EP1333145A2 - Eckverbinder für Verstärkungsmetallhohlprofile in Kunststoffhohlprofilen und ihre Montagevorrichtung - Google Patents

Eckverbinder für Verstärkungsmetallhohlprofile in Kunststoffhohlprofilen und ihre Montagevorrichtung Download PDF

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Publication number
EP1333145A2
EP1333145A2 EP02425721A EP02425721A EP1333145A2 EP 1333145 A2 EP1333145 A2 EP 1333145A2 EP 02425721 A EP02425721 A EP 02425721A EP 02425721 A EP02425721 A EP 02425721A EP 1333145 A2 EP1333145 A2 EP 1333145A2
Authority
EP
European Patent Office
Prior art keywords
section bars
square
tubular section
metallic
heads
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.)
Granted
Application number
EP02425721A
Other languages
English (en)
French (fr)
Other versions
EP1333145A3 (de
EP1333145B1 (de
Inventor
Domenico Monticelli
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.)
Lm Dei Flli Monticelli Srl
Original Assignee
Lm Dei Flli Monticelli Srl
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 Lm Dei Flli Monticelli Srl filed Critical Lm Dei Flli Monticelli Srl
Publication of EP1333145A2 publication Critical patent/EP1333145A2/de
Publication of EP1333145A3 publication Critical patent/EP1333145A3/de
Application granted granted Critical
Publication of EP1333145B1 publication Critical patent/EP1333145B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E06B3/96—Corner joints or edge joints for windows, doors, or the like frames or wings
    • E06B3/964—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces
    • E06B3/9645—Mitre joints
    • E06B3/9646—Mitre joints using two similar connecting pieces each connected with one or the frame members and drawn together at the joint
    • 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
    • E06B3/96—Corner joints or edge joints for windows, doors, or the like frames or wings
    • E06B3/9604—Welded or soldered joints
    • E06B3/9608—Mitre joints

Definitions

  • the present invention relates to the fabrication of plastic frames for windows and doors and in particular it concerns a square for the structural connection of metallic tubular section bars contained, for reinforcement purposes, inside plastic tubular section bars.
  • the prior art provides for the use of extruded tubular section bars made of polyvinylchloride (PVC) which: are cut to measure; butted at the ends with an oblique cut, appropriately inclined, and permanently joined to each other by means of a head-to-head weld executed with localised thermal softening of the section bars, with their compression in mutual abutment and with the cooling and solidification of the junction area.
  • PVC polyvinylchloride
  • the frames thus formed are then subjected to milling operations to remove the projecting parts of the beads due to the plastic sliding of the softened material and determined by the upsetting that results from the mutual compression of the section bars.
  • PVC section bars generally have fairly modest mechanical strength and rigidity, compared with the analogous characteristics of the metallic section bars employed to manufacture windows and doors. This can cause, under the different conditions of use of the frame, such distortions and expansions as to prevent the correct closure of the window or door and/or as to prevent the regular mobility of the mechanisms for operating the handles, the locks and the opening and closing devices with which the window or door is normally fitted.
  • Tubular section bars made of steel have considerably smaller length than the members (uprights and cross members) of the frames that house them. Their length cannot be such as to reach the welded area of the plastic section bars, or it would be impossible for the machines that weld the plastic profiles to operate correctly.
  • the welding machines use special welding blades which, by interposing themselves between the heads of the section bars to be connected, heat the their edges to be joined; and which then retract from the junction area to allow the section bar heads to be subsequently approached to each other and joined.
  • junction areas of the frames of the windows and doors thereby obtained, lacking internal reinforcement, continue to be structurally critical for the entire window or door. Their critical nature is further enhanced by the fact that the weld notoriously modifies the crystal structure of the plastic material making it more fragile and more susceptible than others to undergo a more rapid structural degradation when the window or door is in use and by the fact that the metallic tubular elements on the other hand provide no contribution to the reduction of the drawbacks caused by this phenomenon.
  • a known constructive technique provides for introducing connecting squares made of plastic material into the junction area of the section bars.
  • These squares essentially comprise a pair of distinct connecting elements, having a body that can be coupled in prismatic fashion with the inner cavity of the metallic section bars in such a way as to be able to translate longitudinally therein, and having heads, monolithic with the body, so shaped as to project from an end of the tubular body and to be coupled in frontal abutment with each other and in lateral abutment with the walls of the plastic section bars.
  • connection The strength of the connection is left, in this case as well, solely to the weld and this entails the persistence of all the drawbacks linked to the crystallisation, fragility and rapid deterioration phenomena that are typical of welded connections.
  • the connecting elements even when using connecting means whereby the bodies of the connecting elements of the square are made to expand inside the cavity of the metallic tubular section bars in such a way as to obtain a sort of their anchorage by interference, the connecting elements always maintain a more or less accentuated freedom to slide relative to the metallic tubular element.
  • the aim of the present invention is to overcome the aforementioned drawbacks by means of a metallic square that is able to connect the metallic tubular section bars in such a way as to allow to create after the weld of the plastic section bars and also inside their angular junction area, an uninterrupted metallic structure able to provide the window or door as a whole with the strength and rigidity required for its optimal functionality, independently from the strength and rigidity contribution offered by the external plastic section bars.
  • a square for the structural connection of tubular metallic section bars contained for reinforcement purposes inside plastic tubular section bars mutually welded head to head comprising a pair of distinct connecting elements, having a body that is able to coupled in prismatic fashion with an inner cavity of the metallic section bars in such a way as to be able to be translated longitudinally therein and having heads, monolithic with the body, so shaped as to be able to couple in mutual abutment in correspondence with a junction plane and in abutment with walls of the plastic section bars, characterised in that said connecting elements are made of metallic material and have projections and cavities that are counter shaped in complementary fashion obtained in their heads and able mutually to fit inside each other according to a sense of travel of a transverse direction to the junction plane of the section bars; connecting means, able to be activated through a wall opening of the plastic section bars and after the welding of the plastic section bars, being provided to oppose the disengagement of the projections and of the cavities in the other sense of said
  • the reference 1 globally indicates a square for the structural connection of metallic tubular section bars 2m, with quadrangular contour, contained for reinforcement purposes inside plastic tubular section bars 2p, preferably made of polyvinylchloride (PVC) and destined to be mutually welded head to head in forming angular connections of generic window or door frames.
  • PVC polyvinylchloride
  • the square 1 essentially comprises a pair of distinct connecting elements, indicated as 3, which are mutually connected by a screw 10 and which are then connected with the metallic section bars 2m and plastic section bars 2p of the window or door frame.
  • the connecting elements 3, wholly metallic, comprise in particular a monolithic body 4 and a head 5.
  • the body 4 has substantially quadrilateral contour and it is provided with a longitudinal groove 13 delimited by parallel bent edges 15, projecting from a lateral wall of the body 4.
  • edges 15 are opposed to equidistant undulated faces whose curvilinear development is generated by envelopment lines of circle arcs complementary to the contour of screws for anchoring the square 1 to the metallic section bars 2m and plastic section bars 2p, indicated as 16.
  • the body 4 is destined to be inserted in the internal cavity 7 of a corresponding metallic tubular section bar 2m and to be coupled in prismatic fashion therewith in such a way as to maintain the freedom to translate in guided fashion along a direction 17 substantially longitudinal to the section bar 2m that houses it.
  • the heads 5 have quadrilateral contour defined by four plane squares 19, mutually orthogonal and having different superficial extension.
  • the contour of the heads 5 has a greater extension than the corresponding contour of the body 4, so that when the body 4 is inserted in the cavity 7 of the metallic section bar 2m whereto it is destined, the heads 5 project totally outside the metallic section bar 2m.
  • the quadrilateral contour of the heads 5 is instead strictly complementary to the interior contour of the inner cavities 18 of the plastic section bars 2p.
  • the heads 5 can therefore be contained in said cavities 18 in centred conditions and with parallelism of their own peripheral faces 19 and of mutually opposite inner walls 20 of the plastic section bars 2p.
  • the heads 5 are able to be coupled in abutment with the walls 20 of the plastic section bars 2 with the possibility to translate, longitudinally to the section bars 2p and in guided fashion along the walls 20, in the direction 17 of each of the section bars 2p constituting the members of the window or door.
  • the heads 5 also have inclined faces 21, which can be associated in contact and in mutual opposition and are able to define an interposed junction plane 8 of the connecting elements 3 of the square 1; junction plane 8 that is preferably oriented according to the bisecting line of the angle of connection of two contiguous members of the window or door.
  • the inclined faces 21 are also traversed by holes 11 [visible for instance in figure 6] having their axis substantially orthogonal to the junction plane 8.
  • Figures 2, 3, 4, 5A and 5B also show that the heads 5 are provided with projections 6 and cavities 7 counter-shaped in complementary fashion and alternatively positioned on the faces 21.
  • the projections 6 and the cavities 7, which preferably have pyramid frustum shape, are such as to mutually fit into each other in orderly fashion when the heads 5 are approached to the junction plane 8, i.e. when the heads 5 are moved towards each other in accordance with one of the senses of travel of a direction 9 transverse to the junction plane 8 of the section bars 2m; 2p, direction 9 which practically coincides with the axis of the screw 10.
  • Figure 6 also shows that one of the heads 5 is provided, in correspondence with its inclined inner face 22, with a blade 12 that protrudes from said head 5 and projects towards the hole 11 in such a way as to intercept the trajectory of translation of the screw 10 when the screw, associated with the heads 5, reaches a first, well determined, condition of tightening with the heads 5.
  • the transition towards a condition of further tightening is enabled by the bending of the blade 12 or also by its shearing by the head 5.
  • Figures 9, 10, 11 and 12 show a different embodiment of the square 1 in which the bodies 4 of the connecting elements 3 lack the indented seat 13 and are instead provided with push-buttons 14 [also visible in figure 13] housed in a seat 23 of the body 4 and contrasted by a spring 24 that constantly thrusts them towards the exterior of the body 4.
  • the connecting elements 3 of the square 1 are inserted, independently from each other, with their body 4 in the cavity 7 of the respective metallic section bars 2m and with the heads 5 projecting from said cavity 7 towards the junction plane 8.
  • the screw 10 is then introduced, through a wall opening 26, obtained in the plastic section bars 2p, in the holes 11 of the two heads 5.
  • the insertion of the screw 10 brings the heads 5 to be positioned automatically at the same distance from the junction plane 5, whatever their primitive position along the direction 17.
  • the connecting screw 10 of the heads 5 is fully tightened against the resistance offered by the blade 12, which, behaving as a discriminator means between two different conditions of tightening of the screw 10, yields under the thrust of the screw 10 bending permanently or even detaching itself from the head 5.
  • the full tightening of the screw 10, i.e. of the connecting means it embodies, leads to exerting on the metallic tubular section bars 2m opposing traction forces, bilateral to the junction plane, which mutually concur in the junction plane 8, i.e. in the vertex of the window or door frame.
  • the square 1 enables not only the realisation, inside the junction area of the plastic section bars 2p, of the geometric conditions of perfect fit that assure the consequent geometric regularity of the window or door frame, but also the continuous structural connection of the various metallic tubular section bars 2m. This allows to recreate, inside the window or door, an actual strong metal frame that runs uninterruptedly along the entire contour of the window or door.
  • the metallic frame thus formed provides the plastic window or door with adequate mechanical rigidity and strength for the most severe operating stresses of the window or door.
  • the tensioning of the frame deriving from the full tightening of the screw 10 also allows considerably to reduce, if not totally to eliminate, the condition of internal stress on the head to head welds of the plastic tubular section bars 2p in correspondence with their permanent junction area whose material is more heavily tensioned. This allows ultimately to assure to the window or door the additional advantage of a longer duration of its working life.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Wing Frames And Configurations (AREA)
  • Laminated Bodies (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Reinforcement Elements For Buildings (AREA)
EP02425721A 2002-01-31 2002-11-25 Eckverbinder für Verstärkungsmetallhohlprofile in Kunststoffhohlprofilen und ihre Montageverfahren Expired - Lifetime EP1333145B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITRN20020004 2002-01-31
IT2002RN000004A ITRN20020004A1 (it) 2002-01-31 2002-01-31 Squadra per connessione strutturale, di profilati tubolari metallici contenuti per rinforzo internamente a profilati tubolari plastici e rel

Publications (3)

Publication Number Publication Date
EP1333145A2 true EP1333145A2 (de) 2003-08-06
EP1333145A3 EP1333145A3 (de) 2004-08-18
EP1333145B1 EP1333145B1 (de) 2008-10-29

Family

ID=11456720

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02425721A Expired - Lifetime EP1333145B1 (de) 2002-01-31 2002-11-25 Eckverbinder für Verstärkungsmetallhohlprofile in Kunststoffhohlprofilen und ihre Montageverfahren

Country Status (4)

Country Link
EP (1) EP1333145B1 (de)
AT (1) ATE412814T1 (de)
DE (1) DE60229616D1 (de)
IT (1) ITRN20020004A1 (de)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005019588A1 (de) 2003-08-18 2005-03-03 Forster Rohr- & Profiltechnik Ag Eckverbindung und verfahren zum herstellen einer solchen eckverbindung
NL1027104C2 (nl) * 2004-09-24 2006-03-27 Vitalu Beheer B V Werkwijze voor het onder een hoek onderling verbinden van holle kozijndelen.
DE102010062751A1 (de) * 2010-12-09 2012-06-14 Greiner Tool.Tec Gmbh Eckverbindungsvorrichtung für Profile
CN103850597A (zh) * 2012-12-06 2014-06-11 家居安全组有限公司 角部固定系统和方法
CN103953267A (zh) * 2014-04-22 2014-07-30 山东华信塑胶股份有限公司 一种塑钢窗框直角螺接连接结构及其安装方法
DE102014116642A1 (de) * 2014-11-13 2016-05-19 Veka Ag Verfahren zur In-Situ-Fertigung eines Eckverbinderelements in auf Gehrung geschnittenen Fenster- und Türprofilen und Eckverbinder-Fromelement dafür
CN106382083A (zh) * 2016-11-29 2017-02-08 平湖信达电子塑业有限公司 一种转角铝材端盖
GB2512911B (en) * 2013-04-11 2018-11-14 Hl Plastics Ltd Improvements in or relating to bi-fold door assemblies
US10151138B2 (en) * 2015-06-04 2018-12-11 Jean Bourly Window frame and/or opening frame
EP3511509A1 (de) * 2018-01-12 2019-07-17 Weber Glas en Kunststof B.V. Verbindungskonstruktion mit schweissfrei verbundenen hohlkammerprofilen auf polymer-basis
GB2571912A (en) * 2018-02-06 2019-09-18 Thomas Investment Holdings Ltd Connecting method
CN111119691A (zh) * 2020-01-19 2020-05-08 中山市荣新五金塑料制品厂有限公司 一种窗框的连接结构
DE102020121302A1 (de) 2020-08-13 2022-02-17 Heroal - Johann Henkenjohann Gmbh & Co. Kg Vorrichtung zur Beschattung über Eck verlaufender Fenster- oder Türöffnungen

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107060595A (zh) * 2017-05-04 2017-08-18 四川良木道门窗型材有限公司 一种无缝整焊窗
DE102020108412A1 (de) * 2020-03-26 2021-09-30 Aluplast Gmbh Extrudiertes Fenster- oder Tür-Hohlkammerprofil, System mit einem solchen Hohlkammerprofil und daraus hergestellter Rahmen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2112112A1 (de) * 1971-03-13 1972-09-21 Heinz Pasche Vorrichtung zur Eckverbindung von Rahmen mit als Hohlprofil ausgefuehrten Rahmenelementen
LU64936A1 (de) * 1971-04-01 1972-07-07
DE8513805U1 (de) * 1985-05-09 1988-03-31 Thyssen Plastik Anger KG, 8000 München Eckverbinder
EP1172511A1 (de) * 2000-07-10 2002-01-16 L.M. dei F.lli Monticelli S.r.l. Verbindungselement für Hohlprofile und Verfahren zum montieren

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005019588A1 (de) 2003-08-18 2005-03-03 Forster Rohr- & Profiltechnik Ag Eckverbindung und verfahren zum herstellen einer solchen eckverbindung
NL1027104C2 (nl) * 2004-09-24 2006-03-27 Vitalu Beheer B V Werkwijze voor het onder een hoek onderling verbinden van holle kozijndelen.
EP1640549A1 (de) * 2004-09-24 2006-03-29 Vitalu Beheer B.V. Verfahren zueinander Verbinden von Hohlprofilen zu einem Winkel
DE102010062751A1 (de) * 2010-12-09 2012-06-14 Greiner Tool.Tec Gmbh Eckverbindungsvorrichtung für Profile
CN103850597B (zh) * 2012-12-06 2017-10-03 时代家居安全有限公司 角部固定系统和方法
CN103850597A (zh) * 2012-12-06 2014-06-11 家居安全组有限公司 角部固定系统和方法
GB2511163A (en) * 2012-12-06 2014-08-27 Grouphomesafe Ltd Corner fixing system and method
GB2511163B (en) * 2012-12-06 2015-07-29 Grouphomesafe Ltd Corner clamping system and method
GB2512911B (en) * 2013-04-11 2018-11-14 Hl Plastics Ltd Improvements in or relating to bi-fold door assemblies
CN103953267A (zh) * 2014-04-22 2014-07-30 山东华信塑胶股份有限公司 一种塑钢窗框直角螺接连接结构及其安装方法
DE102014116642A1 (de) * 2014-11-13 2016-05-19 Veka Ag Verfahren zur In-Situ-Fertigung eines Eckverbinderelements in auf Gehrung geschnittenen Fenster- und Türprofilen und Eckverbinder-Fromelement dafür
US10151138B2 (en) * 2015-06-04 2018-12-11 Jean Bourly Window frame and/or opening frame
CN106382083A (zh) * 2016-11-29 2017-02-08 平湖信达电子塑业有限公司 一种转角铝材端盖
EP3511509A1 (de) * 2018-01-12 2019-07-17 Weber Glas en Kunststof B.V. Verbindungskonstruktion mit schweissfrei verbundenen hohlkammerprofilen auf polymer-basis
NL2020272B1 (en) * 2018-01-12 2019-07-18 Weber Glas En Kunststof B V Connection construction comprising weld-free connected polymer-based hollow chamber profiles and method for fabricating the same
GB2571912A (en) * 2018-02-06 2019-09-18 Thomas Investment Holdings Ltd Connecting method
GB2571912B (en) * 2018-02-06 2022-05-11 Thomas Investment Holdings Ltd A method of connecting hollow members
CN111119691A (zh) * 2020-01-19 2020-05-08 中山市荣新五金塑料制品厂有限公司 一种窗框的连接结构
DE102020121302A1 (de) 2020-08-13 2022-02-17 Heroal - Johann Henkenjohann Gmbh & Co. Kg Vorrichtung zur Beschattung über Eck verlaufender Fenster- oder Türöffnungen
EP3957815A1 (de) * 2020-08-13 2022-02-23 heroal- Johann Henkenjohann GmbH & Co. KG Vorrichtung zur beschattung über eck verlaufender fenster- oder türöffnungen
EP4382719A3 (de) * 2020-08-13 2024-09-04 heroal- Johann Henkenjohann GmbH & Co. KG Vorrichtung zur beschattung über eck verlaufender fenster- oder türöffnungen

Also Published As

Publication number Publication date
EP1333145A3 (de) 2004-08-18
ATE412814T1 (de) 2008-11-15
ITRN20020004A0 (it) 2002-01-31
EP1333145B1 (de) 2008-10-29
DE60229616D1 (de) 2008-12-11
ITRN20020004A1 (it) 2003-07-31

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