CN204052873U - A kind of long nozzle apparatus for baking - Google Patents
A kind of long nozzle apparatus for baking Download PDFInfo
- Publication number
- CN204052873U CN204052873U CN201420563658.9U CN201420563658U CN204052873U CN 204052873 U CN204052873 U CN 204052873U CN 201420563658 U CN201420563658 U CN 201420563658U CN 204052873 U CN204052873 U CN 204052873U
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- CN
- China
- Prior art keywords
- muff
- long nozzle
- guide rail
- clamping
- baking
- 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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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000033001 locomotion Effects 0.000 claims description 8
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 6
- 239000004927 clay Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000003063 flame retardant Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 13
- 239000010959 steel Substances 0.000 abstract description 13
- 238000005457 optimization Methods 0.000 description 6
- 239000007858 starting material Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Landscapes
- Spray Control Apparatus (AREA)
Abstract
The utility model discloses a kind of long nozzle apparatus for baking, comprise pedestal, long nozzle clamping device and muff apparatus for baking, described muff apparatus for baking comprises long nozzle muff and long nozzle muff mobile device, described long nozzle muff inwall is provided with helical groove, long nozzle muff is made up of muff left jacketing and muff right jacketing, long nozzle muff mobile device comprises the guide rail I on pedestal, guide rail I is respectively equipped with travelling car I and travelling car II, travelling car I is connected with muff left jacketing, travelling car II is connected with muff right jacketing, long nozzle clamping device comprises the guide rail II on pedestal, guide rail II is provided with clamping dolly, clamping dolly is provided with manipulator.The utility model structure is simple, easy to operate, shortens baking time, improves baking efficiency of utilization, improve the fluency watering steel, and the operation also achieving baking working region is unmanned, protects operating personnel's life security, eliminates potential safety hazard.
Description
Technical field
The utility model relates to a kind of long nozzle attemperator, is specifically related to a kind of long nozzle apparatus for baking.
Background technology
Long nozzle is used between ladle and tundish, and protection molten steel, not by secondary oxidation, prevents steel stream from splashing, otherwise open water time, easily to ftracture, the accident such as fracture.But before long nozzle uses, Baking out must be carried out, because the temperature of molten steel is all very high, if long nozzle temperature is lower to long nozzle, molten steel one touches long nozzle, will condense, reduce long nozzle internal diameter, affect molten steel flow, reduce casting efficiency, serious, blocking long nozzle, causes and serious waters steel accident.Usual employing flame directly heats long nozzle baking, belongs to open baking due to this, and at this moment baking there will be a large amount of loss of heat energy, and the time of baking is also long, also has influence on molten steel and builds efficiency.During baking, the local temperature rise that baking flame and long nozzle directly contact is relatively high, and does not directly contact the place of flame, and temperature rise is comparatively slow, makes two place's temperature difference comparatively greatly, also can easily cause molten steel solidification to cause to water steel not smooth.In addition, need operating personnel to carry out Suspending fixation operation at flame jet place to long nozzle, and there is certain toxicity for the gas of flame jet place burning, just in case leak, light then operating personnel are poisoning to feel not quite the thing, heavy then threat to life safety, there is potential safety hazard.
Utility model content
For above-mentioned the deficiencies in the prior art; technical problem to be solved in the utility model is: how to provide a kind of and shorten baking time; improve baking efficiency of utilization; long nozzle entirety is heated up guarantee to water steel fluency; and operating personnel's life security can be protected, a kind of long nozzle apparatus for baking eliminated safe hidden trouble.
In order to solve the problems of the technologies described above, the utility model have employed following technical scheme:
A kind of long nozzle apparatus for baking, comprise pedestal, long nozzle clamping device and muff apparatus for baking, described muff apparatus for baking comprises long nozzle muff and long nozzle muff mobile device, described long nozzle muff is provided with the inwall matched with long nozzle profile, the helical groove extending axially up to top along it is provided with bottom described long nozzle muff inwall, be provided with bottom described long nozzle muff be communicated with helical groove enter burner, described long nozzle muff top is provided with the crater be communicated with helical groove, described long nozzle muff is made up of muff left jacketing and muff right jacketing, described long nozzle muff mobile device comprises the guide rail I be arranged on pedestal, described guide rail I is respectively equipped with the travelling car I along the movement of guide rail I bearing of trend and travelling car II, described travelling car I top and muff left jacketing are connected and fixed, described travelling car II top and muff right jacketing are connected and fixed, described long nozzle clamping device comprise be arranged on pedestal and towards guide rail I direction extend guide rail II, described guide rail II is provided with the clamping dolly along the movement of guide rail II bearing of trend, described clamping dolly is provided with the manipulator for clamping long nozzle.
In the utility model, clamping dolly can be mobile arbitrarily at guide rail II, when needing to toast long nozzle, clamping dolly can move to from the place away from flame baking working position, just utilize manipulator to grip long nozzle a long way off, doing so avoids the injury of toxic gas to operating personnel of leakage.After fixing long nozzle, promote clamping dolly direction guiding rail I direction to move, clamping dolly clamping long nozzle is after guide rail I, travelling car I and travelling car II promote in opposite directions, make muff left jacketing and muff right jacketing closed long nozzle muff integrally, in being wrapped in by long nozzle, last flame jet enters burner jet flames to long nozzle muff, utilizes flame to heat the long nozzle in long nozzle muff simultaneously.Flame rises along spiral space bottom muff with around long nozzle, finally from crater ejection, so just heats around without dead angle long nozzle 360 degree.Relative to open roasting mode, flame is more concentrated, and utilization efficiency of heat energy is higher, former open baking needs more than 2 hours, only needs now the temperature being just heated to needs for about 20 minutes, not only shortens baking time, also a saving the energy.
As optimization, described manipulator comprises the bracing frame be arranged on described clamping dolly, support frame as described above is provided with grabs folder, described end of grabbing folder is provided with hydraulic cylinder, described folder of grabbing comprises clamping arm I, clamping arm II, connecting rod I and connecting rod II, described clamping arm I and clamping arm II are articulated and connected with bracing frame respectively, the push rod top of described hydraulic cylinder is provided with hinge, one end of described connecting rod I and one end of connecting rod II are articulated and connected by described hinge, the other end and the described clamping arm I of described connecting rod I are articulated and connected, the other end and the described clamping arm II of described connecting rod II are articulated and connected.Utilize the flexible of hydraulic cylinder push rod, control the clamping to long nozzle of clamping arm I and clamping arm II or unclamp, making long nozzle fix more convenient and quicker.
As optimization, pedestal between described travelling car I and described travelling car II is provided with muff trolley moving device, the reductor I that described muff trolley moving device comprises motor I and is connected with motor I output, the output shaft of described reductor I comprises respectively along described guide rail I bearing of trend and the screw rod I mutually oppositely extended and screw rod II, the thread rotary orientation of described screw rod I is contrary with the thread rotary orientation of described screw rod II, described travelling car I is provided with the swivel nut I with the threaded engagement of screw rod I, described travelling car II is provided with the swivel nut II with the threaded engagement of screw rod II.Starter motor I, reductor I output shaft rotation, namely screw rod I and screw rod II rotate, because the thread rotary orientation of screw rod I is contrary with the thread rotary orientation of described screw rod II, so the swivel nut I coordinated with it and swivel nut II will move toward one another or reverse motions, only need the direction of rotation controlling motor I, just can control the moving direction of travelling car I and described travelling car II.
As optimization, described long nozzle clamping device also comprises clamping trolley moving device, described clamping trolley moving device comprises the motor II be arranged on pedestal and the reductor II be connected with motor II output, the output shaft of described reductor II comprises along guide rail II bearing of trend and towards the screw rod III in guide rail I direction, described clamping dolly is provided with the swivel nut III with the threaded engagement of screw rod III.After long nozzle grips or after having toasted, need mobile clamping dolly to enter or exit baking working position, control the direction of rotation of motor II, screw rod III forward or reverse, clamping dolly is advanced or retreats.
As optimization, the end face that described muff left jacketing is relative with described muff right jacketing is provided with alignment pin I and locating hole II, described alignment pin I and locating hole II are arranged respectively along the center line left and right sides of described end face, and the end face that described muff right jacketing is relative with described muff left jacketing is provided with the locating hole I corresponding with described alignment pin I and the alignment pin II corresponding with described locating hole II.Muff left jacketing and muff right jacketing are in the process of closing up, certain deviation may be had in the size of closing up, the spiral space formed has certain dislocation, the end face of muff left jacketing or muff right jacketing is made to be exposed in spiral space, long flame heating, may cause damage to body.
As optimization, the axial diameter of described alignment pin I and described alignment pin II reduces gradually from bottom to top, and the internal diameter of described locating hole I and described locating hole II coordinates with the outer radial of alignment pin I and alignment pin II respectively.Alignment pin top diameter is less than locating hole opening part diameter, and such alignment pin is more easily inserted in locating hole.
As optimization, described helical groove surface is provided with flame retardant coating, and described flame retardant coating comprises the wire netting being arranged on helical groove surface, and described wire netting is laid with fire clay.Improve the service life of helical groove, avoid Yin Gaowen in Long-Time Service and damage, in addition when deposited fire clay, wire netting provides attachment basis for fire clay, avoids fire clay and comes off in helical groove.
In sum, the beneficial effects of the utility model are: the utility model structure is simple, with low cost; easy to operate, result of use well also can repeatedly use, and shortens baking time; improve baking efficiency of utilization; entirety heats long nozzle, ensure that long nozzle heating-up temperature is even, avoids the generation of molten steel solidification phenomenon; improve the fluency watering steel; the operation also achieving baking working region is unmanned, protects operating personnel's life security, eliminates potential safety hazard.
Accompanying drawing explanation
In order to make the object of utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein:
Fig. 1 is top view of the present utility model;
Fig. 2 is front view of the present utility model;
Fig. 3 is the structural representation of manipulator of the present utility model;
Fig. 4 is the structural representation of muff left jacketing of the present utility model;
Fig. 5 is the structural representation of muff right jacketing of the present utility model;
Fig. 6 is the schematic cross-section of helical groove of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in the figure, a kind of long nozzle apparatus for baking of the utility model, comprise pedestal 1, long nozzle clamping device and muff apparatus for baking, described muff apparatus for baking comprises long nozzle muff and long nozzle muff mobile device, described long nozzle muff is provided with the inwall matched with long nozzle profile, the helical groove 25 extending axially up to top along it is provided with bottom described long nozzle muff inwall, be provided with bottom described long nozzle muff be communicated with helical groove 25 enter burner 26, described long nozzle muff top is provided with the crater 27 be communicated with helical groove 25, described long nozzle muff is made up of muff left jacketing 2 and muff right jacketing 3, described long nozzle muff mobile device comprises the guide rail I 4 be arranged on pedestal 1, described guide rail I 4 is respectively equipped with the travelling car I 5 along the movement of guide rail I 4 bearing of trend and travelling car II 6, described travelling car I 5 top and muff left jacketing 2 are connected and fixed, described travelling car II 6 top and muff right jacketing 3 are connected and fixed, described long nozzle clamping device comprise be arranged on pedestal 1 and towards guide rail I 4 direction extend guide rail II 7, described guide rail II 7 is provided with the clamping dolly 8 along the movement of guide rail II 7 bearing of trend, described clamping dolly 8 is provided with the manipulator for clamping long nozzle.
In this detailed description of the invention, described manipulator comprises the bracing frame 9 be arranged on described clamping dolly 8, support frame as described above 9 is provided with grabs folder, described end of grabbing folder is provided with hydraulic cylinder 10, described folder of grabbing comprises clamping arm I 11, clamping arm II 12, connecting rod I 13 and connecting rod II 18, described clamping arm I 11 and clamping arm II 12 are articulated and connected with bracing frame 9 respectively, the push rod top of described hydraulic cylinder 10 is provided with hinge 24, one end of described connecting rod I 13 and one end of connecting rod II 18 are articulated and connected by described hinge 24, the other end and the described clamping arm I 11 of described connecting rod I 13 are articulated and connected, the other end and the described clamping arm II 12 of described connecting rod II 18 are articulated and connected.
In this detailed description of the invention, pedestal 1 between described travelling car I 5 and described travelling car II 6 is provided with muff trolley moving device, the reductor I 15 that described muff trolley moving device comprises motor I 14 and is connected with motor I 14 output, the output shaft of described reductor I 15 comprises respectively along described guide rail I 4 bearing of trend and the screw rod I 16 mutually oppositely extended and screw rod II 17, the thread rotary orientation of described screw rod I 16 is contrary with the thread rotary orientation of described screw rod II 17, described travelling car I 5 is provided with the swivel nut I with the threaded engagement of screw rod I 16, described travelling car II 6 is provided with the swivel nut II 19 with the threaded engagement of screw rod II 17.
In this detailed description of the invention, described long nozzle clamping device also comprises clamping trolley moving device, described clamping trolley moving device comprises the motor II 20 be arranged on pedestal 1 and the reductor II 21 be connected with motor II 20 output, the output shaft of described reductor II 21 comprises along guide rail II 7 bearing of trend and towards the screw rod III 22 in guide rail I 4 direction, described clamping dolly 8 is provided with the swivel nut III 23 with the threaded engagement of screw rod III 22.
In this detailed description of the invention, the end face that described muff left jacketing 2 is relative with described muff right jacketing 3 is provided with alignment pin I 28 and locating hole II 29, described alignment pin I 28 and locating hole II 29 are arranged respectively along the center line left and right sides of described end face, and the end face that described muff right jacketing 3 is relative with described muff left jacketing 2 is provided with the locating hole I 30 corresponding with described alignment pin I 28 and the alignment pin II 31 corresponding with described locating hole II 29.
In this detailed description of the invention, the axial diameter of described alignment pin I 28 and described alignment pin II 31 reduces gradually from bottom to top, and the internal diameter of described locating hole I 30 and described locating hole II 29 coordinates with the outer radial of alignment pin I 28 and alignment pin II 31 respectively.
In this detailed description of the invention, described helical groove 25 surface is provided with flame retardant coating, and described flame retardant coating comprises the wire netting 32 being arranged on helical groove 25 surface, and described wire netting 32 is laid with fire clay 33.
When needing to carry out Baking out to long nozzle, hydraulic cylinder 10 is utilized to control clamping arm I 11 and long nozzle clamps by clamping arm II 12, starter motor II 20, screw rod III 22 rotates, clamping dolly 8 direction guiding rail I 4 direction is moved, long nozzle is after guide rail I 4, starter motor I 14, screw rod I 16 and screw rod II 17 rotate, travelling car I 5 and travelling car II 6 relative movement, muff left jacketing 2 and muff right jacketing 3 are closed up, and in long nozzle is wrapped in, burner jet flames is packed into long nozzle insulation, long nozzle in long nozzle muff is toasted.After baking terminates, starter motor I 14 reverses, screw rod I 16 and screw rod II 17 reverse thereupon, travelling car I 5 and travelling car II 6 move round about, and muff left jacketing 2 and muff right jacketing 3 separately, are restarted motor II 20 and reversed, clamping dolly 8 moves to away from guide rail I 4 direction, leave baking working position, last hydraulic control cylinder 10 makes clamping arm I 11 and clamping arm II 12 be unclamped by long nozzle, is arranged on by long nozzle on ladle and uses.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described the utility model by referring to preferred embodiment of the present utility model, but those of ordinary skill in the art is to be understood that, various change can be made to it in the form and details, and not depart from the spirit and scope of the present utility model that appended claims limits.
Claims (7)
1. a long nozzle apparatus for baking, it is characterized in that: comprise pedestal, long nozzle clamping device and muff apparatus for baking, described muff apparatus for baking comprises long nozzle muff and long nozzle muff mobile device, described long nozzle muff is provided with the inwall matched with long nozzle profile, the helical groove extending axially up to top along it is provided with bottom described long nozzle muff inwall, be provided with bottom described long nozzle muff be communicated with helical groove enter burner, described long nozzle muff top is provided with the crater be communicated with helical groove, described long nozzle muff is made up of muff left jacketing and muff right jacketing, described long nozzle muff mobile device comprises the guide rail I be arranged on pedestal, described guide rail I is respectively equipped with the travelling car I along the movement of guide rail I bearing of trend and travelling car II, described travelling car I top and muff left jacketing are connected and fixed, described travelling car II top and muff right jacketing are connected and fixed, described long nozzle clamping device comprise be arranged on pedestal and towards guide rail I direction extend guide rail II, described guide rail II is provided with the clamping dolly along the movement of guide rail II bearing of trend, described clamping dolly is provided with the manipulator for clamping long nozzle.
2. a kind of long nozzle apparatus for baking according to claim 1, it is characterized in that: described manipulator comprises the bracing frame be arranged on described clamping dolly, support frame as described above is provided with grabs folder, described end of grabbing folder is provided with hydraulic cylinder, described folder of grabbing comprises clamping arm I, clamping arm II, connecting rod I and connecting rod II, described clamping arm I and clamping arm II are articulated and connected with bracing frame respectively, the push rod top of described hydraulic cylinder is provided with hinge, one end of described connecting rod I and one end of connecting rod II are articulated and connected by described hinge, the other end and the described clamping arm I of described connecting rod I are articulated and connected, the other end and the described clamping arm II of described connecting rod II are articulated and connected.
3. a kind of long nozzle apparatus for baking according to claim 1, it is characterized in that: the pedestal between described travelling car I and described travelling car II is provided with muff trolley moving device, the reductor I that described muff trolley moving device comprises motor I and is connected with motor I output, the output shaft of described reductor I comprises respectively along described guide rail I bearing of trend and the screw rod I mutually oppositely extended and screw rod II, the thread rotary orientation of described screw rod I is contrary with the thread rotary orientation of described screw rod II, described travelling car I is provided with the swivel nut I with the threaded engagement of screw rod I, described travelling car II is provided with the swivel nut II with the threaded engagement of screw rod II.
4. a kind of long nozzle apparatus for baking according to claim 1, it is characterized in that: described long nozzle clamping device also comprises clamping trolley moving device, described clamping trolley moving device comprises the motor II be arranged on pedestal and the reductor II be connected with motor II output, the output shaft of described reductor II comprises along guide rail II bearing of trend and towards the screw rod III in guide rail I direction, described clamping dolly is provided with the swivel nut III with the threaded engagement of screw rod III.
5. a kind of long nozzle apparatus for baking according to claim 1, it is characterized in that: the end face that described muff left jacketing is relative with described muff right jacketing is provided with alignment pin I and locating hole II, described alignment pin I and locating hole II are arranged respectively along the center line left and right sides of described end face, and the end face that described muff right jacketing is relative with described muff left jacketing is provided with the locating hole I corresponding with described alignment pin I and the alignment pin II corresponding with described locating hole II.
6. a kind of long nozzle apparatus for baking according to claim 5, it is characterized in that: the axial diameter of described alignment pin I and described alignment pin II reduces gradually from bottom to top, the internal diameter of described locating hole I and described locating hole II coordinates with the outer radial of alignment pin I and alignment pin II respectively.
7. a kind of long nozzle apparatus for baking according to claim 1, is characterized in that: described helical groove surface is provided with flame retardant coating, and described flame retardant coating comprises the wire netting being arranged on helical groove surface, and described wire netting is laid with fire clay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420563658.9U CN204052873U (en) | 2014-09-28 | 2014-09-28 | A kind of long nozzle apparatus for baking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420563658.9U CN204052873U (en) | 2014-09-28 | 2014-09-28 | A kind of long nozzle apparatus for baking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204052873U true CN204052873U (en) | 2014-12-31 |
Family
ID=52194463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420563658.9U Expired - Lifetime CN204052873U (en) | 2014-09-28 | 2014-09-28 | A kind of long nozzle apparatus for baking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204052873U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109332621A (en) * | 2018-10-15 | 2019-02-15 | 哈尔滨博实自动化股份有限公司 | A kind of device suitable for intelligent automation operation on continuous casting platform |
| CN112916845A (en) * | 2021-01-22 | 2021-06-08 | 武汉钢铁有限公司 | Intelligent heat preservation system for ladle long nozzle |
| CN113477919A (en) * | 2021-08-09 | 2021-10-08 | 北京首钢国际工程技术有限公司 | Ladle long nozzle manipulator |
-
2014
- 2014-09-28 CN CN201420563658.9U patent/CN204052873U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109332621A (en) * | 2018-10-15 | 2019-02-15 | 哈尔滨博实自动化股份有限公司 | A kind of device suitable for intelligent automation operation on continuous casting platform |
| CN109332621B (en) * | 2018-10-15 | 2023-08-04 | 哈尔滨博实自动化股份有限公司 | Device suitable for intelligent automatic operation on continuous casting table |
| CN112916845A (en) * | 2021-01-22 | 2021-06-08 | 武汉钢铁有限公司 | Intelligent heat preservation system for ladle long nozzle |
| CN113477919A (en) * | 2021-08-09 | 2021-10-08 | 北京首钢国际工程技术有限公司 | Ladle long nozzle manipulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Chongqing Iron & Steel Co.,Ltd. Assignor: CHONGQING IRON & STEEL (GROUP)Co.,Ltd. Contract record no.: 2016500000009 Denomination of utility model: Long nozzle baking device Granted publication date: 20141231 License type: Common License Record date: 20160427 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200814 Address after: 401221 District D, Yanjia Industrial Park, Changshou District, Chongqing Patentee after: Chongqing Iron and Steel Group Sanfeng Industry Co.,Ltd. Address before: Three village 400080 Dadukou District of Chongqing weir building 1 No. 1 Patentee before: CHONGQING IRON & STEEL (GROUP)Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20141231 |