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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Takaoka; Michio
Address:
Chiba, JP
No. of patents:
12
Patents:












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










 
 
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