EP0056105B1 - Device for covering the joint between two construction parts - Google Patents

Device for covering the joint between two construction parts Download PDF

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Publication number
EP0056105B1
EP0056105B1 EP81109441A EP81109441A EP0056105B1 EP 0056105 B1 EP0056105 B1 EP 0056105B1 EP 81109441 A EP81109441 A EP 81109441A EP 81109441 A EP81109441 A EP 81109441A EP 0056105 B1 EP0056105 B1 EP 0056105B1
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EP
European Patent Office
Prior art keywords
sheet metal
edge strips
covering
strip
synthetic rubber
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Expired
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EP81109441A
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German (de)
French (fr)
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EP0056105A2 (en
EP0056105A3 (en
Inventor
Traugott Schoop
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Individual
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Individual
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Priority to AT81109441T priority Critical patent/ATE17511T1/en
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Publication of EP0056105A3 publication Critical patent/EP0056105A3/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • E04B1/6809—Reverse side strips
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • E04B1/6815—Expansion elements specially adapted for wall or ceiling parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/15—Trimming strips; Edge strips; Fascias; Expansion joints for roofs
    • E04D13/151—Expansion joints for roofs

Definitions

  • the invention relates to a device according to the preamble of claim 1 (H-A-596 407), that is to say a so-called expansion joint element or dilation element.
  • the sheet metal cover serves to protect the synthetic rubber center strip against all kinds of environmental influences, for example against heat, ultraviolet radiation, ozone, air pollution, dust or larger parts which could cause damage.
  • the metal cover must be removed in order to be able to carry out a visual inspection or peel inspection of the rubber-metal connection.
  • the invention is intended to provide a device with which two things can be achieved at the same time, namely once to create a possibility of attaching a continuous sheet metal cover from the outset prior to laying in prefabrication, so that a uniform, complete component can be delivered to the construction site can be bent or folded at the construction site together with the sheet metal cover as a whole, and at the same time to create a possibility to easily remove and re-attach the sheet metal cover as a whole at any time after laying the element, for control purposes in the bent or folded state of the element or the sheet metal cover.
  • a simple structure, a simple and inexpensive manufacture and a simple processing of the device with the possibility of checking at any time after installation are sought.
  • this is essentially achieved in that the sheet metal cover is vulcanized continuously over the entire length of the device with a width that is considerably narrower than the area between the inner edges of the sheet metal edge strips.
  • the sheet metal cover can be applied from the start in the manufacture of the device.
  • the device can be bent or folded together with the sheet metal cover as a whole at the construction site without the sheet metal cover bulging or lifting off.
  • the sheet metal cover can then be vulcanized again or fastened in some other way.
  • the width of the vulcanization area is very narrow compared to the width of the synthetic rubber center strip between the sheet metal edge strips.
  • the parts of the synthetic rubber middle strip remaining between the vulcanization area and the sheet metal edge strips then remain freely movable for the shrinking and stretching movements to be absorbed by the device.
  • the synthetic rubber middle strip in those areas in which it is vulcanized with the sheet metal parts (sheet edge strip and sheet cover), i.e. that is, in the central region and in its regions adjacent to the sheet metal edge strips, it is thicker and in its intermediate areas which are not vulcanized with sheet metal are made thinner. The thinner areas then mainly absorb the dilation movements.
  • the synthetic rubber middle strip is vulcanized to the underside of the inner edges of the sheet metal edge strips and to their inner edges. In the area under the sheet metal cover, the top of the central strip is then flush with the top of the two sheet metal edge strips. This not only results in a flat, low-profile design, but also avoids the risk that the synthetic rubber middle strip can detach or peel off from the sheet metal edge strips because the synthetic rubber is drawn from the underside of the sheet metal edge strips around their inner edge.
  • the flat design also makes it easier to fold the device.
  • the device with the sheet metal cover on the top is substantially flat, which is not only aesthetically advantageous, but also eliminates obstacles that z. B. would interfere with walking on a flat roof.
  • the device has an overall low overall height.
  • the construction and manufacture of the device are thus simplified by the invention.
  • the metal parts only need to be opened a surface are ground, namely the sheet metal edge strips on the underside at their edge area on which the central strip is vulcanized, and the cover plate also on its underside in the central area with which it is vulcanized onto the central strip.
  • a rubber blank has to be prepared and placed in the vulcanizing press.
  • each Figure 2 a device is known in which a sheet metal cover directly covers the inner edges of the two lateral sheet metal edge strips, under which the rubber-elastic central strip is vulcanized on one side.
  • a sheet metal cover directly covers the inner edges of the two lateral sheet metal edge strips, under which the rubber-elastic central strip is vulcanized on one side.
  • the sheet metal cover and the median strip there is only a liability in the entire central area and there in places, which is achieved by inserting a paper layer between the median strip on the one hand and the sheet metal edge strips and the sheet metal cover on the other hand, which has a perforation at the points where adhesion between sheet metal cover and median strip is desirable.
  • the bags mentioned are also disadvantageous for another reason: sand, dirt and other foreign bodies can penetrate into these bags and, due to the constant expansion movements, work into the vulcanization area between rubber and metal, which can damage the connection, so that there is a risk of The rubber is peeled off from the sheet metal edge strip. This risk of peeling is avoided in the invention because there are no pockets.
  • the sheet metal cover is easier to remove by targeted heating than in the last-described prior art.
  • the sheet metal cover is not above the sheet metal edge strips, but is inserted below the sheet metal edge strips in side pockets between the sheet metal edge strips and the synthetic rubber strip.
  • An intermediate paper layer is also provided here, so that the structure and manufacture are complicated.
  • the sheet metal cover will pop out when folding, while on the other hand, after the element has been laid, the sheet metal cover can practically not be removed or removed at all. Because of the side pockets there are the same disadvantages as in the known embodiment described above, namely the possibility of incorporating contaminants and the risk of peeling.
  • Fig. 1 shows schematically a perspective end view of the device, wherein the synthetic rubber center strip already has the final cross-sectional shape that occurs during vulcanization and only the cover plate is arranged a little above the device for clarification.
  • FIG. 2 shows a cross section through the device according to FIG. 1 in the ready-to-use state after vulcanization.
  • the device (expansion joint element, dilatation element) consists of a central strip 1 made of rubber-elastic material (plastic, rubber or synthetic rubber, all in short also referred to as "synthetic rubber"), the lateral edges 1a of which each engage under a sheet metal edge strip 3.
  • the lateral edges 1a of the central strip 1 are vulcanized onto the underside of the inner edge regions 3a of the sheet metal edge strips 3.
  • the edge regions 11a of the central strip 1 are also vulcanized onto the lateral inner edges 3b of the sheet metal edge strips 3.
  • the device is used, for example, to bridge a parting line on a building. When configured as a dilation element with zero movement (DE-PS 1 709 019), the device can be used to bridge a joint between sheet metal profiles on roof edges.
  • the synthetic rubber center strip 1 takes up the movements resulting from temperature differences in the form of an expansion or contraction.
  • the edge regions 1a of the central strip 1 are drawn around the inner edges 3b of the sheet metal edge strips 3, so that the upper sides of the inner edges 3a of the sheet metal edge strips 3 are flush with the upper side of the central strip 1 and form a continuous flat surface.
  • the sheet metal cover 9 applied to the central strip 1 can have essentially the same thickness or height as the roof covering to be applied to the sheet metal edge strips 3, so that a practically flat roof surface results in the fully installed state.
  • the sheet metal cover 9 which overlaps and covers the inner edges 3a of the sheet metal edge strips 3, is vulcanized along the central region 5 directly onto the upper side of the central strip 1, and that throughout the entire length of the device.
  • the width of the vulcanization area 5 is considerably narrower than the width of the synthetic rubber center strip between the sheet metal edge strips 3.
  • the inner edges 3a of the sheet metal edge strips 3 in the area under the sheet metal cover 9 are offset relative to the outer parts 3c of the sheet metal edge strips 3 by approximately the sheet metal thickness of the sheet metal cover 9.
  • This configuration results when the device is pressed in the vulcanizing mold, the sheet metal cover 9, due to the pressure exerted, bending the edge regions 3a of the sheet metal edge strips 3 in the direction of the synthetic rubber center strip 1, that is to say perpendicularly to the sheet metal plane.
  • the top of the outer parts 3c of the sheet metal edge strips 3 is then approximately flush with the top of the sheet metal cover 9, while the edge areas 3a of the sheet metal edge strips 3 are, so to speak, recessed within the synthetic rubber center strip 1. This gives you a design whose top surface is practically flat. Nevertheless, a transverse displacement of the sheet metal edge strips 3 with respect to the sheet metal cover 9 is possible, whereby it should be borne in mind that the movement paths under consideration are very small.
  • the expansion joint element or dilatation element which is prefabricated in the factory, arrives as a whole with the sheet metal cover at the construction site and can be used there, for example, to bridge structural joints. It can also be folded several times across its longitudinal direction, which is easily possible due to the low overall height.
  • the element can also be laid in the form of a gutter, the bending to form the gutter shape taking place transversely to the longitudinal direction of the element.
  • the device according to the invention can also be used with particular advantage as a scissor-like dilation element with a zero point of movement (in the manner of a tuning fork) for bridging the joint between the ends of sheet metal roof edge profiles (DE-PS 1 709 019).
  • the entire width of the synthetic rubber center strip 1 between the inner edges 3b of the sheet metal edge strips 3 can be used to accommodate the movements occurring, although the movement is essentially recorded in the thinner areas 1b of the center strip 1.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Building Environments (AREA)
  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
  • Seal Device For Vehicle (AREA)
  • Laminated Bodies (AREA)

Abstract

1. Device for covering the joint between two construction parts, especially a roof covering or a r of edge bordering, with a center strip (1) made of rubber-elastic material (synthetic rubber) and two sheet metal edge strips (3) to be connected with parts of the construction located on both sides of the joint, as well as with a sheet metal covering (9) provided above the center strip (1) the sheet metal covering being vulcanized onto the synthetic rubber strip (1) along the upper side and the central area thereof, characterized in that the sheet metal covering (9) is vulcanized continuously along the entire length of the device with a width (5) that is substantially narrower than the area between the inner edges (3b) of the sheet metal edge strips (3).

Description

Die Erfindung betrifft eine Vorrichtung entsprechend dem Oberbegriff des Anspruchs 1 (H-A-596 407), also ein sogenanntes Dehnfugenelement oder Dilatationselement.The invention relates to a device according to the preamble of claim 1 (H-A-596 407), that is to say a so-called expansion joint element or dilation element.

In der deutschen Patentanmeldung P 29 41 365.8, die nicht zum Stand der Technik rechnet, ist ebenso ein solches Element beschrieben, bei dem zur Halterung der Blechabdeckung an dem Kunstgummimittelstreifen ein Blechzwischenstreifen vorgesehen ist, der auf den Kunstgummimittelstreifen aufvulkanisiert ist und mit dem die Blechabdeckung an einzelnen hintereinanderliegenden Stellen verbunden ist. Der zur Halterung verwendete Blechzwischenstreifen stellt also ein zusätzliches Bauteil dar.In the German patent application P 29 41 365.8, which does not count towards the prior art, such an element is also described in which an intermediate sheet metal strip is provided for holding the sheet metal cover on the synthetic rubber central strip, which is vulcanized onto the synthetic rubber central strip and with which the sheet metal cover is attached individual consecutive positions is connected. The intermediate sheet metal strip used for mounting is therefore an additional component.

Die Blechabdeckung dient dazu, den Kunstgummimittelstreifen gegen Umwelteinflüsse aller Art zu schützen, beispielsweise gegen Hitze, Ultraviolettstrahlung, Ozon, Luftverunreinigungen, Staub oder größere Teile, die eine Beschädigung hervorrufen könnten.The sheet metal cover serves to protect the synthetic rubber center strip against all kinds of environmental influences, for example against heat, ultraviolet radiation, ozone, air pollution, dust or larger parts which could cause damage.

Es besteht dabei die Notwendigkeit, die Vulkanisationsverbindung zwischen den Blechrandstreifen und dem Kunstgummimittelstreifen von Zeit zu Zeit auf Dichtheit zu überprüfen. Hierzu muß die Blechabdeckung abgenommen werden, um eine Sichtkontrolle oder Abschälkontrolle der Gummi-Metall-Verbindung vornehmen zu können.From time to time there is a need to check the vulcanization connection between the sheet metal edge strips and the synthetic rubber center strip for leaks. For this purpose, the metal cover must be removed in order to be able to carry out a visual inspection or peel inspection of the rubber-metal connection.

Durch die Erfindung soll eine Vorrichtung geschaffen werden, mit der gleichzeitig zweierlei erreicht werden kann, nämlich einmal eine Möglichkeit zu schaffen, eine durchgehende Blechabdeckung von vornherein vor dem Verlegen in Vorfertigung anzubringen, so daß ein einheitliches komplettes Bauelement an die Baustelle geliefert werden kann, das an der Baustelle zusammen mit der Blechabdeckung als Ganzes je nach Bedarf gebogen oder abgekantet werden kann, und zum anderen gleichzeitig eine Möglichkeit zu schaffen, nach dem Verlegen des Elements die Blechabdeckung zu Kontrollzwecken jederzeit als Ganzes leicht abnehmen und wieder anbringen zu können, und zwar auch im abgebogenen oder abgekanteten Zustand des Elements bzw. der Blechabdeckung. Insgesamt werden also ein einfacher Aufbau, eine einfache und billige Herstellung und eine einfache Verarbeitung der Vorrichtung mit der Möglichkeit der jederzeitigen Überprüfung nach dem Verlegen angestrebt.The invention is intended to provide a device with which two things can be achieved at the same time, namely once to create a possibility of attaching a continuous sheet metal cover from the outset prior to laying in prefabrication, so that a uniform, complete component can be delivered to the construction site can be bent or folded at the construction site together with the sheet metal cover as a whole, and at the same time to create a possibility to easily remove and re-attach the sheet metal cover as a whole at any time after laying the element, for control purposes in the bent or folded state of the element or the sheet metal cover. Overall, a simple structure, a simple and inexpensive manufacture and a simple processing of the device with the possibility of checking at any time after installation are sought.

Erfindungsgemäss wird dies im wesentlichen dadurch erreicht, dass die Blechabdeckung durchgehend über die ganze Länge der Vorrichtung mit einer Breite, die wesentlich schmaler als der Bereich zwischen den Innenrändern der Blechrandstreifen ist, aufvulkanisiert ist.According to the invention, this is essentially achieved in that the sheet metal cover is vulcanized continuously over the entire length of the device with a width that is considerably narrower than the area between the inner edges of the sheet metal edge strips.

Eine zusätzliche Halterung für die Blechabdeckung ist also nicht erforderlich. Die Blechabdeckung kann von vornherein bei der Herstellung der Vorrichtung aufgebracht werden. Die Vorrichtung kann an der Baustelle gemeinsam mit der Blechabdeckung als Ganzes abgebogen oder abgekantet werden, ohne dass sich die Blechabdeckung aufwölbt oder abhebt. Gleichzeitig besteht jedoch die Möglichkeit, auch nach dem Verlegen und auch im abgebogenen Zustand die Blechabdeckung zu Kontrollzwecken jederzeit leicht abzunehmen und wieder anzubringen. Dies kann z.B. durch gezieltes Erwärmen der Blechabdeckung im Vulkanisationsbereich längs des Mittelstreifens erfolgen, wodurch sich die Blechabdeckung vom Mittelstreifen löst. Die eigentliche Vorrichtung wird also nicht ausgebaut. Nach Überprüfung der Vorrichtung kann die Blechabdeckung anschliessend wieder aufvulkanisiert oder in anderer Weise befestigt werden.An additional bracket for the sheet metal cover is therefore not necessary. The sheet metal cover can be applied from the start in the manufacture of the device. The device can be bent or folded together with the sheet metal cover as a whole at the construction site without the sheet metal cover bulging or lifting off. At the same time, however, it is possible to easily remove and replace the sheet metal cover at any time for checking purposes, even after installation and when bent. This can e.g. by specifically heating the sheet metal cover in the vulcanization area along the median strip, as a result of which the sheet metal cover detaches from the median strip. The actual device is therefore not removed. After checking the device, the sheet metal cover can then be vulcanized again or fastened in some other way.

Besonders vorteilhaft ist es hierbei, dass die Breite des Vulkanisationsbereichs im Vergleich zu der Breite des Kunstgummimittelstreifens zwischen den Blechrandstreifen sehr schmal ist. Die zwischen dem Vulkanisationsbereich und den Blechrandstreifen verbleibenden Teile des Kunstgummimittelstreifens bleiben dann für die von der Vorrichtung aufzunehmenden Schrumpf-und Dehnungsbewegungen frei beweglich.It is particularly advantageous here that the width of the vulcanization area is very narrow compared to the width of the synthetic rubber center strip between the sheet metal edge strips. The parts of the synthetic rubber middle strip remaining between the vulcanization area and the sheet metal edge strips then remain freely movable for the shrinking and stretching movements to be absorbed by the device.

Für die Aufnahme dieser infolge von Temperaturunterschieden entstehenden Bewegungen ist es nach Anspruch 2 vorteilhaft, wenn der Kunstgummimittelstreifen in denjenigen Bereichen, in denen er mit den Blechteilen (Blechrandstreifen und Blechabdeckung) vulkanisiert ist, d.h. also im Mittelbereich und in seinen den Blechrandstreifen benachbarten Bereichen, dicker und in seinen dazwischen liegenden, nicht mit Blech vulkanisierten Bereichen dünner ausgebildet ist. Die dünneren Bereiche nehmen dann vorwiegend die Dilatationsbewegungen auf.For the inclusion of these movements resulting from temperature differences, it is advantageous according to claim 2 if the synthetic rubber middle strip in those areas in which it is vulcanized with the sheet metal parts (sheet edge strip and sheet cover), i.e. that is, in the central region and in its regions adjacent to the sheet metal edge strips, it is thicker and in its intermediate areas which are not vulcanized with sheet metal are made thinner. The thinner areas then mainly absorb the dilation movements.

In Weiterbildung der Erfindung gemäß Anspruch 3 genügt es, wenn der Kunstgummimittelstreifen an die Unterseite der Innenränder der Blechrandstreifen sowie an deren Innenkanten anvulkanisiert ist. Im Bereich unter der Blechabdeckung ist dann die Oberseite des Mittelstreifens mit der Oberseite der beiden Blechrandstreifen bündig. Hierdurch ergibt sich nicht nur eine flache niedrige Bauform, sondern es ist auch die Gefahr vermieden, daß sich der Kunstgummimittelstreifen von den Blechrandstreifen ablösen oder abschälen kann, weil der Kunstgummi von der Unterseite der Blechrandstreifen um deren Innenkante herumgezogen ist. Die flache Bauform erleichtert gleichzeitig das Abkanten der Vorrichtung.In a development of the invention according to claim 3, it is sufficient if the synthetic rubber middle strip is vulcanized to the underside of the inner edges of the sheet metal edge strips and to their inner edges. In the area under the sheet metal cover, the top of the central strip is then flush with the top of the two sheet metal edge strips. This not only results in a flat, low-profile design, but also avoids the risk that the synthetic rubber middle strip can detach or peel off from the sheet metal edge strips because the synthetic rubber is drawn from the underside of the sheet metal edge strips around their inner edge. The flat design also makes it easier to fold the device.

Gemäß Anspruch 4 läßt sich erreichen, daß die Vorrichtung mit der Blechabdeckung an der Oberseite im wesentlichen eben ist, was nicht nur ästhetisch von Vorteil ist, sondern auch Hindernisse beseitigt, die z. B. beim Begehen eines Flachdachs stören würden. Auch hierbei hat die Vorrichtung insgesamt eine niedrige Bauhöhe.According to claim 4 can be achieved that the device with the sheet metal cover on the top is substantially flat, which is not only aesthetically advantageous, but also eliminates obstacles that z. B. would interfere with walking on a flat roof. Here too, the device has an overall low overall height.

Insgesamt sind also durch die Erfindung der Aufbau und die Herstellung der Vorrichtung vereinfacht. Die Metallteile müssen jeweils nur auf einer Fläche geschliffen werden, nämlich die Blechrandstreifen an der Unterseite an ihrem Randbereich, an dem der Mittelstreifen anvulkanisiert wird, und das Abdeckblech ebenfalls an seiner Unterseite im Mittelbereich, mit dem es auf den Mittelstreifen aufvulkanisiert wird. Zur Herstellung der Vorrichtung muß außerdem nur ein Gummirohling vorbereitet und in die Vulkanisierpresse eingelegt werden.Overall, the construction and manufacture of the device are thus simplified by the invention. The metal parts only need to be opened a surface are ground, namely the sheet metal edge strips on the underside at their edge area on which the central strip is vulcanized, and the cover plate also on its underside in the central area with which it is vulcanized onto the central strip. To manufacture the device, only a rubber blank has to be prepared and placed in the vulcanizing press.

Aus der DE-OS 25 31 695 oder der entsprechenden CH-PS 596 407, jeweils Figur 2, ist zwar eine Vorrichtung bekannt, bei der eine Blechabdeckung unmittelbar die Innenränder der beiden seitlichen Blechrandstreifen abdeckt, unter denen der gummielastische Mittelstreifen einseitig anvulkanisiert ist. Zwischen der Blechabdeckung und dem Mittelstreifen besteht jedoch im gesamten Mittelbereich und dort nur stellenweise eine Haftung, die dadurch erreicht wird, dass zwischen dem Mittelstreifen einerseits und den Blechrandstreifen und der Blechabdeckung andererseits eine Papierschicht eingelegt ist, die eine Lochung an den Stellen aufweist, an denen eine Haftung zwischen Blechabdeckung und Mittelstreifen erwünscht ist. Infolge dieser Ausbildung ist einerseits an den Haftungsstellen eine Dehnung des Kunstgummimittelstreifens quer zur Längsrichtung der Vorrichtung kaum möglich, und zum anderen ergibt sich beim Abbiegen oder Abkanten der Vorrichtung um eine quer zur Längsrichtung liegende Achse eine Verschiebung der Blechabdeckung gegenüber den übrigen Teilen der Vorrichtung, die zur Folge hat, dass die Blechabdeckung sich, je nach Biegerichtung, nach innen oder nach aussen aufwölbt oder durchbiegt. Hierdurch kann die Blechabdeckung an den Haftstellen von dem Kunstgummimittelstreifen abreissen. Die durch die Lochung im Papier gebildeten Haftstellen sind nach dem Verlegen des Dilatationselements von aussen nicht mehr erkennbar oder zugänglich, so dass ein Abnehmen der Blechabdeckung zu Kontrottzwecken erschwert und ein Wiederanbringen unmöglich ist. Nach Abnehmen der Blechabdeckung besteht auch keine Möglichkeit einer Kontrolle der Gummi-Metall-Verbindung, weil wegen der Papierzwischenlage keine Haftung an dem nach Abnehmen der Blechabdeckung freigelegten Rand zwischen Mittelstreifen und Blechrandstreifen besteht. Vielmehr befinden sich dort infolge der Papierzwischenlage Taschen, die sich seitlich unter die Blechrandstreifen erstrecken. Der außerhalb dieser Taschen liegende Vulkanisierungsbereich zwischen Gummi und Metall ist also selbst nach Abnehmen der Blechabdeckung nicht für eine Kontrolle zugänglich.From DE-OS 25 31 695 or the corresponding CH-PS 596 407, each Figure 2, a device is known in which a sheet metal cover directly covers the inner edges of the two lateral sheet metal edge strips, under which the rubber-elastic central strip is vulcanized on one side. However, between the sheet metal cover and the median strip there is only a liability in the entire central area and there in places, which is achieved by inserting a paper layer between the median strip on the one hand and the sheet metal edge strips and the sheet metal cover on the other hand, which has a perforation at the points where adhesion between sheet metal cover and median strip is desirable. As a result of this design, on the one hand, stretching of the synthetic rubber center strip transversely to the longitudinal direction of the device is hardly possible at the adhesion points, and, on the other hand, when the device is bent or folded over an axis lying transversely to the longitudinal direction, the sheet metal cover is displaced relative to the other parts of the device has the consequence that the sheet metal cover, depending on the direction of bending, bulges inwards or outwards or bends. As a result, the sheet metal cover can tear off at the adhesion points from the synthetic rubber center strip. The points of adhesion formed by the perforation in the paper are no longer recognizable or accessible from the outside after the dilatation element has been laid, so that it is difficult to remove the sheet metal cover for control purposes and it is impossible to re-attach it. After removing the sheet metal cover, there is also no possibility of checking the rubber-metal connection because, because of the paper intermediate layer, there is no liability on the edge between the central strip and sheet metal edge strip exposed after the sheet metal cover has been removed. Rather, due to the paper liner, there are pockets that extend laterally under the sheet metal edge strips. The vulcanization area between the rubber and metal outside these pockets is therefore not accessible for inspection even after the sheet metal cover has been removed.

Die erwähnten Taschen sind auch aus einem anderen Grund nachteilig: Es können Sand, Schmutz und andere Fremdkörper in diese Taschen eindringen und sich durch die ständigen Dehnungsbewegungen in den Vulkanisierungsbereich zwischen Gummi und Metall einarbeiten, wodurch die Verbindung beschädigt werden kann, so daß die Gefahr eines Abschälens des Gummis vom Blechrandstreifen besteht. Diese Abschälgefahr ist bei der Erfindung vermieden, weil keine Taschen vorhanden sind. Auch ist bei der Erfindung die Blechabdeckung leichter durch gezieltes Erwärmen zu entfernen als nach dem zuletzt beschriebenen Stand der Technik.The bags mentioned are also disadvantageous for another reason: sand, dirt and other foreign bodies can penetrate into these bags and, due to the constant expansion movements, work into the vulcanization area between rubber and metal, which can damage the connection, so that there is a risk of The rubber is peeled off from the sheet metal edge strip. This risk of peeling is avoided in the invention because there are no pockets. In the invention, the sheet metal cover is easier to remove by targeted heating than in the last-described prior art.

Bei einer anderen Ausführungsform nach Fig. 1 der erwähnten DE-OS 25 31 695 oder CH-PS 596 407 liegt die Blechabdeckung nicht oberhalb der Blechrandstreifen, sondern sie ist unterhalb der Blechrandstreifen in seitliche Taschen zwischen den Blechrandstreifen und dem Kunstgummimittelstreifen eingefügt. Auch hier ist eine Papierzwischenlage vorgesehen, so daß der Aufbau und die Herstellung kompliziert sind. Darüberhinaus besteht die Gefahr, daß bei dieser Ausführung die Blechabdeckung beim Abkanten herausspringt, während andererseits nach Verlegen des Elements die Blechabdeckung praktisch Überhaupt nicht herauszunehmen oder zu entfernen ist. Wegen der seitlichen Taschen bestehen hier die gleichen Nachteile wie bei der zuvor beschriebenen bekannten Ausführungsform, nämlich Möglichkeit des Einarbeitens von Verunreinigungen und Abschälgefahr.In another embodiment according to Fig. 1 of the mentioned DE-OS 25 31 695 or CH-PS 596 407, the sheet metal cover is not above the sheet metal edge strips, but is inserted below the sheet metal edge strips in side pockets between the sheet metal edge strips and the synthetic rubber strip. An intermediate paper layer is also provided here, so that the structure and manufacture are complicated. In addition, there is a risk that in this embodiment the sheet metal cover will pop out when folding, while on the other hand, after the element has been laid, the sheet metal cover can practically not be removed or removed at all. Because of the side pockets there are the same disadvantages as in the known embodiment described above, namely the possibility of incorporating contaminants and the risk of peeling.

Ein Ausführungsbeispiel der Erfindung wird im folgenden anhand der Zeichnung beschrieben.An embodiment of the invention is described below with reference to the drawing.

Fig. 1 zeigt schematisch eine perspektivische Endansicht der Vorrichtung, wobei der Kunstgummimittelstreifen bereits die endgültige, sich beim Vulkanisieren einstellende Querschnittsform hat und nur das Abdeckblech zur Verdeutlichung mit etwas Abstandoberhalb der Vorrichtung angeordnet ist.Fig. 1 shows schematically a perspective end view of the device, wherein the synthetic rubber center strip already has the final cross-sectional shape that occurs during vulcanization and only the cover plate is arranged a little above the device for clarification.

Fig. 2 zeigt einen Querschnitt durch die Vorrichtung gemäß Fig. 1 im gebrauchsfertigen Zustand nach dem Vulkanisieren.FIG. 2 shows a cross section through the device according to FIG. 1 in the ready-to-use state after vulcanization.

Die Vorrichtung (Dehnfugenelement, Dilatationselement) besteht aus einem Mittelstreifen 1 aus gummielastischem Material (Kunststoff, Gummi oder Kunstgummi, alles zusammengefaßt auch kurz als "Kunstgummi" bezeichnet), dessen seitliche Ränder1a jeweils einen Blechrandstreifen 3 untergreifen. Die seitlichen Ränder 1a des Mittelstreifens 1 sind an die Unterseite der inneren Randbereiche 3a der Blechrandstreifen 3 anvulkanisiert. Dabei sind die Randbereichela des Mittelstreifens 1 auch an die seitlichen Innenkanten 3b der Blechrandstreifen 3 anvulkanisiert. Die Vorrichtung dient beispielsweise zum Überbrücken einer Trennfuge an einem Bauwerk. Bei Ausbildung als Dilatationselement mit Bewegungsnullpunkt (DE-PS 1 709 019) kann die Vorrichtung zum Überbrücken einer Fuge zwischen Blechprofilen an Dachrändern eingesetzt werden. Der Kunstgummimittelstreifen 1 nimmt dabei jeweils in Form einer Dehnung oder Schrumpfung die sich infolge von Temperaturunterschieden ergebenden Bewegungen auf.The device (expansion joint element, dilatation element) consists of a central strip 1 made of rubber-elastic material (plastic, rubber or synthetic rubber, all in short also referred to as "synthetic rubber"), the lateral edges 1a of which each engage under a sheet metal edge strip 3. The lateral edges 1a of the central strip 1 are vulcanized onto the underside of the inner edge regions 3a of the sheet metal edge strips 3. The edge regions 11a of the central strip 1 are also vulcanized onto the lateral inner edges 3b of the sheet metal edge strips 3. The device is used, for example, to bridge a parting line on a building. When configured as a dilation element with zero movement (DE-PS 1 709 019), the device can be used to bridge a joint between sheet metal profiles on roof edges. The synthetic rubber center strip 1 takes up the movements resulting from temperature differences in the form of an expansion or contraction.

Für die beschriebenen Verwendungszwecke können an den äußeren Teilen 3c der Blechrandstreifen 3 nicht dargestellte Dacheindeckungsbahnen, beispielsweise aus Dachpappe, oder - bei einer scherenartig arbeitenden Vorrichtung mit Bewegungsnullpölkt-B!"'cllprofile einer Dachrandeinfassung befestigt werden. Bei Temperaturschwankungen verschieben sich die Blechrandstreifen 3 mit den daran befestigten Bauteilen. Infolgedessen nimmt der Kunstgummimittelstreifen 1 die Dehnungs- oder Schrumpfbewegungen der Bauteile auf, wobei der Mittelstreifen 1 wegen seiner Elastizität selbst schrumpft oder sich dehnt. Um eine Dehnung oder Schrumpfung bevorzugt nicht an den Vulkanisationsstellen sondern im Mittelbereich des Mittelstreifens 1 zu erzielen, sind dessen Randteile 1a dicker und sein Mittelteil zu beiden Seiten eines mittleren Bereichs 5, der eine später zu beschreibende Bedeutung hat, durch in Längsrichtung an der Unterseite verlaufende Vertiefungen in den Bereichen 1b dünner ausgebildet. Hierbei handelt es sich nur um eine bevorzugte Ausführungsform. Es sind auch andere Querschnittsgestaltungen des Mittelstreifens 1 möglich.For the uses described 3c on the outer parts Sheet metal edge strips 3 roof covering sheets, not shown, for example made of roofing felt, or - in the case of a scissor-like device with zero-motion movement B! "'Cllprofile be attached to a roof edge - or shrinking movements of the components, the central stripe 1 itself shrinking or stretching due to its elasticity. In order to achieve stretching or shrinking preferably not at the vulcanization points but in the central region of the central stripe 1, its edge parts 1a are thicker and its middle part on both sides of a central region 5, which has a meaning to be described later, is made thinner in the regions 1b by depressions running in the longitudinal direction on the underside. This is only a preferred embodiment. Other qu Sectional designs of the median strip 1 possible.

Die Randbereiche 1a des Mittelstreifens 1 sind um die Innenkanten 3b der Blechrandstreifen 3 herumgezogen, so daß die Oberseiten der Innenränder 3a der Blechrandstreifen 3 mit der Oberseite des Mittelstreifens 1 bündig sind und eine durchgehende flache Oberfläche bilden. Die, wie im folgenden beschrieben, auf den Mittelstreifen 1 aufgebrachte Blechabdeckung 9 kann im wesentlichen die gleiche Dicke oder Höhe wie die auf die Blechrandstreifen 3 aufzubringende Dacheindeckung haben, so daß sich im fertig eingebauten Zustand eine praktisch ebene Dachoberfläche ergibt.The edge regions 1a of the central strip 1 are drawn around the inner edges 3b of the sheet metal edge strips 3, so that the upper sides of the inner edges 3a of the sheet metal edge strips 3 are flush with the upper side of the central strip 1 and form a continuous flat surface. The, as described below, the sheet metal cover 9 applied to the central strip 1 can have essentially the same thickness or height as the roof covering to be applied to the sheet metal edge strips 3, so that a practically flat roof surface results in the fully installed state.

Die Blechabdeckung 9, die die Innenränder 3a der Blechrandstreifen 3 übergreift und abdeckt, ist längs des Mittelbereichs 5 unmittelbar auf die Oberseite des Mittelstreifens 1 aufvulkanisiert, und zwar durchgehend über die ganze Länge der Vorrichtung. Die Breite des Vulkanisationsbereichs 5 ist wesentlich schmaler als die Breite des Kunstgummimittelstreifens zwischen den Blechrandstreifen 3. Zwischen den seitlichen Rändern der Blechabdeckung 9 und den Innenrändern 3a der Blechrandstreifen 3 besteht keine feste Verbindung, so daß bei der beschriebenen Bewegung der Vorrichtung eine Verschiebung der Blechrandstreifen 3 quer zu der Blechabdeckung 9 möglich ist.The sheet metal cover 9, which overlaps and covers the inner edges 3a of the sheet metal edge strips 3, is vulcanized along the central region 5 directly onto the upper side of the central strip 1, and that throughout the entire length of the device. The width of the vulcanization area 5 is considerably narrower than the width of the synthetic rubber center strip between the sheet metal edge strips 3. There is no fixed connection between the side edges of the sheet metal cover 9 and the inner edges 3 a of the sheet metal edge strips 3, so that a displacement of the sheet metal edge strips 3 during the described movement of the device across the sheet metal cover 9 is possible.

Wie Fig. 2 zeigt, sind die Innenränder 3a der Blechrandstreifen 3 im Bereich unter der Blechabdeckung 9 gegenüber den äußeren Teilen 3c der Blechrandstreifen 3 etwa um die Blechstärke der Blechabdeckung 9 nach unten versetzt. Diese Ausbildung ergibt sich beim Pressen der Vorrichtung in der Vulkanisierform, wobei die Blechabdeckung 9 infolge des ausgeübten Drucks die Randbereiche 3a der Blechrandstreifen 3 in Richtung auf den Kunstgummimittelstreifen 1, also senkrecht zur Blechebene, abbiegt. Die Oberseite der äußeren Teile 3c der Blechrandstreifen 3 ist dann mit der Oberseite der Blechabdeckung 9 etwa bündig, während die Randbereiche 3a der Blechrandstreifen 3 sozusagen vertieft innerhalb des Kunstgummimittelstreifens 1 liegen. Damit erreicht man eine Bauform, deren obere Oberfläche praktisch eben ist. Trotzdem ist eine Querverschiebung der Blechrandstreifen 3 gegenüber der Blechabdeckung 9 möglich, wobei zu bedenken ist, daß die in Betracht kommenden Bewegungswege sehr klein sind.2 shows, the inner edges 3a of the sheet metal edge strips 3 in the area under the sheet metal cover 9 are offset relative to the outer parts 3c of the sheet metal edge strips 3 by approximately the sheet metal thickness of the sheet metal cover 9. This configuration results when the device is pressed in the vulcanizing mold, the sheet metal cover 9, due to the pressure exerted, bending the edge regions 3a of the sheet metal edge strips 3 in the direction of the synthetic rubber center strip 1, that is to say perpendicularly to the sheet metal plane. The top of the outer parts 3c of the sheet metal edge strips 3 is then approximately flush with the top of the sheet metal cover 9, while the edge areas 3a of the sheet metal edge strips 3 are, so to speak, recessed within the synthetic rubber center strip 1. This gives you a design whose top surface is practically flat. Nevertheless, a transverse displacement of the sheet metal edge strips 3 with respect to the sheet metal cover 9 is possible, whereby it should be borne in mind that the movement paths under consideration are very small.

Das fabrikmässig in ebenem Zustand vorgefertigte Dehnfugenelement oder Dilatationselement gelangt als Ganzes mit der Blechabdeckung zur Baustelle und kann dort je nach Bedarf beispielsweise zum Überbrücken von Bauwerksfugen verwendet werden. Es kann auch quer zu seiner Längsrichtung mehrfach abgekantet werden, was wegen der geringen Gesamtbauhöhe leicht möglich ist. Das Element kann auch in Form einer Rinne verlegt werden, wobei das Abbiegen zur Bildung der Rinnenform quer zur Längsrichtung des Elements erfolgt. Die erfindungsgemässe Vorrichtung kann mit besonderem Vorteil auch als scherenartig arbeitendes Dilatationselement mit Bewegungsnullpunkt (nach Art einer Stimmgabel) zum Überbrücken der Fuge zwischen den Enden von Dachrandprofilen aus Blech eingesetzt werden (DE-PS 1 709 019). In allen Fällen läßt sich die gesamte Breite des Kunstgummimittelstreifens 1 zwischen den Innenrändern 3b der Blechrandstreifen 3 zur Aufnahme der auftretenden Bewegungen ausnutzen, obwohl die Bewegung im wesentlichen in den dünneren Bereichen 1 b des Mittelstreifens 1 aufgenommen wird.The expansion joint element or dilatation element, which is prefabricated in the factory, arrives as a whole with the sheet metal cover at the construction site and can be used there, for example, to bridge structural joints. It can also be folded several times across its longitudinal direction, which is easily possible due to the low overall height. The element can also be laid in the form of a gutter, the bending to form the gutter shape taking place transversely to the longitudinal direction of the element. The device according to the invention can also be used with particular advantage as a scissor-like dilation element with a zero point of movement (in the manner of a tuning fork) for bridging the joint between the ends of sheet metal roof edge profiles (DE-PS 1 709 019). In all cases, the entire width of the synthetic rubber center strip 1 between the inner edges 3b of the sheet metal edge strips 3 can be used to accommodate the movements occurring, although the movement is essentially recorded in the thinner areas 1b of the center strip 1.

Claims (4)

1. Device for covering the joint between two construction parts, especially a roof covering or a roof edge bordering, with a center strip (1) made of rubber-elastic material (synthetic rubber) and two sheet metal edge strips (3) to be connected with parts of the construction located on both sides of the joint, as well as with a sheet metal covering (9) provided above the center strip (1), the sheet metal covering being vulcanized onto the synthetic rubber strip (1) along the upper side and the central area thereof, characterized in that the sheet metal covering (9) is vulcanized continuously along the entire length of the device with a width (5) that is substantially narrower than the area between the inner edges (3b) of the sheet metal edge strips (3).
2. Device according to claim 1, characterized in that the synthetic rubber strip (1) is thicker in those areas, in which it is vulcanized with the sheet metal parts (sheet metal edge strips (3), sheet metal covering (9)), and is thinner in its intermediate areas (1 b) not vulcanized with sheet metal.
3. Device according to one of the preceding claims, characterized in that the synthetic rubber center strip (1) is vulcanized to the underside of the inner rims (3a) of the sheet metal edge strips (3) as well as to their inner edges (3b), so that in the region below the sheet metal covering (9) the upper side of the center strip (1) is flush with the upper side of both of the sheet metal edge strips (3).
4. Device according to one of the preceding claims, characterized in that the inner rims (3a) of the sheet metal edge strips (3) in the region below the sheet metal covering (9) are offset downwardly relative to the outer parts (3c) of the sheet metal edge strips (3) by about the sheet metal thickness of the sheet metal covering (9), so that the upper side of the outer parts (3c) of the sheet metal edge strips (3) is about flush with the upper side of the sheet metal covering (9).
EP81109441A 1981-01-13 1981-10-30 Device for covering the joint between two construction parts Expired EP0056105B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81109441T ATE17511T1 (en) 1981-01-13 1981-10-30 DEVICE TO BRIDGE THE JOINT BETWEEN TWO ELEMENTS OF A STRUCTURE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19813100775 DE3100775A1 (en) 1981-01-13 1981-01-13 DEVICE FOR BRIDGING THE JOINT BETWEEN TWO PARTS OF A ROOF COVER
DE3100775 1981-01-13

Publications (3)

Publication Number Publication Date
EP0056105A2 EP0056105A2 (en) 1982-07-21
EP0056105A3 EP0056105A3 (en) 1983-05-25
EP0056105B1 true EP0056105B1 (en) 1986-01-15

Family

ID=6122513

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81109441A Expired EP0056105B1 (en) 1981-01-13 1981-10-30 Device for covering the joint between two construction parts

Country Status (3)

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EP (1) EP0056105B1 (en)
AT (1) ATE17511T1 (en)
DE (2) DE3100775A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4680909A (en) * 1984-09-11 1987-07-21 Industrial Research Development, Inc. Roofing system
GB2189523B (en) * 1986-04-11 1990-03-21 Ronald Curtis Bayes Bridging member
DE3827503C2 (en) * 1988-08-12 1999-09-02 Schoop & Co Ag Expansion joint tape

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1759246C3 (en) * 1968-04-11 1980-07-03 Traugott Niederrohrdorf Schoop (Schweiz) Device for bridging the joint between two parts of a roof covering
CH529269A (en) * 1970-09-17 1972-10-15 Kunstoff Ag Joint tape
CH596407A5 (en) * 1975-07-10 1978-03-15 Ammann Ernst Ag
DE2531695C3 (en) * 1975-07-16 1985-12-12 Ernst Ammann AG Spenglerei - Halbfabrikate, Wallenwil Device for bridging the joint between two parts of a roof covering
DE2941365A1 (en) * 1979-10-12 1981-04-23 Traugott Niederrohrdorf Schopp DEVICE FOR BRIDGING THE JOINT BETWEEN TWO PARTS OF A ROOF COVER

Also Published As

Publication number Publication date
DE3173531D1 (en) 1986-02-27
EP0056105A2 (en) 1982-07-21
DE3100775A1 (en) 1982-08-26
ATE17511T1 (en) 1986-02-15
EP0056105A3 (en) 1983-05-25

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