Process for making a stretchable nonwoven web
US6887423B2 · kind B2 · utility
9Cited by
9References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 24, 2002 |
| Grant date | May 3, 2005 |
| Priority date | — |
| Expiry date | Jul 23, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/681
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A process for preparing nonwoven webs including multiple component continuous filaments having high levels of three-dimensional helical crimp utilizing draw rolls to provide a high degree of orientation to each of the polymeric components by mechanically drawing the filaments under conditions wherein the polymeric components remain substantially amorphous and a stretchable nonwoven web including multiple component, continuous filaments having high levels of three-dimensional helical crimp.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.