Carpet and method of manufacture therefor
US8574700B2 · kind B2 · utility
21Cited by
18References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 20, 2009 |
| Grant date | Nov 5, 2013 |
| Priority date | — |
| Expiry date | Feb 12, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/23979
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A carpet according to the present invention includes: a first air-impermeable layer (surface layer), a sound absorbent layer provided on a reverse side of the first air-impermeable layer, and a second air-impermeable layer (backing material layer) provided on a reverse side of the sound absorbent layer. In the carpet, a pile yarn is implanted through the first air-impermeable layer and the sound absorbent layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.