Floor covering underlayment
US5578363A · kind A · utility
41Cited by
16References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 1995 |
| Grant date | Nov 26, 1996 |
| Priority date | — |
| Expiry date | Jun 7, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249981
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A flooring installation is characterized by installing an underlayment between the flooring material and the subfloor. The underlayment includes a polymeric layer, preferably a foamed polymeric layer, and a fiber mat, preferably a glass fiber. The foamed polymer interpenetrates at least the lower portion of the glass mat. A portion of the fiber mat is preferably unsaturated. The fiber mat may have an acrylic latex tie coat opposite the foamed polymer layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.