CN107039924A - Three core cable tracting head and its installation method - Google Patents
Three core cable tracting head and its installation method Download PDFInfo
- Publication number
- CN107039924A CN107039924A CN201710334202.3A CN201710334202A CN107039924A CN 107039924 A CN107039924 A CN 107039924A CN 201710334202 A CN201710334202 A CN 201710334202A CN 107039924 A CN107039924 A CN 107039924A
- Authority
- CN
- China
- Prior art keywords
- conductor
- mating holes
- outer tube
- screw thread
- cable
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/013—Sealing means for cable inlets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/02—Cable terminations
- H02G15/04—Cable-end sealings
- H02G15/043—Cable-end sealings with end caps, e.g. sleeve closed at one end
- H02G15/046—Cable-end sealings with end caps, e.g. sleeve closed at one end with bores or protruding portions allowing passage of cable conductors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/02—Cable terminations
- H02G15/06—Cable terminating boxes, frames or other structures
- H02G15/076—Cable terminating boxes, frames or other structures for multi-conductor cables
Landscapes
- Cable Accessories (AREA)
Abstract
The invention discloses a kind of three core cable tracting head, including expose the end of the three-core cable of cable core conductor, in addition to：Three conductor casings, three cable core conductors load in conductor casing and compacted conductor sleeve pipe, and conductor casing is equipped with the first external screw thread；The first mating holes is provided with one O-shaped elastic tape, the O-shaped elastic tape, the end for having crimped conductor casing is each passed through one first mating holes；The second mating holes is provided with one conductor pad, the conductor pad, the end for being cased with O-shaped elastic tape is each passed through one second mating holes；Three nuts, three nuts are spirally connected and are tightened on the first external screw thread respectively；One traction cap, the left part of the traction cap is screwed onto on second external screw thread, has a stretch ring to be connected on the right-hand member of the traction cap.It is an advantage of the invention that：It is connected firmly, and moisture can be prevented effectively from and enters inside cable.The invention also discloses a kind of three core cable tracting head installation method.
Description
Technical field
The present invention relates to technical field of electric power construction, more particularly, to a kind of three core cable tracting head.The invention further relates to
A kind of three core cable tracting head installation method.
Background technology
With the quickening of urban construction process, cable run progressively instead of overhead transmission line in the power distribution network in city, into
The principal mode conveyed for urban electric power.Because southern area level of ground water is higher, easily there is core with traditional system of laying
Phenomenon, cable core intake once intaking, electric effect is climbed because moisture is influenceed to be formed inside insulating barrier by electric charge after putting into operation
Region power outage should be caused so as to cable insulation be caused to puncture.Therefore, the weak link in existing system of laying is changed,
Preventing core water inlet turns into southern area Electric Power Construction Enterprises urgent problem to be solved.
Existing three core cable tracting head is relatively simple for structure, easy to make, be essentially all by traction cap and cable outside
Sheath seam crossing welds and puts heat-shrinkable T bush waterproof.It is more advanced, it is in drawing head and cable floor stripping or not layer stripping contact
Locate coating glass glue, add one layer of waterproof layer.These designs have certain water resistance, water level preferable to execution conditions
Relatively low, dry occasion can meet requirement completely, but higher to execution conditions more severe occasion or level of ground water
Southern area, laid due to many using no-dig technique large span push pipes, frequent residual moisture in push pipe, using routinely old technique system
The cable drawing head of work, is easily drawn bad, heat-shrinkable T bush waterproof layer and glass cement waterproof layer may all be destroyed, and cause cable
Termination intakes.
The content of the invention
The deficiency existed for above-mentioned prior art, it is an object of the invention to provide a kind of three core cable tracting head, it has
It is connected firmly, and the characteristics of moisture is into cable inside can be prevented effectively from.Led the invention also discloses a kind of three-core cable
Leader installation method.
To achieve these goals, the technical solution adopted in the present invention is：
Three core cable tracting head, including expose the end of the three-core cable of cable core conductor, the three core cable tracting head
Also include：
Three conductor casings, three cable core conductors being respectively charged into three conductor casings and using hydraulic tongs from left to right
Compacted conductor sleeve pipe, the right-hand member of conductor casing is equipped with the first external screw thread；
3 the first mating holes are provided with one O-shaped elastic tape, the O-shaped elastic tape, the end of conductor casing have been crimped from a left side
One first mating holes is each passed through to the right side；
The second mating holes matched with 3 the first mating holes is provided with one conductor pad, the conductor pad, O-shaped rubber is cased with
The end of apron is each passed through one second mating holes from left to right；
Three nuts, three nuts are spirally connected and are tightened on the first external screw thread respectively, and nut is respectively positioned on the outer tube
The right side of right side, and the right side contact position of nut and the first externally threaded contact position and nut and the outer tube applies
There is glass glue；
The traction cap that one left part is cylindrical in shape, right-hand member is in cone, the left part of the traction cap is screwed onto the second outer spiral shell
On line, and there is a stretch ring to be connected on the right-hand member of the traction cap；And
The contact position of the traction cap and the outer tube is cased with heat-shrinkable T bush, the outside winding armoring tape and waterproof of heat-shrinkable T bush
Adhesive tape.
The installation method of three core cable tracting head, comprises the following steps successively：
S1：The end of three-core cable is stripped respectively and exposes respective cable core conductor；
S2：Three conductor casings are taken, respectively by three cable core conductors loading conductor casing from left to right, liquid are then used
Pressing tongs is compressed, and the right-hand member of conductor casing is provided with the first external screw thread；
S3：An O-shaped elastic tape is taken, 3 the first mating holes are provided with the O-shaped elastic tape, the electricity of conductor casing will have been crimped
Cable end is each passed through one first mating holes from left to right；
S4：A conductor pad is taken, the second mating holes matched with 3 the first mating holes is provided with the conductor pad, will be covered
The end for having O-shaped elastic tape is each passed through one second mating holes from left to right；
S5：An outer tube is taken, the right part of the outer tube is provided with second external screw thread, the right-hand member closing of the outer tube and the right side
The 3rd mating holes matched with 3 the second mating holes is provided with end face, will be cased with the end of O-shaped elastic tape and conductor pad from
Left-to-right is each passed through one the 3rd mating holes, and O-shaped elastic tape and conductor pad are respectively positioned in the outer tube；
S6：3 nuts are taken, is spirally connected and is tightened on the first external screw thread respectively, nut is respectively positioned on the right side of the outer tube
Right side, and the right side contact position of nut and the first externally threaded contact position and nut and the outer tube is coated with glass
Glue；
S7：Take that a left part is cylindrical in shape, right-hand member in cone traction cap, by the left part of the traction cap be screwed onto this
On two external screw threads, then, a stretch ring is connected on the right-hand member of the traction cap；
S8：The heat-shrinkable T bush on the contact position set of the traction cap and the outer tube, and the outside winding armouring of heat-shrinkable T bush
Band and adhesive waterproof tape.
Spring shim and plain cushion are provided between the right side of the nut and the outer tube.
The glass glue is two-component polysulfide sealant.
The invention has the advantages that compared with the prior art,：It is connected firmly, and moisture can be prevented effectively from and enters electricity
Inside cable.When in use, tractive force is acted on the core rather than oversheath of cable the three core cable tracting head of the present invention, can
, there is the situation that oversheath is scratched by hard thing in laid processes in the effective integrality for ensureing cable jacket, damages
Area also will not be because tractive force is acted on and further expands.Meanwhile, the inside and outside of drawing head is respectively provided with waterproof construction, can lay electricity
Effectively prevent moisture from entering inside cable during cable.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples：
Fig. 1 is the step S1 of the installation method of the three core cable tracting head of embodiments of the invention schematic perspective view；
Fig. 2 is the step S2 of the installation method of the three core cable tracting head of embodiments of the invention schematic perspective view；
Fig. 3-1 is the step S3 of the installation method of the three core cable tracting head of embodiments of the invention schematic perspective view；
Fig. 3-2 is the O-shaped rubber used in the step S4 of the installation method of the three core cable tracting head of embodiments of the invention
The schematic perspective view of apron；
Fig. 4 is the step S4 of the installation method of the three core cable tracting head of embodiments of the invention schematic perspective view；
Fig. 5-1 is the step S5 of the installation method of the three core cable tracting head of embodiments of the invention schematic perspective view；
Fig. 5-2 is the outer tube used in the step S5 of the installation method of the three core cable tracting head of embodiments of the invention
Schematic perspective view；
Fig. 6 is the step S6 of the installation method of the three core cable tracting head of embodiments of the invention schematic perspective view；
Fig. 7-1 and Fig. 7-2 is the vertical of the step S7 of the installation method of the three core cable tracting head of embodiments of the invention
Body schematic diagram.
In figure：
10th, end, 11, cable core conductor；
20th, conductor casing, the 21, first external screw thread；
30th, hydraulic tongs；
40th, O-shaped elastic tape, the 41, first mating holes；
50th, conductor pad, the 51, second mating holes；
60th, outer tube, the 61, the 3rd mating holes, the 62, second external screw thread；
70th, nut；
80th, traction cap；
90th, stretch ring.
Embodiment
Embodiment, the installation method of three core cable tracting head, comprises the following steps successively：
S1：With reference to shown in Fig. 1, the end 10 of three-core cable is stripped to the cable core conductor for exposing respective metal material respectively
11。
S2：With reference to shown in Fig. 2, three conductor casings 20 are taken, respectively the loading of three cable core conductors 11 from left to right are led
In body sleeve pipe 20, then compressed with hydraulic tongs 30, the right-hand member of conductor casing 20 is provided with the first external screw thread 21.First external screw thread 21 can
To be formed and be located at outside the cable core conductor 11 exposed by way of compacting.
S3：With reference to shown in Fig. 3-1 and Fig. 3-2, an O-shaped elastic tape 40 is taken, being provided with 3 first on the O-shaped elastic tape 40 matches somebody with somebody
Close hole 41.Obviously, this 3 the first mating holes 41 are preferably distributed in equilateral triangle.The end of conductor casing 20 will be crimped
10 are each passed through one first mating holes 41 from left to right.
S4：With reference to shown in Fig. 4, a conductor pad 50 is taken, is provided with and matches with 3 the first mating holes 41 in the conductor pad 50
The second mating holes 51.That is, the first mating holes 41 and the second mating holes 51 can be aligned two-by-two.O-shaped elastic tape 40 will be cased with
End 10 is each passed through one second mating holes 51 from left to right.
S5：With reference to shown in Fig. 5-1 and Fig. 5-2, an outer tube 60 is taken, the right part of the outer tube 60 is provided with the outer spiral shell of second
The 3rd mating holes 61 matched with 3 the second mating holes 51 is provided with line 62, the right-hand member closing of the outer tube 60 and right side.
That is, the 3rd mating holes 61 and the second mating holes 51 can be aligned two-by-two.The cable of O-shaped elastic tape 40 and conductor pad 50 will be cased with
First 10 are each passed through one the 3rd mating holes 61 from left to right, and O-shaped elastic tape 40 and conductor pad 50 are respectively positioned on the outer tube 60
It is interior.Now, the expansion fire resistance characteristic of O-shaped elastic tape 40 can prevent moisture from entering core by coupling part.
S6：With reference to shown in Fig. 6,3 nuts 70 are taken, is spirally connected and is tightened on the first external screw thread 21 respectively, the equal position of nut 70
Right side in the right side of the outer tube 60, and the contact position of the external screw thread 21 of nut 70 and first and nut 70 and the outer tube
60 right side contact position is coated with glass glue (not shown on figure).Glass glue is two-component polysulfide sealant.In addition,
It is more firm for connection, it is preferably provided with spring shim and plain cushion between the right side of nut 70 and the outer tube 60.
S7：With reference to shown in Fig. 7-1 and Fig. 7-2, the traction cap 80 that a left part is cylindrical in shape, right-hand member is in cone is taken, by this
The left part of traction cap 80 is screwed onto on second external screw thread 62.Then, a stretch ring 90 is connected to the right side of the traction cap 80
On end.
S8：Heat-shrinkable T bush (not shown on figure) on the contact position set of the traction cap 80 and the outer tube 60, and thermal shrinkable sleeve
The outside winding armoring tape (not shown on figure) of pipe and adhesive waterproof tape (not shown on figure).
The three core cable tracting head formed by above step, including expose the cable of the three-core cable of cable core conductor 11
First 10.The three core cable tracting head also includes：Three conductor casings 20, an O-shaped elastic tape 40, a conductor pad 50, three spiral shells
Cap 70, a left part are cylindrical in shape and right-hand member is in parts such as the traction caps 80 of cone.
More specifically：
Three cable core conductors 11 being respectively charged into three conductor casings 20 and being compressed with hydraulic tongs 30 and lead from left to right
Body sleeve pipe 20, the right-hand member of conductor casing 20 is equipped with the first external screw thread 21.
3 the first mating holes 41 are provided with the O-shaped elastic tape 40, the end 10 of conductor casing 20 have been crimped from left to right
It is each passed through one first mating holes 41.
The second mating holes 51 matched with 3 the first mating holes 41 is provided with the conductor pad 50, O-shaped elastic tape 40 is cased with
End 10 be each passed through one second mating holes 51 from left to right.
Three nuts 70 are spirally connected and are tightened on the first external screw thread 21 respectively, and nut 70 is respectively positioned on the right side of the outer tube 60
The right side of end face, and the right side contact position of the contact position of the external screw thread 21 of nut 70 and first and nut 70 and the outer tube 60
It is coated with glass glue.
The left part of the traction cap 80 is screwed onto on second external screw thread 62, and has a stretch ring 90 to be connected to the traction cap
On 80 right-hand member.
In addition：
The contact position of the traction cap 80 and the outer tube 60 is cased with heat-shrinkable T bush, the outside winding armoring tape of heat-shrinkable T bush and
Adhesive waterproof tape.
So, when in use, tractive force is acted on the core rather than oversheath of cable the three core cable tracting head, can
, there is the situation that oversheath is scratched by hard thing in laid processes in the effective integrality for ensureing cable jacket, damages
Area also will not be because tractive force is acted on and further expands.Meanwhile, the inside and outside of drawing head is respectively provided with waterproof construction, can lay electricity
Effectively prevent moisture from entering inside cable during cable.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize
Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, be included within the scope of the present invention.
Claims (4)
1. three core cable tracting head, including expose the end (10) of the three-core cable of cable core conductor (11), it is characterised in that：Institute
Stating three core cable tracting head also includes：
Three conductor casings (20), three cable core conductors (11) from left to right be respectively charged into three conductor casings (20) and
With hydraulic tongs (30) compacted conductor sleeve pipe (20), the right-hand member of conductor casing (20) is equipped with the first external screw thread (21)；
3 the first mating holes (41) are provided with one O-shaped elastic tape (40), the O-shaped elastic tape (40), conductor casing (20) has been crimped
End (10) be each passed through one first mating holes (41) from left to right；
The second mating holes matched with 3 the first mating holes (41) is provided with one conductor pad (50), the conductor pad (50)
(51) end (10) for, being cased with O-shaped elastic tape (40) is each passed through one second mating holes (51) from left to right；
Three nuts (70), three nuts (70) are spirally connected and are tightened on the first external screw thread (21) respectively, nut (70) position
Right side in the right side of the outer tube (60), and the contact position and nut (70) of nut (70) and the first external screw thread (21) and
The right side contact position of the outer tube (60) is coated with glass glue；
One left part is cylindrical in shape, right-hand member in cone traction cap (80), the left part of the traction cap (80) be screwed onto this second
On external screw thread (62), and there is a stretch ring (90) to be connected on the right-hand member of the traction cap (80)；And
The contact position of the traction cap (80) and the outer tube (60) is cased with heat-shrinkable T bush, the outside winding armoring tape of heat-shrinkable T bush and
Adhesive waterproof tape.
2. the installation method of three core cable tracting head, comprises the following steps successively：
S1：The end (10) of three-core cable is stripped respectively and exposes respective cable core conductor (11)；
S2：Three conductor casings (20) are taken, the loading conductor casing (20) by three cable core conductors (11) from left to right is interior respectively,
Then compressed with hydraulic tongs (30), the right-hand member of conductor casing (20) is provided with the first external screw thread (21)；
S3：An O-shaped elastic tape (40) is taken, 3 the first mating holes (41) is provided with the O-shaped elastic tape (40), conductor will have been crimped
The end (10) of sleeve pipe (20) is each passed through one first mating holes (41) from left to right；
S4：A conductor pad (50) is taken, second matched with 3 the first mating holes (41) is provided with the conductor pad (50) and is coordinated
Hole (51), one second mating holes (51) is each passed through by the end (10) for being cased with O-shaped elastic tape (40) from left to right；
S5：An outer tube (60) is taken, the right part of the outer tube (60) is provided with second external screw thread (62), the outer tube (60)
The 3rd mating holes (61) matched with 3 the second mating holes (51) is closed and be provided with right side to right-hand member, will be cased with O-shaped elastic tape
And the end (10) of conductor pad (50) is each passed through one the 3rd mating holes (61), and O-shaped elastic tape from left to right (40)
(40) it is respectively positioned on conductor pad (50) in the outer tube (60)；
S6：3 nuts (70) are taken, is spirally connected and is tightened on the first external screw thread (21) respectively, nut (70) is respectively positioned on the outer tube
(60) right side of right side, and the contact position and nut (70) and the outer tube of nut (70) and the first external screw thread (21)
(60) right side contact position is coated with glass glue；
S7：The traction cap (80) that a left part is cylindrical in shape, right-hand member is in cone is taken, the left part of the traction cap (80) is screwed onto
On second external screw thread (62), then, on the right-hand member that a stretch ring (90) is connected to the traction cap (80)；
S8：Heat-shrinkable T bush, and the outside winding of heat-shrinkable T bush are put in the contact position of the traction cap (80) and the outer tube (60)
Armoring tape and adhesive waterproof tape.
3. the installation method of three core cable tracting head according to claim 2, it is characterised in that：The nut (70) and should
Spring shim and plain cushion are provided between the right side of outer tube (60).
4. the installation method of three core cable tracting head according to claim 2, it is characterised in that：The glass glue is double
Component polysulfide sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710334202.3A CN107039924A (en) | 2017-05-12 | 2017-05-12 | Three core cable tracting head and its installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710334202.3A CN107039924A (en) | 2017-05-12 | 2017-05-12 | Three core cable tracting head and its installation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107039924A true CN107039924A (en) | 2017-08-11 |
Family
ID=59538186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710334202.3A Pending CN107039924A (en) | 2017-05-12 | 2017-05-12 | Three core cable tracting head and its installation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107039924A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29514563U1 (en) * | 1995-08-30 | 1997-01-16 | Siemens AG, 80333 München | Pulling head for three-core stranded electrical cables |
| CN202737389U (en) * | 2012-08-20 | 2013-02-13 | 浙江万马电缆股份有限公司 | Novel three-core waterproof traction head |
| CN203481717U (en) * | 2013-10-22 | 2014-03-12 | 国家电网公司 | Waterproof cable drawing head |
| CN203481716U (en) * | 2013-10-22 | 2014-03-12 | 国家电网公司 | Drawing head structure |
| CN205921302U (en) * | 2016-07-22 | 2017-02-01 | 杭州华新电力线缆有限公司 | Traction head |
-
2017
- 2017-05-12 CN CN201710334202.3A patent/CN107039924A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29514563U1 (en) * | 1995-08-30 | 1997-01-16 | Siemens AG, 80333 München | Pulling head for three-core stranded electrical cables |
| CN202737389U (en) * | 2012-08-20 | 2013-02-13 | 浙江万马电缆股份有限公司 | Novel three-core waterproof traction head |
| CN203481717U (en) * | 2013-10-22 | 2014-03-12 | 国家电网公司 | Waterproof cable drawing head |
| CN203481716U (en) * | 2013-10-22 | 2014-03-12 | 国家电网公司 | Drawing head structure |
| CN205921302U (en) * | 2016-07-22 | 2017-02-01 | 杭州华新电力线缆有限公司 | Traction head |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107658834A (en) | A kind of combination presetting system transition joint of high-tension cable and its installation method | |
| CN103178482B (en) | A kind of cable is around packet mode joint and preparation method thereof | |
| CN203481717U (en) | Waterproof cable drawing head | |
| CN102623946A (en) | Cable prefabricated intermediate connector and method for mounting conductor shielding covers of cable prefabricated intermediate connector | |
| CN103762015A (en) | Charging pile cable for electromobile charging and plug-in assembly thereof | |
| CN206023168U (en) | A kind of three core high-pressure undersea bottom power cable connector boxes | |
| CN203415725U (en) | Nuclear-power low-voltage-cable terminal-type middle connection structure | |
| CN207398723U (en) | Three core cable tracting head | |
| CN204423965U (en) | A kind of multicore aluminium alloy pre-branched cable | |
| CN101777706A (en) | Cable reducer conductor connecting structure for nuclear power plant | |
| CN203415286U (en) | Nuclear-power low-voltage-cable straight-through type middle connection structure | |
| CN206834350U (en) | The heteromorphic connector main body of cable intermediate joint and its cable intermediate joint of composition | |
| CN207705751U (en) | A kind of cable intermediate joint | |
| CN203520920U (en) | Charging pile cable for charging of electric automobile and connector assembly of charging pile cable | |
| CN206282642U (en) | A kind of water-proof cable | |
| CN107039924A (en) | Three core cable tracting head and its installation method | |
| CN204967216U (en) | Power cable intermediate head sealing device | |
| CN204885746U (en) | Transition joint who connects electrical equipment binding post and external conductor | |
| CN209072035U (en) | A kind of waterproof and grease proofing Wiring nose | |
| CN209029896U (en) | One kind is around packet mode transition joint | |
| CN202949202U (en) | Main body of intermediate connector of cross-linked cable and novel intermediate connector formed by same | |
| CN202474790U (en) | Prefabricated intermediate joint for cable | |
| CN105680391A (en) | Strain clamp for composite-core reinforced cable | |
| CN214479531U (en) | High-voltage shielding cable for new energy automobile | |
| CN219626899U (en) | Waterproof joint for aluminum wire shielding aluminum core cable |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170811 |