Face-up coating of carpet backs with polyurethane
US6264775A · kind A · utility
36Cited by
11References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 1998 |
| Grant date | Jul 24, 2001 |
| Priority date | — |
| Expiry date | Dec 22, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/23993
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Tufted carpeting can be manufactured employing polyurethane adhesives and cured face up without dripping, when one or more drip-reducing process steps of adding a non-Newtonian thickener to the adhesive or forming a viscosified or cured film on the outer surface of the adhesive are practiced prior to entry of the greige good into the curing oven.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.