CN203882724U - Optical fiber for Power Fiber To The Home - Google Patents
Optical fiber for Power Fiber To The Home Download PDFInfo
- Publication number
- CN203882724U CN203882724U CN201420271510.8U CN201420271510U CN203882724U CN 203882724 U CN203882724 U CN 203882724U CN 201420271510 U CN201420271510 U CN 201420271510U CN 203882724 U CN203882724 U CN 203882724U
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- optical cable
- electric power
- electric
- light unit
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- 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
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- 239000000835 fiber Substances 0.000 title claims abstract description 20
- 239000013307 optical fiber Substances 0.000 title claims abstract description 12
- 230000003287 optical effect Effects 0.000 claims abstract description 64
- 239000000463 material Substances 0.000 claims abstract description 30
- 239000004020 conductor Substances 0.000 claims abstract description 21
- 239000011248 coating agent Substances 0.000 claims description 20
- 238000000576 coating method Methods 0.000 claims description 20
- 239000011241 protective layer Substances 0.000 claims description 19
- 229920000573 polyethylene Polymers 0.000 claims description 14
- 230000002787 reinforcement Effects 0.000 claims description 14
- 229910052736 halogen Inorganic materials 0.000 claims description 11
- 150000002367 halogens Chemical class 0.000 claims description 11
- 239000000779 smoke Substances 0.000 claims description 11
- 239000004698 Polyethylene Substances 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- -1 polyethylene Polymers 0.000 claims description 9
- 230000004888 barrier function Effects 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 6
- 229920001903 high density polyethylene Polymers 0.000 claims description 6
- 239000004700 high-density polyethylene Substances 0.000 claims description 6
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 6
- 239000004800 polyvinyl chloride Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 3
- 239000004760 aramid Substances 0.000 claims description 3
- 229920003235 aromatic polyamide Polymers 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 229920001179 medium density polyethylene Polymers 0.000 claims description 3
- 239000004701 medium-density polyethylene Substances 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 239000002990 reinforced plastic Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 239000002131 composite material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 230000002860 competitive effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 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 description 1
- 230000032683 aging Effects 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Communication Cables (AREA)
Abstract
The utility model belongs to the technical field of electric power and cables, and particularly to an optical cable for Power Fiber To The Home. The optical cable comprises three electrical units and at least one optical unit. The electrical units are intertwisted together in a unidirectional spiral manner or a manner that two electrical units are tangential with each other. The optical cable is characterized in that: the optical unit is arranged at an outer clearance between two adjacent electrical units; the electrical units and the optical unit are respectively coated by a sheath layer; each electrical unit is composed of a conductor and an insulating layer which coats the conductor; the optical unit is composed of a body, supporting members which are arranged at two sides of the body and are integrated with the body, an optical fiber unit in the body, and reinforcing members in the supporting members; and the sheath layer is cylindrical or cylindroid. The optical cable provided by the utility model mainly has the following beneficial effects: high convenience in pipeline laying, higher safety and higher reliability in use, direct connection between the optical unit and an existing connector, more flexible connection manner, smaller consumed material amount, and lower cost.
Description
Technical field
The utility model belongs to electric power and technical field of cables, especially relates to a kind of electric power to family optical cable.
Background technology
Along with the develop rapidly of electric power, telecommunications, the amount of information that electrical network carries increases day by day, for this reason, needs optical fiber that communication capacity is stronger to carry out the transmission of signal in power-assisted electric utility; As the carrier of signal transmission, the application of optoelectronic composite cable in electrical network is increasing, but although the optoelectrical cable that can be used for power domain existing has more specification and model at present, but can not meet the requirement of laying and using.
Notification number is: CN201084492, name are called: the patent of optical fiber power cable, include power core, ground connection core and optical cable, and after wrapping up by oversheath, described power core, ground connection core and optical cable be flat.It is 90 DEG C that this patent cable allows working temperature for a long time, and minimum permission working temperature is-35 DEG C; Possess excellent weather resisteant, resistance to wear, there is oil resistant characteristic.Special flat type structural design can be used in high mechanical stress, high alternating bending frequency occasion; Utilize Optical Fiber Transmission, solved electric induction problem.Because it is flat structure, therefore, be not easy to ducted laying.
Notification number is: CN202584869U, name are called: a kind of patent of optical fiber electric power composite cable discloses a kind of optical fiber electric power composite cable, comprise optic fibre core and electric power cable core, optic fibre core comprises that four optical fiber cable cores are evenly distributed on four regions of cross supporting frame, and optic fibre core outside is enclosed with loose sleeve pipe, watertight composition successively; Three cross sections that electric power cable core includes wrap insulate layer are fan-shaped conductor, three conductors that comprise insulating barrier are enclosed with respectively flame retardant coating, screen outward, optic fibre core and electric power cable core are outer forms inner restrictive coating by extrusion moulding, inner restrictive coating is provided with armour outward, and the outer extrusion moulding of armour has the external sheath layer of dumb-bell shape.This reasonable in design, optical cable and power cable are combined into one, and have realized light signal and the signal of telecommunication transmits simultaneously, in addition, have good water resistance, fire resistance, structural compactness, have extended useful life.But, due to its special dumbbell shape, therefore, be also not easy to pipeline laying, in addition, because the junction of dumb-bell shape is relatively thin, and cable unit and fiber unit weight great disparity larger, therefore, aging through the long period, very easily rupture, ftracture in junction; Thereby affect the performance of cable.
Notification number is: CN102314968A, name are called: a kind of power optical fiber is to the patent of family use cable, comprise the first insulated conductor, the second insulated conductor, butterfly optical cable, envelope the first insulated conductor the first outer jacket, envelope the second insulated conductor the second outer jacket, envelope the 3rd outer jacket of butterfly optical cable and be positioned at cavity within the 3rd outer jacket and that can hold described butterfly optical cable; The first insulated conductor, the second insulated conductor lay respectively at the both sides of butterfly optical cable; The first outer jacket, the second outer jacket, the 3rd outer jacket are one-body molded; In plane arbitrary and that the first conductor axis is perpendicular, the outer rim of the 3rd outer jacket is protruded to cavity.The invention solves the problems such as cable of the prior art is difficult for laying, easily openable, density of optic fibre be not little; The present invention have the stable performance of being heated, easily spread split, modularization, easily produce, easily lay, the easy beneficial effect such as construction.Although reached, simple structure and optical cable unit are easily separated, the more easy texts that dispels the heat,, because it is figure-8 structure equally, therefore, be also not easy to pipeline laying.And, in this cable, there is no electric unit for subsequent use, there is no ground wire, therefore, when use, fail safe is poor; In addition, butterfly cable is wherein rectangular shape, and therefore, relative cost is higher, very uneconomical.
Summary of the invention
In order to address the above problem, the utility model discloses a kind of electric power to family optical cable, and it is realized by the following technical solutions.
A kind of electric power is to family optical cable, and it includes three electric units and at least one light unit, and electric unit twists together in the mode of one-way spiral or puts together in parallel to each other in tangent between two mode; It is characterized in that light unit is arranged in the external series gap of adjacent electric unit, the outside of electric unit and light unit is coated with restrictive coating; Electric unit is made up of the insulating barrier that is positioned at conductor and be coated on outside conductor; Light unit by body, be arranged in body both sides and the supporter that is integrally formed with body, the reinforcement that is arranged in the fiber unit of body and is positioned at supporter form; Restrictive coating is cylinder or Elliptic Cylinder shape.
A kind of electric power described above, to family optical cable, is characterized in that the outside of described electric unit and light unit also has protective layer, and restrictive coating is positioned at outside protective layer.
A kind of electric power described above, to family optical cable, is characterized in that described protective layer is waterstop or nonwoven fabrics or aluminium strip or steel band or glass fiber tape.
A kind of electric power described above, to family optical cable, is characterized in that described body is rectangular shape.
A kind of electric power described above, to family optical cable, is characterized in that described supporter is rectangular shape.
A kind of electric power described above is to family optical cable, and the value that it is characterized in that the height of described smooth unit is 3.0 ± 0.2mm; The value of the width of light unit is 2.0 ± 0.2mm.
A kind of electric power described above is to family optical cable, and the diameter that it is characterized in that described reinforcement is 0.25～0.6mm.
A kind of electric power described above is to family optical cable, and the material that it is characterized in that described reinforcement is that glass fibre increases reinforced plastics or aramid yarn or steel wire.
A kind of electric power described above is to family optical cable, and the material that it is characterized in that described body and supporter is all polyvinyl chloride or flame-proof polyethylene or low smoke and zero halogen polyethylene.
A kind of electric power described above, to family optical cable, is characterized in that described fiber unit is the pencil body of simple optical fiber or multifiber formation or the fibre ribbon that multifiber forms.
A kind of electric power described above is to family optical cable, and the material that it is characterized in that described conductor is copper or aluminium or magnesium alloy or almag or copper cover aluminum.
A kind of electric power described above is to family optical cable, and the material that it is characterized in that described insulating barrier is polyvinyl chloride or high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene.
A kind of electric power described above is to family optical cable, and the another both sides that it is characterized in that described body connect and on edge, also have tearing port.
Further, a kind of electric power described above, to family optical cable, is characterized in that having the rope of tearing in described protective layer and/or in restrictive coating.
Electric power in the utility model is circular to family by its profile of optical cable, is convenient to very much pipeline laying; Electric unit has three, can using wherein two as two-phase power supply line introduce, another uses more convenient and safety as ground wire or siding; Certainly, also can be for introducing three phase mains; In addition, owing to thering is light unit, and the butterfly leading in cable in light unit and YD/T1997-2009 has kept essentially identical overall dimension, therefore can directly adopt existing edge joint device to connect, the supporter of the body both sides of light unit has been saved the material consumption of light unit, makes product more competitive, in addition, light unit can be one or two or three, and therefore, access way is more flexible.
Therefore, the utlity model has following main beneficial effect: be convenient to pipeline laying, use that safety and reliability, light unit can directly be connected with existing connector, access way is more flexible, material consumption still less, cost is lower.
Brief description of the drawings
Fig. 1 is the perspective view after one section of solution of the utility model embodiment 1 is cut open.
Fig. 2 is the cross-sectional structure schematic diagram of Fig. 1.
Fig. 3 is the structural representation after a light unit in Fig. 2 amplifies.
Fig. 4 is the cross-sectional structure schematic diagram of the utility model embodiment 2.
Fig. 5 is the cross-sectional structure schematic diagram of the utility model embodiment 3.
embodiment
embodiment 1
Ask for an interview Fig. 1 to Fig. 3; A kind of electric power is to family optical cable, and it includes three electric units and three light unit, and electric unit puts together in parallel to each other in tangent between two mode; It is characterized in that light unit is arranged in the external series gap of adjacent electric unit, the outside of electric unit and light unit is coated with restrictive coating 8; The outside of electric unit and light unit also has protective layer 7, and restrictive coating is positioned at outside protective layer, and electric unit is made up of the insulating barrier 2 that is positioned at conductor 1 and be coated on outside conductor; Light unit by body 5, be arranged in body both sides and the supporter 6 being integrally formed with body, the fiber unit 3 that is arranged in body and the reinforcement 4 that is positioned at supporter form; Restrictive coating is cylindrical shape; Protective layer is waterstop; Body is rectangular shape; Supporter is rectangular shape; The value of the height H of light unit is 3.0 ± 0.2mm; The value of the width W of light unit is 2.0 ± 0.2mm; The diameter of reinforcement is 0.25～0.6mm; The material of reinforcement is steel wire; The material of body and supporter is all low smoke and zero halogen polyethylene; Fiber unit is simple optical fiber; The material of conductor is copper; The material of insulating barrier is polyvinyl chloride.
Certainly, a kind of electric power described above is to family optical cable, and electric unit can also be to twist together in the mode of one-way spiral.
Certainly, a kind of electric power described above is to family optical cable, and it can not comprise protective layer 7 completely.
Certainly, a kind of electric power described above is to family optical cable, and described smooth unit can be one or two, but is at least one.
Certainly, a kind of electric power described above is to family optical cable, and described restrictive coating is for also can be Elliptic Cylinder shape.
A kind of electric power described above, to family optical cable, is characterized in that the outside of described electric unit and light unit also has protective layer 7, and restrictive coating is positioned at outside protective layer.
Certainly, a kind of electric power described above is to family optical cable, and described protective layer also can be nonwoven fabrics or aluminium strip or steel band or glass fiber tape.
Certainly, a kind of electric power described above is to family optical cable, and described body also can be Elliptic Cylinder shape or other the suitable shape of clipping two.
Certainly, a kind of electric power described above, to family optical cable, is characterized in that described supporter also can be other shape, as long as can carry or envelope reinforcement; From Fig. 3, supporter be preferably located in body directly over and under.
Certainly, a kind of electric power described above is to family optical cable, and the optimum value that it is characterized in that the height H of described smooth unit is 3.0mm; The optimum value of the width W of light unit is 2.0mm, is conducive to the connection of connector.
Certainly, a kind of electric power described above is to family optical cable, and the diameter representative value that it is characterized in that described reinforcement is 0.40mm or 0.45mm.
Certainly, a kind of electric power described above, to family optical cable, is characterized in that the material of described reinforcement also can be glass fibre increasing reinforced plastics or aramid yarn or other suitable reinforcement material.
Certainly, a kind of electric power described above is to family optical cable, and the material that it is characterized in that described body and supporter can also be polyvinyl chloride or flame-proof polyethylene or other suitable material.
Certainly, a kind of electric power described above, to family optical cable, is characterized in that described fiber unit also can be the pencil body of single multifiber formation or the fibre ribbon that multifiber forms.
Certainly, a kind of electric power described above, to family optical cable, is characterized in that the material of described conductor also can be aluminium or magnesium alloy or almag or copper cover aluminum or other suitable material.
Certainly, a kind of electric power described above, to family optical cable, is characterized in that the material of described insulating barrier also can be high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene or other suitable material.
embodiment 2
Ask for an interview Fig. 4, and referring to figs. 1 to Fig. 3, a kind of electric power is to family optical cable, and substantially with embodiment 1, difference is that the another both sides of body connect and on edge, also have tearing port 9; Also from Fig. 3, be that the left and right sides of body connects and on edge, also has tearing port 9; The existence of tearing port has reduced the consumption of bulk material on the one hand, on the other hand, fiber unit is easily removed.
embodiment 3
Ask for an interview Fig. 5, and referring to figs. 1 to Fig. 4, a kind of electric power is to family optical cable, substantially with embodiment 2, difference is to have and tear rope 10 in protective layer; Certainly, tearing rope can be many, can be the rope of tearing of tearing rope or polyester fiber type of the few type of aramid fiber, can on market, buy, and can tear protective layer and restrictive coating.
Certainly, tear rope, the electric power that also can be placed on embodiment 1 is used in optical cable to family, tearing rope and being positioned at protective layer; Or when unprotect layer, be placed in restrictive coating; And tear rope and can be many.
Certainly, in embodiment 3 tear rope can also be placed in protective layer simultaneously and restrictive coating in, also can be placed on separately in protective layer or in restrictive coating, aforesaid way can reach the object of tearing restrictive coating; Make electric power use the stripping of optical cable more convenient to family.
Electric power in the utility model is circular to family by its profile of optical cable, is convenient to very much pipeline laying; Electric unit has three, can using wherein two as two-phase power supply line introduce, another uses more convenient and safety as ground wire or siding; Certainly, also can be for introducing three phase mains; In addition, owing to thering is light unit, and the butterfly leading in cable in light unit and YD/T1997-2009 has kept essentially identical overall dimension, therefore can directly adopt existing edge joint device to connect, the supporter of the body both sides of light unit has been saved the material consumption of light unit, makes product more competitive, in addition, light unit can be one or two or three, and therefore, access way is more flexible.
Through calculating, use light unit in the utility model, adopting the value of the height H of light unit is 3.0mm; The value of width W is 2.0mm, use the reinforcement of 0.4mm, the height of body is 0.6mm, the width of supporter is 1.2mm, highly for 1.2mm, disregard the volume of single unit, on body, there is no tearing port, adopt low smoke and zero halogen polythene material, the low smoke and zero halogen polythene material consumption of single smooth unit is 6.51kg/km; The low smoke and zero halogen polythene material consumption of three light unit is 19.53kg/km; And adopt the butterfly leading in cable in YD/1997-2009, while being highly 2mm for 3mm, width, the low smoke and zero halogen polythene material consumption of three butterfly leading in cables is 28.71g/km; Both compare, and the low smoke and zero halogen polythene material consumption in the utility model has been used 9.18kg/km less; Calculate by the unit price of 25 yuan/kg, the utility model is approximately saved 230 yuan/km; Therefore, weight of the present utility model and cost advantage are quite obvious.
In addition, in fact, in light unit, supporter can also use the structures such as semicylinder shape, and the plane of semicylinder is close to body, can reach so lower cost and lighter weight.
Therefore, the utlity model has following main beneficial effect: be convenient to pipeline laying, use that safety and reliability, light unit can directly be connected with existing connector, access way is more flexible, material consumption still less, cost is lower.
The utility model is not limited to above-mentioned preferred forms, should be appreciated that design of the present utility model can be by other various forms enforcement utilizations, and they drop in protection range of the present utility model equally.
Claims (9)
1. electric power is to a family optical cable, and it includes three electric units and at least one light unit, and electric unit twists together in the mode of one-way spiral or puts together in parallel to each other in tangent between two mode; It is characterized in that light unit is arranged in the external series gap of adjacent electric unit, the outside of electric unit and light unit is coated with restrictive coating; Electric unit is made up of the insulating barrier that is positioned at conductor and be coated on outside conductor; Light unit by body, be arranged in body both sides and the supporter that is integrally formed with body, the reinforcement that is arranged in the fiber unit of body and is positioned at supporter form; Restrictive coating is cylinder or Elliptic Cylinder shape.
2. a kind of electric power according to claim 1, to family optical cable, is characterized in that the outside of described electric unit and light unit also has protective layer, and restrictive coating is positioned at outside protective layer.
3. according to claim
2described a kind of electric power, to family optical cable, is characterized in that described protective layer is waterstop or nonwoven fabrics or aluminium strip or steel band or glass fiber tape.
4.
according to a kind of cable for power pipe described in claim 1-3 any one,it is characterized in that described body is rectangular shape; Described supporter is rectangular shape.
5. a kind of electric power according to claim 4 is to family optical cable, and the value that it is characterized in that the height H of described smooth unit is 3.0 ± 0.2mm; The value of the width W of light unit is 2.0 ± 0.2mm.
6. a kind of electric power according to claim 5 is to family optical cable, and the diameter that it is characterized in that described reinforcement is 0.25～0.6mm.
7. a kind of electric power according to claim 6 is to family optical cable, and the material that it is characterized in that described reinforcement is that glass fibre increases reinforced plastics or aramid yarn or steel wire.
8. a kind of electric power according to claim 7 is to family optical cable, and the material that it is characterized in that described body and supporter is all polyvinyl chloride or flame-proof polyethylene or low smoke and zero halogen polyethylene; Described fiber unit is the pencil body of simple optical fiber or multifiber formation or the fibre ribbon that multifiber forms; The material of described conductor is copper or aluminium or magnesium alloy or almag or copper cover aluminum; The material of described insulating barrier is polyvinyl chloride or high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene.
9. a kind of electric power according to claim 8 is to family optical cable, and the another both sides that it is characterized in that described body connect and on edge, also have tearing port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420271510.8U CN203882724U (en) | 2014-05-26 | 2014-05-26 | Optical fiber for Power Fiber To The Home |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420271510.8U CN203882724U (en) | 2014-05-26 | 2014-05-26 | Optical fiber for Power Fiber To The Home |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203882724U true CN203882724U (en) | 2014-10-15 |
Family
ID=51683199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420271510.8U Expired - Fee Related CN203882724U (en) | 2014-05-26 | 2014-05-26 | Optical fiber for Power Fiber To The Home |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203882724U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103971850A (en) * | 2014-05-26 | 2014-08-06 | 戴丽芬 | Optical cable for transmitting electric power to home |
| CN110242052A (en) * | 2019-05-30 | 2019-09-17 | 诸暨市辉煌五金有限公司 | Split type vibratory concrete device |
-
2014
- 2014-05-26 CN CN201420271510.8U patent/CN203882724U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103971850A (en) * | 2014-05-26 | 2014-08-06 | 戴丽芬 | Optical cable for transmitting electric power to home |
| CN103971850B (en) * | 2014-05-26 | 2016-07-06 | 国网山东省电力公司莱芜供电公司 | A kind of electric power is to family optical cable |
| CN110242052A (en) * | 2019-05-30 | 2019-09-17 | 诸暨市辉煌五金有限公司 | Split type vibratory concrete device |
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| 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: 20141015 Termination date: 20180526 |
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| CF01 | Termination of patent right due to non-payment of annual fee |