Method of and apparatus for producing thick regions in a filament yarn
US5836146A · kind A · utility
1Cited by
2References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 25, 1997 |
| Grant date | Nov 17, 1998 |
| Priority date | — |
| Expiry date | Sep 25, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2922
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The distribution of thick regions along a filament yarn can have a random character if the thick regions of a filament from a first stretching zone are heated in a second stretching zone and thereby permitted to stretch and reduce in thickness. The heating in the second zone is out of phase with the thick regions of the first stretching zone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.