CN204514643U - Undisturbed device got by the simple and easy probing cutting ring of circuit - Google Patents
Undisturbed device got by the simple and easy probing cutting ring of circuit Download PDFInfo
- Publication number
- CN204514643U CN204514643U CN201520211172.3U CN201520211172U CN204514643U CN 204514643 U CN204514643 U CN 204514643U CN 201520211172 U CN201520211172 U CN 201520211172U CN 204514643 U CN204514643 U CN 204514643U
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- China
- Prior art keywords
- cutting ring
- stopple coupon
- narrows
- circuit
- undisturbed
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- 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
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses the simple and easy probing cutting ring of a kind of circuit and get undisturbed device, comprise bundle joint formula uncovered cutting ring soil sampler, with the uncovered cutting ring soil sampler of bundle joint formula with the use of add to press and carry power assisting device and cutting ring soil sample save set; The described uncovered cutting ring soil sampler of bundle joint formula comprises the stopple coupon that fixedly narrows, install one in the one end of the stopple coupon that fixedly narrows and close cone cylinder, a through hole be connected with the stopple coupon that fixedly narrows is provided with in described closed cone cylinder, and a ball valve is placed in through hole, a coupled hollow drill is set in the end of closed cone cylinder, closed cone cylinder is provided with bleeder vent; Described add to press carry power assisting device and be arranged on the upper of hollow drill.
Description
Technical field
The utility model relates to the determination of the simple and easy cutting ring sample device of a kind of circuit, belongs to field of civil engineering.
Background technology
Current highway prospecting is main adopts rig sampling, desirable undisturbed and disturbance sample.And in circuit prospecting, consider roadbed influence depth, construction and equipment carrying facility and economic factors, row sampling is crept into mainly through artificial Luoyang Spade or fried dough twist (spiral), the disturbance sample can only getting III ~ IV grade carries out great soil group and names, but then cannot carry out water cut, density, consolidation and strength test.
Take soil sample should with the continuous plunging of quick static(al) according to " Highway engineering geological exploration specification " (JTJC20-2011), " Code for investigation of geotechnical engineering " (2009 revision) GB50021-2001, and Luoyang Spade, twist drill all cannot realize at present, the on-the-spot desirable undisturbed of cutting ring, but be only limitted to surface layer, mainly reason three point: how (1) cutting ring adds arm, increase the degree of depth that fetches earth, cutting ring head fetches earth and guarantees former state; (2) preparation of cutting ring soil sampler and fixing, guarantees that soil sample can enter in cutting ring; (3) power-assisted mode during test, guarantee sampler press down and on carry; (4) cutting ring sampling transport and preserve also be a difficult problem, cutting ring be circle, how to guarantee that sample seals, sample is consistent with original position direction, prevents water-cut variation, is strictly on guard against to be exposed to the sun or freezing, and avoid vibration in transit, guarantee the quality of undisturbed.
Utility model content
In order to solve the technological deficiency existed in prior art, the utility model discloses the device that a kind of simple and easy probing top layer and deep layer get undisturbed, adding press when namely restrainting joint formula uncovered cutting ring soil sampler, simple and easy boring with sampling, carries power assisting device, i.e. cutting ring soil sample save set and determine that the method for undisturbed got by the simple and easy probing cutting ring of circuit in jaw type boost bar (riding), a kind of field operation and transportation.
The technical solution adopted in the utility model is as follows:
Undisturbed device got by the simple and easy probing cutting ring of circuit, comprise bundle joint formula uncovered cutting ring soil sampler, with the uncovered cutting ring soil sampler of bundle joint formula with the use of jaw type boost bar device and cutting ring soil sample save set; The described uncovered cutting ring soil sampler of bundle joint formula comprises the stopple coupon that fixedly narrows, install one in the one end of the stopple coupon that fixedly narrows and close cone cylinder, a through hole be connected with the stopple coupon that fixedly narrows is provided with in described closed cone cylinder, and a ball valve is placed in through hole, a coupled hollow drill is set in the end of closed cone cylinder, closed cone cylinder is provided with bleeder vent; Described add to press carry power assisting device and be arranged on the upper of hollow drill.
Described soil sample barrel device also comprises the stopple coupon that detachably narrows, and the described stopple coupon that detachably narrows snaps together formation tubular structure with the stopple coupon that fixedly narrows.
The described stopple coupon that detachably narrows completes consistent with the structure of the stopple coupon that fixedly narrows.
The inwall of described detachably narrow stopple coupon and the stopple coupon that fixedly narrows is provided with the groove for placing cutting ring.
Be provided with cutting ring in described groove, the knife edge part of cutting ring is positioned at one end relative with closed cone cylinder.
Two ends of described fixedly narrow stopple coupon and the stopple coupon that detachably narrows are equipped with identical external thread.
When the stopple coupon that detachably narrows snaps together with the stopple coupon that fixedly narrows, its male thread portion matches with Shu Jiehuan.
The bottom of described fixedly narrow stopple coupon and the stopple coupon that detachably narrows is stopple coupon sword.
Cutting ring soil sample save set, comprise an outer container, the inside of described outer container has been separated into multiple space, a portable capsule is placed with in each space, each portable capsule comprises " U " shape latch, in described " U " shape latch, be provided with multiple bi-directional push-pull drawer for placing cutting ring soil sample.
The outer wall of described outer container adopts aluminum alloy material, and its inwall is cystosepiment.
The inside cotton gauze of described outer container is separated into 9 square space with area, places a portable capsule in each square space.
Described drawer, it is identical with the height of cutting ring at the height of vertical direction, in the horizontal direction, its four limits and cutting ring tangent.
The two side, front and back of described drawer and cutting ring height and capsule interlayer height completely the same.Described each sidewall is double-deck, and intermediate gaps inserts field label and the shop experiment label of soil sample respectively.
The outside of described portable capsule arranges nylon handle, and nylon handle is fixed on bottom capsule and both sides.
Circuit simple and easy probing sample pickup tongs formula power assisting device, comprises a left arm and right arm, and one end of described left arm is U-shaped, and one end of right arm is groove, and the groove ends of described right arm is inserted into the U-shaped end interior formation jaw of left arm, and two ends are connected by coupling arrangement.The bottom of the U-shaped end of described left arm and the groove ends of right arm is equipped with pincers tooth.
Described jaw coordinates with drilling rod in use.
Described coupling arrangement comprises a bolt and latch, and described bolt, through the groove ends of right arm and the U-shaped end of left arm, is fixed by a latch.
Using method of the present utility model is as follows:
(1) spy is dug with the stopple coupon that fixedly narrows drilling rod of screwing on;
(2) press down power-assisted with jaw type power assisting device to fetch earth, carry drilling tool with on jaw type power assisting device;
(3) to set depth sampling, cutting ring is put into narrow stopple coupon fixed groove and bottommost, buckles the stopple coupon that detachably narrows, upper and lower two Shu Jiehuan are tightened;
(4) repeat (2) step jaw type power assisting device to add to press and carry drilling tool and soil sample barrel;
(5) after soil sample barrel proposes, back out Shu Jiehuan, pull down the stopple coupon that detachably narrows, with the soil between fret-saw cutting cutting ring, take out band soil sample cutting ring, by fret-saw the cutting leveling of soil sample top and bottom;
(6) cutting ring (containing soil sample) is put into portable capsule bi-directional push-pull drawer;
(7) drawer is put into portable capsule, place field label;
(8) repeat above work, full 6 of sampling, inserts portable capsule " U " shape latch;
(9) sample complete, assist dismounting drilling rod with jaw type boost bar;
(10) portable capsule is taken back, put into aluminium alloy outer container;
(11) aluminium alloy outer container transports testing laboratory back, takes out latch, releases drawer, holding chamber interior label.
The beneficial effects of the utility model are as follows:
The simple and easy cutting ring sample device of circuit undisturbed of the present utility model, makes (1) fetch earth to add to press that to carry saving of labor easy, drilling tool easy construction easy to loading and unloading; (2) sampling preservation transport is feasible; (3) cutting ring soil sampler can fetch earth in shallow, deep layer, and method of assuring is feasible, easy to operate, and sampling quality is reliable.
Accompanying drawing explanation
Fig. 1-1 is only provided with the structural representation of the stopple coupon that fixedly narrows;
Fig. 1-2 detachably narrows the structural representation of stopple coupon;
Fig. 1-3 fixedly narrow stopple coupon and dismounting narrow stopple coupon combination after front view;
Fig. 1-4 fixedly narrow stopple coupon and dismounting narrow stopple coupon combination after vertical view;
Fig. 2-1 is the structural drawing of outer container;
Fig. 2-2 is the structural drawing of portable capsule;
Fig. 2-3 is the front view of " U " shape latch structure;
Fig. 2-4 is the vertical view of " U " shape latch structure;
Fig. 2-5 is the structural drawing of bi-directional push-pull drawer;
Fig. 3-1 jaw type boost bar (riding) structure drawing of device;
The structural drawing of Fig. 3-2 jaw;
In figure: 1-1 fixedly narrows stopple coupon, 1-2 detachably narrows stopple coupon, 1-3 drilling rod, and 1-4 closes cone cylinder, 1-5 ball valve, 1-6 bleeder vent, 1-7 screw thread, 1-8 groove, 1-9 pipe sword, 1-10 bundle joint ring, 1-11 cutting ring, the socket after 1-12 combination, 1-13 cutting ring sword; 2-1 outer container, the little space of 2-2,2-3 " U " shape latch, 2-4 nylon handle, the portable capsule of 2-5,2-6 bi-directional push-pull drawer, 2-7 label interlayer; 3-1 left arm, 3-2 right arm, 3-3 bolt, 3-4 latch, 3-5 jaw, 3-6 clamps tooth.
Embodiment
The utility model comprise bundle joint formula uncovered cutting ring soil sampler, with the uncovered cutting ring soil sampler of bundle joint formula with the use of add to press and carry power assisting device and cutting ring soil sample save set, the concrete structure of each device is as follows:
(1) the uncovered cutting ring soil sampler of joint formula is restrainted
The uncovered cutting ring soil sampler of bundle joint formula is as shown in Fig. 1-1-1-4; Comprise the stopple coupon 1-1 that fixedly narrows, install one in the one end of the stopple coupon 1-1 that fixedly narrows and close cone cylinder 1-4, a through hole be connected with the stopple coupon that fixedly narrows is provided with in described closed cone cylinder 1-4, and a ball valve 1-5 is placed in through hole, a coupled hollow drill 1-3 is set in the end of closed cone cylinder 1-4, closed cone cylinder is provided with bleeder vent 1-6;
The uncovered cutting ring soil sampler of bundle joint formula also comprises the stopple coupon 1-2 that detachably narrows, and the described stopple coupon that detachably narrows snaps together formation tubular structure with the stopple coupon that fixedly narrows, as shown in the socket 1-12 after figure combination.
All there is screw thread 1-7 two parts stopple coupon top and the bottom that narrow, facilitate Shu Jiehuan to tighten fixing cutting ring, cutting ring have cutting ring sword 1-13; Stopple coupon sword 1-9 is bottom it; Cutting ring fixed groove 1-8 is provided with inside it; The stopple coupon that fixedly narrows is fixedly connected with drilling rod.
When this utility model uses, only by the stopple coupon part that fixedly narrows, normally can dig spy as Luoyang Spade head and fetch earth at ordinary times; When getting undisturbed, cutting ring 1-11 is put into fixed groove and bottommost, buckle the stopple coupon that detachably narrows, upper and lower two Shu Jiehuan 1-10 are tightened, pressurization samples; When stopple coupon is carried, ball valve blocking top pore, forms enclosure space on top, guarantees that uncovered cutting ring sampling can not drop out; After proposition, back out Shu Jiehuan, pull down the stopple coupon that detachably narrows, take out cutting ring, the soil between cutting ring, by fret-saw cutting leveling, put into the portable capsule drawer that cutting ring is deposited.
General groove arranges 3 ~ 4, as too many in arranged, press down and on too painstaking when carrying, be inconvenient to operate.According to practical application, after applying this soil sample barrel, general soil sampling success ratio can reach 75% (2 ~ 3), gets undisturbed success ratio and can reach 40% (1 ~ 2).Substantially the function of getting undisturbed soil of any degree of depth in simple and easy probing is achieved.
(2) jaw type boost bar
This jaw type boost bar apparatus main body structure comprises: left arm 3-1, right arm 3-2, pincers tooth 3-6, bolt 3-3, latch 3-4, its sketch is as shown in Fig. 3-1,3-2.
One end of left arm 3-1 is U-shaped, and one end of right arm 3-2 is groove, and the groove ends of described right arm 3-2 is inserted into the U-shaped end interior formation jaw of left arm 3-1, and two ends are connected by bolt 3-3, latch 3-4; The bottom of the U-shaped end of left arm 3-1 and the groove ends of right arm 3-2 is equipped with pincers tooth 3-6.
When this utility model uses, left and right arm is stuck on drilling rod 1-3, then plugs bolt 3-3 and latch 3-4.In process drilling rod 1-3 carried or press down, no matter Yu Duogao on drilling rod, all can realize fixing the occlusion of drilling rod, guarantees afterburning whenever and wherever possible, and facilitates hand, pin firmly.The process of pressing down can be pressurizeed by workman's own body weight pedal, can guarantee that soil sample barrel is stable and press down, guarantee sampling quality; On put forward process at arbitrary height, workman can be put into self firmly most convenient position by handle, carries that everything goes well with your work on guaranteeing.
This jaw type device can also use as pipe wrench in drilling tool cargo handling process, its cutting edge and parcel property are more suitable for drilling tool, and in conveniently assemble and disassemble process, drilling tool is fixed and rotates firmly, operates simpler, can reduce in field operation process and carry two pipe wrench, simplify field operation equipment.
After adopting this device, operating personnel can be reduced to 2 people by 4 present people, and efficiency doubles, and artificial labour cost can reduce half.And this apparatus structure is simple, solid with force, relative pipe wrench permanance improves at least 5 ~ 8 times.
(3) cutting ring soil sample save set
This cutting ring soil sample save set agent structure comprises: comprise an outer container 2-1, the inside of described outer container 2-1 has been separated into multiple little space 2-2, a portable capsule 2-5 is placed with in each little space 2-2, each portable capsule 2-5 comprises " U " shape latch 2-3, in described " U " shape latch 2-3, be provided with multiple bi-directional push-pull drawer 2-3 for placing cutting ring soil sample.Its sketch is as shown in Fig. 2-1-2-5.
The outer container 2-1 of this device adopts aluminum alloy material, and load-bearing is strong, quality is light; Inwall is cystosepiment, and inside cotton gauze is separated into 9 squares with area, and parcel property is good, reduces capsule rocking in case in transportation.
Portable capsule 2-5 adopts transparent Asia can power sheet material matter.Capsule divides 6 bi-directional push-pull drawer 2-3 up and down, and " Code for investigation of geotechnical engineering " (revision in 2009) GB50021-2001 requirement, general sampling 6 is one group.It is heavily generally 1 kilogram that 6 cutting ring 1-11 add soil sample, and be convenient for carrying in the wild, 1 ~ 2 capsule is carried in each simple and easy boring, can put back to aluminium alloy outer container, every case 9 box, weigh about 10 kilograms containing case, convenient carrying after every driller's point terminates.
Vertical direction, cutting ring 1-11 is highly identical with bi-directional push-pull drawer 2-3, and cutting ring 1-11 puts into after bi-directional push-pull drawer 2-3 pushes capsule, and capsule dividing plate and drawer-bottom board are close in its top and bottom.
Horizontal direction, guarantee cutting ring 1-11 and portable capsule 2-5 tetra-limit tangent, guarantee that cutting ring does not rock; By top " U " shaped steel latch, guarantee the nonvoluntary slip of drawer.By above measure, cutting ring up and down before and after six be all firmly stuck in portable capsule, guarantee the relatively stable of cutting ring and capsule.
Arrive testing laboratory, extract latch, conveniently can take out cutting ring by push-and-pull drawer, guarantee cutting ring maintenance level in fetching process, avoid disturbance.
Drawer two side and cutting ring height and capsule interlayer height completely the same, guarantee that capsule is airtight, ensure soil sample not dehydration in cutting ring.Two side is double-deck, and form label interlayer 2-7, intermediate gaps can insert field label and the shop experiment label of soil sample respectively, convenient mark.Drawer can conveniently take off, and capsule and drawer can wash away by direct water pipe, and it is convenient to clean.
Portable capsule adopts nylon handle 2-4, is fixed on bottom capsule and both sides, as shown in Fig. 2-2.Field operation can be facilitated to carry, and depositing at outer container, and flexible handle can reduce disturbance in field operation process.
Use procedure of the present utility model is as follows:
(1) spy is dug with the stopple coupon that fixedly narrows drilling rod of screwing on;
(2) press down power-assisted fetch earth with jaw type power-assisted is foot-operated, carry drilling tool with on jaw type boost bar;
(3) sample to certain degree of depth, cutting ring is put into narrow stopple coupon fixed groove and bottommost, buckle the stopple coupon that detachably narrows, upper and lower two Shu Jiehuan are tightened;
(4) repeat (2) step jaw type boost bar (riding) to add to press and carry drilling tool and soil sample barrel;
(5) after soil sample barrel proposes, back out Shu Jiehuan, pull down the stopple coupon that detachably narrows, with the soil between fret-saw cutting cutting ring, take out band soil sample cutting ring, by fret-saw the cutting leveling of soil sample top and bottom;
(6) cutting ring (containing soil sample) is put into portable capsule bi-directional push-pull drawer;
(7) drawer is put into portable capsule, place field label;
(8) repeat above work, full 6 of sampling, inserts portable capsule " U " shape latch;
(9) sample complete, assist dismounting drilling rod with jaw type boost bar;
(10) portable capsule is taken back, put into aluminium alloy outer container;
(11) aluminium alloy outer container transports testing laboratory back, takes out latch, releases drawer, holding chamber interior label.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (10)
1. undisturbed device got by the simple and easy probing cutting ring of circuit, it is characterized in that: comprise bundle joint formula uncovered cutting ring soil sampler, with the uncovered cutting ring soil sampler of bundle joint formula with the use of jaw type power assisting device and cutting ring soil sample save set; The described uncovered cutting ring soil sampler of bundle joint formula comprises the stopple coupon that fixedly narrows, install one in the one end of the stopple coupon that fixedly narrows and close cone cylinder, a through hole be connected with the stopple coupon that fixedly narrows is provided with in described closed cone cylinder, and a ball valve is placed in through hole, a coupled hollow drill is set in the end of closed cone cylinder, closed cone cylinder is provided with bleeder vent; Described add to press carry power assisting device and be arranged on the upper of hollow drill.
2. undisturbed device got by the simple and easy probing cutting ring of circuit as claimed in claim 1, it is characterized in that: the described uncovered cutting ring soil sampler of bundle joint formula also comprises the stopple coupon that detachably narrows, and the described stopple coupon that detachably narrows snaps together formation tubular structure with the stopple coupon that fixedly narrows.
3. undisturbed device got by the simple and easy probing cutting ring of circuit as claimed in claim 2, it is characterized in that: the inwall of described detachably narrow stopple coupon and the stopple coupon that fixedly narrows is provided with the groove for placing cutting ring.
4. undisturbed device got by the simple and easy probing cutting ring of circuit as claimed in claim 3, and it is characterized in that: be provided with cutting ring in described groove, the knife edge part of cutting ring is positioned at one end relative with closed cone cylinder.
5. undisturbed device got by the simple and easy probing cutting ring of circuit as claimed in claim 1, it is characterized in that: described cutting ring soil sample save set, comprise an outer container, the inside of described outer container has been separated into multiple space, a portable capsule is placed with in each space, each portable capsule comprises " U " shape latch, in described " U " shape latch, be provided with multiple bi-directional push-pull drawer for placing cutting ring soil sample.
6. undisturbed device got by the simple and easy probing cutting ring of circuit as claimed in claim 5, it is characterized in that: the inside cotton gauze of described outer container is separated into 9 square space with area, places a portable capsule in each square space.
7. undisturbed device got by the simple and easy probing cutting ring of circuit as claimed in claim 5, and it is characterized in that: described drawer, it is identical with the height of cutting ring at the height of vertical direction.
8. undisturbed device got by the simple and easy probing cutting ring of circuit as claimed in claim 5, it is characterized in that: the two side, front and back of described drawer and cutting ring height and capsule interlayer height completely the same; Described each sidewall is double-deck, and intermediate gaps inserts field label and the shop experiment label of soil sample respectively.
9. undisturbed device got by the simple and easy probing cutting ring of circuit as claimed in claim 1, it is characterized in that: described jaw type power assisting device, comprise a left arm and right arm, one end of described left arm is U-shaped, one end of right arm is groove, the groove ends of described right arm is inserted into the U-shaped end interior formation jaw of left arm, and two ends are connected by coupling arrangement; The bottom of the U-shaped end of described left arm and the groove ends of right arm is equipped with pincers tooth.
10. undisturbed device got by the simple and easy probing cutting ring of circuit as claimed in claim 9, it is characterized in that: described coupling arrangement comprises a bolt and latch, and described bolt, through the groove ends of right arm and the U-shaped end of left arm, is fixed by a latch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520211172.3U CN204514643U (en) | 2015-04-09 | 2015-04-09 | Undisturbed device got by the simple and easy probing cutting ring of circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520211172.3U CN204514643U (en) | 2015-04-09 | 2015-04-09 | Undisturbed device got by the simple and easy probing cutting ring of circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204514643U true CN204514643U (en) | 2015-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520211172.3U Expired - Fee Related CN204514643U (en) | 2015-04-09 | 2015-04-09 | Undisturbed device got by the simple and easy probing cutting ring of circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204514643U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729873A (en) * | 2015-04-09 | 2015-06-24 | 山东省交通规划设计院 | Line simple drilling cutting ring undisturbed sample extracting device |
| CN110376017A (en) * | 2019-08-20 | 2019-10-25 | 中国三冶集团有限公司 | A kind of electronic cutting ring sampler and its assemble method |
-
2015
- 2015-04-09 CN CN201520211172.3U patent/CN204514643U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729873A (en) * | 2015-04-09 | 2015-06-24 | 山东省交通规划设计院 | Line simple drilling cutting ring undisturbed sample extracting device |
| CN110376017A (en) * | 2019-08-20 | 2019-10-25 | 中国三冶集团有限公司 | A kind of electronic cutting ring sampler and its assemble method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 250031 Shandong Province Flyover District of Ji'nan city Shanxi Road No. 576. Patentee after: Shandong transportation planning and Design Institute Co.,Ltd. Address before: 250031 Shandong Province Flyover District of Ji'nan city Shanxi Road No. 576. Patentee before: SHANDONG PROVINCIAL COMMUNICATIONS PLANNING AND DESIGN INSTITUTE |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 250031 No. 576 Wushanxi Road, Tianqiao District, Jinan City, Shandong Province Patentee after: Shandong transportation planning and Design Institute Group Co.,Ltd. Address before: 250031 No. 576 Wushanxi Road, Tianqiao District, Jinan City, Shandong Province Patentee before: Shandong transportation planning and Design Institute Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20210409 |
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| CF01 | Termination of patent right due to non-payment of annual fee |