Method of manufacturing absorbent article, manufacturing apparatus for absorbent body, and absorbent article manufactured thereby
Patent #: 8,071,837
Inventor(s): Tatsuya Saeki
Company: Uni-Charm Corporation
An elongated absorbent body has been patented by Unicharm. The body features aa high stiffness portion provided exclusively in a center portion in the longitudinal direction of the absorbent body, which high stiffness portion extends in the longitudinal direction anda plurality of slits exclusively at opposite end of the high stiffness portion in the longitudinal direction; an embossed portion formed to surround a region where the plurality of slits are formed. Each of the plurality of slits is a through hole extending from a surface to a back face of the absorbent body, formed by piercing a plurality of slitting blade in a thickness direction of the absorbent sheet in a state the absorbent sheet is stretched in a direction orthogonal to a direction of forming of slits, andthe plurality of the slits are disposed continuously with a predetermined interval therebetween.
View on USPTO