| 摘要 |
<p>1312018 Cables KABEL-UND METALLWERKE GUTEHOFFNUNGSHUTTE AG 11 Aug 1971 [22 Aug 1970] 37717/71 Heading H1A [Also in Division C3] Wires and cables comprise metal and insulation comprising (1) a copolymer of ethylene with 1 to 30 weight per cent of an unsaturated carboxylic acid and (2) 0À01 to 2À0 weight per cent of a stabilizer for the copolymer in the presence of the metal. The metal is preferably copper and the stabilizer N-salicylidene-N- salicyloyl hydrazine. Examples describe telecommunication cables comprising (1) a plurality of conductors held together by a tape wrapping, e.g. of paper or synthetic resin, and surrounded by a longitudinally laid copper band which is coated on one or both sides with a composition of the invention and surrounded by an outer sheath of polyethylene; (2) a filament of a composition of the invention surrounded by a longitudinally laid copper band to provide a tubular conductor, the seam of which is preferably welded, and by a synthetic resin sheath; and (3) a plurality of conductors wound with tape, surrounded by a metal foil, the longitudinal edges of which are welded and folded, a layer of a composition of the invention and an outer sheath of synthetic resin.</p> |
