Nonwoven fabrics containing yarns with varying filament characteristics
US7174612B2 · kind B2 · utility
16Cited by
52References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 9, 2004 |
| Grant date | Feb 13, 2007 |
| Priority date | — |
| Expiry date | Jun 30, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/689
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The subject invention provides non-woven fabrics having yarns of varying characteristics. In a preferred embodiment the subject invention provides nonwoven fabrics that comprise yarns of different deniers or cross sections. The use of these yarns gives the nonwoven fabric a unique appearance and advantageous properties. The subject invention further pertains to the processes used to produce these fabrics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.