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. 05, 2021
Filed:
Jan. 28, 2016
Norsk Hydro Asa, Oslo, NO;
Ulf Tundal, Sunndalsøra, NO;
Idar Kjetil Steen, Sunndalsøra, NO;
John Olav Fagerlie, Sunndalsøra, NO;
Terje Haugen, Surnadal, NO;
NORSK HYDRO ASA, Oslo, NO;
Abstract
Apparatus and method for filtering molten metal, in particular aluminium, including a container () with an outer shell or casing of metal and an inner thermally insulated interior cladding or wall construction made of heat resistant insulation and refractory material. A removable lid () provided on top of the container to keep the container sealed (air tight) during operation, the container () being provided with an inlet chamber () having an inlet opening () receiving metal from a metal supply launder () and an outlet chamber () with an outlet opening () in which a ceramic or refractory filter () is mounted.