CN102218896B - Finishing equipment for thermal contraction mark bushing - Google Patents
Finishing equipment for thermal contraction mark bushing Download PDFInfo
- Publication number
- CN102218896B CN102218896B CN2011101338505A CN201110133850A CN102218896B CN 102218896 B CN102218896 B CN 102218896B CN 2011101338505 A CN2011101338505 A CN 2011101338505A CN 201110133850 A CN201110133850 A CN 201110133850A CN 102218896 B CN102218896 B CN 102218896B
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- China
- Prior art keywords
- steel band
- sleeve pipe
- thermal contraction
- collator
- sign sleeve
- 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.)
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- 230000008602 contraction Effects 0.000 title claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 126
- 239000010959 steel Substances 0.000 claims abstract description 126
- 229910052802 copper Inorganic materials 0.000 claims abstract description 27
- 239000010949 copper Substances 0.000 claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 150000001879 copper Chemical class 0.000 claims description 18
- 238000001816 cooling Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 244000001591 balata Species 0.000 description 1
- 235000016302 balata Nutrition 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
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- General Induction Heating (AREA)
Abstract
The invention discloses finishing equipment for a thermal contraction mark bushing, which comprises a pre-heat tank, a shell, two main trolleys of an upper part steel belt, two main trolleys of a lower part steel belt, the upper part steel belt, the lower part steel belt, a high-frequency heating engine, a copper pipe and a cooling plate; the main trolleys of the upper part steel belt are mounted at the upper part position of the inside of the shell; the two main trolleys of the lower part steel belt are mounted at the lower part position of the inside of the shell; the upper part steel belt is mounted on the two main trolleys of the upper part steel belt and comprises a lower pressing piece arranged at the lower side; the lower part steel belt is mounted on the two main trolleys of the lower part steel belt and comprises an upper pressing piece arranged at the upper side; the high-frequency heating engine provides heat for the copper pipe; the copper pipe can be heated by high frequency and is mounted at the position of the inside of the shell close to the front end; the cooling plate is mounted at the position of the inside of the shell close to the rear end; and the cooling plate is mounted above the lower pressing piece and below the upper pressing piece and is directly contacted with the lower pressing pieceand the upper pressing piece. The finishing equipment for the thermal contraction mark bushing is simple to operate as well as has lower cost and stable quality.
Description
Technical field
The present invention relates to the process equipment field of a kind of thermal contraction sign sleeve pipe, especially identify the collator of processing workshop section behind the sleeve pipe.
Background technology
Thermal contraction sign sleeve pipe all needs to print in use, and the client prints to reach good printing effect for ease, and the outward appearance after the arrangement of sign sleeve pipe, glacing flatness, flatness etc. have just been proposed very high requirement.Existing heat-shrink tube collator is fairly simple, adopts balata belt directly to flatten, and the heating that has no cooling calibrator; It is straight inadequately to put the sleeve surface that comes out like this in order; And crooked easily, because the operating characteristic of thermal contraction sign sleeve pipe, this kind equipment is not suitable for arrangement sign sleeve pipe.Therefore need design and develop advanced more sign sleeve pipe collator, to solve the distortion of sign sleeve pipe arrangement rear curved, the surface is smooth inadequately, is unfavorable for problems such as printing.
Summary of the invention
The technical problem that the present invention will solve is: the collator that overcomes existing thermal contraction sign sleeve pipe do not have the easy flexural deformation of sleeve pipe that heating and cooling device, arrangement come out, be unfavorable for the defective printed, provide a kind of simple to operate, cost is lower, the collator of the thermal contraction of stay in grade sign sleeve pipe.
In order to solve the problems of the technologies described above; The present invention proposes following technical scheme: the collator of a kind of thermal contraction sign sleeve pipe, and it comprises a preheating tank, a casing, two top steel band main rollers, two bottom steel band main rollers, top steel band, bottom steel band, a high-frequency heating main frame, copper pipe, coldplate; This casing is positioned at the rear side of this preheating tank; These two top steel band main rollers are installed in the upper position of this interior; These two bottom steel band main rollers are installed in the lower position of this interior; This top steel band is installed on these two top steel band main rollers, and this top steel band comprises that one is positioned at the lower sheeting of downside; This bottom steel band is installed on these two bottom steel band main rollers, and this bottom steel band comprises that one is positioned at the last compressing tablet of upside; This lower sheeting and this are gone up between the compressing tablet has a fixed gap; This top steel band main roller and bottom steel band main roller rotate and drive this top steel band and the rotation of bottom steel band; This high-frequency heating main frame provides heat for this copper pipe; This copper pipe can high-frequency heating, and this copper pipe is installed in the forward end position of this interior, and this copper pipe is installed in the top and the below that should go up compressing tablet of this lower sheeting, but this copper pipe does not contact this lower sheeting and should go up compressing tablet; This coldplate is installed in this interior and leans on back-end location, and this coldplate is positioned at the rear side of this copper pipe, and the top that this coldplate is installed in this lower sheeting is with the below that should go up compressing tablet and with said lower sheeting, upward compressing tablet directly contacts.
Preferably, the collator of this thermal contraction sign sleeve pipe comprises a charging position-limit mechanism, and this charging position-limit mechanism is installed on the front position of this casing, promptly near an end of this preheating tank.
Preferably, this charging position-limit mechanism includes some rollers, and these some rollers are equidistantly spaced, and that these some rollers are in successively is higher, on the lower position.
Preferably, these two top steel band main rollers are in relative up and down position respectively with these two bottom steel band main rollers.
Preferably; The collator of this thermal contraction sign sleeve pipe comprises some tops return idler, some bottoms return idler; This some tops return idler is installed in interior; The lower sheeting of adjacent this top steel band is located at its upside, and this some bottoms return idler is installed in interior, and the last compressing tablet of adjacent this bottom steel band is located at its downside.
Preferably, the collator of this thermal contraction sign sleeve pipe comprises radially degree of tightness release handle of the horizontal degree of tightness release handle of a steel band that is installed on the casing, a steel band.
Preferably, the collator of this thermal contraction sign sleeve pipe comprises a rewinding dish, and this rewinding dish is installed in the rear end of this casing.
The present invention has following beneficial effect: the sign sleeve pipe through the preheating of preheating tank, can carry out preliminary thermoplastic to the sign sleeve pipe before arrangement, the moisture on sign sleeve pipe surface after getting into two steel bands also can play certain lubrication; Adopt two steel bands to flatten, steel strip surface is smooth, smooth, wear-resisting, thereby smooth, smooth, the corrugationless of sign sleeve surface that arrangement is come out is a significant benefit to the printing of sign sleeve pipe; Contactless high-frequency heating; That has avoided heater and two steel bands directly contacts the wearing and tearing that cause; And can reach certain temperature at chien shih steel band in short-term, thus the sign sleeve pipe in the middle of the steel belt layer is heated, be of value to softening, the typing of sign sleeve pipe; Adopt the cooling of direct contact type frozen water, the sign sleeve pipe is cooled off rapidly, be of value to the typing after the heating of sign sleeve pipe, thereby obtain the sign sleeve pipe of surfacing, radially straight, dimensionally stable.
Description of drawings
Fig. 1 is the side view of the collator of thermal contraction sign sleeve pipe of the present invention.
Fig. 2 is the enlarged drawing of A part among Fig. 1.
The specific embodiment
See also Fig. 1 to Fig. 2; The present invention proposes the collator of a kind of thermal contraction sign sleeve pipe, and it comprises the horizontal degree of tightness release handle of a preheating tank 1, a casing 2, a charging position-limit mechanism 3, two top steel band main rollers 4, two bottom steel band main rollers 5, top steel band 6, bottom steel band 7, some tops return idler 8, some bottoms return idler 9, a steel band 10, a steel band radially degree of tightness release handle 11, a high-frequency heating main frame 12, copper pipe 13, coldplate 14, a rewinding dish 15.
Can adorn water in this preheating tank 1, and water is heated to uniform temperature.This preheating tank 1 length 1m, 45 ℃ of preheat temperatures.
This casing 2 is positioned at the rear side of this preheating tank 1.
This charging position-limit mechanism 3 is installed on the front position of this casing 2, promptly near an end of this preheating tank 1.This charging position-limit mechanism 3 includes some rollers 32, and these some rollers 32 are equidistantly spaced, and that these some rollers 32 are in successively is higher, on the lower position.
These two top steel band main rollers 4 are installed in the upper position of these casing 2 inside.
These two bottom steel band main rollers 5 are installed in the lower position of these casing 2 inside.
These two top steel band main rollers 4 are in relative up and down position respectively with these two bottom steel band main rollers 5.
This top steel band 6 is installed on these two top steel band main rollers 4, and after the installation, this top steel band 6 comprises that one is positioned at the lower sheeting 64 of downside.
This bottom steel band 7 is installed on these two bottom steel band main rollers 5, and after the installation, this bottom steel band 7 comprises that one is positioned at the last compressing tablet 72 of upside.
Has a fixed gap between the lower sheeting 64 of this top steel band 6 and the last compressing tablet 72 of this bottom steel band 7.
This top steel band main roller 4 rotates with bottom steel band main roller 5 can drive this top steel band 6 and 7 rotations of bottom steel band.
This some tops return idler 8 is installed in casing 2 inside, and the lower sheeting 64 of adjacent this top steel band 6 is located at its upside, effect be prevent this lower sheeting 64 because extraneous pressure and on move.
This some bottoms return idler 9 is installed in casing 2 inside, and the last compressing tablet 72 of adjacent this bottom steel band 7 is located at its downside, and effect is to prevent that compressing tablet 72 is sagging because of gravity effect or extraneous pressure on this.
The horizontal degree of tightness release handle 10 of this steel band is installed on the casing 2, is used for regulating this top steel band 6 and bottom steel band 7 position in the horizontal.
This steel band radially degree of tightness release handle 11 is installed on the casing 2, is used for regulating this top steel band 6 and bottom steel band 7 position in the vertical.
Regulate radially degree of tightness release handle 11 of horizontal degree of tightness release handle 10 peaces of this steel band and this steel band, can let top steel band 6 and bottom steel band 7 degree of tightness situations suitable.
This high-frequency heating main frame 12 provides heat for this copper pipe 13.
This copper pipe 13 can high-frequency heating, and this copper pipe 13 is installed in this casing 2 inner forward end positions, promptly near an end of this charging position-limit mechanism 3.This copper pipe 13 is installed in the below of last compressing tablet 72 of top and this bottom steel band 7 of the lower sheeting 64 of this top steel band 6; But this copper pipe 13 does not contact the lower sheeting 64 of this top steel band 6 and the last compressing tablet 72 of this bottom steel band 7, and employing is contactless mode of heating.
This coldplate 14 is installed in this casing 2 inner back-end locations that lean on; Promptly away from an end of charging position-limit mechanism 3; This coldplate 14 is positioned at the rear side of this copper pipe 13; This coldplate 14 be installed in this top steel band 6 lower sheeting 64 top and this bottom steel band 7 last compressing tablet 72 the below and with said lower sheeting 64, go up compressing tablet 72 and directly contact, employing be the type of cooling of contact.
Feed cooling water in this coldplate 14, coldplate 14 directly contacts with steel strip surface, and cooling effect is very good, can make the temperature of top steel band 6 and bottom steel band 7 consistent with cooling water temperature.In whole process, under the state that high-frequency heating main frame 12 is opened, top steel band 6 is kept in motion with bottom steel band 7 all the time, has avoided causing steel band to burn owing to cross heating.
This rewinding dish 15 is installed in the rear end of this casing 2.
The course of work of the collator of thermal contraction sign sleeve pipe of the present invention is: will identify sleeve pipe (figure does not show) and be immersed in below the water surface of preheating tank 1; After preliminary preheating is softening; Draw to charging position-limit mechanism 3; Get between some rollers 32 wherein, note to adjust spacing width this moment, up to being complementary with sign sleeve pipe width.Opening device and high-frequency heating main frame 12; The centre of the sign sleeve pipe being sent into two-layer steel band is the centre of top steel band 6 and bottom steel band 7; The sign sleeve pipe gets on the lower sheeting 64 of this top steel band 6 and the bottom steel band 7 between the compressing tablet 72, regulates radially degree of tightness release handle 11 of the horizontal degree of tightness release handle 10 of steel band and steel band, makes top steel band 6 and bottom steel band 7 degree of tightness situations suitable; The sign sleeve pipe is smooth until letting; The sign sleeve pipe is heated when passing through the copper pipe 13 of high-frequency heating, then carries out the frozen water cooling and shaping through this coldplate 14, and the sign sleeve pipe that will pull out at last is through these rewinding dish 15 rewindings.
The present invention has following beneficial effect:
1,13 pairs of two steel bands of copper pipe of this high-frequency heating be top steel band 6 and bottom steel band 7 add the contactless high-frequency heating of thermal recovery; Homogeneous heating, efficient is high, and speed is fast; Can improve the temperature of bringing-up section steel band rapidly, and performance, the size of sign sleeve pipe itself are not had influence;
2, this coldplate 14 is positioned at the rear side of the copper pipe 13 of high-frequency heating; Cooling water is that the surface of top steel band 6 and bottom steel band 7 contacts with two steel bands directly through coldplate 14, employing contact type ice water-cooled but, contact area is big; Two steel bands are even with the cooling of sign sleeve pipe; Cooling velocity is fast, and the temperature of steel strips of process cooling section can reach with the frozen water temperature is consistent and cool off, and effect is very good.In whole process, two steel bands are kept in motion all the time, have avoided causing steel band to burn owing to cross heating.
Claims (7)
1. the collator of thermal contraction sign sleeve pipe, it comprises a preheating tank, a casing, two top steel band main rollers, two bottom steel band main rollers, top steel band, bottom steel band, a high-frequency heating main frame, copper pipe, coldplate;
This casing is positioned at the rear side of this preheating tank;
These two top steel band main rollers are installed in the upper position of this interior;
These two bottom steel band main rollers are installed in the lower position of this interior;
This top steel band is installed on these two top steel band main rollers, and this top steel band comprises that one is positioned at the lower sheeting of downside;
This bottom steel band is installed on these two bottom steel band main rollers, and this bottom steel band comprises that one is positioned at the last compressing tablet of upside;
This lower sheeting and this are gone up between the compressing tablet has a fixed gap;
This top steel band main roller and bottom steel band main roller rotate and drive this top steel band and the rotation of bottom steel band;
It is characterized in that:
This high-frequency heating main frame provides heat for this copper pipe;
This copper pipe can high-frequency heating, and this copper pipe is installed in the forward end position of this interior, and this copper pipe is installed in the top and the below that should go up compressing tablet of this lower sheeting, but this copper pipe does not contact this lower sheeting and should go up compressing tablet;
This coldplate is installed in this interior and leans on back-end location, and this coldplate is positioned at the rear side of this copper pipe, and the top that this coldplate is installed in this lower sheeting is with the below that should go up compressing tablet and with said lower sheeting, upward compressing tablet directly contacts.
2. the collator of thermal contraction sign sleeve pipe as claimed in claim 1; It is characterized in that: the collator of this thermal contraction sign sleeve pipe comprises a charging position-limit mechanism; This charging position-limit mechanism is installed on the front position of this casing, promptly near an end of this preheating tank.
3. the collator of thermal contraction as claimed in claim 2 sign sleeve pipe, it is characterized in that: this charging position-limit mechanism includes some rollers, and these some rollers are equidistantly spaced, and that these some rollers are in successively is higher, on the lower position.
4. the collator of thermal contraction sign sleeve pipe as claimed in claim 1, it is characterized in that: these two top steel band main rollers are in relative up and down position respectively with these two bottom steel band main rollers.
5. the collator of thermal contraction sign sleeve pipe as claimed in claim 1; It is characterized in that: the collator of this thermal contraction sign sleeve pipe comprises some tops return idler, some bottoms return idler; This some tops return idler is installed in interior; The lower sheeting of adjacent this top steel band is located at its upside, and this some bottoms return idler is installed in interior, and the last compressing tablet of adjacent this bottom steel band is located at its downside.
6. the collator of thermal contraction sign sleeve pipe as claimed in claim 1 is characterized in that: the collator of this thermal contraction sign sleeve pipe comprises radially degree of tightness release handle of the horizontal degree of tightness release handle of a steel band that is installed on the casing, a steel band.
7. the collator of thermal contraction sign sleeve pipe as claimed in claim 1 is characterized in that: the collator of this thermal contraction sign sleeve pipe comprises a rewinding dish, and this rewinding dish is installed in the rear end of this casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101338505A CN102218896B (en) | 2011-05-23 | 2011-05-23 | Finishing equipment for thermal contraction mark bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101338505A CN102218896B (en) | 2011-05-23 | 2011-05-23 | Finishing equipment for thermal contraction mark bushing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102218896A CN102218896A (en) | 2011-10-19 |
| CN102218896B true CN102218896B (en) | 2012-07-25 |
Family
ID=44775717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101338505A Active CN102218896B (en) | 2011-05-23 | 2011-05-23 | Finishing equipment for thermal contraction mark bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102218896B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102517938A (en) * | 2011-12-23 | 2012-06-27 | 建峰索具有限公司 | Compacted stranded steel rope cast rigging and manufacturing method thereof |
| CN105692315B (en) * | 2016-01-14 | 2017-05-03 | 长园电子（东莞）有限公司 | Marked pipe steel belt finishing equipment |
| CN106218291B (en) * | 2016-08-30 | 2018-07-17 | 河南启德隆实业有限公司 | A kind of porous micro channel flat tube defect identity device |
| CN112848229B (en) * | 2020-12-30 | 2022-12-06 | 成都前宏科技股份有限公司 | Automatic thermal shrinkage machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0549121A2 (en) * | 1991-11-19 | 1993-06-30 | McNEIL-PPC, INC. | System for applying a heat shrinkable sleeve to a container |
| CN2388032Y (en) * | 1999-09-28 | 2000-07-19 | 胡娟 | Continuous thermal shrinking rubber pipe expander |
| CN2659668Y (en) * | 2003-10-23 | 2004-12-01 | 龚锡榕 | Hot water expansion and shaping device for producing heat-shrinkable sleeve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5549217A (en) * | 1978-10-05 | 1980-04-09 | Sumitomo Electric Ind Ltd | Heat recovery tube |
-
2011
- 2011-05-23 CN CN2011101338505A patent/CN102218896B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0549121A2 (en) * | 1991-11-19 | 1993-06-30 | McNEIL-PPC, INC. | System for applying a heat shrinkable sleeve to a container |
| CN2388032Y (en) * | 1999-09-28 | 2000-07-19 | 胡娟 | Continuous thermal shrinking rubber pipe expander |
| CN2659668Y (en) * | 2003-10-23 | 2004-12-01 | 龚锡榕 | Hot water expansion and shaping device for producing heat-shrinkable sleeve |
Non-Patent Citations (1)
| Title |
|---|
| JP昭55-49217A 1980.04.09 |
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| Publication number | Publication date |
|---|---|
| CN102218896A (en) | 2011-10-19 |
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Owner name: CHANGYUAN ELECTRONIC (GROUP) LTD. Free format text: FORMER NAME: SHENZHEN CHANGYUAN ELECTRONIC MATERIAL CO., LTD. |
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Address after: 518000 workshop No. 4, east of Nanshan District science and Technology Industrial Park, Shenzhen, Guangdong Patentee after: Changyuan electronic (Group) Co., Ltd. Address before: 30-4, 518000, science and technology road, Nanshan District science and Technology Industrial Park, Guangdong, Shenzhen Patentee before: Shenzhen Changyuan Electronic Material Co., Ltd. |
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Owner name: CHANGYUAN ELECTRONIC (GROUP) LTD. SHANGHAI CHANGYU Effective date: 20141205 Owner name: CHANGYUAN ELECTRONIC (DONGGUAN) CO., LTD. Free format text: FORMER OWNER: CHANGYUAN ELECTRONIC (GROUP) LTD. Effective date: 20141205 |
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Effective date of registration: 20141205 Address after: 523770 Guangdong province Dongguan city Dalang town Fumin Industrial Park Po Po Industrial Zone two Patentee after: Changyuan Electronics (Dongguan) Co., Ltd. Patentee after: Changyuan electronic (Group) Co., Ltd. Patentee after: Shanghai Changyuan Electronic Material Co., Ltd. Patentee after: Tianjin Changyuan Electronic Material Co., Ltd. Patentee after: ChangYuan Group Ltd. Address before: 518000 workshop No. 4, east of Nanshan District science and Technology Industrial Park, Shenzhen, Guangdong Patentee before: Changyuan electronic (Group) Co., Ltd. |
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Application publication date: 20111019 Assignee: Changyuan Electronics (Dongguan) Co., Ltd. Assignor: Long garden Electronics (Dongguan) Co., Ltd.|Changyuan Electronics (Group) Co., Ltd.|Shanghai Changyuan Electronic Materials Co., Ltd.|Tianjin Changyuan Electronic Materials Co., Ltd.|Changyuan group, Limited by Share Ltd Contract record no.: 2015440020115 Denomination of invention: Finishing equipment for thermal contraction mark bushing Granted publication date: 20120725 License type: Exclusive License Record date: 20150408 |
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Effective date of registration: 20180408 Address after: 523770 Guangdong province Dongguan city Dalang town Fumin Industrial Park Po Po Industrial Zone two Co-patentee after: Changyuan electronic (Group) Co., Ltd. Patentee after: Changyuan Electronics (Dongguan) Co., Ltd. Co-patentee after: Shanghai Changyuan Electronic Material Co., Ltd. Co-patentee after: Tianjin Changyuan Electronic Material Co., Ltd. Address before: 523770 Guangdong province Dongguan city Dalang town Fumin Industrial Park Po Po Industrial Zone two Co-patentee before: Changyuan electronic (Group) Co., Ltd. Patentee before: Changyuan Electronics (Dongguan) Co., Ltd. Co-patentee before: Shanghai Changyuan Electronic Material Co., Ltd. Co-patentee before: Tianjin Changyuan Electronic Material Co., Ltd. Co-patentee before: ChangYuan Group Ltd. |
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Inventor after: Zhao Chenggang Inventor after: Xu Lanhang Inventor after: Xie Shiping Inventor after: Lu Xuelian Inventor after: Tong Xiaoming Inventor after: Qiu Yunfeng Inventor after: Liu Jun Inventor after: Qiu Guangnan Inventor after: Zhang Yi Inventor after: Liu Xiaobo Inventor after: Lu Erjun Inventor before: Zhao Chenggang Inventor before: Tong Xiaoming Inventor before: Qiu Yunfeng Inventor before: Liu Jun Inventor before: Qiu Guangnan Inventor before: Zhang Yi Inventor before: Liu Xiaobo Inventor before: Lu Erjun Inventor before: Xu Lanhang |
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