Process for manufacturing a cable resistant to external chemical agents
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United States of America Patent
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Jul 8, 2014
Grant Date -
Jan 7, 2010
app pub date -
Aug 17, 2009
filing date -
Apr 27, 2004
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Abstract
Process for manufacturing a cable comprising the following steps:(a) conveying at least one conductor to an extruder apparatus;(b) extruding an insulating coating layer radially external to said at least one conductor; (c) longitudinally folding a metal tape around said extruded insulating coating layer, said metal tape bearing at least one adhesive coating layer in a radially external position; (e) extruding at least one continuous coating layer comprising at least one polyamide or a copolymer thereof around and in contact with said folded metal tape; wherein the step (e) is carried out at a draw down ratio (DDR) not higher than 2.5, preferably of from 1.2 to 2.0.
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