Paper diaper and method for manufacturing extensible sheet used in the diaper
US7777094B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Mar 14, 2002 |
| Grant date | Aug 17, 2010 |
| Priority date | — |
| Expiry date | May 14, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/49036
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A disposable diaper having: an elastic portion where a plurality of elastic members is provided along a width direction with an interval of not more than 7.0 mm in a longitudinal direction, and a non-elastic portion wherein the non-elastic portion is in a center of at least one of a front side and a back side and the elastic portion is provided in a region including right-and-left side portions except the non-elastic portion, and a difference between a maximum product width obtained when the body peripheral region is extended to a limit of extension in a product width direction and a contracted product width obtained when the body peripheral region is in a non-extended contraction state is from 100 to 250 mm in a state where the front side and the back side are overlapped.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.