Low cost surface covering tiles and the process for their manufacture
US10569519B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 8, 2015 |
| Grant date | Feb 25, 2020 |
| Priority date | — |
| Expiry date | Apr 16, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2471/00
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The invention concerns a process for the manufacture of surface covering tile (SCT) comprising the steps of: (i) providing a surface layer comprising a film having a melting point of above 200° C.; (ii) printing a decorative pattern on the back side of the surface layer; (iii) providing a substrate layer comprising a polymer and a filler; (iv) bonding the back side of the surface layer onto the substrate layer and embossing the upper side of the surface layer in a hot press at a temperature and a pressure suitable for deforming the substrate layer. The invention also concerns a grained SCT comprising: a substrate layer comprising a polymer and a filler; and a surface layer comprising a film having a melting point of above 200° C., wherein the upper side of said surface layer is embossed and the back side is printed with an ink.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.