US Patent Issued to AIKAWA FIBER TECHNOLOGIES on Oct. 28 for "Refiner filling piece having variably coated bars" (Canadian, American Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,793, issued on Oct. 28, was assigned to AIKAWA FIBER TECHNOLOGIES INC. (Sherbrook, Canada).

"Refiner filling piece having variably coated bars" was invented by Jens O. Heymer (Montreal), Ronald J. Defoe (Becket, Mass.) and Robert William Gooding (Montreal).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a refiner filling piece for a refiner having a rotor that rotates about an axis of rotation and cooperates with a stator to mechanically treat a pulp containing cellulosic fibers. The refiner filling piece is mountable to the rotor or the stator. The refiner filling piece comprises a base and a plurality of spaced-apart refiner bars, each ...