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Easy-to-strip skeleton type optical cable

A skeleton-type optical cable and skeleton technology, applied in the direction of fiber mechanical structure, etc., can solve the problems of destroying the overall structure of the optical cable, troublesome marking lines, poor skeleton extrusion, etc., and achieve the effects of simple identification, long service life and convenient branching.

Inactive Publication Date: 2010-08-18
高飞
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This type of optical cable of the prior art mainly has the following defects: one is: the marking line will slowly fade as time goes on, so it brings great inconvenience to future maintenance; and the making of the marking line itself Relatively troublesome; the second is: when the rib label is used, because the rib label is a narrow strip extruded together with the skeleton, there will often be intermittent phenomena, which will easily lead to poor extrusion of the skeleton; the third is: skeleton optical cable The biggest advantage is that it is easy to branch, and it can complete the branching of optical fiber or optical fiber ribbon without damaging the optical cable body to the greatest extent; The purpose of identifying the required optical fiber or optical fiber ribbon can be achieved by stripping at least a full turn of the sheath, and then stripping the skeleton groove to realize the branching of the optical fiber or optical cable. One of the defects is that the overall structure of the optical cable is destroyed. The channel that needs to be destroyed is also stripped; the second defect is that it must be stripped for a full circle before it can be identified

Method used

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  • Easy-to-strip skeleton type optical cable
  • Easy-to-strip skeleton type optical cable
  • Easy-to-strip skeleton type optical cable

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] see figure 1 and figure 2 , an easy-to-peel skeletal optical cable, which includes: a central strength member 1 in the center, a skeleton 3 formed by a cylinder with a skeleton groove 2 surrounding the central strength member, an optical fiber 4 or an optical fiber ribbon located in the skeleton groove 2, Covering the tape layer 6 of the skeleton 3 and the skeleton groove 2 and the outer sheath 7 extruded outside the tape layer; it is characterized in that: in the optical cable, there is a marking tape 5 in the skeleton groove 2; The identification band is conductive; the central reinforcement is non-metallic; there are three skeleton grooves; the central reinforcement is glass fiber reinforced plastic; the skeleton is made of plastic; The outer sheath is low-density polyethylene; the tape layer is a water-blocking tape covered longitudinally; the identification tape contains iron; the identification tape is laid on the bottom and side of the skeleton groove, and the ...

Embodiment 2

[0026] see image 3 and Figure 4 , an easy-to-peel skeletal optical cable, which includes: a central strength member 1 in the center, a skeleton 3 formed by a cylinder with a skeleton groove 2 surrounding the central strength member, an optical fiber 4 or an optical fiber ribbon located in the skeleton groove 2, Covering the tape layer 6 of the skeleton 3 and the skeleton groove 2 and the outer sheath 7 extruded outside the tape layer; it is characterized in that: in the optical cable, there is a marking tape 5 in the skeleton groove 2; The identification band is conductive; the central reinforcement is non-metallic; there are three skeleton grooves; the central reinforcement is glass fiber reinforced plastic; the skeleton is made of plastic; The outer sheath is low-density polyethylene; the cladding layer is a water-blocking tape covered longitudinally; the identification tape contains iron; the identification tape is located on the top of the skeleton groove and above the ...

Embodiment 3

[0027] see Figure 5 , an easy-to-peel skeletal optical cable, which includes: a central strength member 1 in the center, a skeleton 3 formed by a cylinder with a skeleton groove 2 surrounding the central strength member, an optical fiber 4 or an optical fiber ribbon located in the skeleton groove 2, The tape layer 6 covering the skeleton 3 and the skeleton groove 2 and the outer sheath 7 extruded outside the tape layer; it is characterized in that: in the optical cable, there are three skeleton grooves 2 with identification tapes 5; The identification band is conductive; the central reinforcement is non-metallic; there are three skeleton grooves; the central reinforcement is glass fiber reinforced plastic; the skeleton is made of plastic; The outer sheath is low-density polyethylene; the cladding layer is a water-blocking tape covered longitudinally; the identification tape contains iron; the identification tape is located on the top of the skeleton groove and above the optic...

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Abstract

The invention relates to the technical field of optical transmission communication carriers, in particular to an easy-to-strip skeleton type optical cable, which comprises a central reinforcing piece (1) positioned at the center, a skeleton (3) consisting of a cylinder with skeleton grooves (2), optical fibers (4) or optical fiber belts positioned in the skeleton grooves (2), a belting layer (6) covering the skeleton (3) and the skeleton grooves (2), and an outer protective layer (7) extruding outside the belting layer, and is characterized in that a marking belt (5) is arranged in at least one skeleton groove (2) in the optical cable and can be conductive or magnetic, and the central reinforcing piece is non-metallic. The invention has the following beneficial effects of faster production speed of the optical cable, more convenient maintenance, simpler identification and longer service life of optical fibers.

Description

technical field [0001] The invention relates to the technical field of optical transmission and communication carriers, and is an improvement to the existing skeleton optical cable, in particular to an easy-to-stripping skeleton optical cable. Background technique [0002] The Communication Industry Standard of the People's Republic of China YD / T981.1-2009 "Optical Fiber Ribbon Cables for Access Network Part 1: Skeleton Type" stipulates a variety of skeleton type optical cables; The optical fiber ribbon, the tape covering the skeleton, and the outer sheath outside the tape; in addition, in order to facilitate identification, marking lines or extruded ribs are usually used to distinguish them. This type of optical cable of the prior art mainly has the following defects: one is: the marking line will slowly fade as time goes on, so it brings great inconvenience to future maintenance; and the making of the marking line itself Relatively troublesome; the second is: when the rib...

Claims

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Application Information

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IPC IPC(8): G02B6/44
Inventor 蒋菊生
Owner 高飞
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