JPH0687043A - Hollow shaped crosspiece for glazing heat insulating glass, production thereof and joining device for forming frame structure from said hollow shaped crosspiece - Google Patents

Abstract

PURPOSE: To provide a method for manufacturing a metal-made, especially aluminum-made transom hollow profile for heat insulating glass panes and a connecting device for constituting a transom construction of the hollow profile. CONSTITUTION: A welded round tube is made of a band material, a cross-sectional recessed part is formed within the range of a welded joint part, and a U-shaped or V-shaped slit 8 is formed. A slit 8b is simultaneously formed at a mirror image symmetrically part of the slit 8. The hole, into which a pin being a coupling element is inserted, is provided in a hollow transom, and a transom construction is constituted by the hollow transom and the connecting element. An aluminum material having an anodically oxidized coating is preferably used as the band material.

Description

Detailed Description of the Invention

[0001] The present invention relates to a hollow hollow material made of metal, particularly aluminum, for insulating glass, a method for producing the hollow hollow material, and a coupling device for constructing a hollow structure from the hollow hollow material. The heat-insulated glass casket is arranged, for example, between two panes of a window. The hollow shape rods forming the rod are inserted into each other by, for example, a cross joint member, and are connected to a connecting plug having a spacer frame covered with insulating glass. The casket has a metallic color or is color coated, the casket color often matching the color of the window frame.

In the well-known method of manufacturing a cauldron, a hollow profile bar is extruded as a so-called complete profile. With this manufacturing method, relatively thin walls are planned for hollow profile bars as it is possible to extrude thin wall thicknesses at a profitable expense. Therefore, a relatively large amount of material is consumed in such a box. Another drawback is
The coating on the outer surface of the hollow profile bar is expensive since the coating can only be performed after stamping.

In another known method of manufacturing a cauldron, a hollow profile bar with butt joints is formed from a metal strip, which is then closed by welding. The welded joint on the surface of the casket produced by this method is visible and not visually beautiful.
The coating allows the weld joint to be invisible, but the additional coating is as expensive as in the case of extruded cauldron profiles. Furthermore, the paint consumption is high because the coating must cover the weld joint so that the weld joint is not visible. During welding, it is impossible to apply the paint before welding, because the paint burns in the area of the welded joint and the hollow profile becomes unreadable.

As already mentioned at the beginning, a hollow structure is formed by assembling a hollow hollow member between two sheet glass sheets fitted with insulating glass for windows. For this reason, the traditional solution involves joining the end of the hollow profile cut with a mitering cut as a reinforcement from the side to the hollow profile that serves as the main sleeve, the end cut with the mitering cut being the main strut. It was possible to insert it into an appropriate lateral recess cut by the mitering cut of. Form-lockable inserts made of synthetic resin or steel into the hollow profiles serve for the non-visual joining of butt-joined hollow profiles.

A disadvantage of this known rod construction is that the required mitering cuts are expensive in terms of each of the two joined shapes and that the butt edges are often visible, even with strict practice, especially with time. It turned out to convey the impression that. In another joining method introduced there, this mitering cut was omitted, and two side edges were cut diagonally only at the end of the hollow section to be attached as a horizontal joint, resulting in upper and lower ends, and this end The side edge of the main sleeve was able to be overlapped and grasped by the part. The edges of the two overlapping parts are further beveled to fit the side bevels of the main shaft, these parts abutting the surface of the hollow profile to which they are attached without steps. Was done. 2 was used as the connection element
Two circular metal pins, each of which had a main hole with insertion holes, so that it was possible to install a horizontal joint on both sides, this pin fits in a circular groove inside the horizontal casing to be installed. The groove was formed continuously in both side surface areas of the flat profile.

The advantage of this solution was that the overlapping parts of the shunts to be mounted could be implemented with relatively low accuracy. Furthermore, the butt joint, which had been an obstacle until then, was eliminated. However, it was necessary to consider that forming the mounting groove inside the hollow shape member acting as a horizontal shaft was expensive. Moreover, the holes through which the circular metal pins were inserted had to be drilled with extremely high precision and with an accurate gauge. This is because otherwise mating within a given circular groove may not be achieved, or the plugged parts may only fit into the circular pin or circular groove or may cause material offset. Moreover, it is almost impossible to provide a circular hole if a non-perpendicular connection is desired, and another expensive (e.g. via adhesive joint) mounting scheme must be applied for this purpose. It was

In addition, the holes are very expensive to provide because the drill or mill has to be extended and drilled separately from both sides when the casket structure is wide. Moreover, as in the case of the above-described joining method, it is necessary to use a thick-walled shape member manufactured by the pressing method in order to ensure a stable hollow structure in which bending is surely prevented. As a result, the overall structure was not only expensive but also heavy.

An object of the present invention is to provide a metal hollow-coated and hollow-coated hollow hollow type having a welded joint which does not hinder the welded joint and has a comparatively bending rigidity and torsional rigidity despite the thin wall thickness. It is to provide the material easily. Furthermore, it must be provided with a hollow construction, which guarantees sufficient stability and enables the use of lightweight, thick-walled hollow profiles of the type mentioned above, in particular hollow hollow profiles, without any special alignment work.

According to the present invention, this problem relates to a hollow hollow frame member.
It is solved by the feature of. Advantageous developments of the hollow hollow profile according to the invention are specified in the dependent claims dependent on claim 1. The object of the invention relating to the shell structure is solved by the features of claim 16. Advantageous developments of the cauldron structure according to the invention are claimed.
It is specified in the dependent claims dependent on 16. In the hollow hollow profile according to the invention, the butt joints or welded joints are in the cross-section retraction of the hollow profile interior space. This prevents butt joints or welded joints from appearing on the surface. Furthermore, the cross-section recesses according to the invention increase the bending strength and, in particular, the torsional strength of the profile.

A particular advantage of the present invention is that the metal strip can be subjected to a surface treatment, in particular a colored surface coating or anodization, before it is formed into a hollow profile bar. It is therefore possible to produce hollow profile bars or rods from metal strips which have already been surface-treated or surface-coated. Such surface treatment or surface coating is easier, quicker to perform on the strip material than the hollow section bar,
It is cheap.

Another advantage of the present invention is that the welded joint can be better penetrated and therefore wider and more robust. Moreover, since the welded joint is lowered into the cross-section retraction portion until it becomes invisible, it can be enlarged. Furthermore, it is possible to schedule spot welding or even only partial welding rather than carrying out continuous welded joints, which can significantly reduce the manufacturing costs.

The essence of the present invention relating to the structure of the cauldron is 2
The two transverse hollow profiles facing each other are to be joined together with high strength. This high-strength connection is based on a skeleton structure which comprises in each transverse hollow section a connecting element and a pin rigidly connecting the connecting elements to each other. Due to the stability of this frame structure, it is possible to use extremely thin profiles for the horizontal crossbar and the main crossbar, as they are not directly involved in the connection of the caustic elements. Rather, the profile is assigned the role of a covering skin which is substantially pushed onto and held by the frame structure.
Deformation, bending and loosening of profiles are therefore largely eliminated, even when using very thin profile materials, which are only available for the first time.

According to the invention, the alignment of the main hollow profile with respect to the transverse hollow profile is effected by a special dimensional design of the insert holes provided in the main hollow profile for the pins. The insert hole is dimensioned according to the invention in such a way that the pin is guided substantially free of play in the plane of the cross shaft, but with play in the direction transverse to this plane. Precise guidance of the connecting pins in the crossing plane results in the desired alignment of the main hollow profiles with respect to the transverse hollow profiles, for example an angle of 90 °. However, in the direction transverse to the crossing plane, the main hollow section has a play with respect to the connecting pin inserted through this section, and thus with respect to the transverse hollow sections facing each other. As a result, the contour of the horizontal hollow profile comes into contact with the contour of the main hollow profile more neatly and without deformation. The meaning of this play is that if there is no play in the direction transverse to the crossing plane, then very thin profiles will inevitably deform under material tolerances or if manufactured incorrectly. Directly recognized at the Deaf point. This drawback is prevented by the play.

In other words, in other words, according to the invention, the stability against bending does not have to be provided by the pin-bonded hollow profiles themselves, as in the state of the art, but instead the coupling force is provided by the coupling element. Since it absorbs, it is possible to use a thin profile material. In this case, the end face of the coupling element facing the main hollow profile can advantageously run parallel to and directly adjoins the narrow side of the main hollow profile. According to an advantageous development of this idea, the extension parts projecting perpendicularly from the end face of the coupling element and facing each other grip the wider side surface of the main hollow profile, so that the contact between the coupling element and the main hollow profile is an area. Can be increased in terms of. Due to this planar abutment of the coupling element with the main hollow profile, torques and rotational forces are absorbed by the coupling element fitted to the mounted transverse hollow profile and thus act on the thin end of the installed main hollow profile. do not do. For this reason it is sufficient to use a single coupling pin. Moreover, this makes it easy to attach the horizontal hollow profile to the main hollow profile at a non-perpendicular angle.

According to an advantageous development of the invention, the contour of the connecting element is adapted to the slope of the inner wall of the transverse hollow profile, in which case the connecting element is preferably embodied as an elongated solid body. As a result, a strong and reliable connection between the connecting element and each transverse hollow profile is achieved. Furthermore, this design feature results in the introduction of forces from the coupling element into the transverse hollow profile over a large area.

According to a particularly advantageous development of the invention, preferably a single connecting pin is inserted into the connecting element in a form-locking, press-fitting manner. For this purpose, a mating hole is drilled in each coupling element, the wall of which is complementary to the contour of the pin. It is the polygonal formation of the pins and the respective fitting holes that serves for a stable connection of the pins and the transverse hollow profiles. A square configuration of the pin, especially a rectangle, especially a square cross-section pin is preferred.

Advantageously, not only the pin is press-fit into the connecting element, but the connecting element is also press-fit into the transverse hollow profile. This is achieved by the coupling element having a slit extending therethrough substantially parallel to the pin-fitting hole, in which case the coupling element is a kind of open leg at a predetermined angle in the slit range. The legs are constructed as dowels. When the connecting element configured as described above is inserted into the hollow shape member, the slit portion of the connecting element is compressed by the opening leg effect at the time of insertion, so that a pressure-fitting joint is obtained between the connecting element and each hollow shape member. . For the coupling element, but also for the pin, this force-fitting effect is advantageously at the pin inlet end when the coupling element is inserted into the side hollow profile, with the pin-fitting hole in the slit area of the coupling element. It can be increased by being narrower than.

This increases the leg opening effect of the coupling element with the slit when the pin is inserted, which in turn acts on the shape-locking force fit of the pin in the hole of the coupling element. As a great advantage of constructing the connecting pin as a polygon, in particular as a rectangle of rectangular cross-section, the insert hole for the pin is of the size intended according to the invention, i.e. there is no play in the intersecting plane.
However, in the direction crossing this plane, it is possible to easily realize the main profile with a dimension that allows a play. When using a pin with a rectangular cross section, all that is required is to start from the narrower side of the main hollow profile and to make a recess, for example by milling, whose width in the longitudinal direction of the main hollow profile is All that is necessary is to match the thickness and the height of the recess should exceed the thickness of the pin in the direction perpendicular to the longitudinal direction of the main hollow profile. In this way, it is possible to guide the connecting pins of rectangular cross-section without play in the cross-plane, while the pins are guided with play in the direction transverse to this plane.

Said recesses in the main hollow profile can be realized substantially more easily than the circular holes in the state of the art and preferably when using the desired thin profile which can be produced by an inexpensive roll process. Especially so. It has the advantage of being simple and quick to machine, in which case milling or sawing is easier than drilling the main hollow profile with a high edge. Further, an expensive tightening / piercing device is not required to provide the recess or the insertion hole, and the deformation force when the recess is provided is small. Finally, in contrast to the circular hole, which must adhere to standard dimensions,
It does not depend on the standard dimensions. Finally, the recesses forming the insert holes in the main hollow profile can also be very simply made in a non-perpendicular arrangement. Finally, the angle of intersection can be arbitrary.

Producing a coupling element made mainly of synthetic resin or other material (eg as an injection molded part) and fitting it into the hollow profile end by making it according to its inner contour Still does not require high technical outlays. Depending on the internal cross section of the profile, a fit, for example over several mating surfaces, is used, possibly in combination with a groove, in which the outer contour of the coupling element matches the inner contour of the transverse hollow profile. ing. The implementation of the coupling element or the negative part can be varied in order to achieve a friction lock and a fixed fit in the hollow profile. The friction lock is a friction rib,
It can be added by pressure fitting or the like. If, for example, the profile is provided with two inner side stabilizing beads on the profile, suitable grooves are provided on both sides of the coupling element for receiving the beads. In a special configuration, a ridge can be formed in the end face region between the projecting ends of the coupling element, adjacent to the recess of the pin, which is inserted in the recess due to the bead of the outer edge of the main hollow profile. It

In addition, it is advantageous to provide friction ribs on all four sides of the coupling element, which can be inserted firmly into the hollow profile when the form is locked, possibly with a pressure fit. The method applied to manufacture the casket structure according to the invention is simple to implement. One connecting element each is fitted at the end of the transverse hollow profile to be attached to the main hollow profile, in which case preferably one connecting element is previously inserted in this connecting element. Subsequently, the connecting pin is inserted into an appropriate recess of the main hollow profile, the end face and the front end or the overlapping part of the coupling element abutting the main hollow profile laterally at the open end of the mounted profile, and in some cases Holds it.

In one advantageous development, the connecting element is inserted into the hollow profile before the profile-forming milling. This produces a solid end of the hollow profile. In effect, a strong material is produced, consisting for example of two materials. The advantage is that the profile can be better fixed during contour milling. This is especially important if the profile is extremely thin, which is difficult to process without connecting elements. In addition, a more accurate press fit results because of the attachment to the continuous main shaft. For non-perpendicular mounting, the required saw-toothed parting line can be made by inserting the coupling element into the hollow profile.
Copy milling is done at an arbitrary angle in a suitable manner.

The present invention will be described in detail below with reference to the drawings.
FIG. 1 shows a window 1 with insulating glass. However, the invention is not only concerned with the transom window casket having an insulating glazing, but also with the insulating glazing itself. A window 1 having insulating glass is generally composed of a window frame 2, at least two sheet glasses 3 supported in the window frame 2 with a space therebetween, and a spacer frame 4 holding the sheet glass 3 at a distance and filled with a desiccant. Have. The casket 5 is arranged in the space between the plate glasses 3. The shell 5 consists of a metal hollow profile bar with a longitudinal welded joint 12a, which is put together in a cross formation. At the intersection, the casket 5 is assembled using cross-coupling members in a manner known per se (not shown). The coupling plug takes up the bearing of the cask 5 on the spacer frame 4 in a known manner.

The casket 5 can be of various hollow profile cross-sectional shapes. Shown is a general profile,
It has a side wall 6 arranged parallel to the plate glass 3 and an end wall 7 which is lateral to the side wall 6. The end wall 7 is narrower than the side wall 6,
Therefore, preferably a counterbore-shaped transition area 6a is provided between the walls 6,7. What is important is that both end walls 7, preferably in the center of their length, run in the longitudinal direction through the cross-section recesses 8, 8b.
Alternatively, the groove-shaped depressions 9 and 9a are provided.

The cross-section lead-in portions 8 and 8b have the same shape and are arranged symmetrically with respect to each other. The depth of each of the narrow grooves 9 and 9a is, for example, 1/8 to 1/10 of the height of the profile (the distance between the end walls 7). The width of the narrow grooves 9, 9a should be as small as possible,
In any case, the bottom of the groove should be small enough not to be seen from the outside. Preferably, the side walls 8a of the narrow grooves 9 and 9a are adjacent to each other.

Each of the casks 5 is cut into the required length of the hollow profile bar 11. The hollow section bar 11 is formed of a relatively thin metal strip, for example, aluminum, and has a long edge.
Tubes 11 bent so that they approach each other and thus closed 11
a is molded. The butt or longitudinal edges 12 are welded together, thus creating a welded joint 12a. Fine grooves 9, 9a are generated in the subsequent molding, and the welded joint 12a is pushed into the internal space 5a of the profile and disappears. In a preferred embodiment of the present invention, the welded joint 5 has a uniform appearance in the joint 5.
The area of the tube 11a opposite to the narrow groove 9 having the groove 12a is similarly grooved to obtain the narrow groove 9a.

The shell 5 is--as already mentioned--preferably made of aluminium. The wall thickness of the cauldron is about 0.4-0.6
mm. The outer peripheral surface of the cauldron preferably has a colored coating 6c or is anodized. A particularly simple way of manufacturing the hollow profile bar 11 becomes apparent from FIG. The starting material is a relatively wide metal strip 13, which is drawn from the wide strip wrap 14. The metal strip 13 is made of aluminum, for example, and has a relatively thin colored coating 6c on the outer surface 13a.

While being drawn out, the metal strip 13 is first cut in the longitudinal direction into a plurality of strips 15, from which the hollow profile bars 11 are preferably simultaneously formed, for example, by roll forming and / or. It is molded by coining. However, the strip 15 can be continuously processed after being wound. The hollow profiles 11 molded from the strip 15 may have the same or different cross-sectional shapes. Similarly, the strips 15 can have the same width or different widths.

The division of the metal strip 13 into the plurality of strips 15 by the notches 16 running in the vertical direction is performed in the processing section A through which the metal strip 13 passes during drawing. A processing part B having a forming tool (not shown) is located behind the processing part A in the drawing direction,
The strip 15 is then formed into a tube 11a, for example of circular cross section, with the longitudinal edges 12 abutting against each other. The colored coating 6c is then on the outer peripheral surface of the tube. The longitudinal edge 12 is welded, preferably laser-welded, at the working portion C having a welding device located behind the working portion B to form a welded joint 12a. The processing part D located behind the processing part C has a forming tool (not shown) and forms the cross-section retraction parts 8 and 8b, and at the same time or subsequently, it is also possible to mold the side walls 6, 6a and the end wall 7. it can.

During welding, the paint burns in the range of the welded joint 12a. Due to the cross-section recesses according to the invention in the welded joint area, the welded joint itself, and the colored areas damaged by the heat during welding, are hidden in the narrow groove 9 and they are not visible from the outside.
By this extraordinary measure, the hollow profile formed by welding from the coated metal strip can be used as a rod, and the welded joint and the partially burned colored area do not visually obstruct. However, even if an uncoated metal strip is used, a welded joint can be hidden to form a coffin that does not visually obstruct.

The continuously manufactured hollow profile bar 11 is cut to a suitable commercial length and supplied as an intermediate product to the insulated glass lining manufacturer. The manufacturer cuts the casket 5 from the hollow profile bar 11 to form the desired casket construction for insulating glazing.
Accordingly, the present invention teaches to provide at least one cross-section retraction to obscure the weld joint, and for visual reasons, at least one additional cross-section retraction is a mirror image of the cross-section retraction with the weld joint. Propose to arrange symmetrically. The welded joint does not have to be arranged on one end face. Rather, it can also be provided, for example on the side wall, if the visual demands of the casket allow it.

The construction of the embodiment shown in FIG. 4 is a main hollow section 101 made of a thin metal plate serving as a main column or a main section, and two reinforcing sections or horizontal hollow sections 102 mounted vertically and diagonally mounted. Hollow profile 103. Hollow profile 101,102,
103 is manufactured by a roll method and has the same structure. Rolling of the sheet-forming starting material of the profile is carried out so that on the longitudinal sides of the profile there are internal beads or folds 104 which contribute to the stabilization of the profile. Profiles 101, 102, 103
This particular cross-sectional shape of the cross-section of FIG. 5 is apparent, for example, in the left half of the side view of the cauldron structure shown in FIG. 4, and in the left side of the two horizontal hollow profiles 102 in FIG. This horizontal hollow section is cut in the same way as the hollow section 103 so that its connecting end has an upper part 105 and a lower part 105 'which overlap and grip the main hollow section 101 from the side. I am doing it. The illustrations selected in FIG. 5 give a view of the main hollow profile 101 which corresponds to the profile cross section. Here, two side beads 104 are seen, which are arranged in a plane extending perpendicular to the plane shown, which plane is the two of the profiles 101, 102, 103.
It is one of the two mirror image planes. The second mirror image symmetry plane runs perpendicular to the first-pointed plane through the two wide sides of the profile. The wide side of the profile includes two parallel extending head faces 106,106 'and laterally next thereto two bevels 107,107' which are concavely curved towards the narrow side of the profile. . The narrower side profile of the profile is obtained as a chamfer transition 108, 108 'from the bevel 104 or 107' to the bead 104, 104 'due to the internal bead configuration.

The profile milling of the connection ends of the horizontal hollow shape members 102 and the hollow shape members 103 is performed by projecting portions 109, 10 on the head surface of these shape members.
9'when the horizontal profile is attached to the main profile, its head 106,106 '
Is selected to abut the transition edge from to the subsequent slope 107 or 107 '. The front edge of the protrusion 109 or 109 'therefore runs straight and perpendicular to the longitudinal axis of the profile. The side edge 110, which is retracted following the protrusion 109 or 109 ', has its cutting edge adjacent to the convex slopes 107, 107' when the horizontal hollow section is attached to the main hollow section 101. The obliquely extending edge 110 extends to the narrow side surface of the connecting end of the horizontal hollow shape member, and the thin side surface is cut by straightly extending the main hollow shape member.
Abut the narrow side of 101.

Therefore, when the narrow side surface of the horizontal hollow profile is viewed from above, a substantially U-shaped profile gradient occurs in the range of the connection end, and the U leg of the profile milling is curved accordingly. is doing. When the wide side of the horizontal hollow section is viewed from above, a substantially trapezoidal section gradient occurs in the connecting end region. Said shaping of the hollow profile should convey a visual impression in the case of the actual casket. However, this modeling is not compulsory. Rather, any substantially rectangular cross-sectional shape that is possible is available.

What is important in the cauldron structure in question is that a frame structure is selected which can appropriately reduce the wall thickness of the hollow frame as compared with the conventional hollow frame used in the cauldron structure. Is. Especially in the frame structure described in detail below,
Wall thicknesses as small as 1/10 of those of conventional cauldron structures can be used. One element of the frame structure, namely the connecting pin 111
Are shown in FIGS. 4 and 5. The connecting pin 111 extends laterally through the main hollow profile 101, the narrower side of which is provided with an insert hole 112, as is particularly apparent from FIG. 6 which shows an exploded view of the elements of the cauldron structure of FIG. The connecting element 113 with the connecting pin 111 inserted is inserted into the connecting end of the cross section, as will be explained in more detail below.

As can be seen from FIGS. 6 to 9, the connecting element is constructed as a solid body, the contour of which conforms to the contour of the inner wall of the profile as best seen from the cross-sectional view of FIG. There is. In the coupling element 113, two flatly extending, opposed heads 114, 114 'and a flank 115, 115' next to it, which are complementary to the hollow profile, can be seen, which slope is aligned with the slope 107 of the hollow profile. Curved in a convex shape. In the embodiment shown in FIG. 9, the side surface 116 only roughly fits the inner contour of the hollow profile, where it is the beads 107, 107 '.
And a rounded surface 108, 108 ', the rounded surface having a slope in cross section with the bead in the center which is reminiscent of the bulging slope of B. Side 116 does not have this delicate contour,
Therefore, the widening of the connecting element 113 from the side surface 116 to the side surface 116 approximately corresponds to the inner width between the opposed beads 104 of the hollow profile. Advantageously as a selection option the coupling element 11
The width expansion of 3 can be selected so that it corresponds to the distance of the inner wall of the narrow side surface of the hollow profile.
In this case, a recess is provided in the side wall 116 of the coupling element 113 adjacent to the bead 104. This allows the connecting element 11
A full surface contact of 3 with the inner wall of each hollow profile is achieved.

A hole 117 is provided in the center of the coupling element 113, as will be apparent from the cross-sectional view of the coupling element 113 in FIG.
It serves to receive the connecting pin 111 and has a cross-sectional shape that closely matches the cross-sectional shape of the connecting pin. The cross-sectional shape shown in FIG. 9, ie the square cross-section of the hole 117 and the corresponding square cross-section of the connecting pin 111, is preferred.

Coupling pin in the receiving hole 117 of the coupling element 113
In order to ensure a firm fit of 111 and at the same time a firm fit of coupling element 111 within the connecting end of the transverse hollow profile, coupling element 113 is a kind of composite, as best seen in FIG. The legs are constructed as resin dowels. For this purpose, the solid connecting element 113 is provided in the longitudinal direction with a slit 118, which slit extends in the direction of the central longitudinal axis of the connecting element 113. The bottom of the slit 118 is the mating hole 117 for the pin 111.
In the front one-third, the hole also extends along the central longitudinal axis of the coupling element 113, and its length corresponds to approximately two-thirds of the length of the coupling element 113. In other words, the fitting hole 117 is configured as a blind hole. Fitting hole 117 when viewed from the pin insertion direction
Starting from its bottom at the front of the slit, the coupling element
It is open to the opposite end of 113 at an angle α upright in the plane of the drawing, which becomes apparent from the left half of FIG.
The right half of FIG. 8 shows the coupling element 113 fully inserted into the hollow profile, which element is only schematically shown like the pin 111 inserted in the mating hole 117 for clarity. As will be clear, the mating hole 117 that extends straight in the relaxed open position shown in the left half of FIG. 8 has its V-shaped open leg when the coupling element 113 shown in the right half of FIG. 8 is in the compressed state. In the area of the slit 118, in which is completely overcome, the cross-section is gradually narrowed in the insertion direction of the pin 111. This has the effect that when the pin is inserted, the opening force that assists the potential opening force of the coupling element 113 in the inserted state is applied to the hole wall through the slit across the direction in which the pin is inserted into the fitting hole 117 in the slit range, This opening force is generated by the compression of the connecting element material in the slit area of the fitting hole. The result is an eccentric press fit of the coupling element 113 within each hollow profile and also a valuable press fit of the pin 111 within the mating hole 117.

A coupling element, as will be more apparent from FIG.
The front end of 113 is tapered at an angle β. For this purpose it has an obliquely extending sidewall portion 120. This is preferably on the side wall 116 as well as on the head surface 114,
In some cases, the slope 115 is also formed. This wedge-shaped design of the front end of the coupling element allows easy insertion at the connecting end of each transverse hollow profile, especially in view of the open-leg configuration of the coupling element.

In the region of the rear front surface 121 when viewed in the direction of insertion, the coupling element 113 is constructed with a wide width and is also a slope, that is to say a surface which abuts the slope 120 with a complementary slope.
By 120. This achieves a special inner pressure contact of the outer end of the coupling element 113. A wall part 123 also extends obliquely in the region of the side wall 116 between the rear end slope 122 and the front end slope 120 of the coupling element 113. It extends at an angle β, which is half the opening angle α of the slit 118, and this wall 123 is similar to a synthetic resin open-leg dowel when the connecting element 113 is inserted into the transverse hollow profile. Align parallel to the side wall of the.

The coupling element 113 of the variant shown in FIG. 6 is shown in FIG.
6 is the same as the coupling element of the embodiment shown in FIG. 6, except that the oblique wall 122 provided at the front is not provided in the modification of FIG. 6 and the longitudinal slit 118 is near the end wall of the coupling element 113 on the pin insertion side. Has been extended to. In FIG. 6 the connecting element 113 is shown when it is inserted into the hollow profile 102, ie after overcoming the initial open leg shape of the connecting element 113 as shown in the left half of FIG. It is shown. To the left and right of the slit 118 and parallel to this, the head surfaces 114, 114 'of the coupling element 113 are grooved 124.
Extend over the entire length of the coupling element 113 and communicate with each end face. This groove causes a certain elasticity of the connecting element 113 in the lateral direction, i.e. in the direction towards the two smaller flanks 116, which elasticity facilitates the pressing of the connecting element into each hollow profile.

As will be apparent from FIG. 7 in conjunction with FIG. 5, the front end face of the coupling element 113 is aligned with and terminates with the edge of the recessed narrow side of the hollow profile, which is the profile connection. It is the bottom of the U-shaped cross section of the profile when the narrow side of the end is viewed from above. As a result, the front end face of the coupling element comes into contact with the narrow side face of the main hollow frame member facing the coupling element face with a large surface. As will be more apparent from FIG. 7, the length of the connecting pin 111 and the depth of the fitting hole 117 are such that the hollow profiles 101, 102 still do not make a fitting connection when the pin is fully inserted into the connecting element. The pins and connecting elements are selected to form a rigid high strength frame. Rather, the horizontal hollow frame 102 is a frame element 111,
When 113 is completely connected, the main hollow section 101 is completely overlapped visually, but no force is exerted on the hollow section. Rather, the hollow profile forms a coating that serves as a so-called exterior of the frame structure and is not subject to any bending forces. For this reason, the hollow member having the above-mentioned hollow structure can be made substantially thinner than in the case of the state of the art in which the supporting function belongs to the hollow member.

As is clear from FIG. 7, but also from the center of FIG. 6, the dimension of the insertion hole 112 of the main shape member 101 in the plane shown in the drawing is the thickness of the connecting pin 111 in this plane. It almost agrees. This makes pin 11
1 will be received without play in the intersecting plane, so that the desired intersecting angle will be accurately maintained. On the other hand, in the direction perpendicular to the plane of the cross shaft, the pin 111 has a play in the insertion hole 112 and is received therein. This is achieved by the insertion hole extending substantially over the width of the narrow side of the main hollow profile, up to the head surface 106, 106 'of the main hollow profile. As a result, the following shape of the insertion hole 112 is obtained. When looking at the narrower side of the main hollow profile 101, the opening is rectangular and the narrower side of this rectangle runs in the longitudinal direction of the main hollow profile 101 and is equal to the thickness of the pin 111, The longer side exceeds the pin thickness.
When the wide side surface of the main hollow section 101 is viewed, the insertion hole 112 for the pin 111 runs in a U shape, and the bottom of this U shape is a predetermined amount from the outer edge of the hollow section, and preferably the hollow section of the hollow section 101. It recedes to the head surface 106, or at least to the center of each slope 107. The U-shaped bottom never extends into the main hollow profile such that its structure weakens, or is not covered by the protrusions 105 of the fully attached transverse hollow profile 102.

Although not required for frame stability,
It is basically possible to provide more than one pin for rigidly connecting the coupling elements 113 to each other. FIGS. 10 and 11 show the casket structure of the modified embodiment in the same illustration and arrangement as the casket structure of FIGS. 6 and 7, and only the differences from the arrangements of FIGS. 6 and 7 will be mentioned. The main difference between the cauldron structure shown in FIG. 10 and FIG. 11 is that the shape of the coupling element 113 is different from that of the cauldron structure. The coupling element 113 shown in FIGS. 6 and 7 does not have a longitudinal slit and is contoured with a protrusion on the front as will be explained in more detail below.

As can be seen from FIGS. 10 and 11, the coupling elements are formed with a plurality of mating surfaces, a total of four, so as to fit from the top, the bottom and the side of the end of the hollow profile mounted straight or diagonally. is there. The upper and lower mating surfaces 125 are divided by two grooves and extend beyond the end face side of the coupling element 113 attached to the hollow profile 101 to the protruding end 126, which end is divided into three parts. It consists of individual segments which, when connected to the main hollow profile 101, lay flat on the main hollow profile 101 like the overlapping part 105. Due to this segmentation, even if the synthetic resin is inferior in elasticity and the wall thickness of the segment is large, it is possible to elastically abut the segment on the upper surface and the lower surface of the side portion of the main hollow shape member by the pressure fitting effect.

The part 126 is constructed somewhat shorter than the overlapping part 105 of the transverse hollow profiles 102, 103, which is not visible after the connection of the profile parts. A coupling element 113, for example made by injection molding of synthetic resin, receives the pin 111 in a precisely shaped rectangular recess, with a press-fit as already mentioned above. In order to still improve the shape-locking fit of the coupling element 113, not only is there a groove on its side for receiving the bead 104, but also a ridge is formed parallel to the coupling element head face,
This ridge is inserted in the recess shown in FIG. 5 formed by the bead 104 on the outer surface of the hollow profile 101.

Furthermore, in order to grip the coupling element 113 securely, friction ribs extending in the inserting direction are preferably formed on the head surfaces 114, 114 'and the side walls. This reduces the requirements for manufacturing and processing accuracy both for the hollow profiles and for the coupling elements. The shape of the main hollow profile and the transverse hollow profile, and the fitting of the matching coupling elements thereto, is not limited to the solution shown, but rather can be significantly different from that depending on the requirements or another fitting method. Can also be selected. It is basically possible to adapt the shape of the coupling element to the shape of the hollow profile only roughly and to use a curable synthetic resin material for a tight fit of the coupling element. The same applies to inserting the pin or pins into the coupling element. Forming or contour milling cutters are preferably used for molding the synthetic resin joining elements.

The same applies to the manufacture of the hollow profile parts 104, 104 '. The length of the coupling element 113 is adapted to the width and the wall thickness of the profiles 101, 102, 103. The same applies to the length of the overlapping portion 126. Depending on the size and wall thickness of the hollow profile, the fitting of the coupling element and the material, a great variety of dimensional designs are possible with the advantageous effect of transmitting forces to the coupling element and strengthening it.

[Brief description of drawings]

FIG. 1 is a schematic front view of a window having insulating glass.

FIG. 2 is an enlarged cross-sectional view taken along the line II-II of FIG.

[Fig. 3] Fig. 3 is a perspective view schematically showing the production of a hollow cauldron from a wide band winding body.

FIG. 4 is a part of a cauldron structure according to the present invention in which horizontal hollow members are attached at right angles and diagonally.

5 is a side view of the casket structure shown in FIG. 1. FIG.

FIG. 6 before the joining of the individual elements of the structure shown in FIG.

FIG. 7 is a cross-sectional view of a main hollow section, a square pin inserted into it, a hollow section to be attached and a connecting element for the two sections.

FIG. 8 a preferred embodiment of a coupling element according to the invention.

9 is a cross-sectional view of the coupling element shown in FIG.

FIG. 10 shows another embodiment in which the individual elements of the structure shown in FIG. 4 are shown in the same illustration as in FIG.

11 is a sectional view similar to FIG. 7 when the coupling element shown in FIG. 10 is used.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Horst Ringemann Wuppertal 1, Germany Wolperstraße 247 (72) Inventor Siegfried Glazer, Federal Republic of Germany Beferungen, Kappellenberg 53

Claims (49)

[Claims] 1. In a hollow hollow metal material having a vertically long welded joint for insulating glass, particularly an aluminum hollow joint, the welded joint (12a) is arranged so as to be visually concealed in the cross-section retraction portion (8). A hollow hollow material characterized by being present. 2. The hollow cauldron section according to claim 1, characterized in that it has at least one other sectional caulking section (8b) provided in mirror image symmetry on the side opposite to the sectional caulking section (8) of the cauldron hollow section. . 3. A hollow hollow profile according to claim 1 and / or 2, wherein the hollow profile has two side walls (6) arranged parallel to one another and two end walls (7) transverse to it. A hollow hollow section member, characterized in that the cross-section lead-in portions (8, 8b) are arranged in the longitudinal center of the end wall (7). 4. The cross-section lead-in part (8, 8b) is a U-shaped or V-shaped slit (9, 9a) in cross section, and the welded joint (12a) is in the bottom range of the slit (9). The hollow hollow profile according to any one of claims 1 to 3 or more. 5. The side walls (8a) facing each other of the slits (9, 9a) are arranged adjacent to each other.
The hollow hollow section material according to any one of the items 1 or 2. 6. An outer peripheral surface of the hollow hollow member is coated, especially colored coating, according to any one of claims 1 to 5.
A hollow hollow section material according to item or plural items. 7. The hollow hollow profile according to claim 1, wherein it is made of aluminum and the outer peripheral surface is anodized. 8. A hollow hollow profile according to any one of claims 1 to 7, which comprises a metal strip, preferably a color-coated or anodized strip, in particular an aluminum strip. Forming a tube by bending the longitudinal edges of the strips towards each other until they abut.
Next, in the method of welding the longitudinal edges and further shaping the pipe into a hollow cross-section having a specific cross-sectional shape, the cross-section lead-in portion is formed in the pipe within the range of the weld joint immediately after welding, and the weld joint is A method characterized in that it is positioned so that it cannot be visually observed at the bottom of the cross-section lead-in part. 9. The method according to claim 8, wherein the cross-section lead-in portions having the same shape are molded in mirror image symmetry, preferably simultaneously, in a region facing the cross-section lead-in portion. 10. The method according to claim 8 and / or 9, characterized in that a U-shaped or V-shaped slit is formed as the cross-section lead-in portion. 11. A method according to any one or more of claims 8 to 10, characterized in that the opposite side walls of the cross-section retraction part are continuously pressed against one another. 12. The method according to any one of claims 8 to 11, wherein a circular tube is formed from a strip. 13. The method according to claim 8, wherein a plurality of thin strips or vertical cuts are formed from a relatively wide metal strip, and the hollow strips are preferably formed simultaneously from the strips.
12. The method according to any one or more of 12. 14. A method according to claim 13, characterized in that a metal strip whose one side is color-coated or anodized is used. 15. Insulating glass-clad having a casket, wherein the casket has the features of claims 1 to 7. 16. A hollow shape member according to any one of claims 1 to 7, in particular, a two-sided plate glass having a groove made of a hollow shape member, in particular, a grooved structure assembled between window glass plates, In order to form at least one cross-shaped cross section in the main hollow section of the above, at least two horizontal sections aligned with each other and gripping the main section are attached at a predetermined angle, and the main hollow section is further divided into two horizontal hollow sections. A hollow hollow member (102, 10), which has at least one pin which is connected to the member, and which pin is inserted into the main shape member and is firmly connected to the two horizontal hollow members.
The coupling element (113) that can be inserted into the 3) and is then firmly connected to it has the fitting recess for the pin (111) and the insertion hole (112) for the pin (111) in the main hollow profile (101). The hole has a pin (11
1) is designed so that it is guided with substantially no play in the crossing plane, but with play in the direction crossing this plane. 17. Cascade structure according to claim 16, characterized in that the contour of the coupling element (113) is adapted to the slope of the inner wall of the transverse hollow profile. 18. The cavernous structure according to claim 17, characterized in that the coupling element (113) is constructed as a longitudinal solid body. 19. The casket structure according to claim 17 or 18, characterized by a fitting hole formed substantially centrally in the coupling element (113) for the pin (111). 20. The casket structure according to claim 19, wherein the fitting hole is formed as a blind hole. 21. The casket structure according to claim 19 or 20, wherein at least the insertion side of the fitting hole is configured to be complementary to the contour of the pin. 22. The pin according to claim 19, wherein the pin (111) is configured as a polygon and the fitting hole has the same cross section as the cross section of the polygon. Cascade structure. 23. The cavernous structure according to claim 22, characterized in that the pin (111) is configured in a rectangular shape, in particular in a rectangular shape in cross section, preferably in a square shape. 24. The coupling element (113) has a slit (118), which extends substantially parallel to and through the mating hole for the pin (111). The casket structure according to any one of 19 to 23. 25. The casket structure according to claim 24, characterized in that the coupling element (113) is configured as an open leg dowel at a predetermined angle in the slit area. 26. Connection element (113) to a horizontal hollow section (102, 103)
When the pin (111) is not
26. The cavernous structure according to claim 24 or 25, characterized in that it is narrower in the range of 18) at the inlet end for the pin (111). 27. The casket structure according to claim 19, wherein the narrowing of the fitting hole increases in the inserting direction of the pin (111). 28. The casket structure according to claim 27, characterized by a substantially conical narrowing. 29. The coupling element (113) is characterized in that the ends closed by the cross-sections (102, 103) are widened.
31. The casket structure according to any one of 16 to 28. 30. The casket structure according to claim 29, characterized by a substantially conical wide portion. 31. Cascade structure according to any one of claims 16 to 30, characterized in that the inner end of the coupling element (113) is tapered. 32. The casket structure according to claim 31, characterized by a substantially conical taper. 33. The insert hole (112) of the main hollow profile is characterized in that it comprises an opening aligned with each other on the narrow side and a recess in the wide side of the main profile following in the pin insertion direction. Item 13. The casket structure according to any one of Items 16 to 32. 34. The cavernous structure according to claim 33, characterized in that the opening is adapted to the cross section of the pin (111). 35. The cavernous structure according to claim 34, wherein when the pin has a rectangular cross section, the opening is also rectangular. 36. When the wide side surface is viewed, the concave portion of the wide side surface of the main hollow frame member extends in a U shape with the opening on the side surface of the narrow side surface. Described structure. 37. A coffin according to claim 34, characterized in that the width of the opening corresponds to the thickness of the pin (111) in the longitudinal direction of the main hollow profile (101). Construction. 38. One of the claims 34 to 37, characterized in that the height of the recess exceeds the thickness of the pin (111) when viewed perpendicularly to the longitudinal direction of the main hollow profile (101). Described structure. 39. The connecting element (113) has a horizontal hollow profile (102, 103).
Any of the preceding claims, characterized in that it is provided with a groove for laterally fitting into it, which groove receives a reinforcing rib inside the hollow profile (101, 102, 103), preferably manufactured by a roll process. The structure of the item. 40. A preceding claim, characterized in that the coupling element (113) has a substantially flat end surface, which extends substantially perpendicular to the longitudinal direction of the transverse hollow profiles (102, 103). Item 8. The casket structure according to any one of items. 41. Cascade structure according to any one of the preceding claims, characterized in that the coupling element (113) and its ends have a contour adapted to the outer contour of the main hollow profile (101). 42. Coupling element (113) abutting the main profile (101)
In addition to the recess for the pin (111), the ridge extending to the upper surface and the lower surface of the coupling element (113) is formed on the end surface of this, and this is fitted in the horizontal recess formed on the outer surface of the main hollow section (101). The casket structure according to any one of the preceding claims, characterized in that 43. The coupling element (113) is configured with an upper mating surface (114), a lower mating surface (114 ') and a lateral mating surface (116), these mating surfaces being preferred. 8. Cascade structure according to any one of the preceding claims, characterized in that it comprises friction ribs extending parallel to the front end face (121) of the coupling element. 44. The coffin according to claim 43, characterized in that the upper mating surface (114), the lower mating surface (114 '), and the portion (126) formed by the extension thereof are subdivided. Construction. 45. The end of the coupling element has a hollow transverse section (102, 103).
45. The casket structure according to claim 44, wherein the casket structure extends in a U shape when the narrower side surface of the cauldron is seen. 46. One of the preceding claims, characterized in that the coupling element (113) is made of synthetic resin, metal or wood.
The structure of the item. 47. Cascade structure according to any one of the preceding claims, characterized in that the insert hole (112) for the pin (111) is sawed or milled. 48. The end face of the coupling element (113) that abuts the main profile and the insertion hole (112) for the pin (111) are the hollow profile (10).
48. The cavernous structure according to claim 47, wherein the cavernous structure is appropriately inclined with respect to the non-rectangular projections of (2, 103). 49. Cascade structure according to any one of the preceding claims, characterized in that the pins (111) are made of metal.