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(11) | EP 2 011 945 A1 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | Improved composed profile for windows, doors or such |
| (57) Improved composed jamb for windows, doors or the like, characterised in that an insulation
jamb is connected with a longitudinal edge to a metal jamb by means of an insert socket
with a female coupling element and a male coupling element which are pushed into one
another during the assembly of the composed jamb and in that these coupling elements
are glued together, characterised in that the male coupling element is held in the
female coupling element in order to make sure that, during the assembly of the composed
jamb, the coupling elements are kept in place while the glue is setting thanks to
direct friction or clamping.
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[0002] In particular, the invention concerns a jamb of the type which is composed of at least two jambs made of metal, an inner jambs and an outer jamb respectively, which are connected to each other by means of one or several insulation jambs.
[0003] Such composed jambs are already known, whereby the insulation jambs are provided with a dovetail-shaped profiling along their longitudinal edges with which the insulation jambs are fixed in a groove formed of two ribs during the assembly of the composed jambs, which ribs, seen as a cross section, run towards each other in a slanting manner in the direction of their free ends.
[0004] The insulation jambs are thereby pushed in the grooves of the metal jambs with their profiled edges in the axial direction, after which, in order to clamp said edges in the grooves, one or both ribs are further folded back towards each other by means of plastic deformation.
[0005] A disadvantage of this known technique is that, in order to realize said plastic deformation, large lateral forces are required, as a result of which the metal jambs could deform as such in other places, such that additional reinforcements are required in these places, restricting the design possibilities.
[0006] An additional disadvantage is that the ribs to be folded back must be laterally accessible to the tools that are used to exert a lateral pressure on the ribs in order to fold back the ribs. This also restricts the design possibilities as far as the design of the jambs is concerned.
[0007] Assembly techniques whereby the metal jambs and the insulation jambs are connected by means of gluing are already known as well, whereby means must be necessarily provided which keep the components in place while the glue is setting.
[0008] Such means may be formed for example of moulds or the like which temporarily keep the metal jambs and insulation jambs in place in relation to each other during the setting phase.
[0009] Other known techniques to keep the metal and insulation jambs in place while the glue is setting aim for example at providing these jambs with a snap-in system, which jambs are glued after the elements have snapped in or which are fixed by means of an intermediary filling means or an intermediary resilient clip.
[0010] A disadvantage of this type of composed jambs is that they have a relatively complicated shape, as a result of which the production costs of the composed parts may rise considerably and that, as they are snapped in, unwanted damages and/or deformations may occur. The present invention aims to remedy one or several of the above-mentioned and other disadvantages.
[0011] To this end, the invention concerns a composed jamb of the above-mentioned type, whereby at least one insulation jamb is connected with at least one longitudinal edge to a metal jamb concerned by means of an insert joint with a female coupling element and a male coupling element which can work in conjunction with each other by pushing both parts elements one another in a direction crosswise to the longitudinal direction of the insulation jamb during the assembly, and in that these coupling elements are glued together, whereby the male coupling element is provided with straight walls with which the male coupling element is being held in the female coupling element in order to make sure that, during the assembly of the composed jamb, the coupling elements to be glued are kept in place in relation to each other while the glue is setting by means of a direct friction at the above-mentioned walls.
[0012] An advantage is that, during the assembly of the composed jamb, no operations are required for the plastic deformation of the metal jambs so that, at the design stage, there is no need either to reckon with local reinforcements in order to prevent unwanted local deformations resulting from the applied assembly technique.
[0013] Another advantage is that no space must be reserved for the manipulation of an assembly tool for the deformation of the metal jambs, resulting in more liberty for the designer of the jambs.
[0014] Another advantage is that the assembly and the components concerned are simpler and thus cheaper.
[0015] Another advantage of the metal jambs and insulation jambs being mutually held by means of direct friction or clamping is that no moulds, snap-in systems or the like are required to realise means which make it possible to keep the coupling elements concerned to be connected in place, during the assembly of the composed jamb, after they have been glued in the groove concerned, while the glue is setting.
[0016] Another advantage during the assembly is that any possible assembly and tolerance errors can be easily rectified immediately, since the individual components are only being held together by means of friction, so that, consequently, these components can still be shifted in relation to each other while the glue is setting, which is impossible with the known devices whereby the components are snapped into each other.
[0017] The shape of the coupling elements is preferably such that the male coupling element can be easily guided in the female coupling element.
[0018] Means can preferably be provided to centre the male coupling elements in the female coupling elements.
[0020] An advantage is that, by spreading the glue, among others also in the recesses and/or perforations, a better bond is obtained between the metal jamb and the insulation jamb.
[0021] In order to better explain the characteristics of the invention, the following preferred embodiments of an improved composed jamb according to the invention are described as an example only, with reference to the accompanying drawings, in which:
figure 1 schematically represents a front view of a window in which composed jambs according to the invention are applied;
figure 2 shows a section of a jamb of the window in figure 1 to a larger scale, in particular according to line II-II in figure 1;
figure 3 represents the part which is indicated by F3 in figure 2 to a yet larger scale;
figure 4 represents the part of the jamb in figure 3 during the assembly of the jamb;
figures 5 to 10 represent variants of figure 3;
figure 11 represents a section according to line XI-XI in figure 5;
figure 12 represents a variant of figure 11.
[0022] Figure 1 schematically represents a window 1 which is built of a fixed frame 2 and a rotating leaf 3 which are both built of composed jambs, of which only a section is represented in figure 2, by way of example, of a composed jamb 4 of the fixed frame 2.
[0023] The jamb 4 is in this case composed of two parallel jambs made of aluminium or another metal, an inner jamb 5 and an outer jamb 6 respectively, which are connected to each other by means of two thermally insulating insulation jambs 7 made of a heat-insulating material, for example of plastic or a composite material.
[0024] On the walls 8 and 9 of the metal jambs 5 and 6 directed towards each other are provided grooves 10 for each insulation jamb 7 which, in this case but not necessarily, are situated opposite one another and in this case are each confined by two parallel ribs 11 which are provided crosswise on the above-mentioned walls 8 and 9 at a distance from each other, such that the side walls 12 of the grooves 10 directed towards each other are parallel, as seen in a cross section.
[0025] At their free ends, these ribs have a thickening 13 which is directed towards the inside of the groove 10.
[0026] In the given example, the utmost longitudinal edges 14 of the insulation jambs 7 are finished in a straight manner with side walls 15 which are parallel to one another, as seen in a cross section.
[0029] In the grooves 10 is provided a layer of glue 16, for example on the bottom 17 of the groove 10, after which the insulation jambs 7 are pushed in the grooves 10 with their longitudinal edges 14 in a direction indicated by the arrow P, crosswise to the longitudinal direction of the insulation jamb 7.
[0030] As the insulation jambs 7 are pushed in, the glue 16 will hereby spread over the bottom 17 and the side walls 12 of the ribs 11.
[0031] The dimensions of the far ends of the insulation jamb 7 and of the entrance of the groove between the above-mentioned thickenings 13 are adjusted in such a way that, when these insulation jambs 7 are pushed in the grooves with their longitudinal edges 14, said insulation jambs 7 will be secured in the grooves 10 thanks to a direct friction and/or a light clamping at the thickening 13.
[0032] The grooves 10 hereby serve as the female coupling elements 18 of an insert socket, while the edges 14 assume the function of a male coupling element 19 with which the insulation jamb 7 can be connected to a metal jamb 5-6.
[0033] During the assembly of the composed jamb 4, the longitudinal edges 14 concerned of the insulation jamb 7 to be glued in are kept in place in the groove 10 concerned while the layer of glue 16 is setting.
[0034] It is clear that, thanks to this technique for assembling the composed jamb 1, the above-mentioned ribs 11, after the edge 14 has been put between the ribs 11, must not necessarily be mechanically deformed so as to clamp in the edge 14 between the ribs 11.
[0035] Thanks to this assembly technique, it is not even necessary for the grooves 10 to be realised by means of ribs 11. Instead, the grooves 10 can also be formed as a deepened recess 20 in a wall 12 of a metal jamb 5-6 concerned or the like.
[0036] Figure 5 represents a variant of a composed jamb 4, whereby the bottom 17 has been provided with a deepened recess 20 and the layer of glue 16 has been applied in this recess 20 of the bottom 17, so that it can contain a sufficient amount of glue 16.
[0037] Moreover, during the assembly, the layer of glue 16 can also be provided on the heads 21 of the insulation jambs 7 instead of in the grooves 10.
[0038] The embodiment of figure 5 further differs from that in the preceding figures in that the far ends of the ribs 22 have an outward folded part 23 so as to form a conical entrance 24 into the groove 10.
[0040] Figure 6 represents another variant whereby, instead of several insulation jambs 7, a single hollow, tubular or U-shaped insulation jamb 7 has been applied, but whereby it is not excluded to apply also other jamb shapes, such as for example an I-shaped insulation jamb.
[0041] Figure 7 represents another variant of a composed jamb 4 according to the invention whereby the side walls 12 of the groove 10 directed towards each other, seen as a cross section, are not parallel to one another as in the preceding embodiments, but are tapered towards the bottom 19 of the groove 10 in this case, so that in this case also a better guiding of the insulation jamb 7 in the groove 10 is obtained.
[0042] In the same way, the side walls 15 of an above-mentioned longitudinal edge 14 concerned forming the male coupling element 19 are tapered towards the tip of the male coupling element 19 in the latter embodiment, as seen in a cross section, instead of running parallel to each other.
[0043] As a result, it is easier to guide the edges 14 of the insulation jambs 7 in the grooves 10 during the assembly of the composed jamb 1.
[0044] It is clear that either the groove 10 or the edge 14 alone may be tapered instead of both, as long as one makes sure that there is sufficient friction between the thickening 13 on the ribs 11 of the grooves 10 and the walls of the male coupling element 19.
[0046] Figure 8 represents another variant whereby the male part 18 is formed of a rib 25 of the metal jamb 5-6 in this case, whereas the female coupling element 18 is formed in that the edge 14 of the insulation jamb is made as a U-shaped profiled part 26 defining a groove 27 in which the rib 24 can be held and glued.
[0047] Figure 9 represents another variant whereby, in this case, the composed jamb is provided with means for centring the male coupling elements 19 in the female coupling elements 18.
[0048] In the given example of figure 9, these means are made as a V-shaped protrusion 28 on the bottom 17 of the groove 10 of the female coupling element 18 and a corresponding V-shaped recess 29 on the head 21 of the male coupling element 19.
[0049] Figure 10 represents an alternative embodiment whereby each insulation jamb 7 along the free edge 30, with which the insulation jamb 7 is clamped in the metal jamb 5-6, is provided with a series of recesses or perforations 31.
[0050] In the given example, the recesses or perforations 31 are provided at mutual distances from each other at a short distance from the above-mentioned edge 30.
[0051] If need be, the perforations 31 may continue up to the edge 30 of the insulation jamb 7 via a narrower part 32.
[0052] When such an insulation jamb 7 with recesses and/or perforations 31 is provided in a metal jamb 5-6, the glue 16 will not only spread along the side walls 12 and the bottom 17 of the ribs 11, but glue 16 will also flow in the recesses and/or perforations 31 of the insulation jamb 7.
[0053] After it has set, the spread of the glue 16 will result in a secure bond between the metal jamb 5-6 and the insulation jamb 7, among others as the contact surface between the jambs and the glue is considerably larger and as the cured glue forms a sort of cross connection.
[0054] Consequently, the solidity of the connection is not only calculated on the action of the glue, but also on the filling effect of the glue.
[0055] If perforations 31 have been provided, the glue 16 will form a continuous layer in the perforations 31 between both ribs 11 of the metal jamb 5-6, which also reinforces the connection between the jambs.
[0056] The present invention is by no means restricted to the embodiments described as an example and represented in the accompanying drawings; on the contrary, such an improved composed jamb according to the invention can be made in all sorts of shapes and dimensions while still remaining within the scope of the invention.
1. Improved composed jamb for windows, doors or the like, which is composed of at least
two jambs made of metal, an inner jamb (5) and an outer jamb (6) respectively, which
are connected to each other by means of one or several insulation jambs (7), characterised in that at least one insulation jamb (7) is connected with at least one longitudinal edge
(14) to a metal jamb (5-6) concerned by means of an insert joint with a female coupling
element (17) and a male coupling element (19) which can work in conjunction with one
another by pushing both elements (17-18) into one another during the assembly of the
composed jamb (4) in a direction (P) crosswise to the longitudinal direction of the
insulation jamb (7), and in that these coupling elements (18-19) are glued together, characterised in that the male coupling element (19) is provided with straight walls (15) with which the
male coupling element (19) is held in the female coupling element (18) to make sure
that, during the assembly of the composed jamb, the coupling elements (18-19) to be
glued are kept in place in relation to each other while the glue (16) is setting thanks
to direct friction or clamping at the above-mentioned walls.
2. Improved jamb according to claim 1, characterised in that the female coupling element (18) is formed of a groove (10-27) which is provided
in the metal jamb (5-6) concerned or in an above-mentioned longitudinal edge (14)
of the insulation jamb (7), whereas the male coupling element (19) is formed of a
rib (25) of the metal jamb or of the longitudinal edge (14) of the insulation jamb
(7).
3. Improved jamb according to claim 1 or 2, characterised in that the side walls (12) of the female coupling element (18) directed towards each other
run parallel to one another or tapered towards the bottom (17) of the female coupling
element (18), as seen in the cross section.
4. Improved jamb according to any one of the preceding claims, characterised in that the male coupling element (19) is provided with a tapered end (22) so as to improve
the guiding in the grooves (10).
5. Improved jamb according to any one of the preceding claims, characterised in that at least the above-mentioned longitudinal edge (14) of the insulation jamb (7) is
made of a plastic or a composite material.
6. Improved jamb according to any one of the preceding claims, characterised in that, during the assembly of the metal jambs (5-6) and the insulation jambs (7), glue
(16) is provided on the head (21) of the male coupling element (19) or on the bottom
(17) of the female coupling element (18).
7. Improved jamb according to claim 6, characterised in that, during the assembly, an amount of glue (16) is used which makes sure that the glue
(16) spreads over the bottom (17) and/or the side walls of the groove (10) and around
the head (21) of the male coupling element (19).
8. Improved jamb according to any one of the preceding claims, characterised in that the insulation jamb (7) is a tubular, a U-shaped or a I-shaped jamb.
9. Improved jamb according to any one of the preceding claims, characterised in that the female coupling element (18) is formed of a groove (10) which is defined by two
ribs (11) provided on one of the parts of the metal jambs (5-6) directed towards each
other.
10. Improved jamb according to claim 9, characterised in that, during the assembly of the composed jamb (1), the above-mentioned ribs (11), after
the male coupling element (19) has been put in the groove (10) defined by the ribs
(11), are not mechanically deformed so as to clamp in the male coupling element (19)
between the ribs (11).
11. Improved jamb according to any one of the preceding claims, characterised in that means are provided to centre the male coupling elements (19) in the female coupling
elements (18).
12. Improved jamb according to claim 11, characterised in that the means for centring the coupling elements (18-19) are made as a V-shaped protrusion
(28) on the bottom of the groove of the female coupling element (18) and a corresponding
V-shaped recess (29) on the head (21) of the male coupling element (19).
13. Improved jamb (4) according to any one of the preceding claims, characterised in that the insulation jamb (7) is provided with a series of recesses or perforations (31).