EP2011949B1 - Corner joint for door and window frames - Google Patents

Corner joint for door and window frames Download PDF

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Publication number
EP2011949B1
EP2011949B1 EP08011190.9A EP08011190A EP2011949B1 EP 2011949 B1 EP2011949 B1 EP 2011949B1 EP 08011190 A EP08011190 A EP 08011190A EP 2011949 B1 EP2011949 B1 EP 2011949B1
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EP
European Patent Office
Prior art keywords
shaft
spreading
corner connector
spreader
rips
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Application number
EP08011190.9A
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German (de)
French (fr)
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EP2011949A3 (en
EP2011949A2 (en
Inventor
Hans Dieter Grotefeld
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Individual
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Individual
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Priority to SI200831571T priority Critical patent/SI2011949T1/en
Priority to PL08011190T priority patent/PL2011949T3/en
Publication of EP2011949A2 publication Critical patent/EP2011949A2/en
Publication of EP2011949A3 publication Critical patent/EP2011949A3/en
Application granted granted Critical
Publication of EP2011949B1 publication Critical patent/EP2011949B1/en
Priority to HRP20160197T priority patent/HRP20160197T1/en
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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
    • E06B3/972—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 increasing the cross-section of the connecting pieces, e.g. by expanding the connecting pieces with wedges
    • E06B3/9725—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
    • E06B3/9604—Welded or soldered joints
    • E06B3/9608—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
    • E06B3/9645—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

Definitions

  • the invention relates to a corner connector for door and window frames, with a rectangular cross-section shank for insertion into a mitered frame hollow section and the shaft final, weldable or glued, according to the miter of the hollow profile extending inclined surface and a spreader of a The spreading of the rectangular surfaces of the shaft spreading device for clamping the shaft in the hollow profile.
  • corner connectors are known in various embodiments.
  • the Applicant described a solution in which between the wedge-shaped expansion part and the inner surface of the hollow profile is a pressure plate which is pressed by the expansion part to the outside and ensures that the wedge is displaced in its longitudinal displacement on the always same inner surface of the printing plate, so that the right tensile or compressive force with which the wedge has been displaced, is always a measure of the tension achieved.
  • the EP 1 342 877 A2 discloses a corner connector of the type mentioned.
  • the corner connector has in the usual construction a rectangular cross-section shank, which is inserted into a window hollow profile.
  • a spreading mechanism which makes it possible to spread a spreading part of the shaft by longitudinal displacement of a wedge connection, so that the shaft can be clamped in a hollow profile.
  • the cited document discloses a corner joint with a shank of which spring arms on both sides of the shaft, which can be swung out on both sides.
  • corner connectors have the disadvantage that they allow a tension only in one dimension, not in the perpendicular dimension. Since it is generally not guaranteed that the hollow sections have exactly dimensionally accurate dimensions, the tension in only one dimension may under certain circumstances be insufficient.
  • the invention is therefore an object of the invention to provide a corner joint, which allows a tension in two mutually perpendicular dimensions without an increased design effort is necessary for this purpose.
  • an inventive corner connector is characterized in that the spreader is connected to the two adjacent sides of the rectangular cross-section with spreaders, which are forced apart when spreading the spreader by running on spreader surfaces.
  • corner connectors are known in the prior art, which can be clamped by means of a spreadable spreading in a hollow profile.
  • a metallic stiffening profile such as a square iron profile is usually used in plastic hollow sections, which can also be referred to here as a hollow profile and in which most of the corner connectors used are braced.
  • the tension is thus for example, characterized in that a spreading part is spread laterally from the corner connector. It should not matter whether the expansion part is placed directly against the inner surface of the hollow profile, or whether a pressure piece is interposed, as is also known in the art.
  • this tension is provided in one dimension, but in the second dimension extending in the transverse direction are spreading provided, which are pushed apart by running on knobs or inclined surfaces and cause additional strain. It is expedient if the tension in the second dimension with a considerable elasticity, so that the difficulties that may arise from the coordination of the dimensions in two different directions, remain manageable.
  • the expansion member together with the two lateral expansion paths thus forms according to the invention a U-shaped structure in cross-section.
  • directional information refers to the arrangement of the corner connector in Fig. 1 and 2 .
  • Fig. 1 is a perspective view of a corner connector according to the invention without the associated spreading and without a spreader.
  • the corner connector consists of a shaft 10, which is rectangular in cross-section, and an oblique surface 12 which tapers to one side and is inclined at 45 °, which can be welded to a corresponding oblique surface in a miter area of a window frame.
  • the shaft 10 has on its upper side in Fig. 1 an elongated chamber 14, which is provided for receiving a movable expansion part, which can be spread apart from the shaft 10 and clamped in this way the shaft in a hollow profile. This can be done, for example, as in the prior art, with the help of wedge elements, or with the help of nubs, as will be explained later HYd.
  • Fig. 2 shows in a corresponding, perspective view of a possible expansion part 16, the in the chamber 14 according to Fig. 1 can be inserted and, for example, with the help of a sliding, not shown wedge can be pushed out.
  • the expansion part 16 is connected according to the present embodiment in an overall U-shaped arrangement with two lateral tension tracks 18,20. These tension tracks 18,20 lie against the not designated, in Fig. 1 vertical side surfaces on both sides of the upper side surface in which the chamber 14 is adjacent.
  • These two side surfaces of the shaft are provided with saddle-shaped ribs 22 which extend in the longitudinal direction of the shaft 10 and lie parallel to each other on the corresponding side surface.
  • the laterally connected to the expansion part 16 Sp Dr Drhyroiden 18 and 20 are wave-shaped and have a number of wave crests and troughs, which extend in the longitudinal direction of the shaft 10 and in their arrangement correspond to the ribs 22 of the shaft. How this is realized results from Fig. 3 showing the shaft 10 together with the spreader 16 and the two laterally adjacent spreaders 18 and 20.
  • the spreader 16 is lifted by a suitable spreader, the two lateral spreaders 18 and 20 become upwardly in Fig. 3 drawn. They run on the rib 22 and are thereby spread apart.
  • the tension in the first dimension namely the vertical direction in Fig. 3
  • Also takes a bracing in the transverse direction, ie horizontally in Fig. 3 Also takes a bracing in the transverse direction, ie horizontally in Fig. 3 ,
  • Fig. 4 corresponds to Fig. 3 but shows the arrangement of corner connector and spreader within a hollow profile. It is not a plastic hollow profile, as it is used for the production of window and door frames, but a metallic square profile, which is usually used in the plastic hollow profile for stiffening.
  • the corner connector according to the invention is therefore equally usable for the use of a metallic stiffening profile as well as for immediate use within a window and door frame profile. It should be noted here that usually the stiffening profiles are not mitred, such as Fig. 4 shows.
  • Fig. 5 shows a drawstring, which can be used for example as a spreading member for spreading of the expansion part 16.
  • the drawstring is in Fig. 5 is shown forming a spreading device
  • the spreader 16 has on its underside a corresponding number of dome-shaped exceptions 32,34,36, which engage over the knobs.
  • the spreading device namely the mentioned drawstring, for example, to the right in Fig. 7 is pulled, the pimples 16,28,30 run right in Fig. 7 in the edge region of the dome-like recess and lift the spreader 16 at.
  • the expansion part is connected to the shaft 10 in the stiffening profile, which in Fig. 4 denoted by 38, braced.
  • the surface pairing between the lateral ribs and the waves of the expansion jacket must be designed to be self-locking, so that the lateral expansion surfaces do not lose a position once again by slipping back.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Joining Of Corner Units Of Frames Or Wings (AREA)
  • Wing Frames And Configurations (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Special Wing (AREA)

Description

Die Erfindung betrifft einen Eckverbinder für Tür- und Fensterrahmen, mit einem im Querschnitt rechteckigen Schaft zum Einschieben in ein auf Gehrung geschnittenes Rahmen-Hohlprofil und einer den Schaft abschließenden, verschweißbaren oder verklebbaren, entsprechend der Gehrung des Hohlprofils verlaufenden Schrägfläche sowie einer ein Spreizteil von einer der Rechteckflächen des Schafts abspreizenden Spreizvorrichtung zum Verspannen des Schafts in dem Hohlprofil.The invention relates to a corner connector for door and window frames, with a rectangular cross-section shank for insertion into a mitered frame hollow section and the shaft final, weldable or glued, according to the miter of the hollow profile extending inclined surface and a spreader of a The spreading of the rectangular surfaces of the shaft spreading device for clamping the shaft in the hollow profile.

Derartige Eckverbinder sind in verschiedenen Ausführungsformen bekannt.Such corner connectors are known in various embodiments.

Nach der DE 89 10 401 U1 des Anmelders wird ein Spreizkeil mithilfe einer von der Schrägfläche her eingeschraubten Schraube über eine Schrägfläche des Schafts herangezogen. Durch die Bewegung über die Keilfläche steigt der Spreizkeil an, so dass er sich im Inneren des Hohlprofils verspannt. Dabei bildet der Keil ein Spreizteil, das den Querschnitt des Eckverbinders vergrössert und dadurch die Verspannung erreicht. Die DE 91 13 235 U1 zeigt einen Eckverbinder, der ebenfalls einen Keil als Spreizteil aufweist, jedoch wird dieser nicht mithilfe einer Schraube, sondern einer an den Keil direkt angeformten Zunge in den Eckverbinder hineingeschoben oder aus diesem herausgezogen.After DE 89 10 401 U1 An expanding wedge is used by the applicant by means of a screw screwed in from the inclined surface over an inclined surface of the shank. As a result of the movement over the wedge surface, the expanding wedge increases, so that it braces in the interior of the hollow profile. In this case, the wedge forms a spreading part, which increases the cross-section of the corner connector and thereby reaches the tension. The DE 91 13 235 U1 shows a corner connector, which also has a wedge as a spreading, but this is not pushed by means of a screw, but one of the wedge directly molded tongue in the corner connector or pulled out of this.

In beiden Fällen reibt das Spreizteil unmittelbar an der Innenfläche des Hohlprofils. Besteht dieses aus Kunststoff, so ist in der Regel ein metallisches Verstärkungsprofil eingeschoben. Diese Verstärkungsprofile, zumeist aus Stahl, haben nicht immer eine glatte Innenfläche, so dass unter Umständen sehr unterschiedliche Reibungskoeffizienten eine Rolle spielen und zumindest anhand der ausgeübten Zug- oder Druckkraft nicht festgestellt werden kann, ob die Verspannung vollständig erfolgt ist.In both cases, the spreader rubs directly against the inner surface of the hollow profile. Is this made of plastic, so a metallic reinforcing profile is usually inserted. These reinforcing profiles, usually made of steel, do not always have a smooth inner surface, so that possibly very different coefficients of friction play a role and at least on the basis of the applied tensile or compressive force can not be determined whether the bracing has been completed.

Daher wird in der EP 1 054 130 B1 des Anmelders eine Lösung beschrieben, bei der zwischen dem als Keil ausgebildeten Spreizteil und der Innenfläche des Hohlprofils eine Druckplatte liegt, die durch das Spreizteil nach außen gedrückt wird und gewährleistet, dass der Keil bei seiner Längsverschiebung auf der stets gleichen Innenfläche der Druckplatte verschoben wird, so dass die rechte Zug- oder Druckkraft, mit der der Keil verschoben worden ist, stets ein Maß für die erreichte Verspannung ist.Therefore, in the EP 1 054 130 B1 the Applicant described a solution in which between the wedge-shaped expansion part and the inner surface of the hollow profile is a pressure plate which is pressed by the expansion part to the outside and ensures that the wedge is displaced in its longitudinal displacement on the always same inner surface of the printing plate, so that the right tensile or compressive force with which the wedge has been displaced, is always a measure of the tension achieved.

Die EP 1 342 877 A2 offenbart einen Eckverbinder der eingangs genannten Art. Der Eckverbinder weist in der üblichen Bauweise einen im Querschnitt rechteckigen Schaft auf, der in ein Fenster-Hohlprofil einschiebbar ist. Im Schaft befindet sich ein Spreizmechanismus, der es gestattet, durch Längsverschiebung einer Keilverbindung ein Spreizteil vom Schaft abzuspreizen, so dass der Schaft in einem Hohlprofil verspannt werden kann.The EP 1 342 877 A2 discloses a corner connector of the type mentioned. The corner connector has in the usual construction a rectangular cross-section shank, which is inserted into a window hollow profile. In the shaft there is a spreading mechanism, which makes it possible to spread a spreading part of the shaft by longitudinal displacement of a wedge connection, so that the shaft can be clamped in a hollow profile.

Im übrigen offenbart die genannte Druckschrift einen Eckverbinder mit einem Schaft, von dem Federarme an beiden Seiten des Schafts, die nach beiden Seiten ausgeschwenkt werden können.Moreover, the cited document discloses a corner joint with a shank of which spring arms on both sides of the shaft, which can be swung out on both sides.

Die meisten bekannten Eckverbinder haben den Nachteil, dass sie eine Verspannung nur in einer Dimension, nicht in der dazu senkrechten Dimension gestatten. Da im allgemeinen nicht gewährleistet ist, dass die Hohlprofile exakt maßhaltige Abmessungen aufweisen, kann die Verspannung in nur einer Dimension unter Umständen unzureichend sein.Most known corner connectors have the disadvantage that they allow a tension only in one dimension, not in the perpendicular dimension. Since it is generally not guaranteed that the hollow sections have exactly dimensionally accurate dimensions, the tension in only one dimension may under certain circumstances be insufficient.

Der Erfindung liegt daher die Aufgabe zugrunde, einen Eckverbinder zu schaffen, der eine Verspannung in zwei zueinander senkrechten Abmessungen ermöglicht, ohne dass zu diesem Zweck ein erhöhter konstruktiver Aufwand notwendig ist.The invention is therefore an object of the invention to provide a corner joint, which allows a tension in two mutually perpendicular dimensions without an increased design effort is necessary for this purpose.

Zur Lösung der gestellten Aufgabe ist ein erfindungsgemäßer Eckverbinder dadurch gekennzeichnet, dass das Spreizteil an den beiden benachbarten Seiten des Rechteck-Querschnitts mit Spreizbahnen verbunden ist, die beim Abspreizen des Spreizteils durch Auflaufen auf Spreizflächen auseinandergedrückt werden.To achieve the object, an inventive corner connector is characterized in that the spreader is connected to the two adjacent sides of the rectangular cross-section with spreaders, which are forced apart when spreading the spreader by running on spreader surfaces.

Nach dieser Lösung wird nicht nur durch das Spreizteil eine Verspannung in einer Dimension erreicht, sondern durch die Spreizbahnen, die seitlich auseinandergedrückt werden, zugleich eine Verspannung in einer hierzu senkrechten Dimension.After this solution, not only by the expansion part a tension in one dimension is achieved, but at the same time by the spreaders, which are pushed apart at the side, a tension in a vertical dimension.

Wie zuvor angegeben wurde, sind im Stand der Technik mehrere Eckverbinder bekannt, die mit Hilfe eines abspreizbaren Spreizteils in einem Hohlprofil verspannt werden können. Dabei wird in der Regel in Kunststoff-Hohlprofilen ein metallisches Versteifungsprofil, beispielsweise ein Eisen-Vierkant-Profil verwendet, das hier ebenfalls als Hohlprofil bezeichnet werden kann und in dem zumeist die verwendeten Eckverbinder verspannt werden. In diesen Hohlprofilen erfolgt die Verspannung also beispielsweise dadurch, dass ein Spreizteil von dem Eckverbinder seitlich abgespreizt wird. Dabei soll es nicht darauf ankommen, ob das Spreizteil sich direkt gegen die Innenfläche des Hohlprofils legt, oder ob ein Druckstück zwischengeschaltet ist, wie es im Stand der Technik ebenfalls bekannt ist.As indicated above, several corner connectors are known in the prior art, which can be clamped by means of a spreadable spreading in a hollow profile. In this case, a metallic stiffening profile, such as a square iron profile is usually used in plastic hollow sections, which can also be referred to here as a hollow profile and in which most of the corner connectors used are braced. In these hollow profiles, the tension is thus for example, characterized in that a spreading part is spread laterally from the corner connector. It should not matter whether the expansion part is placed directly against the inner surface of the hollow profile, or whether a pressure piece is interposed, as is also known in the art.

In jedem Falle erfolgt bei allen zuvor erörterten Lösungen die Verspannung im Hohlprofil in nur einer Dimension.In any case, in all previously discussed solutions, the tension in the hollow profile takes place in only one dimension.

Erfindungsgemäß wird dagegen nicht nur diese Verspannung in einer Dimension vorgesehen, sondern in der hierzu in Querrichtung verlaufenden zweiten Dimension sind Spreizbahnen vorgesehen, die durch Auflaufen auf Noppen oder Schrägflächen auseinandergedrückt werden und eine zusätzliche Verspannung bewirken. Dabei ist es zweckmäßig, wenn die Verspannung in der zweiten Dimension mit einer erheblichen Elastizität erfolgt, damit die Schwierigkeiten, die sich aus der Koordinierung der Dimensionen in zwei verschiedenen Richtungen ergeben können, beherrschbar bleiben.According to the invention, however, not only this tension is provided in one dimension, but in the second dimension extending in the transverse direction are spreading provided, which are pushed apart by running on knobs or inclined surfaces and cause additional strain. It is expedient if the tension in the second dimension with a considerable elasticity, so that the difficulties that may arise from the coordination of the dimensions in two different directions, remain manageable.

Das Spreizteil zusammen mit den beiden seitlichen Spreizbahnen bildet also erfindungsgemäß ein im Querschnitt U-förmiges Gebilde.The expansion member together with the two lateral expansion paths thus forms according to the invention a U-shaped structure in cross-section.

Es ist unerheblich, mit welchem Mechanismus das Spreizteil in der ersten Dimension der Verspannung bei der vorliegenden Erfindung abgespreizt wird. Wie bereits geschildert wurde, sind hierzu verschiedene Lösungen bekannt, insbesondere die Verwendung von zusammenwirkenden Keilflächen oder beispielsweise auch Spreiznoppen, die zum Abspreizen des Spreizteils führen können.It is irrelevant with what mechanism the expansion part in the first dimension of the tension is spread in the present invention. As has already been described, various solutions are known for this, in particular the use of cooperating wedge surfaces or, for example, expansion nubs, which can lead to the spreading of the expansion part.

Im folgenden werden bevorzugte Ausführungsbeispiele der Erfindung anhand der beigefügten Zeichnungen näher erläutert.

Fig. 1
ist eine perspektivische Darstellung eines erfindungsgemäßen Eckverbinders ohne Spreizeinrichtung;
Fig. 2
zeigt ein erfindungsgemäßes Spreizteil;
Fig. 3
zeigt einen Eckverbinder mit Spreizteil in einer perspektivischen Darstellung;
Fig. 4
zeigt den Eckverbinder gemäß Fig. 3 in seiner Stellung innerhalb eines metallischen Versteifungs-Hohlprofils;
Fig. 5
veranschaulicht in perspektivischer Darstellung eine erfindungsgemäße Spreizvorrichtung;
Fig. 6
ist ein Längsschnitt eines erfindungsgemäßen Spreizteils;
Fig. 7
veranschaulicht die Spreizvorrichtung mit dem Spreizteil in einem Längsschnitt.
In the following preferred embodiments of the invention will be explained in more detail with reference to the accompanying drawings.
Fig. 1
is a perspective view of a corner connector according to the invention without spreader;
Fig. 2
shows an inventive spreading part;
Fig. 3
shows a corner connector with spreading in a perspective view;
Fig. 4
shows the corner connector according to Fig. 3 in its position within a metallic stiffening hollow profile;
Fig. 5
illustrates a perspective view of a spreading device according to the invention;
Fig. 6
is a longitudinal section of an expansion member according to the invention;
Fig. 7
illustrates the spreading with the spreading in a longitudinal section.

In der Beschreibung und den Ansprüchen beziehen sich Richtungsangaben auf die Anordnung des Eckverbinders in Fig. 1 und 2.In the description and the claims, directional information refers to the arrangement of the corner connector in Fig. 1 and 2 ,

Fig. 1 ist eine perspektivische Darstellung eines erfindungsgemäßen Eckverbinders ohne die zugehörige Spreizvorrichtung und ohne ein Spreizteil. Der Eckverbinder besteht als solcher aus einem im Querschnitt rechteckigen Schaft 10 und einer diesen zu einer Seite abschließenden unter 45° geneigten Schrägfläche 12, die in einem Gehrungsbereich eines Fensterrahmens mit einer entsprechenden Schrägfläche verschweißbar ist. Der Schaft 10 weist auf seiner oberen Seite in Fig. 1 eine langgestreckte Kammer 14 auf, die zur Aufnahme eines beweglichen Spreizteils vorgesehen ist, das von dem Schaft 10 abgespreizt werden kann und auf diese Weise den Schaft in einem Hohlprofil verspannt. Dies kann beispielsweise, wie beim Stand der Technik, mit Hilfe von Keilelementen, oder auch mit Hilfe von Noppen erfolgen, wie anschlie-ßend erläutert werden soll. Fig. 1 is a perspective view of a corner connector according to the invention without the associated spreading and without a spreader. As such, the corner connector consists of a shaft 10, which is rectangular in cross-section, and an oblique surface 12 which tapers to one side and is inclined at 45 °, which can be welded to a corresponding oblique surface in a miter area of a window frame. The shaft 10 has on its upper side in Fig. 1 an elongated chamber 14, which is provided for receiving a movable expansion part, which can be spread apart from the shaft 10 and clamped in this way the shaft in a hollow profile. This can be done, for example, as in the prior art, with the help of wedge elements, or with the help of nubs, as will be explained later ßend.

Fig. 2 zeigt in entsprechender, perspektivischer Darstellung ein mögliches Spreizteil 16, das in die Kammer 14 gemäß Fig. 1 eingefügt werden kann und beispielsweise mit Hilfe eines verschiebbaren, nicht dargestellten Keils herausgedrückt werden kann. Das Spreizteil 16 ist gemäß der vorliegenden Ausführungsform in einer insgesamt U-förmigen Anordnung mit zwei seitlichen Spannbahnen 18,20 verbunden. Diese Spannbahnen 18,20 liegen gegen die nicht bezeichneten, in Fig. 1 senkrechten Seitenflächen an, die beiderseitig an die obere Seitenfläche, in der sich die Kammer 14 befindet, angrenzen. Diese beiden Seitenflächen des Schafts sind mit sattelförmigen Rippen 22 versehen, die sich in Längsrichtung des Schafts 10 erstrecken und parallel zueinander auf der entsprechenden Seitenfläche liegen. Fig. 2 shows in a corresponding, perspective view of a possible expansion part 16, the in the chamber 14 according to Fig. 1 can be inserted and, for example, with the help of a sliding, not shown wedge can be pushed out. The expansion part 16 is connected according to the present embodiment in an overall U-shaped arrangement with two lateral tension tracks 18,20. These tension tracks 18,20 lie against the not designated, in Fig. 1 vertical side surfaces on both sides of the upper side surface in which the chamber 14 is adjacent. These two side surfaces of the shaft are provided with saddle-shaped ribs 22 which extend in the longitudinal direction of the shaft 10 and lie parallel to each other on the corresponding side surface.

Die seitlich mit dem Spreizteil 16 verbundenden Spreizbahnen 18 und 20 sind wellenförmig ausgebildet und weisen eine Anzahl von Wellenbergen und Wellentälern auf, die in Längsrichtung des Schaftes 10 verlaufen und in ihrer Anordnung den Rippen 22 des Schaftes entsprechen. Wie dies verwirklicht ist, ergibt sich aus Fig. 3, die den Schaft 10 zusammen mit dem Spreizteil 16 und den beiden seitlich anhängenden Spreizbahnen 18 und 20 zeigt. Wenn das Spreizteil 16 durch eine geeignete Spreizvorrichtung angehoben wird, werden die beiden seitlichen Spreizbahnen 18 und 20 nach oben in Fig. 3 gezogen. Sie laufen dabei auf die Rippe 22 auf und werden dadurch abgespreizt. Zugleich mit der Verspannung in der ersten Dimension, nämlich der Vertikalrichtung in Fig. 3, erfolgt auch eine Verspannung in Querrichtung, also horizontal in Fig. 3.The laterally connected to the expansion part 16 Spreizbahnen 18 and 20 are wave-shaped and have a number of wave crests and troughs, which extend in the longitudinal direction of the shaft 10 and in their arrangement correspond to the ribs 22 of the shaft. How this is realized results from Fig. 3 showing the shaft 10 together with the spreader 16 and the two laterally adjacent spreaders 18 and 20. When the spreader 16 is lifted by a suitable spreader, the two lateral spreaders 18 and 20 become upwardly in Fig. 3 drawn. They run on the rib 22 and are thereby spread apart. At the same time with the tension in the first dimension, namely the vertical direction in Fig. 3 , Also takes a bracing in the transverse direction, ie horizontally in Fig. 3 ,

Fig. 4 entspricht Fig. 3, zeigt aber die Anordnung aus Eckverbinder und Spreizteil innerhalb eines Hohlprofils. Dabei handelt es sich nicht um ein Kunststoff-Hohlprofil, wie es zur Herstellung von Fenster- und Türrahmen verwendet wird, sondern um ein metallisches Vierkantprofil, das in das Kunststoff-Hohlprofil zur Versteifung üblicherweise eingesetzt wird. Der erfindungsgemäße Eckverbinder ist daher gleichermaßen verwendbar für den Einsatz eines metallischen Versteifungsprofils als auch zur unmittelbaren Verwendung innerhalb eines Fenster- und Türrahmenprofils. Es ist hier darauf hinzuweisen, dass üblicherweise die Versteifungsprofile nicht auf Gehrung geschnitten werden, wie Fig. 4 zeigt. Fig. 4 corresponds to Fig. 3 but shows the arrangement of corner connector and spreader within a hollow profile. It is not a plastic hollow profile, as it is used for the production of window and door frames, but a metallic square profile, which is usually used in the plastic hollow profile for stiffening. The corner connector according to the invention is therefore equally usable for the use of a metallic stiffening profile as well as for immediate use within a window and door frame profile. It should be noted here that usually the stiffening profiles are not mitred, such as Fig. 4 shows.

Fig. 5 zeigt ein Zugband, das beispielsweise als Spreizorgan zum Abspreizen des Spreizteils 16 verwendet werden kann. In diesem Zusammenhang soll auf Fig. 6 und 7 hingewiesen werden. Während das Zugband, das in Fig. 5 gezeigt ist, eine Spreizvorrichtung bildet, ist das Spreizteil 16 mit dieser Spreizvorrichtung zusammen in Fig. 6 und 7 gezeigt. Während das als Spreizvorrichtung 24 dienende Zugband gemäß Fig. 5 mit einer Reihe von Noppen 26,28,30 versehen ist, weist das Spreizteil 16 an seiner Unterseite eine entsprechende Anzahl von kuppelförmigen Ausnehmen 32,34,36 auf, die die Noppen übergreifen. Wenn die Spreizvorrichtung, nämlich das erwähnte Zugband z.B. nach rechts in Fig. 7 gezogen wird, laufen die Noppen 16,28,30 nach rechts in Fig. 7 in den Randbereich der kuppelartigen Ausnehmung und heben das Spreizteil 16 an. Das Spreizteil wird mit dem Schaft 10 in dem Versteifungsprofil, das in Fig. 4 mit 38 bezeichnet ist, verspannt. Fig. 5 shows a drawstring, which can be used for example as a spreading member for spreading of the expansion part 16. In this connection should be on 6 and 7 be pointed out. While the drawstring is in Fig. 5 is shown forming a spreading device, the expansion part 16 with this spreading device together in 6 and 7 shown. While serving as spreader 24 tension band according to Fig. 5 is provided with a series of nubs 26,28,30, the spreader 16 has on its underside a corresponding number of dome-shaped exceptions 32,34,36, which engage over the knobs. When the spreading device, namely the mentioned drawstring, for example, to the right in Fig. 7 is pulled, the pimples 16,28,30 run right in Fig. 7 in the edge region of the dome-like recess and lift the spreader 16 at. The expansion part is connected to the shaft 10 in the stiffening profile, which in Fig. 4 denoted by 38, braced.

Die Verspannung des Eckverbinders mit Hilfe des Spreizteils 16 und der Spreizvorrichtung 24 sind naturgemäß nur als Beispiel zu verstehen. Jede andere Verspannungseinrichtung, wie sie in den eingangs genannten Druckschriften beschrieben worden ist, ist ebenfalls verwendbar.The bracing of the corner connector by means of the expansion part 16 and the spreading device 24 are naturally only to be understood as an example. Any other tensioning device, as has been described in the publications mentioned above, is also usable.

Ergänzend ist zu erwähnen, dass die Oberflächenpaarung zwischen den seitlichen Rippen und den Wellen des Spreizmantels selbsthemmend ausgebildet sein muß, damit die seitlichen Spreizflächen eine einmal erreichte Stellung nicht wieder durch Zurückrutschen verlieren.In addition, it should be mentioned that the surface pairing between the lateral ribs and the waves of the expansion jacket must be designed to be self-locking, so that the lateral expansion surfaces do not lose a position once again by slipping back.

Welche Art von Spreizteil hier verwendet wird, ist nicht wesentlich. Es sollte sich jedoch in jedem Fall um ein Wirkprinzip handeln, bei dem das Spreizteil über die gesamte Länge gleichmäßig angehoben wird. Dies könnte etwa ein Keil sein, wie er in den eingangs genannten Schriften erwähnt wird. Weniger geeignet sind Systeme, bei denen der Eckverbinder an seinem hinteren Ende auseinandergedrückt wird, wie es bei einigen Eckverbindern der Fall ist. Diese Eckverbinder tragen sie im wesentlichen nur in ihrem äußersten hinteren Endbereich.What type of spreader is used here is not essential. However, it should in any case be a working principle in which the spreader is raised evenly over the entire length. This could be about a wedge, as mentioned in the aforementioned documents. Less suitable are systems in which the corner connector is pushed apart at its rear end, as is the case with some corner connectors. These corner joints carry them essentially only in their extreme rear end.

Claims (3)

  1. Corner connector for door and window frames, having a shaft (10) with a rectangular cross section to be inserted into a mitred hollow frame profile and an inclined surface (12) terminating the shaft, being weldable or bondable and being disposed according to the miter of the hollow profile, said shaft (10) being provided with a chamber (14) for receiving a movable spreading part (16), the spreading part (16), and a spreading device (24) spreading the spreading part (16) from the rectangular faces of the shaft for clamping the shaft within the hollow profile, characterized in that the spreading part (16) is connected with two lateral spreader surfaces (18,20) in a generally U-shaped arrangement, which are contacting vertical lateral faces which adjoin at both sides to an upper lateral surface in which the chamber (14) is located, wherein the spreader surfaces (18,20) are lifted and pulled in an upward direction when the spreading part (16) is spread and run onto saddle-shaped rips (22) and are spread by this movement, wherein the rips (22) extend in the length direction of the shaft (10) and parallel to another on the respective lateral surface, wherein the spreader surfaces (18,20) are wave shaped and comprise a number of peaks and valleys extending in the length direction of the shaft (10) and correspond to the rips (22) in their arrangement.
  2. Corner connector according to claim 1, characterized in that the pairing of the surfaces between the rips (22) and the waves of the spreader surfaces (18,20) is self-inhibiting in a way that a slipping back is impossible once after a position is reached.
  3. Corner connector according to claim 2, characterized in that the engaging surfaces comprise a grid.
EP08011190.9A 2007-07-02 2008-06-19 Corner joint for door and window frames Active EP2011949B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SI200831571T SI2011949T1 (en) 2007-07-02 2008-06-19 Corner joint for door and window frames
PL08011190T PL2011949T3 (en) 2007-07-02 2008-06-19 Corner joint for door and window frames
HRP20160197T HRP20160197T1 (en) 2007-07-02 2016-02-25 Edge joints for door and window frames

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007030618A DE102007030618B3 (en) 2007-07-02 2007-07-02 Corner connector for door and window frames

Publications (3)

Publication Number Publication Date
EP2011949A2 EP2011949A2 (en) 2009-01-07
EP2011949A3 EP2011949A3 (en) 2011-05-25
EP2011949B1 true EP2011949B1 (en) 2016-01-06

Family

ID=39765242

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08011190.9A Active EP2011949B1 (en) 2007-07-02 2008-06-19 Corner joint for door and window frames

Country Status (6)

Country Link
EP (1) EP2011949B1 (en)
DE (1) DE102007030618B3 (en)
HR (1) HRP20160197T1 (en)
HU (1) HUE026941T2 (en)
PL (1) PL2011949T3 (en)
SI (1) SI2011949T1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008008250U1 (en) 2008-06-19 2008-09-11 Grotefeld, Hans Dieter Corner connector
DE202008008249U1 (en) 2008-06-19 2008-09-11 Grotefeld, Hans Dieter Corner connector for door and window frames
EP2873795B1 (en) * 2013-11-14 2018-02-28 Hans Dieter Grotefeld Corner connectors for door and window frames
GB2571912B (en) * 2018-02-06 2022-05-11 Thomas Investment Holdings Ltd A method of connecting hollow members
DE202022106054U1 (en) * 2022-10-27 2022-11-10 Ćamil Sulejmanagić corner connector
DE102023102127A1 (en) 2023-01-30 2024-08-01 PHI Technik für Fenster und Türen GmbH Corner connector with expansion element
DE202023100415U1 (en) 2023-01-30 2023-02-09 PHI Technik für Fenster und Türen GmbH Corner connector with expansion element
DE202024101337U1 (en) 2024-03-15 2024-04-15 PHI Technik für Fenster und Türen GmbH Corner connectors
DE202024103074U1 (en) 2024-06-10 2024-06-27 PHI Technik für Fenster und Türen GmbH Corner connectors

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1930039C3 (en) * 1969-06-13 1975-01-30 Heinz Schuermann & Co, 4800 Bielefeld Multi-part corner connector for profiles, pipes or the like
DE8910401U1 (en) * 1989-08-31 1989-10-26 Grotefeld, Hans Dieter, 4970 Bad Oeynhausen Corner connectors for door or window frames
DE9113235U1 (en) * 1990-11-26 1991-12-05 PHI Reichel GmbH, 8534 Wilhermsdorf Corner connectors
DE19842978C1 (en) * 1998-09-19 2000-01-13 Deflex Dichtsysteme Gmbh Connector for window or door frame profile
ATE267331T1 (en) * 1999-05-18 2004-06-15 Hans Dieter Grotefeld CORNER CONNECTOR FOR HOLLOW DOOR OR WINDOW PROFILES
DE10039403C1 (en) * 2000-08-11 2001-12-13 Reichel Phi Gmbh Corner connector for hollow plastics door or window profiles has shaft part and relatively displaced sliding body used for expansion of anchoring arms
DE10210309B4 (en) * 2002-03-08 2004-01-29 Phi Reichel Gmbh Corner connector

Also Published As

Publication number Publication date
EP2011949A3 (en) 2011-05-25
HRP20160197T1 (en) 2016-03-25
EP2011949A2 (en) 2009-01-07
HUE026941T2 (en) 2016-08-29
DE102007030618B3 (en) 2009-03-05
PL2011949T3 (en) 2016-06-30
SI2011949T1 (en) 2016-02-29

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