CN202185781U - Cleaner for machine tools - Google Patents
Cleaner for machine tools Download PDFInfo
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- CN202185781U CN202185781U CN2011202123671U CN201120212367U CN202185781U CN 202185781 U CN202185781 U CN 202185781U CN 2011202123671 U CN2011202123671 U CN 2011202123671U CN 201120212367 U CN201120212367 U CN 201120212367U CN 202185781 U CN202185781 U CN 202185781U
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- housing
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- permanent magnet
- outer baffle
- baffle plate
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Abstract
A cleaner for machine tools belongs to the technical field of machinery, relates to machine tool auxiliary equipment, and solves the technical problems of damage of machine tools and dies, decreasing of precision and influences on precision of machined workpieces caused by incomplete recovery of discharged materials in current mechanical industry. The cleaner for the machine tools basically comprises a combined magnetic part (A), a lifting transmission mechanism (B) and an outer edge baffle (C), and the combined magnetic part (A) comprises two or more permanent magnets (A-1), partition plates (A-2), a lining plate (A-3) and a casing (A-4). Two magnetic poles of each permanent magnet (A-1) are vertically or horizontally placed, the partition plates (A-2) are attached to the left and the right of each permanent magnet (A-1), and the upper portion of each permanent magnet (A-1) is connected with the lining plate (A-3) and the lifting transmission mechanism (B) sequentially. The cleaner for the machine tools is ingenious in design, simple in process and convenient in operation, greatly significant in improving product quality and guaranteeing service life of the machine tool, and widely applicable to recovery of discharged ferromagnet on iron-based faces in the machining industry.
Description
Technical field:
The utility model belongs to mechanical field, relates to the ferromagnetic blanking retracting device on a kind of machining industry iron-based face, particularly the ferromagnetic blanking cleaner of lathe.
Technical background:
On the iron-based face, reclaiming the ferromagnetic blanking of machined is worldwide technological puzzle.Because nearly all parts of lathe and the ferromagnetic blanking of machined are iron material; After being magnetized simultaneously under the externally-applied magnetic field effect; Blanking bottom magnetic polarity is opposite with the magnetic polarity of lathe iron-based face upper surface just, and therefore ferromagnetic blanking and iron-based face can produce attraction under the effect that adds magnetizes.Again because the magnetic force size is inversely proportional to square distance between object; Therefore iron-based often is better than the attraction of external magnetic field to ferromagnetic blanking greatly in the face of the magnetic pull of ferromagnetic blanking; Make and to utilize the surperficial ferromagnetic blanking of magneticaction cleaning lathe, and this method can't use the mode of electromagnet to improve.
The current world adopts vacsorb method, oil flushing filtration method, mechanical scraper plate method, pressure-vaccum method, electromagnetic attraction method etc. to reclaim ferromagnetic blanking more; But above method exists technical sophistication, apparatus expensive, be prone to produce noise, cost height, big energy-consuming, occupation of land space greatly, many shortcomings such as the absorption of can not classifying.
Because it is not thorough that blanking reclaims; Because of the pressure of residual ferromagnetic blanking is twisted with the fingers; Cause that the large pressing machine height of bed presses that Precise Orbit is scarred, the precision of having destroyed track, cause that mould damages, problems such as processing work precise decreasing even the maintenance of having to stop production; So not only influenced the lathe life-span, also influenced product quality, economic loss is very big.Reclaim the task of top priority of real genus so thoroughly solve blanking.
Summary of the invention:
Deal with problems:
To above problem; The utility model designs a kind of new structure that has; Adopt the blanking retracting device of permanent magnet; The ferromagnetic blanking of the machined of absorption on the iron-based face solves current blanking and reclaims not thoroughly, causes that the large pressing machine bed damages, precision descends, mould damages, influence this worldwide technological puzzle of processing work precision.
Technical scheme:
Scheme one:
The utility model basic element of character is for making up magnet assembly A, lifting transmission mechanism B and outer baffle plate C; Wherein making up magnet assembly A is made up of two or more permanent magnets A-1, dividing plate A-2, liner plate A-3 and housing A-4; Its connected mode is that the permanent magnet A-1 among the combination magnet assembly A is placed in the housing A-4 the two magnetic pole vertical displays of each permanent magnet A-1; And opposite the two poles of the earth of adjacent two permanent magnets are drawn close each other, and post dividing plate A-2 in the and arranged on left and right sides of every block permanent magnet A-1, are covered with liner plate A-3 above permanent magnet A-1 and the dividing plate A-2; Liner plate A-3 again with lift transmission mechanism B and link to each other; Lift transmission mechanism B in addition and be installed on the housing A-4 table wall, outer baffle plate C is installed in the middle and lower part of lateral surface around housing A-4; And the side angle θ of outer baffle plate C and housing A-4 is an acute angle; Its middle shell A-4 and outer baffle plate C, dividing plate A-2 selects non-ferromagnetic material for use, and it is material that liner plate 7 is selected ferromagnetic material for use.
Scheme two:
The lathe cleaner basic element of character is for making up magnet assembly A, lifting transmission mechanism B and outer baffle plate C; Wherein making up magnet assembly A is made up of two or more permanent magnets A-1, dividing plate A-2, liner plate A-3 and housing A-4; Its connected mode is that the permanent magnet A-1 among the combination magnet assembly A is putting at housing A-4 inner bottom part; The two magnetic pole levels of each permanent magnet A-1 are put, and identical the two poles of the earth of adjacent two permanent magnets draw close each other, post dividing plate A-2 in the and arranged on left and right sides of every block permanent magnet A-1; Be covered with liner plate A-3 above permanent magnet A-1 and the dividing plate A-2, liner plate A-3 again with lift transmission mechanism B and link to each other, lift transmission mechanism B in addition and be installed on the housing A-4 table wall; The middle and lower part of lateral surface around housing A-4; Outer baffle plate C is installed, and the side angle θ of outer baffle plate C and housing A-4 is acute angle, its middle shell A-4 and outer baffle plate C select non-ferromagnetic material for use; It is material that liner plate 7 is selected ferromagnetic material for use, and dividing plate A-2 selects iron material for use.
Need to prove:
Scheme one comprises rope B-1, fixed pulley B-2, rotating disk B-3, handle B-4, positioner B-5, fixed pulley axis B-6, turntable shaft B-7, withholds B-8 and housing B-9 with the transmission mechanism B that lifts described in the scheme two; Wherein positioner B-5 is made up of alignment pin B-5-1 and locating slot B-5-2; Its connected mode is; In lifting transmission mechanism B, rope B-1 couples together fixed pulley B-2, rotating disk B-3, and meanwhile rope B-1 two ends are withheld B-8 through two respectively and are connected with liner plate A-3 separately; Fixed pulley axis B-6, turntable shaft B-7 are separately fixed on the housing B-9; Fixed pulley B-2 and rotating disk B-3 are fixed among the housing B-9 through fixed pulley axis B-6, turntable shaft B-7 respectively one by one, and the end of handle B-4 lower end and turntable shaft B-7 is fixedly linked, and the two ends of turntable shaft B-7 are fixed on the housing B-9; Alignment pin B-5-1 is installed in the middle part of handle B-4, and locating slot B-5-2 is located on the outer wall of housing B-9; The position that outer baffle plate C is installed should be at the lateral surface of housing A-4, and the end of apart from along 1/4 height, and to make the side angulation θ of outer baffle plate C and housing A-4 be 40-60 °; The width of outer baffle plate C is 40-50mm, long 450-550mm in the housing A-4, wide 42-46mm; It is material that high 200-250mm, housing B-9 select ferromagnetic material for use, long 300-450mm in the housing B-9; Wide 42-46mm, high 200-300mm, the magnetic induction intensity of every block permanent magnet A-1 are 4000-5000G; Each length of side is divided into 30-50mm, dividing plate A-2 thickness 5-7mm, and long and width are wide and high identical with every block permanent magnet A-1's; Liner plate A-3 thickness 3-5mm grows the wide identical of and every piece magnet A-1 long with housing A-4 inner chamber respectively with width.
The nonferromagnetic material that housing A-4 described in the scheme one and outer baffle plate C select for use is copper or aluminum material, and the nonferromagnetic material that dividing plate A-2 selects for use is grey plastic plate or plank, and housing B-9, liner plate A-3 select iron material for use.
The nonferromagnetic material that housing A-4 described in the scheme two and outer baffle plate C select for use is copper or aluminum material, and dividing plate A-2, housing B-9, liner plate A-3 select iron material for use.
Beneficial effect:
The present invention adopts the specific arrangement combination of permanent magnet; When making it when moving, this device produces alternating magnetic field; The ferromagnetic blanking of having broken through on the iron-based face reclaims the difficult point of administering; Ubiquitous blanking reclaims thoroughly this technical barrier in current this field thereby solved, and has avoided lathe to twist with the fingers because of the pressure of residual ferromagnetic blanking, cause scarred, track precision is destroyed, mould damages, processing work precise decreasing even by a series of problems such as forced labor maintenances.Problems such as " being prone to produce noise, cost height, big energy-consuming, big, the absorption of can not classifying in occupation of land space " in the current general lathe blanking recovery method are readily solved.
The utility model design is ingenious rationally, technology is simple, take up an area of that the space is little, noiselessness, easy to operate, not only safety but also economic, practical; To improving the quality of product, reduce cost, save the energy; The active operation significance that economized on resources not only has an economic benefit but also social benefit is arranged.
Description of drawings:
Fig. 1: the utility model stereochemical structure schematic appearance;
Fig. 2: the main pseudosection of the utility model permanent magnet two magnetic pole vertical displays;
Fig. 3: positioning device structure of the utility model and installation site sketch map thereof;
Fig. 4: the utility model permanent magnet two magnetic pole levels are put main pseudosection
In the accompanying drawing, A is the combination magnet assembly; B is for lifting transmission mechanism; C is the outer baffle plate;
D is a hanger; A-1 is a permanent magnet; A-2 is a dividing plate;
A-3 is a liner plate; A-4 is a housing; B-1 is a rope;
B-2 is a fixed pulley; B-3 is a rotating disk; B-4 is a handle;
B-5 is a positioner; B-6 is a fixed pulley axis; B-7 is a turntable shaft;
B-8 is for withholding; B-9 is a housing; B-10 is a flange;
B-5-1 is a locating slot for alignment pin B-5-2;
θ is for installing outer baffle plate and lower house side angle.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified:
Embodiment 1:
The utility model basic element of character is for making up magnet assembly A, lifting transmission mechanism B and outer baffle plate C; Wherein making up magnet assembly A is made up of two or more permanent magnets A-1, dividing plate A-2, liner plate A-3 and housing A-4; Its connected mode is that the permanent magnet A-1 among the combination magnet assembly A is placed in the housing A-4 the two magnetic pole vertical displays of each permanent magnet A-1; And opposite the two poles of the earth of adjacent two permanent magnets are drawn close each other, and post dividing plate A-2 in the and arranged on left and right sides of every block permanent magnet A-1, are covered with liner plate A-3 above permanent magnet A-1 and the dividing plate A-2; Liner plate A-3 again with lift transmission mechanism B and link to each other; Lift transmission mechanism B in addition and be installed on the housing A-4 table wall, outer baffle plate C is installed in the middle and lower part of lateral surface around housing A-4; And the side angle θ of outer baffle plate C and housing A-4 is an acute angle; Its middle shell A-4 and outer baffle plate C, dividing plate A-2 selects non-ferromagnetic material for use, and it is material that liner plate 7 is selected ferromagnetic material for use.
Need to prove:
The described transmission mechanism B that lifts comprises rope B-1, fixed pulley B-2, rotating disk B-3, handle B-4, positioner B-5, fixed pulley axis B-6, turntable shaft B-7, withholds B-8 and housing B-9; Wherein positioner B-5 is made up of alignment pin B-5-1 and locating slot B-5-2; Its connected mode is; In lifting transmission mechanism B, rope B-1 couples together fixed pulley B-2, rotating disk B-3, and meanwhile rope B-1 two ends are withheld B-8 through two respectively and are connected with liner plate A-3 separately; Fixed pulley axis B-6, turntable shaft B-7 are separately fixed on the housing B-9; Fixed pulley B-2 and rotating disk B-3 are fixed among the housing B-9 through fixed pulley axis B-6, turntable shaft B-7 respectively one by one, and the end of handle B-4 lower end and turntable shaft B-7 is fixedly linked, and the two ends of turntable shaft B-7 are fixed on the housing B-9; Alignment pin B-5-1 is installed in the middle part of handle B-4, and locating slot B-5-2 is located on the outer wall of housing B-9; The position that outer baffle plate C is installed should be at the lateral surface of housing A-4, and the end of apart from along 1/4 height, and to make the side angulation θ of outer baffle plate C and housing A-4 be 40 °, the width of outer baffle plate C is 40mm; The long 470mm of housing A-4 inner chamber, it is material that wide 42mm, high 200mm, housing B-9 select ferromagnetic material for use; The long 300mm of housing B-9 inner chamber, wide 42mm, high 200mm selects 13 blocks of magnet; The specification of every magnet A-1 is 30 * 30 * 30mm, and magnetic induction intensity is 4000G, block board thickness 5mm; Long and width are wide and high identical with every block permanent magnet A-1's, and liner plate thickness 3mm grows and width wide identical with whole magnet A-1 length overall and every magnet A-1 respectively.
The nonferromagnetic material that said housing A-4 and outer baffle plate C select for use is a copper material, and the nonferromagnetic material that dividing plate A-2 selects for use is grey plastic plate, and housing B-9, liner plate A-3 select iron material for use.
The ferromagnetic blanking retracting device of the utility model is work like this:
At first, the hanger D of blanking retracting device is fixed on the lathe movable pedestal, promotes then to lift the handle B-4 in the transmission mechanism, make permanent magnet A-1, dividing plate A-2 and liner plate A-3 integral body among the combination magnet assembly A drop on housing A-9 bottom.At this moment, be accompanied by moving of lathe movable pedestal, the ferromagnetic blanking on the lathe iron-based face is adsorbed to housing A-9 outer bottom.When the lathe movable base moved to the lathe edge, the ferromagnetic blanking on the iron-based face all was adsorbed onto housing A-9 outer bottom.Then; Promote the handle B-4 in the shift mechanism again, make permanent magnet A-1, dividing plate A-2 and liner plate A-3 integral body among the combination magnet assembly A move to the position, top of housing A-9, at this moment; Blanking loses magnetism attraction and falls blanking recovery place, thereby has been over into the recovery operation of ferromagnetic blanking.Wherein, in combination magnet assembly A elevation process, the part blanking slides to the lateral surface of housing A-9, is stopped by the outer baffle plate.
Embodiment 2:
The position that outer baffle plate C is installed should be at the lateral surface of housing A-4, and the end of apart from along 1/4 height, and to make the side angulation θ of outer baffle plate C and housing A-4 be 60 °, the width of outer baffle plate C is 50mm; The long 550mm of housing A-4 inner chamber, it is material that wide 46mm, high 250mm, housing B-9 select ferromagnetic material for use; The long 460mm of housing B-9 inner chamber, wide 46mm, high 300mm, the magnetic induction intensity of every magnet A-1 are 5000G; Specification is 50 * 46 * 50mm, gets 9 magnet A-1, block board thickness 7mm; Long and width are wide and high identical with every block permanent magnet A-1's, and liner plate thickness 5mm grows and grows with housing A-4 inner chamber respectively with width and every magnet A-1 wide identical.The nonferromagnetic material that said housing A-4 and outer baffle plate C select for use is an aluminum material, and the nonferromagnetic material that dividing plate A-2 selects for use is grey plastic plate, and other is with embodiment 1.
Embodiment 3:
The position that outer baffle plate C is installed should be at the lateral surface of housing A-4, and the end of apart from along 1/4 height, and to make the side angulation θ of outer baffle plate C and housing A-4 be 45 °, the width of outer baffle plate C is 45mm; The long 500mm of housing A-4 inner chamber, it is material that wide 45mm, high 230mm, housing B-9 select ferromagnetic material for use; The long 400mm of housing B-9 inner chamber, wide 45mm, high 250mm, the magnetic induction intensity of every magnet A-1 are 4500G; Specification is 40 * 40 * 40mm, gets 10 magnet A-1, block board thickness 6mm; Long and width are wide and high identical with every block permanent magnet A-1's, and liner plate thickness 4mm grows and grows with housing A-4 inner chamber respectively with width and every magnet A-1 wide identical.The nonferromagnetic material that said housing A-4 and outer baffle plate C select for use is an aluminum material, and the nonferromagnetic material that dividing plate A-2 selects for use is a plank, and other is with embodiment 1.
Embodiment 4:
Permanent magnet A-1 among the combination magnet assembly A of lathe cleaner is putting at housing A-4 inner bottom part; The two magnetic pole levels of each permanent magnet A-1 are put; And identical the two poles of the earth of adjacent two permanent magnets are drawn close each other, and dividing plate A-2 selects iron material for use, its thickness 3 other with embodiment 1.
Embodiment 5:
Permanent magnet A-1 among the combination magnet assembly A of lathe cleaner is putting at housing A-4 inner bottom part, and the two magnetic pole levels of each permanent magnet A-1 are put, and identical the two poles of the earth of adjacent two permanent magnets draw close each other, and dividing plate A-2 selects iron material for use, and other is with embodiment 2.
Embodiment 6:
The long 480mm of housing A-4 inner chamber; Wide 45mm, high 230mm, the permanent magnet A-1 among the combination magnet assembly A of lathe cleaner is putting at housing A-4 inner bottom part; The two magnetic pole levels of each permanent magnet A-1 are put; And identical the two poles of the earth of adjacent two permanent magnets are drawn close each other, and dividing plate A-2 selects iron material for use, and other is with embodiment 3.
Embodiment 7:
The long 120mm of housing A-4 inner chamber, wide 45mm, high 230mm, the long 80mm of housing B-9 inner chamber, wide 45mm, high 250mm gets 2 magnet A-1, and specification is 50 * 40 * 50mm, and other is with embodiment 6.
Claims (5)
1. a lathe cleaner is characterized in that the basic element of character is combination magnet assembly (A), lifts transmission mechanism (B) and outer baffle plate (C); Wherein making up magnet assembly (A) is made up of two or more permanent magnets (A-1), dividing plate (A-2), liner plate (A-3) and housing (A-4); Its connected mode is that the permanent magnet (A-1) in the combination magnet assembly (A) is placed in the housing (A-4) the two magnetic pole vertical displays of each permanent magnet (A-1); And opposite the two poles of the earth of adjacent two permanent magnets are drawn close each other, and post dividing plate (A-2) in the and arranged on left and right sides of every block permanent magnet (A-1), are covered with liner plate (A-3) above permanent magnet (A-1) and the dividing plate (A-2); Liner plate (A-3) again with lift transmission mechanism (B) and link to each other; Lift transmission mechanism (B) in addition and be installed on housing (A-4) the table wall, outer baffle plate (C) is installed in the middle and lower part of lateral surface around housing (A-4); And outer baffle plate (C) is an acute angle with the side angle θ of housing (A-4); Its middle shell (A-4) and outer baffle plate (C), dividing plate (A-2) is selected non-ferromagnetic material for use, and it is material that liner plate (7) is selected ferromagnetic material for use.
2. a lathe cleaner is characterized in that the basic element of character is combination magnet assembly (A), lifts transmission mechanism (B) and outer baffle plate (C); Wherein making up magnet assembly (A) is made up of two or more permanent magnets (A-1), dividing plate (A-2), liner plate (A-3) and housing (A-4); Its connected mode is that the permanent magnet (A-1) in the combination magnet assembly (A) is being put at housing (A-4) inner bottom part; The two magnetic pole levels of each permanent magnet (A-1) are put, and identical the two poles of the earth of adjacent two permanent magnets draw close each other, post dividing plate (A-2) in the and arranged on left and right sides of every block permanent magnet (A-1); Be covered with liner plate (A-3) above permanent magnet (A-1) and the dividing plate (A-2), liner plate (A-3) again with lift transmission mechanism (B) and link to each other, lift transmission mechanism (B) in addition and be installed on housing (A-4) the table wall; The middle and lower part of lateral surface around housing (A-4); Outer baffle plate (C) is installed, and the side angle θ of outer baffle plate (C) and housing (A-4) is acute angle, its middle shell (A-4) and outer baffle plate (C) are selected non-ferromagnetic material for use; It is material that liner plate (7) is selected ferromagnetic material for use, and dividing plate (A-2) is selected iron material for use.
3. according to claim 1 or 2 described lathe cleaners, it is characterized in that lifting transmission mechanism (B) and comprise rope (B-1), fixed pulley (B-2), rotating disk (B-3), handle (B-4), positioner (B-5), fixed pulley axis (B-6), turntable shaft (B-7), withhold (B-8) and housing (B-9); Wherein positioner (B-5) is made up of alignment pin (B-5-1) and locating slot (B-5-2); Its connected mode is; In lifting transmission mechanism (B), rope (B-1) couples together fixed pulley (B-2), rotating disk (B-3), and meanwhile rope (B-1) two ends are withheld (B-8) through two respectively and are connected with liner plate (A-3) separately; Fixed pulley axis (B-6), turntable shaft (B-7) are separately fixed on the housing (B-9); Fixed pulley (B-2) and rotating disk (B-3) are fixed in the housing (B-9) through fixed pulley axis (B-6), turntable shaft (B-7) respectively one by one, and an end of handle (B-4) lower end and turntable shaft (B-7) is fixedly linked, and the two ends of turntable shaft (B-7) are fixed on the housing (B-9); Alignment pin (B-5-1) is installed in the middle part of handle (B-4), and locating slot (B-5-2) is located on the outer wall of housing (B-9); The position that outer baffle plate (C) is installed should be at the lateral surface of housing (A-4), and the end of apart from along 1/4 height, and to make the outer baffle plate (C) and the side angulation θ of housing (A-4) be 40-60 °; The width of outer baffle plate (C) is 40-50mm, long 450-550mm in the housing (A-4), wide 42-46mm; It is material that high 200-250mm, housing (B-9) select ferromagnetic material for use, long 300-450mm in the housing (B-9); Wide 42-46mm, high 200-300mm, the magnetic induction intensity of every block permanent magnet (A-1) is 4000-5000G; Each length of side is divided into 30-50mm, dividing plate (A-2) thickness 5-7mm, and long and width are wide and high identical with every block permanent magnet A-1's; Liner plate (A-3) thickness 3-5mm grows the wide identical of and every block magnet (A-1) long with housing (A-4) inner chamber respectively with width.
4. according to claim 1 or 3 described lathe cleaners; It is characterized in that the nonferromagnetic material that said housing (A-4) and outer baffle plate (C) are selected for use is copper or aluminum material; The nonferromagnetic material that dividing plate (A-2) is selected for use is grey plastic plate or plank, and housing (B-9), liner plate (A-3) are selected iron material for use.
5. according to claim 2 or 3 described lathe cleaners, it is characterized in that the nonferromagnetic material that said housing (A-4) and outer baffle plate (C) are selected for use is copper or aluminum material, dividing plate (A-2), housing (B-9), liner plate (A-3) are selected iron material for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202123671U CN202185781U (en) | 2011-06-22 | 2011-06-22 | Cleaner for machine tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202123671U CN202185781U (en) | 2011-06-22 | 2011-06-22 | Cleaner for machine tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202185781U true CN202185781U (en) | 2012-04-11 |
Family
ID=45917251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202123671U Expired - Fee Related CN202185781U (en) | 2011-06-22 | 2011-06-22 | Cleaner for machine tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202185781U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248442A (en) * | 2011-06-22 | 2011-11-23 | 天津理工大学 | Ferromagnetic blanking recovery device and manufacturing method thereof |
-
2011
- 2011-06-22 CN CN2011202123671U patent/CN202185781U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248442A (en) * | 2011-06-22 | 2011-11-23 | 天津理工大学 | Ferromagnetic blanking recovery device and manufacturing method thereof |
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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: 20120411 Termination date: 20120622 |