EP4575164A1 - Profilé creux de fenêtre ou de porte et joint d'angle le comprenant - Google Patents

Profilé creux de fenêtre ou de porte et joint d'angle le comprenant Download PDF

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Publication number
EP4575164A1
EP4575164A1 EP24222191.9A EP24222191A EP4575164A1 EP 4575164 A1 EP4575164 A1 EP 4575164A1 EP 24222191 A EP24222191 A EP 24222191A EP 4575164 A1 EP4575164 A1 EP 4575164A1
Authority
EP
European Patent Office
Prior art keywords
profile
window
hollow chamber
door
polyamide
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.)
Pending
Application number
EP24222191.9A
Other languages
German (de)
English (en)
Inventor
Ahmad Al-Sheyyab
Kai Behrend
Norbert Fink
Christian Frerichs
Ralf Sander
Stephan Sell
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.)
Rehau Industries SE and Co KG
Original Assignee
Rehau Industries SE 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
Priority claimed from DE102024107624.0A external-priority patent/DE102024107624A1/de
Application filed by Rehau Industries SE and Co KG filed Critical Rehau Industries SE and Co KG
Publication of EP4575164A1 publication Critical patent/EP4575164A1/fr
Pending 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
    • E06B3/06—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

Definitions

  • the invention relates to a window or door profile hollow chamber profile comprising (a) a core profile with a plastic matrix formed from a thermoplastic material and reinforcing fibers contained in the plastic matrix; and (b) a jacket profile at least partially enclosing the core profile and made of a thermoplastic material compatible with the plastic material of the core profile. Furthermore, the present invention relates to a corner joint obtained by welding at least partially mitered sections of a window or door profile hollow chamber profile.
  • window and door hollow chamber profiles for enclosing glass panes, the aim is to achieve the best possible thermal insulation of the resulting window or door.
  • corresponding window or door hollow chamber profiles made of unreinforced, thermoplastic material, for example, polyvinyl chloride (PVC), to incorporate a reinforcing profile, usually metallic, into at least one of the hollow chambers of the window or door hollow chamber profile.
  • PVC polyvinyl chloride
  • DE 82 82 221 U1 A profile strip consisting of a core profile made of polyvinyl chloride, which contains short glass fibers with a length of up to 12 mm in an amount of up to 50 wt.%, and a PVC sheath profile with high impact resistance encasing this core profile is known.
  • DE 82 82 221 U1 The profile strip described shows that such a profile strip can only be welded to a corresponding frame with low corner strength, especially with high fiber content. Furthermore, the moduli of elasticity achieved in this way are not sufficient for a completely steel-free construction of window and door elements of all sizes and for other requirements for window and door profile hollow chamber profiles with regard to wind load, weight load, and thermal load.
  • the present invention comes in, the object of which is to provide a window or door profile hollow chamber profile that at least partially overcomes the disadvantages of the prior art.
  • the window or door profile hollow chamber profile according to the invention should have high mechanical stability both in the longitudinal direction and perpendicular thereto.
  • the window or door profile hollow chamber profile according to the invention should be weldable with high corner strength to form a corresponding corner connection without additional effort, such as displacing the fiber reinforcements.
  • the present invention also lies in the provision of a corner connection obtained by welding at least partially mitered sections of such a window or door profile hollow chamber profile.
  • window or door profile hollow chamber profile having the features of claim 1 or by a corner connection having the features of claim 11.
  • Preferred embodiments of the window or door profile hollow chamber profile according to the invention and of the corner connection according to the invention are each described in the dependent claims.
  • a window or door profile hollow chamber profile with a fiber-reinforced core profile and a shell profile with good weldability and high corner strength of the resulting corner connection which can be achieved without additional effort during welding, is obtained when a polyamide material is used as the thermoplastic material of the core profile and the reinforcing fibers are short fibers with an average fiber length in the range of 0.1 mm to 12 mm, in particular short glass fibers with an average fiber length in the range of 0.1 mm to 12 mm.
  • a window or door profile hollow chamber profile has high mechanical stability both in the longitudinal direction and also perpendicular to it.
  • window or door profile hollow chamber profiles with a polyamide core profile can be easily welded together, even with a high proportion of such fibers, while maintaining sufficiently high corner strength.
  • the present invention provides a window or door profile hollow chamber profile comprising (a) a core profile with a plastic matrix formed from thermoplastic material and reinforcing fibers contained in the plastic matrix; and (b) a jacket profile at least partially encasing the core profile and made of a thermoplastic material compatible with the plastic material of the core profile, wherein the window or door profile hollow chamber profile is characterized according to the invention in that the thermoplastic material of the core profile is a polyamide material and the reinforcing fibers are short fibers with an average fiber length in the range of 0.1 mm to 12 mm. Furthermore, the present invention provides a corner connection obtained by welding at least partially mitered sections of a window or door profile hollow chamber profile according to the invention.
  • polyamide material means a polyamide to which the additives customary for the extrusion of window or door profile hollow chamber profiles, such as stabilizers, plasticizers, pigments, and the like, have been added.
  • weather-facing exterior wall as used herein describes that wall of the window or door profile hollow chamber profile according to the invention that faces the exterior of the building during intended use of the window or door profile hollow chamber profile according to the invention.
  • room-facing exterior wall (the side opposite the weather side) as used herein describes that wall of the window or door profile hollow chamber profile according to the invention that faces the room side of the window or door, which comprises the window or door profile hollow chamber profile according to the invention, during intended use of the window or door profile hollow chamber profile according to the invention.
  • corner strength refers to the corner strength according to DIN EN 514:2018-04 (compression bending test) and is determined according to the test specification described therein.
  • the reinforcing fibers are contained in the core profile in a proportion of 10 wt.% to 60 wt.%, based on the weight of the core profile.
  • the weight fraction of the reinforcing fibers in the core profile is within the range of 10 wt.% to 60 wt.%, based on the weight of the core profile, excellent elastic moduli are achieved according to DIN EN ISO 527-4: 2022-03.
  • the corner joints obtained by welding mitered sections of such window or door profile hollow chamber profiles according to the invention have sufficient corner strength.
  • the weight fraction of the reinforcing fibers in the core profile is within the range of 30 wt.% to 50 wt.%, particularly preferably within the range of 35 wt.% to 48 wt.%, in each case based on the weight of the core profile.
  • the average fiber length of the reinforcing fibers is in the range of 0.3 mm to 3.8 mm.
  • An average length of the reinforcing fibers in this range leads to high mechanical stability of a window or door profile hollow chamber profile according to the invention, both in the longitudinal direction and perpendicular to it.
  • an average fiber length in a range of 1.5 mm to 3.0 mm has proven particularly suitable.
  • the reinforcing fibers are preferably glass fibers or basalt fibers, although other fibers are not excluded by the invention.
  • Glass fibers impart high mechanical stability to the hollow chamber window or door profile according to the invention and are therefore particularly preferred.
  • Basalt fibers improve the thermal insulation properties of the hollow chamber window or door profile according to the invention.
  • the weather-side outer wall and/or the room-side outer wall are at least partially formed by the casing profile.
  • the visible surfaces of the building elements formed from the window or door profile hollow chamber profile according to the invention i.e. corresponding windows or doors, are formed from the casing profile, whereby the core profile, which may be rough on the surface due to the fibers it contains, is concealed from the outside by the casing profile.
  • the weather-side surface of the weather-side outer wall and/or the room-side surface of the room-side outer wall are formed from a preferably 0.3 mm to 1.5 mm thick layer of the casing profile.
  • the remaining wall thickness of the weather-side outer wall and/or the room-side outer wall can be formed by the core profile.
  • smooth visible surfaces of the components formed from the window or door profile hollow chamber profile according to the invention remain.
  • the structural elements formed by the hollow chamber profile of a window or door profile are obtained while maintaining very high stability of the resulting frame.
  • the cover layer formed by the casing profile preferably has a thickness in the range of approximately 0.4 mm to approximately 1.2 mm, in particular approximately 0.5 mm to approximately 0.9 mm, and particularly preferably approximately 0.6 mm.
  • the casing profile preferably does not comprise any reinforcing fibers.
  • polyamide of the core profile is selected from the group comprising polyamide 6 (PA 6), polyamide 6.6 (PA 6.6), polyamide 6.10 (PA 6.10), polyamide 4.6 (PA 4.6), polyamide 12 (PA 12), and blends of the aforementioned polyamides.
  • Polyamide 6 is particularly preferred due to its readily available properties.
  • thermoplastic material of the shell profile which is compatible with the plastic material of the core profile, is also preferably selected from the group comprising polyamide 6 (PA 6), polyamide 6.6 (PA 6.6), polyamide 6.10 (PA 6.10), polyamide 4.6 (PA 4.6), polyamide 12 (PA 12), and blends of the aforementioned polyamides with each other and with other polymers or copolymers, in particular acrylonitrile-butadiene-styrene terpolymers (ABS) and acrylonitrile-acrylate-styrene terpolymers (ASA), with blends of the polyamides with an acrylonitrile-acrylate-styrene terpolymer (ASA) being preferred due to their good weather resistance.
  • PLA 6 polyamide 6
  • PA 6.6 polyamide 6.10
  • PA 4.6 polyamide 4.6
  • PA 12 polyamide 12
  • ABS acrylonitrile-acrylate-styrene terpolymers
  • ABS acrylonitrile-acrylate-st
  • the polyamide of the core profile is also used as the thermoplastic material of the shell profile.
  • polyamide 6 is used as the polyamide of the core profile and a blend of polyamide 6 and an acrylonitrile-acrylate-styrene terpolymer is used as the thermoplastic material of the shell profile.
  • the window or door profile hollow chamber profile according to the invention has a modulus of elasticity according to DIN EN ISO 527-2: 2012-06 in the range from 4000 N/mm 2 to 22000 N/mm 2 in the longitudinal direction of the profile. According to the present invention, excellent moduli of elasticity are achieved in this range. In preferred embodiments, the modulus of elasticity according to DIN EN ISO 527-2: 2012-06 is in the range from 7000 N/mm 2 to 11000 N/mm 2 .
  • All plastic materials in the window or door profile hollow chamber profile according to the invention can also be used in the form of materials obtained through a recycling process.
  • a recycled polyamide is used in the core profile.
  • "fresh,” i.e., non-recycled, polymer material can also be used in the sheath profile.
  • the weather-facing exterior wall and/or the room-facing exterior wall can preferably be dark-colored and/or provided with a dark film, paint, or coating and/or co-extruded with a dark layer.
  • the present invention can also be applied to uncolored white hollow-chamber profiles, the problem of profile deformation at high temperatures is more pronounced with dark exterior walls.
  • the high mechanical stability of the hollow-chamber window or door profile according to the invention counteracts this.
  • the term "dark” means that the dark color absorbs more than 50%, preferably more than 60%, of the vertically incident sunlight, including the relevant IR range.
  • the window or door profile hollow chamber profile according to the invention can be produced in a manner known per se by coextrusion of the core profile and the shell profile.
  • the hollow chamber window or door profiles according to the invention are preferably used to manufacture a plastic window or a plastic door.
  • a window or door frame can be obtained by welding mitered pieces of a hollow chamber window or door profile according to the invention.
  • the window or door frame is intended for installation in an opening in the wall of a building or can be installed in the opening in the wall of a building.
  • the window or door profile hollow chamber profile according to the invention as well as individual parts thereof can also be produced line by line or layer by layer using a line-building or layer-building manufacturing process (e.g. 3D printing), but production by coextrusion is preferred.
  • a line-building or layer-building manufacturing process e.g. 3D printing
  • FIG. 1 An embodiment of the window or door profile hollow chamber profile 1 according to the invention is shown in a cross-sectional view using the example of a sash profile for a plastic window.
  • the window or door profile hollow chamber profile 1 according to the invention comprises a weather-side outer wall 2 and a room-side outer wall 3.
  • Two hollow chambers 4, 5 are adjacent to the weather-side outer wall 2, which are delimited by walls 6, 6', 6" designed as webs and the weather-side outer wall 2.
  • the hollow chamber profile 1 according to the invention comprises a main hollow chamber 7.
  • the surface element is stabilized by a glazing bead (not shown), which can be anchored in a glazing bead groove 11 of the hollow chamber profile 1 according to the invention.
  • a glazing bead (not shown), which can be anchored in a glazing bead groove 11 of the hollow chamber profile 1 according to the invention.
  • Fig. 1 The outer wall 12 of the hollow chamber profile 1 according to the invention arranged at the bottom is referred to as the fitting-side profile outer wall 12, while the side opposite the fitting side is referred to as the rebate side with a rebate-side profile outer wall 13.
  • the central region which comprises, for example, the walls 6, 6', 6", sections of the glazing bead groove 11, part of the fitting-side profile outer wall 12 and a stop 14 as well as the rebate-side profile outer wall 13, is formed by a core profile 20.
  • the weather-side outer wall 2, the room-side outer wall 3 and the remaining parts of the glazing bead groove 11, the fitting-side profile outer wall 12 and the stop 14 are formed by a jacket profile 40.
  • the core profile 30 is thus partially enveloped by the jacket profile 40.
  • the jacket profile 40 largely forms the outer side of the window or door profile hollow chamber profile 1 according to the invention, while the core profile is only exposed to the outside in the area of the rebate-side profile outer wall 13 and adjacent thereto.
  • the core profile 30 comprises a plastic matrix made of polyamide 6, to which additives customary for the extrusion of window or door profile hollow chamber profiles, such as stabilizers, plasticizers, pigments, and the like, are added.
  • additives customary for the extrusion of window or door profile hollow chamber profiles such as stabilizers, plasticizers, pigments, and the like.
  • short glass fibers with an average fiber length of 2.6 mm are embedded in the plastic matrix in a proportion of 48 wt.%, based on the weight of the core profile 30 as 100 wt.%.
  • the sheath profile 40 forms a blend of polyamide 6 with acrylonitrile-acrylate-styrene terpolymer (ASA). This blend is compatible with the core profile 30.
  • ASA acrylonitrile-acrylate-styrene terpolymer
  • ASA acrylonitrile-acrylate-styrene terpolymer
  • the window or door profile hollow chamber profile 1 according to the embodiment of the present invention shown in Fig. has very good weather resistance and has high mechanical stability both in the longitudinal direction (E-modulus according to DIN EN ISO 527 -4: 2022-03 from 3400 to 9400 N/mm2) and perpendicular to it.
  • the hollow chamber window or door profile 1 according to the invention was manufactured by coextruding the core profile 30 and the shell profile 40.
  • Polyamide 6 obtained through a recycling process was used for the core profile 30, while non-recycled polymer material was used for the shell profile 40.
  • the hollow chamber window or door profile 1 according to the invention can be easily welded using methods known to those skilled in the art to form a corner joint according to the invention, without requiring any additional measures beyond standard methods for welding plastic profiles.
  • appropriate sections of the hollow chamber window or door profile 1 according to the invention are cut to length, mitered, and welded together using a welding table to form a corner joint according to the invention.
  • the resulting corner joint according to the invention has high corner strength.
  • FIG. 2 A further embodiment of the window or door profile hollow chamber profile 1 according to the invention is shown. To avoid repetition, therefore, only differences to the Fig. 1 illustrated embodiment of the window or door profile hollow chamber profile 1 according to the invention. The embodiments of Fig. 1 also apply to the embodiment according to Fig. 2 accordingly. Identical elements are identified by identical reference numerals in the figures.
  • FIG. 2 A further embodiment of the window or door profile hollow chamber profile 1 according to the invention is also shown using the example of a sash profile for a plastic window in a cross-sectional view.
  • Fig. 2 The embodiment shown differs from the one Fig. 1 described embodiment with regard to the distribution of the core profile 30 and the shell profile 40 over the profile cross-section.
  • the core profile completely surrounds the inner walls and the rebate-side profile outer wall 13, as well as the weather-side outer wall 2 and the room-side outer wall 3 partially directed towards the profile inner side.
  • the core profile 30 is surrounded by an approximately 0.7 mm thick cover layer of the jacket profile 40.
  • the core profile 30 again comprises a plastic matrix made of polyamide 6, to which additives customary for the extrusion of window or door profile hollow chamber profiles, such as stabilizers, plasticizers, pigments, and the like, are added.
  • additives customary for the extrusion of window or door profile hollow chamber profiles such as stabilizers, plasticizers, pigments, and the like.
  • short glass fibers with an average fiber length of 2.8 mm are embedded in the plastic matrix in a proportion of 45 wt.%, based on the weight of the core profile 30 as 100 wt.%.
  • the sheath profile 40 forms a blend of polyamide 6 with acrylonitrile-acrylate-styrene copolymer (ASA), which is compatible with the core profile 30.
  • ASA acrylonitrile-acrylate-styrene copolymer
  • the resulting window or door profile hollow chamber profile 1 according to the embodiment of the present invention shown in Fig. has very good weather resistance and has high mechanical stability both in the longitudinal direction (E-modulus according to DIN EN ISO 527-2: 2012-06 of 10,600 N/mm2) and perpendicular to it.
  • the window or door profile hollow chamber profile 1 according to the invention was produced by coextruding the core profile 30 and the shell profile 40. Also according to the Fig. 2 In the embodiment shown, polyamide 6 obtained through a recycling process was for the core profile 30, while non-recycled polymer material was used for the sheath profile 40.
  • the window or door profile hollow chamber profile 1 according to the invention shown can be used to produce a corner joint according to the invention using welding methods known to those skilled in the art, without requiring additional measures beyond standard methods for welding plastic profiles.
  • appropriate sections are cut from the window or door profile hollow chamber profile 1 according to the invention, mitered, and welded together using a welding table to form a corner joint according to the invention.
  • the resulting corner joint according to the invention again has a high corner strength.
  • the present invention has been described by way of example with reference to hollow chamber profiles for the sash of a window. It is understood that the present invention is also applicable to other window or door profile hollow chamber profiles, in particular window frame profiles, as well as to door frame, casing, or sash profiles.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Wing Frames And Configurations (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
EP24222191.9A 2023-12-22 2024-12-20 Profilé creux de fenêtre ou de porte et joint d'angle le comprenant Pending EP4575164A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102023136435 2023-12-22
DE102024107624.0A DE102024107624A1 (de) 2023-12-22 2024-03-18 Fenster- oder Türhohlkammerprofils sowie dieses umfassende Eck- verbindung

Publications (1)

Publication Number Publication Date
EP4575164A1 true EP4575164A1 (fr) 2025-06-25

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Application Number Title Priority Date Filing Date
EP24222191.9A Pending EP4575164A1 (fr) 2023-12-22 2024-12-20 Profilé creux de fenêtre ou de porte et joint d'angle le comprenant

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US (1) US20250207456A1 (fr)
EP (1) EP4575164A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021122153A1 (de) * 2021-08-26 2023-03-02 REHAU Industries SE & Co. KG Verfahren zur Herstellung eines polymeren, insbesondere thermoplastischen Fenster- oder Tür-Hohlkammerprofils

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1113143A2 (fr) * 1999-12-27 2001-07-04 Raico Bautechnik GmbH Encadrement de fenêtre ou de porte
DE20302286U1 (de) 2003-02-12 2003-04-24 Funck, Ralph, Dr., 67661 Kaiserslautern Fensterrahmen mit kontinuierlich faserverstärkten Thermoplasten
DE102012107560A1 (de) * 2012-08-17 2014-02-20 Rehau Ag + Co Integrierter Fensterflügel sowie Fenster, das einen derartigen Flügel umfasst
EP2191090B1 (fr) * 2007-08-17 2014-12-24 Rehau AG + Co Module d'encadrement pour fenêtre ou porte en plastique extrudé et en plastique coextrudé et renforcé par des fibres
DE102016119766A1 (de) * 2016-10-18 2018-04-19 Rehau Ag + Co Verfahren zur Herstellung eines thermoplastischen Fenster- oder Tür-Hohlkammerprofils
DE202018107339U1 (de) * 2018-12-20 2019-03-01 Rehau Ag + Co Rahmen-Baugruppe für eine Tür oder ein Fenster
DE102018129565A1 (de) * 2018-11-23 2020-05-28 Rehau Ag + Co Verfahren zur Herstellung eines Fenster- oder Tür-Hohlkammerprofiles
EP3721040B1 (fr) * 2017-12-06 2022-11-16 REHAU Industries SE & Co. KG Profilé creux, en particulier profilé de fenêtre ou de porte
EP3406838B1 (fr) * 2017-05-24 2023-06-07 Hydro Extruded Solutions As Profilé d'ouvrant d'une fenêtre, châssis comportant un tel profilé et procédé de montage associé

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1113143A2 (fr) * 1999-12-27 2001-07-04 Raico Bautechnik GmbH Encadrement de fenêtre ou de porte
DE20302286U1 (de) 2003-02-12 2003-04-24 Funck, Ralph, Dr., 67661 Kaiserslautern Fensterrahmen mit kontinuierlich faserverstärkten Thermoplasten
EP2191090B1 (fr) * 2007-08-17 2014-12-24 Rehau AG + Co Module d'encadrement pour fenêtre ou porte en plastique extrudé et en plastique coextrudé et renforcé par des fibres
DE102012107560A1 (de) * 2012-08-17 2014-02-20 Rehau Ag + Co Integrierter Fensterflügel sowie Fenster, das einen derartigen Flügel umfasst
DE102016119766A1 (de) * 2016-10-18 2018-04-19 Rehau Ag + Co Verfahren zur Herstellung eines thermoplastischen Fenster- oder Tür-Hohlkammerprofils
EP3406838B1 (fr) * 2017-05-24 2023-06-07 Hydro Extruded Solutions As Profilé d'ouvrant d'une fenêtre, châssis comportant un tel profilé et procédé de montage associé
EP3721040B1 (fr) * 2017-12-06 2022-11-16 REHAU Industries SE & Co. KG Profilé creux, en particulier profilé de fenêtre ou de porte
DE102018129565A1 (de) * 2018-11-23 2020-05-28 Rehau Ag + Co Verfahren zur Herstellung eines Fenster- oder Tür-Hohlkammerprofiles
DE202018107339U1 (de) * 2018-12-20 2019-03-01 Rehau Ag + Co Rahmen-Baugruppe für eine Tür oder ein Fenster

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