US Patent 7197952 Testing method for ball mills

Patent 7197952 was granted and assigned to Outokumpu on April, 2007 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Outokumpu

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

71979520

Patent Inventor Names

John H. Starkey0

Date of Patent

April 3, 2007

Patent Application Number

108203730

Date Filed

April 8, 2004

Patent Primary Examiner

‌

Robert Raevis

Patent abstract

The invention relates to a testing method for designing a semiautogenous or an autogenous grinding circuit with at least one ball mill for grinding ore. In the method the ore is tested in two separate testing steps using the same testing sample of ore.