CN201576923U - Cable branch connector - Google Patents
Cable branch connector Download PDFInfo
- Publication number
- CN201576923U CN201576923U CN2009202230290U CN200920223029U CN201576923U CN 201576923 U CN201576923 U CN 201576923U CN 2009202230290 U CN2009202230290 U CN 2009202230290U CN 200920223029 U CN200920223029 U CN 200920223029U CN 201576923 U CN201576923 U CN 201576923U
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- China
- Prior art keywords
- cable
- tail pipe
- patchhole
- housing
- insulating body
- 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 - Lifetime
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Abstract
The utility model relates to a cable branch connector comprising a plurality of inner cone plug cable terminals and corresponding branch sockets, a shell, and a metal protective layer, wherein the branch socket comprises an insulation main body. A touch seat with a formed insert cavity is pre-embedded in the insulation main body; the contact seat is electrically connected with the inner cone plug cable terminal through the insert cavity. One formed end in the insulation main body is communicated with the insert cavity, and the other end is communicated with an insulation inner cavity which is used for inserting the inner cone plug cable terminal and is connected with an end surface of the insulation main body. The shell is arranged outside the insulation main body; the metal protective layer is arranged between the insulation main body and the shell; an insulating elastic water-proof layer is arranged between the shell and the metal protective layer. For the utility model, the elastic water-proof layer between the shell and the metal protective layer can achieve purposes of preventing water and protecting the metal protective layer; the reliability of the cable branch connector is improved.
Description
Technical field
The utility model relates to a kind of high-tension cable branch joint, specifically a kind of high voltage power cable dry type " Y " type cable branch joint.
Background technology
Development along with China's power construction, the input that the town and country electric power networks is built strengthens, and more and more to the demand of power cable, particularly the demand of 66kV and above power cable increases especially day by day, for this reason, correspondingly there is the impetus of increasing sharply in the use amount of 66kV and above high-tension cable branch joint.The use of cable branch joint can be satisfied cable one in connecting to advance to have more, advance more one and go out and advance more the complicated occasion that has more.Chinese patent literature CN201303244Y has proposed a kind of high voltage power cable dry type " Y " shape branch joint, be provided with screen in the housing, insulating body, touch base constitutes adapter body, the outer outer surface of housing is sprayed with the insulation sheath, it is corresponding with three cable plug unit that touch base is provided with three mount pads, each cable plug unit is an Installation Stress awl on the cable, wedge shape tube and occluder are installed on the core of cable, the stop cover, stress cone is bored jacking tightly on the inner conical surface of adapter body by spring, wedge shape tube and occluder are inserted in the mount pad, and adapter body is equipped with the tail pipe corresponding with cable outward.This utility model is a kind of volume high voltage power cable dry type " Y " shape branch joint little, in light weight, easy for installation, that need not fill any insulation pouring agent, waterproof, protection against the tide, anti-mechanical damage.But in use also there are the following problems: 1, the screen of this utility model is close to the housing setting, extraneous moisture infiltrates easily in the housing screen is corroded, reduce the useful life of screen, and when housing is subjected to extraneous impact, the screen of being close to the housing setting can be with housing distortion or breakage, the shield effectiveness of screen is affected, and causes being subjected to external interference by the signal of cable branch joint; 2, the housing of this utility model does not extend to tail pipe, makes tail pipe exposed outside, and exposed tail pipe is subjected to extraneous blastic deformation breakage and the moisture in air and the surrounding environment easily and makes moist and get rusty, and causes the tail pipe Durchgangshohle, and tail pipe reduces useful life.The problems referred to above make that the reliability of inner cone plug cable terminal of the prior art is not high.
The utility model content
For this reason, technical problem to be solved in the utility model is that the screen in the cable branch joint of the prior art is close to the housing setting and causes in use making moist easily and get rusty and damaged and influence the problem of shield effectiveness, and a kind of cable branch joint that is provided with elastic waterproof layer between housing and screen is provided.
For solving the problems of the technologies described above, a kind of cable branch joint of the present utility model, comprise several inner cone plug cable terminals and corresponding branch socket, wherein said branch socket comprises insulating body, be embedded with in the described insulating body and form the fingertip seat that inserts the chamber, described fingertip seat is electrically connected with described inner cone plug cable terminal by described insertion chamber; Form an end in the described insulating body and communicate, the insulation inner chamber that the described inner cone plug of the confession that the other end links to each other with an end face of described insulating body cable terminal inserts with described insertion chamber; Be arranged on the housing of described insulating body outside, and be arranged at the metal sheath between described insulating body and the described housing, be provided with the insulation elastic waterproof layer between described housing and the described metal sheath.
Above-mentioned cable branch joint, described inner cone plug cable terminal comprises cable, has stress cone for the inner chamber of the heart yearn of described cable insulating barrier external diameter coupling that pass and described cable, be arranged on the tail pipe of described stress cone bottom, described tail pipe has for described cable and stretches into following perforation in the inner chamber of described stress cone, is arranged on the fingertip on the described cable core that stretches out from the interior accent at described stress cone top.
Above-mentioned cable branch joint, described housing is formed by the several sections butt joint that separates, and described housing extends to the tail pipe end of described inner cone plug cable terminal, in described tail pipe is wrapped in, the pairing described housing of the following perforation of described tail pipe is provided with the cable patchhole, the abutment joint place of described housing forms half hole corresponding with described cable patchhole, and half hole of described two correspondences constitutes complete described cable patchhole.
Above-mentioned cable branch joint, described insulation elastic waterproof layer extends to described tail pipe end.
Above-mentioned cable branch joint, described fingertip is a spring touch finger, other has the groove conductor on the heart yearn that is arranged on the described cable that stretches out from the interior accent at described stress cone top, place, the axle center of described groove conductor forms the patchhole that the heart yearn for described cable passes through, and described groove conductor dbus is crossed described patchhole and is electrically connected with the heart yearn of described cable, form several annular grooves on the outer wall of described groove conductor, described spring touch finger is arranged in the described annular groove.
Above-mentioned cable branch joint, the cross section profile of described annular groove comprises a segmental arc at least, the curvature of corresponding segmental arc is consistent on the curvature of described segmental arc and the spiral coil of described spring touch finger.
Above-mentioned cable branch joint, the integral body of the cross section profile of described annular groove are a segmental arc.
Above-mentioned cable branch joint, form annular insertion groove on the end face of described stress cone top, the top of described stress cone is provided with grading ring, described grading ring comprises circular top and the cylindrical sidewall that stretches out from the lateral margin of described circular top downwards, forming suitable described heart yearn on the described circular top passes, the hole of internal diameter and described heart yearn external diameter coupling, described cylindrical sidewall inserts in the described annular insertion groove fully.
Above-mentioned cable branch joint, surface on the described grading ring and the intersection between the surface are with arc transition.
Above-mentioned cable branch joint, the patchhole of described groove conductor is tapered, also be provided with hold-down ring in the described patchhole, the outer wall of described hold-down ring contacts with the cooperation of the inwall of described patchhole, the outer wall cooperation of the heart yearn of the described cable that the inwall of described hold-down ring is interior with inserting described hold-down ring contacts, the lower surface of described hold-down ring is against on the upper surface of described circular top of described grading ring, the afterbody of described stress cone also is provided with the awl holder, described awl holder outer wall is provided with flange, described inner wall of liner is provided with step, is provided with several stage clips between described flange and the described step.
Above-mentioned cable branch joint, the end face of the inner chamber of described insulating body is provided with screwed hole, form the bolt-inserting hole that several match with described screwed hole on the end face at described tail pipe top, described tail pipe is fastened on the described insulating body by screwing in bolt.
Above-mentioned cable branch joint, described tail pipe is provided with earth connection, and the pairing described housing of described earth connection is provided with the earth connection fairlead.
Technique scheme of the present utility model has the following advantages compared to existing technology, 1, is provided with the insulation elastic waterproof layer between housing and the metal sheath, can prevent from the extraneous moisture infiltration housing metal sheath to be corroded, reduce the useful life of metal sheath, also can prevent simultaneously when housing is subjected to extraneous impact, the metal sheath of being close to the housing setting can be with housing distortion or breakage, make the shield effectiveness of metal sheath be affected, disturb signal through cable branch joint inside; 2, tail pipe all is wrapped in the housing, and makes the insulation elastic waterproof layer extend to the tail pipe end, can realize tail pipe is protected reliably, avoids the corrosion and the extraneous impact of moisture, has improved the reliability of cable branch joint.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, according to specific embodiment of the utility model also in conjunction with the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 be cable branch joint of the present utility model partly cut open schematic diagram;
Fig. 2 be another embodiment the inner cone plug cable terminal that is used for cable branch joint partly cut open schematic diagram.
Reference numeral is expressed as among the figure: 1-insulating body, 2-fingertip seat, 3-housing, 4-metal sheath, 5-insulation elastic waterproof layer, 6-cable, 7-stress cone, 8-tail pipe, 9-spring touch finger, 10-groove conductor, 11-annular groove, 12-grading ring, 13-hold-down ring, the holder of 14-awl, 15-stage clip, 16-earth connection, 17-earth connection fairlead, 18-heart yearn, 19-cable patchhole.
Embodiment
As shown in Figure 1, a kind of cable branch joint of present embodiment, comprise several inner cone plug cable terminals and corresponding branch socket, wherein said branch socket comprises insulating body 1, be embedded with in the described insulating body 1 and form the fingertip seat 2 that inserts the chamber, described fingertip seat 2 is electrically connected with described inner cone plug cable terminal by described insertion chamber; Form an end in the described insulating body 1 and communicate, the insulation inner chamber that the described inner cone plug of the confession that the other end links to each other with an end face of described insulating body 1 cable terminal inserts with described insertion chamber; Be arranged on the housing 3 of described insulating body 1 outside, and be arranged at metal sheath 4 between described insulating body 1 and the described housing 3, described metal sheath 4 can play shielding action, has certain mechanical performance again, in order to prevent that extraneous moisture from infiltrating in the described housing 3 described metal sheath 4 is corroded, reduce the useful life of described metal sheath 4, prevent simultaneously when described housing 3 is subjected to extraneous impact, the described metal sheath 4 of being close to described housing 3 settings can be with described housing 3 distortion or damaged, make the shield effectiveness of described metal sheath 4 be affected, so between described housing 3 and described metal sheath 4, be provided with insulation elastic waterproof layer 5.Described inner cone plug cable terminal comprises cable 6, has stress cone 7 for the inner chamber of the insulating barrier external diameter coupling of heart yearn 18 cables 6 that pass and described of described cable 6, be arranged on the tail pipe 8 of described stress cone 7 bottoms, described tail pipe 8 has for described cable 6 and stretches into following perforation in the inner chamber of described stress cone 7, is arranged on the fingertip on described cable 6 heart yearns 18 that stretch out from the interior accent at described stress cone 7 tops.Described housing 3 is formed by the several sections butt joint that separates, and described housing 3 extends to described tail pipe 8 ends of described inner cone plug cable terminal, in described tail pipe 8 is wrapped in, the pairing described housing 3 of the following perforation of described tail pipe 8 is provided with cable patchhole 19, the abutment joint place of described housing 3 forms half hole corresponding with described cable patchhole 19, and half hole of described two correspondences constitutes complete described cable patchhole 19.Described insulation elastic waterproof layer 5 extends to described tail pipe 8 ends.Described tail pipe 8 all is wrapped in the housing 3, and makes described insulation elastic waterproof layer 5 extend to tail pipe 8 ends, can realize tail pipe 8 is protected reliably, avoids the corrosion and the extraneous impact of moisture, has improved the reliability of cable branch joint.In the present embodiment, described fingertip is a spring touch finger 9, other has the groove conductor 10 on the heart yearn 18 that is arranged on the described cable 6 that stretches out from the interior accent at described stress cone 7 tops, place, the axle center of described groove conductor 10 forms the patchhole that the heart yearn 18 for described cable 6 passes through, and described groove conductor 10 is electrically connected with the heart yearn 18 of described cable 6 by described patchhole, form several annular grooves 11 on the outer wall of described groove conductor 10, described spring touch finger 9 is arranged in the described annular groove 11.In order to make spring touch finger 9 fully contact with described annular groove 11, thereby increase the contact point of spring touch finger 9 and described annular groove 11, improve electric through-current capability, the cross section profile of described annular groove 11 comprises a segmental arc at least, and the curvature of corresponding segmental arc is consistent on the spiral coil of the curvature of described segmental arc and described spring touch finger 9.In the present embodiment, the integral body of the cross section profile of described annular groove 11 is a segmental arc.The top of described stress cone 7 is provided with grading ring 12.The patchhole of described groove conductor 10 is tapered, also be provided with hold-down ring 13 in the described patchhole, the outer wall of described hold-down ring 13 contacts with the cooperation of the inwall of described patchhole, the inwall of described hold-down ring 13 cooperates with the outer wall of heart yearn 18 of described cable 6 in inserting described hold-down ring 13 and contact, and the afterbody of described stress cone 7 also is provided with the spring awl and holds in the palm.The end face of the inner chamber of described insulating body 1 is provided with screwed hole, forms the bolt-inserting hole that several match with described screwed hole on the end face at described tail pipe 8 tops, by screwing in bolt described tail pipe 8 is fastened on the described insulating body 1.Described tail pipe 8 is provided with earth connection 16, and described earth connection 16 pairing described housings 3 are provided with earth connection fairlead 17.
As shown in Figure 2, the inner cone plug cable terminal that is used for cable branch joint among another embodiment, form annular insertion groove on the described stress cone 7 top end faces, the top of described stress cone 7 is provided with grading ring 12, described grading ring 12 comprises circular top and the cylindrical sidewall that stretches out from the lateral margin of described circular top downwards, forming suitable described heart yearn 18 on the described circular top passes, the hole of internal diameter and described heart yearn 18 external diameters coupling, described cylindrical sidewall inserts in the described annular insertion groove fully, thereby eliminate the space between described grading ring 12 circular top lower surfaces and the described stress cone 7 top end faces, prevent the space discharge.Produce point discharge in order to prevent to exist most advanced and sophisticated on the described grading ring 12, surface on the described grading ring 12 and the intersection between the surface are with arc transition.The patchhole of described groove conductor 10 is tapered, also be provided with hold-down ring 13 in the described patchhole, the outer wall of described hold-down ring 13 contacts with the cooperation of the inwall of described patchhole, the inwall of described hold-down ring 13 cooperates with the outer wall of heart yearn 18 of described cable 6 in inserting described hold-down ring 13 and contacts, the lower surface of described hold-down ring 13 is against on the upper surface of described circular top of described grading ring 12, the afterbody of described stress cone 7 also is provided with awl holder 14, described awl asks 14 outer walls to be provided with flange, described tail pipe 8 inwalls are provided with step, are provided with several stage clips 15 between described flange and the described step.
Obviously, the foregoing description only is for example clearly is described, and is not the qualification to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all execution modes.And conspicuous variation of being extended out thus or change still are among the protection range of the utility model creation.
Claims (12)
1. cable branch joint, comprise several inner cone plug cable terminals and corresponding branch socket, wherein said branch socket comprises insulating body (1), be embedded with in the described insulating body (1) and form the fingertip seat (2) that inserts the chamber, described fingertip seat (2) is electrically connected with described inner cone plug cable terminal by described insertion chamber; Form an end in the described insulating body (1) and communicate, the insulation inner chamber that the described inner cone plug of the confession that the other end links to each other with an end face of described insulating body (1) cable terminal inserts with described insertion chamber; Be arranged on the outside housing (3) of described insulating body (1), and be arranged at metal sheath (4) between described insulating body (1) and the described housing (3), it is characterized in that: be provided with insulation elastic waterproof layer (5) between described housing (3) and the described metal sheath (4).
2. cable branch joint according to claim 1, it is characterized in that: described inner cone plug cable terminal comprises cable (6), has stress cone (7) for the inner chamber of the heart yearn (18) of described cable (6) insulating barrier external diameter coupling that pass and described cable (6), be arranged on the tail pipe (8) of described stress cone (7) bottom, described tail pipe (8) has for described cable (6) and stretches into following perforation in the inner chamber of described stress cone (7), is arranged on the fingertip on described cable (6) heart yearn (18) that stretches out from the interior accent at described stress cone (7) top.
3. cable branch joint according to claim 2, it is characterized in that: described housing (3) is formed by the several sections butt joint that separates, and described housing (3) extends to tail pipe (8) end of described inner cone plug cable terminal, in described tail pipe (8) is wrapped in, the pairing described housing of the following perforation of described tail pipe (8) (3) is provided with cable patchhole (19), the abutment joint place of described housing (3) forms half hole corresponding with described cable patchhole (19), and half hole of described two correspondences constitutes complete described cable patchhole (19).
4. according to each described cable branch joint of claim 1-3, it is characterized in that: described insulation elastic waterproof layer (5) extends to described tail pipe (8) end.
5. according to each described cable branch joint of claim 1-3, it is characterized in that: described fingertip is spring touch finger (9), other has the groove conductor (10) on the heart yearn (18) that is arranged on the described cable (6) that stretches out from the interior accent at described stress cone (7) top, place, the axle center of described groove conductor (10) forms the patchhole that the heart yearn (18) for described cable (6) passes through, and described groove conductor (10) is electrically connected with the heart yearn (18) of described cable (6) by described patchhole, form several annular grooves (11) on the outer wall of described groove conductor (10), described spring touch finger (9) is arranged in the described annular groove (11).
6. cable branch joint according to claim 5 is characterized in that: the cross section profile of described annular groove (11) comprises a segmental arc at least, and the curvature of corresponding segmental arc is consistent on the spiral coil of the curvature of described segmental arc and described spring touch finger (9).
7. cable branch joint according to claim 6 is characterized in that: the integral body of the cross section profile of described annular groove (11) is a segmental arc.
8. cable branch joint according to claim 2, it is characterized in that: form annular insertion groove on the end face of described stress cone (7) top, the top of described stress cone (7) is provided with grading ring (12), described grading ring (12) comprises circular top and the cylindrical sidewall that stretches out from the lateral margin of described circular top downwards, forming suitable described heart yearn (18) on the described circular top passes, the hole of internal diameter and described heart yearn (18) external diameter coupling, described cylindrical sidewall inserts in the described annular insertion groove fully.
9. cable branch joint according to claim 8 is characterized in that: surface on the described grading ring (12) and the intersection between the surface are with arc transition.
10. according to Claim 8 or 9 described cable branch joints, it is characterized in that: the patchhole of described groove conductor (10) is tapered, also be provided with hold-down ring (13) in the described patchhole, the outer wall of described hold-down ring (13) contacts with the cooperation of the inwall of described patchhole, the outer wall cooperation of the heart yearn (18) of the described cable (6) that the inwall of described hold-down ring (13) is interior with inserting described hold-down ring (13) contacts, the lower surface of described hold-down ring (13) is against on the upper surface of described circular top of described grading ring (12), the afterbody of described stress cone (7) also is provided with awl holder (14), described awl holder (14) outer wall is provided with flange, described tail pipe (8) inwall is provided with step, is provided with several stage clips (15) between described flange and the described step.
11. according to claim 2 or 3 described cable branch joints, it is characterized in that: the end face of the inner chamber of described insulating body (1) is provided with screwed hole, form the bolt-inserting hole that several match with described screwed hole on the end face at described tail pipe (8) top, described tail pipe (8) is fastened on the described insulating body (1) by screwing in bolt.
12. according to claim 2 or 3 described cable branch joints, it is characterized in that: described tail pipe (8) is provided with earth connection (16), the pairing described housing of described earth connection (16) (3) is provided with earth connection fairlead (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202230290U CN201576923U (en) | 2009-10-09 | 2009-10-09 | Cable branch connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202230290U CN201576923U (en) | 2009-10-09 | 2009-10-09 | Cable branch connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201576923U true CN201576923U (en) | 2010-09-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202230290U Expired - Lifetime CN201576923U (en) | 2009-10-09 | 2009-10-09 | Cable branch connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201576923U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345989A (en) * | 2013-06-09 | 2013-10-09 | 深圳市沃尔核材股份有限公司 | Casing pipe and method for leading out and sealing cable ground wire through casing pipe |
| CN104993295A (en) * | 2015-06-22 | 2015-10-21 | 成都赋阳技术开发有限公司 | Multi-head electric power connecting device |
| CN105185433A (en) * | 2015-06-28 | 2015-12-23 | 中航光电科技股份有限公司 | Armored cable and cable assembly using same |
| CN105811352A (en) * | 2016-03-03 | 2016-07-27 | 江苏中天科技电缆附件有限公司 | Novel type single-phase cable branch box |
| CN105958425A (en) * | 2016-07-08 | 2016-09-21 | 深圳市沃尔核材股份有限公司 | Branch joint for cable |
| CN110521066A (en) * | 2017-03-28 | 2019-11-29 | 史密斯互连美洲公司 | The connector of moisture seal |
-
2009
- 2009-10-09 CN CN2009202230290U patent/CN201576923U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345989A (en) * | 2013-06-09 | 2013-10-09 | 深圳市沃尔核材股份有限公司 | Casing pipe and method for leading out and sealing cable ground wire through casing pipe |
| CN104993295A (en) * | 2015-06-22 | 2015-10-21 | 成都赋阳技术开发有限公司 | Multi-head electric power connecting device |
| CN104993295B (en) * | 2015-06-22 | 2018-01-30 | 国网江苏省电力公司泗洪县供电公司 | A kind of bull electrical power connection device |
| CN105185433A (en) * | 2015-06-28 | 2015-12-23 | 中航光电科技股份有限公司 | Armored cable and cable assembly using same |
| CN105811352A (en) * | 2016-03-03 | 2016-07-27 | 江苏中天科技电缆附件有限公司 | Novel type single-phase cable branch box |
| CN105958425A (en) * | 2016-07-08 | 2016-09-21 | 深圳市沃尔核材股份有限公司 | Branch joint for cable |
| CN105958425B (en) * | 2016-07-08 | 2018-07-10 | 深圳市沃尔核材股份有限公司 | A kind of cable branch joint |
| CN110521066A (en) * | 2017-03-28 | 2019-11-29 | 史密斯互连美洲公司 | The connector of moisture seal |
| US11362459B2 (en) | 2017-03-28 | 2022-06-14 | Smiths Interconnect Americas, Inc. | Moisture-sealed connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG LONG BULL ELECTRIC CO., LTD. Free format text: FORMER NAME: GUANGDONG CHANGYUAN JISIAN ELECTRIC CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 528000 Guangdong province Foshan Junye Nanhai District of Shishan science and Technology Industrial Park C District No. 12 North Road Patentee after: Guangdong Changniu Electrical Co., Ltd. Address before: 528000 Guangdong province Foshan Junye Nanhai District of Shishan science and Technology Industrial Park C District No. 12 North Road Patentee before: Guangdong Changyuan Jisian Electric Co., Ltd. |
|
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG CHANGNIU ELECTRIC CO., LTD. Free format text: FORMER NAME: GUANGDONG LONG BULL ELECTRIC CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 528000 Guangdong province Foshan Junye Nanhai District of Shishan science and Technology Industrial Park C District No. 12 North Road Patentee after: Guangdong Changniu Electrical Co., Ltd. Address before: 528000 Guangdong province Foshan Junye Nanhai District of Shishan science and Technology Industrial Park C District No. 12 North Road Patentee before: Guangdong Changniu Electrical Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100908 |