False twisting apparatus
US4237686A · kind A · utility
1Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 1, 1979 |
| Grant date | Dec 9, 1980 |
| Priority date | — |
| Expiry date | Mar 1, 1999 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD02G1/082
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention concerns a false twist apparatus (1) with friction discs (3) arranged at mutual distances on a shaft (2) and with thread guides (4) extending to between the discs (3), for imparting twist to a thread (11) guided friction-contactingly over the friction discs by the thread guides. The thread guides in this arrangement are provided with a concave curvature, as seen with respect to the direction of movement of the twist imparting surface (F).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.