Title:
DRILL POLISHING TOOL
Document Type and Number:
Japanese Patent JP2023097855
Kind Code:
A
Abstract:
To provide a drill polishing device which can easily polish a drill attached to a drilling tool.SOLUTION: A drill polishing tool 10 for polishing a pair of cutting blades 40 at a tip 32 of a drill 30 comprises: a casing part 12 having an insertion port for insertion of the tip 32 of the drill 30; a regulation part 16 which is provided on the casing part 12, and regulates rotation of the drill 30; and a pair of grindstone parts 30a, 30b which are provided in the casing part 12, have an angle coincident with a predetermined point angle for the tip 32 of the drill 30, follow rotation of a rotary tool and respectively rotate while contacting the pair of cutting blades 40.SELECTED DRAWING: Figure 1
Inventors:
NISHI TOMITADA
Application Number:
JP2021214206A
Publication Date:
July 10, 2023
Filing Date:
December 28, 2021
Export Citation:
Assignee:
NISHI TOMITADA
International Classes:
B24B3/24
Attorney, Agent or Firm:
Yoshinobu Ueda