Disposable diaper
US6641570B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 9, 2001 |
| Grant date | Nov 4, 2003 |
| Priority date | — |
| Expiry date | Jul 9, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F13/495
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A disposable diaper that includes a panel structure composed of a base sheet and a core attached thereto and a sheet member 9 extending above the panel structure. The panel structure has a pair of first side slaps extending in a longitudinal direction and a pair of end flaps extending in a transverse direction. The sheet member includes a pair of side walls biased to rise above the panel structure and a top wall biased to be spaced upward from the panel structure. The side walls have side edge portions bonded to the vicinity of transversely opposite side edges of the core and first end portions bonded to the end flaps. The top wall has an opening defined between the side walls, second end portions bonded to the end flaps and second side flaps extending outside the top edges of the respective side walls 10 in parallel to the first side flaps. Transversely opposite side edge portion of these flaps that overlap each other in the front and rear waist regions are bonded to each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.