Method and apparatus for detaching frozen charge from a tube mill

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United States of America Patent

PATENT NO RE47077
SERIAL NO

14981620

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method and associated apparatus for detaching a frozen charge from an inner wall of a grinding pipe of a tube mill such as is used for grinding. The method includes controlling a driving device of the grinding pipe to detach a frozen charge from an inner wall of the grinding pipe, which driving device is operable to apply a driving torque to the grinding pipe. Controlling the driving device includes varying the driving torque applied to the grinding pipe around a predetermined reference level.

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Patent Owner(s)

  • ABB SCHWEIZ AG

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Keller, Robert Baden-Dattwil, CH 40 857
Meier, Patrick Wettswil, CH 15 44

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