Device for extracting short-circuiting wedges designed for switching in an electrolysis cell for the production of aluminum
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United States of America Patent
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Jun 21, 2016
Grant Date -
Apr 25, 2013
app pub date -
Jun 23, 2011
filing date -
Jun 28, 2010
priority date (Note) -
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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, in conjunction with the upper horizontal face of each conductor, at least one jack directed vertically and including a body and a stem,
- a) stem (or said body) 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 body (or said stem) 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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