ATE89330T1 - USE OF A HIGH GOLD ALLOY FOR JEWELRY. - Google Patents

USE OF A HIGH GOLD ALLOY FOR JEWELRY.

Info

Publication number
ATE89330T1
ATE89330T1 AT89118634T AT89118634T ATE89330T1 AT E89330 T1 ATE89330 T1 AT E89330T1 AT 89118634 T AT89118634 T AT 89118634T AT 89118634 T AT89118634 T AT 89118634T AT E89330 T1 ATE89330 T1 AT E89330T1
Authority
AT
Austria
Prior art keywords
jewelry
weight
gold alloy
high gold
gold
Prior art date
Application number
AT89118634T
Other languages
German (de)
Inventor
Lorenz Dr Berchtold
Ulrich Dr Dipl-Ing Muerrle
Original Assignee
Degussa
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 Degussa filed Critical Degussa
Application granted granted Critical
Publication of ATE89330T1 publication Critical patent/ATE89330T1/en

Links

Classifications

    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Adornments (AREA)
  • Ceramic Products (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Eyeglasses (AREA)

Abstract

To produce jewellery articles and coins, a high-gold content alloy of 84 to 99% by weight of gold, 1 to 6% by weight of cobalt, 0 to 6% by weight of copper and 0 to 4% by weight of silver and/or zinc is used. It is hardenable and is tolerated by the skin.
AT89118634T 1988-10-19 1989-10-06 USE OF A HIGH GOLD ALLOY FOR JEWELRY. ATE89330T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3835593A DE3835593C1 (en) 1988-10-19 1988-10-19
EP89118634A EP0369156B1 (en) 1988-10-19 1989-10-06 Use of a high gold content alloy in jewellery

Publications (1)

Publication Number Publication Date
ATE89330T1 true ATE89330T1 (en) 1993-05-15

Family

ID=6365457

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89118634T ATE89330T1 (en) 1988-10-19 1989-10-06 USE OF A HIGH GOLD ALLOY FOR JEWELRY.

Country Status (8)

Country Link
EP (1) EP0369156B1 (en)
JP (1) JPH02166244A (en)
AT (1) ATE89330T1 (en)
DE (2) DE3835593C1 (en)
DK (1) DK517189A (en)
ES (1) ES2040434T3 (en)
FI (1) FI894976A7 (en)
NO (1) NO172753C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02197539A (en) * 1989-01-26 1990-08-06 Tanaka Kikinzoku Kogyo Kk Co-containing noble metallic material for ornaments
JPH02225655A (en) * 1989-02-28 1990-09-07 Agency Of Ind Science & Technol Gold alloy that is colored shiny black and its coloring method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1175885B (en) * 1964-08-13 Dr. Eugen Dürrwächter DODUCO, Pforzheim Use of a heterogenized gold-cobalt alloy as a material for electrical contacts with practically no material migration in low-current circuits through which direct current flows and with self-induction within certain limits
US2141157A (en) * 1938-08-23 1938-12-20 Metals & Controls Corp Alloy
US2164938A (en) * 1938-08-23 1939-07-04 Metals & Controls Corp Alloy
US2223046A (en) * 1938-12-02 1940-11-26 Metals & Controls Corp Alloy
DE2136232A1 (en) * 1971-07-20 1973-02-01 Degussa Hard gold alloys - contg cobalt, iron and/or nickel for dental applications
GB1491155A (en) * 1976-04-07 1977-11-09 Fulmer Res Inst Ltd Gold alloys
GB2138027B (en) * 1983-04-12 1986-09-10 Citizen Watch Co Ltd A process for plating an article with a gold-based alloy and an alloy therefor
JPS62185846A (en) * 1986-02-07 1987-08-14 Citizen Watch Co Ltd Gold-platinum-cobalt permanent magnet alloy

Also Published As

Publication number Publication date
FI894976A7 (en) 1990-04-20
FI894976A0 (en) 1989-10-19
NO172753C (en) 1993-09-01
NO172753B (en) 1993-05-24
JPH02166244A (en) 1990-06-26
NO893393L (en) 1990-04-20
DE3835593C1 (en) 1989-11-16
EP0369156B1 (en) 1993-05-12
DE58904343D1 (en) 1993-06-17
DK517189D0 (en) 1989-10-18
EP0369156A1 (en) 1990-05-23
ES2040434T3 (en) 1993-10-16
DK517189A (en) 1990-04-20
NO893393D0 (en) 1989-08-23

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