Nothing Special   »   [go: up one dir, main page]

CN108922665A - A kind of fire-retarded fiber composite cable - Google Patents

A kind of fire-retarded fiber composite cable Download PDF

Info

Publication number
CN108922665A
CN108922665A CN201810776391.4A CN201810776391A CN108922665A CN 108922665 A CN108922665 A CN 108922665A CN 201810776391 A CN201810776391 A CN 201810776391A CN 108922665 A CN108922665 A CN 108922665A
Authority
CN
China
Prior art keywords
cable core
layer
cable
fire
optical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201810776391.4A
Other languages
Chinese (zh)
Inventor
韩玉权
徐增
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANDONG QUANXING YINQIAO OPTICAL & ELECTRIC CABLE SCIENCE & TECHNOLOGY DEVELOPMENT Co Ltd
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201810776391.4A priority Critical patent/CN108922665A/en
Publication of CN108922665A publication Critical patent/CN108922665A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/02Disposition of insulation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/1895Internal space filling-up means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28Protection against damage caused by moisture, corrosion, chemical attack or weather
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/2806Protection against damage caused by corrosion
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/2825Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/285Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29Protection against damage caused by extremes of temperature or by flame
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29Protection against damage caused by extremes of temperature or by flame
    • H01B7/295Protection against damage caused by extremes of temperature or by flame using material resistant to flame

Landscapes

  • Insulated Conductors (AREA)

Abstract

The invention discloses a kind of fire-retarded fiber composite cables, including cable core, the cable core is by multi-cable core, a piece optical cable core and a plurality of gasket for packing are twisted, multi-cable core and an optical cable core are arranged in inside cable core in ring-like, gasket for packing is provided at the center that cable core and optical cable core surround and on the outside of adjacent cable core or the circumscribed place of optical cable core, polyethylene liner layer is coated with outside cable core, external shielding layer is successively coated with outside polyethylene liner layer, silica gel fireprotection layer, mica belt, high-flame-retardanthalogen-free halogen-free low-smoke and flame retardant restrictive coating and water blocking layer, polyethylene liner layer and cable core, insulating foam layer is filled in the gap of optical cable core and gasket for packing.The present invention makes full use of the advantages of each material, so that cable entirety oil resistant, acidproof, Corrosion Protection is good, has not only saved cost, also improves the resistance to compression tensile property of cable, and cable overall flexibility can be good, substantially prolongs the service life of cable.

Description

A kind of fire-retarded fiber composite cable
Technical field
The present invention relates to field of cable technology, specifically a kind of fire-retarded fiber composite cable.
Background technique
Wire and cable is the carrier of power Transmission or information transmitting, is widely used in industry and civilian electricity consumption facility, makes It is different with environment or occasion, it is desirable that different, the especially industries use environment such as wind-power electricity generation, metallurgy and chemical industry is severe, to cable Product proposes some specific performance requirements, and currently used PVC sheath material flexibility is poor, elongation at break is small, anti- Cracking performance difference does not have torsion, and oil resistant, acidproof, Corrosion Protection do not reach requirement yet, and cable service life is short, replacement frequency It is numerous, it influences industrial production and is normally carried out;In order to meet these particular/special requirements, some producers have to using silicon rubber or polyurethane Material, but the impact resistance of silicon rubber is poor, cable cover(ing) is easy cracking, and service life is also short, and the cruel material of poly- ammonia Cost is too high;And existing cable heat resistance is poor, smaller scope of application.
With future city be transformed modernization, route at full capacity with excess load oneself at normality, large amount of building Oneself interior optical cable insulate and sheath aging through appearance, and line short is be easy to cause to cause fire and casualties.Therefore, to The transmission of application solutions optical fiberization, must improve current photoelectricity cable structure, so that optical cable is whole in modernization skyscraper Structure meets that electric property is stable, fire protecting performance is good, and the more reliable use of ageing resistance needs.
Summary of the invention
The purpose of the present invention is to provide a kind of fire-retarded fiber composite cables, to solve mentioned above in the background art ask Topic.
To achieve the above object, the present invention provides the following technical solutions:
A kind of fire-retarded fiber composite cable, including cable core, the cable core is by multi-cable core, an optical cable core and a plurality of fills out It fills rope to be twisted, multi-cable core and an optical cable core are arranged in inside cable core in ring-like, cable core and cable line Gasket for packing, packet outside the cable core are provided at the center that core surrounds and on the outside of adjacent cable core or the circumscribed place of optical cable core It is covered with polyethylene liner layer, polyethylene liner layer is coated with external shielding layer, and external shielding layer is coated with silica gel fireprotection layer, silica gel Fireprotection layer has been orderly arranged outside each mica belt, high-flame-retardanthalogen-free halogen-free low-smoke and flame retardant restrictive coating and water blocking layer, the polyethylene liner Layer in the gap of cable core, optical cable core and gasket for packing filled with insulating foam layer.
As a further solution of the present invention:The cable core includes cable conductor and is coated on outside cable conductor Insulating layer, cable core is in being provided with three in polyethylene liner layer.
As a further solution of the present invention:The cable line in-core includes multifiber and is coated on the interior of outer fiber Shielded layer is provided with casing solid-state between optical fiber and internal shield and blocks water filled layer, and casing solid-state blocks water filled layer as expansion Type blocks water yarn layer, and internal shield is steel band wrapping layer, is coated with Loose tube outside internal shield.
As a further solution of the present invention:The center of the optical cable core is arranged an optical fiber, at optical cable core center The external circumferential of optical fiber is uniformly arranged four or six roots of sensation optical fiber.
As a further solution of the present invention:The gasket for packing is provided with five.
As a further solution of the present invention:The external shielding layer is tinned copper wire stratum reticulare.
As a further solution of the present invention:The silica gel fireprotection layer with a thickness of 15~20mm.
As a further solution of the present invention:Be provided in the silica gel fireprotection layer silica gel fireprotection layer is divided into it is multiple etc. Point multiple rubber skeletons, rubber skeleton is disposed radially, and the whole radial structure of rubber skeleton.
As a further solution of the present invention:The mica belt is laminating in high-flame-retardanthalogen-free halogen-free low-smoke and flame retardant restrictive coating On wall, for the outside package of high-flame-retardanthalogen-free halogen-free low-smoke and flame retardant restrictive coating by water blocking layer, water blocking layer is polyurethane water-proof layer, and polyurethane is anti- Water layer outer surface is coated with equadag coating.
Compared with prior art, the beneficial effects of the invention are as follows:The fire-retarded fiber composite cable, polyethylene liner layer and electricity Insulating foam layer is filled in the gap of cable core, optical cable core and gasket for packing, the abscess of insulating foam layer is totally-enclosed stomata, The moisture in water and air can be effectively prevent to enter, improve the waterproof performance of optical cable, and insulating foam layer also improves Optical cable is to extraneous compressive property;Outer fiber is coated with internal shield, is provided with external shielding layer on the outside of polyethylene liner layer, The safe transmission of signal has been effectively ensured, has avoided electromagnetic interference, while having also ensured the stabilization of electric property;Silicone rubber fireproof layer It is fixed by rubber skeleton, making cable integrally has good flexibility, avoids cable in use to internal center conductor Extruding force;Mica belt jointly plays a protective role to the burning of cable with high-flame-retardanthalogen-free halogen-free low-smoke and flame retardant restrictive coating, significantly Improve safety and stability;Water blocking layer is polyurethane water-proof layer, and silicon rubber is as fireprotection layer, so set, making full use of The advantages of each material, has not only saved cost, has also improved cable so that cable entirety oil resistant, acidproof, Corrosion Protection is good Resistance to compression tensile property, cable overall flexibility can be good, substantially prolongs the service life of cable.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is a kind of embodiment schematic diagram of optical cable core in the present invention.
Fig. 3 is the another embodiment schematic diagram of optical cable core in the present invention.
In figure:1- water blocking layer, 2- high-flame-retardanthalogen-free halogen-free low-smoke and flame retardant restrictive coating, 3- mica belt, 4- silica gel fireprotection layer, 5- rubber Glue skeleton, 6- external shielding layer, 7- polyethylene liner layer, 8- gasket for packing, 9- cable core, 10- insulating layer, 11- cable conductor, 12- optical cable core, 13- insulating foam layer, 14- Loose tube, 15- internal shield, 16- casing solid-state block water filled layer, 17- light It is fine.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1~3, in the embodiment of the present invention, a kind of fire-retarded fiber composite cable, including cable core, the cable core by 9, optical cable cores 12 of multi-cable core and a plurality of gasket for packing 8 are twisted, multi-cable core 9 and an optical cable core 12 are arranged in inside cable core in ring-like, and every cable core 9 includes cable conductor 11 and is coated on exhausted outside cable conductor 11 Edge layer 10, cable core 9 are preferably provided with three, include multifiber 17 in the optical cable core 12 and are coated on 17 outside of optical fiber Internal shield 15, as shown in Figures 2 and 3, the center of the optical cable core 12 is arranged an optical fiber 17, at 12 center of optical cable core The external circumferential of optical fiber 17 is uniformly arranged four or six roots of sensation optical fiber 17, and it is solid that casing is provided between optical fiber 17 and internal shield 15 State blocks water filled layer 16, and the casing solid-state filled layer 16 that blocks water is that the intumescent yarn layer that blocks water is improved relative to traditional optical cable The waterproof performance of cable, internal shield 15 are steel band wrapping layer, are coated with Loose tube 14, cable core 9 outside internal shield 15 It is provided with gasket for packing 8 at the center surrounded with optical cable core 12 and on the outside of adjacent cable core 9 or the circumscribed place of optical cable core 12, Gasket for packing 8 is preferably provided with five.
Polyethylene liner layer 7 is coated with outside the cable core, polyethylene liner layer 7 is coated with external shielding layer 6, external shield Layer 6 is tinned copper wire stratum reticulare, and external shielding layer 6 is coated with silica gel fireprotection layer 4, silica gel fireprotection layer 4 with a thickness of 15~20mm, Multiple rubber skeletons 5 that silica gel fireprotection layer 4 is divided into multiple equal parts are provided in silica gel fireprotection layer 4, rubber skeleton 5 is radially Setting, and the whole radial structure of rubber skeleton 5, silica gel fireprotection layer 4 be orderly arranged outside each mica belt 3, high fire-retardance without Halogen low-smoke and flame retardant restrictive coating 2 and water blocking layer 1, the laminating inner wall in high-flame-retardanthalogen-free halogen-free low-smoke and flame retardant restrictive coating 2 of the mica belt 3 On, for the outside package of high-flame-retardanthalogen-free halogen-free low-smoke and flame retardant restrictive coating 2 by water blocking layer 1, the water blocking layer 1 is polyurethane water-proof layer, is gathered Urethane waterproof layer outer surface is coated with equadag coating, the polyethylene liner layer 7 and cable core 9, optical cable core 12 and filling Insulating foam layer 13 is filled in the gap of rope 8.
The gap of the fire-retarded fiber composite cable, polyethylene liner layer 7 and cable core 9, optical cable core 12 and gasket for packing 8 Interior to be filled with insulating foam layer 13, the abscess of insulating foam layer 13 is totally-enclosed stomata, can be effectively prevent in water and air Moisture enters, and improves the waterproof performance of optical cable, and insulating foam layer 13 also improves optical cable to extraneous compressive property; It is coated with internal shield 15 on the outside of optical fiber 17, external shielding layer 6 is provided on the outside of polyethylene liner layer 7, signal has been effectively ensured Safe transmission avoids electromagnetic interference, while also ensuring the stabilization of electric property;Silicone rubber fireproof layer 4 is consolidated by rubber skeleton 5 Fixed, making cable integrally has good flexibility, avoids extruding force of the cable in use to internal center conductor;Mica Belt 3 jointly plays a protective role to the burning of cable with high-flame-retardanthalogen-free halogen-free low-smoke and flame retardant restrictive coating 2, substantially increases safety And stability;Water blocking layer 1 is polyurethane water-proof layer, and silicon rubber is as fireprotection layer, so set, making full use of the excellent of each material Point also improves the resistance to compression pull resistance of cable so that cable entirety oil resistant, acidproof, Corrosion Protection is good, has not only saved cost Can, cable overall flexibility can be good, substantially prolongs the service life of cable.
The above are merely the preferred embodiment of the present invention, it is noted that for those skilled in the art, not Under the premise of being detached from present inventive concept, several modifications and improvements can also be made, these also should be considered as protection model of the invention It encloses, these all will not influence the effect and patent practicability that the present invention is implemented.

Claims (9)

1. a kind of fire-retarded fiber composite cable, including cable core, which is characterized in that the cable core is by multi-cable core(9), one piece Optical cable core(12)With a plurality of gasket for packing(8)It is twisted, multi-cable core(9)With an optical cable core(12)In ring-like cloth It sets inside cable core, cable core(9)With optical cable core(12)At the center surrounded and adjacent cable core(9)Or cable line Core(12)Gasket for packing is provided on the outside of circumscribed place(8), polyethylene liner layer is coated with outside the cable core(7), polyethylene liner Layer(7)It is coated with external shielding layer(6), external shielding layer(6)It is coated with silica gel fireprotection layer(4), silica gel fireprotection layer(4)Outside according to It is secondary to be provided with mica belt(3), high-flame-retardanthalogen-free halogen-free low-smoke and flame retardant restrictive coating(2)And water blocking layer(1), the polyethylene liner layer (7)With cable core(9), optical cable core(12)And gasket for packing(8)Gap in be filled with insulating foam layer(13).
2. fire-retarded fiber composite cable according to claim 1, which is characterized in that the cable core(9)Including cable Conductor(11)Be coated on cable conductor(11)External insulating layer(10), cable core(9)In polyethylene liner layer(7)Inside set It is equipped with three.
3. fire-retarded fiber composite cable according to claim 1, which is characterized in that the optical cable core(12)Interior includes more Root optical fiber(17)Be coated on optical fiber(17)The internal shield in outside(15), in optical fiber(17)And internal shield(15)Between be arranged There is casing solid-state to block water filled layer(16), casing solid-state blocks water filled layer(16)It blocks water yarn layer for intumescent, internal shield(15) For steel band wrapping layer, internal shield(15)Outside is coated with Loose tube(14).
4. fire-retarded fiber composite cable according to claim 2, which is characterized in that the optical cable core(12)Center set Set an optical fiber(17), optical cable core(12)Optical fiber at center(17)External circumferential be uniformly arranged four or six roots of sensation optical fiber (17).
5. fire-retarded fiber composite cable according to claim 2, which is characterized in that the gasket for packing(8)It is provided with five.
6. fire-retarded fiber composite cable according to claim 1, which is characterized in that the external shielding layer(6)For tin-coated copper Silk screen layer.
7. fire-retarded fiber composite cable according to claim 1, which is characterized in that the silica gel fireprotection layer(4)Thickness For 15~20mm.
8. fire-retarded fiber composite cable according to claim 1 or claim 7, which is characterized in that the silica gel fireprotection layer(4)Inside set It is equipped with silica gel fireprotection layer(4)It is divided into multiple rubber skeletons of multiple equal parts(5), rubber skeleton(5)It is disposed radially, and rubber Glue skeleton(5)Whole radial structure.
9. fire-retarded fiber composite cable according to claim 1, which is characterized in that the mica belt(3)It is laminating in height Fire-retardant LSOH anti-flaming restrictive coating(2)Inner wall on, high-flame-retardanthalogen-free halogen-free low-smoke and flame retardant restrictive coating(2)Outside wrap up by blocking water Layer(1), water blocking layer(1)For polyurethane water-proof layer, polyurethane water-proof layer outer surface is coated with equadag coating.
CN201810776391.4A 2018-07-16 2018-07-16 A kind of fire-retarded fiber composite cable Withdrawn CN108922665A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810776391.4A CN108922665A (en) 2018-07-16 2018-07-16 A kind of fire-retarded fiber composite cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810776391.4A CN108922665A (en) 2018-07-16 2018-07-16 A kind of fire-retarded fiber composite cable

Publications (1)

Publication Number Publication Date
CN108922665A true CN108922665A (en) 2018-11-30

Family

ID=64411212

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810776391.4A Withdrawn CN108922665A (en) 2018-07-16 2018-07-16 A kind of fire-retarded fiber composite cable

Country Status (1)

Country Link
CN (1) CN108922665A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110010293A (en) * 2019-05-16 2019-07-12 江苏港通电缆有限公司 A kind of electro-optical composite cable
CN113270229A (en) * 2021-05-25 2021-08-17 国网河南省电力公司西峡县供电公司 Photoelectric composite cable with high stable transmission performance

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110010293A (en) * 2019-05-16 2019-07-12 江苏港通电缆有限公司 A kind of electro-optical composite cable
CN113270229A (en) * 2021-05-25 2021-08-17 国网河南省电力公司西峡县供电公司 Photoelectric composite cable with high stable transmission performance

Similar Documents

Publication Publication Date Title
CN104952539B (en) The high cable of a kind of environmental protection compression strength
CN108922665A (en) A kind of fire-retarded fiber composite cable
CN200976292Y (en) Instrument cable for offshore oil platform
CN202134273U (en) Flame-retardant high temperature-resistant intrinsically safe computer cable
CN206353461U (en) A kind of isolated form photoelectric compound cable
CN209343843U (en) A kind of soft fire resistant frequency-conversion power cable
CN203787136U (en) High-temperature-resistant high-voltage tensile reinforced shield flat cable
CN217955536U (en) High-efficiency insulated power cable based on crosslinked polyethylene
CN202855384U (en) Intrinsic-safe instrument cable for oceaneering
CN202373323U (en) Flame-retardant control cable
CN201025585Y (en) Low smoke no halogen combustion retarding cable
CN211427899U (en) A novel fire prevention shielded cable for electron field
CN201194176Y (en) High-retardant fire protection layer double shielding pull resistant electric cable
CN205609276U (en) Fire -retardant type electric power and communication cable
CN203366842U (en) Insulation fireproof multi-core power cable
CN201584193U (en) Silicon rubber control cable
CN201667224U (en) Novel flame retardant high voltage frequency conversion cable
CN201758031U (en) Silicon rubber insulated intrinsically safe system instrument cable
CN207381120U (en) A kind of fire-retardant copper core PVC-insulated cable of novel light
CN201893161U (en) Soft type low smoke zero halogen cable for ship
CN206179594U (en) An anti fire -retardant data cable
CN205751587U (en) A kind of flexible fireproof layer flame-retardant and fire-resistant wire and cable
CN216528141U (en) Novel special explosion-proof control cable
CN204792049U (en) Novel dampproofing fireproof cable
CN220137955U (en) Irradiation-resistant high-safety communication cable for fourth-generation nuclear power station

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20190517

Address after: 277800 333 light source road, hi tech Zone, Zaozhuang, Shandong

Applicant after: SHANDONG QUANXING YINQIAO OPTICAL & ELECTRIC CABLE SCIENCE & TECHNOLOGY DEVELOPMENT CO., LTD.

Address before: 277000 Room 202, unit 1, 3 building, Songjiang East Road light source group, Xuecheng District, Zaozhuang, Shandong.

Applicant before: Han Yuquan

TA01 Transfer of patent application right
WW01 Invention patent application withdrawn after publication

Application publication date: 20181130

WW01 Invention patent application withdrawn after publication