WO2016042390A1 - Coating for protecting metal supports - Google Patents

Coating for protecting metal supports Download PDF

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Publication number
WO2016042390A1
WO2016042390A1 PCT/IB2015/001652 IB2015001652W WO2016042390A1 WO 2016042390 A1 WO2016042390 A1 WO 2016042390A1 IB 2015001652 W IB2015001652 W IB 2015001652W WO 2016042390 A1 WO2016042390 A1 WO 2016042390A1
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WO
WIPO (PCT)
Prior art keywords
layer
coating
support
base
covering
Prior art date
Application number
PCT/IB2015/001652
Other languages
French (fr)
Other versions
WO2016042390A8 (en
Inventor
Stanislas Boulet D'auria
Hacen Slimani
Original Assignee
3X Engineering
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Publication date
Application filed by 3X Engineering filed Critical 3X Engineering
Publication of WO2016042390A1 publication Critical patent/WO2016042390A1/en
Publication of WO2016042390A8 publication Critical patent/WO2016042390A8/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B13/06—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/18—Layered products comprising a layer of metal comprising iron or steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/015—Anti-corrosion coatings or treating compositions, e.g. containing waterglass or based on another metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2202/00—Metallic substrate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2203/00—Other substrates
    • B05D2203/30—Other inorganic substrates, e.g. ceramics, silicon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/52—Two layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/06—Coating on the layer surface on metal layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/28—Multiple coating on one surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B32B2262/0269—Aromatic polyamide fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/106—Carbon fibres, e.g. graphite fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/71—Resistive to light or to UV
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/752—Corrosion inhibitor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2590/00—Signboards, advertising panels, road signs

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Paints Or Removers (AREA)
  • Laminated Bodies (AREA)

Abstract

A coating applied to the base of an embedded metal support (16) intended to protect the support, in particular against corrosion caused by water ingress and comprising a first epoxy resin layer formed from a first part (18) covering the material in which said support is embedded and a second part (20) covering the base of said support, and at least a second elastomeric resin layer entirely covering said first layer, intended to protect said first layer at least against UV radiation. Preferably, a seal that has the function of preventing water ingress at the embedding location is applied at the intersection between the first part (18) and the second part (20) of the first layer.

Description

Revêtement pour la protection des supports métalliques  Coating for the protection of metal supports
Domaine technique Technical area
La présente invention concerne la protection des supports métalliques, notamment en acier, tels que les poteaux métalliques utilisés pour supporter les caténaires servant à l'alimentation électrique placés le long des voies ferrées et concerne en particulier un revêtement pour la protection des supports métalliques.  The present invention relates to the protection of metal supports, especially steel, such as metal poles used to support the catenary power supply placed along the railroad tracks and particularly relates to a coating for the protection of metal supports.
Etat de la technique State of the art
Aujourd'hui, les poteaux métalliques utilisés pour le support des caténaires le long des voies ferrées sont encastrés dans une embase en béton. La longueur de l'encastrement du poteau qui dépend de la taille du poteau est généralement de lm à 1,5m.  Today, the metal poles used for the support of the catenaries along the railways are embedded in a concrete base. The length of the post installation that depends on the size of the post is generally 1m to 1.5m.
En l'absence de protection, la corrosion due à la stagnation de l'eau à l'embase du poteau peut être suffisamment importante pour provoquer la formation d'une fissure qui s'agrandit avec le temps du fait des vibrations dues au vent et au passage des trains. En outre, le vieillissement du béton qui devient poreux n'assure plus le maintien mécanique du poteau. Cette dégradation peut aller jusqu'à provoquer l'effondrement du poteau.  In the absence of protection, corrosion due to water stagnation at the post base can be large enough to cause the formation of a crack that grows with time due to wind-induced vibrations. at the passage of trains. In addition, the aging of the concrete which becomes porous no longer ensures the mechanical maintenance of the post. This degradation can go as far as causing the collapse of the pole.
La figure 1 montre le dispositif utilisé aujourd'hui pour la protection des poteaux supportant les caténaires. Un poteau 10 qui a généralement une section en U ou en H, est protégé à sa base par un surmoulage de béton 12 appelé Dé destiné à éviter la dégradation du poteau. Le Dé, dont la partie supérieure est inclinée pour évacuer l'eau vers l'extérieur, a pour fonction de protéger le poteau contre la corrosion et les chocs dus aux cailloux 14 du ballast.  Figure 1 shows the device used today for the protection of the poles supporting the catenaries. A post 10 which generally has a U-shaped or H-shaped section, is protected at its base by a concrete overmolding 12 called a die intended to avoid the degradation of the post. The Dice, whose upper part is inclined to evacuate the water to the outside, has the function of protecting the post against corrosion and shocks due to pebbles 14 of the ballast.
La forme cubique du Dé et ses dimensions (entre 20 et 30cm) sont destinées à écarter l'eau de l'encastrement. Pour le protéger, le Dé est parfois peint avec une peinture bitumineuse refaite tous les 2 ou 3 ans. The cube shape of the Dice and its dimensions (between 20 and 30cm) are intended to remove the water from the recess. For protect it, the Dice is sometimes painted with a bituminous paint redone every 2 or 3 years.
Malheureusement, après plusieurs décennies, le Dé est souvent recouvert de cailloux du ballast qui sont rajoutés régulièrement pour rehausser la voie qui se tasse, ce qui provoque l'immersion de la base dans le ballast et donc sa corrosion due à l'humidité.  Unfortunately, after several decades, the Dice is often covered with ballast pebbles that are added regularly to enhance the settling lane, causing the base to be immersed in the ballast and thus its corrosion due to moisture.
Exposé de l'invention Presentation of the invention
C'est pourquoi le but de l'invention est de ne pas utiliser de Dé pour la protection d'un poteau, mais de fournir un revêtement appliqué à la base du poteau encastré destiné à assurer la protection du poteau contre la corrosion due à l'infiltration de l'eau à l'endroit de l'encastrement et contre les impacts des cailloux du ballast.  This is why the object of the invention is not to use a die for the protection of a post, but to provide a coating applied to the base of the recessed pole intended to ensure the protection of the post against corrosion due to corrosion. infiltration of water at the installation and against the impacts of ballast pebbles.
L'objet de l'invention est donc un revêtement appliqué à la base d'un support métallique encastré destiné à assurer la protection du support en particulier contre la corrosion due à l'infiltration de l'eau comprenant une première couche en résine époxy formée d'une première partie recouvrant le matériau dans lequel est encastré le support et une seconde partie recouvrant la base du support, et au moins une deuxième couche en résine élastomère recouvrant entièrement la première couche destinée à la protection de la première couche au moins contre les rayons UV. De préférence, un joint qui a pour fonction d'empêcher l'infiltration de l'eau à l'endroit de l'encastrement est appliqué à l'intersection entre la première partie et la seconde partie de la première couche.  The object of the invention is therefore a coating applied at the base of an embedded metal support intended to ensure the protection of the support, in particular against the corrosion due to the infiltration of water, comprising a first epoxy resin layer formed a first portion covering the material in which is embedded the support and a second portion covering the base of the support, and at least a second layer of elastomeric resin completely covering the first layer for protecting the first layer at least against UV rays. Preferably, a seal whose function is to prevent the infiltration of water at the location of the recess is applied to the intersection between the first part and the second part of the first layer.
Description brève des figures Brief description of the figures
Les buts, objets et caractéristiques de l'invention apparaîtront plus clairement à la lecture de la description qui suit faite en référence aux dessins dans lesquels :  The objects, objects and features of the invention will appear more clearly on reading the following description given with reference to the drawings in which:
la figure 1 représente schématiquement la base d'un poteau métallique munie d' un Dé utilisé habituellement pour la protection du poteau, et la figure 2 représente schématiquement la base d' un poteau métallique munie du revêtement qui fait l'objet de l' invention . FIG. 1 schematically represents the base of a metal post equipped with a die usually used for the protection of the post, and 2 schematically shows the base of a metal pole provided with the coating which is the subject of the invention.
Description détaillée de l' invention Detailed description of the invention
En référence à la figure 2, un poteau métallique 16 tel qu'un poteau supportant une caténaire le long d'une voie ferrée, comporte à sa base un revêtement selon l'invention comprenant une première partie 18 recouvrant l'assise en béton dans laquelle a été encastré le poteau 16 et une seconde partie 20 recouvrant la base du poteau sur une hauteur comprise entre 20cm et 50cm.  Referring to Figure 2, a metal post 16 such as a post supporting a catenary along a railway, comprises at its base a coating according to the invention comprising a first portion 18 covering the concrete seat in which was embedded pole 16 and a second portion 20 covering the base of the pole on a height between 20cm and 50cm.
A noter que la partie 18 du revêtement recouvre de préférence l'assise en béton dans laquelle est encastré le poteau 16. Bien que sur la figure, la partie 18 a une forme rectangulaire, elle pourrait avoir tout autre forme dépendant de la forme de l'assise en béton.  Note that the portion 18 of the coating preferably covers the concrete seat in which is embedded the pole 16. Although in the figure, the portion 18 has a rectangular shape, it could have any other form depending on the shape of the concrete seat.
Le revêtement qui fait l'objet de l'invention comprend au moins deux couches. La première couche est un matériau isolant ayant pour fonction d'empêcher la corrosion du poteau à proximité de son encastrement et d'empêcher l'infiltration de l'eau dans le béton et donc de protéger le bas du poteau.  The coating which is the subject of the invention comprises at least two layers. The first layer is an insulating material whose function is to prevent corrosion of the pole near its embedment and prevent the infiltration of water into the concrete and thus protect the bottom of the pole.
La première couche est une couche anticorrosion traditionnelle telle qu'une résine de type époxy, polyuréthanne ou autre, appliquée à l'aide d'un pinceau ou par projection avec un pistolet à peinture.  The first layer is a traditional anticorrosive layer such as epoxy resin, polyurethane or other, applied with a brush or spray with a spray gun.
La deuxième couche qui recouvre la première couche comporte également une première partie horizontale 18 et une seconde partie verticale 20 à la base du poteau 16. C'est une couche en résine élastomère, de préférence de type silicone. Elle a une double fonction, d'une part de protéger la première couche contre les impacts dus aux cailloux du ballast, et d'autre part de protéger la première couche contre les rayons UV.  The second layer which covers the first layer also has a first horizontal portion 18 and a second vertical portion 20 at the base of the pole 16. It is a layer of elastomeric resin, preferably silicone type. It has a dual function, on the one hand to protect the first layer against impacts due to ballast pebbles, and on the other hand to protect the first layer against UV rays.
La surface de la première couche qui est, de préférence, en résine époxy, peut ne pas être lisse mais plutôt granuleuse. C'est pourquoi, un mode de réalisation consiste à appliquer une couche intermédiaire par dessus la première couche dans le but de ragréer ou lisser la surface pour ainsi faciliter l'application de la deuxième couche. Cette couche intermédiaire est un tissu de fibres telles que des fibres de verre ou des fibres de carbone ou encore des fibres de Kevlar. The surface of the first layer which is preferably made of epoxy resin may not be smooth but rather grainy. Therefore, one embodiment is to apply an intermediate layer over the first layer for the purpose of patching or smoothing the surface to thereby facilitate the application of the second layer. This intermediate layer is a fabric of fibers such as glass fibers or carbon fibers or Kevlar fibers.
A noter que, comme toutes les matières plastiques, cette deuxième couche est dégradée par les rayons UV. Il est donc indispensable de la remplacer ou de la recouvrir d'une couche identique lorsqu'elle est dégradée et ne remplit plus son rôle de protection de la première couche contre les rayons UV.  Note that, like all plastics, this second layer is degraded by UV rays. It is therefore essential to replace or cover it with an identical layer when it is degraded and no longer fulfills its role of protecting the first layer against UV rays.
A noter que le revêtement selon l'invention peut comporter, dès son application, une troisième couche de même composition que la deuxième couche et ayant les mêmes fonctions .  Note that the coating according to the invention may comprise, from its application, a third layer of the same composition as the second layer and having the same functions.
Dans un mode de réalisation préférentiel, le revêtement selon l'invention comporte un joint à l'intersection entre la première partie 18 et la seconde partie 20 de la première couche. Ce joint en résine polymère souple a pour fonction d'empêcher l'infiltration de l'eau à l'endroit de 1' encastrement .  In a preferred embodiment, the coating according to the invention comprises a seal at the intersection between the first portion 18 and the second portion 20 of the first layer. This flexible polymeric resin seal serves to prevent the infiltration of water at the location of the embedding.
Bien que l'invention' décrite ci-dessus concerne un poteau métallique dont la base est encastrée dans une assise en béton et qui est destinée à supporter une caténaire, elle pourrait concerner tout type de support encastré dans n' importe quel matériau . Although the invention 'described above relates to a metal pole whose base is embedded in a concrete foundation and which is for supporting a catenary, which could involve any type of flush medium in any other unknown material.
Ainsi, le revêtement selon l'invention peut s'appliquer à un support quelconque qui n'est pas un poteau vertical, mais à une poutre encastrée. De même, les compositions des couches composant le revêtement peuvent être différentes de celles décrites dans le mode de réalisation de l'invention dans la mesure où ces compositions sont équivalentes et remplissent les mêmes fonctions.  Thus, the coating according to the invention can be applied to any support which is not a vertical pole, but to a built-in beam. Similarly, the compositions of the layers comprising the coating may be different from those described in the embodiment of the invention insofar as these compositions are equivalent and fulfill the same functions.

Claims

REVENDICATIONS
1. Revêtement appliqué à la base d'un support métallique encastré (16) destiné à assurer la protection dudit support en particulier contre la corrosion due à l'infiltration de l'eau comprenant : 1. Coating applied at the base of an embedded metal support (16) for protecting said support in particular against corrosion due to infiltration of water comprising:
une première couche anticorrosion, notamment en résine de type époxy formée d'une première partie (18) recouvrant le matériau dans lequel est encastré ledit support et une seconde partie (20) recouvrant la base dudit support, et  a first anticorrosive layer, in particular epoxy-type resin formed of a first portion (18) covering the material in which said support is embedded and a second portion (20) covering the base of said support, and
au moins une deuxième couche en résine élastomère recouvrant entièrement ladite première couche destinée à la protection de ladite première couche au moins contre les rayons UV.  at least a second elastomeric resin layer completely covering said first layer intended to protect said first layer at least against UV rays.
2. Revêtement selon la revendication 1, comprenant une couche intermédiaire entre ladite première couche et ladite deuxième couche ayant pour but de ragréer ou lisser la surface de ladite première couche et ainsi faciliter l'application de ladite deuxième couche, cette couche intermédiaire étant un tissu de fibres telles que des fibres de verre, des fibres de carbone ou des fibres de Kevlar.  2. The coating of claim 1, comprising an intermediate layer between said first layer and said second layer intended to patch or smooth the surface of said first layer and thus facilitate the application of said second layer, this intermediate layer being a fabric. fibers such as glass fibers, carbon fibers or Kevlar fibers.
3. Revêtement selon la revendication 1 ou 2, dans lequel le matériau dans lequel est encastré le support métallique est du béton.  3. The coating of claim 1 or 2, wherein the material in which is embedded the metal support is concrete.
4. Revêtement selon la revendication 1, 2 ou 3 Comportant en outre un joint en polymère adhésif et souple appliqué après l'application de ladite première couche à l'intersection entre ladite première partie (18) et ladite seconde partie (20).  The coating of claim 1, 2 or 3 further comprising an adhesive and flexible polymer seal applied after the application of said first layer at the intersection between said first portion (18) and said second portion (20).
5. Revêtement selon l'une des revendications 1 à 4, dans lequel ladite première couche est en résine époxy.  5. The coating according to one of claims 1 to 4, wherein said first layer is epoxy resin.
6. Revêtement selon l'une des revendications 1 à 5, dans lequel ladite deuxième couche est en résine élastomère.  6. The coating according to one of claims 1 to 5, wherein said second layer is elastomeric resin.
7. Revêtement selon la revendication 6, dans lequel ladite résine élastomère est une résine de silicone. The coating of claim 6, wherein said elastomeric resin is a silicone resin.
8. Revêtement selon l'une des revendications 1 à 7, comportant une troisième couche de même composition que ladite deuxième couche et ayant les mêmes fonctions. 8. The coating according to one of claims 1 to 7, comprising a third layer of the same composition as said second layer and having the same functions.
9. Revêtement selon l'une des revendications 1 à 8, appliqué à la base d'un poteau, notamment un poteau supportant une caténaire le long d'une voie ferrée.  9. Coating according to one of claims 1 to 8, applied to the base of a pole, including a pole supporting a catenary along a railway track.
10. Revêtement selon la revendication 9, dans lequel ladite deuxième couche est destinée à assurer la protection dudit poteau contre les impacts des cailloux du ballast.  10. The coating of claim 9, wherein said second layer is intended to ensure the protection of said post against the impacts of ballast pebbles.
PCT/IB2015/001652 2014-09-15 2015-09-17 Coating for protecting metal supports WO2016042390A1 (en)

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MCMC2604 2014-09-15
MC2604 2014-09-15
MC2604A MC200163B1 (en) 2014-09-15 2014-09-15 COATING FOR THE PROTECTION OF METALLIC SUPPORTS

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107151508A (en) * 2017-05-31 2017-09-12 安庆永大体育用品有限公司 A kind of sled surface coating and preparation method thereof

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EP1657325A1 (en) * 2004-11-04 2006-05-17 Nippon Steel Corporation Steel post embedded in the ground having corrosion control property
US20100083547A1 (en) * 2008-10-07 2010-04-08 Phil Cowen Method for Beautifying and Extending the Life of Sign Posts
CA2678287A1 (en) * 2009-09-09 2011-03-09 Harry Lowe Protective covering for wooden utility poles and method of installation
JP2011058185A (en) * 2009-09-07 2011-03-24 Nippon Steel Engineering Co Ltd Corrosion preventive steel structure and corrosion preventive method for steel structure

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Publication number Priority date Publication date Assignee Title
EP1657325A1 (en) * 2004-11-04 2006-05-17 Nippon Steel Corporation Steel post embedded in the ground having corrosion control property
US20100083547A1 (en) * 2008-10-07 2010-04-08 Phil Cowen Method for Beautifying and Extending the Life of Sign Posts
JP2011058185A (en) * 2009-09-07 2011-03-24 Nippon Steel Engineering Co Ltd Corrosion preventive steel structure and corrosion preventive method for steel structure
CA2678287A1 (en) * 2009-09-09 2011-03-09 Harry Lowe Protective covering for wooden utility poles and method of installation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107151508A (en) * 2017-05-31 2017-09-12 安庆永大体育用品有限公司 A kind of sled surface coating and preparation method thereof

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WO2016042390A8 (en) 2016-10-20

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