US Patent Issued to Okuma on Oct. 6 for "Cutting fluid circulation device" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,752,386, issued on Oct. 6, was assigned to Okuma Corp. (Niwa-Gun, Japan).

"Cutting fluid circulation device" was invented by Yukio Goto (Niwa-Gun, Japan), Satoshi Aoyama (Niwa-Gun, Japan) and Hikaru Arai (Niwa-Gun, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cutting fluid circulation device includes a tank reservoir, a drum filter, and a pump. The tank reservoir stores cutting fluid discharged from a machine tool. The drum filter is disposed in the tank reservoir. The drum filter performs as a primary filter that filters cutting fluid. The pump pumps up cutting fluid in the tank reservoir. An annular flow channel in which the cutting fluid fil...