Disposable pull-on diaper having interior elastic sheets and exterior non-elastic sheets
US9433540B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2012 |
| Grant date | Sep 6, 2016 |
| Priority date | — |
| Expiry date | Jan 26, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F13/49413
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A disposable pull-on diaper having a central inelastic region in at least one of a front waist region and a rear waist region, and a method for manufacturing the same. Front and rear waist regions of a disposable pull-on diaper are respectively of an elastically non-stretchable exterior sheet and elastically stretchable interior sheets. In lateral elastic regions of this waist region, the interior sheets are attached under tension to an interior surface of the exterior sheet and, in a central inelastic region, the interior sheets are spaced apart from each other in a transverse direction and regions of the interior sheets are in an elastically contracted and relaxed state in vicinities of the lateral elastic regions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.