Method of removing dross from a lead refining pot
US4460166A · kind A · utility
2Cited by
1References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 4, 1983 |
| Grant date | Jul 17, 1984 |
| Priority date | — |
| Expiry date | Feb 4, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22B13/06
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Dross is removed from molten lead during its refining by scraping the dross by means of a rake up a ramp fitted to the rim of the refining pot, a baffle being placed to trap dross in front of the ramp. The rake may be operated manually or by means of a power operated device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.