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:
Jul. 03, 2012
Filed:
Mar. 31, 2008
Masaki Nakakado, Osaka, JP;
Masaki Nakakado, Osaka, JP;
Zuiko Corporation, Osaka, JP;
Abstract
A method for producing a disposable worn article and a laminated stretchable sheet of the present invention includes: a step of forming stretched elastic sheet pieces Ffrom a continuous elastic sheet; a step of carrying continuous webs Wa and Wb to be torso portions; a step of placing the elastic sheet pieces Fintermittently on the continuous webs Wa and Wb; a step of bonding opposite end portions of the elastic sheet pieces Fin the longitudinal direction to the continuous webs Wa and Wb by an adhesive, during the placement; an ultrasonic attachment step of forming a laminated stretchable sheet in an overlap portion between an intermediate portion between the opposite end portions of the elastic sheet piece Fand the continuous webs; a placement step of placing core portions C, each of which forms a crotch portion, between adjacent ones of the elastic sheet pieces F; and a step of cutting off the laminated stretchable sheet between adjacent ones of the core portions C.