Coated pinned roller
US4122656A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 6, 1977 |
| Grant date | Oct 31, 1978 |
| Priority date | — |
| Expiry date | Oct 6, 1997 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01H4/32
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An opening roller for opening fibres fed to an open-end spinning machine has a cylindrical shell outwardly from which protrude a plurality of fibre-engaging teeth, each of which has a coating of wear-resistant ceramics or metallic material applied thereto. The teeth are formed as pointed ends of a plurality of pins passing through the cylindrical shell and the coating applied so as to cover the whole surface of each of the pins. The opening roller is provided with a flange extending from each end of the cylindrical shell and the wear-resistant coating may be applied to each of the protruding tooth portions, the outer surface of the cylindrical shell and the inner surface of the flanges.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.