CN201271798Y - Automatic constant pressure push pointer - Google Patents
Automatic constant pressure push pointer Download PDFInfo
- Publication number
- CN201271798Y CN201271798Y CNU2008201497191U CN200820149719U CN201271798Y CN 201271798 Y CN201271798 Y CN 201271798Y CN U2008201497191 U CNU2008201497191 U CN U2008201497191U CN 200820149719 U CN200820149719 U CN 200820149719U CN 201271798 Y CN201271798 Y CN 201271798Y
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Abstract
The utility model relates to special equipment for producing textile parts, namely, nylon shuttles, in particular to an automatic constant pressure push pointer. A hydraulic oil cylinder is arranged on the base of the automatic constant pressure push pointer, which is matched with the base of the automatic constant pressure push pointer and corresponds to a shuttle gripping tool. The hydraulic oil cylinder body is connected with oil delivery pipes on both ends of a piston in the hydraulic oil cylinder body respectively. The oil delivery pipes are connected with a hydraulic power pack through one two-position or three-position four-way electromagnetic directional valve. Electro connecting pressure gauges are connected with the oil delivery pipes. The working process of the automatic constant pressure push pointer is achieved through a control circuit; the labor intensity of workers is reduced. The automatic constant pressure push pointer pushes shuttle points under one pressure, and works stably. The nylon shuttles receive the same pressure despite the length of the nylon shuttles. The pressure is kept for the same time under the same pressure, thus ensuring the product quality. By adopting the electric stopping mode, the stopping distance can be flexibly set according to the length of the bodies of the nylon shuttles, thus ensuring the bodies of all nylon shuttles with different lengths to be properly pushed in position and enlarging the scope of application of the push pointer.
Description
One, technical field:
The utility model relates to a kind of special equipment of producing the textile workpiece Nylon shuttle, particularly relates to a kind of automatic constant-pressure bar pointer.
Two, background technology:
Bar pointer is to load onto suitable frock to make steel spur be pressed into shuttle body in the mode of interference with brute force to Nylon shuttle base two ends in forcing press.After requiring spur to be pressed into the shuttle body slit must not be arranged, be pressed in the process of spur the shuttle body is deformed.It is the key that guarantees product quality that forcing press is kept constant voltage.Bar pointer controlled pressure in the past is to adopt limiting plate to stop the oil cylinder piston bar to move down, and the mode of stepping on pin is finished advancing of oil cylinder piston bar by linkage control hand-operated direction valve and moved back.The degree of advancing is entirely with individual sensation, depresses when piston rod to run into the limiting plate resistance in the process and increase, and pressure raises, and hears that oil pump sound increases, and unclamps then, and by the spring hand-operated direction valve return of pulling back, piston rod is return, and finishes pressing action one time.Existing bar pointer structure is referring to Fig. 1, corresponding clip shuttle frock 2 is installed hydraulic jack 5 on bar pointer frame 1, the piston rod 4 of described hydraulic jack 5 and folder shuttle frock 2 couplings, above folder shuttle frock 2 on the frame 1, be provided with limiting plate 3 with the piston rod coupling of hydraulic jack, hydraulic jack 2 inner carrier two ends cylinder bodies connect petroleum pipeline 6 respectively, be connected with the hydraulic power unit 9 of oil pressure dynamical system by hand-operated direction valve 8 and (connect oil circuits by foot-operated linkage 7 and to finish the piston rod pressing action, unclamp linkage after pressing action is finished, hand-operated direction valve is resetted) by back-moving spring.Its control circuit is general conventional motor governor circuit (schematic diagram is seen Fig. 3, and K is a switch among the figure, and D is a three phase alternating current motor).Fig. 2 is existing bar pointer oil pressure dynamical system structural representation, and the representative meaning that number in the figure is identical is the same, and 11 is overflow valve among the figure.
There is following significantly technological deficiency in present bar pointer: 1, unstable working condition can not guarantee the product quality that extrudes.Because pointing is to press two steel points at Nylon shuttle body two ends, and the Nylon shuttle body is plastic injection-moulded product, shrinkage factor is big, easily cause the Nylon shuttle body different in size, and present bar pointer is spacing by limiting plate, the position can not be moved with the length of Nylon shuttle body, so make the shuttle body deformability for long shuttle body pressure Da Yi, because the spacing spur that is pressed into of baffle plate is not tight, the slit is arranged easily for short shuttle body, cause product quality defective.2, energy consumption is bigger, causes unnecessary energy waste.Present bar pointer oil pressure dynamical system oil circuit adopts an overflow valve and one two position four-way valve, and the off working state behind oil pressure pumping plant electric motor starting also has pressure, and most of energy of this moment all has been wasted.3, automaticity is not high, and labor strength is big.Process of depressing in the present bar pointer work and fall back process are to tramp with one's feet down and return by the operator to lift control link mechanism and control, and physical demands is big, and human factor is many, and the operator is easy to fatigue, and operating efficiency reduces, and product quality can not accurately be controlled.
Three, utility model content:
The utility model is at the prior art deficiency, a kind of automatic constant-pressure bar pointer is proposed, by process control circuit oil pressure dynamical system and bar pointer are carried out the electromechanical integration improvement, be in pressure constant state when guaranteeing bar pointer work, improve bar pointer operating efficiency and stability, reduce energy resource consumption, improve the quality of products.
The technical scheme that the utility model adopted:
A kind of automatic constant-pressure bar pointer, contain organic frame, oil pressure dynamical system and control circuit, corresponding clip shuttle frock is installed hydraulic jack on frame, described hydraulic cylinder piston rod and folder shuttle frock coupling, hydraulic jack inner carrier two ends cylinder body connects petroleum pipeline respectively, described control circuit comprises that oil pressure dynamical system oil pump opens and closes governor circuit, the oil pump X button, oil pump is released the button and ac contactor coil is connected in series between a power supply phase line and the neutral conductor successively, the self-locking of releasing the button of auxiliary normally opened contact of A.C. contactor and oil pump is connected, described petroleum pipeline is by one two or 3-position 4-way solenoid directional control valve connection hydraulic power unit, connect electro connecting pressure gauge on the pipeline road, the pedal control switch and first auxiliary reclay are connected in series between the connected node that oil pump X button and oil pump are released the button and the power supply neutral conductor, the normally opened contact of first auxiliary reclay and solenoid directional control valve hydraulic cylinder piston rod press down the working electromagnet iron coil and are connected between the connected node and the power supply neutral conductor that oil pump X button and oil pump release the button, the electro connecting pressure gauge upper limit switch contact and the second auxiliary reclay coil are connected between the connected node and the power supply neutral conductor that oil pump X button and oil pump release the button, the normally opened contact of second auxiliary reclay is connected in parallel between electro connecting pressure gauge upper limit switch two contacts, the second auxiliary reclay coil two ends time relay in parallel, the normally-closed contact of second auxiliary reclay is connected between the pedal control switch and first auxiliary reclay, the delay cut-off switch contact of the time relay, the coil of the normally opened contact of first auxiliary reclay and the 3rd auxiliary reclay is connected in series between the power supply phase line and the neutral conductor, the normally-closed contact of the 3rd auxiliary reclay is connected between the pedal control switch and first auxiliary reclay, and the normally opened contact of the 3rd auxiliary reclay is return working electromagnet with the solenoid directional control valve hydraulic cylinder piston rod and is connected in series between the power supply phase line and the neutral conductor.
Described automatic constant-pressure bar pointer contains the pressure manual reset switch that hydraulic cylinder piston rod is return, and the delay cut-off switch contact of the described pressure manual reset switch and the time relay is connected in parallel.
Described automatic constant-pressure bar pointer, being provided with hydraulic cylinder piston rod with the hydraulic cylinder piston rod correspondence on frame presses down limit switch and returns limit switch, the corresponding triggering structural member of fixing and described limit switch coupling on hydraulic cylinder piston rod, two contacts that press down limit switch are connected in the pedal control switch and the first auxiliary reclay wire loop, two contacts of returning limit switch are connected on the oil pump X button, oil pump is released the button and the power input of the connected node of pedal control switch and electro connecting pressure gauge between.
Useful good effect of the present utility model:
1, the utility model automatic constant-pressure bar pointer hydraulic power system is a constant voltage, and stable working state can guarantee product quality.Insert electro connecting pressure gauge at the oil piping system of bar pointer, carry out pressurize when pressure reaches setting value, finish and set off-load after the dwell time, piston rod is return automatically and is finished a punching press.Be pressed into spur and carry out under same pressure, the pressure that Nylon shuttle body length is subjected to all is identical, and under identical pressure the identical time of pressurize, thereby guaranteed that each Nylon shuttle body is pressed into the quality of spur.
2, the utility model automatic constant-pressure bar pointer good energy-conserving effect owing to adopt 3-position 4-way M type solenoid directional control valve in the hydraulic circuit, is a unloading condition when off working state, can save lot of energy compared with before-improvement.Calculate per hour to produce 120 Nylon shuttles according to practical condition, pressed down with fall back process when shared 7 seconds, calculating power consumption by this only is original 23.3%.Calculate for bar pointer 5KW motor service efficiency 80%, every Nylon shuttle is saved 0.0256 degree electricity, by producing 600000 calculations per year, can save 15340 degree.
3, the utility model automatic constant-pressure bar pointer adopts electric spacingly, and spacing distance can be provided with flexibly according to Nylon shuttle body length, can guarantee can both be pressed onto the position to the Nylon shuttle body of all samples different in size, has enlarged the bar pointer scope of application.Control circuit design simultaneously has limit switch, automatically stop to desired location, the piston rod process that presses down is again that a crawl process can stop at any time, fall back process is provided with forces manually retracted button, running into emergency can take measures at once, improve security, can avoid damage equipment and product.
4, the utility model automatic constant-pressure bar pointer automaticity height has reduced working strength of workers.Floor push is adopted in course of work control, and each only stepping on switch with the light presser feet of pin in the process of pressing down just can finish whole action, saves the very big muscle power of operator, thereby increases work efficiency effectively.
Four, description of drawings:
Fig. 1: existing bar pointer structural representation
Fig. 2: existing bar pointer oil pressure dynamical system schematic diagram
Fig. 3: existing bar pointer main circuit structure schematic diagram
Fig. 4: the utility model automatic constant-pressure bar pointer structural representation
Fig. 5: the utility model automatic constant-pressure bar pointer oil pressure dynamical system schematic diagram
Fig. 6: the utility model automatic constant-pressure bar pointer main circuit and control circuit structural representation
Five, the specific embodiment:
Embodiment one: referring to Fig. 4.The utility model automatic constant-pressure bar pointer, comprise by hydraulic jack 5, petroleum pipeline 6, oil pressure dynamical system and control circuit that 3-position 4-way M type solenoid directional control valve 16 and hydraulic power unit 9 are formed, corresponding clip shuttle frock 2 is installed hydraulic jack 5 on frame 1, the piston rod 4 of hydraulic jack 5 and folder shuttle frock 2 couplings, hydraulic jack 5 inner carrier two ends cylinder bodies connect petroleum pipeline 6 respectively, Fig. 5 expresses the improvement of the utility model oil pressure dynamical system, former hand-operated direction valve 8 in the pipeline road is replaced by 3-position 4-way M function solenoid directional control valve 16 (model 34DM-63B), and in pressing down the pipeline road of force side, hydraulic piston 5 installed electro connecting pressure gauge 14 additional, referring to Fig. 6, the utility model automatic constant-pressure bar pointer control circuit comprises that oil pressure dynamical system oil pump opens and closes governor circuit, oil pump X button QA2, release the button QA1 and ac contactor coil QC of oil pump is connected in series between a power supply phase line L3 and the neutral conductor N successively, the QA1 self-locking of releasing the button of auxiliary normally opened contact QC of A.C. contactor and oil pump is connected, at oil pump X button QA2 and the oil pump pedal control switch LA1 (label 17 among Fig. 4) and the first auxiliary reclay JC1 of being connected in series between the connected node of QA1 and the power supply neutral conductor N that release the button, the normally opened contact of the first auxiliary reclay JC1 and solenoid directional control valve hydraulic cylinder piston rod press down working electromagnet iron coil D1 and are connected on oil pump X button QA2 and oil pump and release the button between the connected node and power supply neutral conductor N of QA1, the electro connecting pressure gauge upper limit switch contact KF and the second auxiliary reclay coil JC2 are connected on oil pump X button QA2 and oil pump and release the button between the connected node and power supply neutral conductor N of QA1, the normally opened contact of second auxiliary reclay is connected in parallel between two contacts of electro connecting pressure gauge upper limit K switch F, second auxiliary reclay coil two ends time relay JS in parallel, the normally-closed contact of second auxiliary reclay is connected between the pedal control switch LA1 and the first auxiliary reclay coil, the delay cut-off switch contact of time relay JS, the coil of the normally opened contact of first auxiliary reclay and the 3rd auxiliary reclay is connected in series between the power supply phase line and the neutral conductor, the normally-closed contact of the 3rd auxiliary reclay is connected between the pedal control switch LA1 and first auxiliary reclay, and the normally opened contact of the 3rd auxiliary reclay is return working electromagnet D2 with the solenoid directional control valve hydraulic cylinder piston rod and is connected in series between the power supply phase line and the neutral conductor.Label 11 is an overflow valve among Fig. 5.
Embodiment two: referring to Fig. 4～Fig. 6, present embodiment automatic constant-pressure bar pointer, different with embodiment one is: contain the pressure manual reset switch LA2 that hydraulic cylinder piston rod is return in the control circuit, manual reset switch LA2 is installed in is convenient to manual operation position (label 15 among Fig. 4) on the frame.The delay cut-off switch contact of the described pressure manual reset switch LA2 and the time relay is connected in parallel.
Embodiment three: referring to Fig. 4～Fig. 6, present embodiment automatic constant-pressure bar pointer, different with embodiment one is: on frame 1 and the hydraulic jack 5 piston rods 4 corresponding hydraulic cylinder piston rods that are provided with press down limit switch and return limit switch 12, the corresponding limit switch of fixing and described limit switch 12 couplings triggers structural member 13 on hydraulic cylinder piston rod 4, described two contacts that press down limit switch (LX1 in the circuit diagram) are connected in the pedal control switch KF and the first auxiliary reclay wire loop, and two contacts of returning limit switch (LX2 in the circuit diagram) are connected on oil pump X button QA2, oil pump is released the button between the power input of upper limit K switch F of the connected node of QA1 and pedal control switch LA1 and electro connecting pressure gauge.
Embodiment four: referring to Fig. 4～Fig. 6, present embodiment automatic constant-pressure bar pointer, different with embodiment one is: on frame 1 and the hydraulic jack 5 piston rods 4 corresponding hydraulic cylinder piston rods that are provided with press down limit switch and return limit switch 12, the corresponding limit switch of fixing and described limit switch 12 couplings triggers structural member 13 on hydraulic cylinder piston rod 4, described two contacts that press down limit switch (LX1 in the circuit diagram) are connected in the pedal control switch KF and the first auxiliary reclay wire loop, and two contacts of returning limit switch (LX2 in the circuit diagram) are connected on oil pump X button QA2, oil pump is released the button between the power input of upper limit K switch F of the connected node of QA1 and pedal control switch LA1 and electro connecting pressure gauge.
The utility model automatic constant-pressure bar pointer is by adding electro connecting pressure gauge and 3-position 4-way M type solenoid directional control valve at oil piping system, in conjunction with control circuit, when reaching setting value, pressure carries out pressurize, finish and set off-load after the dwell time, the light presser feet of only using foot is stepped on switch just can finish press work one time.The no matter length and the weak point of Nylon shuttle body, the pressure that it is subjected to all is identical, thereby has guaranteed that each Nylon shuttle body is pressed into the quality of spur.The spacing distance of electric limit switch can be provided with flexibly according to Nylon shuttle body length, can guarantee can both be pressed onto the position to the Nylon shuttle body of all samples different in size, has enlarged the bar pointer scope of application.Control circuit design simultaneously has limit switch, stops automatically to desired location, and the piston rod process of pressing down is that a crawl process can stop at any time, fall back process is provided with forces manually retracted button, running into emergency can take measures at once, has improved security, can avoid damage equipment and product.Automation of Manufacturing Process degree height has reduced working strength of workers.Magnetic valve also can adopt two four-ways or 3-position 4-way O type function solenoid directional control valve.
Claims (3)
1, a kind of automatic constant-pressure bar pointer, contain organic frame, oil pressure dynamical system and control circuit, corresponding clip shuttle frock is installed hydraulic jack on frame, described hydraulic cylinder piston rod and folder shuttle frock coupling, hydraulic jack inner carrier two ends cylinder body connects petroleum pipeline respectively, described control circuit comprises that oil pressure dynamical system oil pump opens and closes governor circuit, the oil pump X button, oil pump is released the button and ac contactor coil is connected in series between a power supply phase line and the neutral conductor successively, the self-locking of releasing the button of auxiliary normally opened contact of A.C. contactor and oil pump is connected, it is characterized in that: described petroleum pipeline is by one two or 3-position 4-way solenoid directional control valve connection hydraulic power unit, connect electro connecting pressure gauge on the pipeline road, the pedal control switch and first auxiliary reclay are connected in series between the connected node that oil pump X button and oil pump are released the button and the power supply neutral conductor, the normally opened contact of first auxiliary reclay and solenoid directional control valve hydraulic cylinder piston rod press down the working electromagnet iron coil and are connected between the connected node and the power supply neutral conductor that oil pump X button and oil pump release the button, the electro connecting pressure gauge upper limit switch contact and the second auxiliary reclay coil are connected between the connected node and the power supply neutral conductor that oil pump X button and oil pump release the button, the normally opened contact of second auxiliary reclay is connected in parallel between electro connecting pressure gauge upper limit switch two contacts, the second auxiliary reclay coil two ends time relay in parallel, the normally-closed contact of second auxiliary reclay is connected between the pedal control switch and first auxiliary reclay, the delay cut-off switch contact of the time relay, the coil of the normally opened contact of first auxiliary reclay and the 3rd auxiliary reclay is connected in series between the power supply phase line and the neutral conductor, the normally-closed contact of the 3rd auxiliary reclay is connected between the pedal control switch and first auxiliary reclay, and the normally opened contact of the 3rd auxiliary reclay is return working electromagnet with the solenoid directional control valve hydraulic cylinder piston rod and is connected in series between the power supply phase line and the neutral conductor.
2, automatic constant-pressure bar pointer according to claim 1 is characterized in that: contain the pressure manual reset switch that hydraulic cylinder piston rod is return, the delay cut-off switch contact of the described pressure manual reset switch and the time relay is connected in parallel.
3, automatic constant-pressure bar pointer according to claim 1 and 2, it is characterized in that: on frame, be provided with hydraulic cylinder piston rod and press down limit switch and return limit switch with the hydraulic cylinder piston rod correspondence, the corresponding limit switch of fixing and described limit switch coupling triggers structural member on hydraulic cylinder piston rod, described two contacts that press down limit switch are connected in the pedal control switch and the first auxiliary reclay wire loop, and two contacts of returning limit switch are connected on the oil pump X button, oil pump release the button and the power input of the connected node of pedal control switch and electro connecting pressure gauge between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201497191U CN201271798Y (en) | 2008-10-14 | 2008-10-14 | Automatic constant pressure push pointer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201497191U CN201271798Y (en) | 2008-10-14 | 2008-10-14 | Automatic constant pressure push pointer |
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| Publication Number | Publication Date |
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| CN201271798Y true CN201271798Y (en) | 2009-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008201497191U Expired - Fee Related CN201271798Y (en) | 2008-10-14 | 2008-10-14 | Automatic constant pressure push pointer |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102434539A (en) * | 2011-10-20 | 2012-05-02 | 大连橡胶塑料机械股份有限公司 | Double-station hydraulic station of internal mixer |
| CN103072000A (en) * | 2012-12-17 | 2013-05-01 | 金坛市诚辉机械制造有限公司 | Air inlet assembly assembling fixture |
| CN103157983A (en) * | 2013-04-09 | 2013-06-19 | 河北亚大汽车塑料制品有限公司 | Packing press and nylon tube packing pressing method |
| CN103354346A (en) * | 2013-06-19 | 2013-10-16 | 国家电网公司 | Motor dual protection belt alarm automation control device |
| CN103354347A (en) * | 2013-06-19 | 2013-10-16 | 国家电网公司 | Motor-dual-protection automatic control device |
| CN103407185A (en) * | 2013-08-22 | 2013-11-27 | 泰州市荣美液压机械制造有限公司 | Electric gate type hydraulic machine |
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| CN106564773A (en) * | 2016-11-14 | 2017-04-19 | 河北伟源橡塑设备有限公司 | Flexible strip winder |
| CN106584070A (en) * | 2016-12-30 | 2017-04-26 | 湖南先步信息股份有限公司 | Intelligent cam drive assembling system |
| CN106825267A (en) * | 2017-03-22 | 2017-06-13 | 安徽开乐专用车辆股份有限公司 | A kind of gas circuit button pipe machine |
| CN106964965A (en) * | 2017-05-15 | 2017-07-21 | 中环天仪股份有限公司 | A kind of transmitter visor assembly tooling and application method |
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| CN111379874A (en) * | 2020-03-30 | 2020-07-07 | 珠海格力智能装备有限公司 | Pressure regulating system |
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2008
- 2008-10-14 CN CNU2008201497191U patent/CN201271798Y/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434539A (en) * | 2011-10-20 | 2012-05-02 | 大连橡胶塑料机械股份有限公司 | Double-station hydraulic station of internal mixer |
| CN103072000A (en) * | 2012-12-17 | 2013-05-01 | 金坛市诚辉机械制造有限公司 | Air inlet assembly assembling fixture |
| CN103157983A (en) * | 2013-04-09 | 2013-06-19 | 河北亚大汽车塑料制品有限公司 | Packing press and nylon tube packing pressing method |
| CN103157983B (en) * | 2013-04-09 | 2016-01-27 | 河北亚大汽车塑料制品有限公司 | A kind of pressing machine and nylon tube pressing method |
| CN103354346A (en) * | 2013-06-19 | 2013-10-16 | 国家电网公司 | Motor dual protection belt alarm automation control device |
| CN103354347A (en) * | 2013-06-19 | 2013-10-16 | 国家电网公司 | Motor-dual-protection automatic control device |
| CN103407185A (en) * | 2013-08-22 | 2013-11-27 | 泰州市荣美液压机械制造有限公司 | Electric gate type hydraulic machine |
| CN105563083B (en) * | 2016-03-10 | 2018-09-18 | 柳州日高过滤器有限责任公司 | Spinning air filter single-piece spiral cover riveting tool mold |
| CN105563083A (en) * | 2016-03-10 | 2016-05-11 | 柳州日高过滤器有限责任公司 | Single rotating cover riveting tool mold of rotary-installed air filter |
| CN106564773A (en) * | 2016-11-14 | 2017-04-19 | 河北伟源橡塑设备有限公司 | Flexible strip winder |
| CN106564773B (en) * | 2016-11-14 | 2018-06-12 | 河北伟源橡塑设备有限公司 | Flexible strip winder |
| CN106584070A (en) * | 2016-12-30 | 2017-04-26 | 湖南先步信息股份有限公司 | Intelligent cam drive assembling system |
| CN106584070B (en) * | 2016-12-30 | 2019-02-22 | 湖南先步信息股份有限公司 | Intelligent actuated by cams assembly system |
| CN106825267A (en) * | 2017-03-22 | 2017-06-13 | 安徽开乐专用车辆股份有限公司 | A kind of gas circuit button pipe machine |
| CN106964965A (en) * | 2017-05-15 | 2017-07-21 | 中环天仪股份有限公司 | A kind of transmitter visor assembly tooling and application method |
| CN106964965B (en) * | 2017-05-15 | 2019-09-03 | 中环天仪股份有限公司 | A kind of transmitter visor assembly tooling application method |
| CN107877134A (en) * | 2017-10-30 | 2018-04-06 | 广州中新汽车零部件有限公司 | A kind of full-automatic impact bushing assembly tooling equipment and electric control system |
| CN107877134B (en) * | 2017-10-30 | 2023-11-21 | 广州中新汽车零部件有限公司 | Full-automatic impact bushing assembly tooling equipment and electrical control system |
| CN111379874A (en) * | 2020-03-30 | 2020-07-07 | 珠海格力智能装备有限公司 | Pressure regulating system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090715 Termination date: 20111014 |