ES2040434T3 - USE OF AN ALLOY WITH HIGH GOLD CONTENT FOR JEWELRY PIECES. - Google Patents

USE OF AN ALLOY WITH HIGH GOLD CONTENT FOR JEWELRY PIECES.

Info

Publication number
ES2040434T3
ES2040434T3 ES198989118634T ES89118634T ES2040434T3 ES 2040434 T3 ES2040434 T3 ES 2040434T3 ES 198989118634 T ES198989118634 T ES 198989118634T ES 89118634 T ES89118634 T ES 89118634T ES 2040434 T3 ES2040434 T3 ES 2040434T3
Authority
ES
Spain
Prior art keywords
alloy
gold content
high gold
weight
jewelry pieces
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
Application number
ES198989118634T
Other languages
Spanish (es)
Inventor
Lorenz Dr. Berchtold
Ulrich Dr. Dipl.-Ing. Murrle
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.)
Evonik Operations GmbH
Original Assignee
Degussa 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 Degussa GmbH filed Critical Degussa GmbH
Application granted granted Critical
Publication of ES2040434T3 publication Critical patent/ES2040434T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
  • Eyeglasses (AREA)
  • Ceramic Products (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.
ES198989118634T 1988-10-19 1989-10-06 USE OF AN ALLOY WITH HIGH GOLD CONTENT FOR JEWELRY PIECES. Expired - Lifetime ES2040434T3 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ES2040434T3 true ES2040434T3 (en) 1993-10-16

Family

ID=6365457

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198989118634T Expired - Lifetime ES2040434T3 (en) 1988-10-19 1989-10-06 USE OF AN ALLOY WITH HIGH GOLD CONTENT FOR JEWELRY PIECES.

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
NO893393D0 (en) 1989-08-23
DE3835593C1 (en) 1989-11-16
DK517189A (en) 1990-04-20
EP0369156A1 (en) 1990-05-23
NO893393L (en) 1990-04-20
DE58904343D1 (en) 1993-06-17
NO172753B (en) 1993-05-24
FI894976A0 (en) 1989-10-19
ATE89330T1 (en) 1993-05-15
JPH02166244A (en) 1990-06-26
NO172753C (en) 1993-09-01
EP0369156B1 (en) 1993-05-12
DK517189D0 (en) 1989-10-18

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