US Patent Issued to NIPPON STEEL on Dec. 30 for "Laminated core and method for manufacturing laminated core" (Japanese Inventor)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,735, issued on Dec. 30, was assigned to NIPPON STEEL Corp. (Tokyo).

"Laminated core and method for manufacturing laminated core" was invented by Takashi Aramaki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A laminated core 10 includes electrical steel sheets 1 and adhesive insulating coatings 2 alternately stacked and has a lamination direction D tensile strength of adhesive bond of 20 MPa or more measured under a 25deg C. condition after a complete reaction of each adhesive insulating coating 2. A method for manufacturing a laminated core 10 includes a punching step of punching an electrical steel sheet coated with an adhesive insulating c...