Process for producing nonwoven fabric
US5292389A · kind A · utility
7Cited by
7References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 6, 1992 |
| Grant date | Mar 8, 1994 |
| Priority date | — |
| Expiry date | Mar 6, 2012 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD04H1/42
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A process for producing a nonwoven fabric having the steps of: bonding polypropylene long-fibers constituting main fibers of the web to one another to produce a raw nonwoven fabric; and uniaxially drawing the raw nonwoven fabric at certain draw temperatures and draw magnifications to produce a final nonwoven fabric.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.