| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of manufacturing a semifinished product for jewelry, which enables manufacture of the high-quality and stable-quality semifinished product for the jewelry, and a method of manufacturing the jewelry.SOLUTION: A method of manufacturing a semifinished product for jewelry comprises a heating and pressurization step of performing high frequency induction heating while pressurizing a plurality of base materials 3 and a plurality of brazing filler metals 4, which are alternately stacked, in a stacking direction by a pressure plate 53. The plurality of base materials 3 are joined together in the stacking direction by the plurality of brazing filler metals 4 by the heating and pressurization step. |
