Apparatus and method for the manufacture of fibrous webs
US4686006A · kind A · utility
28Cited by
8References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 6, 1986 |
| Grant date | Aug 11, 1987 |
| Priority date | — |
| Expiry date | Feb 6, 2006 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21F11/002
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Apparatus and method for laying down a fibrous web from a foam-fiber furnish. A headbox includes walls defining an elongate channel extending transversely of the direction of movement of the forming wire. Foam-forming nozzles are positioned to introduce foam-fiber furnish into the channel for turbulence - inducing impact on an oppositely disposed wall defining the channel. The turbulently flowing foam-fiber furnish is then introduced to the headbox slice for discharge onto the forming wire with minimized MD orientation of the fibers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.