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US Patent 11759870 End mill and drilling method

Patent 11759870 was granted and assigned to Subaru Corporation on September, 2023 by the United States Patent and Trademark Office.

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Patent attributes

Patent Applicant

Subaru Corporation

Current Assignee

Subaru Corporation

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

Patent Inventor Names

Daisuke Ishimaru

Date of Patent

September 19, 2023

Patent Application Number

16847943

Date Filed

April 14, 2020

Patent Citations

US Patent 11052466 Cutting tool and manufacturing method thereof

US Patent 7431538 End mill for orbital drilling of fiber reinforced plastic materials

US Patent 7588396 End mill

US Patent 8142119 Method of orbital milling with an orbital end mill, an orbital end mill, and a cutting bit for an orbital end mill

US Patent 8714890 Cutter for drilling and reaming

US Patent 10525540 Cutting insert and cutting tool

Patent Primary Examiner

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Patent abstract

According to one implementation, an end mill for orbital drilling includes: a shank; a first cutting edge formed in a peripheral portion of the shank; and a second cutting edge formed in a bottom portion of the shank. At least a chamfered edge is formed on a first ridgeline between a first rake face and a first flank of the first cutting edge.

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