Primary backing of foamed polypropylene tapes and tufted carpets produced from the same
US4482595A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Mar 20, 1984 |
| Grant date | Nov 13, 1984 |
| Priority date | — |
| Expiry date | Mar 20, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/326
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A backing for tufted carpets, having improved tufting properties such as a small penetration resistance to tufting needles, a uniform distribution of values of penetration resistance and yet superior intrinsic properties, and a tufted carpet produced from the backing are provided, which backing is produced by weaving polypropylene tape yarns oriented by stretching, these polypropylene tape yarns comprising foamed polypropylene tape yarns having a foam content of 1.0 to 20%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.