Method of separation and cleaning of post consumer carpet face yarn from carpet backing and yarn product produced therefrom
US8017662B2 · kind B2 · utility
5Cited by
16References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 29, 2008 |
| Grant date | Sep 13, 2011 |
| Priority date | — |
| Expiry date | Sep 6, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2969
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A process for producing a synthetic fiber composition with reclaimed post consumer carpet yarn, wherein face yarn is shaved from post consumer carpet using a shaving device to provide shaved face yarn, the shaved face yarn is reduced in size, contaminants are removed using mechanical screeners, the shave face yarn is melt filtered, and then fiber spun.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.