Irregular patterned entangled nonwoven fabrics and their production
US5204158A · kind A · utility
22Cited by
5References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 30, 1991 |
| Grant date | Apr 20, 1993 |
| Priority date | — |
| Expiry date | May 30, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24736
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An entangled fibre nonwoven fabric containing irregular sized apertures in a random irregular nonrepeating pattern in disclosed. In the method of the invention, a fibrous web is caused to be displaced out of registry with the forming member between fluid impacts by columnar jets of water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.