Method for internally cleaning powder-carrying lines
US5170591A · kind A · utility
9Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 22, 1991 |
| Grant date | Dec 15, 1992 |
| Priority date | — |
| Expiry date | Apr 22, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B15/55
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method for internally cleaning a powder-carrying hose conduit of an electrostatic powder coating system between changes in powder color. A granule/air stream is conducted through the hose to be cleaned, and the granules are returned for re-use after they emerge from the hose.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.