Multi-ply spun yarn and method for producing the same
US5107671A · kind A · utility
9Cited by
13References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 1990 |
| Grant date | Apr 28, 1992 |
| Priority date | — |
| Expiry date | Nov 30, 2010 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01H1/115
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A multi-ply spun yarn having a self-converging property and a method for producing it. In the method wherein fiber is drafted first and introduced into an air jetting twisting device, and then yarns spun out by the twisting device are joined together by a guide member and taken up onto a take-up device, the twisted yarns are joined together after separated by a separating guide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.