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EP2806083B1 - Dispositif de fixation de plaques de matière synthétique sur des constructions ou des éléments de construction et procédé d'habillage d'éléments de construction ou de constructions avec des plaques de matière synthétique - Google Patents

Dispositif de fixation de plaques de matière synthétique sur des constructions ou des éléments de construction et procédé d'habillage d'éléments de construction ou de constructions avec des plaques de matière synthétique Download PDF

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Publication number
EP2806083B1
EP2806083B1 EP13002705.5A EP13002705A EP2806083B1 EP 2806083 B1 EP2806083 B1 EP 2806083B1 EP 13002705 A EP13002705 A EP 13002705A EP 2806083 B1 EP2806083 B1 EP 2806083B1
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EP
European Patent Office
Prior art keywords
base body
fastening
plastic
component
building
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.)
Active
Application number
EP13002705.5A
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German (de)
English (en)
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EP2806083A1 (fr
Inventor
Michael Uebigau
Rudolf Hummel
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.)
Agru Kunststofftechnik GmbH
Original Assignee
Agru Kunststofftechnik GmbH
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.)
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Publication date
Application filed by Agru Kunststofftechnik GmbH filed Critical Agru Kunststofftechnik GmbH
Priority to EP13002705.5A priority Critical patent/EP2806083B1/fr
Priority to DK13002705.5T priority patent/DK2806083T3/da
Publication of EP2806083A1 publication Critical patent/EP2806083A1/fr
Application granted granted Critical
Publication of EP2806083B1 publication Critical patent/EP2806083B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0801—Separate fastening elements
    • E04F13/0832—Separate fastening elements without load-supporting elongated furring elements between wall and covering elements
    • E04F13/0833—Separate fastening elements without load-supporting elongated furring elements between wall and covering elements not adjustable
    • E04F13/0841—Separate fastening elements without load-supporting elongated furring elements between wall and covering elements not adjustable the fastening elements engaging the outer surface of the covering elements, not extending through the covering
    • E04F13/0842—Separate fastening elements without load-supporting elongated furring elements between wall and covering elements not adjustable the fastening elements engaging the outer surface of the covering elements, not extending through the covering specially adapted for thin sheet-like materials, e.g. sheet-metal or plastics
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/21—Fastening means specially adapted for covering or lining elements
    • E04F13/24—Hidden fastening means on the rear of the covering or lining elements

Definitions

  • the invention relates to a device for fastening plastic panels to components or structures, in particular to concrete components or concrete structures.
  • the invention also relates to a method for lining components or structures with plastic sheets, in particular concrete components or concrete structures.
  • the invention also relates to a fastening kit for fastening plastic panels to components or structures and a lining system for lining components or structures.
  • plastic protective plates made of plastic are known, with which the concrete components and structures are lined.
  • the plastic sheets can be used to manufacture tight concrete tubs and provide permanent protection against corrosion and abrasion.
  • the EP 1 165 905 B1 describes a concrete protection plate made of thermoplastic material, which has a large number of anchoring elements.
  • the plastic plate is positioned on the front with formwork elements and poured with concrete on the rear, whereby the anchoring elements fix the plates in all directions.
  • From the EP 0 556 824 A1 of the DE 10 2009 057 680 A1 and the EP 0 358 164 A2 further devices for fixing upstream plates are known.
  • the only difference of the invention from the closest disclosure EP 0556 824 A1 is that the induction welding suitable element is embedded in or attached to the base body. In EP 0556 824 A1 the mentioned element is on the plastic plate.
  • plastic panels which are not cast with concrete, but are positioned at a distance from the wall. These plastic plates do not need to have anchoring elements but only spacer elements in order to be able to support the plates on the component or structure. The resulting gap between the lining and the component or structure can then be used to check the sealing system.
  • the invention is based on the object of simplifying the fastening of plastic panels to components or structures and the lining of components or structures with plastic panels and reducing the risk of leaks.
  • the device according to the invention for fastening plastic panels is characterized by a base body with a welding element which, on the one hand, allows a positive and / or non-positive connection to the component or structure and, on the other hand, allows penetration-free fastening of the plastic panels, so that leakage at the connection point between the plastic plate and the base body cannot occur.
  • the base body has an underside facing the component or structure and an upper side facing the plastic plate, the base body being made of a thermoplastic material.
  • the welding element consists of an electrically conductive material that is embedded in the base body on its upper side or is attached to the upper side of the base body. Consequently, the welding element can rest on the surface of the base body or be partially or completely embedded in the base body. Preferably, however, the welding element is at least partially embedded in the base body. For manufacturing reasons, it can be advantageous if the welding element is not cast into the base body during the injection molding process, but after the injection molding by subsequent melting of the Base body is partially embedded in the surface of the base body, ie is thermally connected to the base body.
  • the surface of the welding element made of electrically conductive material can end flush with the surface of the base body or be arranged at a distance from the surface of the base body.
  • the penetration-free connection between the plastic plate and the base body is achieved by generating an alternating electromagnetic field with which the welding element is brought to a temperature that is sufficiently high that the thermoplastic plastic of the base body melts.
  • the plastic plate and the base body are thermally welded.
  • This welding process is also known as induction welding.
  • the base body and the plastic plate are preferably made of materials that melt at the same temperature, preferably of the same plastic.
  • the non-positive and positive connection of the base body and the component or structure takes place by means of one or more fastening means, which can be designed differently.
  • the base body has at least one recess for the implementation of the at least one fastening means.
  • the fastening device according to the invention simplifies the use and assembly of the various lining systems. If the plastic plates are to be arranged at a distance from the wall of the component or structure, forming a gap, the fastening devices according to the invention can securely attach the plastic plates. But even if the space between the panels and the wall is to be potted, the fastening devices according to the invention contribute to a simplification of the method, since the secure fastening of the plastic panels makes the use of formwork elements superfluous, on which the plastic panels would otherwise have to be supported.
  • the welding element is designed as a flat structure which is at least partially embedded in the base body and which is penetrated many times by the thermoplastic material of the base body.
  • the welding element is preferably a lattice or mesh or fabric made of one or more electrically conductive threads or wires.
  • a particularly preferred embodiment provides that the welding element is a grid or mesh or fabric made of galvanized steel wires.
  • the welding element can, however, also be designed as a preferably flat coil.
  • the base body is preferably designed as a body with a flat top and bottom, the top forming a contact surface for the plastic plate and the bottom forming a contact surface for the wall of the component or structure.
  • the contact surface on the top is preferably larger than the contact surface on the underside, so that a sufficiently large surface is available for the welded connection.
  • the base body is a round body with an upper disk-shaped section and a lower cylindrical section, the diameter of the disk-shaped section being greater than the diameter of the cylindrical section.
  • the welding element is embedded in the upper, disk-shaped section and only melts the disk-shaped section in the upper area.
  • a single fastening means is sufficient for fastening the base body to the component or structure.
  • only one central recess is provided in the base body to implement the single fastening means.
  • the central recess of the base body preferably has an upper cylindrical section which extends to the top of the base body, and a lower cylindrical section which extends to the bottom of the base body.
  • the upper cylindrical section preferably has a larger diameter than the lower cylindrical section.
  • the shoulder between the two cylindrical sections of the central recess forms a support for spacer elements, for example washers, which can be inserted into the cylindrical section.
  • the height of the upper cylindrical section of the recess has a length which is sufficient that the fastening means do not protrude above the surface of the base body.
  • the fastening means for fastening the base body to the component or structure can be designed differently. In practice, threaded screws or hammer screws (hammer nails) or threaded rods with nuts have proven to be advantageous. These fasteners can be anchored to the structure or component with dowels.
  • the device according to the invention can be provided in a fastening kit which, in addition to the fastening device, also comprises the fastening means and spacer elements. Furthermore, the fastening kit preferably comprises further spacers to compensate for tolerances between the base body and the structure.
  • the spacers can be plastic disks of different thicknesses, which in a particularly preferred embodiment preferably have the same outer diameter as the outer diameter of the cylindrical lower section of the base body.
  • the spacers are preferably provided with a radial slot or a recess so that the spacers can be pushed on laterally even after the base body has been fastened without having to detach the base body again. It however, it is also possible to provide a spacer in the form of a preferably longitudinally slotted pipe section, which is shortened to the required length on site.
  • the fastening kit according to the invention can also be provided as a lining system together with the plastic panels, which has a plurality of protruding elements on one side, on which the plastic panels can be supported on the wall of the component or structure, so that formwork elements can be omitted.
  • the protruding elements are designed as anchoring elements, which can have expanding elements, preferably with undercuts, in order to ensure secure anchoring with the potting compound to guarantee.
  • Fig. 1 shows a section through the device according to the invention for fastening plastic panels to a component or structure.
  • the fastening device has a rotationally symmetrical base body made of a thermoplastic, in particular PE.
  • the base body can also consist of other thermoplastics, for example PP, PVC, PVDF and ECTFE.
  • the Figures 2 and 3 show the base body in a perspective view from above and below.
  • the base body 1 has a flat top side 1A, to which the plastic plate is attached, and a flat bottom side 1B, which faces the wall of the component to which the base body is attached.
  • the side facing the plastic plate is thus referred to as the top and the side facing the wall is referred to as the bottom.
  • the base body 1 has an upper disc-shaped section 2, to which a lower cylindrical section 3 is connected.
  • the diameter a of the disk-shaped section 2 is greater than the diameter b of the cylindrical section 3.
  • the disk-shaped section merges into the cylindrical section in an arc shape.
  • the base body 1 has a central recess 4 for the implementation of a fastening means 5, which in Fig. 1 is shown together with the base body.
  • the central recess 4 has an upper cylindrical section 4A, to which a lower cylindrical section 4B is connected.
  • the upper portion 4A has a larger inner diameter c than the inner diameter d of the lower cylindrical portion 4B.
  • a single fastening means 5 which has a hammer screw 6 and two spacers 7a and 7b.
  • the inner diameter c of the upper section 4A corresponds to the outer diameter of the larger spacer 7b.
  • the length of the upper section 4A is dimensioned such that the head 6a of the impact screw 6 lies below the surface 1A of the base body when the base body is fastened to the wall of the component.
  • a screw with a thread or a threaded rod with a nut can also be used to fasten the base body.
  • the plastic plate is attached to the top 1A of the base body 1 by means of induction welding.
  • the base body 1 has an induction welding element 8 made of an electrically conductive material, which is embedded in the base body on the upper side of the base body.
  • the induction welding element 8 is a grid made of galvanized steel wire which is cut to the shape of a ring and concentrically encloses the central recess 4 of the base body 1.
  • the outside diameter e of the induction welding element 8 is larger than the outside diameter b of the cylindrical section 3 and smaller than the outside diameter a of the disk-shaped section 2 of the base body 1.
  • the welding element 8 is introduced into the disk-shaped section 2 of the base body 1 in such a way that the top of the welding element is flush with the top side 1 A of the base body or is a relatively small distance below the surface.
  • Fig. 4 shows in a schematic representation the arrangement of rectangular plastic plates 10 (01, 02, 11 to 18 and 21, 22) for lining a cubic container. This is only an exemplary arrangement.
  • the bottom of the container is covered with plates 01 and 02. Since the floor panels 01, 02 are in a screed or mortar, these panels do not need to be fastened with the fastening means according to the invention.
  • the plastic plates 10 have a flat side 10A facing the container interior. On the rear side 10B, the plastic plates have protruding elements 9 which are designed as anchoring elements.
  • the anchoring elements 9 have spreading wing elements 9A, 9B which are cast with a casting compound, for example concrete, screed or mortar 11.
  • Fig. 6 shows a section through a part of the plastic plate cast with the potting compound 10 in an enlarged illustration.
  • the wall 12 of the container is freed from loose parts. Then positions are determined at which the fastening elements A are fastened to the wall 12 of the container. For this purpose, a corresponding grid is established, it being possible to assign several fastening elements A to each plastic plate 10. In the case of large-area linings, fastening points should also be located at the points at which several plastic plates 10 meet. Then drill holes 13 are drilled at the fastening points, into which dowels 14 are inserted.
  • the fastening devices A can now be screwed to the container wall 12 by means of hammer screws (nails), threaded screws or threaded rods with nuts, which are denoted by the reference number 6.
  • Fig. 1 shows a section through disk-shaped spacer pieces 15, 16 of different thicknesses, which have an outer diameter which corresponds to the outer diameter b of the cylindrical section 3 of the base body 1.
  • the spacers 15, 16 also have a central recess 15A, 16A.
  • the disk-shaped spacers can also be provided with a radial slot or a recess or be U-shaped so that the spacers can also be pushed on laterally without having to loosen the fastening of the base body.
  • the plastic plates 10 are now positioned, inner and outer mounting strips 16, 17 being used to fix the plates, which are inserted into the container and support the plastic plates in the corner areas and along the edges on the inside and outside.
  • the plastic plates are welded at the edges and corner points by means of extruder weld seams 18 or draw wire weld seams.
  • the fastening of the plastic plates 10 to the fastening elements 1 takes place by means of induction welding.
  • the induction welding devices suitable for this purpose are known to the person skilled in the art.
  • the induction welding element 8 is brought to a sufficiently high temperature so that the disk-shaped section 2 of the base body is welded to the plastic plate. This creates a secure and penetration-free connection between the plastic plate and the base body, without the risk of leaks at the assembly points.
  • the space 20 between plastic plates 10 and container wall 12 can be filled with a potting compound 11, whereby the plastic plates are firmly connected to the container.
  • the advantage of using the fastening elements lies in the fact that a casing for potting the cavities is not required, since the plastic plates are fixed to the container wall.
  • the fastening elements ensure sufficient fastening for the plastic panels.
  • the plastic plates do not need to have any anchoring elements. It is sufficient that the projecting elements of the plastic plates form spacer elements on which the plastic plates can be supported on the container wall.
  • Fig. 7 shows a section through a portion of a plastic plate 10 'in an enlarged view, which is supported with spacer elements 9' on the container wall.
  • the fastening elements with which the plastic plate is fastened to the container wall are shown in the partial view of FIG Fig. 7 not shown.
  • Concrete protective plates 10 for lining the component or structure, which are fastened with the fastening devices according to the invention, are in the EP 0 436 058 A1 and the EP 0 960 710 B1 or EP 1 165 905 B1 described.
  • other plastic plates can also be used which differ from these plates in the design of the anchoring or spacer element.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Connection Of Plates (AREA)
  • Joining Of Building Structures In Genera (AREA)

Claims (17)

  1. Dispositif de fixation de plaques de matière plastique à des composants ou des ouvrages de constructions, plus particulièrement à des composants en béton ou des ouvrages en béton, avec un corps de base (1), qui comprend un côté inférieur (1B) pouvant être orienté vers un composant ou ouvrage de construction et un côté supérieur (1A) pouvant être orienté vers une plaque de matière plastique, dans lequel le corps de base (1) est constitué d'une matière plastique thermoplastique et comprend au moins un évidement (4) pour le passage d'au moins un moyen de fixation (5), dans lequel le corps de base (1) comprend un côté supérieur plate (1A), sur lequel la plaque de matière plastique peut être fixée, et un côté inférieur plat (1B), qui peut être orienté vers la paroi du composant sur lequel le corps de base (1) peut être fixé, caractérisé en ce que, sur le côté supérieur (1A) du corps de base (1), un élément adapté à une soudure par induction (8), constitué d'un matériau électro-conducteur, est intégré dans le corps de base (1) ou est fixé sur le corps de base (1), dans lequel l'élément adapté à une soudure par induction (8) peut, grâce à un champ électromagnétique alternatif, être porté à une température suffisamment élevée pour que la matière plastique thermoplastique du corps de base (1) fonde, ce qui permet de souder thermiquement la plaque de matière plastique (10) et le corps de base (1).
  2. Dispositif selon la revendication 1, caractérisé en ce que l'élément adapté à une soudure par induction (8) est conçu comme une structure plane, intégrée dans le corps de base (1), qui est traversée plusieurs fois par le matériau thermoplastique du corps de base.
  3. Dispositif selon la revendication 2, caractérisé en ce que l'élément adapté à une soudure par induction (8) est une grille ou un treillis ou un tissu constitué d'un ou plusieurs filaments ou fils électro-conducteurs.
  4. Dispositif selon la revendication 3, caractérisé en ce que l'élément adapté à une soudure par induction (8) est une grille ou un treillis ou un tissu constitué de fils en acier zingué.
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que le corps de base (1) est conçu comme un corps avec des côtés supérieur et inférieur plats, dans lequel le corps de base (1) comprend, sur le côté supérieur (1A), une surface d'appui plus grande que sur le côté inférieur (1B).
  6. Dispositif selon l'une des revendications 1 à 5, caractérisé en ce que le corps de base (1) est un corps rond avec une partie supérieure en forme de disque (2) et une partie inférieure cylindrique (3), dans lequel le diamètre (a) de la partie en forme de disque (2) est supérieur au diamètre (b) de la partie cylindrique (3).
  7. Dispositif selon la revendication 6, caractérisé en ce que l'épaisseur de la partie en forme de disque (2) est inférieure à la longueur axiale de la partie cylindrique.
  8. Dispositif selon l'une des revendications 1 à 7, caractérisé en ce que le corps de base (1) comprend un évidement central (4) pour le passage d'un moyen de fixation, dans lequel l'élément adapté à une soudure par induction (8) entoure l'évidement central du corps de base de manière concentrique.
  9. Dispositif selon la revendication 8, caractérisé en ce que l'évidement central (4) comprend une portion cylindrique supérieure (4A), qui s'étend jusqu'au côté supérieur (1A) du corps de base (1), et une portion cylindrique inférieure (4B), qui s'étend jusqu'au côté inférieur (1B) du corps de base (1), dans lequel la portion cylindrique supérieure (4A) présente un diamètre intérieur (c) supérieur au diamètre intérieur (d) de la portion cylindrique inférieure (4B).
  10. Kit de fixation, caractérisé en ce que le kit de fixation comprend au moins un dispositif de fixation (A) selon l'une des revendications 1 à 9 et au moins un moyen de fixation (5) pour la fixation du corps de base au composant ou à l'ouvrage de construction.
  11. Kit de fixation selon la revendication 10, caractérisé en ce que le moyen de fixation (5) comprend une vis (6) ou une tige filetée avec un écrou.
  12. Kit de fixation selon la revendication 10 ou 11, caractérisé en ce que le kit de fixation comprend au moins une pièce d'écartement (15, 16) pour la compensation des tolérances entre le corps de base et l'ouvrage de construction.
  13. Système de revêtement pour le revêtement de composants ou d'ouvrages de construction avec une pluralité de plaques de matière plastique (10) et au moins un kit de fixation selon l'une des revendications 10 à 12, dans lequel les plaques de matière plastique (10) comprennent, sur un côté (10B), une pluralité d'éléments en saillie (9).
  14. Système de revêtement selon la revendication 13, caractérisé en ce que les éléments en saillie (9) sont conçus comme des éléments d'ancrage.
  15. Procédé de revêtement de composants ou d'ouvrages de construction avec des plaques de matière plastique, dans lequel les plaques de matière plastique (10) sont fixées sur le composant ou sur l'ouvrage de construction à une certaine distance de la surface et les plaques de matière plastique fixées au composant ou à l'ouvrage de construction sont soudées ensemble afin de constituer le revêtement, dans lequel, pour la fixation des plaques de matière plastique au composant ou à l'ouvrage de construction, des dispositifs selon l'une des revendications 1 à 9 sont fixés, au moyen d'éléments de fixation (5), au composant ou à l'ouvrage de construction, à une certaine distance entre eux, de façon à ce que les côtés inférieurs (1B) des corps de base (1) soient orientés vers le composant ou l'ouvrage de construction et les côtés supérieurs (1A) des corps de base (1) soient orientés vers les plaques de protection du béton en matière plastique à fixer sur les corps de base et de façon à ce que les plaques de protection du béton en matière plastique (10) soient appuyées, avec le côté inférieur (10B), contre les côtés supérieurs plats (1A) des corps de base (1) et soient soudées avec les corps de base (1), grâce au fait que les éléments adaptés à une soudure par induction (8) des corps de base (1) sont chauffés avec un champ électromagnétique alternatif, dans lequel l'élément adapté à une soudure par induction (8) est porté à une température qui est suffisamment élevée pour faire fondre la matière plastique thermoplastique du corps de base (1), ce qui permet de souder thermiquement la plaque de matière plastique (10) et les corps de base (1).
  16. Procédé selon la revendication 15, caractérisé en ce que, pour la fixation des moyens de fixation (5), des trous (13) espacés entre eux sont percés dans le composant ou l'ouvrage de construction, dans lesquels sont insérées des chevilles (14) et en ce que les corps de base (1) sont fixés, avec des tiges filetées et des écrous ou des vis (6), au composant ou à l'ouvrage de construction, qui sont vissés dans les chevilles (14), dans lequel, pour la compensation des tolérances, avant la fixation des dispositifs au composant ou à l'ouvrage de construction, des pièces d'écartement 15, 16) sont posées entre le composant ou l'ouvrage de construction et le corps de base (1).
  17. Procédé selon la revendication 15 ou 16, caractérisé en ce que l'espace intermédiaire (20) entre les plaques de protection du béton en matière plastique (10) et la surface des composants ou ouvrages de construction est coulé avec une masse de scellement (11).
EP13002705.5A 2013-05-24 2013-05-24 Dispositif de fixation de plaques de matière synthétique sur des constructions ou des éléments de construction et procédé d'habillage d'éléments de construction ou de constructions avec des plaques de matière synthétique Active EP2806083B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP13002705.5A EP2806083B1 (fr) 2013-05-24 2013-05-24 Dispositif de fixation de plaques de matière synthétique sur des constructions ou des éléments de construction et procédé d'habillage d'éléments de construction ou de constructions avec des plaques de matière synthétique
DK13002705.5T DK2806083T3 (da) 2013-05-24 2013-05-24 Indretning til fastgørelse af kunststofplader på bygninger eller komponenter samt fremgangsmåde til beklædning af komponenter eller bygninger med kunststofplader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13002705.5A EP2806083B1 (fr) 2013-05-24 2013-05-24 Dispositif de fixation de plaques de matière synthétique sur des constructions ou des éléments de construction et procédé d'habillage d'éléments de construction ou de constructions avec des plaques de matière synthétique

Publications (2)

Publication Number Publication Date
EP2806083A1 EP2806083A1 (fr) 2014-11-26
EP2806083B1 true EP2806083B1 (fr) 2020-08-26

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EP13002705.5A Active EP2806083B1 (fr) 2013-05-24 2013-05-24 Dispositif de fixation de plaques de matière synthétique sur des constructions ou des éléments de construction et procédé d'habillage d'éléments de construction ou de constructions avec des plaques de matière synthétique

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DK (1) DK2806083T3 (fr)

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Publication number Priority date Publication date Assignee Title
GB2622280A (en) 2022-09-12 2024-03-13 Valro Mfg Limited Membrane anchoring device
GB2631681A (en) 2023-06-06 2025-01-15 James Link Matthew A construction fastener

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