Paint recovering method and collecting material
US5882522A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Sep 9, 1997 |
| Grant date | Mar 16, 1999 |
| Priority date | — |
| Expiry date | Sep 9, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention offers a method for recovering the paints suitable to an object that, in a booth for a spray coating used for coating a material, the oversprayed paints can be easily recovered and recycled as they are or after a simple adjustment as reusable paints and it also offers a receiver used for said recovery. A method for recovering paints, characterized in that, a receiver using an ultrafiltration membrane or a microfiltration membrane is placed in a spray coating booth and water or organic solvent is contacted the one side of said membrane so that the oversprayed paint are received on the other side of said membrane and recovered therefrom; and a receiver for recovering paints, characterized in that, said receiver has two or more hollow fiber membranes arranged on a plate where at least one end of the membranes is open, with a fixing material which fixes and holds the hollow fiber membranes on the plate and distributing pipes connecting to the open end of each of the hollow fiber membrane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.