EP0848781B1 - Wärmegedämmtes verbundprofil - Google Patents

Wärmegedämmtes verbundprofil Download PDF

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Publication number
EP0848781B1
EP0848781B1 EP96937182A EP96937182A EP0848781B1 EP 0848781 B1 EP0848781 B1 EP 0848781B1 EP 96937182 A EP96937182 A EP 96937182A EP 96937182 A EP96937182 A EP 96937182A EP 0848781 B1 EP0848781 B1 EP 0848781B1
Authority
EP
European Patent Office
Prior art keywords
width
heat
boundary walls
range
member according
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
EP96937182A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0848781A1 (de
Inventor
Harald Schulz
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.)
Norsk Hydro ASA
Original Assignee
Norsk Hydro ASA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7771330&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0848781(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Norsk Hydro ASA filed Critical Norsk Hydro ASA
Priority to EP99106735A priority Critical patent/EP0927808B1/de
Priority to DE29624629U priority patent/DE29624629U1/de
Publication of EP0848781A1 publication Critical patent/EP0848781A1/de
Application granted granted Critical
Publication of EP0848781B1 publication Critical patent/EP0848781B1/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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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
    • E06B3/04—Wing frames not characterised by the manner of movement
    • E06B3/263—Frames with special provision for insulation
    • E06B3/26301—Frames with special provision for insulation with prefabricated insulating strips between two metal section members
    • E06B3/26303—Frames with special provision for insulation with prefabricated insulating strips between two metal section members with thin strips, e.g. defining a hollow space between the metal section members
    • 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
    • E06B3/04—Wing frames not characterised by the manner of movement
    • E06B3/263—Frames with special provision for insulation
    • E06B3/2632—Frames with special provision for insulation with arrangements reducing the heat transmission, other than an interruption in a metal section
    • E06B2003/26332—Arrangements reducing the heat transfer in the glazing rabbet or the space between the wing and the casing frame
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/04—Wing frames not characterised by the manner of movement
    • E06B3/263—Frames with special provision for insulation
    • E06B2003/26349—Details of insulating strips
    • E06B2003/2635—Specific form characteristics
    • E06B2003/26352—Specific form characteristics hollow

Definitions

  • the invention relates to a thermally insulated Composite profile, especially for windows, doors, Facades or the like, consisting of outer and inner metal profiles that have at least one with Insulation bridge provided with connection profiles connected and spaced apart, the connection profiles in the grooves of the Metal profiles grip and the insulating bridge two in essentially parallel, a cavity between them has defining boundary walls, wherein between the Boundary walls transverse to them can be arranged, whereby the cavity in Inside the isolating web in several, towards arranged one behind the other between the metal profiles Hollow chambers is divided.
  • thermally insulated composite profiles are known for example from DE 42 38 750, the Insulating web or the insulating webs for a thermal Separate the outer and inner metal profiles.
  • the degree of heat conduction in the present case is made up of the proportion of heat that flows over the boundary walls on the one hand and the still air inside the cavity or the hollow chambers and the air space adjacent to the outside of the insulating web on the other.
  • the proportion of heat flowing over the insulating web is essentially influenced by the thickness and width of the boundary walls and the thermal conductivity of the material.
  • the mechanical parameters (strength, thickness, wall thickness, width) likewise determine the mechanical properties of the statically load-bearing insulating web which forms a spacer. The further reduction in heat conduction is therefore usually limited for structural reasons (wall thickness, width).
  • a transmitting medium is not required, so that the dimensioning of the insulating web is insignificant insofar as shading, reflections or the like influencing the radiation by the insulating web are not to be taken into account.
  • heat energy flows to it Liquids, gases or vapors due to thermal conduction or possibly also transmit radiation and carried along by the current. Since the heat transfer medium the absorption of heat energy reduces its density and consequently experiences a buoyancy, which causes Heat transfer itself as free convection designated heat flow.
  • the design of the Isolierstegs not the proportion of heat carry insignificantly influenced, so that it is the task of present invention is, in composite profiles type mentioned the design of the insulating web to improve so that the convection, ie the proportion heat transfer, limited to such a value is that the resulting heat transfer from is of the same order of magnitude as pure heat conduction with still air, and that at the same time the Radiation exchange (heat transfer through long-wave Infrared radiation) is reduced. This is supposed to a 30% reduction in heat loss achieved compared to the current state of the art become.
  • the aspect ratio of the vertical height (h) to the horizontal width (d) of the cavity or the hollow chambers can in particular be such that, taking into account the temperatures to be expected on the outer and inner metal profiles, the square of this aspect ratio multiplied by the Rayleigh Number (Ra h ), smaller than the numerical value 72.
  • the size of the Grashof number is a measure of the heat that is transported due to convection from the warm to the cold side of the cavity or hollow chamber.
  • the geometry of the insulating web that is to say the aspect ratio h / d of the cavity or the hollow chambers, is selected taking into account the expected temperature conditions so that the product of the square of the aspect ratio and the Rayleigh number remains smaller than the numerical value 72 This ensures that convection is restricted within the cavity or the hollow chambers to such an extent that the heat transfer is of the same order of magnitude as with pure heat conduction in still air.
  • the Number of hollow chambers depends on the width and height of the insulating bar and the specified aspect ratio determine.
  • each of the two boundary walls is in the range between 0.4 mm and 1.0 mm.
  • a preferred embodiment of the invention is characterized in that the insulating web has three hollow chambers and the geometry ratio related to the outer contour of the insulating strip (width D and height H) within the interval 1.3 * D - 0.022 * D 2 ⁇ H ⁇ 4.14 * D -0.088 * D 2 .
  • the width of the boundary walls is chosen to be small, so the load on the insulating web is small, at the same time, however, increases due to the low Way between the two metal profiles Heat conduction. On the other hand, due to the lower load with lower aggregates be worked, which in turn the Thermal conductivity decreases.
  • the proposed according to the invention Parameter combination thus sets the frame, within which, in addition to optimum thermal insulation also the required strength of the insulating bridge is achieved. Even with a larger width of the Boundary walls become the one that then enters Deterioration of the heat flow due to the dimensioning of the air pockets, due to the profit overcompensated.
  • the wall thickness of the boundary walls and / or the Thermal conductivity of the boundary walls in the predetermined interval chosen so small enough are that the width of the boundary walls in the area is between 20 and 50 mm.
  • the clear distance of the boundary walls in the area is between 5 and 10 mm.
  • crossbar or crossbars can expediently perpendicular to the Boundary walls aligned and fixed with these be connected. However, it is basically also possible that the between the cross bar and the Boundary walls formed angles in the area between 75 ° and 105 °.
  • the Wall thickness of the two boundary walls in the area is between 0.5 mm and 0.8 mm.
  • connection profiles symmetrical (center) to the insulating bridge are arranged.
  • the insulating web 6 has two essentially parallel, forming a cavity between them Boundary walls 6.1.6.2, whereby between the Boundary walls 6.1,6.2 running transversely to them Crosspieces 10 are arranged, whereby the cavity in the Inside of the insulating web 6 in several, in Longitudinal direction of the insulating web 6 one behind the other arranged hollow chambers is divided.
  • the heat transfer can be taken into account transport mechanisms mentioned at the beginning calculate appropriate procedures. Will that Aspect ratio of vertical height (h) to horizontal width (d) of the cavity or Hollow chambers varies, so it shows that the Share of heat transfer from warmer to colder Metal profile on convection in the hollow chambers 11 declines, by appropriate choice of Aspect ratio can be reduced so that his share compared to the heat conduction and the Heat radiation becomes insignificant.
  • a thermal resistance of the insulating web in the range between 0.15 m 2 K / W and 0.30 m 2 is achieved K / W the width (D) of the insulating web to 20 mm, in the range between 0.25 m 2 K / W and 0.50 m 2 K / W the width (D) of the insulating web to 30 mm, in the range between 0, 35 m 2 K / W and 0.65 m 2 K / W the width (D) of the insulating bridge to 40 mm, in the range between 0.40 m 2 K / W and 0.80 m 2 K / W the width (D ) of the insulating web is set to 50 mm.
  • the width (d) of the cavity or hollow chamber is chosen to be less than or equal to the width (D) of the insulating web and greater than or equal to one third of the width (D) of the insulating web, as long as the height of the cavity or hollow chamber 11 is smaller or is 5 mm.
  • the ratio of height (h) to width (d) is chosen to be greater than or equal to 0.2 and less than or equal to 5.
  • An increase in the thermal conductivity of the boundary walls (6.1,6.2) by 10% in the range between 0.15 W / mK and 0.40 W / mK leads to a reduction in the thermal resistance by 2 to 4%, which is correspondingly the case with the initially selected output variables is taken into account.
  • the aspect ratio can be estimated in a simplified manner:
  • the geometric ratio relating to the outer contour of the insulating strip should then be 1.3 * D - 0.022 * D 2 ⁇ H ⁇ 4 within the interval , 14 * D -0.088 * D 2 .
  • Corresponding interval specifications can be made for a different number of hollow chambers 11.
  • the composite profile is used in a window, of which, however, only the lower sash profile and frame profile cross section are shown.
  • Both the frame profile 1 and that Wing profile 2 are a thermally insulated composite profile trained and also consist of outer 3 and inner 4 metal profiles, each with two with Connection profiles 5 provided insulating webs 6 connected and at a distance from each other are held.
  • the essentially dovetail-shaped connecting profiles 5 engage positively in the grooves of the Metal profiles 3, 4.
  • the glass pane 7 itself is over Glazing seals 8 by means of a glazing bead 9 on Wing profile 2 held.
  • the insulating webs 6 in turn have two essentially parallel boundary walls 6.1, 6.2, that form a cavity between them.
  • the Boundary walls 6.1, 6.2 are over several Crosspieces 10 connected to each other, the number of Crosspieces 10 from the boundary conditions already explained is dependent.
  • the crosspiece 10 is rectangular aligned to the boundary walls 6.1, 6.2 and firmly connected to them.
  • this crossbars 10 under one Angle between 75 ° and 105 °, possibly even under one even larger angles to the boundary walls 6.1, 6.2 to the extent that this does not result in too much significant deterioration in thermal insulation occurs.
  • the wall thickness of the boundary walls 6.1, 6.2 can in Range between 0.4 mm and 1 mm, the Wall thicknesses of the two boundary walls 6.1, 6.2 are equal to each other. To be particularly advantageous it has been shown if the wall thickness of the Boundary walls 6.1, 6.2 in the range between 0.5 mm and 0.8 mm.
  • the wall thickness of the boundary walls 6.1, 6.2 and / or their thermal conductivity in the predetermined interval should be chosen to be sufficiently small that the width of the boundary walls 6.1, 6.2 is in the range between 20 and 50 mm.
  • connection profiles 5 are the Connection profiles 5 symmetrical, i.e. in the center of Insulating web 6 arranged.
  • connection profiles 5 asymmetrically Insulating web 6 are arranged, especially if Insulating webs 6 with comparatively far from each other spaced boundary walls 6.1, 6.2 application Find.
  • FIG. 3 shows, in which both insulating webs 6 in Frame profile 1 and the upper insulating web 6 in Wing profile 2 in the manner just described are trained.
  • the distance of the boundary walls 6.2 Insulating webs 6 in the frame profile 1 of the Boundary walls 6.1 to enlarge even further.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Inorganic Insulating Materials (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Wing Frames And Configurations (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Thermal Insulation (AREA)
  • Building Environments (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Insulating Bodies (AREA)
  • Cookers (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Cold Cathode And The Manufacture (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Special Wing (AREA)
  • Cable Accessories (AREA)
EP96937182A 1995-09-05 1996-09-05 Wärmegedämmtes verbundprofil Revoked EP0848781B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP99106735A EP0927808B1 (de) 1995-09-05 1996-09-05 Wärmegedämmtes Verbundprofil
DE29624629U DE29624629U1 (de) 1995-09-05 1996-09-05 Wärmegedämmtes Verbundprofil

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19532772 1995-09-05
DE19532772 1995-09-05
PCT/DE1996/001652 WO1997009504A1 (de) 1995-09-05 1996-09-05 Wärmegedämmtes verbundprofil

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP99106735.6 Division-Into 1999-04-03

Publications (2)

Publication Number Publication Date
EP0848781A1 EP0848781A1 (de) 1998-06-24
EP0848781B1 true EP0848781B1 (de) 1999-11-24

Family

ID=7771330

Family Applications (2)

Application Number Title Priority Date Filing Date
EP96937182A Revoked EP0848781B1 (de) 1995-09-05 1996-09-05 Wärmegedämmtes verbundprofil
EP99106735A Revoked EP0927808B1 (de) 1995-09-05 1996-09-05 Wärmegedämmtes Verbundprofil

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP99106735A Revoked EP0927808B1 (de) 1995-09-05 1996-09-05 Wärmegedämmtes Verbundprofil

Country Status (10)

Country Link
EP (2) EP0848781B1 (cs)
JP (1) JPH11512158A (cs)
AT (2) ATE186967T1 (cs)
CA (1) CA2231102A1 (cs)
CZ (1) CZ65998A3 (cs)
DE (2) DE59603733D1 (cs)
DK (1) DK0927808T3 (cs)
NO (1) NO309782B1 (cs)
PL (1) PL181284B1 (cs)
WO (1) WO1997009504A1 (cs)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19835439A1 (de) * 1998-08-05 2000-02-17 Pitscheider Ingenieurbuero Dr Hohldämmleiste
DE10033388A1 (de) * 2000-07-08 2002-01-24 Wicona Bausysteme Gmbh Wärmegedämmtes Verbundprofil, insbesondere für Fenster, Türen, Fassaden und dergleichen
DE102005032176A1 (de) * 2005-07-09 2007-01-11 Hydro Building Systems Gmbh Wärmegedämmtes Verbundprofil
DE202007000004U1 (de) * 2007-02-27 2008-04-10 Henkenjohann, Johann Fensterprofil
GB2464558A (en) * 2008-10-25 2010-04-28 Bowater Building Products Ltd Window frame with thermal break
IE86524B1 (en) * 2009-07-15 2015-04-08 Architectural & Metal Systems Ltd Insulated frame member
DE102012010900B4 (de) 2012-06-01 2023-07-27 Technoform Bautec Holding Gmbh Verbundprofil für Fenster-, Türen oder Fassadenelemente und Isoliersteg für ein solches Verbundprofil
DE102013010336A1 (de) 2012-06-20 2013-12-24 Technoform Bautec Holding Gmbh Verfahren zur einfachen Herstellung von dünnwandigen Dämmleisten mit stützendem, wärmedämmendem Material
DE202013104081U1 (de) * 2013-09-09 2014-12-10 Promat Gmbh Pfosten für eine Schwenktür und Brandschutzverglasung mit einem solchen Pfosten
KR101455572B1 (ko) * 2014-04-02 2014-10-28 박종석 창호 프레임용 단열부재
CN105888451A (zh) * 2015-07-31 2016-08-24 苏州锟鹏肖氏建材有限公司 断桥铝合金和保温板复合窗框
US11976511B2 (en) * 2021-11-05 2024-05-07 Arconic Technologies Llc Thermal dampening devices for window systems

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH388594A (de) * 1960-11-07 1965-02-28 Rudolf Tschudin Hans Verbundprofil-Isolierrahmen
DE3202352C2 (de) * 1982-01-26 1987-04-09 W. Hartmann & Co (Gmbh & Co), 2000 Hamburg Verbundprofil für Fenstersprossen und daraus gebildetes Sprossenkreuz
DE4238750C2 (de) * 1992-11-17 1995-09-14 Wicona Bausysteme Gmbh Wärmegedämmtes Verbundprofil

Also Published As

Publication number Publication date
EP0927808B1 (de) 2003-02-19
DK0927808T3 (da) 2003-05-19
ATE232936T1 (de) 2003-03-15
ATE186967T1 (de) 1999-12-15
NO980935L (no) 1998-04-27
WO1997009504A1 (de) 1997-03-13
DE59610159D1 (de) 2003-03-27
EP0927808A2 (de) 1999-07-07
PL181284B1 (pl) 2001-07-31
DE59603733D1 (de) 1999-12-30
CA2231102A1 (en) 1997-03-13
NO980935D0 (no) 1998-03-04
CZ65998A3 (cs) 1998-07-15
NO309782B1 (no) 2001-03-26
PL325156A1 (en) 1998-07-06
EP0848781A1 (de) 1998-06-24
EP0927808A3 (de) 2001-04-11
JPH11512158A (ja) 1999-10-19

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