ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,204, issued on Oct. 21, was assigned to ROKKO ENGINEERING Co. LTD. (Kobe, Japan).
"Bulk container" was invented by Mamoru Omuta (Kobe, Japan), Yukio Hanashiro (Kobe, Japan) and Yuuya Sekoguchi (Kobe, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A charging port 5 in an upper part is covered in an openable and closeable manner with a lid body 6 of a sliding door type (sliding type) that reciprocates horizontally. The lid body 6 reciprocates in conjunction with a movement of an operation member 50 provided in a side part of a container vessel 3 or at a location close to the side part. It is preferable that the charging port 5 includes an openin...