# US 10,770,202 B1 · Striped cable and process and apparatus for making same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,770,202 B1 - Document ID: US10770202B1 - Status: Granted - Kind: B1 - Application number: 14/186,215 - Filed: 2014-02-21 - Granted: 2020-09-08 - Earliest claimed: 2013-02-21 - Assignees: Southwire Company - Applicants: Southwire Company, LLC - Inventors: Scotty J. Ledbetter - Web page: https://patentgrep.com/patent/US10770202B1 ## CPC - H01B 7/361: {being the colour of the insulation or conductor} - B29C 48/09: Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels - B29C 48/154: Coating solid articles, i.e. non-hollow articles - B29C 48/20: one of the layers being a strip, e.g. a partially embedded strip - B29C 48/21: the layers being joined at their surfaces - B29C 48/30: Extrusion nozzles or dies (extrusion characterised by the shape or cross-section of the extruded article B29C48/03) - B29C 48/3366: {using a die with concentric parts, e.g. rings, cylinders} - B29C 48/338: {using a die with concentric parts, e.g. rings, cylinders} - B29C 48/34: Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated - B29C 48/49: using two or more extruders to feed one die or nozzle - H01B 7/1875: {Multi-layer sheaths} - H01B 13/24: by extrusion {(extrusion of cables with plastic material in general B29C48/15)} - H01B 3/44: vinyl resins; acrylic resins (silicones H01B3/46) - H01B: CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES (selection for magnetic properties H01F1/00; waveguides H01P {; printed circuits H05K}) - B29C: SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING (making preforms B29B11/00; making laminated products by combining previously unconnected layers which become one product whose layers will remain together B32B37/00 - B32B41/00) ## Abstract A multi-striped electrical cable may be provided. The multi-striped electrical cable may comprise a conductor, an inner layer, an outer layer, and a stripe. The conductor core may comprise a conductor. The inner layer may be around the conductor core and may comprise an inner layer polymer. The outer layer may be around the inner layer. The outer layer may comprise an outer layer polymer, an outer layer colorant, and an outer layer friction reducing additive. The stripe may be disposed on an outermost portion of the outer layer. The stripe may comprise a stripe polymer, a stripe colorant, and a stripe friction reducing additive. ## Claims ### Claim 1 An electrical cable comprising: a conductor core comprising a conductor; an inner layer around the conductor core, the inner layer comprising an inner layer polymer; an outer layer around the inner layer, the outer layer comprising an outer layer polymer, an outer layer colorant, and an outer layer friction reducing additive, wherein the outer layer friction reducing additive comprises a first friction reducing additive; and a stripe disposed in an outermost portion of the outer layer disrupting concentricity of the outer layer, the stripe comprising a stripe polymer, a stripe colorant, and a stripe friction reducing additive, wherein the stripe friction reducing additive comprises a second friction reducing additive, wherein at least a portion of the stripe friction reducing additive is present throughout the stripe, the outer layer and the stripe forming a continuous outer contour for the electrical cable, wherein the outer layer friction reducing additive is present throughout a thickness of the outer layer wherein the inner layer, the outer layer, and the stripe comprise a multi-layer flow attached to the conductor core, and wherein a distance between an outside surface of the stripe and a center of the conductor core is equal to a distance between an outside surface of the outer layer and the center of the conductor core, and wherein the outer layer polymer is a polyamide; and wherein the stripe polymer is different than the outer layer polymer. ### Claim 2 (depends on 1) The cable of claim 1, wherein an arc length of the stripe is from about 1% to about 25% of a circumference of the cable. ### Claim 3 (depends on 1) The cable of claim 1, wherein a ratio of a maximum thickness of the outer layer to an average thickness of the stripe is in a range from about 1.2:1 to about 10:1. ### Claim 4 (depends on 1) The cable of claim 1, wherein the stripe colorant and the outer layer colorant comprise different materials. ### Claim 5 (depends on 1) The cable of claim 1, wherein the inner layer polymer and the stripe polymer independently comprise a polyolefin. ### Claim 6 (depends on 5) The cable of claim 5, wherein the polyolefin comprises an ethylene homopolymer, an ethylene-based copolymer, a propylene homopolymer, a propylene-based copolymer, or a combination thereof. ### Claim 7 (depends on 5) The cable of claim 5, wherein the polyolefin comprises an ethylene-butene copolymer, an ethylene-hexene copolymer, an ethylene-octene copolymer, or a combination thereof. ### Claim 8 (depends on 5) The cable of claim 5, wherein the polyolefin comprises a crosslinked polyethylene. ### Claim 9 (depends on 5) The electrical cable of claim 5, wherein the inner layer polymer comprises a chlorinated polyolefin. ### Claim 10 (depends on 9) The electrical cable of claim 9, wherein the inner layer polymer comprises polyvinyl chloride. ### Claim 11 (depends on 1) The cable of claim 1, wherein the outer layer friction reducing additive and the stripe friction reducing additive are not applied coatings. ### Claim 12 (depends on 1) The cable of claim 1, further comprising a material between the conductor core and the inner layer. ### Claim 13 (depends on 1) The cable of claim 1, wherein the inner layer is adhered to the conductor core. ### Claim 14 (depends on 1) The electrical cable of claim 1, wherein the outer layer colorant and the stripe colorant comprise different materials, and the outer layer friction reducing additive and the stripe friction reducing additive comprise the same material. ### Claim 15 (depends on 1) The electrical cable of claim 1, wherein the outer layer friction reducing additive and the stripe friction reducing additive comprise different materials. ### Claim 16 An electrical cable comprising: a conductor core comprising a conductor; an inner layer around the conductor core, the inner layer comprising an inner layer polymer; an outer layer around the inner layer, the outer layer comprising an outer layer polymer, an outer layer colorant, and an outer layer friction reducing additive; and a stripe disposed in an outermost portion of the outer layer, the stripe comprising a stripe polymer, and a stripe colorant, the outer layer and the stripe forming a continuous outer contour for the electrical cable, wherein the friction reducing additive is present throughout a thickness of the outer layer, and wherein the inner layer, the outer layer, and the stripe comprise a multi-layer flow attached to the conductor core, and wherein a distance between an outside surface of the stripe and a center of the conductor core is equal to a distance between an outside surface of the outer layer and the center of the conductor core, and wherein the outer layer polymer is a polyamide and wherein the stripe polymer is different than the outer layer polymer. ### Claim 17 (depends on 16) The cable of claim 16, wherein the outer layer is free of a knit line. ### Claim 18 (depends on 16) The cable of claim 16, wherein the inner layer, the outer layer, and the stripe are formed together before being applied to the conductor core. ### Claim 19 (depends on 16) The electrical cable of claim 16, wherein the outer layer polymer, having the outer layer friction reducing additive, and the stripe polymer, having a stripe friction reducing additive, are introduced into the multi-layer flow independently. ### Claim 20 An electrical cable comprising: a conductor core comprising a conductor; an inner layer around the conductor core, the inner layer comprising an inner layer polymer; an outer layer around the inner layer, the outer layer comprising an outer layer polymer, an outer layer colorant, and an outer layer friction reducing additive, the outer layer being free of a knit line, wherein the outer layer friction reducing additive comprises a first friction reducing additive; and a stripe disposed on an outermost portion of the outer layer, the stripe comprising a stripe polymer, a stripe colorant, and a stripe friction reducing additive, the outer layer and the stripe forming a continuous outer contour for the electrical cable, wherein the stripe friction reducing additive comprises a second friction reducing additive, wherein at least a portion of the stripe friction reducing additive is present throughout the stripe, and wherein the outer layer friction reducing additive is present throughout a thickness of the outer layer wherein the inner layer, the outer layer, and the stripe comprise a multi-layer flow attached to the conductor core and wherein a distance between an outside surface of the stripe and a center of the conductor core is equal to a distance between an outside surface of the outer layer and the center of the conductor core, and wherein the stripe polymer is different than the outer layer polymer wherein the outer layer polymer is a polyamide. ### Claim 21 (depends on 20) The cable of claim 20, wherein the inner layer, the outer layer, and the stripe are formed together before being applied to the conductor core.