EP3611279B1 - Corps de joaillerie fabriqué d'un alliage de platine - Google Patents

Corps de joaillerie fabriqué d'un alliage de platine Download PDF

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Publication number
EP3611279B1
EP3611279B1 EP19189359.3A EP19189359A EP3611279B1 EP 3611279 B1 EP3611279 B1 EP 3611279B1 EP 19189359 A EP19189359 A EP 19189359A EP 3611279 B1 EP3611279 B1 EP 3611279B1
Authority
EP
European Patent Office
Prior art keywords
platinum
jewelry
alloy
decorative body
copper
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.)
Active
Application number
EP19189359.3A
Other languages
German (de)
English (en)
Other versions
EP3611279A2 (fr
EP3611279A3 (fr
Inventor
Kai-F. BINDER
Avni BAJRAKTARI
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.)
EGF Eduard G Fidel GmbH
Original Assignee
EGF Eduard G Fidel GmbH
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 EGF Eduard G Fidel GmbH filed Critical EGF Eduard G Fidel GmbH
Publication of EP3611279A2 publication Critical patent/EP3611279A2/fr
Publication of EP3611279A3 publication Critical patent/EP3611279A3/fr
Application granted granted Critical
Publication of EP3611279B1 publication Critical patent/EP3611279B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C5/00—Alloys based on noble metals
    • C22C5/04—Alloys based on a platinum group metal
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C27/00—Making jewellery or other personal adornments
    • A44C27/001—Materials for manufacturing jewellery
    • A44C27/002—Metallic materials
    • A44C27/003—Metallic alloys

Definitions

  • the invention relates to a piece of jewelry, such as a piece of jewelry, in particular a ring-shaped piece of jewelry, or a part of a piece of jewelry according to the preamble of claim 1, and a jewelry alloy for producing such a piece of jewelry.
  • the jewelery body is made from a platinum alloy with a proportion of copper.
  • a platinum jewelry alloy which has a proportion of platinum of between 50.0 and 70.0% by weight and a proportion of copper and/or silver of between 0.5 and 40.0% by weight.
  • the alloy is composed in such a way that it enables the production of semi-finished products using the continuous casting process.
  • U.S. 7,001,473 B2 discloses a metal powder mixture for making a platinum-copper alloy containing 58% platinum and 42% by weight. The further described melting process is intended to avoid phase separation and to enable easier processing.
  • the object of the invention is therefore to enable easier production and also high hardness of the finished piece of jewelry in the case of a generic piece of jewelry.
  • the platinum alloy consists of at least 58.0 to 60.5% by weight platinum, at least 35.0 to 40.0% by weight copper and at least 0.06 to 0.26% by weight manganese. Due to the high copper content, the platinum alloy is relatively soft during the production of the piece of jewelry and is therefore particularly easy to process with a high level of detail.
  • the additional use of manganese ensures that the piece of jewelry can be provided with a hardness, in particular by additional cold processing, which can reach a degree of hardness of 240 to 260 Vickers, preferably more than 250 Vickers.
  • the platinum alloy consists of 59.5 to 62.0% by weight platinum, 37.0 to 42.0% by weight copper and 0.1 to 0.3% by weight manganese. Within these value ranges, a particularly suitable relationship between the workability of the starting material and the degree of hardness of the finished piece of jewelery is achieved.
  • the alloy in this composition produces a particularly distinctive white tone on the body of the jewellery.
  • the alloy in this composition enables a particularly stable setting of decorative elements, such as stones in particular.
  • the heat treatment of a piece of jewelry made from the alloy takes place at an annealing temperature of the alloy between 670 and 690°.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Adornments (AREA)

Claims (4)

  1. Corps de joaillerie en un alliage de platine contenant du cuivre,
    caractérisé en ce que l'alliage de platine se compose de
    au moins 58,0 % en poids de platine,
    au moins 35,0 % en poids de cuivre, et
    au moins 0,06 % en poids de manganèse.
  2. Corps de joaillerie selon la revendication 1, caractérisé en ce que l'alliage de platine se compose de
    58,0 à 60,5 % en poids de platine
    35,0 à 40,0 % en poids de cuivre et
    0,06 à 0,26 % en poids de manganèse.
  3. Corps de joaillerie selon la revendication 1 ou 2, caractérisé en ce que l'alliage de platine se compose de
    59,5 à 62,0 % en poids de platine
    37,0 à 42,0 % en poids de cuivre et
    0,1 à 0,3 % en poids de manganèse.
  4. Alliage de joaillerie pour la fabrication d'un corps de joaillerie selon l'une des revendications 1 à 3.
EP19189359.3A 2018-08-16 2019-07-31 Corps de joaillerie fabriqué d'un alliage de platine Active EP3611279B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202018104717.5U DE202018104717U1 (de) 2018-08-16 2018-08-16 Schmuckkörper

Publications (3)

Publication Number Publication Date
EP3611279A2 EP3611279A2 (fr) 2020-02-19
EP3611279A3 EP3611279A3 (fr) 2020-02-26
EP3611279B1 true EP3611279B1 (fr) 2022-09-07

Family

ID=63588310

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19189359.3A Active EP3611279B1 (fr) 2018-08-16 2019-07-31 Corps de joaillerie fabriqué d'un alliage de platine

Country Status (5)

Country Link
EP (1) EP3611279B1 (fr)
DE (1) DE202018104717U1 (fr)
DK (1) DK3611279T3 (fr)
ES (1) ES2930371T3 (fr)
PT (1) PT3611279T (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7001473B2 (en) * 2003-09-02 2006-02-21 Melick Llc Method for producing platinum alloys and alloys which can be obtained using this method
MXPA06008848A (es) * 2004-02-04 2007-04-23 Karat Platinum Llc Aleacion de platino y metodo para la produccion de la misma.
DE102009017398A1 (de) 2009-04-07 2010-10-14 Heimerle + Meule Gmbh Platin-Schmucklegierung
CN106609346B (zh) * 2016-03-15 2018-11-30 北京纳米能源与系统研究所 一种非晶合金及其制备方法和应用

Also Published As

Publication number Publication date
PT3611279T (pt) 2022-10-28
DK3611279T3 (da) 2022-11-14
EP3611279A2 (fr) 2020-02-19
DE202018104717U1 (de) 2018-08-30
ES2930371T3 (es) 2022-12-09
EP3611279A3 (fr) 2020-02-26

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