CN104923752A - Titanium and titanium alloy low-cost continuous casting technology and equipment - Google Patents
Titanium and titanium alloy low-cost continuous casting technology and equipment Download PDFInfo
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- CN104923752A CN104923752A CN201510398496.7A CN201510398496A CN104923752A CN 104923752 A CN104923752 A CN 104923752A CN 201510398496 A CN201510398496 A CN 201510398496A CN 104923752 A CN104923752 A CN 104923752A
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- 229910001069 Ti alloy Inorganic materials 0.000 title claims abstract description 57
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 239000010936 titanium Substances 0.000 title claims abstract description 50
- 238000009749 continuous casting Methods 0.000 title claims abstract description 19
- 238000005516 engineering process Methods 0.000 title claims abstract description 14
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 47
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052786 argon Inorganic materials 0.000 claims abstract description 8
- 238000007599 discharging Methods 0.000 claims description 37
- 238000005266 casting Methods 0.000 claims description 34
- 230000000694 effects Effects 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 7
- 238000007499 fusion processing Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 230000003647 oxidation Effects 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- 239000000155 melt Substances 0.000 claims description 4
- 238000010583 slow cooling Methods 0.000 claims description 4
- 230000032258 transport Effects 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 abstract description 2
- 238000003754 machining Methods 0.000 abstract 1
- 238000005204 segregation Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
- Continuous Casting (AREA)
Abstract
The invention relates to a titanium and titanium alloy low-cost continuous casting technology and equipment. Under argon protecting or inert gas atmosphere, a plasma gun of at least 65 KW is used as a heat source. Through a crystallizer, a plasma gun and a down-pulling mechanism, continuous casting of titanium and titanium alloy circular and flat cast ingots is achieved. The machining cost of titanium alloy is lowered by about at least 15%. The produced titanium and titanium alloy are even in components, segregation is avoided, and metallurgical quality problems are avoided.
Description
Technical field
Patent of the present invention relates to a kind of titanium or titanium alloy low cost, the continuous casting technology of short route and equipment, belongs to metal material preparation and manufacture field.
Background technology
Titanium or titanium alloy as the highest metal material of specific strength, have simultaneously high temperature resistant, corrosion-resistant, without the feature such as magnetic and good welding performance, be widely used in science and techniques of defence and civilian industry technical field.But because titanium or titanium alloy material preparation and fabrication cost is higher, cause it can not get a lot of applications as iron and steel is the same with aluminium.In the middle of the cost that titanium alloy is relatively high, except raw material, vacuum melting and processing account for 60% of totle drilling cost.In order to reduce costs, scientific worker is from the low-cost manufacturing technique of titanium sponge, and the aspects such as low-cost titanium alloy research have carried out work.For this technology relatively ripe in iron and steel and the industry such as aluminium, copper of continuous casting and rolling.The work that conducts a research in titanium alloy is also little, this mainly the melting of titanium or titanium alloy need to carry out under vacuum or inert gas shielding.
The people such as Japan metal material research institute H.G.Suzuki have carried out infrastest.They show the research of the titanium alloys such as Ti-6242, Ti-1023, titanium has excellent thermoplasticity and low calorific intensity, high temperature process Performance Ratio steel is good, and attempting provides foundation to the possibility that realizes of the continuously casting and continuously rolling technology of titanium or titanium alloy, but does not carry out relevant substantive work.
Summary of the invention
Object of the present invention is exactly for reducing the manufacturing cost of titanium or titanium alloy, shortened process, realize that titanium or titanium alloy is efficient, short route, cost degradation manufacture and invented a kind of continuous casting technology and equipment of titanium or titanium alloy.
For solving above-mentioned technical problem, the invention provides a kind of titanium or titanium alloy low cost continuous casting technology, it comprises the following steps:
A, charging: titanium or titanium alloy blank are delivered in working chamber along feed rail from feed space under the effect of charging driven roller;
B, fusing: titanium or titanium alloy blank enter after in working chamber, be transported to the first plasma gun under the continuation effect of driven roller under, the ion arc utilizing the first plasma gun to produce melts blank;
C, cool drop-down: the titanium after fusing or titanium alloy solution can instill in crystallizer carry out Slow cooling formed ingot casting, then utilize the pull down mechanism be arranged on below crystallizer carry out drop-down;
D, cut-out: whenever drop-down one meter of pull down mechanism starts the second plasma gun being arranged on side afterwards, ingot casting cuts off by the ion arc utilizing the second plasma gun to produce;
E, discharging: the ingot casting after cut-out by vertically turning to horizontal direction and being transported on discharging track, will start discharging driven roller and ingot casting is gone out to carry out in discharge chamber along discharging orbit transports under the effect of cylinder.
Further: described crystallizer is the Cu crystallizer of water-cooled.
Further again: the first described plasma gun and the power of the second plasma gun are all 65kw or more than 65kw.
Further again: described step a(charging), step b(fusing), step c(cooling is drop-down), steps d (cut-out) and step e(discharging) be all carry out in the argon gas atmosphere of certain pressure, avoid the problem of oxidation in titanium or titanium alloy fusion process.
Present invention also offers a kind of titanium or titanium alloy low cost continuous casting installation for casting, it comprises feed space, working chamber, drop-down room, discharge chamber, feed rail, discharging track and crystallizer, the two ends of described feed rail lay respectively in feed space and working chamber, described crystallizer is positioned at working chamber, one end of described feed rail is connected to the charging aperture place of crystallizer, the top of described crystallizer charging aperture is provided with the first plasma gun, described is connected with working chamber by feed rail, pull down mechanism is provided with between described working chamber and drop-down room, described pull down mechanism is positioned at immediately below crystallizer discharging opening, described drawing between the head of ingot and crystallizer is also provided with the second plasma gun, the two ends of described discharging track lay respectively in drop-down room and discharge chamber, described feed rail and discharging track are all provided with driven roller, described drop-down room is also provided with upset ejecting mechanism, described upset ejecting mechanism is positioned at the top of drop-down indoor discharging track.
Further: described pull down mechanism is rearranged from top to bottom by three groups of cylinders be oppositely arranged between two, and described every series cylinder is all positioned at the both sides below crystallizer discharging opening.
Further again: described switching mechanism comprises splicing cylinder, ejects cylinder and upset cylinder, described splicing cylinder is positioned at the below of pull down mechanism, the both sides, front and back of described splicing cylinder are respectively connected with a upset cylinder, described ejects the left side that cylinder is positioned at splicing cylinder, and the bottom of described splicing cylinder offers through hole.
Further again: described crystallizer adopts inverted trapezoidal design, is provided with water-cooling system in described crystallizer.
Beneficial effect of the present invention have following some:
1, the present invention adopts and works in the argon gas atmosphere of certain pressure, avoids the problem of oxidation in titanium or titanium alloy fusion process.
2, the crystallizer in the design adopts inverted trapezoidal design, and has installed water-cooling system additional, can ensure the metallurgical quality of pure titanium or titanium alloy ingot casting.
3, the design adopts powerful plasma gun as thermal source, greatly accelerates the speed of titanium or titanium alloy fusing, improves its operating efficiency.
4, the design has the advantage that structure is simple, be easy to manufacture and practicality and high efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
The invention provides a kind of titanium or titanium alloy low cost continuous casting technology, comprise the following steps:
A, charging: titanium or titanium alloy blank are delivered in working chamber along feed rail from feed space under the effect of charging driven roller;
B, fusing: titanium or titanium alloy blank enter after in working chamber, be transported to the first plasma gun under the continuation effect of driven roller under, the ion arc utilizing the first plasma gun to produce melts blank;
C, cool drop-down: the titanium after fusing or titanium alloy solution can instill in crystallizer carry out Slow cooling formed ingot casting, then utilize the pull down mechanism be arranged on below crystallizer carry out drop-down;
D, cut-out: whenever drop-down one meter of pull down mechanism starts the second plasma gun being arranged on side afterwards, ingot casting cuts off by the ion arc utilizing the second plasma gun to produce;
E, discharging: the ingot casting after cut-out by vertically turning to horizontal direction and being transported on discharging track, will start discharging driven roller and ingot casting is gone out to carry out in discharge chamber along discharging orbit transports under the effect of cylinder.
Crystallizer described in said method is the Cu crystallizer of water-cooled.
The power of the first plasma gun described in said method and the second plasma gun is all 65kw or more than 65kw.
Step a(charging described in said method), step b(fusing), step c(cooling is drop-down), steps d (cut-out) and step e(discharging) be all carry out in the argon gas atmosphere of certain pressure, avoid the problem of oxidation in titanium or titanium alloy fusion process.
This method adopts and works in the argon gas atmosphere of certain pressure, avoids the problem of oxidation in titanium or titanium alloy fusion process.Its object is exactly the manufacturing cost for reducing titanium or titanium alloy, shortened process, realize that titanium or titanium alloy is efficient, short route, cost degradation manufacture.
A kind of titanium or titanium alloy low cost continuous casting installation for casting as shown in Figure 1, comprise feed space 1, working chamber 2, drop-down room 3, discharge chamber 4, feed rail 5, discharging track 6 and crystallizer 7, the two ends of described feed rail 5 lay respectively in feed space 1 and working chamber 2, described crystallizer 7 is positioned at working chamber 2, one end of described feed rail 5 is connected to the charging aperture place of crystallizer 7, the top of described crystallizer 7 charging aperture is provided with the first plasma gun 8, described is connected with working chamber 2 by feed rail 5, pull down mechanism is provided with between described working chamber 2 and drop-down room 3, described pull down mechanism is positioned at immediately below crystallizer 7 discharging opening, the second plasma gun 9 is also provided with between described pull down mechanism and crystallizer 7, the two ends of described discharging track 6 lay respectively in drop-down room 3 and discharge chamber 4, described feed rail 5 and discharging track 6 are all provided with driven roller 10, described drop-down room 3 is also provided with upset ejecting mechanism, described upset ejecting mechanism is positioned at the top of drop-down room 3 discharging track 6.Titanium or titanium alloy blank import on the feed rail 5 in feed space 1, then the driven roller 10 on feed rail 5 is started, by the driven roller 10 on feed rail 5, blank is transported to the below of the first plasma gun 8 in working chamber 2, then starting the first plasma gun 8 allows it produce ion arc, blank melts by the heat utilizing ion arc to produce, in molten metal liquation instillation crystallizer 7, crystallizer 7 can design according to the ingot casting of difformity and size, metallic solution is Slow cooling in crystallizer 7, and meanwhile a part of ion arc heats molten bath.The design is provided with pull down mechanism in the below of crystallizer 7, ingot casting moves downward by the speed of setting under the effect of pull down mechanism, the melting of such one side is drop-down on one side, and in time pulling down to 1 meter, the second plasma gun 9 be arranged between pull down mechanism and crystallizer 7 can utilize heat to be cut off by ingot casting.Ingot casting cut-off is like this caught by upset ejecting mechanism thereunder, utilize upset ejecting mechanism by it by vertically turning to horizontal direction, then be pushed on discharging track 6 then by starting the driven roller 10 on discharging track 6, utilize driven roller 10 to make ingot casting be delivered in discharge chamber 4 along discharging track 6, then carry out next step tandem rolling work.The design dotes on the argon gas with certain pressure in feed space 1, working chamber 2, drop-down room 3 and discharge chamber 4, make titanium or titanium alloy be all complete in the argon gas atmosphere at certain pressure at the overall process becoming ingot casting from blank, design by this problem of oxidation avoided in titanium or titanium alloy fusion process.Its objective is for reducing the manufacturing cost of titanium or titanium alloy, shortened process, realizing that titanium or titanium alloy is efficient, short route, cost degradation manufacture.
Pull down mechanism is as shown in Figure 1 rearranged from top to bottom by three groups of cylinders be oppositely arranged between two 14, and described every series cylinder 14 is all positioned at the both sides below crystallizer 7 discharging opening.Metallic solution can cool formation ingot casting in crystallizer 7, and rotary drum 14 pulls ingot casting downwards, and ingot casting is moved downward according to certain speed under the effect of three groups of cylinders arranged between two 14.
Switching mechanism as shown in Figure 1 comprises splicing cylinder 11, ejects cylinder 12 and upset cylinder 13, described splicing cylinder 11 is positioned at the below of pull down mechanism, the both sides, front and back of described splicing cylinder 11 are respectively connected with a upset cylinder 13, described ejects the left side that cylinder 12 is positioned at splicing cylinder 11, and the bottom of described splicing cylinder 11 offers through hole.When can automatically drop after ingot casting is cut off in the splicing cylinder 11 of below, then start upset cylinder 13 ingot casting by vertically turning to horizontal direction, then startup ejects cylinder 12 and makes its through hole passed bottom splicing cylinder 11 that discharging track 6 is delivered on ingot casting top.The design has the advantage that structure is simple, be easy to manufacture and practicality and high efficiency.
Crystallizer 7 in the design adopts inverted trapezoidal to design, and is provided with water-cooling system in described crystallizer 7, accelerates metallic solution in crystallizer 7 form the speed of ingot casting by water-cooling system; And the crystallizer 7 utilizing inverted trapezoidal to design can ensure the metallurgical quality of pure titanium or titanium alloy ingot casting.
Claims (8)
1. a titanium or titanium alloy low cost continuous casting technology, is characterized in that: comprise the following steps:
A, charging: titanium or titanium alloy blank are delivered in working chamber along feed rail from feed space under the effect of charging driven roller;
B, fusing: titanium or titanium alloy blank enter after in working chamber, be transported to the first plasma gun under the continuation effect of driven roller under, the ion arc utilizing the first plasma gun to produce melts blank;
C, cool drop-down: the titanium after fusing or titanium alloy solution can instill in crystallizer carry out Slow cooling formed ingot casting, then utilize the pull down mechanism be arranged on below crystallizer carry out drop-down;
D, cut-out: whenever drop-down one meter of pull down mechanism starts the second plasma gun being arranged on side afterwards, ingot casting cuts off by the ion arc utilizing the second plasma gun to produce;
E, discharging: the ingot casting after cut-out by vertically turning to horizontal direction and being transported on discharging track, will start discharging driven roller and ingot casting is gone out to carry out in discharge chamber along discharging orbit transports under the effect of cylinder.
2. a kind of titanium or titanium alloy low cost continuous casting technology according to claim 1, is characterized in that: described crystallizer is the Cu crystallizer of water-cooled.
3. a kind of titanium or titanium alloy low cost continuous casting technology according to claim 1, is characterized in that: the first described plasma gun and the power of the second plasma gun are all 65kw or more than 65kw.
4. a kind of titanium or titanium alloy low cost continuous casting technology according to claim 1, it is characterized in that: described step a(charging), step b(fusing), step c(cooling is drop-down), steps d (cut-out) and step e(discharging) be all carry out in the argon gas atmosphere of certain pressure, avoid the problem of oxidation in titanium or titanium alloy fusion process.
5. a titanium or titanium alloy low cost continuous casting installation for casting, it is characterized in that: comprise feed space (1), working chamber (2), drop-down room (3), discharge chamber (4), feed rail (5), discharging track (6) and crystallizer (7), the two ends of described feed rail (5) lay respectively in feed space (1) and working chamber (2), described crystallizer (7) is positioned at working chamber (2), one end of described feed rail (5) is connected to the charging aperture place of crystallizer (7), the top of described crystallizer (7) charging aperture is provided with the first plasma gun (8), described is connected with working chamber (2) by feed rail (5), pull down mechanism is provided with between described working chamber (2) and drop-down room (3), described pull down mechanism is positioned at immediately below crystallizer (7) discharging opening, described drawing between the head of ingot and crystallizer (7) is also provided with the second plasma gun (9), the two ends of described discharging track (6) lay respectively in drop-down room (3) and discharge chamber (4), described feed rail (5) and discharging track (6) are all provided with driven roller (10), described drop-down room (3) is also provided with upset ejecting mechanism, described upset ejecting mechanism is positioned at the top of drop-down room (3) discharging track (6).
6. a kind of titanium or titanium alloy low cost continuous casting installation for casting according to claim 5, it is characterized in that: described pull down mechanism is rearranged from top to bottom by three groups of cylinders be oppositely arranged between two (14), and described every series cylinder (14) is all positioned at the both sides below crystallizer (7) discharging opening.
7. a kind of titanium or titanium alloy low cost continuous casting installation for casting according to claim 5, it is characterized in that: described switching mechanism comprises splicing cylinder (11), ejects cylinder (12) and upset cylinder (13), described splicing cylinder (11) is positioned at the below of pull down mechanism, the both sides, front and back of described splicing cylinder (11) are respectively connected with upset cylinder (13), described ejects the left side that cylinder (12) is positioned at splicing cylinder (11), and the bottom of described splicing cylinder (11) offers through hole.
8. a kind of titanium or titanium alloy low cost continuous casting installation for casting according to claim 5, is characterized in that: described crystallizer (7) adopts inverted trapezoidal design, is provided with water-cooling system in described crystallizer (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510398496.7A CN104923752B (en) | 2015-07-08 | 2015-07-08 | Titanium or titanium alloy continuous casting technology and equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510398496.7A CN104923752B (en) | 2015-07-08 | 2015-07-08 | Titanium or titanium alloy continuous casting technology and equipment |
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| CN104923752A true CN104923752A (en) | 2015-09-23 |
| CN104923752B CN104923752B (en) | 2017-04-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108546831A (en) * | 2018-05-25 | 2018-09-18 | 南京尚吉增材制造研究院有限公司 | Titanium and titanium alloy short route preparation facilities and method |
| CN111804244A (en) * | 2020-07-21 | 2020-10-23 | 天津科技大学 | Thermoforming structure and flavone preparation equipment |
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| CN102105244A (en) * | 2007-07-27 | 2011-06-22 | Sms康卡斯特股份公司 | Process for producing steel long products by continuous casting and rolling |
| CN102935507A (en) * | 2012-11-08 | 2013-02-20 | 哈尔滨工业大学 | Titanium aluminum alloy blade blank continuous cold crucible directional solidification casting device |
| CN104028720A (en) * | 2013-03-05 | 2014-09-10 | Rti国际金属公司 | Continuous casting furnace for long ingot casting |
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2015
- 2015-07-08 CN CN201510398496.7A patent/CN104923752B/en active Active
Patent Citations (5)
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| CN1258577A (en) * | 1998-12-30 | 2000-07-05 | 北京有色金属研究总院 | Continuous casting process and continuous casting machine |
| CN102105244A (en) * | 2007-07-27 | 2011-06-22 | Sms康卡斯特股份公司 | Process for producing steel long products by continuous casting and rolling |
| CN101121999A (en) * | 2007-09-14 | 2008-02-13 | 哈尔滨工业大学 | Method for continuously casting titanium alloy near single-crystal ingot by using electromagnetic cold crucible |
| CN102935507A (en) * | 2012-11-08 | 2013-02-20 | 哈尔滨工业大学 | Titanium aluminum alloy blade blank continuous cold crucible directional solidification casting device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108546831A (en) * | 2018-05-25 | 2018-09-18 | 南京尚吉增材制造研究院有限公司 | Titanium and titanium alloy short route preparation facilities and method |
| CN108546831B (en) * | 2018-05-25 | 2020-07-24 | 南京尚吉增材制造研究院有限公司 | Short-process preparation device and method for titanium and titanium alloy |
| CN111676380A (en) * | 2018-05-25 | 2020-09-18 | 南京尚吉增材制造研究院有限公司 | Short-process preparation device for titanium and titanium alloy |
| CN111676380B (en) * | 2018-05-25 | 2021-06-25 | 南京尚吉增材制造研究院有限公司 | Short-process preparation device for titanium and titanium alloy |
| CN111804244A (en) * | 2020-07-21 | 2020-10-23 | 天津科技大学 | Thermoforming structure and flavone preparation equipment |
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| CN104923752B (en) | 2017-04-26 |
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Effective date of registration: 20180214 Address after: 210038 room B1 516 and 517, Longgang Science Park, Longgang Science Park, Heng Yuan Road, Nanjing economic and Technological Development Zone, Jiangsu Province Patentee after: Nanjing Yoshimasu material manufacturing Research Institute Co. Ltd. Address before: 210009 Nanjing City, Jiangsu Province, the new model road No. 5 Patentee before: Nanjing University of Technology |
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Application publication date: 20150923 Assignee: Nanjing Zhongke Raycham Technology Co., Ltd. Assignor: Nanjing Yoshimasu material manufacturing Research Institute Co. Ltd. Contract record no.: 2019320000074 Denomination of invention: Titanium or titanium alloy continuous casting technology and equipment Granted publication date: 20170426 License type: Common License Record date: 20190325 |
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Assignee: NANJING ZHONGKE RAYCHAM TECHNOLOGY Co.,Ltd. Assignor: SHANGI INSTITUTE FOR ADVANCED MATERIALS (NANJING) Co.,Ltd. Contract record no.: 2019320000074 Date of cancellation: 20200513 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20200825 Address after: Room 516, building B1, Longgang science and Technology Park, Hengyuan Road, Nanjing Economic and Technological Development Zone, Jiangsu Province 210046 Patentee after: Jiangsu Shangji Hengtong New Material Co., Ltd Address before: Room 516 and 517, building B1, Longgang science and Technology Park, Hengyuan Road, Nanjing Economic and Technological Development Zone, Nanjing, Jiangsu Province Patentee before: SHANGI INSTITUTE FOR ADVANCED MATERIALS (NANJING) Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20211230 Address after: 210046 rooms 516 and 517, building B1, Longgang Science Park, Hengyuan Road, Nanjing Economic and Technological Development Zone, Jiangsu Province Patentee after: SHANGI INSTITUTE FOR ADVANCED MATERIALS (NANJING) Co.,Ltd. Address before: 210046 Room 516, building B1, Longgang Science Park, Hengyuan Road, Nanjing Economic and Technological Development Zone, Jiangsu Province Patentee before: Jiangsu Shangji Hengtong New Material Co., Ltd |