Yarn withdrawal nozzle for an open-end rotor spinning machine
US10036106B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 14, 2016 |
| Grant date | Jul 31, 2018 |
| Priority date | — |
| Expiry date | Aug 31, 2036 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01H4/40
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A yarn withdrawal nozzle 13 for an open-end rotor spinning device 1 with at least two ferromagnetic projections for magnetically coupling to permanent magnets 31 arranged in depressions of a holder in the cover element 8 of a rotor housing 2, wherein the ferromagnetic projections correspond in their arrangement and dimensions to the depressions 30 in the holder. The ferromagnetic projections are formed directly in the yarn withdrawal nozzle 13 made from a non-magnetic material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.