Method of manufacturing multilayer nonwoven fabric
US7955549B2 · kind B2 · utility
141Cited by
33References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 29, 2009 |
| Grant date | Jun 7, 2011 |
| Priority date | — |
| Expiry date | Jul 29, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24603
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A method of manufacturing a multilayer nonwoven fabric includes a supporting step of arranging on a predetermined surface of a permeable supporting member a multilayer fiber aggregate, a moving step of moving the multilayer fiber aggregate supported on the permeable supporting member in a prescribed direction by a predetermined moving device, and a spraying step of spraying a fluid onto the multilayer fiber aggregate moved in the prescribed direction in the moving step from the second surface by a predetermined spraying device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.