| Patent Number |
Title Of Patent |
Date Issued |
| 5283392 |
Electric power cable line and a method of fabricating the same |
February 1, 1994 |
| An electric power cable line is arranged in which the insulating layer is increased to a greater thickness at two end portions of each cable than a thickness at the other or center portion of the same. Since the insulating layer is increased in thickness at the end portions of the cable, |
| 5094703 |
Conductor for an electrical power cable and a method for manufacturing the same |
March 10, 1992 |
| In a method for manufacturing a stranded conductor for an electrical power cable comprising a process for forming cupric oxide films of from 0.3 .mu.m to 3 .mu.m in thickness by passing an uninsulated stranded conductor constituted by a plurality of stranded copper strands through oxidiz |
| 4767589 |
Method for jointing CV cables |
August 30, 1988 |
| A method for jointing CV cables includes a lock mechanism which closes a split portion of a mold, used for extrusion-molding and opens the split portion by heat when crosslinking is performed. |
| 4701117 |
Apparatus for jointing CV cables |
October 20, 1987 |
| An apparatus for jointing CV cables includes a lock mechanism which closes a split portion of a mold, used for extrusion-molding and opens the split portion by heat when crosslinking is performed. |
| 4626618 |
DC electric power cable |
December 2, 1986 |
| A DC power cable includes a conductor and an insulation of a thermoplastic resin formed around the conductor. The insulation contains carbon black in an amount of about 0.2 to about 5% of the total weight of the thermoplastic resin and the carbon black, and the ratio of mineral oil a |
| 4571453 |
Conductor for an electrical power cable |
February 18, 1986 |
| In a method for manufacturing a stranded conductor for an electrical power cable comprising a process for forming cupric oxide films of from 0.3 .mu.m to 3 .mu.m in thickness by passing an uninsulated stranded conductor constituted by a plurality of stranded copper strands through oxidiz |
| 4454375 |
Power cable joint structure having sheath isolation member containing electrode spheres |
June 12, 1984 |
| A power cable joint structure in which a sheath isolation is provided in a cable shielding layer in, for instance, each phase of a three-phase circuit. A reinforcing insulation is covered on the connected cable conductors and a shielding layer is covered on the outer periphery of the |
| 4446331 |
Power cable joint structure including a reinforcement insulator containing electrode spherical b |
May 1, 1984 |
| In the joint structure for a power cable, a cable insulator covers a cable conductor. A reinforcement insulator is mounted on the said cable insulator. In the said reinforcement insulator there are disposed by dispersion a plurality of electrode spheres. The voltage applied in betwee |
| 4434319 |
POF Cable having outer pipe with curved offset sections to accommodate expansion of the core |
February 28, 1984 |
| A POF cable line which comprises a steel pipe and three cable cores drawn in the steel pipe. At least one curved offset section is arranged on the steel pipe at a part spaced from a cable joint at a predetermined distance, with a straight portion of the steel pipe interposed therebet |
| 4416601 |
Continuous vulcanizer |
November 22, 1983 |
| Apparatus for continuously vulcanizing a covered material on a conductor comprises a feed device for feeding the conductor in one direction at a constant speed and an extruder for applying the covered material to the conductor fed from the feed means. A vulcanizing tube extends from the |
| 4411710 |
Method for manufacturing a stranded conductor constituted of insulated strands |
October 25, 1983 |
| A method is disclosed in which an insulating film of an oxide of metal, of which a stranded conductor (30) is made, is formed on the surface of all strands in a stranded conductor, while the stranded conductor is held in the stranded form. In a step of oxidation-treating the strands of a |
| 4325750 |
Method for manufacturing a stranded conductor for an electric power cable |
April 20, 1982 |
| In a method for manufacturing a stranded conductor for an electric power cable comprising a process for forming insulating films by passing an uninsulated stranded conductor constituted by a plurality of stranded conductive strands through oxidizing liquid, the stranded conductor pas |
