Overextrusion of silicone rubber charge holder on metal wire rope
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United States of America Patent
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Apr 15, 2014
Grant Date -
Sep 12, 2013
app pub date -
Mar 7, 2012
filing date -
Mar 7, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
An elastomeric charge holder includes one or more holes formed therein into which is disposed an explosive charge. The elastomeric charge holder further includes one or more metal wires also disposed within the elastomeric charge holder. The elastomeric charge holder may be over molded or over extruded over each of the one or more metal wires, thereby retaining each of the one or more wires in place during use of the elastomeric charge holder. The one or more wires are also a better match of thermal coefficients to a metal confinement tube that holds the elastomeric charge holder, which results in improved retention of the elastomeric charge holder in place, particularly during initiation of the explosive charge.
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