Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hidehito Watanabe
Hironobu Saito
Hideki Osaki
Date of Patent
October 10, 2023
Patent Application Number
17134766
Date Filed
December 28, 2020
Patent Citations
Patent Primary Examiner
Patent abstract
It is an object of the present invention to provide a rotary cutting tool that can divide chips at an appropriate size, suppress the incidence of edge chipping and damage attributed to chips to the cutting tool and a workpiece, extend the tool service life with regard to the machining of hard, brittle materials, and improve machining efficiency. The rotary cutting tool includes a hard coat film
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