CN105845253A - Manufacture method of optical and electric composite cable with special-shaped filling ropes - Google Patents

Manufacture method of optical and electric composite cable with special-shaped filling ropes Download PDF

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Publication number
CN105845253A
CN105845253A CN201610170405.9A CN201610170405A CN105845253A CN 105845253 A CN105845253 A CN 105845253A CN 201610170405 A CN201610170405 A CN 201610170405A CN 105845253 A CN105845253 A CN 105845253A
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China
Prior art keywords
special
shaped packing
type
water blocking
power transmission
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CN201610170405.9A
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Chinese (zh)
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沈群华
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Individual
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Individual
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Priority to CN201610170405.9A priority Critical patent/CN105845253A/en
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4479—Manufacturing methods of optical cables
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G02B6/443—Protective covering
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G02B6/443—Protective covering
    • G02B6/4432—Protective covering with fibre reinforcements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4479—Manufacturing methods of optical cables
    • G02B6/4483—Injection or filling devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • H01B1/026—Alloys based on copper
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/22—Cables including at least one electrical conductor together with optical fibres
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/02—Stranding-up
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/06—Insulating conductors or cables
    • H01B13/14—Insulating conductors or cables by extrusion
    • H01B13/141—Insulating conductors or cables by extrusion of two or more insulating layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/06—Insulating conductors or cables
    • H01B13/14—Insulating conductors or cables by extrusion
    • H01B13/148—Selection of the insulating material therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
    • H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
    • H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
    • H01B13/2613—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by longitudinal lapping
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/32—Filling or coating with impervious material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
    • H01B3/08—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances quartz; glass; glass wool; slag wool; vitreous enamels
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/02—Disposition of insulation
    • H01B7/0208—Cables with several layers of insulating material
    • H01B7/0216—Two layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/02—Disposition of insulation
    • H01B7/0275—Disposition of insulation comprising one or more extruded layers of insulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/182—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments
    • H01B7/1825—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments forming part of a high tensile strength core
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/1895—Internal space filling-up means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable
    • H01B7/288—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable using hygroscopic material or material swelling in the presence of liquid
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H01B9/005—Power cables including optical transmission elements

Abstract

The invention belongs to the technical field of cables and particularly relates to a manufacture method of an optical and electric composite cable with special-shaped filling ropes. The method is characterized by comprising the steps of manufacturing a first optical fiber signal transmission unit, manufacturing a second optical fiber signal transmission unit, manufacturing a first power transmission unit, manufacturing a second power transmission unit, manufacturing a cable core, manufacturing a protective layer and manufacturing an outer sheath. The invention also discloses the optical and electric composite cable with the special-shaped filling ropes, an optical cable with special-shaped filling ropes and a manufacture method of the optical cable with the special-shaped filling ropes. The manufacturing method of the optical and electric composite cable with the special-shaped filling ropes is simple in manufacture and easy to grasp. The obtained composite cable or optical cable has the technical advantages of being simple in structure, low in cost, environmentally friendly, light in weight, easy to produce, excellent in waterproof performance and the like.

Description

There is the manufacture method of the optoelectrical cable of special-shaped packing gasket
The application is entitled: have the manufacture method of the optoelectrical cable of special-shaped packing gasket, a filing date: on 03 16th, 2015, Application No.: the divisional application of the patent of invention of 201510113711.4.
Technical field
The invention belongs to technical field of cables, especially relate to optoelectrical cable with special-shaped packing gasket and preparation method thereof.
Background technology
Along with the application of developing rapidly of telecommunications, optical fiber cable and electric wire is increasing.The use of optoelectronic composite cable optoelectrical cable in other words or photoelectric mixed cable can make electricity, light directly register one's residence, and operator need not additionally apply for electric load, therefore, is increasingly favored by operator.But, existing optoelectronic composite cable is primarily present problems with: (1) cable core not rounding, in order to make product rounding, needs a lot of implant or makes thicker sheath, which increasing cost；(2) use ointment class to fill, not environmentally, solidify when temperature is low, evaporate during temperature height, during indoor use or extend into and stop up ointment in interior cable and overflow, cause environmental pollution；(3) gasket for packing can only do gap and fill use, can not effectively block water.
In view of drawbacks described above, operator and manufacture commercial city expect there is more preferable solution.
Summary of the invention
In order to solve the problems referred to above, an object of the present invention is to disclose a kind of optoelectrical cable with special-shaped packing gasket and have the optical cable of special-shaped packing gasket；The two of the purpose of the present invention are the optoelectrical cable disclosing and having special-shaped packing gasket and the manufacture method of the optical cable with special-shaped packing gasket, and they realize by the following technical solutions.
In the embodiment 1 of the present invention, there is the optoelectrical cable of special-shaped packing gasket, be made up of at least two power transmission unit, at least signal transmission through fiber unit, center reinforcement, many special-shaped packing gaskets, protective layer, oversheaths；Power transmission unit is made up of power transmission conductor, the insulating barrier that enveloped by power transmission conductor；Signal transmission through fiber unit by optical fibers, envelope fibre-optic protection pipe and constitute；All power transmission unit, all signal transmission through fiber unit are distributed around center reinforcement, every special-shaped packing gasket is all located at adjacent power transmission unit, in the gap that signal transmission through fiber unit and protective layer are formed, or every special-shaped packing gasket is all located in the gap of adjacent power transmission unit and protective layer formation, or every special-shaped packing gasket is all located in the gap of adjacent signal transmission through fiber unit and protective layer formation, protective layer is by all power transmission unit, all signal transmission through fiber unit, center reinforcement, all special-shaped packing gaskets envelope, oversheath extrusion molding is coated on outside protective layer；It is characterized in that the water blocking layer that described special-shaped packing gasket by stiffener, is positioned at outside stiffener, the moisture vapor transmission layer being coated on outside water blocking layer, the outer water blocking layer that is positioned at outside moisture vapor transmission layer are constituted, moisture vapor transmission layer has water blocking layer and the moisture vapor transmission hole of outer water blocking layer in multiple connection.
In the embodiment 2 of the present invention and embodiment 3, there is the optoelectrical cable of special-shaped packing gasket, be made up of at least two power transmission unit, at least signal transmission through fiber unit, many special-shaped packing gaskets, protective layer, oversheaths；Power transmission unit is made up of power transmission conductor, the insulating barrier that enveloped by power transmission conductor；Signal transmission through fiber unit by optical fibers, envelope fibre-optic protection pipe and constitute；All power transmission unit, all signal transmission through fiber unit are distributed around a special-shaped packing gasket, other many special-shaped packing gaskets lay respectively at adjacent power transmission unit, in the gap that signal transmission through fiber unit and protective layer are formed, or every special-shaped packing gasket is all located in the gap of adjacent power transmission unit and protective layer formation, or every special-shaped packing gasket is all located in the gap of adjacent signal transmission through fiber unit and protective layer formation, protective layer is by all power transmission unit, all signal transmission through fiber unit, all special-shaped packing gaskets envelope, oversheath extrusion molding is coated on outside protective layer；It is characterized in that the water blocking layer that described special-shaped packing gasket by stiffener, is positioned at outside stiffener, the moisture vapor transmission layer being coated on outside water blocking layer, the outer water blocking layer that is positioned at outside moisture vapor transmission layer are constituted, moisture vapor transmission layer has water blocking layer and the moisture vapor transmission hole of outer water blocking layer in multiple connection.
The optoelectrical cable with special-shaped packing gasket described in any of the above-described embodiment, the special-shaped packing gasket shown in Fig. 5 can also be used, the water blocking layer that this special-shaped packing gasket by stiffener, is positioned at outside stiffener, the moisture vapor transmission layer being coated on outside water blocking layer, the outer water blocking layer that is positioned at outside moisture vapor transmission layer are constituted, and moisture vapor transmission layer has water blocking layer and the moisture vapor transmission hole of outer water blocking layer in multiple connection；The material of outer water blocking layer is one side film waterstop, waterstop is have multiple hole, and overlay film face is pasted onto on moisture vapor transmission layer.
In embodiment 4 of the present invention, there is the optical cable of special-shaped packing gasket, be made up of multifiber signal transmission unit, center reinforcement, many special-shaped packing gaskets, protective layer, oversheaths；Signal transmission through fiber unit by optical fibers, envelope fibre-optic protection pipe and constitute；Multifiber signal transmission unit is distributed around center reinforcement; many special-shaped packing gaskets lay respectively in the gap of adjacent signal transmission through fiber unit and protective layer formation; all signal transmission through fiber unit, center reinforcement, all special-shaped packing gaskets are enveloped by protective layer, and oversheath extrusion molding is coated on outside protective layer；It is characterized in that the water blocking layer that described special-shaped packing gasket by stiffener, is positioned at outside stiffener, the moisture vapor transmission layer being coated on outside water blocking layer, the outer water blocking layer that is positioned at outside moisture vapor transmission layer are constituted, moisture vapor transmission layer has water blocking layer and the moisture vapor transmission hole of outer water blocking layer in multiple connection.
In embodiment 5 of the present invention and embodiment 6, there is the optical cable of special-shaped packing gasket, be made up of at least signal transmission through fiber unit, at least packing elements, many special-shaped packing gaskets, protective layer, oversheaths；Signal transmission through fiber unit by optical fibers, envelope fibre-optic protection pipe and constitute；All signal transmission through fiber unit, all packing elements are distributed around a special-shaped packing gasket, other many special-shaped packing gaskets lay respectively in the gap of adjacent signal transmission through fiber unit and protective layer formation, and/or every special-shaped packing gasket is all located in the gap of adjacent packing elements and protective layer formation, and/or every special-shaped packing gasket is all located at adjacent signal transmission through fiber unit, in the gap that packing elements and protective layer are formed, protective layer is by all signal transmission through fiber unit, all packing elements, all special-shaped packing gaskets envelope, oversheath extrusion molding is coated on outside protective layer；It is characterized in that the water blocking layer that described special-shaped packing gasket by stiffener, is positioned at outside stiffener, the moisture vapor transmission layer being coated on outside water blocking layer, the outer water blocking layer that is positioned at outside moisture vapor transmission layer are constituted, moisture vapor transmission layer has water blocking layer and the moisture vapor transmission hole of outer water blocking layer in multiple connection.
The present invention has the technique effects such as simple in construction, low cost, environmental protection, production lightweight, easy, block-water performance be more excellent.
Accompanying drawing explanation
Fig. 1 is the cross-sectional structure schematic diagram of the present invention the first embodiment.
Fig. 2 is that the special-shaped packing gasket that Fig. 1 uses intercepts the top view amplified after one section of solution is cut open.
Fig. 3 is the cross-sectional structure schematic diagram of the present invention the second embodiment.
Fig. 4 is the cross-sectional structure schematic diagram of the present invention the 3rd embodiment.
Fig. 5 is that the another kind of special-shaped packing gasket in the present invention intercepts the top view amplified after one section of solution is cut open.
Fig. 6 is the cross-sectional structure schematic diagram of the present invention the 4th embodiment.
Fig. 7 is the cross-sectional structure schematic diagram of the present invention the 5th embodiment.
Fig. 8 is the cross-sectional structure schematic diagram of the present invention the 6th embodiment.
Detailed description of the invention
Embodiment 1
Ask for an interview Fig. 1 Fig. 2, there is the optoelectrical cable of special-shaped packing gasket, be made up of two power transmission unit, two signal transmission through fiber unit, center reinforcement 92, four special-shaped packing gaskets, protective layer 9, oversheaths 91；Power transmission unit is made up of power transmission conductor 1, the insulating barrier 2 that enveloped by power transmission conductor；Signal transmission through fiber unit by optical fibers 7, envelope fibre-optic protection pipe 8 and constitute；Two power transmission unit, two signal transmission through fiber unit are symmetrical around center reinforcement; four special-shaped packing gaskets lay respectively in four gaps that adjacent power transmission unit, signal transmission through fiber unit and protective layer is formed; two power transmission unit, two signal transmission through fiber unit, center reinforcement, four special-shaped packing gaskets are enveloped by protective layer, and oversheath extrusion molding is coated on outside protective layer；It is characterized in that the water blocking layer 4 that described special-shaped packing gasket by stiffener 3, is positioned at outside stiffener, the moisture vapor transmission layer 5 being coated on outside water blocking layer, the outer water blocking layer 6 that is positioned at outside moisture vapor transmission layer are constituted, moisture vapor transmission layer has water blocking layer and the moisture vapor transmission hole 51 of outer water blocking layer in multiple connection.
The optoelectrical cable with special-shaped packing gasket described above, it is characterised in that it makes by the following method and obtains:
The first step: make the step of the first signal transmission through fiber unit: the color masterbatch of modified polypropene or polybutylene terephthalate (PBT) and the first color is put into optical fiber secondary cocoon production equipment and melts; speed with 50～400m/min is extruded and continuous coo1ing traction forms protection pipe; wherein, the weight of the color masterbatch of the first color is 0.01～0.03 times of modified polypropene or polybutylene terephthalate (PBT) weight；By many G.652 type or G.653 types or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type optical fibers are inserted in protection pipe; fibre-optic releasing tension force is 3～5N; when 25 ± 5 DEG C, fibre-optic length is 1.003～1.020 times of protection length of tube, and every optical fibers in protection pipe is in sinusoidal or cosine distribution；Complete the making of the first signal transmission through fiber unit；
Second step: make the step of the second signal transmission through fiber unit: the color masterbatch of modified polypropene or polybutylene terephthalate (PBT) and the second color is put into optical fiber secondary cocoon production equipment and melts; speed with 50～400m/min is extruded and continuous coo1ing traction forms protection pipe; wherein, the weight of the color masterbatch of the first color is 0.01～0.03 times of modified polypropene or polybutylene terephthalate (PBT) weight；By many G.652 type or G.653 types or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type optical fibers are inserted in protection pipe; fibre-optic releasing tension force is 3～5N; when 25 ± 5 DEG C, fibre-optic length is 1.003～1.020 times of protection length of tube, and every optical fibers in protection pipe is in sinusoidal or cosine distribution；The color masterbatch of the second color has different colors from the color masterbatch of the first color；Complete the making of the second signal transmission through fiber unit；
3rd step: make the step of the first power transmission unit: be coated on outside power transmission conductor by insulating layer material extrusion molding and form the first power transmission unit, wherein, insulating layer material is made up of Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polrvinyl chloride or low smoke and zero halogen polyethylene and the first insulation color masterbatch, the weight of the first insulation color masterbatch is Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polrvinyl chloride or 0.01～0.03 times of low smoke and zero halogen polyethylene weight, and the material of described power transmission conductor is copper or aluminum or alloy；First insulation color masterbatch is different from the color of the color masterbatch of the first color and the color masterbatch of the second color；
4th step: make the step of the second power transmission unit: be coated on outside power transmission conductor by insulating layer material extrusion molding and form the first power transmission unit, wherein, insulating layer material is made up of Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polrvinyl chloride or low smoke and zero halogen polyethylene and the second insulation color masterbatch, the weight of the second insulation color masterbatch is Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polrvinyl chloride or 0.01～0.03 times of low smoke and zero halogen polyethylene weight, and the material of described power transmission conductor is copper or aluminum or alloy；Second insulation color masterbatch is different from the color of the color masterbatch of the first insulation color masterbatch, the color masterbatch of the first color and the second color；
null5th step: make the step of cable core: take center reinforcement、Four special-shaped packing gaskets、Cable core wrapping element and the first signal transmission through fiber unit、Second signal transmission through fiber unit、First power transmission unit、Second power transmission unit，SZ stranding machine carried out stranded or be placed in parallel，And make: center reinforcement is centrally located，First signal transmission through fiber unit、Second signal transmission through fiber unit、First power transmission unit、Second power transmission unit is positioned at outside the reinforcement of center，And see the first signal transmission through fiber unit along the outlet direction of cable-former、First power transmission unit、Second signal transmission through fiber unit、Second power transmission unit is arranged clockwise，Four special-shaped packing gaskets are positioned in the external series gap of adjacent signal transmission through fiber unit and power transmission unit formation，Cable core wraps up element in the way of the gap one-way spiral of 20～40mm by the first signal transmission through fiber unit、Second signal transmission through fiber unit、First power transmission unit、Second power transmission unit and four special-shaped packing gaskets envelope；
6th step: make the step of protective layer: fetching protection layer material and be longitudinally coated on outside the cable core that the 5th step is formed, protective layer connects edge and has the lap width of 2～4mm；
7th step: make the step of oversheath: take jacket material extrusion molding and be coated on outside the protective layer that the 6th step is formed, form outer jacket, complete the making of the optoelectrical cable with special-shaped packing gasket.
Certainly, further improve, repeatedly first can arrive second step, form multifiber signal transmission unit, only need to ensure to protect pipe to have different colors；3rd to the 4th step repeatedly, forms many power transmission unit, only need to ensure that insulating barrier has different colors；5th step make the step of cable core takes many special-shaped packing gaskets be placed in adjacent signal transmission through fiber unit with in the external series gap that power transmission unit is formed or in the external series gap of adjacent signal transmission through fiber unit formation or in the external series gap of adjacent power transmission unit formation；All signal transmission through fiber unit, power transmission unit, special-shaped packing gasket are enveloped by cable core wrapping element；When special-shaped packing gasket is placed in the external series gap of adjacent signal transmission through fiber unit and power transmission unit formation, adjacent signal transmission through fiber unit is spaced apart with power transmission unit；Special-shaped packing gasket is placed in the external series gap that adjacent signal transmission through fiber unit is formed, and has part fiber signal transmission unit placed adjacent；Special-shaped packing gasket is placed in the external series gap that adjacent power transmission unit is formed, and has part power transmission unit placed adjacent.
This embodiment can also improve further, has the optoelectrical cable of special-shaped packing gasket, is made up of at least two power transmission unit, at least signal transmission through fiber unit, center reinforcement 92, many special-shaped packing gaskets, protective layer 9, oversheaths 91；Power transmission unit is made up of power transmission conductor 1, the insulating barrier 2 that enveloped by power transmission conductor；Signal transmission through fiber unit by optical fibers 7, envelope fibre-optic protection pipe 8 and constitute；All power transmission unit, all signal transmission through fiber unit are distributed around center reinforcement, every special-shaped packing gasket is all located at adjacent power transmission unit, in the gap that signal transmission through fiber unit and protective layer are formed, or every special-shaped packing gasket is all located in the gap of adjacent power transmission unit and protective layer formation, or every special-shaped packing gasket is all located in the gap of adjacent signal transmission through fiber unit and protective layer formation, protective layer is by all power transmission unit, all signal transmission through fiber unit, center reinforcement, all special-shaped packing gaskets envelope, oversheath extrusion molding is coated on outside protective layer；It is characterized in that the water blocking layer 4 that described special-shaped packing gasket by stiffener 3, is positioned at outside stiffener, the moisture vapor transmission layer 5 being coated on outside water blocking layer, the outer water blocking layer 6 that is positioned at outside moisture vapor transmission layer are constituted, moisture vapor transmission layer has water blocking layer and the moisture vapor transmission hole 51 of outer water blocking layer in multiple connection.
The optoelectrical cable with special-shaped packing gasket described above, it is characterised in that it makes by the following method and obtains:
The first step: make the step of signal transmission through fiber unit: the color masterbatch of modified polypropene or polybutylene terephthalate (PBT) and the first color is put into optical fiber secondary cocoon production equipment and melts; speed with 50～400m/min is extruded and continuous coo1ing traction forms protection pipe; wherein, the weight of the color masterbatch of the first color is 0.01～0.03 times of modified polypropene or polybutylene terephthalate (PBT) weight；By many G.652 type or G.653 types or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type optical fibers are inserted in protection pipe; fibre-optic releasing tension force is 3～5N; when 25 ± 5 DEG C, fibre-optic length is 1.003～1.020 times of protection length of tube, and every optical fibers in protection pipe is in sinusoidal or cosine distribution；Complete the making of signal transmission through fiber unit；When needing multifiber signal transmission unit, above-mentioned steps forms multifiber signal transmission unit repeatedly, and wherein the color of the color masterbatch of the first color is different；
Second step: make the step of the first power transmission unit: be coated on outside power transmission conductor by insulating layer material extrusion molding and form the first power transmission unit, wherein, insulating layer material is made up of Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polrvinyl chloride or low smoke and zero halogen polyethylene and the first insulation color masterbatch, the weight of the first insulation color masterbatch is Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polrvinyl chloride or 0.01～0.03 times of low smoke and zero halogen polyethylene weight, and the material of described power transmission conductor is copper or aluminum or alloy；First insulation color masterbatch is different from the color of the color masterbatch of the first color；
3rd step: make the step of the second power transmission unit: be coated on outside power transmission conductor by insulating layer material extrusion molding and form the first power transmission unit, wherein, insulating layer material is made up of Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polrvinyl chloride or low smoke and zero halogen polyethylene and the second insulation color masterbatch, the weight of the second insulation color masterbatch is Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polrvinyl chloride or 0.01～0.03 times of low smoke and zero halogen polyethylene weight, and the material of described power transmission conductor is copper or aluminum or alloy；Second insulation color masterbatch is different from the color of the first insulation color masterbatch, the color masterbatch of the first color；
null4th step: make the step of cable core: take center reinforcement、Many special-shaped packing gaskets、The signal transmission through fiber unit that cable core wrapping element and the first step make、The first power transmission unit that second step makes、The second power transmission unit that 3rd step makes，SZ stranding machine carried out stranded or be placed in parallel，And make: center reinforcement is centrally located，Signal transmission through fiber unit、First power transmission unit、Second power transmission unit is positioned at outside the reinforcement of center，Many special-shaped packing gaskets be positioned at adjacent signal transmission through fiber unit with in the external series gap that power transmission unit is formed or in the external series gap that formed of adjacent signal transmission through fiber unit or in the external series gap that formed of adjacent power transmission unit，Cable core wraps up element in the way of the gap one-way spiral of 20～40mm by signal transmission through fiber unit、First power transmission unit、Second power transmission unit and many special-shaped packing gaskets envelope；
5th step: make the step of protective layer: fetching protection layer material and be longitudinally coated on outside the cable core that the 4th step is formed, protective layer connects edge and has the lap width of 2～4mm；
6th step: make the step of oversheath: take jacket material extrusion molding and be coated on outside the protective layer that the 5th step is formed, form outer jacket, complete the making of the optoelectrical cable with special-shaped packing gasket.
Embodiment 2
Ask for an interview Fig. 3 and Fig. 2；There is the optoelectrical cable of special-shaped packing gasket, be made up of two power transmission unit, two signal transmission through fiber unit, five special-shaped packing gaskets, protective layer 9, oversheaths 91；Power transmission unit is made up of power transmission conductor 1, the insulating barrier 2 that enveloped by power transmission conductor；Signal transmission through fiber unit by optical fibers 7, envelope fibre-optic protection pipe 8 and constitute；Two power transmission unit, two signal transmission through fiber unit are distributed around a special-shaped packing gasket; other four special-shaped packing gaskets lay respectively in four gaps that adjacent power transmission unit, signal transmission through fiber unit and protective layer is formed; two power transmission unit, two signal transmission through fiber unit, five special-shaped packing gaskets are enveloped by protective layer, and oversheath extrusion molding is coated on outside protective layer；It is characterized in that the water blocking layer 4 that described special-shaped packing gasket by stiffener 3, is positioned at outside stiffener, the moisture vapor transmission layer 5 being coated on outside water blocking layer, the outer water blocking layer 6 that is positioned at outside moisture vapor transmission layer are constituted, moisture vapor transmission layer has water blocking layer and the moisture vapor transmission hole 51 of outer water blocking layer in multiple connection.
Embodiment 3
Ask for an interview Fig. 4, and referring to figs. 1 to Fig. 3；There is the optoelectrical cable of special-shaped packing gasket, be made up of two power transmission unit, two signal transmission through fiber unit, five special-shaped packing gaskets, protective layer 9, oversheaths 91；Power transmission unit is made up of power transmission conductor 1, the insulating barrier 2 that enveloped by power transmission conductor；Signal transmission through fiber unit by optical fibers 7, envelope fibre-optic protection pipe 8 and constitute；Two power transmission unit, two signal transmission through fiber unit are symmetrical around a special-shaped packing gasket; other four special-shaped packing gaskets lay respectively in four gaps that adjacent power transmission unit, signal transmission through fiber unit and protective layer is formed; two power transmission unit, two signal transmission through fiber unit, five special-shaped packing gaskets are enveloped by protective layer, and oversheath extrusion molding is coated on outside protective layer；It is characterized in that the water blocking layer 4 that described special-shaped packing gasket by stiffener 3, is positioned at outside stiffener, the moisture vapor transmission layer 5 being coated on outside water blocking layer, the outer water blocking layer 6 that is positioned at outside moisture vapor transmission layer are constituted, moisture vapor transmission layer has water blocking layer and the moisture vapor transmission hole 51 of outer water blocking layer in multiple connection.
Any of the above-described embodiment 2 or embodiment 3 can also improve further; the i.e. described optoelectrical cable with special-shaped packing gasket, is made up of at least two power transmission unit, at least signal transmission through fiber unit, many special-shaped packing gaskets, protective layer 9, oversheaths 91；Power transmission unit is made up of power transmission conductor 1, the insulating barrier 2 that enveloped by power transmission conductor；Signal transmission through fiber unit by optical fibers 7, envelope fibre-optic protection pipe 8 and constitute；All power transmission unit, all signal transmission through fiber unit are distributed around a special-shaped packing gasket, other many special-shaped packing gaskets lay respectively at adjacent power transmission unit, in the gap that signal transmission through fiber unit and protective layer are formed, or every special-shaped packing gasket is all located in the gap of adjacent power transmission unit and protective layer formation, or every special-shaped packing gasket is all located in the gap of adjacent signal transmission through fiber unit and protective layer formation, protective layer is by all power transmission unit, all signal transmission through fiber unit, all special-shaped packing gaskets envelope, oversheath extrusion molding is coated on outside protective layer；It is characterized in that the water blocking layer 4 that described special-shaped packing gasket by stiffener 3, is positioned at outside stiffener, the moisture vapor transmission layer 5 being coated on outside water blocking layer, the outer water blocking layer 6 that is positioned at outside moisture vapor transmission layer are constituted, moisture vapor transmission layer has water blocking layer and the moisture vapor transmission hole 51 of outer water blocking layer in multiple connection.
The optoelectrical cable with special-shaped packing gasket described above, it is characterised in that it makes by the following method and obtains:
The first step: make the step of signal transmission through fiber unit: the color masterbatch of modified polypropene or polybutylene terephthalate (PBT) and the first color is put into optical fiber secondary cocoon production equipment and melts; speed with 50～400m/min is extruded and continuous coo1ing traction forms protection pipe; wherein, the weight of the color masterbatch of the first color is 0.01～0.03 times of modified polypropene or polybutylene terephthalate (PBT) weight；By many G.652 type or G.653 types or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type optical fibers are inserted in protection pipe; fibre-optic releasing tension force is 3～5N; when 25 ± 5 DEG C, fibre-optic length is 1.003～1.020 times of protection length of tube, and every optical fibers in protection pipe is in sinusoidal or cosine distribution；Complete the making of signal transmission through fiber unit；When needing multifiber signal transmission unit, above-mentioned steps forms multifiber signal transmission unit repeatedly, and wherein the color of the color masterbatch of the first color is different；
Second step: make the step of the first power transmission unit: be coated on outside power transmission conductor by insulating layer material extrusion molding and form the first power transmission unit, wherein, insulating layer material is made up of Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polrvinyl chloride or low smoke and zero halogen polyethylene and the first insulation color masterbatch, the weight of the first insulation color masterbatch is Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polrvinyl chloride or 0.01～0.03 times of low smoke and zero halogen polyethylene weight, and the material of described power transmission conductor is copper or aluminum or alloy；First insulation color masterbatch is different from the color of the color masterbatch of the first color；
3rd step: make the step of the second power transmission unit: be coated on outside power transmission conductor by insulating layer material extrusion molding and form the first power transmission unit, wherein, insulating layer material is made up of Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polrvinyl chloride or low smoke and zero halogen polyethylene and the second insulation color masterbatch, the weight of the second insulation color masterbatch is Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polrvinyl chloride or 0.01～0.03 times of low smoke and zero halogen polyethylene weight, and the material of described power transmission conductor is copper or aluminum or alloy；Second insulation color masterbatch is different from the color of the first insulation color masterbatch, the color masterbatch of the first color；
null4th step: make the step of cable core: take many special-shaped packing gaskets、The signal transmission through fiber unit that cable core wrapping element and the first step make、The first power transmission unit that second step makes、The second power transmission unit that 3rd step makes，SZ stranding machine carried out stranded or be placed in parallel，And make: a special-shaped packing gasket is centrally located，Signal transmission through fiber unit、First power transmission unit、Outside the special-shaped packing gasket that second power transmission unit is centrally located，The most special-shaped packing gaskets be positioned at adjacent signal transmission through fiber unit with in the external series gap that power transmission unit is formed or in the external series gap that formed of adjacent signal transmission through fiber unit or in the external series gap that formed of adjacent power transmission unit，Cable core wraps up element in the way of the gap one-way spiral of 20～40mm by signal transmission through fiber unit、First power transmission unit、Second power transmission unit and many special-shaped packing gaskets envelope；Wherein, an only special-shaped packing gasket in the external series gap that adjacent power transmission unit, signal transmission through fiber unit are formed；An only special-shaped packing gasket in the external series gap that adjacent power transmission unit is formed；An only special-shaped packing gasket in the external series gap that adjacent signal transmission through fiber unit is formed；
5th step: make the step of protective layer: fetching protection layer material and be longitudinally coated on outside the cable core that the 4th step is formed, protective layer connects edge and has the lap width of 2～4mm；
6th step: make the step of oversheath: take jacket material extrusion molding and be coated on outside the protective layer that the 5th step is formed, form outer jacket, complete the making of the optoelectrical cable with special-shaped packing gasket.
In any of the above-described embodiment, an only special-shaped packing gasket in the gap that adjacent power transmission unit, signal transmission through fiber unit and protective layer is formed；An only special-shaped packing gasket in the gap that adjacent power transmission unit and protective layer are formed；An only special-shaped packing gasket in the gap that adjacent signal transmission through fiber unit and protective layer are formed.
The optoelectrical cable with special-shaped packing gasket described in any of the above-described embodiment, it is characterised in that the material of described power transmission conductor is copper or aluminum or alloy.
The optoelectrical cable with special-shaped packing gasket described in any of the above-described embodiment, it is characterised in that the material of described insulating barrier is Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polrvinyl chloride or low smoke and zero halogen polyethylene.
The optoelectrical cable with special-shaped packing gasket described in any of the above-described embodiment, it is characterised in that the material of described stiffener is steel wire or fiberglass reinforced plastics or aramid yarn or glass fiber yarn.
The optoelectrical cable with special-shaped packing gasket described in any of the above-described embodiment, the material that it is characterized in that described interior water blocking layer is water blocking yarn, is that wind around on stiffener or described interior water blocking layer comprises following raw material by weight: polyacrylamide: 50～80 parts, polyvinyl alcohol: 10～30 parts, commercially available plastics antioxidant 1010 or 1076:0.6～1.2 parts.
The optoelectrical cable with special-shaped packing gasket described in any of the above-described embodiment, it is characterised in that the material of described moisture vapor transmission layer is polyester belt.
The optoelectrical cable with special-shaped packing gasket described in any of the above-described embodiment, it is characterised in that the material of described outer water blocking layer is water-proofing powder, and water-proofing powder is bonded on moisture vapor transmission layer.
The optoelectrical cable with special-shaped packing gasket described in any of the above-described embodiment, it is characterised in that described optical fibers is G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type.
The optoelectrical cable with special-shaped packing gasket described in any of the above-described embodiment, it is characterised in that the material of described protection pipe is modified polypropene or polybutylene terephthalate (PBT) or steel or aluminum or copper.
The optoelectrical cable with special-shaped packing gasket described in any of the above-described embodiment, it is characterised in that the material of described protective layer is polyester belt or waterstop or aluminium-plastic tape or composite steel-plastic belt or glass fiber tape.
The optoelectrical cable with special-shaped packing gasket described in any of the above-described embodiment, it is characterised in that the material of described oversheath is Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polrvinyl chloride or low smoke and zero halogen polyethylene.
The optoelectrical cable with special-shaped packing gasket described in any of the above-described embodiment, it is characterised in that the material of described center reinforcement is steel wire or steel wire strand rope or fiberglass-reinforced plastic lever.
Further, the optoelectrical cable with special-shaped packing gasket described above, it is characterised in that reinforcement outer extrusion molding in described center is coated with plastics.
The optoelectrical cable with special-shaped packing gasket described in any of the above-described embodiment, the special-shaped packing gasket shown in Fig. 5 can also be used, the water blocking layer 4 that this special-shaped packing gasket by stiffener 3, is positioned at outside stiffener, the moisture vapor transmission layer 5 being coated on outside water blocking layer, the outer water blocking layer 6 that is positioned at outside moisture vapor transmission layer are constituted, and moisture vapor transmission layer has water blocking layer and the moisture vapor transmission hole 51 of outer water blocking layer in multiple connection；The material of outer water blocking layer is one side film waterstop, waterstop is have multiple hole, and overlay film face is pasted onto on moisture vapor transmission layer.
The optoelectrical cable with special-shaped packing gasket described in embodiment 1 to 3; owing to have employed special-shaped packing gasket; this special-shaped packing gasket has ectonexine and blocks water hydrating structure, has reached superpower blocking water and water absorbing properties, has more effectively protected fibre-optic optical transmission performance, environment strain property；Simultaneously, owing to special-shaped packing gasket is dry construction, therefore half dry type (factice for filling in protection pipe) or Full-dry type photoelectric composite cable can be produced into, the outer water blocking layer of special-shaped packing gasket can stop moisture to enter central special-shaped packing gasket or center reinforcement effectively, the total cross-section reaching optoelectronic composite cable blocks water, simultaneously, owing to it has interior water blocking layer, therefore when there is big flow water and entering optoelectronic composite cable, moisture can enter interior water blocking layer, moisture vapor transmission layer can use unidirectional material, i.e. water can only inwardly block water laminar flow from outer water blocking layer and outwards can not block water laminar flow from interior water blocking layer, in this case, when there being moisture to enter, the interior water blocking layer water suction of special-shaped packing gasket, power transmission unit is made to be cooled down when working, optical cable service life can be extended；Additionally, due to special-shaped packing gasket has stiffener, certain tension force can be born therefore the folding and unfolding in production equipment can be efficiently used for.
Embodiment 4
Ask for an interview Fig. 6, and with reference to Fig. 2；There is the optical cable of special-shaped packing gasket, be made up of four signal transmission through fiber unit, center reinforcement 92, four special-shaped packing gaskets, protective layer 9, oversheaths 91；Signal transmission through fiber unit by optical fibers 7, envelope fibre-optic protection pipe 8 and constitute；Four signal transmission through fiber unit are distributed around center reinforcement; four special-shaped packing gaskets lay respectively in four gaps of adjacent signal transmission through fiber unit and protective layer formation; four signal transmission through fiber unit, center reinforcement, four special-shaped packing gaskets are enveloped by protective layer, and oversheath extrusion molding is coated on outside protective layer；It is characterized in that the water blocking layer 4 that described special-shaped packing gasket by stiffener 3, is positioned at outside stiffener, the moisture vapor transmission layer 5 being coated on outside water blocking layer, the outer water blocking layer 6 that is positioned at outside moisture vapor transmission layer are constituted, moisture vapor transmission layer has water blocking layer and the moisture vapor transmission hole 51 of outer water blocking layer in multiple connection.
Certainly; signal transmission through fiber unit in this embodiment can be other many, correspondingly; special-shaped packing gasket can be other many; multifiber signal transmission unit is distributed around center reinforcement; many special-shaped packing gaskets lay respectively in the gap of adjacent signal transmission through fiber unit and protective layer formation; all signal transmission through fiber unit, center reinforcement, all special-shaped packing gaskets are enveloped by protective layer, and oversheath extrusion molding is coated on outside protective layer.
The optical cable with special-shaped packing gasket described above, it is characterised in that it makes by the following method and obtains:
The first step: make the step of signal transmission through fiber unit: the color masterbatch of modified polypropene or polybutylene terephthalate (PBT) and the first color is put into optical fiber secondary cocoon production equipment and melts; speed with 50～400m/min is extruded and continuous coo1ing traction forms protection pipe; wherein, the weight of the color masterbatch of the first color is 0.01～0.03 times of modified polypropene or polybutylene terephthalate (PBT) weight；By many G.652 type or G.653 types or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type optical fibers are inserted in protection pipe; fibre-optic releasing tension force is 3～5N; when 25 ± 5 DEG C, fibre-optic length is 1.003～1.020 times of protection length of tube, and every optical fibers in protection pipe is in sinusoidal or cosine distribution；Complete the making of signal transmission through fiber unit；When needing multifiber signal transmission unit, above-mentioned steps forms multifiber signal transmission unit repeatedly, and wherein the color of the color masterbatch of the first color is different；
Second step: make the step of cable core: take the signal transmission through fiber unit that many special-shaped packing gaskets, center reinforcement, cable core wrapping element and the first step make, SZ stranding machine carried out stranded or be placed in parallel, and make: center reinforcement is centrally located, signal transmission through fiber unit is positioned at outside the reinforcement of center, many special-shaped packing gaskets are positioned in the external series gap that adjacent signal transmission through fiber unit is formed, and signal transmission through fiber unit and many special-shaped packing gaskets are enveloped in the way of the gap one-way spiral of 20～40mm by cable core wrapping element；Wherein, an only special-shaped packing gasket in the external series gap that adjacent signal transmission through fiber unit is formed；
3rd step: make the step of protective layer: fetching protection layer material and be longitudinally coated on outside the cable core that second step is formed, protective layer connects edge and has the lap width of 2～4mm；
4th step: make the step of oversheath: take jacket material extrusion molding and be coated on outside the protective layer that the 3rd step is formed, form outer jacket, complete the making of the optical cable with special-shaped packing gasket.
Embodiment 5
Ask for an interview Fig. 7, and with reference to Fig. 2；There is the optical cable of special-shaped packing gasket, be made up of three signal transmission through fiber unit, packing elements 93, center reinforcement 92, four special-shaped packing gaskets, protective layer 9, oversheaths 91；Signal transmission through fiber unit by optical fibers 7, envelope fibre-optic protection pipe 8 and constitute；Three signal transmission through fiber unit, packing elements are distributed around center reinforcement; in the gap that four special-shaped packing gaskets lay respectively at adjacent signal transmission through fiber unit and protective layer is formed and in the gap that formed of adjacent signal transmission through fiber unit, packing elements and protective layer; three signal transmission through fiber unit, packing elements, center reinforcement, four special-shaped packing gaskets are enveloped by protective layer, and oversheath extrusion molding is coated on outside protective layer；It is characterized in that the water blocking layer 4 that described special-shaped packing gasket by stiffener 3, is positioned at outside stiffener, the moisture vapor transmission layer 5 being coated on outside water blocking layer, the outer water blocking layer 6 that is positioned at outside moisture vapor transmission layer are constituted, moisture vapor transmission layer has water blocking layer and the moisture vapor transmission hole 51 of outer water blocking layer in multiple connection.
Embodiment 4 and embodiment 5 can also improve further, i.e. have the optical cable of special-shaped packing gasket, are made up of at least signal transmission through fiber unit, at least packing elements 93, center reinforcement 92, many special-shaped packing gaskets, protective layer 9, oversheaths 91；Signal transmission through fiber unit by optical fibers 7, envelope fibre-optic protection pipe 8 and constitute；All signal transmission through fiber unit, all packing elements are distributed around center reinforcement; in the gap that special-shaped packing gasket lays respectively in the gap that adjacent signal transmission through fiber unit and protective layer are formed and/or adjacent signal transmission through fiber unit, packing elements and protective layer are formed and or the gap that formed of adjacent packing elements and protective layer in; all signal transmission through fiber unit, all packing elements, center reinforcement, all special-shaped packing gaskets are enveloped by protective layer, and oversheath extrusion molding is coated on outside protective layer；It is characterized in that the water blocking layer 4 that described special-shaped packing gasket by stiffener 3, is positioned at outside stiffener, the moisture vapor transmission layer 5 being coated on outside water blocking layer, the outer water blocking layer 6 that is positioned at outside moisture vapor transmission layer are constituted, moisture vapor transmission layer has water blocking layer and the moisture vapor transmission hole 51 of outer water blocking layer in multiple connection.
The optical cable with special-shaped packing gasket described above, it is characterised in that it makes by the following method and obtains:
The first step: make the step of signal transmission through fiber unit: the color masterbatch of modified polypropene or polybutylene terephthalate (PBT) and the first color is put into optical fiber secondary cocoon production equipment and melts; speed with 50～400m/min is extruded and continuous coo1ing traction forms protection pipe; wherein, the weight of the color masterbatch of the first color is 0.01～0.03 times of modified polypropene or polybutylene terephthalate (PBT) weight；By many G.652 type or G.653 types or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type optical fibers are inserted in protection pipe; fibre-optic releasing tension force is 3～5N; when 25 ± 5 DEG C, fibre-optic length is 1.003～1.020 times of protection length of tube, and every optical fibers in protection pipe is in sinusoidal or cosine distribution；Complete the making of signal transmission through fiber unit；When needing multifiber signal transmission unit, above-mentioned steps forms multifiber signal transmission unit repeatedly, and wherein the color of the color masterbatch of the first color is different；
Second step: make the step of cable core: take many special-shaped packing gaskets, center reinforcement, at least packing elements, the signal transmission through fiber unit that cable core wrapping element and the first step make, SZ stranding machine carried out stranded or be placed in parallel, and make: center reinforcement is centrally located, signal transmission through fiber unit and packing elements are positioned at outside the reinforcement of center, many special-shaped packing gaskets are positioned in the external series gap that adjacent signal transmission through fiber unit is formed or in the external series gap of adjacent packing elements formation or in the external series gap of adjacent signal transmission through fiber unit and packing elements formation, signal transmission through fiber unit and many special-shaped packing gaskets are enveloped in the way of the gap one-way spiral of 20～40mm by cable core wrapping element；Wherein, an only special-shaped packing gasket in the external series gap that adjacent signal transmission through fiber unit is formed, an only special-shaped packing gasket in the external series gap that adjacent packing elements is formed, an only special-shaped packing gasket in the external series gap that adjacent signal transmission through fiber unit and packing elements are formed；
3rd step: make the step of protective layer: fetching protection layer material and be longitudinally coated on outside the cable core that second step is formed, protective layer connects edge and has the lap width of 2～4mm；
4th step: make the step of oversheath: take jacket material extrusion molding and be coated on outside the protective layer that the 3rd step is formed, form outer jacket, complete the making of the optical cable with special-shaped packing gasket.
Embodiment 6
Ask for an interview Fig. 8, and with reference to figs. 2 and 7；There is the optical cable of special-shaped packing gasket, be made up of four signal transmission through fiber unit, five special-shaped packing gaskets, protective layer 9, oversheaths 91；Signal transmission through fiber unit by optical fibers 7, envelope fibre-optic protection pipe 8 and constitute；Four signal transmission through fiber unit are symmetrical around a special-shaped packing gasket; other four special-shaped packing gaskets lay respectively in four gaps of adjacent signal transmission through fiber unit and protective layer formation; four signal transmission through fiber unit, five special-shaped packing gaskets are enveloped by protective layer, and oversheath extrusion molding is coated on outside protective layer；It is characterized in that the water blocking layer 4 that described special-shaped packing gasket by stiffener 3, is positioned at outside stiffener, the moisture vapor transmission layer 5 being coated on outside water blocking layer, the outer water blocking layer 6 that is positioned at outside moisture vapor transmission layer are constituted, moisture vapor transmission layer has water blocking layer and the moisture vapor transmission hole 51 of outer water blocking layer in multiple connection.
Certainly, as improving further, the optical cable with special-shaped packing gasket described in embodiment 6, also can be made up of at least signal transmission through fiber unit, at least packing elements, many special-shaped packing gaskets, protective layer 9, oversheaths 91；Signal transmission through fiber unit by optical fibers 7, envelope fibre-optic protection pipe 8 and constitute；All signal transmission through fiber unit, all packing elements are distributed around a special-shaped packing gasket, other many special-shaped packing gaskets lay respectively in the gap of adjacent signal transmission through fiber unit and protective layer formation, and/or every special-shaped packing gasket is all located in the gap of adjacent packing elements and protective layer formation, and/or every special-shaped packing gasket is all located at adjacent signal transmission through fiber unit, in the gap that packing elements and protective layer are formed, protective layer is by all signal transmission through fiber unit, all packing elements, all special-shaped packing gaskets envelope, oversheath extrusion molding is coated on outside protective layer；It is characterized in that the water blocking layer 4 that described special-shaped packing gasket by stiffener 3, is positioned at outside stiffener, the moisture vapor transmission layer 5 being coated on outside water blocking layer, the outer water blocking layer 6 that is positioned at outside moisture vapor transmission layer are constituted, moisture vapor transmission layer has water blocking layer and the moisture vapor transmission hole 51 of outer water blocking layer in multiple connection.
The optical cable with special-shaped packing gasket described above, it is characterised in that it makes by the following method and obtains:
The first step: make the step of signal transmission through fiber unit: the color masterbatch of modified polypropene or polybutylene terephthalate (PBT) and the first color is put into optical fiber secondary cocoon production equipment and melts; speed with 50～400m/min is extruded and continuous coo1ing traction forms protection pipe; wherein, the weight of the color masterbatch of the first color is 0.01～0.03 times of modified polypropene or polybutylene terephthalate (PBT) weight；By many G.652 type or G.653 types or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type optical fibers are inserted in protection pipe; fibre-optic releasing tension force is 3～5N; when 25 ± 5 DEG C, fibre-optic length is 1.003～1.020 times of protection length of tube, and every optical fibers in protection pipe is in sinusoidal or cosine distribution；Complete the making of signal transmission through fiber unit；When needing multifiber signal transmission unit, above-mentioned steps forms multifiber signal transmission unit repeatedly, and wherein the color of the color masterbatch of the first color is different；
Second step: make the step of cable core: take many special-shaped packing gaskets, at least packing elements, the signal transmission through fiber unit that cable core wrapping element and the first step make, SZ stranding machine carried out stranded or be placed in parallel, and make: wherein a special-shaped packing gasket is centrally located, signal transmission through fiber unit and packing elements are positioned at outside the reinforcement of center, in the external series gap that other many special-shaped packing gaskets are positioned in the external series gap that adjacent signal transmission through fiber unit is formed or adjacent packing elements is formed or in the external series gap of adjacent signal transmission through fiber unit and packing elements formation, signal transmission through fiber unit and many special-shaped packing gaskets are enveloped in the way of the gap one-way spiral of 20～40mm by cable core wrapping element；Wherein, an only special-shaped packing gasket in the external series gap that adjacent signal transmission through fiber unit is formed, an only special-shaped packing gasket in the external series gap that adjacent packing elements is formed, an only special-shaped packing gasket in the external series gap that adjacent signal transmission through fiber unit and packing elements are formed；
3rd step: make the step of protective layer: fetching protection layer material and be longitudinally coated on outside the cable core that second step is formed, protective layer connects edge and has the lap width of 2～4mm；
4th step: make the step of oversheath: take jacket material extrusion molding and be coated on outside the protective layer that the 3rd step is formed, form outer jacket, complete the making of the optical cable with special-shaped packing gasket.
An only special-shaped packing gasket in the gap that the optical cable with special-shaped packing gasket described above, adjacent signal transmission through fiber unit and protective layer are formed；An only special-shaped packing gasket in the gap that adjacent packing elements and protective layer are formed；An only special-shaped packing gasket in the gap that adjacent signal transmission through fiber unit, packing elements and protective layer is formed.
Certainly, the optical cable with special-shaped packing gasket described in above-mentioned embodiment 4 to embodiment 5, special-shaped packing gasket therein can also use the last structure described in the structure of Fig. 5, i.e. embodiment 3.
The optical cable with special-shaped packing gasket described in arbitrary embodiment in above-mentioned embodiment 4 to embodiment 6, it is characterised in that the material of described stiffener is steel wire or fiberglass reinforced plastics or aramid yarn or glass fiber yarn.
The optical cable with special-shaped packing gasket described in arbitrary embodiment in above-mentioned embodiment 4 to embodiment 6, it is characterised in that the material of described interior water blocking layer is water blocking yarn, winds around on stiffener.
The optical cable with special-shaped packing gasket described in arbitrary embodiment in above-mentioned embodiment 4 to embodiment 6, it is characterised in that the material of described moisture vapor transmission layer is polyester belt.
The optical cable with special-shaped packing gasket described in arbitrary embodiment in above-mentioned embodiment 4 to embodiment 6, it is characterised in that the material of described outer water blocking layer is water-proofing powder, and water-proofing powder is bonded on moisture vapor transmission layer.
The optical cable with special-shaped packing gasket described in arbitrary embodiment in above-mentioned embodiment 4 to embodiment 6, it is characterised in that described optical fibers is G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type.
The optical cable with special-shaped packing gasket described in arbitrary embodiment in above-mentioned embodiment 4 to embodiment 6, it is characterised in that the material of described protection pipe is modified polypropene or polybutylene terephthalate (PBT) or steel or aluminum or copper.
The optical cable with special-shaped packing gasket described in arbitrary embodiment in above-mentioned embodiment 4 to embodiment 6, it is characterised in that the material of described protective layer is polyester belt or waterstop or aluminium-plastic tape or composite steel-plastic belt or glass fiber tape.
The optical cable with special-shaped packing gasket described in arbitrary embodiment in above-mentioned embodiment 4 to embodiment 6, it is characterised in that the material of described oversheath is Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polrvinyl chloride or low smoke and zero halogen polyethylene.
The optical cable with special-shaped packing gasket described in arbitrary embodiment in above-mentioned embodiment 4 to embodiment 6, it is characterised in that the material of described center reinforcement is steel wire or steel wire strand rope or fiberglass-reinforced plastic lever.
Further, the optical cable with special-shaped packing gasket described above, it is characterised in that reinforcement outer extrusion molding in described center is coated with plastics.
The optical cable with special-shaped packing gasket described in embodiment 4 to 6; owing to have employed special-shaped packing gasket; this special-shaped packing gasket has ectonexine and blocks water hydrating structure, has reached superpower blocking water and water absorbing properties, has more effectively protected fibre-optic optical transmission performance, environment strain property；Simultaneously, owing to special-shaped packing gasket is dry construction, therefore half dry type (factice for filling in protection pipe) or Full-dry optical cable can be produced into, the outer water blocking layer of special-shaped packing gasket can stop moisture to enter central special-shaped packing gasket or center reinforcement effectively, the total cross-section reaching optical cable blocks water, simultaneously, owing to it has interior water blocking layer, therefore when there is big flow water and entering optical cable, moisture can enter interior water blocking layer, moisture vapor transmission layer can use unidirectional material, i.e. water can only inwardly block water laminar flow from outer water blocking layer and outwards can not block water laminar flow from interior water blocking layer, in this case, when there being moisture to enter, the interior water blocking layer water suction of special-shaped packing gasket, reach the superpower performance blocked water, optical cable service life can be extended；Additionally, due to special-shaped packing gasket has stiffener, certain tension force can be born therefore the folding and unfolding in production equipment can be efficiently used for.
In the present invention, the interior water blocking layer of special-shaped packing gasket comprises following raw material by weight: polyacrylamide: 50～80 parts, polyvinyl alcohol: 10～30 parts, commercially available plastics antioxidant 1010 or 1076:0.6～1.2 parts；Outer water blocking layer is water-proofing powder, and the thickness of the bisque that blocks water is 0.08～0.20mm, and the thickness of moisture vapor transmission layer is 0.03～0.10mm；Applicant uses this special-shaped packing gasket and prior art respectively to produce optoelectrical cable 200 dish of a length of 1 kilometer/dish of standard paragraphs, optical cable 350 dish of a length of 2 kilometers/dish of standard paragraphs, through the infiltration test that YD/T901-2009 requires, the cable in the present invention does not have water leakage；And use half dry type interstitital texture of the prior art, and the cable core gap of same model specification is placed 6 dtex2200 type water blocking yarns, optoelectrical cable occurs in that 22 dish infiltrations, optical cable occur in that 8 dish infiltrations；Therefore, the present invention has obtained extraordinary technique effect in terms of block-water performance.
Therefore, the present invention has the technique effects such as simple in construction, low cost, environmental protection, production lightweight, easy, block-water performance be more excellent.
The present invention is not limited to above-mentioned preferred forms, it will be appreciated that the design of the present invention can be implemented to use by other various forms, and they also fall within protection scope of the present invention.

Claims (8)

1. there is the optoelectrical cable of special-shaped packing gasket, it is characterised in that it makes by the following method and obtains:
The first step: make the step of signal transmission through fiber unit: the color masterbatch of modified polypropene or polybutylene terephthalate (PBT) and the first color is put into optical fiber secondary cocoon production equipment and melts; speed with 50～400m/min is extruded and continuous coo1ing traction forms protection pipe; wherein, the weight of the color masterbatch of the first color is 0.01～0.03 times of modified polypropene or polybutylene terephthalate (PBT) weight；By many G.652 type or G.653 types or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type optical fibers are inserted in protection pipe; fibre-optic releasing tension force is 3～5N; when 25 ± 5 DEG C, fibre-optic length is 1.003～1.020 times of protection length of tube, and every optical fibers in protection pipe is distributed in sinusoidal or cosine distribution or the most stranded mode；Complete the making of signal transmission through fiber unit；When needing multifiber signal transmission unit, above-mentioned steps forms multifiber signal transmission unit repeatedly, and wherein the color of the color masterbatch of the first color is different；
Second step: make the step of the first power transmission unit: be coated on outside power transmission conductor by insulating layer material extrusion molding and form the first power transmission unit, wherein, insulating layer material is made up of Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polrvinyl chloride or low smoke and zero halogen polyethylene and the first insulation color masterbatch, the weight of the first insulation color masterbatch is Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polrvinyl chloride or 0.01～0.03 times of low smoke and zero halogen polyethylene weight, and the material of described power transmission conductor is copper or aluminum or alloy；First insulation color masterbatch is different from the color of the color masterbatch of the first color；
3rd step: make the step of the second power transmission unit: be coated on outside power transmission conductor by insulating layer material extrusion molding and form the first power transmission unit, wherein, insulating layer material is made up of Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polrvinyl chloride or low smoke and zero halogen polyethylene and the second insulation color masterbatch, the weight of the second insulation color masterbatch is Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polrvinyl chloride or 0.01～0.03 times of low smoke and zero halogen polyethylene weight, and the material of described power transmission conductor is copper or aluminum or alloy；Second insulation color masterbatch is different from the color of the first insulation color masterbatch, the color masterbatch of the first color；
null4th step: make the step of cable core: take center reinforcement、Many special-shaped packing gaskets、The signal transmission through fiber unit that cable core wrapping element and the first step make、The first power transmission unit that second step makes、The second power transmission unit that 3rd step makes，SZ stranding machine carried out stranded or be placed in parallel，And make: center reinforcement is centrally located，Signal transmission through fiber unit、First power transmission unit、Second power transmission unit is positioned at outside the reinforcement of center，Many special-shaped packing gaskets be positioned at adjacent signal transmission through fiber unit with in the external series gap that power transmission unit is formed or in the external series gap that formed of adjacent signal transmission through fiber unit or in the external series gap that formed of adjacent power transmission unit，Cable core wraps up element in the way of the gap one-way spiral of 20～40mm by signal transmission through fiber unit、First power transmission unit、Second power transmission unit and many special-shaped packing gaskets envelope；
5th step: make the step of protective layer: fetching protection layer material and be longitudinally coated on outside the cable core that the 4th step is formed, protective layer connects edge and has the lap width of 2～4mm；
6th step: make the step of oversheath: take jacket material extrusion molding and be coated on outside the protective layer that the 5th step is formed, form outer jacket, complete the making of the optoelectrical cable with special-shaped packing gasket.
The optoelectrical cable with special-shaped packing gasket the most according to claim 1, it is characterized in that described special-shaped packing gasket is by stiffener, the water blocking layer being positioned at outside stiffener, the moisture vapor transmission layer being coated on outside interior water blocking layer, the outer water blocking layer being positioned at outside moisture vapor transmission layer is constituted, there is on moisture vapor transmission layer water blocking layer and the moisture vapor transmission hole of outer water blocking layer in multiple connection, the material of described interior water blocking layer is water blocking yarn, it is that wind around on stiffener or described interior water blocking layer comprises following raw material by weight: polyacrylamide: 50～80 parts, polyvinyl alcohol: 10～30 parts, commercially available plastics antioxidant 1010 or 1076:0.6～1.2 parts；The material of described outer water blocking layer is water-proofing powder, and water-proofing powder is bonded on moisture vapor transmission layer.
The optoelectrical cable with special-shaped packing gasket the most according to claim 1, it is characterized in that the water blocking layer that described special-shaped packing gasket by stiffener, is positioned at outside stiffener, the moisture vapor transmission layer being coated on outside water blocking layer, the outer water blocking layer that is positioned at outside moisture vapor transmission layer are constituted, moisture vapor transmission layer has water blocking layer and the moisture vapor transmission hole of outer water blocking layer in multiple connection；The material of outer water blocking layer is one side film waterstop, it is that there is multiple hole on waterstop, overlay film face is pasted onto on moisture vapor transmission layer, the material of described interior water blocking layer is water blocking yarn, is that wind around on stiffener or described interior water blocking layer comprises following raw material by weight: polyacrylamide: 50～80 parts, polyvinyl alcohol: 10～30 parts, commercially available plastics antioxidant 1010 or 1076:0.6～1.2 parts.
4. according to the optoelectrical cable with special-shaped packing gasket described in claim 2 or claim 3, it is characterised in that the material of described stiffener is steel wire or fiberglass reinforced plastics or aramid yarn or glass fiber yarn；The material of described moisture vapor transmission layer is polyester belt.
The optoelectrical cable with special-shaped packing gasket the most according to claim 4, it is characterised in that described optical fibers is G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type.
The optoelectrical cable with special-shaped packing gasket the most according to claim 5, it is characterised in that the material of described protection pipe is modified polypropene or polybutylene terephthalate (PBT) or steel or aluminum or copper.
7. according to the optoelectrical cable with special-shaped packing gasket described in claim 1 or 2 or 3 or 5 or 6, it is characterised in that the material of described protective layer is polyester belt or waterstop or aluminium-plastic tape or composite steel-plastic belt or glass fiber tape.
The optoelectrical cable with special-shaped packing gasket the most according to claim 7, it is characterised in that the material of described oversheath is Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or polrvinyl chloride or low smoke and zero halogen polyethylene.
CN201610170405.9A 2015-03-16 2015-03-16 Manufacture method of optical and electric composite cable with special-shaped filling ropes Pending CN105845253A (en)

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