Title:
MATERIAL FOR PERSONAL ORNAMENT
Document Type and Number:
Japanese Patent JP2003193154
Kind Code:
A
Abstract:
To provide a material for personal ornaments in which surface oxidation is suppressed when casting personal ornaments composed of a gold alloy and resultantly the casting surface of the personal ornaments taken out of gypsum molds can be provided with a good finish and accordingly a polishing step can be simplified.
This material for personal ornaments, incorporates beryllium- copper into the gold alloy. The incorporation of beryllium-copper into the gold alloy can effectively prevent surface oxidation at casting and provide a good finish to the casting surface.
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Inventors:
HORINOUCHI MIKIO
YAMAGUCHI MASAFUMI
YAMAGUCHI MASAFUMI
Application Number:
JP2001395692A
Publication Date:
July 09, 2003
Filing Date:
December 27, 2001
Export Citation:
Assignee:
SANBERUNAARU KK
International Classes:
C22C5/02; (IPC1-7): C22C5/02
Attorney, Agent or Firm:
Asakawa Satoshi