Controlled loft and density nonwoven webs and method for producing
US6588080B1 · kind B1 · utility
19Cited by
62References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2000 |
| Grant date | Jul 8, 2003 |
| Priority date | — |
| Expiry date | Mar 30, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/23964
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A lofty, nonwoven material having a nonwoven web having a plurality of substantially continuous fibers oriented in a z-direction of the nonwoven web and a method for producing the lofty, nonwoven material from as-formed z-direction fibers. The method is fast, having no mechanical manipulation of the fibers to slow it down, easily adjustable and allows for in-line processing. The material can be varied from preponderantly open to preponderantly closed in its web structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.