EP3611279A2 - Corps de joaillerie fabriqué d'un alliage de platine - Google Patents

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

Info

Publication number
EP3611279A2
EP3611279A2 EP19189359.3A EP19189359A EP3611279A2 EP 3611279 A2 EP3611279 A2 EP 3611279A2 EP 19189359 A EP19189359 A EP 19189359A EP 3611279 A2 EP3611279 A2 EP 3611279A2
Authority
EP
European Patent Office
Prior art keywords
jewelry
platinum
alloy
copper
weight
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
EP19189359.3A
Other languages
German (de)
English (en)
Other versions
EP3611279B1 (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

Links

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 jewelry body, 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 jewelry body.
  • the jewelry body is made of a platinum alloy with a portion of copper.
  • a platinum jewelry alloy which has a proportion of platinum between 50.0 to 70.0% by weight and a proportion of copper between 0.5 to 40.0% by weight of silver.
  • the alloy is composed in such a way that, in particular, it enables the production of semi-finished products in the continuous casting process.
  • the object of the invention is therefore to enable easier manufacture and also high hardness of the finished piece of jewelry in the case of a generic jewelry body.
  • the platinum alloy has a proportion of at least 58.0 and preferably up to 60.5% by weight of platinum, at least 35.0 to preferably 40.0% by weight of copper and at least 0.06 to preferably 0.26% by weight. % Manganese on. Due to the high copper content, the platinum alloy is during the manufacture of the Piece of jewelry relatively soft and therefore particularly easy to work with a high level of detail. The additional use of manganese ensures that the piece of jewelry can be given a hardness, in particular by additional cold working, which can reach a hardness of 240 to 260 Vickers, preferably more than 250 Vickers.
  • the platinum alloy has a proportion of 59.5 to 62.0% by weight of platinum, 37.0 to 42.0% of copper and 0.1 to 0.3% by weight of manganese.
  • a particularly suitable ratio between the processability of the starting material and the degree of hardness of the finished piece of jewelry is achieved within these value ranges.
  • the alloy in this composition creates a particularly distinctive white tone of the jewelry body.
  • the alloy in this composition enables a particularly stable setting of decorative elements, such as stones in particular.
  • the heat treatment of a, for example, ring-shaped jewelry body made of the alloy with an at least 58.0% pure content of platinum takes place at an annealing temperature of the alloy between 670 and 690 °.
  • a soft hardness of 220 to 230 HV and a hardness of 240 to 260 HV are achieved after cold deformation of the jewelry ring.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Adornments (AREA)
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 true EP3611279A2 (fr) 2020-02-19
EP3611279A3 EP3611279A3 (fr) 2020-02-26
EP3611279B1 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)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2260116A1 (fr) 2009-04-07 2010-12-15 Heimerle + Meule Gmbh Alliage pour bijou à base de platine

Family Cites Families (3)

* 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.
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2260116A1 (fr) 2009-04-07 2010-12-15 Heimerle + Meule Gmbh Alliage pour bijou à base de platine

Also Published As

Publication number Publication date
PT3611279T (pt) 2022-10-28
DK3611279T3 (da) 2022-11-14
EP3611279B1 (fr) 2022-09-07
DE202018104717U1 (de) 2018-08-30
ES2930371T3 (es) 2022-12-09
EP3611279A3 (fr) 2020-02-26

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