Installation method for carpet underlays
US6253526A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 13, 1998 |
| Grant date | Jul 3, 2001 |
| Priority date | — |
| Expiry date | Nov 13, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47G27/0437
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A process for installing a carpet underlay resistant to water requires placing a padding over a floor, mechanically securing the padding to the floor and placing an underlay over the padding. The underlay is formed of a water resistant fabric or water resistant film. The fabric being treated with a water repellent finish. The resulting fabric or film being resistant to water such that 20 ml of water poured on a sample of the underlay from a height of 6 cm results in no wet spot after 10 minutes, or results in a wet spot having a maximum diameter of 2.54 cm, on a paper towel located directly beneath the location on the underlay on which the water has been poured.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.