US Patent Issued to NIDEK on May 20 for "Grinding water treatment device for eyeglasses lens processing" (Japanese Inventor)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,836, issued on May 20, was assigned to NIDEK Co. LTD. (Aichi, Japan).

"Grinding water treatment device for eyeglasses lens processing" was invented by Ryuma Sakuda (Aichi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A grinding water treatment device for eyeglasses lens processing includes a centrifugal separator, a scraping unit, an opening, and a filter. The centrifugal separator includes a dehydration tank into which grinding water used in a processing device of an eyeglasses lens is introduced, and separates the grinding water into water and processing chips by rotation of the dehydration tank. The scraping unit scrapes out the processin...