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
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
  • B41M1/00—Inking and printing with a printer's forme
  • B41M1/14—Multicolour printing
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
  • B41M1/00—Inking and printing with a printer's forme
  • B41M1/22—Metallic printing; Printing with powdered inks
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
  • B41M1/00—Inking and printing with a printer's forme
  • B41M1/24—Inking and printing with a printer's forme combined with embossing
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
  • B41M1/00—Inking and printing with a printer's forme
  • B41M1/26—Printing on other surfaces than ordinary paper
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
  • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
  • B41M3/12—Transfer pictures or the like, e.g. decalcomanias
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
  • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
  • B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
  • B41M5/03—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet by pressure
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
  • B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
  • B41M7/0027—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using protective coatings or layers by lamination or by fusion of the coatings or layers
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B44—DECORATIVE ARTS
  • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
  • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
  • B44C1/10—Applying flat materials, e.g. leaflets, pieces of fabrics
  • B44C1/14—Metallic leaves or foils, e.g. gold leaf
• • E—FIXED CONSTRUCTIONS
  • E03—WATER SUPPLY; SEWERAGE
  • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
  • E03C2201/00—Details, devices or methods not otherwise provided for
  • E03C2201/50—Constructional features of escutcheons for domestic plumbing installations

Definitions

• the present invention relates to a sanitary article, in particular a sanitary fitting, with a coated surface.
• the invention further relates to a method for applying a surface coating to a sanitary article.
• Sanitary fittings are usually made of metals such as brass and are surface-chromed for the purpose of corrosion protection.
• the chrome plating creates a uniform, silver-colored, smooth surface and thus also achieves a decorative effect.
• Methods have therefore been developed to coat sanitary objects in a colored manner, for example by painting, electrolyte or powder coating. Coating with powder coating based on thermosetting plastics, which cure at elevated temperatures, is known. In this way, however, there are few options decorative, especially multi-colored design.
• metallic decorations such as gold decorations, which complicates the manufacturing process and makes it expensive.
• the object of the present invention is therefore to provide a sanitary article with a coated surface which, in addition to the protective function, also fulfills decorative and informative functions and is simple and inexpensive to produce.
• a sanitary object in particular a sanitary fitting, with a coated surface, which is characterized in that at least one printed image which is different in color from the coating is arranged on a coating surface and / or under a coating surface.
• the sanitary object or the coated part can essentially consist of a material with good thermal conductivity, in particular of a metallic material.
• the said sanitary object or coated part made of metal, for. B. made of copper alloys or die-cast zinc.
• the metal object can preferably be nickel-plated. In contrast to a chrome-plated surface, the nickel-plated surface is less smooth. This makes it more suitable for a further coating to be applied, for example a lacquer or plastic coating.
• the sanitary object or the printed part can preferably consist of a material which is heat-resistant up to temperatures of 150 ° C., in particular up to 250 ° C.
• the printed image can be a design that contrasts in color with the background, a font, an image, a pattern and / or decor.
• the printed image can preferably be a decor, in particular a planar decor.
• the printed image can preferably be designed as a multi-color print.
• the color print can be applied in the form of a pigmented lacquer coating, for example using organic and / or inorganic pigments.
• the printing color of the printed image can consist of a colored or colored thermosetting material.
• the printing ink of the printed image can consist of a colored or colored thermoplastic material.
• the printed image can advantageously be designed as a metal-containing, for example completely or partially metal-coated or metal-coated, decor.
• Gold can preferably be used as the decorative metal, for example in the form of a gold vapor deposition layer, gold powder or gold leaf.
• the printed image can be designed as a combination of a single or multi-colored print with a metallic printed image.
• a coating layer optionally arranged under the printed image can consist of a baked-on primer.
• a primer layer can preferably be formed from thermosetting material. Epoxy resin in particular is particularly suitable for coatings because of its good mechanical properties. Another polymer material that is particularly suitable for coatings polyester resin. Coatings based on polymers are usually applied in the form of powder coating, which is cured at approx. 180 ° C. In another embodiment, conventional solvent-based lacquers, so-called wet lacquers, can be used as a primer or primer using customary application methods, e.g. B. spraying method can be used.
• a coating cover layer arranged above the printed image can be at least translucent, preferably transparent.
• At least one upper coating layer can advantageously consist of a thermosetting resin, in particular an epoxy resin, preferably an epoxy clear lacquer.
• an upper coating can consist of a thermoplastic resin, in particular a polyester resin, preferably a layer of clear polyester.
• Such a cover layer protects the underlying print image from the effects of aggressive media or mechanical attacks and thus gives it greater durability.
• a top coating is particularly advantageous in embodiments with a thermoplastic material as the printing ink. The optical effect of the printed image is not impaired, especially when using a clear varnish. With this further coating layer, the thickness of the surface coating of the sanitary article is increased overall, so that there is an improved protective coating for the article treated in this way.
• the printed image can be in the form of a thin film, in particular in the form of a tape or strip, which is provided with a top coating.
• An above-mentioned metal-containing print image can advantageously be designed as a film print image.
• the film print image can in particular be a gold-containing film print image, preferably a gold-coated one Be foil tape.
• a thermoplastic polymer film can be used as the film material. With particular advantage, a thermosetting polymer film that has not yet fully cured can also be used as the film material. After the polymer has cured, a permanent coating is obtained which contains the printed image and in which the printed image is covered by the polymer film. If necessary, an additional top coating can be omitted.
• a further clear lacquer layer is applied to the layer containing the metal decor, as described above, in order to further improve the properties of the coated surface.
• the structure of the surface coating can in particular be designed such that the individual layers of the coating are firmly connected to one another at their contact surfaces.
• the individual layers of the coating structure can preferably have layer thicknesses of 10 to 100 ⁇ m.
• a suitable method for applying a printed image to a sanitary object, or to a part thereof, is characterized in that a printed image pre-formed on a carrier is applied to the sanitary object with or without the carrier.
• the printing image can advantageously be applied in a hot stamping process.
• the printed image to be applied is in the form of a thin hot stamping foil with a suitable shape and dimensions.
• the hot stamping process can be used in the coating of sanitary fittings for applying decors of different colors, in particular gold decors.
• a polymer film made of thermoplastic material for example a polyester film, can be used as the carrier film for the printed image.
• a polymer film made of thermosetting material in particular not yet fully cured polymer.
• a paper web provided with the printed image as is known, for example, from thermal transfer printing processes, can be used.
• the sanitary object is advantageously warm during the application of the printed image and preferably has a temperature of at least 100 ° C.
• the sanitary article is first provided with a primer in the form of a powder coating.
• the coating powder is applied to the valve surface, for example electrostatically using a powder gun, without additional heating.
• the powder-coated article is placed in a suitable oven, e.g. B. a tube furnace where the polymer resin powder melts at about 180 ° C and forms a stoving lacquer layer.
• the print image carrier film is removed after the print image colorants have been adhesively bonded to the surface of the object.
• a carrier film can preferably be made of material that can be easily separated from the actual printed image.
• the carrier material is selected in particular so that the carrier web does not adhere to the warm surface of the object to be coated and can be removed without residue.
• a plastic film with a higher melting point than the baking temperature of the coating can advantageously be selected for this purpose, for example a polyester film.
• Further carrier webs preferred for severing can be formed from metal or paper.
• At least one further layer of curable polymer material can be applied in addition to the monochrome or multicolor or metal-containing printed image.
• This additional layer can be transferred with the printed image to the sanitary object to be coated and, depending on its arrangement on the carrier web, forms a layer above and / or below the printed image.
• a thermosetting polymer resin preferably an epoxy resin
• the thermoset layer hardens.
• a cover layer in particular a clear lacquer layer, can be applied to the fitting to be coated at the same time as the printed image as a combined printed image lacquer layer. This saves another step for clear coating.
• the printed image is applied to the sanitary article together with the carrier film and the carrier film is left as a coating on the article.
• a film made of material which is particularly suitable for surface coatings for example made of thermosetting resin, which in particular has not yet been completely cured, can advantageously be used will.
• a film made of thermoplastic resin can be used.
• the polymer layer hardens by heating to 150 to 220 ° C.
• the remaining printed image carrier film can thus form a layer protecting the printed image.
• the applied printed image can advantageously be coated with at least one further coating layer.
• the printed image applied to the sanitary object together with the carrier film can also be coated with a further coating layer.
• a printed image made of colored or colored thermosetting material for example based on an epoxy resin
• a further top layer such as a clear lacquer layer.
• the print image layer After curing at approx. 180 ° C, the print image layer has sufficient resistance to chemical and mechanical attacks. This simplifies the process for the surface coating of a sanitary object by saving the steps for applying the cover layer.
• the total layer thickness of the surface coating of the object can, when using a correspondingly selected thickness of the primer and the printed image, be in the ranges of conventional coating thicknesses.
• primer and / or top coat layers can be applied in the form of a powder coating and cured at temperatures of 150 to 220 ° C.
• This layer application can preferably be carried out as a powder coating by customary methods.
• Thermosetting resins such as epoxy lacquers are particularly suitable as the material for a cover layer Epoxy clear coats.
• Thermoplastic resins such as in particular polyester resins, are also suitable for coatings.
• the topcoat can be applied in the form of a customary solvent-based paint, for example by customary spray processes.
• the sanitary fitting made of nickel-plated brass is subjected to the pretreatment steps customary for metal coating to remove adhering particles and impurities.
• a primer layer in the form of a powder coating layer made of epoxy resin is applied to the cleaned and dry metal surface.
• the powder coating is e.g. B. electrostatically using a powder gun without additional heating. Thereafter, the powder coated article in a conventional oven, for. B. a tube furnace, heated to about 180 ° C, the baking temperature of the thermoset powder, so that a cured paint coating forms during a residence time of about 30 minutes.
• a hot stamping foil printed with a multi-colored decor is placed on the still warm primer-coated fitting and z. B.
• the printed image is in the form of a pigmented lacquer coating based on thermoplastic material on a polyester carrier film.
• the Color material of the printed image adheres due to the heat of the coating surface and the embossing pressure applied to the surface. If the printed image decor is transferred to the sanitary object in this way, the polyester film is pulled off completely.
• a clear coat in the form of a powder coating is applied as a top coat and cured at approx. 180 ° C, in accordance with the procedure for the primer. In this way, a smooth surface coating is formed, which protects the fitting and the decor incorporated in the coating against chemical and mechanical attacks.
• Example 1 In the case of a surface coating as in Example 1, a further colored lacquer coating is first applied to the primer layer. This is followed by the transfer of the printed decor and the top coating in accordance with the procedure described in Example 1.
• the print decor is applied in the form of a pigmented lacquer coating made of thermosetting material to a carrier film made of polyester. After removal of the carrier web as described above, the thermosetting decor is cured by heating to 150 to 220 ° C. and thus forms the cover layer of the coated article.
• a decor is applied to a colored lacquer layer applied as a primer placed in the form of a foil band coated with metallic gold.
• the film consists of a not yet fully cured thermosetting polymer and remains as a coating component on the valve surface. Both the decorative material and the backing film adhere to the surface of the fitting to be coated and are cured together at around 180 ° C to form a lacquer layer.
• the polymer-containing layers combine by melting or sintering.
• the gold decor is thus included in the coating.
• a clear lacquer layer is then applied as a top layer and cured, as described in Example 1.

Landscapes

• Life Sciences & Earth Sciences (AREA)
• Engineering & Computer Science (AREA)
• Hydrology & Water Resources (AREA)
• Public Health (AREA)
• Water Supply & Treatment (AREA)
• Health & Medical Sciences (AREA)
• Application Of Or Painting With Fluid Materials (AREA)
• Laminated Bodies (AREA)
• Absorbent Articles And Supports Therefor (AREA)
• Domestic Plumbing Installations (AREA)
• Orthopedics, Nursing, And Contraception (AREA)
• Chemically Coating (AREA)
• Decoration By Transfer Pictures (AREA)

Applications Claiming Priority (2)

Publications (3)

Family

ID=6483329

Family Applications (1)

Country Status (6)

Cited By (4)

Families Citing this family (4)

Family Cites Families (29)

• 1993
  • 1993-03-20 DE DE4308977A patent/DE4308977A1/de not_active Withdrawn
• 1994
  • 1994-03-16 DE DE59406753T patent/DE59406753D1/de not_active Expired - Fee Related
  • 1994-03-16 AT AT94104038T patent/ATE170136T1/de not_active IP Right Cessation
  • 1994-03-16 DK DK94104038T patent/DK0616905T3/da active
  • 1994-03-16 ES ES94104038T patent/ES2122061T3/es not_active Expired - Lifetime
  • 1994-03-16 EP EP94104038A patent/EP0616905B1/fr not_active Expired - Lifetime
  • 1994-03-18 JP JP6049164A patent/JPH06346492A/ja not_active Withdrawn

Also Published As

Similar Documents

Legal Events