EP3621502B1 - Joint filler cord - Google Patents

Joint filler cord Download PDF

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Publication number
EP3621502B1
EP3621502B1 EP18726747.1A EP18726747A EP3621502B1 EP 3621502 B1 EP3621502 B1 EP 3621502B1 EP 18726747 A EP18726747 A EP 18726747A EP 3621502 B1 EP3621502 B1 EP 3621502B1
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EP
European Patent Office
Prior art keywords
joint
cord
filler cord
joint filler
sealing material
Prior art date
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EP18726747.1A
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German (de)
French (fr)
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EP3621502A1 (en
Inventor
Thomas Hille
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.)
Hydrophon Kunststofftechnik GmbH
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Hydrophon Kunststofftechnik GmbH
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Publication of EP3621502A1 publication Critical patent/EP3621502A1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K3/00—Baths; Douches; Appurtenances therefor
    • A47K3/008—Sealing between wall and bathtub or shower tray
    • 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
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/02005—Construction of joints, e.g. dividing strips
    • E04F15/02027—Means for spacing the flooring from an adjoining wall
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F19/00—Other details of constructional parts for finishing work on buildings
    • E04F19/02—Borders; Finishing strips, e.g. beadings; Light coves
    • E04F19/04—Borders; Finishing strips, e.g. beadings; Light coves for use between floor or ceiling and wall, e.g. skirtings
    • E04F2019/0404—Borders; Finishing strips, e.g. beadings; Light coves for use between floor or ceiling and wall, e.g. skirtings characterised by the material
    • E04F2019/0422—Borders; Finishing strips, e.g. beadings; Light coves for use between floor or ceiling and wall, e.g. skirtings characterised by the material of organic plastics with or without reinforcements or filling materials
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F19/00—Other details of constructional parts for finishing work on buildings
    • E04F19/02—Borders; Finishing strips, e.g. beadings; Light coves
    • E04F19/04—Borders; Finishing strips, e.g. beadings; Light coves for use between floor or ceiling and wall, e.g. skirtings
    • E04F2019/0404—Borders; Finishing strips, e.g. beadings; Light coves for use between floor or ceiling and wall, e.g. skirtings characterised by the material
    • E04F2019/0431—Borders; Finishing strips, e.g. beadings; Light coves for use between floor or ceiling and wall, e.g. skirtings characterised by the material of two or more materials

Definitions

  • the invention relates to an elastic joint cord and a joint construction made with it and a method for processing a joint. It is known from the sanitary sector to arrange an elastic round cord made of foam plastic in the joint to seal the joint between two components, for example between a wall tile and the top edge of a shower or bathtub.
  • the round cord serves primarily as a spacer between the components.
  • the actual sealing of the joint usually takes place in a later step by applying a permanently elastic sealing material such as silicone in front of the round cord.
  • a permanently elastic sealing material such as silicone in front of the round cord.
  • the problem here is that the silicone joint ages and thus becomes leaky over time. It then has to be renewed, which is very laborious and time-consuming.
  • An elastic joint cord according to a first aspect of the invention is used for arrangement in a joint between two components, in particular in a joint with a wall panel or floor panel (tile).
  • the joint cord is tear-resistant.
  • the "tear-resistant" property of the joint cord according to the invention is determined relative to the (non-existent) tear strength of known joint cords or round cords which are used in the sanitary sector and typically consist of foam plastic.
  • the tear strength of the joint cord according to the invention is at least so great that it has a tensile force acting in the longitudinal direction of more than about 300 N, more than about 600 N, more than about 1000 N, more than about 5000 N, or even more than withstands approx. 10000 N in the long term without tearing.
  • the tear strength of the joint cord depends on the length of the piece subjected to the tensile force, the above information relates to a piece of approx. 10 cm long joint cord (i.e. if both ends of a 10 cm long piece of joint cord are pulled with opposing forces of the stated sizes the joint cord does not tear; however, an elastic or plastic change in length is permissible).
  • the tear strength also depends on the thickness (diameter) of the joint cord if the structure is otherwise the same, with the above information referring to the typical case of a joint cord with a round cross-section of approx. 15 mm 2 in area.
  • the elasticity of the joint cord should be large enough so that the cord can be processed easily, follows the course of the joint and, in particular, can be inserted into a narrower joint by being clamped by compression.
  • the joint cord typically has a large longitudinal dimension compared to much smaller transverse dimensions. In particular, it can extend almost endlessly in the longitudinal direction, with the cross section perpendicular thereto typically being constant everywhere. In particular, this cross section can be circular, but also oval, polygonal or shaped in some other way.
  • the joint cord can preferably be wound up compactly on a roll or prepared as a lengthwise cut.
  • the joint cord can optionally contain a foam material, for example a foam plastic known from conventional round cords. In this way, the desired elasticity (in particular in the form of compressibility) can be ensured.
  • a foam material for example a foam plastic known from conventional round cords.
  • the joint cord contains what gives it tear strength and which is therefore referred to in the following as "strength component".
  • the joint cord without the Typically, the strength component would not be tear-resistant (or no more tear-resistant than known round cords), while conversely the strength component alone is usually already tear-resistant. Despite its tear resistance, the strength component should have sufficient elasticity so that the joint rope as a whole has the elasticity required for its processing. However, the strength component does not necessarily have to have a high level of compressibility, as this property is usually taken over by other components of the joint cord.
  • the strength component is located entirely on the outside of the joint cord.
  • the strength component can extend in the longitudinal direction along the joint cord and cover an angular range of between about 30° and about 270°, preferably between about 150° and 220°, viewed from the central axis of the joint cord.
  • the strength component can also cover an angular range of approximately 180°, ie half of the outside.
  • the material structure of the strength component can be realized in various ways.
  • the strength component can be a wire or contain multiple wires or have a flexible steel sheath.
  • the strength component can be a fabric made of fibers, for example metal fibers or plastic fibers, the term "Tissue” is intended to broadly cover all regular or irregular arrangements of the fibers (ie also knitted fabrics, nonwovens, felts and the like).
  • the outer surface of the joint cord is at least partially designed for the adhesion of a (permanently elastic) sealing material, in particular for the adhesion of silicone.
  • a (permanently elastic) sealing material in particular for the adhesion of silicone.
  • This can be done, for example, by appropriate chemical preparation of the outer surface and/or by suitable, in particular rough, shaping.
  • a rough shape can be provided by the above web of fibers when placed on the outer surface of the joint cord.
  • the tear strength of the joint cord can be combined with good adhesion of the sealing material.
  • a sealing material such as silicone is arranged on (at least) one side of the joint line.
  • Such an arrangement is usually on the side of the joint or joint cord that is accessible/visible from the outside.
  • the sealing material preferably adheres to the joint cord, for example due to a material connection or a form-fitting intervention in a surface structure of the joint cord.
  • the invention relates to a method for processing a joint between a first component and a second component, which is characterized in that a joint cord according to one of the embodiments described above is arranged in the joint.
  • the arrangement is preferably such that the joint cord closes the joint, i.e. bridges the gap between the two components and connects the components.
  • a sealing material such as in particular silicone is applied to one side of the joint line, for example with the aid of a silicone syringe. This preferably creates an adhesive bond between the sealing material and the joint line.
  • the joint cord with the (chemically set) sealing material is removed from the joint by pulling on the joint cord.
  • This processing step can be used to prepare for replacing the joint seal if this becomes necessary, for example, due to aging of the sealing material.
  • the pulling out of the joint cord can optionally be prepared by loosening the connection of the sealing material with the adjoining components, for example with the help of a cutter knife.
  • figure 1 shows a schematic cross section through a joint not according to the invention, which is formed in front of a building wall W.
  • tiles F On the building wall W there are tiles F in the upper area, which are fixed with a tile adhesive and end at a distance of typically five to 10 mm above a built-in object such as a bathtub B.
  • the resulting joint between the built-in object B and the tile F must be sealed against the ingress of water to the building wall W.
  • a sealing tape (not shown) inserted between the built-in object and the tile, as is the case, for example, in EP 1 967 107 A2 is described.
  • the seal is made by a permanently elastic sealing material such as silicone S.
  • the silicone S should be fixed to a maximum of two solid surfaces. So that it has a basis in the joint and does not flow to the wall and glued there, an elastic round cord 10 is first placed in the joint, which bridges the gap between the built-in object B and the tile F. Then before the Round cord in a known manner, the silicone material or the like attached and the joint can be sealed.
  • the tear-resistant round cord is therefore only a flexible filling material, so that the silicone does not migrate in the direction of the wall/floor and forms a three-sided adhesion.
  • the use of specially designed joint cords is proposed according to the invention as the "round cord", which on the one hand are elastic (in particular compressible), but on the other hand also have a high tear resistance in the longitudinal direction. If the joint needs to be renewed after the silicone S has aged, the old material can then be removed particularly easily. After a clean cut through the silicone along the lower edge of the tile and parallel to the surface of the tub, the tear-resistant joint cord can be completely removed, taking the firmly anchored scraps of silicone with it.
  • the tear-resistant joint cord is an independent, flexible component and a fixed connection with the waterproofing layer should be avoided.
  • FIGS. 2 to 7 show various embodiments of a tear-resistant joint cord in this regard.
  • figure 2 contains the joint cord 10 as a strength component, a wire 11, which is located inside and covered by an elastic foam 12.
  • a joint cord can be produced, for example, by extrusion of the foam 12 around the wire 11 .
  • an elastic foam core 22 is completely surrounded on the outside by a jacket 21 made of a tear-resistant material.
  • the material can in particular be a woven fabric made of fibers, for example fibers made of metal (eg steel) or plastic (eg PE). It is advantageous in such an embodiment that the strength component 21 has a certain roughness, which enables the silicone to adhere well.
  • the fabric can be closed or semi-closed, round, square or triangular. In particular, an open structure a steel or plastic mesh offers the silicone an excellent anchoring surface. When the joint cord 20 is torn out of a joint, the silicone is therefore reliably taken along.
  • the joint cord 20 can also consist only of the tear-resistant outer jacket 21, i.e. have no foam core 32.
  • a strength component such as a metal mesh 31 extends only over an angular range of approx. 180° to approx. 200° (seen from the center point of the joint cord) over the circumference of the joint cord 30, the core of which in turn consists of a foam 32.
  • the strength component is arranged in particular towards the room side, so that the silicone can adhere to it.
  • the joint cord 40 from figure 5 has a strength component 41 with a fish-shaped cross-section, ie a pitch circle over approximately 220° to 360° with adjoining ends pointing radially outwards. It can optionally contain a foam core 42 .
  • the joint cord 50 from figure 6 has a strength component 51 with an ⁇ -shaped cross section. It can optionally contain a foam core 52 .
  • the joint cord 60 from figure 7 has a strength component 61 with an angular cross-section.
  • a strength component 61 with an angular cross-section.
  • it may include a foam core 62 and/or angled ends.
  • joint cords are selected according to the joints to be sealed. So the diameter of the joint cords are typically between approx. 1 mm and 50 mm. Contrary to what is shown, other shapes can also be used in addition to round cross sections. Furthermore, the joint rope must be elastic enough that it can be compressed, compressed, bent and shaped as required during processing. It should be able to be easily inserted and deflected as a spacer in an open joint.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Building Environments (AREA)
  • Finishing Walls (AREA)

Description

Die Erfindung betrifft eine elastische Fugenschnur sowie einen hiermit hergestellten Fugenaufbau und ein Verfahren zum Bearbeiten einer Fuge. Aus dem Sanitärbereich ist es bekannt, zur Abdichtung der Fuge zwischen zwei Bauteilen, beispielsweise zwischen einer Wandfliese und der Oberkante einer Dusch- oder Badewanne, in der Fuge eine elastische Rundschnur aus Schaumkunststoff anzuordnen. Die Rundschnur dient dabei vor allem als Distanzhalter zwischen den Bauteilen. Die eigentliche Abdichtung der Fuge erfolgt in der Regel in einem späteren Schritt durch das Auftragen eines dauerelastischen Dichtungsmaterials wie beispielsweise Silikon vor der Rundschnur. Problematisch hierbei ist, dass die Silikonfuge altert und dadurch im Laufe der Zeit undicht wird. Sie muss dann erneuert werden, was jedoch sehr arbeits- und zeitaufwändig ist.The invention relates to an elastic joint cord and a joint construction made with it and a method for processing a joint. It is known from the sanitary sector to arrange an elastic round cord made of foam plastic in the joint to seal the joint between two components, for example between a wall tile and the top edge of a shower or bathtub. The round cord serves primarily as a spacer between the components. The actual sealing of the joint usually takes place in a later step by applying a permanently elastic sealing material such as silicone in front of the round cord. The problem here is that the silicone joint ages and thus becomes leaky over time. It then has to be renewed, which is very laborious and time-consuming.

Die DE 10 2013 104649 A1 offenbart eine elastische Fugenschnur nach dem Oberbegriff des Anspruchs 1.the DE 10 2013 104649 A1 discloses an elastic cord according to the preamble of claim 1.

Von diesem Hintergrund war es eine Aufgabe der vorliegenden Erfindung, Mittel für eine bessere Abdichtung von Fugen bereitzustellen.Against this background, it was an object of the present invention to provide means for better sealing of joints.

Diese Aufgabe wird durch eine Fugenschnur nach Anspruch 1, durch einen Fugenaufbau nach Anspruch 7 sowie durch ein Verfahren nach Anspruch 9 gelöst. Vorteilhafte Ausgestaltungen sind in den Unteransprüchen enthalten. Eine elastische Fugenschnur gemäß einem ersten Aspekt der Erfindung dient der Anordnung in einer Fuge zwischen zwei Bauteilen, insbesondere in einer Fuge zu einer Wandplatte oder Bodenplatte (Fliese). Die Fugenschnur ist reißfest.This object is achieved by a joint line according to claim 1, by a joint structure according to claim 7 and by a method according to claim 9. Advantageous configurations are contained in the dependent claims. An elastic joint cord according to a first aspect of the invention is used for arrangement in a joint between two components, in particular in a joint with a wall panel or floor panel (tile). The joint cord is tear-resistant.

Die Eigenschaft "reißfest" der erfindungsgemäßen Fugenschnur bestimmt sich relativ zu der (nicht vorhandenen) Reißfestigkeit bekannter Fugenschnüre oder Rundschnüre, welche im Sanitärbereich verwendet werden und typischerweise aus Schaumkunststoff bestehen.The "tear-resistant" property of the joint cord according to the invention is determined relative to the (non-existent) tear strength of known joint cords or round cords which are used in the sanitary sector and typically consist of foam plastic.

Die Reißfestigkeit der erfindungsgemäßen Fugenschnur ist mindestens so groß, dass sie eine in Längsrichtung wirkende Zugkraft von mehr als ca. 300 N, mehr als ca. 600 N, mehr als ca. 1000 N, mehr als ca. 5000 N, oder sogar mehr als ca. 10000 N auf Dauer aushält, ohne zu reißen. Falls die Reißfestigkeit der Fugenschnur von der Länge des der Zugkraft ausgesetzten Stückes abhängt, beziehen sich vorstehende Angaben auf ein Stück von ca. 10 cm Länge der Fugenschnur (d.h. wenn an beiden Enden eines 10 cm langen Stückes Fugenschnur mit entgegengesetzt gerichteten Kräften der genannten Größen gezogen wird, reißt die Fugenschnur nicht; eine elastische oder plastische Längenänderung ist dagegen zulässig). Des Weiteren hängt die Reißfestigkeit bei ansonsten gleichartigem Aufbau der Fugenschnur auch von deren Dicke (Durchmesser) ab, wobei sich obige Angaben auf den typischen Fall einer Fugenschnur mit einem runden Querschnitt von ca. 15 mm2 Fläche beziehen.The tear strength of the joint cord according to the invention is at least so great that it has a tensile force acting in the longitudinal direction of more than about 300 N, more than about 600 N, more than about 1000 N, more than about 5000 N, or even more than withstands approx. 10000 N in the long term without tearing. If the tear strength of the joint cord depends on the length of the piece subjected to the tensile force, the above information relates to a piece of approx. 10 cm long joint cord (i.e. if both ends of a 10 cm long piece of joint cord are pulled with opposing forces of the stated sizes the joint cord does not tear; however, an elastic or plastic change in length is permissible). Furthermore, the tear strength also depends on the thickness (diameter) of the joint cord if the structure is otherwise the same, with the above information referring to the typical case of a joint cord with a round cross-section of approx. 15 mm 2 in area.

Aufgrund der Reißfestigkeit der Fugenschnur ist es einfach und zuverlässig möglich, diese im Rahmen einer Renovierung wieder aus der Fuge zu entfernen, und zwar insbesondere auch dann, wenn sie raumseitig durch ein Dichtungsmaterial wie beispielsweise Silikon abgedeckt worden ist. Zur Entfernung muss nämlich nur ein Anfangsstück der Fugenschnur freigelegt und dann gezogen werden, woraufhin aufgrund der Reißfestigkeit die gesamte Fugenschnur mitsamt Dichtungsmaterial aus der Fuge herausgezogen wird. Anschließend kann die Fuge erneut gefüllt werden, beispielsweise indem wiederum eine reißfeste Fugenschnur eingesetzt und anschließend mit Silikon abgedichtet wird.Due to the tear resistance of the joint cord, it is easy and reliable to remove it again from the joint as part of a renovation, especially when it has been covered on the room side by a sealing material such as silicone. To remove it, only the beginning of the joint cord needs to be uncovered and then pulled, whereupon the entire joint cord, including the sealing material, is pulled out of the joint due to its tear resistance. The joint can then be filled again, for example by using a tear-resistant joint cord and then sealing it with silicone.

Die Elastizität der Fugenschnur sollte so groß sein, dass sich die Schnur gut verarbeiten lässt, dem Fugenverlauf folgt, und insbesondere auch durch Kompression in eine engere Fuge klemmend einsetzen lässt.The elasticity of the joint cord should be large enough so that the cord can be processed easily, follows the course of the joint and, in particular, can be inserted into a narrower joint by being clamped by compression.

Wie der Begriff "Schnur" bereits andeutet, hat die Fugenschnur typischerweise eine große Längserstreckung im Vergleich zu sehr viel kleineren Querdimensionen. Insbesondere kann sie sich quasi endlos in Längsrichtung erstrecken, wobei der dazu senkrechte Querschnitt typischerweise überall konstant ist. Dieser Querschnitt kann insbesondere kreisrund, aber auch oval, mehreckig oder andersartig geformt sein. Für den Transport lässt sich die Fugenschnur vorzugsweise kompakt auf einer Rolle aufwickeln oder als Längszuschnitt vorbereiten.As the term "cord" suggests, the joint cord typically has a large longitudinal dimension compared to much smaller transverse dimensions. In particular, it can extend almost endlessly in the longitudinal direction, with the cross section perpendicular thereto typically being constant everywhere. In particular, this cross section can be circular, but also oval, polygonal or shaped in some other way. For transport, the joint cord can preferably be wound up compactly on a roll or prepared as a lengthwise cut.

Die Fugenschnur kann optional ein Schaumstoffmaterial enthalten, beispielsweise einen von herkömmlichen Rundschnüren bekannten Schaumkunststoff. Hierdurch lässt sich die gewünschte Elastizität (insbesondere in Form einer Komprimierbarkeit) gewährleisten.The joint cord can optionally contain a foam material, for example a foam plastic known from conventional round cords. In this way, the desired elasticity (in particular in the form of compressibility) can be ensured.

Die Fugenschnur enthält welche ihr die Reißfestigkeit verleiht und welche daher im Folgenden "Festigkeitskomponente" genannt wird. Die Fugenschnur ohne die Festigkeitskomponente würde typischerweise nicht reißfest sein (bzw. nicht reißfester als bekannte Rundschnüre), während umgekehrt die Festigkeitskomponente allein in der Regel bereits reißfest ist. Trotz ihrer Reißfestigkeit sollte die Festigkeitskomponente eine ausreichende Elastizität aufweisen, damit die Fugenschnur insgesamt die für ihre Verarbeitung erforderlicher Elastizität besitzt. Eine hohe Komprimierbarkeit muss die Festigkeitskomponente indes nicht unbedingt haben, da diese Eigenschaft in der Regel von anderen Komponenten der Fugenschnur übernommen wird.The joint cord contains what gives it tear strength and which is therefore referred to in the following as "strength component". The joint cord without the Typically, the strength component would not be tear-resistant (or no more tear-resistant than known round cords), while conversely the strength component alone is usually already tear-resistant. Despite its tear resistance, the strength component should have sufficient elasticity so that the joint rope as a whole has the elasticity required for its processing. However, the strength component does not necessarily have to have a high level of compressibility, as this property is usually taken over by other components of the joint cord.

Für die geometrische Anordnung von Festigkeitskomponenten und anderen Komponenten gibt es verschiedene Möglichkeiten, wobei in der Regel ein in Längsrichtung gleichbleibender Aufbau bevorzugt ist.There are various possibilities for the geometric arrangement of strength components and other components, a structure that remains the same in the longitudinal direction being generally preferred.

Die Festigkeitskomponente ist ganz auf der Außenseite der Fugenschnur angeordnet. Beispielsweise kann sich die Festigkeitskomponente in Längsrichtung entlang der Fugenschnur erstrecken und dabei von der Mittelachse der Fugenschnur aus gesehen einen Winkelbereich zwischen ca. 30° und ca. 270°, vorzugsweise zwischen ca. 150° und 220° abdecken. Insbesondere kann die Festigkeitskomponente auch einen Winkelbereich von ca. 180° abdecken, also eine Hälfte der Außenseite. Daneben ist es auch möglich, dass die gesamte Außenseite der Fugenschnur von der Festigkeitskomponente bedeckt ist (Winkelbereich 360°), beispielsweise wenn diese in Form eines Mantels um den Kern der Fugenschnur liegt.The strength component is located entirely on the outside of the joint cord. For example, the strength component can extend in the longitudinal direction along the joint cord and cover an angular range of between about 30° and about 270°, preferably between about 150° and 220°, viewed from the central axis of the joint cord. In particular, the strength component can also cover an angular range of approximately 180°, ie half of the outside. In addition, it is also possible for the entire outside of the joint cord to be covered by the strength component (angle range 360°), for example if this is in the form of a jacket around the core of the joint cord.

Der materielle Aufbau der Festigkeitskomponente kann auf verschiedene Weise realisiert werden. So kann die Festigkeitskomponente beispielsweise ein Draht sein oder mehrere Drähte enthalten oder einen biegsamen Stahlmantel haben. Des Weiteren kann die Festigkeitskomponente ein Gewebe aus Fasern sein, beispielsweise aus Metallfasern oder Kunststofffasern, wobei der Begriff "Gewebe" breit alle regelmäßigen oder unregelmäßigen Anordnungen der Fasern abdecken soll (d.h. auch Gewirke, Vliese, Filze und dergleichen). DieThe material structure of the strength component can be realized in various ways. For example, the strength component can be a wire or contain multiple wires or have a flexible steel sheath. Furthermore, the strength component can be a fabric made of fibers, for example metal fibers or plastic fibers, the term "Tissue" is intended to broadly cover all regular or irregular arrangements of the fibers (ie also knitted fabrics, nonwovens, felts and the like). the

Außenoberfläche der Fugenschnur ist zumindest teilweise für das Anhaften eines (dauerelastischen) Dichtungsmaterials eingerichtet, insbesondere für das Anhaften von Silikon. Die kann beispielsweise durch eine entsprechende chemische Präparation der Außenoberfläche erfolgen und/oder durch eine geeignete, insbesondere raue Formgebung. Vorzugsweise kann eine raue Form durch das vorstehend genannte Gewebe aus Fasern bereitgestellt werden, wenn dieses an der Außenoberfläche der Fugenschnur angeordnet ist. In diesem Falle lässt sich die Reißfestigkeit der Fugenschnur mit einem guten Anhaftenden des Dichtungsmaterials kombinieren.The outer surface of the joint cord is at least partially designed for the adhesion of a (permanently elastic) sealing material, in particular for the adhesion of silicone. This can be done, for example, by appropriate chemical preparation of the outer surface and/or by suitable, in particular rough, shaping. Preferably, a rough shape can be provided by the above web of fibers when placed on the outer surface of the joint cord. In this case, the tear strength of the joint cord can be combined with good adhesion of the sealing material.

Gemäß einem zweiten Aspekt betrifft die Erfindung einen Fugenaufbau, welcher die folgenden Komponenten umfasst:

  • Ein erstes Bauteil, beispielsweise eine Wand- oder Bodenplatte.
  • Ein zweites Bauteil, beispielsweise eine (zweite) Wand- oder Bodenplatte oder einen sanitären Einbaugegenstand wie etwa eine Badewanne, eine Duschtasse, einen Bodenablauf oder dergleichen, wobei das erste Bauteil und das zweite Bauteil zwischen sich eine Fuge ausbilden.
  • Eine Fugenschnur gemäß einer der oben beschriebenen Ausführungsformen, die in der vorgenannten Fuge angeordnet ist und, diese überbrückend, die beiden Bauteile miteinander verbindet.
According to a second aspect, the invention relates to a joint structure which comprises the following components:
  • A first component, for example a wall or floor panel.
  • A second component, for example a (second) wall or floor panel or a built-in sanitary item such as a bathtub, a shower tray, a floor drain or the like, the first component and the second component forming a joint between them.
  • A joint cord according to one of the above-described embodiments, which is arranged in the aforementioned joint and, bridging this, connects the two components to one another.

Gemäß einer Weiterbildung des beschriebenen Fugenaufbaues ist an (mindestens) einer Seite der Fugenschnur ein Dichtungsmaterial wie beispielsweise Silikon angeordnet. Eine solche Anordnung erfolgt in der Regel auf der von außen zugänglichen/sichtbaren Raumseite der Fuge bzw. Fugenschnur. Das Dichtungsmaterial haftet dabei vorzugsweise an der Fugenschnur, beispielsweise aufgrund einer stoffschlüssigen Anbindung oder eines formschlüssigen Eingriffes in eine Oberflächenstruktur der Fugenschnur.According to a further development of the joint structure described, a sealing material such as silicone is arranged on (at least) one side of the joint line. Such an arrangement is usually on the side of the joint or joint cord that is accessible/visible from the outside. The sealing material preferably adheres to the joint cord, for example due to a material connection or a form-fitting intervention in a surface structure of the joint cord.

Nach einem dritten Aspekt betrifft die Erfindung ein Verfahren zum Bearbeiten einer Fuge zwischen einem ersten Bauteil und einem zweiten Bauteil, welches dadurch gekennzeichnet ist, dass eine Fugenschnur gemäß einer der oben beschriebenen Ausführungsformen in der Fuge angeordnet wird. Die Anordnung erfolgt dabei vorzugsweise so, dass die Fugenschnur die Fuge schließt, d.h. den Spalt zwischen den beiden Bauteilen überbrückt und die Bauteile verbindet.According to a third aspect, the invention relates to a method for processing a joint between a first component and a second component, which is characterized in that a joint cord according to one of the embodiments described above is arranged in the joint. The arrangement is preferably such that the joint cord closes the joint, i.e. bridges the gap between the two components and connects the components.

Die Fugenschnur, der Fugenaufbau, und das Verfahren gemäß den verschiedenen Aspekten der Erfindung sind verschiedene Realisierungen desselben Kerngedankens. Erläuterungen und Ausführungen, welche für eine dieser Realisierung gegeben wurden, gelten daher sinngemäß auch für die anderen.The joint cord, joint construction, and method according to the various aspects of the invention are different implementations of the same core idea. Explanations and explanations that were given for one of these realizations also apply accordingly to the others.

Gemäß einer Weiterbildung des Verfahrens wird (nach der Anordnung der Fugenschnur in der Fuge) auf einer Seite der Fugenschnur ein Dichtungsmaterial wie insbesondere Silikon angebracht, beispielsweise mit Hilfe einer Silikonspritze. Vorzugsweise entsteht dabei eine haftende Anbindung des Dichtungsmaterials an die Fugenschnur.According to a development of the method (after the joint line has been arranged in the joint), a sealing material such as in particular silicone is applied to one side of the joint line, for example with the aid of a silicone syringe. This preferably creates an adhesive bond between the sealing material and the joint line.

Gemäß einer anderen Weiterentwicklung des Verfahrens wird die Fugenschnur mit dem (chemisch abgebundenen) Dichtungsmaterial durch Ziehen an der Fugenschnur aus der Fuge entfernt. Dieser Bearbeitungsschritt kann der Vorbereitung einer Erneuerung der Fugendichtung dienen, falls diese beispielsweise auf Grund eines Alterns des Dichtungsmaterials notwendig wird. Das Herausziehen der Fugenschnur kann optional dadurch vorbereitet werden, dass die Verbindung des Dichtungsmaterials mit denen angrenzenden Bauteilen beispielsweise mit Hilfe eines Cuttermessers gelöst wird.According to another further development of the method, the joint cord with the (chemically set) sealing material is removed from the joint by pulling on the joint cord. This processing step can be used to prepare for replacing the joint seal if this becomes necessary, for example, due to aging of the sealing material. The pulling out of the joint cord can optionally be prepared by loosening the connection of the sealing material with the adjoining components, for example with the help of a cutter knife.

Im Folgenden wird die Erfindung mit Hilfe der beigefügten Figuren beispielhaft näher erläutert. Dabei zeigt:

Figur 1
einen schematischen Querschnitt durch einen nicht erfindungsgemäßen Fugenaufbau;
Figur 2
eine nicht erfindungsgemäße Fugenschnur, welche einen Draht im Inneren enthält;
Figur 3
eine erfindungsgemäße Fugenschnur, welche einen vollumfänglichen Außenmantel aus Drahtgewebe enthält;
Figur 4
eine erfindungsgemäße Fugenschnur, welche einen sich über ca. 180° erstreckenden Teil-Außenmantel aus Drahtgewebe enthält;
Figur 5
eine erfindungsgemäße Fugenschnur, welche einen sich über mehr als 180° erstreckenden Teil-Außenmantel z.B. aus Drahtgewebe mit Fischform-Querschnitt hat und welche ohne (links) oder mit (rechts) Füllprofil ausgebildet sein kann;
Figur 6
eine erfindungsgemäße Fugenschnur, welche einen sich über mehr als 180° erstreckenden Teil-Außenmantel z.B. aus Drahtgewebe mit Ω-Querschnitt hat und welche ohne (links) oder mit (rechts) Füllprofil ausgebildet sein kann;
Figur 7
eine erfindungsgemäße Fugenschnur, welche einen Außenmantel z.B. aus Drahtgewebe mit Winkel-Querschnitt hat und welche ohne (links) oder mit (rechts) Füllprofil ausgebildet sein kann.
The invention is explained in more detail below by way of example with the aid of the attached figures. It shows:
figure 1
a schematic cross section through a joint structure not according to the invention;
figure 2
a joint cord not according to the invention, which contains a wire inside;
figure 3
a joint line according to the invention, which contains a full-circumferential outer sheath made of wire mesh;
figure 4
a joint cord according to the invention, which contains a partial outer sheath made of wire mesh extending over approximately 180°;
figure 5
a joint cord according to the invention, which has a partial outer sheath extending over more than 180°, for example made of wire mesh with a fish-shaped cross-section and which can be designed without (left) or with (right) a filling profile;
figure 6
a joint cord according to the invention, which has a partial outer sheath extending over more than 180°, for example made of wire mesh with an Ω cross section, and which can be designed without (left) or with (right) a filling profile;
figure 7
a joint line according to the invention, which has an outer jacket, for example, made of wire mesh with an angular cross-section and which can be designed without (left) or with (right) a filling profile.

Figur 1 zeigt einen schematischen Querschnitt durch eine nicht erfindungsgemäße Fuge, welche vor einer Gebäudewand W gebildet wird. Auf der Gebäudewand W befinden sich im oberen Bereich Fliesen F, welche mit einem Fliesenkleber befestigt sind und in einem Abstand von typischerweise fünf bis 10 mm oberhalb eines Einbaugegenstandes wie beispielsweise einer Badewanne B enden. Die dadurch zwischen dem Einbaugegenstand B und der Fliese F entstehende Fuge muss gegen das Eindringen von Wasser zur Gebäudewand W abgedichtet werden. Dies kann zum einen durch ein zwischen Einbaugegenstand und Fliese eingesetztes Dichtband (nicht dargestellt) geschehen, wie es beispielsweise in der EP 1 967 107 A2 beschrieben wird. Zum anderen erfolgt die Dichtung durch ein dauerelastisches Dichtungsmaterial wie beispielsweise Silikon S. Das Silikon S sollte maximal an zwei festen Oberflächen fixiert sein. Damit es eine Grundlage in der Fuge hat und nicht an die Wand fließt und dort verklebt, wird in der Fuge zunächst eine elastische Rundschnur 10 angeordnet, welche den Spalt zwischen Einbaugegenstand B und Fliese F überbrückt. Anschließend kann vor der Rundschnur in bekannter Weise das Silikonmaterial oder dergleichen angebracht und die Fuge so gedichtet werden. Die reißfeste Rundschnur ist somit nur ein flexibles Füllmaterial, damit das Silikon nicht in Richtung Wand/Boden abwandert und eine Dreiflankenhaftung bildet. figure 1 shows a schematic cross section through a joint not according to the invention, which is formed in front of a building wall W. On the building wall W there are tiles F in the upper area, which are fixed with a tile adhesive and end at a distance of typically five to 10 mm above a built-in object such as a bathtub B. The resulting joint between the built-in object B and the tile F must be sealed against the ingress of water to the building wall W. This can be done on the one hand by a sealing tape (not shown) inserted between the built-in object and the tile, as is the case, for example, in EP 1 967 107 A2 is described. On the other hand, the seal is made by a permanently elastic sealing material such as silicone S. The silicone S should be fixed to a maximum of two solid surfaces. So that it has a basis in the joint and does not flow to the wall and glued there, an elastic round cord 10 is first placed in the joint, which bridges the gap between the built-in object B and the tile F. Then before the Round cord in a known manner, the silicone material or the like attached and the joint can be sealed. The tear-resistant round cord is therefore only a flexible filling material, so that the silicone does not migrate in the direction of the wall/floor and forms a three-sided adhesion.

In diesem Zusammenhang wird erfindungsgemäß als "Rundschnur" die Verwendung besonders ausgebildeter Fugenschnüre vorgeschlagen, welche zum einen elastisch sind (insbesondere komprimierbar), zum anderen aber auch in Längsrichtung eine hohe Reißfestigkeit aufweisen. Sollte nach einem Altern des Silikons S eine Erneuerung der Fuge notwendig werden, so kann das alte Material dann besonders einfach entfernt werden. Nach einem sauberen Schnitt durch das Silikon entlang der unteren Fliesenkante und parallel zur Wannenoberfläche kann die reißfeste Fugenschnur komplett entfernt werden und nimmt dabei die fest verankerten Silikonfetzen mit. Die reißfeste Fugenschnur ist dabei ein unabhängiges, flexibles Bauteil, und eine feste Verbindung mit der Abdichtungsebene ist zu vermeiden.In this context, the use of specially designed joint cords is proposed according to the invention as the "round cord", which on the one hand are elastic (in particular compressible), but on the other hand also have a high tear resistance in the longitudinal direction. If the joint needs to be renewed after the silicone S has aged, the old material can then be removed particularly easily. After a clean cut through the silicone along the lower edge of the tile and parallel to the surface of the tub, the tear-resistant joint cord can be completely removed, taking the firmly anchored scraps of silicone with it. The tear-resistant joint cord is an independent, flexible component and a fixed connection with the waterproofing layer should be avoided.

Die Figuren 2 bis 7 zeigen diesbezüglich verschiedene Ausführungsformen einer reißfesten Fugenschnur.the Figures 2 to 7 show various embodiments of a tear-resistant joint cord in this regard.

Bei der nicht erfindungsgemäßen Ausführungsform von Figur 2 enthält die Fugenschnur 10 als Festigkeitskomponente einen Draht 11, welcher innen gelegen und von einem elastischen Schaumstoff 12 ummantelt ist. Eine solche Fugenschnur lässt sich beispielsweise durch Extrusion des Schaumstoffes 12 um den Draht 11 herum herstellen.In the non-inventive embodiment of figure 2 contains the joint cord 10 as a strength component, a wire 11, which is located inside and covered by an elastic foam 12. Such a joint cord can be produced, for example, by extrusion of the foam 12 around the wire 11 .

Bei der Fugenschnur 20 von Figur 3 wird ein elastischer Schaumstoffkern 22 an der Außenseite vollumfänglich von einem Mantel 21 aus einem reißfesten Material umgeben. Bei dem Material kann es sich insbesondere um ein Gewebe aus Fasern handeln, beispielsweise von Fasern aus Metall (z.B. Stahl) oder Kunststoff (z.B. PE). Vorteilhaft bei einer solchen Ausführungsform ist, dass die Festigkeitskomponente 21 eine gewisse Rauigkeit aufweist, welche ein gutes Anhaftenden von Silikon ermöglicht. Das Gewebe kann geschlossen oder halb geschlossen sein, rund, eckig oder dreieckig. Insbesondere eine offene Struktur eines Stahl- oder Kunststoffgewebes bietet dem Silikon eine hervorragende Verankerungsfläche. Beim Herausreißen der Fugenschnur 20 aus einer Fuge wird daher das Silikon zuverlässig mitgenommen.At the joint cord 20 from figure 3 an elastic foam core 22 is completely surrounded on the outside by a jacket 21 made of a tear-resistant material. The material can in particular be a woven fabric made of fibers, for example fibers made of metal (eg steel) or plastic (eg PE). It is advantageous in such an embodiment that the strength component 21 has a certain roughness, which enables the silicone to adhere well. The fabric can be closed or semi-closed, round, square or triangular. In particular, an open structure a steel or plastic mesh offers the silicone an excellent anchoring surface. When the joint cord 20 is torn out of a joint, the silicone is therefore reliably taken along.

Bei einer alternativen Ausführungsform kann die Fugenschnur 20 auch nur aus dem reißfesten Außenmantel 21 bestehen, d.h. keinen Schaumstoffkern 32 aufweisen.In an alternative embodiment, the joint cord 20 can also consist only of the tear-resistant outer jacket 21, i.e. have no foam core 32.

Bei der Fugenschnur 30 von Figur 4 erstreckt sich eine Festigkeitskomponente wie beispielsweise ein Metallgewebe 31 nur über einen Winkelbereich von ca. 180° bis ca. 200° (vom Mittelpunkt der Fugenschnur aus gesehen) über den Umfang der Fugenschnur 30, deren Kern wiederum aus einem Schaumstoff 32 besteht. In diesem Falle wird die Festigkeitskomponente insbesondere zur Raumseite hin angeordnet, sodass das Silikon an ihr anhaften kann.At the joint cord 30 from figure 4 a strength component such as a metal mesh 31 extends only over an angular range of approx. 180° to approx. 200° (seen from the center point of the joint cord) over the circumference of the joint cord 30, the core of which in turn consists of a foam 32. In this case, the strength component is arranged in particular towards the room side, so that the silicone can adhere to it.

In den Figuren 5, 6 und 7 sind verschiedene Ausführungsformen von Fugenschnüren im Querschnitt senkrecht zur Längserstreckung dargestellt, wobei diese entweder nur durch den (insoweit formstabilen) Außenmantel aus beispielsweise Drahtgewebe gebildet werden (jeweils linke Abbildung) oder alternativ eine Füllung enthalten (jeweils rechte Abbildung), beispielsweise aus Schaumstoff.In the Figures 5, 6 and 7 various embodiments of joint cords are shown in cross section perpendicular to the longitudinal extension, these being either formed only by the (in this respect dimensionally stable) outer jacket made of wire mesh, for example (each left figure) or alternatively contain a filling (each right figure), for example made of foam.

Die Fugenschnur 40 von Figur 5 hat eine Festigkeitskomponente 41 mit einem fischförmigen Querschnitt, d.h. einem Teilkreis über ca. 220° bis 360° mit daran anschließenden, radial nach außen weisenden Enden. Optional kann sie einen Schaumstoffkern 42 enthalten.The joint cord 40 from figure 5 has a strength component 41 with a fish-shaped cross-section, ie a pitch circle over approximately 220° to 360° with adjoining ends pointing radially outwards. It can optionally contain a foam core 42 .

Die Fugenschnur 50 von Figur 6 hat eine Festigkeitskomponente 51 mit einem Ω-förmigen Querschnitt. Optional kann sie einen Schaumstoffkern 52 enthalten.The joint cord 50 from figure 6 has a strength component 51 with an Ω-shaped cross section. It can optionally contain a foam core 52 .

Die Fugenschnur 60 von Figur 7 hat eine Festigkeitskomponente 61 mit einem Winkelförmigen Querschnitt. Optional kann sie einen Schaumstoffkern 62 enthalten und/oder abgewinkelte Enden.The joint cord 60 from figure 7 has a strength component 61 with an angular cross-section. Optionally, it may include a foam core 62 and/or angled ends.

Die Abmessungen und Formen der dargestellten Fugenschnüre werden entsprechend den abzudichtenden Fugen gewählt. So kann der Durchmesser der Fugenschnüre typischerweise zwischen ca. 1 mm und 50 mm liegen. Anders als dargestellt können außer runden Querschnitten auch andere Formen zur Anwendung kommen. Weiterhin muss die Fugenschnur so elastisch sein, dass sie während der Verarbeitung nach Bedarf gestaucht, komprimiert, gebogen und geformt werden kann. Sie sollte problemlos als Abstandshalter in eine offene Fuge gesteckt und umgelenkt werden können.The dimensions and shapes of the shown joint cords are selected according to the joints to be sealed. So the diameter of the joint cords are typically between approx. 1 mm and 50 mm. Contrary to what is shown, other shapes can also be used in addition to round cross sections. Furthermore, the joint rope must be elastic enough that it can be compressed, compressed, bent and shaped as required during processing. It should be able to be easily inserted and deflected as a spacer in an open joint.

Die Reißfestigkeit der Fugenschnüre 10, 20, 30 kann z.B. dahingehend quantifiziert werden, dass ein ca. 10 cm langes Stück hiervon bei Anhängen eines Gewichtes von X kg nicht reißt (mit X = 1; 2; 4; 10; 30; 60; oder 100).The tear strength of the joint cords 10, 20, 30 can be quantified, for example, that an approx. 10 cm long piece of it does not tear when a weight of X kg is attached (with X = 1; 2; 4; 10; 30; 60; or 100).

Claims (13)

  1. Elastic joint filler cord (20, 30, 40, 50, 60) for arrangement in a joint between two building components (B, F), in particular in a joint to a wall panel (F) or floor panel, wherein
    - it is compressible so that it can be clamped by compression in a narrower joint;
    - it contains at least one strength component (21, 31, 41, 51, 61) which provides it with the tensile strength;
    - its outer surface is at least partially adapted for adhesion of a sealing material, in particular silicone (S),
    characterized in that
    - it can withstand, in the longitudinal direction, a tensile force of at least 300 N without tearing, and
    - the strength component (21, 31, 41, 51, 61) is arranged only on the outer surface of the joint filler cord (20, 30, 40, 50, 60).
  2. Joint filler cord (20) according to claim 1,
    characterized in that its entire outer surface is covered by the strength component (21).
  3. Joint filler cord (20, 30, 40, 50, 60) according to at least one of the preceding claims,
    characterized in that it comprises a foam material (22, 32, 42, 52, 62).
  4. Joint filler cord (20, 30, 40, 50, 60) according to claim 1,
    characterized in that it consists of an outer sheath of the strength component (21, 31, 41, 51, 61).
  5. Joint filler cord (20, 30) according to at least one of the preceding claims, characterized in that its cross-section is circular or oval shaped.
  6. Joint filler cord (20, 30, 40, 50, 60) according to at least one of the preceding claims,
    characterized in that the strength component (21, 31, 41, 51, 61) contains a fabric of fibres.
  7. A joint structure comprising
    - a first building component (F),
    - a second building component (B), which forms a joint with the first building component (F);
    - a joint filler cord (20, 30, 40, 50, 60) according to at least one of the claims 1 to 6, that is arranged in the joint and connects the two building components (B, F).
  8. A joint structure according to at least one of the preceding claims, characterized in that a sealing material such as silicone (S) is arranged on one side of the joint filler cord (20, 30, 40, 50, 60), wherein the sealing material adheres to the joint filler cord.
  9. Method for processing a joint between a first building component (F) and a second building component (B),
    characterized in that a joint filler cord (20, 30, 40, 50, 60) according to at least one of the claims 1 to 6 is arranged in the joint.
  10. Method according to at least one of the preceding claims,
    characterized in that a sealing material such as silicone (S) is arranged on one side of the joint filler cord (20, 30, 40, 50, 60).
  11. Method according to claim 10,
    characterized in that the joint filler cord (20, 30, 40, 50, 60) with the sealing material (S) is removed from the joint by pulling the joint filler cord.
  12. Method according to claim 10 or 11,
    characterized in that the sealing material (S) adheres to the joint filler cord (20, 30, 40, 50, 60) in a bonded manner or by form-fitting engagement with a surface structure.
  13. Use of a tensile joint filler cord (20, 30, 40, 50, 60) in a method according to one of the claims 9 to 12.
EP18726747.1A 2017-05-10 2018-05-09 Joint filler cord Active EP3621502B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017110057.1A DE102017110057A1 (en) 2017-05-10 2017-05-10 joint cord
PCT/EP2018/062093 WO2018206692A1 (en) 2017-05-10 2018-05-09 Joint filler cord

Publications (2)

Publication Number Publication Date
EP3621502A1 EP3621502A1 (en) 2020-03-18
EP3621502B1 true EP3621502B1 (en) 2022-04-20

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EP (1) EP3621502B1 (en)
DE (2) DE102017110057A1 (en)
WO (1) WO2018206692A1 (en)

Families Citing this family (4)

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DE102019008630A1 (en) * 2019-12-13 2021-06-17 Mabo Steuerungselemente Gmbh Cut protection tape device, in particular for a bathtub sealing bath
EP4230102A1 (en) 2022-02-18 2023-08-23 Sandra Geffers Ring-shaped joint cover
DE202022002860U1 (en) 2022-02-18 2023-10-09 Heiko Geffers Ring-shaped joint cover
DE202022102240U1 (en) 2022-04-26 2022-07-20 Hydrophon Kunststofftechnik Gmbh Sealing tape for the transition to an installed tub

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DE29909050U1 (en) * 1999-05-22 1999-12-02 Orajic Vjekoslav Sealing element for construction joints
DE102007010997A1 (en) 2007-03-05 2008-09-11 Kunststoff Direkt Gmbh & Co. Kg Joint tape for sanitary facilities
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EP1959065A1 (en) * 2007-02-14 2008-08-20 ISO-Chemie GmbH Sealing tape for sealing a groove
DE102007043593A1 (en) * 2007-09-13 2009-03-19 Bernd Urban und Anna Urban GbR (vertretungsberechtigte Gesellschafter: Anna Urban, 42279 Wuppertal, Bernd Urban, 42279 Wuppertal) Sealing element for the formation of wall connection in tub, comprises a base body, which is in the form of a foil out of metal, carbon fiber-enhanced plastics or composites and is equipped with first and second adhesive area
AT510127B1 (en) * 2010-03-18 2016-01-15 Urs Gassmann SEAL AND ASSEMBLY BELT WITH A CUT PROTECTION

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EP3621502A1 (en) 2020-03-18
WO2018206692A1 (en) 2018-11-15
DE102017110057A1 (en) 2018-11-15
DE212018000116U1 (en) 2019-08-21

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