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EP2975184A1 - Composant en laiton et utilisation du composant - Google Patents

Composant en laiton et utilisation du composant Download PDF

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Publication number
EP2975184A1
EP2975184A1 EP15001962.8A EP15001962A EP2975184A1 EP 2975184 A1 EP2975184 A1 EP 2975184A1 EP 15001962 A EP15001962 A EP 15001962A EP 2975184 A1 EP2975184 A1 EP 2975184A1
Authority
EP
European Patent Office
Prior art keywords
component
contact surface
brass
contact
hand
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.)
Granted
Application number
EP15001962.8A
Other languages
German (de)
English (en)
Other versions
EP2975184B1 (fr
Inventor
Norbert Gaag
Florian Seuss
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.)
Diehl Metall Stiftung and Co KG
Original Assignee
Diehl Metall Stiftung and Co KG
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 Diehl Metall Stiftung and Co KG filed Critical Diehl Metall Stiftung and Co KG
Publication of EP2975184A1 publication Critical patent/EP2975184A1/fr
Application granted granted Critical
Publication of EP2975184B1 publication Critical patent/EP2975184B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/04—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for treating only selected parts of a surface, e.g. for carving stone or glass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00—Abrasive blasting machines or devices; Plants
    • B24C3/32—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks
    • 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

Definitions

  • the invention relates to a component made of brass with a contact surface provided thereon for contact with the hand.
  • Brass components are well known. From this, for example, sanitary fittings are produced. However, such sanitary fittings have the disadvantage that they are accelerated and unevenly discolored upon repeated contact with the hand, for example, when gripping a knob or a lever. To counteract this, brass-made components can be coated with a clearcoat. The application of the clearcoat is expensive. Apart from that, the clearcoat will wear off over time and become unsightly.
  • the DE 103 03 648 A1 discloses a method for coating objects, in particular sanitary fittings, which consist of metal or have a metallic surface.
  • at least one layer of copper, nickel or a copper-nickel alloy is first applied to the article.
  • the uppermost layer applied to the article is mechanically surface-treated, for example by means of sand blasting.
  • at least one nickel-tungsten layer or at least one palladium-nickel layer is applied. It can thus be achieved a stainless steel-like appearance, which also has dirt-repellent properties.
  • the method requires a variety of manufacturing steps and is therefore expensive.
  • the object of the invention is to eliminate the disadvantages of the prior art. It should be specified in particular a simple and inexpensive producible component made of brass, in which a contact surface provided thereon for contact with the hand is insensitive to discoloration.
  • a contact surface for contact with the hand is provided on a component made of brass.
  • the component is therefore designed or configured such that it has a contact surface which can be touched by a human hand.
  • the component can be touched by hand within the scope of its intended purpose. A touch of the contact surface by hand is thus provided explicitly during the intended use of the component.
  • the contact surface has an average roughness depth Rz of 2 ⁇ m to 10 ⁇ m. It has surprisingly been found that a component having a roughness depth Rz according to the invention does not discolor unevenly on repeated contact with the hand.
  • the contact surface retains its original look for a long time.
  • the proposed component has excellent antimicrobial properties. It is therefore particularly suitable for equipping objects in areas with high hygienic requirements, in particular in the medical sector (for example hospitals, nursing homes) or in the veterinary field, in slaughterhouses or the like, as well as in public buildings or facilities.
  • the contact surface is made by sandblasting. This makes it possible to produce a particularly uniform and visually appealing interface.
  • a contact surface produced by means of sandblasting has - in contrast to a brushed surface - approximately the same average surface roughness Rz in each direction.
  • the brass contains more than 60% by weight of copper, preferably more than 65% by weight of copper.
  • the brass may contain at least one of the following further constituents: Si, Al, Co, Sn, Fe, Mn, Pb.
  • the proposed alloys have excellent antimicrobial activity. Contact surfaces of the invention produced therefrom permanently have a uniform appearance.
  • the brass is one of the following alloys: CuZn21Si3P, CuZn23Al3Co.
  • the component is expediently in the form of a handrail, for example on a banister, as a handle, in particular as a door handle, as a handle, for example on drawers, as a key, for example for actuating an electrical device, or as a shift lever, for example for actuating a mechanical device.
  • the use of the component according to the invention is proposed to counteract the spread of germs in a building.
  • the building may be a hospital, a medical practice, a slaughterhouse or other building where increased sanitary requirements are to be met.
  • the contact surface 2 is made rougher than an adjacent non-contact surface 3.
  • the contact surface may have a surface roughness of 2 ⁇ m to 10 ⁇ m, preferably 4 ⁇ m to 8 ⁇ m.
  • the roughening of the contact surface 2 is advantageously achieved by means of sandblasting.
  • the proposed contact surface 2 is characterized by an unchanged appearance even with repeated repeated touches by hand. In particular, it is not necessary to coat the contact surface 2 with a lacquer or the like in order to maintain the appearance.
  • the proposed component can thus be relatively easily and inexpensively. It also has an excellent antimicrobial effect.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Steps, Ramps, And Handrails (AREA)
EP15001962.8A 2014-07-17 2015-07-01 Composant en laiton et utilisation du composant Active EP2975184B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014010585.7A DE102014010585A1 (de) 2014-07-17 2014-07-17 Bauteil aus Messing und Verwendung des Bauteils

Publications (2)

Publication Number Publication Date
EP2975184A1 true EP2975184A1 (fr) 2016-01-20
EP2975184B1 EP2975184B1 (fr) 2019-08-28

Family

ID=53525042

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15001962.8A Active EP2975184B1 (fr) 2014-07-17 2015-07-01 Composant en laiton et utilisation du composant

Country Status (2)

Country Link
EP (1) EP2975184B1 (fr)
DE (1) DE102014010585A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021101284A1 (de) 2021-01-21 2022-07-21 Grohe Ag Sanitärarmatur mit einer beschichteten Komponente sowie Verfahren zur Beschichtung einer Komponente für eine Sanitärarmatur

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10303648A1 (de) 2003-01-27 2004-07-29 Hansgrohe Ag Beschichtungsverfahren
WO2009078466A1 (fr) * 2007-12-18 2009-06-25 Taisei Plas Co., Ltd. Composites de métal et de résine et procédés pour leur production
WO2010139053A1 (fr) * 2009-06-02 2010-12-09 Integran Technologies, Inc. Article polymère revêtu de métal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009007314A1 (de) * 2009-02-03 2010-08-05 DüRR DENTAL AG Schraube
DE102010001814A1 (de) * 2010-02-11 2011-08-11 Robert Bosch GmbH, 70469 Zündspule
US9353384B2 (en) * 2012-09-21 2016-05-31 Aereus Technologies Inc. Organic-inorganic nanoflowers, their synthesis and use
AT513516B1 (de) * 2013-01-30 2014-05-15 Miba Gleitlager Gmbh Windkraftanlagengetriebe

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10303648A1 (de) 2003-01-27 2004-07-29 Hansgrohe Ag Beschichtungsverfahren
WO2009078466A1 (fr) * 2007-12-18 2009-06-25 Taisei Plas Co., Ltd. Composites de métal et de résine et procédés pour leur production
WO2010139053A1 (fr) * 2009-06-02 2010-12-09 Integran Technologies, Inc. Article polymère revêtu de métal

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ANONYM: "Antimicrobial Copper Touch Surfaces - Cu+ Product Directory", CDA PUBLICATION 211, 2012, Copper Development Association, Hemel Hempstead [GB], pages 1 - 24, XP055215256, Retrieved from the Internet <URL:http://www.copperalliance.org.uk/docs/librariesprovider5/amc-prod-dir.pdf?sfvrsn=0> [retrieved on 20150922] *
ANONYM: "CuTouch schützt - weil Kupfer wirkt! Antimikrobielle Kupferbasiswerkstoffe. Für ein Plus an Hygiene.", April 2012 (2012-04-01), Diehl Metall Stiftung & Co. KG, Diehl Metall Messing, Röthenbach a. d. Pegnitz [DE], pages 1 - 8, XP055215216, Retrieved from the Internet <URL:http://www.diehl.com/fileadmin/diehl-metall/user_upload/pdf/CuTouch_Broschuere.pdf> [retrieved on 20150922] *

Also Published As

Publication number Publication date
EP2975184B1 (fr) 2019-08-28
DE102014010585A1 (de) 2016-01-21

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