| 摘要 |
PROBLEM TO BE SOLVED: To provide the frame of spectacles excelling in processability and increased in the feeling of fitting, and its manufacturing method. SOLUTION: In the frame of spectacles, a bridge 3 or a browbar 4 or a temple 7 is formed of alloy containing Mn in the range of≥5 wt% and≤20 wt% and Al in the range of≥3 wt% and≤10 wt% and the balance Cu and an inevitable impurity element. COPYRIGHT: (C)2005,JPO&NCIPI
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