ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,619, issued on Jan. 20, was assigned to TOYO SEIKAN GROUP HOLDINGS LTD. (Tokyo).
"Drawn/ironed can and coated metal sheet for drawn/ironed cans" was invented by Hiromi Yamamoto (Yokohama, Japan), Takuya Kashiwakura (Yokohama, Japan), Arata Sakuragi (Yokohama, Japan) and Nan Zhang (Yokohama, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to a drawn/ironed can having at least an inner surface coating film on a can inner surface side, the inner surface coating film containing a polyester resin and a curing agent, and a stress relaxation ratio of the inner surface coating film after 10 minutes at 1% elongation in a can botto...