Floor underlayment having self-sealing vapor barrier
US9217253B2 · kind B2 · utility
17Cited by
57References
16Claims
0Family size
Inventor
Key dates
| Filing date | Jun 25, 2013 |
| Grant date | Dec 22, 2015 |
| Priority date | — |
| Expiry date | Jul 10, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04F15/22
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A flooring material having a textile pad substructure with a density of greater than 10 pounds per cubic foot is provided. The textile pad has reinforcement and binding fibers. The binding fibers are thermoplastic and are used to bind the reinforcement fibers together. The pad is created by heating and compressing a fibrous textile batt so that it has a density of greater than 13 pounds per cubic foot.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.