US Patent Issued to TUNGALOY on July 28 for "Drill body and manufacturing method of drill body" (Japanese Inventor)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,507, issued on July 28, was assigned to TUNGALOY Corp. (Fukushima, Japan).

"Drill body and manufacturing method of drill body" was invented by Hiroya Shikama (Iwaki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drill body supplies a cutting fluid while securing stiffness of a leading end part. A body extends from a base end toward a leading end; a discharge groove to discharge chips; a fluid hole having a part which passes through an inside, of the body, of an inter-groove solid part of the discharge groove and causes a fluid to flow from the base end toward the leading end; and a mounting part in the leading end for mounting a cutting edg...