Zero twist yarn having periodic flat spots
US5731084A · kind A · utility
12Cited by
36References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 16, 1996 |
| Grant date | Mar 24, 1998 |
| Priority date | — |
| Expiry date | Jul 16, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2978
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A strand of individual filaments has 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 primary cross-sectional shape preferably has an aspect ratio within the range of from about 1:1 to about 6:1, and the flat cross-sectional shape preferably has an aspect ratio greater than about 6:1., with the period of the periodic flat spots being within the range of from about 0.2 to about 6 meters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.