Hollow spindle, in particular for the manufacture of elastic twisted yarns
US6293079A · kind A · utility
4Cited by
4References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 19, 2000 |
| Grant date | Sep 25, 2001 |
| Priority date | — |
| Expiry date | Apr 19, 2020 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD02G3/322
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A hollow spindle, in particular for the manufacture of elastic twisted yarns, has a thread channel (9) extending coaxially with respect to the axis of the spindle (A), through which thread channel is axially moved a yarn (6), in particular an elastic core yarn. The thread channel (9) has ribs (10) on its inner surface (8a), which extend in peripheral direction or helically and project inwardly over the surface (8a), so that the yarn (6) running through the thread channel (9) rests only pointlike on the ribs, otherwise, however, is supported at a distance from the inner surface (8a).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.