Patent · US Expired

Dispensing apparatus and method

US6841120B2 · kind B2 · utility

1Cited by
6References
39Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 13, 2002
Grant dateJan 11, 2005
Priority date
Expiry dateSep 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.