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Tearing and biting resisting optical cable and preparation method thereof

An optical cable and cable core technology, applied in the field of tear-resistant optical cable and its preparation, can solve the problems of poor adhesion of polyethylene sheath and poor strength of nylon 6 sheath, and achieve excellent sheath surface quality and good plasticizing effect. , The effect of enhanced tear resistance

Active Publication Date: 2018-03-23
丰果(中国)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the deficiencies of the prior art, provide a kind of bite-resistant optical cable and its preparation method, and solve the problems of poor strength of nylon 6 sheath and poor adhesion of polyethylene sheath

Method used

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  • Tearing and biting resisting optical cable and preparation method thereof
  • Tearing and biting resisting optical cable and preparation method thereof
  • Tearing and biting resisting optical cable and preparation method thereof

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Embodiment Construction

[0058] The technical solution of the present invention will be further described in detail below in conjunction with specific examples, but the protection scope of the present invention is not limited to the following description.

[0059] A tear-resistant optical cable, comprising a sheath I1, a sheath II2 is set inside the sheath I1, and a sheath III3 is set inside the sheath II2, and a hollow structure is formed inside the sheath III3 and at least one loose tube 31 is provided , each loose tube 31 is provided with at least 2n optical fibers 32 , wherein n is a positive integer, and 1≤n≤6.

[0060] Specifically, the sheath III 3 is a thickened steel strip.

[0061] Specifically, the surface of the sheath III 3 close to the loose tube 31 is covered with binding yarn 33, and the binding yarn 33 is a high-strength polyester yarn.

[0062] Specifically, a central reinforcement 34 and a cable core filler 35 are also arranged in the sheath III 3 .

[0063] A preparation method f...

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Abstract

The invention relates to a tearing and biting resisting optical cable and a preparation method thereof. The optical cable comprises a sheath 1. A sheath II is sleeved by the sheath I. A hollow structure is formed in the sheath II and at least one loose sleeve is arranged in the sheath II. At least 2n fibers are arranged in each loose sleeve, wherein n is a positive integer and 1<=n<=6. The preparation method comprises steps of S1, preprocessing of fiber cores; S2, forming of the sheaths; S3, cooling of cables; and S4, wire withdrawing of finished products. According to the invention, the optical cable is advantaged by big tensile modulus, high tearing resisting performance and tearing and biting resisting ability.

Description

technical field [0001] The invention relates to the technical field of optical cable manufacturing, in particular to a tear-resistant optical cable and a preparation method thereof. Background technique [0002] Optical fiber, referred to as optical fiber, is a light transmission tool that transmits light on the principle of total reflection in fibers made of glass or plastic. The tiny fiber is encapsulated in a plastic sheath that allows it to be bent without breaking. Typically, a transmitting device at one end of the fiber uses a light-emitting diode or a laser to transmit light pulses into the fiber, and a receiving device at the other end of the fiber uses a photosensitive component to detect the pulses. Cables that contain optical fibers are called fiber optic cables. Because the transmission loss of light in optical fibers is much lower than that of electricity in wires, and because the main raw material is silicon, which has a huge reserve and is easy to mine, it i...

Claims

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Application Information

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IPC IPC(8): G02B6/44
CPCG02B6/443G02B6/4434G02B6/4486
Inventor 陈颖雪林亮臻陈云玲
Owner 丰果(中国)有限公司
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