WO2002057582A1 - Frame members - Google Patents

Frame members Download PDF

Info

Publication number
WO2002057582A1
WO2002057582A1 PCT/GB2002/000120 GB0200120W WO02057582A1 WO 2002057582 A1 WO2002057582 A1 WO 2002057582A1 GB 0200120 W GB0200120 W GB 0200120W WO 02057582 A1 WO02057582 A1 WO 02057582A1
Authority
WO
WIPO (PCT)
Prior art keywords
web
frame member
chambers
matrix
section
Prior art date
Application number
PCT/GB2002/000120
Other languages
French (fr)
Inventor
Brian Paul Booth
Original Assignee
Sapa Building Systems Limited
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 Sapa Building Systems Limited filed Critical Sapa Building Systems Limited
Publication of WO2002057582A1 publication Critical patent/WO2002057582A1/en

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
    • E06B3/04—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
    • 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
    • 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
    • E06B2003/26325—Frames with special provision for insulation with arrangements reducing the heat transmission, other than an interruption in a metal section the convection or radiation in a hollow space being reduced, e.g. by subdividing the hollow space
    • E06B2003/2633—Frames with special provision for insulation with arrangements reducing the heat transmission, other than an interruption in a metal section the convection or radiation in a hollow space being reduced, e.g. by subdividing the hollow space the insulating strips between the metal sections having ribs extending into the hollow space
    • 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
    • E06B2003/26356—Honeycomb
    • 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
    • E06B2003/26359—Specific form characteristics making flush mounting with neighbouring metal section members possible

Definitions

  • This invention relates to insulating frame members and more particularly to thermally broken frame members for glazing applications such as windows, doors, conservatories and other structures.
  • glazing frames fabricated from extruded aluminium alloy glazing bars remain the preferred choice, having superior strength, stability, durability and other advantages compared with frames of pvc ⁇ plastics material.
  • window frames or door frames fabricated from aluminium bars are known in the art of window frames or door frames fabricated from aluminium bars.
  • the good thermal conductivity of aluminium may result in the cooling of the interior-facing surfaces of the frame resulting in heat loss and also condensation, if the interior atmosphere is sufficiently warm and humid.
  • thermoly broken' designs in which the ' inner and outer sections of an extruded frame member (which may be referred to herein as a ⁇ profile' ) are inter-connected by means of a rigid member of heat insulating material which substantially reduces heat conductivity between the inner and outer sections of the profile. It is an object of this invention to provide a thermally broken glazing frame or the like having improved thermal insulation for use in the construction of a glazed window, door or other article, of improved U value.
  • This invention consists in a frame member having an inner profile section and an outer profile section of thermally conducting material interconnected by an elongate web of thermally insulating material characterised in that the web is formed with a plurality of longitudinally extending thin walled chambers such that the web, in cross section, is formed by a matrix of rows and columns of the cross sections of the said chambers.
  • the chambers have cross section of polygon form of and, more preferably, the cross sectional form is such that the form of matrix consists in a tessellated array in which the chamber walls are all of uniform thickness.
  • An array of chambers each having the same hexagonal cross sectional form is particularly advantageous and provides a honeycomb' matrix.
  • Other single forms that tessellate exactly are equilateral triangles and rectangles although arrays of mixed forms will also tessellate exactly.
  • the web may have a thin outer skin, which forms the wall of a truncated array of chambers along the boundary of the web.
  • the lengths of the various conduction paths through the chamber walls between the inner and outer edges of the web will generally be greater, and potentially substantially greater, than the width of a corresponding solid web. Together with the relative thinness of the chamber walls the thermal conductivity of the web in accordance with this invention will result in substantially lower heat loss by conduction compared with the case a conventional web.
  • the chamber wall thickness should be a rather small fraction of the depth of the web, between the inner and outer ends thereof, and preferably be about 1% -5% of the overall web depth.
  • the frame member has a pair of spaced apart webs of the kind described.
  • the interior facing surfaces of such first and second spaced apart webs are each provided with a plurality of opposed fins, which reduced heat transfer by convection and radiation between the inner and outer frame members.
  • the window frame member shown generally as 2 has an inner aluminium alloy profile 4 and an outer aluminium alloy profile 6 which are connected together a pair of extruded spaced apart polyamide web members 8,10.
  • Each web which is 36 mm deep between the inner and outer edges, is formed with a plurality of longitudinally extending thin walled chambers 12 of hexagonal cross sectional form.
  • Each web, in cross section, is formed by a matrix of rows and columns of the hexagonal cross sectional forms of the chambers.
  • the illustrated array is tessellated, that is each hexagonal form is disposed as an element of a mosaic with uniform wall thickness (of 0.6 mm in the case illustrated) between each chamber.
  • Each web has a thin (0.6mm) outer skin 14 which forms the outer wall of an array of truncated chambers 15 of semi hexagon formed along the outer surface.
  • the opposed inner surface is formed with a plurality of pair of inwardly directed fins 16 which reduce heat transfer within the cavity formed between the webs 8,10 by radiation and convection between the inner and outer elements 4, 6.
  • the window assembly is completed in a standard way: the sealed unit 18 is retained in the glazing rebate 20 formed by rebate profile 22 an associated gasket 24 and the external glazing bead 26 which retains gasket 28 in contact with the outer marginal edge of sealed unit 18.
  • Conduction between the normally warmer interior section 4 towards the normally cooler exterior section 6 occurs through the walls of the hexagonal chambers 12 and 15. Not only is the conduction path length through the chamber walls greater than the 36mm depth of the web but the relative wall thinness also contributes substantially to a reduction in conductivity compared with a conventional web.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Wing Frames And Configurations (AREA)
  • Special Wing (AREA)

Abstract

A glazing (2) has inner and outer aluminium alloy sections (22), (6) interconnected by a pair of extruded polyamide thermally insulating webs (8), (10) each formed with a plurality of hollow chambers (12) of hexagonal cross section to form a honeycomb-like matrix. The inwardly facing facing surfaces of the webs are formed with fins (16) which reduce internal heat transfer.

Description

Insulating Frame Members
This invention relates to insulating frame members and more particularly to thermally broken frame members for glazing applications such as windows, doors, conservatories and other structures.
For certain applications, glazing frames fabricated from extruded aluminium alloy glazing bars remain the preferred choice, having superior strength, stability, durability and other advantages compared with frames of pvcϋ plastics material.
A recognised disadvantage of window frames or door frames fabricated from aluminium bars is that, in the event of low external temperatures occurring, the good thermal conductivity of aluminium may result in the cooling of the interior-facing surfaces of the frame resulting in heat loss and also condensation, if the interior atmosphere is sufficiently warm and humid.
Many proposals have been made to mitigate this problem by introducing so called ^thermally broken' designs in which the' inner and outer sections of an extruded frame member (which may be referred to herein as a λprofile' ) are inter-connected by means of a rigid member of heat insulating material which substantially reduces heat conductivity between the inner and outer sections of the profile. It is an object of this invention to provide a thermally broken glazing frame or the like having improved thermal insulation for use in the construction of a glazed window, door or other article, of improved U value.
This invention consists in a frame member having an inner profile section and an outer profile section of thermally conducting material interconnected by an elongate web of thermally insulating material characterised in that the web is formed with a plurality of longitudinally extending thin walled chambers such that the web, in cross section, is formed by a matrix of rows and columns of the cross sections of the said chambers.
Preferably, the chambers have cross section of polygon form of and, more preferably, the cross sectional form is such that the form of matrix consists in a tessellated array in which the chamber walls are all of uniform thickness. An array of chambers each having the same hexagonal cross sectional form is particularly advantageous and provides a honeycomb' matrix. Other single forms that tessellate exactly are equilateral triangles and rectangles although arrays of mixed forms will also tessellate exactly.
The web may have a thin outer skin, which forms the wall of a truncated array of chambers along the boundary of the web.
Except for conduction through any such thin outer skin, the lengths of the various conduction paths through the chamber walls between the inner and outer edges of the web will generally be greater, and potentially substantially greater, than the width of a corresponding solid web. Together with the relative thinness of the chamber walls the thermal conductivity of the web in accordance with this invention will result in substantially lower heat loss by conduction compared with the case a conventional web.
The chamber wall thickness should be a rather small fraction of the depth of the web, between the inner and outer ends thereof, and preferably be about 1% -5% of the overall web depth.
Preferably, the frame member has a pair of spaced apart webs of the kind described. Advantageously, the interior facing surfaces of such first and second spaced apart webs are each provided with a plurality of opposed fins, which reduced heat transfer by convection and radiation between the inner and outer frame members.
In order that the invention may be more clearly understood one embodiment will now be described with reference to the accompanying drawing which illustrates a cross section of a window frame member which is part of a standard 1200mm x 1200mm window assembly not shown, incorporating a 24mm sealed double glazing unit.
Referring to the drawing, the window frame member shown generally as 2 has an inner aluminium alloy profile 4 and an outer aluminium alloy profile 6 which are connected together a pair of extruded spaced apart polyamide web members 8,10. Each web, which is 36 mm deep between the inner and outer edges, is formed with a plurality of longitudinally extending thin walled chambers 12 of hexagonal cross sectional form. Each web, in cross section, is formed by a matrix of rows and columns of the hexagonal cross sectional forms of the chambers. The illustrated array is tessellated, that is each hexagonal form is disposed as an element of a mosaic with uniform wall thickness (of 0.6 mm in the case illustrated) between each chamber.
Each web has a thin (0.6mm) outer skin 14 which forms the outer wall of an array of truncated chambers 15 of semi hexagon formed along the outer surface. The opposed inner surface is formed with a plurality of pair of inwardly directed fins 16 which reduce heat transfer within the cavity formed between the webs 8,10 by radiation and convection between the inner and outer elements 4, 6.
The window assembly is completed in a standard way: the sealed unit 18 is retained in the glazing rebate 20 formed by rebate profile 22 an associated gasket 24 and the external glazing bead 26 which retains gasket 28 in contact with the outer marginal edge of sealed unit 18.
Conduction between the normally warmer interior section 4 towards the normally cooler exterior section 6 occurs through the walls of the hexagonal chambers 12 and 15. Not only is the conduction path length through the chamber walls greater than the 36mm depth of the web but the relative wall thinness also contributes substantially to a reduction in conductivity compared with a conventional web.
Overall, calculations have shown that the 1200mm x 1200mm window assembly incorporating a 24 mm sealed double glazing unit in an aluminium alloy frame provided with thermally insulating webs as described with reference to the accompanying drawing benefits from a 5% reduction in heat loss (an increase of 5% in U value) under industry- standard test conditions, (CEN) compared with an otherwise identical window assembly provided with a standard solid polyamide insulator of the same 36mm depth.

Claims

Claims
1. A frame member having alloy inner and outer sections interconnected by a web of thermally insulating material characterised in that the web is formed with a plurality of thin walled hollow chambers such that the web, in cross section, is formed by a matrix of rows and columns of the said chambers .
2. A frame member as claimed in Claim 1 in which the chambers of the web have cross section of polygon form.
3. A frame member as claimed in Claim 2 in which the matrix is in the form of a tessellated array in which the chamber walls are all of uniform thickness.
4. A frame member as claimed in Claim 3 in which the chambers each have the same hexagonal cross sectional form so as to provide provides a honeycomb matrix.
5. A frame member as claimed in any preceding Claim in which the web has a thin outer skin, which forms the wall of a truncated array of chambers along the boundary of the web.
6. A frame member as claimed in any preceding claim in which the chamber wall thickness is a small fraction of the depth of the web, between the inner and outer ends thereof.
7. A frame member as claimed in Claim 6 in which the thickness of the chamber wall is between a 1% and 5% of the overall web depth.
8. A frame member as claimed in any preceding Claim having a pair of spaced apart webs.
9. A frame member as claimed in Claim 8 in which the interior facing surfaces of such first and second spaced apart webs are each provided with a plurality of opposed fins, to reduced heat transfer between the inner and outer frame members.
10. A frame member as claimed in any preceding Claim in whch a web is formed as an extrusion of polyamide.
PCT/GB2002/000120 2001-01-16 2002-01-15 Frame members WO2002057582A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0101105A GB0101105D0 (en) 2001-01-16 2001-01-16 Improvements in or relating to frame members
GB0101105.5 2001-01-16

Publications (1)

Publication Number Publication Date
WO2002057582A1 true WO2002057582A1 (en) 2002-07-25

Family

ID=9906901

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2002/000120 WO2002057582A1 (en) 2001-01-16 2002-01-15 Frame members

Country Status (2)

Country Link
GB (2) GB0101105D0 (en)
WO (1) WO2002057582A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012009838A1 (en) 2012-05-16 2013-11-21 Technoform Bautec Holding Gmbh Insulating bridge with Folienisolierkörper
CN104632005A (en) * 2015-02-10 2015-05-20 辽宁忠大铝业有限公司 Aluminum-plastic aluminum plastic core profile
CN105715146A (en) * 2016-02-04 2016-06-29 天津市格瑞德曼建筑装饰工程有限公司 Heat-preservation and heat-insulation aluminum alloy window center post
KR102082740B1 (en) * 2019-10-21 2020-02-28 김용호 Honeycomb structure insulation for aluminum windows

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0117104D0 (en) * 2001-07-13 2001-09-05 Sapa Building Systems Ltd Window units
BE1019603A3 (en) 2008-10-16 2012-09-04 Renson Paul VENTILATION DEVICE.
EP2199518A1 (en) * 2008-12-11 2010-06-23 Alcoa Aluminium Deutschland, Inc. Heat insulated composite profile and method for its manufacture
CN105888451A (en) * 2015-07-31 2016-08-24 苏州锟鹏肖氏建材有限公司 Bridge-cutoff aluminum alloy and heat preservation plate composite window frame
CN106837067A (en) * 2017-03-03 2017-06-13 陈英 A kind of door and window system housing, in very general section bar
CN106677668B (en) * 2017-03-03 2019-12-06 陈英 Integrated screen-hidden anti-theft window system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2851578A1 (en) * 1978-03-03 1980-06-12 Uhl Geb Gmbh & Co Kg Composite thermally insulating profiled section - has air chamber in intermediate layer at right angles to profiled parts
DE4238750A1 (en) * 1992-11-17 1994-05-26 Wicona Bausysteme Gmbh Heat-insulated fitting for windows and doors - has metal sections with heat-blocking insulating web formed by two parts with thinner boundary walls and associated stabilising webs.
DE19843742A1 (en) * 1998-09-24 1999-09-30 Guenther Hermann Seuffert Profiled plastic section for window, door or blind frame

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2908950A1 (en) * 1979-03-07 1980-09-18 Schuermann & Co Heinz METHOD FOR PRODUCING A HEAT-INSULATED DOOR LEAF AND DOOR LEAF FRAME
DE3200844A1 (en) * 1982-01-14 1983-07-21 SCHÜCO Heinz Schürmann GmbH & Co, 4800 Bielefeld THERMAL INSULATING COMPOSITE PROFILE
EP0100991B1 (en) * 1982-08-05 1987-06-10 Otto Willert Compound profile

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2851578A1 (en) * 1978-03-03 1980-06-12 Uhl Geb Gmbh & Co Kg Composite thermally insulating profiled section - has air chamber in intermediate layer at right angles to profiled parts
DE4238750A1 (en) * 1992-11-17 1994-05-26 Wicona Bausysteme Gmbh Heat-insulated fitting for windows and doors - has metal sections with heat-blocking insulating web formed by two parts with thinner boundary walls and associated stabilising webs.
DE19843742A1 (en) * 1998-09-24 1999-09-30 Guenther Hermann Seuffert Profiled plastic section for window, door or blind frame

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012009838A1 (en) 2012-05-16 2013-11-21 Technoform Bautec Holding Gmbh Insulating bridge with Folienisolierkörper
WO2013170952A1 (en) 2012-05-16 2013-11-21 Technoform Bautec Holding Gmbh Insulating web with film insulating body
CN104632005A (en) * 2015-02-10 2015-05-20 辽宁忠大铝业有限公司 Aluminum-plastic aluminum plastic core profile
CN105715146A (en) * 2016-02-04 2016-06-29 天津市格瑞德曼建筑装饰工程有限公司 Heat-preservation and heat-insulation aluminum alloy window center post
KR102082740B1 (en) * 2019-10-21 2020-02-28 김용호 Honeycomb structure insulation for aluminum windows

Also Published As

Publication number Publication date
GB2371076A (en) 2002-07-17
GB0200901D0 (en) 2002-03-06
GB2371076B (en) 2003-10-29
GB0101105D0 (en) 2001-02-28

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