Apparatus for cleaning vinyl billboards and flex faces
US5806124A · kind A · utility
1Cited by
12References
5Claims
0Family size
Inventors
Key dates
| Filing date | May 13, 1997 |
| Grant date | Sep 15, 1998 |
| Priority date | — |
| Expiry date | May 13, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB08B3/041
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An apparatus for cleaning and recycling used vinyl billboards and flex faces by attaching the used media to a series of endless belts which transport the used billboard through a chemical bath. A chemical solution is dispensed on the painted surfaces of the billboard using a series of spray nozzles, then brushes remove the remaining paint and simultaneously polish the used surface. The used solvent containing the dissolved paints is cleaned and recycled for reuse.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.