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Aluminum foil, cable with same and cable encasement method

A cable and aluminum foil technology, which is applied in the direction of double-stranded/quad-stranded cables, insulated cables, communication cables, etc., can solve the problems of reducing cables, occupying a lot of space for cables, and bulky winding reels. , to prevent electromagnetic interference, good bending, good sealing effect

Pending Publication Date: 2021-12-31
ZHANGJIAGANG TWENTSCHE CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, there is a hollow winding shaft in the center of the winding disc. In order to reduce the bending degree of the cable, the diameter of the winding shaft is generally larger, which makes the volume of the winding disc larger and takes up a lot of space when packaging, transporting and storing the cable.

Method used

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  • Aluminum foil, cable with same and cable encasement method
  • Aluminum foil, cable with same and cable encasement method
  • Aluminum foil, cable with same and cable encasement method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] figure 1 A schematic diagram of the structure of an aluminum foil in the present application is shown. Such as figure 1 As shown, the aluminum foil includes a first insulating layer 1 , a metal layer 2 and a second insulating layer 3 , wherein the first insulating layer 1 and the second insulating layer 3 cover both sides of the metal layer 2 respectively. The width of the first insulating layer 1 and the second insulating layer 3 is greater than that of the metal layer 2 , so that a margin 4 without the metal layer 2 is formed on both sides between the first insulating layer 1 and the second insulating layer 3 . At the margin 4, the first insulation 1 and the second insulation 3 are bonded together by melting, so that an accommodation cavity is formed between the margins 4 on both sides, and the metal layer 2 is sealed in the accommodation cavity. .

[0041] In the above technical solution, the present application arranges the first insulating layer 1 and the second...

Embodiment 2

[0045] figure 2 The specific structure of a cable in the present application having an aluminum foil as described in Example 1 is shown. Such as figure 2 As shown, the cable includes a cable core 10, a shielding layer 20 and a sheath layer 30 from the inside to the outside, wherein the shielding layer 20 is wound or covered by the above-mentioned aluminum foil. In order to ensure its shielding effect, the shielding tape is wound or The overlapping parts of the cladding overlap, specifically, the overlapping ratio is greater than or equal to 25% in this embodiment. Since the inner and outer sides of the shielding layer 20 are provided with insulating materials (the first insulating layer 1 and the second insulating layer 3), the metal layer 2 is isolated from the cable core 10 and the sheath layer 30, so when in use, the metal The charge on layer 2 will not cause electrostatic interference inside and outside the cable. Compared with the existing FTP, it does not need additi...

Embodiment 3

[0051] The present application also discloses a method for packing cables, which is applied to the cables described in Embodiment 2, including the following steps:

[0052] Winding for the first time: winding the cable once in the first direction to form a first coil 100; the diameter of the first coil 100 is the minimum bending diameter of the cable or the shortest inner side length of the carton;

[0053] Second winding: winding the cable once in a second direction to form a second winding coil 200 , the second direction being opposite to the first direction. The diameter of the second winding coil 200 is consistent with that of the first winding coil 100 . After the second winding is completed, the remaining cables are located between the first winding coil 100 and the second winding coil 200 .

[0054] Repeat the above actions until the cable winding is completed;

[0055] Pack the finished cable into the carton.

[0056] With this method of winding, the bending state o...

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Abstract

The invention discloses an aluminum foil, a cable with the same and a cable encasement method, and relates to the technical field of data transmission cables. The aluminum foil comprises a metal layer, a first insulating layer and a second insulating layer, and blank edges without the metal layer are formed on the two sides of the first insulating layer and the two sides of the second insulating layer. At the blank edge, the first insulating layer and the second insulating layer are attached together in a melting mode. According to the application, the first insulating layer and the second insulating layer are arranged on the two sides of the metal layer, when the metal layer is wound on the cable core, the use of a drain wire on the cable core is avoided, so that the cable can be better bent (that is, the minimum bending radius can be reduced), and then winding can be carried out without using a wire spool. According to the invention, the first insulating layer and the second insulating layer at the blank edge are attached together in a melting manner, so that the metal layer is better sealed, and the electromagnetic interference of the metal layer to the cable core is further prevented.

Description

technical field [0001] The present application relates to the technical field of data transmission cables, in particular to an aluminum foil, a cable with the same, and a cable packing method. Background technique [0002] A shielded cable (Foiled Twisted Pair, hereinafter referred to as FTP) generally has a shielding layer arranged outside the cable core and a drain wire arranged inside the shielding layer. The shielding layer is composed of a metal foil shielding tape, which can shield electromagnetic interference. In FTP, the shielding tape is generally wrapped on the outside of the cable core in one or more ways such as wrapping, braiding, winding, etc., and has a two-layer structure. and a metal foil layer of equal width (for example, aluminum foil) are bonded by glue and baked. Among them, the insulating layer faces outward, and the metal foil layer faces inward. A grounded drain line is arranged between the metal foil layer and the cable core. The metal foil layer is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B5/14H01B7/17H01B11/10B65B63/04B65H54/02
CPCH01B5/14H01B7/17H01B11/1008B65H54/02B65B63/04B65H2701/34
Inventor 贾健佳邹海鸥刘朔张丽红李薇孙凯吴凯
Owner ZHANGJIAGANG TWENTSCHE CABLE
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