NO172753C - USE OF HIGHLY GOLD CONTENTS FOR JEWELRY GOODS - Google Patents

USE OF HIGHLY GOLD CONTENTS FOR JEWELRY GOODS

Info

Publication number
NO172753C
NO172753C NO893393A NO893393A NO172753C NO 172753 C NO172753 C NO 172753C NO 893393 A NO893393 A NO 893393A NO 893393 A NO893393 A NO 893393A NO 172753 C NO172753 C NO 172753C
Authority
NO
Norway
Prior art keywords
highly
weight
gold
gold contents
jewelry goods
Prior art date
Application number
NO893393A
Other languages
Norwegian (no)
Other versions
NO893393L (en
NO893393D0 (en
NO172753B (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 NO893393D0 publication Critical patent/NO893393D0/en
Publication of NO893393L publication Critical patent/NO893393L/en
Publication of NO172753B publication Critical patent/NO172753B/en
Publication of NO172753C publication Critical patent/NO172753C/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)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Adornments (AREA)
  • Ceramic Products (AREA)
  • Eyeglasses (AREA)
  • Compositions Of Macromolecular Compounds (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.
NO893393A 1988-10-19 1989-08-23 USE OF HIGHLY GOLD CONTENTS FOR JEWELRY GOODS NO172753C (en)

Applications Claiming Priority (1)

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

Publications (4)

Publication Number Publication Date
NO893393D0 NO893393D0 (en) 1989-08-23
NO893393L NO893393L (en) 1990-04-20
NO172753B NO172753B (en) 1993-05-24
NO172753C true NO172753C (en) 1993-09-01

Family

ID=6365457

Family Applications (1)

Application Number Title Priority Date Filing Date
NO893393A NO172753C (en) 1988-10-19 1989-08-23 USE OF HIGHLY GOLD CONTENTS FOR JEWELRY GOODS

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
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
DK517189A (en) 1990-04-20
EP0369156A1 (en) 1990-05-23
EP0369156B1 (en) 1993-05-12
ES2040434T3 (en) 1993-10-16
DE3835593C1 (en) 1989-11-16
ATE89330T1 (en) 1993-05-15
NO893393L (en) 1990-04-20
FI894976A0 (en) 1989-10-19
NO893393D0 (en) 1989-08-23
JPH02166244A (en) 1990-06-26
NO172753B (en) 1993-05-24
DK517189D0 (en) 1989-10-18
DE58904343D1 (en) 1993-06-17

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