Method for producing a cable core, having a conductor surrounded by an insulation, for a cable, in particular for an induction cable, and cable core and cable
First Claim
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1. A method for producing a cable, which comprises the steps of:
- producing a plurality of cable cores, each of the cable cores being produced by the further steps of;
feeding a crude core continuously to a processing machine and there, recurrently, at predefined length positions the crude core is separated at a separation point, so that at the separation point two core ends exist, said crude core haying an insulation surrounding a conductor;
pulling apart the core ends in a cable longitudinal direction; and
reconnecting the two core ends with a connector, the connector having an insulating spacer part for separating the core ends from each other by a predefined distance, the core ends in the cable longitudinal direction fastened on both sides of the insulating spacer part to the connector, the insulating spacer part being disposed between the core ends and separating the core ends from each other by the predefined distance, the connector being integrally connected to the insulation and the insulation haying a first width and a first length, the connector haying a second width being greater than the first width of the insulation and a second length being less than the first length of the insulation;
stranding together the plurality of cable cores resulting in stranded cable cores; and
surrounding the stranded cable cores with a cable sheath to form the cable.
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Abstract
A production method produces a cable core for an induction cable in a simple and simultaneously reliable manner. In the method, a raw conductor is fed continuously to a processing machine and separated in a recurring manner at specified length positions at a separating point so that there are two wire ends. The ends are then pulled apart from each other in the longitudinal direction of the cable and then connected again by a connector which has an insulating spacer which separates the wire ends from each other by a specified distance. The connector is preferably configured as an injection molded part, in particular using the online process. A plurality of such cable cores are connected to each other via a cabling process and then enclosed by a cable sleeve to produce the induction cable.
11 Citations
17 Claims
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1. A method for producing a cable, which comprises the steps of:
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producing a plurality of cable cores, each of the cable cores being produced by the further steps of; feeding a crude core continuously to a processing machine and there, recurrently, at predefined length positions the crude core is separated at a separation point, so that at the separation point two core ends exist, said crude core haying an insulation surrounding a conductor; pulling apart the core ends in a cable longitudinal direction; and reconnecting the two core ends with a connector, the connector having an insulating spacer part for separating the core ends from each other by a predefined distance, the core ends in the cable longitudinal direction fastened on both sides of the insulating spacer part to the connector, the insulating spacer part being disposed between the core ends and separating the core ends from each other by the predefined distance, the connector being integrally connected to the insulation and the insulation haying a first width and a first length, the connector haying a second width being greater than the first width of the insulation and a second length being less than the first length of the insulation; stranding together the plurality of cable cores resulting in stranded cable cores; and surrounding the stranded cable cores with a cable sheath to form the cable. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A cable, comprising:
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a cable sheath; and a plurality of cable cores stranded together and surrounded by said cable sheath, each of said cable cores containing; a conductor; insulation surrounding said conductor and having a first width and a first length, wherein each of said cable cores including said conductor and said insulation being interrupted in a cable longitudinal direction at a predefined length position at a separation point, resulting in a formation of two opposing core ends; and a connector extending in the cable longitudinal direction and having an insulating spacer part, said opposing core ends, in the cable longitudinal direction, fastened on both sides of said insulating spacer part to said connector, said insulating spacer part being disposed between said two opposing core ends and separating said two opposing core ends from each other by a predefined distance, said connector integrally connected to said insulation, said connector having a second width being greater than said first width of said insulation and a second length being less than said first length of said insulation. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification
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Current AssigneeLeoni Kabel GmbH (Leoni AG)
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Original AssigneeLeoni Kabel Holding GmbH (Leoni AG)
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InventorsMosebach, Jens, Dreiner, Michael
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Primary Examiner(s)Ross, Dana
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Assistant Examiner(s)Harvey, Brandon
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Application NumberUS14/293,109Publication NumberTime in Patent Office1,730 DaysField of Search219672, 219635-637, 219674, 219676US Class CurrentCPC Class CodesE21B 43/2401 by means of electricityH01B 7/0009 Details relating to the con...H05B 2214/03 Heating of hydrocarbonsH05B 6/02 Induction heatingY10T 29/49174 Assembling terminal to elon...
