Arrangement device for producing a spun thread
US7281366B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 14, 2004 |
| Grant date | Oct 16, 2007 |
| Priority date | — |
| Expiry date | Feb 14, 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 from a staple sliver including a drafting unit and an air jet aggregate arranged downstream thereof. A vortex chamber with an air evacuation channel is located in the air jet aggregate. A cleaning channel is arranged to the delivery roller pair of the drafting unit, which cleaning channel is connected, together with the air evacuation channel to a joint vacuum source. The cleaning channel runs preferably into the air evacuation channel in the inside of the air jet aggregate. The cleaning channel is preferably aligned against the pressure roller of the delivery roller pair. Further suction openings can be additionally arranged to the bottom rollers of the drafting unit, which suction openings are also connected to the joint vacuum source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.