Method for the spinning and twisting of yarn on ring spinning frames and twisting frames
US4007581A · kind A · utility
0Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 18, 1975 |
| Grant date | Feb 15, 1977 |
| Priority date | — |
| Expiry date | Sep 18, 1995 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01H7/58
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
In the spinning or twisting of continuous fibrous material at a spinning or twisting frame station comprising a spindle for carrying a bobbin, a ring concentrically mounted about the spindle and supporting a traveler for guiding the fibrous material onto the bobbin and means for driving the ring and the spindle, the improvement comprising engaging the fibrous material at the head of the spindle thereby to reduce or eliminate ballooning of the fibrous material and rotating the ring at a lesser rate that the spindle thereby to decrease the tension on the yarn.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.