CN203933998U - A kind of Novel heat tracing cable - Google Patents
A kind of Novel heat tracing cable Download PDFInfo
- Publication number
- CN203933998U CN203933998U CN201420376654.XU CN201420376654U CN203933998U CN 203933998 U CN203933998 U CN 203933998U CN 201420376654 U CN201420376654 U CN 201420376654U CN 203933998 U CN203933998 U CN 203933998U
- Authority
- CN
- China
- Prior art keywords
- circular magnetic
- layer
- cable
- companion
- hot line
- 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.)
- Expired - Fee Related
Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 239000003063 flame retardant Substances 0.000 claims description 16
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 11
- 239000000779 smoke Substances 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 9
- 239000004809 Teflon Substances 0.000 claims description 6
- 229920006362 Teflon® Polymers 0.000 claims description 6
- 229910000859 α-Fe Inorganic materials 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 229910000570 Cupronickel Inorganic materials 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 239000000956 alloy Substances 0.000 claims 1
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000005288 electromagnetic effect Effects 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 230000008014 freezing Effects 0.000 abstract 1
- 238000007710 freezing Methods 0.000 abstract 1
- 239000011162 core material Substances 0.000 description 18
- 239000004020 conductor Substances 0.000 description 17
- 230000004888 barrier function Effects 0.000 description 16
- 239000011248 coating agent Substances 0.000 description 15
- 238000000576 coating method Methods 0.000 description 15
- 229910052736 halogen Inorganic materials 0.000 description 8
- 150000002367 halogens Chemical class 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 230000002528 anti-freeze Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005352 galvanomagnetic phenomena Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- FRWYFWZENXDZMU-UHFFFAOYSA-N 2-iodoquinoline Chemical compound C1=CC=CC2=NC(I)=CC=C21 FRWYFWZENXDZMU-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- LTPBRCUWZOMYOC-UHFFFAOYSA-N beryllium oxide Inorganic materials O=[Be] LTPBRCUWZOMYOC-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
本实用新型涉及一种新型伴热电缆，属于电缆技术领域。本实用新型由管路、伴热线、圆形磁环、外护套组成；其中每一条管路上以间隔相等的距离设置有圆形磁环，圆形磁环上间隔相同的角度设置有开孔，伴热线从开孔穿过，外护套包裹在最外侧。本实用新型通过利用伴热线的电热效应和圆形磁环的电磁效应，对于管线等设备起到了防冻、升温或保温的作用，实现了为电缆提供合适工作温度的目的，保证了电缆的安全稳定运行，具有能耗低、结构简单、运行可靠、操作安全、低碳环保、使用寿命长等优点。
The utility model relates to a novel heat tracing cable, which belongs to the technical field of cables. The utility model is composed of pipelines, heating wires, circular magnetic rings and outer sheaths; wherein circular magnetic rings are arranged at equal intervals on each pipeline, and openings are arranged on the circular magnetic rings at the same intervals , the heating wire passes through the opening, and the outer sheath is wrapped on the outermost side. The utility model uses the electrothermal effect of the heating wire and the electromagnetic effect of the circular magnetic ring to prevent freezing, heat up or keep warm for pipelines and other equipment, realizes the purpose of providing a suitable working temperature for the cable, and ensures the safety and stability of the cable It has the advantages of low energy consumption, simple structure, reliable operation, safe operation, low-carbon environmental protection, and long service life.
Description
Technical field
The utility model relates to a kind of Novel heat tracing cable, belongs to cable technology field.
Background technology
Electric wire product category is various, and product is widely used in the industries such as electric power, oil, chemical industry, medicine, machinery, food, boats and ships, all closely related with each department of national economy.Electric wire is the various motors of transmission of electric energy, transmission of information and manufacture, instrument, instrument, realizes electromagnetic energy and changes indispensable basic equipment, is necessary basic product in following electrification, informationized society.
Along with China's economic growth continuously and healthily, the continuous expansion of China Power industry, data communication industry, urban track traffic industry, car industry and shipping industry scale, China also increases rapidly the demand of electric wire, and following electric wire industry also has huge development potentiality.Yet the operational environment of cable is changeable, once cable is destroyed, can cause serious economic loss immediately, make troubles to our production and life.Only take power industry as example, when cable is met wind and snow, sleet at extremely frigid zones, removing ice from cable phenomenon often occurs, cause down bar, fall the accidents such as base, steel tower cave in, broken string, cannot normal power supply, even cause large-area power-cuts, power grid operation is caused and had a strong impact on.
Summary of the invention
The utility model provides a kind of Novel heat tracing cable, for solving, realizes the problem with antifreeze, intensification or heat insulation function under the bad weather conditions such as snowstorm, sleet.
The technical solution of the utility model is: a kind of Novel heat tracing cable, is comprised of pipeline 1, companion's hot line 2, circular magnet ring 3, oversheath 4; Wherein on each pipeline 1, with the equal distance in interval, be provided with circular magnet ring 3, on circular magnet ring 3, the identical angle in interval is provided with perforate, and companion's hot line 2 passes from perforate, and oversheath 4 is wrapped in outermost.
Described companion's hot line 2 is comprised of conductor wire core 5, PTC layer 6, insulating barrier 7, armour 8 and restrictive coating 9; Wherein conductor wire core 5, PTC layer 6, insulating barrier 7, armour 8 and restrictive coating 9 are arranged respectively from inside to outside.
The surface of described pipeline 1 scribbles PET thermal insulation layer.
On described circular magnet ring 3 number of perforate be 2 and more than.
On described circular magnet ring 3, the number of perforate equates with the quantity of companion's hot line 2.
Between described companion's hot line 2, adopt tandem or parallel connection.
Described circular magnet ring 3 adopts ferrite; Oversheath 4 adopts low-smoke non-halogen flame-retardant; Conductor wire core 5 adopts corronil; PTC layer 6 adopts fire-retardant PTC; Insulating barrier 7 adopts Teflon; Armour 8 adopts wire armoring; Restrictive coating 9 adopts low-smoke non-halogen flame-retardant.
Operation principle of the present utility model is:
In the situation that weather conditions are good, staff closes the control switch of companion's hot line 2 at switchgear house, and companion's hot line 2 no powers, therefore accompany hot line 2 not work.
Running under the weather condition of the extreme cold such as snowstorm, sleet, staff opens the control switch of companion's hot line 2 at switchgear house, after companion's hot line 2 switches on power, electric current is by flow through conductor wire core 5 that semiconductor PTC layer 6 be arranged in parallel to another root and form loop of a conductor wire core 5, the outside of PTC layer 6 is surrounded by insulating barrier 7, the outside of insulating barrier 7 is woven with armour 8, finally, by the above-mentioned part of restrictive coating 9 parcel, forms companion's hot line 2 structures.For super long type high voltage power transmission line, use the heating cable of five or six roots of sensation companion hot line structure, the beginning of many companion's hot lines 2, end adopt series system to connect, and the continuous use length of this class cable is 500～2500 meters; For pressing power transmission line in plain edition, use the heating cable of two or three companion's hot line structures, the applicable voltage of this class cable is 100V～380V, it uses length to be generally no more than 200 meters continuously, and for compared with the inclined to one side high voltage transmission line of elongated, use the heating cable of five or six roots of sensation companion hot line structure, the applicable voltage of this class cable is 380V～650V, it uses length to be generally no more than 500 meters continuously, in above two class power transmission lines, in accompanying-heat cable, the beginning of many companion's hot lines 2, end adopt parallel way to connect.In whole companion's hot line loop, electric current heats up semiconductor PTC layer 6, its resistance increases immediately, after the temperature of conductor wire core 5 and PTC layer 6 rises to certain value, resistance is large to the degree of almost blocking electric current, its temperature no longer raises, meanwhile, because the surface of pipeline 1 scribbles PET thermal insulation layer, therefore accompany 2 of hot lines to conduct heat to the lower system that the is heated oversheath 4 of external temperature, play effect antifreeze, that heat up or be incubated, thereby the working temperature of pipeline 1 has been improved, guaranteed the stability of cable work.
In addition, according to electromagnetic induction principle, circular magnet ring 3 can make full use of the magnetic field energy of transmission line and be converted into heat energy, therefore by companion's electrocaloric effect of hot line 2 and two kinds of modes of the galvanomagnetic effect of circular magnet ring 3, the utility model can be tackled exceedingly odious microthermal climate more effectively, circular magnet ring 3 itself can make normal useful signal pass through well simultaneously, can suppress preferably passing through of high-frequency interferencing signal again.
Wherein, described pipeline 1, according to actual working environment, comprises pipeline, pipeline, the pump housing, valve, groove pond or tank body etc., and the surface of pipeline 1 scribbles PET thermal insulation layer, and its temperature range is-70 ℃～150 ℃, has good high-and low-temperature resistance performance; The core material of companion's hot line 2 adopts PTC semiconductive plastics; Circular magnet ring 3 adopts Ferrite Material; Oversheath 4 and restrictive coating 9 all adopt halogen-free low-smoke flame retardant material, and this material has good weatherability, high pressure resistant property and thermal stability; Conductor wire core 5 adopts corronil; PTC layer 6 adopts fire-retardant ptc material; Insulating barrier 7 adopts the Teflon composite material that mixes micro-conductive powder such as beryllium oxide, graphite powder etc., and this composite material electrical insulating property is good, and temperature range is-190 ℃～260 ℃, and heat conductivility has great improvement; Armour 8 adopts wire armoring material, this Material reinforcement the mechanical strengths such as the tensile strength of cable, compression strength, increase the service life, and there is the effect of anti-low-frequency disturbance, in addition, under thunder and lightning weather, armour 8 effective groundings can also be played the effect of thunder-lightning, have guaranteed the safe operation of cable.
The beneficial effects of the utility model are: under the exceedingly odious meteorological conditions such as snowstorm, sleet, by adopting the mode to the energising of companion's hot line, utilize companion's electrocaloric effect of hot line and the galvanomagnetic effect of circular magnet ring, for equipment such as pipelines, played effect antifreeze, that heat up or be incubated, realized the object that proper operation temperature is provided for cable, guarantee the safe and stable operation of cable, there is the advantages such as energy consumption is low, simple in structure, reliable, handling safety, low-carbon environment-friendly, long service life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the utility model cross sectional representation;
Fig. 3 accompanies the structural representation of hot line in the utility model;
Each label in figure: 1 is that pipeline, 2 is for companion's hot line, 3 is for circular magnet ring, 4 is for oversheath, 5 is for conductor wire core, 6 is for PTC layer, 7 is for insulating barrier, 8 is for armour, 9 is for restrictive coating.
Embodiment
Embodiment 1: as Figure 1-3, a kind of Novel heat tracing cable, is comprised of pipeline 1, companion's hot line 2, circular magnet ring 3, oversheath 4; Wherein on each pipeline 1, with the equal distance in interval, be provided with circular magnet ring 3, on circular magnet ring 3, the identical angle in interval is provided with perforate, and companion's hot line 2 passes from perforate, and oversheath 4 is wrapped in outermost.
Described companion's hot line 2 is comprised of conductor wire core 5, PTC layer 6, insulating barrier 7, armour 8 and restrictive coating 9; Wherein conductor wire core 5, PTC layer 6, insulating barrier 7, armour 8 and restrictive coating 9 are arranged respectively from inside to outside.
The surface of described pipeline 1 scribbles PET thermal insulation layer.
On described circular magnet ring 3, the number of perforate is 2.
On described circular magnet ring 3, the number of perforate equates with the quantity of companion's hot line 2.
Between described companion's hot line 2, adopt tandem to connect (that is, the end of companion's hot line is connected with the top of another root companion hot line).
Described circular magnet ring 3 adopts ferrite; Oversheath 4 adopts low-smoke non-halogen flame-retardant; Conductor wire core 5 adopts corronil; PTC layer 6 adopts fire-retardant PTC; Insulating barrier 7 adopts Teflon; Armour 8 adopts wire armoring; Restrictive coating 9 adopts low-smoke non-halogen flame-retardant.
Embodiment 2: as Figure 1-3, a kind of Novel heat tracing cable, is comprised of pipeline 1, companion's hot line 2, circular magnet ring 3, oversheath 4; Wherein on each pipeline 1, with the equal distance in interval, be provided with circular magnet ring 3, on circular magnet ring 3, the identical angle in interval is provided with perforate, and companion's hot line 2 passes from perforate, and oversheath 4 is wrapped in outermost.
Described companion's hot line 2 is comprised of conductor wire core 5, PTC layer 6, insulating barrier 7, armour 8 and restrictive coating 9; Wherein conductor wire core 5, PTC layer 6, insulating barrier 7, armour 8 and restrictive coating 9 are arranged respectively from inside to outside.
The surface of described pipeline 1 scribbles PET thermal insulation layer.
On described circular magnet ring 3, the number of perforate is 5.
On described circular magnet ring 3, the number of perforate equates with the quantity of companion's hot line 2.
Between described companion's hot line 2, adopt parallel connection (that is the top with another root companion hot line that, the top of companion's hot line is corresponding with end is connected with end).
Described circular magnet ring 3 adopts ferrite; Oversheath 4 adopts low-smoke non-halogen flame-retardant; Conductor wire core 5 adopts corronil; PTC layer 6 adopts fire-retardant PTC; Insulating barrier 7 adopts Teflon; Armour 8 adopts wire armoring; Restrictive coating 9 adopts low-smoke non-halogen flame-retardant.
Embodiment 3: as Figure 1-3, a kind of Novel heat tracing cable, is comprised of pipeline 1, companion's hot line 2, circular magnet ring 3, oversheath 4; Wherein on each pipeline 1, with the equal distance in interval, be provided with circular magnet ring 3, on circular magnet ring 3, the identical angle in interval is provided with perforate, and companion's hot line 2 passes from perforate, and oversheath 4 is wrapped in outermost.
Described companion's hot line 2 is comprised of conductor wire core 5, PTC layer 6, insulating barrier 7, armour 8 and restrictive coating 9; Wherein conductor wire core 5, PTC layer 6, insulating barrier 7, armour 8 and restrictive coating 9 are arranged respectively from inside to outside.
The surface of described pipeline 1 scribbles PET thermal insulation layer.
On described circular magnet ring 3, the number of perforate is 6.
On described circular magnet ring 3, the number of perforate equates with the quantity of companion's hot line 2.
Between described companion's hot line 2, adopt tandem to connect.
Described circular magnet ring 3 adopts ferrite; Oversheath 4 adopts low-smoke non-halogen flame-retardant; Conductor wire core 5 adopts corronil; PTC layer 6 adopts fire-retardant PTC; Insulating barrier 7 adopts Teflon; Armour 8 adopts wire armoring; Restrictive coating 9 adopts low-smoke non-halogen flame-retardant.
By reference to the accompanying drawings embodiment of the present utility model is explained in detail above, but the utility model is not limited to above-mentioned execution mode, in the ken possessing those of ordinary skills, can also under the prerequisite that does not depart from the utility model aim, make various variations.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420376654.XU CN203933998U (en) | 2014-07-09 | 2014-07-09 | A kind of Novel heat tracing cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420376654.XU CN203933998U (en) | 2014-07-09 | 2014-07-09 | A kind of Novel heat tracing cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203933998U true CN203933998U (en) | 2014-11-05 |
Family
ID=51829745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420376654.XU Expired - Fee Related CN203933998U (en) | 2014-07-09 | 2014-07-09 | A kind of Novel heat tracing cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203933998U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105992413A (en) * | 2015-02-09 | 2016-10-05 | 广西超星太阳能科技有限公司 | Flat solar heat tracing tape |
| CN106710680A (en) * | 2017-01-18 | 2017-05-24 | 山东聚辰电缆有限公司 | High-cold-resistance high-elasticity power cable and preparation method thereof |
| CN108235475A (en) * | 2017-11-27 | 2018-06-29 | 安邦电气股份有限公司 | A kind of heating tape easy to use |
| CN108566694A (en) * | 2017-12-08 | 2018-09-21 | 唯真（廊坊）石油科技股份有限公司 | A kind of client cables |
| CN108566693A (en) * | 2017-11-27 | 2018-09-21 | 安邦电气股份有限公司 | A kind of high efficiency heating tape |
| CN109140106A (en) * | 2018-09-19 | 2019-01-04 | 西安西热锅炉环保工程有限公司 | A kind of heat tracing pipeline synergy mounting device |
| CN113573430A (en) * | 2021-07-30 | 2021-10-29 | 安邦电气股份有限公司 | A high temperature rated AHT armored electric heating cable |
| CN115899422A (en) * | 2022-10-10 | 2023-04-04 | 乌海宝化万辰煤化工有限责任公司 | An electric heating system |
| US11956865B2 (en) | 2017-02-01 | 2024-04-09 | Nvent Services Gmbh | Low smoke, zero halogen self-regulating heating cable |
-
2014
- 2014-07-09 CN CN201420376654.XU patent/CN203933998U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105992413A (en) * | 2015-02-09 | 2016-10-05 | 广西超星太阳能科技有限公司 | Flat solar heat tracing tape |
| CN106710680A (en) * | 2017-01-18 | 2017-05-24 | 山东聚辰电缆有限公司 | High-cold-resistance high-elasticity power cable and preparation method thereof |
| US11956865B2 (en) | 2017-02-01 | 2024-04-09 | Nvent Services Gmbh | Low smoke, zero halogen self-regulating heating cable |
| CN108235475A (en) * | 2017-11-27 | 2018-06-29 | 安邦电气股份有限公司 | A kind of heating tape easy to use |
| CN108566693A (en) * | 2017-11-27 | 2018-09-21 | 安邦电气股份有限公司 | A kind of high efficiency heating tape |
| CN108566693B (en) * | 2017-11-27 | 2020-12-25 | 安邦电气股份有限公司 | High-efficiency heat tracing band |
| CN108235475B (en) * | 2017-11-27 | 2021-01-22 | 安邦电气股份有限公司 | An easy-to-use heating cable |
| CN108566694A (en) * | 2017-12-08 | 2018-09-21 | 唯真（廊坊）石油科技股份有限公司 | A kind of client cables |
| CN109140106A (en) * | 2018-09-19 | 2019-01-04 | 西安西热锅炉环保工程有限公司 | A kind of heat tracing pipeline synergy mounting device |
| CN113573430A (en) * | 2021-07-30 | 2021-10-29 | 安邦电气股份有限公司 | A high temperature rated AHT armored electric heating cable |
| CN115899422A (en) * | 2022-10-10 | 2023-04-04 | 乌海宝化万辰煤化工有限责任公司 | An electric heating system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203933998U (en) | A kind of Novel heat tracing cable | |
| CN104103368A (en) | High-strength, low-temperature and wear-resistant power cable | |
| CN203086765U (en) | A three-phase power-constant electric heating strap used for conducting heat and preserving temperature in a large-diameter pipeline | |
| CN107017047A (en) | A kind of novel computer cold resistant cable | |
| CN202907236U (en) | High temperature constant power electric heating tape | |
| CN103117122B (en) | Ice-covering-proof automatic de-icing Anti-galloping shaped overhead conductors | |
| CN203118612U (en) | Ice-coating proof special shaped overhead conductor capable of automatically deicing and preventing waving | |
| CN203165515U (en) | High-temperature resisting, silicon rubber insulating aluminum alloy control cable | |
| CN103428913A (en) | Carbon fiber geothermal cable | |
| CN203366776U (en) | Novel high temperature resistant control cable | |
| CN203251451U (en) | Temperature resistant environmental friendly double-conductor heating cable | |
| CN203596207U (en) | Frost prevention cable | |
| CN203787203U (en) | Low-smoke halogen-free flexible super shielding control cable | |
| CN202230798U (en) | Medium frequency induction heating belt cable for submarine petroleum pipeline | |
| CN102280185A (en) | Cold-resistant cable | |
| CN202736524U (en) | Instrument control cable resisting ultra-low temperature and high voltage | |
| CN108511126A (en) | A kind of anti-corrosion and high strength cable | |
| CN203276946U (en) | A new type of single-core cross-linked armored cable | |
| CN105895201A (en) | Cable core with acid and alkali resistance and mechanical damage resistance | |
| CN204946599U (en) | A kind of expanding aerial cable | |
| CN204792141U (en) | Optical/electrical composite carbon fiber composite core conductor for extra -high voltage | |
| CN204632410U (en) | Aluminium alloy conductor crosslinked polyetylene insulated aluminum alloy strip interlocking open armoring power cable | |
| CN203746550U (en) | Grounding control flexible cable for power generation | |
| CN209561053U (en) | Extremely cold area Novel cold-resistant cable | |
| CN204884675U (en) | Thermoplastic resin base member combined material wire |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20150709 |
|
| EXPY | Termination of patent right or utility model |