Nondiaphanous nonwoven fabric
US5049438A · kind A · utility
Inventor
Key dates
| Filing date | Apr 2, 1990 |
| Grant date | Sep 17, 1991 |
| Priority date | — |
| Expiry date | Apr 2, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/671
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A kind of highly nondiaphanous nonowoven laminate consists of a inner black nontransparent lamina of non-thermoplastic long staple fibers and two outer laminae of thermoplastic fiber. It is processed through heating, press and bonding of the three laminae of fiber web together. Therefore, it possesses the properties of high nondiaphaneity, wrinkle resistance, good appearance and touch to hands and is very suitable for uses as screens, cover cloth and other non-transparent piece-goods.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.