CN202655581U - High-vacuum secondary charging precision continuous casting device - Google Patents
High-vacuum secondary charging precision continuous casting device Download PDFInfo
- Publication number
- CN202655581U CN202655581U CN 201220112755 CN201220112755U CN202655581U CN 202655581 U CN202655581 U CN 202655581U CN 201220112755 CN201220112755 CN 201220112755 CN 201220112755 U CN201220112755 U CN 201220112755U CN 202655581 U CN202655581 U CN 202655581U
- Authority
- CN
- China
- Prior art keywords
- vacuum
- continuous casting
- secondary charging
- control system
- draw
- 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
Links
- 238000009749 continuous casting Methods 0.000 title claims abstract description 18
- 238000005266 casting Methods 0.000 claims abstract description 34
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 230000006698 induction Effects 0.000 claims abstract description 16
- 238000002425 crystallisation Methods 0.000 claims abstract description 9
- 239000000919 ceramic Substances 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 23
- 238000000465 moulding Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 10
- 238000013461 design Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 235000004443 Ricinus communis Nutrition 0.000 claims description 3
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 239000007770 graphite material Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- 230000008025 crystallization Effects 0.000 abstract description 3
- 239000002893 slag Substances 0.000 abstract description 3
- 229910045601 alloy Inorganic materials 0.000 abstract description 2
- 239000000956 alloy Substances 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 239000007789 gas Substances 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 229910000510 noble metal Inorganic materials 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000011573 trace mineral Substances 0.000 description 3
- 235000013619 trace mineral Nutrition 0.000 description 3
- 229910001316 Ag alloy Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Crucibles And Fluidized-Bed Furnaces (AREA)
Abstract
The utility model relates to a high-vacuum secondary charging precision continuous casting device, which structurally comprises a main rack, a vacuum casting chamber, a secondary charging device, a cooling crystallization sealing device, a traction device, a control system, a forming crucible and die, an induction coil, a ceramic shell, an upper cover rotating hinge, a sealing device, an observation window, an upper cover locking device, a power switch and casters. The device is compact in structure, safe, convenient and high in operability; and alloy blanks manufactured by the high-vacuum secondary charging precision continuous casting device are melted in a high-vacuum state, and active elements are secondarily added to finish crystallization forming continuous casting under vacuum and gas protection, so that bar stocks, plates and pipes are completely free from shrinkage cavities, slag inclusion and oxidation, and are compact, bar billets and pipe billets with lengths of dozens of meters are continuously obtained, and the standard of ultra thinness in post drawing is reached.
Description
Technical field
The utility model relates to noble metal, and the electronic semi-conductor field relates in particular to for making gold, silver alloy ultrafine diameter line, a kind of high-vacuum secondary feeding precise continuous casting device that used proembryo bar, plate and materials in the tube, materials in the tube are made.
Background technology
Along with China's economy and electronic semi-conductor, precious metals metallurgy industrial expansion, the emergence of the emerging field such as electronic semi-conductor, precious metal smelting, on the market to noble metal such as gold and billon, silver and silver alloy, copper and copper alloy wire manufacturing technology and equipment proposition advance, ultra-fine property and nonoxidizing requirement, IC chip particularly, semiconductor lead also towards ultrafine diameter, bright and clean, without shrinkage cavity, and the aspect development such as oxide-free.Make ultrafine wire; melting and casting under general employing atmosphere or the inert protective gas; and add micro-melting; and often low temperature and the easily oxidation of these trace elements; these mode meltings bar, plate and materials in the tube out are often because oxidation, slag inclusion, bubble etc. are former thereby do not reach to draw and be allocated to myriametre and the ultrafine wire of several microns of diameters at all, have restricted the development of noble metal, electronic semi-conductor's industry.
The utility model content
The purpose of this utility model is the defective that exists in the background technology in order to overcome, provide a kind of safe, convenient, can add at secondary under the high vacuum high-vacuum secondary feeding precise continuous casting device of bar, plate and the materials in the tube of raw material.
The technical solution adopted in the utility model is:
A kind of high-vacuum secondary feeding precise continuous casting device, this device comprise by mainframe, vacuum pressing and casting chamber, secondary charging device, crystallisation by cooling sealing device, draw-gear, control system, moulding crucible and mould, induction coil, ceramic package, loam cake rotary hinge, sealing device, observation window, upper lid lock device, power switch and castor and forming; Described draw-gear comprises and draws rod, regulating handle, draw-gear fixed bar, draws excellent locking device, traction electric machine; Described secondary charging device comprises secondary charging lift cylinder, secondary charging switch, secondary charging funnel, secondary charging guide bar; Described control system comprises heating control panel, system control panel; Described vacuum pressing and casting chamber places the mainframe front upper place, is fixed on the mainframe by strong muscle and screw; Described crystallizer cooling device places between draw-gear and the vacuum pressing and casting chamber; Described control system places the mainframe upper right side; Described moulding crucible and mould place the vacuum pressing and casting chamber interior, are fixed in the crystallizer cooling device; Described induction coil places the indoor moulding crucible of vacuum pressing and casting and mould outside.
Described secondary charging device is realized moving up and down by lowering or hoisting gear, realizes movable sealing with the vacuum pressing and casting chamber.
Described moulding crucible and mould are graphite jigs, and the bottom is flat, seal with passage to contact.
The employing sealing bottom casting chamber of described crystallisation by cooling sealing device contacts, and closeness of contact is regulated with set screw in the bottom, and the bottom discharge mouth adopts movable sealing design maintenance mould and draw rod hermetically sealed.
Described control system is the PLC touch screen control system.
Described secondary charging guide bar adopts graphite material or quartzy material or high-temperature ceramic materials.
Described traction electric machine adopts servomotor.
Described device comprises that also external high-vacuum pump obtains source, loam cake, power switch.
The utility model compact conformation, reasonable in design, air-tightness is good, and secondary charging is achieved.Every data gather entirely; adopt metal bar material, plate and materials in the tube non-oxidation that the utility model produces, without bubble, without slag inclusion, whole matter is close, section bar is complete, yield rate is high; whole process is finished under high vacuum and protective gas; safety reaches the standard of making ultra-thin metal wire, has filled up blank.
Description of drawings:
The continuous rod casting that Fig. 1 provides for the utility model embodiment 1 or front view and the sectional view of pipe;
The continuous rod casting that Fig. 2 provides for the utility model embodiment 1 or the side view of pipe;
The continuous rod casting that Fig. 3 provides for the utility model embodiment 1 or the unlatching figure of pipe.
The specific embodiment:
Describe the utility model in detail below in conjunction with accompanying drawing and specific embodiment, explain the utility model in this illustrative examples of the present utility model and explanation, but not as to restriction of the present utility model.
Embodiment 1:
As shown in Figure 1, 2, 3, a kind of high-vacuum secondary feeding precise continuous casting device, structure comprise mainframe 21, vacuum pressing and casting chamber 24, secondary charging device 25, crystallisation by cooling sealing device 16, draw-gear 22, control system, moulding crucible and mould 4, induction coil 6, ceramic package 5, loam cake rotary hinge 7, sealing device 11, observation window 13, upper lid lock device 14, power switch 19, castor 20; Described draw-gear 22 comprises and draws rod 1, regulating handle 2, draw-gear fixed bar 3, draws excellent locking device 18, traction electric machine 23; Described secondary charging device 25 comprises secondary charging lift cylinder 8, secondary charging switch 9, secondary charging funnel 10, secondary charging guide bar 12; Described control system comprises heating control panel 15, system control panel 17; Described vacuum pressing and casting chamber 24 places mainframe 21 front upper places, is fixed on the mainframe 21 by strong muscle and screw; Described crystallizer cooling device 16 places between draw-gear and the vacuum pressing and casting chamber; Described control system places the mainframe upper right side; Described moulding crucible and mould 4 place 24 inside, vacuum pressing and casting chamber, are fixed in the crystallizer cooling device 16; Described induction coil 6 places vacuum pressing and casting chamber 24 interior moulding crucibles and mould 4 outsides.
Described secondary charging device 25 is realized moving up and down by lowering or hoisting gear, realizes movable sealing with vacuum pressing and casting chamber 24.
Described moulding crucible and mould 4 are graphite jigs, and the bottom is flat, seal with passage to contact.
The employing sealing bottom casting chamber of described crystallisation by cooling sealing device 16 contacts, and closeness of contact is regulated with set screw in the bottom, and the bottom discharge mouth adopts movable sealing design maintenance mould and draw rod 1 hermetically sealed.
Described control system is the PLC touch screen control system.
Described secondary charging guide bar 12 adopts graphite material or quartzy material or high-temperature ceramic materials.
Described traction electric machine 23 adopts servomotor.
Described device comprises that also external high-vacuum pump obtains source, loam cake 26, power switch 19.
Described secondary charging device 25 is fixed in above the loam cake 26, can carry out automatic lifting by control system 15,17 controls.Described crystallizer cooling device 16 places between draw-gear 22 and the vacuum pressing and casting chamber tension force adjustable, the middle connection with sealing ring seals, and described control system 15,17 places the mainframe upper right side, connects the PLC controller in the man-computer interface, the data acquisition center-control, accurately directly perceived.Described moulding crucible and mould 4, place vacuum pressing and casting inner, be fixed in the crystallizer cooling device 16, finish by Forced water cooling and solidify and crystallization, described induction coil 6, place crucible die 4 outsides in the casting chamber, midfeather zirconia crucible furnace lining, adiabatic heat-insulation, induction coil 6 links to each other by controlling in insulated enclosure design and the machine, described induction coil 6 is for the outside induced field that produces of load coil cover and crucible, heats inner moulding crucible and mould.Described vacuum drawn pipeline places main casting chamber left side to link to each other with vacuum and protective gas passage with the clip corrugated metal pipe, realizes that high-air-tightness and vacuum gas permutation function realize passage and sealing.
During work, turn on the power switch 19 and cooling water, source of the gas, vacuum source, open loam cake 26, pack into moulding crucible and mould 4 are opened and are drawn excellent locking device 18, rod 1 is drawn in the moulding of packing into, rod 18 is drawn in locking, and the secondary charging guide bar 12 of packing into cuts out loam cake 26 and locks 14, open observation window 13, put down secondary charging device 25 and contact with at the bottom of moulding crucible and the mould.Add in metal mother metal and the crucible die 4 from observation window, close observation window 13, close secondary charging switch 9, open hopper cover 10, pack into and add trace element, and locking hopper cover 10, the unlatching vacuum is evacuated to-0.3MPA.Stop vacuum, inert gas injecting is to setting value+10KP, open heating control panel 15, by induction coil generation magnetic field and to crucible heating, the vacuum pressing and casting chamber arrives setting value, observe from the touch-screen of system control panel 17, open secondary charging switch 9, inject trace element to crucible bottom, rise secondary charging device 25, additive all injects in the crucible dies and is to inject from the bottom from secondary charging passage 12, approximately treat that metal all melts after 3 minutes, open traction electric machine 23, draw rod 1 this moment and draw downwards slowly that down to draw the metal finished product with per minute 5cm speed excellent, or pipe, treat all to draw the casting end of finishing the work.
What be worth emphasizing is:
1. the cast metal is non-ferrous metal such as gold, silver, copper, reaches alloy in the present embodiment.
2. continuous casting is bar, plate and materials in the tube in the present embodiment, determines by changing moulding crucible and mould.
3. heater is induction coil in the present embodiment, and induction coil links to each other with vacuum pressing and casting chamber 24 and Seal Design, and induction coil is connected with heating control system in the machine by the intermediate conversion post.Plugged, start add that thermal control is high, electric current of intermediate frequency is by behind the induction coil 6, induction coil 6 produces induced field with the indoor moulding crucible of vacuum pressing and casting and mould 4 (graphite), graphite since electric current by and give inner metal and then fusing with thermal energy transfer.
Take above-mentioned foundation desirable embodiment of the present utility model as enlightenment, by above-mentioned description, the relevant staff can in the scope that does not depart from this utility model technological thought, carry out various change and modification fully.The technical scope of this utility model is not limited to the content on the specification, must determine its technical scope according to the claim scope.
Claims (8)
1. high-vacuum secondary feeding precise continuous casting device, it is characterized in that: this device comprises by mainframe, vacuum pressing and casting chamber, secondary charging device, crystallisation by cooling sealing device, draw-gear, control system, moulding crucible and mould, induction coil, ceramic package, loam cake rotary hinge, sealing device, observation window, upper lid lock device, power switch and castor and forming; Described draw-gear comprises and draws rod, regulating handle, draw-gear fixed bar, draws excellent locking device, traction electric machine; Described secondary charging device comprises secondary charging lift cylinder, secondary charging switch, secondary charging funnel, secondary charging guide bar; Described control system comprises heating control panel, system control panel; Described vacuum pressing and casting chamber places the mainframe front upper place, is fixed on the mainframe by strong muscle and screw; Described crystallizer cooling device places between draw-gear and the vacuum pressing and casting chamber; Described control system places the mainframe upper right side; Described moulding crucible and mould place the vacuum pressing and casting chamber interior, are fixed in the crystallizer cooling device; Described induction coil places the indoor moulding crucible of vacuum pressing and casting and mould outside.
2. a kind of high-vacuum secondary feeding precise continuous casting device according to claim 1 is characterized in that: described secondary charging device is realized moving up and down by lowering or hoisting gear, realizes movable sealing with the vacuum pressing and casting chamber.
3. a kind of high-vacuum secondary feeding precise continuous casting device according to claim 1, it is characterized in that: described moulding crucible and mould are graphite jigs, the bottom is flat, seals with passage to contact.
4. a kind of high-vacuum secondary feeding precise continuous casting device according to claim 1, it is characterized in that: described crystallisation by cooling sealing device adopts sealing to contact bottom casting chamber, closeness of contact is regulated with set screw in the bottom, and the bottom discharge mouth adopts movable sealing design maintenance mould and draw rod hermetically sealed.
5. a kind of high-vacuum secondary feeding precise continuous casting device according to claim 1, it is characterized in that: described control system is the PLC touch screen control system.
6. a kind of high-vacuum secondary feeding precise continuous casting device according to claim 1 is characterized in that: described secondary charging guide bar employing graphite material or quartzy material or high-temperature ceramic materials.
7. a kind of high-vacuum secondary feeding precise continuous casting device according to claim 1 is characterized in that: described traction electric machine employing servomotor.
8. a kind of high-vacuum secondary feeding precise continuous casting device according to claim 1, it is characterized in that: described device comprises that also external high-vacuum pump obtains source, loam cake, power switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220112755 CN202655581U (en) | 2012-03-22 | 2012-03-22 | High-vacuum secondary charging precision continuous casting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220112755 CN202655581U (en) | 2012-03-22 | 2012-03-22 | High-vacuum secondary charging precision continuous casting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202655581U true CN202655581U (en) | 2013-01-09 |
Family
ID=47450514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220112755 Expired - Lifetime CN202655581U (en) | 2012-03-22 | 2012-03-22 | High-vacuum secondary charging precision continuous casting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202655581U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527972A (en) * | 2012-03-22 | 2012-07-04 | 吴建中 | High-vacuum secondary feeding precise continuous casting device |
| CN104308107A (en) * | 2014-10-10 | 2015-01-28 | 河南理工大学 | Vertical guide type vacuum melting inert gas shielding continuous feeding continuous casting machine |
| CN105506557A (en) * | 2015-12-18 | 2016-04-20 | 有研亿金新材料有限公司 | High-purity precious metal evaporation material and preparation method thereof |
| WO2018082241A1 (en) * | 2016-11-01 | 2018-05-11 | 东莞市逸昊金属材料科技有限公司 | New continuous casting system for amorphous master alloy ingot and usage method therefor |
| CN109261917A (en) * | 2018-11-28 | 2019-01-25 | 苏州创浩新材料科技有限公司 | A kind of ultrasonic continuous casting installation for casting preparing minor diameter Kufil |
-
2012
- 2012-03-22 CN CN 201220112755 patent/CN202655581U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527972A (en) * | 2012-03-22 | 2012-07-04 | 吴建中 | High-vacuum secondary feeding precise continuous casting device |
| CN104308107A (en) * | 2014-10-10 | 2015-01-28 | 河南理工大学 | Vertical guide type vacuum melting inert gas shielding continuous feeding continuous casting machine |
| CN105506557A (en) * | 2015-12-18 | 2016-04-20 | 有研亿金新材料有限公司 | High-purity precious metal evaporation material and preparation method thereof |
| WO2018082241A1 (en) * | 2016-11-01 | 2018-05-11 | 东莞市逸昊金属材料科技有限公司 | New continuous casting system for amorphous master alloy ingot and usage method therefor |
| CN109261917A (en) * | 2018-11-28 | 2019-01-25 | 苏州创浩新材料科技有限公司 | A kind of ultrasonic continuous casting installation for casting preparing minor diameter Kufil |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202655581U (en) | High-vacuum secondary charging precision continuous casting device | |
| CN102527972A (en) | High-vacuum secondary feeding precise continuous casting device | |
| CN104164574B (en) | A kind of electroslag remelting prepares the method for high-rating generator retaining ring hollow steel ingot | |
| WO2016112871A1 (en) | Titanium-based alloy induction smelting bottom leakage type vacuum suction casting device and control method | |
| CN106148742B (en) | A kind of vacuum high undercooling rapid solidification test device | |
| CN101691634A (en) | Protective atmosphere electro-slag continuous casting furnace | |
| CN105014020B (en) | A kind of apparatus and method for preparing major diameter semi-solid alloy blank | |
| CN109773145B (en) | High-vacuum continuous casting forming equipment and process for noble metal layered composite material | |
| CN105583396A (en) | Low-pressure casting one-step method for manufacturing semi-solid light alloy castings | |
| CN114294952A (en) | Rapid casting cold crucible suspension furnace and alloy smelting method | |
| CN102179493A (en) | Vacuum continuous casting apparatus for high-temperature alloy | |
| CN105478706A (en) | Method and device for preparing large-size solidified metastable sheets through centrifugal casting | |
| CN109909479B (en) | Short-process preparation method of bimetal composite wire | |
| CN203999759U (en) | Coaxial atmosphere protected electro-slag re-melting stove | |
| CN107457408A (en) | The sensing atomization of continous way cold crucible prepares titanium valve equipment | |
| CN106735078A (en) | The continuous precision former and technique of a kind of non-crystaline amorphous metal or its composite | |
| CN208178424U (en) | The induction atomization of continous way cold crucible prepares titanium valve equipment | |
| CN103820659B (en) | A kind of preparation method of copper chromium master alloy and the preparation method of Cu-Cr-Zr alloy | |
| JPH0251493A (en) | Silicone casting device | |
| CN108637218A (en) | A kind of three-in-one counter-pressure casting machine of new-energy automobile aluminium alloy | |
| CN209830260U (en) | Large-scale high-temperature high-strength material vacuum precision casting equipment | |
| CN105238936B (en) | Vacuum consumable-electrode arc melting ingot pulling device for metal material melting | |
| CN201175762Y (en) | Vacuum die casting device | |
| CN202655612U (en) | High-vacuum secondary feeding automatic-pouring precise ingoting device | |
| CN208772425U (en) | A kind of three-in-one counter-pressure casting machine of new-energy automobile aluminium alloy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN CHENGYIXIN TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: WU JIANZHONG Effective date: 20140625 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140625 Address after: 518000 Guangdong, Longgang, Buji Street Gan hang community Gan Eru No. 1 Giant silver science and Technology Industrial Park, plant No. 101, No. 1 Patentee after: Shenzhen Chengyixin Technology Co., Ltd. Address before: 518000 Buji, Guangdong City, Longgang District, the town of Rong Chao garden 22-B602 Patentee before: Wu Jianzhong |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130109 |
|
| CX01 | Expiry of patent term |