Method of and apparatus for producing thick/thin effects in an incompletely-oriented filamentary precursor yarn
US5890355A · kind A · utility
0Cited by
7References
17Claims
0Family size
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Key dates
| Filing date | Mar 25, 1997 |
| Grant date | Apr 6, 1999 |
| Priority date | — |
| Expiry date | Mar 25, 2017 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD02G3/34
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method of and apparatus for producing a thin/thick effect yarn provides a thin/thick effect by segmentwise stretching of a filamentary precursor yarn which is combined with a fully-stretched filamentary precursor yarn so that the latter supports the former. The combination can be effected by twisting, nub entanglement or winding of one yarn around the other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.