EP1745163B1 - Procede pour produire des objets sanitaires galvanises en matiere plastique - Google Patents

Procede pour produire des objets sanitaires galvanises en matiere plastique Download PDF

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Publication number
EP1745163B1
EP1745163B1 EP06743085A EP06743085A EP1745163B1 EP 1745163 B1 EP1745163 B1 EP 1745163B1 EP 06743085 A EP06743085 A EP 06743085A EP 06743085 A EP06743085 A EP 06743085A EP 1745163 B1 EP1745163 B1 EP 1745163B1
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EP
European Patent Office
Prior art keywords
component
sanitary article
sanitary
water
shower
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EP06743085A
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German (de)
English (en)
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EP1745163A1 (fr
Inventor
Andreas Fath
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Hansgrohe SE
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Hansgrohe SE
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    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/02—Electroplating of selected surface areas
    • C25D5/022—Electroplating of selected surface areas using masking means
    • 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
    • C23C18/16—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 reduction or substitution, e.g. electroless plating
    • C23C18/1601—Process or apparatus
    • C23C18/1603—Process or apparatus coating on selected surface areas
    • C23C18/1605—Process or apparatus coating on selected surface areas by masking
    • 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
    • C23C18/16—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 reduction or substitution, e.g. electroless plating
    • C23C18/1601—Process or apparatus
    • C23C18/1633—Process of electroless plating
    • C23C18/1646—Characteristics of the product obtained
    • C23C18/165—Multilayered product
    • C23C18/1653—Two or more layers with at least one layer obtained by electroless plating and one layer obtained by electroplating
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C25D17/06—Suspending or supporting devices for articles to be coated
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/54—Electroplating of non-metallic surfaces
    • C25D5/56—Electroplating of non-metallic surfaces of plastics
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00—Electroplating characterised by the article coated
    • C25D7/04—Tubes; Rings; Hollow bodies
    • 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
    • C23C18/16—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 reduction or substitution, e.g. electroless plating
    • C23C18/18—Pretreatment of the material to be coated
    • C23C18/1803—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces
    • C23C18/1824—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces by chemical pretreatment
    • 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
    • C23C18/16—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 reduction or substitution, e.g. electroless plating
    • C23C18/18—Pretreatment of the material to be coated
    • C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
    • C23C18/2006—Pretreatment of the material to be coated of organic surfaces, e.g. resins by other methods than those of C23C18/22 - C23C18/30
    • C23C18/2046—Pretreatment of the material to be coated of organic surfaces, e.g. resins by other methods than those of C23C18/22 - C23C18/30 by chemical pretreatment
    • C23C18/2073—Multistep pretreatment
    • C23C18/2086—Multistep pretreatment with use of organic or inorganic compounds other than metals, first
    • 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
    • C23C18/16—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 reduction or substitution, e.g. electroless plating
    • C23C18/18—Pretreatment of the material to be coated
    • C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
    • C23C18/28—Sensitising or activating
    • C23C18/285—Sensitising or activating with tin based compound or composition
    • 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
    • C23C18/16—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 reduction or substitution, e.g. electroless plating
    • C23C18/18—Pretreatment of the material to be coated
    • C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
    • C23C18/28—Sensitising or activating
    • C23C18/30—Activating or accelerating or sensitising with palladium or other noble metal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49428—Gas and water specific plumbing component making
    • Y10T29/49432—Nozzle making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49428—Gas and water specific plumbing component making
    • Y10T29/49432—Nozzle making
    • Y10T29/49433—Sprayer

Definitions

  • the invention relates in the first place to a method for producing sanitary articles made of plastic with galvanically metallized surfaces, a component which can be used in this method and sanitary articles provided with this component.
  • Galvanized plastics d. H. Plastic materials with metallic coatings have become indispensable in the manufacture of sanitary items.
  • the preferred plastic material here is, for example, ABS (acrylonitrile-butadiene-styrene copolymer), which is especially galvanized with chromium as the outermost surface layer.
  • ABS acrylonitrile-butadiene-styrene copolymer
  • the production of galvanized plastic sanitary items is rational and inexpensive to carry out in particular because of unnecessary grinding and polishing effort, as it is necessary for metal bodies. Added to this are the favorable design options resulting from the use of plastic injection technology and a significant reduction in weight compared with sanitary articles with metal bodies.
  • the said galvanized plastic sanitary articles are produced in process steps which are basically known to the person skilled in the art.
  • a pretreatment process is usually necessary in order to render the plastic surface electrically conductive in order to ensure adequate adhesion of the metal layers applied galvanically with current (ie with external current source) to the plastic.
  • all surface areas of the treated article are rendered electrically conductive. This is mainly due to the fact that the treatment solutions used for the electroless pre-treatment have free access to all external and internal surfaces of the article. In the case of sanitary articles, this means that even the water-bearing areas with their corresponding surfaces at least partially become electrically conductive during this pretreatment.
  • the WO 01/31094 A1 proposes to use in the metal coating sealing elements, for example in the form of spherical elements to prevent metal deposition at certain points of the article to be coated, in particular provided there holes or depressions.
  • the sealing elements are intended to prevent the electrolyte used for metal deposition from coming into contact with the corresponding points of the article.
  • WO 03/096859 A2 already proposed to apply a covering or protective layer on at least a part of the surfaces of the sanitary object to the water-carrying areas of the sanitary object in the galvanic metallization with external Disconnect power source from current flow.
  • the corresponding layers consist of a lacquer which is applied in a suitable manner, in particular by printing in the so-called tampon printing process.
  • the preferred tampon printing process is a comparatively sophisticated technique that can only be mastered by qualified personnel.
  • the cover / protective layer must be applied to sanitary objects to relatively complicated geometries, which in turn requires qualified personnel and a lot of time.
  • the paints used for the corresponding layers are complicated to use and sometimes physiologically questionable, so that appropriate precautions must be taken in production.
  • the object of the invention is to make it possible for plastic plumbing articles to have a targeted galvanic metallization (with current flow) only in certain surface areas.
  • the deposition of metals in the water-bearing areas of the sanitary object should be reliably prevented.
  • the process should be as seamless as possible in existing production processes and not affect the quality of the metallization on the decorative surfaces of the sanitary object.
  • the sanitary object before the galvanic metallization with an external power source at least one electrically non-conductive component, which at least partially the water-bearing areas of the sanitary object in the galvanic metallization with the external power source , preferably completely, decoupled from the current flow.
  • said component is designed as a separate component which can be connected to the sanitary article or can interact with it in a comparable manner.
  • the component is in particular designed so that it is reversibly connectable to the sanitary object, d. H. after fulfilling its function in a simple manner can be removed from the sanitary object again.
  • the separate component with the sanitary object is preferably plugged together, in particular in this plugged. This makes it possible to realize the aforementioned reversible connectivity with the sanitary object in a simple manner.
  • the separate component is formed either in the manner of a sleeve. In this way, it can interact with the corresponding water-bearing parts of a sanitary object, which usually have circular cross-sectional areas.
  • the necessary seal between the sleeve-like component and the sanitary object is z. B. achieved by the outer surface of the component or by a section or projection provided there together with the inner surface of the article or there provided (circumferential) notch or groove.
  • at least one sealing element is located in the aforementioned sleeve-like components on the outer circumference of the component, wherein these sealing elements are, in particular, conventional sealing rings.
  • the separate component is preferably at least partially introduced into the sanitary object. This can be realized, for example, by placing the component in a recess or recess provided on the sanitary object, in particular in the manner of a (preferably circumferential) groove.
  • the separate component is annular, which may also be in particular conventional sealing rings here.
  • recesses or openings are provided in the invention in the described component, which can serve different purposes.
  • such recesses or openings serve to receive holding elements for the component, ie. H. those holding elements that are necessary or useful for the function of the component in the galvanic metallization.
  • sanitary articles can be galvanically metallized.
  • Preferred sanitary items are sanitary outlet devices such as fittings, showers, hand showers and the like.
  • these are sanitary items, during their production, the water-carrying parts or areas are injected with the same.
  • the sanitary article which is galvanically metallized according to the invention is a shower or a shower head, preferably a hand shower.
  • the described component is provided at the so-called water inlet and / or at the so-called water outlet.
  • the exact arrangement of the component on the sanitary object will also be explained later in connection with the drawings.
  • the component is preferably formed as a sleeve-like component and then provided on or in the water inlet.
  • the component can also be designed as a sealing ring and then be provided on or preferably in the water inlet.
  • the component is preferably designed as a sealing ring and then provided at the water outlet, or the component is preferably designed as a sleeve-like component and then provided at the water outlet.
  • the component described in connection with the invention is preferably made of plastic.
  • plastic In particular, here PVDF (Polyvinylydenfluorid) or PTFE (polytetrafluoroethylene) come as a plastic used.
  • the sanitary object itself in particular the shower or shower head, made of plastic, wherein preferably a so-called thermoplastic material is used.
  • the sanitary article is made of ABS in these cases.
  • the invention also includes sanitary articles made of plastic, in particular showers or shower heads, which are connected to at least one separate component, which at least partially decouples the water-carrying areas of the sanitary object from the current flow during a galvanic metallization with an external current source.
  • the component can be reversibly connectable to the sanitary object.
  • the component with the sanitary object can be plugged together or inserted into this.
  • sleeve-like components or the described annular components wherein recesses or openings may be provided in the component.
  • the component is, as mentioned, preferably made of plastic, in particular PVDF or PTFE.
  • the sanitary article according to the invention is preferably a hand shower.
  • the sanitary article is preferably made of a thermoplastic material, in particular of ABS.
  • the invention also comprises a goods carrier in the form of a galvanic frame, which is provided according to the invention with at least one of the described sleeve-shaped components.
  • these components can be applied to the goods carrier, ie the electroplating rack, before the sanitary articles to be electroplated are applied.
  • the components can be fastened via the recesses and openings preferably provided there to corresponding holding elements of the goods carrier. In this way, then the sanitary objects directly to the components on the goods carrier attached, for example, inserted into the corresponding openings of a hand shower and also contacted. This facilitates the work processes in the production.
  • the components can then optionally remain on the goods carrier and also be used for the galvanization of other sanitary items.
  • the invention has a number of advantages over the initially described prior art.
  • the decoupling of the water-bearing areas or parts of the sanitary object in the invention is carried out with a component which is either formed on the object or in a simple manner connectable to this.
  • in the invention must not be handled with chemical substances such as paints or the like, so that no corresponding regulations for occupational safety must be complied with.
  • the components described can optionally be removed again in a simple manner from the sanitary object, which is either not possible at all or only with great effort in the application of covering or protective layers. With appropriate design, the components can even be reused after their removal from the sanitary object.
  • a holder of the sanitary object in the galvanic metallization can be provided over the component (see the optionally existing recesses or openings).
  • the invention can be integrated in a special way in processes in which the plastic objects are made conductive by the so-called direct metallization process (see later).
  • the method according to the invention is preferably configured such that the surfaces of the sanitary object are pretreated with external current source prior to the galvanic metallization. This is preferably true for all surfaces.
  • pretreatment steps can be applied, as they are known from the prior art.
  • the pretreatment preferably comprises at least one degreasing or pickling step, in which case in particular a pretreatment with an oxidizing agent should be mentioned.
  • oxidizing agents can be used here, for example potassium permanganate solution, it being possible for different agents to be selected depending on the plastic material used for the sanitary object.
  • Preferred oxidizing agents are acids, in which case a treatment with chromic acid-containing solutions (with or without sulfuric acid) is to be emphasized.
  • the pretreatment with chromic acid-containing solutions is particularly suitable for plastic articles made of ABS.
  • the pretreatment in the inventive method preferably comprises at least one activation step, which usually follows the degreasing or pickling step.
  • the activation can take place in several steps, with activation in two steps being preferred.
  • Activation is carried out according to the invention, in particular a so-called electroless chemical metallization.
  • metals are deposited without external power source of suitable solutions.
  • various procedures are known, which are separated from each other or in combination with each other.
  • solutions for chemical metallization can be used which contain tin or palladium.
  • the solutions preferably contain tin ions, while the palladium may be contained in the solutions in ionic form or else in metallic form (preferably colloidal).
  • the chemical metallization can be carried out with the aid of solutions containing cobalt ions. These cobalt ions are then converted to cobalt sulfide in a second step.
  • Direct metallization means that after pretreatment and activation, an electrolytic layer (under current flow) can be built directly. This reduces the number of production steps and simplifies the process as a whole. Especially when using such direct metallizations method of the invention brings with its component according to the invention additional advantages, since then a total metallization of the water-bearing parts of a sanitary object can be reliably prevented and the process is further simplified on the whole.
  • layers, and in particular outermost cover layers of at least one noble metal or of binary, ternary or quaternary alloys of such metals are applied.
  • noble metals are gold and the metals of the group of the so-called platinum metals.
  • a layer sequence is applied in which this layer sequence terminates with an outermost covering layer of chromium.
  • the advantages of a chromium plating as the outermost cover layer also need not be emphasized and are known in the art. In these embodiments, those are still preferred in which layers of nickel and / or copper are located below the covering layer of chromium.
  • the method according to the invention can be configured in such a way that after the galvanic metallization with external current source, a post-treatment takes place.
  • This aftertreatment preferably relates to all surfaces of the sanitary article.
  • the aftertreatment consists, in particular, of a so-called stripping, in which a conductive layer (metal layers), which is optionally applied by electroless chemical deposition, is removed again.
  • This stripping is preferably carried out by treating the corresponding surfaces with an oxidizing agent, in particular an oxidizing acid.
  • the oxidizing agent may be, in particular, nitric acid or solutions which are, in particular, persulfate or hydrogen peroxide. Stripping preferably removes all metal layers that have not been current deposited.
  • the water-bearing parts of the sanitary object are completely metal-free, so that the disadvantages listed above can not occur.
  • Fig. 1 shows the component 1 in a sectional view.
  • This component is made of PVDF in a conventional manner known to those skilled in the art.
  • the component 1 is designed in the manner of a sleeve with a circular cross-sectional area and has a first section 2, to which a second section 3 immediately adjoins.
  • Section 3 has a circumferential on the outer circumference of the component 1 projection 4, which together with another Projection 5 forms a groove-like recess 6.
  • a sealing element 7 is inserted in the form of a sealing ring, which projects beyond the projections 4 and 5 and thus provides a corresponding sealing surface for the component 1 to the outside.
  • the interaction of the sealing element 7 with the corresponding surfaces of a sanitary object will be described in the following, in connection with Fig. 3 , explained in more detail.
  • section 2 of the component 1 there are two, mutually opposite openings 8 a and 8 b, which can accommodate at least one holding element for the component 1. Again this will be related to the Fig. 3 explained in more detail.
  • the walls of the component 1 are reduced. As a result, the introduction and removal of the component from the corresponding openings of the sanitary article is facilitated by the increased elasticity of the corresponding regions.
  • the component 1 is a separate component. It can be found in the Fig. 3 manner shown cooperate with a sanitary object and take over its function in the galvanic metallization.
  • Fig. 2 shows a further component 1 'in sectional view. Since its structure is similar to the structure of the component 1, reference can be made to the description of the component 1. For reasons of clarity, the same reference numerals have also been used to a large extent.
  • the component 1 ' is also configured in the manner of a sleeve with a circular cross-sectional area.
  • the component 1 ' has a circumferential projection 4 on the outer circumference, which can cooperate sealingly with a corresponding recess on a sanitary object.
  • the sealing function is in spite of dispensing with an additional sealing element 7 against the execution of the component according to Fig. 1 guaranteed. This simplifies the construction and production of the component 1 'relative to the component 1.
  • the component 1 has two, mutually opposite openings 8a and 8b, which can accommodate at least one holding element for the component 1. This can also be explained in the description in connection with the Fig. 3 to get expelled.
  • the wall thickness is also reduced in order to facilitate an increased elasticity for the introduction and removal of the component from the corresponding openings of the sanitary object.
  • Fig. 3 shows a sanitary object according to the invention in the form of a hand shower 11, which in the usual manner known in the art by injection molding, preferably made of ABS. It can be clearly seen the merging water-bearing areas 12a (water chamber) and 12b (water supply channel) with their associated (inner) surfaces. These water-bearing areas are in the functional state of the sanitary object flows through the water / drinking water, in the direction of the water inlet area (water inlet 13) to the water outlet area (water outlet 14).
  • the section 2 of the component 1 with its openings 8a and 8b is according to Fig. 3 out of the water inlet 13 and on the one hand supports the decoupling of the current flow and on the other hand, via the openings 8a and 8b, provides a possibility for holding the component 1 or the hand shower 11 in the galvanic coating itself.
  • This holder is accomplished, for example, by passing one or two support rods through the two opposite openings 8a and 8b, wherein the support rods are preferably provided on a product support for the galvanic coating of the hand shower 11.
  • other support rods in the region of the water outlet 14 can act on the hand shower 11.
  • the hand shower 11, preferably at the water inlet 13 and the water outlet 14, only to be contacted, and the galvanic deposition can begin.
  • Fig. 3 also shows that other constructions of a component for the inventive method are possible.
  • a corresponding Seal be provided in a groove attached there. Then the sealing ring takes over the function of the current decoupling in this groove.
  • Comparable versions can also be realized at the water outlet 14.
  • a hand shower, as in Fig. 3 is shown, made of ABS, z. B. Novodur P2MC (Bayer AG, Germany) or Ronvalin TP55 (BASF AG, Germany) is prior to the entire galvanic treatment with a component, as in Fig. 1 is shown provided.
  • a component as in Fig. 1 is shown provided.
  • the hand shower is fixed on a galvanic frame.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
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  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
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Claims (29)

  1. Procédé de fabrication d'objets sanitaires en matériau synthétique avec des surfaces métallisées par galvanisation, dans lequel l'objet sanitaire, avant la métallisation galvanique avec une source de courant extérieure, présente au moins une pièce électriquement non conductrice, qui découple au moins partiellement du courant électrique les zones guidant l'eau de l'objet sanitaire lors de la métallisation par galvanisation avec une source de courant extérieure, la pièce étant une pièce séparée, qui peut être raccordée à l'objet sanitaire et la pièce étant une pièce de type gaine ou étant réalisée en forme de bague.
  2. Procédé selon la revendication 1, caractérisé en ce que la pièce peut être reliée de manière réversible avec l'objet sanitaire.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que la pièce peut être accouplée avec l'objet sanitaire, de préférence insérée dans l'objet sanitaire.
  4. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est prévu sur la pièce de type gaine au moins un élément d'étanchéité, de préférence un anneau d'étanchéité, disposé à la périphérie extérieure de la pièce.
  5. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que la pièce est au moins partiellement insérable dans l'objet sanitaire, de préférence elle peut être placée dans un creux en forme de rainure prévu sur l'objet sanitaire.
  6. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il s'agit, pour la pièce en forme de bague, d'un anneau d'étanchéité.
  7. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que des évidements ou des ouvertures sont prévu(e)s dans la pièce, en particulier destiné(e)s à recevoir des éléments de fixation pour la pièce.
  8. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il s'agit pour l'objet sanitaire de ce qu'on appelle une douche ou un pommeau de douche, en particulier d'une douchette.
  9. Procédé selon la revendication 8, caractérisé en ce que la pièce est prévue au niveau de ce qu'on appelle l'alimentation d'eau et/ou de ce qu'on appelle la sortie d'eau de la douche ou du pommeau de douche.
  10. Procédé selon la revendication 9, caractérisé en ce que la pièce est réalisée sous forme de pièce de type gaine et prévue au niveau de ou de préférence dans l'alimentation d'eau.
  11. Procédé selon la revendication 9, caractérisé en ce que la pièce est réalisée sous forme d'anneau d'étanchéité et prévue au niveau de ou de préférence dans l'alimentation d'eau.
  12. Procédé selon l'une quelconque des revendications 9 à 11, caractérisé en ce que la pièce est réalisée sous forme d'anneau d'étanchéité et prévue au niveau de la sortie d'eau.
  13. Procédé selon l'une quelconque des revendications 9 à 11, caractérisé en ce que la pièce est réalisée sous forme de pièce de type gaine et prévue au niveau de la sortie d'eau.
  14. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que la pièce est réalisée en matériau synthétique, de préférence en PVDF.
  15. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'objet sanitaire, en particulier la douche ou le pommeau de douche, est réalisé en matériau synthétique thermoplastique, en particulier en ABS.
  16. Objet sanitaire (11) en matériau synthétique, en particulier douche ou pommeau de douche, caractérisé en ce qu'il est assemblé avec au moins une pièce (1) séparée, qui découple au moins partiellement du courant électrique les zones guidant l'eau de l'objet sanitaire lors de la métallisation par galvanisation avec une source de courant extérieure, la pièce étant une pièce de type gaine ou étant réalisée en forme de bague.
  17. Objet sanitaire selon la revendication 16, caractérisé en ce que la pièce peut être reliée de manière réversible avec l'objet sanitaire.
  18. Objet sanitaire selon la revendication 16 ou la revendication 17, caractérisé en ce que la pièce est accouplée avec l'objet sanitaire, la pièce étant de préférence insérée dans l'objet sanitaire.
  19. Objet sanitaire selon l'une quelconque des revendications 16 à 18, caractérisé en ce qu'au moins un élément d'étanchéité (7), de préférence au moins un anneau d'étanchéité, est prévu à la périphérie extérieure de la pièce de type gaine.
  20. Objet sanitaire selon l'une quelconque des revendications 16 à 19, caractérisé en ce que la pièce est placée dans l'objet sanitaire, de préférence dans un creux en forme de rainure prévu sur l'objet sanitaire.
  21. Objet sanitaire selon la revendication 16 à 20, caractérisé en ce que la pièce en forme de bague est un anneau d'étanchéité.
  22. Objet sanitaire selon l'une quelconque des revendications 16 à 21, caractérisé en ce que des évidements ou des ouvertures (8a, 8b) sont prévu(e)s sur la pièce, en particulier destiné(e)s à recevoir des éléments de fixation pour la pièce.
  23. Objet sanitaire selon l'une quelconque des revendications 16 à 22, caractérisé en ce que la pièce est réalisée en matériau synthétique, de préférence en PVDF ou en PTFE.
  24. Objet sanitaire selon l'une quelconque des revendications 16 à 23, caractérisé en ce qu'il s'agit d'une douchette.
  25. Objet sanitaire selon l'une quelconque des revendications 16 à 24, caractérisé en ce que l'objet sanitaire est fabriqué en un matériau synthétique thermoplastique, en particulier en ABS.
  26. Porte-marchandises sous forme de structure de galvanisation, caractérisé en ce qu'il est prévu avec au moins une, de préférence une multitude de pièces, la pièce étant réalisée en un matériau électriquement non conducteur et étant réalisée sous forme d'une gaine.
  27. Porte-marchandises selon la revendication 26, caractérisé en ce que la pièce présente au moins un élément d'étanchéité, de préférence au moins un anneau d'étanchéité (7), disposé à la périphérie extérieure de la pièce.
  28. Porte-marchandises selon la revendication 26 ou la revendication 27, caractérisé en ce que la pièce présente des évidements ou des ouvertures (8a, 8b), en particulier destiné(e)s à recevoir des éléments de fixation pour la pièce.
  29. Porte-marchandises selon les revendications 26 à 28, caractérisé en ce que des éléments de fixation prévus sur le porte-marchandises sont guidés dans des évidements ou des ouvertures prévu(e)s dans la pièce.
EP06743085A 2005-06-03 2006-05-30 Procede pour produire des objets sanitaires galvanises en matiere plastique Not-in-force EP1745163B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005026633A DE102005026633A1 (de) 2005-06-03 2005-06-03 Verfahren zur Herstellung von galvanisierten Sanitärgegenständen aus Kunststoff
PCT/EP2006/005122 WO2006128664A1 (fr) 2005-06-03 2006-05-30 Procede pour produire des objets sanitaires galvanises en matiere plastique

Publications (2)

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EP1745163A1 EP1745163A1 (fr) 2007-01-24
EP1745163B1 true EP1745163B1 (fr) 2011-03-16

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US (1) US8011100B2 (fr)
EP (1) EP1745163B1 (fr)
JP (1) JP2008542538A (fr)
AT (1) ATE502136T1 (fr)
DE (2) DE102005026633A1 (fr)
WO (1) WO2006128664A1 (fr)

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Publication number Priority date Publication date Assignee Title
EP2427588A2 (fr) 2009-05-08 2012-03-14 Grohe AG Accessoires sanitaires
GB2470590B (en) * 2009-05-29 2014-07-23 Astron Advanced Materials Ltd Electrodeposition of elemental zirconium
DE102022104380A1 (de) * 2022-02-24 2023-08-24 Grohe Ag Verfahren zur Herstellung eines Armaturengehäuses für eine Sanitärarmatur und Sanitärarmatur mit einem Armaturengehäuse

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001031094A1 (fr) * 1999-10-29 2001-05-03 Bae Systems Plc Techniques de masquage pour galvanoplastie

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Publication number Priority date Publication date Assignee Title
NL6714122A (fr) * 1967-10-18 1969-04-22
US4275908A (en) * 1979-08-16 1981-06-30 Teledyne Industries, Inc. Fluid coupling assembly
DE4123985C2 (de) * 1991-07-19 1994-01-27 Hoellmueller Maschbau H Vorrichtung zur elektrolytischen Behandlung von Leiterplatten, insbesondere zur elektrolytischen Beschichtung mit Kupfer
DE19510855C2 (de) * 1995-03-17 1998-04-30 Atotech Deutschland Gmbh Verfahren zum selektiven oder partiellen elektrolytischen Metallisieren von Substraten aus nichtleitenden Materialien
DE19619254C1 (de) * 1996-05-13 1997-10-02 Nussbaum Oberflaechentechnik G Maskierungsvorrichtung und zugehöriges Verfahren
DE10223081A1 (de) * 2002-05-17 2003-12-04 Hansgrohe Ag Verfahren zur Herstellung von galvanisierten Sanitärgegenständen aus Kunststoff

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
WO2001031094A1 (fr) * 1999-10-29 2001-05-03 Bae Systems Plc Techniques de masquage pour galvanoplastie

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DE502006009087D1 (de) 2011-04-28
ATE502136T1 (de) 2011-04-15
JP2008542538A (ja) 2008-11-27
US8011100B2 (en) 2011-09-06
EP1745163A1 (fr) 2007-01-24
US20070251826A1 (en) 2007-11-01
DE102005026633A1 (de) 2006-12-28
WO2006128664A1 (fr) 2006-12-07

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