| 摘要 |
PROBLEM TO BE SOLVED: To easily manufacture a ring in the shape of a plait. SOLUTION: Precious metal clay is molded individually in the developed shape of two belt members 12 and 12 forming the shape of flat belts having zigzag meander parts 13 and 13, these meander parts 13 and 13 are plaited so as to successively form crossing parts X where arrangement in the direction of thickness is different from each other, a plait body 20 thus obtained is curved, and a molded body obtained by connecting the ends 21 of it with each other is baked to form a ring main body.
|
