Apparatus for nonwoven fibrous web
US7168932B2 · kind B2 · utility
2Cited by
55References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2003 |
| Grant date | Jan 30, 2007 |
| Priority date | — |
| Expiry date | Aug 15, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/697
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Disclosed is an apparatus for producing nonwoven fibrous webs. The apparatus comprises an extrusion die, first and second fluid supplies in cooperation with the die, first and second extrusion capillaries, first counterbores allowing fluid communication between first capillaries and first supply and second counterbores allowing fluid communication between second capillaries and second supply, each first counterbore having at least two first capillaries extending therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.