Arrangement for producing a spun thread from a staple fiber strand
US7328569B2 · kind B2 · utility
1Cited by
7References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 15, 2004 |
| Grant date | Feb 12, 2008 |
| Priority date | — |
| Expiry date | Oct 15, 2024 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01H5/66
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An arrangement for producing a spun thread includes a drafting unit having a delivery roller pair and an airjet assembly arranged downstream thereof. In the airjet assembly, a vortex chamber with an air evacuation channel is provided. Furthermore, at least one cleaning channel is provided, which is arranged with a suction opening to the delivery roller pair. This cleaning channel is connected by a mouthpiece to the air evacuation channel. A compressed air opening of an injector channel is located in the area of the mouthpiece. The injector channel increasing the low pressure of the air evacuation channel when required.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.