EP1245688B1 - Alliage d'or gris sans nickel - Google Patents
Alliage d'or gris sans nickel Download PDFInfo
- Publication number
- EP1245688B1 EP1245688B1 EP02005157A EP02005157A EP1245688B1 EP 1245688 B1 EP1245688 B1 EP 1245688B1 EP 02005157 A EP02005157 A EP 02005157A EP 02005157 A EP02005157 A EP 02005157A EP 1245688 B1 EP1245688 B1 EP 1245688B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- alloy
- nickel
- weight
- grey
- gold alloy
- 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
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
- C22C5/02—Alloys based on gold
-
- 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 present invention relates to a gold alloy nickel free gray comprising 75-76% by weight of Au.
- the nickel allergy problem has leads to the limitation, even to the total prohibition of the presence of nickel in white or gray gold alloys. In more, these alloys are excessively hard and not very deformable so they don't lend themselves well to work in the jewelry and watchmaking in particular.
- CH-684 616 has already proposed a gold alloy nickel-free gray with good deformability, comprising generally in this case essentially between 15% and 17% by weight of Pd, between 3 and 5% of Mn and between 5 and 7% in Cu weight.
- Pd is a very expensive metal and whose prices fluctuate enormously.
- the lowering of the proportion of Pd, and the addition of Ag in the above-mentioned alloy leads to low deformability.
- a percentage too high Ag causes tarnishing of the alloy.
- JP-A-9078160 has also proposed a ternary gray gold alloy with more than 10% by weight of Pd and more than 10% by weight of Cu.
- a ternary alloy does not in particular the molding properties, allowing its use with the technique known as lost wax.
- JP-A-10 245646 relates to a gold alloy containing 15.0-23.0% Cu and 0.3-5.0% Pd, especially an alloy containing 75% Au, 4.5% Ag, 15% Cu and 5.5% Pd.
- JP-A-60 258435 offers a gold alloy containing 4-7% Pd, 15-30% Cu, 5-25% Ag, especially an alloy containing 75% Au, 5.0% Ag, 15% Cu and 5.0% Pd.
- the object of the present invention is to substantially improve white or gray gold alloys allowing reduce the proportion of Pd without reducing its properties deformability, as well as its metallurgical properties allowing it to be used in casting techniques by lost wax.
- this invention relates to an alloy white gold or gray gray nickel free according to claim 1.
- Some other items are added to the items main of this alloy, to improve its properties metallurgical, in particular to lower its temperature melting, improving the fineness of grain as well as for avoid porosities.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Adornments (AREA)
- Dental Preparations (AREA)
- Silicon Compounds (AREA)
- Powder Metallurgy (AREA)
Description
Claims (6)
- Alliage d'or blanc ou gris sans nickel comprenant, exprimé en poids, Au 75-76%, entre 5 et 7% de Pd, entre 10 et 17% de Cu, ≤4% de Ag, <7% de Zn, le reste étant formé par au moins un des éléments Ir, In, Ta, Ti, Si, Ga, Re, Nb.
- Alliage selon la revendication 1, comportant au moins un des éléments Ir, Ta, Si, dans une proportion comprise entre 0,002 et 0,015% en poids.
- Alliage selon la revendication 2, comprenant entre 0,2 et 0,4% en poids de Ga.
- Alliage selon la revendication 1 comportant entre 20 et 200 ppm de Ti.
- Alliage selon la revendication 1 comportant 0,002% en poids de Re.
- Alliage selon la revendication 1 comportant 2% en poids de In.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02005157A EP1245688B1 (fr) | 1998-12-14 | 1998-12-14 | Alliage d'or gris sans nickel |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02005157A EP1245688B1 (fr) | 1998-12-14 | 1998-12-14 | Alliage d'or gris sans nickel |
EP98811224A EP1010768B1 (fr) | 1998-12-14 | 1998-12-14 | Alliage d'or gris sans nickel |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98811224A Division EP1010768B1 (fr) | 1998-12-14 | 1998-12-14 | Alliage d'or gris sans nickel |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1245688A2 EP1245688A2 (fr) | 2002-10-02 |
EP1245688A3 EP1245688A3 (fr) | 2002-10-30 |
EP1245688B1 true EP1245688B1 (fr) | 2004-05-12 |
Family
ID=8236482
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02005157A Expired - Lifetime EP1245688B1 (fr) | 1998-12-14 | 1998-12-14 | Alliage d'or gris sans nickel |
EP98811224A Expired - Lifetime EP1010768B1 (fr) | 1998-12-14 | 1998-12-14 | Alliage d'or gris sans nickel |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98811224A Expired - Lifetime EP1010768B1 (fr) | 1998-12-14 | 1998-12-14 | Alliage d'or gris sans nickel |
Country Status (5)
Country | Link |
---|---|
US (2) | US6342182B1 (fr) |
EP (2) | EP1245688B1 (fr) |
JP (1) | JP2000178669A (fr) |
DE (2) | DE69823891T2 (fr) |
ES (2) | ES2195300T3 (fr) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69823891T2 (de) * | 1998-12-14 | 2005-05-19 | Metalor Technologies International Sa | Graue Goldlegierung, ohne Nickel |
FR2815044B1 (fr) * | 2000-10-06 | 2003-03-21 | Cookson Metaux Precieux Sa | Alliage d'or gris 18 carats pour bijouterie, sans nickel et sans palladium |
DE60141941D1 (de) * | 2001-01-26 | 2010-06-10 | Metalor Technologies Int | Graue Goldlegierung |
US6863746B2 (en) * | 2001-08-02 | 2005-03-08 | Keith Weinstein | White gold compositions without nickel and palladium |
JP2006118029A (ja) * | 2004-10-25 | 2006-05-11 | Mikimoto Soshingu:Kk | ホワイトゴールド合金及びその熱硬化処理方法 |
JP2007186749A (ja) * | 2006-01-13 | 2007-07-26 | Ishifuku Metal Ind Co Ltd | 装飾品用金合金 |
DE102007027673B4 (de) * | 2007-06-15 | 2017-01-05 | C. Hafner Gmbh + Co. Kg | Weißgoldlegierung, insbesondere für den Schmuckguss |
EP2251444A1 (fr) | 2009-05-06 | 2010-11-17 | Rolex Sa | Alliage d'or gris sans nickel et sans cuivre |
DE102009053567A1 (de) * | 2009-11-10 | 2011-05-12 | Wieland Dental + Technik Gmbh & Co. Kg | Weißgold-Schmucklegierung |
JP5825482B2 (ja) * | 2011-11-08 | 2015-12-02 | 福井めがね工業株式会社 | 白色系Au合金 |
RU2479655C1 (ru) * | 2011-11-10 | 2013-04-20 | Федеральное Государственное Автономное Образовательное Учреждение Высшего Профессионального Образования "Сибирский Федеральный Университет" | Сплав на основе палладия 500 пробы |
RU2475551C1 (ru) * | 2012-01-25 | 2013-02-20 | Юлия Алексеевна Щепочкина | Сплав на основе золота |
US20150368757A1 (en) * | 2013-02-06 | 2015-12-24 | Rolex Sa | Timepiece made from rose gold alloy |
US20140328718A1 (en) * | 2013-05-06 | 2014-11-06 | Richline Group, Inc. | 18K Ni-FREE AGE HARDENABLE WHITE GOLD ALLOY |
EP3070182B1 (fr) * | 2015-03-17 | 2017-08-30 | The Swatch Group Research and Development Ltd. | Alliage d'or gris |
FR3034106B1 (fr) | 2015-03-23 | 2022-07-22 | Centre Nat Rech Scient | Alliage monophasique d'or et de tungstene |
RU2588733C1 (ru) * | 2015-04-22 | 2016-07-10 | Юлия Алексеевна Щепочкина | Ювелирный сплав |
US9738951B1 (en) | 2016-03-31 | 2017-08-22 | Leachgarner, Inc. | 18K palladium and platinum containing age hardenable white gold alloy |
EP3339455B1 (fr) * | 2016-12-20 | 2020-02-05 | Montres Breguet S.A. | Alliage d'or gris |
CH714786B1 (it) * | 2018-03-15 | 2022-05-13 | Argor Heraeus Sa | Lega d'oro con colore compatibile allo standard 5N e metodo di produzione della medesima. |
CH715203B1 (fr) * | 2018-07-26 | 2022-03-15 | Px Services Sa | Alliage à base d'or présentant un changement de couleur et son utilisation dans le domaine de la joaillerie et de l'horlogerie. |
WO2020202423A1 (fr) * | 2019-04-01 | 2020-10-08 | 株式会社俄 | Alliage d'or blanc |
EP3812477B1 (fr) * | 2019-10-21 | 2023-01-11 | Richemont International SA | Alliage métallique comprenant de l'or |
MX2023002015A (es) | 2020-08-18 | 2023-04-11 | Enviro Metals Llc | Refinamiento metálico. |
JP7086425B1 (ja) | 2021-09-06 | 2022-06-20 | Navi・japan株式会社 | 色見の明るさと加工特性を向上させた18kの純度を有するライム系カラー金合金及びその製造方法 |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2274863A (en) * | 1937-11-05 | 1942-03-03 | Leuser Josef | Soldering alloy |
US2980998A (en) * | 1957-02-04 | 1961-04-25 | Ney Co J M | Dental prosthesis and method of manufacture |
JPS515338B1 (fr) * | 1970-09-10 | 1976-02-19 | ||
JPS5156241A (en) * | 1974-11-11 | 1976-05-17 | Citizen Watch Co Ltd | Meganeno fureemu |
US4014690A (en) * | 1976-05-14 | 1977-03-29 | Howmedica, Inc. | Gold-colored alloy solders |
DE2638837C3 (de) * | 1976-08-28 | 1979-06-07 | W.C. Heraeus Gmbh, 6450 Hanau | Dentallot-Legierung auf Gold-Basis |
JPS57120644A (en) * | 1981-01-16 | 1982-07-27 | Citizen Watch Co Ltd | Gold alloy with pinkish color tone |
IT1197427B (it) * | 1982-05-14 | 1988-11-30 | Gian Franco Menicucci | Metodo di formulazione di leghe metalliche ad uso odontoiatrico e complesso di leghe cosi' ottenute |
JPS60258435A (ja) * | 1984-06-06 | 1985-12-20 | Citizen Watch Co Ltd | 耐食性硬質黄金色系金合金 |
JPS63141906A (ja) * | 1986-12-03 | 1988-06-14 | G C Dental Ind Corp | 歯科鋳造用埋没材 |
CA1330169C (fr) * | 1987-05-13 | 1994-06-14 | Asami Tanaka | Feuille metallique pour plombages a base de metal et de porcelaine |
JP2922228B2 (ja) * | 1989-10-16 | 1999-07-19 | 株式会社徳力本店 | 装飾用白色金合金 |
JP2922230B2 (ja) * | 1989-10-16 | 1999-07-19 | 株式会社徳力本店 | 装飾用白色金合金 |
JP2922227B2 (ja) * | 1989-10-16 | 1999-07-19 | 株式会社徳力本店 | 装飾用白色金合金 |
US5240172A (en) * | 1989-10-27 | 1993-08-31 | Degussa Aktiengesellschaft | Solder alloy for dental and jewelry parts |
US5298219A (en) * | 1990-06-04 | 1994-03-29 | Tanaka Denshi Kogyo Kabushiki Kaisha | High purity gold bonding wire for semiconductor device |
JP3180982B2 (ja) * | 1992-12-24 | 2001-07-03 | 京セラ株式会社 | 白色金合金 |
JPH0892675A (ja) * | 1994-09-28 | 1996-04-09 | Daido Steel Co Ltd | 低融点チタン合金 |
DE19525361A1 (de) * | 1995-02-16 | 1996-08-22 | Herbst Bremer Goldschlaegerei | Edelmetall-Legierung und Verwendung derselben |
JP2895793B2 (ja) * | 1995-02-24 | 1999-05-24 | マブチモーター株式会社 | 摺動接点材料及びクラッド複合材ならびにそれらからなるコンミテータ及びそのコンミテータを使用した直流小型モータ |
JPH0978160A (ja) * | 1995-09-13 | 1997-03-25 | Tazaki Shinjiyu Kk | 宝飾品用パラジウム配合系白色金合金 |
JP3657674B2 (ja) * | 1995-11-10 | 2005-06-08 | 石福金属興業株式会社 | 白色系金合金 |
JPH09184033A (ja) * | 1996-01-08 | 1997-07-15 | Tanaka Kikinzoku Kogyo Kk | ホワイト・ゴールド合金 |
US5945065A (en) * | 1996-07-31 | 1999-08-31 | Tanaka Denshi Kogyo | Method for wedge bonding using a gold alloy wire |
JPH10245646A (ja) * | 1997-03-07 | 1998-09-14 | Seiko Epson Corp | 金合金、装飾部材、携帯時計及び装飾部材の製造方法 |
DE69823891T2 (de) * | 1998-12-14 | 2005-05-19 | Metalor Technologies International Sa | Graue Goldlegierung, ohne Nickel |
-
1998
- 1998-12-14 DE DE69823891T patent/DE69823891T2/de not_active Expired - Lifetime
- 1998-12-14 ES ES98811224T patent/ES2195300T3/es not_active Expired - Lifetime
- 1998-12-14 EP EP02005157A patent/EP1245688B1/fr not_active Expired - Lifetime
- 1998-12-14 ES ES02005157T patent/ES2220846T3/es not_active Expired - Lifetime
- 1998-12-14 EP EP98811224A patent/EP1010768B1/fr not_active Expired - Lifetime
- 1998-12-14 DE DE69812652T patent/DE69812652T2/de not_active Expired - Lifetime
-
1999
- 1999-12-14 US US09/460,471 patent/US6342182B1/en not_active Expired - Lifetime
- 1999-12-14 JP JP11354255A patent/JP2000178669A/ja active Pending
-
2001
- 2001-11-12 US US10/054,571 patent/US6787102B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1245688A2 (fr) | 2002-10-02 |
EP1245688A3 (fr) | 2002-10-30 |
EP1010768A1 (fr) | 2000-06-21 |
EP1010768B1 (fr) | 2003-03-26 |
ES2220846T3 (es) | 2004-12-16 |
JP2000178669A (ja) | 2000-06-27 |
DE69823891D1 (de) | 2004-06-17 |
DE69812652T2 (de) | 2004-04-29 |
US20020127134A1 (en) | 2002-09-12 |
US6787102B2 (en) | 2004-09-07 |
ES2195300T3 (es) | 2003-12-01 |
US6342182B1 (en) | 2002-01-29 |
DE69823891T2 (de) | 2005-05-19 |
DE69812652D1 (de) | 2003-04-30 |
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