Elastic nonwoven webs and method of making same
US5470639A · kind A · utility
100Cited by
16References
55Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 3, 1992 |
| Grant date | Nov 28, 1995 |
| Priority date | — |
| Expiry date | Feb 3, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/681
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A spunbonded elastic nonwoven fabric comprises a web of bonded thermoplastic filaments of a thermoplastic elastomer. The spunbonded fabrics of the invention are prepared in a slot draw spunbonding process operated at a rate of less than about 2000 meters per minute. The elastic fabric is used in absorbent products, such as disposable diapers, adult incontinence pads, sanitary napkins and the like, and as coverstock for absorbent personal care products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.