Title:
銅合金
Document Type and Number:
Japanese Patent JP4095666
Kind Code:
B2
Abstract:
A fish cultivation net 3 has a rhombically netted form made by arranging a large number of waved wires 6 in parallel such that the adjacent wires are entwined with each other at their curved portions 6a. The wires 6 has a composition containing 62 to 91 mass% of Cu, 0.01 to 4 mass% of Sn, and the balance being Zn. The Cu content [Cu] and the Sn content [Sn] in terms of mass% satisfy the relationship 62 ¤ [Cu]-0.5[Sn] ¤ 90. The copper alloy material has a phase structure including an ± phase, a ³ phase, and a ´ phase and the total area ratio of these phases is 95 to 100%.
Inventors:
Keiichiro Oishi
Application Number:
JP2006531701A
Publication Date:
June 04, 2008
Filing Date:
August 10, 2005
Export Citation:
Assignee:
Sanpo Shindoh Industry Co., Ltd.
International Classes:
C22C9/04; B22D11/00; B22D11/04; B22D17/00; B22D21/00; B22D27/20
Domestic Patent References:
| JP3964930B2 |
Attorney, Agent or Firm:
Hisami Miki