Drawing frame-roving frame combination for the production of rove by means of a pneumatic spinning process
US7647760B2 · kind B2 · utility
3Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 6, 2004 |
| Grant date | Jan 19, 2010 |
| Priority date | — |
| Expiry date | Sep 1, 2025 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01H1/115
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A drawing frame-slubbing machine combination for manufacturing a roving yarn from a fiber assembly is disclosed. The drawing frame-slubbing machine combination includes a drawing frame for doubling and stretching a fiber assembly into a drafter sliver and a slubbing machine with a twist application component configured to apply a true twist to the drafter sliver by one or more air flows.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.