EP1683924A1 - Sealing device for sealing of joints - Google Patents

Sealing device for sealing of joints Download PDF

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Publication number
EP1683924A1
EP1683924A1 EP05022363A EP05022363A EP1683924A1 EP 1683924 A1 EP1683924 A1 EP 1683924A1 EP 05022363 A EP05022363 A EP 05022363A EP 05022363 A EP05022363 A EP 05022363A EP 1683924 A1 EP1683924 A1 EP 1683924A1
Authority
EP
European Patent Office
Prior art keywords
sealing
channel
sealing device
tape
swelling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP05022363A
Other languages
German (de)
French (fr)
Other versions
EP1683924B1 (en
Inventor
René P. Schmid
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Agrar Chemie AG
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Agrar Chemie AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Agrar Chemie AG filed Critical Agrar Chemie AG
Priority to PL05022363T priority Critical patent/PL1683924T3/en
Publication of EP1683924A1 publication Critical patent/EP1683924A1/en
Application granted granted Critical
Publication of EP1683924B1 publication Critical patent/EP1683924B1/en
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Anticipated expiration legal-status Critical

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Classifications

    • 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
    • E04B1/6812—Compressable seals of solid form
    • 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
    • E04B1/6813—Compressable seals of hollow form
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/06—Arrangement, construction or bridging of expansion joints
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/16—Sealings or joints
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/16—Arrangement or construction of joints in foundation structures
    • 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
    • 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
    • E04B1/6816—Porous tubular seals for injecting sealing material
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00—Miscellaneous
    • E02D2600/20—Miscellaneous comprising details of connection between elements
    • 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
    • E04B2001/6818—Joints with swellable parts

Definitions

  • the invention relates to a sealing device for sealing joints between structures, in particular between concrete joints with an injection channel according to the preamble of claim 1.
  • the disadvantage is that the swelling tape can swell the slot and the pores of the foam tape when swelling, so that an outlet of injection material from the injection channel is at least severely hampered and the injection channel is thus dysfunctional.
  • the preparation of the sealing device is very complex because the items of the sealing device are difficult to assemble the current meter and in particular the assembled sealing device still slightly apart, as long as the sealing device is not covered by the plastic net.
  • Fig. 3 discloses an injection tube comprising a hose-like body made of plastic with a channel introduced into this body as well as with. Outlets that lead from the outer surface of the body in the channel.
  • a swelling tape connects, which extends over the entire length of the injection tube.
  • the embedded channel and the associated outlet channels to the outlet openings are filled with a liquid or solid inert material, which can be displaced from the channel by rinsing or by pressing a sealing material.
  • the body and the swelling tape are each covered with a fleece or tissue. This casing is designed so that when pouring the concrete wall penetration of concrete into the channel and into the outlet channels does not occur.
  • the material of the sheath must be permeable to the injection medium. For this reason, water and moisture, for example cement milk, can also penetrate from the outside through the casing and through the outlet channels into the channel, thereby clogging the channels, so that the injection channel is no longer functional.
  • a particular disadvantage is that the outlet channels are far away from the joint side; Thus, the swelling source tape obstruct the distribution channels of the sealing material from the outlet channels to the joint, so that injection material from the outlet channels does not reach the defects of the joint to be supplied.
  • the preparation of the injection tube is very expensive, because the hose body and the swelling tape in each case in a tight Hose of the sheath must be introduced cumbersome.
  • EP 0 418 699 A1 discloses a sealing device of a cross-sectionally U-shaped profile, which is mounted on a hardened concrete surface and has a top wall and two side walls. The free longitudinal edges of the side walls of the profile sit on the concrete surface, so that outlet openings for sealing material between the concrete surface and the longitudinal edges are formed.
  • a free passage for sealing material is provided with a arranged approximately in the middle of the height of the side walls bottom wall having a longitudinal slot for the escape of sealing material.
  • a U-shaped receiving space is provided, in which an open-pore plastic foam strips stored.
  • the sealing medium is first introduced into the through channel and passes through the slot in the bottom wall in the plastic foam in the flow channel and from there under the longitudinal edges through in the receptive for the sealing medium and sealed area in the joint between the first and the second concreting.
  • This sealing device has proven excellent.
  • EP 0 804 656, Fig. 3 discloses a sealing device for sealing concrete joints, in the form of a joint slat with an injection channel, which is formed approximately as the channel according to EP 0 418 699 A1 and an exit slot, which has a closed cell foam strip, which is impermeable to injection material. If injecting material is injected into the injection channel under pressure, the injection material lifts the foam strip like a valve and can pass outwards into the joint area. When the pressure decreases, the foam strip closes the opening again in the manner of a valve. This sealing device works well.
  • the invention has for its object to provide a sealing device that meets the need for a particularly safe and reliable joint seal that is easy to assemble and handle and easy to manufacture and in which in particular reliably prevents the material from entering the passageway ,
  • the invention achieves the object with a sealing device according to the independent claim 1.
  • Advantageous embodiments of the invention are characterized in the dependent claims.
  • the sealing device for sealing joints between concrete joints on an injection channel body with an injection channel for introducing injection material, wherein the injection channel has at least one outlet opening, such as an exit slot for the injection material, and a hose-like barrier valve tape made of an elastic material, the penetration prevented by the material via the outlet opening in the injection channel from the joint side, wherein the check valve strip is formed as a hollow profile strip.
  • the check valve strip is structured in cross-section and, in response to pressure from the injection material from the exit slot of the injection channel in a predetermined manner such that a blocking effect of the check valve tape is released and the injection material can escape laterally past the check valve band from the channel body.
  • the sealing device functions particularly reliably because the blocking valve strip ensures that the injection channel and in particular the outlet opening of contaminants, in particular swelling source material, which could cause a blockage, remains free.
  • the check valve band is designed as a hollow profile band, a lifting of the blocking effect can be achieved even at relatively low pressure from the injection channel.
  • the hollow profile strip ie the tubular blocking valve strip, is compressible, because the walls of the hollow profile strip can be displaced inwards into the cavity, because they are correspondingly yielding.
  • the injection channel communicates with the valve seat channel via the outlet opening, e.g. the exit slot, in conjunction.
  • the hollow profile strip is particularly easy and quick to use in the valve seat channel and stores there with a press fit, so that it can not fall out of the valve seat channel when handling the sealing device.
  • the blocking valve band expediently protrudes out of the valve seat channel and is slightly compressed during assembly on the concrete surface, resulting in a defined valve seat.
  • the hollow profile strip has, for example, narrow walls and / or longitudinal edges, which are supported on associated walls of the valve seat channel and ensure the press fit of the hollow profile strip in the valve seat channel.
  • the hollow profile strip has, for example, at least two angled longitudinal walls, which are arranged between a bottom wall and a top wall, and which each have a bending region which forms a predetermined bending point during compression.
  • two opposing buckling walls of the hollow profiled strip form side walls which are supported in the articulated region on the associated walls of the valve seat channel.
  • the predetermined bending points ensure a controlled bending movement of the walls, in particular in such a way that, upon further buckling, a defined valve opening is created between the hollow profile strip and the walls of the valve seat channel.
  • longitudinally extending sealing lips are integrally formed on the side walls of the hollow profiled strip between the bending region and the top wall of the hollow profiled strip, which sealingly cooperate with the associated side walls of the valve seat channel and which form further concrete sealing edges or narrow sealing surfaces in the longitudinal direction.
  • the sealing lips are pressed after assembly of the hollow profile strip in the valve seat channel against the side walls of the valve seat channel (press fit).
  • the sealing lips provide a kind of labyrinth seal for a particularly high sealing effect of the hollow profile strip against ingress of material from the outside into the passageway.
  • the hollow profile strip is profiled in such a way that it can be compressed by the sealing material, which is introduced into the injection passage channel and exits from the injection channel, for example, via the outlet opening, so that the press fitting sites for the sealing material become permeable.
  • the hollow profile strip further has inside at least two mutually opposite mecanical tivasis, which expediently also each have a kink.
  • the inner support walls are formed weaker than the side walls.
  • the top wall of the valve hollow profile is formed according to a particular embodiment of the invention in cross-section groove-shaped concave and forms at least in the region of the outlet opening a groove. Under a compressive load of the sealing material, the top wall lowers particularly far down and pulls the edge regions to the center, so that the valve seat edges and sealing lips between the valve hollow profile and the side walls of the valve seat channel for sealing material are permeable.
  • the invention further relates to a sealing device for sealing joints between concrete joints, in particular using a sealing device described above, with an injection channel body with an injection channel for introducing sealing material, wherein the injection channel has at least one outlet opening for the sealing material, a cover, the penetration prevented by material through the outlet opening in the injection channel, and a swelling tape, wherein the masking tape is integrally formed with the swelling tape.
  • the cover tape is preferably a check valve tape.
  • the one-part design of the check valve tape with the swelling tape is particularly advantageous because the assembly of the sealing device according to the invention is essentially limited to an assembly of two parts.
  • the swelling tape is arranged substantially on the joint side of the check valve tape so that it does not interfere with the function of the channel device.
  • the comparatively soft swelling tape possibly compensates for slight unevenness in the surface of the concrete joint and swells into spaces that are empty of material, resulting in a temporary seal.
  • the swelling tape is arranged outside the channel body on the cover or check valve tape.
  • the swelling tape is fixedly arranged on the bottom wall of the hollow profile strip, for example glued.
  • the swelling tape can be connected to the masking or blocking valve tape at a first production site, wherein the joining with the channel device can take place at a second production site or on the construction site.
  • the swelling strip is expediently a flat, flexible, relatively soft band and preferably projects laterally beyond the channel device, so that edge webs result.
  • the edge webs are preferably angled slightly in the direction of the intended joint support area, resulting in a kind of curvature in the transverse direction.
  • the sealing device 1 consists essentially of a relatively rigid channel body 2 made of plastic, a seated in the channel body 2, hose-like a check valve forming hollow profile strip 3 and a swelling tape. 4
  • the channel body 2 consists for example of polyethylene, in particular of high density polyethylene (HDPE).
  • the profile band 3 consists for example of rubber or polyethylene, especially HDPE, or polyvinyl chloride (PVC) or polyurethane.
  • the swelling tape 4 consists for example of swelling rubber or of source plastic, in particular swellable polyurethane.
  • the channel body 2 has a U-shaped cross-section, the U-shape being open in the direction of a joint area to be sealed.
  • the channel body 2 has a top wall 5 and two side walls 6, 7, wherein the side walls 6, 7 are of equal length and their free ends form longitudinal edges 8.
  • valve seat channel 13 which is open in the direction of the joint area.
  • the cross-sectional shape of the channel body 2 may also be arcuate or trapezoidal or polygonal or the like may be formed, but free longitudinal edges 8 should be present. Furthermore, a plurality of injection channels 12 may be provided. Instead of the longitudinal slot 11 may also be provided a perforation or the like outlet openings.
  • valve hollow profile strip 3 which consists of a resilient, soft set, preferably vulcanized, rubber-elastic material.
  • the tubular valve hollow profile strip 3 has three through channels 3a, 3b, 3c, a bottom wall 14, a top wall 15, two side walls 16, 17 and inside each one to a side wall 16 or 17 at a distance adjacent support wall 18, 19.
  • the walls 16, 18 and 17, 19 are - viewed in cross section - angled in an arrow shape in each case outwardly, so that in each case a Knickeck Society 20 is formed becomes. Purpose and purpose of Knickeck Stude 20 will be explained below.
  • the Knickeck Societye 20 of the side walls 16, 17 of the valve hollow profile strip 3 are also on the inside of the side walls 6, 7 of the channel body 2 and are based there in the region of the longitudinal edges 8 from.
  • the top wall 15 of the valve hollow profile strip 3 is concave in cross-section and channel-shaped in the longitudinal direction.
  • Transition regions 25 between each of the top wall 15 and the side walls 16 and 17 abut against the expwandungsstege 9, 10th
  • the valve band 3 is formed integrally with a swelling tape 4.
  • the swelling tape 4 is arranged on the joint-side outer surface 22 of the bottom wall 14, the swelling tape 4 is arranged.
  • the swelling tape 4 is fixedly connected to the outer surface 22 of the bottom wall 14.
  • the connection of the valve band 3 with the swelling tape 4 is made by coextrusion or by vulcanization.
  • the swelling tape 4 is formed as a flat band and wider than the bottom wall 14, resulting in laterally projecting edge webs 24, which are slightly angled in the direction of a support surface 26.
  • the protruding edge webs 24 of the swelling tape 4 may be formed narrower or wider as needed in comparison with the embodiment shown in the figures, for example, depending on the application to provide a sufficient amount of source material.
  • the width of the edge webs 24 may vary in the longitudinal direction, for example to allow a particularly simple laying on a corner region of a concrete foundation 27.
  • the swelling tape 4 may have knobs or such structuring means on the joint side, so that it is particularly slip-resistant when laid on a concrete surface 26.
  • the thickness of the swelling tape 4, in particular in the central portion 23, corresponds approximately to the thickness of the bottom wall 14, wherein expediently the walls 5, 6, 7, 9, 10, 14, 15, 16, 17 are formed approximately the same thickness.
  • the joint is formed by a horizontal concrete foundation 27 and a vertical concrete wall (not shown).
  • the sealing device 1 laid on the surface 26 of the concrete foundation 27, wherein the edge webs 24 of the swelling tape 4 rest on the concrete foundation 27.
  • the sealing device 1 is fixed on the concrete foundation 27, for example, nailed or clamped in a conventional manner.
  • the swelling tape 4 nestles substantially over the entire surface of the surface 26 of the concrete foundation 27 and the valve hollow profile strip 4 is compressed, the longitudinal edges 8 of the channel body 2 preferably sit sealingly on the edge webs 24 of the swelling tape 4.
  • the sealing lips 21 and the kinks 20 of the side walls 16, 17 are pressed firmly and sealingly against the side walls 6, 7, resulting in the final valve seat and due to the interference fit no liquid can penetrate into the injection channel 12.
  • the transition regions 25 are pressed sealingly against the insectsdungsstege 9, 10 (Fig. 2).
  • the sealing device 1 in the joint will be described below.
  • a per se known liquid sealing material is introduced in a conventional manner under pressure.
  • the sealing material penetrates through the longitudinal slot 11 in the valve seat channel 13, wherein it presses on the concave top wall 15.
  • the top wall 15 gives way to the pressure and is moved in the direction of the joint and the kinking areas 20 buckle.
  • the top wall 15 takes the sealing lips 21 and the portion of the side walls 16, 17 up to Knickeck Scheme 20 inwardly moving with, so that the sealing effect is repealed and sealing material between the side walls 6, 7 and the profile strip 3 and between the lower edges 8 and the swelling tape 23 can be pushed through and can penetrate into gaps of the joint.
  • the water Upon entry of water and / or moisture into the joint, the water hits the swelling tape 4.
  • the swelling material of the swelling tape 4 swells up and blocks the water from further access.
  • the water and / or the source material are prevented from penetrating into the valve seat channel 13 or even into the injection channel 12, in particular because the longitudinal edges 8 of the side walls 6, 7 firmly seated on the bottom wall 14 of the valve hollow profile strip 3 and / or on the swelling tape 4.
  • the side walls 16, 17 press in Knickeck Scheme 20 and the sealing lips 21 sealingly against the side walls 6, 7 of the channel body 2.

Abstract

Sealing arrangement comprises an injection channel body (2) having an injection channel (12) for inserting sealing material and a covering strip (3) formed as one piece with a swelling strip (4). Preferred Features: The swelling strip is arranged on the covering strip on the joint side. The swelling strip is adhered to the covering strip. The swelling strip has edge fins (24) which protrude over the covering strip and are angled in the direction of the joint bearing region (26).

Description

Die Erfindung betrifft eine Dichtungsvorrichtung zum Abdichten von Fugen zwischen Baukörpern, insbesondere zwischen Betonstößen mit einem Injektionskanal gemäß dem Oberbegriff von Anspruch 1.The invention relates to a sealing device for sealing joints between structures, in particular between concrete joints with an injection channel according to the preamble of claim 1.

Es ist eine Dichtungsvorrichtung mit einem Injektionsschlauchkörper aus Kunststoff bekannt (Prospektblatt "Dichte Bauwerke": Die dichte Arbeitsfuge mit dem COMBIject Quellband-Injektionsschlauch-System), an dem seitlich ein Abdecksteg angeordnet ist, so dass unter dem Steg ein im Querschnitt winkelförmiger nach unten und seitlich offener Aufnahmeraum ausgebildet ist. Der Schlauchkörper wird von einem Injektionskanal durchsetzt, der nach unten schlitzartig offen ist, wobei der Schlitz fugenseitig mit einem eingepassten offenporigem Schaumstoffband abgedeckt ist. Im Aufnahmeraum ist ein Quellband angeordnet. Damit beispielsweise bei der Montage das Schaumstoffband und das Quellband nicht aus der Dichtungsvorrichtung fallen, ist die Dichtungsvorrichtung mit einem Kunststoffnetz ummantelt. Nachteilig ist, dass das Quellband beim Quellen den Schlitz und die Poren des Schaumstoffbandes zudrücken kann, so dass ein Austritt von Injektionsmaterial aus dem Injektionskanal zumindest stark behindert wird und der Injektionskanal somit funktionsuntüchtig ist. Die Herstellung der Dichtungsvorrichtung ist sehr aufwändig, weil die Einzelteile der Abdichtvorrichtung schwierig am laufenden Meter zusammenzusetzen sind und insbesondere die montierte Dichtungsvorrichtung noch leicht auseinander fällt, solange die Dichtungsvorrichtung nicht vom Kunststoffnetz ummantelt ist.It is a sealing device with a plastic injection hose body known (leaflet "Dense Structures": The dense construction joint with the COMBIject source tape injection hose system), on the side of a Abdecksteg is arranged so that under the bridge in an angular cross-section downwards and laterally open receiving space is formed. The tube body is penetrated by an injection channel, which is open like a slit down, the slot is covered on the tube side with a fitted open-cell foam tape. In the recording room, a source tape is arranged. Thus, for example, during assembly, the foam tape and the swelling tape does not fall out of the sealing device, the sealing device is coated with a plastic net. The disadvantage is that the swelling tape can swell the slot and the pores of the foam tape when swelling, so that an outlet of injection material from the injection channel is at least severely hampered and the injection channel is thus dysfunctional. The preparation of the sealing device is very complex because the items of the sealing device are difficult to assemble the current meter and in particular the assembled sealing device still slightly apart, as long as the sealing device is not covered by the plastic net.

DE 41 40 616 A1, Fig. 3, offenbart einen Injektionsschlauch, der einen schlauchartigen Körper aus Kunststoff mit einem in diesen Körper eingebrachten Kanal sowie mit.Austrittsöffnungen aufweist, die von der Außenfläche des Körpers in den Kanal führen. Im Bereich einer flachen fugenseitigen Umfangsseite des Körpers schließt sich ein Quellband an, das sich über die gesamte Länge des Injektionsschlauches erstreckt. Der eingebettete Kanal sowie die zugehörigen Austrittskanäle zu den Austrittsöffnungen sind mit einem flüssigen oder festen inerten Material gefüllt, welches durch Spülen oder durch Einpressen eines Dichtmaterials aus dem Kanal verdrängt werden kann. Der Körper und das Quellband sind jeweils mit einem Vlies oder Gewebe ummantelt. Diese Ummantelung ist so ausgebildet, dass beim Gießen der Betonwand ein Eindringen von Beton in den Kanal und in die Austrittskanäle nicht erfolgt. Allerdings muss das Material der Ummantelung für das Injektionsmedium durchlässig sein. Deshalb können auch von außen Wasser und Feuchtigkeit, beispielsweise Zementmilch, durch die Ummantelung und durch die Austrittskanäle in den Kanal vordringen und dabei die Kanäle verstopfen, so dass der Injektionskanal nicht mehr funktionstüchtig ist. Nachteilig ist insbesondere, dass die Austrittskanäle weit von der Fugenseite entfernt sind; somit kann das aufquellende Quellband die Verteilungswege des Dichtmaterials von den Austrittskanälen zur Fuge versperren, so dass Injektionsmaterial aus den Austrittskanälen die Fehlstellen der zu versorgenden Fuge nicht erreicht. Die Herstellung des Injektionsschlauches ist sehr aufwändig, weil der Schlauchkörper und das Quellband jeweils in einen engen Schlauch der Ummantelung umständlich eingebracht werden müssen.DE 41 40 616 A1, Fig. 3, discloses an injection tube comprising a hose-like body made of plastic with a channel introduced into this body as well as with. Outlets that lead from the outer surface of the body in the channel. In the region of a flat joint-side peripheral side of the body, a swelling tape connects, which extends over the entire length of the injection tube. The embedded channel and the associated outlet channels to the outlet openings are filled with a liquid or solid inert material, which can be displaced from the channel by rinsing or by pressing a sealing material. The body and the swelling tape are each covered with a fleece or tissue. This casing is designed so that when pouring the concrete wall penetration of concrete into the channel and into the outlet channels does not occur. However, the material of the sheath must be permeable to the injection medium. For this reason, water and moisture, for example cement milk, can also penetrate from the outside through the casing and through the outlet channels into the channel, thereby clogging the channels, so that the injection channel is no longer functional. A particular disadvantage is that the outlet channels are far away from the joint side; Thus, the swelling source tape obstruct the distribution channels of the sealing material from the outlet channels to the joint, so that injection material from the outlet channels does not reach the defects of the joint to be supplied. The preparation of the injection tube is very expensive, because the hose body and the swelling tape in each case in a tight Hose of the sheath must be introduced cumbersome.

EP 0 418 699 A1, Fig. 5, offenbart eine Dichtungsvorrichtung aus einem im Querschnitt U-förmigen Profil, welches auf eine erhärtete Betonoberfläche montiert wird und eine Deckenwandung und zwei Seitenwandungen aufweist. Die freien Längskanten der Seitenwandungen des Profils sitzen auf der Betonoberfläche auf, so dass Austrittsöffnungen für Dichtmaterial zwischen der Betonoberfläche und den Längskanten gebildet werden. In Längsrichtung des Profils unterhalb der Deckenwandung ist ein freier Durchgangskanal für Dichtmaterial mit einer etwa in der Mitte der Höhe der Seitenwandungen angeordneten Bodenwandung vorgesehen, die einen Längsschlitz für den Austritt von Dichtmaterial aufweist. Unterhalb der Bodenwandung ist ein U-förmiger Aufnahmeraum vorgesehen, in dem ein offenporiger Kunststoffschaumstreifen lagert. Das Dichtungsmedium wird zunächst in den Durchgangskanal eingebracht und gelangt durch den Schlitz in der Bodenwandung in den Kunststoffschaum im Durchflusskanal und von dort unter den Längskanten hindurch in den für das Dichtungsmedium aufnahmefähigen und abzudichtenden Bereich in der Fuge zwischen dem ersten und dem zweiten Betonierabschnitt. Diese Dichtungsvorrichtung hat sich hervorragend bewährt.EP 0 418 699 A1, Fig. 5, discloses a sealing device of a cross-sectionally U-shaped profile, which is mounted on a hardened concrete surface and has a top wall and two side walls. The free longitudinal edges of the side walls of the profile sit on the concrete surface, so that outlet openings for sealing material between the concrete surface and the longitudinal edges are formed. In the longitudinal direction of the profile below the top wall, a free passage for sealing material is provided with a arranged approximately in the middle of the height of the side walls bottom wall having a longitudinal slot for the escape of sealing material. Below the bottom wall, a U-shaped receiving space is provided, in which an open-pore plastic foam strips stored. The sealing medium is first introduced into the through channel and passes through the slot in the bottom wall in the plastic foam in the flow channel and from there under the longitudinal edges through in the receptive for the sealing medium and sealed area in the joint between the first and the second concreting. This sealing device has proven excellent.

EP 0 804 656, Fig. 3, offenbart eine Dichtvorrichtung zum Abdichten von Betonfugen, in Form einer Fugenlatte mit einem Injektionskanal, der in etwa so ausgebildet ist, wie der Kanal nach der EP 0 418 699 A1 und einen Austrittsschlitz aufweist, der von einem geschlossenzelligen Schaumstoffstreifen abgedeckt ist, der für Injektionsmaterial undurchlässig ist. Wird in den Injektionskanal unter Druck Injektionsmaterial injiziert, hebt das Injektionsmaterial den Schaumstoffstreifen ventilartig ab und kann nach außen in den Fugenbereich treten. Bei nachlassendem Druck verschließt der Schaumstoffstreifen die Öffnung wieder in der Art eines Ventils. Diese Dichtungsvorrichtung funktioniert gut.EP 0 804 656, Fig. 3, discloses a sealing device for sealing concrete joints, in the form of a joint slat with an injection channel, which is formed approximately as the channel according to EP 0 418 699 A1 and an exit slot, which has a closed cell foam strip, which is impermeable to injection material. If injecting material is injected into the injection channel under pressure, the injection material lifts the foam strip like a valve and can pass outwards into the joint area. When the pressure decreases, the foam strip closes the opening again in the manner of a valve. This sealing device works well.

Der Erfindung liegt die Aufgabe zugrunde, eine Dichtungsvorrichtung zu schaffen, die dem Bedürfnis nach einer besonders sicheren und zuverlässigen Fugenabdichtung gerecht wird die einfach montier- und handhabbar sowie einfach herstellbar ist und bei der insbesondere zuverlässig verhindert ist, dass von außen Material in den Durchgangskanal gelangt.The invention has for its object to provide a sealing device that meets the need for a particularly safe and reliable joint seal that is easy to assemble and handle and easy to manufacture and in which in particular reliably prevents the material from entering the passageway ,

Die Erfindung löst die Aufgabe mit einer Dichtungsvorrichtung gemäß dem unabhängigen Anspruch 1. Vorteilhafte Ausführungsformen der Erfindung sind in den abhängigen Ansprüchen gekennzeichnet.The invention achieves the object with a sealing device according to the independent claim 1. Advantageous embodiments of the invention are characterized in the dependent claims.

Erfindungsgemäß weist die Dichtungsvorrichtung zum Abdichten von Fugen zwischen Betonstößen einen Injektionskanalkörper mit einem Injektionskanal zum Einbringen von Injektionsmaterial auf, wobei der Injektionskanal fugenseitig mindestens eine Austrittsöffnung, z.B. einen Austrittsschlitz, für das Injektionsmaterial aufweist, und ein schlauchartiges Sperrventilband aus einem elastischen Material, das ein Eindringen von Material über die Austrittsöffnung in den Injektionskanal von der Fugenseite her verhindert, wobei das Sperrventilband als ein Hohlprofilband ausgebildet ist. Das Sperrventilband ist im Querschnitt strukturiert ausgebildet und gibt auf Druck seitens des Injektionsmaterials vom Austrittsschlitz des Injektionskanals in vorgegebener Weise derart nach, dass eine Sperrwirkung des Sperrventilbands aufgehoben wird und das Injektionsmaterial aus dem Kanalkörper seitlich an dem Sperrventilband vorbei austreten kann. Die erfindungsgemäße Dichtungsvorrichtung funktioniert besonders zuverlässig, weil das Sperrventilband gewährleistet, dass der Injektionskanal und insbesondere die Austrittsöffnung von Verunreinigungen, insbesondere aufquellendem Quellmaterial, die eine Verstopfung verursachen könnten, frei bleibt. Weil das Sperrventilband als Hohlprofilband ausgebildet ist, ist eine Aufhebung der Sperrwirkung schon bei relativ niedrigem Druck seitens des Injektionskanals erreichbar. Das Hohlprofilband, d.h. das schlauchartige Sperrventilband, ist zusammendrückbar, denn die Wandungen des Hohlprofilbandes lassen sich in den Hohlraum nach innen verdrängen, weil sie entsprechend nachgiebig sind.According to the invention, the sealing device for sealing joints between concrete joints on an injection channel body with an injection channel for introducing injection material, wherein the injection channel has at least one outlet opening, such as an exit slot for the injection material, and a hose-like barrier valve tape made of an elastic material, the penetration prevented by the material via the outlet opening in the injection channel from the joint side, wherein the check valve strip is formed as a hollow profile strip. The check valve strip is structured in cross-section and, in response to pressure from the injection material from the exit slot of the injection channel in a predetermined manner such that a blocking effect of the check valve tape is released and the injection material can escape laterally past the check valve band from the channel body. The sealing device according to the invention functions particularly reliably because the blocking valve strip ensures that the injection channel and in particular the outlet opening of contaminants, in particular swelling source material, which could cause a blockage, remains free. Because the check valve band is designed as a hollow profile band, a lifting of the blocking effect can be achieved even at relatively low pressure from the injection channel. The hollow profile strip, ie the tubular blocking valve strip, is compressible, because the walls of the hollow profile strip can be displaced inwards into the cavity, because they are correspondingly yielding.

Bei einer besonderen Ausführungsform der Erfindung weist der Kanalkörper einen Ventilsitzkanal zur Aufnahme des Sperrventilbandes, insbesondere des Hohlprofilbandes, auf. Dabei steht der Injektionskanal mit dem Ventilsitzkanal über die Austrittsöffnung, z.B. den Austrittsschlitz, in Verbindung. Das Hohlprofilband ist besonders einfach und schnell in den Ventilsitzkanal einsetzbar und lagert dort mit einem Presssitz, so dass es beim Umgang mit der Dichtungsvorrichtung nicht aus dem Ventilsitzkanal herausfallen kann. Das Sperrventilband ragt zweckmäßigerweise aus dem Ventilsitzkanal heraus und wird bei der Montage auf die Betonoberfläche etwas zusammengedrückt, woraus ein definierter Ventilsitz resultiert.In a particular embodiment of the invention, the channel body on a valve seat channel for receiving the check valve strip, in particular of the hollow profile strip, on. In this case, the injection channel communicates with the valve seat channel via the outlet opening, e.g. the exit slot, in conjunction. The hollow profile strip is particularly easy and quick to use in the valve seat channel and stores there with a press fit, so that it can not fall out of the valve seat channel when handling the sealing device. The blocking valve band expediently protrudes out of the valve seat channel and is slightly compressed during assembly on the concrete surface, resulting in a defined valve seat.

Das Hohlprofilband weist z.B. schmale Wandungen und/oder Längskanten auf, die sich an zugeordneten Wandungen des Ventilsitzkanals abstützen und den Presssitz des Hohlprofilbandes in dem Ventilsitzkanal gewährleisten.The hollow profile strip has, for example, narrow walls and / or longitudinal edges, which are supported on associated walls of the valve seat channel and ensure the press fit of the hollow profile strip in the valve seat channel.

Das Hohlprofilband weist beispielsweise wenigstens zwei gewinkelte Längswandungen auf, die zwischen einer Bodenwandung und einer Deckenwandung angeordnet sind, und die jeweils einen Knickbereich aufweisen, der beim Zusammendrücken eine Sollknickstelle bildet. Bevorzugt bilden zwei einander gegenüberstehende Knickwandungen des Hohlprofilbands Seitenwandungen, die sich im Knickbereich an den zugeordneten Wandungen des Ventilsitzkanals abstützen. Die Sollknickstellen gewährleisten eine kontrollierte Knickbewegung der Wandungen, insbesondere derart, dass beim weitergehenden Einknicken eine definierte Ventilöffnung zwischen dem Hohlprofilband und den Wandungen des Ventilsitzkanals entsteht.The hollow profile strip has, for example, at least two angled longitudinal walls, which are arranged between a bottom wall and a top wall, and which each have a bending region which forms a predetermined bending point during compression. Preferably, two opposing buckling walls of the hollow profiled strip form side walls which are supported in the articulated region on the associated walls of the valve seat channel. The predetermined bending points ensure a controlled bending movement of the walls, in particular in such a way that, upon further buckling, a defined valve opening is created between the hollow profile strip and the walls of the valve seat channel.

Bei einer weiteren Ausführungsform der Erfindung sind an die Seitenwandungen des Hohlprofilbands zwischen dem Knickbereich und der Deckenwandung des Hohlprofilbands sich in Längsrichtung erstreckende Dichtlippen angeformt, die mit den zugeordneten Seitenwandungen des Ventilsitzkanals dichtend zusammenwirken und die in Längsrichtung weitere konkrete Dichtkanten bzw. schmale Dichtflächen bilden. Die Dichtlippen sind nach Montage des Hohlprofilbandes in dem Ventilsitzkanal gegen die Seitenwandungen des Ventilsitzkanals gepresst (Presssitz). Die Dichtlippen sorgen Nach Art einer Labyrinthdichtung für eine besonders hohe Dichtwirkung des Hohlprofilbandes gegen Eindringen von Material von außen in den Durchgangskanal. Das Hohlprofilband ist derart profiliert, dass es vom Dichtmaterial, das in den Injektionsdurchgangskanal eingebracht wird und beispielsweise über die Austrittsöffnung aus dem Injektionskanal austritt, derart zusammendrückbar ist, dass die Presssitzstellen für das Dichtmaterial durchlässig werden.In a further embodiment of the invention, longitudinally extending sealing lips are integrally formed on the side walls of the hollow profiled strip between the bending region and the top wall of the hollow profiled strip, which sealingly cooperate with the associated side walls of the valve seat channel and which form further concrete sealing edges or narrow sealing surfaces in the longitudinal direction. The sealing lips are pressed after assembly of the hollow profile strip in the valve seat channel against the side walls of the valve seat channel (press fit). The sealing lips provide a kind of labyrinth seal for a particularly high sealing effect of the hollow profile strip against ingress of material from the outside into the passageway. The hollow profile strip is profiled in such a way that it can be compressed by the sealing material, which is introduced into the injection passage channel and exits from the injection channel, for example, via the outlet opening, so that the press fitting sites for the sealing material become permeable.

Bevorzugt verfügt das Hohlprofilband ferner im Inneren über wenigstens zwei einander gegenüberstehende Innenstützwandungen, die zweckmäßigerweise ebenfalls je eine Knickstelle aufweisen. Besonders bevorzugt sind die Innenstützwandungen schwächer als die Seitenwandungen ausgebildet.Preferably, the hollow profile strip further has inside at least two mutually opposite Innenstützwandungen, which expediently also each have a kink. Particularly preferably, the inner support walls are formed weaker than the side walls.

Die Deckenwandung des Ventilhohlprofils ist nach einer besonderen Ausführungsform der Erfindung im Querschnitt rinnenförmig konkav ausgebildet und bildet zumindest im Bereich der Austrittsöffnung eine Rinne. Unter einer Druckbelastung des Dichtmaterials senkt sich die Deckenwandung besonders weit nach unten und zieht dabei die Randbereiche zur Mitte, so dass die Ventilsitzkanten und Dichtlippen zwischen dem Ventilhohlprofil und den Seitenwandungen des Ventilsitzkanals für Dichtmaterial durchlässig werden.The top wall of the valve hollow profile is formed according to a particular embodiment of the invention in cross-section groove-shaped concave and forms at least in the region of the outlet opening a groove. Under a compressive load of the sealing material, the top wall lowers particularly far down and pulls the edge regions to the center, so that the valve seat edges and sealing lips between the valve hollow profile and the side walls of the valve seat channel for sealing material are permeable.

Gegenstand der Erfindung ist ferner eine Dichtungsvorrichtung zum Abdichten von Fugen zwischen Betonstößen, insbesondere unter Verwendung einer vorstehend beschriebenen Dichtungsvorrichtung, mit einem Injektionskanalkörper mit einem Injektionskanal zum Einbringen von Dichtmaterial, wobei der Injektionskanal mindestens eine Austrittsöffnung für das Dichtmaterial aufweist, einem Abdeckband, das ein Eindringen von Material durch die Austrittsöffnung in den Injektionskanal verhindert, und einem Quellband, wobei das Abdeckband mit dem Quellband einteilig ausgebildet ist. Dabei ist das Abdeckband vorzugsweise ein Sperrventilband.The invention further relates to a sealing device for sealing joints between concrete joints, in particular using a sealing device described above, with an injection channel body with an injection channel for introducing sealing material, wherein the injection channel has at least one outlet opening for the sealing material, a cover, the penetration prevented by material through the outlet opening in the injection channel, and a swelling tape, wherein the masking tape is integrally formed with the swelling tape. In this case, the cover tape is preferably a check valve tape.

Die einteilige Ausbildung des Sperrventilbands mit dem Quellband ist besonders vorteilhaft, weil die Montage der erfindungsgemäßen Dichtungsvorrichtung im Wesentlichen auf ein Zusammenfügen von zwei Teilen beschränkt ist.The one-part design of the check valve tape with the swelling tape is particularly advantageous because the assembly of the sealing device according to the invention is essentially limited to an assembly of two parts.

Das Quellband ist im Wesentlichen fugenseitig am Sperrventilband so angeordnet, dass es die Funktion der Kanaleinrichtung nicht stört. Das vergleichsweise weiche Quellband gleicht gegebenenfalls geringe Unebenheiten der Oberfläche der Betonfuge aus und quillt in materialleere Räume, woraus eine vorläufige Abdichtung resultiert.The swelling tape is arranged substantially on the joint side of the check valve tape so that it does not interfere with the function of the channel device. The comparatively soft swelling tape possibly compensates for slight unevenness in the surface of the concrete joint and swells into spaces that are empty of material, resulting in a temporary seal.

Zweckmäßigerweise ist das Quellband außerhalb des Kanalkörpers am Abdeck- bzw. Sperrventilband angeordnet.Conveniently, the swelling tape is arranged outside the channel body on the cover or check valve tape.

Nach einer bevorzugten Ausführungsform der Erfindung ist das Quellband an der Bodenwandung des Hohlprofilbands fest angeordnet, beispielsweise angeklebt.According to a preferred embodiment of the invention, the swelling tape is fixedly arranged on the bottom wall of the hollow profile strip, for example glued.

Das Quellband kann mit dem Abdeck- bzw. Sperrventilband an einer ersten Produktionsstätte verbunden werden, wobei das Zusammenfügen mit der Kanaleinrichtung an einer zweiten Produktionsstätte oder auf der Baustelle erfolgen kann.The swelling tape can be connected to the masking or blocking valve tape at a first production site, wherein the joining with the channel device can take place at a second production site or on the construction site.

Das Quellband ist zweckmäßigerweise ein flaches, flexibles, relativ weiches Band und steht vorzugsweise seitlich über die Kanaleinrichtung über, so dass sich Randstege ergeben. Die Randstege sind vorzugsweise etwas in Richtung des vorgesehenen Fugenauflagebereichs abgewinkelt, woraus eine Art Wölbung in Querrichtung resultiert. Beim Aufbringen der Dichtungsvorrichtung auf die Betonoberfläche eines Betonstoßes werden zunächst die Randstege auf die Oberfläche treffen. Wenn die Dichtungsvorrichtung dann gegen den Betonstoß gedrückt wird, indem beispielsweise die Dichtungsvorrichtung auf dem Betonstoß festgenagelt wird, trifft auch ein Mittelabschnitt des Quellbands auf die Oberfläche. Danach sitzen zweckmäßigerweise die freien Längskanten der Seitenwandungen des Kanalkörpers auf den Randstegen auf, woraus eine Abdichtung gegen ein Eindringen von Material oder Flüssigkeit wie Wasser oder Zementmilch in den Kanalkörper resultiert.The swelling strip is expediently a flat, flexible, relatively soft band and preferably projects laterally beyond the channel device, so that edge webs result. The edge webs are preferably angled slightly in the direction of the intended joint support area, resulting in a kind of curvature in the transverse direction. When applying the sealing device on the concrete surface of a concrete joint initially the edge webs will hit the surface. If the sealing device is then pressed against the concrete joint, for example by the sealing device being nailed to the concrete joint, a center section of the source strip also hits the surface. After that sit expediently the free Longitudinal edges of the side walls of the channel body on the edge webs, resulting in a seal against ingress of material or liquid such as water or cement slurry into the channel body.

Nachfolgend wird ein Ausführungsbeispiel der Erfindung anhand der Figuren näher erläutert. Es zeigen:

Fig. 1.
1 einen Querschnitt durch eine verkaufsfertige erfindungsgemäße Dichtungsvorrichtung; und
Fig. 2.
einen Querschnitt durch die Dichtungsvorrichtung der Fig. 1 in verlegtem Zustand.
An exemplary embodiment of the invention will be explained in more detail below with reference to the figures. Show it:
Fig. 1.
1 shows a cross section through a sell-ready sealing device according to the invention; and
Fig. 2.
a cross section through the sealing device of Fig. 1 in a laid state.

Die Dichtungsvorrichtung 1 besteht im Wesentlichen aus einem relativ steifen Kanalkörper 2 aus Kunststoff, einem im Kanalkörper 2 sitzenden, schlauchartigen ein Sperrventil bildenden Hohlprofilband 3 und einem Quellband 4.The sealing device 1 consists essentially of a relatively rigid channel body 2 made of plastic, a seated in the channel body 2, hose-like a check valve forming hollow profile strip 3 and a swelling tape. 4

Der Kanalkörper 2 besteht beispielsweise aus Polyethylen, insbesondere aus Polyethylen hoher Dichte (HDPE). Das Profilband 3 besteht beispielsweise aus Gummi oder aus Polyethylen, insbesondere HDPE, oder aus Polyvinylchlorid (PVC) oder aus Polyurethan. Das Quellband 4 besteht beispielsweise aus Quellgummi oder aus Quellkunststoff, insbesondere quellfähigem Polyurethan.The channel body 2 consists for example of polyethylene, in particular of high density polyethylene (HDPE). The profile band 3 consists for example of rubber or polyethylene, especially HDPE, or polyvinyl chloride (PVC) or polyurethane. The swelling tape 4 consists for example of swelling rubber or of source plastic, in particular swellable polyurethane.

Der Kanalkörper 2 hat einen U-förmigen Querschnitt, wobei die U-Form in Richtung eines abzudichtenden Fugenbereichs offen ist.The channel body 2 has a U-shaped cross-section, the U-shape being open in the direction of a joint area to be sealed.

Der Kanalkörper 2 weist eine Deckenwandung 5 und zwei Seitenwandungen 6, 7 auf, wobei die Seitenwandungen 6, 7 gleich lang sind und ihre freien Enden Längskanten 8 bilden.The channel body 2 has a top wall 5 and two side walls 6, 7, wherein the side walls 6, 7 are of equal length and their free ends form longitudinal edges 8.

Innenseitig sind auf den Wandungen 6, 7 von diesen Wandungen vorzugsweise rechtwinklig abstehende, sich in Längsrichtung erstreckende Zwischenwandungsstege 9, 10 angeformt, die zwischen sich einen Längsschlitz 11 freilassen.On the inside, on the walls 6, 7 of these walls preferably at right angles projecting, extending in the longitudinal direction Zwischenwandungsstege 9, 10 are formed, which leave a longitudinal slot 11 between them.

Oberhalb der Zwischenwandungsstege 9, 10 ist ein Injektionskanal 12 gebildet; unterhalb befindet sich ein in Richtung Fugenbereich offener Ventilsitzkanal 13.Above the intermediate wall webs 9, 10, an injection channel 12 is formed; below there is a valve seat channel 13 which is open in the direction of the joint area.

Die Querschnittsform des Kanalkörpers 2 kann auch bogenförmig oder trapezförmig oder mehreckig oder dergleichen ausgebildet sein, wobei aber freie Längskanten 8 vorhanden sein sollten. Des Weiteren können mehrere Injektionskanäle 12 vorgesehen sein. Anstelle des Längsschlitzes 11 kann auch eine Perforation oder dergleichen Austrittsöffnungen vorgesehen sein.The cross-sectional shape of the channel body 2 may also be arcuate or trapezoidal or polygonal or the like may be formed, but free longitudinal edges 8 should be present. Furthermore, a plurality of injection channels 12 may be provided. Instead of the longitudinal slot 11 may also be provided a perforation or the like outlet openings.

Im Ventilsitzkanal 13 lagert das Ventilhohlprofilband 3, das aus einem nachgiebigen, weich eingestellten, vorzugsweise vulkanisierten, gummielastischen Material besteht.In the valve seat channel 13, the valve hollow profile strip 3, which consists of a resilient, soft set, preferably vulcanized, rubber-elastic material.

Das schlauchförmige Ventilhohlprofilband 3 weist drei Durchgangskanäle 3a, 3b, 3c, eine Bodenwandung 14, eine Deckenwandung 15, zwei Seitenwandungen 16, 17 sowie im Innern jeweils eine zu einer Seitenwandung 16 oder 17 mit Abstand benachbarte Stützwandung 18, 19 auf. Die Wandungen 16, 18 bzw. 17, 19 sind - im Querschnitt betrachtet - pfeilförmig jeweils nach außen gewinkelt geformt, so dass jeweils ein Knickeckbereich 20 gebildet wird. Sinn und Zweck der Knickeckbereiche 20 wird weiter unten erläutert.The tubular valve hollow profile strip 3 has three through channels 3a, 3b, 3c, a bottom wall 14, a top wall 15, two side walls 16, 17 and inside each one to a side wall 16 or 17 at a distance adjacent support wall 18, 19. The walls 16, 18 and 17, 19 are - viewed in cross section - angled in an arrow shape in each case outwardly, so that in each case a Knickeckbereich 20 is formed becomes. Purpose and purpose of Knickeckbereiche 20 will be explained below.

Außenseitig und zwischen jeweils dem Knickeckbereich 20 der Seitenwandungen 16, 17 und der Deckenwandung 15 sind sich in Längsrichtung erstreckende Dichtlippen 21 angeformt, die an der Innenseite der Seitenwandungen 6, 7 im Ventilsitzkanal 13 dichtend anliegen.On the outside and between each Knickeckbereich 20 of the side walls 16, 17 and the top wall 15 extending in the longitudinal direction sealing lips 21 are formed, which bear sealingly on the inside of the side walls 6, 7 in the valve seat channel 13.

Die Knickeckbereiche 20 der Seitenwandungen 16, 17 des Ventilhohlprofilbandes 3 liegen ebenfalls an der Innenseite der Seitenwandungen 6, 7 des Kanalkörpers 2 an und stützen sich dort im Bereich der Längskanten 8 ab.The Knickeckbereiche 20 of the side walls 16, 17 of the valve hollow profile strip 3 are also on the inside of the side walls 6, 7 of the channel body 2 and are based there in the region of the longitudinal edges 8 from.

Im noch nicht verlegten Zustand der Abdichtvorrichtung (Fig. 1) ragen die Bodenwandung 14 sowie zumindest Bereiche der von der Bodenwandung 14 ausgehenden, bis zu den Knickbereichen 20 reichenden Abschnitte der Wandungen 16, 18, 19, 17 aus dem Ventilsitzkanal 13 heraus.In the not yet installed state of the sealing device (FIG. 1), the bottom wall 14 and at least portions of the sections of the walls 16, 18, 19, 17 extending from the bottom wall 14 and reaching the buckling areas 20 project out of the valve seat channel 13.

Zweckmäßigerweise ist die Deckenwandung 15 des Ventilhohlprofilbandes 3 im Querschnitt konkav und in Längsrichtung rinnenförmig ausgebildet. Die Bodenwandung 14 dagegen erstreckt sich im Wesentlichen ebenflächig.Conveniently, the top wall 15 of the valve hollow profile strip 3 is concave in cross-section and channel-shaped in the longitudinal direction. The bottom wall 14, however, extends substantially planar.

Übergangsbereiche 25 zwischen jeweils der Deckenwandung 15 und den Seitenwandungen 16 bzw. 17 stoßen gegen die Zwischenwandungsstege 9, 10.Transition regions 25 between each of the top wall 15 and the side walls 16 and 17 abut against the Zwischenwandungsstege 9, 10th

Nach einer Ausführungsform der Erfindung ist das Ventilband 3 mit einem Quellband 4 einteilig ausgebildet. Nach dem dargestellten Ausführungsbeispiel ist auf der fugenseitigen Außenfläche 22 der Bodenwandung 14 das Quellband 4 angeordnet. Vorzugsweise ist das Quellband 4 mit der Außenfläche 22 der Bodenwandung 14 fest verbunden. Beispielsweise ist die Verbindung des Ventilbands 3 mit dem Quellband 4 durch Koextrusion oder durch Vulkanisation hergestellt. Das Quellband 4 ist als Flachband ausgebildet und breiter als die Bodenwandung 14, woraus seitlich überstehende Randstege 24 resultieren, die in Richtung einer Auflagefläche 26 etwas abgewinkelt sind.According to one embodiment of the invention, the valve band 3 is formed integrally with a swelling tape 4. According to the illustrated embodiment is on the joint-side outer surface 22 of the bottom wall 14, the swelling tape 4 is arranged. Preferably, the swelling tape 4 is fixedly connected to the outer surface 22 of the bottom wall 14. For example, the connection of the valve band 3 with the swelling tape 4 is made by coextrusion or by vulcanization. The swelling tape 4 is formed as a flat band and wider than the bottom wall 14, resulting in laterally projecting edge webs 24, which are slightly angled in the direction of a support surface 26.

Die überstehenden Randstege 24 des Quellbandes 4 können je nach Bedarf schmaler oder breiter im Vergleich mit dem in den Figuren dargestellten Ausführungsbeispiel ausgebildet sein, um beispielsweise je nach Anwendung eine genügende Quellmaterialmenge bereitzustellen. Die Breite der Randstege 24 kann in Längsrichtung variieren, etwa um ein besonders einfaches Verlegen auf einem Eckbereich eines Betonfundaments 27 zu ermöglichen.The protruding edge webs 24 of the swelling tape 4 may be formed narrower or wider as needed in comparison with the embodiment shown in the figures, for example, depending on the application to provide a sufficient amount of source material. The width of the edge webs 24 may vary in the longitudinal direction, for example to allow a particularly simple laying on a corner region of a concrete foundation 27.

Das Quellband 4 kann fugenseitig Noppen oder derartige Strukturmittel aufweisen, so dass es beim Verlegen auf eine Betonoberfläche 26 besonders verrutschsicher ist.The swelling tape 4 may have knobs or such structuring means on the joint side, so that it is particularly slip-resistant when laid on a concrete surface 26.

Die Dicke des Quellbandes 4, insbesondere im Mittelabschnitt 23, entspricht etwa der Dicke der Bodenwandung 14, wobei zweckmäßigerweise die Wandungen 5, 6, 7, 9, 10, 14, 15, 16, 17 etwa gleich dick ausgebildet sind.The thickness of the swelling tape 4, in particular in the central portion 23, corresponds approximately to the thickness of the bottom wall 14, wherein expediently the walls 5, 6, 7, 9, 10, 14, 15, 16, 17 are formed approximately the same thickness.

Nachfolgend wird das Verlegen der Dichtungsvorrichtung 1 beschrieben. Beispielsweise wird die Fuge von einem horizontalen Betonfundament 27 und einer vertikalen Betonwand (nicht dargestellt) gebildet. Im Fugenbereich zwischen dem Betonfundament zu der darauf zu errichtenden Betonwand wird die Dichtungsvorrichtung 1 auf der Oberfläche 26 des Betonfundaments 27 verlegt, wobei die Randstege 24 des Quellbandes 4 auf dem Betonfundament 27 aufruhen. Die Dichtungsvorrichtung 1 wird auf dem Betonfundament 27 festgelegt, beispielsweise in an sich bekannter Weise festgenagelt oder verklammert. Dabei schmiegt sich das Quellband 4 im Wesentlichen vollflächig an die Oberfläche 26 des Betonfundaments 27 an und das Ventilhohlprofilband 4 wird zusammengedrückt, wobei die Längskanten 8 des Kanalkörpers 2 auf den Randstegen 24 des Quellbandes 4 vorzugsweise dichtend aufsitzen. Dabei werden die Dichtlippen 21 und die Knickstellen 20 der Seitenwandungen 16, 17 fest und dichtend gegen die Seitenwandungen 6, 7 gepresst, woraus der endgültige Ventilsitz resultiert und aufgrund des Presssitzes keine Flüssigkeit in den Injektionskanal 12 dringen kann. Ebenso werden die Übergangsbereiche 25 dichtend gegen die Zwischenwandungsstege 9, 10 gepresst (Fig. 2).Hereinafter, the laying of the sealing device 1 will be described. For example, the joint is formed by a horizontal concrete foundation 27 and a vertical concrete wall (not shown). In the joint area between the concrete foundation to the concrete wall to be built thereon, the sealing device 1 laid on the surface 26 of the concrete foundation 27, wherein the edge webs 24 of the swelling tape 4 rest on the concrete foundation 27. The sealing device 1 is fixed on the concrete foundation 27, for example, nailed or clamped in a conventional manner. Here, the swelling tape 4 nestles substantially over the entire surface of the surface 26 of the concrete foundation 27 and the valve hollow profile strip 4 is compressed, the longitudinal edges 8 of the channel body 2 preferably sit sealingly on the edge webs 24 of the swelling tape 4. The sealing lips 21 and the kinks 20 of the side walls 16, 17 are pressed firmly and sealingly against the side walls 6, 7, resulting in the final valve seat and due to the interference fit no liquid can penetrate into the injection channel 12. Likewise, the transition regions 25 are pressed sealingly against the Zwischenwandungsstege 9, 10 (Fig. 2).

Nachfolgend wird die Funktionsweise der Dichtungsvorrichtung 1 in der Fuge beschrieben. In den Injektionskanal 12 wird in an sich bekannter Weise unter Druck ein an sich bekanntes flüssiges Abdichtmaterial eingebracht. Das Dichtmaterial dringt durch den Längsschlitz 11 in den Ventilsitzkanal 13, wobei es auf die konkave Deckenwandung 15 drückt. Die Deckenwandung 15 gibt dem Druck nach und wird in Richtung Fuge bewegt und die Knickeckbereiche 20 knicken ein. Die Deckenwandung 15 nimmt die Dichtlippen 21 und den Abschnitt der Seitenwandungen 16, 17 bis einschließlich Knickeckbereich 20 sich einwärts bewegend mit, so dass die Dichtwirkung aufgehoben wird und Dichtmaterial zwischen den Seitenwandungen 6, 7 und dem Profilband 3 sowie zwischen den Unterkanten 8 und dem Quellband 23 hindurch durchgedrückt werden und in Fehlstellen der Fuge dringen kann.The operation of the sealing device 1 in the joint will be described below. In the injection channel 12, a per se known liquid sealing material is introduced in a conventional manner under pressure. The sealing material penetrates through the longitudinal slot 11 in the valve seat channel 13, wherein it presses on the concave top wall 15. The top wall 15 gives way to the pressure and is moved in the direction of the joint and the kinking areas 20 buckle. The top wall 15 takes the sealing lips 21 and the portion of the side walls 16, 17 up to Knickeckbereich 20 inwardly moving with, so that the sealing effect is repealed and sealing material between the side walls 6, 7 and the profile strip 3 and between the lower edges 8 and the swelling tape 23 can be pushed through and can penetrate into gaps of the joint.

Je höher der Druck des Dichtmaterials auf die Deckenwandung 15 ist, desto geringer ist der Druck der Randabschnitte 25 der Deckenwandung 15 des Ventilhohlprofilbandes 3 auf die Zwischenwandungsstege 9, 10 und desto geringer ist der Druck der Dichtlippen 21 und der Knickeckbereiche 20 auf die Seitenwandungen 6, 7, so dass das unter Druck stehende Dichtmaterial sich zwischen den Randabschnitten 25 der Deckenwandung 15 und die Zwischenwandungsstege 9, 10 drängt und sich über die Rücken der Dichtlippen 21 und an den Knickeckbereichen 20 der Seitenwandungen 16, 17 vorbei aus dem Ventilsitzkanal 13 über die Längskanten 8 der Seitenwandungen 6, 7 in Fehlstellen der Fuge zwängt.The higher the pressure of the sealing material on the top wall 15, the lower the pressure of the edge portions 25 of the top wall 15 of the valve hollow profile strip 3 on the Zwischenwandungsstege 9, 10 and the lower the pressure of the sealing lips 21 and the Knickeckbereiche 20 on the side walls 6, 7, so that the pressurized sealing material between the edge portions 25 of the top wall 15 and the Zwischenwandungsstege 9, 10 urges and over the backs of the sealing lips 21 and the Knickeckbereichen 20 of the side walls 16, 17 over from the valve seat channel 13 over the longitudinal edges 8 of the side walls 6, 7 in imperfections of the joint forces.

Bei Eintritt von Wasser und/oder Feuchtigkeit in die Fuge trifft das Wasser auf das Quellband 4. Das Quellmaterial des Quellbands 4 quillt auf und versperrt dem Wasser einen weiteren Zutritt. Das Wasser und/oder das Quellmaterial sind daran gehindert, in den Ventilsitzkanal 13 oder gar in den Injektionskanal 12 vorzudringen, insbesondere weil die Längskanten 8 der Seitenwandungen 6, 7 fest auf der Bodenwandung 14 des Ventilhohlprofilbandes 3 und/oder auf dem Quellband 4 aufsitzen. Selbst wenn jedoch das Wasser und/oder das Quellmaterial in den Ventilsitzkanal 13 vordringen, versperren die Seitenwandungen 16, 17 des Ventilhohlprofilbandes 3 im Zusammenwirken mit den Seitenwandungen 6, 7 des Kanalkörpers 2 den Weg zum Injektionskanal 12. Insbesondere drücken die Seitenwandungen 16, 17 im Knickeckbereich 20 sowie die Dichtlippen 21 dichtend gegen die Seitenwandungen 6, 7 des Kanalkörpers 2. Somit ist ein Eindringen von Wasser, Feuchtigkeit, Zementmilch oder sonstigen Verunreinigungen in den Injektionskanal 12 wirksam verhindert.Upon entry of water and / or moisture into the joint, the water hits the swelling tape 4. The swelling material of the swelling tape 4 swells up and blocks the water from further access. The water and / or the source material are prevented from penetrating into the valve seat channel 13 or even into the injection channel 12, in particular because the longitudinal edges 8 of the side walls 6, 7 firmly seated on the bottom wall 14 of the valve hollow profile strip 3 and / or on the swelling tape 4. However, even if the water and / or the source material penetrate into the valve seat channel 13, obstruct the side walls 16, 17 of the valve hollow profile strip 3 in cooperation with the side walls 6, 7 of the channel body 2 the way to the injection channel 12. In particular, the side walls 16, 17 press in Knickeckbereich 20 and the sealing lips 21 sealingly against the side walls 6, 7 of the channel body 2. Thus, penetration of water, moisture, cement or other contaminants in the injection channel 12 is effectively prevented.

Claims (6)

Dichtungsvorrichtung zum Abdichten von Fugen zwischen Baukörpern, insbesondere zwischen Betoristößen, mit - einem Injektionskanalkörper (2) mit einem Injektionskanal (12) zum Einbringen von Dichtmaterial, wobei der Injektionskanal (12) eine Austrittsöffnung (11) für das Dichtmaterial aufweist, - einem Abdeckband (3), das ein Eindringen von Material durch die Austrittsöffnung (11) in den Injektionskanal (12) verhindert, und - einem Quellband (4), dadurch gekennzeichnet, dass das Abdeckband (3) mit dem Quellband (4) einteilig ausgebildet ist.Sealing device for sealing joints between structures, in particular between Betoristößen, with - An injection channel body (2) having an injection channel (12) for introducing sealing material, wherein the injection channel (12) has an outlet opening (11) for the sealing material, - A cover strip (3), which prevents ingress of material through the outlet opening (11) in the injection channel (12), and a source tape (4), characterized in that the cover strip (3) with the swelling tape (4) is integrally formed. Dichtungsvorrichtung nach Anspruch 1,
dadurch gekennzeichnet, dass das Quellband (4) fugenseitig am Abdeckband (3) angeordnet ist.Sealing device according to claim 1,
characterized in that the swelling tape (4) is arranged on the joint side on the cover strip (3). Dichtungsvorrichtung nach Anspruch 2,
dadurch gekennzeichnet, dass das Quellband (4) an das Abdeckband (3) geklebt ist.Sealing device according to claim 2,
characterized in that the swelling tape (4) is glued to the masking tape (3). Dichtungsvorrichtung nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, dass das Quellband (4) Randstege (24) aufweist, die über das Abdeckband (3) seitlich hervorstehen und die vorzugsweise etwas in Richtung des vorgesehenen Fugenauflagebereichs (26) abgewinkelt sind.Sealing device according to one of claims 1 to 3,
characterized in that the swelling tape (4) has edge webs (24) which laterally over the cover strip (3) protrude and are preferably angled slightly in the direction of the intended joint support area (26). Dichtungsvorrichtung nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, dass die Randstege (24) des Quellbandes (4) gegen eine Vorspannung aus der abgewinkelten Stellung derart bewegbar sind, dass das Quellband (4) mit den Randstegen (24), insbesondere im eingebauten Zustand, eine insgesamt ebene Auflagefläche aufweist.Sealing device according to one of claims 1 to 4,
characterized in that the edge webs (24) of the swelling tape (4) against a bias from the angled position are movable such that the swelling tape (4) with the edge webs (24), in particular when installed, has a generally flat bearing surface. Dichtungsvorrichtung nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, dass die Längskanten (8) des Kanalkörpers (2) sich auf den Randstegen (24) abstützen, wenn die Dichtungsvorrichtung (1), insbesondere im eingebauten Zustand, an dem vorgesehenen Fugenauflagebereich (26) befestigt ist.Sealing device according to one of claims 1 to 5,
characterized in that the longitudinal edges (8) of the channel body (2) are supported on the edge webs (24) when the sealing device (1), in particular in the installed state, is attached to the intended joint support area (26).
EP05022363A 2003-08-07 2004-08-03 Sealing device for sealing of joints Active EP1683924B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05022363T PL1683924T3 (en) 2003-08-07 2004-08-03 Sealing device for sealing of joints

Applications Claiming Priority (2)

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DE10336641 2003-08-07
EP04018388A EP1505216B1 (en) 2003-08-07 2004-08-03 Sealing device for sealing of joints and strip having a hollow profile therefor

Related Parent Applications (1)

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EP1683924A1 true EP1683924A1 (en) 2006-07-26
EP1683924B1 EP1683924B1 (en) 2007-06-27

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US (1) US20050029751A1 (en)
EP (2) EP1683924B1 (en)
JP (1) JP2005054569A (en)
KR (1) KR100682151B1 (en)
CN (1) CN100357536C (en)
AR (1) AR045358A1 (en)
AT (1) ATE365838T1 (en)
AU (1) AU2004202892B2 (en)
BR (1) BRPI0403275A (en)
CA (1) CA2472875A1 (en)
DE (2) DE502004005549D1 (en)
DK (1) DK1683924T3 (en)
ES (1) ES2289637T3 (en)
HK (2) HK1073344A1 (en)
NO (1) NO20042607L (en)
PL (1) PL1683924T3 (en)
PT (1) PT1683924E (en)
RU (1) RU2347868C2 (en)
SG (1) SG115710A1 (en)
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US7487616B2 (en) * 2005-04-05 2009-02-10 Central Sales & Service, Inc. Rail car door sealing gasket
US9174656B2 (en) * 2005-09-23 2015-11-03 Gunderson Llc Insulative railway boxcar
CN100346039C (en) * 2005-11-15 2007-10-31 沈阳远大铝业工程有限公司 Flexible sealing structure for curtain wall of large position change and special bonding apparatus
US8733550B2 (en) * 2012-03-09 2014-05-27 Wki Holding Company, Inc. Nesting container lids with snap on wings
ITMI20120958A1 (en) * 2012-06-04 2013-12-05 Politec Polimeri Tecnici Sa ASSEMBLY OF ALVEOLAR PANELS FOR ROOFS AND WALLS
CN102926637A (en) * 2012-11-02 2013-02-13 张家港市润禾橡塑制品有限公司 Marine air bag type rubber sealing strip for hatch cover center gap
CN107531287B (en) * 2015-04-30 2022-02-18 泽菲罗斯有限公司 Means for sealing, baffling, or reinforcing
DE102016001025A1 (en) * 2016-02-01 2017-08-03 Mann + Hummel Gmbh Filter element of a liquid filter, liquid filter and filter housing
CN106639002B (en) * 2017-03-10 2022-10-18 丁杰 Plugging agent reaction assembly and post-cast strip water stopping device
US20190112868A1 (en) * 2017-10-13 2019-04-18 Central Sales & Services, Inc. Refrigerated Railcar Door Sealing Gasket
CN110905119B (en) * 2019-10-28 2021-10-08 中建科技集团有限公司 Keel composite wall structure with replaceable sealing rubber strip and sealing rubber strip replacing method
CN112283349A (en) * 2020-10-12 2021-01-29 南昌航空大学 Bidirectional W-shaped metal thin-wall sealing ring
CN112942593B (en) * 2021-01-28 2022-04-05 上海绿地建设(集团)有限公司 Special-shaped column node connection structure for assembly type building

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SG115710A1 (en) 2005-10-28
AU2004202892A1 (en) 2005-02-24
EP1505216B1 (en) 2007-11-21
ES2289637T3 (en) 2008-02-01
AU2004202892B2 (en) 2007-06-14
RU2004124071A (en) 2006-01-27
ATE365838T1 (en) 2007-07-15
CN100357536C (en) 2007-12-26
PT1683924E (en) 2007-09-27
DK1683924T3 (en) 2007-10-22
RU2347868C2 (en) 2009-02-27
EP1505216A1 (en) 2005-02-09
HK1073344A1 (en) 2005-09-30
HK1088053A1 (en) 2006-10-27
DE502004005549D1 (en) 2008-01-03
PL1683924T3 (en) 2007-12-31
KR100682151B1 (en) 2007-02-12
KR20050016169A (en) 2005-02-21
BRPI0403275A (en) 2005-04-12
TW200506152A (en) 2005-02-16
EP1683924B1 (en) 2007-06-27
US20050029751A1 (en) 2005-02-10
AR045358A1 (en) 2005-10-26
JP2005054569A (en) 2005-03-03
DE502004004214D1 (en) 2007-08-09
CA2472875A1 (en) 2005-02-07
CN1580433A (en) 2005-02-16
NO20042607L (en) 2005-02-08

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