WO2005045144A2 - Corps conducteur d'eau - Google Patents

Corps conducteur d'eau Download PDF

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Publication number
WO2005045144A2
WO2005045144A2 PCT/EP2004/052867 EP2004052867W WO2005045144A2 WO 2005045144 A2 WO2005045144 A2 WO 2005045144A2 EP 2004052867 W EP2004052867 W EP 2004052867W WO 2005045144 A2 WO2005045144 A2 WO 2005045144A2
Authority
WO
WIPO (PCT)
Prior art keywords
water
conducting
fitting
coating
matrix
Prior art date
Application number
PCT/EP2004/052867
Other languages
German (de)
English (en)
Other versions
WO2005045144A3 (fr
Inventor
Bastian Schaefer
Dietmar Lux
Original Assignee
Damixa A/S
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Damixa A/S filed Critical Damixa A/S
Publication of WO2005045144A2 publication Critical patent/WO2005045144A2/fr
Publication of WO2005045144A3 publication Critical patent/WO2005045144A3/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/04—Water-basin installations specially adapted to wash-basins or baths
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
    • C23C18/12—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
    • C23C18/1204—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material inorganic material, e.g. non-oxide and non-metallic such as sulfides, nitrides based compounds
    • C23C18/1208—Oxides, e.g. ceramics
    • C23C18/1212—Zeolites, glasses
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
    • C23C18/12—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
    • C23C18/125—Process of deposition of the inorganic material
    • C23C18/1254—Sol or sol-gel processing
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23D—ENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS
    • C23D5/00—Coating with enamels or vitreous layers

Definitions

  • the invention relates to the field of water-conducting bodies, in particular fittings such as sanitary, kitchen and / or bathroom fittings.
  • the invention further relates to the use of glass-like sol-gel materials for coating such bodies and methods for producing such coatings.
  • Water-conducting bodies for example pipes, are often produced by casting processes.
  • a frequently used material is brass, especially in the manufacture of fittings such as sanitary and bathroom fittings.
  • the undesirable components include heavy metals such as lead, but also zinc, nickel and copper. These may only occur in very low concentrations, especially in drinking water, preferably they should not be contained in drinking water.
  • Numerous solutions have been proposed to prevent undesired components from escaping from water-conducting bodies.
  • a sanitary water valve is known from DE 43 13 439 A1, the outlet of which is coated on the water side with a plastic coating. However, this coating is difficult to produce.
  • Faucets are therefore conventionally subjected to intensive surface cleaning, in the course of which the surfaces in contact with water are cleaned of undesirable constituents and metals are washed out of the water-conducting bodies. This treatment is also complex.
  • the invention is therefore based on the object of specifying a water-conducting body which is to be as simple to manufacture as possible and which reduces or preferably completely prevents the entry of undesired constituents into the water to be conducted.
  • the water-conducting body should be particularly suitable as a water-conducting agent in a fitting, in particular a sanitary, kitchen and / or bathroom fitting, and as a valve insert or element of a valve insert for such a fitting.
  • the object is achieved by a water-conducting body according to claim 1.
  • Such a body can in particular be a pipe, a sanitary device such as a shower cubicle, tile, shower tray, sink, bathtub, toilet and a fitting, in particular a bathroom and / or kitchen fitting, and / or a kitchen appliance such as a pot or a pan be, or part of such a body, for example a valve insert or an element of a valve insert of a fitting.
  • the fitting can in particular be divided into two with separate setting means for independently setting the amount of hot and cold water that is to be dispensed from the fitting.
  • the fitting can also be provided with an electrically, electronically or mechanically operating thermostat. A thermostatically controlled fitting allows the temperature of the water to be dispensed to be set to a preselected setpoint.
  • the valve can be a spherical Have cartridge and / or a disk cartridge, in particular with a ceramic disk and / or ceramic seal or electromagnetically controlled valves.
  • Coatable surfaces of a fitting can in particular be:
  • Connecting pieces in particular those made of brass and those with an at least partially chrome and / or nickel coated surface;
  • Mixing bodies in particular those made of brass and those with an at least partially chromium and / or nickel coated surface;
  • Valve inserts and valve bodies in particular those made of brass and those with an at least partially chrome and / or nickel coated surface;
  • Regulating means in particular as components of a valve, furthermore in particular those made of ceramic, brass, stainless steel, plastic and / or rubber;
  • - Aerators especially those made of brass and those with an at least partially chrome and / or nickel coated surface;
  • Outlets especially those made of brass, stainless steel, plastic and / or rubber.
  • the glass-like composite matrix provided according to the invention can be used in an advantageously simple manner in the form of a seal for the surfaces which come into contact with the water to be conducted, so that the entry of undesired constituents, in particular by diffusion, can be suppressed or completely prevented in the water to be conducted.
  • metal atoms and ions are equally considered to be undesirable metals in water.
  • the coating which acts as a diffusion barrier.
  • a conventional intensive surface cleaning can be omitted.
  • such a coating is simple and inexpensive to produce.
  • the matrix used as a coating is also good to very good resistant to coloring substances, such as coffee, red wine, ink, as well as acids and bases.
  • the coated body can be used in a wide variety of areas, since the matrix is weather-resistant and has a high resistance to climate and UV, in particular a good resistance to temperature changes.
  • the glass-like composite matrix can in particular be produced and constructed in accordance with the principles of chemical nanotechnology.
  • a glass-like composite matrix is understood to mean an inorganic, organic or inorganic-organic matrix which has a glass-like hardness and / or structure.
  • the matrix therefore forms a network with which a covering and / or a coating of a body can be produced.
  • Composite matrices which are nanocomposite materials or contain nanocomposite material are particularly preferred.
  • Matrices which contain hybrid coating materials (hybrid polymers) or generally organic coating materials, for example polymeric coating materials, are particularly preferred.
  • a particularly high wear, water and chemical resistance of the water-conducting body, in particular a fitting, can be achieved by a dense matrix serving as a coating, which is preferably highly inorganic.
  • a dense matrix serving as a coating, which is preferably highly inorganic.
  • the diffusion of undesirable substances into the water side an appropriately coated body can be severely restricted or completely prevented.
  • the matrix is resistant to salt water and chlorinated tap water. It also enables a very firm connection to the body to be coated.
  • the glass-like composite matrix is expediently firmly bound to the substrate of the water-conducting body. This supports the wear resistance of the coated body, in particular against steel wool and sand or abrasives, as are often used for cleaning fittings.
  • the matrices according to the invention can be used to provide customary surfaces of water-conducting bodies, in particular steel such as, for example, stainless steel, copper and alloys, in particular brass and bronze, plastics, ceramics, rubber and painted and / or coated surfaces, in particular those which are provided with chromium, nickel and / or alloys of these metals are coated.
  • the composite matrix can, for example, be applied to a base coating of the water-conducting body.
  • the matrix is preferably applied as a coating to the water-side surface of the body.
  • the matrix can also be attached to another surface of the body, for example on a surface which is on a side of the body remote from the water-side surface, e.g. a tube outside.
  • the coating can be applied simultaneously on the water-side surface and on a further surface, preferably on all surfaces accessible from the outside. In this way, the advantageous properties of the coating according to the invention can benefit both the water to be conducted and the body as such.
  • the matrix can form an externally accessible coating of the water-conducting body, but it can also be wholly or partially be covered by one or more coatings. Its main effect, namely preventing undesired constituents from passing through the matrix, can as a rule also be exerted when it is covered by one or more coatings.
  • the matrix particularly preferably forms at least partially or completely an outer coating of the water-conducting body, it being particularly preferred if the matrix forms a water-side outer coating or at least partially a water-side outer coating of a water-conducting body. In this way, the further advantageous properties of the matrix can be used particularly well.
  • the matrix can therefore be an outer coating, ie an uppermost coating, on the inside of a water-conducting pipe or a fitting.
  • the matrix can preferably be produced in a sol-gel process. This manufacturing process allows the properties of the glass-like matrix to be adjusted in a simple manner.
  • the matrices produced in this way are insensitive to environmental influences, they are durable, hard, scratch-resistant and homogeneous. It is also particularly advantageous that the matrices are corrosion-resistant and that metals offer corrosion protection, in particular aluminum, magnesium and steel.
  • a combination of organic and inorganic building blocks can be used to selectively set materials or surfaces with defined properties.
  • the matrix can also be provided with anti-bacterial properties or with anti-graffiti properties.
  • the matrices or their gel-like precursors can be applied to the body to be coated without great effort and, depending on the type of matrix and the material of the body to be coated, there can be radiation-hardened and / or thermally hardened, for example fired or annealed. It is particularly preferred to thermally harden the matrix at 60 ° C. to 180 ° C. on the body to be coated. In particular in the case of radiation curing, for example using UV and / or IR emitters, curing can also take place at room temperature.
  • the matrix can be produced in a controlled manner in a sol-gel process, a controlled growth and aggregation process of molecular units being a targeted and reproducible representation of multifunctional nanoparticulate systems allowed.
  • the matrices can therefore be glassy-hard to polymer-soft and have adjustable surface properties that range from water-wetting to completely water-repellent. It is also possible to coat the body with a transparent or largely transparent matrix. In this way, the surface texture and / or grain remains visible even after coating.
  • Nanoparticles can also be introduced into the matrix.
  • a nanoparticle-containing matrix also enables a very high abrasion resistance, electrical conductivity, catalytic activity and / or permanent protection against ultraviolet and / or infrared radiation to be achieved.
  • Inhibitors can also be incorporated into the matrix. These enable a further passivation of the matrix surface and thus the surface of the water-conducting body coated with the matrix.
  • Inhibitors can in particular have a depot effect.
  • corrosion inhibitors can be incorporated as part of the matrix.
  • the matrix can be applied in a simple manner to the body to be coated, for example by spraying or roller application or by immersion in a liquid bath. Alternatively or in addition to
  • Inhibitors can also incorporate pigments into the matrix for easy coloring.
  • the glass-like composite matrix can expediently form a coating with a thickness of 1 nm or more, in particular from 10 nm to 50 nm.
  • a body whose coating is hydrophobic and / or oleophobic is particularly preferred.
  • such coatings are easy to clean, since dirt and accompanying substances dissolved in the water hardly adhere to them.
  • they cause a low surface energy of ⁇ 24 mN / m 2 and a contact angle of approx. 110 ° against water and approx. 60 ° against hexadecane.
  • the coated bodies are easy to clean and have non-stick properties.
  • a fitting for dispensing water is also specified, in particular a sanitary, kitchen and / or bathroom fitting, comprising a supply line, a discharge line and a water-conducting means for controllably connecting the supply and discharge lines, which is characterized in that the water-conducting means is a water-conducting body as described above.
  • the inlet and / or outlet is preferably formed in one piece with the fitting.
  • the water-conducting means can in particular be a water-conducting channel of a valve body, a shut-off means for closing such a channel, a valve insert, a valve cartridge and in particular a ceramic cartridge, a sealing element, the water outlet, the valve body itself or another which comes into contact with the water to be conducted Element of a tap or a tap.
  • This fitting realizes the advantages described above associated with the use of the bodies coated according to the invention.
  • the fitting is expediently designed in such a way that all water-conducting means on the water side have a surface which prevents the entry of undesired metals, in particular lead, zinc, nickel and copper ions, into the water to be conducted.
  • these surfaces can be achieved in that the water-conducting means themselves do not contain any diffusible metals, so that no metals can escape from them into the water to be conducted.
  • the water conducting means can consist of plastic, ceramic or the like.
  • at least one water-conducting agent is a water-conducting body according to the invention as described above.
  • This design of the fitting makes it possible to combine the advantages associated with the use of water-conducting bodies according to the invention with the advantages which can be achieved through the use of further materials and components in such a way that the water which can be dispensed from the fitting is permanently protected against the penetration of undesired constituents.
  • fitting is also coated with the glass-like matrix on its outer housing.
  • Such fittings then also have the advantageous properties of the water-conducting body on their outside, in particular they are easy to clean and well protected against wear.
  • a glass-like matrix as a water-side coating of a water-conducting body in order to prevent metals, in particular lead, nickel and copper ions, from escaping from the body.
  • the water-conducting body is a water-conducting means of a fitting, in particular a sanitary, kitchen and / or bathroom fitting, connecting a supply line and a discharge line.
  • hydrophobic and / or oleophobic glass-like matrix for the purposes mentioned, in particular as a water-side coating of a water-conducting body.
  • a silane for producing a glass-like matrix is proposed as a water-side coating of a water-conducting body, in particular a water-conducting means of a fitting that connects a supply line and a discharge line, in particular a sanitary, kitchen and / or bathroom fitting.
  • the water-conducting bodies coated according to the invention can be produced particularly well with silanes.
  • the silane is preferably an alkyl and aryl silane, amino functional silane, epoxy and glycol functional silane, mercapto functional silane, methacrylic functional silane, vinyl functional silane or silicic acid ester.
  • Particularly good glass-like matrices as a water-side coating of a water-conducting body can be produced using fluoroalkylsilane and / or polyfluoroalkylsilane.
  • these silanes can be used to produce the hydrophobic and / or oleophobic coatings in which even a small coating thickness substantially reduces the entry of undesired constituents into the water to be conducted.
  • a method for producing a water-side coating of a water-conducting body comprises the steps: a) hydrolysis and condensation of one or more silanes, one or more alkoxides and one or more metal salts selected from the group consisting of Al, Ce, Ga, Ge, Sn, Ti, Zr, Hf, V, Nb and Ta metal salts with an acid , in particular an organic acid or a mineral acid,
  • step b) applying the reaction product from step a) to the body to be coated, and
  • step c) curing the reaction product from step a) applied in step b).
  • the reaction product from step a) can be applied by any method, in particular by dipping, spraying, brushing, spraying, spinning, polishing, floating and / or by electrostatic application.
  • the hardening is expediently carried out by heating, customary brass fitting bodies preferably being heated at more than 100 ° C., preferably at 120 ° C. to 140 ° C., for 20 minutes or longer.
  • the method enables the production and use of the coated water-conducting bodies described above and the associated advantages.
  • silane or silanes are selected from the group consisting of alkyl and aryl silanes, amino functional silanes, epoxy and glycol functional silanes, mercapto functional silanes, methacrylic functional silanes, vinyl functional silanes and silicic acid esters.
  • silane (s) are selected from the group consisting of fluoroalkylsilanes and polyfluoroalkylsilanes. These silanes permit the production of the hydro- and / or oleophobic coatings and therefore make it possible to achieve the advantages associated with appropriately coated water-conducting bodies.
  • the invention is described below with reference to the figures and examples. Show it:
  • Figure 1 shows a cross section through a coated mixer tap according to the invention.
  • Fig. 3 shows a further cross section through a coated mixer tap according to the invention.
  • the fitting shown in cross section in FIG. 1, namely the mixer tap 1, has a valve insert 20 arranged in the mixer tap base body 10 with two water inlets 21, 22 for hot and cold water.
  • the water inlets 21, 22 open into water-conducting channels 23, 24, which are provided in the form of recesses in the valve insert 20.
  • the water-conducting channels 23, 24 are connected to a movable mixing cartridge 28 via spring-loaded, displaceable seals 25, 26.
  • the mixing cartridge 28 makes it possible to set both the amount and the mixing ratio of the water supplied through the water inlets 21, 22.
  • the mixing cartridge is connected to a control lever 27.
  • the water mixed in the mixing cartridge 28 can exit from the mixing cartridge and the valve insert 20 into a water outlet 30 formed from the base body of the mixer tap 1.
  • the water outlet 3O has an aerator 39 at its end facing away from the valve insert 20.
  • the base body 10 of the mixer tap 1 and the base body of the valve insert 20 are made of brass.
  • the water inlets 21, 22, the water-conducting channels 23, 24, the mixing cartridge 28 and the water outlet 30 are each coated on their water-side surfaces with a glass-like matrix (not shown).
  • the coating is hydrophobic and has a thickness of 20-30 nm.
  • the other elements of the mixer tap 1 that come into contact with the water to be conducted are either made of plastic, are free of unwanted metals such as lead, nickel and copper, or have surfaces that strongly limit or prevent the entry of these metals into the water to be conducted.
  • water enters the valve insert 20 of the mixer tap 1 through the water inlets 21, 22 and is guided through the water-conducting channels 23, 24 to the mixer cartridge 28 and from there through the water outlet 30.
  • the water On the way between the respective water inlet 21, 22 and the mixing cartridge 28 and from there through the water outlet 30 and the aerator 39, the water nowhere comes into contact with the brass material of the base body 10 of the mixer tap 1 or the valve insert 20. This prevents lead, copper and nickel from entering the respective base body into the water.
  • the water-conducting channels are also connected to the mixing cartridge 28 'via movable seals 25', 26 '.
  • the mixing ratio and the amount of water to be mixed can be adjusted with the mixing cartridge 28 'via a control lever 27' connected to it.
  • Water can emerge from the mixing cartridge 28 'into a water outlet 30' attached to the base body 10 of the mixer tap 1 '.
  • the water outlet 30 ' has an aerator 39' at its end facing away from the valve insert 20 '.
  • the water inlets 21', 22 ', the water-conducting channels 23', 24 ', the mixing cartridge 28' and the water outlet 30 ' are each coated on the water side with a hydrophobic glass-like matrix of 20-30 nm in thickness.
  • the remaining elements of the mixer 1 'coming into contact with the water to be conducted are either made of plastic and are free of undesirable metals such as lead, nickel and Copper, or have surfaces that strongly limit or exclude the entry of these metals into the water to be conducted.
  • the water to be conducted nowhere comes into contact with materials from which lead, nickel or copper could penetrate into the water.
  • the mixer tap shown in Fig. 3 differs from that shown in Figs. 1 and 2 in the use of a ceramic cartridge 28 ".
  • the ceramic cartridge has a ceramic base plate and an adjusting plate, each with passages for conducting hot and cold water
  • the mixing ratio of hot and cold water and thus the temperature of the water discharged from the tap can be adjusted by rotating the base and adjusting disc against each other.
  • the elements that come into contact with the water to be conducted are either plastic and are free of unwanted metals such as lead, nickel and copper, or have surfaces which severely limit or exclude the entry of these metals into the water to be conducted, in particular they can be provided with a coating according to the invention.
  • Example 1 Production of an inorganic, glass-like matrix for a water-conducting body
  • Example 2 Production of a hydrophobic inorganic, glass-like matrix for a water-conducting body
  • 20 g of dodecafluoroalkyltriethoxysilane are diluted with 20 g of water and mixed with 10 g of 10% strength by weight formic acid for 30 minutes with vigorous stirring.
  • the resulting gel-like reaction product is applied in an immersion bath to the water-contacting surfaces of a mixer tap base and a valve insert and cured at 120 ° C. for 40 minutes.
  • the result is an inorganic, glass-like matrix with a thickness of 20-30 nm, which prevents the passage of metals or metal ions from the coated base body through the coating and is also easy to clean.
  • Example 3 Production of an inorganic glass-like matrix for a water-conducting body
  • a hydrolysis catalyst consisting of 9 g demineralized water to which 0.08 g phosphoric acid (85%) is added.
  • the hydrolysis catalyst is added dropwise to the solution of the silanes with stirring over a period of 5 minutes, the temperature increasing by about 10 ° C.
  • the product is applied by dipping or flooding onto the surfaces of a mixer body and a valve insert that come into contact with water. Curing takes place at 103 ° C for 30 minutes.
  • a coating with a thickness of 5-25 ⁇ m is created, which prevents metal ions from penetrating into the water from the base body.
  • Example 4 Production of an inorganic vitreous matrix for a water-conducting body 0.1 g of hydrochloric acid (37%) is added to a solution of 40 g of 3-glycidyloxytriethoxysilane, 10 g of tetraethylorthosilicate and 10 g of methyltrimethyoxysilane in 40 g of isopropanol. After a stirring time of 30 minutes, 0.6 g of N-aminoethyl-3-aminopropyltrimethoxysilane (DAMO, from Degussa-Huls) is added and the mixture is stirred for a further 30 minutes.
  • DAMO N-aminoethyl-3-aminopropyltrimethoxysilane
  • the product is applied to the surfaces of a mixer body and a valve insert that come into contact with water by dipping or flooding. Curing takes place at 103 ° C for 30 minutes. A coating with a thickness of 5-25 ⁇ m is created, which prevents metal ions from penetrating into the water from the base body.

Abstract

La présente invention concerne le domaine des corps conducteurs d'eau, notamment les garnitures telles que les garnitures de sanitaires, de cuisine et/ou de salle de bains. La présente invention concerne également l'utilisation de matières sol-gel de type verre pour revêtir de tels corps, ainsi que des procédés pour produire de tels revêtements. Les corps conducteurs d'eau selon cette invention, notamment les garnitures, présentent une protection assurant qu'aucun métal, en particulier du plomb, du cuivre et du nickel, n'apparaisse dans l'eau à conduire.
PCT/EP2004/052867 2003-11-06 2004-11-08 Corps conducteur d'eau WO2005045144A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10351902.5 2003-11-06
DE2003151902 DE10351902A1 (de) 2003-11-06 2003-11-06 Wasserleitender Körper

Publications (2)

Publication Number Publication Date
WO2005045144A2 true WO2005045144A2 (fr) 2005-05-19
WO2005045144A3 WO2005045144A3 (fr) 2005-11-10

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DE (1) DE10351902A1 (fr)
WO (1) WO2005045144A2 (fr)

Cited By (7)

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WO2007060295A1 (fr) * 2005-11-28 2007-05-31 Planar Systems Oy Procede pour empecher la lixiviation metallique du cuivre et de ses alliages
FR2899906A1 (fr) * 2006-04-13 2007-10-19 Eads Ccr Groupement D Interet Utilisation d'un materiau nanostructure, comme revetement protecteur de surfaces metalliques
EP1978055A1 (fr) * 2007-04-06 2008-10-08 European Aeronautic Defence and Space Company EADS France Matériau nanostructuré particulier, comme revêtement protecteur de surfaces métallilques.
US9103701B2 (en) 2010-05-12 2015-08-11 Ifm Electronic Gmbh Assembly for connecting a measuring instrument to a container containing the medium to be measured
FR3037080A1 (fr) * 2015-06-08 2016-12-09 Le Bronze Ind Procede de protection d'un alliage de type cuivre-zinc par procede sol-gel
EP3845609A1 (fr) 2020-01-06 2021-07-07 SUEZ Groupe Revêtement comprenant une matrice sol-gel pour tuyaux dans un réseau de distribution d'eau et procédé correspondant
WO2021151528A1 (fr) * 2020-01-31 2021-08-05 Grohe Ag Partie de corps pour un appareil sanitaire dotée d'une couche de protection contre la corrosion et procédé de fabrication d'une telle partie de corps

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GB1277203A (en) * 1968-06-28 1972-06-07 Dina Schaverien Improvements in and relating to taps for water and other fluids
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WO2007060295A1 (fr) * 2005-11-28 2007-05-31 Planar Systems Oy Procede pour empecher la lixiviation metallique du cuivre et de ses alliages
EP1957722A1 (fr) * 2005-11-28 2008-08-20 Beneq Oy Procede pour empecher la lixiviation metallique du cuivre et de ses alliages
EP1957722A4 (fr) * 2005-11-28 2010-11-24 Beneq Oy Procede pour empecher la lixiviation metallique du cuivre et de ses alliages
FR2899906A1 (fr) * 2006-04-13 2007-10-19 Eads Ccr Groupement D Interet Utilisation d'un materiau nanostructure, comme revetement protecteur de surfaces metalliques
WO2007119023A2 (fr) * 2006-04-13 2007-10-25 European Aeronautic Defence And Space Company - Eads France Utilisation d'un materiau nanostructure, comme revetement protecteur de surfaces metalliques
WO2007119023A3 (fr) * 2006-04-13 2007-12-06 Eads Europ Aeronautic Defence Utilisation d'un materiau nanostructure, comme revetement protecteur de surfaces metalliques
FR2914631A1 (fr) * 2007-04-06 2008-10-10 Eads Europ Aeronautic Defence Materiau nanostructure particulier, comme revetement protecteur de surfaces metalliques.
EP1978055A1 (fr) * 2007-04-06 2008-10-08 European Aeronautic Defence and Space Company EADS France Matériau nanostructuré particulier, comme revêtement protecteur de surfaces métallilques.
US9103701B2 (en) 2010-05-12 2015-08-11 Ifm Electronic Gmbh Assembly for connecting a measuring instrument to a container containing the medium to be measured
FR3037080A1 (fr) * 2015-06-08 2016-12-09 Le Bronze Ind Procede de protection d'un alliage de type cuivre-zinc par procede sol-gel
WO2016198759A1 (fr) * 2015-06-08 2016-12-15 Le Bronze Industriel Procédé de préparation et de revêtement d'une pièce par procédé sol-gel et produit obtenu
EP3845609A1 (fr) 2020-01-06 2021-07-07 SUEZ Groupe Revêtement comprenant une matrice sol-gel pour tuyaux dans un réseau de distribution d'eau et procédé correspondant
WO2021140126A1 (fr) 2020-01-06 2021-07-15 Suez Groupe Revêtement comprenant une matrice sol-gel pour tuyaux dans un réseau de distribution d'eau et procédé correspondant
WO2021151528A1 (fr) * 2020-01-31 2021-08-05 Grohe Ag Partie de corps pour un appareil sanitaire dotée d'une couche de protection contre la corrosion et procédé de fabrication d'une telle partie de corps
CN115038846A (zh) * 2020-01-31 2022-09-09 高仪股份公司 具有防腐蚀层的用于卫生设备配件的壳体件及其制造方法

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