WO2012104439A1 - Reinforcing assembly - Google Patents

Reinforcing assembly Download PDF

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Publication number
WO2012104439A1
WO2012104439A1 PCT/EP2012/051985 EP2012051985W WO2012104439A1 WO 2012104439 A1 WO2012104439 A1 WO 2012104439A1 EP 2012051985 W EP2012051985 W EP 2012051985W WO 2012104439 A1 WO2012104439 A1 WO 2012104439A1
Authority
WO
WIPO (PCT)
Prior art keywords
biasing element
void
component
assembly according
structural
Prior art date
Application number
PCT/EP2012/051985
Other languages
French (fr)
Inventor
Robert Friedrich HOELLRIGL
Original Assignee
Bowater Building Products 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 Bowater Building Products Limited filed Critical Bowater Building Products Limited
Publication of WO2012104439A1 publication Critical patent/WO2012104439A1/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
    • E06B3/06—Single frames
    • E06B3/08—Constructions depending on the use of specified materials
    • E06B3/20—Constructions depending on the use of specified materials of plastics
    • E06B3/22—Hollow frames
    • E06B3/221—Hollow frames with the frame member having local reinforcements in some parts of its cross-section or with a filled cavity
    • E06B3/222—Hollow frames with the frame member having local reinforcements in some parts of its cross-section or with a filled cavity with internal prefabricated reinforcing section members inserted after manufacturing of the hollow 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
    • E06B3/06—Single frames
    • E06B3/08—Constructions depending on the use of specified materials
    • E06B3/20—Constructions depending on the use of specified materials of plastics
    • E06B3/22—Hollow frames
    • E06B3/221—Hollow frames with the frame member having local reinforcements in some parts of its cross-section or with a filled cavity
    • E06B3/222—Hollow frames with the frame member having local reinforcements in some parts of its cross-section or with a filled cavity with internal prefabricated reinforcing section members inserted after manufacturing of the hollow frame
    • E06B2003/225—Means for stabilising the insert

Definitions

  • This invention relates to a reinforcing assembly, in particular to a reinforcing assembly for a window sash.
  • the sash is constructed from a number (typically four) sash components that are coupled together to form the sash, and reinforcing assemblies embodying the teachings of the invention may be provided within a void formed within one or more of those sash components.
  • windows and indeed glazed doors
  • sash components are typically configured to define a plurality of internal voids that function to reduce heat transfer from one side of the sash to the other, and in some examples one or more of those voids may be filled with a thermal insulator to further reduce heat transfer from one side of the component to the other.
  • the rebar 1 comprises a generally U-shaped metal bar that is pushed into a void 3 of the sash component 5 to stabilise that component.
  • the metal of the bar acts as conduit for thermal energy and hence negates the thermal advantages provided by the void within the frame component, thereby reducing the U-value of the frame component as a whole.
  • FIG. 2 is a schematic perspective view of this arrangement installed in a frame component 5, showing a plastic rectangular plate 7 that couples - at either long side - to a respective metallic reinforcing plate 9.
  • the rebar of this previously proposed arrangement is generally H-shaped in cross-section.
  • the arrangement depicted in Fig. 2 improves upon the thermal properties of the arrangement shown in Fig. 1 as the plastic plate 7 inhibits thermal energy from travelling from one metal reinforcing plate 9 across the void to the other plate, and hence helps to reduce the U-value of the frame component as a whole.
  • a presently preferred embodiment of the present invention provides a reinforcing assembly for insertion into a void of a window or door component, the reinforcing assembly comprising at least one structural component insertable into a void within a window or door component to improve the structural rigidity of that component, and a biasing element having a lower thermal conductivity than said structural component, said biasing element being insertable into the void to urge said structural component against an internal wall of said void and thereby restrain said structural element from moving within the component.
  • the reinforcing assembly can more easily be installed in a frame component than previously proposed rebars of the type depicted in Figs. 1 and 2.
  • biasing element functions to reduce the transfer of thermal energy across the void in the frame component, thereby helping to reduce the U-value of the frame as a whole.
  • the reinforcing assembly comprises a pair of structural components each insertable into a void within a window or door component, and a biasing element insertable into the void between said structural components to urge the structural components against respective internal walls of said void.
  • said structural component is formed of a stiff, high strength material - for example of a metal.
  • said structural component is generally u-shaped in cross-section.
  • the biasing element is formed from a material having a low thermal conductivity, for example of a plastics material.
  • the biasing element is generally wedge-shaped in plan view.
  • the biasing element may have a first end and a second end, said first end being narrower than said second end.
  • the biasing element may comprise a main body and at least one resilient tab extending from an end of said biasing element main body.
  • the biasing element may comprise a pair of resilient tabs extending from opposite sides of said main body. Preferably the resilient tabs extend from the same end of said main body.
  • the biasing element may include a locating formation that cooperates with a complementary formation in said void to locate the biasing element in said void.
  • that biasing element locating formation may comprise a groove and said void formation may comprise a rib.
  • a biasing element for use with the reinforcing assembly described herein, the biasing element comprising a main body and at least one resilient tab extending from an end of said biasing element main body.
  • Fig. 1 is a perspective cross-sectional view of a previously proposed arrangement
  • Fig. 2 is a perspective cross-sectional view of another previously proposed arrangement
  • Fig. 3 is a transverse cross-sectional view of a first component of the reinforcing assembly
  • Fig. 4 is a schematic perspective view of a second component of the reinforcing assembly
  • Fig. 5 is a schematic perspective view of an assembly process
  • Fig. 6 is a schematic perspective view, in section, of a reinforcing assembly installed in a frame component.
  • Fig 3 is a schematic view, in lateral cross-section, of a structural component 1 1 of the reinforcing assembly and Fig. 4 is a perspective view of a biasing element 13 of the reinforcing assembly.
  • the structural component 1 1 is formed from a stiff, high strength material that functions to improve the structural rigidity and strength of a frame component into which the component 1 1 is inserted.
  • the structural component 1 1 is formed from a metal, such as steel.
  • the structural component 1 1 may comprise a flat generally rectangular plate, or in a preferred embodiment may be generally U-shaped in cross-section (as shown in Fig. 3).
  • the U-shaped component depicted in Fig. 3 may be formed by bending a flat plate, or by any other means (for example, by extrusion).
  • the biasing element 13 depicted in Fig. 4 comprises a main body 15 and a pair of tabs 17, 19 that extend from either side of one end of the main body 15 and are configured so that the free ends of each said tab can flex resiliently towards the main body 15.
  • the biasing element 13 is formed of a material, such as a plastics material, that has a thermal conductivity lower than that of the structural component 1 1 .
  • the biasing element may also be formed, in a preferred arrangement, to have a groove 21 that locates on a rib 23 (Fig. 6) formed in a void 25 of a frame component 27 into which the biasing element 13 is to be installed to locate the biasing element within the frame component.
  • the biasing element is narrower at the end of the main body 15 from which the tabs 17, 19 extend, than at the other end of the biasing element so that the biasing element is generally wedge-shaped in plan view. This arrangement facilitates insertion of the biasing element into a void within a frame component of a window sash.
  • the reinforcing assembly comprises a pair of structural components 1 1 (for example as depicted in Fig. 3) and a biasing element 13.
  • the structural components are each slid into a void 25 of the frame component 27, whereupon the narrower end of the biasing element is pushed into the void between the structural components 1 1 .
  • the tabs resiliently flex towards the main body 15 until the biasing element is wholly within the void.
  • the resilient tabs function to bias the structural components against internal walls of the frame component that form the void, and hence stop the structural components from rattling within the void as a sash that includes the frame component is opened and closed.
  • a single biasing element may be provided, but in a preferred arrangement a pair of biasing elements are provided - one inserted into one end of the void and the other inserted into the other end of the void. Further biasing elements may be inserted if desired.
  • a pair of structural elements are provided and the biasing element bears on each of those elements.
  • the biasing element may be configured to bear on this element and on an internal wall of the void.
  • the biasing element could include a pair of tabs, it will be appreciated that the biasing element could comprise only a single tab, and that that tab could bear on a structural component or on an internal wall of the frame element. It will also be appreciated that the biasing element could instead have no tabs and instead be generally wedge-shaped (in plan view) so that as the biasing element is inserted further into the void of the frame component the force biasing the structural component against the frame component increases.
  • references to aluminium and extruded aluminium include aluminium alloys and extruded aluminium alloys, and that whilst the accompanying claims set out particular combinations of features described herein, the scope of the present invention is not limited to the particular combinations hereafter claimed, but instead extends to encompass any combination of features herein disclosed.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Wing Frames And Configurations (AREA)

Abstract

A reinforcing assembly for insertion into a void (25) of a window or door component (27), the reinforcing assembly comprising at least one structural component (11) insertable into a void (25) within a window or door component (27) to improve the structural rigidity of that component (27), and a biasing element (13) having a lower thermal conductivity than said structural component (11), said biasing element (13) being insertable into the void (25) to urge said structural component (11) against an internal wall of said void (25) and thereby restrain said structural element (11) from moving within the component (27).

Description

REINFORCING ASSEMBLY
Field
This invention relates to a reinforcing assembly, in particular to a reinforcing assembly for a window sash. In one envisaged implementation, the sash is constructed from a number (typically four) sash components that are coupled together to form the sash, and reinforcing assemblies embodying the teachings of the invention may be provided within a void formed within one or more of those sash components. Background
It is conventional for windows (and indeed glazed doors) to be formed from a plurality of extruded sash components that are then coupled together to form the sash of the window. Such sash components are typically configured to define a plurality of internal voids that function to reduce heat transfer from one side of the sash to the other, and in some examples one or more of those voids may be filled with a thermal insulator to further reduce heat transfer from one side of the component to the other.
It has previously been proposed to provide a reinforcing bar (conventionally known as a "rebar") that is inserted into one of the voids within a sash component to enhance the structural rigidity of the component and the sash as a whole. In one illustrative example depicted in Fig. 1 of the accompanying drawings, the rebar 1 comprises a generally U-shaped metal bar that is pushed into a void 3 of the sash component 5 to stabilise that component.
Whilst this arrangement functions adequately as a means for strengthening the sash, the metal of the bar acts as conduit for thermal energy and hence negates the thermal advantages provided by the void within the frame component, thereby reducing the U-value of the frame component as a whole.
To address this issue it has previously been proposed, in our previous patent application GB2467649 (the entire contents of which are incorporated herein by reference), to thermally break the rebar. Fig. 2 is a schematic perspective view of this arrangement installed in a frame component 5, showing a plastic rectangular plate 7 that couples - at either long side - to a respective metallic reinforcing plate 9. Once assembled, the rebar of this previously proposed arrangement is generally H-shaped in cross-section.
As will be appreciated, the arrangement depicted in Fig. 2 improves upon the thermal properties of the arrangement shown in Fig. 1 as the plastic plate 7 inhibits thermal energy from travelling from one metal reinforcing plate 9 across the void to the other plate, and hence helps to reduce the U-value of the frame component as a whole.
Whilst this arrangement is an improvement on the arrangement depicted in Fig. 1 , it has become apparent that this rebar is relatively difficult to manufacture and to install. In particular, it is inconvenient to have to couple the metal plates to the plastic plate (for example by crimping the metal plates around each long edge of the plastic plate). In addition, because the extrusion process used to manufacture the frame components can lead to variations in the size of the internal voids, it can often be difficult to insert the H-shaped rebar into the void in the frame.
The present invention has been devised with the foregoing problems in mind.
Summary
To address these problems, a presently preferred embodiment of the present invention provides a reinforcing assembly for insertion into a void of a window or door component, the reinforcing assembly comprising at least one structural component insertable into a void within a window or door component to improve the structural rigidity of that component, and a biasing element having a lower thermal conductivity than said structural component, said biasing element being insertable into the void to urge said structural component against an internal wall of said void and thereby restrain said structural element from moving within the component.
One advantage of this arrangement is that the reinforcing assembly can more easily be installed in a frame component than previously proposed rebars of the type depicted in Figs. 1 and 2. Another advantage of this arrangement is that biasing element functions to reduce the transfer of thermal energy across the void in the frame component, thereby helping to reduce the U-value of the frame as a whole.
In a preferred embodiment, the reinforcing assembly comprises a pair of structural components each insertable into a void within a window or door component, and a biasing element insertable into the void between said structural components to urge the structural components against respective internal walls of said void.
In a preferred arrangement, said structural component is formed of a stiff, high strength material - for example of a metal. Preferably said structural component is generally u-shaped in cross-section.
In a preferred arrangement, the biasing element is formed from a material having a low thermal conductivity, for example of a plastics material.
In a preferred arrangement, the biasing element is generally wedge-shaped in plan view. For example, the biasing element may have a first end and a second end, said first end being narrower than said second end. The biasing element may comprise a main body and at least one resilient tab extending from an end of said biasing element main body. In a particularly preferred arrangement, the biasing element may comprise a pair of resilient tabs extending from opposite sides of said main body. Preferably the resilient tabs extend from the same end of said main body.
In one envisaged arrangement, the biasing element may include a locating formation that cooperates with a complementary formation in said void to locate the biasing element in said void. For example, that biasing element locating formation may comprise a groove and said void formation may comprise a rib.
In another aspect of the invention, there is provided a biasing element for use with the reinforcing assembly described herein, the biasing element comprising a main body and at least one resilient tab extending from an end of said biasing element main body.
Other features, aspects and advantages of the teachings of the present invention will be apparent from the following detailed description of preferred arrangements.
Brief Description of the Drawings
Various aspects of the teachings of the present invention, and arrangements embodying those teachings, will hereafter be described by way of illustrative example with reference to the accompanying drawings, in which:
Fig. 1 is a perspective cross-sectional view of a previously proposed arrangement;
Fig. 2 is a perspective cross-sectional view of another previously proposed arrangement;
Fig. 3 is a transverse cross-sectional view of a first component of the reinforcing assembly;
Fig. 4 is a schematic perspective view of a second component of the reinforcing assembly;
Fig. 5 is a schematic perspective view of an assembly process; and
Fig. 6 is a schematic perspective view, in section, of a reinforcing assembly installed in a frame component.
Detailed Description
A preferred embodiment of the present invention will now be described with particular reference to reinforcing assemblies that are installed in frame components that can be assembled to form a sash for a window. It will be appreciated, however, that this application is merely illustrative and that the reinforcing assembly could, for example, be installed in a door, for example in a rail or stile of a door sash. As a consequence, the following detailed description should not be interpreted as limiting the scope of the present invention to reinforcing assemblies for use with window components.
With the above proviso in mind, reference will now be made to Figs. 3 and 4 of the drawings. Fig 3 is a schematic view, in lateral cross-section, of a structural component 1 1 of the reinforcing assembly and Fig. 4 is a perspective view of a biasing element 13 of the reinforcing assembly.
The structural component 1 1 is formed from a stiff, high strength material that functions to improve the structural rigidity and strength of a frame component into which the component 1 1 is inserted. In a preferred embodiment, the structural component 1 1 is formed from a metal, such as steel.
The structural component 1 1 may comprise a flat generally rectangular plate, or in a preferred embodiment may be generally U-shaped in cross-section (as shown in Fig. 3). The U-shaped component depicted in Fig. 3 may be formed by bending a flat plate, or by any other means (for example, by extrusion).
The biasing element 13 depicted in Fig. 4 comprises a main body 15 and a pair of tabs 17, 19 that extend from either side of one end of the main body 15 and are configured so that the free ends of each said tab can flex resiliently towards the main body 15. In a preferred arrangement the biasing element 13 is formed of a material, such as a plastics material, that has a thermal conductivity lower than that of the structural component 1 1 .
The biasing element may also be formed, in a preferred arrangement, to have a groove 21 that locates on a rib 23 (Fig. 6) formed in a void 25 of a frame component 27 into which the biasing element 13 is to be installed to locate the biasing element within the frame component.
In a preferred implementation the biasing element is narrower at the end of the main body 15 from which the tabs 17, 19 extend, than at the other end of the biasing element so that the biasing element is generally wedge-shaped in plan view. This arrangement facilitates insertion of the biasing element into a void within a frame component of a window sash.
As shown in Fig. 5, in a preferred implementation the reinforcing assembly comprises a pair of structural components 1 1 (for example as depicted in Fig. 3) and a biasing element 13. The structural components are each slid into a void 25 of the frame component 27, whereupon the narrower end of the biasing element is pushed into the void between the structural components 1 1 . As the biasing element 13 is pushed into the void, the tabs resiliently flex towards the main body 15 until the biasing element is wholly within the void. Once inserted, the resilient tabs function to bias the structural components against internal walls of the frame component that form the void, and hence stop the structural components from rattling within the void as a sash that includes the frame component is opened and closed.
In one implementation a single biasing element may be provided, but in a preferred arrangement a pair of biasing elements are provided - one inserted into one end of the void and the other inserted into the other end of the void. Further biasing elements may be inserted if desired.
In the preferred implementation depicted in Figs. 5 and 6, a pair of structural elements are provided and the biasing element bears on each of those elements. In another envisaged arrangement one a single structural element may be provided, and the biasing element may be configured to bear on this element and on an internal wall of the void.
It will be appreciated that whilst various aspects and embodiments of the present invention have heretofore been described, the scope of the present invention is not limited to the particular arrangements set out herein and instead extends to encompass all arrangements, and modifications and alterations thereto, which fall within the scope of the appended claims.
For example, whilst it is preferred for the biasing element to include a pair of tabs, it will be appreciated that the biasing element could comprise only a single tab, and that that tab could bear on a structural component or on an internal wall of the frame element. It will also be appreciated that the biasing element could instead have no tabs and instead be generally wedge-shaped (in plan view) so that as the biasing element is inserted further into the void of the frame component the force biasing the structural component against the frame component increases.
It should also be noted that references to aluminium and extruded aluminium include aluminium alloys and extruded aluminium alloys, and that whilst the accompanying claims set out particular combinations of features described herein, the scope of the present invention is not limited to the particular combinations hereafter claimed, but instead extends to encompass any combination of features herein disclosed.

Claims

1 . A reinforcing assembly for insertion into a void of a window or door component, the reinforcing assembly comprising
at least one structural component insertable into a void within a window or door component to improve the structural rigidity of that component, and
a biasing element having a lower thermal conductivity than said structural component, said biasing element being insertable into the void to urge said structural component against an internal wall of said void and thereby restrain said structural element from moving within the component.
2. An assembly according to Claim 1 , comprising a pair of structural components each insertable into a void within a window or door component, and a biasing element insertable into the void between said structural components to urge the structural components against respective internal walls of said void.
3. An assembly according to Claim 1 or 2, wherein said structural component is formed of a stiff, high strength material.
4. An assembly according to Claim 3, wherein said structural component is of metal.
5. An assembly according to any preceding claim, wherein said structural component is generally u-shaped in cross-section.
6. An assembly according to any preceding claim, wherein said biasing element is formed from a material having a low thermal conductivity.
7. An assembly according to Claim 6, wherein said biasing element is of a plastics material.
8. An assembly according to any preceding claim, wherein said biasing element is generally wedge-shaped in plan view.
9. An assembly according to Claim 8, wherein said biasing element has a first end and a second end, said first end being narrower than said second end.
10. An assembly according to any preceding claim, wherein said biasing element comprises a main body and at least one resilient tab extending from an end of said biasing element main body.
1 1 . An assembly according to Claim 10, wherein said biasing element comprises a pair of resilient tabs extending from opposite sides of said main body.
12. An assembly according to Claim 1 1 , wherein said resilient tabs extend from the same end of said main body.
13. An assembly according to any preceding claim, wherein said biasing element includes a locating formation that cooperates with a complementary formation in said void to locate the biasing element in said void.
14. An assembly according to Claim 13, wherein said biasing element locating formation comprises a groove and said void formation comprises a rib.
15. A biasing element for use with the reinforcing assembly of any preceding claim, the biasing element comprising a main body and at least one resilient tab extending from an end of said biasing element main body.
16. An assembly substantially as hereinbefore described with reference to the accompanying drawings.
PCT/EP2012/051985 2011-02-04 2012-02-06 Reinforcing assembly WO2012104439A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1101985.8 2011-02-04
GB1101985.8A GB2487784A (en) 2011-02-04 2011-02-04 Reinforcing assembly for a window or door frame

Publications (1)

Publication Number Publication Date
WO2012104439A1 true WO2012104439A1 (en) 2012-08-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/051985 WO2012104439A1 (en) 2011-02-04 2012-02-06 Reinforcing assembly

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WO (1) WO2012104439A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2543794B (en) * 2015-10-28 2017-12-27 Specialist Building Products Ltd Plastic extrusion having a reinforcement member and method of reinforcing

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998021435A1 (en) * 1996-11-09 1998-05-22 Metsec Plc Frame structures
GB2337071A (en) * 1998-05-07 1999-11-10 Metsec Plc Reinforcement retaining tag
DE19835836A1 (en) * 1998-08-07 2000-02-10 Fickenscher & Soehne Gmbh & Co Reinforcement for plastic profiles used as building components consists of two steel inserts thermally separated by a plastic insert
DE20001889U1 (en) * 2000-02-03 2000-03-30 Grasmäher, Bernd, 35305 Grünberg Hollow plastic profile for window or door frames
DE10033389A1 (en) * 2000-07-08 2002-01-17 Illerplastic Kunststoffprofile Reinforcing element with thermal decoupling, for insertion into a hollow plastic profile, comprises a thermally insulating main member with at least two attached profile strips which do not touch one another
GB2467649A (en) 2009-02-06 2010-08-11 Bowater Building Products Ltd Window with replaceable beading

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3306335A1 (en) * 1983-02-23 1984-08-23 Karlstadter Fenster- und Elementebau GmbH & Co KG, 8782 Karlstadt PLASTIC HOLLOW PROFILE AND FRAME REINFORCED BY A METAL PROFILE
DE29610652U1 (en) * 1996-06-18 1997-07-17 H. Hüttenbrauck Gmbh u. Co. Profil- Walz- und Presswerk, 58730 Fröndenberg Reinforcement profile for hollow plastic profiles for the production of windows, doors or the like.
DE29910966U1 (en) * 1999-06-23 1999-09-23 Oskar Sachs Kunststoffbauelemente GmbH & Co., 84364 Bad Birnbach Reinforced iron with thermal break

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998021435A1 (en) * 1996-11-09 1998-05-22 Metsec Plc Frame structures
GB2337071A (en) * 1998-05-07 1999-11-10 Metsec Plc Reinforcement retaining tag
DE19835836A1 (en) * 1998-08-07 2000-02-10 Fickenscher & Soehne Gmbh & Co Reinforcement for plastic profiles used as building components consists of two steel inserts thermally separated by a plastic insert
DE20001889U1 (en) * 2000-02-03 2000-03-30 Grasmäher, Bernd, 35305 Grünberg Hollow plastic profile for window or door frames
DE10033389A1 (en) * 2000-07-08 2002-01-17 Illerplastic Kunststoffprofile Reinforcing element with thermal decoupling, for insertion into a hollow plastic profile, comprises a thermally insulating main member with at least two attached profile strips which do not touch one another
GB2467649A (en) 2009-02-06 2010-08-11 Bowater Building Products Ltd Window with replaceable beading

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Publication number Publication date
GB2487784A (en) 2012-08-08
GB201101985D0 (en) 2011-03-23

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