Container for hazardous detergents
US4819677A · kind A · utility
Inventor
Key dates
| Filing date | Aug 26, 1987 |
| Grant date | Apr 11, 1989 |
| Priority date | — |
| Expiry date | Aug 26, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB08B3/006
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to a container for hazardous detergents which is adapted to permit withdrawal of the hazardous detergent (73) and recovery thereof in polluted state, the hazardous detergent (73) preferably being a solvent which can be pumped out of the container (9), is useful for internal and/or external cleaning of spray guns (1) or other polluted implements and recoverable in the container (9) in polluted state. To allow disposal of the container in cramped spaces and to eliminate the risk of explosive and/or toxic gases collecting therein, the container is characterized in that it comprises an outer container (64) and an inner container (66), that there is connected to the inner space (65) of the outer container (64) and possibly to the inner space (72) of the inner container (66) a pump device (75 and possibly 79) for pumping up clean detergent (73) from the inner space (65) of the outer container (64) and possibly the inner space (72) of the inner container (66), that there is connected to the inner space (72) of the inner container (66) a return conduit (29) for recirculating detergent (73) coming from the outer container (64) and possibly from the inner contai…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.