High draft apparatus in spinning machine
US4387487A · kind A · utility
21Cited by
6References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 14, 1980 |
| Grant date | Jun 14, 1983 |
| Priority date | — |
| Expiry date | Oct 14, 2000 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01H5/00
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A high draft apparatus in a spinning machine for forming a spun yarn from a roving or sliver. The draft apparatus comprises back rollers, apron-provided middle rollers and front rollers and a gripping and a pressing means for a sliver disposed on the front end portion of the apron so that the arrangement of fibers in the drafted sliver is regulated and a high draft ratio can be attained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.