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| Number | Title | Issue Date |
| 7355123 | Foam coaxial cable and method of manufacturing the same A foam coaxial cable, including an inner conductor, a foam insulating layer formed on the outer periphery of the inner conductor, an outer conductor formed on the outer periphery of the foam insulating layer, and an outer cover formed on the outer periphery of the o... | 04/08/2008 |
| 7351009 | Fiber optic installation structures in a paved surface, ducts, and methods therefor A fiber optic installation structure and method therefor includes a duct having an inner tube, at least one optical waveguide, and a jacket and is disposed within a channel of a paved surface. The jacket generally surrounds the inner tube. When the duct is disposed ... | 04/01/2008 |
| 7265296 | Flame retardant plenum cable The present invention is a flame retardant cable having an insulated conductor and at least two insulation layers. The cable demonstrates a composite dielectric constant less than or equal to about 2.6 and a composite dissipation factor less than or equal to 0.005 e... | 09/04/2007 |
| 7196270 | Cable with recyclable covering layer A cable having at least one electrical conductor and at least one extruded covering layer based on a thermoplastic polymer material in admixture with a dielectric liquid. The thermoplastic polymer material is selected from: (a) at least one propylene homopolymer or ... | 03/27/2007 |
| 7189567 | Method of culturing human chondrocytes This invention provides a method for rapidly culturing a large amount of human chondrocytes to give normal chondrocytes or a mass thereof. The culture method comprises co-culturing human chondrocytes together with perichondral cells in the chondrogenic stage, as fee... | 03/13/2007 |
| 7179999 | Multi-pair data cable with configurable core filling and pair separation An improved twisted pair telecommunications cable according to the invention includes a plurality of twisted pairs of insulated conductors, and a substantially flat configurable pair separator disposed between the plurality of twisted pairs of insulated conductors a... | 02/20/2007 |
| 7132604 | Cable with an external extruded sheath and method of manufacturing of the cable A cable has a core, which is surrounded by an external extruded sheath. The core of the cable has at least one transmission element for the transmission of electrical current or telecommunication signals. The sheath comprises at least one flexible layer of a convent... | 11/07/2006 |
| 7105749 | Electric cable and manufacturing process thereof An electric cable for power transmission at low voltage has at least one conductor and an insulating coating surrounding the at least one conductor. The insulating coating has at least two insulating layers. In a radial direction from the inside toward the outside o... | 09/12/2006 |
| 7084348 | Plenum communication cables comprising polyolefin insulation A plenum cable for transmitting various communication signals is described. The cable contains a plurality of twisted pairs of insulated conductors with an insulation that contains substantially no FEP or fluoropolymers. Rather, the insulation contains one or more l... | 08/01/2006 |
| 7085457 | Underground electrical cable with temperature sensing means An electrical cable having a holding member arranged within the cable for an optic fiber, which can be used for temperature sensing and/or communications. The holding member can replace one or more strands of the cable, be placed inside an interstice of the cable, b... | 08/01/2006 |
| 7078626 | Cable apparatus for minimizing skew delay of analog signals and cross-talk from digital signals and method of making same An unshielded twisted pair (UTP) cable having a common electrical length among a plurality of twisted pairs for carrying analog signals and a different lay length and lay direction to an additional twisted pair for carrying digital signals is disclosed. The twisted ... | 07/18/2006 |
| 7031856 | Automatic wire dielectric analyzer A system and method for automatically determining a dielectric constant for a cable of known length for use in a Time Domain Reflectometer (TDR) are disclosed. The TDR mode is set to time mode. A waveform for the cable is acquired from the TDR. The waveform indicate... | 04/18/2006 |
| 7015398 | Communications cable An insulated wire for use in a communications cable, the wire comprising a conductor, at least one inner insulating layer surrounding the conductor, and an outer layer surrounding the insulating layers. At least one of the inner layers is a nano-composite comprising... | 03/21/2006 |
| 7015396 | Insulation material for electrical machines The present invention improves the heat resistance and strength of insulation material inserted between a core and a coil of an electrical machine. A slot liner is placed between a core of an electric motor of an electric machine and a conductor of a coil. The slot ... | 03/21/2006 |
| 6969940 | High voltage slot liner for electrical motor An electric motor has a housing with a plurality of stator discs. The discs have slots that align with one another, forming passages. A dielectric film tube inserts into the slots, each of the tubes having a continuous circumference. Each tube has a nonmeltable diel... | 11/29/2005 |
| 6924031 | Low-smoke self-extinguishing electrical cable and flame-retardant composition used therein Self-extinguishing cable coated with a flame-retardant composition having: (a) an ethylene homopolymer or copolymer having a density of from 0.905 to 0.970 g/cm3, and being selected from: ethylene homopolymers: copolymers of ethylene with an alpha-olefin;... | 08/02/2005 |
| 6921864 | Cable with at least one transmission element A cable with at least one transmission element (A), which is surrounded by a sheath (M) of insulation material. To simplify stripping of the insulation, the sheath (M) is composed of an inner layer (3) and an outer layer (4), which are firmly bonded to... | 07/26/2005 |
| 6908673 | Cable with recyclable covering A cable with recyclable covering, particularly for transporting or distributing medium or high voltage energy, in which at least one covering layer is based on a thermoplastic polymer material of a propylene homopolymer or a copolymer of propylene with ethylene or a... | 06/21/2005 |
| 6907363 | Automatic insulation resistance testing apparatus An apparatus and method for automatic measurement of insulation resistances of a multi-conductor cable. In one embodiment of the invention, the apparatus comprises a power supply source, an input measuring means, an output measuring means, a plurality of input relay... | 06/14/2005 |
| 6879861 | Polymeric materials with improved dielectric breakdown strength A novel polymeric electrically insulating material that includes a linked voltage stabilizing agent. Also provided are methods of making the novel material and articles and devices that incorporate the novel material, particularly implantable medical devices. ... | 04/12/2005 |
| 6869995 | Water tree resistant cable A composition comprising: (i) polyethylene, and, based on 100 parts by weight of component (i), (ii) about 0.3 to about 0.6 part by weight of 4,4′-thiobis(2-methyl-6-t-butylphenol); 4,4′-thiobis(2-t-butyl-5-met... | 03/22/2005 |
| 6861143 | Cable with recyclable covering A cable includes at least one conductor and at least one covering layer. The at least one covering layer includes a thermoplastic polymer material. The polymer material includes a propylene homopolymer or a copolymer of propylene with an olefin comonomer. The olefin... | 03/01/2005 |
| 6858296 | Power cable This invention is directed to a cable for electrical conductors which has insulation layer which includes a 2,2,6,6-tetramethylpiperidine and a strippable insulation shield layer which includes a copolymer of acrylonitrile and butadiene. ... | 02/22/2005 |
| 6824870 | Cable with recyclable covering A cable with recyclable covering, particularly for transporting or distributing medium or high voltage energy, in which at least one covering layer is based on thermoplastic polymer material comprising a propylene homopolymer or a copolymer of propylene with ethylen... | 11/30/2004 |
| 6824815 | Process for producing an electrical cable, particularly for high voltage direct current transmission or distribution Process for preparing an electrical cable comprising at least one conductor and at least one layer of extruded insulating coating, which includes: coating, by extrusion, the conductor with a polymeric composition comprising a polye... | 11/30/2004 |
| 6696154 | Cable, in particular for transport or distribution of electrical energy and insulating composition Electrical cable having at least one conducting element, at least one polyolefin-based insulating covering layer, in which said insulating covering layer has at least one voltage stabilizer, said voltage stabilizer being a benzophenone substituted with at... | 02/24/2004 |
| 6673448 | Electric cable and a method for the production thereof A semiconducting composition for electric cables, an electric cable incorporating the composition, and a method of producing a cross-linked semiconducting layer of an electric cable are disclosed. The semiconducting composition comprises, based on the tot... | 01/06/2004 |
| 6645623 | Polyphenylene sulfide alloy coated wire The present invention relates an electrically conductive wire having a metal core and an outer electrically-insulative, polymer coating wherein the polymer composition contains polyphenylene sulfide, a polymeric grafting agent and an ethylene copolymer. T... | 11/11/2003 |
| 6623855 | Ethylene-vinyl acetate copolymer waxes Disclosed are ethylene-vinyl acetate ("EVA") copolymer waxes comprising at least about 10%, by weight, of moieties derived from vinyl acetate, the copolymer having a polydispersity ("Mw/Mn") of at least about 6 and a molecular weight ("Mw") of from about ... | 09/23/2003 |
| 6610401 | Cables with a recyclable coating Cable, in particular for medium-voltage or high-voltage electrical power transmission or distribution, for telecommunications or for data transmission, comprising a conductor and at least one coating layer based on a non-crosslinked polymer material compr... | 08/26/2003 |
| 6596392 | Sheathed wires and cables The sheathed wire or cable of the invention is obtained by coating an outermost layer of a wire or cable with a polyethylene resin produced by polymerization using a single-site catalyst. The polyethylene resin preferably has the properties: (i) the 50% c... | 07/22/2003 |
| 6524702 | Electrical devices having polymeric members The present invention relates to electrically conductive devices comprising at least one electrically conductive substrate surrounded by an interpolymer composition. The interpolymer composition comprises at least one substantially random interpolymer com... | 02/25/2003 |
| 6514608 | Semiconductive jacket for cable and cable jacketed therewith A semiconductive jacket material for jacketing a cable comprising a minor phase material which is a semicrystalline polymer; a conductive filler material dispersed in the minor phase material in an amount sufficient to be equal to or greater than an amoun... | 02/04/2003 |
| 6506492 | Semiconductive jacket for cable and cable jacketed therewith A conductive polymer composite material for semiconductive jackets for cables which has a significant reduction in conductive filler content while maintaining the required conductivity and mechanical properties specified by industry. Materials and process... | 01/14/2003 |
| 6500882 | Flame-retardant, flame-retardant resin composition and molded article thereof A flame-retardant for a synthetic resin, which is obtained by surface-treating a magnesium hydroxide with an emulsion of a copolymer or polymer of the formula (1), ##STR1## wherein X is hydrogen, a phenyl group, etc., Y is an alkyl group, etc., each ... | 12/31/2002 |
| 6461730 | Lubricant for wire used for forming the stator windings of an electrical refrigerating compressor A lubricant for a wire which is first insulated by means, of a lacquer coating, the wire being used for forming the stator windings of an electrical refrigerating compressor. The lubricant consists of one or more compounds of the formula CH3 --... | 10/08/2002 |
| 6455602 | High-speed processable cellular insulation material with enhanced foamability An expandable composition comprising: (A) about 60 to about 98 percent by weight of a polyolefin or mixture of polyolefins wherein the polyolefin or mixture has an η0 of less than about 9.0 kilopascal.seconds (kPa.s), a Jr greater than about 50×10-... | 09/24/2002 |
| 6441309 | Tree resistant cable A cable having one or more electrical conductors or a core of electrical conductors, each conductor or core being surrounded by a layer of a composition having at least about 95 percent by weight of a very low density polyethylene (VLDPE) which has a numb... | 08/27/2002 |
| 6436536 | Electric cable coated with polyolefin and polymer with ester and epoxy groups A polymeric composition for coating electric cables for power transmission at medium/high voltage, having an improved resistance against the formation of the so-called water trees, comprises a polymeric polyolefin base including, in parts by weight to the... | 08/20/2002 |
| 6416860 | Electric cable and a method and composition for the production thereof A semiconducting composition for the inner semiconducting layer of an electric cable, an electric cable incorporating the composition, and a method of producing a cross-linked inner semiconducting layer of an electric cable are disclosed. The semiconducti... | 07/09/2002 |
