CN105437394A - Tightly holding device in standard sample machining process - Google Patents
Tightly holding device in standard sample machining process Download PDFInfo
- Publication number
- CN105437394A CN105437394A CN201510968069.8A CN201510968069A CN105437394A CN 105437394 A CN105437394 A CN 105437394A CN 201510968069 A CN201510968069 A CN 201510968069A CN 105437394 A CN105437394 A CN 105437394A
- Authority
- CN
- China
- Prior art keywords
- nibs
- column
- limit
- distance
- small column
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/04—Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work
- B28D7/043—Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work the supporting or holding device being angularly adjustable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a tightly holding device in a standard sample machining process. The tightly holding device comprises screw rods, nuts and a fixing device; eight sets of screw rods and nuts are provided, wherein four sets have diameters of 12 mm, and the other four sets have diameters of 16 mm; the fixing device is formed by machining a cylindrical nylon rod, and a cylindrical hole with a diameter of 62.5 mm is machined in middle through a lathe for tightly holding a cylindrical sample to be machined; the fixing device has four small cylindrical holes with diameters of 12 mm and with a fixing effect on the fixing device; the fixing device is additionally provided with four large cylindrical holes with diameters of 16 mm; and the four large cylindrical holes with the diameters of 16 mm achieve a fixing effect on the fixing device and a drill base. The tightly holding device in the standard sample machining process has such advantages as high working efficiency, low workload, simple operation and high sample sampling efficiency.
Description
Technical field
The present invention relates to rock core standard specimen processing technique field, be specially the enclasp device in a kind of standard specimen process, belong to Coal Mining Technology field.
Background technology
In process of coal mining, overlying rock can be divided into caving zone, fissure zone and warp damage from below to up.The characteristics of motion of research overlying rock contributes to the mechanism understood roof break, first weighting, periodic weighting, wall caving and cut the phenomenons such as top.The basic mechanical character of overlying rock understands the basis of movement rule.In order to understand the mechanical properties of rock of overlying strata, be generally carry out coring by boring at present.By processing rock core, it is 50mm that rock core is processed into diameter, highly for the standard specimen of 100mm carries out uniaxial compression test and triaxial compression test, obtain the parameters such as the uniaxial compressive strength of each rock stratum, triaxial shear strength, internal friction angle and cohesive strength.Reliable parameter is provided for carrying out indoor Numerical Experiment, similarity simulation experiment and site operation.
The rock core obtained at present has plenty of and is greater than 75mm, also to have manyly to be less than 75mm.But the method for making in laboratory standard specimen cannot be processed the rock core lower than 75mm at present.Therefore, be badly in need of a kind of device to be fixed it and could to process successfully.
Based on above technical problem, the invention provides the enclasp device in a kind of standard specimen process, it has, and operating efficiency be high, workload is little, simple to operate, processing sample rate advantages of higher.
Summary of the invention
The object of the invention is, in order to overcome above-mentioned deficiency of the prior art, to provide the enclasp device in a kind of standard specimen process.The present invention has that operating efficiency is high, workload is little, simple to operate, processing sample rate advantages of higher.
For achieving the above object, the present invention adopts following technical scheme: the enclasp device in a kind of standard specimen process, it comprises screw rod, nut and fixture, described screw rod and nut be totally eight covers, wherein, the diameter of the four described screw rods of cover and nut is 12mm, the diameter of other four covers is 16mm, described fixture is the rectangular structure processed by one piece of column type nylon rod, and the centre of described fixture has a diameter to be the cylindrical hole for holding the column type sample needing processing tightly of 62.5mm by lathe process; Described fixture is provided with the small column nibs for playing fixation to fixture that four diameters are 12mm, four cover diameters are that the described screw rod of 12mm and nut are connected respectively at four small column nibs; Described fixture being also provided with to the diameter of four for this fixture and rig substructure being fixed together is the big column nibs of 16mm, and four cover diameters are that the described screw rod of 16mm and nut are connected respectively at four big column nibs.
Further, as preferably, described fixture is 300mm by diameter, and the high nylon rod for 160mm processes, and is of a size of 160mm*160mm*120mm after making.
Further, as preferably, the end points of the upper end face of described fixture is respectively A, B, C, D, the bottom surface end points be connected with terminal A is F, and the bottom surface end points be connected with terminal B is G, and the bottom surface end points be connected with end points D is E, four diameters are that the described small column nibs of 12mm is respectively small column nibs one, small column nibs two, small column nibs three and small column nibs four, wherein, small column nibs one is apart from AD limit 25mm, and distance DE limit is 37mm; Small column nibs two is 25mm, distance AF limit apart from AD limit is 37mm; Small column nibs three is 37mm, distance EF apart from DE limit is 25mm; Small column nibs four is 25mm, distance AF limit apart from EF limit is 37mm.
Further, as preferably, four diameters are that the big column nibs of 16mm is respectively big column nibs one, big column nibs two, big column nibs three and big column nibs four, and wherein, big column nibs one is apart from AB limit 18mm, and distance AD limit is 18mm; Big column nibs two is apart from AB limit 18mm, and distance BC limit is 18mm; Big column nibs three is apart from BC limit 18mm, and distance CD limit is 18mm; Big column nibs four is 18mm, distance AD limit apart from CD limit is 18mm.
Further, as preferably, diameter is the cylindrical center distance AB of the cylindrical hole of 62.5mm, the distance of BC, CD and AD four edges is 80mm.
Further, as preferably, described fixture is combined by the two halves of symmetry, and the tangent plane of symmetrical centre is perpendicular to limit AB and CD, and through the mid point of limit AB and CD.
In addition, present invention also offers a kind of method utilizing this enclasp device to carry out processing criterion sample, it is characterized in that, it comprises the following steps:
(1) first, passing hole big column nibs one and big column nibs four-function diameter are that described fixture is fixed on the base of rig by the screw rod of 16mm;
(2) column type capsule pad is placed on the bottom of placing sample;
(3) rock core is placed in described fixture;
(4) rock core and described fixture close contact is made by small column nibs one, small column nibs two, small column nibs three and small column nibs four;
(5) adjusting rig substructure makes rock core aim at drill bit;
(6) running water switch is opened;
(7) rig power supply is opened;
(8) production standard sample is started;
(9) powered-down;
(10) drill bit is exited;
(11) turn on nut and open described fixture;
(12) take out the standard specimen drilled through to cut.
Beneficial effect of the present invention is:
(1) enclasp device in a kind of standard specimen process of the present invention, is adopted, adjusting base and drill bit can not be needed to find the position drilled through, only drill bit need be regulated to move up and down just can process by chosen position exactly, few man power and material can be added, improve processing speed;
(2), adopt the enclasp device in the present invention a kind of standard specimen process to be that a kind of nylon material processes, have that quality is light, tear resistance strong, oil resistant, antidetonation, stretch, bending strength is good, and have that water imbibition is little, the advantage such as loss is little in good stability of the dimension, process;
(3), adopt the enclasp device in a kind of standard specimen process of the present invention can get standard specimen to below 75mm rock core drill, reduce the on-the-spot requirement to rock core;
(4), the enclasp device in a kind of standard specimen process of the present invention is adopted can to improve the working modulus of sample.
Accompanying drawing explanation
Fig. 1 is the structural representation of the fixture of enclasp device in a kind of standard specimen process of the present invention;
Fig. 2 is the overall structure schematic diagram of the enclasp device in a kind of standard specimen process of the present invention;
Wherein, 1, small column nibs one, 2, small column nibs two, 3, small column nibs three, 4, small column nibs four, 5, big column nibs one, 6, big column nibs two, 7, big column nibs three, 8, big column nibs four, 9, cylindrical hole, 10, diameter is 12mm screw rod, 11, diameter is 12mm nut, 12, diameter is 16mm screw rod, 13, diameter is the nut of 16mm, 14, fixture.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description is carried out to the present invention.But should be appreciated that being provided only of accompanying drawing understands the present invention better, they not should be understood to limitation of the present invention.
As shown in Figure 1-2, the invention provides the enclasp device in a kind of standard specimen process, it comprises screw rod, nut and fixture 14, described screw rod and nut be totally eight covers, wherein, the diameter of the four described screw rods of cover and nut is 12mm, the diameter of other four covers is 16mm, described fixture is the rectangular structure processed by one piece of column type nylon rod, the fixture made like this has good toughness, tear resistance is strong, oil resistant, antidetonation, stretch, bending strength is good, and it is little to have water imbibition, the features such as good stability of the dimension, the centre of described fixture has a diameter to be the cylindrical hole 9 for holding the column type sample needing processing tightly of 62.5mm by lathe process, described fixture is provided with the small column nibs for playing fixation to fixture that four diameters are 12mm, four cover diameters are that the described screw rod 10 of 12mm and nut 11 are connected respectively at four small column nibs, described fixture being also provided with to the diameter of four for this fixture and rig substructure being fixed together is the big column nibs of 16mm, and four cover diameters are that the described screw rod 12 of 16mm and nut 13 are connected respectively at four big column nibs.
In the present embodiment, described fixture is 300mm by diameter, and the high nylon rod for 160mm processes, and is of a size of 160mm*160mm*120mm after making.
As shown in Figure 1, the end points of the upper end face of fixture is respectively A, B, C, D, the bottom surface end points be connected with terminal A is F, the bottom surface end points be connected with terminal B is G, the bottom surface end points be connected with end points D is E, and four diameters are that the described small column nibs of 12mm is respectively small column nibs 1, small column nibs 22, small column nibs 33 and small column nibs 44, wherein, small column nibs 1 distance AD limit 25mm, distance DE limit is 37mm; Small column nibs 22 distance AD limit is 25mm, distance AF limit is 37mm; Small column nibs 33 distance DE limit is 37mm, distance EF is 25mm; Small column nibs 44 distance EF limit is 25mm, distance AF limit is 37mm.
Four diameters are that the big column nibs of 16mm is respectively big column nibs 1, big column nibs 26, big column nibs 37 and big column nibs 48, wherein, big column nibs 1 distance AB limit 18mm, distance AD limit is 18mm; Big column nibs 26 distance AB limit 18mm, distance BC limit is 18mm; Big column nibs 37 distance BC limit 18mm, distance CD limit is 18mm; Big column nibs 48 distance CD limit is 18mm, distance AD limit is 18mm.Diameter is the cylindrical center distance AB of the cylindrical hole of 62.5mm, the distance of BC, CD and AD four edges is 80mm.Fixture is combined by the two halves of symmetry, and the tangent plane of symmetrical centre is perpendicular to limit AB and CD, and through the mid point of limit AB and CD.
In addition, present invention also offers a kind of method utilizing this enclasp device to carry out processing criterion sample, it comprises the following steps:
(1) first, passing hole big column nibs one and big column nibs four-function diameter are that described fixture 14 is fixed on the base of rig by the screw rod of 16mm;
(2) column type capsule pad is placed on the bottom of placing sample;
(3) rock core is placed in described fixture;
(4) rock core and described fixture close contact is made by small column nibs one, small column nibs two, small column nibs three and small column nibs four;
(5) adjusting rig substructure makes rock core aim at drill bit;
(6) running water switch is opened;
(7) rig power supply is opened;
(8) production standard sample is started;
(9) powered-down;
(10) drill bit is exited;
(11) turn on nut and open described fixture;
(12) take out the standard specimen drilled through to cut.
Adopt the enclasp device in a kind of standard specimen process of the present invention, adjusting base and drill bit can not be needed to find the position drilled through, only drill bit need be regulated to move up and down just can process by chosen position exactly, few man power and material can be added, improve processing speed; The present invention is that a kind of nylon material processes, and have that quality is light, tear resistance is strong, oil resistant, antidetonation, stretch, bending strength is good, and have that water imbibition is little, the advantage such as loss is little in good stability of the dimension, process; Adopt the enclasp device in a kind of standard specimen process of the present invention can get standard specimen to below 75mm rock core drill, reduce the on-the-spot requirement to rock core, adopt the enclasp device in a kind of standard specimen process of the present invention can improve the working modulus of sample.
Above embodiment is only for illustration of the present invention; and be not limitation of the present invention; the those of ordinary skill of relevant technical field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all equivalent technical schemes also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (7)
1. the enclasp device in a standard specimen process, it is characterized in that, it comprises screw rod, nut and fixture, described screw rod and nut be totally eight covers, wherein, the diameter of the four described screw rods of cover and nut is 12mm, and the diameter of other four covers is 16mm, described fixture is the rectangular structure processed by one piece of column type nylon rod, and the centre of described fixture has a diameter to be the cylindrical hole for holding the column type sample needing processing tightly of 62.5mm by lathe process; Described fixture is provided with the small column nibs for playing fixation to fixture that four diameters are 12mm, four cover diameters are that the described screw rod of 12mm and nut are connected respectively at four small column nibs; Described fixture being also provided with to the diameter of four for this fixture and rig substructure being fixed together is the big column nibs of 16mm, and four cover diameters are that the described screw rod of 16mm and nut are connected respectively at four big column nibs.
2. the enclasp device in a kind of standard specimen process according to claim 1, it is characterized in that, described fixture is 300mm by diameter, and the high nylon rod for 160mm processes, and is of a size of 160mm*160mm*120mm after making.
3. the enclasp device in a kind of standard specimen process according to claim 1, it is characterized in that, the end points of the upper end face of described fixture is respectively A, B, C, D, the bottom surface end points be connected with terminal A is F, the bottom surface end points be connected with terminal B is G, the bottom surface end points be connected with end points D is E, four diameters are that the described small column nibs of 12mm is respectively small column nibs one, small column nibs two, small column nibs three and small column nibs four, wherein, small column nibs one is apart from AD limit 25mm, and distance DE limit is 37mm; Small column nibs two is 25mm, distance AF limit apart from AD limit is 37mm; Small column nibs three is 37mm, distance EF apart from DE limit is 25mm; Small column nibs four is 25mm, distance AF limit apart from EF limit is 37mm.
4. the enclasp device in a kind of standard specimen process according to claim 3, it is characterized in that, four diameters are that the big column nibs of 16mm is respectively big column nibs one, big column nibs two, big column nibs three and big column nibs four, wherein, big column nibs one is apart from AB limit 18mm, and distance AD limit is 18mm; Big column nibs two is apart from AB limit 18mm, and distance BC limit is 18mm; Big column nibs three is apart from BC limit 18mm, and distance CD limit is 18mm; Big column nibs four is 18mm, distance AD limit apart from CD limit is 18mm.
5. the enclasp device in a kind of standard specimen process according to claim 4, is characterized in that, diameter is the cylindrical center distance AB of the cylindrical hole of 62.5mm, the distance of BC, CD and AD four edges is 80mm.
6. the enclasp device in a kind of standard specimen process according to claim 5, is characterized in that, described fixture is combined by the two halves of symmetry, and the tangent plane of symmetrical centre is perpendicular to limit AB and CD, and through the mid point of limit AB and CD.
7. utilize the enclasp device in a kind of standard specimen process described in claim 1-6 any one to carry out a method for processing criterion sample, it is characterized in that, it comprises the following steps:
(1) first, passing hole big column nibs one and big column nibs four-function diameter are that described fixture is fixed on the base of rig by the screw rod of 16mm;
(2) column type capsule pad is placed on the bottom of placing sample;
(3) rock core is placed in described fixture;
(4) rock core and described fixture close contact is made by small column nibs one, small column nibs two, small column nibs three and small column nibs four;
(5) adjusting rig substructure makes rock core aim at drill bit;
(6) running water switch is opened;
(7) rig power supply is opened;
(8) production standard sample is started;
(9) powered-down;
(10) drill bit is exited;
(11) turn on nut and open described fixture;
(12) take out the standard specimen drilled through to cut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510968069.8A CN105437394B (en) | 2015-12-21 | 2015-12-21 | A kind of cohesion device in standard specimen process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510968069.8A CN105437394B (en) | 2015-12-21 | 2015-12-21 | A kind of cohesion device in standard specimen process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105437394A true CN105437394A (en) | 2016-03-30 |
| CN105437394B CN105437394B (en) | 2017-11-21 |
Family
ID=55548253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510968069.8A Expired - Fee Related CN105437394B (en) | 2015-12-21 | 2015-12-21 | A kind of cohesion device in standard specimen process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105437394B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194043A (en) * | 2018-01-30 | 2018-06-22 | 贵州理工学院 | The evaluation of coal mine Roof And Floor Stability drills through device with different-diameter core |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006112797A (en) * | 2004-09-16 | 2006-04-27 | Sumitomo Chemical Co Ltd | Manufacturing method of sample for analysis of inclusion included in metal aluminium sample |
| CN201965047U (en) * | 2011-01-25 | 2011-09-07 | 东莞市亿铖达焊锡制造有限公司 | Die for producing spectrum analysis sample |
| CN203758811U (en) * | 2014-02-20 | 2014-08-06 | 中国人民解放军总参谋部工程兵科研三所 | Homogeneous rock model with uniaxial compressive strength of 20-30MPa |
| CN104634637A (en) * | 2015-03-03 | 2015-05-20 | 中国科学院武汉岩土力学研究所 | Artificial rock core containing natural rock as well as manufacturing method and molding mould of artificial rock core |
| WO2015097250A1 (en) * | 2013-12-24 | 2015-07-02 | Sncf Reseau | Creation of a sample of soil treated with lime and/or hydraulic binders |
| CN204612993U (en) * | 2015-02-12 | 2015-09-02 | 中国矿业大学(北京) | A kind of cylinder mold |
| CN205310566U (en) * | 2015-12-21 | 2016-06-15 | 河南理工大学 | Cohesion device in standard sample course of working |
-
2015
- 2015-12-21 CN CN201510968069.8A patent/CN105437394B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006112797A (en) * | 2004-09-16 | 2006-04-27 | Sumitomo Chemical Co Ltd | Manufacturing method of sample for analysis of inclusion included in metal aluminium sample |
| CN201965047U (en) * | 2011-01-25 | 2011-09-07 | 东莞市亿铖达焊锡制造有限公司 | Die for producing spectrum analysis sample |
| WO2015097250A1 (en) * | 2013-12-24 | 2015-07-02 | Sncf Reseau | Creation of a sample of soil treated with lime and/or hydraulic binders |
| CN203758811U (en) * | 2014-02-20 | 2014-08-06 | 中国人民解放军总参谋部工程兵科研三所 | Homogeneous rock model with uniaxial compressive strength of 20-30MPa |
| CN204612993U (en) * | 2015-02-12 | 2015-09-02 | 中国矿业大学(北京) | A kind of cylinder mold |
| CN104634637A (en) * | 2015-03-03 | 2015-05-20 | 中国科学院武汉岩土力学研究所 | Artificial rock core containing natural rock as well as manufacturing method and molding mould of artificial rock core |
| CN205310566U (en) * | 2015-12-21 | 2016-06-15 | 河南理工大学 | Cohesion device in standard sample course of working |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194043A (en) * | 2018-01-30 | 2018-06-22 | 贵州理工学院 | The evaluation of coal mine Roof And Floor Stability drills through device with different-diameter core |
| CN108194043B (en) * | 2018-01-30 | 2023-11-03 | 贵州理工学院 | Device is got with different diameter core drills to colliery top bottom plate stability evaluation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105437394B (en) | 2017-11-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106124311B (en) | The method of crack propagation evolutionary process is differentiated based on strain testing | |
| CN103983494A (en) | Test device of model for manufacturing rock masses containing interlayers and test method thereof | |
| CN104014836B (en) | A kind of longitudinal-torsional composite ultrasonic vibration cutting device | |
| CN105563668A (en) | Method for machining plunger-shaped core of brittle fragile rock sample through linear cutting technology | |
| CN203561524U (en) | Irregular rock mass drilled core sampling device | |
| CN204165829U (en) | For determining the bearing in SCB test specimen orientation | |
| CN205310566U (en) | Cohesion device in standard sample course of working | |
| CN205426555U (en) | 6 station formula rock core core drill machine of axial anchor clamps base | |
| CN104034552A (en) | Ultrasonic auxiliary rock sampling device and method | |
| CN102937554B (en) | High-stress rock drilling testing device | |
| Xiong et al. | Experimental investigation into mixed tool cutting of granite with stinger PDC cutters and conventional PDC cutters | |
| CN105437394A (en) | Tightly holding device in standard sample machining process | |
| CN107796551B (en) | Indoor experiment platform of local wall stress relief method instrument and measurement method thereof | |
| CN106226121A (en) | A kind of rock corning machine clamp base all-directional adjusting apparatus and control method automatically | |
| CN210123360U (en) | Mine geology rock sampling device | |
| Wang et al. | Effect of cyclic temperature impact on coal seam permeability | |
| CN102288466B (en) | Preparation method of rock mass sample | |
| CN201413249Y (en) | Core drilling machine sampling clamp | |
| CN202274995U (en) | Rock breaking experimental device under high temperature and high pressure | |
| CN206299338U (en) | Light sound wave core drilling rig | |
| CN106441989B (en) | Drilling system for rock weakly cemented rock test piece | |
| CN204894118U (en) | A drilling equipment for furniture manufacture | |
| CN205969537U (en) | Seam device is made in rock drilling | |
| CN106706393A (en) | Method for determining representative elementary volume (REV) of columnar jointed rock mass through similarity model | |
| CN203334961U (en) | Drill bit for glacier drilling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171121 Termination date: 20211221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |