Disposable diaper with cushioning unit adjacent a leg stretch unit in the longitudinal direction
US9517167B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 4, 2013 |
| Grant date | Dec 13, 2016 |
| Priority date | — |
| Expiry date | Mar 18, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/49098
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A disposable diaper includes: a pair of leg stretch units formed along a leg hole openings and being stretchable in at least a product longitudinal direction; and a cushioning unit provided adjacent to each of ends of the leg stretch units in the product longitudinal direction. Each of the leg stretch units is configured from a stretchable sheet member. A ratio of expansion and contraction of each of the cushioning units is lower than a ratio of expansion and contraction of the leg stretch units. At least a part of each of the cushioning units has a dimension in a product widthwise direction greater than a width of the leg stretch units in the product widthwise direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.