| 摘要 |
1,162,319. Coaxial cables. BUNKER RAMO CORP. 20 Sept., 1967 [20 Sept., 1966], No. 42879/67. Heading H1A. A coaxial cable comprises a silver-plated copper inner conductor 14, a solid layer 16 of polyethylene, a cellular layer 18 of polyethylene and an outer conductor 20 of copper or aluminium. The assembly is passed through an aperture 24, in a die 22 to reduce the conductor 20 to its final, accurate dimensions, the layer 18 being compressed to a solidity approaching that of the layer 16. |
