Nozzle cleaning system including coating spray gun cover for can coating system
US5941456A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 29, 1998 |
| Grant date | Aug 24, 1999 |
| Priority date | — |
| Expiry date | Jan 29, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B15/555
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An apparatus for cleaning a coating gun nozzle used in spraying the inner surface of cans with a coating material comprises a cleaning solution spray nozzle having a cleaning spray extension and a cleaning spray nozzle for spraying a cleaning solution onto the coating gun nozzle to remove oversprayed coating material collecting thereon. The coating gun nozzle is disposed at an end of a coating gun nozzle extension. A single spray shield is disposed over the end of the coating gun nozzle extension, and has a flange portion which extends at least to an external surface of the cleaning nozzle extension to shield the components of the apparatus from oversprayed coating material. A check valve mechanism disposed within the cleaning spray extension prevents cleaning solution from dribbling or drooling from the cleaning spray nozzle. A control system controls the operation of the apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.