Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Paul V. Cooper0
Date of Patent
February 25, 2020
0Patent Application Number
153710860
Date Filed
December 6, 2016
0Patent Citations
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Patent Citations Received
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Patent Primary Examiner
Patent abstract
Disclosed are degassers, couplings, impeller shafts and impellers for use in molten metal. One such coupling transfers gas into an impeller shaft, the coupling having a smooth, tapered internal surface to align with a corresponding surface on the impeller shaft and help prevent gas leakage and to assist in preventing damage to the impeller shaft. Improved impellers for shearing and mixing gas are also disclosed, as is a degasser including one or more of these components.
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