ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,885, issued on Oct. 14, was assigned to FUJI SPRINGS Co. INC. (Asago, Japan).
"Method of manufacturing bottomed container, and press system" was invented by Toshihiro Odagaki (Asago, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "To suppress warping at a bottom of a workpiece when manufacturing a bottomed box-section cylindrical container by molding a workpiece from a flat plate state to a box-section cylindrical shape state having a bottom by performing multiple press-drawing steps by using multiple molds each having a long-hole-shaped shaping hole. A first press-drawing step is performed using a first mold having a first shaping hole having ...