Title:
金属体製造方法、その装置および金属体
Document Type and Number:
Japanese Patent JP4593690
Kind Code:
B1
Abstract:
When manufacturing a ring and a pendant from a single metal plate, the number of the twist is determined so that a predetermined feature pattern may occurs regardless size on the surface of a male ring and a female ring. The feature pattern depends on the method of the laminating of two or more metal plates, the kind of metal plate, thickness, etc. for example. The number of times of twist concerned is determined based on these information,
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Inventors:
Masaki Takahashi
Application Number:
JP2010134052A
Publication Date:
December 08, 2010
Filing Date:
June 11, 2010
Export Citation:
Assignee:
Co., Ltd.
International Classes:
B44C3/02
Domestic Patent References:
| JPS5436593U | 1979-03-09 | |||
| JPH1014623A | 1998-01-20 |
Attorney, Agent or Firm:
Masahiro Matsushita