Method and apparatus for manufacturing sheet flooring by simultaneous multi-layer die coating
US7288289B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 22, 2001 |
| Grant date | Oct 30, 2007 |
| Priority date | — |
| Expiry date | Mar 19, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05D7/572
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Surface coverings and surface covering components and methods for forming them using slot die coating are disclosed. The methods involve applying a plurality of wet layers to a substrate simultaneously or in sequence using a slot die coater, wherein a plurality of wet layers can be applied before any of the individual layers are dried, gelled, cured and/or fused. The layers remain separate and distinct before and after drying, gelling, curing and/or fusing, and can be dried, gelled, cured and/or fused together or separately after wet on wet application to the substrate. The surface coverings may be decorative surface covering, including floor coverings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.