Dispensing apparatus and method
US6841120B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2002 |
| Grant date | Jan 11, 2005 |
| Priority date | — |
| Expiry date | Sep 2, 2022 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF27D3/14
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An apparatus for dispensing a molten material from a reservoir of molten material includes a dispensing chamber in communication with the reservoir and a first valve adapted to regulate communication of the dispensing chamber with the reservoir. A riser communicates with the dispensing chamber for dispensing the molten material, and a second valve is adapted to regulate communication of the riser with the dispensing chamber. Also disclosed is a method for reducing the inclusion of oxides in a casting of a molten metal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.