EP1748122A1 - Step of a stair - Google Patents

Step of a stair Download PDF

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Publication number
EP1748122A1
EP1748122A1 EP06002220A EP06002220A EP1748122A1 EP 1748122 A1 EP1748122 A1 EP 1748122A1 EP 06002220 A EP06002220 A EP 06002220A EP 06002220 A EP06002220 A EP 06002220A EP 1748122 A1 EP1748122 A1 EP 1748122A1
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EP
European Patent Office
Prior art keywords
glass
layer
step according
stair step
stair
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Granted
Application number
EP06002220A
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German (de)
French (fr)
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EP1748122B1 (en
Inventor
Walter Wachenfeld
Michael Wachenfeld
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Natursteinwerk Wachenfeld GmbH
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Natursteinwerk Wachenfeld GmbH
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Priority to PL06002220T priority Critical patent/PL1748122T3/en
Publication of EP1748122A1 publication Critical patent/EP1748122A1/en
Application granted granted Critical
Publication of EP1748122B1 publication Critical patent/EP1748122B1/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02—Stairways; Layouts thereof
    • E04F11/104—Treads
    • E04F11/1045—Treads composed of several layers, e.g. sandwich panels
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02—Stairways; Layouts thereof
    • E04F11/022—Stairways; Layouts thereof characterised by the supporting structure
    • E04F11/0223—Cantilevered stairways
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02—Stairways; Layouts thereof
    • E04F11/104—Treads
    • E04F11/116—Treads of stone, concrete or like material or with an upper layer of stone or stone like material, e.g. ceramics, concrete; of glass or with an upper layer of glass
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02—Stairways; Layouts thereof
    • E04F2011/0203—Miscellaneous features of stairways not otherwise provided for
    • E04F2011/0205—Stairways characterised by the use of specific materials for the supporting structure of the treads
    • E04F2011/021—Stairways characterised by the use of specific materials for the supporting structure of the treads mainly of stone or stone like materials, e.g. concrete; mainly of glass
    • E04F2011/0216—Stairways characterised by the use of specific materials for the supporting structure of the treads mainly of stone or stone like materials, e.g. concrete; mainly of glass mainly of glass

Definitions

  • the invention relates to a staircase of a staircase, wherein the step cantilevered by a building part, ie z. B. by the wall of a building or by a spindle or coil arranged in the building is receivable.
  • spiral staircases of various types are known.
  • spiral staircases are known in which the step consists of two horizontally divided layers, wherein between the layers of a reinforcement of a glass fiber fabric is glued, and wherein the individual stages are also supported on each other by bolts.
  • such an extremely open construction of a staircase is characterized in that a fastening device arranged on the building part is provided for receiving a step with one or more glass or plastic layers.
  • a fastening device arranged on the building part is provided for receiving a step with one or more glass or plastic layers.
  • a fastening device for fixing such a step made of glass or acrylic glass (Plexiglas ® ) with one or more glass layers, a fastening device is provided which comprises two jaws arranged vertically spaced from one another on a web, between which the step is arranged.
  • glass but also acrylic glass has a certain brittleness, it is necessary that the step is held over part of its surface by the jaws.
  • the jaws so far preferably on clamping means, being clamped by the clamping means, the stage between the jaws, so that it is adherent, held.
  • Clamping means can in this case be bolts, which are passed through corresponding holes in the jaws.
  • a damping material eg. As a rigid PVC, which transfers the high pressure generated by the screws evenly on the clamped part of the stage.
  • the step has at least one layer of acrylic glass, wherein in the layer of acrylic glass, a reinforcement is embedded.
  • the layer of acrylic glass has at least one parallel to the longitudinal axis of the step extending slot for receiving the reinforcement, z. B. in the form of a steel bar.
  • the slot is preferably incorporated as a groove on the upper side of the at least one layer of acrylic glass, so that the reinforcement can be inserted from above.
  • the reinforcement, z. B. in the form of a steel rod is materially bonded by gluing or potting with the acrylic glass.
  • the step comprises one or more glass or acrylic glass layers (plexiglass layers ® );
  • a stage has lighting means.
  • the stage according to a first variant laterally shows a transverse to the longitudinal direction of the stage opening into which the illumination means, for. B. a bar with multiple LEDs can be inserted.
  • the fastening device is aligned on the front side of the stage lighting means, for. B. also has a bar with multiple LEDs.
  • a step comprising a plurality of glass layers has at least one layer of white glass in the region of these illumination means. That is, the strip with the light diodes is located in the layer of white glass or at least before this layer of white glass.
  • the lighting means is arranged in the region of the acrylic glass layer.
  • the step is made of acrylic glass or glass, it has proven to be advantageous if at least the end face of the layer of the step which is closest to the lighting means has a smooth surface.
  • the other faces are roughened. As a result, a diffuser effect is achieved.
  • Such a staircase is much lighter when lit, compared to a level with a smooth and polished stone surface.
  • At least one layer consists of a laminated safety glass.
  • a laminated safety glass In this context has proved to be beneficial for the carrying capacity of a such stage is biased when such a layer of laminated safety glass is biased.
  • Such a level with laminated safety glass increases the safety in case of a break, because no large parts splinter.
  • the step with one or more layers of glass or acrylic glass has a covering layer of natural stone and in particular marble. Since marble is also very brittle and thus such a layer of marble hardly contributes to increasing the load, it is provided that between the layer of natural stone and the at least one further layer, a reinforcement, for. B. in the form of a plastic film is provided. In particular, opaque rocks are known, so that the light shines through the lighting even through the top layer of natural stone. Reinforcements in the form of plastic films can also be provided between the individual glass layers.
  • the wall designated by 1 accommodates the several steps 10, 100.
  • the steps 10, 100 are tapered tapering toward the center; However, they can also be straight.
  • the fastening device 20 comprises a web 21 in the form of a metal plate, wherein the web 21 has two horizontally extending jaws 22 and 23, which are preferably welded to the web. The vertical distance between the two jaws corresponds approximately to the strength of the step 10.
  • the jaws also have holes 24 for receiving bolts 24a, in order to keep clamped between the jaws stage in this area can. Between stage and jaw is in each case a damping layer 19 made of plastic.
  • the bore 24 also continues through the step 10, so that the threaded bolt 24a penetrates both the two jaws and the step.
  • two such bolts 24a are provided for attachment of the step by means of the fastening device on the wall.
  • the fixation of the web 21 on the wall by means of so-called anchor bolt 30, which are preferably embedded in the wall, z. B. are shed in the wall by polymer concrete.
  • the stage 10 is a plurality of layers 11, 12, 13 and 14 made of glass or acrylic glass (plexiglass ®), wherein instead of layer 14, a layer of a natural stone, z. As marble, may be provided.
  • the middle layers 12 and 13 may also be made of white glass in one glass step, but individual layers should be made of laminated safety glass to provide the required bearing capacity of the step.
  • laminated safety glass and a so-called biased laminated safety glass are used, whereby the carrying capacity of such a level is increased again and the required security is to ensure even in an extreme case occurring breakage of a stage.
  • the step as a glass or acrylic glass stage, has a total height of about 60-80 mm, wherein the individual layers have a thickness between 12 and 15 mm.
  • it can also be provided to provide plastic meshes as reinforcements between the individual layers in the region of their connection, the individual layers being glued together in the region of this plastic mesh.
  • the fastening device 50 comprises a U-shaped support 51, which is embedded in the masonry 52.
  • the U-shaped support has on its upper side on the leg or the jaw 53, the bolt 54, which has a punch 55 at the end. With the punch 55, the bolt 54 pushes against the total designated 100 level.
  • Below the punch 55 is a layer 56 made of hard PVC, which ensures that the punch does not press directly on the step 100.
  • the two legs or jaws 53, 57 are connected by the web 51 a.
  • the abutment to the bolt 54 with the punch 55 is through the leg 57 of the U-shaped carrier 51 is formed, as is apparent from Fig. 3.
  • Above the leg or jaw 57 is again a layer 56 of hard PVC to avoid punctiform loading of the stage.
  • the step 100 itself consists of a layer 110 of acrylic glass, in which a reinforcement 120 is embedded in the form of a metallic rod.
  • the layer 110 of acrylic glass has a groove into which the metallic rod is inserted and glued or potted in this groove with the acrylic glass layer.
  • two such bars 120 are provided in the acrylic glass layer in order to give the step the necessary stability with a corresponding projection with a length of up to 1.5 m.
  • the step can not only consist of one layer of acrylic glass, but also of several layers glued together, which leads to an increase in the carrying capacity, especially when the individual layers by plastic mesh with each other stand, because such plastic mesh also have the function of a reinforcement.
  • this does not mean that the reinforcement of steel rods can be dispensed with, especially with long stages.
  • the acrylic glass layer can also be provided with a covering layer of natural stone, which has been omitted in the drawing according to FIG.
  • the natural stone layer is also bonded to the acrylic layer by gluing, whereby a reinforcement in the form of a plastic mesh can likewise be provided between the acrylic glass layer and the natural stone cover layer.
  • the step denoted there by 100 has an acrylic glass layer 110 and a hard PVC layer 115 arranged thereon with a natural-colored layer 116 lying thereon.
  • the layers are glued together.
  • the acrylic glass layer 110 has a reinforcement in the form of two parallel to the longitudinal axis extending steel rods 120, wherein the acrylic glass layer 110 has two grooves for receiving just these steel bars 120, which may be formed as a flat steel.
  • the invention likewise relates to the illumination of the glass stage with the aid of illumination means 40.
  • the one middle layer 12 has an opening 41 which passes through the width of the step and the receptacle of the strip 43 used with several LEDs.
  • Side of the bore corresponding caps may be provided to cover the bore to the outside. The caps are preferably removable in order to replace the strip with the light emitting diodes in failed diodes can.
  • illumination by means of illumination 70 in the form of a strip 73 with a row of light-emitting diodes 74 results. It can be seen that this strip 73 is arranged at the level of the acrylic glass layer 110.
  • the light effect is the stronger, the more roughened in the area of the front side of both the glass layer and the acrylic glass layer, the surface then acts as a diffuser. This applies in particular to the front side, which are directly adjacent to the illumination means. However, the lighting effect is also significantly improved when the other front sides are roughened.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Steps, Ramps, And Handrails (AREA)
  • Laminated Bodies (AREA)
  • Ladders (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Abstract

The building staircase has the steps freely cantilevered from a the building structure. Each step (10) is made up of multiple laminated glass panels attached to the wall by brackets. Each bracket has jaws with clamping bolts to tension the jaws against the step tread.

Description

Die Erfindung betrifft eine Treppenstufe einer Treppe, wobei die Stufe frei auskragend durch ein Gebäudeteil, also z. B. durch die Wand eines Gebäudes oder aber durch eine im Gebäude angeordnete Spindel oder Spirale aufnehmbar ist.The invention relates to a staircase of a staircase, wherein the step cantilevered by a building part, ie z. B. by the wall of a building or by a spindle or coil arranged in the building is receivable.

So sind beispielsweise Spindeltreppen der unterschiedlichsten Art bekannt.For example, spiral staircases of various types are known.

Aus der US-A-1,446,454 ist eine Spindeltreppe bekannt, bei der die Treppenstufen aus Stein auf Stahlwannen oder Stahlkonsolen aufliegen, und die Stahlwannen oder Stahlkonsolen mit der Spindel verbunden sind. Die Herstellung einer derartigen Spindeltreppe mit Stahlwannen bzw. Stahlkonsolen ist aufwendig, da eine gesonderte Herstellung von Stahlwannen und Konsolen erforderlich ist. Gleiches gilt auch für Spindeltreppen mit eine Stahlwange am Außenradius und oftmals auch am Innenradius der Spindeltreppen, wobei die Stahlwanne innen und außen an den Stahlwangen angeschweißt ist. Diese Konstruktionen erfordern einen großen Platzbedarf und sind durch aufwendige Schweißarbeiten auch entsprechend teuer. Wesentlich ist darüber hinaus, dass derartige Treppen äußerst wuchtig wirken, was schlussendlich durch die Unterkonstruktion der Stufe bedingt ist.From the US-A-1,446,454 a spiral staircase is known in which the steps made of stone rest on steel tubs or steel consoles, and the steel tubs or steel brackets are connected to the spindle. The preparation of such a spiral staircase with steel tubs or steel consoles is expensive, since a separate production of steel tubs and consoles is required. The same applies to spiral staircases with a steel cheek on the outer radius and often also on the inner radius of the spiral staircases, the steel tub is welded inside and outside of the steel cheeks. These constructions require a large amount of space and are expensive due to expensive welding work. It is essential, moreover, that such stairs act extremely bulky, which is ultimately due to the substructure of the stage.

Darüber hinaus ist aus der FR-A-23 17442 eine Treppe bekannt, bei der die einzelnen Stufen zwar frei auskragend in der Gebäudewand eingelassen sind, wobei die Stufen aber dennoch durch Bolzen miteinander verbunden sind und sich so aufeinander abstützen. Die erforderliche Tragfähigkeit erhalten die Stufen durch in den Stufen einliegende Bewehrungsstangen, an denen auch die Bolzen angelenkt sind, die die einzelnen Stufen untereinander verbinden.In addition, from the FR-A-23 17442 a staircase known in which the individual stages are indeed embedded cantilevered in the building wall, but the steps are still connected to each other by bolts and thus supported each other. The required load-bearing capacity is given to the steps by reinforcing bars inserted in the steps, to which the bolts which connect the individual steps to one another are also articulated.

Darüber hinaus sind Spindeltreppen bekannt, bei denen die Treppenstufe aus zwei horizontal geteilten Schichten besteht, wobei zwischen den Schichten eine Bewehrung aus einem Glasfasergewebe eingeklebt ist, und wobei sich die einzelnen Stufen ebenfalls über Bolzen aufeinander abstützen.In addition, spiral staircases are known in which the step consists of two horizontally divided layers, wherein between the layers of a reinforcement of a glass fiber fabric is glued, and wherein the individual stages are also supported on each other by bolts.

Wie bereits an anderer Stelle erläutert, wirken derartige Treppen , insbesondere wenn unter den einzelnen Stufen Unterbaukonstruktionen vorgesehen sind, äußerst wuchtig und eignen sich daher nur bedingt zum Einbau in lichtdurchfluteten offenen Räumen.As already explained elsewhere, such stairs act, especially if substructures under the individual steps are provided, extremely powerful and are therefore only conditionally suitable for installation in light-flooded open spaces.

Aus der EP 757 741 ist in diesem Zusammenhang zwar eine Spindeltreppe bekannt, bei der die Stufen aus Naturstein bestehen, wobei die Stufen untereinander nicht in Verbindung stehen, wodurch sich eine gegenüber dem übrigen Stand der Technik größere Leichtigkeit einer derartigen Konstruktion ergibt, wobei jedoch vielfach der Wunsch geäußert worden ist, eine Treppe herzustellen, die als Design-Objekt im Wesentlichen fast unsichtbar erscheint.From the EP 757 741 in this context, although a spiral staircase is known, in which the steps are made of natural stone, the steps are not in communication with each other, which compared to the other prior art greater ease of such construction results, but many have expressed the desire to make a staircase that appears essentially almost invisible as a design object.

Eine solche extrem offene Konstruktion einer Treppe zeichnet sich erfindungsgemäß dadurch aus, dass zur Aufnahme einer Stufe mit ein oder mehreren Glas- oder Kunststoffschichten eine an dem Gebäudeteil angeordnete Befestigungsvorrichtung vorgesehen ist. Sind die Stufen einer Treppe im Wesentlichen aus Glas oder Acrylglas (z. B. Plexiglas®) hergestellt, dann erscheint eine solche Treppe, insbesondere wenn es sich bei den Stufen der Treppe um frei auskragende Treppenstufen handelt, im Wesentlichen durchlässig, was der gesamten Konstruktion eine bislang nicht bekannte Leichtigkeit vermittelt.According to the invention, such an extremely open construction of a staircase is characterized in that a fastening device arranged on the building part is provided for receiving a step with one or more glass or plastic layers. Are the steps of a staircase consisting essentially of glass or acrylic glass (eg. As Plexiglas ®) manufactured, then such a staircase appears, especially if it is at the steps of the staircase to cantilevered steps, substantially transparent what the whole construction conveys a hitherto unknown lightness.

Vorteilhafte Merkmale und Varianten der Erfindung sind in den Unteransprüchen näher beschrieben.Advantageous features and variants of the invention are described in more detail in the subclaims.

Zur Befestigung einer derartigen Stufe aus Glas oder Acrylglas (Plexiglas®)mit ein oder mehreren Glasschichten ist eine Befestigungsvorrichtung vorgesehen, die zwei an einem Steg vertikal beabstandet zueinander angeordnete Backen umfasst, zwischen denen die Stufe angeordnet ist. Da insbesondere Glas aber auch Acrylglas eine gewisse Sprödigkeit aufweist, ist erforderlich, dass die Stufe über einen Teil ihrer Fläche durch die Backen gehalten wird. Insbesondere weisen die Backen insofern bevorzugt Spannmittel auf, wobei durch die Spannmittel die Stufe zwischen den Backen eingespannt, also haftschlüssig, gehalten ist. Spannmittel können hierbei Schraubbolzen sein, die durch entsprechende Bohrungen in den Backen hindurchgeführt sind. Durch Spannen der Schraubbolzen und entsprechendes Einspannen der Stufe durch die Backen erfolgt eine sichere Halterung der Stufe. Denkbar ist ebenfalls, dass die Bolzen durch die Stufe hindurchgeführt sind. Allerdings ist hierbei dann darauf zu achten, dass die Bolzen nicht in Kontakt mit dem umgebenden Material der Stufe geraten, da ansonsten die Gefahr von Rissbildungen besteht. Das heißt, die Kräfte zum Halten der Stufen müssen kraftschlüssig aufgebracht werden.For fixing such a step made of glass or acrylic glass (Plexiglas ® ) with one or more glass layers, a fastening device is provided which comprises two jaws arranged vertically spaced from one another on a web, between which the step is arranged. In particular, since glass but also acrylic glass has a certain brittleness, it is necessary that the step is held over part of its surface by the jaws. In particular the jaws so far preferably on clamping means, being clamped by the clamping means, the stage between the jaws, so that it is adherent, held. Clamping means can in this case be bolts, which are passed through corresponding holes in the jaws. By tightening the bolts and the corresponding clamping of the step by the jaws, a secure mounting of the stage. It is also conceivable that the bolts are passed through the stage. However, it must be ensured that the bolts do not come into contact with the surrounding material of the step, otherwise there is a risk of cracking. That is, the forces for holding the steps must be applied non-positively.

Um zu verhindern, dass durch Unebenheiten zwischen Backe und Oberfläche der Stufe punktuelle Spannungen in die Stufe eingebracht werden, ist nach einem weiteren Merkmal der Erfindung vorgesehen, dass zwischen Stufe und Backen ein dämpfendes Material, z. B. ein Hart-PVC, der den durch die Schrauben erzeugten hohen Druck gleichmäßig auf den eingespannten Teil der Stufe überträgt.In order to prevent punctiform stresses from being introduced into the step as a result of unevenness between the jaw and the surface of the step, it is provided according to a further feature of the invention that a damping material, eg. As a rigid PVC, which transfers the high pressure generated by the screws evenly on the clamped part of the stage.

Nach einer Variante ist vorgesehen, dass die Treppenstufe mindestens eine Schicht aus Acrylglas aufweist, wobei in der Schicht aus Acrylglas eine Armierung eingelassen ist. Zur Aufnahme der Armierung besitzt die Schicht aus Acrylglas mindestens einen parallel zur Längsachse der Stufe verlaufenden Schlitz zur Aufnahme der Armierung, z. B. in Form eines Stahlstabes. Hierbei ist vorzugsweise der Schlitz als Nut auf der Oberseite der mindestens einen Schicht aus Acrylglas eingearbeitet, so dass die Armierung von oben eingelegt werden kann. Die Armierung, z. B. in Form eines Stahlstabes ist stoffschlüssig durch Kleben oder Vergießen mit dem Acrylglas verbunden.According to a variant, it is provided that the step has at least one layer of acrylic glass, wherein in the layer of acrylic glass, a reinforcement is embedded. To accommodate the reinforcement, the layer of acrylic glass has at least one parallel to the longitudinal axis of the step extending slot for receiving the reinforcement, z. B. in the form of a steel bar. Here, the slot is preferably incorporated as a groove on the upper side of the at least one layer of acrylic glass, so that the reinforcement can be inserted from above. The reinforcement, z. B. in the form of a steel rod is materially bonded by gluing or potting with the acrylic glass.

Wie bereits an anderer Stelle erläutert, umfasst die Stufe ein oder mehrere Glas- oder Acrylglasschichten (Plexiglasschichten®); um eine solche Treppe, bestehend aus mehreren Glasstufen als Design-Objekt wirken zu lassen, ist nach einem weiteren Merkmal der Erfindung vorgesehen, dass eine solche Stufe Beleuchtungsmittel aufweist. Zur Anbringung der Beleuchtungsmittel an der Stufe zeigt die Stufe nach einer ersten Variante seitlich eine quer zur Längsrichtung der Stufe verlaufende Öffnung, in die die Beleuchtungsmittel, z. B. eine Leiste mit mehreren Leuchtdioden, eingeschoben werden kann. Nach einer anderen, zweiten Variante ist vorgesehen, dass die Befestigungseinrichtung stirnseitig auf die Stufe ausgerichtet Beleuchtungsmittel, z. B. ebenfalls eine Leiste mit mehreren Leuchtdioden, aufweist. Um zu gewährleisten, dass sich das Licht durch die gesamte Stufe hindurch fortsetzt, weist eine aus mehreren Glasschichten aufweisende Stufe im Bereich dieser Beleuchtungsmittel mindestens eine Schicht aus Weißglas auf. Das heißt, die Leiste mit den Lichtdioden befindet sich in der Schicht aus Weißglas oder zumindest vor dieser Schicht aus Weißglas. Bei einer Stufe mit Acrylglas ist das Beleuchtungsmittel im Bereich der Acrylglasschicht angeordnet.As already explained elsewhere, the step comprises one or more glass or acrylic glass layers (plexiglass layers ® ); To make such a staircase, consisting of several glass steps act as a design object is provided according to a further feature of the invention that such a stage has lighting means. For attachment of the illumination means at the stage, the stage according to a first variant laterally shows a transverse to the longitudinal direction of the stage opening into which the illumination means, for. B. a bar with multiple LEDs can be inserted. According to another, second variant, it is provided that the fastening device is aligned on the front side of the stage lighting means, for. B. also has a bar with multiple LEDs. In order to ensure that the light continues through the entire stage, a step comprising a plurality of glass layers has at least one layer of white glass in the region of these illumination means. That is, the strip with the light diodes is located in the layer of white glass or at least before this layer of white glass. In a stage with acrylic glass, the lighting means is arranged in the region of the acrylic glass layer.

Ganz gleich, ob die Stufe aus Acrylglas oder Glas besteht, hat sich als vorteilhaft herausgestellt, wenn mindestens die Stirnseite der Schicht der Stufe, die dem Beleuchtungsmittel am nächsten liegt, eine glatte Oberfläche aufweist. Vorteilhaft sind die anderen Stirnseiten aufgeraut. Hierdurch wird eine Diffusorwirkung erreicht. Eine solche Treppenstufe wirkt bei Beleuchtung wesentlich heller, gegenüber einer Stufe mit glatter und polierter Steinfläche.Whether the step is made of acrylic glass or glass, it has proven to be advantageous if at least the end face of the layer of the step which is closest to the lighting means has a smooth surface. Advantageously, the other faces are roughened. As a result, a diffuser effect is achieved. Such a staircase is much lighter when lit, compared to a level with a smooth and polished stone surface.

Bei einer Stufe aus Glas, die - wie bereits erläutert - mindestens eine, vorzugsweise jedoch mehrere Glasschichten aufweist, besteht mindestens eine Schicht aus einem Verbundsicherheitsglas. In diesem Zusammenhang hat sich als vorteilhaft für die Tragfähigkeit einer derartigen Stufe herausgestellt, wenn eine derartige Schicht aus Verbundsicherheitsglas vorgespannt ist. Eine solche Stufe mit Verbundsicherheitsglas erhöht die Sicherheit bei einem etwaigen Bruch, da keine großen Teile splittern.In the case of a glass step which, as already explained, has at least one but preferably several glass layers, at least one layer consists of a laminated safety glass. In this context has proved to be beneficial for the carrying capacity of a such stage is biased when such a layer of laminated safety glass is biased. Such a level with laminated safety glass increases the safety in case of a break, because no large parts splinter.

Nach einem weiteren Merkmal der Erfindung ist vorgesehen, dass die Stufe mit einer oder mehreren Schichten aus Glas oder Acrylglas eine Deckschicht aus Naturstein und hier insbesondere aus Marmor aufweist. Da Marmor ebenfalls sehr spröde ist und somit eine derartige Schicht aus Marmor kaum einen Beitrag zur Erhöhung der Traglast beiträgt, ist vorgesehen, dass zwischen der Schicht aus Naturstein und der mindestens einen weiteren Schicht eine Armierung, z. B. in Form einer Kunststofffolie, vorgesehen ist. Insbesondere sind opake Gesteine bekannt, so dass das Licht durch die Beleuchtung auch noch durch die Deckschicht aus Naturstein hindurchschimmert. Auch zwischen den einzelnen Glasschichten können Armierungen in Form von Kunststofffolien vorgesehen sein.According to a further feature of the invention, it is provided that the step with one or more layers of glass or acrylic glass has a covering layer of natural stone and in particular marble. Since marble is also very brittle and thus such a layer of marble hardly contributes to increasing the load, it is provided that between the layer of natural stone and the at least one further layer, a reinforcement, for. B. in the form of a plastic film is provided. In particular, opaque rocks are known, so that the light shines through the lighting even through the top layer of natural stone. Reinforcements in the form of plastic films can also be provided between the individual glass layers.

Anhand der Zeichnung wird die Erfindung nachstehend beispielhaft näher erläutert.

Fig. 1
zeigt eine gewendelte Treppe aus mehreren übereinander angeordneten Stufen aus Glas oder Acrylglas, wobei die einzelnen Stufen in der Wand verankert sind;
Fig. 2
zeigt eine derartige Stufe im Ausschnitt, wobei insbesondere auch die Art der Befestigung der Stufe an der Wand dargestellt ist;
Fig. 3
zeigt eine andere Ausführungsform einer Befestigungsvorrichtung, wobei die Beleuchtungsmittel in der Befestigungsvorrichtung angeordnet sind;
Fig. 4
zeigt im Schnitt den Aufbau einer Stufe aus Acrylglas mit einer Armierung in Form eines Stahlstabes.
Reference to the drawing, the invention is explained in more detail below by way of example.
Fig. 1
shows a spiral staircase of several superimposed stages of glass or acrylic glass, with the individual steps are anchored in the wall;
Fig. 2
shows such a step in the neck, in particular, the type of attachment of the step is shown on the wall;
Fig. 3
shows another embodiment of a fastening device, wherein the illumination means are arranged in the fastening device;
Fig. 4
shows on average the construction of a stage made of acrylic glass with a reinforcement in the form of a steel bar.

Gemäß Fig. 1 nimmt die mit 1 bezeichnete Wand die mehreren Stufen 10, 100 auf. Die Stufen 10, 100 sind zum Zentrum hin konisch zulaufend verjüngend ausgebildet; sie können allerdings auch geradläufig sein.According to FIG. 1, the wall designated by 1 accommodates the several steps 10, 100. The steps 10, 100 are tapered tapering toward the center; However, they can also be straight.

Die Befestigung einer derartigen Stufe an der Wand ergibt sich insbesondere aus der Darstellung gemäß Fig. 2. Die mit 10 bezeichnete Stufe wird durch die insgesamt mit 20 bezeichnete Befestigungsvorrichtung aufgenommen. Die Befestigungsvorrichtung 20 umfasst einen Steg 21 in Form einer Metallplatte, wobei der Steg 21 zwei sich horizontal erstreckende Backen 22 und 23 aufweist, die mit dem Steg vorzugsweise verschweißt sind. Der vertikale Abstand zwischen den beiden Backen entspricht etwa der Stärke der Stufe 10. Die Backen besitzen darüber hinaus Bohrungen 24 zur Aufnahme von Schraubbolzen 24a, um die zwischen den Backen einsitzende Stufe in diesem Bereich eingespannt halten zu können. Zwischen Stufe und Backe befindet sich jeweils eine Dämpfungsschicht 19 aus Kunststoff. Hinzuweisen ist in diesem Zusammenhang darauf, dass die Bohrung 24 sich auch durch die Stufe 10 fortsetzt, so dass der Schraubbolzen 24a sowohl die beiden Backen als auch die Stufe durchdringt. Insbesondere sind zwei derartige Schraubbolzen 24a zur Befestigung der Stufe mit Hilfe der Befestigungsvorrichtung an der Wand vorgesehen. Die Fixierung des Steges 21 an der Wand erfolgt durch sogenannte Ankerbolzen 30, die vorzugsweise in der Wand eingelassen sind, z. B. in der Wand durch Polymerbeton vergossen sind.The attachment of such a step on the wall results in particular from the illustration according to FIG. 2. The step denoted by 10 is taken up by the fastening device, which is denoted overall by 20. The fastening device 20 comprises a web 21 in the form of a metal plate, wherein the web 21 has two horizontally extending jaws 22 and 23, which are preferably welded to the web. The vertical distance between the two jaws corresponds approximately to the strength of the step 10. The jaws also have holes 24 for receiving bolts 24a, in order to keep clamped between the jaws stage in this area can. Between stage and jaw is in each case a damping layer 19 made of plastic. It should be pointed out in this connection that the bore 24 also continues through the step 10, so that the threaded bolt 24a penetrates both the two jaws and the step. In particular, two such bolts 24a are provided for attachment of the step by means of the fastening device on the wall. The fixation of the web 21 on the wall by means of so-called anchor bolt 30, which are preferably embedded in the wall, z. B. are shed in the wall by polymer concrete.

Es sei an dieser Stelle darauf hingewiesen, dass sich eine derartige Befestigung mittels Backen auch zur Befestigung einer derartigen Stufe an einer Spindel eignet. Die Befestigung der Stufen an der Spindel erfolgt entsprechend an der Schmalseite der Stufen. Die Befestigung des Steges an der Spindel kann durch Schrauben vorgenommen werden.It should be noted at this point that such attachment by means of jaws is also suitable for mounting such a step on a spindle. The attachment of the steps to the spindle takes place correspondingly on the narrow side of the steps. The attachment of the web to the spindle can be made by screws.

Die Ausbildung der Stufe 10 ergibt sich im Einzelnen ebenfalls aus Fig. 2. So zeigt die Stufe 10 mehrere Schichten 11, 12, 13 und 14 aus Glas oder Acrylglas (Plexiglas®), wobei anstelle der Schicht 14 auch eine Schicht aus einem Naturstein, z. B. Marmor, vorgesehen sein kann. Insbesondere die mittleren Schichten 12 und 13 können bei einer Glasstufe auch aus Weißglas hergestellt sein, wobei jedoch einzelne Schichten aus Verbundsicherheitsglas bestehen sollten, um die erforderliche Tragfähigkeit der Stufe bereitzustellen. Insbesondere kann als Verbundsicherheitsglas auch ein sogenanntes vorgespanntes Verbundsicherheitsglas zum Einsatz kommen, wodurch die Tragfähigkeit einer solchen Stufe nochmals erhöht wird und die erforderliche Sicherheit auch bei einem im Extremfall vorkommenden Bruch einer Stufe zu gewährleisten ist.The formation of the step 10 also is shown in detail in Fig. 2. Thus, the stage 10 is a plurality of layers 11, 12, 13 and 14 made of glass or acrylic glass (plexiglass ®), wherein instead of layer 14, a layer of a natural stone, z. As marble, may be provided. In particular, the middle layers 12 and 13 may also be made of white glass in one glass step, but individual layers should be made of laminated safety glass to provide the required bearing capacity of the step. In particular, as a laminated safety glass and a so-called biased laminated safety glass are used, whereby the carrying capacity of such a level is increased again and the required security is to ensure even in an extreme case occurring breakage of a stage.

Die Stufe, als Glas- oder Acrylglasstufe, weist insgesamt eine Höhe von ca. 60-80 mm auf, wobei die einzelnen Schichten eine Stärke zwischen 12 und 15 mm besitzen. Insbesondere kann auch vorgesehen sein, zwischen den einzelnen Schichten im Bereich ihrer Verbindung Kunststoffgitter als Armierungen vorzusehen, wobei die einzelnen Schichten im Bereich dieses Kunststoffgitters miteinander verklebt sind.The step, as a glass or acrylic glass stage, has a total height of about 60-80 mm, wherein the individual layers have a thickness between 12 and 15 mm. In particular, it can also be provided to provide plastic meshes as reinforcements between the individual layers in the region of their connection, the individual layers being glued together in the region of this plastic mesh.

Eine andere Variante der Befestigung ergibt sich aus der Fig. 3. Die Befestigungsvorrichtung 50 umfasst einen U-förmigen Träger 51, der in das Mauerwerk 52 eingelassen ist. Der U-förmige Träger weist auf seiner Oberseite an dem Schenkel oder der Backe 53 den Schraubbolzen 54 auf, der endseitig einen Stempel 55 besitzt. Mit dem Stempel 55 drückt der Schraubbolzen 54 gegen die insgesamt mit 100 bezeichnete Stufe. Unterhalb des Stempels 55 befindet sich eine Schicht 56 aus Hart-PVC, die dafür sorgt, dass der Stempel nicht unmittelbar auf die Stufe 100 aufdrückt. Die beiden Schenkel oder Backen 53, 57 sind durch den Steg 51 a verbunden. Das Gegenlager zu dem Schraubbolzen 54 mit dem Stempel 55 wird durch den Schenkel 57 des U-förmigen Trägers 51 gebildet, so wie sich dies aus Fig. 3 ergibt. Über dem Schenkel oder der Backe 57 befindet sich wiederum eine Schicht 56 aus Hart-PVC, um punktförmige Belastungen der Stufe zu vermeiden.Another variant of the attachment results from FIG. 3. The fastening device 50 comprises a U-shaped support 51, which is embedded in the masonry 52. The U-shaped support has on its upper side on the leg or the jaw 53, the bolt 54, which has a punch 55 at the end. With the punch 55, the bolt 54 pushes against the total designated 100 level. Below the punch 55 is a layer 56 made of hard PVC, which ensures that the punch does not press directly on the step 100. The two legs or jaws 53, 57 are connected by the web 51 a. The abutment to the bolt 54 with the punch 55 is through the leg 57 of the U-shaped carrier 51 is formed, as is apparent from Fig. 3. Above the leg or jaw 57 is again a layer 56 of hard PVC to avoid punctiform loading of the stage.

Die Stufe 100 selbst besteht aus einer Schicht 110 aus Acrylglas, in die eine Armierung 120 in Form eines metallischen Stabes eingelassen ist. Hierzu besitzt die Schicht 110 aus Acrylglas eine Nut, in die der metallische Stab eingeschoben und in dieser Nut mit der Acrylglasschicht verklebt oder vergossen wird. Vorzugsweise sind in der Acrylglasschicht zwei solche Stäbe 120 vorgesehen, um der Stufe bei entsprechender Auskragung mit einer Länge bis 1,5 m die erforderliche Stabilität zu verleihen.The step 100 itself consists of a layer 110 of acrylic glass, in which a reinforcement 120 is embedded in the form of a metallic rod. For this purpose, the layer 110 of acrylic glass has a groove into which the metallic rod is inserted and glued or potted in this groove with the acrylic glass layer. Preferably, two such bars 120 are provided in the acrylic glass layer in order to give the step the necessary stability with a corresponding projection with a length of up to 1.5 m.

Es sei an dieser Stelle ausdrücklich noch einmal darauf hingewiesen, dass die Stufe nicht nur aus einer Schicht Acrylglas bestehen kann, sondern auch aus mehreren miteinander verklebten Schichten, was zu einer Erhöhung der Tragfähigkeit insbesondere dann führt, wenn die einzelnen Schichten durch Kunststoffgitter miteinander in Verbindung stehen, da solche Kunststoffgitter ebenfalls die Funktion einer Armierung haben. Dies bedeutet allerdings nicht, dass insbesondere bei langen Stufen auf die Armierung aus Stahlstäben verzichtet werden kann.It should be emphasized at this point again that the step can not only consist of one layer of acrylic glass, but also of several layers glued together, which leads to an increase in the carrying capacity, especially when the individual layers by plastic mesh with each other stand, because such plastic mesh also have the function of a reinforcement. However, this does not mean that the reinforcement of steel rods can be dispensed with, especially with long stages.

Des Weiteren wird an dieser Stelle noch einmal darauf hingewiesen, dass die Acrylglasschicht auch mit einer Deckschicht aus Naturstein versehen sein kann, die allerdings in der Zeichnung gemäß Fig. 3 weggelassen worden ist. Die Natursteinschicht ist mit der Acrylschicht ebenfalls durch Verklebung verbunden, wobei zwischen der Acrylglasschicht und der Deckschicht aus Naturstein ebenfalls eine Armierung in Form eines Kunststoffgitters vorgesehen sein kann.Furthermore, it is again pointed out at this point that the acrylic glass layer can also be provided with a covering layer of natural stone, which has been omitted in the drawing according to FIG. The natural stone layer is also bonded to the acrylic layer by gluing, whereby a reinforcement in the form of a plastic mesh can likewise be provided between the acrylic glass layer and the natural stone cover layer.

Ein solcher Stufenaufbau ergibt sich aus Figur 4. Die dort mit 100 bezeichnete Stufe besitzt eine Acrylglasschicht 110 sowie eine darauf angeordnete Hart-PVC-Schicht 115 mit einer daraufliegenden Naturscheinschicht 116. Die Schichten sind miteinander verklebt. Erkennbar besitzt die Acrylglasschicht 110 eine Armierung in Form zweier parallel zur Längsachse verlaufender Stahlstäbe 120, wobei die Acrylglasschicht 110 zwei Nuten zur Aufnahme eben dieser Stahlstäbe 120 aufweist, die als Flachstahl ausgebildet sein können.Such a step structure results from FIG. 4. The step denoted there by 100 has an acrylic glass layer 110 and a hard PVC layer 115 arranged thereon with a natural-colored layer 116 lying thereon. The layers are glued together. Visible, the acrylic glass layer 110 has a reinforcement in the form of two parallel to the longitudinal axis extending steel rods 120, wherein the acrylic glass layer 110 has two grooves for receiving just these steel bars 120, which may be formed as a flat steel.

Gegenstand der Erfindung ist ebenfalls die Beleuchtung der Glasstufe mit Hilfe von Beleuchtungsmitteln 40. Hierzu weist nach einer Variante (Fig. 2) die eine mittlere Schicht 12 eine Öffnung 41 auf, die durch die Breite der Stufe hindurchgeht, und die der Aufnahme der Leiste 43 mit mehreren Leuchtdioden dient. Seitlich an der Bohrung können entsprechende Kappen (nicht dargestellt) vorgesehen sein, um die Bohrung nach außen abzudecken. Die Kappen sind vorzugsweise abnehmbar, um die Leiste mit den Leuchtdioden bei ausgefallenen Dioden auswechseln zu können.The invention likewise relates to the illumination of the glass stage with the aid of illumination means 40. For this purpose, according to a variant (FIG. 2), the one middle layer 12 has an opening 41 which passes through the width of the step and the receptacle of the strip 43 used with several LEDs. Side of the bore corresponding caps (not shown) may be provided to cover the bore to the outside. The caps are preferably removable in order to replace the strip with the light emitting diodes in failed diodes can.

Betrachtet man nunmehr wiederum die Fig. 3, so ergibt sich dort eine Beleuchtung durch Beleuchtungsmittel 70 in Form einer Leiste 73 mit einer Reihe von Leuchtdioden 74. Erkennbar ist diese Leiste 73 in der Höhe der Acrylglasschicht 110 angeordnet.Turning now to FIG. 3 again, illumination by means of illumination 70 in the form of a strip 73 with a row of light-emitting diodes 74 results. It can be seen that this strip 73 is arranged at the level of the acrylic glass layer 110.

An dieser Stelle sei noch erwähnt, dass sich herausgestellt hat, dass die Leuchtwirkung um so stärker ist, je mehr im Bereich der Stirnseite sowohl der Glasschicht als auch der Acrylglasschicht die Oberfläche aufgeraut ist, das diese dann wie ein Diffusor wirkt. Dies gilt insbesondere für die Stirnseite, die dem Beleuchtungsmittel unmittelbar benachbart sind. Die Leuchtwirkung wird allerdings auch deutlich verbessert, wenn die übrigen Stirnseiten aufgeraut sind.At this point it should be mentioned that it has been found that the light effect is the stronger, the more roughened in the area of the front side of both the glass layer and the acrylic glass layer, the surface then acts as a diffuser. This applies in particular to the front side, which are directly adjacent to the illumination means. However, the lighting effect is also significantly improved when the other front sides are roughened.

Claims (19)

Treppenstufe einer Treppe, wobei die Stufe frei auskragend durch ein Gebäudeteil aufnehmbar ist
dadurch gekennzeichnet,
dass zur Aufnahme einer Stufe (10; 100) mit ein oder mehreren Glas- oder Kunststoffschichten aus transluanten oder opakenen Glas- oder Kunststoff z. B. Acrylglas (11 bis 14; 110, 116), an dem Gebäudeteil eine Befestigungsvorrichtung (20, 50) vorgesehen ist.Stair step of a staircase, wherein the step freely cantilevered by a building part is receivable
characterized,
that for receiving a step (10; 100) with one or more glass or plastic layers of translucent or opaque glass or plastic z. As acrylic glass (11 to 14, 110, 116), on the building part, a fastening device (20, 50) is provided. Treppenstufe nach Anspruch 1,
dadurch gekennzeichnet,
dass die Befestigungsvorrichtung (20, 50) an einem Steg (21, 51 a) vertikal beabstandet zueinander geordnete Backen (22, 23; 53, 57) umfasst, zwischen denen die Stufe (10, 100) angeordnet ist.Stair step according to claim 1,
characterized,
in that the fastening device (20, 50) comprises cheeks (22, 23; 53, 57) arranged vertically spaced from one another at a web (21, 51 a), between which the step (10, 100) is arranged. Treppenstufe nach einem der voranstehenden Ansprüche,
dadurch gekennzeichnet,
dass die Backen (22, 23; 53, 57) Spannmittel (24a; 54, 55) aufweisen, wobei durch die Spannmittel (24a; 54, 55) die Stufe (10, 100) zwischen den Backen (22, 23; 53, 57) eingespannt gehalten ist.Stair step according to one of the preceding claims,
characterized,
in that the jaws (22, 23; 53, 57) comprise tensioning means (24a; 54, 55), wherein the step (10, 100) between the jaws (22, 23; 57) is held clamped. Treppenstufe nach einem der voranstehenden Ansprüche,
dadurch gekennzeichnet,
dass die Spannmittel Schraubbolzen (24a; 54) sind.Stair step according to one of the preceding claims,
characterized,
in that the tensioning means are screw bolts (24a, 54). Treppenstufe nach einem der voranstehenden Ansprüche,
dadurch gekennzeichnet,
dass die Schraubbolzen (24a) durch entsprechende Bohrungen (24) sowohl in den Backen (22, 23) als auch in der Stufe (10) hindurchgeführt sind.Stair step according to one of the preceding claims,
characterized,
in that the threaded bolts (24a) are guided through corresponding bores (24) both in the jaws (22, 23) and in the step (10). Treppenstufe nach einem der voranstehenden Ansprüche,
dadurch gekennzeichnet,
dass zwischen Backen (22, 23) und Stufe (10) eine Schicht (27) aus dämpfenden Material, z. B. Hart-PVC, vorgesehen ist.Stair step according to one of the preceding claims,
characterized,
that between jaws (22, 23) and stage (10) a layer (27) of damping material, such. As hard PVC, is provided. Treppenstufe nach einem oder mehreren der voranstehenden Ansprüche,
dadurch gekennzeichnet,
dass die mehreren Glasschichten (11 bis 14) aufweisende Stufe (10) mindestens eine Schicht aus Verbundsicherheitsglas aufweist.Stair step according to one or more of the preceding claims,
characterized,
in that the step (10) comprising a plurality of glass layers (11 to 14) has at least one layer of laminated safety glass. Treppenstufe nach einem oder mehreren der voranstehenden Ansprüche,
dadurch gekennzeichnet,
dass die Glasschichten (11 bis 14) miteinander verklebt sind.Stair step according to one or more of the preceding claims,
characterized,
that the glass layers (11 to 14) are glued together. Treppenstufe nach einem der voranstehenden Ansprüche,
dadurch gekennzeichnet
dass die Treppenstufe (100) mindestens eine Schicht (110) aus Acrylglas aufweist, wobei in der Schicht aus Acrylglas eine Armierung (120) eingelassen ist.Stair step according to one of the preceding claims,
characterized
that the step (100) comprises at least one layer (110) made of acrylic glass, in which the layer of acrylic glass, a reinforcement (120) is embedded. Treppenstufe nach Anspruch 9,
dadurch gekennzeichnet,
dass die Schicht (110) aus Acrylglas mindestens einen parallel zur Längsachse der Stufe verlaufenden Schlitz (111) zur Aufnahme einer Armierung (120) z. B. in Form eines Stahlstabes aufweist.Stair step according to claim 9,
characterized,
that the layer (110) of acrylic glass at least one parallel to the longitudinal axis of the step extending slot (111) for receiving a reinforcement (120) z. B. in the form of a steel bar. Treppenstufe nach Anspruch 10,
dadurch gekennzeichnet,
dass der Schlitz (111) als Nut auf der Oberseite der Schicht (110) aus Hart-PVC ausgebildet ist.Stair step according to claim 10,
characterized,
in that the slot (111) is formed as a groove on the upper side of the rigid PVC layer (110). Treppenstufe nach Anspruch 10,
dadurch gekennzeichnet
dass die Armierung (120) mit der Schicht (110) aus Acrylglas verklebt oder vergossen istStair step according to claim 10,
characterized
that the reinforcement (120) is glued or potted with the layer (110) of acrylic glass Treppenstufe nach einem der voranstehenden Ansprüche,
dadurch gekennzeichnet,
dass die eine oder mehrere Glas- oder Kunststoffschichten (11 bis 14; 110) aufweisende Stufe (10; 100) Beleuchtungsmittel (40, 70) aufweist.Stair step according to one of the preceding claims,
characterized,
that one or several glass or plastic layers comprises illumination means (40, 70) (11 to 14;; 110) having stage (100 10). Treppenstufe nach einem der voranstehenden Ansprüche,
dadurch gekennzeichnet,
dass die Stufe (10) seitlich eine quer zur Längsrichtung der Stufe (10) verlaufende Öffnung (41) zur Aufnahme der Beleuchtungsmittel (40), z. B. einer Leiste mit mehreren Leuchtdioden, aufweist.Stair step according to one of the preceding claims,
characterized,
in that the step (10) laterally has an opening (41) extending transversely to the longitudinal direction of the step (10) for receiving the illumination means (40), e.g. As a bar with multiple LEDs, has. Treppenstufe nach einem der voranstehenden Ansprüche,
dadurch gekennzeichnet,
dass die Befestigungsvorrichtung (50) stirnseitig auf die Stufe (100) ausgerichtete Beleuchtungsmittel (70), z. B. eine Leiste (73) mit mehreren Leuchtdioden (74) aufweist.Stair step according to one of the preceding claims,
characterized,
that the fastening device (50) frontally to the level (100) aligned lighting means (70), z. B. a strip (73) having a plurality of light-emitting diodes (74). Treppenstufe nach einem der voranstehenden Ansprüche,
dadurch gekennzeichnet,
dass die Stufe (10) im Bereich der Beleuchtungsmittel (40) mindestens eine Schicht aus Weißglas (12) aufweist.Stair step according to one of the preceding claims,
characterized,
that the step (10) (40) comprises at least one layer of clear glass (12) in the area of the illumination means. Treppenstufe nach einem der voranstehenden Ansprüche,
dadurch gekennzeichnet,
dass die Stufe (10; 100) eine Deckschicht (14; 116) aus Naturstein, insbesondere aus Marmor aufweist.Stair step according to one of the preceding claims,
characterized,
that the step (10; 100); comprises natural stone, especially marble a cover layer (116 14). Treppenstufe nach einem der voranstehenden Ansprüche,
dadurch gekennzeichnet,
dass zwischen der Deckschicht (14; 116) aus Naturstein und der mindestens einen weiteren Glasschicht eine Armierung, z. B. in Form eines Kunststoffgitters (115) vorgesehen ist.Stair step according to one of the preceding claims,
characterized,
in that between the cover layer (14; 116) of natural stone and the at least one further glass layer a reinforcement, e.g. B. in the form of a plastic grid (115) is provided. Treppenstufe nach einem oder mehreren der voranstehenden Ansprüche,
dadurch gekennzeichnet,
dass mindestens die dem Beleuchtungsmittel (40, 70) zugewandte auskragende Stirnseite der Stufe (10; 100) poliert ist, wobei die übrigen Kanten der Stufe aufgeraut sind, z. B. durch Siebdruck, Sandstrahlen oder grobes Schleifen.Stair step according to one or more of the preceding claims,
characterized,
in that at least the projecting end face of the step (10; 100) facing the illumination means (40, 70) is polished, the remaining edges of the step being roughened, e.g. B. by screen printing, sandblasting or rough grinding.
EP06002220A 2005-07-29 2006-02-03 Stair comprising a mounting device and a cantilever step made of glass or synthetic material Active EP1748122B1 (en)

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DE102005035560A DE102005035560B3 (en) 2005-07-29 2005-07-29 Staircase for building has laminated glass treads cantilevered from wall using clamp brackets

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DE102013016300A1 (en) 2013-10-02 2015-04-02 X-Hotwood GmbH Device for staircase support of cantilevered glass steps

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RU2339774C2 (en) 2008-11-27
DE102005035560B3 (en) 2006-11-16
RU2006127091A (en) 2008-02-10
ES2303288T3 (en) 2008-08-01
ATE391214T1 (en) 2008-04-15
PL1748122T3 (en) 2008-08-29
DE502006000561D1 (en) 2008-05-15
EP1748122B1 (en) 2008-04-02

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