发明名称 PROCESS FOR MANUFACTURING A CABLE RESISTANT TO EXTERNAL CHEMICAL AGENTS
摘要 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.
申请公布号 WO2005114677(A1) 申请公布日期 2005.12.01
申请号 WO2004US11259 申请日期 2004.04.27
申请人 PIRELLI & C. S.P.A.;LUMACHI, ALBERTO;VEGGETTI, PAOLO;DE RAI, LUCA GIORGIO;O'NEILL, FRANCK;BAREGGI, ALBERTO;FRIGERIO, MARCO;BELLI, SERGIO 发明人 LUMACHI, ALBERTO;VEGGETTI, PAOLO;DE RAI, LUCA GIORGIO;O'NEILL, FRANCK;BAREGGI, ALBERTO;FRIGERIO, MARCO;BELLI, SERGIO
分类号 H01B3/30;H01B7/28;H01B9/02;H01B13/14;H01B13/26 主分类号 H01B3/30
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