CN205138683U - Borehole stressmeter installs pole - Google Patents

Borehole stressmeter installs pole Download PDF

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Publication number
CN205138683U
CN205138683U CN201520840756.7U CN201520840756U CN205138683U CN 205138683 U CN205138683 U CN 205138683U CN 201520840756 U CN201520840756 U CN 201520840756U CN 205138683 U CN205138683 U CN 205138683U
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CN
China
Prior art keywords
borehole stressmeter
rod
stressmeter
borehole
mounting rod
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.)
Withdrawn - After Issue
Application number
CN201520840756.7U
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Chinese (zh)
Inventor
吴仁伦
王亚飞
苏晓森
钱永鑫
徐东亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China University of Mining and Technology CUMT
China University of Mining and Technology Beijing CUMTB
Original Assignee
China University of Mining and Technology Beijing CUMTB
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China University of Mining and Technology Beijing CUMTB filed Critical China University of Mining and Technology Beijing CUMTB
Priority to CN201520840756.7U priority Critical patent/CN205138683U/en
Application granted granted Critical
Publication of CN205138683U publication Critical patent/CN205138683U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a borehole stressmeter installs pole, including the body of rod and guiding mechanism, the body of rod includes a plurality of sections body of rod units, wherein: the first festival body of rod unit passes through guiding mechanism and borehole stressmeter accordant connection, it is adjacent body of rod unit passes through fixed establishment joint in proper order, guiding mechanism's operation end stretches out minor details the tip of body of rod unit, still include with the calibration line of length scale and with the calibration line matches the angular surveying mechanism of installation, the calibration line with the axis of the body of rod is parallel, and installs the pole and be connected afterwards with borehole stressmeter, the extension line of calibration line passes through borehole stressmeter's pressure measurement piece. In addition, the operational reliability of transmission moment of torsion has been guaranteed in the reliable butt joint of the body of rod unit that the multisection specification is unanimous to and can not break away from with borehole stressmeter because of the push -and -pull that relapses at the propelling movement in -process, provide out the accuracy the higher degree of depth that borehole stressmeter arrived and installation angle.

Description

A kind of borehole stressmeter mounting rod
Technical field
The utility model relates to the stress monitoring research field in colliery, is specifically related to a kind of borehole stressmeter mounting rod.
Background technology
In scientific research in field, colliery and safety monitoring work, in coal and rock, the distribution of stress and situation of change can for stope mine pressing prediction, roadway layout, face timbering design, provide decision-making foundation accurately without work such as coal pillar mining.Borehole stressmeter obtains the distribution of stress and the device of situation of change in coal and rock as a kind of, applies very general.
In scientific research or safety monitoring work, valuable stress data is the stress data of assigned direction and position, as: the initial stress, mining-induced stress etc. have directivity (if support pressure is tangential stress); Roadway layout, coal column stay the stress data established in the work such as width design and tunnel relaxation zone scope mensuration and also need to obtain assigned address.Therefore in the process obtaining stress data, need pressure measurement direction and the position of strict keyhole taseometer.
Because borehole stressmeter is mainly used in underground coal mine, therefore its shortcoming that application ubiquity installation environment is severe, narrow space is inconvenient, because coal rock strength is low, the drillable length of constructing for settling borehole stressmeter is large, holes yielding and occurs that the phenomenons such as collapse hole are comparatively general.When drilling quality can not ensure and drillable length large (more than 10m), assigned address is arrived at for making borehole stressmeter, need repeatedly to rotate in actual installation process, push-and-pull mounting rod, existing mounting rod in installation process once depart from borehole stressmeter, again catch difficulty, and setting angle also changes thereupon.So, be difficult to ensure the accurate of final borehole stressmeter pressure measurement direction and position, cause the data obtained in actual measurement often to occur that mistake even lost efficacy, be unfavorable for scientific research and safety monitoring work.
Utility model content
In view of this, the utility model provides a kind of borehole stressmeter mounting rod, is intended to the setting angle of keyhole taseometer.
The technical solution adopted in the utility model is specially:
A kind of borehole stressmeter mounting rod, comprise the body of rod and adjusting mechanism, the described body of rod comprises some pole body units, wherein:
The described body of rod unit of first joint is mated with borehole stressmeter by described adjusting mechanism and is connected;
Adjacent described body of rod unit is engaged successively by fixed mechanism;
The end of body of rod unit described in most minor details is stretched out in the operating side of described adjusting mechanism;
Also comprise with the calibration line of length scale and the angle measuring mechanism with described calibration line Matching installation, the axis parallel of described calibration line and the described body of rod, and after mounting rod is connected with borehole stressmeter, the extended line of described calibration line is by the pressure measurement block of described borehole stressmeter.
In above-mentioned borehole stressmeter mounting rod, described angle measuring mechanism is for being located at the direction compass of body of rod unit described in most minor details, and described direction compass comprises bearing and gravity drop hammer; Wherein:
Described gravity drop hammer is connected with the bearing outer ring of described bearing; The bearing inner race of described bearing is connected with described calibration line by matching structure, and two portions of described matching component are machined in described bearing inner race and described calibration line respectively, and described bearing outer ring is established circumferentially has angle index.
In above-mentioned borehole stressmeter mounting rod, described adjusting mechanism comprises snap device and releasing mechanism; Wherein:
Described snap device and borehole stressmeter Matching installation, for ensureing the reliable connection of mounting rod and borehole stressmeter in the latched condition;
Described releasing mechanism comprises operating rope and tightening device, and described operating rope is connected with described tightening device, and described operating rope stretches out the end of body of rod unit described in most minor details, and described tightening device is connected with described snap device.
In above-mentioned borehole stressmeter mounting rod, described snap device is specially:
The two ends of the mounting head of the described body of rod unit of first joint are respectively equipped with assembly one, and described assembly one comprises spring two and by the cylindrical pin of described spring two jack-up, described cylindrical pin mates the pin-and-hole inserting borehole stressmeter afterbody undertaking head vertically.
In above-mentioned borehole stressmeter mounting rod, described releasing mechanism is specially:
Be provided with vestibule vertically in the mounting head of the described body of rod unit of first joint, be provided with assembly two in described vestibule, described assembly two comprises the spring one being fixed on described vestibule first end and the column slide block held up by described spring one;
The inner of the straight pin at mounting head two ends is connected to rope body one and rope body two, described rope body one and described rope body two are connected to the first end of described column slide block respectively after runner break-in, second end of described column slide block is connected with operating rope, and described operating rope extends to outside most end pole body unit through the described body of rod unit of some joint hollow structures.
In above-mentioned borehole stressmeter mounting rod, the rigidity of spring one is less than described spring two.
In above-mentioned borehole stressmeter mounting rod, described fixed mechanism comprises axial fixing structure and end face fixed sturcture; Wherein:
Described axial fixing structure is sleeve nut, and the surface near the joint of adjacent stems body unit is provided with the screw thread be meshed with described sleeve nut;
Described end face fixed sturcture is one group of docking otch engaged, and described docking otch is located at the composition surface of adjacent stems body unit respectively.
In above-mentioned borehole stressmeter mounting rod, described in most minor details, body of rod unit is provided with through hole, and described through hole is used for being connected with the bull stick coupling as external piece, by push-and-pull or rotate that described bull stick adjusts borehole stressmeter arrive at the degree of depth or setting angle.
The beneficial effect that the utility model produces is:
Borehole stressmeter mounting rod of the present utility model at propelling movement borehole stressmeter in the process of assigned address, can ensure the compact siro spinning technology of mounting rod and borehole stressmeter in the lockout condition, installs reliable on the one hand; After installation in position, by the disengaging pulling the operating rope stretched out outside most end pole body unit easily can realize borehole stressmeter and mounting rod, workable;
Observe its degree of depth arrived at by calibration line, grasped the setting angle of borehole stressmeter by direction compass, installation accuracy is high; And the structure of mounting rod is simple, assemble and disassemble conveniently, applied widely;
In addition, in order to adapt to the technical solution of the utility model, only need install at existing borehole stressmeter afterbody the undertaking head matched with the installing mechanism of mounting rod of the present utility model additional, improvement cost is low, is easy to promote.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, more completely the utility model can be understood better.Accompanying drawing described herein is used to provide further understanding of the present utility model, and embodiment and explanation thereof, for explaining the utility model, are not formed improper restriction of the present utility model.
Fig. 1 is the assembly structure schematic diagram of a kind of borehole stressmeter mounting rod of the utility model and borehole stressmeter;
Fig. 2-1 is that the master being installed on the adjusting mechanism of first section rob body unit of a kind of borehole stressmeter mounting rod of the utility model looks cross-sectional schematic;
Fig. 2-2 is that cross-sectional schematic is looked on the left side being installed on the adjusting mechanism of first section rob body unit of a kind of borehole stressmeter mounting rod of the utility model;
Fig. 3-1 is the structural representation that a kind of borehole stressmeter mounting rod matches with the utility model borehole stressmeter afterbody accepts head;
Fig. 3-2 is the A-A cut-open view of Fig. 3-1;
Fig. 4-1 is the schematic front view of the fixed mechanism of the body of rod unit butted part of a kind of borehole stressmeter mounting rod of the utility model;
Fig. 4-2 is the cross-sectional schematic of the fixed mechanism of the body of rod unit butted part of a kind of borehole stressmeter mounting rod of the utility model;
Fig. 5-1 is the schematic front view of the direction compass of a kind of borehole stressmeter mounting rod of the utility model;
Fig. 5-2 is that cross-sectional schematic is looked on a left side for the direction compass of a kind of borehole stressmeter mounting rod of the utility model;
Fig. 6 is the Matching installation structural representation of the through hole on the most end pole body unit of a kind of borehole stressmeter mounting rod of bull stick and the utility model.
In figure:
1, sleeve nut 2, body of rod unit 3, calibration line 4, mounting head 5, accept 6, borehole stressmeter 7, pressure measurement block 8, wire rope 9, slide block 10, spring 1, runner 12, spring 2 13, straight pin 14, runner shaft 15, groove 16, pin-and-hole 17, through hole 18, screw thread 19, otch 20, angle index 21, keyway 22, bearing inner race 23, bearing outer ring 24, gravity drop hammer 25, screw 26, bull stick.
Embodiment
Below in conjunction with drawings and Examples, the technical solution of the utility model is described in further detail.
A kind of mounting rod supporting with borehole stressmeter controlling installation direction as shown in Figure 1, comprise the body of rod docked by some pole body units 2, wherein the top of first section rob body unit 2 is connected with borehole stressmeter 6 by mounting head 4, the body of rod is provided with the calibration line 3 with body of rod axis parallel, keep calibration line 3 in alignment when each pole body unit 2 docks, and after ensureing that the body of rod is connected with borehole stressmeter 6, ensure the pressure measurement block 7 of extended line by borehole stressmeter 6 of calibration line 3.
Calibration line 3 with length scale is made up of level and smooth key bar, by the scale in the quantity of body of rod unit 2 that uses and calibration line 3, can draw the degree of depth that the borehole stressmeter of Matching installation arrives at.The setting angle of borehole stressmeter 6 is then by the direction compass display such as shown in Fig. 5-1 and 5-2:
Direction compass comprises deep groove ball bearing and gravity drop hammer 24, and the bearing outer ring 23 of deep groove ball bearing is provided with screw 25 and angle index circumferentially 20, and the gravity drop hammer 24 of Suitable weight is by being connected with bearing outer ring 23 with the bolt that screw 25 mates; The bearing inner race 22 of deep groove ball bearing is then provided with keyway 21, and keyway is provided with the pointer matched with angle index 20, and keyway 21 is adaptive with the key bar of above-mentioned calibration line 3.
During use, be connected with the body of rod by keyway 21 by direction compass, the angle index indicated by pointer at keyway 21 place of bearing inner race 22 is the setting angle of borehole stressmeter 6.Obvious above-mentioned keyway 21 also can exchange with the setting position of key bar, and the matching structure that also can realize corresponding function by other substitutes.
The adjusting mechanism of keyhole taseometer installation site is specifically as shown in Fig. 2-1 and 2-2:
Mounting head 4 is provided with two groups by the straight pin 13 of spring 2 12 jack-up, after mounting head 4 mates the groove 15 inserting borehole stressmeter 6 afterbody undertaking head vertically, namely straight pin 13 is headed into the pin-and-hole 16 (be arranged in the groove 15 of the undertaking head of borehole stressmeter 6 afterbody and pin-and-hole 16 structure specifically as shown in Fig. 3-1 and 3-2) accepting head by spring 2 12, the installation of mounting rod and borehole stressmeter, assembly enters blocking; This snap device ensure that the transmission of driving torque on the one hand, on the other hand, in the process pushing borehole stressmeter 6, mounting rod and borehole stressmeter 6 will be departed from because of push-and-pull repeatedly, ensure that, between borehole stressmeter 6 and mounting rod, mutual rotation can not occur; Further as shown in figure 3-1, the edge of groove 15 is arc-shaped transition, is convenient to the combination between mounting head 4 and undertaking head and disengaging.
Be provided with lumen pore vertically in mounting head, spring 1 is fixed on one end of lumen pore, can be slid axially by the cylindrical slider 9 that spring 1 holds up within the scope of drillable length along the body of rod.The inner (for heading into the outer end of pin-and-hole 16) of each straight pin 13 is connected with the wire rope 8 perpendicular to body of rod axis, the corresponding runner 10 being fixed on the body of rod through runner shaft 14 walked around respectively by two wire rope 8 after being turned to by runner 11, slide block 9 is converged to after runner 10 break-in, tensioned state is kept for making the wire rope 8 in duty, the other end of slide block 9 is also connected with the wire rope 8 for adjusting operation, and this wire rope 8 extends to outside most end pole body unit 2 through the body of rod unit 2 of more piece hollow.Compare to the spring 2 12 for ensureing buckle, the rigidity of spring 1 is less, only for providing the elastic force tightening wire rope 8, is conducive to the stable of physical construction.
Certainly, for runner 11-runner shaft 14 assembly turned to the wire rope of spring 2 12, also can be replaced by other assemblies, as long as can ensure to make mounting rod depart from borehole stressmeter 6 by the tractive of lever piece.
Fixed mechanism between adjacent stems body unit 2 is concrete as shown in Figure 4,
Interface between body of rod unit 2 is the otch 19 that can be engaged docking, and otch 19 is parallel to body of rod axis, and the body of rod surface near otch 19 position is provided with the screw thread 18 be meshed with the sleeve nut 1 as outer connector.Sleeve nut 1 is rotated to connection that the end can realize adjacent stems body unit 2 with fixing, this end face docking and the fixed mechanism axially tightened ensure that and not rotate between body of rod unit 2 and loosen.
Dock each body of rod unit 2 successively, the joint number of connecting rod body unit 2 and the scale of calibration line 3, borehole stressmeter 6 is sent to designated depth, and after judging that the setting angle of mounting rod is correct by direction compass, pull the wire rope 8 extending most end pole body unit 2, drive straight pin 13, make its resistance overcoming spring 2 12 until exit borehole stressmeter 6 to accept pin-and-hole 15 in head, the disengaging of mounting rod and borehole stressmeter 6 can be realized.
In addition, along the direction perpendicular with body of rod axis, near the end of the periproct body of rod unit 2 of the body of rod, be provided with through hole 17, specifically as shown in Figure 6, by bull stick 26 is injected through hole, be convenient to rotate mounting rod, the operation such as push-and-pull.
In engineering reality, as: for monitoring the support pressure situation of change in coal-face front, hole at assigned address construction level according to monitoring scheme, on this basis, by installation direction and the position of mounting rod keyhole taseometer 6 of the present utility model, and the concrete methods of realizing that mounting rod accesses and exits is:
The mounting head 4 on first section rob body unit 2 top is mated and inserts the groove 15 that borehole stressmeter 6 afterbody accepts head, namely straight pin 13 in adjusting mechanism is headed into pin-and-hole 16 by spring 2 12, device enters blocking, and first section rob body unit 2 and borehole stressmeter 6 are pushed boring;
For often organizing adjacent body of rod unit 2, by the otch docking of end face and by axial for sleeve nut 1 fixed form of tightening, successively some pole body units 2 are assembled into the body of rod with certain length, simultaneously in the process of docking, the calibration line 3 on each body of rod unit 2 is kept to be straight line, and while extension bar body unit, record the body of rod number of use or body of rod unit 2 is numbered.Often dock a joint, push into boring one joint;
Afterwards bull stick 26 is inserted the through hole 17 on most end pole body unit 2, make borehole stressmeter 6 deeply boring by rotation, push-and-pull operation.Bull stick 26 plug and play, can adjust the body of rod in installation process at any time;
Installation direction compass on most end pole body unit 2, is bolted on the screw on the bearing outer ring 23 of deep groove ball bearing by gravity drop hammer 24, and the bearing inner race 22 of deep groove ball bearing is installed on the key bar of calibration line 3 by keyway;
Direction compass is pushed into drilling orifice, and compass is equivalent to vernier herein, reads the built-in length of most end pole body unit 2 from calibration line 3, can draw the degree of depth residing for borehole stressmeter in conjunction with using the number of body of rod unit.According to the angle value that direction compass reads, bull stick is inserted the through hole 17 on most end pole body unit 2, by rotating the setting angle of adjustment borehole stressmeter to design angle;
After borehole stressmeter is in place, pull the wire rope 8 stretched out outside most end pole body unit 2, make the straight pin 13 of mounting rod exit the pin-and-hole 16 of borehole stressmeter, namely complete the disengaging of mounting rod and borehole stressmeter;
Extract mounting rod out boring after disengaging, take off bull stick and direction compass.Often extract a pole body unit out, turnbarrel nut 1 dismantles a pole body unit, until mounting rod is all dismantled complete.
Can find out, borehole stressmeter mounting rod of the present utility model combines reliably in the lockout condition, after borehole stressmeter 6 is in place, mounting rod to exit motion action simple, and the degree of depth that arrives at of borehole stressmeter and setting angle is convenient observes.
Below explain embodiment of the present utility model by reference to the accompanying drawings, accompanying drawing is herein used to provide further understanding of the present utility model.Obviously; the foregoing is only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; any that can expect easily to one skilled in the art, do not depart from change of the present utility model or replacement in fact, be also all included within protection domain of the present utility model.

Claims (8)

1. a borehole stressmeter mounting rod, is characterized in that, comprises the body of rod and adjusting mechanism, and the described body of rod comprises some pole body units, wherein:
The described body of rod unit of first joint is mated with borehole stressmeter by described adjusting mechanism and is connected;
Adjacent described body of rod unit is engaged successively by fixed mechanism;
The end of body of rod unit described in most minor details is stretched out in the operating side of described adjusting mechanism;
Also comprise with the calibration line of length scale and the angle measuring mechanism with described calibration line Matching installation, the axis parallel of described calibration line and the described body of rod, and after mounting rod is connected with borehole stressmeter, the extended line of described calibration line is by the pressure measurement block of described borehole stressmeter.
2. borehole stressmeter mounting rod according to claim 1, is characterized in that, described angle measuring mechanism is for being located at the direction compass of body of rod unit described in most minor details, and described direction compass comprises bearing and gravity drop hammer; Wherein:
Described gravity drop hammer is connected with the bearing outer ring of described bearing; The bearing inner race of described bearing is connected with described calibration line by matching structure, and two portions of described matching component are machined in described bearing inner race and described calibration line respectively, and described bearing outer ring circumferentially has angle index.
3. borehole stressmeter mounting rod according to claim 1, is characterized in that, described adjusting mechanism comprises snap device and releasing mechanism; Wherein:
Described snap device and borehole stressmeter Matching installation, for ensureing the reliable connection of mounting rod and borehole stressmeter in the latched condition;
Described releasing mechanism comprises operating rope and tightening device, and described operating rope is connected with described tightening device, and described operating rope stretches out the end of body of rod unit described in most minor details, and described tightening device is connected with described snap device.
4. borehole stressmeter mounting rod according to claim 3, is characterized in that, described snap device is specially:
The two ends of the mounting head of the described body of rod unit of first joint are respectively equipped with assembly one, and described assembly one comprises spring two and by the cylindrical pin of described spring two jack-up, described cylindrical pin mates the pin-and-hole inserting borehole stressmeter afterbody undertaking head vertically.
5. borehole stressmeter mounting rod according to claim 4, is characterized in that, described releasing mechanism is specially:
Be provided with vestibule vertically in the mounting head of the described body of rod unit of first joint, be provided with assembly two in described vestibule, described assembly two comprises the spring one being fixed on described vestibule first end and the column slide block held up by described spring one;
The inner of the straight pin at mounting head two ends is connected to rope body one and rope body two, described rope body one and described rope body two are connected to the first end of described column slide block respectively after runner break-in, second end of described column slide block is connected with operating rope, and described operating rope extends to outside most end pole body unit through the described body of rod unit of some joint hollow structures.
6. borehole stressmeter mounting rod according to claim 5, is characterized in that, the rigidity of described spring one is less than described spring two.
7. borehole stressmeter mounting rod according to claim 1, is characterized in that, described fixed mechanism comprises axial fixing structure and end face fixed sturcture; Wherein:
Described axial fixing structure is sleeve nut, and the surface near the joint of adjacent stems body unit is provided with the screw thread be meshed with described sleeve nut;
Described end face fixed sturcture is the docking otch of one group of occlusion, and described docking otch is located at the composition surface of adjacent stems body unit respectively.
8. borehole stressmeter mounting rod according to claim 1, it is characterized in that, described in most minor details, body of rod unit is provided with through hole, described through hole is used for being connected with the bull stick coupling as external piece, by push-and-pull or rotate that described bull stick adjusts borehole stressmeter arrive at the degree of depth or setting angle.
CN201520840756.7U 2015-10-27 2015-10-27 Borehole stressmeter installs pole Withdrawn - After Issue CN205138683U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520840756.7U CN205138683U (en) 2015-10-27 2015-10-27 Borehole stressmeter installs pole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520840756.7U CN205138683U (en) 2015-10-27 2015-10-27 Borehole stressmeter installs pole

Publications (1)

Publication Number Publication Date
CN205138683U true CN205138683U (en) 2016-04-06

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CN201520840756.7U Withdrawn - After Issue CN205138683U (en) 2015-10-27 2015-10-27 Borehole stressmeter installs pole

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105241583A (en) * 2015-10-27 2016-01-13 中国矿业大学(北京) Borehole stressmeter installation rod and installation method thereof
CN111810127A (en) * 2020-07-06 2020-10-23 北京安科兴业科技股份有限公司 Laser positioning drilling stress meter mounting rod and mounting method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105241583A (en) * 2015-10-27 2016-01-13 中国矿业大学(北京) Borehole stressmeter installation rod and installation method thereof
CN105241583B (en) * 2015-10-27 2017-11-10 中国矿业大学(北京) A kind of borehole stressmeter mounting rod and its installation method
CN111810127A (en) * 2020-07-06 2020-10-23 北京安科兴业科技股份有限公司 Laser positioning drilling stress meter mounting rod and mounting method thereof
CN111810127B (en) * 2020-07-06 2023-11-24 北京安科兴业科技股份有限公司 Laser positioning drilling stress meter mounting rod and mounting method thereof

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Granted publication date: 20160406

Effective date of abandoning: 20171110

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Granted publication date: 20160406

Effective date of abandoning: 20171110