  • the shape of the recess 9 should be curved inwards or angled (concave) can be.
  • the depth of the first and second recesses may additionally or alternatively be between about 0.5 to 5 times the thickness of the side walls.
  • the recess 9 extends in the vertical direction Y in the direction of the base wall 2, that is, it is concave.
  • the recess 9 extends with respect to an imaginary line A, which faces away from the base wall 2 ends of the first and the second Side wall 3 connects, in the height direction Y in the direction of the base wall 2.
  • the side walls 3, the connecting segments 5 and the upper wall 4 are preferably designed so that the depth D (depth in the vertical direction Y relative to A) of the recess 9 equal or less is twice the width H (width in the transverse direction X) of the recess 9, and more preferably the depth D is equal to the width H or less.
  • the recess 9 is substantially U-shaped.
  • the recess 9 may be flat and substantially rectangular.
  • the connecting segments 5 between them may define a substantially acute angle in the range of about 60 to 90 °.
  • the side walls 3 preferably extend substantially parallel along the height direction Y of the spacer profile 1, as shown in FIG Fig. 1 is shown.
  • Each of the walls 2, 3, 4 and the connecting segments 5 may have substantially the same thickness.
  • the material for the walls 2, 3 and 4 and the connecting segments 5 are preferably diffusion-resistant (impermeable) or diffusion-resistant (substantially impermeable), so that the diffusion (transfer) of gases or liquids through the spacer profile 1 is prevented or at least minimized.
  • a layer of a diffusion-resistant material may be disposed on an outer surface of the spacer profile 1 to prevent diffusion of substances such as water and atmospheric gases (eg, nitrogen and oxygen) through the spacer profile 1, so that the integrity of the insulating gas (eg Argon) which is located between the panes of the composite insulating unit.
  • substances such as water and atmospheric gases (eg, nitrogen and oxygen) through the spacer profile 1, so that the integrity of the insulating gas (eg Argon) which is located between the panes of the composite insulating unit.
  • a reinforcing material (a reinforcing layer) 6 is arranged along at least the upper wall 4 of the spacer profile 1. More preferably, the reinforcing material 6 also extends along the connecting segments 5 and the side walls 3. By covering the side walls 3 with the reinforcing material 6, improved adhesive properties can be achieved when the spacer profile 1 is glued or bonded to the window panes to form the composite insulating disk unit. In addition, the spacer profile 1 is improved due to the permanently bonded sandwich structure (ie, the connecting segments 5 and the sidewalls 3 are surrounded by the reinforcing layer 6) Have bending properties.
  • the reinforcing material 6 may be disposed on the outer surface of the spacer profile 1 or it may be partially or completely embedded within the spacer profile 1. In the latter case, a protrusion 12 of the side wall 3 may overlap the end of the reinforcing material 6.
  • the base wall 2 can be formed of a porous material, which allows a diffusion of moisture into the chamber 7.
  • the openings 8 may be omitted if necessary.
  • either another reinforcing material or the same reinforcing material 6 may partially or completely cover the outer surface of the base wall 2, but this is not preferable.
  • a decorative layer and / or a heat radiation (IR) -reflective layer may optionally be arranged on the outer surface of the base wall 2.
  • the spacer profile 1 is preferably bendable so that a carrier or support frame is formed. More preferably, the spacer profile 1 is bendable without undesirable deformation occurring along the side walls 3 of the corner portion, even if the spacer profile 1 is bent at a relatively low temperature (eg, room temperature).
  • the curved support frame is then between a Pair of window panes 23 arranged to form a composite Isolierefficiencyntician 20.
  • a representative embodiment of a Isolierusionntician 20 is in the Fig. 2 shown.
  • the sidewalls 3 remain substantially perpendicular to the base wall 2 even after being bent so that the sidewalls 3 in the composite double glazing 20 are parallel or substantially parallel to the window panes 23 are.
  • a protective layer may be further disposed along the outer surface of the reinforcing material 6, if necessary, before the spacer profile 1 is inserted between the window panes 23.
  • the sealing material 22 preferably serves to support the spacer profile 1 between the window panes 23 and provides an airtight or substantially airtight seal.
  • an adhesive material 21 is preferably arranged between the side walls 3 and the window panes 23.
  • the spacer profile 1 may first be fixed to the respective inner surfaces of the window panes 23 with the adhesive 21. Subsequently, the remaining space may be filled with a mechanically stabilizing sealing material 22, which preferably also provides an airtight / watertight seal or a substantially airtight / watertight seal.
  • the sealing material 22 is preferably selected so as to additionally prevent or minimize the entry of moisture and other undesirable gases into the enclosed space between the windowpanes 23 in the composite insulating unit 20.
  • Two or more different sealing materials 22 for filling the outer or peripheral space may be used.
  • a first sealing material 22 may be filled into the room and allowed to cure.
  • a second sealing material 22 may be disposed at least partially over the first sealing material 22.
  • the base wall, sidewalls and top walls 2, 3, 4 and connecting segments 5 are formed of polypropylene novolas 1040K having a wall thickness of about 1 mm.
  • the base wall, sidewalls and top walls 2, 3, 4 and connecting segments 5 may be formed of polypropylene MC208U comprising 20% talc or polypropylene BA110CF which is a heterophasic copolymer, both from Borealis A / S , Kongens Lyngby, Denmark.
  • the base wall, sidewalls and top walls 2, 3, 4 and connecting segments may be formed from Adstif® HA840K, which is a polypropylene homopolymer available from Basell Polyolefins Company NV.
  • the reinforcing material 6 may be a metal foil or a thin metal plate material, e.g. Andralyt E2, 8/2, 8T57, and it may have a thickness of about 0.1 mm.
  • the metal material 6 may preferably be coextruded with, or alternatively laminated to, the top wall and sidewalls 3, 4 and connecting segments 5.
  • the reinforcing material 6 may be formed using a 50 ⁇ m layer of an adhesive such as e.g. a polyurethane and / or a polysulfide to the plastic portion of the spacer profile 1 are glued.
  • the outside of the metal foil or the thin metal plate (foil) was preferably treated to prevent corrosion (e.g., rust).
  • the reinforcing material 6 may be a tinned iron foil.
  • the base portion of the tinned iron foil may have a chemical composition of 0.070% carbon, 0.400% manganese, 0.018% silicon, 0.045% aluminum, 0.020% phosphorus, 0.007% nitrogen, balance iron.
  • a tin layer having a weight / surface area ratio of 2.8 g / m 2 may be applied to the base portion to a thickness of about 0.38 ⁇ m.
  • the reinforcing material 6 may be a stainless steel foil, such as Krupp Verdol Aluchrom I SE, having a thickness of about 0.05 to 0.2 mm, preferably from about 0.05 mm to 0.2 mm, and most preferably about 0.1 mm include.
  • the chemical composition of this stainless steel may be 19 to 21% chromium, maximum 0.03% carbon, maximum 0.50% manganese, maximum 0.60% silicon, 4.7 to 5.5% aluminum, balance iron.
  • the reinforcing material 6 may be aluminum having a thickness of about 0.2 to 0.4 mm.
  • a galvanized iron / steel sheet having a thickness of about 0.1 to 0.15 mm may be used as the reinforcing material 6.
  • the composite spacer profile 1 preferably has a width (X direction) of about 16 mm and a height (Y direction) of about 6.5 mm.
  • the chamber 7 has a height of about 5 mm.
  • the base space 11 of the chamber 7 has a width of about 13.5 mm and the upper space 10 of the chamber 7 q has a width of about 10 mm.
  • the chamber 7 may be filled with a known desiccant (hygroscopic material), e.g. the molecular sieve Phonosorb 555, which was manufactured by W.R. Grace & Company.
  • a known desiccant e.g. the molecular sieve Phonosorb 555, which was manufactured by W.R. Grace & Company.
  • the base wall 2 e.g. two longitudinal rows of openings 8 are provided so that the desiccant can communicate with the space between the windowpanes.
  • the elongated spacer profile 1 may optionally be cut into lengths (ie along the Z direction) of 6 meters (about 20 feet) and then further processed with known flexures to form the support frame.
  • the FX Bayer automatic bender can be used to form VE type spacer frames that are tailored to customer specifications.
  • the spacer profile 1 may be bent to form four corners therein and the ends of the bent spacer profile 1 may be joined using a straight connector to form the spacer frame.
  • known techniques may be used to form the composite insulating pan unit 20.
  • one of the window panes 23 may be provided with a heat-shielding layer having an emission coefficient of about 0.1.
  • the enclosed space defined between the windowpanes 23 and bounded by the spacer frame may be argon or other inert and / or insulating gaseous substance be filled.
  • the enclosed space has an argon content of at least about 90% of the total gas volume within the enclosed space.
  • the adhesive 21 is preferably a butyl sealing material, such as e.g. Polyisobutylene.
  • the adhesive 21 may have a width of about 0.25 mm and a height of about 4 mm.
  • the sealing material 22 may be a polysulfide adhesive having a thickness of about 3 mm.
  • the reinforcing layer 6 and the plastic section (profile body) of the spacer profile 1 may have the following preferred properties.
  • the reinforcing layer 6 or the profile body of the spacer profile 1 can have a modulus of elasticity of about 180 to 220 kN / mm 2 or about 1.5 to 2.5 kN / mm 2 .
  • the reinforcing layer 6 or the profile body of the spacer profile 1 can have a tensile strength of about 350 to 650 N / mm 2 or 35 to 40 N / mm 2 .
  • the spacer profile 1 ie, the combined plastic sections (spacer body) and the reinforcing material 6) preferably has an overall tensile strength of about 350 to 370 N / mm 2 .
  • the reinforcing layer 6 and the plastic portion of the spacer profile 1 may each have a yield strength or yield strength of about 280 to 580 N / mm 2 and 35 to 40 N / mm 2 , respectively. Additionally or alternatively, the reinforcing layer 6 and the profile body of the spacer profile 1 each have an elongation at break of about 20 to 30% and about 500%. In particular, the reinforcing material 6 has an elongation at break of about 25 to 30%.
  • the reinforcing layer 6 and the profile body of the spacer profile 1 can each have a thermal conductivity of 15 to 35 W / m ⁇ K or 0.3 W / m ⁇ K or less, more preferably 0.15 W / m ⁇ K or less exhibit. Additionally or alternatively, the reinforcing layer 6 and the profile body of the spacer profile 1 may each have an elastic extensibility of about 0.2% and about 7%.
  • the first spacer profile 1 was according to the present teachings with sidewalls 3 with a height (Y-direction) of 5.2 mm and a total height (Y-direction from the outer surface of the base wall 2 to the outer surface of the upper wall 4) of 7.0 mm constructed.
  • the upper wall 4 had a width of 11.1 mm.
  • the distance from the outer surface of the upper wall 4 to the base of the recess 9 was 2.4 mm.
  • a first portion of the hollow chamber 7, which was closest to the base wall 2 had an inner width (X direction) of 13.3 mm and a height of 3.1 mm.
  • the spacer body was made of polypropylene.
  • the reinforcing layer 6 was disposed on the outer surface of the side wall 3, the upper wall 4 and the connecting portions 5. Further, the reinforcing layer 6 had a thickness of 0.13 mm and was formed of stainless steel.
  • the side walls at the corner portions had a height of 4.9 to 5.0 mm, and the side walls 3 remained substantially flat and perpendicular to the base wall 2. No perceptible depressions had been formed in the corner portions.
  • the spacer profile 1 of the present teachings could be "cold" bent without significant distortion or distortion at the corner portions. Consequently, the side walls 3 at the corner portions of the curved spacer profile 1 provide a substantially flat surface for adhering to the window panes 23 of the composite double glazing structure 20.
  • the second spacer profile was completely made of stainless steel with the in the US 6,601,994 formed trapezoidal shape.
  • the side walls of the second spacer profile had a height of 4.4 mm.
  • the side walls at the corner portions had a height of 3.4 mm and at the corner portion in the side walls There were several, relatively large depressions.
  • the trapezoidal stainless steel spacer profile after being bent at its corner portions, exhibited significant distortion and deformation in the sidewalls.
  • the third spacer profile was completely made of aluminum with the in the US 6,601,994 formed trapezoidal shape.
  • the side walls of the third spacer profile had a height of 5.0 mm.
  • the sidewalls had a height of 4.15 mm at the corner portions and in the sidewalls at the corner portions there were several small depressions. Consequently, the trapezoidal shaped aluminum spacer profile, after being bent at its corner portions, also had significant distortions and deformations in the sidewalls.
  • the fourth spacer profile was a composite material with that in the US 6,601,994 described trapezoidal shape.
  • the profile body was made of polypropylene.
  • a reinforcing layer of stainless steel was embedded within the profile body and the reinforcing layer extended from one side wall to the other side wall along the top wall of the spacer profile. In other words, the reinforcing layer did not extend along the base wall of the spacer profile.
  • the sidewalls of the fourth spacer profile had a height of 4.7 mm. After bending, the sidewalls at the corner portions had a height of 4.3 mm, and at the corner portions of the spacer profile there was a relatively large recess in the sidewalls. Consequently, the fourth (composite) spacer profile with trapezoidal shape after bending at its corner portions also exhibited significant distortions and deformations in the sidewalls.
  • the chamber 11 of the above first spacer profile has an internal cross-sectional area of 63.9 mm 2 .
  • the spacer profile which in the US 6,339,909 described and has the same width (16 mm) and a height of 6.5 mm, an internal cross-sectional area of 46.1 mm 2 on. Consequently, the present designs an increased volume for receiving the hygroscopic material without increasing the size of the outer dimensions of the spacer profile.
  • the present designs provide the added benefit of being able to maintain the interior space (gas space) of the composite double glazing over a longer period of time in a dry state as compared to spacer profiles of similar outside dimensions (ie, similar widths and heights).

Landscapes

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

Claims (10)

  1. Profilé écarteur pour un cadre écarteur destiné à être agencé, dans la zone de bordure d'un ensemble de vitrage isolant comportant au moins deux vitres (23), entre deux de ces vitres (23) en formant un espace intermédiaire entre vitres, ledit profilé s'étendant dans une direction longitudinale (Z), comportant
    un corps profilé qui est constitué d'un premier matériau déformable par voie élastique-plastique présentant un coefficient de conductivité thermique de moins d'environ 0,3 W/(mK) et qui s'étend dans la direction longitudinale (Z), et qui comprend une chambre (7) qui s'étend dans la direction longitudinale (Z) et qui est définie par
    - une paroi de base (2) s'étendant dans la direction longitudinale (Z),
    - une première paroi latérale (3) et une seconde paroi latérale (3) qui s'étendent dans la direction longitudinale (Z) et qui s'étendent parallèlement l'une à l'autre à une première distance dans une direction transversale (X) qui est perpendiculaire à la direction longitudinale (Z), et qui s'étendent dans une direction en hauteur (Y) perpendiculaire à la direction longitudinale (Z) et à la direction transversale (X), à partir de côtés de la paroi de base opposés en direction transversale (X) et qui constituent des parois extérieures du profilé écarteur opposées aux surfaces intérieures respectives des vitres (23),
    - une paroi supérieure (4) qui s'étend à une seconde distance dans la direction en hauteur (Y) à partir de et parallèlement à la paroi de base (2) et à une largeur en direction transversale (X) réduite par rapport à celle de la paroi de base (2) dans la direction longitudinale (Z),
    - un premier segment de liaison (5) qui relie la première paroi latérale (3) à la paroi supérieure (4), et
    - un second segment de liaison (5) qui relie la seconde paroi latérale (3) à la paroi supérieure (4),
    de telle sorte que la chambre (7) présente un premier espace (10) et un second espace (11) qui communique au moins avec le premier espace (10), le premier espace (10) étant adjacent à la paroi supérieure (4) et le second espace (11) étant adjacent à la paroi de base (2), le second espace (11) présente en direction transversale (X) une largeur supérieure à celle du premier espace (10) et s'étend, en section transversale, perpendiculairement à la direction longitudinale (Z) dans la direction en hauteur (Y) entre les évidements (9) et la paroi de base (2) jusqu'aux parois latérales (3), et
    une couche de renforcement (6) en un second matériau qui est prévue dans ou sur la paroi supérieure (4) au moins, dans ou sur le premier et le second segment de liaison (5) et dans ou sur la première et la seconde paroi latérale (3), la couche de renforcement présentant un coefficient de conductivité thermique inférieur à environ 50 W/(mK),
    dans lequel le premier segment de liaison (5), la première paroi latérale (3) et la paroi supérieure (4) définissent un évidement concave (9), et
    dans lequel le second segment de liaison (5), la seconde paroi latérale (3) et la paroi supérieure (4) définissent un évidement concave (9).
  2. Profilé écarteur selon la revendication 1, dans lequel la chambre (7) présente en section transversale perpendiculairement à la direction longitudinale (Z) une forme qui est sensiblement en T ou sensiblement en forme de cloche ou sensiblement en forme de pyramide ou sensiblement en gradins.
  3. Profilé écarteur selon la revendication 1 ou 2, dans lequel le premier espace (10) et le second espace (11) sont réalisés, en coupe transversale perpendiculairement à la direction longitudinale (Z), sensiblement en forme de rectangle à transitions et à coins arrondis.
  4. Profilé écarteur selon l'une des revendications précédentes, dans lequel la paroi de base n'est pas réalisée étanche à la diffusion, et dans lequel la chambre (7) est adaptée à recevoir un matériau hygroscopique dans la chambre (7).
  5. Profilé écarteur selon l'une des revendications précédentes, dans lequel les évidements (9) s'étendent chacun, par rapport à une ligne imaginaire (A) qui relie les extrémités des parois latérales (3) détournées de la paroi de base (2) dans la direction en hauteur (Y), dans la direction en hauteur (Y) en direction de la paroi de base (2) jusqu'à une profondeur (D) et/ou dans lequel chacun des évidements présente en direction transversale (X) une largeur (H) entre la paroi latérale voisine (3) et le segment de liaison voisin (5) qui délimitent l'évidement.
  6. Profilé écarteur selon la revendication 5, dans lequel la profondeur (D) est inférieure ou égale au double de la largeur (H) de l'évidement (9).
  7. Profilé écarteur selon l'une des revendications précédentes, dans lequel le premier matériau est choisi parmi un groupe comprenant le polypropylène, polyéthylène-téréphtalate, polyamide et polycarbonate et des mélanges de ces matériaux, et est renforcé optionnellement d'un matériau choisi parmi les fibres de verre, les fibres de carbone et les fibres naturelles, et le premier matériau présente un module E de préférence inférieur ou égal à 2200 N/mm2 et un coefficient de conductivité thermique λ inférieur ou égal à 0,3 W/(mK), de préférence inférieur ou égal à 0,2 W/(mK).
  8. Profilé écarteur selon l'une des revendications précédentes, dans lequel le second matériau est un métal, de préférence de l'acier spécial ou un acier avec une protection anticorrosion en étain (tôle blanche) ou en zinc, le second matériau présente un module E de préférence dans la plage de 170 à 240 kN/mm2, de préférence d'environ 210 kN/mm2, un coefficient de conductivité thermique λ inférieur ou égal à 50 W/(mK), de préférence inférieur ou égal à 25 W/(mK), de préférence particulière inférieur ou égal à 15 W/(mK), et une allongement à la rupture supérieur ou égal à 15 %, de préférence supérieur ou égal à 20 %.
  9. Profilé écarteur selon l'une des revendications précédentes, dans lequel le premier et le second matériau sont choisis de telle sorte que le profilé écarteur peut être cintré à froid.
  10. Ensemble de vitrage isolant comportant
    au moins deux vitres qui se font face à une distance pour former un espace intermédiaire entre vitres, et
    un cadre écarteur qui est réalisé à partir d'un profilé écarteur selon l'une des revendications 1 à 9 et qui délimite l'espace intermédiaire entre vitres,
    dans lequel les parois latérales du profilé écarteur sont collées sensiblement sur toute leur longueur et sur toute leur hauteur sur le côté intérieur de vitre tourné vers celles-ci, au moyen d'un matériau collant étanche à la diffusion, et dans lequel l'espace libre restant entre les côtés intérieurs de vitre est rempli d'un matériau d'étanchéité et de stabilisation mécanique sur le côté du cadre écarteur et du matériau collant, qui est détourné de l'espace intermédiaire entre vitres.
EP04026177A 2003-11-07 2004-11-04 Profilé espaceur pour vitrage isolant Revoked EP1529920B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US794266 1991-11-19
US51821503P 2003-11-07 2003-11-07
US518215P 2003-11-07
US10/794,266 US6989188B2 (en) 2003-11-07 2004-03-05 Spacer profiles for double glazings

Publications (3)

Publication Number Publication Date
EP1529920A2 EP1529920A2 (fr) 2005-05-11
EP1529920A3 EP1529920A3 (fr) 2006-08-30
EP1529920B1 true EP1529920B1 (fr) 2008-08-27

Family

ID=34437356

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04026177A Revoked EP1529920B1 (fr) 2003-11-07 2004-11-04 Profilé espaceur pour vitrage isolant

Country Status (5)

Country Link
US (1) US6989188B2 (fr)
EP (1) EP1529920B1 (fr)
AT (1) ATE406500T1 (fr)
DE (2) DE202004021841U1 (fr)
ES (1) ES2309434T3 (fr)

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US7135166B2 (en) * 2000-09-22 2006-11-14 Wella Ag Hair styling stick containing polyethylene glycols of different molecular weights
US6581341B1 (en) 2000-10-20 2003-06-24 Truseal Technologies Continuous flexible spacer assembly having sealant support member
US6601994B2 (en) 2001-12-05 2003-08-05 The Timken Company Compact hub assembly
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3009589A1 (fr) 2014-10-13 2016-04-20 Technoform Glass Insulation Holding GmbH Espaceur d'isolation d'unités de vitrage comportant une couche de métal présentant des propriétés améliorées d'adhérence

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Publication number Publication date
DE202004021841U1 (de) 2011-08-05
US20050100691A1 (en) 2005-05-12
EP1529920A3 (fr) 2006-08-30
EP1529920A2 (fr) 2005-05-11
US6989188B2 (en) 2006-01-24
ATE406500T1 (de) 2008-09-15
ES2309434T3 (es) 2008-12-16
DE502004007942D1 (de) 2008-10-09

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