Sanitary napkin having core predisposed to a convex upward configuration
US6986761B1 · kind B1 · utility
15Cited by
25References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 3, 1995 |
| Grant date | Jan 17, 2006 |
| Priority date | — |
| Expiry date | Feb 3, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F13/4704
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A sanitary napkin which deforms to a convex upwardly shaped cross section. The sanitary napkin has a line of weakness which is symmetric about the longitudinal axis and longitudinally concave towards the lateral centerline. In a preferred embodiment, the line of weakness is discontinuous and comprises discrete sites joining the topsheet and core. The discrete sites may be bilaterally staggered about the line of weakness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.