CN201408129Y - Soil sampling device on basis of pile driver - Google Patents
Soil sampling device on basis of pile driver Download PDFInfo
- Publication number
- CN201408129Y CN201408129Y CN2009201273797U CN200920127379U CN201408129Y CN 201408129 Y CN201408129 Y CN 201408129Y CN 2009201273797 U CN2009201273797 U CN 2009201273797U CN 200920127379 U CN200920127379 U CN 200920127379U CN 201408129 Y CN201408129 Y CN 201408129Y
- Authority
- CN
- China
- Prior art keywords
- tubulose
- spacer
- soil sample
- extension bar
- sample barrel
- 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
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a soil sampling device on the basis of a pile driver. The soil sampling device comprises a pile driver with a hammer stand, a tubular soil sampler and a tubular spacer sleeve, wherein the tubular spacer sleeve is in slide fit with the exterior of the tubular soil sampler; the tubular soil sampler is movably connected with the hammer stand of the pile driver; a flare opening is formed in the interior at the lower end of the tubular soil sampler; an inner step is formed at the upper part of the flare opening; an inverted conical surface is arranged at the lower end ofthe tubular spacer sleeve; and the length of the tubular spacer sleeve is larger than or equals to that of the tubular soil sampler. The utility model has the benefits of simple structure, low manufacturing cost, convenient disassembly, installation and operation and small sampled soil distortion factor, can make full use of the altitude advantage of the pile driver, and achieve maximum depth ofsoil sampling.
Description
Technical field
The utility model relates to a kind of soil sampling device, particularly a kind of soil sampling device based on ram engine.
Background technology
Build in the house, before the capital construction work such as bridge construction, road performance, usually need survey the basic geology of buildings structure, sampling analysis, usually adopt the probing method to sample and fetch earth, and use drawing out soil equipment to fetch earth usually for the ability sample of soil, sandy soil etc.; In the work progress of building foundation, a large amount of discarded soil bodys need shift out from pile foundation or foundation ditch, also adopts the mode of drawing out soil equipment to fetch earth.But need sampling in the piling construction under some specific environment, as when beach, sandy soil, the banto faro area excavation irrigation canals and ditches, or the Southern Africa is rich in the piling construction in gravel mine area of alluvial gold and is needed sampling, under this geographical environment, can not use the sampling of rig boring method, if can be with the ram engine sampling of fetching earth, that will be best alternative.Present known drawing out soil equipment substantially all is not suitable for ram engine, and those skilled in the art has obtained some achievements in the design of piling drawing out soil equipment with in improving, but still come with some shortcomings.Chinese patent publication number: CN2135598, open June 9 1993 date, invention and created name " pile foundation drawing out soil equipment ", disclose a kind of drawing out soil equipment that is pressed into and is promoted by ram engine, mainly be applicable to the collection of the discarded soil of pile foundation or pit foundation, its amount of fetching earth is big, the efficient height, but complex structure, cost industry is high, and is not suitable for sampling and fetches earth.
Summary of the invention
The purpose of this utility model is exactly at the deficiencies in the prior art, and a kind of simple in structure, easy to operate, cheap, soil sampling device based on ram engine that the soil sample degree of distortion is little is provided.
For achieving the above object, the utility model adopts following technical scheme:
A kind of soil sampling device based on ram engine, comprise the ram engine, tubulose soil sample barrel and the tubulose spacer that have the hammer seat, the tubulose spacer is slidingly fitted in tubulose soil sample barrel outside, the hammer seat of described tubulose soil sample barrel and ram engine flexibly connects, the inside of tubulose soil sample barrel lower end is provided with hydraucone, interior step is formed at bell-mouthed top, and the lower end of tubulose spacer is provided with inverted cone surface; The length of tubulose spacer is more than or equal to tubulose soil sample barrel length.
After adopting above technical scheme, tubulose spacer and tubulose soil sample barrel are successively squeezed into bottom by the hammer seat of ram engine, head is positioned at the tubulose spacer of front end soil layer is separated, tubulose soil sample barrel follow-up subsequently is driven into, the soil body that is arranged in the tubulose spacer enters inner chamber from the hydraucone of tubulose soil sample barrel, because bell-mouthed effect, the soil body expands after being compacted the inner chamber that pours into the tubulose soil sample barrel more naturally, when squeezing into to predetermined depth, play the sash weight seat and the soil sample in tubulose soil sample barrel and its inner chamber is promoted together by the hammer seat, pull down the tubulose soil sample barrel and progressively take out soil sample from the upper end, the interior step of its lower end prevents that soil sample from spilling from import in lifting process, institute's soil sampling and former stratum textural difference are little, and the soil sample degree of distortion is little, and is simple in structure, cheap.
Preferably, the tubulose soil sample barrel is cylindrical, being sliding combined with shaft adapter in the endoporus of tubulose soil sample barrel upper end, fixedlys connected with hammer seat lower end in the shaft adapter upper end, and shaft adapter lower end transition fit has the bearing pin of length greater than the shaft adapter diameter, the hole wall of tubulose soil sample barrel upper end is provided with kidney slot vertically, kidney slot runs through left and right sides tube wall, and the two ends of bearing pin are arranged in kidney slot, and is slidingly matched with kidney slot, easy for removal and installation, easy to operate.
Preferably, tubulose soil sample barrel upper end is connected with extension bar, extension bar and external diameter coaxial with the tubulose soil sample barrel equates, extension bar and shaft adapter flexibly connect, the extension bar slide outside is combined with the spreading spacer, spreading spacer and extension bar equal in length, spreading spacer equate that with tubulose spacer coaxial cable and interior external diameter the spreading spacer is connected with the tubulose spacer; Described extension bar comprises shaft, mandrel, endoporus and shaft adapter that the shaft upper end is provided with are slidingly matched, the hole wall of shaft upper end is provided with gain vertically, gain is identical with the physical dimension of tubulose soil sample barrel upper end kidney slot, bearing pin two ends on the shaft adapter are arranged in gain, and are slidingly matched with gain; Described mandrel is fixedly connected in the endoporus of shaft lower end setting, the endoporus of mandrel lower end and tubulose soil sample barrel upper end is slidingly matched, mandrel lower end transition fit has pin, the axis of pin and mandrel axis normal, the two ends of pin are arranged in the kidney slot of tubulose soil sample barrel upper end, and are slidingly matched with kidney slot; Described spreading spacer lower surface is provided with the boss of coaxial cable, tubulose spacer upper surface is provided with the pit of coaxial cable, the degree of depth of pit is more than or equal to the height of boss, boss is engaged in the pit, spreading spacer upper surface is provided with the recessed rank of coaxial cable, and recessed rank are identical with the physical dimension of tubulose spacer upper surface pit.The pit of the boss of spreading spacer lower surface and tubulose spacer upper surface can adopt transition fit, also can adopt interference fit, to guarantee the endoporus coaxial cable of spreading spacer and tubulose spacer, thereby avoid hole wall step to occur, influence the sliding effect of soil sample barrel, after the sampling of fetching earth of finishing a soil sample barrel degree of depth, extension bar on installing one above the soil sample barrel, above the tubulose spacer, install a spreading spacer, just can carry out the sampling of fetching earth of the next soil sample barrel degree of depth, can use the soil sample barrel or the extension bar of different length according to the geologic condition difference, make the sampling of fetching earth more accurate more convenient.
Further preferred, the quantity of extension bar is more than two or two, the quantity of the quantity extension bar of spreading spacer is identical, the endoporus and the shaft adapter that are positioned on the extension bar shaft topmost are slidingly matched, bearing pin two ends on the shaft adapter are arranged in the gain of extension bar shaft upper end, and are slidingly matched with gain; The mandrel that the lower end of a last extension bar of the extension bar in the middle of being arranged in is provided with, the endoporus that is provided with the upper end of next extension bar is slidingly matched, transition fit is at the pin of mandrel lower end, and its two ends lay respectively in the gain of next extension bar upper end setting, and is slidingly matched with gain; Mandrel that extension bar lower end bottom is provided with and tubulose soil sample barrel upper end endoporus are slidingly matched, and transition fit is at the pin of mandrel lower end, and its two ends lay respectively in the kidney slot of tubulose soil sample barrel upper end setting, and are slidingly matched with kidney slot; The lower end of spreading spacer bottom, be engaged in by its boss in the pit of tubulose spacer upper end, the lower end of a last spreading spacer of other arbitrary spreading spacer, boss by its lower end is engaged in the recessed rank of next spreading spacer upper end, method increases extension bar and spreading spacer as described above, make full use of the ceiling advantage of ram engine, realize the sampling of fetching earth of depth capacity.
The shape of tubulose soil sample barrel also can be the regular polygon of even number, as square, regular hexagon etc., and octagon etc., the tubulose spacer that matches, shaft adapter, extension bar etc. adapt with it.
The beneficial effect of a kind of soil sampling device based on ram engine of the utility model is, and is simple in structure, cheap, dismounting and installing, and easy to operate, institute's soil sampling degree of distortion is little, and can make full use of the ceiling advantage of ram engine, realizes the sampling of fetching earth of depth capacity.
Description of drawings:
Fig. 1 does not have the structural representation of extension bar for the utility model;
Fig. 2 is the A portion enlarged drawing among the utility model Fig. 1;
Fig. 3 is the B portion enlarged drawing among the utility model Fig. 1;
Fig. 4 is the C-C cut-open view among the utility model Fig. 3;
Fig. 5 installs the structural representation of an extension bar additional for the utility model;
Fig. 6 is the D portion enlarged drawing among the utility model Fig. 5;
Fig. 7 is the E-E cut-open view among the utility model Fig. 6;
Fig. 8 has the structural representation of a plurality of extension bars for the utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing, but therefore the utility model is not limited among the described scope of embodiments.
Referring to Fig. 1, Fig. 2, a kind of soil sampling device based on ram engine, comprise the ram engine 1, tubulose soil sample barrel 2 and the tubulose spacer 3 that have hammer seat 11, tubulose spacer 3 is slidingly fitted in tubulose soil sample barrel 2 outsides, described tubulose soil sample barrel 2 flexibly connects with the hammer seat 11 of ram engine 1, the inside of tubulose soil sample barrel 2 lower ends is provided with hydraucone 22, and interior step 23 is formed at the top of hydraucone 22, and the lower end of tubulose spacer 3 is provided with inverted cone surface 31; The length of tubulose spacer 3 is more than or equal to tubulose soil sample barrel 2 length.
Referring to Fig. 3, Fig. 4, described tubulose soil sample barrel 2 is cylindrical, be sliding combined with shaft adapter 14 in the tubulose soil sample barrel 2 upper end endoporus, fixedly connected with hammer seat 11 lower ends in shaft adapter 14 upper ends, shaft adapter 14 lower end transition fit have the bearing pin 15 of length greater than shaft adapter 14 diameters, and the hole wall of tubulose soil sample barrel 2 upper ends is provided with kidney slot 21 vertically, and kidney slot 21 runs through left and right sides tube wall, the two ends of bearing pin 15 are arranged in kidney slot 21, and are slidingly matched with kidney slot 21.
Referring to Fig. 5, Fig. 6, Fig. 7, described tubulose soil sample barrel 2 upper ends are connected with extension bar 5, coaxial and the external diameter of extension bar 5 and tubulose soil sample barrel 2 equates, extension bar 5 flexibly connects with shaft adapter 14, extension bar 5 slide outside are combined with spreading spacer 6, spreading spacer 6 and extension bar 5 equal in length, spreading spacer 6 equates that with tubulose spacer 3 coaxial cables and interior external diameter spreading spacer 6 is connected with tubulose spacer 3; Described extension bar 5 comprises shaft 51, mandrel 52, endoporus and shaft adapter 14 that shaft 51 upper ends are provided with are slidingly matched, the hole wall of shaft 51 upper ends is provided with gain 511 vertically, gain 511 is identical with the physical dimension of tubulose soil sample barrel 2 upper end kidney slots 21, bearing pin 15 two ends on the shaft adapter 14 are arranged in gain 511, and are slidingly matched with gain 511; Described mandrel 52 is fixedly connected in the endoporus of shaft 51 lower ends setting, the endoporus of mandrel 52 lower ends and tubulose soil sample barrel 2 upper ends is slidingly matched, mandrel 52 lower end transition fit have pin 53, the axis of pin 53 and mandrel 52 axis normal, the two ends of pin 53 are arranged in the kidney slot 21 of tubulose soil sample barrel 2 upper ends, and are slidingly matched with kidney slot 21; Described spreading spacer 6 lower surfaces are provided with the boss 61 of coaxial cable, tubulose spacer 3 upper surfaces are provided with the pit 32 of coaxial cable, the degree of depth of pit 32 is more than or equal to the height of boss 61, boss 61 is engaged in the pit 32, spreading spacer 6 upper surfaces are provided with the recessed rank 62 of coaxial cable, and recessed rank 62 are identical with the physical dimension of tubulose spacer 3 upper surface pits 32.
Referring to Fig. 8, the quantity of described extension bar 5 is more than two or two, the quantity of the quantity extension bar 5 of spreading spacer 6 is identical, the endoporus and the shaft adapter 14 that are positioned on extension bar 5 shafts 51 topmost are slidingly matched, bearing pin 15 two ends on the shaft adapter 14 are arranged in the gain 511 of extension bar 5 shafts 51 upper ends, and are slidingly matched with gain 511; The mandrel 52 that the lower end of a last extension bar 5 of the extension bar 5 in the middle of being arranged in is provided with, the endoporus that is provided with the upper end of next extension bar 5 is slidingly matched, transition fit is at the pin 53 of mandrel 52 lower ends, its two ends lay respectively in the gain 511 of next extension bar 5 upper ends setting, and are slidingly matched with gain 511; Mandrel 52 and tubulose soil sample barrel 2 upper end endoporus that extension bar 5 lower ends bottom are provided with are slidingly matched, and transition fit is at the pin 53 of mandrel 52 lower ends, and its two ends lay respectively in the kidney slot 21 of tubulose soil sample barrel 2 upper ends setting, and are slidingly matched with kidney slot 21; The lower end of spreading spacer 6 is engaged in by its boss 61 in the pit 32 of tubulose spacer 3 upper ends bottom, and the lower end of a last spreading spacer 6 of other arbitrary spreading spacer 6 is engaged in the recessed rank 62 of next spreading spacer 6 upper end by the boss 61 of its lower end.
Claims (4)
1, a kind of soil sampling device based on ram engine, comprise the ram engine (1), tubulose soil sample barrel (2) and the tubulose spacer (3) that have hammer seat (11), tubulose spacer (3) is slidingly fitted in tubulose soil sample barrel (2) outside, it is characterized in that: described tubulose soil sample barrel (2) flexibly connects with the hammer seat (11) of ram engine (1), the inside of tubulose soil sample barrel (2) lower end is provided with hydraucone (22), interior step (23) is formed at the top of hydraucone (22), and the lower end of tubulose spacer (3) is provided with inverted cone surface (31); The length of tubulose spacer (3) is more than or equal to tubulose soil sample barrel (2) length.
2, according to the described soil sampling device of claim 1 based on ram engine, it is characterized in that: described tubulose soil sample barrel (2) is cylindrical, be sliding combined with shaft adapter (14) in the endoporus of tubulose soil sample barrel (2) upper end, fixedly connected with hammer seat (11) lower end in shaft adapter (14) upper end, shaft adapter (14) lower end transition fit has the bearing pin (15) of length greater than shaft adapter (14) diameter, the hole wall of tubulose soil sample barrel (2) upper end is provided with kidney slot (21) vertically, kidney slot (21) runs through left and right sides tube wall, the two ends of bearing pin (15) are arranged in kidney slot (21), and are slidingly matched with kidney slot (21).
3, according to the described soil sampling device of claim 2 based on ram engine, it is characterized in that: described tubulose soil sample barrel (2) upper end is connected with extension bar (5), extension bar (5) and external diameter coaxial with tubulose soil sample barrel (2) equates, extension bar (5) flexibly connects with shaft adapter (14), extension bar (5) slide outside is combined with spreading spacer (6), spreading spacer (6) and extension bar (5) equal in length, spreading spacer (6) equates that with tubulose spacer (3) coaxial cable and interior external diameter spreading spacer (6) is connected with tubulose spacer (3); Described extension bar (5) comprises shaft (51), mandrel (52), endoporus and shaft adapter (14) that shaft (51) upper end is provided with are slidingly matched, the hole wall of shaft (51) upper end is provided with gain (511) vertically, gain (511) is identical with the physical dimension of tubulose soil sample barrel (2) upper end kidney slot (21), bearing pin (15) two ends on the shaft adapter (14) are arranged in gain (511), and are slidingly matched with gain (511); Described mandrel (52) is fixedly connected in the endoporus of shaft (51) lower end setting, the endoporus of mandrel (52) lower end and tubulose soil sample barrel (2) upper end is slidingly matched, mandrel (52) lower end transition fit has pin (53), the axis of pin (53) and mandrel (52) axis normal, the two ends of pin (53) are arranged in the kidney slot (21) of tubulose soil sample barrel (2) upper end, and are slidingly matched with kidney slot (21); Described spreading spacer (6) lower surface is provided with the boss (61) of coaxial cable, tubulose spacer (3) upper surface is provided with the pit (32) of coaxial cable, the degree of depth of pit (32) is more than or equal to the height of boss (61), boss (61) is engaged in the pit (32), spreading spacer (6) upper surface is provided with the recessed rank (62) of coaxial cable, and recessed rank (62) are identical with the physical dimension of tubulose spacer (3) upper surface pit (32).
4, according to the described soil sampling device of claim 3 based on ram engine, it is characterized in that: the quantity of described extension bar (5) is more than two or two, the quantity of the quantity extension bar (5) of spreading spacer (6) is identical, the endoporus and the shaft adapter (14) that are positioned on extension bar (5) shaft (51) topmost are slidingly matched, bearing pin (15) two ends on the shaft adapter (14) are arranged in the gain (511) of extension bar (5) shaft (51) upper end, and are slidingly matched with gain (511); The mandrel (52) that the lower end of a last extension bar (5) of the extension bar (5) in the middle of being arranged in is provided with, the endoporus that is provided with the upper end of next extension bar (5) is slidingly matched, transition fit is at the pin (53) of mandrel (52) lower end, its two ends lay respectively in the gain (511) of next extension bar (5) upper end setting, and are slidingly matched with gain (511); The mandrel (52) that extension bar bottom (5) lower end is provided with is slidingly matched with tubulose soil sample barrel (2) upper end endoporus, transition fit is at the pin (53) of mandrel (52) lower end, its two ends lay respectively in the kidney slot (21) of tubulose soil sample barrel (2) upper end setting, and are slidingly matched with kidney slot (21); The lower end of spreading spacer (6) bottom, be engaged in by its boss (61) in the pit (32) of tubulose spacer (3) upper end, the lower end of a last spreading spacer (6) of other arbitrary spreading spacer (6) is engaged in by the boss (61) of its lower end in the recessed rank (62) of next spreading spacer (6) upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201273797U CN201408129Y (en) | 2009-05-20 | 2009-05-20 | Soil sampling device on basis of pile driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201273797U CN201408129Y (en) | 2009-05-20 | 2009-05-20 | Soil sampling device on basis of pile driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201408129Y true CN201408129Y (en) | 2010-02-17 |
Family
ID=41679066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201273797U Expired - Fee Related CN201408129Y (en) | 2009-05-20 | 2009-05-20 | Soil sampling device on basis of pile driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201408129Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881705A (en) * | 2010-06-24 | 2010-11-10 | 河南科技大学 | Combined quantitative sampler used for researching plant root distribution and root morphology |
| CN103217315A (en) * | 2013-04-28 | 2013-07-24 | 北京林业大学 | Foot extracting device for sand |
| CN105185217A (en) * | 2014-06-19 | 2015-12-23 | 北京工业大学 | Driven pile construction teaching entity model and teaching demonstration method therefor |
| CN105606395A (en) * | 2015-11-16 | 2016-05-25 | 太原理工大学 | Manual type mechanical-gear soil sampler for filling soil sample |
| CN106869119A (en) * | 2017-02-22 | 2017-06-20 | 沙焕焕 | Stiff composite pile intelligence construction system |
| CN109580274A (en) * | 2018-11-26 | 2019-04-05 | 中山市德丰科技服务有限公司 | Drilling device for geological survey |
-
2009
- 2009-05-20 CN CN2009201273797U patent/CN201408129Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881705A (en) * | 2010-06-24 | 2010-11-10 | 河南科技大学 | Combined quantitative sampler used for researching plant root distribution and root morphology |
| CN103217315A (en) * | 2013-04-28 | 2013-07-24 | 北京林业大学 | Foot extracting device for sand |
| CN105185217A (en) * | 2014-06-19 | 2015-12-23 | 北京工业大学 | Driven pile construction teaching entity model and teaching demonstration method therefor |
| CN105606395A (en) * | 2015-11-16 | 2016-05-25 | 太原理工大学 | Manual type mechanical-gear soil sampler for filling soil sample |
| CN106869119A (en) * | 2017-02-22 | 2017-06-20 | 沙焕焕 | Stiff composite pile intelligence construction system |
| CN106869119B (en) * | 2017-02-22 | 2019-01-25 | 沙焕焕 | Stiff composite pile intelligence construction system |
| CN109580274A (en) * | 2018-11-26 | 2019-04-05 | 中山市德丰科技服务有限公司 | Drilling device for geological survey |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201408129Y (en) | Soil sampling device on basis of pile driver | |
| CN101736732B (en) | Pressure and water reduction construction method of ultra-deep foundation pit confined water | |
| CN104878745A (en) | Pile-forming device with double-helix drill rod and pile-forming method | |
| CN211314097U (en) | Drilling rig for geotechnical engineering investigation | |
| CN201635074U (en) | Ground anchor | |
| CN102183230B (en) | An anchoring device of a datum mark in a boring | |
| CN111749231A (en) | Double-sleeve double-drive full-rotation pile forming device and pile forming process | |
| CN207047834U (en) | A kind of construction system of hollow preformed pile | |
| CN109853534A (en) | A kind of strength core pedestal pile constructing process | |
| CN203230415U (en) | Staged simultaneous sampling water exploration pipe column for multi-stage fractured horizontal well | |
| CN216765839U (en) | High-stability building pile foundation convenient to construct | |
| CN201521246U (en) | Quick well formation device in soft soil layer | |
| CN104100234A (en) | Staged simultaneous sampling and water exploration pipe column for multi-stage fractured horizontal well and working method of staged simultaneous sampling and water exploration pipe column | |
| CN204385717U (en) | The portable pneumatic drilling rig of work transmission line soil investigation | |
| CN110926857A (en) | Novel original state soil sample soil sampling Luoyang shovel | |
| CN204098779U (en) | Drilling machine structure | |
| CN220953575U (en) | Stone detection device for bored concrete pile construction | |
| CN213456179U (en) | Core tube assembly for drilling high-depth soil with water content | |
| CN201089931Y (en) | Pile-driving sink pipe for foundation construction | |
| CN212223855U (en) | Double-sleeve type full-rotation super-long pile construction tool | |
| CN204199284U (en) | Deep layer Drop hammer pile driver | |
| CN201087417Y (en) | Piling immersed tube of prefabricated steel concrete bottom expanding pile for foundation construction | |
| CN202039804U (en) | An anchor device for a datum point in a drill hole | |
| CN215985277U (en) | Portable hydraulic ring geological survey sampling device | |
| CN215593986U (en) | Steel pipe anchor rod static pressure pile |
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: 20100217 Termination date: 20120520 |