DEVICE FOR EXTRACTING SHORT-CIRCUITING WEDGES WHEN SWITCHING IN AN ELECTROLYSIS CELL FOR THE PRODUCTION OF ALUMINUM
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United States of America Patent
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Issued Date -
Apr 25, 2013
app pub date -
Jun 23, 2011
filing date -
Jun 28, 2010
priority date (Note) -
Abandoned
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Abstract
Extraction device designed to extract a short-circuiting wedge inserted between two conductors to take an electrolysis cell offline. The extraction device includes a means of gripping said wedge and at least one jack directed vertically and including a body and a piston stem.
- said body (or stern) being interdependent with at least one horizontal support face directed downwards and laid out so that, when said extraction device is placed above said wedge to extract it, the upper horizontal face of each conductor is in line with one horizontal support face,b) said stem (or said body) being connected to said means of gripping said wedge, so that, when said jack is actuated to extract the wedge, said jack exerts opposing forces on said conductors and said wedge, tending to separate them.
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