EP3199739B1 - Assembly comprising two mitred profiles and clamp sections connecting them - Google Patents

Assembly comprising two mitred profiles and clamp sections connecting them Download PDF

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Publication number
EP3199739B1
EP3199739B1 EP17000120.0A EP17000120A EP3199739B1 EP 3199739 B1 EP3199739 B1 EP 3199739B1 EP 17000120 A EP17000120 A EP 17000120A EP 3199739 B1 EP3199739 B1 EP 3199739B1
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European Patent Office
Prior art keywords
profile
clamping part
profiles
plane
angular
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EP17000120.0A
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German (de)
French (fr)
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EP3199739A1 (en
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Walter Degelsegger
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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
    • E06B3/968—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces characterised by the way the connecting pieces are fixed in or on the frame members
    • E06B3/9687—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces characterised by the way the connecting pieces are fixed in or on the frame members with screws blocking the connecting piece inside or on the frame member
    • E06B3/9688—Mitre joints
    • 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
    • E06B3/968—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces characterised by the way the connecting pieces are fixed in or on the frame members
    • E06B3/9684—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces characterised by the way the connecting pieces are fixed in or on the frame members by hooking protrusions on the connecting piece in openings of the frame member, e.g. by snap-locking
    • E06B3/9685—Mitre joints
    • 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
    • E06B3/968—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces characterised by the way the connecting pieces are fixed in or on the frame members
    • E06B3/976—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces characterised by the way the connecting pieces are fixed in or on the frame members by deformation of the frame 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
    • E06B3/96—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
    • E06B3/968—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces characterised by the way the connecting pieces are fixed in or on the frame members
    • E06B3/98—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces characterised by the way the connecting pieces are fixed in or on the frame members the connecting pieces being specially adapted for drawing the frame members towards each other
    • E06B3/982—Mitre joints

Definitions

  • the invention relates to an assembly which has two mitred profiles abutting profiles and these connecting clamping parts.
  • BE 1018055 A3 and CN 104153690 A each show an assembly which has two miter-fitting profiles and connecting these clamping members, wherein each an angular clamping member cooperates with two simple clamping parts.
  • one leg of the angular clamping part together with a simple clamping part forms a pair of wedges in which the simple clamping part is driven along the contact surface of the two wedges at a very acute angle relative to the said leg, whereby the wedge pair between two surfaces of the profile to be clamped is jammed.
  • the AT 515184 B1 discloses an assembly having the features of the preamble of claim 1.
  • This document shows a frame profile, for example, a door leaf or door frame, which has a rabbet surface open profile cavity, which is bounded by two side surfaces, wherein from each of the two side surfaces of a profile wall in the direction the respective other side surface to redesignspringt and wherein on these projecting profile walls designated as Stulpblech clamping part and another clamping part are fixed, which bridge the distance between the projecting profile walls, and are pulled together by one or more screws with the interposition of the projecting profile walls.
  • Stulpblech clamping part and another clamping part are fixed, which bridge the distance between the projecting profile walls, and are pulled together by one or more screws with the interposition of the projecting profile walls.
  • a fitting of the door is mounted on the designated as a cuff plate clamping part. According to the Fig.
  • cuff plate be designed as a two-legged angle, which extends around the miter joint of two frame profiles around, each with a leg along each a frame profile.
  • each of the two legs is connected to a simple clamping part with the interposition of profile walls of the respective frame profile, whereby the corner joint between the two frame profiles is fixed.
  • very advantageous variant of the intended contact surface of the clamping member is designed to be toothed with the respective frame profile, so that it is pressed something in the manufacture of the compound under plastic deformation of the frame profile.
  • the inventor has made the task, the hand of the AT 515184 B1 described miter connection between two profiles, in which profile walls between two clamping parts which are pulled together, are clamped, and wherein a clamping part is formed as an angle extending at the joint area of the two profiles along both profiles, to improve to the extent that a rich concern to each other the two profiles on the miter surface can be made easier, better maintained and possibly also easier to restore.
  • the relative movement between two clamping parts which arises during the production of the connection by tightening these clamping parts for the purpose of clamping a profile wall of a profile, is aligned normal to the profile direction of the profile, and is possible because a toothed contact surface of the clamping parts in penetrates the material of the profile to translate using an inclined plane in a relative movement of the profile on that plane, which divides the angle between the two legs of the formed as an angle clamping part symmetrically.
  • Fig. 1 and Fig. 2 consists of two profiles 1 2, an angular clamping part 3, two "simple” clamping parts 4, 5 and two screws 6, 7.
  • the two profiles 1, 2 have the same cross-sectional shape; they are aligned at right angles to each other and lie together forming a miter.
  • the angle-shaped clamping part 3 has two orthogonal aligned, each approximately rectangular legs 8, 9. In that plane of symmetry 10, which symmetrically divides the angle between the planes of the two legs 8, 9, the two profiles 1, 2 abut each other with their mitered faces.
  • Each leg 8, 9 is pierced by a countersunk through hole, which is aligned in each case normal to the plane of the leg 8, 9 and through which a respective screw 6, 7 extends.
  • the profiles 1, 2 comprise in cross-sectional view in each case a cavity on three sides; the fourth, open side of the cavity is normal to the plane defined by the profiles 1, 2 plane and that on the outside of the corner formed by the profiles 1, 2. From two the profile in the profile 1, 2 laterally bounding profile surfaces each jumps a profile wall 11 in the direction of the other side surface to show.
  • the two profiles 1, 2 are brought into the desired relative position together (miter against each other) and then the respective two profile walls 11 of a profile 1, 2 between one leg 8, 9 of the angular clamping part 3 on the one hand and a simple clamping part 4, 5 on the other hand clamped.
  • the screw 6, 7, which passes through the through hole on the legs 8, 9 passes through, and with a nut thread in the center of the surface of the simple clamping part 4, 5 in threaded engagement tightened.
  • the two contact areas of a simple clamping part 4, 5 with the profile 1, 2 are each designed as a toothing 12, so along the direction of the profile 1, 2 tooth tips and tooth valleys alternate and when pressing the simple clamping part 4, 5 to the profile 1, the second According tightening the screw 6, 7, the tooth tips penetrate into the material of the profile 1, 2 and this partially deform plastically.
  • the left and right tooth flanks of the toothing 12 alternately one behind the other in the direction of the profile 1, 2 are not mirror-symmetrical to each other, but that the tooth flanks 13 facing the plane of symmetry rise in a ramp-like manner and face away from the plane of symmetry lying tooth flanks 14 from the tooth valleys from perpendicular or even better overhanging rise. Furthermore, it is important that the ramp-like rise of the tooth flanks 13 is inclined to the facing away from the plane of symmetry 10 (!) End side of that profile 1, 2 out, in the material of which the tips of the teeth penetrate during assembly.
  • Fig. 2 As in Fig. 2 can be seen, are the leg 8 of the angular clamping part 3 and the simple clamping part 4 of projections 15, 16 to a direction of the profile 1 normally aligned plane to each other, so that the clamping member 4 is held against the angular clamping part 3 of the surface 10 to be moved away.
  • the previously described Relative movement between the clamping part 4, 5 and the profile 1, 2 when tightening the screw 6, 7 causes so that the two profiles 1, 2 respectively to that plane of symmetry 10, which symmetrically the angle between the planes of the two legs 8, 9 Shares, be moved until they sit there full and pressure on each other.
  • the purpose of the invention is achieved.
  • the movement of the clamping members 3 and 4 or 3 and 5 to each other could for example also be done by the connecting screw, if this has large diameter, is strictly guided in the screw through hole and the distance between the two clamping parts to be connected is kept very small.
  • Fig. 3 is the angle-shaped clamping member 17 on the inner sides of the profile walls 11 and the toothed simple clamping parts 18 on the outer sides.
  • Inside means “at the inside of the right angle enclosed by the profiles”;
  • outside means “at the side of the raised angle between the two profiles”).
  • the two simple clamping parts 18 are so guided, that they are only normal to the plane of that leg of the angular clamping member 17 are movable, with which they clamp together the respective profile wall 11, the said profile wall is always something on the plane of symmetry 10 to move when the simple clamping member 18th on the associated leg of the angular clamping part 17 is moved.
  • the plane of symmetry of the teeth 10 facing the teeth rise ramp-like from the tooth valleys to the tooth tips, wherein the ramp-like slope is inclined to the side facing away from the plane of symmetry 10 end of that profile 1, 2, in whose material - on the profile wall 11 - penetrate the tips of the teeth during assembly.
  • Fig. 4 The construction according to Fig. 4 is different from that of Fig. 3 in that not only the simple clamping part 18 but also the angular clamping part 19 has a toothing acting according to the invention with different left and right tooth flanks as described.
  • Fig. 5 shows a construction in which the simple clamping parts 20 are equipped with a toothing with symmetrically constructed teeth so that they drive by penetrating into the profile wall 11 alone, no relative movement between the profile wall 11 and clamping member 20 in the longitudinal direction of the profile.
  • the clamping members 20 abut one leg of the angular clamping member 21 on an inclined plane 22, which is inclined relative to the profile direction of the profile to be fixed, that on her movement normal to the profile direction of the simple clamping member 20 on the associated leg of the angular clamping part 21, with movement in the profile direction on the plane of symmetry 10 to, goes along.
  • Fig. 6 shows the principle of Fig. 5 with the difference that the angular clamping part 23 is located on the inside of the profile walls 11.
  • the stationary frame of the building opening (ie the door frame or the window stock) may be formed by profiles 1, 2 connected according to the invention, the opening area of the profiles 1, 2 to the rebate surface, so the door leaf or window sash in the closed state out, is aligned.
  • the sheet-like element - ie the door leaf or the window sash a frame consisting of inventively constructed and connected profiles 1, 2, wherein the opening surface of the profiles 1, 2 is aligned with closed building opening to the rebate surface, ie to the stationary frame out.
  • the described clamping parts can meet on the joining of profiles 1, 2 also in the manner of Stulpblechen, carrying function for fittings.

Description

Die Erfindung betrifft eine Baugruppe, welche zwei auf Gehrung aneinander anliegende Profile und diese verbindende Klemmteile aufweist.The invention relates to an assembly which has two mitred profiles abutting profiles and these connecting clamping parts.

Die Schriften EP 2479373 A2 , BE 1018055 A3 und CN 104153690 A zeigen jeweils eine Baugruppe, welche zwei auf Gehrung aneinander anliegende Profile und diese verbindende Klemmteile aufweist, wobei jeweils ein winkelförmiger Klemmteil mit zwei einfachen Klemmteilen zusammenwirkt. Jeweils ein Schenkel des winkelförmigen Klemmteils bildet gemeinsam mit jeweils einem einfachen Klemmteil ein Keilpaar, bei dem der einfache Klemmteil entlang der Berührungsfläche der beiden Keile in einem sehr spitzen Winkel gegenüber dem besagten Schenkel angetrieben verschiebbar ist, wodurch das Keilpaar zwischen zwei Flächen des zu klemmenden Profils verklemmt wird. Indem die Verschiebung des einfachen Klemmteils auf die Symmetrieebene der Gehrung zwischen den beiden Profilen hin ausgerichtet ist, wird auch das durch diesen Klemmteil geklemmte Profil etwas zu dieser Symmetriefläche hin verschoben, womit erreichbar ist, dass die beiden Profile an der gemeinsamen Gehrungsfläche satt aneinander anliegen.The writings EP 2479373 A2 . BE 1018055 A3 and CN 104153690 A each show an assembly which has two miter-fitting profiles and connecting these clamping members, wherein each an angular clamping member cooperates with two simple clamping parts. In each case one leg of the angular clamping part together with a simple clamping part forms a pair of wedges in which the simple clamping part is driven along the contact surface of the two wedges at a very acute angle relative to the said leg, whereby the wedge pair between two surfaces of the profile to be clamped is jammed. By the displacement of the simple clamping member is aligned with the plane of symmetry of the miter between the two profiles out, the clamped by this clamping member profile is slightly shifted to this symmetry surface, which is achievable that the two profiles fit against each other on the common miter area.

Die AT 515184 B1 offenbart eine Baugruppe mit den Merkmalen des Oberbegriffs des Anspruchs 1. Dieses Dokument zeigt ein Rahmenprofil beispielsweise eines Türblattes oder Türstockes, welches einen zur Falzfläche hin offene Profilhohlraum aufweist, welcher durch zwei Seitenflächen begrenzt wird, wobei aus jeder der beiden Seitenflächen eine Profilwand in Richtung auf die jeweils andere Seitenfläche zu hervorspringt und wobei an diesen vorspringenden Profilwänden ein als Stulpblech bezeichneter Klemmteil und ein weiterer Klemmteil befestigt sind, welche den Abstand zwischen den vorspringenden Profilwänden überbrücken, und durch eine oder mehrere Schrauben unter Zwischenlage der vorspringenden Profilwände aneinander gezogen sind. In den meisten Fällen ist an dem als Stulpblech bezeichneten Klemmteil ein Beschlag der Tür montiert. Gemäß der Fig. 5 der AT 515184 B1 und der zugehörigen Beschreibung kann das Stulpblech aber auch als zweischenkeliger Winkel ausgebildet sein, welcher sich um den Gehrungsstoß zweier Rahmenprofile herum, mit jeweils einem Schenkel entlang jeweils einem Rahmenprofil erstreckt. Dabei wird jeder der beiden Schenkel mit jeweils einem einfachen Klemmteil unter Zwischenlage von Profilwänden des jeweiligen Rahmenprofils verbunden, womit die Eckverbindung zwischen den beiden Rahmenprofilen fixiert wird. Gemäß einer bezüglich Festigkeit und Dauerhaftigkeit der Verbindung sehr vorteilhaften Variante ist die bestimmungsgemäße Berührungsfläche des Klemmteils mit dem jeweiligen Rahmenprofil verzahnt ausgeführt, sodass sie beim Herstellen der Verbindung unter plastischer Verformung des Rahmenprofils etwas in dieses hineingedrückt wird. Nachteilig ist, dass bei der Montage die beiden Rahmenprofile durch eine Zusatzvorrichtung stark aneinandergepresst werden müssen, damit sie an der Gehrungsfläche wirklich satt aneinander anliegen. Auch wenn die Montage gelingt, bildet sich dennoch im Lauf der Zeit oftmals an der Gehrungsfläche ein Spalt zwischen den beiden Rahmenprofilen; um diesen Spalt wieder zu schließen sind aufwändige Reparaturarbeiten nötig.The AT 515184 B1 discloses an assembly having the features of the preamble of claim 1. This document shows a frame profile, for example, a door leaf or door frame, which has a rabbet surface open profile cavity, which is bounded by two side surfaces, wherein from each of the two side surfaces of a profile wall in the direction the respective other side surface to hervorspringt and wherein on these projecting profile walls designated as Stulpblech clamping part and another clamping part are fixed, which bridge the distance between the projecting profile walls, and are pulled together by one or more screws with the interposition of the projecting profile walls. In most cases, a fitting of the door is mounted on the designated as a cuff plate clamping part. According to the Fig. 5 of the AT 515184 B1 and the associated description can But cuff plate be designed as a two-legged angle, which extends around the miter joint of two frame profiles around, each with a leg along each a frame profile. In this case, each of the two legs is connected to a simple clamping part with the interposition of profile walls of the respective frame profile, whereby the corner joint between the two frame profiles is fixed. According to one with respect to strength and durability of the connection very advantageous variant of the intended contact surface of the clamping member is designed to be toothed with the respective frame profile, so that it is pressed something in the manufacture of the compound under plastic deformation of the frame profile. The disadvantage is that during assembly, the two frame profiles must be strongly pressed together by an additional device, so that they really fit snugly against each other on the miter. Even if the assembly succeeds, however, a gap between the two frame profiles often forms over time at the miter surface; To close this gap again elaborate repairs are needed.

Von diesem Stand der Technik ausgehend hat sich der Erfinder die Aufgabe gestellt, die an Hand der AT 515184 B1 beschriebene Gehrungsverbindung zwischen zwei Profilen, bei welcher Profilwände zwischen zwei Klemmteilen die aneinander gezogen werden, eingeklemmt werden, und wobei ein Klemmteil als Winkel ausgebildet ist, der sich am Stoßbereich der beiden Profile entlang beider Profile erstreckt, dahingehend zu verbessern, dass ein sattes aneinander Anliegen der beiden Profile an der Gehrungsfläche leichter hergestellt werden kann, besser aufrecht erhalten bleibt und ggf. auch leichter wiederherzustellen ist.Based on this state of the art, the inventor has made the task, the hand of the AT 515184 B1 described miter connection between two profiles, in which profile walls between two clamping parts which are pulled together, are clamped, and wherein a clamping part is formed as an angle extending at the joint area of the two profiles along both profiles, to improve to the extent that a rich concern to each other the two profiles on the miter surface can be made easier, better maintained and possibly also easier to restore.

Für das Lösen der Aufgabe wird von der besprochen Bauweise übernommen, dass Profilwände der beiden zu verbindenden Profile zwischen zwei Klemmteilen, die durch eine Schraube aneinander gezogen werden, eingeklemmt werden, wobei zumindest ein Klemmteil als Winkel mit zwei Schenkeln ausgebildet ist, welcher sich um den Gehrungsstoß der beiden Profile herum mit jeweils einem Schenkel entlang jeweils eines Profils erstreckt. Weiters wird übernommen, dass an jedem Rahmenprofil die Berührungsfläche eines daran anliegenden Klemmteils verzahnt ausgebildet ist, sodass sie beim Herstellen der Verbindung unter plastischer Verformung des Rahmenprofils etwas in dieses hineingedrückt wird.For solving the problem is taken from the discussed construction that profile walls of the two profiles to be joined between two clamping parts, which are pulled together by a screw, are clamped, wherein at least one clamping member as Angle is formed with two legs, which extends around the miter joint of the two profiles, each with a leg along a respective profile. Furthermore, it is assumed that on each frame profile, the contact surface of an adjoining clamping part is formed toothed, so that it is pressed something in the manufacture of the compound under plastic deformation of the frame profile in this.

Als erfindungsgemäße Verbesserung dazu wird vorgeschlagen, jene Relativbewegung zwischen zwei Klemmteilen, die beim Herstellen der Verbindung durch Aneinanderziehen dieser Klemmteile zwecks Einklemmens einer Profilwand eines Profils entsteht, normal zur Profilrichtung des Profils ausgerichtet ist, und ermöglicht ist, weil eine verzahnte Berührungsfläche eines der Klemmteile in das Material des Profils eindringt, unter Anwendung einer schiefen Ebene in eine Relativbewegung des Profils auf jene Ebene hin zu übersetzen, welche den Winkel zwischen den beiden Schenkel des als Winkel ausgebildeten Klemmteils symmetrisch teilt.As an improvement according to the invention, it is proposed that the relative movement between two clamping parts, which arises during the production of the connection by tightening these clamping parts for the purpose of clamping a profile wall of a profile, is aligned normal to the profile direction of the profile, and is possible because a toothed contact surface of the clamping parts in penetrates the material of the profile to translate using an inclined plane in a relative movement of the profile on that plane, which divides the angle between the two legs of the formed as an angle clamping part symmetrically.

Durch die erfindungsgemäße Ausführung wird erreicht, dass durch das Fixieren der Profile aneinander mittels Anziehen der die Klemmteile verbindenden Schrauben, sattes aneinander Anliegen der beiden Profile an der Gehrungsfläche automatisch herbeigeführt wird.As a result of the embodiment according to the invention, it is automatically achieved by fixing the profiles to one another by tightening the screws connecting the clamping parts, which causes the two profiles to abut one another on the miter surface.

Die Erfindung wird an Hand von - teilweise stilisierten - Zeichnungen veranschaulicht.

  • Fig. 1: zeigt eine beispielhafte erfindungsgemäße Baugruppe in Teilschnittansicht. Die Blickrichtung ist dabei parallel zum Profil 1 in Richtung auf die Gehrung mit dem Profil 2 zu.
  • Fig. 2: zeigt die Baugruppe von Fig. 1 in der in Fig. 1 markierten, seitlichen Schnittansicht.
  • Fig. 3, Fig.4, Fig. 5 und Fig. 6 sind stark stilisierte Prinzipskizzen die zur Veranschaulichung von weiteren Variationen des Erfindungsgedankens dienen.
The invention is illustrated by means of - partially stylized - drawings.
  • Fig. 1 : shows an exemplary assembly according to the invention in partial sectional view. The viewing direction is parallel to the profile 1 in the direction of the miter with the profile 2.
  • Fig. 2 : shows the assembly of Fig. 1 in the in Fig. 1 marked, side sectional view.
  • Fig. 3, Fig.4 . Fig. 5 and Fig. 6 are strongly stylized schematic diagrams which serve to illustrate further variations of the inventive concept.

Die Baugruppe von Fig. 1 und Fig. 2 besteht aus zwei Profilen 1 2, einem winkelförmigen Klemmteil 3, zwei "einfachen" Klemmteilen 4, 5 sowie zwei Schrauben 6, 7.The assembly of Fig. 1 and Fig. 2 consists of two profiles 1 2, an angular clamping part 3, two "simple" clamping parts 4, 5 and two screws 6, 7.

Die beiden Profile 1, 2 haben gleiche Querschnittsform; sie sind rechtwinkelig zueinander ausgerichtet und liegen unter Bildung einer Gehrung aneinander an.The two profiles 1, 2 have the same cross-sectional shape; they are aligned at right angles to each other and lie together forming a miter.

Der winkelförmige Klemmteil 3 weist zwei rechtwinkelig zueinander ausgerichtete, jeweils etwa rechteckige Schenkel 8, 9 auf. In jener Symmetrieebene 10, welche den Winkel zwischen den Ebenen der beiden Schenkel 8, 9 symmetrisch teilt, liegen die beiden Profile 1, 2 mit ihren auf Gehrung zugeschnittenen Stirnflächen aneinander an.The angle-shaped clamping part 3 has two orthogonal aligned, each approximately rectangular legs 8, 9. In that plane of symmetry 10, which symmetrically divides the angle between the planes of the two legs 8, 9, the two profiles 1, 2 abut each other with their mitered faces.

Jeder Schenkel 8, 9 ist durch eine angesenkte Durchgangsbohrung durchbrochen, welche jeweils normal zur Ebene des Schenkels 8, 9 ausgerichtet ist und durch welche hindurch jeweils eine Schraube 6, 7 verläuft.Each leg 8, 9 is pierced by a countersunk through hole, which is aligned in each case normal to the plane of the leg 8, 9 and through which a respective screw 6, 7 extends.

Die Profile 1, 2 umfassen in Querschnittsansicht jeweils einen Hohlraum auf drei Seiten; die vierte, offene Seite des Hohlraums liegt normal zu der durch die Profile 1, 2 aufgespannten Ebene und zwar an der Außenseite des durch die Profile 1, 2 gebildeten Eckes. Aus zwei den Hohlraum im Profil 1, 2 seitlich begrenzenden Profilflächen springt jeweils eine Profilwand 11 in Richtung auf die jeweils andere Seitenfläche zu hervor. Zur Fixierung der Klemmteile 3, 4, 5 an den Profilen 1, 2 und damit auch der Profile 1, 2 aneinander, werden die beiden Profile 1, 2 erst in die gewünschte Relativposition aneinander gebracht (auf Gehrung aneinander anliegend) und dann werden die jeweils zwei Profilwände 11 eines Profils 1, 2 zwischen jeweils einem Schenkel 8, 9 des winkelförmigen Klemmteils 3 einerseits und einem einfachen Klemmteil 4, 5 andererseits eingeklemmt. Für dieses Einklemmen wird jeweils die Schraube 6, 7, welche durch das Durchgangsloch am Schenkel 8, 9 hindurch verläuft, und mit einem Mutterngewinde in der Flächenmitte des einfachen Klemmteils 4, 5 in Gewindeeingriff ist, angezogen.The profiles 1, 2 comprise in cross-sectional view in each case a cavity on three sides; the fourth, open side of the cavity is normal to the plane defined by the profiles 1, 2 plane and that on the outside of the corner formed by the profiles 1, 2. From two the profile in the profile 1, 2 laterally bounding profile surfaces each jumps a profile wall 11 in the direction of the other side surface to show. To fix the clamping parts 3, 4, 5 to the profiles 1, 2 and thus also the profiles 1, 2 to each other, the two profiles 1, 2 are brought into the desired relative position together (miter against each other) and then the respective two profile walls 11 of a profile 1, 2 between one leg 8, 9 of the angular clamping part 3 on the one hand and a simple clamping part 4, 5 on the other hand clamped. For this pinching is respectively the screw 6, 7, which passes through the through hole on the legs 8, 9 passes through, and with a nut thread in the center of the surface of the simple clamping part 4, 5 in threaded engagement tightened.

Die beiden Berührungsbereiche eines einfachen Klemmteils 4, 5 mit dem Profil 1, 2 sind jeweils als Verzahnung 12 ausgeführt, sodass entlang der Richtung des Profils 1, 2 Zahnspitzen und Zahntäler abwechseln und beim Andrücken des einfachen Klemmteils 4, 5 an das Profil 1, 2 zufolge Anziehens der Schraube 6, 7 die Zahnspitzen in das Material des Profils 1, 2 eindringen und dieses teilweise auch plastisch verformen.The two contact areas of a simple clamping part 4, 5 with the profile 1, 2 are each designed as a toothing 12, so along the direction of the profile 1, 2 tooth tips and tooth valleys alternate and when pressing the simple clamping part 4, 5 to the profile 1, the second According tightening the screw 6, 7, the tooth tips penetrate into the material of the profile 1, 2 and this partially deform plastically.

Erfindungsgemäß wesentlich ist, dass die in Richtung des Profils 1, 2 abwechselnd hintereinander liegenden linken und rechten Zahnflanken der Verzahnung 12 nicht spiegelsymmetrisch zueinander ausgebildet sind, sondern so, dass die der Symmetrieebene 10 zugewandt liegenden Zahnflanken 13 rampenartig ansteigen und die von der Symmetrieebene 10 abgewandt liegenden Zahnflanken 14 von den Zahntälern aus senkrecht oder noch besser überhängend ansteigen. Weiters ist dabei wichtig, dass der rampenartige Anstieg der Zahnflanken 13 zu der von der Symmetrieebene 10 abgewandt (!) liegenden Stirnseite jenes Profils 1, 2 hin geneigt ist, in dessen Material die Spitzen der Zähne bei der Montage eindringen. Durch diese Ausrichtung der Zahnflanken 13 wird erreicht, dass der einfache Klemmteil 4, 5 beim Anziehen der Schraube 6, 7 relativ zu dem Profil 1, 2 mit dem er in Eingriff ist, nicht nur normal zur Profilrichtung bewegt wird, sondern auch in Profilrichtung etwas von der Symmetrieebene 10 weg.According to the invention, it is essential that the left and right tooth flanks of the toothing 12 alternately one behind the other in the direction of the profile 1, 2 are not mirror-symmetrical to each other, but that the tooth flanks 13 facing the plane of symmetry rise in a ramp-like manner and face away from the plane of symmetry lying tooth flanks 14 from the tooth valleys from perpendicular or even better overhanging rise. Furthermore, it is important that the ramp-like rise of the tooth flanks 13 is inclined to the facing away from the plane of symmetry 10 (!) End side of that profile 1, 2 out, in the material of which the tips of the teeth penetrate during assembly. By this alignment of the tooth flanks 13 it is achieved that the simple clamping part 4, 5 when tightening the screw 6, 7 relative to the profile 1, 2 with which it is engaged, not only normal to the profile direction is moved, but also in profile direction something away from the plane of symmetry 10.

Wie in Fig. 2 erkennbar ist, liegen der Schenkel 8 des winkelförmigen Klemmteils 3 und der einfache Klemmteil 4 an Vorsprüngen 15, 16 an einer zur Richtung des Profils 1 normal ausgerichteten Ebene aneinander an, sodass der Klemmteil 4 dagegen gehalten ist, relativ zum winkelförmigen Klemmteil 3 von der Fläche 10 weg bewegt zu werden. Gleiches gilt für den Schenkel 9 des winkelförmigen Klemmteils 3 und den einfachen Klemmteil 5. Die zuvor beschriebene Relativbewegung zwischen dem Klemmteil 4, 5 und dem Profil 1, 2 beim Anziehen der Schraube 6, 7 bewirkt damit, dass die beiden Profile 1, 2 jeweils zu jener Symmetrieebene 10 hin, welche den Winkel zwischen den Ebenen der beiden Schenkel 8, 9 symmetrisch teilt, verschoben werden, bis sie dort satt und auf Druck aneinander anliegen. Somit ist der erfindungsgemäße Zweck erreicht.As in Fig. 2 can be seen, are the leg 8 of the angular clamping part 3 and the simple clamping part 4 of projections 15, 16 to a direction of the profile 1 normally aligned plane to each other, so that the clamping member 4 is held against the angular clamping part 3 of the surface 10 to be moved away. The same applies to the leg 9 of the angular clamping part 3 and the simple clamping part 5. The previously described Relative movement between the clamping part 4, 5 and the profile 1, 2 when tightening the screw 6, 7 causes so that the two profiles 1, 2 respectively to that plane of symmetry 10, which symmetrically the angle between the planes of the two legs 8, 9 Shares, be moved until they sit there full and pressure on each other. Thus, the purpose of the invention is achieved.

Die Bewegungsführung der Klemmteile 3 und 4 bzw. 3 und 5 aneinander könnte beispielweise auch durch die verbindende Schraube erfolgen, wenn diese großen Durchmesser hat, in der Schraubendurchgangsbohrung streng geführt wird und der Abstand der beiden damit zu verbindenden Klemmteile sehr klein gehalten wird.The movement of the clamping members 3 and 4 or 3 and 5 to each other could for example also be done by the connecting screw, if this has large diameter, is strictly guided in the screw through hole and the distance between the two clamping parts to be connected is kept very small.

In den Prinzipskizzen Fig. 3 bis Fig. 6 sind von den jeweiligen erfindungsgemäßen Baugruppen jeweils nur die Klemmteile und die durch diese eingeklemmte jeweilige Profilwand 11 der beiden miteinander zu verbindenden Profile skizziert. Jeweils jene Schraube, welche Klemmteile paarweise verbindet, ist als vertikale, bzw. horizontale strichpunktierte Linie angedeutet. Die Skizzen Fig. 3 bis Fig. 6 sollen mehrere beispielhafte Varianten veranschaulichen, an Hand derer das erfindungsgemäße Prinzip alternativ zur Variante von Fig. 1 und Fig. 2 ebenso realisiert werden kann.In the outline sketches Fig. 3 to Fig. 6 are outlined by the respective assemblies according to the invention only the clamping parts and the respective clamped by this respective profile wall 11 of the two profiles to be joined together. In each case those screw which connects clamping parts in pairs, is indicated as a vertical or horizontal dash-dotted line. The sketches Fig. 3 to Fig. 6 should illustrate several exemplary variants, on the basis of which the inventive principle alternative to the variant of Fig. 1 and Fig. 2 can also be realized.

Gemäß Fig. 3 liegt der winkelförmige Klemmteil 17 an den Innenseiten der Profilwände 11 und die gezahnten einfachen Klemmteile 18 an den Außenseiten. ("Innenseite" bedeutet "an der Innenseite des durch die Profile eingeschlossenen rechten Winkels"; "Außenseite" bedeutet "an der Seite des erhabenen Winkelbereichs zwischen den beiden Profilen".) Unter der Annahme, dass die beiden einfachen Klemmteile 18 so geführt sind, dass sie nur normal zur Ebene jenes Schenkels des winkelförmigen Klemmteils 17 bewegbar sind, mit welchem sie gemeinsam die jeweilige Profilwand 11 einklemmen, wird die besagte Profilwand immer dann etwas auf die Symmetrieebene 10 zu verschoben, wenn der einfache Klemmteil 18 auf den zugehörigen Schenkel des winkelförmigen Klemmteils 17 zu bewegt wird.According to Fig. 3 is the angle-shaped clamping member 17 on the inner sides of the profile walls 11 and the toothed simple clamping parts 18 on the outer sides. ("Inside" means "at the inside of the right angle enclosed by the profiles";"outside" means "at the side of the raised angle between the two profiles"). Assuming that the two simple clamping parts 18 are so guided, that they are only normal to the plane of that leg of the angular clamping member 17 are movable, with which they clamp together the respective profile wall 11, the said profile wall is always something on the plane of symmetry 10 to move when the simple clamping member 18th on the associated leg of the angular clamping part 17 is moved.

Auch bei dieser Ausführung trifft dabei zu, dass die der Symmetrieebene 10 zugewandt liegenden Zahnflanken der Verzahnung rampenartig von den Zahntälern zu den Zahnspitzen ansteigen, wobei der rampenartige Anstieg zu der von der Symmetrieebene 10 abgewandt liegenden Stirnseite jenes Profils 1, 2 hin geneigt ist, in dessen Material - an der Profilwand 11 - die Spitzen der Zähne bei der Montage eindringen.In this embodiment, it is true that the plane of symmetry of the teeth 10 facing the teeth rise ramp-like from the tooth valleys to the tooth tips, wherein the ramp-like slope is inclined to the side facing away from the plane of symmetry 10 end of that profile 1, 2, in whose material - on the profile wall 11 - penetrate the tips of the teeth during assembly.

Die Bauweise gemäß Fig. 4 unterscheidet sich von jener von Fig. 3 dadurch, dass nicht nur die einfachen Klemmteil 18 sondern auch der winkelförmige Klemmteil 19 eine erfindungsgemäß wirkende Verzahnung mit wie beschrieben unterschiedlichen linken und rechten Zahnflanken aufweist.The construction according to Fig. 4 is different from that of Fig. 3 in that not only the simple clamping part 18 but also the angular clamping part 19 has a toothing acting according to the invention with different left and right tooth flanks as described.

An Hand von Fig. 3 und Fig. 4 ist es auch einfach zu erkennen, dass auch Bauweisen erfindungsgemäß funktionieren, bei denen nur der winkelförmige Klemmteil eine Verzahnung wie beschrieben aufweist, und die einfachen Klemmteile ohne Verzahnung an den Profilwänden 11 anliegen.Based on FIG. 3 and FIG. 4 It is also easy to see that also construction methods according to the invention work in which only the angular clamping part has a toothing as described, and the simple clamping parts bear against the profile walls 11 without teeth.

Fig. 5 zeigt eine Bauweise bei welcher die einfachen Klemmteile 20 mit einer Verzahnung mit symmetrisch aufgebauten Zähnen ausgestattet sind, sodass sie durch Eindringen in die Profilwand 11 allein, keine Relativbewegung zwischen Profilwand 11 und Klemmteil 20 in Längsrichtung des Profils antreiben. Allerdings liegen die Klemmteile 20 an jeweils einem Schenkel des winkelförmigen Klemmteils 21 an einer schiefen Ebene 22 an, die derart gegenüber der Profilrichtung des zu fixierenden Profils geneigt ist, dass auf ihr Bewegung normal zur Profilrichtung vom einfachen Klemmteil 20 auf den zugehörigen Schenkel des winkelförmigen Klemmteils 21 zu, mit Bewegung in Profilrichtung auf die Symmetrieebene 10 zu, einhergeht. Die beim Herstellen der Verbindung mittels einer Schraube erzwungene Bewegung des einfachen Klemmteils 20 auf den zugehörigen Schenkel des winkelförmigen Klemmteils 21 zu bewirkt daher auch eine Verschiebung des einfachen Klemmteils 20 auf die Symmetrieebene 10 zu. Da der einfache Klemmteil 20 dabei mit seiner Verzahnung mit der Profilwand 11 in Eingriff ist, nimmt er das Profil in seiner Bewegung zur Symmetrieebene 10 hin (etwas) mit. Fig. 5 shows a construction in which the simple clamping parts 20 are equipped with a toothing with symmetrically constructed teeth so that they drive by penetrating into the profile wall 11 alone, no relative movement between the profile wall 11 and clamping member 20 in the longitudinal direction of the profile. However, the clamping members 20 abut one leg of the angular clamping member 21 on an inclined plane 22, which is inclined relative to the profile direction of the profile to be fixed, that on her movement normal to the profile direction of the simple clamping member 20 on the associated leg of the angular clamping part 21, with movement in the profile direction on the plane of symmetry 10 to, goes along. The forced when establishing the connection by means of a screw movement of the simple clamping part 20th on the associated leg of the angle-shaped clamping member 21 causes therefore also a displacement of the simple clamping member 20 to the plane of symmetry 10 too. Since the simple clamping member 20 is engaged with its toothing with the profile wall 11, it takes the profile in its movement to the plane of symmetry 10 out (something) with.

Fig. 6 zeigt das Prinzip von Fig. 5 mit dem Unterschied, dass der winkelförmige Klemmteil 23 an der Innenseite der Profilwände 11 liegt. Fig. 6 shows the principle of Fig. 5 with the difference that the angular clamping part 23 is located on the inside of the profile walls 11.

Bauweisen bei denen der winkelförmige Klemmteil innen liegt (Fig. 3, Fig. 4, Fig. 6), sollten nur angewendet werden, wenn die zu verbindenden Profile in der gemeinsam aufgespannten Ebene sehr gut biegesteif sind. Ansonsten besteht die Gefahr, dass die Profile im Bereich zwischen den einfachen Klemmteilen und der Symmetrieebene 10 nach außen aufgebogen werden.Construction methods in which the angular clamping part lies inside ( Fig. 3, Fig. 4 . Fig. 6 ), should only be used if the profiles to be joined in the jointed plane are very well bendable. Otherwise, there is a risk that the profiles are bent in the area between the simple clamping parts and the plane of symmetry 10 to the outside.

Bei der in Fig. 1 und Fig. 2 skizzierten Bauweise liegt der mit einer Verzahnung ausgestattete Klemmteil 4 an den beiden vorspringenden Profilwänden 11 des Profils 1, 2 jeweils an den Flanken einer Nut an, deren Öffnungsfläche parallel zur Verbindungsfläche zwischen den beiden Profilwänden 11 liegt. Diese Bauweise gibt extreme Festigkeit der hergestellten Klemmverbindung und sie bewirkt auch, dass beim Herstellen der Verklemmung (also beim Anziehen der Schraube 6, 7) die Relativbewegung zwischen Klemmteil 4, 5 und Profilen 1, 2 und winkelförmigem Klemmteil 3 relativ groß ist. Damit wird die Verlässlichkeit der erfindungsgemäßen Funktionsweise erhöht.At the in Fig. 1 and Fig. 2 sketched construction of the equipped with a toothed clamping part 4 is located on the two projecting profile walls 11 of the profile 1, 2 respectively on the flanks of a groove whose opening surface is parallel to the connecting surface between the two profile walls 11. This design gives extreme strength of the clamp connection produced and it also causes, when making the jamming (ie when tightening the screw 6, 7), the relative movement between the clamping part 4, 5 and profiles 1, 2 and angular clamping part 3 is relatively large. This increases the reliability of the operation according to the invention.

Es ist vorteilhaft, Vorrichtungen für das Verschließen einer Gebäudeöffnung mittels eines beweglichen flächigen Elementes - also Türen und Fenster - mit erfindungsgemäßen Baugruppen auszustatten. Dabei kann der ortsfeste Rahmen der Gebäudeöffnung (also der Türstock bzw. der Fensterstock) durch erfindungsgemäß verbundene Profile 1, 2 gebildet sein, wobei die Öffnungsfläche der Profile 1, 2 zur Falzfläche hin, also zum Türblatt bzw. Fensterflügel in geschlossenem Zustand hin, ausgerichtet ist. Ebenso kann dabei das flächige Element - also das Türblatt oder der Fensterflügeleinen Rahmen aufweisen der aus erfindungsgemäß ausgebildeten und verbundenen Profilen 1, 2 besteht, wobei die Öffnungsfläche der Profile 1, 2 bei geschlossener Gebäudeöffnung zur Falzfläche hin, also zum ortsfesten Rahmen hin ausgerichtet ist. Die beschriebenen Klemmteile können dabei über das Verbinden von Profilen 1, 2 hinaus nach Art von Stulpblechen, Tragefunktion für Beschläge erfüllen.It is advantageous to equip devices for closing a building opening by means of a movable planar element - ie doors and windows - with assemblies according to the invention. In this case, the stationary frame of the building opening (ie the door frame or the window stock) may be formed by profiles 1, 2 connected according to the invention, the opening area of the profiles 1, 2 to the rebate surface, so the door leaf or window sash in the closed state out, is aligned. Likewise, in this case, the sheet-like element - ie the door leaf or the window sash a frame consisting of inventively constructed and connected profiles 1, 2, wherein the opening surface of the profiles 1, 2 is aligned with closed building opening to the rebate surface, ie to the stationary frame out. The described clamping parts can meet on the joining of profiles 1, 2 also in the manner of Stulpblechen, carrying function for fittings.

Im Fall, dass Vorrichtungen für das Verschließen einer Gebäudeöffnung mittels eines beweglichen flächigen Elementes erfindungsgemäß ausgebildet werden, ist es besonders wichtig, dass Klemmteile an einer Nut der Profile anliegen, da der damit erreichbare hohe Festigkeitsgewinn der Verbindung bei diesem Anwendungsfall extrem wichtig ist.In the case that devices for closing a building opening by means of a movable planar element are formed according to the invention, it is particularly important that clamping parts abut a groove of the profiles, since the achievable high strength gain of the connection in this application is extremely important.

Claims (7)

  1. Assembly comprising two mitre-jointed profiles positioned adjacently (1, 2), a double-legged angular clamping part (3, 17, 19, 21, 23) and two simple clamping parts (4, 5, 18, 20), whereby one leg (8) of the angular clamping part (3, 17, 19, 21, 23) extends along the first profile (1) and the second leg (9) extends along the second profile (2), and whereby one simple clamping part respectively (4, 5, 18, 20) cooperates with a respective leg (8, 9) to clamp a respective profile (1, 2), whereby the contact surface of at least each clamping part (4, 5, 18, 19, 20) respectively, each pair of simple clamping parts (4, 5, 18, 20) and the legs (8, 9) of the angular clamping part (3, 17, 19, 21, 23) have a toothed arrangement (12), and the tips of each tooth, when connected, under plastic deformation of same, penetrated the material of the profile (1, 2), whereby both components of the pair of the simple clamping part (4, 5, 18, 20) and the leg (8, 9) of the angular clamping part (3, 17, 19, 21, 23) are pulled together by a screw (6, 7) perpendicular to the profile direction of the profile (1, 2) and clamping a profile wall (11) of the profile (1, 2) between them,
    characterised in that
    the profile's relative movement (1, 2) created during the manufacturing of the deadlock, perpendicular to its profile direction opposite the clamping part (4, 5, 18, 19, 20) with toothing (12), is diverted by sliding along an inclined plane (22) into a profile-parallel relative movement of the profile (1, 2) opposite the angular clamping part (3, 17, 19, 21, 23), which is aligned to the plane of symmetry (10) that symmetrically divides the angle between both legs (8, 9) of the angular clamping part (3, 17, 19, 21, 23).
  2. Assembly per claim 1, characterised in that the inclined plane is formed by a ramp-like rising edge from a tooth valley to a tooth tip (13) of a tooth of the toothing (12) of a clamping part (4, 5, 18, 19), which is on the side of the tooth facing the plane of symmetry (10), whereby the ramp-like rise is inclined towards the end face of the profile (1, 2) which faces away from the plane of symmetry (10).
  3. Assembly per claim 2, characterised in that the tooth belongs to a simple clamping part (4, 5, 18) and that this is held away from the plane of symmetry (10) against movement relative to the angular clamping part (3, 17, 19).
  4. Assembly per claim 1, characterised in that the inclined plane (22) is formed on the angular clamping part (21, 23) and the simple clamping part with toothing (20) thereon.
  5. Assembly per one of the claims 1 to 4, characterised in that the toothing (12) of the clamping part (4, 5) bears against the flanks of a groove of the profile (1, 2) on the profile (1, 2).
  6. Assembly per one of the claims 1 to 5, characterised in that the profiles (1, 2) are parts of a profile frame that covers a lockable building opening.
  7. Assembly per one of the claims 1 to 5, characterised in that the profiles (1, 2) are parts of a profile frame that covers a panel element for the locking of a building opening.
EP17000120.0A 2016-01-29 2017-01-25 Assembly comprising two mitred profiles and clamp sections connecting them Active EP3199739B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA43/2016A AT517947B1 (en) 2016-01-29 2016-01-29 Assembly having two mitred profiles and connecting these clamping parts

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EP3199739B1 true EP3199739B1 (en) 2018-11-14

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1018055A3 (en) * 2008-03-20 2010-04-06 Reynaers Aluminium Nv Corner support for door or window, has two profiles respectively formed with ends that are arranged to face one another, and body including two legs arranged in axial direction, where one of legs at end of body is equipped with slanted wall
IT1403505B1 (en) * 2011-01-24 2013-10-31 L M Dei F Lli Monticelli S R L TIGHTENING AND ALIGNMENT DEVICE FOR CORNER PROFILES IN COMPLANARITY CONDITION.
AT514974A1 (en) * 2013-10-18 2015-05-15 Erna Kronberger Corner connector
AT515184B1 (en) * 2013-12-13 2015-12-15 Walter Ing Degelsegger Device for closing a building opening
CN104153690B (en) * 2014-07-31 2016-08-24 山东易欧思门窗系统科技有限公司 A kind of profile combined corner device

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AT517947A4 (en) 2017-06-15
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