Apparatus for producing a yarn
US7752832B2 · kind B2 · utility
1Cited by
7References
34Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 14, 2003 |
| Grant date | Jul 13, 2010 |
| Priority date | — |
| Expiry date | Oct 6, 2026 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD02G3/286
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An apparatus for producing a yarn including reciprocating twisting stage (4) adapted to simultaneously twist one or more slivers to produce one or more twisted strands, including one or more rollers (6a, 6b) arranged to move reciprocally (B) along the axis of rotation of the roller(s) to input twist to the sliver(s), and control means enabling control and variation of one or more of: (a) rotation speed of the rollers(s); (b) extent of transverse movement of the roller(s)s; or (c) speed of the transverse movement of the roller(s), to vary the twist imparted to the sliver(s) or strand(s).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.