Varied density nonwoven
US7157137B2 · kind B2 · utility
11Cited by
9References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 3, 2004 |
| Grant date | Jan 2, 2007 |
| Priority date | — |
| Expiry date | Aug 3, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/697
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A nonwoven having varying densities of the fibers that make up the nonwoven. The nonwoven has a length direction x, a width direction y, and a thickness direction z. The density of the fibers 11 in the nonwoven 10 varies long the width direction y of the nonwoven 10.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.