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Temperature-resistant and compressive cable and production equipment and production technology thereof

A technology for production equipment and cables, which is applied in the field of temperature-resistant and pressure-resistant cables and their production equipment and production technology, which can solve problems such as limited temperature and pressure resistance, impact on service life, and easy skin damage, so as to increase pressure resistance. , prolong the service life and increase the effect of insulation performance

Active Publication Date: 2017-03-22
FUZHOU YONGTONG WIRE & CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The current electric wires and cables are generally composed of a metal core wire covered with a plastic sheath, so their temperature resistance and pressure resistance are limited. When used in the soil layer, they are easily subjected to high pressure, which is easy to break the skin and damage the service life. affected

Method used

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  • Temperature-resistant and compressive cable and production equipment and production technology thereof
  • Temperature-resistant and compressive cable and production equipment and production technology thereof
  • Temperature-resistant and compressive cable and production equipment and production technology thereof

Examples

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Embodiment Construction

[0029] The temperature-resistant and pressure-resistant cable of the present invention includes three twisted core wires 1, a mica tape layer 2 wrapped around the three core wires, and a galvanized iron layer 3 wrapped outside the mica tape layer 2, and the periphery of the galvanized iron layer 3 is extruded There is a cable sheath 4 .

[0030] Further, for rational design, the core wire 1 includes a conductive metal inner core wire 101 and a plastic skin 102 .

[0031] Further, in order to design rationally and make the electrical performance of the cable better, a plurality of second core wires 5 are arranged on the peripheral side of the above three twisted core wires, and the wire diameter of the second core wires is three times that of the core wires. The layout of the multiple second core wires 5 makes the composition of the cable closer to a circle.

[0032] The temperature-resistant and pressure-resistant cable of the present invention increases its withstand voltage...

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PUM

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Abstract

The invention relates to a temperature-resistant and compressive cable and production equipment and the production technology thereof. The temperature-resistant and compressive cable is characterized by comprising three twisted core wires, a mica tape layer which envelopes outside the three core wires and a galvanized iron layer which envelopes outside the mica tape layer. A cable sheath layer extrudes outside the galvanized iron layer. The temperature-resistant and compressive cable is simple in structure, reasonable in design and favorable for enhancing the temperature resistance and the compressive property of the cable.

Description

[0001] Technical field: [0002] The invention relates to a temperature-resistant and pressure-resistant cable and its production equipment and production process. [0003] Background technique: [0004] The current electric wires and cables are generally composed of a metal core wire covered with a plastic sheath, so their temperature resistance and pressure resistance are limited. When used in the soil layer, they are easily subjected to high pressure, which is easy to break the skin and damage the service life. affected. [0005] Invention content: [0006] The object of the present invention is to provide a temperature-resistant and pressure-resistant cable and its production equipment and production process. The temperature-resistant and pressure-resistant cable and its production equipment and production process have a simple structure and a reasonable design, which is conducive to improving its service life. [0007] The temperature-resistant and pressure-resistant...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/00H01B7/02H01B7/17H01B7/22H01B7/29H01B13/00H01B13/08H01B13/24H01B13/26H01B13/30
CPCH01B7/0045H01B7/0241H01B7/17H01B7/226H01B7/29H01B13/002H01B13/08H01B13/24H01B13/26H01B13/30
Inventor 刘敏锐
Owner FUZHOU YONGTONG WIRE & CABLE
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