| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a brazed tool having no contamination on a surface of the tool by corrosive gas generated from flux of a brazing filler metal even when being left over a long time after once used in dry cutting. <P>SOLUTION: In this brazed tool, a blade part 13 having a cutting blade 15 and a shank part 12 are joined together by brazing, a brazing shaft part 13A having an outside diameter smaller than a distal end is formed on a rear end of the blade part 13, a brazing hole part 12A into which the brazing shaft part 13A is inserted to be brazed is formed on a distal end of the shank part 12, and a diameter expansion part 13B having an outside diameter gradually increasing toward the distal end side from an opening of the brazing hole part 12A with respect to the brazing shaft part 13A is formed on the distal end side of the brazing shaft part 13A of the blade part 13. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
