EP0277495B1 - Procédé pour la fabrication de motifs décoratifs ou informatifs sur des objets composés de tôles avec un ou éventuellement plusieurs revêtements - Google Patents

Procédé pour la fabrication de motifs décoratifs ou informatifs sur des objets composés de tôles avec un ou éventuellement plusieurs revêtements Download PDF

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Publication number
EP0277495B1
EP0277495B1 EP88100337A EP88100337A EP0277495B1 EP 0277495 B1 EP0277495 B1 EP 0277495B1 EP 88100337 A EP88100337 A EP 88100337A EP 88100337 A EP88100337 A EP 88100337A EP 0277495 B1 EP0277495 B1 EP 0277495B1
Authority
EP
European Patent Office
Prior art keywords
aluminium alloy
bath
layers
layer
process according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP88100337A
Other languages
German (de)
English (en)
Other versions
EP0277495A1 (fr
Inventor
Hermann Ritzenhoff
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HERMANN RITZENHOFF Firma
Original Assignee
HERMANN RITZENHOFF Firma
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 HERMANN RITZENHOFF Firma filed Critical HERMANN RITZENHOFF Firma
Publication of EP0277495A1 publication Critical patent/EP0277495A1/fr
Application granted granted Critical
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F3/00—Electrolytic etching or polishing
    • C25F3/16—Polishing
    • C25F3/18—Polishing of light metals
    • C25F3/20—Polishing of light metals of aluminium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C3/00—Processes, not specifically provided for elsewhere, for producing ornamental structures
    • B44C3/005—Removing selectively parts of at least the upper layer of a multi-layer article
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F3/00—Electrolytic etching or polishing
    • C25F3/02—Etching
    • C25F3/14—Etching locally

Definitions

  • the invention relates to a method according to the preamble of claim 1 and assumes that sheets can be clad together primarily in the rolling process. This creates a new material made up of two or more layers.
  • This known method is based on the problem of providing the surface of a clad object with a material layer made of aluminum and a material layer made of stainless steel with a colored pattern.
  • the surface of the material layer made of stainless steel to be patterned is coated with a corrosion-resistant film which has the pattern in the form of holes in the film.
  • the surface covered with the film is then etched and polished electrolytically, the outer layer of material being removed during the etching so that the inner layer of material is exposed. Then the exposed inner layer of material is covered with a colored layer, creating the desired pattern.
  • the invention has for its object to develop a method of the type mentioned in such a way that a decorative or informative pattern can be created without additional coating.
  • cladding layers made of aluminum of different composition and different purity can produce decorative or informative patterns of various types by surface treatment in a single treatment bath due to the different reactivity of the layers. It has been found that when aluminum alloys are used as the material for the plating layers, even slightly different compositions result in decorative or informative patterns, even though only one treatment bath is used. This is due to the different reactivity of the individual material layers to the treatment bath.
  • the outer plating layer can be exposed or removed by chemical or mechanical means.
  • the use of one and the same treatment bath, to which the individual plating layers react differently, is essential for achieving the desired effect.
  • use is made of the different response of the differently composed cladding layers to one and the same treatment bath to achieve contrasting effects in the raised and lower layers.
  • Cladding, decorative caps or similar parts are made from two different aluminum alloys made of clad sheets by cold forming, e.g. for cosmetic products formed.
  • a high-gloss layer is provided on the outside and a less-gloss layer is provided on the inside.
  • parts of the outer layer are removed in accordance with the patterns by methods known per se, so that articles are formed whose outer surface is interrupted by the lower-lying surface with a different material composition. If such an article is now placed in a surface treatment bath and there e.g.
  • the result of the treatment in one and the same bathroom are high-gloss and matt-looking surfaces, in the aforementioned case the high-gloss coating on the outside and the matt coating on the inside.
  • Such effective differences are very desirable for many ornamental devices, decorative or informative or advertising parts as well as handicraft objects and information signs of all kinds.
  • a particular advantage of the claimed method of working is that the individual articles can be finished very economically in one process.
  • chemical and electrolytic gloss processes can be used, which can be carried out in one and the same bath due to the different material layers, e.g. lead on the one hand glossy or on the other hand completely matt or only differently shiny surfaces.
  • the individual plating layers can e.g. consist of aluminum of different purity, for example an aluminum material with between 99.8 and 99.99% Al on the outside (remainder impurities in the form of Fe, Si, Mn and other metals) and an inside with between 99.0 and 99, 5% Al (rest impurities in the form of Fe, Si, Mn and other metals).
  • the removal can take place mechanically or chemically. Burning out with the help of laser beams represents a special form of recess. This makes it possible to preprogrammed characters or figures of all kinds from the outside, e.g. later burn out the high-gloss plating layer.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating Methods And Accessories (AREA)
  • ing And Chemical Polishing (AREA)

Claims (5)

1. Procédé de réalisation de motifs décoratifs ou d'information sur des objets constitués par des tôles plaquées ensemble simplement ou, le cas échéant, de façon multiple, dans lequel la couche extérieure de placage est enlevée en formant le motif désiré, jusqu'à au moins une des couches de placage situées plus bas, l'objet étant ensuite traité pour obtenir des surfaces différentes, caractérisé en ce qu'on utilise pour l'objet des couches de placage en alliages d'aluminium de compositions différentes et en ce que l'objet est traité, après enlèvement de la couche extérieure de placage, dans un seul et même bain de traitement de surface, auquel la couche extérieure et les couches internes d'alliages d'aluminium réagissent de manière différente.
2. Procédé selon la revendication 1, caractérisé en ce que le bain de traitement de surface est un bain de brillantage, un bain de gravure chimique ou un bain de mordançage, donnant aux couches d'alliages d'aluminium un aspect de surface différent.
3. Procédé selon la revendication 1 ou 2, caractérisé en ce que la couche extérieure d'alliage d'aluminium est enlevée mécaniquement.
4. Procédé selon la revendication 1 ou 2, caractérisé en ce que la couche extérieure d'alliage d'aluminium est enlevée par voie chimique.
5. Procédé selon la revendication 1 ou 2, caractérisé en ce que la couche extérieure d'alliage d'aluminium est enlevée à l'aide de rayons laser.
EP88100337A 1987-01-20 1988-01-12 Procédé pour la fabrication de motifs décoratifs ou informatifs sur des objets composés de tôles avec un ou éventuellement plusieurs revêtements Expired - Lifetime EP0277495B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873701456 DE3701456A1 (de) 1987-01-20 1987-01-20 Verfahren zur herstellung von dekorativen oder informativen musterungen an gegenstaenden, die aus einfach oder gegebenenfalls mehrfach plattierten blechen gebildet wurden
DE3701456 1987-01-20

Publications (2)

Publication Number Publication Date
EP0277495A1 EP0277495A1 (fr) 1988-08-10
EP0277495B1 true EP0277495B1 (fr) 1990-10-24

Family

ID=6319113

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88100337A Expired - Lifetime EP0277495B1 (fr) 1987-01-20 1988-01-12 Procédé pour la fabrication de motifs décoratifs ou informatifs sur des objets composés de tôles avec un ou éventuellement plusieurs revêtements

Country Status (5)

Country Link
US (1) US4786362A (fr)
EP (1) EP0277495B1 (fr)
JP (1) JPS63192880A (fr)
DE (2) DE3701456A1 (fr)
ES (1) ES2016236B3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3843435A1 (de) * 1988-12-23 1990-06-28 Messerschmitt Boelkow Blohm Verfahren zur herstellung eines dekorativen reliefs
US5817243A (en) * 1996-10-30 1998-10-06 Shaffer; Wayne K. Method for applying decorative contrast designs to automotive and motorcycle parts using lasers
FR2806936B1 (fr) * 2000-04-03 2002-10-18 Oreal Article decore par un faisceau laser et procede pour le decor d'un tel article
DE10049579B4 (de) * 2000-10-06 2006-09-14 Audi Ag Verfahren zur Herstellung einer dekorativen Oberfläche
US20060048371A1 (en) * 2004-09-07 2006-03-09 Chung-He Li Method for manufacturing of a stainless steel product having patterns and drawings thereon

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1862231A (en) * 1928-06-22 1932-06-07 Wadsworth Watch Case Co Decorating base metals or alloys of base metals
US2354756A (en) * 1940-09-25 1944-08-01 Keuffel & Esser Co Measuring tape
US2731333A (en) * 1954-05-13 1956-01-17 Komak Inc Method of forming ornamented surfaces
US3197391A (en) * 1964-06-18 1965-07-27 Fredrick H Bowers Method of etching aluminum
US3503815A (en) * 1968-05-27 1970-03-31 Robert M Johnson Method of producing a multi-colored metal design on an arcuate metal base
CH522516A (fr) * 1970-03-25 1972-06-30 Metaux Precieux Sa Procédé pour décorer la surface d'un objet métallique
US3839163A (en) * 1971-08-31 1974-10-01 Riken Light Metal Ind Co Process for forming on an aluminum surface a colored design
JPS5028451A (fr) * 1973-07-16 1975-03-24
CH583302A5 (fr) * 1974-10-22 1976-12-31 Bloesch W Ag
JPS5220940A (en) * 1975-08-12 1977-02-17 Mitsubishi Rayon Co Process for painting alumite products
JPS54148145A (en) * 1978-05-13 1979-11-20 Citizen Watch Co Ltd Hard armour parts for watch and production thereof
JPS6042566B2 (ja) * 1978-06-26 1985-09-24 鐘淵化学工業株式会社 電気用積層絶縁板または金属箔張り積層板を連続的に製造する方法
US4242378A (en) * 1979-03-29 1980-12-30 Reiko Co., Ltd. Method of making a decorated film with a metal layer in the form of a given pattern
JPS57110668A (en) * 1980-12-29 1982-07-09 Pilot Pen Co Ltd:The Method for etching and patterning of extruded profile of aluminum or its alloy
JPS5923874A (ja) * 1982-07-30 1984-02-07 Mitsubishi Alum Co Ltd アルミニウム合金の模様形成法
US4543153A (en) * 1984-05-17 1985-09-24 Psi Star Process and apparatus for etching copper masked by a nickel-gold mask

Also Published As

Publication number Publication date
EP0277495A1 (fr) 1988-08-10
US4786362A (en) 1988-11-22
ES2016236B3 (es) 1991-07-16
JPS63192880A (ja) 1988-08-10
DE3701456A1 (de) 1988-07-28
DE3860834D1 (de) 1990-11-29
ES2016236A4 (es) 1990-11-01

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