Carpet tile renewal process and products
US6989037B2 · kind B2 · utility
6Cited by
29References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 12, 2003 |
| Grant date | Jan 24, 2006 |
| Priority date | — |
| Expiry date | Jun 22, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/23986
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Refurbishing and/or renewing cut or loop pile carpet products including carpet tiles by passing the product under a high pressure water or liquid dispensing head projecting a stream of water against the subject product at a pressure in the range of 100-2000 p.s.i.g. Improvements to such methods include adding a polymer backing layer to the tile, pre-bulking the face yarns, and/or chemically treating the face yarns.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.