Opening cylinder for open-end spinning machines or the like
US4625366A · kind A · utility
9Cited by
4References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 16, 1985 |
| Grant date | Dec 2, 1986 |
| Priority date | — |
| Expiry date | Oct 16, 2005 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01H4/32
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to an opening cylinder for open-end spinning machines or the like comprising a cylindrical basic body (1) with helically extending grooves (2) for the accommodation for fittings. To achieve high combing quality with easy replaceability of the fittings and low cost weight-saving design of the basic body, it is provided according to the invention that the grooves (2) for the accommodation of the root (9) of a needle-bar (8) exhibit an undercut and run at an acute angle (.alpha.) to the longitudinal axis (3) of the cylindrical basic body (1).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.