Self-supporting yarn package
US5806775A · kind A · utility
5Cited by
26References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 16, 1996 |
| Grant date | Sep 15, 1998 |
| Priority date | — |
| Expiry date | Jul 16, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S242/92
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A self supporting, helically wound package of yarn suitable for being payed out by withdrawing the yarn without collapse of the package is disclosed. The yarn comprises a strand of individual filaments, the strand having a primary cross-sectional shape and periodic flat spots with a flat cross-sectional shape which is more elongated than the primary cross-sectional shape. The package has edge portions positioned axially at the ends of the package, and the flat spots are positioned in the edge portions of the package.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.