CN107024157A - A kind of blast charging structure and application method - Google Patents

A kind of blast charging structure and application method Download PDF

Info

Publication number
CN107024157A
CN107024157A CN201710361471.9A CN201710361471A CN107024157A CN 107024157 A CN107024157 A CN 107024157A CN 201710361471 A CN201710361471 A CN 201710361471A CN 107024157 A CN107024157 A CN 107024157A
Authority
CN
China
Prior art keywords
chassis
main structure
structure body
diameter
blasthole
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.)
Pending
Application number
CN201710361471.9A
Other languages
Chinese (zh)
Inventor
张义平
�田�浩
严鸿海
周俊
王建楠
汪帅文
杨静
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.)
Guizhou University
Original Assignee
Guizhou University
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 Guizhou University filed Critical Guizhou University
Priority to CN201710361471.9A priority Critical patent/CN107024157A/en
Publication of CN107024157A publication Critical patent/CN107024157A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42DBLASTING
    • F42D1/00Blasting methods or apparatus, e.g. loading or tamping
    • F42D1/08Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42DBLASTING
    • F42D3/00Particular applications of blasting techniques
    • F42D3/04Particular applications of blasting techniques for rock blasting

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Earth Drilling (AREA)

Abstract

The invention discloses a kind of blast charging structure and application method, it includes top cover(1)And chassis(3), in top cover(1)And chassis(2)Between be provided with main structure body(2), the main structure body(2)For double circular ring structures, powder stick(7)It is placed on main structure body(2)Interior annular in;The present invention solves the Long-hole Bench Blasting that prior art is changed greatly for burden, simply with diameter powder stick charging means, easily causes step and stays bank, some rock texture overcrushings cause explosive charge energy dissipation.The position of continuous charging mode powder column is relatively low, and bulk is easily produced in the non-charge segment of import, and the Energy distribution of explosive is uneven;And the technical problems such as serious deficiency are there are under the conditions of Discontinuous charge, infiltration etc..

Description

A kind of blast charging structure and application method
Technical field
The invention belongs to blasting technique field, more particularly to a kind of blast charging structure and application method.
Background technology
In the bench blasting of opencut, the need for yield, pit is all under horizontal plane, and infiltration is in blasthole Very common thing.Explosive can not be effectively placed in the middle in blasthole, and narrow space is closed in hole, and detonation wave and transmitted wave be not after explosion Can effectively it be superimposed so that energy is acted directly on rock mass closely, rock mass reaches crushing and causes a large amount of energy dissipations, Effective utility of laser power is low, it is impossible to reach preferable demolition effect.The Long-hole Bench Blasting changed greatly for burden, simply With diameter powder stick charging means, easily cause step and stay bank, some rock texture overcrushings cause explosive charge energy dissipation.Even The position of continuous charging means powder column is relatively low, easily produces bulk in the non-charge segment of import, the Energy distribution of explosive is uneven.
The explosive method placed in the middle of prior art is that bamboo chip is bundled on powder stick, then careful slow feeding blasthole, operation It is numerous and diverse, waste time and energy, and there are under the conditions of Discontinuous charge, infiltration etc. serious deficiency, therefore change in burden and compare In larger aqueous Long-hole Bench Blasting, mining explosive post waterproof need to be made, rationally placed in the middle, the diameter of powder column and position are rationally divided Cloth, it is rational to reach that expected demolition effect is urgent problem to be solved using blasting energy.So, it is badly in need of a kind of simple and efficient Convenient blast charging constructional device and application method, make its mechanism of action and effect solve above-mentioned problem.
The content of the invention
The technical problem to be solved in the present invention:A kind of blast charging structure and application method are provided, to solve prior art The Long-hole Bench Blasting changed greatly for burden, simply with diameter powder stick charging means, easily causes step and stays bank, have Rock texture overcrushing causes explosive charge energy dissipation.The position of continuous charging mode powder column is relatively low, in the non-powder charge of import Part easily produces bulk, and the Energy distribution of explosive is uneven;And there are under the conditions of Discontinuous charge, infiltration etc. serious The technical problems such as deficiency.
Technical solution of the present invention:
A kind of blast charging structure, it includes top cover and chassis, main structure body, the structure is provided between top cover and chassis Main body is double circular ring structures, and powder stick is placed in the interior annular of main structure body.
Top cover and chassis are connected with main structure body by screw thread or lock;Junction is sealed with waterproof material;It is anti-to play The effect of water.
Connected between at least one section, each section of the quantity of the main structure body by screw thread or lock, junction waterproof Material is sealed;One plays a part of waterproof.
Fixed between the outer toroid and interior annular of main structure body by vertical baffle;The diameter of outer toroid is smaller than blasthole diameter 2-3 millimeters;1-2 millimeters bigger than the diameter of powder stick of the diameter of interior annular is 0;Interior annular it is a diameter of 0 when, as airspace.
Chassis is cone structure;Be fixed with rope on chassis, chassis is provided with screw thread, rope bolt on screw thread, rope The other end is fixed on outside blasthole.
Circular hole is provided with top cover, primacord stretches out blasthole by circular hole;Rubber ring is provided with circular hole.
Top cover and main structure body are PVC materials;Chassis is steel.
A kind of application method of blast charging structure, it includes:
Step 1, according to powder charge scheme, determine the internal diameter diameter of each segment structure main body;
Step 2, tie down rope on the screw thread on chassis, the other end of rope is wrapped in the cylindrical wooden that length is more than blasthole diameter On rod or iron staff;And cylindrical waddy or iron staff are located at outside blasthole;
Step 3, chassis is connected with first paragraph main structure body, and be put into blasthole;
Step 4, when reaching blasthole mouthful on the top of first paragraph main structure body, by the top of first paragraph main structure body and second segment knot The end connection of structure main body;And be put into powder stick in the interior annular of main structure body and draw primacord;
Step 5, repeat step 4, the most top of main structure body and top cover at last(1)Connection.
In discontinuous coupling charging, with the main structure body of interior annular a diameter of 0.
Beneficial effects of the present invention:
Continuous coupled powder charge and discontinuous coupling charging are present invention can be suitably applied to, while this charge constitution is can sealedly to play good Good waterproof action;Double circular ring structures can be effectively placed in the middle, reasonably utilizes blasting energy;Can according to complicated geological conditions and Powder charge scheme rationally, easily carries out the powder charge at different-diameter and interval to different parts, makes the diameter of powder column and position reasonable Distribution.
The present invention is simple in construction, easy to use, can be completed by independent human users, harsher in blasting environment condition In the case of, it can not influenceed as efficient means for loading and method by electric power and power, it is labor-saving while can more save Explosive consumption and production cost are saved, while improving demolition effect.
Three parts of the present invention are removable sections, are easy to assemble, operate, carry and transport.
The present invention solves the Long-hole Bench Blasting that prior art is changed greatly for burden, simply with diameter powder stick Charging means, easily cause step and stay bank, some rock texture overcrushings cause explosive charge energy dissipation.Continuous charging mode The position of powder column is relatively low, and bulk is easily produced in the non-charge segment of import, and the Energy distribution of explosive is uneven;And discontinuously filling The technical problems such as serious deficiency are there are under the conditions of medicine, infiltration etc..
Brief description of the drawings
Fig. 1 is schematic structural view of the invention;
Fig. 2 is top cover and chassis structure schematic diagram of the invention;
Fig. 3 is main structure body structural representation of the present invention;
Fig. 4 is schematic top plan view when main structure body inner circle ring diameter of the present invention is more than zero;
Fig. 5 is schematic top plan view when main structure body inner circle ring diameter of the present invention is equal to zero.
Embodiment
A kind of blast charging structure, it includes top cover 1 and chassis 3, main structure body is provided between top cover 1 and chassis 3 2, the main structure body 2 is double circular ring structures, and powder stick 7 is placed in the interior annular of main structure body 2.
Top cover 1 and chassis 3 are connected with main structure body 2 by screw thread or lock;Junction is sealed with waterproof material.
Connected between at least one section, each section of the quantity of the main structure body 2 by screw thread or lock, junction waterproof Material is sealed.
Fixed between the outer toroid 4 and interior annular 6 of main structure body 2 by vertical baffle 8;The diameter of outer toroid 4 compares blasthole Diameter is small 2-3 millimeters;1-2 millimeters bigger than the diameter of powder stick 7 of the diameter of interior annular 6 is 0;During interior annular 6 a diameter of 0, it is Airspace 9.
Chassis 3 is cone structure;Be fixed with rope 11 on chassis 3, chassis 3 is provided with screw thread, the bolt of rope 11 on screw thread, The other end of rope 11 is fixed on outside blasthole.
Circular hole is provided with top cover 1, primacord 10 stretches out blasthole 5 by circular hole.
Top cover 1 and main structure body 2 are PVC materials;Chassis 2 is steel.
A kind of application method of blast charging structure, it includes:
Step 1, according to powder charge scheme, determine the internal diameter diameter of each segment structure main body 2;
Step 2, tie down rope 11 on the screw thread on chassis, the other end of rope 11 is wrapped in the cylinder that length is more than blasthole diameter On shape waddy or iron staff;And cylindrical waddy or iron staff are located at outside blasthole;
Step 3, chassis is connected with first paragraph main structure body, and be put into blasthole;
Step 4, when reaching blasthole mouthful on the top of first paragraph main structure body, by the top of first paragraph main structure body and second segment knot The end connection of structure main body;And be put into powder stick in the interior annular of main structure body and draw primacord;
Step 5, repeat step 4, most the top of main structure body is connected with top cover 1 at last.
In discontinuous coupling charging, with the main structure body of interior annular a diameter of 0;Separate powder stick, shape with airspace 9 Into discontinuous coupling charging.
It is usual to use vertical hole or have certain inclination angle in burden change than in larger aqueous Long-hole Bench Blasting The hole knockout of degree.Exemplified by the way of discontinuous different-diameter powder stick powder charge:1. determined according to blasting scheme per hole explosive payload And charge constitution, different length and the powder stick of diameter that different depth is placed, double circular ring structures and interior annular with different length Diameter be adapted, using the position at interval from interior annular a diameter of zero, airspace can be directly connected to, other materials Matter interval can be filled in vertical baffle, and powder stick is ready in order, tie down cord on 2. chassis screw threads, cord it is another End is wrapped in length more than on the cylindrical waddy or iron staff of blasthole diameter.3. chassis is put into blasthole, the wooden stick of cord is wound It is placed on outside blasthole, is slammed by people or other devices control the decentralization length of cord, the double annulus of upper first segment are connected by buckle structure Main structure body, is put into powder stick in interior annular and draws primacord.4. cord is transferred to appropriate location, the double annulus knots of connection second section Structure, is put into powder stick in interior annular and draws primacord.5. circulate above-mentioned steps, until connection upper top cover and primacord from top cover Exported in rubber ring in circular hole.6. it is filled stemming.
Operation principle
The present apparatus can simply and easily realize variable diameters by double circular ring structures from different inner diameters size and different length The mode of discontinuous coupling charging.Also double circular ring structures of inner circle a diameter of zero are can select when carrying out the interval of unlike material, Filled in vertical baffle.The present apparatus uses tight buckle structure simultaneously, and good sealing effect can play good waterproof Property;Double circular ring structures can be effectively placed in the middle, reasonably utilizes blasting energy;There are the screw thread that can be used to bolt cord, chassis on chassis Material is rigid material, and the buoyancy of water can be overcome in the blasthole for have water and makes device sinking bottom, by the slow decentralization of cord, Connection of the controllable device per nodule structure, it is simple and convenient, device is transferred controllable and avoiding device damage.Can be according to complexity Geological conditions and powder charge scheme rationally, easily carry out the powder charge at different-diameter and interval to different parts, make the diameter of powder column With position reasonable layout, demolition effect is significantly improved while saving explosive consumption, use manpower and material resources sparingly, reduce production cost.

Claims (9)

1. a kind of blast charging structure, it includes top cover(1)And chassis(3), it is characterised in that:In top cover(1)And chassis(3)It Between be provided with main structure body(2), the main structure body(2)For double circular ring structures, powder stick(7)It is placed on main structure body(2)It is interior In annulus.
2. a kind of blast charging structure according to claim 1, it is characterised in that:Top cover(1)And chassis(3)With structure master Body(2)Pass through screw thread or lock connection;Junction is sealed with waterproof material.
3. a kind of blast charging structure according to claim 1, it is characterised in that:The main structure body(2)Quantity extremely Connected between few one section, each section by screw thread or lock, junction is sealed with waterproof material.
4. a kind of blast charging structure according to claim 1, it is characterised in that:Main structure body(2)Outer toroid(4)With Interior annular(6)Between pass through vertical baffle(8)It is fixed;Outer toroid(4)Diameter it is smaller than blasthole diameter 2-3 millimeters;Interior annular(6) Diameter compare powder stick(7)Big 1-2 millimeters of diameter or for 0;Interior annular(6)When a diameter of 0, as airspace(9).
5. a kind of blast charging structure according to claim 1, it is characterised in that:Chassis(3)For cone structure;Chassis (3)On be fixed with rope(11), chassis(3)It is provided with screw thread, rope(11)Bolt is on screw thread, rope(11)The other end fix Outside blasthole.
6. a kind of blast charging structure according to claim 1, it is characterised in that:Top cover(1)On be provided with circular hole, primacord (10)Blasthole is stretched out by circular hole(5);Rubber ring is provided with circular hole.
7. a kind of blast charging structure according to claim 1, it is characterised in that:Top cover(1)And main structure body(2)For PVC materials;Chassis(2)For steel.
8. a kind of application method of blast charging structure, it includes:
Step 1, according to powder charge scheme, determine each segment structure main body(2)Internal diameter diameter;
Step 2, on the screw thread on chassis tie down rope(11), rope(11)The other end be wrapped in length more than blasthole diameter On cylindrical waddy or iron staff;And cylindrical waddy or iron staff are located at outside blasthole;
Step 3, chassis is connected with first paragraph main structure body, and be put into blasthole;
Step 4, when reaching blasthole mouthful on the top of first paragraph main structure body, by the top of first paragraph main structure body and second segment knot The end connection of structure main body;And be put into powder stick in the interior annular of main structure body and draw primacord;
Step 5, repeat step 4, the most top of main structure body and top cover at last(1)Connection.
9. a kind of application method of blast charging structure according to claim 8, it is characterised in that:In discontinuous coupling dress During medicine, with the main structure body of interior annular a diameter of 0.
CN201710361471.9A 2017-05-22 2017-05-22 A kind of blast charging structure and application method Pending CN107024157A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710361471.9A CN107024157A (en) 2017-05-22 2017-05-22 A kind of blast charging structure and application method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710361471.9A CN107024157A (en) 2017-05-22 2017-05-22 A kind of blast charging structure and application method

Publications (1)

Publication Number Publication Date
CN107024157A true CN107024157A (en) 2017-08-08

Family

ID=59528818

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710361471.9A Pending CN107024157A (en) 2017-05-22 2017-05-22 A kind of blast charging structure and application method

Country Status (1)

Country Link
CN (1) CN107024157A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107388911A (en) * 2017-08-31 2017-11-24 中国电建集团成都勘测设计研究院有限公司 Blasting engineering underground borehole blasting device
CN107664466A (en) * 2017-11-06 2018-02-06 宿州云宏建设安装有限公司 A kind of spherical blasthole spacer delivery device
CN107726934A (en) * 2017-11-06 2018-02-23 宿州云宏建设安装有限公司 A kind of blasting engineering blasthole spaced loading device
CN107957223A (en) * 2017-11-22 2018-04-24 贵州新联爆破工程集团有限公司 A kind of presplit blasting cumulative decoupling charge structure
CN108917507A (en) * 2018-07-06 2018-11-30 安徽理工大学 A kind of variable diameters are radially uniform not to couple continuous charging structure and its loading method
CN109341452A (en) * 2018-11-30 2019-02-15 中国电建集团成都勘测设计研究院有限公司 Deep hole blasting powder charge airspace device
CN111895871A (en) * 2020-08-20 2020-11-06 阳泉煤业(集团)有限责任公司 Medium-depth blast hole charging device and method
CN112414238A (en) * 2020-11-13 2021-02-26 天津矿山工程有限公司 Mine blasting structure and blasting method thereof

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2422616Y (en) * 2000-04-10 2001-03-07 张建勋 Explosive-feeding processing device for blasting foundation
CN101363701A (en) * 2008-09-12 2009-02-11 太原理工大学 Double-medium decoupling fracture damage blasting control method and auget
CN102322772A (en) * 2011-09-19 2012-01-18 鞍钢集团矿业公司 Pre-splitting blasting hole cartridge centered limiting device
CN103017623A (en) * 2012-12-19 2013-04-03 武汉大学 Air spacing device and use method of air spacing device
CN203586967U (en) * 2013-11-20 2014-05-07 福建省民爆化工股份有限公司 Large-aperture deep hole blasting L-type explosive charging device
CN105571417A (en) * 2015-12-28 2016-05-11 浙江科技学院 Water-air combined medium non-coupled rapid explosive charging device for tunnel extra-large cross section deep-hole rock blasting fragmentation
CN205537377U (en) * 2016-01-12 2016-08-31 武汉理工大学 A manual charging rope for open -air well deep hole blasting
CN106225614A (en) * 2016-08-22 2016-12-14 叶建军 Umbrella shape screens hanger and utilize the umbrella shape screens hanger method to blast hole projectile filling
CN205919746U (en) * 2016-08-08 2017-02-01 鞍钢集团矿业有限公司 Not coupling of variable diameter presplitting charging means
CN106643360A (en) * 2016-12-05 2017-05-10 西南交通大学 Non-coupling charging device for blasting underground deep-hole and boulder

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2422616Y (en) * 2000-04-10 2001-03-07 张建勋 Explosive-feeding processing device for blasting foundation
CN101363701A (en) * 2008-09-12 2009-02-11 太原理工大学 Double-medium decoupling fracture damage blasting control method and auget
CN102322772A (en) * 2011-09-19 2012-01-18 鞍钢集团矿业公司 Pre-splitting blasting hole cartridge centered limiting device
CN103017623A (en) * 2012-12-19 2013-04-03 武汉大学 Air spacing device and use method of air spacing device
CN203586967U (en) * 2013-11-20 2014-05-07 福建省民爆化工股份有限公司 Large-aperture deep hole blasting L-type explosive charging device
CN105571417A (en) * 2015-12-28 2016-05-11 浙江科技学院 Water-air combined medium non-coupled rapid explosive charging device for tunnel extra-large cross section deep-hole rock blasting fragmentation
CN205537377U (en) * 2016-01-12 2016-08-31 武汉理工大学 A manual charging rope for open -air well deep hole blasting
CN205919746U (en) * 2016-08-08 2017-02-01 鞍钢集团矿业有限公司 Not coupling of variable diameter presplitting charging means
CN106225614A (en) * 2016-08-22 2016-12-14 叶建军 Umbrella shape screens hanger and utilize the umbrella shape screens hanger method to blast hole projectile filling
CN106643360A (en) * 2016-12-05 2017-05-10 西南交通大学 Non-coupling charging device for blasting underground deep-hole and boulder

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107388911A (en) * 2017-08-31 2017-11-24 中国电建集团成都勘测设计研究院有限公司 Blasting engineering underground borehole blasting device
CN107388911B (en) * 2017-08-31 2023-05-16 中国电建集团成都勘测设计研究院有限公司 Air-spaced explosive loading device for blasting engineering
CN107726934B (en) * 2017-11-06 2019-07-26 北京中大爆破工程有限公司 A kind of blasting engineering blasthole spaced loading device
CN107664466A (en) * 2017-11-06 2018-02-06 宿州云宏建设安装有限公司 A kind of spherical blasthole spacer delivery device
CN107726934A (en) * 2017-11-06 2018-02-23 宿州云宏建设安装有限公司 A kind of blasting engineering blasthole spaced loading device
CN107664466B (en) * 2017-11-06 2019-08-20 绍兴市寅川软件开发有限公司 A kind of spherical shape blasthole spacer delivery device
CN107957223A (en) * 2017-11-22 2018-04-24 贵州新联爆破工程集团有限公司 A kind of presplit blasting cumulative decoupling charge structure
CN107957223B (en) * 2017-11-22 2023-09-19 保利新联爆破工程集团有限公司 Energy-gathering uncoupled charging structure for presplitting blasting
CN108917507A (en) * 2018-07-06 2018-11-30 安徽理工大学 A kind of variable diameters are radially uniform not to couple continuous charging structure and its loading method
CN109341452A (en) * 2018-11-30 2019-02-15 中国电建集团成都勘测设计研究院有限公司 Deep hole blasting powder charge airspace device
CN109341452B (en) * 2018-11-30 2023-10-03 中国电建集团成都勘测设计研究院有限公司 Deep hole blasting charge air spacer
CN111895871A (en) * 2020-08-20 2020-11-06 阳泉煤业(集团)有限责任公司 Medium-depth blast hole charging device and method
CN112414238A (en) * 2020-11-13 2021-02-26 天津矿山工程有限公司 Mine blasting structure and blasting method thereof
CN112414238B (en) * 2020-11-13 2022-09-27 天津矿山工程有限公司 Mine blasting structure and blasting method thereof

Similar Documents

Publication Publication Date Title
CN107024157A (en) A kind of blast charging structure and application method
CN208720920U (en) A kind of blasting engineering means for loading
CN102748038A (en) Full-recovery shield tunnel enter and exit water stop device
RU131146U1 (en) UNIVERSAL BAG-SHAPED DISPOSABLE CHARGES OF EXPLOSIVE SUBSTANCE IN THE HOLE OF A WELL
CN103017623A (en) Air spacing device and use method of air spacing device
CN201292852Y (en) Coal mine tunnel structure
CN109506533A (en) Airspace device for deep hole blasting powder charge
CN208012464U (en) A kind of Uncoincided charge explosive cartridge
CN209310653U (en) Deep hole blasting powder charge airspace device
CN104278998B (en) For the both-end anchoring type anchor pole of roadway surrounding rock
CN207832048U (en) A kind of blast charging structure
CN206772148U (en) A kind of deep hole blasting device
CN204175332U (en) A kind of multi-layer airbag bag for coal mine gob filling
CN105674821B (en) A kind of explosion air-spacer
CN107631670A (en) A kind of means for loading and its application method suitable for Underground Engineering Blasting
CN208059708U (en) Blasting hole with water powder charge auxiliary device
CN203729296U (en) Explosive-type hollow pointed pile
CN209310652U (en) Airspace device for deep hole blasting powder charge
CN209672967U (en) Multiple-row blasting spacer
CN204689155U (en) Concrete waste material reclaims transferring device
CN109341452B (en) Deep hole blasting charge air spacer
CN102733621A (en) Blasting demolition method of buildings with hollow wall body and brick-concrete structure
CN208936888U (en) A kind of simple tamponade device of horizontal blasthole
CN203742021U (en) Novel frame wall structure with door opening or window opening
GB1026094A (en) Method and apparatus for forming piles and buried continuous walls

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20170808

RJ01 Rejection of invention patent application after publication