Method and apparatus for depositing particulate material in a fibrous web
US6202259A · kind A · utility
8Cited by
7References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 1999 |
| Grant date | Mar 20, 2001 |
| Priority date | — |
| Expiry date | Dec 3, 2019 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01G25/00
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method and apparatus for depositing particulate material (30, 36) in an airlaid fibrous web (94) includes a moving of a forming surface (22) through a forming chamber (24), and a laying of a fibrous material (96) onto the forming surface to form the fibrous web. The particulate material is delivered into the forming chamber with an arcuate curved nozzle (86) which is positioned within the forming chamber at a location spaced from the forming surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.