Method of and apparatus for winding a filament onto a bobbin
US4359858A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 2, 1980 |
| Grant date | Nov 23, 1982 |
| Priority date | — |
| Expiry date | Jul 2, 2000 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01H1/38
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A yarn-body core is supported by an upright spindle adjacent a vertically displaceable yarn guide through which a yarn to be wound passes to the core. The core and spindle are rotated and simultaneously the guide is displaced upwardly along the core to wind the yarn on the core until an instant when a yarn package having a predetermined size is formed on the core. Thereafter the guide is lowered to a level below the core while the spindle continues to rotate to wind several turns of the yarn on the spindle below the core. The rotation rate of the spindle and the core is decreased to a relatively low level prior to the instant when the yarn package is completely formed and thereafter this rotation rate is decreased to a standstill in accordance with a predetermined program starting at the instant the yarn package is fully formed and ending when several turns have been wounded on the spindle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.