EP1409811B1 - Fastening device for flat elements - Google Patents

Abstract

The invention relates to a fastening device (1) for flat elements (4), especially glass panes, comprising a first retainer element (2) and a second retainer element (3). The two retainer elements (2, 3) receive the flat elements (4) to be fastened and are interlinked by means of fastening elements (9) so as to retain the flat elements (4). At least one retainer element (2, 3) is provided with projecting zones (5) and recessed or standing back zones (6) on the side facing the flat element. When the fastening device (1) is mounted, the flat element (4) is in contact with the projecting zones (5) and is spaced apart from the standing back zones (6) in the mounted state.

Description

The present invention relates to a fastening device for sheet-like elements according to the preamble of claim 1. In particular, the present invention relates to a fastening device for glass sheets.

It is known, for example, to attach glass panes by means of screws and angles on facades of houses. In this case, through holes must be made in the glass, through which the screws or similar fasteners can be inserted. This type of attachment is relatively complicated and labor-intensive, since a large number of holes must be made in the glass panes and this entails a complicated assembly of the glass by itself.

From the EP-0 931 943 A2 a fastening device for sheet-like elements is known, which is formed from a base plate with an integrally connected hollow shaft. With a screw inserted through the hollow shaft and provided with an external thread, the fastening device can be screwed onto a frame of a stand construction system. The bottom plate has four radially symmetrically arranged webs whose height corresponds approximately to the thickness of the planar element to be used. On the webs a flat cover member can be placed, which has a central bore through which a second screw in the hollow and provided with an internal thread head of the first screw can be screwed. This allows up to four planar elements to be held at their corners. However, this fastening device can only due to its design inside of buildings such. B. at measuring o. Ä. Be used, since it is not suitable, for. B. Wind loads to wear. Furthermore, the type of clamping the glass is very problematic, since the glass sheets are held only at their edges by this attachment. The glass panes thus experience just in the area in which no pressure should be the greatest burden. For this reason, the attachment is not suitable for outdoor use, where additional stresses are added to the clamping forces.

In the US 3,778,942 a holder for glass or facade panels is shown, in which the edges of the glass plates rest on the support surface of the fastening device.

The FR1011503 shows a star-shaped mounting device for glass, in which a plurality of glass sheets is clamped by a central attachment.

In the EP 0712971 A1 a glass plate holder is described in which a seal is used between the clamping part and the glass sheet.

It is therefore an object of the present invention to provide a fastening device for sheet-like elements such as glass panels in particular, which holds the sheet-like elements safely even with dynamic loads with a simple structure and simple, quick installation.

This object is achieved by a fastening device with the features of claim 1. The subclaims show further advantageous embodiments of the present invention.

According to the invention, at least one retaining element has projecting and recessed regions on a surface which is planar Element are directed. In this case, the protruding areas are in contact with the sheet-like elements in the assembled state of the fastening device and the recessed areas are spaced from the sheet-like elements. With this structure, it is possible that not only the holding members but also the sheet-like members have a supporting function. In this case, the sheet-like elements can absorb in particular wind loads. The arrangement of projecting and recessed areas on the holding element, the risk of breakage of the sheet-like element, in particular when using glass sheets as sheet-like elements, significantly reduced because no pressure is exerted on the edge of the glass sheet. The pressure distribution at the clamping point is significantly improved and extends over a larger investment area, which reduces the total surface pressure .. Thus, the fastening device according to the invention can be used in outdoor areas of buildings z. B. as cladding o. Ä. Be used.

The retaining elements are annular or formed as a circular surface. As a result, the holding elements have a small surface area while at the same time having better fastening, as a result of which they can be used in particular on visually appealing facades. Furthermore, the holding elements thereby have a very low weight and can be easily produced by casting.

At least one retaining element has abutment areas on its side facing the sheet-like element. These stop areas act as a stop for the sheet-like elements. As a result, an exact positioning of the sheet-like elements is possible. The stop areas also allow easy mounting of the fastening device according to the invention.

In order to provide a particularly simple installation of the fastening device, the stopper areas on through holes, in which they fasteners such. B. pick up bolts or screws. The protruding areas may be positively connected to the holding elements, but it is also possible that the protruding areas are made of a different material, as is commonly used as an intermediate layer in glass panes for use. This also applies to the stop areas.

According to the invention, it is possible for the protruding areas to be formed immediately adjacent to the abutment areas, or for the recessed areas to be formed immediately adjacent to the abutment areas.

In order to provide the largest possible contact surface for the large and heavy area-like elements, the stop areas are formed by a center of the holding element to the edge of the holding element. By this configuration, web-shaped stop areas, which meet at the center of the holding element.

Advantageously, the fastening device has a third retaining element, which has an angled region. In this case, the second holding element also has an angled region. Between the angled portions of the second and third holding element can thereby a perpendicular to the other sheet-like elements arranged sword (sheet-like element) are held for stiffening facades.

In order to provide a simple and stable fastening device, a holding element may be circular.

Particularly preferably, the holding elements with a further retaining element for fastening a steel structure or for fastening of Steel cables connected. As a result, the fastening device according to the invention can also be used at the same time as a fastening device for a steel structure or tensioned steel cables tensioned in front of or behind a façade constructed of sheet-like elements. By using the steel structure or the steel cables, the façade made of sheet-like elements can absorb even larger loads.

According to the invention, a fastening device is thus provided which is planar. Elements, in particular glass panes, fastened together such that the sheet-like elements have a supporting function. Thus, the fastening device according to the invention is particularly suitable for use in the outdoor area of buildings.

The fastening device can also z. B. consist of holding elements, which are designed as flat rings or discs. In order to achieve the secure contact surface for the glass panes, the areas of the stops or / and the protruding and recessed areas can be realized by additional elements or spacers. The additional elements and spacers can simultaneously from another material, eg. As plastic. Since the holding elements consist of flat rings or discs, these production technology can be easily manufactured.

Figur 1:

eine perspektivische Ansicht eines Halteelementes von der Anschlagseite gemäß einem ersten Ausführungsbeispiel der vorliegenden Erfindung.

Figur 2:

eine perspektivische Ansicht des in Figur 1 dargestellten Halteelementes, von der Rückseite;

Figur 3:

wie Figur 1, nur aus mehreren Materialien bestehend;

Figur 4:

eine Vorderansicht auf eine erfindungsgemäße Befestigungsvorrichtung in montiertem Zustand gemäß dem ersten Ausführungsbeispiel der vorliegenden Erfindung;

Figur 5:

eine teilweise geschnittene Seitenansicht der in Figur 4 dargestellten Befestigungsvorrichtung gemäß einem Schnitt C-C in Figur 4;

Figur 6:

eine teilweise geschnittene Seitenansicht einer Befestigungsvorrichtung gemäß einem Ausführungsbeispiel mit einer Abspannung durch ein Seil;

Figur 7:

eine Draufsicht einer Befestigungsvorrichtung gemäß einem Ausführungsbeispiel der vorliegenden Erfindung mit einem Aussteifungsschwert;

Figur 8:

eine teilweise geschnittene Seitenansicht der in Figur 7 dargestellten Befestigungsvorrichtung in Richtung des Schnittes A-B in Figur 7;

Figur 9:

eine teilweise geschnittene Seitenansicht der in Figur 7 dargestellten Befestigungsvorrichtung;

Figur 10:

eine perspektivische Ansicht von unten eines Zusatzelementes;

Figur 11:

eine perspektivische Ansicht von oben des in Figur 10 dargestellten Zusatzelementes;

Figur 12:

eine perspektivische Ansicht von unten eines Halteelementes gemäß einem weiterem Ausführungsbeispiel der vorliegenden Erfindung;

Figur 13:

eine perspektivische Ansicht von oben des in Figur 12 dargestellten Halteelementes;

Figur 14:

eine perspektivische Ansicht von unten eines Halteelementes gemäß einem Ausführungsbeispiel mit durchgehenden Anschlagstegen;

Figur 15:

eine perspektivische Ansicht von oben des in Figur 14 dargestellten Halteelementes;

Figur 16:

eine perspektivische Ansicht von vorne eines Halteelementes gemäß einer weiteren Ausführung;

Figur 17:

eine perspektivische Ansicht eines Halteelementes gemäß einem weiterem Ausführungsbeispiel der vorliegenden Erfindung;

Figur 18:

eine perspektivische Ansicht von unten eines Halteelementes gemäß einem weiterem Ausführungsbeispiel der vorliegenden Erfindung;

Figur 19:

eine perspektivische Ansicht von unten eines Halteelementes gemäß einer Halbkreisausführung der vorliegenden Erfindung;

Figur 20:

eine perspektivische Ansicht eines Halteelementes mit kurzen Anschlägen und einem durchgehenden Steg;

Figur 21:

Seitenansicht eines Zwischenstückes

Figur 22:

Draufsicht nach Figur 21

Figur 23:

Perspektivische Darstellung eines Zwischenstückes nach Figur 21 in der Rückansicht; und

Figur 24:

wie Figur 23, jedoch in der Vorderansicht

The invention will be described below with reference to schematically illustrated embodiments. It shows:

FIG. 1:

a perspective view of a holding element of the abutment side according to a first embodiment of the present invention.

FIG. 2:

a perspective view of the in FIG. 1 shown holding element, from the back;

FIG. 3:

as FIG. 1 , consisting of only several materials;

FIG. 4:

a front view of a fastening device according to the invention in the assembled state according to the first embodiment of the present invention;

FIG. 5:

a partially sectioned side view of the FIG. 4 illustrated fastening device according to a section CC in FIG. 4 ;

FIG. 6:

a partially sectioned side view of a fastening device according to an embodiment with a tension by a rope;

FIG. 7:

a plan view of a fastening device according to an embodiment of the present invention with a stiffening sword;

FIG. 8:

a partially sectioned side view of the FIG. 7 illustrated fastening device in the direction of the section AB in FIG. 7 ;

FIG. 9:

a partially sectioned side view of the FIG. 7 illustrated fastening device;

FIG. 10:

a perspective view from below of an additional element;

FIG. 11:

a top perspective view of the in FIG. 10 illustrated additional element;

FIG. 12:

a perspective view from below of a holding element according to a further embodiment of the present invention;

FIG. 13:

a top perspective view of the in FIG. 12 shown holding element;

FIG. 14:

a perspective view from below of a retaining element according to an embodiment with continuous stop webs;

FIG. 15:

a top perspective view of the in FIG. 14 shown holding element;

FIG. 16:

a perspective view from the front of a holding element according to another embodiment;

FIG. 17:

a perspective view of a holding element according to a further embodiment of the present invention;

FIG. 18:

a perspective view from below of a holding element according to a further embodiment of the present invention;

FIG. 19:

a perspective view from below of a holding element according to a semicircular embodiment of the present invention;

FIG. 20:

a perspective view of a holding element with short stops and a continuous web;

FIG. 21:

Side view of an intermediate piece

FIG. 22:

Top view FIG. 21

FIG. 23:

Perspective representation of an intermediate piece after FIG. 21 in the rear view; and

FIG. 24:

as FIG. 23 , but in front view

The FIGS. 1 to 5 show a first holding element 2 according to a first embodiment of the present invention. The holding element 2 is annular and has four projecting areas 5, which are each arranged adjacent to a recessed area 6. The recessed areas 6 are each positioned adjacent to stops 7, wherein the stops 7 each have a through hole 8. The through hole 8 is intended to fasteners such. B. screws o. Ä. To connect the holding elements 2 with interposed clamped sheet-like elements, preferably glass panes, with each other.

In the FIGS. 1 and 2 the further retaining element of the fastening device is not shown. However, it may for example be formed as an annular plate member with four holes, which correspond to the through holes 8, respectively, or the holding member 2 is used for a fastening device 1 in duplicate.

That in the FIGS. 1 and 2 shown retaining element 2 is provided for receiving four discs, wherein the corners of the discs are each positioned in the interior of the ring. The discs lie laterally against the stops 7. The edges of the discs are arranged in the recessed region 6, and thus are free of pressure when they are clamped.

In the embodiment of the FIG. 3 the protruding portions 5 and the stops 7 are provided with an intermediate layer 18, so that damage to the glass sheets 4 is omitted.

In the FIGS. 4 and 5 a fastening device 1 according to the first embodiment is shown in the assembled state, which in the FIGS. 1 and 2 shown first retaining element 2 used. As in particular from FIG. 5 it can be seen, the fastening device 1 comprises the first holding element 2, a second holding element 3 and fastening means 9, which connect the two holding elements 2 and 3 together. The fastening means 9 are designed as screws, which are introduced into the through-hole 8 of the first retaining element 2 and threaded bores 15 of the second retaining element 3. Here, the threaded holes 15 are provided with internal threads, whereby a quick and easy installation of the fastening device 1 is possible.

As in FIG. 4 shown, the fastening device 1 holds four sheet-like elements 4 in the form of glass panes. The glass sheets 4 are each arranged such that they rest on the stops 7 of the holding elements 2.3 laterally, and thus form a gap 16. As in FIG. 5 are shown in the assembled state, the projecting portions 5 of the first holding member 2 and the protruding portions 5 of the second holding member 3 with the glass sheets 4 in contact. In contrast, the glass panes 4 of the recessed areas 6, which are formed immediately adjacent to the stops 7, spaced from the holding elements 2, 3 (see. FIG. 5 ). In other words, the first holding element 2 and the second holding element 3 are in contact with the glass panes 4 via the projecting areas 5. In the exemplary embodiments, the glass panes are designed as laminated glass panes with foil 19 arranged therebetween. Of course, it is also an execution of the glass as a single-pane safety glass possible.

As in FIG. 4 shown, the fastening device 1 allows four glass panes 4 can be held. It is not necessary to make holes in the glass sheets 4. The glass panes 4 are held such that between them each gap 16 remains, which corresponds to the thickness of the stopper 7.

By arranging a plurality of fastening devices 1, an entire facade of a building can thus be clad, for example, with glass panes or other sheet-like elements. Since the fastening device 1 consists essentially of the two annular retaining elements 2 and 3, which on the one hand have a low weight and on the other hand only slightly limit the visual impression, the fastening device 1 according to the first embodiment is particularly suitable for glass, which must meet high aesthetic requirements , Due to the configuration with protruding areas 5 and recessed areas 6, the glass panes 4 are connected to one another in such a way that they have a supporting function without loading the edges of the glass panes 4.

In FIG. 6 a fastening device according to a second embodiment of the present invention is shown. Like parts are designated by the same reference numerals as in the first embodiment. Since the second embodiment substantially corresponds to the first embodiment, only differences in detail will be explained below.

As in the first exemplary embodiment, the fastening device 1 according to the second exemplary embodiment has a first retaining element 2 and a second retaining element 3. Furthermore, the fastening device 1 has a third retaining element 10, which is provided for fastening a steel cable 11. Here are provided in the third holding member 10 also provided with threaded bores, which each receive a screw 9, through which the first, the second and the third holding element 2, 3, 10, are interconnected. For better attachment of the steel cable 11, the second holding element 3 and the third holding member 10 each have semicircular recesses whose diameter corresponds to the diameter of the steel cable 11. As a result, the steel cable 11 can be better kept, so it is in addition to the adhesion and a positive connection before.

In the in FIG. 6 In the embodiment shown, the third retaining element 10 is arranged on the side of the fastening device 1 facing the building. Thus, the steel cable 11 runs for clamping the glass facade behind the glass panes 4. However, it is also possible to arrange the third holding element 10 on the other side of the glass panes 4. As a result, the tension of the facade formed by the steel cables 11 extends on the outside of the glass surfaces of the glass panes 4.

In the FIGS. 7 to 9 a third embodiment according to the present invention is shown. The third embodiment substantially corresponds to the two previous embodiments, wherein like parts have been designated by the same reference numerals. Therefore, only the differences from the two previously described embodiments will be explained in detail below.

As in particular in FIG. 8 1, the fastening device 1 according to the third embodiment comprises a first holding element 2, and a second holding element 20 in duplicate. The first holding element 2 is formed with a stop 7 and projecting areas 5 and recessed areas 6, as in the first two embodiments. The three holding elements are fastened to each other by means of screws 9.

As in particular in FIG. 8 and FIG. 9 it can be seen, the holding element 20 are each formed with angled regions 12 and 13 respectively. In other words, the second holding member 20 consists of two, a semicircle-forming ring elements, which at its open Ends are connected together. For example, the two holding elements 20 can be created by bending an annular element by 90 °.

As in the FIGS. 8 and 9 illustrated, a sword 14 between the angled portions 12, 13 of the holding members 20 is attached. The sword 14 is thus arranged perpendicular to the glass sheets 4. As in FIG. 9 shown, the sword 14 may be formed in the present embodiment by two parts. However, it is also conceivable that the sword 14 is integrally formed. Then, however, a through hole in the blade 14 would have to be provided for receiving a screw 9 for connecting the angled portions 12 and 13 together.

In the FIGS. 10 and 11 an embodiment according to the present invention is shown.

In the use of simple rings or discs for a fastening device 1 may refer to an embodiment of FIGS. 10, 11 be resorted to. A spacer 21 shown there is z. B. made of plastic, so as to prevent the direct contact of the glass surfaces and edges on the protruding areas 5 and the stops 7. By the interposition of the spacer 21 thus the same fastening as in the above-described embodiments is achieved because the geometric structure of the spacer 21 analogous to the first and second holding element 2, 3 corresponds.

In the FIGS. 12 and 13 another embodiment is shown. In contrast to the previously described embodiments, a holding element 24 of the embodiment is formed as a circular disk. Further, the stops 7 are formed as continuous webs, which meet at a center M of the circular holding element 24. Thus, the holding element 2 has a cross-shaped web region 7.

The recessed areas 6 are formed immediately adjacent to the web-like stops 7. As in FIG. 12 shown, the recessed areas 6 are strip-shaped and arranged parallel to the web-like stops 7. Furthermore, the protruding areas 5 are pie-shaped.

As in the first embodiment, the holding member of this embodiment is adapted to receive four discs. This holding element is particularly suitable for facades with large suction loads.

In the FIGS. 14 and 15 an embodiment is shown that, analogously to the embodiment of the FIG. 12 is constructed, wherein instead of the circular retaining element, an annular retaining element 23 is provided. The annular retaining element 23 again has web-like stops 7, which meet at the center M of the retaining element 23 and are connected to one another there. Due to the web-shaped stops 7, this holding element is particularly suitable for facades with large glass weights and small suction loads.

In essence, this corresponds to FIG. 16 illustrated embodiment in the FIGS. 14 and 15 shown sixth embodiment. In contrast, a holding member 25 according to the seventh embodiment, the projecting portions 5 immediately adjacent to the stops 7. Thereby, the area of the protruding portions 5 is significantly reduced as compared with the area of the protruding portions 5 in the sixth embodiment. This would mean according to the general definition, a clamping of the discs at the edges and thus an unwanted power distribution. For this reason, the projecting portions 5 are made of a yielding material, so that when the glass sheets are clamped, they are not held by the portion 5. Therefore, the in FIG. 15 shown fastening device especially only for very small suction loads and thus only for interior design.

In FIG. 17 An eighth embodiment according to the present invention is shown.

Essentially, the holding element 2 of the eighth embodiment corresponds to the holding element of FIG FIG. 14 shown sixth embodiment. In contrast, however, the holding element is no longer annular, but is formed by a three-quarter formed ring section 2 (see. FIG. 17 ). Furthermore, in each case one further through-bore 8 is formed in two of the web-shaped stop regions 7.

This in FIG. 17 shown holding element 2 is particularly suitable for an area in the facade in which, for example, a window or a door is provided. Thus, from the in FIG. 17 shown retaining element held only three glass sheets.

In FIG. 18 a holding element 2 is shown, which should serve to understand the invention.

As in FIG. 17 shown, the holding element 2 is formed from a quarter ring portion. Otherwise, the holding element 2 substantially corresponds to that in the FIGS. 14 to 17 described holding elements. This in FIG. 17 shown holding element is particularly suitable for a facade corner.

In FIG. 19 a holding element 29 is shown, which should also serve to understand the invention. In this case, the holding element 29 consists of a semicircular ring section. Next, a web-shaped stop portion 7 is provided, which the two open ends of the semicircular ring with each other combines. In addition, another stop 7 is provided, which corresponds to the width of the semi-annular stop element. The recessed areas 6 are formed immediately adjacent to the abutment areas 7. In the web-shaped stop 7 a total of four through holes 8 are formed. This in FIG. 18 shown retaining element 29 is particularly suitable for a facade top edge or a facade lower edge or facade side.

An in FIG. 20 shown annular spacer 30 according to an eleventh embodiment substantially corresponds to that in the FIGS. 10 and 11 shown spacers 21. In contrast to the spacer 21 shown there, however, a web-like stop 7 is provided in the eleventh embodiment, which extends through the center of the spacer 30. In the web-shaped stop 7 four through holes 8 are formed for receiving fasteners. The spacer 30 is particularly useful on facade centers at high glass weights. In this case, the spacer 30 is arranged such that the web-shaped stop 7 is perpendicular to the weight of the glass weights.

In the FIGS. 21 to 24 an intermediate piece 26 is shown, which is formed as a quarter-circle segment. This intermediate piece 26 is particularly suitable for ring-shaped or disk-shaped holding elements in order to avoid direct contact of the glass with the holding element. In this case, the intermediate piece 26 is provided in its central region with the projecting portion 5, whereas recessed portions 6 are provided to the end portions, which are formed as a stop 28 above. In the attacks 28 are half-bores 27, through which the fastening means 9 reach through.

In summary, the present invention relates to a fastening device for sheet-like elements 4, in particular glass panes, with a first holding element and a second holding element. The two holding elements receive the sheet-like elements 4 to be fastened and are connected together by means of fastening means 9 in order to hold the sheet-like elements. At least one holding element has projecting areas 5 and recessed or recessed areas 6 on its side facing the sheet-like element 4 side. Further, in the assembled state of the fixing device 1, the sheet-like member is in contact with the protruding portions 5 and is spaced from the recessed portions 6 in the assembled state.

Thus, a fastening device according to the invention is provided, which in particular allows that the sheet-like elements such. As glass sheets, which are held by the fastening device, have a supporting function. In particular, the fastening device according to the invention makes it possible to cover a building with glass panes which have a relatively high weight and relatively high suction loads. The fastening device 1 is preferably made of steel or stainless steel.

Claims (11)

1. An attachment device for planar elements (4), in particular glass panes, with a first holding element (2) and a second holding element (3), the two holding elements (2, 3) receiving the corners of up to four planar elements (4) to be attached and the two holding elements (2, 3) being connected to each other by means of attachment means (9), at least one holding element (2, 3, 20, 23, 24, 30) having projecting areas (5) and recessed areas (6) at its side oriented towards the planar element (4), the corners of the planar elements (4), respectively in the installed condition of the attachment device (1), being in contact with the projecting areas (5) and being disposed spaced apart from the recessed areas (6), characterized in that the holding elements (2, 3, 20, 23, 24, 30) are respectively configured ring-shaped or as a circular surface and in that, at the side of each holding element oriented towards the planar element (4), four web-shaped abutment areas (7) are disposed, which have through-bores (8) for the reception of the attachment means (9) and act as an abutment for the planar elements (4), the corners of the elements (4) being respectively positioned in the interior of the holding elements and disposed such as to bear laterally against the abutment areas (7) of the holding elements.
2. An attachment device according to claim 1, characterized in that the projecting areas (5) are conformed to the holding element (2, 3, 20, 23, 24, 30) or have been realized by applying another material.
3. An attachment device according to claim 1, characterized in that the projecting area (5) at the holding element (2, 3, 20, 23, 24, 30) is formed by means of a spacer (21) or an intermediate piece (26).
4. An attachment device according to claim 1, characterized in that the abutment areas (7) are disposed on the holding elements (2, 3, 20, 23, 24, 30) in a cruciform manner.
5. An attachment device according to claim 1, characterized in that the projecting areas (5) are formed directly adjacent to the abutment areas (7).
6. An attachment device according to claim 1, characterized in that the recessed areas (6) are formed directly adjacent to the abutment areas (7).
7. An attachment device according to claim 1, characterized by a holding element (20), which has an angled portion (12, 13).
8. An attachment device according to one of the claims 1 to 7, characterized in that the abutment areas (7) are configured web-shaped.
9. An attachment device according to one of the claims 1 to 8, characterized in that the holding elements (2, 3, 20, 23, 24, 30) are made from steel or stainless steel.
10. An attachment device according to one of the claims 1 to 9, characterized in that the holding elements (2, 3) are connected to another holding element (10, 20), which serves to attach a steel structure or to attach steel ropes (11).
11. An attachment device according to claim 3, characterized in that the spacer (21) and the intermediate piece (26) are made from plastic material.

Images