ALEXANDRIA, Va., July 3 -- United States Patent no. 12,344,502, issued on July 1, was assigned to Horizon International Inc. (Takashima, Japan).
"Index tab forming system" was invented by Jun Mochizuki (Takashima, Japan) and Yasuo Taketsugu (Takashima, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An index tab forming system sequentially forms index tabs to a plurality of sheets without replacing a blade die. The index tab forming system includes a rotary die cutter 5 on which a long blade die that can form an index tab at any position of the sheet in the conveyance direction is mounted. Furthermore, the index tab forming system includes a rotational speed calculation unit configured to calculate the ...