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:
Feb. 06, 2024
Filed:
Sep. 11, 2017
Zuiko Corporation, Osaka, JP;
Hideyuki Nakamura, Osaka, JP;
Miwa Koshijima, Osaka, JP;
ZUIKO CORPORATION, Osaka, JP;
Abstract
A stretchable sheetincludes: a plurality of attached portionsspaced apart from each other in the direction of stretch Df, wherein the first surfacesandof a pair of sheetsandare attached to each other by being welded without using an adhesive, at the attached portions, the attached portionshold elastic members F, and the attached portionsextend in a direction Dp crossing the direction of stretch Df of the elastic members F; and a plurality of folds P that appear between the attached portionswhile the elastic members F are shrunk, wherein the attached portionsinclude: a plurality of strongly-attached portionsarranged on opposite sides of each elastic member F in the crossing direction Dp; and a plurality of weakly-attached portionsarranged between adjacent elastic members F and between adjacent strongly-attached portions