Method and apparatus for producing spun yarn
US4593522A · kind A · utility
4Cited by
9References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 2, 1983 |
| Grant date | Jun 10, 1986 |
| Priority date | — |
| Expiry date | Jun 2, 2003 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01H4/04
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An apparatus and method for producing a spun yarn having true twist comprising extracting staple fibers from a bundle of staple fibers; and collecting the extracted staple fibers on the periphery of a spinning rotor; and recontacting the extracted fibers with the bundle of staple fibers to form a combined untwisted yarn; and twisting the combined untwisted yarn to produce a twisted yarn; and withdrawing the twisted yarn from the spinning rotor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.