ALEXANDRIA, Va., June 2 -- United States Patent no. 12,642,709, issued on June 2, was assigned to ZUIKO Corp. (Ibaraki, Japan).
"Apparatus and method for manufacturing absorbent core for disposable wearable articles" was invented by Yosuke Iwamura (Ibaraki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for manufacturing an absorbent core includes: a first drum that has a first area for sucking and stacking fibers on an outer peripheral portion of the first drum and stack a first core portion in the first area; and a second drum that has a plurality of second areas, smaller than the first area, for sucking and stacking the fibers on an outer peripheral portion of the second drum and that s...