The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 02, 2026
Filed:
Oct. 03, 2022
Zuiko Corporation, Ibaraki, JP;
Yosuke Iwamura, Ibaraki, JP;
ZUIKO CORPORATION, Ibaraki, JP;
Abstract
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 successively transfers second core portions stacked in each of the second areas to the first drum, wherein the second drum is rotated at a high first circumferential velocity when the second drum transfers each of the second core portions and, the second drum is rotated at a second circumferential velocity, lower than the first circumferential velocity, in non-transfer time, which is after the transfer and until subsequent transfer.