Pull-on disposable diaper
AssigneeUni-Charm Corporation
InventorsTakaaki Shimada, Seiji Suzuki
Life of this patent
Estimating the term…
Abstract
A pull-on disposable diaper that is provided, in a vicinity of transversely opposite side edges in a rear waist region, with fastening tape strips. The fastening tape strips are adapted to hold the diaper in its rolled up state for disposal after the diaper has been used. Each of the tape strips includes a first portion extending longitudinally of the diaper parallel to the associated one of transversely opposite side edges and a second portion branched from the first portion that extends longitudinally of the diaper. Longitudinally opposite end regions of the first portion are bonded to edges of waist- and leg-openings. The second portion includes an anchoring zone adapted to be separably anchored on the outer peripheral surface of the rolled up diaper.
Claims8
A disposable diaper of pants-type comprising:
- a liquid-pervious topsheet;
- a liquid-impervious backsheet;
- a liquid-absorbent core disposed between said topsheet and said backsheet;
- a front waist region;
- a rear waist region;
- and
- a crotch region extending between said front and rear waist regions,
- said front and rear waist regions being placed upon each other with said topsheet inside along respective transversely opposite side edges of said diaper and bonded together to define a waist-opening and a pair of leg-openings, said waist-opening and said pair of leg-openings having an elastic stretchability circumferentially thereof,
- said diaper further comprising fastening tape strips for holding said diaper in a rolled up state thereof for disposal after said diaper has been used, said fastening tape strips being provided on an outer surface of said liquid-impervious backsheet in a vicinity of a respective one of said transversely opposite side edges of at least one of said front and rear waist regions,
- each of said fastening tape strips comprising a first portion extending in parallel to said side edges longitudinally of said diaper and a second portion extending from a predetermined region of said first portion longitudinally or transversely of said diaper, said first portion having longitudinally opposite end regions thereof bonded to said diaper in a vicinity of an edge of said waist-opening and in a vicinity of an edge of said leg-opening so that at least one of an intermediate region extending between said longitudinally opposite end regions of said first portion and said second portion defines an anchoring zone that is removably anchored on an outer peripheral surface of said rolled up diaper.
Dependencies are inferred from the claim text.