CN1106649C - Manipulator for inserting temperature measuring thermal couple of reactor in nuclear electric power plant - Google Patents
Manipulator for inserting temperature measuring thermal couple of reactor in nuclear electric power plant Download PDFInfo
- Publication number
- CN1106649C CN1106649C CN94115554A CN94115554A CN1106649C CN 1106649 C CN1106649 C CN 1106649C CN 94115554 A CN94115554 A CN 94115554A CN 94115554 A CN94115554 A CN 94115554A CN 1106649 C CN1106649 C CN 1106649C
- Authority
- CN
- China
- Prior art keywords
- thermopair
- cylinder
- base
- crane
- reactor
- 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
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Manipulator (AREA)
Abstract
The present invention discloses an insertion and installation mechanical arm for the temperature-measuring thermocouple of a reactor in a nuclear power station. The present invention comprises a bottom seat, a vertical machine frame which is arranged on the bottom seat and is capable of horizontally rotating and moving in a radial mode, a lifting frame which is arranged on the machine frame and is capable of moving up and down, a guiding pipe and a guiding wheel which are arranged on the lifting frame and an assistant clamping jaw, a vessel clamping claw of a guide pipe and a sliding frame capable of lifting which are driven by an air cylinder, wherein a main clamping jaw driven by the air cylinder is arranged on the sliding frame. The mechanical arm can be conveniently inserted into the thermocouple of any position in the guide pipe. The present invention has the advantages of high speed of insertion and installation and automation degree, and is favorable special equipment of a temperature-measuring device of the reactor in the nuclear power station, which is used for installation and repair.
Description
Technical field
The present invention relates to a kind of installation, maintenance specialized equipment of nuclear power plant reactor temperature measuring equipment, is a kind of manipulator for inserting temperature measuring thermal couple of reactor in nuclear electric power plant specifically.
Background technology
At present, in France and Japan and other countries nuclear power plant reactor catheter guidance formula thermocouple temperature measuring apparatus, its thermopair plug-in mounting instrument is a manual operation tool, as Mitsubishi heavy industry disclosed Thermocople Insertion Tool in Reactor Internals Special Tools, this thermopair insertion instrument comprises a pair of thermopair clamp 51, a pair of orienting lug 52, a pair of conduit clamp 54, a pair of clamping lever 56 and a pair of control crank 53 that is used for thermopair insertion operation that is used for clamping thermopair on the thermopair clamp 51 that be installed in, thermopair clamp 51 is connected by pair of links with 52 of orienting lugs, and 53 of control cranks pass through another to rod hinge connection (see figure 10) between orienting lug 52 and conduit clamp 54.During work, this instrument is clipped in the end that thermopair conduit 55 stretches out the heap item by conduit clamp 54, orienting lug 52 is enclosed within on the conduit 55, unclamp clamping lever 56, upwards rotate control crank 53, make thermopair clamp 51 rise to the extreme higher position by orienting lug 52 and connecting rod, clamping lever 56 rotates, make thermopair clamp 51 clamp thermopair 50, rotate control crank 53 again, thermopair clamp 51 is pushed one section thermopair in moving downward process inserts in the conduit, circulate and so forth until with a thermopair piecemeal plug-in mounting go into conduit.There is following shortcoming in this instrument: (1) is owing to each the thermopair conduit gap ratio in the base on the reactor item is less, other conduits outwards must be broken into two with one's hands instrument could be installed on the conduit that needs the plug-in mounting thermopair and be carried out instrumentation operations, especially just more difficult to being positioned near the thermopair plug-in mounting of the conduit at base center; (2) use in this instrument plug-in mounting thermopair process and need just can finish by many people coordinated manipulation, plug-in mounting speed is slow in addition, and operating personnel are long in a heap residence time, are subjected to the radioactivity irradiation dose big, are unfavorable for operating personnel's safety; (3) because this instrument is artificial manual operation, the operating physical force size is easy because of the people, and randomness is big, causes the thermocouple gauge surface damage in the plug-in mounting process easily.
Summary of the invention
The purpose of this invention is to provide the convenient safety accurate, simple to operate in a kind of plug-in mounting location, the fast manipulator for inserting temperature measuring thermal couple of reactor in nuclear electric power plant that does not damage thermopair again of plug-in mounting speed.
The present invention is achieved in that a kind of manipulator for inserting temperature measuring thermal couple of reactor in nuclear electric power plant, it comprises a thermopair catheter clamping jaw, a thermopair main folder pawl and the auxilliary jaw of thermopair, it also comprises a base that is complementary with reactor base flange simultaneously, one is installed in can horizontally rotate and move radially on the base so that make the thermopair catheter clamping jaw aim at the Vertical Rack of thermopair conduit and be located at can move up and down on the Vertical Rack and makes the thermopair catheter clamping jaw clamp the crane of the thermopair conduit mouth of pipe, said Vertical Rack comprises that one is located at and is complementary by crossing cylinder roller bearing and base in the base, in base, can rotate, and have a base plate of through hole by the hollow circle tube support of steel ball locating device location and central authorities that can relative support on cylinder base radially slide, upper part of the frame is provided with four briquettings, form the rectangular guideway of base plate, wherein on a briquetting horizontally disposed cylinder is housed, its armshaft is connected with base plate, driving lower shoe at cylinder can radially slide along rectangular guideway, two root posts and a rhizoid bar vertically are installed on the base plate, screw mandrel and two columns symmetric arrangement triangular in shape, two columns and screw mandrel upper end closed connect into gantry shape framed structure, the top of screw mandrel is provided with turning handle, said crane is the two-layer up and down corresponding polygon hollow frame plate of arranging that vertical profile is " Contraband " font structure, be provided with the thermopair guide wire on the upper strata frame of crane from top to down successively, the thermopair propelling sheave, horizontally disposed cylinder and by air cylinder driven be used to prevent that thermopair from unclamping inserting the gap, the auxilliary jaw of the thermopair of skew or resilience, and vertically arranged cylinder, lower floor's frame of crane is provided with horizontally disposed cylinder and by the thermopair catheter clamping jaw of clamping the thermopair conduit in thermopair plug-in mounting process all the time of this air cylinder driven, the crane relatively that is provided with by air cylinder driven between crane two-layer up and down moves up and down to finish the balladeur train that plug-in mounting moves, balladeur train is provided with horizontally disposed cylinder, symmetric double connecting-rod force increasing device that is connected with this cylinder and the thermopair main folder pawl hinged with the double link force-increasing mechanism, crane and screw mandrel are for being threaded, with two root posts for being slidingly connected, rotate said turning handle crane is moved up and down along column.
This mechanical arm is lifted on the reactor base flange, utilizes horizontally rotating and move radially and finding the conduit that needs the plug-in mounting thermopair accurately of frame.The clamping height that utilizes moving up and down of crane to determine conduit, and clamp conduit with the thermopair catheter clamping jaw, by manually with thermopair to be installed in guide wire and propelling sheave insert conduit one section, start power source, make the main folder pawl clamp thermopair, unclamp auxilliary jaw, balladeur train moves down, and drives the main folder pawl thermopair is pushed one section in insertion conduit, makes auxilliary jaw clamp thermopair again, unclamp the main folder melon, balladeur train rises and returns, and makes the main folder melon clamp thermopair again, unclamps auxilliary jaw, repeat said process, a thermopair plug-in mounting can be gone into conduit reaches regulation until the thermopair leading section position.The invention has the advantages that it can be easily, exactly on the plug-in mounting optional position, the supravasal thermopair of thermopair of different mouth of pipe height, and needn't break other conduits into two with one's hands, other conduits can not be damaged; The plug-in mounting process is earlier by manually utilizing mechanical positioning; finish by the machine semi-automation again; whole plug-in mounting process only needs people control just can finish; and plug-in mounting speed is fast; to diameter is that 3.0mm or 3.2mm, length are that the thermopair of 8.5m is finished the plug-in mounting time and only needed 10 minutes, and thermopair is injury-free under the guiding protective of guide wire and propelling sheave in the plug-in mounting.
Description of drawings
Fig. 1 is a kind of mechanism kinematic figure of manipulator for inserting temperature measuring thermal couple of reactor in nuclear electric power plant;
Fig. 2 is a kind of construction profile figure of manipulator for inserting temperature measuring thermal couple of reactor in nuclear electric power plant;
Fig. 3 is that the A-A of Fig. 2 is to cut-open view;
Fig. 4 is that the B-B of Fig. 2 is to cut-open view;
Fig. 5 is that the C-C of Fig. 2 is to cut-open view;
Fig. 6 is that the D-D of Fig. 2 is to cut-open view;
Fig. 7 is that the E of Fig. 6 is to view;
Fig. 8 is the front view of thermopair main folder pawl;
Fig. 9 is the vertical view of Fig. 8;
Figure 10 inserts the tool construction synoptic diagram for the prior art thermopair.
Among Fig. 1～Fig. 9,1. half pawl of half pawl, the 32. thermocouple catheter clamping jaws of the auxiliary jaw of auxiliary jaw 12. cylinders, 13. thermocouple propelling sheave 14. thermocouple conduits, 15. column 16. eye hoisting screws, 17. removable lining turning handle 18. thermocouples, 19. screw mandrel 20. thermocouple main folder pawls, 21. crane 22. thermocouple conduits, 23. base plate 24. pressing plates, 25. base 26. cylinder bases, 27. reactor base flange 28. cylindrical hinge pin holes, 29. gap slot 30. locating pieces, 31. thermocouples of steel ball positioner 2. crossed cylindrical roller bearings 3. Vertical Racks 4. cylinders 5. thermocouple catheter clamping jaws 6. cylinders 7. symmetric double connecting-rod force increasing devices 8. cylinders 9. balladeur trains 10. cylinders 11. thermocouples
Among Figure 10,50. thermopairs, 51. thermopair clamps, 52. orienting lugs, 53. control cranks, 54. conduit clamps, 55. thermopair conduits, 56. clamping levers
Embodiment
As Fig. 1, Fig. 2, Fig. 6 and shown in Figure 7, a kind of manipulator for inserting temperature measuring thermal couple of reactor in nuclear electric power plant, it comprises a base 25 that is complementary with reactor base flange 27, one is installed in the Vertical Rack that can horizontally rotate and move radially on the base 25 3 and is located at crane 21 moving up and down on the Vertical Rack 3, and said Vertical Rack 3 comprises that one is located at the hollow circle tube support 26 that is complementary by crossing cylinder roller bearing 2 and base 25 in the base 25 and one and is located at the base plate 23 that can radially slide on the cylinder base 26.The central authorities of base plate 23 have bigger through hole, so that all thermopair conduits 22 all can pass.Cylinder base 26 can horizontally rotate in base 25, and by steel ball locating device 1 location.The top of support 26 is provided with four block pressur plates 24, form the rectangular guideway of base plate 23, wherein on the block pressur plate 24 horizontally disposed cylinder 4 is housed, cylinder 4 armshafts are connected with base plate 23, base plate 23 is radially slided at the promotion lower edge of cylinder 4 rectangular guideway, its objective is the thermopair on the conduit 22 that can be positioned at the base center, and avoid when transposition each jaw of horizontally rotating of Vertical Rack 3 to collide other locational thermopair conduits 22.Two circular pillars 15 and a rhizoid bar 19 vertically are installed, screw mandrel 19 and two root posts, 15 symmetric arrangement triangular in shape on the base plate 23.The upper end closed of two columns 15 and screw mandrel 19 is connected, and forms gantry shape framed structure, and is provided with eye lifting screw 16 on its top.The top of screw mandrel 19 is provided with removable lining turning handle 17, rotates this handle 17, and crane 21 is slided up and down along column 15.Said crane 21 is the upper and lower two-layer corresponding polygon hollow frame plate of arranging of " Contraband " font structure for vertical profile, and middle interconnecting piece is divided into the nut that matches with screw mandrel 19 on the crane 21.As Fig. 1～shown in Figure 6, thermopair guide wire 14, thermopair propelling sheave 13, horizontally disposed cylinder 10 and the auxilliary jaw 11 of thermopair that is driven by cylinder 10 are arranged on the upper strata frame of crane 21 from top to down successively, and vertically arranged cylinder 12.Auxilliary jaw 11 is made up of two half different pawls, one of them half pawl 31 is produced on the upper strata frame of crane 21, second half pawl 11 links to each other with the armshaft of cylinder 10, under the driving of cylinder 10, can do parallel moving, thereby clamp or unclamp, its effect be prevent thermopair 18 insert that the gap is loosening, skew or resilience.The thermopair catheter clamping jaw 5 that on lower floor's frame of crane 21, is provided with horizontally disposed cylinder 6 and drives by cylinder 6, this jaw 5 is made up of two half different pawls, one of them half pawl 32 is fixed on lower floor's frame of crane 21, second half pawl 5 links to each other with the armshaft of cylinder 6, can do translation under the driving of cylinder 6, thermopair catheter clamping jaw 5 is clamped thermopair conduit 22 all the time in the plug-in mounting process.Be provided with the balladeur train 9 that utilizes two columns, 15 guiding between upper and lower two-layer of crane 21, the armshaft of above-mentioned vertically arranged cylinder 12 is connected with balladeur train 9, and balladeur train 9 can move up and down along column 15 relative cranes 21 under the driving of cylinder 12.Balladeur train 9 is provided with the cylinder 8 of horizontal positioned, the symmetric double connecting-rod force increasing device 7 that is connected with cylinder 8 armshafts and the thermopair main folder pawl 20 hinged with double link force-increasing mechanism 7.Main folder pawl 20 can clamp thermopair 18, and does the thermopair insert action with balladeur train 9 under the promotion of cylinder 12.As Fig. 5, Fig. 8 and shown in Figure 9, thermopair main folder pawl 20 likeness in form one clamp, it is to be involuted by two half identical pawls, has cylindrical hinge pin hole 28 on per half pawl, and by joint pin the two halves pawl is connected, the position that clamps thermopair on each half pawl has circular arc or v-notch groove 29.
In the present embodiment, cylinder 8,10 all is connected with a solenoid valve with 12, and the solenoid control signal is by ACMY-S80M type programmable controller controls, and the working routine of this controller satisfies the step preface of following insertion thermopair; Main folder pawl 20 clamps thermopair 18, auxilliary jaw 11 unclamps, balladeur train 9 moves down thermopair 18 is pushed 22 1 sections in insertion conduit, auxilliary jaw 11 is clamped thermopair 18, and main folder pawl 20 unclamps, and balladeur train 9 rises and returns, main folder pawl 20 is clamped thermopair 18 again, circulation and so forth, until thermopair being inserted conduit 22, the thermopair front end reaches the position of regulation.Programmable controller also has the electric interlock control function, Vertical Rack 3 could move radially when guaranteeing that each jaw is in releasing orientation, after clamping conduit 22, vessel clamp melon 5 could realize cylinder 8,10 and 12 interlocks, make to insert the Automatic Cycle step preface of thermopair, and when main folder melon 20 presss from both sides partial heat galvanic couples 18 or barrier makes the insertion resistance excessive for some reason, machine can quit work automatically, and report to the police, its specific implementation method is: sequence of movement and the control according to each cylinder requires to program and input to programmable controller in advance, by the sequence of movement of programmable controller by this each cylinder of Program Coordination.This mechanical arm also is provided with mechanical self-latching mechanism in addition, the Vertical Rack 3 that prevents to be under the duty is bumped rotation by mistake, its specific implementation method is: being provided with section in the bottom of base plate 23 is the locating piece 30 of rectangle, when base plate 23 moves radially to thermopair insertion conduit working position with whole frame 3, locating piece 30 enters in the rectangular indentation groove of offering on the fixing base 25, thus stop.In the present embodiment, the work bleed pressure is 0.5MPa, and the theoretical clamping force of thermopair main folder pawl 20 is 2.3kN, and it is 0.54kN that thermopair inserts thrust.
Claims (3)
1. manipulator for inserting temperature measuring thermal couple of reactor in nuclear electric power plant, it comprises a thermopair catheter clamping jaw (5), a thermopair main folder pawl (20) and the auxilliary jaw (11) of thermopair, it is characterized in that it also comprises a base (25) that is complementary with reactor base flange, one is installed in can horizontally rotate and move radially on the base (25) so that make thermopair catheter clamping jaw (5) aim at the Vertical Rack (3) of thermopair conduit and be located at can move up and down on the Vertical Rack (3) and makes thermopair catheter clamping jaw (5) clamp the crane (21) of the thermopair conduit mouth of pipe, said Vertical Rack (3) comprises that one is located in the base (25) and is complementary by crossing cylinder roller bearing (2) and base (25), in base (25), can rotate, and have a base plate (23) of through hole by the hollow circle tube support (26) of steel ball locating device (1) location and central authorities that can relative support (26) on cylinder base (26) radially slide, support (26) top is provided with four briquettings (24), form the rectangular guideway of base plate (23), wherein on the briquetting (24) horizontally disposed cylinder (4) is housed, its armshaft is connected with base plate (23), driving lower shoe (23) at cylinder (4) can radially slide along rectangular guideway, two root posts (15) and a rhizoid bar (19) vertically are installed on the base plate (23), screw mandrel (19) and two columns (15) symmetric arrangement triangular in shape, two columns (15) and screw mandrel (19) upper end closed connect into gantry shape framed structure, the top of screw mandrel (19) is provided with turning handle (17), said crane (21) is the two-layer up and down corresponding polygon hollow frame plate of arranging of " Contraband " font structure for vertical profile, be provided with thermopair guide wire (14) on the upper strata frame of crane (21) from top to down successively, thermopair propelling sheave (13), horizontally disposed cylinder (10) and prevent that by cylinder (10) being used to of driving thermopair from unclamping inserting the gap, the auxilliary jaw (11) of the thermopair of skew or resilience, and vertically arranged cylinder (12), the thermopair catheter clamping jaw (5) of in thermopair plug-in mounting process, clamping the thermopair conduit all the time that lower floor's frame of crane (21) is provided with horizontally disposed cylinder (6) and is driven by cylinder (6), being provided with the crane relatively (21) that is driven by cylinder (12) between crane (21) two-layer up and down moves up and down to finish the balladeur train (9) that plug-in mounting moves, balladeur train (9) is provided with horizontally disposed cylinder (8), symmetric double connecting-rod force increasing device (7) that is connected with cylinder (8) and the thermopair main folder pawl (20) hinged with double link force-increasing mechanism (7), crane (21) and screw mandrel (19) are for being threaded, with two root posts (15) for being slidingly connected, rotate said turning handle (17) crane (21) is moved up and down along column (15).
2. according to the said a kind of manipulator for inserting temperature measuring thermal couple of reactor in nuclear electric power plant of claim 1, the cylinder (8), (10) that it is characterized in that said driving thermopair main folder pawl (20), auxilliary jaw (11) and balladeur train (9) all are connected with a solenoid valve with (12), the control signal of each solenoid valve is by ACMY-S80M type programmable controller controls, to finish the step preface of plug-in mounting thermopair, be provided with the locating piece that section is a rectangle (30) in the bottom of base plate (23), on base (25), have corresponding rectangular indentation groove, as mechanical self-latching mechanism.
3. according to claim 1 or 2 said a kind of manipulator for inserting temperature measuring thermal couple of reactor in nuclear electric power plant, it is characterized in that said main folder pawl (20) is clamp-shaped, it is to be involuted by two half identical pawls, have cylindrical hinge hole (28) on each half pawl, and by the joint pin connection, the position that clamps thermopair on each half pawl has circular arc or V-notch groove (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94115554A CN1106649C (en) | 1994-09-02 | 1994-09-02 | Manipulator for inserting temperature measuring thermal couple of reactor in nuclear electric power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94115554A CN1106649C (en) | 1994-09-02 | 1994-09-02 | Manipulator for inserting temperature measuring thermal couple of reactor in nuclear electric power plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1129840A CN1129840A (en) | 1996-08-28 |
| CN1106649C true CN1106649C (en) | 2003-04-23 |
Family
ID=5037584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94115554A Expired - Lifetime CN1106649C (en) | 1994-09-02 | 1994-09-02 | Manipulator for inserting temperature measuring thermal couple of reactor in nuclear electric power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1106649C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2949992B1 (en) * | 2009-09-16 | 2011-10-14 | Areva Np | DEVICE FOR AIDING WATER DURING THE EXTRACTION OR INSERTION OF AN ELONGATED SHAPE MEMBER IN A CONDUIT AND METHOD OF SUPPORTING THE EXTRACTION OR INSERTION OF SUCH AN ELEMENT. |
| CN103542947B (en) * | 2013-08-02 | 2016-05-18 | 北京七星华创电子股份有限公司 | A kind of thermocouple lowering or hoisting gear |
| CN105500284A (en) * | 2016-01-28 | 2016-04-20 | 上海核工程研究设计院 | Mounting tool for reactor core instrument |
| CN105736510B (en) * | 2016-04-26 | 2017-08-08 | 武汉大学 | A kind of single cylinder double-piston endoporus manipulator |
-
1994
- 1994-09-02 CN CN94115554A patent/CN1106649C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN1129840A (en) | 1996-08-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202640354U (en) | Multi-station mechanical arm carrying mechanism | |
| CN107716617A (en) | A kind of axle pipe part automatic alignment machine | |
| CN210139125U (en) | Hexagonal nut is clamping processingequipment in batches | |
| CN110000854A (en) | A kind of tubing intelligence drilling control system and control mode | |
| CN109571415A (en) | A kind of three axis truss robot device of four station | |
| CN104551679A (en) | Steam cylinder body processing equipment | |
| CN1106649C (en) | Manipulator for inserting temperature measuring thermal couple of reactor in nuclear electric power plant | |
| CN207494404U (en) | Tube expansion processing unit (plant) and with its electric tube expander | |
| CN104191194A (en) | Device for refrigerator compressor core to be automatically placed in shell | |
| CN206998961U (en) | Grabbing device and transporting equipment | |
| CN209319773U (en) | A kind of three axis truss robot device of four station | |
| CN111672945A (en) | Pipe bending machine capable of being adjusted at multiple angles | |
| CN214350681U (en) | Automatic assembling system for injection molding machine parts | |
| CN109047533A (en) | A kind of Pipe necking machine tubing positioning device | |
| CN114194800A (en) | Mechanical automatic gripping device for machining and manufacturing | |
| CN209812513U (en) | Intelligent drilling equipment for polymer pipe excircle in batches | |
| CN109910101A (en) | A kind of macromolecule tubing clamp method and clamping device | |
| CN112475645A (en) | Follow-up supporting and centering clamping mechanism for realizing laser pipe cutting machine | |
| CN109968451A (en) | A kind of intelligent boring method of macromolecule tubing outer circle batch | |
| CN112556427A (en) | High temperature furnace system for high temperature material mechanics test | |
| CN206702724U (en) | Automatic feeding system and machining center | |
| CN216881808U (en) | Numerical control drilling equipment | |
| CN113059332B (en) | Automatic assembling system for injection molding machine parts | |
| CN214978612U (en) | Follow-up supporting and centering clamping mechanism for realizing laser pipe cutting machine | |
| CN220165590U (en) | Novel automatic hoisting tool for reducing personnel and operation steps |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140902 Granted publication date: 20030423 |