Process for preparing slub yarns
US4324095A · kind A · utility
3Cited by
14References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 11, 1978 |
| Grant date | Apr 13, 1982 |
| Priority date | — |
| Expiry date | Jan 11, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2976
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Slub yarns are prepared by adding 10-50% by weight 0.25 to 1 in. long bicomponent acrylic fibers having a density of about 1.0 to 1.17 g/cm.sup.3 and an equilibrium crimp reversibility of at least about 20% with staple fibers during or before carding and processing to a slub containing spun yarn in a conventional manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.