The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 11, 2005
Filed:
Jun. 13, 2002
Applicants:
John R. Grassi, Shaker Heights, OH (US);
John Campbell, West Malvern, GB;
Inventors:
John R. Grassi, Shaker Heights, OH (US);
John Campbell, West Malvern, GB;
Assignee:
Alotech Ltd. LLC, Beachwood, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
B22D 4108 ;
U.S. Cl.
CPC ...
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.