DK517189A - APPLICATION OF A GREAT GOLD CONTENT FOR JEWELRY - Google Patents

APPLICATION OF A GREAT GOLD CONTENT FOR JEWELRY

Info

Publication number
DK517189A
DK517189A DK517189A DK517189A DK517189A DK 517189 A DK517189 A DK 517189A DK 517189 A DK517189 A DK 517189A DK 517189 A DK517189 A DK 517189A DK 517189 A DK517189 A DK 517189A
Authority
DK
Denmark
Prior art keywords
jewelry
application
gold content
weight
great
Prior art date
Application number
DK517189A
Other languages
Danish (da)
Other versions
DK517189D0 (en
Inventor
Lorenz Berchtold
Ulrich 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
Publication of DK517189D0 publication Critical patent/DK517189D0/en
Publication of DK517189A publication Critical patent/DK517189A/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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Ceramic Products (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.
DK517189A 1988-10-19 1989-10-18 APPLICATION OF A GREAT GOLD CONTENT FOR JEWELRY DK517189A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3835593A DE3835593C1 (en) 1988-10-19 1988-10-19

Publications (2)

Publication Number Publication Date
DK517189D0 DK517189D0 (en) 1989-10-18
DK517189A true DK517189A (en) 1990-04-20

Family

ID=6365457

Family Applications (1)

Application Number Title Priority Date Filing Date
DK517189A DK517189A (en) 1988-10-19 1989-10-18 APPLICATION OF A GREAT GOLD CONTENT 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) FI894976A0 (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 capable of coloring into bright black color and coloring method therefor

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
US2164938A (en) * 1938-08-23 1939-07-04 Metals & Controls Corp Alloy
US2141157A (en) * 1938-08-23 1938-12-20 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
EP0369156B1 (en) 1993-05-12
DK517189D0 (en) 1989-10-18
DE3835593C1 (en) 1989-11-16
NO893393D0 (en) 1989-08-23
ATE89330T1 (en) 1993-05-15
EP0369156A1 (en) 1990-05-23
FI894976A0 (en) 1989-10-19
NO172753C (en) 1993-09-01
ES2040434T3 (en) 1993-10-16
JPH02166244A (en) 1990-06-26
NO172753B (en) 1993-05-24
NO893393L (en) 1990-04-20
DE58904343D1 (en) 1993-06-17

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment