EP0392342B1 - Metal and wood compound window - Google Patents

Metal and wood compound window Download PDF

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Publication number
EP0392342B1
EP0392342B1 EP90106488A EP90106488A EP0392342B1 EP 0392342 B1 EP0392342 B1 EP 0392342B1 EP 90106488 A EP90106488 A EP 90106488A EP 90106488 A EP90106488 A EP 90106488A EP 0392342 B1 EP0392342 B1 EP 0392342B1
Authority
EP
European Patent Office
Prior art keywords
legs
wood
latch
metal
plug
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP90106488A
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German (de)
French (fr)
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EP0392342A3 (en
EP0392342A2 (en
Inventor
Hans Emmer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LANCO LANGE FENSTER- UND FASSADENBAU GESELLSCHAFT
Original Assignee
Lanco Lange Fenster- und Fassadenbau GmbH
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Application filed by Lanco Lange Fenster- und Fassadenbau GmbH filed Critical Lanco Lange Fenster- und Fassadenbau GmbH
Priority to AT90106488T priority Critical patent/ATE98331T1/en
Publication of EP0392342A2 publication Critical patent/EP0392342A2/en
Publication of EP0392342A3 publication Critical patent/EP0392342A3/en
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Publication of EP0392342B1 publication Critical patent/EP0392342B1/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
    • E06B3/04—Wing frames not characterised by the manner of movement
    • E06B3/263—Frames with special provision for insulation
    • E06B3/26341—Frames with special provision for insulation comprising only one metal frame member combined with an insulating frame member
    • 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
    • E06B3/30—Coverings, e.g. protecting against weather, for decorative purposes
    • E06B3/301—Coverings, e.g. protecting against weather, for decorative purposes consisting of prefabricated profiled members or glass
    • E06B3/302—Covering wooden frames with metal or plastic profiled members

Definitions

  • the invention relates to a wood / metal window with a frame and a sash made of wood and a front outer shell made of metal profile sections, each metal profile section being held on the frame or the sash with concealed, local clip connectors.
  • a wood / metal window is understood to be a window which is essentially a wooden window on which metal profile sections, usually made of extruded aluminum profile, are arranged in front of the outside. These metal profile sections are fastened to the frame with clip connectors.
  • CH-A-492 864 shows a wood / metal window with the features specified in the preamble of claim 1.
  • concealed local clip connectors made of short profile pieces are used, which are inserted into a groove on the frame or on the casement and fixed with screws.
  • the clip connectors On the side of the metal profile sections, i.e. acting on one side, the clip connectors each have a resilient support leg and a leg with an undercut, so that the metal profile sections, also in the form of a frame, can be connected to the blind and / or sash frame by a type of snap lock .
  • the clip connectors each have an angled leg on a web facing the frame or sash, which can be inserted into the groove on the frame or sash, the position of which is then secured by the screws to be inserted.
  • the clip connector has no resilient flexibility in the direction of the two wooden frames. On the contrary, it must be particularly rigid and unyielding for proper fastening in this regard. So the clip connector works only on one side in the direction of the metal profile sections. Openings can be provided in the metal profile sections in order to pivot the resilient support legs so that the latching lock is released for the purpose of releasing the metal profile sections.
  • a frame made of metal and plastic for windows, doors or the like in which inner and outer frame parts made of metal are locally connected to one another by several short plastic intermediate layers.
  • the two metal frame parts to be connected each have an identically shaped recess with projections projecting inwards.
  • the plastic intermediate layer has an H-shaped cross section, the free ends of the legs being equipped with corresponding projections.
  • the web extending between the legs in the axis of symmetry is extended beyond the legs in order to keep the metal frame parts at a distance.
  • the metal profile bars can be easily connected to one another with the aid of the plastic intermediate layers to be used, and it is also relatively easy to separate the two metal profile bars from one another if pushing apart is not possible, for example because of attached angle pieces.
  • the legs of each pair of legs pivot elastically towards one another until the projections on the four legs of the intermediate layer have engaged behind the four projections on the two metal profile bars. Both pairs of legs then spring back slightly.
  • the plastic intermediate layer is in each of the legs of the pair of legs formed cavities driven a wedge arm of a C-shaped wedge.
  • FR-A-2 081 740 it is known to connect two profiles to one another in a thermally insulated manner, one profile being part of an outer shell and the other profile being part of an inner shell.
  • semi-rigid connecting elements are used, which have an approximately H-shaped cross section, which is formed from two flange beams and a central web. At the free ends of the flange beams, projections are provided which engage in grooves in the profiles to be connected to one another.
  • the transverse elasticity of the connecting element is used.
  • This transverse elasticity can be achieved in that the central web is made of particularly elastic plastic, so that it can be compressed, so that the stiffer flange beams perform a transverse movement towards one another, which is due to the resilience of the central web after the engagement of the connecting elements in the grooves of both profiles is eliminated again.
  • a curable plastic foam is then injected onto the strip-shaped connecting elements, which also fills both the chambers formed through openings in the central web, so that a firm, resistant connection between the profiles is achieved.
  • Another form of the smooth movement of the flange beams transversely to their connecting direction can be achieved in that the central web is made relatively firm so that when the strip-shaped connecting elements are attached, all four legs are pivoted under angling on the central web until the projections on the free ends of the legs have engaged in the grooves of the profiles.
  • foaming is carried out again.
  • the free ends of the legs of the strip-shaped connecting elements can also be omitted by eliminating a central web via deformable wall parts be connected directly to one another, so that the connecting elements then have an approximately box-shaped, closed cross-sectional profile.
  • the connecting elements are inserted on the profiles to be connected to one another, the flange beams move in the same direction towards one another.
  • Foaming is also carried out in these cases, ie the strip-shaped connecting element loses its transverse elasticity through a second, separate connecting or blocking element, namely the plastic foam.
  • the invention has for its object to develop a wood / metal window of the type specified in the preamble of claim 1 in such a way that the mounting of the metal profile sections on the frame or the sash is easily possible without screwing.
  • the clip connectors are designed as plug-in / locking connecting elements which interact with the metal profile section on the one hand and the window frame or the sash frame on the other hand, projecting both in the direction of the metal profile section and in the direction of the window frame or in the sash frame oppositely acting pairs of legs made of two essentially rigid flange beams and a flexible central web have grooves in the frame or in the sash frame to provide a first plug / snap connection of the relevant legs of the one pair of legs, and that the first plug / snap connection of one pair of legs is additionally held, secured and locked by the introduction of a second plug / snap connection of the other pair of legs.
  • the clip connector has legs protruding on both sides, which come into operative connection with the wooden frame and the metal profile section. For anchoring in the frame and in the casement only grooves must be provided in these wooden parts, but these can be produced in one operation with the profile milling of these parts, so that the effort is not increased.
  • These grooves not only allow the clip connectors to be easily attached in such a way that their aligned arrangement along the groove is automatically achieved.
  • the protruding legs in connection with the grooves also result in a local anchoring in the grooves of the casement or the frame by snapping the connecting elements into place.
  • the clip connectors can easily be arranged with a smaller or larger mutual distance without changing the cross-section of the casement and / or the window frame.
  • a particular advantage of these plug / snap connection elements is that the connection to the one part, for example to the frame, is still stabilized by their special design in that ultimately the second plug / snap connection, namely to the metal profile section, is brought about becomes.
  • the clip connectors are also very simply constructed molded parts that are designed to be functional and load-bearing. They can be manufactured very cheaply in large quantities as plastic molded parts.
  • a main advantage is the ease of use, which speeds up assembly considerably.
  • the double-acting plug-in / locking connecting element expediently has an H-shaped cross-section, on which two stiff flange beams and a comparatively flexible central web are provided, with each pair of legs being formed from the flange beams, one of which in the direction of the metal profile section and the other protrudes towards the frame or the sash.
  • the cross-sectional design here is similar to a clothes peg, in which two essentially rigid flange beams are provided, which are connected to one another by a flexible central web, which can also have a joint function. From the level of the central web, two pairs of legs are thus formed, which behave in opposite directions: if one pair of legs is pressed together, the other pair of legs widens in a muzzle shape and vice versa.
  • This movement geometry is now used as a molded part made of plastic on the basis of this clip connector designed in this way in order to utilize the plug-in / snap-in connection on both sides as seen from the plane of the central web. This ensures that the first plug-in connection is additionally held, secured and locked by introducing the second plug-in connection.
  • the legs of the pair of legs can have locking ribs or locking lugs in the region of their free ends.
  • All locking ribs or locking lugs on the legs of the pair of legs of the plug-in / locking connecting elements are provided inwards or outwards.
  • the pair of legs facing the frame or the sash frame can have projections for securing the plug-in / locking connecting element against lateral displacement or slipping.
  • These projections claw after inserting the clip connector into the wooden component and in particular after placing the metal profile sections in the relevant groove, so that lateral movement along the groove is reliably prevented. This is particularly useful for those clip connectors that are used in the upright area of a window. But even with the horizontal pieces of a window, this training is in no way harmful.
  • the pair of legs facing the metal profile section can have a flexible tongue on one leg, on which the one latching rib, latching nose is arranged; an opening for the passage of a tool for releasing the latching connection is then provided on the other leg.
  • This release of the locking connection is expedient on the side of the outer shell, that is, the metal profile sections, in particular in the area of the casement, if z. B. a broken disc is to be replaced.
  • the design shown enables the clip connector to be released non-destructively, as a result of which the metal profile section can be removed. The clip connectors remain in place and after inserting the new pane, the metal profile sections are put back on.
  • the clip connectors are designed such that they are destroyed during such a pane change. Since the clip connector as Bulk items are very inexpensive to produce, new clip connectors can also be used with this insertion of a disc. In any case, the destructive removal of the clip connector means effort compared to the non-destructive loosening.
  • the legs of both pairs of legs can have approximately the same length. However, it is not harmful if one leg of a pair of legs has the same or different length in comparison to the other leg.
  • the design must also be coordinated according to the flexibility of the selected material so that the plug-in / snap-in connecting elements can be used without destruction.
  • the locking ribs, locking lugs or the like can have inclined sliding surfaces to make it easier to slide on, so that it is initially only necessary to attach the clip connectors to spread them out or together at the appropriate point and then insert them via a wooden profile part or into a groove of such a wooden profile part .
  • the plug-in / snap-in connecting elements can be formed as molded parts made of plastic. Injection molding is sensible and possible, but the parts can also be formed as sections of extruded profiles.
  • the tongue can only extend over part of the width of the leg, while the remaining parts of the leg are designed as guide walls. This is conducive to training that meets the requirements.
  • the tongue can be made shorter than the guide walls, the flexibility being brought about by the reduced wall thickness of the tongue.
  • the plastic material of the clip connector should or should not absorb the forces that occur can accommodate, there is the possibility to reinforce the clip connector by a spring clip made of resilient material, especially spring steel.
  • the clip connectors can continue to be made in one piece or else split. With split training, there is the possibility to design the spring clip so that it also serves to hold the parts of the clip connector together.
  • a frame 1 and a sash 2 is shown in section.
  • a metal profile section 4 is connected to the frame 1 via a clip connector 3 and is arranged in front in front.
  • a further metal profile section 5 is connected to the sash frame 2 via a clip connector 6, which is basically of the same or similar design as the clip connector 3.
  • a plurality of clip connectors 3, 6, which are arranged at appropriate intervals, are always used above the metal profile sections 4, 5.
  • a seal 8 is inserted into a groove 7 of the frame 1, which additionally engages behind a rib 9 on the metal profile section 8.
  • the metal profile section 5 carries a seal 10. Associated with this is a seal 11 on the casement 3, so that a disc 12 is received or pressed between the seals 10 and 11. There is dry pressure glazing.
  • the clip connectors 3 and 6 have a comparatively flexible central web 13 on which two comparatively less flexible flange beams 14 and 15 are provided protruding or protruding from the plane of the central web 3 on both sides. These flange bars 14 and 15 form on the side of the frame 1 and the sash 2 a pair of legs 16 which faces the interior 17. Also on the other side, ie in the direction of an outer space 18, the flange beams 14 and 15 form a pair of legs 19. While the clip connector 3 has only this pair of legs 19 on its side facing the outer space 18, the clip connector 6 additionally has a flexible tongue 20, which is indicated by dashed lines in Figure 1.
  • Both pairs of legs 16 and 19 or all four free ends of the flange beams 14 and 15 are provided with locking ribs, locking lugs or the like. 21, 22, the locking rib 22 being arranged in the region of the flange beam 14 of the clip connector 6 on the tongue 20 while the remaining parts of the flange bar 14 are formed on this side without such a locking rib. It also appears possible to provide the flexible tongue 20 twice, that is to say in the area of both flange jaws 14 and 15.
  • the metal profile section 4 has the continuous bars 23, 24 facing the flange bars 14 and 15, which are provided with lugs 25 assigned to the locking ribs 22.
  • the frame 1 has a comparatively large cross-sectional groove 26, which can have either a rectangular or a T-shaped cross section.
  • the locking ribs 21 extend over the length of the clip connector 3. If a rectangular cross section of the groove 26 is used, then the locking ribs 21 are expediently divided into local tips, which claw in the wood of the frame 1 after the clip connector has been inserted.
  • the pair of legs 19 is spread apart, so that the Moving legs of the pair of legs 16 towards each other, as shown in Figure 2 in an intermediate step.
  • the clip connector 3 as a molded plastic part must understandably be matched in its individual geometric dimensions to the plastic material used, so that it takes part in this movement.
  • the clip connector 3 is pushed in to the bottom of the groove 26, the spreading of the pair of flanges 19 is canceled, the locking ribs 21 already engaging in the T-shaped groove 26 or at least partially digging into the wood of the frame.
  • the metal profile section 4 is then pressed on from the outside, the flange bars 14 and 15 now carrying out a reverse movement by moving the pair of legs 19 towards one another and the pair of legs 16 intending to carry out a spreading movement in the manner of a jaw opening.
  • the flange beams 14 and 15 can also be flexible in themselves, so that it is possible to slide the metal profile section 4 until the lugs 25 engage behind the locking ribs 22. The correct installation condition is thus achieved. It can be seen that the first plug / snap connection of the clip connector 3 on the frame 1 is secured by attaching the second plug / snap connection on the metal profile section 4.
  • the clip connector 6 is also installed in a corresponding manner: Here the pair of legs 19 is pressed together, so that the pair of legs 16 expands, so that the locking ribs 21 can enter into two grooves 27 and 28 on the casement 2.
  • An intermediate position is shown in Figure 4.
  • the latching ribs 21 can have protrusions (not shown) or also cutting-like extensions 29 at their free end, which are at least during the introduction the second plug / snap connection claw into the wood of the casement 2.
  • This second plug / snap connection on the clip connector 6 is brought about in that the metal profile section 5 is then pressed on.
  • the metal profile section 5 has corresponding webs 30 and 31, which are provided with lugs 32 at their ends.
  • the webs 30 and 31 functionally correspond to the webs 23 and 24, apart from the difference that the webs 23 and 24 surround the clip connector 3 from the outside, while the webs 30 and 31 engage the clip connector 6 from the inside.
  • the nose 32 on the web 30 cooperates with the locking rib 22 of the tongue 20.
  • An opening 33 is provided in the flange bar 15 below the tongue 20, so that a tool, for example a screwdriver or the like, can be passed from here in order to pivot the tongue 20 away from its latching on the web 30 in order to achieve the release position. This can be necessary once when the disc 12 is to be replaced. However, it would also be possible to destroy the clip connector 6 in the region of the flange beam 15 and then to install and use new clip connectors 6 after inserting the new disk 12.
  • the clip connector 6 already described with reference to FIGS. 1 and 4 is used in the area of the casement.
  • a further clip connector 34 is shown in the area of the frame 1.
  • This clip connector 34 is designed similarly to the clip connector 6.
  • An H-shaped cross section is also provided here.
  • the central web 13 is bridged by flange beams 14 and 15, which in turn form flange pairs 16 and 19.
  • a tongue 20 is again provided on the flange bar 14 is flexible.
  • the associated metal profile section 4 here has webs 30 and 31 which engage from the inside, on the free ends of which lugs 32 are provided which cooperate with locking ribs 22 on the flange bar 15 and the tongue 20.
  • the pair of legs 16 engages in two separate grooves 35 and 36 in the frame 1, which are functionally comparable to the grooves 27 and 28 in the sash 2 of Figure 1.
  • the locking ribs 21 are expediently broken down into individual projections so that the grooves 35 and 36 can be milled with a rectangular cross section.
  • FIG. 5 shows a clip connector 6 in perspective.
  • the locking lugs 22 can have inclined sliding surfaces 37 so that the second plug-in / locking connection can be made more easily. Such sliding surfaces can also be provided in the area of the other locking ribs 21, 22 for easier sliding on.
  • FIG. 5 clearly shows that the tongue 20 only extends over part of the length of the clip connector 6. If the total length of the clip connector 6 is 30 mm, for example, the length of the tongue 20 can be approximately 12 mm.
  • the parts of the flange bar 14 that remain to the right and left of the tongue thus perform a guiding function when the metal profile section 5 is inserted.
  • the tongue 20 can be made thin-walled in its cross section in order to promote flexibility. Comparatively rigid guide walls 38 alternate with the flexible tongue 20 here.
  • FIGS. 6 and 7 show a further embodiment of a clip connector 39, which is likewise designed as a one-piece plastic injection-molded part, but is reinforced by two spring clips 40 inserted into openings in the plastic injection-molded part, the upper and lower ends of which penetrate the plastic injection-molded part.
  • the plastic injection molded part is similar in itself formed as in the embodiment of Figures 4 and 5.
  • the wall thickness can be chosen smaller here. It is also possible to use another plastic that has greater elasticity, for example.
  • FIGS. 8 and 9 shows a clip connector 41 which is composed of the two parts 42 and 43, which are produced as separate injection-molded plastic parts.
  • a spring clip 44 serves not only to increase or provide the spring force, but also to hold the two parts 42 and 43 of the clip connector 41 together.
  • the spring clips 40 and 44 can also have other shapes . Variants with leg springs and bearing bolts are also conceivable, but are not shown for the sake of clarity.

Abstract

A wood/metal window comprises a window frame (1) and a wing frame (2) made of wood and in each case a preceding outer shell consisting of metal profile sections (4, 5), each metal profile section (4, 5) being held on the window frame (1) or the wing frame (2) by means of local clip connectors (3, 6) which are arranged in a concealed manner. The clip connectors (3, 6) are designed as plug-in/lockable connection elements acting on both sides and having limbs which project both towards the metal profile section (4 or 5) and towards the window frame (1) or the wing frame (2). Grooves (26, 27, 28) for receiving and anchoring the respective limb are provided in the window frame (1) or in the wing frame (2). <IMAGE>

Description

Die Erfindung bezieht sich auf ein Holz/Metall-Fenster mit einem Blendrahmen und einem Flügelrahmen aus Holz und je einer vorgesetzten Außenschale aus Metallprofilabschnitten, wobei jeder Metallprofilabschnitt mit verdeckt angeordneten, örtlichen Clipsverbindern an dem Blendrahmen oder dem Flügelrahmen gehalten ist. Unter einem Holz/Metall-Fenster wird ein Fenster verstanden, welches im wesentlichen ein Holzfenster ist, an dem Metallprofilabschnitte, meist aus Aluminiumstrangpreßprofil, nach der Außenseite vorgesetzt angeordnet sind. Diese Metallprofilabschnitte werden mit Clipsverbindern an dem Blendrahmen befestigt.The invention relates to a wood / metal window with a frame and a sash made of wood and a front outer shell made of metal profile sections, each metal profile section being held on the frame or the sash with concealed, local clip connectors. A wood / metal window is understood to be a window which is essentially a wooden window on which metal profile sections, usually made of extruded aluminum profile, are arranged in front of the outside. These metal profile sections are fastened to the frame with clip connectors.

Die CH-A- 492 864 zeigt ein Holz/Metall-Fenster mit den im Oberbegriff des Anspruchs 1 angegebenen Merkmalen. Zur Verbindung zwischen den Rahmen aus Holz und den Metallprofilabschnitten dienen verdeckt angeordnete örtliche Clipsverbinder aus kurzen Profilstücken, die abständig zueinander in eine Nut am Blendrahmen oder am Flügelrahmen eingesteckt und mit Schrauben befestigt werden. Nach der Seite der Metallprofilabschnitte, also einseitig wirkend, weisen die Clipsverbinder je einen federnden Tragschenkel und einen Schenkel mit einer Hinterschneidung auf, so daß die Metallprofilabschnitte, auch in Form eines Rahmens, durch eine Art Rastverschluß mit dem Blend- und/oder Flügelrahmen verbindbar sind. Die Clipsverbinder weisen an jeweils einem dem Blend- oder Flügelrahmen zugekehrten Steg einen abgewinkelten Schenkel auf, der in die Nut am Blendrahmen oder Flügelrahmen einführbar ist, dessen Lage dann durch die einzusetzenden Schrauben gesichert wird. In Richtung auf die beiden Holzrahmen weist der Clipsverbinder keine federnde Nachgiebigkeit auf. Er muß im Gegenteil für eine ordnungsgemäße Befestigung diesbezüglich besonders starr und unnachgiebig ausgebildet sein. Damit wirkt der Clipsverbinder nur einseitig in Richtung auf die Metallprofilabschnitte. In den Metallprofilabschnitten können Durchbrechungen vorgesehen sein, um zum Zwecke des Lösens der Metallprofilabschnitte die federnden Tragschenkel so abzuschwenken, daß der Rastverschluß freigegeben wird.CH-A-492 864 shows a wood / metal window with the features specified in the preamble of claim 1. For the connection between the frame made of wood and the metal profile sections, concealed local clip connectors made of short profile pieces are used, which are inserted into a groove on the frame or on the casement and fixed with screws. On the side of the metal profile sections, i.e. acting on one side, the clip connectors each have a resilient support leg and a leg with an undercut, so that the metal profile sections, also in the form of a frame, can be connected to the blind and / or sash frame by a type of snap lock . The clip connectors each have an angled leg on a web facing the frame or sash, which can be inserted into the groove on the frame or sash, the position of which is then secured by the screws to be inserted. The clip connector has no resilient flexibility in the direction of the two wooden frames. On the contrary, it must be particularly rigid and unyielding for proper fastening in this regard. So the clip connector works only on one side in the direction of the metal profile sections. Openings can be provided in the metal profile sections in order to pivot the resilient support legs so that the latching lock is released for the purpose of releasing the metal profile sections.

Aus der DE-B-19 55 591 ist ein Rahmen aus Metall und Kunststoff für Fenster, Türen o. dgl. bekannt, bei dem innere und äußere Rahmenteile aus Metall durch mehrere kurze Kunststoffzwischenlagen örtlich miteinander verbunden werden. Die beiden zu verbindenden Rahmenteile aus Metall weisen eine jeweils identisch gestaltete Ausnehmung mit nach innen abstehenden Vorsprüngen auf. Die Kunststoffzwischenlage weist einen H-förmigen Querschnitt auf, wobei die freien Enden der Schenkel mit entsprechenden Vorsprüngen ausgestattet sind. Der sich zwischen den Schenkeln in der Symmetrieachse erstreckende Steg ist über die Schenkel hinaus verlängert, um die metallenen Rahmenteile auf Abstand zu halten. Dies hat den Vorteil, daß die Metallprofilstäbe mit Hilfe der einzusetzenden Kunststoffzwischenlagen leicht miteinander verbindbar sind und es auch verhältnismäßig einfach möglich ist, die beiden Metallprofilstäbe voneinander zu trennen, wenn ein Auseinanderschieben beispielsweise wegen angesetzter Winkelstücke nicht möglich ist. Beim Verbindungsvorgang zwischen der Kunststoffzwischenlage und den beiden Metallprofilstäben verschwenken die Schenkel jedes Schenkelpaares in elastischer Weise gleichförmig aufeinander zu, bis die Vorsprünge an den vier Schenkel der Zwischenlage die vier Vorsprünge an den beiden Metallprofilstäben hintergriffen haben. Beide Schenkelpaare federn dann wieder etwas auf. Um jegliches Wackeln der Kunststoffzwischenlagen in der Verbindungsstellung an den Metallstäben zu verhindern, jedoch Verschiebungen in Form thermisch bedingter Längenveränderungen zuzulassen, ist in jedem der von den Schenkeln der Schenkelpaare der Kunststoffzwischenlage gebildeten Hohlräume ein Keilarm eines C-förmigen Keils eingetrieben.From DE-B-19 55 591 a frame made of metal and plastic for windows, doors or the like is known, in which inner and outer frame parts made of metal are locally connected to one another by several short plastic intermediate layers. The two metal frame parts to be connected each have an identically shaped recess with projections projecting inwards. The plastic intermediate layer has an H-shaped cross section, the free ends of the legs being equipped with corresponding projections. The web extending between the legs in the axis of symmetry is extended beyond the legs in order to keep the metal frame parts at a distance. This has the advantage that the metal profile bars can be easily connected to one another with the aid of the plastic intermediate layers to be used, and it is also relatively easy to separate the two metal profile bars from one another if pushing apart is not possible, for example because of attached angle pieces. During the connection process between the plastic intermediate layer and the two metal profile bars, the legs of each pair of legs pivot elastically towards one another until the projections on the four legs of the intermediate layer have engaged behind the four projections on the two metal profile bars. Both pairs of legs then spring back slightly. In order to prevent any wobbling of the plastic intermediate layers in the connection position on the metal rods, but to allow displacements in the form of thermally induced length changes, the plastic intermediate layer is in each of the legs of the pair of legs formed cavities driven a wedge arm of a C-shaped wedge.

Aus der FR-A- 2 081 740 ist es bekannt, zwei Profile thermisch isoliert miteinander zu verbinden, wobei das eine Profil Bestandteil einer Außenschale und das andere Profil Bestandteil einer Innenschale sein kann. Hierzu werden halbfeste Verbindungselemente eingesetzt, die etwa H-förmigen Querschnitt aufweisen, der aus zwei Flanschbalken und einem Mittelsteg gebildet ist. An den freien Enden der Flanschbalken sind Vorsprünge vorgesehen, die in Nuten der miteinander zu verbindenden Profile eingreifen. Um die Verbindungselemente in die Nuten der Profile einzusetzen, wird die Querelastizität des Verbindungselements genutzt. Diese Querelastizität kann dadurch erreicht werden, daß der Mittelsteg aus besonders elastischem Kunststoff besteht, so daß dieser zusammendrückbar ist, so daß die steifer ausgebildeten Flanschbalken eine Querbewegung aufeinander zu ausführen, die durch das Rückfederungsvermögen des Mittelstegs nach dem Eingreifen der Verbindungselemente in die Nuten beider Profile wieder beseitigt wird. Anschließend wird ein aushärtbarer Kunststoffschaum an den leistenförmigen Verbindungselementen eingespritzt, der auch durch Durchbrechungen im Mittelsteg beide gebildeten Kammern ausfüllt, so daß eine feste, widerstandsfähige Verbindung zwischen den Profilen erreicht wird. Eine andere Form der gleichläufigen Bewegung der Flanschbalken quer zu ihrer Verbindungsrichtung kann dadurch erreicht werden, daß der Mittelsteg relativ fest ausgebildet wird um beim Ansetzen der leistenförmigen Verbindungselemente sämtliche vier Schenkel unter Abwinkelung am Mittelsteg verschwenken, bis auch hier die Vorsprünge an den freien Enden der Schenkel in die Nuten der Profile eingegriffen haben. Auch hier wird anschließend wieder ausgeschäumt. Die freien Enden der Schenkel der leistenförmigen Verbindungselemente können auch unter Wegfall unter Wegfall eines Mittelstegs über deformierbare Wandteile direkt miteinander verbunden sein, so daß dann die Verbindungselemente ein etwa kastenförmiges, geschlossenes Querschnittsprofil aufweisen. Auch in diesen Fällen findet beim Einsetzen der Verbindungselemente an den miteinander zu verbindenden Profilen eine gleichläufige Bewegung der Flanschbalken aufeinander zu statt. Auch in diesen Fällen wird ausgeschäumt, d. h. das leistenförmige Verbindungselement verliert seine Querelastizität durch ein zweites, gesondertes Verbindungs- bzw. Blockierelement, nämlich den Kunststoffschaum.From FR-A-2 081 740 it is known to connect two profiles to one another in a thermally insulated manner, one profile being part of an outer shell and the other profile being part of an inner shell. For this purpose, semi-rigid connecting elements are used, which have an approximately H-shaped cross section, which is formed from two flange beams and a central web. At the free ends of the flange beams, projections are provided which engage in grooves in the profiles to be connected to one another. In order to insert the connecting elements into the grooves of the profiles, the transverse elasticity of the connecting element is used. This transverse elasticity can be achieved in that the central web is made of particularly elastic plastic, so that it can be compressed, so that the stiffer flange beams perform a transverse movement towards one another, which is due to the resilience of the central web after the engagement of the connecting elements in the grooves of both profiles is eliminated again. A curable plastic foam is then injected onto the strip-shaped connecting elements, which also fills both the chambers formed through openings in the central web, so that a firm, resistant connection between the profiles is achieved. Another form of the smooth movement of the flange beams transversely to their connecting direction can be achieved in that the central web is made relatively firm so that when the strip-shaped connecting elements are attached, all four legs are pivoted under angling on the central web until the projections on the free ends of the legs have engaged in the grooves of the profiles. Here too, foaming is carried out again. The free ends of the legs of the strip-shaped connecting elements can also be omitted by eliminating a central web via deformable wall parts be connected directly to one another, so that the connecting elements then have an approximately box-shaped, closed cross-sectional profile. In these cases, too, when the connecting elements are inserted on the profiles to be connected to one another, the flange beams move in the same direction towards one another. Foaming is also carried out in these cases, ie the strip-shaped connecting element loses its transverse elasticity through a second, separate connecting or blocking element, namely the plastic foam.

Der Erfindung liegt die Aufgabe zugrunde, ein Holz/Metall-Fenster der im Oberbegriff des Patentanspruchs 1 angegebenen Art so weiterzubilden, daß die Halterung der Metallprofilabschnitte an dem Blendrahmen oder dem Flügelrahmen auf einfacher Weise ohne Verschraubung ermöglicht ist.The invention has for its object to develop a wood / metal window of the type specified in the preamble of claim 1 in such a way that the mounting of the metal profile sections on the frame or the sash is easily possible without screwing.

Erfindungsgemäß wird dies dadurch erreicht, daß die Clipsverbinder als mit dem Metallprofilabschnitt einerseits und dem Blendrahmen oder dem Flügelrahmen andererseits zusammenwirkende Steck/Rast-Verbindungselemente ausgebildet sind, die sowohl in Richtung auf den Metallprofilabschnitt wie auch in Richtung auf den Blendrahmen oder im Flügelrahmen abstehende, sich gegenläufig verhaltende Schenkelpaare aus zwei im wesentlichen steif ausgebildeten Flanschbalken und einem flexiblen Mittelsteg aufweisen, daß im Blendrahmen oder im Flügelrahmen Nuten zur Realisierung einer ersten Steck/Rast-Verbindung der betreffenden Schenkel des einen Schenkelpaares vorgesehen sind, und daß die erste Steck/Rast-Verbindung des einen Schenkelpaares durch das Einbringen einer zweiten Steck/Rast-Verbindung des anderen Schenkelpaares noch zusätzlich gehalten, gesichert und verriegelt ist. Während bisher Clipsverbinder eingesetzt wurden, die an dem einen Bauteil, also dem Flügelrahmen oder dem Blendrahmen, angeschraubt wurden und nur eine Steck/Rast-Verbindung nach der anderen Seite, nämlich nach der Seite der Metallprofilabschnitte, gestatteten, wird jetzt ein Steck/Rast-Verbindungselement geschaffen, bei dem diese günstige Montagemöglichkeit nach beiden Seiten gebildet ist. Hierzu weist der Clipsverbinder nach beiden Seiten abstehende Schenkel auf, die mit Holzrahmen und dem Metallprofilabschnitt in Wirkverbindung treten. Zur Verankerung in dem Blendrahmen und in dem Flügelrahmen müssen lediglich Nuten in diesen aus Holz bestehenden Teilen vorgesehen sein, die jedoch in einem Arbeitsgang mit dem Profilfräsen dieser Teile herstellbar sind, so daß der Aufwand hierdurch nicht vergrößert wird.This is achieved according to the invention in that the clip connectors are designed as plug-in / locking connecting elements which interact with the metal profile section on the one hand and the window frame or the sash frame on the other hand, projecting both in the direction of the metal profile section and in the direction of the window frame or in the sash frame oppositely acting pairs of legs made of two essentially rigid flange beams and a flexible central web have grooves in the frame or in the sash frame to provide a first plug / snap connection of the relevant legs of the one pair of legs, and that the first plug / snap connection of one pair of legs is additionally held, secured and locked by the introduction of a second plug / snap connection of the other pair of legs. While previously clip connectors were used, which were screwed onto one component, i.e. the sash frame or the frame, and only a plug / snap connection on the other side, namely on the side of the metal profile sections, a plug / snap connecting element is now created, in which this inexpensive mounting option is formed on both sides. For this purpose, the clip connector has legs protruding on both sides, which come into operative connection with the wooden frame and the metal profile section. For anchoring in the frame and in the casement only grooves must be provided in these wooden parts, but these can be produced in one operation with the profile milling of these parts, so that the effort is not increased.

Diese Nuten gestatten nicht nur ein einfaches Anbringen der Clipsverbinder, und zwar so, daß automatisch ihre fluchtende Anordnung entlang der Nut erreicht wird. Durch die abstehenden Schenkel in Verbindung mit den Nuten ergibt sich durch Einrasten der Verbindungselemente auch eine örtliche Verankerung in den Nuten des Flügelrahmens oder des Blendrahmens. Je nach der Größe des Fensters und der Beanspruchungsstufe können die Clipsverbinder ohne Weiteres mit kleinerem oder größerem gegenseitigen Abstand angeordnet werden, ohne daß sich hierdurch der Querschnitt des Flügelrahmens und/oder des Blendrahmens ändern. Ein besonderer Vorteil dieser Steck/Rast-Verbindungselemente liegt darin, daß durch ihre besondere Ausbildung die Verbindung zu dem einen Teil, beispielsweise zu dem Blendrahmen, noch dadurch stabilisiert wird, daß letztlich die zweite Steck/Rast-Verbindung, nämlich zu dem Metallprofilabschnitt, herbeigeführt wird. Die Clipsverbinder sind auch sehr einfach aufgebaute Formteile, die funktions- und beanspruchungsgerecht ausgebildet sind. Sie können als Kunststofformteile in großer Stückzahl sehr preiswert hergestellt werden. Ein Hauptvorteil liegt in der einfachen Anwendung, wodurch die Montage erheblich beschleunigt wird.These grooves not only allow the clip connectors to be easily attached in such a way that their aligned arrangement along the groove is automatically achieved. The protruding legs in connection with the grooves also result in a local anchoring in the grooves of the casement or the frame by snapping the connecting elements into place. Depending on the size of the window and the stress level, the clip connectors can easily be arranged with a smaller or larger mutual distance without changing the cross-section of the casement and / or the window frame. A particular advantage of these plug / snap connection elements is that the connection to the one part, for example to the frame, is still stabilized by their special design in that ultimately the second plug / snap connection, namely to the metal profile section, is brought about becomes. The clip connectors are also very simply constructed molded parts that are designed to be functional and load-bearing. They can be manufactured very cheaply in large quantities as plastic molded parts. A main advantage is the ease of use, which speeds up assembly considerably.

Das beidseitig wirkende Steck/Rast-Verbindungselement weist zweckmäßig H-förmigen Querschnitt auf, an dem zwei steif ausgebildete Flanschbalken und ein vergleichsweise flexibler Mittelsteg vorgesehen sind, wobei aus den Flanschbalken je ein Schenkelpaar gebildet ist, von denen das eine in Richtung auf den Metallprofilabschnitt und das andere in Richtung auf den Blendrahmen oder den Flügelrahmen vorsteht.The double-acting plug-in / locking connecting element expediently has an H-shaped cross-section, on which two stiff flange beams and a comparatively flexible central web are provided, with each pair of legs being formed from the flange beams, one of which in the direction of the metal profile section and the other protrudes towards the frame or the sash.

Es liegt hier die Querschnittsgestaltung ähnlich einer Wäscheklammer vor, bei der zwei im wesentlichen steif ausgebildete Flanschbalken vorgesehen sind, die durch einen flexiblen Mittelsteg, der auch Gelenkfunktion haben kann, miteinander in Verbindung stehen. Es werden damit von der Ebene des Mittelstegs aus gesehen zwei Schenkelpaare gebildet, die sich gegenläufig verhalten: wird das eine Schenkelpaar zusammengedrückt, weitet sich das andere Schenkelpaar maulförmig auf und umgekehrt. Diese Bewegungsgeometrie wird nun anhand dieses so ausgebildeten Clipsverbinders als Formteil aus Kunststoff ausgenutzt, um die Steck/Rast-Verbindung nach beiden Seiten von der Ebene des Mittelstegs aus gesehen, auszunutzen. Hierdurch wird erreicht, daß die erste Steck/Rast-Verbindung durch das Einbringen der zweiten Steck/Rast-Verbindung noch zusätzlich gehalten, gesichert und verriegelt wird.The cross-sectional design here is similar to a clothes peg, in which two essentially rigid flange beams are provided, which are connected to one another by a flexible central web, which can also have a joint function. From the level of the central web, two pairs of legs are thus formed, which behave in opposite directions: if one pair of legs is pressed together, the other pair of legs widens in a muzzle shape and vice versa. This movement geometry is now used as a molded part made of plastic on the basis of this clip connector designed in this way in order to utilize the plug-in / snap-in connection on both sides as seen from the plane of the central web. This ensures that the first plug-in connection is additionally held, secured and locked by introducing the second plug-in connection.

Die Schenkel der Schenkelpaare können im Bereich ihrer freien Enden Rastrippen oder Rastnasen aufweisen. Nach dem Aufsetzen der Steck/Rast-Verbindungselemente auf den aus Holz bestehenden Blend- oder Flügelrahmen kann nachfolgend die vorgesetzte Außenschale aus Metallprofilabschnitten aufgeclipst werden.The legs of the pair of legs can have locking ribs or locking lugs in the region of their free ends. After the plug-in / snap-in connecting elements have been placed on the wooden frame or sash frame, the outer shell made of metal profile sections can be clipped on.

Sämtliche Rastrippen oder Rastnasen an den Schenkeln der Schenkelpaare der Steck/Rast-Verbindungselemente sind nach innen oder nach außen gerichtet vorgesehen.All locking ribs or locking lugs on the legs of the pair of legs of the plug-in / locking connecting elements are provided inwards or outwards.

Das dem Blendrahmen oder dem Flügelrahmen zugekehrte Schenkelpaar kann zusätzlich zu den Rastrippen Vorsprünge zur Sicherung des Steck/Rast-Verbindungselements gegen seitliches Verschieben oder Verrutschen aufweisen. Diese Vorsprünge krallen sich nach dem Einstecken des Clipsverbinders in das hölzerne Bauteil und insbesondere nach dem Aufsetzen der Metallprofilabschnitte in der betreffenden Nut fest, so daß eine seitliche Bewegung entlang der Nut sicher verhindert wird. Dies ist insbesondere für solche Clipsverbinder sinnvoll, die im aufrechten Bereich eines Fensters eingesetzt werden. Aber auch bei den horizontalen Stücken eines Fensters ist diese Ausbildung in keiner Weise schädlich.In addition to the locking ribs, the pair of legs facing the frame or the sash frame can have projections for securing the plug-in / locking connecting element against lateral displacement or slipping. These projections claw after inserting the clip connector into the wooden component and in particular after placing the metal profile sections in the relevant groove, so that lateral movement along the groove is reliably prevented. This is particularly useful for those clip connectors that are used in the upright area of a window. But even with the horizontal pieces of a window, this training is in no way harmful.

Das dem Metallprofilabschnitt zugekehrte Schenkelpaar kann an einem Schenkel eine flexible Zunge aufweisen, an der die eine Rastrippe, Rastnase angeordnet ist; am anderen Schenkel ist dann eine Durchbrechung für den Durchtritt eines Werkzeugs zum lösen der Rastverbindung vorgesehen. Dieses Lösen der Rastverbindung ist zweckmäßig auf der Seite der Außenschale, also der Metallprofilabschnitte, und zwar insbesondere im Bereich des Flügelrahmens, erforderlich, wenn z. B. eine zerbrochene Scheibe ausgetauscht werden soll. In diesem Fall ist durch die aufgezeigte Ausbildung ein zerstörungsfreies Lösen des Clipsverbinders möglich, wodurch der Metallprofilabschnitt abgenommen werden kann. Die Clipsverbinder verbleiben an Ort und Stelle und nach dem Einfügen der neuen Scheibe werden die Metallprofilabschnitte wiederum aufgesetzt. Es ist aber auch denkbar, daß die Clipsverbinder so ausgebildet sind, daß sie bei einem solchen Scheibenwechsel zerstört werden. Da die Clipsverbinder als Massenartikel sehr preiswert herstellbar sind, können bei diesem Einsetzen einer Scheibe durchaus auch neue Clipsverbinder benutzt werden. Das zerstörende Entfernen der Clipsverbinder bedeutet im Vergleich zu dem zerstörungsfreien Lösen aber in jedem Fall einen Aufwand.The pair of legs facing the metal profile section can have a flexible tongue on one leg, on which the one latching rib, latching nose is arranged; an opening for the passage of a tool for releasing the latching connection is then provided on the other leg. This release of the locking connection is expedient on the side of the outer shell, that is, the metal profile sections, in particular in the area of the casement, if z. B. a broken disc is to be replaced. In this case, the design shown enables the clip connector to be released non-destructively, as a result of which the metal profile section can be removed. The clip connectors remain in place and after inserting the new pane, the metal profile sections are put back on. However, it is also conceivable that the clip connectors are designed such that they are destroyed during such a pane change. Since the clip connector as Bulk items are very inexpensive to produce, new clip connectors can also be used with this insertion of a disc. In any case, the destructive removal of the clip connector means effort compared to the non-destructive loosening.

Die Schenkel beider Schenkelpaare können etwa gleiche Länge aufweisen. Es ist aber nicht schädlich, wenn der eine Schenkel eines Schenkelpaares im Vergleich zu dem anderen Schenkel gleiche oder ungleiche Länge besitzt. Natürlich ist die Gestaltung auch entsprechend der Flexibilität des gewählten Werkstoffs abzustimmen, damit die Steck/Rast-Verbindungselemente zerstörungsfrei angewendet werden können.The legs of both pairs of legs can have approximately the same length. However, it is not harmful if one leg of a pair of legs has the same or different length in comparison to the other leg. Of course, the design must also be coordinated according to the flexibility of the selected material so that the plug-in / snap-in connecting elements can be used without destruction.

Die Rastrippen, Rastnasen o. dgl. können schräge Aufgleitflächen zum erleichterten Aufschieben aufweisen, so daß es zum Ansetzen der Clipsverbinder zunächst nur erforderlich ist, diese an der entsprechenden Stelle auf- oder zusammenzuspreizen und dann über ein Holzprofilteil oder in eine Nut eines solchen Holzprofilteils einzuschieben.The locking ribs, locking lugs or the like can have inclined sliding surfaces to make it easier to slide on, so that it is initially only necessary to attach the clip connectors to spread them out or together at the appropriate point and then insert them via a wooden profile part or into a groove of such a wooden profile part .

Die Steck/Rast-Verbindungselemente können als Formteile aus Kunststoff ausgebildet sein. Dabei ist ein Spritzen in der Form sinnvoll und möglich, die Teile können aber auch als Abschnitte von Strangpreßprofilen ausgebildet werden.The plug-in / snap-in connecting elements can be formed as molded parts made of plastic. Injection molding is sensible and possible, but the parts can also be formed as sections of extruded profiles.

Die Zunge kann sich nur über einen Teil der Breite des Schenkels erstrecken, während die übrigen Teile des Schenkels als Führungswände ausgebildet sind. Dies ist einer beanspruchungsgerechten Ausbildung förderlich. Die Zunge kann kürzer als die Führungswände ausgebildet sein, wobei die Flexibilität durch die verringerte Wandstärke der Zunge herbeigeführt wird.The tongue can only extend over part of the width of the leg, while the remaining parts of the leg are designed as guide walls. This is conducive to training that meets the requirements. The tongue can be made shorter than the guide walls, the flexibility being brought about by the reduced wall thickness of the tongue.

Sofern das Kunststoffmaterial der Clipsverbinder die auftretenden Kräfte nicht allein aufnehmen soll oder aufnehmen kann, besteht die Möglichkeit, die Clipsverbinder durch eine Federklammer aus elastisch-nachgiebigem Material, insbesondere Federstahl, zu verstärken. Die Clipsverbinder können dabei weiterhin einstückig oder aber auch geteilt ausgebildet sein. Bei geteilter Ausbildung besteht die Möglichkeit, die Federklammer so auszugestalten, daß sie zugleich dem Zusammenhalt der Teile des Clipsverbinders dient.Unless the plastic material of the clip connector should or should not absorb the forces that occur can accommodate, there is the possibility to reinforce the clip connector by a spring clip made of resilient material, especially spring steel. The clip connectors can continue to be made in one piece or else split. With split training, there is the possibility to design the spring clip so that it also serves to hold the parts of the clip connector together.

Bevorzugte Ausführungsbeispiele der Erfindung sind in den Zeichnungen dargestellt und werden im Folgenden beschrieben. Es zeigen:

Figur 1
einen Querschnitt durch das Holz/Metall-Fenster mit einem Clipsverbinder in einer ersten Ausführungsform am Flügelrahmen und einem Clipsverbinder in einer zweiten Ausführungsform am Blendrahmen,
Figur 2
eine Detaildarstellung des Clipsverbinders des Blendrahmens während seiner Montage,
Figur 3
eine ähnliche Darstellung wie Figur 1 mit einer dritten Ausführungsform des Clipsverbinders am Blendrahmen,
Figur 4
eine Detaildarstellung des Clipsverbinders gemäß den Figuren 1 und 3 am Flügelrahmen während der Montage und
Figur 5
den Clipsverbinder gemäß den Figuren 1, 3 und 4 in perspektivischer Darstellung,
Figur 6
eine Seitenansicht eines Clipsverbinders, ähnlich der Ausführungsform gemäß Figur 4, jedoch verstärkt durch zwei Federklammern,
Figur 7
eine perspektivische Darstellung des Clipsverbinders gemäß Figur 6,
Figur 8
eine weitere Ausführungsform eines Clipsverbinders mit Federklammer und in geteilter Bauweise und
Figur 9
eine perspektivische Darstellung des Clipsverbinders gemäß Figur 8.
Preferred exemplary embodiments of the invention are illustrated in the drawings and are described below. Show it:
Figure 1
2 shows a cross section through the wood / metal window with a clip connector in a first embodiment on the casement frame and a clip connector in a second embodiment on the window frame,
Figure 2
a detailed representation of the clip connector of the frame during its assembly,
Figure 3
a representation similar to Figure 1 with a third embodiment of the clip connector on the frame,
Figure 4
a detailed view of the clip connector according to Figures 1 and 3 on the casement during assembly and
Figure 5
the clip connector according to Figures 1, 3 and 4 in a perspective view,
Figure 6
3 shows a side view of a clip connector, similar to the embodiment according to FIG. 4, but reinforced by two spring clips,
Figure 7
6 shows a perspective illustration of the clip connector according to FIG. 6,
Figure 8
a further embodiment of a clip connector with spring clip and in a divided construction and
Figure 9
a perspective view of the clip connector according to Figure 8.

In Figur 1 ist ein Blendrahmen 1 und ein Flügelrahmen 2 im Schnitt dargestellt. Mit dem Blendrahmen 1 ist über einen Clipsverbinder 3 ein Metallprofilabschnitt 4 verbunden, der außen vorgesetzt angeordnet ist. Mit dem Flügelrahmen 2 ist ein weiterer Metallprofilabschnitt 5 über einen Clipsverbinder 6 verbunden, der grundsätzlich gleich oder ähnlich ausgebildet ist wie der Clipsverbinder 3. Um die verschiedenen Gestaltungsmöglichkeiten der Clipsverbinder 3 und 6 aufzuzeigen, sind hier unterschiedliche Ausführungsformen dargestellt, die teilweise auch durch die unterschiedlichen Gegebenheiten an Blendrahmen 1 und Flügelrahmen 2 verursacht sind. Es versteht sich, daß über der Metallprofilabschnitte 4, 5 immer mehrere Clipsverbinder 3, 6 zur Anwendung gelangen, die in entsprechenden Abständen angeordnet sind. In eine Nut 7 des Blendrahmens 1 ist eine Dichtung 8 eingesetzt, die zusätzlich eine Rippe 9 an dem Metallprofilabschnitt 8 hintergreift. Der Metallprofilabschnitt 5 trägt eine Dichtung 10. Dieser zugeordnet ist an dem Flügelrahmen 3 eine Dichtung 11 angeordnet, so daß zwischen den Dichtungen 10 und 11 eine Scheibe 12 aufgenommen bzw. angepreßt ist. Es liegt eine Trockendruckverglasung vor.In Figure 1, a frame 1 and a sash 2 is shown in section. A metal profile section 4 is connected to the frame 1 via a clip connector 3 and is arranged in front in front. A further metal profile section 5 is connected to the sash frame 2 via a clip connector 6, which is basically of the same or similar design as the clip connector 3. In order to show the different design options of the clip connectors 3 and 6, different embodiments are shown here, some of which are due to the different ones Conditions on frame 1 and sash 2 are caused. It goes without saying that a plurality of clip connectors 3, 6, which are arranged at appropriate intervals, are always used above the metal profile sections 4, 5. A seal 8 is inserted into a groove 7 of the frame 1, which additionally engages behind a rib 9 on the metal profile section 8. The metal profile section 5 carries a seal 10. Associated with this is a seal 11 on the casement 3, so that a disc 12 is received or pressed between the seals 10 and 11. There is dry pressure glazing.

Die Clipsverbinder 3 und 6 weisen einen vergleichsweise flexiblen Mittelsteg 13 auf, an dem zwei vergleichsweise weniger flexible Flanschbalken 14 und 15 vorgesehen sind, die nach beiden Seiten aus der Ebene des Mittelstegs 3 vorstehend bzw. überstehend ausgebildet sind. Diese Flanschbalken 14 und 15 bilden auf der Seite des Blendrahmens 1 bzw. des Flügelrahmens 2 ein Schenkelpaar 16, welches dem Innenraum 17 zugekehrt ist. Auch nach der anderen Seite, also in Richtung auf einen Außenraum 18, bilden die Flanschbalken 14 und 15 ein Schenkelpaar 19. Während der Clipsverbinder 3 auf seiner dem Außenraum 18 zugekehrte Seite nur dieses Schenkelpaar 19 aufweist, besitzt der Clipsverbinder 6 zusätzlich noch eine flexible Zunge 20, die in Figur 1 gestrichelt angedeutet ist. Beide Schenkelpaare 16 und 19 bzw. sämtliche vier freien Enden der Flanschbalken 14 und 15 sind mit Rastrippen, Rastnasen o. dgl. 21, 22 versehen, wobei die Rastrippe 22 im Bereich des Flanschbalkens 14 des Clipsverbinders 6 an der Zunge 20 angeordnet ist, während die übrigen Teile des Flanschbalkens 14 auf dieser Seite ohne eine solche Rastrippe ausgebildet sind. Es erscheint auch möglich, die flexible Zunge 20 doppelt vorzusehen, also im Bereich beider Flanschbacken 14 und 15.The clip connectors 3 and 6 have a comparatively flexible central web 13 on which two comparatively less flexible flange beams 14 and 15 are provided protruding or protruding from the plane of the central web 3 on both sides. These flange bars 14 and 15 form on the side of the frame 1 and the sash 2 a pair of legs 16 which faces the interior 17. Also on the other side, ie in the direction of an outer space 18, the flange beams 14 and 15 form a pair of legs 19. While the clip connector 3 has only this pair of legs 19 on its side facing the outer space 18, the clip connector 6 additionally has a flexible tongue 20, which is indicated by dashed lines in Figure 1. Both pairs of legs 16 and 19 or all four free ends of the flange beams 14 and 15 are provided with locking ribs, locking lugs or the like. 21, 22, the locking rib 22 being arranged in the region of the flange beam 14 of the clip connector 6 on the tongue 20 while the remaining parts of the flange bar 14 are formed on this side without such a locking rib. It also appears possible to provide the flexible tongue 20 twice, that is to say in the area of both flange jaws 14 and 15.

Im Bereich des Clipsverbinders 3 weist der Metallprofilabschnitt 4 den Flanschbalken 14 und 15 zugekehrte durchgehende Stege 23, 24 auf, die mit den Rastrippen 22 zugeordneten Nasen 25 versehen sind. Für die Montage bzw. Anbringung des Clipsverbinders 3 besitzt der Blendrahmen 1 eine vergleichsweise großquerschnittige Nut 26, die entweder rechteckigen oder auch T-förmigen Querschnitt aufweisen kann. Bei T-förmigem Querschnitt gehen die Rastrippen 21 über die Länge des Clipsverbinders 3 durch. Findet ein rechteckiger Querschnitt der Nut 26 Anwendung, dann sind die Rastrippen 21 zweckmäßig in örtliche Spitzen aufgeteilt, die sich nach dem Einbringen des Clipsverbinders in dem Holz des Blendrahmens 1 verkrallen.In the area of the clip connector 3, the metal profile section 4 has the continuous bars 23, 24 facing the flange bars 14 and 15, which are provided with lugs 25 assigned to the locking ribs 22. For the assembly or attachment of the clip connector 3, the frame 1 has a comparatively large cross-sectional groove 26, which can have either a rectangular or a T-shaped cross section. In the case of a T-shaped cross section, the locking ribs 21 extend over the length of the clip connector 3. If a rectangular cross section of the groove 26 is used, then the locking ribs 21 are expediently divided into local tips, which claw in the wood of the frame 1 after the clip connector has been inserted.

Zur Montage des Clipsverbinders 3 am Blendrahmen 1 wird das Schenkelpaar 19 auseinandergespreizt, so daß sich die Schenkel des Schenkelpaares 16 aufeinanderzubewegen, wie dies in Figur 2 in einem Zwischenschritt dargestellt ist. Der Clipsverbinder 3 als Kunststofformteil muß dabei verständlicherweise in seinen einzelnen geometrischen Abmessungen auf das verwendete Kunststoffmaterial abgestimmt sein, damit er diese Bewegung mitmacht. Sobald der Clipsverbinder 3 bis zum Grund der Nut 26 eingeschoben ist, wird die Spreizung des Flanschpaares 19 aufgehoben, wobei die Rastrippen 21 bereits in die T-förmige Nut 26 eingreifen oder sich spitze Vorsprünge zumindest teilweise in das Holz des Blendrahmens eingraben. Sodann wird der Metallprofilabschnitt 4 von außen aufgepreßt, wobei nunmehr die Flanschbalken 14 und 15 eine umgekehrte Bewegung ausführen, indem das Schenkelpaar 19 aufeinanderzubewegt wird und das Schenkelpaar 16 eine Spreizbewegung im Sinne einer Maulöffnung auszuführen beabsichtigt. In gewisser Weise können die Flanschbalken 14 und 15 auch in sich flexibel ausgebildet sein, so daß es gelingt, den Metallprofilabschnitt 4 soweit aufzuschieben, bis die Nasen 25 hinter den Rastrippen 22 einrasten. Damit wird der ordnungsgemäße Einbauzustand erreicht. Man erkennt, daß die erste Steck/Rast-Verbindung des Clipsverbinders 3 an dem Blendrahmen 1 durch das Anbringen der zweiten Steck/Rast-Verbindung am Metallprofilabschnitt 4 gesichert wird.To assemble the clip connector 3 on the frame 1, the pair of legs 19 is spread apart, so that the Moving legs of the pair of legs 16 towards each other, as shown in Figure 2 in an intermediate step. The clip connector 3 as a molded plastic part must understandably be matched in its individual geometric dimensions to the plastic material used, so that it takes part in this movement. As soon as the clip connector 3 is pushed in to the bottom of the groove 26, the spreading of the pair of flanges 19 is canceled, the locking ribs 21 already engaging in the T-shaped groove 26 or at least partially digging into the wood of the frame. The metal profile section 4 is then pressed on from the outside, the flange bars 14 and 15 now carrying out a reverse movement by moving the pair of legs 19 towards one another and the pair of legs 16 intending to carry out a spreading movement in the manner of a jaw opening. In a way, the flange beams 14 and 15 can also be flexible in themselves, so that it is possible to slide the metal profile section 4 until the lugs 25 engage behind the locking ribs 22. The correct installation condition is thus achieved. It can be seen that the first plug / snap connection of the clip connector 3 on the frame 1 is secured by attaching the second plug / snap connection on the metal profile section 4.

In entsprechender Weise wird auch der Clipsverbinder 6 montiert:
Hier wird das Schenkelpaar 19 zusammengedrückt, so daß sich das Schenkelpaar 16 aufweitet, so daß die Rastrippen 21 in zwei Nuten 27 und 28 am Flügelrahmen 2 eintreten können. Eine Zwischenstellung ist in Figur 4 dargestellt. Um eine örtliche Fixierung des Clipsverbinders 6 in dieser aufgesetzten Stellung nach Herbeiführung der ersten Steck/Rast-Verbindung gegen örtliches Verschieben zu sichern, können die Rastrippen 21 an ihrem freien Ende nicht dargestellte Vorsprünge oder auch schneidenartige Fortsätze 29 aufweisen, die sich zumindest während der Herbeiführung der zweiten Steck/Rast-Verbindung in das Holz des Flügelrahmens 2 einkrallen. Diese zweite Steck/Rast-Verbindung am Clipsverbinder 6 wird dadurch herbeigeführt, daß anschließend der Metallprofilabschnitt 5 aufgepreßt wird. Es versteht sich, daß vorher die Dichtungen 11 und 10 und auch die Scheibe 12 eingefügt wurden. Gegebenenfalls kann die Dichtung 11 auch noch nachträglich eingesetzt werden. Auf jeden Fall weist der Metallprofilabschnitt 5 entsprechende Stege 30 und 31 auf, die an ihren Enden mit Nasen 32 versehen sind. Die Stege 30 und 31 entsprechen funktionsmäßig den Stegen 23 und 24, abgesehen von dem Unterschied, daß die Stege 23 und 24 den Clipsverbinder 3 von außen umfassen, während die Stege 30 und 31 den Clipsverbinder 6 von innen angreifen. Die Nase 32 am Steg 30 arbeitet dabei mit der Rastrippe 22 der Zunge 20 zusammen. In dem Flanschbalken 15 unterhalb der Zunge 20 ist eine Durchbrechung 33 vorgesehen, damit von hier ein Werkzeug, beispielsweise ein Schraubenzieher o. dgl. hindurchgeführt werden kann, um die Zunge 20 von ihrer Verrastung an dem Steg 30 zur Erreichung der Lösestellung abzuschwenken. Dies kann einmal erforderlich werden, wenn die Scheibe 12 ausgetauscht werden soll. Es wäre aber auch möglich, den Clipsverbinder 6 im Bereich des Flanschbalkens 15 zerstörend aufzutrennen und dann nach dem Einfügen der neuen Scheibe 12 neue Clipsverbinder 6 anzubringen und zu verwenden.The clip connector 6 is also installed in a corresponding manner:
Here the pair of legs 19 is pressed together, so that the pair of legs 16 expands, so that the locking ribs 21 can enter into two grooves 27 and 28 on the casement 2. An intermediate position is shown in Figure 4. In order to secure a local fixation of the clip connector 6 in this mounted position after the first plug-in / latching connection has been brought about against local displacement, the latching ribs 21 can have protrusions (not shown) or also cutting-like extensions 29 at their free end, which are at least during the introduction the second plug / snap connection claw into the wood of the casement 2. This second plug / snap connection on the clip connector 6 is brought about in that the metal profile section 5 is then pressed on. It is understood that the seals 11 and 10 and the washer 12 were inserted beforehand. If necessary, the seal 11 can also be used subsequently. In any case, the metal profile section 5 has corresponding webs 30 and 31, which are provided with lugs 32 at their ends. The webs 30 and 31 functionally correspond to the webs 23 and 24, apart from the difference that the webs 23 and 24 surround the clip connector 3 from the outside, while the webs 30 and 31 engage the clip connector 6 from the inside. The nose 32 on the web 30 cooperates with the locking rib 22 of the tongue 20. An opening 33 is provided in the flange bar 15 below the tongue 20, so that a tool, for example a screwdriver or the like, can be passed from here in order to pivot the tongue 20 away from its latching on the web 30 in order to achieve the release position. This can be necessary once when the disc 12 is to be replaced. However, it would also be possible to destroy the clip connector 6 in the region of the flange beam 15 and then to install and use new clip connectors 6 after inserting the new disk 12.

Bei dem Ausführungsbeispiel der Figur 3 ist im Bereich des Flügelrahmens der schon anhand der Figuren 1 und 4 beschriebene Clipsverbinder 6 eingesetzt. Im Bereich des Blendrahmens 1 ist ein weiterer Clipsverbinder 34 dargestellt. Dieser Clipsverbinder 34 ist ähnlich zu dem Clipsverbinder 6 ausgebildet. Auch hier ist ein H-förmiger Querschnitt vorgesehen. Der Mittelsteg 13 wird von Flanschbalken 14 und 15 überbrückt, die wiederum Flanschpaare 16 und 19 bilden. Im Bereich des Flanschpaares 19 ist am Flanschbalken 14 wiederum eine Zunge 20 vorgesehen, die flexibel ausgebildet ist. Der zugehörige Metallprofilabschnitt 4 weist hier von innen angreifende Stege 30 und 31 auf, an deren freien Enden Nasen 32 vorgesehen sind, die mit Rastrippen 22 an dem Flanschbalken 15 und der Zunge 20 zusammenarbeiten. Das Schenkelpaar 16 greift in zwei separate Nuten 35 und 36 im Blendrahmen 1 ein, die funktionsmäßig mit den Nuten 27 und 28 im Flügelrahmen 2 der Figur 1 vergleichbar sind. Auch hier sind zweckmäßig die Rastrippen 21 in einzelne Vorsprünge aufgelöst, damit die Nuten 35 und 36 mit rechteckigem Querschnitt gefräst werden können.In the exemplary embodiment in FIG. 3, the clip connector 6 already described with reference to FIGS. 1 and 4 is used in the area of the casement. A further clip connector 34 is shown in the area of the frame 1. This clip connector 34 is designed similarly to the clip connector 6. An H-shaped cross section is also provided here. The central web 13 is bridged by flange beams 14 and 15, which in turn form flange pairs 16 and 19. In the region of the pair of flanges 19, a tongue 20 is again provided on the flange bar 14 is flexible. The associated metal profile section 4 here has webs 30 and 31 which engage from the inside, on the free ends of which lugs 32 are provided which cooperate with locking ribs 22 on the flange bar 15 and the tongue 20. The pair of legs 16 engages in two separate grooves 35 and 36 in the frame 1, which are functionally comparable to the grooves 27 and 28 in the sash 2 of Figure 1. Here, too, the locking ribs 21 are expediently broken down into individual projections so that the grooves 35 and 36 can be milled with a rectangular cross section.

Figur 5 zeigt einen Clipsverbinder 6 in perspektivischer Darstellung. Die Rastnasen 22 können schräge Aufgleitflächen 37 aufweisen, damit die zweite Steck/Rast-Verbindung leichter herbeigeführt werden kann. Auch im Bereich der anderen Rastrippen 21, 22 können solche Aufgleitflächen zum erleichterten Aufschieben vorgesehen sein. Figur 5 läßt gut erkennen, daß sich die Zunge 20 nur über einen Teil der Länge des Clipsverbinders 6 erstreckt. Wenn die Gesamtlänge des Clipsverbinders 6 beispielsweise 30 mm beträgt, kann die Länge der Zunge 20 etwa 12 mm betragen. Die rechts und links von der Zunge stehenbleibenden Teile des Flanschbalkens 14 üben damit Führungsfunktion beim Einschieben des Metallprofilabschnitts 5 aus. Die Zunge 20 kann in ihrem Querschnitt dünnwandiger ausgebildet sein, um die Flexibilität zu begünstigen. Es wechseln hier vergleichsweise starre Führungswände 38 mit der flexiblen Zunge 20 ab.Figure 5 shows a clip connector 6 in perspective. The locking lugs 22 can have inclined sliding surfaces 37 so that the second plug-in / locking connection can be made more easily. Such sliding surfaces can also be provided in the area of the other locking ribs 21, 22 for easier sliding on. FIG. 5 clearly shows that the tongue 20 only extends over part of the length of the clip connector 6. If the total length of the clip connector 6 is 30 mm, for example, the length of the tongue 20 can be approximately 12 mm. The parts of the flange bar 14 that remain to the right and left of the tongue thus perform a guiding function when the metal profile section 5 is inserted. The tongue 20 can be made thin-walled in its cross section in order to promote flexibility. Comparatively rigid guide walls 38 alternate with the flexible tongue 20 here.

Die Figuren 6 und 7 zeigen eine weitere Ausführungsform eines Clipsverbinders 39, der ebenfalls als einstückiges Kunststoffspritzteil ausgebildet ist, jedoch durch zwei in Durchbrechungen des Kunststoffspritzteils eingesetzte Federklammern 40 verstärkt ist, deren obere und untere Enden das Kunststoffspritzteil durchsetzen. In dieser Ausführungsform ist das Kunststoffspritzteil an sich ähnlich ausgebildet wie bei dem Ausführungsbeispiel der Figuren 4 und 5. Die Wandstärke kann hier geringer gewählt sein. Es ist auch möglich, einen anderen Kunststoff einzusetzen, der beispielsweise größere Elastizität aufweist.FIGS. 6 and 7 show a further embodiment of a clip connector 39, which is likewise designed as a one-piece plastic injection-molded part, but is reinforced by two spring clips 40 inserted into openings in the plastic injection-molded part, the upper and lower ends of which penetrate the plastic injection-molded part. In this embodiment, the plastic injection molded part is similar in itself formed as in the embodiment of Figures 4 and 5. The wall thickness can be chosen smaller here. It is also possible to use another plastic that has greater elasticity, for example.

Das Ausführungsbeispiel der Figuren 8 und 9 zeigt einen Clipsverbinder 41, der aus den beiden Teilen 42 und 43 zusammengesetzt ist, die als getrennte Kunststoffspritzteile hergestellt werden. Eine Federklammer 44 dient hierbei nicht nur der Erhöhung oder Erbringung der Federkraft, sondern zusätzlich noch dem Zusammenhalt der beiden Teile 42 und 43 des Clipsverbinders 41. Über die gezeigten Ausführungsformen der Figuren 6 bis 9 hinaus können die Federklammern 40 und 44 auch noch andere Formgebung aufweisen. Es sind auch Varianten mit Schenkelfedern und Lagerbolzen denkbar, die der Übersichtlichkeit halber jedoch nicht dargestellt sind.The exemplary embodiment in FIGS. 8 and 9 shows a clip connector 41 which is composed of the two parts 42 and 43, which are produced as separate injection-molded plastic parts. A spring clip 44 serves not only to increase or provide the spring force, but also to hold the two parts 42 and 43 of the clip connector 41 together. In addition to the embodiments shown in FIGS. 6 to 9, the spring clips 40 and 44 can also have other shapes . Variants with leg springs and bearing bolts are also conceivable, but are not shown for the sake of clarity.

Claims (12)

  1. Wood/metal window having a window frame (1) and a casement (2) consisting of wood and a respective foremounted outer shell consisting of metal profile sections (4, 5), each metal profile section being held on the window frame (1) or the casement (2) by concealed, local clip connectors (3, 6, 34, 39, 41), characterized in that the clip connectors (3, 6, 34, 39, 41) are configured as plug-in/latch connecting elements, which interact with the metal profile section (4, 5), on the one hand, and with the window frame (1) or the casement (2), on the other hand, and exhibit pairs of legs (16, 19) which project both in the direction of the metal profile section (4, 5) and in the direction of the window frame (1) or the casement (2), behave oppositely and consist of two essentially stiffly configured flange bars (14, 15) and a flexible central crosspiece (13), in that in the window frame (1) or in the casement (2) there are provided grooves (26, 27, 28) for the realization of a first plug-in/latch connection of the legs in question of the one pair of legs (16), and in that the first plug-in/latch connection of the one pair of legs (16) is additionally held, secured and locked in place by the introduction of a second plug-in/latch connection of the other pair of legs (19).
  2. Wood/metal window according to Claim 1, characterized in that the legs of the pairs of legs (16, 19) exhibit latch ribs or latch bosses (21, 22) in the region of their free ends.
  3. Wood/metal window according to Claim 2, characterised in that all the latch ribs or latch bosses (21, 22) on the legs of the pairs of legs pairs [sic] (16, 19) of the plug-in/latch connecting elements are provided such that they are directed inwards or outwards.
  4. Wood/metal window according to Claim 2 or 3, characterised in that the pair of legs (16) facing the window frame (1) or the casement (2) exhibits, in addition to the latch ribs (21), projections (29) for securing the plug-in/latch connecting elements against lateral displacement or slippage.
  5. Wood/metal window according to one of Claims 2 to 4, characterized in that the pair of legs (19) facing the metal profile section (4, 5) exhibits on one leg a flexible tongue (20) on which the one latch rib or latch boss (22) is disposed, and in that on the other leg there is provided an opening (33) for the passage of a tool for releasing the latch connection.
  6. Wood/metal window according to Claim [sic] 2 to 5, characterized in that the legs of both pairs of legs (16, 19) exhibit an approximately equal length.
  7. Wood/metal window according to Claim [sic] 2 to 6, characterized in that the latch ribs or latch bosses (21, 22) exhibit oblique slide-on surfaces (37) for easier sliding-on.
  8. Wood/metal window according to Claim [sic] 1 to 7, characterized in that the plug-in/latch connecting elements are configured as synthetic moulded parts.
  9. Wood/metal window according to one of Claims 5 to 8, characterized in that the tongue (20) extends only over part of the width of the leg and the other parts of the leg are configured as guide walls (38).
  10. Wood/metal window according to Claim 9, characterized in that the tongue (20) is configured shorter than the guide walls (38).
  11. Wood/metal window according to one of Claims 1 to 10, characterized in that the clip connectors (39, 41) are reinforced by a spring clamp (40, 44) consisting of elastically pliable material, in particular spring steel.
  12. Wood/metal window according to Claim 11, characterized in that the clip connectors (41) are of split configuration and the spring clamp (44) is configured at the same time for holding together the parts.
EP90106488A 1989-04-13 1990-04-05 Metal and wood compound window Expired - Lifetime EP0392342B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90106488T ATE98331T1 (en) 1989-04-13 1990-04-05 WOOD/METAL WINDOW.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3912135 1989-04-13
DE3912135A DE3912135C3 (en) 1989-04-13 1989-04-13 Wood / metal windows

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EP0392342A2 EP0392342A2 (en) 1990-10-17
EP0392342A3 EP0392342A3 (en) 1992-01-15
EP0392342B1 true EP0392342B1 (en) 1993-12-08

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DE (2) DE3912135C3 (en)

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DE59003745D1 (en) 1994-01-20
DE3912135A1 (en) 1990-10-18
ATE98331T1 (en) 1993-12-15
DE3912135C3 (en) 1996-04-25
EP0392342A3 (en) 1992-01-15
EP0392342A2 (en) 1990-10-17
DE3912135C2 (en) 1992-01-02

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