EP1813441B2 - Büro- oder Kosmetikartikel aus einem Magnesiumwerkstoff - Google Patents

Büro- oder Kosmetikartikel aus einem Magnesiumwerkstoff Download PDF

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Publication number
EP1813441B2
EP1813441B2 EP06001569A EP06001569A EP1813441B2 EP 1813441 B2 EP1813441 B2 EP 1813441B2 EP 06001569 A EP06001569 A EP 06001569A EP 06001569 A EP06001569 A EP 06001569A EP 1813441 B2 EP1813441 B2 EP 1813441B2
Authority
EP
European Patent Office
Prior art keywords
metal
magnesium material
oxide
layer
office
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.)
Not-in-force
Application number
EP06001569A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1813441B1 (de
EP1813441A1 (de
Inventor
Fritz Lüttgens
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.)
KUM Ltd
Original Assignee
KUM Ltd
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=36617075&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1813441(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by KUM Ltd filed Critical KUM Ltd
Priority to DE502006001234T priority Critical patent/DE502006001234D1/de
Priority to EP06001569A priority patent/EP1813441B2/de
Priority to PL06001569T priority patent/PL1813441T3/pl
Priority to US11/698,313 priority patent/US20070172679A1/en
Publication of EP1813441A1 publication Critical patent/EP1813441A1/de
Publication of EP1813441B1 publication Critical patent/EP1813441B1/de
Application granted granted Critical
Publication of EP1813441B2 publication Critical patent/EP1813441B2/de
Not-in-force legal-status Critical Current
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Classifications

    • 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
    • C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L23/00—Sharpeners for pencils or leads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L23/00—Sharpeners for pencils or leads
    • B43L23/08—Sharpeners for pencils or leads in which the pencils or leads are sharpened mainly by rotational movement against cutting blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L7/00—Straightedges
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes

Definitions

  • the invention relates to an office or cosmetic article made of a magnesium material.
  • the invention relates to a sharpener body, a ruler or a cosmetic container made of a magnesium material.
  • Office supplies and cosmetics such as in particular a sharpener body, a ruler or a cosmetic container made of a magnesium material are known in principle.
  • a magnesium material is used as a material due to its easy machinability and low density.
  • a magnesium material is understood here to mean both a magnesium alloy and pure magnesium.
  • magnesium alloys as alloying components usually contain small additions of aluminum, manganese, zinc, copper and / or nickel.
  • a cosmetic container made of a magnesium alloy containing preferably 9% aluminum, 2% zinc and 0.2% manganese is known.
  • the proposed magnesium alloy is intended to enable a shape-consuming design of the cosmetic container with a simultaneously thin-walled design.
  • a ruler with a recessed edge is indicated. Due to the recessed edge, in particular abrasion of a pencil lead, which moves away from the edge of the ruler for the purpose of line management, is avoided.
  • the proposed ruler is preferably made of a light metal, such as a magnesium or aluminum alloy.
  • a magnesium material shows an undesirable tendency to oxidize. Over time, this leads to undesirable color changes and, in particular, unsightly efflorescence in office articles made from a magnesium material. In order to prevent this it is known, for example, to seal the surface of such office products made of a magnesium material with a lacquer. (see. DE-A-10127770 ).
  • Protective layers for magnesium materials are also in the publication "Protective Coatings on Magnesium and Its Alloys - a Critical Review" - Journal of Alloys and Compounds, 336, 2002, pages 88 ff ., Elseview Science Verlag.
  • An aluminum alloy does not represent an equivalent alternative to a magnesium material in a mass-produced article such as an office article, since an aluminum alloy can be machined much less easily. This leads to intolerable additional costs.
  • the use of an alloy suitable for a casting process, for example of iron, instead of a magnesium material is not a cheap alternative, since the necessary molds are expensive and also have only a limited life. For deburring and surface finishing, castings also require a reworking process.
  • an office or cosmetics article of a magnesium material such as in particular a sharpener body or a ruler, which has an inorganic and chemical tethered protective layer comprising at least one element which is selected from the group comprising the metals of the main groups III, IV, V and VI and the subgroups Ib, IVb, Vb, VIb, VIIb and VIIIb of the Periodic Table of the Elements and oxides, ceramics, nitrides, carbides, silicides and borides thereof.
  • the magnesium material office supplies as. Metal an aluminum, a titanium or a vanadium and applied as metal oxide, an aluminum oxide, a titanium oxide or a vanadium oxide.
  • a protective layer makes it possible to produce an office article in the usual way by machining a magnesium material and then giving it the appearance of a metal oxide, matt, glossy surface.
  • the corrosion protection of the magnesium material is controlled by a defined adjustment of the thickness of the metal oxide layer.
  • the applied metal layer can be anodized, whereby a certain color is possible.
  • the surface of the office article generally needs to be cleaned from the oxide layer formed by the magnesium material. This can be done, for example, by dipping the office article in a suitable acid, such as in particular acetic acid or nitric acid. Subsequently, the office or cosmetic articles can be rinsed and the metallic surface applied, for example, by reductive or electrolytic deposition of metal cations. Instead of an acid, the oxide layer can also be removed by a solution of a suitable metal salt.
  • a suitable acid such as in particular acetic acid or nitric acid.
  • a protective layer comprising a first layer of metal and a second layer of metal oxide is applied in one operation by immersing the office or cosmetics article in a solution of a metal salt of a suitable pH. It has been found that in a first step by an appropriate acid, an existing oxide layer is removed from the magnesium material: As soon as magnesium is exposed, the metal precipitates thereon from the solution. The applied metal is then oxidized again in the sense of an anodization by a suitable oxidizing agent or by an oxidizing counteranion. Thus, it is possible in a single step to provide the made of a magnesium material office supplies with a permanent protective layer of a metal and a metal oxide.
  • the invention is based on the consideration that a lacquer for sealing the surface of an office article made of a magnesium material does not have sufficient bonding to the magnesium material. Especially in an office use in constant use, this leads in particular to heavily used areas to rapid abrasion or bursting of the paint layer, so that the office article is overall unsightly and also the now exposed magnesium material in turn tends to oxidation.
  • the invention now proceeds in a further step from the recognition that a chemical attachment is associated with stronger binding forces than a physical attachment.
  • a lacquer layer adheres to a body in particular by adhesion and / or by microscopic positive connection.
  • the disadvantages associated with this physical connection are overcome by the fact that the office article made of a magnesium material obtains a protective layer of an inorganic composition that is chemically connectable to the magnesium material.
  • the invention has the further advantage that the chemically bonded protective layer of the same effect is substantially thinner than a known lacquer. Thus, less material is used overall, which is associated with a cost advantage. Also, the materials used can easily be recycled.
  • the protective layer is connected via a metallic bond with the office / cosmetics.
  • a mixed phase can occur in particular between the metal alloy and the metal applied as a protective layer.
  • Suitable metal layers can be obtained, for example, by reductive-electrodeposition of metal cations, Metallates and / or metal complexes are produced on the surface of the office / cosmetic article.
  • suitable reaction media such as complexing agents or solvents such metal layers can be deposited on the magnesium material independently of the electrochemical series of voltages. The application is done here, for example, by a simple dipping process.
  • a metal oxide or a mixed metal oxide of the metals mentioned can be produced here by the simultaneous addition of a suitable oxidizing agent or by the selection of suitable counteranions on the surface of the office or cosmetic article from the magnesium material.
  • nitrides, carbides, silicides, and borides are understood to mean those chemical compositions or compounds of the mentioned metals which contain nitrogen, carbon, silicon or boron. It does not have to be a stoichiometric composition.
  • Both the protective layer as such and any transition phase present between the protective layer and the magnesium material may be of stoichiometric or non-stoichiometric composition.
  • a chemical linkage can be made by occupying the lattice sites with foreign atoms or by incorporating them into the volume of existing lattice structures.
  • the magnesium material is chemically bonded to a first layer of a metal and a second layer of a metal oxide.
  • the metal oxide layer may be, for example, a passivation layer for the underlying metal layer, while the metal implements the chemical bond.
  • FIG. 1 a sharpener body 1 with a pin guide channel 2 and a sharpener blade 3 mounted thereon is shown.
  • the sharpener body 1 which was massively produced from a magnesium alloy by machining, was then immersed in an acetic acid aluminum nitrate solution.
  • an aluminum layer 12 is deposited on the exposed magnesium of the magnesium alloy in a reductive manner.
  • the deposited aluminum layer 12 is further anodized in one operation by the nitrate, so that an aluminum oxide layer 13 is formed on the aluminum layer 12.
  • The comprising the aluminum layer 12 and the aluminum oxide layer 13.
  • Protective layer 9 provides lasting protection against corrosion of the magnesium alloy.
  • the layer thickness can be adjusted by the pH of the acetic aluminum nitrate solution and by the duration of the coating process.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
EP06001569A 2006-01-25 2006-01-25 Büro- oder Kosmetikartikel aus einem Magnesiumwerkstoff Not-in-force EP1813441B2 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE502006001234T DE502006001234D1 (de) 2006-01-25 2006-01-25 Büro- oder Kosmetikartikel aus einem Magnesiumwerkstoff
EP06001569A EP1813441B2 (de) 2006-01-25 2006-01-25 Büro- oder Kosmetikartikel aus einem Magnesiumwerkstoff
PL06001569T PL1813441T3 (pl) 2006-01-25 2006-01-25 Artykuł biurowy albo kosmetyczny z materiału magnezowego
US11/698,313 US20070172679A1 (en) 2006-01-25 2007-01-25 Office or cosmetics article

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06001569A EP1813441B2 (de) 2006-01-25 2006-01-25 Büro- oder Kosmetikartikel aus einem Magnesiumwerkstoff

Publications (3)

Publication Number Publication Date
EP1813441A1 EP1813441A1 (de) 2007-08-01
EP1813441B1 EP1813441B1 (de) 2008-07-30
EP1813441B2 true EP1813441B2 (de) 2012-11-21

Family

ID=36617075

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06001569A Not-in-force EP1813441B2 (de) 2006-01-25 2006-01-25 Büro- oder Kosmetikartikel aus einem Magnesiumwerkstoff

Country Status (4)

Country Link
US (1) US20070172679A1 (pl)
EP (1) EP1813441B2 (pl)
DE (1) DE502006001234D1 (pl)
PL (1) PL1813441T3 (pl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD800834S1 (en) * 2015-06-26 2017-10-24 Eisen Gmbh Sharpener
US10064273B2 (en) 2015-10-20 2018-08-28 MR Label Company Antimicrobial copper sheet overlays and related methods for making and using

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE618614C (de) † 1934-10-23 1935-09-12 Walter Heimberger Dr Ing Verfahren zum Blankbeizen von Metallen
DE735241C (de) † 1940-12-31 1943-05-10 Ig Farbenindustrie Ag Beizloesungen fuer die Oberflaechenbehandlung von Werkstuecken aus Magnesiumlegierungen
DE10127770A1 (de) † 2001-06-07 2002-12-12 Volkswagen Ag Verfahren zur Erzeugung von Korrosionsschutzschichten auf Oberflächen aus Magnesium oder Magnesiumlegierungen

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2049303A (en) * 1931-04-01 1936-07-28 Charles H Little Ruler
US2562348A (en) 1948-07-28 1951-07-31 Universal Drafting Machine Cor Ruler
US2574225A (en) * 1948-07-28 1951-11-06 Benzol Products Company Process for rendering metal surfaces antiseptic and products therefrom
US3974059A (en) * 1974-10-03 1976-08-10 Yoichi Murayama High vacuum ion plating device
GB2048561B (en) * 1979-04-02 1983-02-23 Philips Electronic Associated Method of forming a secondary emissive coating on a dynode
FR2633642B1 (fr) * 1988-07-01 1992-06-19 Cepromag Ct Rech Promo Magnes Procede de realisation d'un film protecteur sur un substrat a base de magnesium, application a la protection des alliages de magnesium, substrats obtenus
BR9206160A (pt) * 1991-06-19 1995-09-12 Lanxide Technology Co Ltd Novos materiais refratários de nitreto de alumínio e processos para fabricação dos mesmos
US5955182A (en) * 1996-02-05 1999-09-21 Kabushiki Kaisha Toshiba Heat resisting member and its production method
FR2764310B1 (fr) * 1997-06-10 1999-07-09 Commissariat Energie Atomique Materiau multicouches a revetement anti-erosion, anti-abrasion, et anti-usure sur substrat en aluminium, en magnesium ou en leurs alliages
JP2000201728A (ja) 1999-01-18 2000-07-25 Shiseido Co Ltd マグネシウム合金製化粧品容器
JP2003328154A (ja) * 2002-05-09 2003-11-19 Shimano Inc 屋外用外観部品
US20060141264A1 (en) * 2004-12-23 2006-06-29 Rearick Brian K Soft feel coating for a rigid substrate
US7651758B2 (en) * 2005-10-18 2010-01-26 Endres Machining Innovations Llc System for improving the wearability of a surface and related method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE618614C (de) † 1934-10-23 1935-09-12 Walter Heimberger Dr Ing Verfahren zum Blankbeizen von Metallen
DE735241C (de) † 1940-12-31 1943-05-10 Ig Farbenindustrie Ag Beizloesungen fuer die Oberflaechenbehandlung von Werkstuecken aus Magnesiumlegierungen
DE10127770A1 (de) † 2001-06-07 2002-12-12 Volkswagen Ag Verfahren zur Erzeugung von Korrosionsschutzschichten auf Oberflächen aus Magnesium oder Magnesiumlegierungen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
J.E. GRAY, B. LUAN: "Protective coatings on magnesium and its alloys - a critical review", JOURNAL OF ALLOYS AND COMPUNDS 336 (2002) 88-113, 2002 †

Also Published As

Publication number Publication date
EP1813441B1 (de) 2008-07-30
US20070172679A1 (en) 2007-07-26
PL1813441T3 (pl) 2009-06-30
EP1813441A1 (de) 2007-08-01
DE502006001234D1 (de) 2008-09-11

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