Thermoplastic fiber laminate
US5466516A · kind A · utility
20Cited by
16References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 10, 1993 |
| Grant date | Nov 14, 1995 |
| Priority date | — |
| Expiry date | Sep 10, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24826
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A three layer laminated sheet of nonwoven thermoplastic fibers made by laminating a layer of meltblown fibers between two layers of needle punched fibers, and ultrasonically welding the layers together at a number of discrete points uniformly across the length and width of the sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.