Dust removing mechanism in open-end spinning frame
US4308717A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 13, 1980 |
| Grant date | Jan 5, 1982 |
| Priority date | — |
| Expiry date | Feb 13, 2000 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01H4/36
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
In the open-end spinning unit provided with a casing and a combing roller rotatably mounted in the casing, a spinning rotor producing a twisted yarn from individual fibers carried from a combing zone defined by the combing roller, a carrying space formed between the combing roller and the inside surface of the casing, a mechanism for feeding a bundle of fibers into an upstream terminal of the carrying space, a dust removing mechanism communicated with the carrying space for discharging dust particles separated from useful fibers carried to the spinning rotor, and a combing roller provided with a plurality of combing elements, helically mounted on a main cylindrical surface thereof, the inside top or bottom surface of the dust removing formed in the dust removing mechanism is projected inside to a level corresponding to a level defined by an imaginary plan of a rotational trace of either one of the terminal ends of the combing elements helically mounted on a cylindrical body of the combing roller, in the condition relative to the possible flying direction influenced by the component force of the centrifugal force created by the high speed motion of said combing elements of the combi…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.