CN2213602Y - Multifunction electric vacuum attracted-tin gun with atlracted-tin and blowing weld - Google Patents
Multifunction electric vacuum attracted-tin gun with atlracted-tin and blowing weld Download PDFInfo
- Publication number
- CN2213602Y CN2213602Y CN 94244338 CN94244338U CN2213602Y CN 2213602 Y CN2213602 Y CN 2213602Y CN 94244338 CN94244338 CN 94244338 CN 94244338 U CN94244338 U CN 94244338U CN 2213602 Y CN2213602 Y CN 2213602Y
- Authority
- CN
- China
- Prior art keywords
- tin
- chamber
- exhaust
- spool
- air
- 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 - Fee Related
Links
Images
Landscapes
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The utility model relates to a welding tool, particularly a multifunctional electric vacuum tin-sucking gun which sucks tin and blows welding. The utility model is composed of an electromagnetic coil, a reinforcement swing link, a reversing valve, a filter chamber, a tin-storing chamber, etc. Through the utility model, which has a plurality of functions and a wide range of application, various welding dots and welding tin on an electronic circuit board can be sucked off, and welding dots and welding tin on the two sides of a flat-pack piece-typed miniature electronic member can be blown to be melted. After the member is dismounted, a flat-pack integrated circuit block or a flat-pack piece-typed miniature electronic member can be welded and installed non-contiguously, and some member can be heated with pertinence when soft failure of various electronic products is maintained in the simulation method.
Description
The utility model relates to soldering appliance, particularly a kind of multifunctional electric vacuum tin sucking gun for tin sucking and blow welding.
Develop rapidly along with electronic technology, the application of integrated circuit block and nothing lead-in wire plate mini-type components and parts is more and more wider, big to electronic computer, television set, video recorder, little of camera, telephone set, wireless record pager etc. all extensively adopts integrated circuit block and the plate mini-type components and parts main components and parts as circuit, extensive application along with these class components and parts, in the Installation and Debugging and maintenance process of product, can run into the problem how efficiently and easily they to be pulled down and to load onto from electronic circuit board inevitably, this problem has become the principal element that operating efficiency and maintenance reparation speed are debug in influence.All kinds of instruments that are used for electronic circuit board welding and suction tin at present, most is manual operation, inefficiency, operation inconvenience and welding that only is applicable to direct insertion pin components and parts and suction tin, and for paperback integrated circuit block and nothing lead-in wire miniature electronic components and parts, it is powerless then to seem.The installation of paperback integrated circuit block was to adopt electric iron directly to contact welding in maintenance process in the past, and adjacent pin weldering is connected, and tiny weldering connects the place and be difficult for being found, and often damaged components and parts because of the pin short circuit after the energising; Entering the nineties does not have the plate mini-type resistor of lead-in wire, capacitor, diode, triode, dual gate FET etc., in each electronic product, use in large quantities, present dismounting for these class plate mini-type components and parts, all be with two flatirons, two people's compounding practices just can be finished, or very a certain particular element are made special-purpose solder horn and carry out dismounting, because description is various, can only be very a certain description to be made special-purpose solder horn, so the low use inconvenience of cost high workload efficient.
In the process that electronic product is keeped in repair, the temperature characterisitic variation that also can run into because of electronic devices and components causes the output quality of electronic product to descend, and this class fault is called as " soft fault ".For example image and sound are all normal behind the television boot-strap; image and sound quality variation after work a period of time; even video/audio completely without and shut down the back every a period of time; another cutting normally when starting shooting once again; adopt the method inspection that simulates for this class fault, promptly to suspecting that problematic element heats, thus the failure cause of finding out; the heating method that often uses is that hair dryer is heated at present, because the hair dryer heated perimeter does not concentrate heated element to be unfavorable for finding out fast failure cause more.
The utility model multifunctional electric vacuum tin sucking gun for tin sucking and blow welding has solved above-mentioned each problem well.Direct insertion pin integrated circuit block on the dismounting electronic circuit board, during multiway elements such as miniature transformer, the scolding tin that can use " inhaling the tin shelves " of the present utility model to absorb on each element pin is pulled down this element; When dismounting paperback miniature electronic components and parts, use " blowing the weldering shelves " of the present utility model, the rifle head is aimed at the miniature electronic components and parts, blow out the melts soldering tin that high-temperature gas makes miniature electronic components and parts two ends, take off the miniature electronic components and parts; When being welded to paperback integrated circuit block or paperback plate mini-type electronic devices and components on the wiring board, earlier each pins of paperback integrated circuit block or paperback miniature electronic components and parts is hung up scolding tin, relevant position on the electronic circuit board also hangs up scolding tin, integrated circuit block or miniature electronic components and parts are aimed at relevant position on the wiring board, use the utility model " to blow the weldering shelves " to blow out high-temperature gas to make the weld melts soldering tin, cooling back element promptly is soldered on the wiring board; With simulating method to " soft fault " of each electronic product when overhauling, use " blowing the weldering shelves " of the present utility model to aim at problematic element under a cloud, blowing out hot-air heats to this element, the scope of heating is only limited to this element, very strong to property, therefore can find out failure cause fast and fix a breakdown.
It is strong, easy to operate that the purpose of this utility model provides a kind of suction tin power, the multifunctional electric vacuum tin sucking gun for tin sucking and blow welding with following function: a, can absorb various solder joint scolding tin on the electronic circuit board; B, can blow the scolding tin of molten paperback plate mini-type electronic devices and components both sides pin, be folded down paperback plate mini-type electronic devices and components; C, energy noncontact be blown weldering the paperback integrated circuit block is installed, or the miniature chip electronic component of paperback; D, can with " simulating method " to each electronic product " soft fault " when overhauling, very heat for a certain components and parts to property ground, find out failure cause.
For achieving the above object, the utility model has adopted a kind of multifunctional electric vacuum tin sucking gun for tin sucking and blow welding, and it blows rifle head, heat transfer hollow tubing conductor, heating, filter chamber, tin storage chamber, reversal valve and housing etc. by suction and forms.The electromagnetic core that is become by silicon steel plate packing is housed in rifle shape housing, be set with solenoid on the electromagnetic core, end over against electromagnetic core is provided with permanent magnet, permanent magnet is fixed in an end of force-increasing swing link, the other end of force-increasing swing link is fixed on the rifle shape housing by rubber axis, the middle part of force-increasing swing link and rubber pump cover are fixed together, and the rubber pump cover is sleeved on an end of air pump body, and the other end of air pump body is fixed on the rifle shape housing by rubber gasket; Be provided with exhaust check valve sheet, breather cheek valve sheet, balancing gate pit, induction chamber and exhaust chamber in the air pump body, the balancing gate pit communicates with exhaust chamber by the exhaust check valve sheet, communicates with induction chamber by the breather cheek valve sheet; Induction chamber in the air pump body and exhaust chamber communicate with filter chamber in being fixed in rifle shape housing by reversal valve; Said reversal valve is made up of valve body and spool, be provided with exhaust channel and air suction way in the valve body, spool is provided with exhaust hole, air-breathing through hole, exhaust outlet and air inlet, spool is provided with two gears with respect to valve body and puts, position one, the air suction way in the valve body is communicated with, the exhaust channel blocking-up, the induction chamber of air pump body communicates with the filter chamber by the air-breathing through hole of the air suction way in the valve body, spool at this moment, and the exhaust chamber of air pump body then is interlinked to the outside by exhaust outlet on the spool and pump; Position two, the exhaust channel in the valve body is communicated with, the air suction way blocking-up, this moment, the exhaust hole of exhaust chamber by the exhaust channel in the valve body, spool of air pump body communicated with the filter chamber, and the induction chamber of air pump body then is interlinked to the outside by air inlet on the spool and pump.The filter chamber communicates with tin storage chamber, and suction is blown the rifle head and is connected with tin storage chamber through being set with heating and encapsulating the heat transfer hollow tubing conductor that is fixed in rifle shape housing front end by metal shell.Heating joins through power selector switch and power line; Solenoid joins through point driving switch and power line.The lower end of said rifle shape housing also is provided with earth clip, and earth clip is connected with the heat transfer hollow tubing conductor by lead.
Multifunctional electric vacuum tin sucking gun for tin sucking and blow welding of the present utility model has following advantage:
(1) realize inhaling tin, blow the many usefulness of weldering one rifle, how applied widely function is;
(2) simple in structure, easy to operate;
(3) can absorb various solder joint scolding tin uninterruptedly, it is clean that high efficiency is inhaled tin;
(4) the safe and reliable electronic devices and components that do not damage;
(5) work noise is little, and energy consumption is low.
Below in conjunction with accompanying drawing the utility model multifunctional electric vacuum tin sucking gun for tin sucking and blow welding is described in further detail.
Fig. 1 is the structural representation of multifunctional electric vacuum tin sucking gun for tin sucking and blow welding of the present utility model.
As shown in Figure 1, multifunctional electric vacuum tin sucking gun for tin sucking and blow welding of the present utility model blows rifle head 25, heat transfer hollow tubing conductor 23, heating 24, filter chamber 20, tin storage chamber 26, commutation valve body 18 and rifle shape housing 6 etc. by suction and forms.In rifle shape housing 6, be equipped with on the electromagnetic core 9 that becomes by silicon steel plate packing, the electromagnetic core 9 and be set with solenoid 8, end over against electromagnetic core 9 is provided with permanent magnet 7, permanent magnet 7 is fixed in an end of force-increasing swing link 4, the other end of force-increasing swing link 4 is fixed on the rifle shape housing 6 by rubber axis 21, the middle part of force-increasing swing link 4 and rubber pump cover 3 are fixed together, rubber pump cover 3 is sleeved on an end of air pump body 10, and the other end of air pump body 10 is fixed in the rifle shape housing 6 by rubber gasket 16; Be provided with exhaust check valve sheet 13, breather cheek valve sheet 15, balancing gate pit 11, induction chamber 14 and exhaust chamber 12 in the air pump body 10, balancing gate pit 11 communicates with exhaust chamber 12 by exhaust check valve sheet 13, communicates with induction chamber 14 by breather cheek valve sheet 15; Induction chamber 14 in the air pump body 10 and exhaust chamber 12 link to each other with filter chamber 20 in being fixed in rifle shape housing 6 by reversal valve, said reversal valve is made up of valve body 18 and spool 17, be provided with exhaust channel 35 and air suction way 34 in the valve body 18, spool 17 is provided with exhaust hole 32, air-breathing through hole 31, exhaust outlet 33 and air inlet 30; Spool is provided with two gears with respect to valve body 18 and puts, position one, the air suction ways 34 in the valve body 18 are communicated with, exhaust channel 35 blocking-up, the induction chamber 14 of air pump body 10 communicates with filter chamber 20 by the air suction way 34 in the valve body 18, the air-breathing through hole 31 of spool 17 at this moment, and the exhaust chamber 12 of air pump body then is interlinked to the outside by exhaust outlet on the spool 17 33 and pump; Position two, the exhaust channels 35 in the valve body 18 are communicated with, air suction way 34 blocking-up, the exhaust chamber 12 of air pump body 10 communicates with filter chamber 20 by the exhaust channel 35 in the valve body 18, the exhaust hole 32 of spool 17 at this moment, and the induction chamber 14 of air pump body 10 then is interlinked to the outside by air inlet on the spool 17 30 and pump; Filter chamber 20 communicates with tin storage chamber 26, and tin storage chamber 26 is connected through being set with heating 24 and blowing rifle head 25 by the heat transfer hollow tubing conductor 23 that rifle shape housing 6 front ends are fixed in metal shell 22 encapsulation with suction.Said heating 24 joins through power selector switch 5 and power line 36; Solenoid 8 is via switch shrapnel 1, switch shrapnel 2 and connect point driving switch and the power line 36 that knob 28 forms and join; The lower end of said rifle shape housing 6 also is provided with earth clip 37, and earth clip 37 is connected with heat transfer hollow tubing conductor 23 by lead.
Operation principle of the present utility model is: select handle 29 by function, can select to use and inhale the tin shelves and blow the weldering shelves, air suction way 34 when function selects handle to place suction tin shelves in the valve body 18 is communicated with by the air-breathing through hole 31 of spool 17, and exhaust channel 35 is blocked by spool 17, and exhaust chamber 12 is interlinked to the outside with pump through half section on the left side of exhaust channel 35 and the exhaust outlet 33 on the spool 17; When function was selected handle 29 to place to blow the weldering shelves, the exhaust channel 35 in the valve body 18 was communicated with by the exhaust hole 32 of spool 17, and air suction way 34 is blocked by spool 17, and induction chamber 14 is interlinked to the outside with pump through half section on the left side of air suction way 34 and the air inlet 30 on the spool 17.
After attaching plug 36 is connected power supply, heating 24 energisings heat up, rifle head 25 is blown in suction and heat transfer hollow tubing conductor 23 also heats up thereupon, press this moment and connect knob 28 switch shrapnels 1 and switch shrapnel 2 connections, solenoid 8 is connected alternating source, produce in the electromagnetic core 9 alternating magnetic field make the permanent magnet 7 that is fixed on the force-increasing swing link 4 with respect to the end face of electromagnetic core 9 do near and away from motion, the magnetic polarity of electromagnetic core 9 is identical with the magnetic polarity of permanent magnet 7 when the electric current in the solenoid 8 is positive half cycle, produce repulsive force, permanent magnet 7 drives force-increasing swing link 4 stretching rubber pump covers 3 makes the volume increase of the balancing gate pit 11 in the air pump body 10 produce negative pressure, because the effect exhaust check valve sheet 13 of negative pressure is adsorbed, blocked the path of 12 of balancing gate pit 11 and exhaust chambers, and breather cheek valve sheet 15 since the effect of negative pressure picked up, balancing gate pit 11 is connected with induction chamber 14, and the gas in the induction chamber 14 is inhaled into the balancing gate pit; When the electric current in the solenoid is negative half period, the magnetic polarity of electromagnetic core 9 is opposite with the magnetic polarity of permanent magnet 7, produce phase suction, permanent magnet 7 drives force-increasing swing link 4 compressing rubber pump covers, make the volume of the balancing gate pit 11 in the air pump body 10 reduce to produce malleation, breather cheek valve sheet 15 is attached on the air pump body 10, the path that occluding pressure chamber 11 and induction chamber are 14, and exhaust check valve sheet 13 is backed down, balancing gate pit 11 communicates with exhaust chamber 12, gas in the balancing gate pit 11 enters exhaust chamber, said process hockets continuously, then produce malleation at exhaust chamber 12 places, produce negative pressure at induction chamber 14 places, when being used to inhale tin, select handle 29 to place function and inhale tin shelves exhaust chamber 12 this moment and filter chamber's partition, be interlinked to the outside with pump, induction chamber 14 communicates with filter chamber 20 through air suction way 34, the negative pressure at induction chamber 14 places is through air suction way 34, filter chamber 20, tin storage chamber 26, heat transfer hollow tubing conductor 23 reaches to inhale and blows rifle head 25, the scolding tin of pressure-vaccum rifle head 25 places fusing is sucked in the tin storage chamber 26, and the solder paste in the scolding tin is filtered the filtering material filtering in the chamber 20, influences suction in order to avoid pollute the breather cheek valve sheet; The scolding tin that sucks in tin storage chamber 26 can be opened tin storage chamber lid 27 more for a long time, pours out the scolding tin of absorption, and the solder paste of filtering material filtering is too much in the filter chamber, and filtering material gets clogged and influences when inhaling tin power, can open and filter chamber cap 19 replacing filtering materials.
When being used to blow weldering, select handle 29 half-twists to place function and blow the weldering shelves, this moment, induction chamber 14 was interlinked to the outside with pump with filter chamber's 20 partitions, exhaust chamber 12 communicates with filter chamber 20 through exhaust channel 35, barotropic gas in the exhaust chamber 12 is through exhaust channel 35, the heat transfer hollow tube 23 of filter chamber 20, tin storage chamber 26 and high temperature and inhale and to blow rifle head 25 and discharge outside the rifles, the high-temperature gas of discharge make inhales near the melts soldering tin of blowing the rifle head 25.
The utility model also is provided with power selector switch 5, when the solder joint that needs to absorb is big, can select the high power shelves, when being used to inhale tin so that big solder joint is melted fast, when the solder joint of absorbing hour optional low-power shelves of selecting, in order to avoid damage electronic circuit board and electronic devices and components; When being used to blow weldering, use the high power shelves; Be used to handle electronic product " soft fault " time use low-power shelves.The utility model also is provided with earth clip, when being used to absorb easily by the scolding tin on the components and parts pin of electrostatic damage, earth clip can be sandwiched in the earth potential place of wiring board.
The utility model multifunctional electric vacuum tin sucking gun for tin sucking and blow welding is reasonable in design in a word, and is practical, easy to use.
Claims (2)
1, a kind of multifunctional electric vacuum tin sucking gun for tin sucking and blow welding blows rifle head, heat transfer hollow tubing conductor, heating, filter chamber, tin storage chamber, reversal valve and housing etc. by suction and forms, and it is characterized in that:
A, in rifle shape housing, electromagnetic core is installed, suit solenoid is provided with permanent magnet over against an end of electromagnetic core on it, permanent magnet is fixed in an end of force-increasing swing link, the other end of force-increasing swing link is fixed on the rifle shape housing by rubber axis, the middle part of force-increasing swing link and rubber pump cover are fixed together, and the other end that the rubber pump cover is sleeved on an end air pump body of air pump body is fixed on the rifle shape housing by rubber gasket;
Be provided with exhaust check valve sheet, breather cheek valve sheet, balancing gate pit, induction chamber and exhaust chamber in b, the air pump body, the balancing gate pit communicates with exhaust chamber by the exhaust check valve sheet, communicate with induction chamber by the breather cheek valve sheet;
Induction chamber in the c, air pump body and exhaust chamber link to each other with filter chamber in being fixed in rifle shape housing by reversal valve;
D, reversal valve are made up of valve body and spool, are provided with exhaust channel and air suction way in the valve body, and spool is provided with exhaust hole, air-breathing through hole, exhaust outlet and air inlet;
E, spool are provided with two gears with respect to valve body and put, and the induction chamber of position one, air pump body communicates with the filter chamber by the air-breathing through hole of the air suction way in the valve body, spool, and the exhaust chamber of air pump body then is interlinked to the outside by exhaust outlet on the spool and pump; The exhaust chamber of position two, air pump body communicates with the filter chamber by the exhaust hole of the exhaust channel in the valve body, spool, and the induction chamber of air pump body then is interlinked to the outside by air inlet on the spool and pump;
F, filter chamber communicate with tin storage chamber, and suction is blown the rifle head and is connected with tin storage chamber by being set with heating and encapsulating the heat transfer hollow tubing conductor that is fixed in rifle shape housing front end by metal shell;
G, heating join by power selector switch and power line; Solenoid joins through point driving switch and power line.
2, by the described multifunctional electric vacuum tin sucking gun for tin sucking and blow welding of claim 1, it is characterized in that: the lower end of rifle shape housing is provided with by lead and is connected to earth clip on the heat transfer hollow tubing conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94244338 CN2213602Y (en) | 1994-11-05 | 1994-11-05 | Multifunction electric vacuum attracted-tin gun with atlracted-tin and blowing weld |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94244338 CN2213602Y (en) | 1994-11-05 | 1994-11-05 | Multifunction electric vacuum attracted-tin gun with atlracted-tin and blowing weld |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2213602Y true CN2213602Y (en) | 1995-11-29 |
Family
ID=33850436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94244338 Expired - Fee Related CN2213602Y (en) | 1994-11-05 | 1994-11-05 | Multifunction electric vacuum attracted-tin gun with atlracted-tin and blowing weld |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2213602Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102363231A (en) * | 2011-09-30 | 2012-02-29 | 常熟市广大电器有限公司 | Novel chip disassembling tool |
| CN104070257A (en) * | 2014-06-23 | 2014-10-01 | 钱月珍 | Pneumatic electric soldering iron |
| CN106392240A (en) * | 2016-12-05 | 2017-02-15 | 辽宁工程技术大学 | Integrated tin soldering handle |
| CN109079275A (en) * | 2018-09-20 | 2018-12-25 | 程路伟 | A kind of electric iron accurately controlling tin output amount and its out tin method |
| CN109647847A (en) * | 2018-11-30 | 2019-04-19 | 谢鸿远 | The electronic waste recyclable device that solder reflow is sucked out is prevented by bracket limit |
-
1994
- 1994-11-05 CN CN 94244338 patent/CN2213602Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102363231A (en) * | 2011-09-30 | 2012-02-29 | 常熟市广大电器有限公司 | Novel chip disassembling tool |
| CN104070257A (en) * | 2014-06-23 | 2014-10-01 | 钱月珍 | Pneumatic electric soldering iron |
| CN106392240A (en) * | 2016-12-05 | 2017-02-15 | 辽宁工程技术大学 | Integrated tin soldering handle |
| CN106392240B (en) * | 2016-12-05 | 2018-07-31 | 辽宁工程技术大学 | A kind of integration soldering handle |
| CN109079275A (en) * | 2018-09-20 | 2018-12-25 | 程路伟 | A kind of electric iron accurately controlling tin output amount and its out tin method |
| CN109079275B (en) * | 2018-09-20 | 2020-09-11 | 程路伟 | Electric soldering iron tin discharging method capable of accurately controlling tin discharging amount |
| CN109647847A (en) * | 2018-11-30 | 2019-04-19 | 谢鸿远 | The electronic waste recyclable device that solder reflow is sucked out is prevented by bracket limit |
| CN109647847B (en) * | 2018-11-30 | 2021-09-07 | 兰州大学 | Electronic garbage recycling device capable of preventing sucked soldering tin from flowing back through support limitation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2213602Y (en) | Multifunction electric vacuum attracted-tin gun with atlracted-tin and blowing weld | |
| CN207221563U (en) | A kind of waste gas circulation processing unit | |
| CN209625990U (en) | A kind of transformer radiator | |
| CN109600950B (en) | A kind of artificial intelligence electrical control gear | |
| CN207925956U (en) | A kind of tunnel voltage booster | |
| CN211320635U (en) | Intelligent separated low-voltage complete switch equipment | |
| CN203649606U (en) | Electric tin absorbing device for electronic components | |
| CN210466820U (en) | Real standard platform of drilling site real behaviour simulation | |
| CN204118775U (en) | A kind of 12V/24V Electronic Control battery charger | |
| CN210781164U (en) | Dustproof heat dissipation type network switch rack | |
| CN210404358U (en) | Dustproof power distribution cabinet | |
| CN208015174U (en) | A kind of moisture-proof switch board of ventilation | |
| CN208952218U (en) | A kind of indoor purifying formula breathing equipment | |
| CN207569944U (en) | A kind of Domestic environment-protection type lampblack filter | |
| CN207117464U (en) | A kind of power supply of voice remote controller | |
| CN206801835U (en) | A kind of compressor protector | |
| CN220172690U (en) | Rainproof and dustproof heat dissipation type outdoor high-voltage power distribution cabinet | |
| CN216960236U (en) | Full-touch digital induction heating power supply | |
| CN2376675Y (en) | Multi-function assembling/disassembling device for integrated circuit | |
| CN206943844U (en) | Range hood and the AC LED lamp for range hood | |
| CN214673811U (en) | Coal conveying electricity distribution room belt cubical switchboard that reliability is high | |
| CN220086754U (en) | Positive pressure ventilation type explosion-proof power distribution cabinet | |
| CN220696216U (en) | Filter element self-treatment type air purifier based on electrode pulse | |
| CN213959464U (en) | Intelligent monitoring device for box-type substation | |
| CN208730390U (en) | A kind of contravariant high-cycle welding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |