Perforated nonwoven fabrics
US5714107A · kind A · utility
144Cited by
23References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 2, 1996 |
| Grant date | Feb 3, 1998 |
| Priority date | — |
| Expiry date | Jul 2, 2016 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD04H1/54
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The invention provides a perforated nonwoven web fabricated from a bonded thermoplastic polymer web. The perforated nonwoven web contains a multitude of self-sustaining sustaining perforations that are substantially free of melt-fused edges and can be characterized as stretch-opened perforations. The invention further provides a process for producing the perforated nonwoven web.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.