US Patent Issued to THE JAPAN STEEL WORKS on March 31 for "Mold clamping device and injection molding machine" (Japanese Inventor)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,537, issued on March 31, was assigned to THE JAPAN STEEL WORKS LTD. (Tokyo).

"Mold clamping device and injection molding machine" was invented by Souma Mitani (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A mold clamping device includes two mold platens; a plurality of ball screw mechanisms connecting the mold platens to each other; and a plurality of servo motors configured to drive the respective ball screw mechanisms. Each of ball screws respectively configuring the plurality of ball screw mechanisms is provided with a cover which covers at least a part of the corresponding ball screw between the two mold platens."

The patent was filed ...