Nozzle beam with means for setting working width and method for setting working width of a nozzle strip
US7441315B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 17, 2006 |
| Grant date | Oct 28, 2008 |
| Priority date | — |
| Expiry date | Jan 17, 2026 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD04H18/04
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The nozzle beam is arranged on a device for generation of liquid streams for the treatment of fibres of a material web running along the nozzle beam. The nozzle beam comprises an upper piece (4), running across the working width of the web and a lower piece (5), which runs out into a liquid outlet slot (10). According to the invention, a nozzle strip (14) is arranged below the liquid outlet slot (10) and an easily detachable so-called masking strip (18) is mounted directly above the above in a liquid-tight manner, when viewed in the flow direction of the water jet. A part of the nozzle outlet opening on the nozzle strip is covered by the masking strip (18) and a part is left free, whereby liquid jets emerge from the part left free and form a continuous liquid curtain. According to the invention, a nozzle strip (14) with a maximum stream width is fitted to the nozzle beam. When a reduced stream width is required, a corresponding masking strip (18) is fitted which covers the non-required nozzle drillings in the outer regions of the nozzle strip (14). A simple and economical adjustment of the working width is thus possible, only that energy required for the process is used and the com…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.