Process for the production of a multipolar cable, and multipolar cable produced therefrom
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United States of America Patent
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Dec 16, 2008
Grant Date -
Apr 22, 2004
app pub date -
Nov 22, 2001
filing date -
Nov 30, 2000
priority date (Note) -
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Abstract
A process for manufacturing a multipolar cable having at least one pair of cores, each core having at least one conductive element and at least one layer of electrical insulation in a position which is radially external to the at least one conductive element. The process includes the steps of: a) assembling said at least one pair of cores so as to form an assembled element having a plurality of interstitial zones between the cores, and b) depositing by co-extrusion an expandable polymeric material in a position which is radially external to the cores so as to fill the interstitial zone and to form a filling layer of substantially circular transverse cross section, and at least one containment layer of polymeric material in a position radially external to the filling layer. The multipolar cable obtained from the process.
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