| Patent Number |
Title Of Patent |
Date Issued |
| 5108657 |
Strippable, silane-curable, semiconducting mixture, in particular for electrical cables, and a m |
April 28, 1992 |
| A semiconducting mixture which is curable with the aid of silanes includs the following parts by weight:a) 70 to 80 parts of a first copolymer of ethylene, or of ethylene and another olefin, with an ester taken from the group constituted by ethyl acrylate, vinyl acetate, and butyl acetat |
| 5028116 |
Optical fiber cable capable of withstanding a jump in temperature to 350.degree. C. for a short |
July 2, 1991 |
| An optical fiber cable capable of withstanding a jump in temperature to 350.degree. C. for a short period of time, the cable comprising:(a) at least one carrier element of a composite of glass fiber and thermosetting resin;(b) an optical fiber support constituted by a grooved rod surrounding |
| 4833275 |
Flexible splice for an impregnated paper submarine cable |
May 23, 1989 |
| A flexible splice for a submarine cable of the type comprising a plurality of conductors (21, 22, 23) insulated by paper impregnated with oil under pressure (24) inside an oil-tight sheath (20) protected by at least one layer of armoring, the splice being characterized in that it compris |
| 4826314 |
Echometer for locating defects which affect light conductors |
May 2, 1989 |
| An echometer which translates an optical signal into the centimetric or decimetric wave bands. A test signal and the local oscillator signal are provided by a single laser oscillator. The test signal and the local oscillator signal, which are 90.degree. different in phase, are modulated |
| 4819250 |
Apparatus for measuring temperature at a hot point along an electrical energy transmission cable |
April 4, 1989 |
| Apparatus for measuring temperature at a hot point along an energy transmission cable (1) when the temperature exceeds a fixed limit temperature, the apparatus comprising a tube (3) containing a liquid which is vaporizable in the vicinity of said limit temperature and which is dispos |
| 4790626 |
Connection between an optical fiber cable and a junction box |
December 13, 1988 |
| The end (2) of an axial strength member is curved into a swan-neck (3) and gripped in a cold polymerized resin (4) which fills a cavity of a chamber (5) that is fixed relative to the junction box (6). |
| 4786759 |
Articulated cable head for submarine links |
November 22, 1988 |
| This articulated cable head includes a universal joint whose support (4) and ring (5) are made of fiber and epoxy resin laminates obtained by winding threads. The universal joint head (6) is spherical in shape and is made, together with an oscillating arm (7) which extends therefrom, as |
| 4782294 |
Method of measuring variation in the elongation of a very long magnetizable element of small tra |
November 1, 1988 |
| A method of measuring variation in the elongation of a very long element of small transverse dimensions and made of magnetizable material, optionally covered by non-magnetic material, and running between a lower elongation zone and a higher elongation zone, or vice versa, said method con |
| 4777555 |
Device for protecting an electric power line against high transient overvoltages |
October 11, 1988 |
| A device for protecting a polyphase electric power line against high transient overvoltages comprises at least two stages in series, the first stage being provided with a spark-gap and a decoupling inductor and being followed by a stage having a bridge limiter including two oppositel |
| 4773729 |
Connection box for optical fiber cables |
September 27, 1988 |
| Inside a container tube (7) which is closed by two covers (8, 8') fixed to the cables to be connected, this connection box comprises a cylindrical tank (27, 17, 17') for storing optical fibers (3, 3') with the inside cylindrical volume of the tank being delimited at each of its ends by |
| 4753500 |
Joining two optical fiber submarine cable ends |
June 28, 1988 |
| Each of the cables comprises an axial compartment (3, 3') housing the fibers, a steel wire armoring (5, 5') wound around said compartment, a copper tube (9, 9') shrink-fitted over the armoring, and an outside jacket (13, 13'). The center section of said device comprises a mandrel (1) |
| 4731134 |
Methods of manufacturing electric cable for transporting very high current at low voltage |
March 15, 1988 |
| An electric cable (1) for transporting very high current at low voltage, in particular a welding cable for use in robot welders, comprises at least one multi-strand conductor (2) and an outer sheath (4), cooling water circulates inside the cable, and the water gains access to the conduct |
| 4701014 |
Connection between an optical fiber cable and a junction box, and a method of making the connect |
October 20, 1987 |
| A connection between a junction box and an optical fiber cable having an axial strength member, said strength member being constituted by braided fibers or by a composite material including fibers, e.g. a guard cable for a high tension line. The fibers of the axial strength member (2) ar |
| 4689713 |
High voltage surge protection for electrical power line |
August 25, 1987 |
| A surge protection device comprising an inductor and a limiting bridge stage (10) with two oppositely biased power diodes (15,16) each connected in series with a high-valued capacitor, features an inductor connected in a first stage including a spark-gap (6) to ensure decoupling by the |
| 4671611 |
Underwater optical fibre cable |
June 9, 1987 |
| An underwater cable according to the invention comprises in particular of an optical core protected by a PVC sleeve 6, an armoring made of steel or aluminum wires 7, surrounded by a copper or aluminum sleeve 8. Longitudinal sealing of the armoring is ensured by an adhesive compound 10 |
| 4664471 |
Junction box for joining the ends of underwater optical fiber cables by welding |
May 12, 1987 |
| Junction box for joining the ends of two underwater optical fiber cables by welding, comprising two clamps 1, 2 connected by a tubular sleeve 3, and a central hollow mandrel 17 for securing the welds, wherein said mandrel comprises a slack chamber 15, 16 in between each clamp and one end |
| 4663928 |
Machine for winding on a cable, with a very short pitch, at least one metal sheathing wire |
May 12, 1987 |
| A machine for winding, with a very short pitch, on a cable (1), at least one metal sheathing wire (5), comprising a first means for translatably moving a rectilinear portion of the cable in accordance with its axis and at least one coil (4) for distribution of said wire arranged on a |
| 4647712 |
Electric cable for transportation very high current at low voltage, and methods of manufacturing |
March 3, 1987 |
| An electric cable (1) for transporting very high current at low voltage, in particular a welding cable for use in robot welders, comprises at least one multi-strand conductor (2) and an outer sheath (4), cooling water circulates inside the cable, and the water grains access to the conduc |
| 4632507 |
Cable-to-repeater joining device for underwater optical fiber cable |
December 30, 1986 |
| A device for joining an underwater optical fiber cable and a repeater comprising a fiber feed-in cable, the end of said underwater cable being secured in a jointing block by means of a tapered ferrule and hard-setting resin filler, said device comprising a slack chamber for storing surpl |
| 4630888 |
Multiple joint for underwater optical fiber cables |
December 23, 1986 |
| In a multiple joint for underwater optical fiber cables, a first cable termination terminates at least one cable and incorporates a storage chamber for excess lengths of fiber. A connecting member is fastened to the end of said at least one cable, and a first reinforcing member later |
| 4625187 |
Radiating coaxial electric cable |
November 25, 1986 |
| Radiating coaxial electric cable comprises a conductor core (1), a cellular dielectric (2), an outer conductor (3) having apertures for the passage of electromagnetic radiation, and an outer insulating sheath (4). The radiation-passing apertures consist of successive series of holes (6) |
| 4623495 |
Method and apparatus for manufacturing an optical fiber cable |
November 18, 1986 |
| A method of manufacturing an optical fiber cable involves embedding a traction-resistant axial strength member of at least one wire of precipitation hardened martensitic steel in a rod of thermoplastic material extruded thereabout while forming longitudinal grooves or cavities in the |
| 4601536 |
Connection for a submerged optical fiber cable |
July 22, 1986 |
| A connection for connecting a submerged optical fiber line cable (1) to a housing (18) for equipment such as a repeater (17), said housing being provided with an optical fiber access cable (16). The line cable comprises an optical core containing optical fibers, an arch of steel wires |
| 4595256 |
Connection between the ends of two undersea optical fiber cables and method of manufacturing sai |
June 17, 1986 |
| Each cable has an optical fiber core (1, 1') an arch of steel wires (2, 2'), a copper tube (3, 3') swaged onto the cylinder, an insulating sheath (4, 4') a return conductor (14, 14') and another sheath (16, 16') which is a protective sheath. Said connection has, at each cable end, a fixi |
| 4593971 |
Centering cell for connecting optical fibers |
June 10, 1986 |
| The cell comprises around the end of an optical fiber (1) three resilient elongate rods having bulging ends and held clamped against the fiber by a cartridge (5) which is itself held in a cell body (9). Two identical cells can thus be placed face to face with a 1/6th of a turn offset to |
| 4584432 |
Submarine power cable conductor |
April 22, 1986 |
| A submarine power cable conductor consisting of at least one layer of stranded metal wires, all of said wires being laid in the same direction and at a periodically varied angle. |
| 4584333 |
Fire-resistant thermoplastic composition |
April 22, 1986 |
| A fire-resistant thermoplastic composition includes at least one ethylene polymer and/or a copolymer of ethylene and another organic compound, an inorganic loading material capable of releasing oxhydryle ions, an alkoxysilane acting as a coupling agent between the polymer or copolymer |
| 4568145 |
Connection device for a cable incorporating optical fibers and metal conductors |
February 4, 1986 |
| A connection device for a cable incorporating optical fibres and metal conductors. A connection device for a cable incorporating both optical fibres (10) and metal conductors (34), comprising (a) a socket including a barrel with male electrical connection members (25), a ferrule containi |
| 4556581 |
Method of manufacturing an insulant having a self reticulating cellular structure |
December 3, 1985 |
| A method of manufacturing an insulant having a self reticulating structure for an electrical cable including at least one bare wire (1) obtained from a wire-drawing machine (10), the method comprising:using grafted polyethylene which is finely crushed or which is obtained in powder form; |
| 4545645 |
Connection joining the ends of two under-water optical fiber cables and a method of manufacturin |
October 8, 1985 |
| A connection for joining the ends of two under-water optical fiber cables each comprising: an optical core constituted by a carrier wire covered by a helically grooved plastics rod with optical fibers inserted in its grooves; a protective tape surrounding the optical core; a steel wire a |
| 4527485 |
System for transporting heavy cylindrical objects in a workshop |
July 9, 1985 |
| A system for transporting heavy cylindrical objects such as cable drums or spools on a carriage guided along a pit dug in the floor includes a channel rail (2) lining the bottom and sides of the pit, a central upstanding rail (3) leaving a longitudinal gap between itself and the chan |
| 4521642 |
Sealed connection connecting an undersea coaxial cable to a repeater and a method of making same |
June 4, 1985 |
| A sealed connection between an undersea coaxial line cable and a length of coaxial access cable connected to a repeater; the line cable comprising an axial conductor (11), insulation (12), a return path (13) and an outer sheath (14A); the access cable comprising an axial conductor (15), |
| 4502666 |
Haulage machine for hauling an elongate cylindrical unit |
March 5, 1985 |
| The invention relates to a haulage machine for hauling an elongate cylindrical unit (e.g. a cable) along a conduit or duct (3), said machine having a winch (11) on which a haulage rope (9) is wound, said haulage rope being hitched to the cylindrical unit (7) by a haulage head (8); one |
| 4495379 |
Splice for electric cable armor |
January 22, 1985 |
| A splice for splicing together the steel armor wires (3, 3') of two armored electric cable ends (1, 1') after the remainder of the cable has been spliced, and in which the end of each armor wire of one of the cable ends is joined to the end of a corresponding armor wire of the other cabl |
| 4494307 |
Method of manufacturing electric cable having compressed mineral insulation and a titanium sheat |
January 22, 1985 |
| A method of manufacturing electric cable having compressed mineral insulation and a titanium sheath and at least one titanium inner conductor, said method including preparing a titanium sheath preform whose diameter is very much greater than that of the cable, then lengtening the pre |
| 4493946 |
Device for connecting together the outer conductors of two coaxial pairs |
January 15, 1985 |
| A device for connecting together the outer conductors of two coaxial pairs with coaxial conductors (3) and outer conductors (4), said device including two metal half-shells (11) with chamfered ends (10) which are provided with longitudinal slots, said half-shells being disposed between |
| 4486621 |
Housing for a coaxial directional coupler |
December 4, 1984 |
| A housing for a coaxial directional coupler has a channel-section body (20), each of the flanges of said channel-section body having two openings (2) with the opening in each flange being opposite to the corresponding opening in the other flange. A cover (5) is capable of closing the ope |
| 4481381 |
Device for preventing damage to a submarine cable at the point where it leaves an equipment casi |
November 6, 1984 |
| A device for preventing damage to a submarine cable at the point where it leaves an equipment casing during passage round the cable drum and over the davit, and consisting of a chocking member (5) on each side of the casing (2) surrounding the cable (1) from its outlet from the casing to |
| 4463406 |
Apparatus for protecting an electric line against disturbances with very steep wave fronts |
July 31, 1984 |
| An apparatus for protecting a low-tension electric line (31) against disturbances with very steep slopes, said apparatus having a box (9) with a plurality of compartments (10, 15, 22, 26) in series which is equipped with limiter units such as dischargers and is disposed upstream from the |
| 4461658 |
Method for sequentially annealing and then hardening long metal components made of fine or speci |
July 24, 1984 |
| A method of sequentially annealing and then hardening long metal components (1,2,3,4) made of fine or special steel with an austenitic structure, said method including at least one annealing operation by supplying heat from the outside in a reducing or neutral atmosphere and one quenchin |
| 4459799 |
Quad guide device for guiding quads to a telephone cable stranding machine |
July 17, 1984 |
| The quad guide device (18) receives quads (11) made on a first stranding assembly and guides them into a laying former (8) placed a head of a second stranding assembly. The guide device includes a distributor die (6) for distributing quads (11) at the output of the first stranding assemb |
| 4456894 |
Distributed-constant resistance for use as a high dissipation load at hyperfrequencies |
June 26, 1984 |
| Conventional attenuators and matched loads for dissipating power at hyperfrequencies are uniform structures giving constant attenuation per unit length. This results in most power being dissipated at an input end. The present invention increases the maximum total power that such a re |
| 4447115 |
Multiple connection for an undersea cable system |
May 8, 1984 |
| A multiple connection for connecting a plurality of armored cables (1, 2) to the housing of electrical apparatus in an undersea system having a cable interconnection point where a plurality of cables serving different destinations are brought together, each of said cables comprising a co |
| 4440974 |
Electromechanical cable for withstanding high temperatures and pressures, and method of manufact |
April 3, 1984 |
| An electromechanical cable capable of withstanding high pressures and temperatures of at least 200.degree. C., the cable comprising a core having a plurality of insulated conductors (3,5) covered with a conductive filler (7) which fills the voids between the conductors, the core being |
| 4435613 |
Semiconductor packing composition for an undersea cable, a cable containing said substance and a |
March 6, 1984 |
| A semiconductor packing substance for an undersea cable transporting electrical power, said cable having a core made of conductors 1 disposed axially, surrounded by a polyethylene layer 3 which is made semiconductive, then by a layer of insulating polyethylene (4). The packing substa |
| 4422889 |
Method of manufacturing an optical fibre cable |
December 27, 1983 |
| An optical fibre cable includes a generally cylindrical elongate central support structure with helical grooves formed around its periphery. The grooves (2) are partially filled with the compound (3) which is viscous at cable operation temperature. Said support structure (1) is then cool |
| 4420881 |
Method of manufacturing a preform for mineral-insulated electric cable |
December 20, 1983 |
| The mineral substance is mixed (2) with an organic binder, a cylindrical structure is extruded (4), said cylindrical structure having at least one internal duct, and being cut (9) to portions of determined length before undergoing (10) heat treatment to cause the organic binder to burn, |
| 4389088 |
Underwater optical fibre cable |
June 21, 1983 |
| An underwater optical fibre cable, including a central filament (1) whose lateral surface is provided with helical grooves (3) in each of which at least one optical fibre (4) can be placed, characterized in that the transversal cross-section and dimensions of said grooves enable then to |
| 4388799 |
Apparatus for tracking the pitch of helical grooves |
June 21, 1983 |
| Apparatus for tracking the paths of helical grooves at the periphery of a longitudinal core driven in translation. The apparatus comprises two disks (11, 12) fitted onto said core, said disks being connected together by metal wires (13) forming a spring which presses on the grooves (21, |
| 4378464 |
Cable for prospecting |
March 29, 1983 |
| A cable for prospecting, said cable including a core of conductor wires (3) surrounded by insulating material (4) and by armour (7, 8) formed by at least one layer of helically wound steel wires. It includes, from its center to its periphery, inside the armour, an axial monofilament (2) |
